光子美容仪

天线

Clamping mechanism in circular pipe

The utility model discloses a round pipe inner clamping mechanism which comprises a supporting plate and a through hole formed in the middle of the supporting plate, a plurality of sizing sleeves are installed on one side of the supporting plate through installation screws and gaskets, a plurality of telescopic air cylinders are fixed to the other side of the supporting plate through bolts, and a clamping jaw is installed at the output end of any telescopic air cylinder through set screws. The flexible round pipe clamping device has the advantages of being simple in structure, good in clamping effect, good in applicability, good in using effect and the like, and has high practical value and popularization value in the technical field of flexible round pipe clamping.

Primer group for quantitatively detecting in-vitro induced differentiation of stem cells into fat cells

The invention provides a primer group for quantitatively detecting fat cells induced and differentiated from stem cells in vitro. The invention discloses a primer group for quantitatively detecting fat cells induced and differentiated into stem cells in vitro. The primer group comprises a forward amplification primer, a reverse amplification primer and a primer sequence of a reference gene GAPDH, the invention further provides a primer group for quantitatively detecting the in-vitro induced differentiation of the stem cells into the fat cells, the primer group comprises a forward amplification product and a reverse amplification product, the nucleotide sequence table of the primer group is shown as SEQ ID NO: 1 or SEQ ID NO: 2, in order to improve the detection stability, the invention further provides a reference gene forward primer and a reverse primer, the nucleotide sequence table of the reference gene forward primer and the reverse primer is shown as SEQ ID NO: 3 or SEQ ID NO: 4, and ...

REAR FENDER RAIN GUTTER REINFORCED STRUCTURE AND AUTOMOBILE

A rear fender rain gutter reinforced structure and an automobile. The rear fender rain gutter reinforced structure comprises a rear fender rain gutter (1) connected to a side panel assembly (2); the rear fender rain gutter (1) comprises a support lining (1-3), a rain gutter support plate (1-1), and a support reinforcing rib plate (1-2); the rain gutter support plate (1-1) is connected to the side panel assembly (2); the support reinforcing rib plate (1-2) is provided below the rain gutter support plate (1-1), and a cavity is formed between the support reinforcing rib plate (1-2) and the rain gutter support plate (1-1); the support lining (1-3) is embedded into the cavity, and the shape and size of the support lining (1-3) are adapted to the shape and size of the cavity. By embedding a support lining into a cavity between a support reinforcing rib plate and a rain gutter support plate, the overall strength of a rear fender rain gutter is effectively enhanced, and the torsional rigidity and ...

TEMPERATURE SENSOR INTEGRATED IN RFID LABEL

Provided is a temperature sensor integrated in an RFID label, comprising a temperature control oscillator, a numerical control oscillator, and a phase detector; the output terminal of the temperature control oscillator is connected to the input terminal of the phase detector; the output terminal of the numerical control oscillator is connected to the other input terminal of the phase detector; the digital output terminal of the phase detector is connected to the input terminal of the numerical control oscillator; the temperature sensor converts temperature change to frequency change, converting a digital signal within a frequency domain and avoiding the use of an ADC having a very high power consumption; an all-digital architecture is employed, the configuration of the circuit is simple, and good linearity is maintained between input and output, and the degree of linearity is high; the invention can be operated at an ultra-low power supply voltage approaching a process threshold voltage ...

健身云梯助力设备

麻醉机

光子美容仪

Highly-integrated full-automatic feeding and discharging high-speed sorting machine for SMD lamp beads and working process thereof

The invention discloses a highly-integrated full-automatic feeding and discharging high-speed sorting machine for SMD (Surface Mount Device) lamp beads and a working process of the highly-integrated full-automatic feeding and discharging high-speed sorting machine for the SMD lamp beads, the highly-integrated full-automatic feeding and discharging high-speed sorting machine comprises an upper rack and a lower rack, the sorting center module comprises a white card testing mechanism, a gray card testing mechanism, a feeding mechanism, a first crystal ring transverse moving mechanism, a crystal ring workbench, a receiving mechanism, a second crystal ring transverse moving mechanism, a lamp bead taking and placing mechanism, a straight vibration rail mechanism, a lamp bead appearance detecting mechanism and a lamp bead positioning mechanism. According to the invention, qualified lamp beads are recovered in a crystal ring material box through full-automatic feeding, white card and gray card ...

Flexible vacuum hose for airplane and assembly of flexible vacuum hose

The invention provides a flexible vacuum hose for an airplane and an assembly of the flexible vacuum hose. The vacuum hose comprises a five-layer structure, namely an antistatic inner layer (1), a first inner layer (2) covering the outer part of the inner layer (1), a middle layer (3) covering the outer part of the first inner layer (2), a bonding layer (4) covering the outer part of the middle layer (3), and an outer layer (5) covering the outer part of the bonding layer (4). The vacuum hose provided by the invention has good pressure resistance, heat resistance and medium resistance.

LIQUID ANTI-ROLLING, POSITIONED FILLING AND CIRCULATING APPARATUS FOR LIQUEFIED NATURAL GAS STORAGE TANK

Disclosed is a liquid anti-rolling, positioned filling and circulating apparatus for a liquefied natural gas storage tank, comprising a main unloading pipe (1) with a main control switch valve (4) mounted thereon, a heavy component branch unloading pipe (5) with a heavy component branch pipe switch control valve (7) mounted thereon and in communication with the main unloading pipe (1), and a light component branch unloading pipe (2) with a light component branch pipe switch control valve (3) mounted thereon. An output port of the heavy component branch unloading pipe (5) is in communication with an inlet of a heavy component branch pipe on which multiple branch switch control valves (8, 9, 10, 11) are mounted, and an output port of the light component branch unloading pipe (2) is in communication with an inlet of a light component branch pipe on which multiple branch switch control valves (12, 13, 14, 15, 16) are mounted. Injection rings (19) are separately mounted in the liquefied natural ...

挂轨式巡检机器人

Card punching system for enterprise management based on facial recognition attendance checking

The invention discloses a card punching system for enterprise management based on facial recognition attendance checking, which comprises a facial attendance checking card punching system, and the facial attendance checking card punching system comprises a face recognition system, an information gathering system, a cloud system and a user system. The face recognition system comprises an information acquisition module, an information matching module, a voice notification module, a data transmission module, a Bluetooth module and a power supply module, and the cloud system and the Bluetooth module are used for transmitting information of the face attendance card punching system. According to the invention, a setting mode of the face attendance checking and card punching system is utilized, the face attendance checking and card punching system comprises a face recognition system, an information gathering system, a cloud system and a user system, and the face recognition system comprises an ...

Anti-aging polypropylene cable material as well as preparation method and application thereof

The invention relates to the technical field of polypropylene cable materials, in particular to an anti-aging polypropylene cable material as well as a preparation method and application thereof. The anti-aging polypropylene cable material comprises the following components in parts by weight: 40-60 parts of polypropylene; 2-4 parts of an antioxidant; 0.5 to 1.5 parts of an ultraviolet light absorber; 1-3 parts of a heat stabilizer; 1-3 parts of a drying agent; 2 to 4 parts of nano particles and 20 to 40 parts of polyether TPU; the nano particles are SiO2 and TiO2, and the weight ratio of the SiO2 to the TiO2 is 1: 1.5; the antioxidant is one of a thioaniline light-oxygen stabilizer, a phenylformamide light-oxygen stabilizer and dibutyl hydroxyurea, and an isodiphenyl benzotriazine siloxane light stabilizer, and the weight ratio of the three components in the antioxidant is 3: 2: 2. The anti-aging performance of the cable material is improved, the service life of the cable material is prolonged ...

Refrigeration module and optical beauty instrument

The invention relates to a refrigeration module and an optical beauty instrument, the refrigeration module comprises a semiconductor refrigeration sheet, and the semiconductor refrigeration sheet comprises a galvanic couple layer in the middle and a hot surface and a cold surface at two ends; the refrigeration module comprises a heat pipe, one end of the heat pipe is connected with the cold face of the semiconductor refrigeration sheet in a rapid heat transfer mode, the other end of the heat pipe is used for being connected with an object to be refrigerated in a rapid heat transfer mode, and therefore the cold face of the semiconductor refrigeration sheet can rapidly refrigerate the object through heat transfer of the heat pipe. According to the optical beauty instrument, the refrigeration module is adopted to refrigerate the working face of the beauty instrument, the heat pipe is connected between the cold face of the semiconductor refrigeration sheet and the working face, and rapid cold ...

Pressure chip and manufacturing method thereof

The invention provides a pressure chip and a manufacturing process thereof, and the pressure chip comprises a device layer which is internally integrated with a pressure detection circuit, the pressure detection circuit is electrically connected with the outside through a metal electrode, and the pressure detection circuit comprises a piezoresistive element; the protection layer is fixedly attached to the upper side surface of the device layer and is provided with a contact hole through which the upper side and the lower side of the metal electrode penetrate; the isolation connection layer is fixedly attached to the lower surface of the device layer; the supporting layer is fixedly attached to the lower surface of the isolation connecting layer, a first cavity is formed in the supporting layer, and the piezoresistive element is located over the first cavity; the lower end of the first cavity extends to the lower surface of the isolation connecting layer to form a pressure leading-in port ...

CT SYSTEM, AND FRAME DYNAMIC BALANCE MEASUREMENT AND ADJUSTMENT THEREOF

A CT system optical path abnormality detection or frame dynamic balance state measurement and adjustment method. A controller (140) of a CT system (100) controls a frame (110) to perform detection scanning along an optical path of the CT system (100), the optical path being the path taken by a ray from a ray source (131) to a detector (132) during scanning. The method comprises a processor (150) obtaining detection scanning data, establishing a state feature indicator of the optical path or calculating a dynamic unbalance amount according to the data, and by analysing the state feature indicator or the dynamic unbalance amount, determining whether the optical path is abnormal or a dynamic balance state of the frame (110) satisfies requirements.

Production method for Cr-containing cold forging steel hot-rolled wire rod easily subjected to acid pickling after annealing

... 本发明公开了种退火后易酸洗的含Cr冷镦钢热轧线材生产方法，所述方法包括加热、除鳞、轧制、吐丝、冷却、集卷工序。本发明通过调整加热温度和水除鳞压力，除去次氧化铁皮，在机架间喷水抑制二次氧化铁皮生成，以及降低吐丝温度抑制三次氧化铁皮的生长，生产的含Cr冷镦钢线材在下游深加工改制过程中，在退火前可以不经过酸洗，而退火后的酸洗时相比容易酸洗。本发明方法的实施，可以减少次酸洗工艺，达到环保和降低成本的目的。 ...

Fuel valve and engine

The invention belongs to the technical field of marine engines, and discloses a fuel valve and an engine, the fuel valve comprises a shell structure, a nozzle structure and a needle valve, the end, facing the nozzle structure, of the shell structure is a valve seat, a fuel chamber is formed in the position, close to the valve seat, of the shell structure, and the fuel chamber communicates with a center through hole of the shell structure; a plurality of protrusions are arranged on the inner wall of the fuel chamber, a gas guide hole is further formed in the shell structure, and the two ends of the gas guide hole communicate with the fuel chamber and the gas fuel storage device correspondingly. The nozzle structure is sealed and fixedly connected to the shell structure. The two ends of the nozzle structure can communicate with the fuel chamber and an engine fuel cavity correspondingly. The needle valve is slidably connected to the inner wall of the center through hole, an oil guide hole ...

Separation method and separation device for incomplete grains of spherical grains

The invention discloses a separation method and a separation device for spherical incomplete grains in the technical field of grain detection, and the separation method utilizes the characteristic that the complete grains and the incomplete grains of the spherical grains are different in operation state on an inclined plane under the action of self weight and external vibration. By controlling the downward rolling speed of the complete grains along the inclined surface to be higher than the upward crawling speed and the downward sliding speed of the incomplete grains and the impurities along the inclined surface to be lower than the upward crawling speed, the separation of the complete grains, the incomplete grains and the impurities of the spherical grains can be accurately realized. Based on the principle, the inclined vibration groove is used as a separation carrier, the vibrator is used for providing upward creeping force for grains in the vibration groove, and the vibrator is arranged ...

Auxiliary positioning tool for vehicle door assembly

The auxiliary positioning tool for vehicle door assembly comprises a seat body, a seat body mounting structure and a vehicle door positioning structure, and the seat body extends in the vertical direction; the seat body mounting structure comprises a hanging group and a clamping group which are arranged on the seat body and are arranged at an interval in the vertical direction, the hanging group comprises a first hanging part and a second hanging part which are arranged at an interval in the left-right direction, and the clamping group comprises two clamping structures which are arranged at an interval in the left-right direction; the vehicle door positioning structure comprises a movable positioning assembly, a fixing pin and a buckle plate, the movable positioning assembly and the fixing pin are arranged at intervals in the left-right direction, the buckle plate is located between the movable positioning assembly and the fixing pin and extends in the up-down direction, and the movable ...

Composite aerial cable

The composite aerial cable comprises a cable body and sleeves which sleeve the outer wall of the cable body at equal intervals, and the cable body is sequentially provided with a reinforcing core, an aluminum alloy conductor, an insulating layer, a heat conduction layer, a shielding layer and an outer sheath layer from inside to outside. After the cable body droops, the bottom of the cable body is of an upward bending structure to extrude the arc-shaped elastic sheet and further extrude the buffer elastic block to be compressed, and when the buffer elastic block is compressed, the supporting force of the buffer elastic block vertical to the peripheral surface of the cable body is enhanced, so that the supporting capacity of the cable body is improved; and when the buffer elastic block is compressed, the top center of the arc-shaped elastic sheet is pressed to move downwards, and at the moment, the two ends of the arc-shaped elastic sheet tilt upwards to enhance the upward supporting force ...

Method for improving strength of raw silk

The invention discloses a method for improving the strength of raw silk, which is characterized in that the cohesive force of the produced 20/22D raw silk reaches 98 times and the strength reaches 96 cN by adjusting the temperature in a mounting process, improving the performance of cocoon silk and reducing the difference of relative strength of different partitions of the cocoon silk. According to the physiological characteristics of silkworms in the spinning process, the strength of raw silk can be improved by controlling the temperature condition, and the method has the advantages of being convenient to operate, low in cost and easy to apply and popularize.

Anti-loosening structure for hydraulic joint of aluminum plate rolling mill

The invention discloses an aluminum plate rolling mill hydraulic connector anti-loosening structure, and relates to the technical field of hydraulic connectors, the aluminum plate rolling mill hydraulic connector anti-loosening structure comprises a female head, a male head and a first anti-loosening mechanism, the first anti-loosening mechanism is arranged on the outer wall of a connecting cavity corresponding to the female head, and the male head is arranged in the connecting cavity of the female head and is fixed through the first anti-loosening mechanism; a limiting mechanism is arranged on the plugging mechanism, and after the female head and the male head are connected, the limiting mechanism can limit displacement between the plugging mechanism and the female head and the male head; and the second anti-loosening mechanism is arranged on the blocking mechanisms, the second anti-loosening mechanism is triggered after the two blocking mechanisms make contact and release blocking, and ...

COPPER MATTE BOTTOM-BLOWING REFINING PROCESS AND COPPER MATTE BOTTOM-BLOWING REFINING FURNACE

A copper matte bottom-blowing refining process and copper matte bottom-blowing refining furnace (1), the copper matte bottom-blowing refining process comprising the steps of: adding a copper matte and a flux to the bottom-blowing refining furnace; using a bottom-blowing spray gun (20) to continuously blow oxygen-containing gas from the bottom of the refining furnace toward the melt in the furnace; and discharging crude copper and slag respectively.

METHOD FOR CONTROLLING MULTIPLE PAN-TILT ZOOM HEADS, DEVICE, UNMANNED AERIAL VEHICLE, MEDIUM, AND ELECTRONIC APPARATUS

Embodiments of the present invention provide a method for controlling multiple pan-tilt zoom heads, a device for controlling multiple pan-tilt zoom heads, an unmanned aerial vehicle, a computer readable medium, and an electronic apparatus. The method for controlling multiple pan-tilt zoom heads comprises: acquiring multiple configuration parameters of each pan-tilt zoom head among multiple pan-tilt zoom heads; grouping multiple configuration parameters having a consistent configuration parameter identifier as a configuration information pair; and acquiring a target configuration parameter of the configuration information pair, and controlling the multiple pan-tilt zoom heads on the basis of the target configuration parameter. The technical solution of the embodiments of the present invention provides a method for controlling configuration parameters of multiple pan-tilt zoom heads in a centralized manner, so as to achieve the goal of controlling the multiple pan-tilt zoom heads according ...

ELECTRONIC BOOK READER DEVICE WITH CAPACITIVE TOUCH FUNCTION AND TOUCH METHOD THEREOF

An electronic book reader device with capacitive touch function and a touch method thereof are provided. The device comprises an electronic book reader main body and an outer shell (1) for packaging the main body, a main control board (2) arranged in the electronic book reader main body, an electronic paper display screen(7) arranged on the outer shell (1), and at least one capacitive touchpad(4). The capacitive touchpad (4) connected with the main control board (2) is arranged at the position which is inside the e-book reader main body and corresponds to a holding part (5) of the shell (1). A surface of the holding part (5) of the shell (2) is provided with a capacitive touch area (6) corresponding to the capacitive touchpad (4).

MULTI-TASK OPERATION METHOD AND ELECTRONIC DEVICE

A multi-task operation method and an electronic device, which relate to the technical field of electronic devices. The method and device were invented in order to solve the problem in the existing technology wherein a multi-task operation is complicated. The method comprises: an electronic device displaying icons of a first quantity of applications (401); the electronic device receiving a preset operation that is triggered by a user on icons of a second quantity of applications among the icons of the first quantity of applications (402); the electronic device responding to the preset operation, and the electronic device displaying interfaces of the second quantity of applications in a split screen (403); the second quantity is greater than or equal to two, and less than or equal to the first quantity. The method is applied during the process of a user operating an electronic device.

Performance is with warming up hand time fan

... 本实用新型公开了种表演用可暖手功夫扇，包括两个主扇骨和多根副扇骨，所述主扇骨和副扇骨之间铰接，所述主扇骨正面的手握区设有生热区，主扇骨的正面还设有开关、电池槽和LED灯管，所述开关位于生热区的侧，电池槽位于开关的另侧，LED灯管位于电池槽的另侧，所述生热区包括发热丝，发热丝设置在主扇骨手握区开设的安装槽内，主扇骨手握区的安装槽的表面设有铁片，铁片的表面设有保温层，并且铁片的侧伸出有与其体成型的铁片触头，所述开关分别电性连接发热丝和LED灯管。本实用新型结构简单，操作方便，并且成本低廉，观赏性高，而且通过暖手装置，使得功夫扇在寒冷的天气下依然能够使用。 ...

Slag line low-carbon magnesia carbon brick for refining steel ladle as well as preparation method and application of slag line low-carbon magnesia carbon brick

The invention discloses a slag line low-carbon magnesia carbon brick for refining steel ladles and a preparation method and application thereof, and belongs to the technical field of metallurgy and refractory materials, the magnesia carbon brick is prepared from the following raw materials by weight: 20-25 parts of 98 common fused magnesia with a particle size of 3-5 mm, 25-35 parts of 98 common fused magnesia with a particle size of 1-3 mm, 20-25 parts of 98 common fused magnesia with a particle size of 0-1 mm, 10-20 parts of a slag line low-carbon magnesia carbon brick with a particle size of 0-1 mm, and 10-20 parts of a slag line low-carbon magnesia carbon brick with a particle size of 0-1 mm. 0-10 parts of 98 common fused magnesite with the particle size being smaller than or equal to 0.074 mm, 10-15 parts of tantalum carbide powder with the particle size being smaller than or equal to 0.045 mm, 1-5 parts of metal tungsten powder with the particle size being smaller than or equal to ...

Single-stage fine-grained lightweight point cloud 3D target detection system and method

The invention discloses a single-stage fine-grained lightweight point cloud 3D target detection system and method. The system comprises a point cloud feature coding module, a voxel feature extraction module, a BEV feature extraction module and a detection module. The point cloud feature coding module is used for performing voxelization on input point cloud data and coding point cloud features in each voxel to obtain coded features; the voxel feature extraction module is used for performing voxel feature extraction on the encoded features to obtain voxel features; the BEV feature extraction module performs feature conversion extraction based on the voxel features to obtain BEV features; and the detection module performs target detection based on the BEV features. The extraction of the voxel features is faster and more accurate than the traditional sparse convolutional network, the integrity and sparsity of the original point cloud features are maintained as far as possible, and the extracted ...

Reciprocating type torsion simulation test device for cable

The invention discloses a reciprocating torsion simulation test device for a cable, and relates to the technical field of cable test devices.The reciprocating torsion simulation test device comprises a rack, a channel bin is arranged in the middle of the rack, heating modules are arranged at the two ends of the channel bin, a hammering module is arranged outside the channel bin, and a hammering head is arranged at the output end of the hammering module; according to the test device, simulation of temperature difference and falling of a cable under a mine and simulation of dragging and torsion of the cable in the use process are completed, coaxial torsion test and cable impact test on the cable are achieved, and the test device has the advantages that the test device is simple in structure and convenient to operate, and the test efficiency is improved. And the purpose of temperature difference environment simulation is achieved.

SINTERING APPARATUS, PACKAGING SYSTEM FOR ORGANIC LIGHT-EMITTING-DIODE DEVICE, AND SINTERING METHOD

A sintering apparatus, a packaging system for an organic light-emitting-diode device and a sintering method to resolve the issues of long processing times and high costs of conventional high-temperature sintering processes for organic light-emitting-diode devices. The sintering apparatus of the present invention is provided with two sintering chambers, wherein the two sintering chambers can communicate with each other. During operation, a substrate (5) coated with glass paste is first placed in a closed first sintering chamber (10) to undergo a first sintering process; and then the substrate (5) is placed in a second sintering chamber (20) to undergo a second sintering process. The method of the present invention can shorten the time interval between a first sintering process and a second sintering process, and avoid wastage of nitrogen during the transition period between the two sintering processes.

Multifunctional full-automatic production method and production line

The invention discloses a multifunctional full-automatic production method and a production line. The multifunctional full-automatic production method comprises the following steps: feeding and positioning; airtightness detection; performing press fitting; burrs are sucked; and blanking. The production efficiency is greatly improved, the labor consumption is reduced, the equipment is more stable due to long-time production, the efficiency is higher, the number of invested personnel is smaller, according to the arrangement and design, one person can operate, and the efficiency is higher.

Human body behavior recognition method and device, electronic equipment and readable storage medium

The invention provides a human body behavior recognition method and device, electronic equipment and a readable storage medium, and the method comprises the steps: extracting compressed domain information from compressed video data, wherein the compressed domain information comprises a plurality of I frames, a residual error and a motion vector; performing fusion processing on the deep features corresponding to the I frames and the target residuals to obtain local spatial-temporal features corresponding to the I frames; fusing two adjacent local spatial-temporal features to obtain a global spatial-temporal feature corresponding to the compressed video data; and determining a target feature corresponding to the compressed video data based on the global spatial-temporal feature, the motion vector and the residual error, and determining a human behavior recognition result corresponding to the compressed video data based on the target feature. By fusing the I frames and the target residuals ...

River patrol management method and system, electronic device and storage medium

The invention relates to a riverway patrol management method and system, an electronic device and a storage medium, and the method comprises the steps that a cloud system sends a task command to an unmanned aerial vehicle system, and the unmanned aerial vehicle system controls an unmanned aerial vehicle to execute a patrol task; the unmanned aerial vehicle and the monitoring equipment obtain river channel information and feed back the information to the cloud system; and the cloud system performs data analysis on the acquired river channel information, acquires abnormal information, and identifies and judges the abnormal information. According to the invention, the problem of low efficiency of river operation and maintenance and river patrol treatment is solved, and the management efficiency is improved.

COPPER SMELTING SLAG COMPREHENSIVE RECOVERY METHOD AND DEVICE

A copper smelting slag comprehensive recovery method and device. Said method uses a CR furnace to perform reductive fuming and settling on the smelting slag to comprehensively recover valuable metals in the smelting slag and produce harmless slag. The CR furnace (30) comprises a cavity, the cavity comprising a reductive fuming cavity (31) and a settling cavity (32) in communication with each other. Recovery of valuable metals in the smelting slag comprises the steps of: performing a reductive fuming treatment on the smelting slag in the reductive fuming cavity (31) to obtain valuable metals-containing smoke dust and reduced slag, and performing a settling treatment on the reduced slag in the settling cavity (32) to obtain copper matte and harmless slag; or performing a settling treatment on the smelting slag in the settling cavity (32) to obtain copper matte and settled slag, and performing a reductive fuming treatment on the settled slag in the reductive fuming cavity (31), so as to obtain ...

Centralized control station operation key information inspection method

The invention provides a centralized control station operation key information inspection method, which comprises the following steps: constructing an operation information inspection model, and storing an operation information detection analysis strategy in the operation information inspection model in an associated manner; inputting the operation information of the centralized control station obtained in real time into the operation information inspection model for detection and analysis; uploading and storing the analysis result associated with the analysis description; and meanwhile, an abnormal analysis result is communicated and notified to a user terminal. The operation information inspection model is constructed, the centralized control station operation information acquired in real time is input to the operation information inspection model for detection and analysis, when abnormal data is detected, alarm reminding is performed in time, and manual monitoring and analysis of single ...

Road state early warning method and device, vehicle and storage medium

The invention discloses a road state early warning method and device, a vehicle and a storage medium, and relates to the technical field of automobile control. The road state early warning method comprises the steps that road data and real-time vehicle data of a current driving road are acquired, and the road data comprise video data and/or point cloud data; establishing a road three-dimensional model according to the road data; building a finite element structure body model based on the road three-dimensional model; according to the finite element structure body model and the real-time vehicle data, abnormal acceleration is determined in real time, and the abnormal acceleration is vehicle acceleration caused by abnormity of the current driving road; and outputting early warning information according to the abnormal acceleration. The technical problem that the early warning result output by the early warning method is not accurate enough due to the fact that the road state detection is ...

Vehicle display interface control method and device, equipment, storage medium and vehicle

The invention provides a control method and device for a vehicle display interface, equipment, a storage medium and a vehicle. The control method for the vehicle display interface comprises the steps that the current environment outside the vehicle is obtained; according to the current environment outside the vehicle, a matched picture is selected from a plurality of pre-stored pictures, and the matched picture is a picture corresponding to the current environment outside the vehicle; the matched picture is controlled to be a background picture of the vehicle display interface. According to the control method of the vehicle display interface, the background picture of the vehicle display interface can be automatically replaced along with different vehicle exterior environments, so that the display environment of the background picture can be consistent with the actual vehicle exterior environment, and when a user checks the display information on the display interface, the user can conveniently ...

Wireless hanging load instrument for calibrating weight indicator

The wireless hanging load instrument comprises main shells, a drill rod connecting piece and a drill bit connecting piece, the drill rod connecting piece and the drill bit connecting piece are symmetrically arranged at the upper end and the lower end of the main shells, and a force transmission column located between the main shells is further installed between the drill rod connecting piece and the drill bit connecting piece; a stress piece is arranged on the outer wall of the force transmission column, and a stress collection and analysis controller is further installed in the main shell. The device has the beneficial effects that the drill rod and the drill bit are connected through the drill rod connecting piece and the drill bit connecting piece correspondingly, in the operation process, due to the fact that the drill rod connecting piece and the drill bit connecting piece can transmit stress, the force transmission column deforms, and the deformation magnitude is fed back through ...

PAN-TILT ORIENTATION CORRECTION METHOD, PAN-TILT ORIENTATION CORRECTION APPARATUS, PAN-TILT, PAN-TILT SYSTEM, AND UNMANNED AERIAL VEHICLE

A pan-tilt orientation correction apparatus and a correction method therefor. An orientation of a pan-tilt (101) is corrected according to image data obtained by a photographing device (102) carried by the pan-tilt (101). The correction apparatus comprises a memory and a processor. The correction method comprises: obtaining a line sub-set of parallel lines in the image data (S3001); calculating an observation orientation of the pan-tilt (101) according to the line sub-set (S3002); and correcting a current orientation of the pan-tilt (101) according to the observation orientation (S3003). The correction apparatus and the correction method are applied to an unmanned aerial vehicle (100) and a pan-tilt system thereof.

Antenna device for wireless communication network

The invention relates to the technical field of communication equipment, in particular to an antenna device for a wireless communication network, which comprises an antenna tower and further comprises a square frame, the square frame is fixedly mounted on the antenna tower, a square guide groove is formed in the side wall of the square frame, and a supporting plate is fixedly mounted in the middle of the square frame; the support plate is provided with a square guide groove, the antenna moving mechanism is connected with the support plate and slidably connected with the square guide groove, and the antenna moving mechanism comprises a rotation driving assembly, an orientation assembly and an antenna mounting seat; according to the antenna device for the wireless communication network, the structure is novel, maintenance and debugging work of workers can be facilitated, the workers are prevented from reaching high and thin parts, life safety of the workers is guaranteed, and the danger coefficient ...

METALLOCENE POLYALPHAOLEFIN CATALYST FOR SYNTHETIC LUBRICANT BASE STOCKS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The present invention relates to a metallocene polyalphaolefin catalyst for synthetic lubricant base stocks, consisting of substituted aromatic base, bridged silicon or carbon atoms, 3' single-substituted or 3', 6' bis-substituted fluorenyl or 3' single-substituted or 3', 6' bis-substituted 5H-indeno[1,2-b] pyridyl or 3' single-substituted or 3', 6' bis-substituted 5H-indeno[1,2-b] sulfopyranyl, and metal dentate. The metallocene polyalphaolefin catalyst of the present invention has a stable structure and high catalytic efficiency. The preparation method of the present invention has simple operations, high yield, easy-to-get raw materials, low cost, and little environmental contamination, and can be easily applied to industrial production.

PROMPT METHOD AND DEVICE FOR MULTISYSTEM TERMINAL NOTIFICATION MESSAGE

Disclosed are a prompt method and device for a multisystem terminal notification message. The method may comprise: a background operation system acquiring a notification message received by a target application program installed therein; the background operation system storing the notification message and a system identifier of the background operation system in a common storage medium; a foreground operation system reading the notification message and the system identifier of the background operation system from the common storage medium; and the foreground operation system sending a notification prompt to a user according to the notification message and the system identifier of the background operation system. By means of the present invention, a notification message of an application program installed in a background operation system can be directly notified and prompted in a foreground operation system, thereby improving the prompt efficiency for the notification message received by ...

Airborne optical window glass temperature and pressure difference test device

The invention discloses an airborne optical window glass temperature and pressure difference test device. A pressure transmitter is used for providing a pressure medium; one end of the pipeline is connected with the pressure transmitter, and the other end of the pipeline is connected to the closed pressure test tool for realizing back-and-forth conveying of the pressure medium; the flow control valve body is installed on the pipeline and used for adjusting the flow of the pressure medium according to detection data of the sensor. The electric heater is installed on the pipeline and used for heating the pressure medium in the pipeline according to detection data of the sensor and the environment temperature requirement. The closed pressure test tool and the sensor are arranged in the high and low temperature test box; and the closed pressure test tool receives the pressure medium transmitted through the pipeline, simulates the environment in the cabin of the aviation aircraft in the closed ...

Drilling deformation monitoring device and method

The invention relates to a drill hole deformation monitoring device and method, and the device comprises a supporting part which is provided with a rope guide channel and a through hole, and the through hole communicates with the rope guide channel; the elastic body is arranged on the supporting body; the elastic body is in extrusion contact with the hole wall of the to-be-monitored drill hole after being arranged in the to-be-monitored drill hole, and can contract in the radial direction of the to-be-monitored drill hole when the to-be-monitored drill hole deforms; the rigid rope is arranged in the rope guide channel, the first end of the rigid rope penetrates through the through hole to be connected with the elastic body, and the second end of the rigid rope extends out of the hole opening of the drill hole to be monitored; the connecting end of the tension meter is connected with the second end of the rigid rope; when the hole wall of the to-be-monitored drill hole deforms, the elastic ...

Conveying device for cable

The invention discloses a conveying device for cables, and belongs to the technical field of cable conveying. The conveying device comprises a traction assembly and a conveying assembly; the traction assembly comprises a first driving piece and a winch. The conveying assembly comprises a supporting frame, a rotating frame, an extrusion wheel set, a second driving part and an adjusting part, a baffle perpendicular to the cable is arranged on the supporting frame, the extrusion wheel set comprises two extrusion wheels arranged at intervals, the output end of the second driving part and the two extrusion wheels are in transmission through a gear transmission mechanism, one extrusion wheel is rotationally arranged on the supporting frame, and the other extrusion wheel is rotationally arranged on the adjusting part. One end of the rotating frame is hinged to the supporting frame, the other extrusion wheel is rotatably arranged in the middle of the rotating frame, and the adjusting piece comprises ...

TRANSMISSION ASSEMBLY USED FOR LIFTING/LOWERING COLUMN, AND LIFTING/LOWERING COLUMN

Provided are a transmission assembly used for a lifting/lowering column, and a lifting/lowering column; the lifting/lowering column comprises an inner pipe (8); the transmission assembly comprises a hollow shaft (2), a transmission screw (1), a sleeve (4) fitted on the outside of the hollow shaft (2), a guide pipe (3) limited inside the sleeve (4), and a drive apparatus (5) used for driving the guide pipe (3) to rotate; the guide pipe (3) and the hollow shaft (2) can rotate concomitantly and the guide pipe (3) and the hollow shaft (2) can extend and retract relatively in the axial direction; the transmission screw (1) can rotate concomitantly with the hollow shaft (2), and the transmission screw (1) and the hollow shaft (2) can extend and retract in the axial direction; the drive apparatus (5) is located in the inner pipe (8) and is fixedly mounted on the upper end of the sleeve (4); the lower end of the sleeve (4) is fixedly connected to a first transmission nut (7) threadedly fitted to ...

TUNNEL WALL-ADHERING SHUTTLE PLATFORM AND TUNNEL MONITORING APPARATUS

A tunnel wall-adhering shuttle platform (30) and a tunnel monitoring apparatus (100), the tunnel wall-adhering shuttle platform (30) being suited to shuttling in water in a tunnel (20) below a shield well (10), the tunnel wall-adhering shuttle platform (30) comprising a control apparatus (303), a winch (304), a cable (302), and a carrying platform (301) capable of floating on water, the control apparatus (303) being electrically connected to the winch (304), the carrying platform (301) being electrically connected to the control apparatus (303) by means of the cable (302), one end of the cable (302) being connected to the carrying platform (301) and the other end of the cable (302) being wound onto the winch (304), and the control apparatus (303) controlling the release and retraction of the cable (302) such that the carrying platform (301) can shuttle in a reciprocating motion along the inner wall of the tunnel (20) in a wall-adhering manner. By means of the control apparatus (303) controlling ...

DATA SHARING METHOD AND MULTI-SYSTEM TERMINAL

Provided are a data sharing method and a multi-system terminal. The method comprises: one or more systems import shared data corresponding to the type of shared data into a shared space; and after detecting a data invoking request, a current system reads the shared data corresponding to the data invoking request in the shared space. By means of the implementation of the present invention, one or more systems import shared data corresponding to the type of shared data in respective systems into a shared space. During the use, after detecting a data invoking request, a current system reads the shared data corresponding to the data invoking request from the shared space for a user to select and use. In this way, on the premise that various systems cannot directly communicate with each other, data sharing between systems is achieved, and the usage experience of a user is enhanced.

Lobster basket with local heating function

... 本实用新型涉及捕具技术领域，公开了带有局部增温功能的虾笼，包括尼龙笼网(7)和多个用于支撑尼龙笼网(7)的笼骨架(5)，还包括设在笼骨架(5)上带有绝缘层的加热电阻丝(4)和与加热电阻丝(4)连接的电源线(3)，电源线(3)上设有电插头(1)。本实用新型结构简单紧凑、外形尺寸小、重量轻、机动性好，利用气温较低的时候，由于淡水虾对水温的敏感性，利用绝缘的加热电阻丝(4)加热虾笼内部和周围的水温，提高局部的水温，吸引淡水虾，提高冬季淡水虾的捕捞量。 ...

Method for catalytically synthesizing phenyl phosphorus by using ferric trichloride

The invention discloses a method for catalytically synthesizing phenyl phosphorus by using ferric trichloride, yellow phosphorus and chlorobenzene are used as raw materials, ferric trichloride is used as a catalyst, the raw materials are heated to 280-400 DEG C in a closed high-pressure reaction kettle, phenyl phosphorus dichloride, diphenyl phosphorus chloride and triphenyl phosphorus are obtained through one-step reaction, and the method is efficient, energy-saving, environment-friendly and safe.

LOW-POWER-CONSUMPTION CAPACITIVE SENSOR INTERFACE CIRCUIT

Provided is a low-power-consumption capacitive sensor interface circuit, constituted by a sensor control oscillator, a multiplexing frequency divider, and a multiplexer; the output terminal of the sensor control oscillator is connected to the input terminal of the multiplexing frequency divider; the output terminal of the multiplexing frequency divider is connected to the input terminal of the multiplexer; the output terminal of the multiplexer is connected to the input terminal of a counter; the other input terminal of the counter is externally connected to a clock signal; the output terminal of the counter is a digital signal output terminal. The interface circuit employs an all-digital architecture to process a sensor signal in a frequency domain; the configuration of the circuit is simple and the circuit can operate at a relatively low power supply voltage, which is advantageous to reducing the overall power consumption of the circuit; the area of the chip is reduced and the effect ...

METHOD FOR ATTITUDE SOLUTION OF HANDHELD CAMERA STABILIZER AND CAMERA STABILIZER SYSTEM

A method (300) for an attitude solution of a handheld camera stabilizer and a camera stabilizer system (500). The method comprises: acquiring first attitude information as measured by an inertial measurement unit of a camera stabilizer (510); acquiring second attitude information from measurement data of a visual odometer (112) in a mount component (520) of the camera stabilizer, wherein, the mount component (520) is used for mounting of the camera stabilizer (510); executing a correction on the first attitude information according to the second attitude information to obtain an attitude of the camera stabilizer (510). The technical solution improves the precision of a camera stabilizer attitude solution.

Position-sensing-free control method for built-in permanent magnet linear synchronous motor

The invention provides a position-sensing-free control method for a built-in permanent magnet linear synchronous motor, and relates to the technical field of motor control. According to the method, the quadrature-direct axis inductance is estimated through input and output feedback linearization self-adaptive control, and the inductance is used for quadrature-direct axis current given value calculation and flux linkage estimation in maximum thrust current ratio control; besides, an integral term in flux linkage estimation operation enables orthogonal characteristics of the flux linkage and the back electromotive force to disappear, motor position estimation errors in sensorless control are caused, a direct current offset error compensation method is adopted to construct a flux linkage estimator based on direct current offset compensation, and the flux linkage, the position and the speed of the motor are estimated. The maximum thrust-to-current ratio method can output small current under ...

Aircraft integral cabin framework tool and using method

The invention discloses an aircraft integral cabin framework tool and a using method, and relates to the technical field of equipment manufacturing industry. The aircraft integral cabin framework tool comprises a fixed bottom plate, a lifting unit, a paint spraying unit and a purifying unit, and a supporting vertical rod is fixedly mounted at the top of the fixed bottom plate. According to the aircraft integral cabin framework tool and the use method, through cooperative use of a second motor, a hollow rotating column, a first bevel gear, a second bevel gear, a connecting pipe, a paint spraying pump, an output pipe and a paint spraying box, on one hand, the paint spraying mode can save manual paint spraying time and reduce the working intensity of workers, and on the other hand, in the paint spraying process, the labor intensity of workers is reduced; according to the paint spraying device, the paint spraying pipe can rotate around the cabin, so that uniform paint spraying can be achieved ...

Bridge state monitoring method based on vibration energy-taking RFID sensor and federated learning

The invention provides a bridge state monitoring method based on vibration energy taking RFID sensors and federated learning, and the method comprises the steps: enabling a central cloud server to push an initialized global model parameter to each RFID sensor participating in federated training, enabling the RFID sensors to carry out the training according to the bridge vibration data collected locally, obtaining the local model parameters of the RFID sensors, and enabling the local model parameters of the RFID sensors to be transmitted to the central cloud server; and then the central cloud server carries out fusion updating according to a federated average algorithm to obtain updated global model parameters and pushes the updated global model parameters again until the local models of all RFID sensors reach loss function minimization, and final global model parameters are obtained. According to the method, a central cloud server is used as a global model, then an RFID sensor uses local ...

Beam hardening effect correction method, system, equipment and medium

The invention discloses a correction method, system and equipment for a beam hardening effect and a medium. The correction method comprises the following steps: acquiring a linear attenuation coefficient of a test die body; determining an ideal projection value of the test die body based on the linear attenuation coefficient; acquiring an actual projection value of the test die body; and obtaining a hardening correction coefficient based on a mapping relation between the ideal projection value of the test die body and the actual projection value of the test die body. According to the method, data collection is convenient, data can be continuously collected at a fixed angle, after data of flat plate die bodies with different thicknesses are obtained, a correction coefficient can be obtained through numerical value post-processing operation, the numerical value correction effect is achieved, and therefore the calculation complexity during hardening effect correction is reduced. In addition ...

PONTOON TYPE TUNNEL SHUTTLE PLATFORM, MONITORING DEVICE AND FOREIGN MATTER MONITORING METHOD

A pontoon type tunnel shuttle platform (30), comprising a control device (301), a first winch (302), a second winch (303), a cable (304), and a carrying platform (305); the first winch (302) and the second winch (303) are correspondingly disposed on two shield wells (10) and are both electrically connected to the control device (301); one end of the cable (304) is wound on the first winch (302), and the other end of the cable (304) successively passes through the shield well (10) under the first winch (302), a tunnel (20) and the shield well (10) under the second winch (303) and then is wound on the second winch (303); the cable (304) is located in the tunnel (20) in a tight manner and is fixedly connected with the carrying platform (305) in a sealed manner; the carrying platform (305) is electrically connected to the control device (301) by means of the tight cable (304) and is suspended in the tunnel (20); the control device (301) controls the releasing and rewinding of the cable (304 ...

Mini-LED implantable feeding, light-splitting and color-separating machine and working method thereof

The invention discloses a Mini-LED implantable feeding, light-splitting and color-separating machine and a working method thereof.The Mini-LED implantable feeding, light-splitting and color-separating machine comprises a control system, a working system and a metal plate rack, and the working system comprises a feeding module, a disc general assembly module, a main rotating disc module, a positioning module, a testing module, an integrating sphere module, a direct blanking module and a receiving module; according to the disc assembly machine, the feeding module, the disc assembly module, the main rotating disc module, the positioning module, the testing module, the integrating sphere module, the direct blanking module and the receiving module are integrated, the disc assembly module is optimized and improved on the original basis, a large amount of time is saved, meanwhile, the cost is reduced, and the production efficiency is improved. The quality of materials is improved, and workers ...

Intelligent continuous stone mill matcha grinding unit and control method

The invention relates to the technical field of tea processing, in particular to an intelligent continuous stone mill matcha grinding unit and a control method, and the intelligent continuous stone mill matcha grinding unit comprises a batching unit and a feeding unit for feeding materials to the batching unit; grinding parts for grinding the matcha are arranged at the discharging ends of the batching unit, and the batching unit can distribute the matcha to the grinding parts according to a preset control program; a conveying unit for collecting tea powder is arranged at the discharging end of each grinding part; through mutual cooperation of the specially designed vertical elevator, the batching unit, the grinding part and the conveying unit, automatic and continuous batching, grinding and discharging in the matcha production process are achieved, and the labor intensity of workers is effectively reduced; and meanwhile, the downtime of the grinding part during feeding can be shortened, ...

METHOD AND SYSTEM FOR SHORT-PROCESS COPPER SMELTING

A method and system for short-process copper smelting. Copper smelting equipment employed in the method comprise a smelting furnace (10), a copper forging furnace (20), a CR furnace (30), a first flow groove, and a second flow groove. The smelting furnace (10) is provided with a copper sulfide outlet and a smelting slag outlet. The copper forging furnace (20) is provided with a copper sulfide inlet, the copper sulfide inlet being in communication with the copper sulfide outlet via the first flow groove. The CR furnace (30) is provided with a smelting slag inlet, the smelting slag inlet being in communication with the smelting slag outlet via the second flow groove. A copper concentrate is smelted in the smelting furnace (10) to produce a first copper sulfide and a smelting slag; the first copper sulfide undergoes a copper forging reaction in the copper forging furnace (20) to generate an anode copper and a copper forging slag; the smelting slag undergoes reduction, fuming, and settlement ...

Tray capping and uncapping conveying system for chip cleaning

The invention provides a tray capping and uncapping conveying system for chip cleaning, which comprises a feeding machine provided with a stacking and distributing mechanism, a stacking and capping mechanism, a feeding mechanism, a feeding mechanism, a discharging mechanism, a feeding mechanism and a discharging mechanism which are arranged in sequence, the stacking and distributing mechanism can convey stacked trays to the stacking and capping mechanism one by one, and the trays are capped through the stacking and capping mechanism and then output for cleaning. And the discharging machine is provided with a stacking and cover removing mechanism and a stacking and stacking mechanism which are arranged in sequence, and the cleaned trays are conveyed into the stacking and cover removing mechanism to be subjected to cover removing and then conveyed to the stacking and stacking mechanism so that the trays with the covers removed can be arranged in a stacked mode. By arranging the stacking and ...

Tray circulating type feeding and discharging equipment

The invention provides tray circulating type feeding and discharging equipment. The tray circulating type feeding and discharging equipment comprises a tray carrying table, a single tray holding mechanism, a tray circulating mechanism, a mechanical arm assembly, an ID reading mechanism, a feeding runner and a discharging runner which are installed on a rack. The two tray carrying tables are arranged at the feeding station and the discharging station correspondingly, can do lifting motion and are used for transferring trays carrying substrates. The single tray holding mechanism is used for holding and transporting trays; the tray circulating mechanism can move between the feeding station and the discharging station and is used for storing and transferring trays. The mechanical arm assembly can adsorb and transfer a substrate; and the ID reading mechanism is located in the transfer area of the mechanical arm assembly and used for reading information of the substrate. According to the invention ...

Multi-blank controlled rolling and temperature control system for medium plate production

A multi-blank rolling and temperature control system for medium plate production comprises a rolling roller way, a roughing mill is installed at one end of the rolling roller way in the length direction, and a finishing mill is installed at the other end of the rolling roller way in the length direction. The method has the beneficial effects that the problem that temperature control can only be carried out on a rolling roller way in traditional medium plate production is solved; the requirement for simultaneous temperature control during rolling of multiple steel plates can be met at the same time, through precise temperature measurement, rolling is precisely controlled after the temperature is reached, the temperature control quality is improved, the requirement for rolling control at different temperatures is met, the production efficiency is improved, the production and operation cost is reduced, meanwhile, the transportation roller way distance between two rolling mills is shortened ...

Method for assisting elevator load detection through stacking carrying robot

The invention relates to a method for assisting elevator load detection by using a stacking and carrying robot, which comprises the following steps that S1, the stacking and carrying robot carries weights to enter an elevator bin, a weight bearing platform (20) of the stacking and carrying robot only serves as a weight stacking area except for a supporting part (34) arranged on the side edge for a rectangular coordinate sliding block module, and the weight bearing platform (20) is used as a weight stacking area; the supporting part (34) is a movable supporting part so that the rectangular coordinate sliding block die can move horizontally, and one end of the rectangular coordinate sliding block die can extend towards the space outside the weight bearing platform (20). S2, the rectangular coordinate sliding block module moves the weights (80) out of the weight bearing platform (20) according to needs and then places the weights (80) in an elevator bin; s3, the stacking carrying robot is ...

Inclination angle detection device of power transmission line tower in extreme weather

An inclination angle detection device for a power transmission line tower in extreme weather relates to the technical field of power transmission line safety and is used for realizing real-time detection of the inclination angle of the tower. Comprising an installation assembly and a detection assembly, the installation assembly comprises a detection assembly installation plate and a tower end installation plate which are fixedly connected, the detection assembly is fixed to the detection assembly installation plate, the tower end installation plate is fixedly connected with a tower, and the detection assembly comprises a shell, a detection sliding block and a coil; the bottom of the detection sliding block is provided with a detection rod, the bottom of the detection rod is provided with a conductive contact, the bottom of the shell is provided with a coil located in a plane, and the detection sliding block slides along the supporting plate for a certain distance and then makes contact ...

High-speed automatic tissue packaging machine

The invention relates to a high-speed automatic tissue packaging machine which comprises a machine shell, a feeding mechanism, a control device, a pushing mechanism and a sealing device, a bag opening mechanism comprises a first motor, a second motor, a first bag opening plate and a second bag opening plate, and the output end of the first motor is connected with the first bag opening plate through a synchronous belt; the bag opening device has the beneficial effects that the first bag opening plate and the second bag opening plate are separately and independently controlled by the first motor and the second motor respectively, the first bag opening plate and the second bag opening plate synchronously face leftwards or rightwards in the stroke, the first bag opening plate and the second bag opening plate are matched in the action to be separated and synchronized, and the running speed is greatly increased while the weight is reduced; two groups of bag warehouses are respectively arranged ...

Transformer early fault diagnosis method based on ISSA-MKELM

The invention discloses a transformer early fault diagnosis method based on ISSA-MKELM, and the method comprises the following steps: collecting the operation data of a transformer in different states to obtain corresponding envelope spectrum signals, carrying out the data normalization processing of the corresponding envelope spectrum signals, and randomly dividing the processed data into training data and test data; early fault features of different categories, the number of hidden layer nodes of the network and the learning rate of DA of each layer are extracted from input data, and optimization selection is carried out through an ISSA algorithm; the method comprises the following steps: constructing a hybrid kernel extreme learning machine MKELM, introducing Bernoulli chaotic mapping to optimize a sparrow initial population, adopting an improved sparrow search algorithm ISSA to optimize parameters of the hybrid kernel extreme learning machine MKELM, establishing an ISSA-MKELM fault ...

Strip mine maintenance management method and system

The invention discloses an open-pit mine maintenance management method and system, and relates to the technical field of open-pit mines, the open-pit mine maintenance management system comprises a console, a plurality of mobile platforms and a plurality of equipment platforms, and each equipment platform comprises a data collection module, a model establishment module and a data sending module; the data collection module is used for corresponding to maintenance data of the equipment platform and transmitting the maintenance data to the model establishment module and the data sending module; the model establishing module is used for receiving the maintenance data, establishing data models based on the maintenance data, and simultaneously endowing each data model with a mark A in sequence, and each mark A corresponds to the corresponding maintenance data. Each equipment platform can collect the maintenance data of the internal equipment, form the corresponding data model, and transmit the ...

Cleaning agent for removing residual pesticide on mulberry leaves as well as preparation method and application of cleaning agent

The invention discloses a cleaning agent for removing pesticide residues on mulberry leaves and a preparation method and application thereof. The preparation method specifically comprises the following steps: (1) preparing a basic formula of the cleaning agent for removing pesticide residues on mulberry leaves; (2) preparation of the cleaning agent for removing the residual pesticide on the mulberry leaves: a certain dose of atropine sulfate is combined with the agent to serve as components of the cleaning agent, so that the effect of preventing silkworm poisoning caused by trace residual pesticide can be achieved; and (3) the cleaning agent adopts natural and non-toxic raw materials, so that silkworm poisoning caused by cleaning agent residues is avoided. The cleaning agent for removing the residual pesticide on the mulberry leaves is simple and convenient to operate, convenient to popularize, quick in effect, natural and non-toxic, can solve the problem that the current residual pesticide ...

METALLURGICAL FURNACE

A metallurgical furnace (1), comprising: a furnace body (100) having a hearth (121) provided therein; a plurality of spray guns (200) disposed on the top of the furnace body (100) and extending into the hearth (121) from top to bottom.

CLEANING AND COLLECTING SYSTEM FOR TUNNEL AND CONTROL METHOD THEREFOR

A cleaning and collecting system for a tunnel, comprising a cleaning robot (200), a collecting robot (100) and a remote operating apparatus (300). The cleaning robot (200) comprises a moving carrier (5), a mechanical arm assembly, an end cleaning apparatus (7) and a local control system, wherein the local control system comprises a local controller (81), a first sensing system (82) and a first camera system (83), the local controller (81) controlling the moving carrier (5), the mechanical arm assembly and the end cleaning apparatus (7) according to information from the first sensing system (82). The collecting robot (100) comprises a moving vehicle body (1), a stripping and conveying apparatus (2), a collecting box (3) and a local control system, wherein the local control system comprises a local controller (41), a second sensing system (42) and a second camera system (43), the local controller (41) controlling the moving vehicle body (1) and the stripping and conveying apparatus (2) according ...

METHOD FOR DIFFERENTIATING OR COMPARING DRUG ACTIVITY MODULE

Provided is a method for differentiating or comparing a drug activity module. The method comprising the following steps:(1) performing module categorization of two biological networks to obtain a modular set; (2) calculating one or more topological characteristics of two modular sets to obtain a single or combined topological indicator, and using the topological indicator to calculate a topological parameter change of a module corresponding to the two modular sets; and (3) comparing the topological parameter change of the module and a significance threshold; if the two biological networks are respectively a pre-drug intervention biological network and a post-drug intervention biological network, and if the topological parameter change is greater or equal to the significance threshold, then categorizing the module as a drug activity module; if the two biological networks are respectively a post-intervention biological network for a first drug and a post-intervention biological network for ...

Full -automatic LED groups packagine machine

... 本实用新型涉及种用于LED产品的自动包装机，尤指种全自动LED编组包装机，主要包括依次连接的供料区、校正区、计量区和装填区及控制系统，供料区主要由送料器皿、振动盘、传送带组成，送料器皿侧壁开设有出料孔，出料孔处连接有设置在振动盘上方的管状送料槽，传送带始端与振动盘衔接，末端延伸至校正区；校正区通过输送道连贯传送带至计量区，输送道首端顶部设有对校正卡口，相交合时形成的卡口形状与LED材料匹配；计量区主要由相邻安装在输送道底面的重量统计器和挡料装置组成，装填区主要包括材料填入收集器和封装装置；本实用新型的各分区相互分配工作，相互连贯，相辅相成，对LED 完成相应的包装处理，且工作效率高。 ...

NEW LINEAR ALPHA OLEFIN CATALYST AND PREPARATION AND APPLICATION THEREOF

The present invention relates to a new linear alpha olefin catalyst, and a preparation and an application thereof. The catalyst composition is composed of a main catalyst and an auxiliary catalyst, wherein the main catalyst is a ferric imino coordination compound, and the auxiliary catalyst comprises methylaluminoxane, triisobutyl aluminium, borane and GaCl3. The catalyst composition is used for catalyzing ethylene oligomerization for preparation of linear alpha olefin; the selectivity of the linear alpha olefin is larger than 96%, and the carbon number distribution of the obtained linear alpha olefin is C4-C28, wherein the C6-C20 content is larger than 75%. The catalyst according to the present invention is structurally stable, features high catalytic efficiency and can be used in ethylene oligomerization. The preparation method according to the present invention has the advantages of having simple and convenient operations, high yield, easy access to raw materials, low costs, low environmental ...

CAMERA STABILIZER POSITION CORRECTION METHOD AND DEVICE

A camera stabilizer position correction method and device, the device comprising a vertical compensation device connected to the camera stabilizer, a visual module (2) disposed on the vertical compensation device, and an inertial measurement unit (1) disposed on the vertical compensation device. The vertical compensation device is used to compensate for movement of the camera stabilizer in a vertical direction, and the visual module (2) and the inertial measurement unit (1) are both electrically connected to the vertical compensation device; the vertical compensation device is used to acquire a first position of the camera stabilizer based on the inertial measurement unit (1), and to acquire, based on the visual module (2), a second position of the vertical compensation device, and to execute correction of the first position in accordance with the second position.

SUPPORTING AND FIXING DEVICE FOR REAR SEATS OF AUTOMOBILE AND AUTOMOBILE

A supporting and fixing device for rear seats (1) of an automobile is arranged on a rear floor of the automobile and comprises a supporting and fixing base. The supporting and fixing base comprises a supporting frame component (11) and at least four seat-connection portions (12) arranged on the supporting frame component (11). Each seat-connection portion (12) comprises a connection portion component and a mounting hole (121) arranged on the connection portion component. Each rear seat of the automobile passes through the mounting hole (12) via a fastener to achieve fixed connection to the supporting and fixing base. The invention also relates to an automobile having the same device. The at least four seat connection portions arranged on the supporting frame provide enough engaging surfaces for the rear seats of the automobile, such that the rear seats of the automobile are more stably connected to the rear floor of the automobile; and in addition, the at least four seat connection portions ...

METHOD AND APPARATUS FOR CONNECTING WIRELESS NETWORK BY TERMINAL

The present invention relates to the technical field of wireless communications. Disclosed are a method and an apparatus for connecting a wireless network by a terminal, which can solve the problem of an unbalanced situation in which power consumption is increased if a WiFi search function is enabled and use cost of another network is increased if the WiFi search function is disenabled. The method comprises: obtaining position information of a terminal according to a preset time interval, the position information being used for describing a geographical position of the terminal; if the position information is in a position range of an available WiFi network, enabling a WiFi search function, the WiFi search function detecting whether an available WiFi network exists; and if an available WiFi network exists, connecting the WiFi network according to login information of the WiFi network. The present invention is mainly used in a process of using a radio signal by a terminal.

Bridge and tunnel connecting structure in complex mountainous area

The utility model relates to the technical field of tunnel engineering, and provides a complex mountainous area bridge and tunnel connecting structure which comprises a rockfall-preventing high-filling open cut tunnel and a conventional open cut tunnel communicated with the rockfall-preventing high-filling open cut tunnel, the conventional open cut tunnel is communicated with a tunnel blind hole, and the rockfall-preventing high-filling open cut tunnel is sequentially provided with a pile foundation, a bearing platform, a retaining wall and backfill earthwork from bottom to top. The backfill earthwork is arranged between the retaining wall and the bed rock, the rockfall-preventing high-filling open cut tunnel is arranged on the backfill earthwork, the bridge foundation and the retaining wall are arranged separately, the pavement elevation of the bridge abutment is flush with the pavement elevation of the conventional open cut tunnel, and the safety of the tunnel portal is protected through ...

Water treatment intelligent monitoring method and system and intelligent equipment

The invention relates to a water treatment intelligent monitoring method and system and intelligent device.The method comprises the steps that intelligent detection equipment obtains water treatment equipment data and dynamically displays the water treatment equipment data on a mobile equipment end or a display end of the intelligent detection equipment in a visual chart mode; thirdly, drawing a three-dimensional model of the intelligent detection equipment through Python, and displaying the three-dimensional model on a mobile equipment end; and finally, according to the data of the water treatment equipment and the three-dimensional model, performing remote operation and maintenance monitoring on the water treatment process and the model through the mobile equipment. Through the application, the problems of high wastewater treatment supervision difficulty, high equipment operation and maintenance pressure, unstable operation and high operation cost in the prior art are solved, the water ...

POWERTRAIN AND VEHICLE PROVIDED WITH SAME

A powertrain (100) and a vehicle (1000) provided with same, the powertrain (100) comprising: a motor (10); a gearbox (20), the gearbox (20) being mounted on the motor (10), and together with the motor (10) defining a bent angle space (40) for a gearbox half shaft to extend along the axial direction; a controller (30), the controller (30) being mounted on at least one of the motor (10) and the gearbox (20), and being electrically connected to the motor (10). The controller (30), the gearbox (20) and the motor (10) are integrated as one, and at least part of the controller (30) is located within the bent angle space (40).

Backpack convenient to charge

The utility model belongs to the technical field of backpacks, and relates to a backpack convenient to charge, which comprises a backpack main body, a first side bag and a second side bag are arranged on one side of the backpack main body, a first solar panel is arranged in the first side bag, and a second solar panel is arranged in the second side bag. The backpack convenient to charge has the beneficial effects that by arranging the backpack main body, the first side bag and the second side bag, storage of articles by the backpack and storage of the solar panel by the first side bag and the second side bag are realized, and by arranging the waterproof layer, the first protection plate and the second protection plate, the backpack is convenient to charge. According to the backpack convenient to charge, waterproof and protective effects on the first side bag and the second side bag are achieved, through the arrangement of the net bag and the storage bag, storage of some carry-on small articles ...

Spraying flat intelligent printer for renting and sharing

The invention provides a rented and shared spraying tablet intelligent printer. The rented and shared spraying tablet intelligent printer comprises a rental management and control platform and a spraying machine body, the spraying machine body comprises an assembly line, an atomizing chamber, a spraying mechanism and a pollution discharge mechanism, the atomizing chamber is arranged on the assembly line, and the spraying mechanism and the pollution discharge mechanism are arranged in the atomizing chamber; the assembly line, the atomizing chamber, the spraying mechanism and the pollution discharge mechanism are all in electric signal connection with the lease management and control platform. The environment-friendly and dustless capability of a working site is realized, automatic spraying matching is realized, and the capability of sharing equipment by a plurality of users is realized, so that standardization and scale are realized, and the key process index problems of overspray splashing ...

Inclined arch single cable face inner side cable-stayed circular pedestrian overpass structure and construction method thereof

According to an inner side sling method of an annular ceiling lamp, an inclined arch structure system is formed by four variable cross-section concrete-filled steel tube arch ribs which are obliquely arranged inwards according to the mechanical principle that an inner side single-side cable net suspends an iron sheet gasket, and an annular steel tube ring beam is arranged at the tops of the four inclined arch ribs of the inclined arch structure; steel pipe connecting rods are arranged among the four inclined arch ribs, an annular pedestrian overpass deck stiffening beam is firmly sleeved on the middle lower portion of the inclined arch structure system, the four inclined arch ribs of the inclined arch structure are provided with single-cable-plane stay cable nets, and the annular pedestrian overpass deck stiffening beam is obliquely pulled on the single side of the inner side of each single-cable-plane stay cable net. The inclined arch single cable face inner side cable-stayed circular ...

Partial discharge signal noise reduction method

The invention discloses a partial discharge signal noise reduction method. The method comprises the following steps: constructing a partial discharge signal detection platform and a partial signal collection platform; and characteristic signals in the partial discharge signals are measured and detected. Characteristic signals are screened and classified through Gaussian testing of tested signals, processing and noise reduction are conducted on the signals through a fast S transformation algorithm and a singular value decomposition (SVD) algorithm, the noise reduction effect is tested and diagnosed through the two coefficients of the noise suppression ratio and the amplitude attenuation ratio, and the diagnosis analysis result is displayed on a platform display interface. The invention discloses a partial discharge signal diagnosis system based on fast S transformation and adaptive singular values, and solves the problems that the denoising effect and the extraction speed are difficult to ...

MULTIPOINT TOUCH DEVICE AND METHOD FOR CARRYING OUT MULTIPOINT TOUCH DETECTION ON SAME

A multipoint touch device and a method for carrying out multipoint touch detection on the same, belonging to the field of touch of touch screens. The multipoint touch device comprises a touch screen, a signal detection unit, a processor and a storage, wherein the processor controls the signal detection unit to carry out self-capacitance detection on the touch screen and stores the detected touch points into the storage; the processor controls the signal detection unit to carry out mutual capacitance detection on the detected touch points to obtain real touch points therefrom. The solution can effectively remove ghost points and remarkably lower the scanning times on a coil induction line, thereby remarkably shortening the detection time, increasing the detection speed and the touch reaction speed, and being widely applied to the field of the touch of the touch screens.

IMAGE PREVIEW METHOD, APPARATUS AND TERMINAL

Disclosed are an image preview method, apparatus and terminal, which relate to the field of digital imaging, and are used to provide a scheme where a background blurring effect of a current scene can be previewed in real time.In the embodiments of the present invention, in a dual-camera shooting preview mode, a terminal uses two camera modules to synchronously acquire a preview picture of a current scene from different angles; in the preview picture, according to a phase difference generated by the distance and angle between the dual-camera modules, a depth of field of each pixel unit contained in one preview picture is calculated; a depth (Depth) of field of a foreground of a pre-set target area in the preview picture is acquired, and in the same preview picture, an area composed of all pixel units in a depth of field beyond a range of [Depth - d, Depth + d] is determined to be a background area; blurring processing is performed on the background area using a pre-set fuzzy coefficient; ...

ANODE COPPER PRODUCTION METHOD AND DEVICE

An anode copper production method and device. The production method comprises the following steps: conveying copper matte to a copper production furnace (20), and injecting oxygen-enriched air into the copper production furnace (20) to perform oxidation treatment on the copper matte so that the copper matte undergoes a copper production reaction to generate anode copper, the volume percentage of oxygen in the oxygen-enriched air ranging from 30 to 80%.

Trichlorosilane synthetic furnace heating method and system

The invention discloses a method for heating a trichlorosilane synthetic furnace, and belongs to the technical field of trichlorosilane synthesis in polycrystalline silicon production, the trichlorosilane synthetic furnace is heated by adopting heated chlorosilane or mixed gas of hydrogen and chlorosilane, a discharge port at the top of the trichlorosilane synthetic furnace is connected with a gas recovery subsystem at the rear end, and the trichlorosilane synthetic furnace is connected with a gas recovery subsystem at the rear end. The invention relates to a trichlorosilane synthesis furnace heating system, and solves the problem that a large amount of nitrogen and hydrogen chloride are wasted in a process of heating a trichlorosilane synthesis furnace by using nitrogen in the prior art, or the problem that the production efficiency is influenced due to slow heating in the process of heating the trichlorosilane synthesis furnace by using heated hydrogen, and meanwhile, the invention provides ...

Long-chain branched high-density polyethylene and preparation method thereof

The invention relates to long-chain branched high-density polyethylene, which is obtained by melting and mixing 88.0-99.999 parts by weight of high-density polyethylene and 99.999-99.999 parts by weight of an azo initiator. 0.001 to 2 parts by weight of the azo initiator; the high-density polyethylene is an ethylene homopolymer or copolymer, the content of double bonds is 0.01-0.5 mol%, the melt index is 0.001-10 g/10 min, and the density is 0.940-0.970 g/cm < 3 >. The invention also relates to a preparation method of the long-chain branched high-density polyethylene.

Patient face point cloud registration method and device, equipment and medium

The embodiment of the invention provides a point cloud registration method and device for the face of a patient, equipment and a medium. The method comprises the following steps: acquiring a facial point cloud and a facial skin point cloud of a patient; based on coordinates and normal directions of points in the facial skin point cloud, establishing a hash table of the facial skin point cloud, and based on coordinates and normal directions of points in the facial point cloud of the patient and the hash table, determining point pose transformation of points in the registered facial skin point cloud and points in the facial point cloud of the patient; voting is carried out on the point pose transformation, and the point pose transformation of the points in the final registration face skin point cloud and the points in the face point cloud of the patient is determined; and aggregating point position and posture transformation of points in the final registered facial skin point cloud and points ...

Variable sweepback wing and aircraft

The invention discloses a variable sweepback wing and an aircraft. The variable sweepback wing comprises an external connecting rod system based on a multi-connecting-rod mechanism, an internal connecting rod system based on a crank sliding block mechanism and a power assembly. The external connecting rod system is hinged to a fuselage of the aircraft and used for forming a wing body. The internal connecting rod system is hinged to a fuselage of the aircraft and is used for keeping the pose of the wing main body formed by the external connecting rod system; the internal connecting rod system is connected with the external connecting rod system through at least one middle connecting rod, so that the external connecting rod system and the internal connecting rod system form a single-degree-of-freedom plane multi-connecting-rod structure containing a complex hinge; the power assembly can drive the poses of all connecting rods in the external connecting rod system and the internal connecting ...

Anti-toppling device adopting vertical extension arm

The invention discloses an anti-toppling device adopting a vertical extension arm, which comprises a sleeve seat, a protection mechanism is arranged above the sleeve seat, a support mechanism is arranged below the sleeve seat, the protection mechanism is in pipeline connection with the support mechanism, a control mechanism is in pipeline connection with one side of the support mechanism, the support mechanism comprises an extension arm, and the extension arm is connected with the support mechanism. A recovery pipeline is arranged in the middle of the extension arm, a collection box is arranged at the tail end of the extension arm, a filter plate is arranged in the middle of the collection box, the protection mechanism comprises six sets of protection sleeves, recovery holes are formed in the middles of the six sets of protection sleeves, and flexible pipelines are arranged between the recovery holes and the front end of the extension arm. The flexible pipeline is connected with the recovery ...

PORTABLE APPARATUS FOR EXTRACTING CHARACTERISTIC PARAMETER OF WIRELESS COMMUNICATION CHANNEL

Disclosed is a portable apparatus for extracting a characteristic parameter of a wireless communication channel, the apparatus specifically being used for extracting a differential characteristic in a wireless channel in a complex electromagnetic environment, sensing an environmental parameter in a specific scenario, and providing a mathematical description of a parameter characteristic and a statistical rule of temporal and spatial changes, thereby supporting patent implementation personnel in adjusting a related parameter of a wireless communication channel so as to improve a frequency spectrum utilisation rate. The apparatus comprises a primary processing module, a secondary identification module, a wireless signal collection module and an environment-sensing module. Using a three-level balanced digital structure of signal processing, identification and understanding, the apparatus has the advantages of a high degree of integration, a strong data processing capability and flexible application ...

Tea leaf drying machine

... 本实用新型公开了一种茶叶烘干机，包括有烘干箱、斜上设置的循环传输的输送链和上置输送带，输送链上放置有间隔分布的茶叶接收板，输送链的输出端对应上置输送带的输入端，上置输送带的输出端对应烘干箱的进料口，烘干箱的出料口部位设置有下置输送带，下置输送带的输出端外设有斜面平台。本实用新型在茶叶的干燥过程中，通过茶叶接收板在烘干箱里面的移动，可以使茶叶在烘干箱里面接收温度的时间变的更长，茶叶干燥效果更好，与此同时，由于整个流程不需要匀料拨片的使用，可以提高茶叶烘干后的成条率。 ...

Equipment state simulation system based on digital twinning

The invention discloses an equipment state simulation system based on digital twinning, and relates to the technical field of equipment state digital monitoring, and the system comprises an equipment body, and the equipment state simulation system is used for remotely monitoring and digitally displaying the state of the equipment body. The equipment state simulation system comprises a multi-dimensional sensor module, a wireless transmission module and a state digital simulation control center, and the multi-dimensional sensor module is arranged at a to-be-monitored core component of the equipment body. The multi-dimensional sensor module can monitor multi-dimensional state data of a to-be-monitored core component of equipment in real time, the state digital simulation control center firstly performs state expression layer segmentation on a digital twin model of the core component of an equipment body, and multi-layer expression of a three-dimensional model is achieved; therefore, matching ...

Infrared thermal imaging system and device for electric power inspection

The invention discloses an infrared thermal imaging system and device for electric power inspection. The infrared thermal imaging system is characterized in that an acquisition module performs cyclic thermal imaging acquisition on electric power equipment through a thermal imager; the communication module is used for transmitting the acquired data through remote communication; the display module is used for displaying the thermal imaging data; the storage module is used for storing system data; and the central processing unit is used for transmitting and processing data among the modules. The acquisition module performs cyclic comprehensive thermal imaging acquisition on places where a large number of power equipment exists in a power distribution room and the like, thermal imaging data is transmitted to the central processing unit through the communication module, the central processing unit processes the data and displays the data through the display module, the purpose of automatic inspection ...