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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 22. Отображено 22.
27-06-2023 дата публикации

Broadband photoacoustic spectrum measurement system and method based on single optical comb

Номер: CN116337777A
Принадлежит:

The invention discloses a broadband photoacoustic spectrum measurement system and method based on a single optical comb. The system comprises an optical frequency comb light source, a broadband audio frequency modulation module, a photoacoustic detection unit and a data acquisition and processing module, the optical frequency comb light source is used for outputting broadband detection optical signals; the broadband audio frequency modulation module performs intensity modulation of different acoustic frequencies on each discrete optical frequency carrier wave in the broadband detection light signal through an optical fiber laser phase difference scanning interference mechanism to generate broadband modulation detection light; the photoacoustic detection unit is used for generating acoustic vibration corresponding to the modulation frequency of the optical frequency carrier absorbed by the to-be-detected sample through the interaction between the broadband modulation detection light and ...

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15-08-2019 дата публикации

OPTICAL FIBER DRAWING AND ANNEALING DEVICE AND OPTICAL FIBER

Номер: WO2019153473A1
Принадлежит:

An optical fiber drawing and annealing device and an optical fiber. The optical fiber drawing and annealing device comprises a drawing furnace, a fixed annealing pipe (5), a movable annealing pipe (6), and a driving part for driving the movable annealing pipe (6) to move. The movable annealing pipe (6) comprises an outer pipe (12), a graphite liner (11) fixedly mounted in the outer pipe (12), and a first gas blowing part (9) mounted on the lower end portion of the outer pipe (12) and supplying inert gas into the movable annealing pipe (6); the first gas blowing part (9) comprises a housing (13) and flow guide blocks (14) mounted in the housing (13); an upper flow guide channel (15) and a lower flow guide channel (16) respectively conveying the inert gas to the upper end and lower end of the movable annealing pipe (6) are provided on the flow guide block (14). Microcracks are reduced by reducing the inner stress of the optical fiber, and optical fiber attenuation is finally reduced; moreover ...

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13-04-2021 дата публикации

Charging pile of vertical structure

Номер: CN212950200U

The utility model discloses a charging pile with a vertical structure, which comprises a casing, a support column is fixed at the bottom of the casing, an expansion seat is welded at the bottom of the support column, a nixie tube and a socket are mounted on one side of the casing, a button is mounted on one side of the casing, a money slot is formed in one side of the casing, and cooling fans are fixed on two sides in the casing. The heat dissipation fan comprises a fixing frame, a motor is fixed in the fixing frame through a supporting frame, fan blades are connected to the output end of the motor, dustproof nets are fixed to the two sides of the machine shell, the heat dissipation fan is relatively located on one sides of the dustproof nets, ventilation grids are arranged on the two sides of the machine shell, rainproof strips are fixed to the two sides of the machine shell, and a fixing column is fixed to the top of the machine shell. A top cover is fixed to the top of the fixing column ...

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27-08-2021 дата публикации

Slag collecting and exhausting silencer for steam blowpipe

Номер: CN214064210U

The utility model discloses a steam blowpipe slag collecting exhaust silencer, including barrel and bend, barrel includes air inlet and connecting port, bend is connected on the connecting port, barrel includes from inside to outside the inner pipe, secondary flow control and outer pipe that are coaxially sleeved in proper order, bend built-in silencing piece. The silencer is designed according to the most reasonable silencing principle, steam enters the barrel from the inner pipe and flows into the cylindrical space between the second-stage flow control pipe and the inner pipe through the small holes in the inner pipe, and silencing is carried out; the air flow after noise reduction enters the cylindrical space between the outer pipe and the second-stage flow control pipe from the small holes in the second-stage flow control pipe and is subjected to noise reduction again, the steam after noise reduction enters the bent pipe, the noise reduction sheet is arranged in the bent pipe, noise ...

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02-06-2023 дата публикации

IV-type gas cylinder end and adapter sealing structure and inner container preparation method

Номер: CN116202012A
Принадлежит:

The invention discloses an IV-type gas cylinder end and adapter sealing structure and a liner preparation method. The IV-type gas cylinder end and adapter sealing structure comprises a plastic liner, a metal bottle opening and an adapter connected with the metal bottle opening. The metal bottle opening comprises a bottle opening body and an embedded base plate connected to the inner end of the bottle opening body, a plurality of annular grooves are formed in the end face of the embedded base plate from inside to outside, and a plurality of annular grooves are annularly formed in the edge of the embedded base plate at intervals. The end part of the plastic inner container is provided with a container opening body embedded in the inner end of the bottle opening body and an embedded ring groove for embedding the embedded base plate; the embedded ring groove is provided with an annular boss clamped with the annular groove and an annular boss clamped with the annular groove; the embedded combination ...

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25-04-2013 дата публикации

PROCESS FOR COOLING GAS MEDIUM FOR DROP WEIGHT TEAR TEST OF PIPELINE STEEL SPECIMEN

Номер: WO2013056504A1
Принадлежит:

Disclosed is a process for cooling a gas medium for the drop weight tear test of a pipeline steel specimen, wherein the cooling environment is a sealed container, in which the temperature of the whole effective space differs from the target temperature for the test by no more than ±1°C. The specimen at room temperature is placed into the sealed container, and the specimen is brought to the target temperature by forced convection and natural convection. The time required for the forced convection and natural convection to maintain temperature in order for the specimen to achieve the target temperature varies according to the thickness of the specimens. The process can be used in normal machines for instructing the drop weight tear test of pipeline steel specimens and ensures the precision and reliability of the test data.

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07-07-2023 дата публикации

Surface treatment device for plastic inner container of IV-type gas cylinder and using method

Номер: CN116394507A
Принадлежит:

The invention discloses an IV-type gas cylinder plastic inner container surface treatment device and a using method.The IV-type gas cylinder plastic inner container surface treatment device comprises a driving device, a flame treatment device and a resin coating device, the driving device comprises a station conversion assembly and a tool assembly, the tool assembly comprises two tool parts, the tool parts are used for transversely clamping an inner container, and the two tool parts are used for transversely clamping the inner container; the tool assembly is provided with a rotating mechanism for driving the inner container to rotate, and the station conversion assembly drives the two tool parts to synchronously rotate around the vertical axis between the two tool parts, so that the tool parts are provided with flame treatment positions and resin coating positions which are oppositely arranged; the flame treatment device comprises a flame treatment device located at the flame treatment ...

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04-04-2023 дата публикации

Display method and display device of barrier-free scheme, electronic equipment and storage medium

Номер: CN115908759A
Принадлежит:

The invention discloses a display method and device of a barrier-free scheme, electronic equipment and a storage medium, and belongs to the technical field of barrier-free transformation. The barrier-free scheme display method comprises the steps that a corresponding virtual reality model is generated according to environment information of a to-be-transformed area and a barrier-free scheme corresponding to the to-be-transformed area, the barrier-free scheme comprises at least one barrier-free transformation object, and the virtual reality model comprises an object model of the barrier-free transformation object; displaying at least part of a model area of the virtual reality model; and under the condition that the object model is included in at least part of the model area, displaying explanation information corresponding to the barrier-free transformation object.

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13-04-2021 дата публикации

Outdoor vertical standing pile with high insulativity

Номер: CN212950207U

The utility model discloses an outdoor vertical station pile with high insulativity, which comprises a charging station pile shell and is characterized in that a support column is arranged at the bottom of the charging station pile shell, the charging station pile shell comprises an outer shell and an inner shell, an oil cavity is reserved between the outer shell and the inner shell, and an oil injection nozzle is welded on the outer wall of one side of the charging station pile shell. An oil seal head is in threaded connection with the interior of the end, away from the charging station pile shell, of the oil injection nozzle, an outer insulating layer is arranged on the outer wall of one side of the outer shell, a waterproof layer is arranged on the outer wall of the outer insulating layer, a heat conduction layer is arranged on the outer wall of one side of the outer shell, and an inner insulating layer is arranged on the outer wall of one side of the heat conduction layer. According ...

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21-07-2023 дата публикации

Real-time acquisition device, design method and cable online monitoring method

Номер: CN116466199A
Принадлежит:

The invention belongs to the technical field of distribution cable state detection, and particularly discloses a real-time acquisition device, a design method and a cable online monitoring method. A real-time acquisition device is designed, an architecture of a 24-bit analog-to-digital conversion module + an FPGA + a DSP is selected, a method of replacing time continuity by sacrifice space is used on software, and the functions of continuous data acquisition and reading are realized by combining the two points; an insulation resistance value is measured in a micro-injection voltage mode to monitor the insulation resistance, the resistance can directly reflect the aging degree of an insulation layer of the cable, the precision, the sampling rate, the stability and the cost are greatly improved, and measurement errors caused by a distribution cable monitoring body and the environment are reduced.

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25-07-2023 дата публикации

Distribution cable aging positioning method, device, equipment and medium

Номер: CN116482484A
Принадлежит:

The invention belongs to the technical field of cable operation and maintenance, and particularly discloses a distribution cable aging positioning method, device and equipment and a medium, and the method comprises the steps: dividing a to-be-detected cable, and building a local aging position set; establishing a local aging positioning model according to the local aging position set; calculating an estimation error of each local aging position combination according to a local aging positioning model; outputting a local aging degree estimation value, a local aging position starting interval and a local aging position ending interval according to the estimation error; and performing error analysis to output a final local aging degree estimation value, a final local aging position starting interval and a final local aging position ending interval. According to the method, the to-be-detected cable is divided into a plurality of sections, then the set and aging positioning model is established ...

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13-04-2021 дата публикации

Charging pile with intelligent slow charging function

Номер: CN212950202U

The charging pile comprises a supporting rod, the outer wall of one side of the supporting rod is connected with a charging box through a bolt, the interior of the charging box is connected with an electric socket through a bolt, the outer wall of one side of the electric socket is provided with a charging jack, and the outer wall of one side of the charging box is connected with a box door through a hinge. A sliding groove is welded to the outer wall of one side of the box door, an inserting plate is slidably connected into the sliding groove, an inserting groove matched with the inserting plate is formed in the inner wall of one side of the charging box, a USB interface is formed in the outer wall of one side of the electric socket, a data line is inserted into the USB interface, and a handle is rotatably connected to one side of the box door through a shaft. According to the utility model, the electric socket hidden in the charging box is powered by the power supply of the street lamp ...

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30-06-2023 дата публикации

Adaptive weight two-stage near-electricity alarm system and method considering communication delay

Номер: CN116363813A
Принадлежит:

The invention discloses an adaptive weight two-stage electricity approaching alarm method considering communication delay. The method comprises the following steps: acquiring in-situ electricity approaching data, remote electricity approaching data and a communication delay coefficient; calculating to obtain an in-situ action threshold according to the in-situ near electricity data; calibrating remote near electricity data through the communication delay coefficient to obtain the remote near electricity data after time calibration and a time calibration result; calculating a remote action threshold according to the remote near electricity data after time correction; according to the local action threshold value, the remote action threshold value and the timing result, a weighted threshold value is obtained through calculation by introducing an entropy method of a variable weight theory; and judging whether the weighted threshold value is out of limit, and if the weighted threshold value ...

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13-04-2021 дата публикации

Charging pile of wall-mounted structure

Номер: CN212950201U

The utility model discloses a charging pile with a wall-mounted structure, which comprises a case, a wall-mounted frame is fixed on the back of the case, a mounting plate is fixed in the case, a socket and a nixie tube are mounted on one side of the mounting plate, heat dissipation devices are mounted on two sides of the interior of the case through bolts, and motors are mounted in the heat dissipation devices. The output end of the motor is connected with blades, a first fixing hole is formed in one side of the case, a storage battery is fixed in the case, a second fixing hole is formed in one side of the wall hanging frame, a second mounting hole is formed in the other side of the wall hanging frame, an air hole is formed in the back of the case, a partition plate is fixed in the case, and a case cover is rotatably connected to one side of the case through hinges. One side of the box cover is provided with an observation window, one side of the box cover is connected with a protective ...

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25-08-2023 дата публикации

Photographing point location determination method and device, storage medium and electronic equipment

Номер: CN116644536A
Принадлежит:

The invention relates to a photographing point location determination method and device, a storage medium and electronic equipment, and relates to the technical field of data processing, the method comprises the following steps: obtaining target data, the target data comprising vectorization data corresponding to a plurality of rooms; based on a candidate point selection rule and the target data, determining candidate point positions corresponding to each room, and based on a point number determination rule and the target data, determining a target point number corresponding to each room; determining a room type corresponding to each room based on the number of the candidate point locations corresponding to each room and the number of the target point locations; and determining a target photographing point location corresponding to each room based on a target photographing point location determination rule corresponding to each room type. By adopting the method, the generation of redundant ...

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13-04-2021 дата публикации

Charging pile with high-power quick charging function

Номер: CN212950205U

The utility model discloses a charging pile with a high-power quick charging function, which comprises a charging pile body and an anti-collision plate, a base is welded on the outer wall of the bottom of the charging pile body, grooves are formed in two sides of the outer wall of one side of the base, and buffer columns connected with the anti-collision plate are connected in the grooves in a sliding manner. And the outer wall, located between the base and the anti-collision plate, of the buffer column is sleeved with a buffer spring, a rotating seat is welded to the outer wall of one side of the charging pile body, and a connecting rod is rotationally connected to the inner wall of the adjacent side of the rotating seat through a rotating shaft. The telescopic force of the buffer spring has a buffer damping effect on the anti-collision plate, when a vehicle collides with the anti-collision plate, the impact force borne by the anti-collision plate can be effectively buffered, the buffer ...

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13-04-2021 дата публикации

AC/DC charging pile

Номер: CN212950206U

The utility model belongs to the technical field of charging piles, and particularly relates to an alternating current and direct current charging pile which comprises a foundation and a top plate which are arranged up and down, a bearing frame is installed on the right side between the foundation and the top plate, a supporting frame is installed on the top of the left side wall of the bearing frame, and a charging pile is installed on the top of the supporting frame. A charging head is mounted on the charging pile, a connecting rod is connected to the bottom of the top plate through bolts, a coil baffle is mounted at the bottom of the connecting rod, a wire guide block is mounted at the top of the left side wall of the bearing frame, a pulley block is mounted at the top of an inner cavity of the bearing frame, and a fixing block is clamped to the left side wall of the bearing frame. According to the utility model, by arranging the charging pile located at a high position, the occupied ...

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12-05-2023 дата публикации

Prepreg clamping mechanism and friction measuring device and method

Номер: CN116106215A
Принадлежит:

The invention discloses a prepreg clamping mechanism, a friction measuring device and a friction measuring method, the prepreg clamping mechanism comprises a support frame, a clamping module, a pressurizing module and a heating module, the clamping module comprises two clamping assemblies, and each clamping assembly comprises a force application seat, a pressing frame and an elastic pre-tightening part connected between the pressing frame and the force application seat; the pressing frame is provided with a loosening abutting part abutting against the supporting frame, so that when the two stress application bases are away from each other, the pressing frame overcomes the pre-tightening elastic force to be away from the stress application bases. Under the action of the pre-tightening elastic force of the elastic pre-tightening component, the two force applying seats are driven by the pressurizing module to get close to each other and get away from each other so that the prepreg or the vacuum ...

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13-04-2021 дата публикации

Integrated transformer substation and charging pile

Номер: CN212950204U

The utility model discloses an integrated transformer substation and charging pile comprising a cabinet body, a base is installed on the outer wall of the bottom of the cabinet body through bolts, a top plate is installed on the outer wall of the top of the cabinet body through bolts, reinforcing rods are welded to the periphery of the outer wall of the top of the base, and the top ends of the reinforcing rods are welded to the periphery of the outer wall of the bottom of the top plate. A cabinet door is movably connected to the outer wall of one side of the cabinet body through a hinge, a cabinet top communicated with the cabinet body is welded to the outer wall of the top of the top plate, and cooling fans are installed on the periphery of the outer side wall of the cabinet top through bolts. The mode that the wind driven generator and the solar cell panel are combined is adopted, so that the integrated transformer substation is more energy-saving and environment-friendly, the stepping ...

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09-04-2021 дата публикации

Large-mode-field microstructure optical fiber

Номер: CN212933039U

The invention relates to a large-mode-field microstructure optical fiber which comprises a fiber core (1), a ring (2) wrapping the fiber core (1) and an inner cladding back bottom (4) wrapping the ring (2), a plurality of assemblies (3) are distributed in the inner cladding back bottom (4), the assemblies (3) are arranged in a plurality of rings which are stacked from inside to outside, and the fiber core (1), the ring (2) and the back bottom are refractive index assemblies. When the refractive index of the ring (2) is n2, the refractive index of the assembly (3) is n3, and the refractive index of the inner cladding back substrate (4) is n4, n4 > = n1 > = n2, n4 > = n1 > = n3, and 1 * 102 < = delta n = n1n4 < = 0 are satisfied at the same time. The utility model provides a large-mode-field microstructure optical fiber, which can greatly reduce the preparation difficulty, ensure the consistency and the reliability of the optical fiber, improve the adjustability of the optical fiber and realize ...

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13-04-2021 дата публикации

Charging pile with fast charging mode and slow charging mode

Номер: CN212950208U

The utility model discloses a charging pile with a fast charging mode and a slow charging mode, which comprises a case, a first placing shell is arranged in one side of the case, a second placing shell is arranged in the other side of the case, and a slow charging head and a fast charging head are respectively arranged in the first placing shell and the second placing shell. Output wires are connected to the bottoms of the slow charging head and the fast charging head, ventilation grids are arranged on the two sides of the machine box, wire guide pipes are fixed to one side of the first containing shell and one side of the second containing shell, the output wires are inserted into the wire guide pipes, a partition plate is installed in the machine box through bolts, and a containing bin is formed by one side of the partition plate and the machine box. And an output wire is stored in the placement bin, a ventilation plate is mounted on one side of the partition plate, and a cooling fan ...

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27-07-2016 дата публикации

Quick positioning tool of IP phone fault point

Номер: CN0205407945U
Принадлежит:

... 本实用新型种IP电话故障点快速定位工具,它包括铝合金外壳;铝合金外壳内设有嵌入式处理器电路板;嵌入式处理器电路板上设有微控制器,且嵌入式处理器电路板通过键盘模块、液晶显示模块和LED灯模块分别与键盘、液晶显示器和LED指示灯连接;微控制器通过网络协议栈芯片与网络接口模块连接;铝合金外壳的侧设有与网络接口模块连接的网络接口;铝合金外壳内设有通过电源模块与微控制器连接的蓄电池。微控制器可对数据进行查询处理,并通过LED指示灯和液晶显示器来提示相关信息,简单明了,过程简便;操作人员可通过按键来调整参数设置,并最终通过微控制器进行数据的处理,蓄电池可为设备提供充足的电力,工作效率明显提高。 ...

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