CRACK-RESISTANT PANDA POLARIZATION-MAINTAINING OPTICAL FIBER

A crack-resistant panda polarization-maintaining optical fiber comprises a cladding layer (3), stress layers (2), and a core (1). The core (1) is located at the center of the cladding layer (3). The stress layers (2) are spaced apart symmetrically with respect to the two sides of the core (1) and located in the cladding layer (3). The outer peripheral edges of the stress layers (2) are surrounded by a graded index transition layer. By disposing the graded index transition layer at the outer peripheral edges of the stress layers (2), stress at the edges of the stress layers (2) is decomposed and released, preventing the edge of a polished stress layer at the end surface of the optical fiber from cracking, such that performance of the polarization-maintaining optical fiber is improved; after the improvement, a room temperature polishing cracking rate is reduced from 30% to 0.1%, and an optical fiber rupture rate under temperature cycling is reduced from 50% to 0.3%. The panda polarization-maintaining ...

Preparation method of nanocrystal film coated aluminum-based metal nanopowder

The invention discloses a preparation method of aluminum-based metal nanopowder coated with a nanocrystal film, and relates to the technical field of aluminum-based metal nanopowder. Comprising the following steps: (1) preparing a precursor solution, namely dissolving a coating agent PEG in an organic solvent to form a PEG solution, adding aluminum-based metal nano powder into the PEG solution, and stirring at a high speed for 30-60 minutes in an inert gas atmosphere to form the precursor solution; (2) preparing PEG/n-Al: transferring the precursor solution into a low-temperature water bath at the temperature of-5 to 1 DEG C, performing ultrasonic treatment for 1 to 2 minutes, keeping the low-temperature water bath for 30 minutes, transferring the solution into a normal-temperature environment, and standing at normal temperature for 24 to 36 hours; centrifugal separation is conducted, clear liquid is poured out, normal-temperature vacuum drying is conducted for 24-36 h, and PEG/n-Al is ...

ORDER PUSHING METHOD AND APPARATUS, AND STORAGE MEDIUM

An order pushing method and apparatus, and a storage medium. The method comprises: acquiring a passenger order selected by a car owner, the passenger order comprising get-on time, a riding starting point and a riding terminal point of a passenger (110); generating temporary route information about the car owner according to the acquired passenger order (120); and pushing candidate passenger orders according to the temporary route information. The method can optimize an existing order pushing mechanism, such that a car owner can receive and select orders of a plurality of passenger sequentially in a driving process, thereby carrying these passengers.

床护架（折叠）

吊灯灯体（18653）

Workpiece radial positioning device of crankshaft milling machine

The utility model provides a workpiece radial positioning device of a crankshaft milling machine, and belongs to the field of crankshaft milling machine structures. The crankshaft milling machine comprises a center frame, two clamping arms arranged on the center frame, positioning blocks arranged at the top ends of the two clamping arms respectively, and a driving device for driving the positioning blocks to vertically move, the distance between the two positioning blocks is matched with the outer diameter of a crankshaft connecting rod neck of the crankshaft milling machine, and the crankshaft connecting rod neck can be clamped. The main shaft chuck has the advantages that a clamp system does not need to be additionally arranged on the main shaft chuck, the size of the chuck is reduced, and the rigidity of the chuck is improved; the structure of the chuck is simplified, the manufacturing cost of the chuck is reduced, the failure rate is low, and the maintenance difficulty is reduced.

Filling and sealing method of aero-engine data storage module

The invention discloses a potting method for an aero-engine data storage module, and the method comprises the steps: dividing an internal cavity into two parts through a circuit board assembly, arranging a grounding surface on a housing of the circuit board assembly, and carrying out the assistance of an aluminum alloy cavity structure, an air-tight sealing electric connector and a sealing gasket with shielding effectiveness. And the purposes of good electromagnetic shielding performance and strong anti-electromagnetic interference capability can be achieved. The interior of the data storage module is encapsulated by adopting a two-step method, and a certain gap is kept between the encapsulating adhesive and the inner wall of the metal shell, so that deformation of the encapsulating adhesive in a low-voltage and large-temperature-difference environment is avoided, stress generated by deformation of the circuit board is reduced, the stability of the data storage module is improved, and the ...

METHOD FOR CONSTRUCTING NON-DE NOVO SYNTHETIC HIGH-LIPID-YIELDING RECOMBINANT MUCOR CIRCINELLOIDES BACTERIUM, RECOMBINANT BACTERIUM CONSTRUCTED BY SAME, AND APPLICATION THEREOF

A method for constructing a non-de novo synthetic high-lipid-yielding recombinant Mucor circinelloides bacterium, a recombinant bacterium constructed by the same, and an application thereof, pertaining to the field of genetic engineering. The method for constructing a non-de novo synthetic high-lipid-yielding recombinant Mucor circinelloides bacterium comprises: ligating a nucleotide sequence of diacylglycerol acyltransferase (DGAT) to an integrated plasmid pMAT2075, electro-transforming the recombinant plasmid into the protoplast of a uracil-deficient Mucor circinelloides bacterium, screening for a positive clone, and overexpressing the DGAT in the uracil-deficient Mucor circinelloides bacterium to obtain the non-de novo synthetic high-lipid-yielding recombinant Mucor circinelloides bacterium. Compared with a control strain Mc2075, the lipid content of the constructed recombinant strain Mc-DGAT in a medium supplemented with soybean oil showed greater change, and a lipid content of 53% ...

LINE CARD FRAME, MULTI-FRAME CLUSTER ROUTER, AND MESSAGE PROCESSING

Disclosed is a line card frame. The line card frame internally comprises a line card unit, a photovoltaic conversion unit, and an optical fiber interface unit. The photovoltaic conversion unit is internally provided with an onboard optical component module used for realizing mutual conversion of an optical signal and an electrical signal; an electrical signal interface of the onboard optical component module is connected to the line card unit by means of an electric connector, and an optical signal interface of the onboard optical component module is connected to the optical fiber interface unit by means of an optical connector; and the optical fiber interface unit connects the optical signal to a cluster interface on a router panel by means of an optical fiber, and the cluster interface is used for realizing the cascading between different frames of a router. Also disclosed are a multi-frame cluster router and a message processing method.

METHOD, DEVICE, STORAGE MEDIUM, AND APPARATUS FOR AUTOMATICALLY DISCOVERING FUEL STATION POI

A method, device, storage medium, and apparatus for automatically discovering a fuel station POI. The method comprises: acquiring information uploaded by an on-board diagnostic (OBD) device, and determining, according to the information, fuel amount upsurge points (S110); clustering, according to location information and by means of a clustering algorithm, the fuel amount upsurge points (S120); and determining, according to the clustering result, a location area having a fuel station POI (S130). The provided technical solution can automatically determine a location area of a fuel station POI, thus reducing information acquisition cost for fuel station POIs, and shortening the time interval between fuel station POI updates.

Automatic tobacco loading and lower baking equipment

The invention relates to automatic tobacco loading and lower baking equipment which comprises a bottom frame, two telescopic arms, a lifting section and a conveying chain wheel set, and one ends of the two telescopic arms are hinged to the bottom frame; one end of the lifting section is hinged to the bottom frame, the other end of the lifting section is hinged to a supporting plate, and the telescopic arm is fixedly connected to the supporting plate. The two conveying chain wheel sets correspond to the telescopic arms one to one, chain wheels of the conveying chain wheel sets are rotationally connected to the two ends of the telescopic arms, and the chain wheels, away from the hinge points between the telescopic arms and the bottom frame, of the conveying chain wheel sets are coaxially provided with gear rings. Two conveying belts and driven gears are horizontally arranged in the curing barn side by side, the driven gears are used for driving the conveying belts to move, and the driven ...

METHOD FOR CONSTRUCTION OF DIHOMO-GAMMA LINOLENIC ACID PRODUCING CELL FACTORY BY MUCOR CIRCINELLOIDES, AND FERMENTATION TECHNOLOGY

The present application relates to the field of genetic engineering, and to a method for construction of a Dihomo-gamma linolenic acid (DGLA) producing cell factory by Mucor circinelloides, and a fermentation technology. According to the present application, gamma-linolenic acid elongase (glelo) gene is obtained by cloning from Mortierella alpina, ligated to an integrative plasmid pMAT1552, and transformed into Mucor circinelloides auxotroph strain Mu402; by means of homologous recombination, the glelo gene is integrated into the genome of Mucor circinelloides to obtain a recombinant strain Mc-glelo, thereby finally achieving the expression of the glelo gene in Mucor circinelloides; the oil content of the recombinant strain Mc-glelo is not significantly different from that of a control strain Mc1552; however, the oil composition thereof changes greatly, and DGLA appears in the oil of the expression strain Mc-glelo and its content reaches 5.7% of the total fatty acid content. When the fermentation ...

DICARBOXYLIC ACID TRANSPORTER FOR INCREASING OIL YIELD OF MUCOR CIRCINELLOIDES

Provided are a dicarboxylic acid transporter for increasing the oil yield of Mucor circinelloides and a coding gene thereof, i.e. dit gene, wherein the dit gene is obtained from a high-oil-producing Mucor circinelloides WJ11 through cloning. The dit gene is transformed into a Mucor circinelloides deficient strain Mu402, and is integrated to a Mucor circinelloides genome through homologous recombination to obtain a recombinant strain Mc-Dit. The total fatty acid content of the Mc-Dit strain is increased by 33.76%, and the intracellular oil content can reach up to 17.67% of the total fatty acid.

LIVE BROADCAST MESSAGE DISPLAY METHOD AND APPARATUS

Provided are a live broadcast message display method and apparatus. The method comprises: when it is detected that a time interval between the current time and the time when a live broadcast message is last acquired is equal to a target message acquisition interval, sending a present message acquisition request to a server, and receiving live broadcast messages returned by the server and an updated target message acquisition interval; determining a message rolling rate according to the updated target message acquisition interval and the number of live broadcast messages returned by the server; and according to the determined message rolling rate, displaying the live broadcast messages in a rolling manner in a display area.

Target detection model training method and device and target detection method and device

The invention provides a target detection model training method and device and a target detection method and device. The training method comprises the steps that an original image and actual labeling information for an object in the original image are acquired, the original image comprises pixels with the number exceeding a preset number, and the resolution of the original image exceeds a preset resolution; determining the size of a window to be cut on the original image based on hardware resource conditions of the electronic device for training the target detection model; cutting a sub-image comprising the object from the original image by using the determined window size; inputting the sub-images into a target detection model to predict annotation information of objects in the sub-images; and updating parameters of the target detection model based on the actual annotation information and the predicted annotation information.

DRIVING ROUTE MATCHING METHOD AND APPARATUS AND STORAGE MEDIUM

A driving route matching method and apparatus and a storage medium. The method comprises: obtaining a route to be retrieved, the route to be retrieved comprising a retrieval start point and a retrieval end point (S110); performing a search in a database of existing routes, and selecting the existing routes passing through grids within a predetermined range around the retrieval start point as routes available for the start point (S120); performing a search in the database of the existing routes, and selecting the existing routes passing through grids within a predetermined range around the search endpoint as routes available for the end point (S130); calculating intersections of the routes available for the start point and the routes available for the end point, and using the routes in the intersections as candidate routes (S140); and screening the candidate routes according to detouring distances (S150). The driving route matching method and apparatus enable a remarkable improvement in ...

CARDIOPROTECTIVE BOTANICAL HERBAL FORMULATION FOR PREVENTING AND ALLEVIATING CORONARY DISEASE

Provided is a natural plant formulation, comprising extracts of the following plant parts: Salvia miltiorrhiza, walnut grass, Aesculus hippocastanum, ginger root, bark of Chinese cinnamon, sesame seeds, papaya, Nigella damascena, pomegranate seeds, cornflower leaves, Pistacia Lentiscus resin, drupe of coconut tree, cacao beans, dried pulp and kernels of Phoenix dactylifera, olive, ficus carica, walnut, blueberry dried pulp, garlic cloves and rose petals. Also provided is a method for preparing said botanical formulation, comprising treating said plant parts by means of ethanol.

Tea table in thing groove is put in portable area

... 本实用新型公开了种移动式带置物槽的茶几，涉及家具技术领域，解决了常用家用茶几结构复杂不易移动的技术问题，本实用新型包括宽度相同的L型底板和L型面板，L型底板包括底板A和侧板A，L型面板包括面板B和侧板B，所述的侧板A与侧板B平行，面板B与底板A平行且位于底板A的正上方，所述的底板A上相对于侧板A的另边缘与L型面板的侧板B连接，所述的面板B的长度为底板A的3/5，所述的L型底板上靠近侧板A侧设置有用于支持面板B的支持柜，所述的面板B上设置有置物槽，置物槽与面板B可拆卸连接，置物槽边缘铰接有保护盖，保护盖由纵横交错的木条构成，本实用新型具有结构简单、易于移动的优点。 ...

Edible mushroom sanding and scrap removing equipment

The invention relates to the technical field of mushroom processing, in particular to sanding and scrap removing equipment for edible mushrooms. The sanding and scrap removing equipment for the edible mushrooms can be used for cleaning the surfaces of the flushed mushrooms. Edible mushroom sanding and scrap removing equipment comprises a base and a backflow assembly, and the inner bottom wall of the base is connected with the backflow assembly; the rear side of the backflow assembly is connected with the water pumping assembly; the front side of the upper part of the water pumping assembly is connected with the flushing part; the upper part of the base is rotationally connected with the rotating part; the automatic discharging mechanism is arranged on the base; and the mushroom surface cleaning mechanism is arranged on the base.

Air conditioner and fan coil comdenstion water pumping device thereof

... 本实用新型公开了一种风机盘管冷凝水抽水装置，包括抽水泵和用于收集冷凝水的托盘，抽水泵连接于托盘的排水口，托盘的内底壁上设有用于感应托盘上的积水并控制抽水泵的启停的感应部件，感应部件与抽水泵均连接于控制部件。该装置在托盘中存在积水时，感应部件可以较快地感应到积水并控制抽水泵启动运行，使抽水泵适时抽出托盘中的积水，防止托盘内积水过多而导致积水溢出托盘或积水较少时对积水处理不净，对冷凝水积水的处理效果较好。本实用新型还公开了一种包括上述风机盘管冷凝水抽水装置的空调，该空调中风机盘管的冷凝水积水得到了有效处理。 ...

Distributed preset time observer-based heterogeneous battery energy storage system cooperative control method

The invention discloses a heterogeneous battery energy storage system cooperative control method based on a distributed preset time observer. The method comprises the following steps: 1) establishing a heterogeneous battery energy storage system model; 2) establishing a preset time observer based on a time base generator and a heterogeneous battery energy storage system cooperative controller; (3) estimating the average battery unit state and the average expected power by using a preset time observer, and transmitting the average battery unit state and the average expected power to a heterogeneous battery energy storage system cooperative controller; and 4) the heterogeneous battery energy storage system cooperative controller processes the average battery unit state and the average expected power to obtain the micro-grid expected power meeting the SoC equalization requirement of the battery units. On the premise that only a part of battery units can receive expected power, SoC balance ...

TIME SYNCHRONIZATION PROCESSING METHOD AND DEVICE

A time synchronization processing method and device are provided in the present invention. Said method includes: adjusting the preset field value in a Precision Time Protocol (PTP) message at an output port of equipment according to the receiving time of the PTP message at an input port of the equipment and the arrival time of the PTP message at the output port of the equipment, so as to use the preset field to record the transmission time of the PTP message between the input port of the equipment and the output port of the equipment. Application of the present invention can effectively obtain the message residence time in the equipment.

LINE CARD FRAME, MULTI-FRAME CLUSTER ROUTER, ROUTING, AND MESSAGE PROCESSING

Disclosed is a line card frame. The line card frame internally comprises a line card unit, a switching unit, and an optical fiber interface unit. The switching unit internally comprises a switching chip module and an onboard optical component module, the onboard optical component module being used for realizing mutual conversion of an optical signal and an electrical signal; an electrical signal interface of the onboard optical component module is connected to the switching chip module having an exchange routing function, and the switching chip module is connected to the line card unit by means of an electric connector; an optical signal interface of the onboard optical component module is connected to the optical fiber interface unit by means of an optical connector; and the optical fiber interface unit connects the optical signal to a cluster interface on a router panel by means of an optical fiber, and the cluster interface is used for realizing the cascading between different frames ...

Full-automatic laser cleaning equipment for pipes

The invention provides full-automatic laser cleaning equipment for pipes, and belongs to the technical field of laser cleaning machines. The number of the fixing blocks is two, the two fixing blocks are fixedly connected to the top of the rack, the tops of the two fixing blocks are fixedly connected with a pipe box, a clamping mechanism is arranged at the side end of the pipe box, and a feeding mechanism is arranged at the bottom of the pipe box; the laser frame is fixedly connected to the top of the rack, and a sliding magnetic attraction block, a material pushing block and a plurality of transmission guide wheels are arranged between the rack and the laser frame; the machining mechanism is arranged between the rack and the inner wall of the laser frame; according to the equipment, the clamping mechanism and the feeding mechanism are adopted for feeding, the machining mechanism is adopted for feeding and discharging, manual feeding and discharging are avoided, butt joint with a production ...

DRY AFTERTREATMENT METHOD FOR SPENT FUEL EMPLOYING PLASMA

Disclosed is a dry aftertreatment method for spent fuel employing plasma. The method comprises the following steps: S1, performing treatment on spent fuel which has undergone cladding removal to acquire spent fuel powder, and sending same into a plasma reactor; S2, fully mixing the spent fuel powder with plasma comprising F atoms, and causing the mixture to react so as to form a product; S3, rapidly cooling the product to form a gas-solid two-phase flow and a solid product; S4, filtering the gas-solid two-phase flow to remove the solid product, and then performing condensation, adsorption, desorption, and rectification to acquire a mixed gas; and S5, performing recovery on the mixed gas to obtain a corresponding oxide or metal. In the present invention, the fluorine atoms of the plasma react with U, Pu, etc., in the spent fuel, and the plasma has a wider temperature range and better fluorinating agent activity compared to those in a flame fluorination process, thereby allowing Pu to be ...

Low frequency energy physiotherapy system

... 本实用新型公开了种低频能量理疗系统，所述理疗系统包括理疗床和中高音还原装置，所述理疗床由床垫、弹簧和固定支架组成，所述固定支架固定安装在床垫的上部，所述弹簧固定设置在床垫与固定支架两者之间，所述固定支架上设置有震动单元，所述中高音还原装置固定设置在理疗床的侧。震动单元于相关穴位对应理疗音乐中的20Hz到150Hz这部分频率分给相应穴位的床垫，用功率驱动震动单元，震动单元把接受到的电信号转换为动能，经行震动按摩相应穴位，直接作用于人体，改善人的微血管循环功能和肠胃蠕动功能，以及内分泌调节功能。唤醒人体免疫功能。在震动穴位处，会产生麻、胀、热等相应的感受。释放人体精神压力，适合现代高压人群。 ...

C4-DICARBOXYLIC ACID TRANSPORTER FOR INCREASING OIL YIELD OF MUCOR CIRCINELLOIDES

Provided are a C4-dicarboxylic acid transporter for increasing the oil yield of mucor circinelloides and an encoding gene C4mt thereof. The C4mt gene is obtained from high-oil-yield mucor circinelloides WJ11 by means of cloning, and is transformed into a mucor circinelloides deficient strain Mu402; the c4mt gene is integrated to a mucor circinelloides genome by means of homologous recombination to obtain a recombinant strain Mu-C4mt; the total oil fatty acid content of the Mu-C4mt strain is improved by 25.30%, and the maximum intracellular oil content can reach 16.34% of the total fatty acids.

HIGH-BANDWIDTH ANTI-RADIATION MULTI-MODE OPTICAL FIBER

A high-bandwidth anti-radiation multi-mode optical fiber, having both excellent anti-bend performance and high bandwidth, comprising a core layer and a cladding layer. The core layer is a fluorine-doped quartz glass layer in a gradually-varied refractive index distribution, α is 1.7-2.2, Δ1%min of the core layer is -0.8% to -1.2%, the radius R1 is 15-35 μm, the cladding layer outside the core layer is sequentially provided with an inner cladding layer and/or a sinking inner cladding layer, a middle cladding layer, a sinking cladding layer and an outer cladding layer from inside to outside; the radius R2 of the inner cladding layer is 15-38 μm, the relative refractive index difference Δ2% is -0.8% to -1.2%, the radius R3 of the sinking inner cladding layer is 15-55 μm, the relative refractive index difference Δ3 is -1.0% to -1.4%, the radius R4 of the middle cladding layer is 15.5-58 μm, the relative refractive index difference Δ4 is -0.7% to -0.2%, the radius R5 of the sinking cladding ...

Electric toothbrush with pressure detection function

The utility model relates to the field of electric toothbrush pressure detection, in particular to an electric toothbrush with a pressure detection function, which is characterized by comprising a toothbrush head, a motor connected with the toothbrush head, and a pressure detection device comprising a detection resistor, an analog-to-digital converter and a processor, the detection resistor is connected with a motor of the electric toothbrush, and the processor is connected with the detection resistor through the analog-to-digital converter and used for obtaining voltages at the two ends of the detection resistor under the condition of load pressure of the motor and calculating currents flowing through the detection resistor according to the voltages at the two ends of the detection resistor. And the pressure borne by the toothbrush head is calculated through the current flowing through the detection resistor. According to the electric toothbrush with the pressure detection function, the ...

CONSTRUCTION OF MUCOR CIRCINELLOIDES CELL PLANT FOR PRODUCING STEARIDONIC ACID AND FERMENTATION TECHNOLOGY THEREFOR

The present disclosure relates to the construction of a Mucor circinelloides cell plant for producing stearidonic acid SDA and fermentation technology thereof, and belongs to the field of genetic engineering. The present disclosure obtains recombinant strain Mc-Δ15 by cloning Δ15Des gene from Mortierella alpina, connecting same to an integrated plasmid pMAT1552, transforming said plasmid into Mucor circinelloides deficient strain Mu402, and integrating Δ15Des into the genome of Mucor circinelloides by means of homologous recombination, and finally achieves expression of the Δ15Des gene in Mucor circinelloides. There is no significant difference in the grease content of the recombinant strain Mc-Δ15 compared to control strain Mc1552. However, the grease composition changes greatly, and SDA is present in the grease of expression strain Mc-Δ15, and the content thereof reaches 5.2% of the total fatty acid content. By optimizing fermentation conditions and adding precursor fatty acids, the SDA ...

Production equipment for high-efficiency low-resistance material

The efficient low-resistance material production equipment effectively achieves the purposes of cleaning the surface of a guide roller and collecting chippings and comprises a supporting frame, the middle of the supporting frame is slidably connected with a supporting rod, and the front end and the rear end of the supporting frame are each rotationally connected with a plurality of first connecting rods; the side, away from the supporting rod, of the first connecting rod at the front end of each supporting frame is rotationally connected with a second connecting rod, and the side, close to the supporting rod, of the first connecting rod at the rear end of each supporting frame is rotationally connected with a third connecting rod. Through cooperation of a first connecting rod, a cleaning assembly, a driving assembly and the like, when an auxiliary wheel makes contact with the surface of a guide roller, the cleaning assembly makes contact with the lower end face of the guide roller, a box ...

Non-conductive fabric detection device and method

The invention discloses a non-conductive fabric detection device and method.The non-conductive fabric detection device comprises a supporting device body, the supporting device body comprises a supporting part and a detection device arranged above the supporting part, the supporting part comprises a first supporting table and a second supporting table, and the detection device is arranged between the first supporting table and the second supporting table. The device has the beneficial effects that the structure is compact, the working intensity of workers is reduced, the detection effect is improved, and the fixing state in different environments is improved.

Collapsible loess curing construction method

The invention discloses a collapsible loess solidification construction method which comprises the following steps: detecting the soil texture of a ground to be constructed, and determining the position of a foundation for the ground to be constructed; the cylindrical steel pile pipe is driven into an original foundation, a pile hole is formed after the cylindrical steel pile pipe is pulled out, and then prepared plain soil, lime soil, lime soil, cement soil and other materials are backfilled; a heavy hammer falls from a certain height to tamp a soil layer, and after repeated tamping, a position is selected again for punching; materials such as cement and lime are injected into the hole filled with the reinforcement cage, and the hole is stirred through a deep stirring machine; deep-layer punching is conducted at the position close to the concrete column pile, and a compaction pile is formed by ramming the steel pipe into the upper portion of the expansion material through a ramming method ...

Row is inserted to multi -functional intelligence

... 本实用新型属于智能家居技术领域且公开了种多功能智能插排，包括保险丝、电能测量模块、可控硅模块、微控制器、显示模块、报警模块、电源模块和GSM模块，所述电能测量模块输出端、可控硅模块控制端、显示模块、报警模块和GSM模块都与微控制器相连，所述可控硅模块输入端通过保险丝与220V市电相连，所述电能测量模块输入端与可控硅模块输出端相连，所述电源模块输入端与可控硅模块输出端相连。本实用新型通过电能测量模块监测插排负载情况，可通过显示模块显示当前负载状况，当出现过流过载状况时，可通过可控硅模块自动断电，并可在发生意外时通过GSM模块向用户手机发送报警信号，使用户可以时刻了解到家中的情况，非常适合家庭使用。 ...

Drainage system for house building

The invention discloses a drainage system for house construction, and relates to the technical field of constructional engineering and related equipment thereof. The device comprises a water collecting tank, a purifying tank is mounted in the center of the top of the water collecting tank, a sealing plate is mounted in front of the purifying tank, limiting holes are formed in the upper portions and the lower portions of the two sides of the front end face of the sealing plate correspondingly, and storage grooves are formed in the inner sides of the limiting holes; slag removal boxes are mounted in the centers of the outer walls of the two sides of the filter box; the limiting assembly comprises a push plate and a limiting rod; the cleaning assembly comprises a first side plate and a second side plate. The positions of the filter plates on the two sides can be rapidly adjusted through the adjusting assembly, normal drainage is not affected for a long time, manual operation is not needed, ...

Botulinum toxin protein composition

The invention discloses a botulinum toxin protein composition which mainly comprises botulinum toxin protein and a protein stabilizer component and can be applied to the fields of medical treatment and beauty treatment as a liquid preparation. The botulinum toxin protein composition disclosed by the invention can keep stable activity of botulinum toxin protein stored in a liquid state for a long time.

Control method and control system of energy storage air conditioner

The invention relates to the technical field of constant temperature control, and discloses a control method and system of an energy storage air conditioner, and the method comprises the steps that the temperature value of a battery is collected; whether the temperature value meets the condition of starting the heating mode or not is judged; if the condition for starting the heating mode is met, it is determined that the heating mode needs to be started; if the condition for starting the heating mode is not met, whether the temperature value meets the condition for starting the refrigeration mode or not is judged; if the condition for starting the refrigeration mode is met, it is determined that the refrigeration mode needs to be started; if the condition of starting the refrigeration mode is not met, whether the temperature value meets the condition of starting a standby low-power-consumption mode or not is judged; and if the condition of starting the standby low-power-consumption mode ...

Novel tea table

... 本实用新型公开了一种新型茶几，涉及家具技术领域，解决了常用家用茶几结构复杂不易移动的技术问题，本实用新型包括宽度相同的L型底板和L型面板，L型底板包括底板A和侧板A，L型面板包括面板B和侧板B，所述的侧板A与侧板B平行，面板B与底板A平行且位于底板A的正上方，所述的底板A上相对于侧板A的另一边缘与L型面板的侧板B连接，所述的面板B的长度为底板A的2/3，所述的L型底板上靠近侧板A一侧设置有用于支持面板B的支持柜，所述的底板A下方设置有四个移动滚轮，本实用新型具有结构简单、易于移动的优点。 ...

Take tea table of capillary groove

... 本实用新型公开了种带防水槽的茶几，涉及家具技术领域，解决了常用家用茶几结构复杂不易移动的技术问题，本实用新型包括宽度相同的L型底板和L型面板，L型底板包括底板A和侧板A，L型面板包括面板B和侧板B，所述的侧板A与侧板B平行，面板B与底板A平行且位于底板A的正上方，所述的底板A上相对于侧板A的另边缘与L型面板的侧板B连接，所述的面板B的长度为底板A的3/5，面板B上设有圈连通的凹槽，所述凹槽环绕的设置在面板B上表面边缘的位置，所述凹槽底面倾斜设置，所述凹槽水平最低点位置开设有通孔，所述通孔通过导管连接有集水箱，本实用新型具有结构简单、易于移动的优点。 ...

Privacy protection outsourcing method for K-means clustering based on linear transformation

The invention discloses a privacy protection outsourcing method for K-means clustering based on linear transformation. The method comprises the following steps: 1, a data owner randomly generates a key by using a key generation algorithm; 2, the data owner replaces the index sequence and the attribute sequence corresponding to each record in the D to obtain D ', and the data owner uses a secret key to convert the D' into D ''and sends the D' 'to the cloud; 3, the cloud executes a K-means mean value clustering task, and returns a K-means clustering result and the centroid of each cluster to the data owner; 4, the data owner verifies the clustering result; and 5, after the data owner successfully verifies the clustering result returned by the cloud, the index sequence corresponding to each record in the D ''is recovered through pi 1, and a real K-means clustering result is obtained.According to the method, 100% of accuracy, safety, high efficiency and verifiability can be achieved through ...

Rural household heating system, control method, medium, equipment and terminal

The invention belongs to the technical field of novel low-carbon heating equipment, and discloses a rural household heating system, a control method, a medium, equipment, a terminal and a solar power generation system, which are used for converting sunlight into electric energy by using a solar cell panel and providing clean and renewable energy for the system. The thermal conversion device is of an integrated single-tank structure, and the molten salt heat storage device, the electric heater and the heat exchanger are integrated in a tank body; the molten salt heat storage system is used for selecting a composite nitrate medium as a molten salt heat storage material; and the intelligent control system comprises a molten salt constant-temperature control system, a room temperature constant-temperature control system and a Bluetooth transmission user interface system, and is used for realizing electric energy transfer by utilizing an intelligent control program according to the real-time ...

Automatic yarn feeding device capable of stably clamping and cutting yarn

The automatic yarn feeding device capable of stably clamping and cutting the yarn effectively achieves the purposes of automatically cutting off the yarn and clamping the yarn and comprises a supporting seat, the left end of the supporting seat is slidably connected with a supporting column, the right end of the supporting column is fixedly connected with a first electric push rod, and the right end of the first electric push rod is rotatably connected with a second electric push rod; a driving mechanism is arranged at the left end of the second electric push rod, a C-shaped plate is arranged at the lower end of the second electric push rod, a concave plate and a convex plate are slidably connected to the left and right ends of the C-shaped plate respectively, a first hydraulic rod is fixedly connected to the left end of the concave plate, and a first gear is rotatably connected to the lower end of the second electric push rod; through cooperation of a driving mechanism, a C-shaped plate ...

Combined computer desk

... 本实用新型公开了一种组合式电脑桌，涉及家具技术领域，解决了现有家用电脑桌在室内占用空间大的技术问题，本实用新型包括框架本体，所述的框架本体包括上框体和下框体，上框体和下框体均为“ㄇ”状结构,所述的上框体内等间距设置有多块隔板，所述下框体上边缘外侧铰接设置有旋转组合平台,旋转组合平台上可拆卸的设置有收纳框，所述的收纳框通过螺栓与旋转组合平台固定连接,收纳框为外侧开口的矩形框,收纳框被隔成3个小空腔，所述下框体的左右两侧板外边缘分别铰接设置有等高的用于支撑旋转组合平台的左侧门和右侧箱，本实用新型具有结构简单、节省空间且具有制造方便的优点。 ...

Archive shelf for quick article searching of AVG (Advanced Video Graphics)

The invention discloses a file shelf for quick object searching of an AVG trolley, and relates to a file shelf, the file shelf comprises a file shelf body, the outer side of the file shelf body is movably connected with a hanging bracket, the interior of the hanging bracket is movably connected with an object searching trolley, the file shelf body is internally provided with a plurality of groups of sealing bins, and the sealing bins are internally provided with storage boxes; a control motor is movably arranged at the bottom end, located on the side face of the file shelf, of each sealing bin, and the output end of each control motor is connected with a driving fan blade. Through the arrangement of the file shelf, the control motor and the storage box, the control motor can be started in advance before the object searching trolley moves to the corresponding sealing bin, the control motor drives the driving fan blades to rotate, and the control fan blades suck external air into the file ...

Display panel

The embodiment of the invention discloses a display panel. The display panel comprises a display area and a frame area. The frame area is provided with an external interface, and the external interface is provided with a protective cover; the display panel further comprises a protective cover detection sensor and a processor. The protective cover detection sensor is used for detecting the position of the protective cover and sending a first detection signal to the processor when the protective cover is changed from covering the external interface to not covering the external interface; and the processor is used for controlling the display panel to start when receiving the first detection signal. According to the embodiment of the invention, starting can be realized by opening the protective cover when a user performs electronic display, the operation steps are reduced, and the user experience is improved.

Pressure testing machine for building material detection

The invention relates to the technical field of building material detection, and particularly discloses a pressure testing machine for building material detection, which comprises a working frame, the working frame is provided with a fixing assembly for fixing a steel pipe to be detected; the device further comprises a first pressure applying part, and a servo air cylinder for driving the first pressure applying part to vertically slide is installed on the working frame. The fixing assembly comprises a second pressure applying part connected to the working frame in a sliding mode, and a switching mechanism is arranged between the servo air cylinder and the second pressure applying part. When the switching mechanism is located at the second station, the servo air cylinder drives the first pressure applying part and the second pressure applying part to synchronously carry out pressure detection on the steel pipe, and at the moment, the steel pipe can bear extra pressure detection driven by ...

Car roof tent and car using same

The invention provides a car roof tent and a vehicle using the same, and the car roof tent comprises a mounting bottom plate which is used for being fixedly connected with the top surface of the vehicle; the top cover is arranged on the mounting bottom plate; the power device is arranged between the mounting bottom plate and the top cover and used for driving the top cover to be folded relative to the mounting bottom plate or unfolded in the vertical direction to form a containing space; the expansion tent is arranged in the containing space, the expansion tent is hinged to one side of the mounting bottom plate, and the expansion tent can be overturned to enter and exit from the containing space; and the first tarpaulin is arranged among the top cover, the expansion tent and the mounting bottom plate. The expansion tent is turned outwards to form the containing space relative to the installation bottom plate, after the expansion tent is unfolded, the original area of the installation bottom ...

Multi-application edge security detection and defense system based on anchor link prediction

The invention discloses a multi-application edge security detection and defense system based on anchor link prediction. The system comprises a multi-application anchor link prediction device, a single-application data request acquisition and processing device, a single-application cache pollution attack detection device and a multi-application cache pollution defense device. According to the method, attackers who initiate cache pollution by using multiple application accounts can be associated, and effective defense of cache pollution attacks under multiple applications can be realized only by using a cache pollution attack detection result under a single application. According to the method, through deanonymization, the attack detection and defense cost is reduced, the security of the edge node is greatly improved, and the method can be deployed at an edge server and a router and can be widely applied to the application fields such as network security detection and defense in multiple ...

Mowing robot control method based on lawn humidity and chip

The invention discloses a mowing robot control method based on lawn humidity and a chip. The method comprises the steps that a mowing robot obtains humidity information of all lawn areas; dividing each lawn area into a first working area or a second working area according to the humidity information of each lawn area, and correspondingly storing the first working area or the second working area to a corresponding first working area list or a corresponding second working area list; the mowing robot executes a first working process on the first working area in the first working area list, and the mowing robot executes a second working process on the second working area in the second working area list. According to the method and the device, the lawn is divided into a plurality of different working areas based on the humidity information of each lawn area, so that the mowing robot can execute a corresponding working process in a targeted manner for each small working area, the mowing working ...

Aluminum profile storage device

The invention discloses an aluminum profile storage device. A storage rack is provided with a plurality of layers which are longitudinally arranged; the stored material conveying devices are arranged on all layers of the material storage frame, each stored material conveying device is provided with a feeding end and a discharging end, and the stored material conveying devices are used for conveying the aluminum profiles from the feeding ends of the material storage frame to the discharging ends of the material storage frame; the feeding device is longitudinally and movably arranged relative to the storage rack; the feeding device is used for conveying and placing aluminum profiles at the feeding end of a designated layer of the storage frame. The material taking device is longitudinally and movably arranged relative to the material storage frame; the material taking device is used for clamping the aluminum profiles from the discharging end of the designated layer of the material storage ...

Fertilizer anti-caking storage bin with air cooling function

The invention discloses a fertilizer anti-caking storage bin with an air cooling function. A storage bin body is arranged on a supporting bottom frame, a discharging opening is formed in the bottom of the storage bin body, an air cooling main pipe is coaxially arranged in the storage bin body through a support, the height of the air cooling main pipe is smaller than that of the storage bin body, an air inlet pipe is arranged at the lower end of the air cooling main pipe, and an air outlet pipe is arranged at the lower end of the air inlet pipe. The air inlet pipe penetrates out of the storage bin body to be connected with an air source, the top of the air cooling main pipe is provided with a material scattering conical cover with the tip facing upwards and covering a top pipe opening, a bin cover is arranged at the top of the storage bin body, a feeding port is formed in the center of the bin cover, and the material scattering conical cover is located under the feeding port and arranged ...

Automatic soup adding and cover pressing equipment for mushroom cans

The invention relates to the technical field of food processing, in particular to automatic soup adding and capping equipment for canned mushrooms. The invention provides the automatic soup adding and capping equipment for the mushroom cans, which can adjust production according to the specifications of the mushroom cans. Automatic soup adding and cover pressing equipment for mushroom cans comprises a mounting frame, a conveying belt, a first driving assembly, a soup adding mechanism and a cover pressing mechanism, the first driving assembly is connected to the left side of the mounting frame, the conveying belt is wound around the top of the mounting frame, the soup adding mechanism is arranged on the left portion of the mounting frame, and the cover pressing mechanism is arranged on the right portion of the mounting frame. According to different specifications and sizes of mushroom cans, the height of the sliding frame can be adjusted, so that the flow of soup injected into the soup adding ...

Slurry drying integrated equipment for mixing slurry by using tank truck and slurry drying method

The invention discloses slurry drying integrated equipment for mixing slurry by using a tank truck and a slurry drying method. The equipment comprises a waste slurry tank (1), a slurry stirring tank (2), an additive tank (3), a slurry aging tank truck (4), a filter press (5), a water treatment tank (6), a conveying belt (7), a soil collecting pit (8) and a clean water tank (9), the output end of the waste slurry pool is connected with one input end of the slurry stirring tank, the additive tank is connected with the other input end of the slurry stirring tank, and the output end of the slurry stirring tank is connected with the input end of the slurry aging tank car; the output end of the slurry aging tank car is connected with the input end of the filter press, the starting end of the conveying belt is arranged below the solid material output end of the filter press, and the input end of the clean water tank is connected with the liquid material output end of the filter press through a ...

Steel carbon emission prediction method and system, medium, equipment and terminal

The invention belongs to the technical field of carbon emission control, and discloses a steel carbon emission prediction method and system, a medium, equipment and a terminal, energy consumption in a steel production process is analyzed, a material flow balance model of a production process and a carbon material flow model of a production route are established, and a material flow and a carbon element flow of a certain steel mill are analyzed; constructing a prediction model of energy consumption-carbon emission of a certain steel mill based on LEAP and a scenario analysis method, and predicting energy consumption and carbon emission of the certain steel mill in 2020-2050 based on the LEAP model; and based on a prediction result, prospectively decomposing the carbon emission influence factors in steel production by using an LMDI factor decomposition method, and proposing policy suggestions of low-carbon transformation of a certain steel mill. The innovation point of the method is that ...

Preventive mosquito eradication control method of cleaning robot, cleaning robot and system

The invention discloses a preventive mosquito eradication control method of a cleaning robot, the cleaning robot and a system.The preventive mosquito eradication control method comprises the steps that when the cleaning robot is in a cleaning mosquito eradication mode, the cleaning robot is controlled to execute cleaning work of a current area, and environment parameter information of the current area is obtained; judging whether the environment parameter information of the current area meets a mosquito breeding condition or not; if yes, the cleaning robot is controlled to complete cleaning work of the current area, and preventive mosquito eradication work is executed on the current area; if not, the cleaning robot is controlled to enter the next area to execute cleaning work according to the cleaning area plan. According to the method, the cleaning robot is controlled to execute preventive mosquito killing work based on the regional environment parameter information, the mosquito killing ...

Wheel and transfer arrangement

... 本公开种轮子和拖运装置，其中轮子包括轮体、中间支撑件和固定件，在轮体侧面上设置有第轴承座组，第轴承座组与轮体同轴；中间支撑件设置在轮体的轴承座组侧并设置有与第轴承座组相对应的连接通孔；固定件设置有与第轴承座组对应的第二轴承座组，固定架边角区域设置有多个第固定孔；其中；中间支撑件上设置有与第固定孔对应的多个第二固定孔，第固定孔与第二固定孔内设置有第连接件；第轴承座组和第二轴承座组上固定有轴承组。通过中间支撑件支撑和固定件的固定作用，可以将该轮子固定在箱体或其他拖运装置的两侧，使轮子与其他结构连接更牢固，而且轮子整体通过至少两个轴承支撑，承载能力强，能够使轮子运行更平稳。 ...

Portable trailer of multipurpose

... 本实用新型涉及种多用途便携拖车，包括设有车轮的车架，车架的首端设有牵引杆套管，伸缩式牵引杆套设于牵引杆套管内，并由心型手轮配合伸缩式牵引杆上的定位凹槽进行限位；伸缩式牵引杆的端部设有用于连接车辆的具有牵引孔的钢板以及用于手持的折叠握把；牵引杆套管处设有第载货夹，车架的中部为平坦的载物区，车架的尾端设有货物挡架、用于安放工具的插管，及与第载货夹对应的第二载货夹，货物挡架处、第载货夹处、第二载货夹处设有保护货物的牛筋垫；车架和车轮之间通过减震结构连接。本实用新型体积小、用途多、轻便耐用、重心适当、便于运行、维护简便。 ...

Application of rice OsASN2 gene or protein coded by rice OsASN2 gene in increasing rice yield

The invention discloses application of a rice OsASN2 gene or a related sequence thereof in increasing the rice yield, and belongs to the technical field of bioengineering and breeding. The OsASN2 is constructed on an overexpression vector and is expressed in rice ZH11, and it is found that the effective ear number, the total grain number of a single plant and the yield of the single plant of an OsASN2 overexpression transgenic plant are remarkably increased, so that the yield of rice is increased. Therefore, the OsASN2 gene is a potential target spot which can be used for improving the rice yield in genetic engineering, and has an important application value.

Material for solidifying high-organic-matter sludge and solidifying method thereof

The invention relates to a material for curing high-organic-matter sludge and a curing method thereof. The material comprises the following raw materials in parts by weight: 0.5-1.5 parts of an oxidizing agent, 1.5-3 parts of a sacrificial agent, 0.5-2 parts of a reinforcing agent and 8-22 parts of a cementing material. During specific curing, firstly, an oxidizing agent and a sacrificial agent are added into the sludge to be mixed, and supernate on the surface layer of the sludge is discharged after standing and conditioning; and adding a reinforcing agent and a curing agent into the precipitate, uniformly mixing, standing and curing to finish curing treatment. According to the material and the method provided by the invention, the curing material utilizes a large amount of solid waste, the cost is low, the high-organic-matter sludge can be specifically cured, the curing workability is high, efficient, economical and environment-friendly curing of the sludge is realized, and the bearing ...

Data acquisition equipment for inclination measurement of hoisting equipment

A data acquisition device for inclination measurement of a hoisting device comprises a box body, an upper cover, an anti-smashing system and a fireproof system, the anti-smashing system comprises a left plate, the fireproof system comprises a right plate, the left plate and the right plate are both fixed to the box body, a plurality of isolation plates are symmetrically arranged in the box body, an isolation shell is fixed in the box body, and the isolation shell is provided with a plurality of through holes. The isolation plate and the isolation shell are both fixed between the left plate and the right plate, a plurality of blades are fixed to the end, located in the box body, of the rotating shaft, a plurality of liquid level measuring devices are symmetrically fixed in the box body, and a plurality of floating blocks are arranged between the isolation plate and the isolation shell in a sliding fit mode. The potential energy of water is changed to buffer falling of an object for the first ...

Film coating equipment for efficient low-resistance air filtering material

The efficient low-resistance air filtering material film laminating equipment effectively achieves the purpose of fixing a non-woven fabric core cylinder and comprises a supporting frame, a winding roller is arranged at the upper end of the supporting frame, sleeve shafts are rotationally connected to the left end and the right end of the winding roller correspondingly, the lower ends of the sleeve shafts are slidably connected to the upper end of the supporting frame, and a multi-direction screw is rotationally connected to the interior of the winding roller; the outer side of the multi-directional screw is in threaded connection with a plurality of opening assemblies, a screw groove is formed in the multi-directional screw, an ejector rod is arranged in the multi-directional screw, the outer side of the ejector rod is fixedly connected with a threaded column, the threaded column is in threaded connection with the screw groove, and through cooperation of the winding roller, the multi-directional ...

Multifunctional floor sweeping robot base

According to the multifunctional floor sweeping robot base, a handheld dust suction pipe assembly capable of being connected with a garbage recycling module of the base is additionally arranged, when the garbage recycling module is started, a dust suction head of the handheld dust suction pipe assembly generates suction force, and sucked garbage enters the garbage recycling module through a hose of the handheld dust suction pipe assembly; the base can charge the sweeping robot, garbage in the sweeping robot can be recycled, the base can be used for handheld dust collection operation of a user, and the practicability of the base is improved.

Aluminum profile sorting device

The invention discloses an aluminum profile sorting device which comprises a support, a conveying device, a lifting device and a discharging frame. The conveying device and the lifting device are both arranged on the support, and the lifting device is located above the conveying device. The blanking frames and the bracket are arranged side by side, and the blanking frames are provided with a plurality of layers; the conveying device is used for conveying aluminum profiles to the position below the lifting device, and the lifting device is used for lifting the aluminum profiles from the conveying device and sliding the aluminum profiles to a designated layer of the discharging frame. The aluminum profiles are classified by placing the aluminum profiles in a layered mode, so that machining of the aluminum profiles and assembling of doors and windows can be conducted synchronously, the production process is more reasonable, and the production efficiency of the doors and windows can be effectively ...

Modular over -and -under type tea table

... 本实用新型公开了种组合式升降式茶几，涉及家具技术领域，解决了常用家用茶几不可升降的技术问题，本实用新型包括底座，所述底座的形状为方形盒,底座下方设置有四个可拆卸支撑脚,每个支撑脚下方均设置有个万向轮,所述的底座上方的四角处设置有四个等高的升降机构,升降机构上方连接有茶几面板，茶几面板上设置有纵横两条正交的凹槽，两条凹槽均设置有可拆卸的隔板，茶几桌面被隔板分成的四个区域内放置有四个单体，本实用新型具有结构简单、易于移动和升降的优点。 ...

Multi -functional electronic equipment with projecting apparatus function

... 本实用新型属于电子信息技术领域且公开了种具有投影仪功能的多功能电子设备，包括关机键、外壳投影幕和高聚集凸镜，所述外壳上端设置有投影仪，所述投影仪上设置有放映镜、投射玻璃、高聚集凸镜、光源和反光碗，所述反光碗放置在光源的背面，所述光源前端设置有高聚集凸镜，所述高聚集凸镜前端紧贴着投射玻璃，所述投射玻璃前方放置着放映镜，所述放映镜设置在投影仪的最外端。本实用新型通过通讯设备上头安装的投影仪来显示手机屏幕上的内容，使得在会议或者生活中方便使用，本设备上大幅度减小了设备的面积，可以带给用户更方便的投影仪器。 ...

Robot moving direction planning method under condition of using obstacle point to set tangent line

The invention discloses a robot moving direction planning method under the condition of setting a tangent line by using an obstacle point, and the method comprises the steps: S1, when a laser radar only scans one obstacle point in front of a robot, on a connecting line segment of the center of the laser radar and the obstacle point, setting a tangent line on the connecting line segment of the center of the laser radar and the obstacle point; selecting a position point which is away from the obstacle point by a preset safe distance as an anti-collision circle center, setting an anti-collision circumference by taking the preset safe distance as a radius, and setting a tangent line which passes through the obstacle point and is tangent to the anti-collision circumference as a positioning line scanned in front of the robot; a laser probe supporting rotation is arranged in the laser radar, and the rotation center of the laser probe is the center of the laser radar; and S2, the robot sets the ...

Dust particle absorption device for environmental protection

The invention relates to the technical field of dust collection, and discloses a dust particle absorption device for environmental protection, which comprises a street lamp pole, leaf dust falling devices are arranged on both sides of the top end of the street lamp pole, street lamp bulbs are fixedly mounted at the bottom ends of the leaf dust falling devices, and an ornament is mounted at the top end of the street lamp pole. A leaf vein groove is formed in the top end of the leaf dust falling device, water baffles are fixedly connected to the positions, located on the two sides of the leaf vein groove, of the leaf dust falling device, and a drainage groove is formed in the position, located on the side, close to the street lamp pole, of the leaf vein groove, of the leaf dust falling device. After a rotating space is reserved for the sealing cover and the rotating cover through the sealing adhesive tape, other parts are sealed, so that air leakage and water leakage are avoided in a hinge ...

Drive circuit of LLC resonant transformation ware

... 本实用新型公开了种LLC谐振变换器的驱动电路，包括驱动芯片、第电阻、第二电阻、第三电阻和第二极管，驱动芯片的反馈信号引脚接环路反馈电压；第二电阻的第端接地，第二端接第三电阻的第端，第三电阻的第二端接驱动芯片的反馈信号引脚；第三电阻的第端接驱动芯片的跳频模式控制引脚，第电阻的第端接第二极管的阴极，第电阻的第二端接驱动芯片的反馈信号引脚；第二极管的阳极接驱动芯片的第PWM驱动信号输出端。本实用新型的驱动电路可以减小LLC谐振变换器轻载时的输出波纹，能广泛适用于全桥LLC或半桥LLC结构的谐振变换器。 ...

Tea table with fish tank

... 本实用新型公开了种带鱼缸的茶几，涉及家具技术领域，解决了常用家用茶几结构复杂不易移动的技术问题，本实用新型包括宽度相同的L型底板和L型面板，L型底板包括底板A和侧板A，L型面板包括面板B和侧板B，所述的侧板A与侧板B平行，面板B与底板A平行且位于底板A的正上方，所述的底板A上相对于侧板A的另边缘与L型面板的侧板B连接，所述的面板B的长度为底板A的2/3，所述的L型底板上靠近侧板A侧设置有用于支持面板B的支持柜，L型底板上远离侧板A的另侧设置有鱼缸，所述鱼缸内设置有过滤槽，该过滤槽内设置有水泵，所述的底板A下方设置有四个移动滚轮，本实用新型具有结构简单、易于移动的优点。 ...

Nanometer magnetic bead separator

The invention discloses a nanometer magnetic bead separator which comprises a test tube rack, the test tube rack comprises a plastic support and a magnet assembly, the plastic support is provided with a plurality of rows of test tube holes, test tubes used for containing magnetic beads are inserted into the test tube holes, the nanometer magnetic bead separator further comprises the magnet assembly used for separating the magnetic beads, and the magnet assembly comprises a plurality of magnetic steel combination bodies. Each magnetic steel assembly corresponds to the corresponding test tube, and the magnetic field of each magnetic steel assembly affects the corresponding test tube, so that the nano magnetic beads are separated to the side wall of the test tube. The magnet assembly comprises the multiple magnetic steel assemblies, and each magnetic steel assembly corresponds to the corresponding test tube, so that the surface magnetic intensity of the magnet assembly is enhanced, the separation ...

Periodic structure electromagnetic scattering characteristic calculation method based on residual neural network

The invention discloses a periodic structure electromagnetic scattering characteristic calculation method based on a residual neural network. The method comprises the following steps: establishing a data set for a periodic structure scattering problem under plane wave multi-angle incidence; building a residual neural network model; dividing a data set, and training the residual neural network model; and using the trained residual neural network model to predict SED primary function expansion coefficients of units in the target periodic array under multiple incident angles, and then calculating electromagnetic scattering induced current distribution. According to the method, the trained residual neural network model is integrated into a traditional SED primary function method, and the SED primary function expansion coefficient under multiple incident angles is quickly predicted, so that establishment and solution of a reduced impedance matrix are avoided, and the simulation efficiency is ...

Fabric-based flexible wearable low-power-consumption sensing communication system

The invention discloses a flexible wearable low-power-consumption sensing communication system based on fabric. Comprising the steps of collecting electromagnetic energy in an environment and converting into direct-current energy; a stable direct-current voltage is output through the energy management module to supply power to the low-power-consumption microcontroller and the low-power-consumption temperature sensor; and a digital signal is output from a temperature signal simulated in the environment through a temperature sensor, is loaded on a backscattering modulator, and is received and demodulated through software radio to realize a communication function. The flexible wearable low-power-consumption sensing communication integrated system based on the fabric is simple in structure, small in size and high in integration level, the fabric is used as a substrate, the system has the advantages of being light, flexible, bendable and washable, the system has the wearable function, power ...

Data set granularity classification method and device

The invention relates to a data set granularity classification method and device, and the method comprises the steps: obtaining a to-be-classified data set which comprises at least one image; according to the to-be-classified data set, a first data set and a second data set are obtained, the first data set is obtained by adjusting the images in the to-be-classified data set to a first resolution, and the second data set is obtained by adjusting the images in the to-be-classified data set to a second resolution; training and testing a neural network model by using the first data set to obtain a first classification model for image classification and the classification precision of the first classification model, and training and testing the neural network model by using the second data set to obtain a second classification model for image classification and the classification precision of the second classification model; and obtaining a granularity classification result of the to-be-classified ...