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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 25. Отображено 25.
18-08-2023 дата публикации

Network port plug connector and preparation method and application thereof

Номер: CN116613591A
Принадлежит:

The invention relates to a network port plug connector and a preparation method and application thereof.The network port plug connector comprises a plug and a socket, and the socket is prepared from, by mass, 20%-25% of acrylonitrile, 23%-28% of butadiene, 35%-45% of styrene and 10%-20% of composite magnetic materials; the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding porous graphene ellipsoids and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, in the composite material, the multiple porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano-material is coated with the organic insulating material. The zinc sulfide nano material is fused in the graphene group. The composite magnetic material provided by the invention has excellent wave-absorbing performance, and furthermore, the composite ...

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08-08-2023 дата публикации

Surge protection method and device, computer equipment and storage medium

Номер: CN116565819A
Принадлежит:

The invention relates to a surge protection method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a first input voltage; the first input voltage is compared with a first reverse voltage, if the first input voltage is larger than the first reverse voltage, a preset clamping voltage is obtained, and the preset clamping voltage is larger than the first reverse voltage; acquiring a second input voltage; and if the second input voltage is greater than or equal to the preset clamping voltage, performing surge discharge. By adopting the method, the problem that the clamping voltage of the surge protection device in the prior art cannot be adjusted can be solved, and the clamping voltage of the surge protection device can be flexibly adjusted.

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07-07-2023 дата публикации

Composite magnetic material, wave-absorbing material and electronic equipment

Номер: CN116406152A
Принадлежит:

The invention relates to a composite magnetic material, a wave-absorbing material and electronic equipment, the composite magnetic material comprises a composite material formed by compounding a porous graphene ellipsoid and a zinc sulfide nano material and an organic insulating material coated on the surface of the composite material, a plurality of porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano material is fused in the graphene group. Through material selection and structure regulation, the composite magnetic material has the advantages of being adjustable in absorption bandwidth and high in wave absorption performance. Therefore, the composite magnetic material can be used for preparing wave-absorbing materials with different frequency bands, the wave-absorbing materials can be better adapted to various electronic devices, the signal transmission quality and the function stability of the electronic devices under a 5G high-speed network ...

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15-08-2023 дата публикации

Turbine rotor blade margin plate damping structure and turbine rotor blade applying same

Номер: CN116591785A
Принадлежит:

The invention relates to the technical field of aero-engines, and discloses a turbine rotor blade margin plate damping structure and a turbine rotor blade applying the turbine rotor blade margin plate damping structure, the turbine rotor blade comprises a blade body, an upper margin plate and a lower margin plate, and the upper margin plate and the lower margin plate are located on the two sides of the blade body respectively; the margin plate damping structure comprises a first damping fin and a second damping fin which are oppositely arranged, the first damping fin makes contact with the bottom of the upper margin plate of one turbine rotor blade, and the second damping fin makes contact with the lower margin plate of the other adjacent turbine rotor blade. And a pressed elastic damping piece is arranged between the first damping fin and the second damping fin. It can be guaranteed that the margin plate damping structure can be reliably attached to the upper margin plate of the turbine ...

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06-06-2023 дата публикации

Switch support

Номер: CN116231488A
Принадлежит:

The invention relates to the technical field of power equipment, in particular to a switch support which comprises a connecting frame and an attached plate, the connecting frame comprises a rectangular bottom frame, a supporting beam, a first bottom beam and a second bottom beam, the supporting beam is connected to the middle of the rectangular bottom frame, the supporting beam is horizontally arranged, and the first bottom beam is connected with the second bottom beam. The side, close to one end of the supporting beam, of the rectangular bottom frame is the front side, the side, close to the other end of the supporting beam, of the rectangular bottom frame is the rear side, the first bottom beam and the second bottom beam are both connected to the rectangular bottom frame, and the first bottom beam and the second bottom beam are located on the front side and the rear side of the rectangular bottom frame respectively. The rectangular bottom frame is connected to one side face of the attaching ...

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04-07-2023 дата публикации

Potting protection structure and electronic product

Номер: CN116390466A
Принадлежит:

The invention relates to a potting protection structure and an electronic product, the potting protection structure comprises at least one potting adhesive layer and at least one wave absorbing layer which are laminated, and the preparation raw materials of the wave absorbing layer comprise a composite magnetic material and resin; wherein the composite magnetic material comprises a composite material formed by compounding porous graphene ellipsoids, a zinc sulfide nano material and a tungsten carbide nano material and an organic insulating material coating the surface of the composite material, in the composite material, a plurality of porous graphene ellipsoids are arranged in order to form a graphene group, and a plurality of porous graphene ellipsoids are arranged in the organic insulating material. The zinc sulfide nano material and the tungsten carbide nano material are fused in the graphene group. The composite magnetic material provided by the invention has excellent wave-absorbing ...

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28-04-2023 дата публикации

Box-type substation

Номер: CN116031788A
Принадлежит:

The invention relates to the technical field of transformer substations, in particular to a box-type transformer substation which specifically comprises a top cover, a high-voltage side shell, a low-voltage side shell and a bottom support, the bottom of the high-voltage side shell and the bottom of the low-voltage side shell are both connected to the bottom support, and the high-voltage side shell and the low-voltage side shell form an L shape. The top cover is connected to the top of the high-voltage side shell and the top of the low-voltage side shell. The box-type substation is better in interchangeability and higher in operation and maintenance efficiency.

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23-06-2023 дата публикации

Backwash filtering hemisphere valve device for petrochemical engineering pipeline

Номер: CN116292964A
Принадлежит:

The invention discloses a petrochemical pipeline backwash filtering hemispherical valve device which comprises a valve body, an adjusting handle, an oil pipeline, a valve element and a filtering plate, the adjusting handle is rotatably installed on the valve body, the hemispherical valve element is rotatably installed in the valve body, and the end of the adjusting handle extends into the valve body to be fixedly connected with the valve element; the filter plate is fixedly installed on the inner wall of the valve body, the two ends of the valve body are each provided with a pressurization connecting pipe which communicates with the valve body and an oil conveying pipeline and is in a circular truncated cone shape, an installation rod is rotationally installed at the center position of one side of the filter plate, and a set of fan blades distributed in an annular array mode are installed on the arc-shaped outer contour of a rod body of the installation rod. A supporting rod is fixedly ...

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22-08-2023 дата публикации

Wave-absorbing glass and application thereof in electronic equipment

Номер: CN116621464A
Принадлежит:

The invention relates to wave-absorbing glass and application thereof in electronic equipment, the wave-absorbing glass comprises a glass body and a latticed wave-absorbing structure embedded in the glass body, and preparation raw materials of the latticed wave-absorbing structure comprise a composite magnetic material and a coagulator; the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding porous graphene ellipsoids and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, in the composite material, the multiple porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano-material is coated with the organic insulating material. The zinc sulfide nano material is fused in the graphene group. The wave-absorbing glass has excellent optical performance and wave-absorbing performance, and when the wave-absorbing ...

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02-05-2023 дата публикации

Ventilation window

Номер: CN116053966A
Принадлежит:

The invention relates to the technical field of transformer substations, in particular to a ventilation window of a box-type transformer substation, which comprises a ventilation window body, a ventilation hole, a connecting rib and a ventilation window cover, the ventilation hole is a through hole formed in the ventilation window body, the connecting rib is connected to the inner side surface of the ventilation window body, the connecting rib is located on the periphery of the ventilation hole, and the ventilation window cover is arranged on the ventilation window body. The ventilation window cover is connected to the connecting ribs and can be opened and closed. The ventilation window is convenient to arrange a two-layer plate structure, and the ventilation window cover can be opened and closed.

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18-07-2023 дата публикации

Wave-absorbing rubber gasket as well as preparation method and application thereof in electronic equipment

Номер: CN116444905A
Принадлежит:

The invention relates to a wave-absorbing rubber gasket, a preparation method of the wave-absorbing rubber gasket and application of the wave-absorbing rubber gasket in electronic equipment. The wave-absorbing rubber gasket comprises a gasket body and a composite magnetic material distributed in the gasket body, the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding porous graphene ellipsoids and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, in the composite material, the multiple porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano-material is coated with the organic insulating material. The zinc sulfide nano material is fused in the graphene group. The wave-absorbing rubber gasket disclosed by the invention has excellent wave-absorbing performance, also has excellent elasticity ...

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04-07-2023 дата публикации

Wave-absorbing sheath and application thereof in cable

Номер: CN116390465A
Принадлежит:

The invention relates to a wave-absorbing sheath and application thereof in a cable. The preparation raw materials of the wave-absorbing sheath comprise a composite magnetic material and a coagulator, wherein the composite magnetic material comprises a composite material formed by compounding porous graphene ellipsoids, a zinc sulfide nano material and a tungsten carbide nano material and an organic insulating material coating the surface of the composite material, in the composite material, a plurality of porous graphene ellipsoids are arranged in order to form a graphene group, and a plurality of porous graphene ellipsoids are arranged in the organic insulating material. The zinc sulfide nano material and the tungsten carbide nano material are fused in the graphene group. The wave-absorbing sheath has excellent wave-absorbing performance, and also has the characteristics of light weight, thinness and flexibility, so that the wave-absorbing sheath can be used by nesting a cable, has better ...

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27-06-2023 дата публикации

Combined dissimilar material turbine stator blade assembly

Номер: CN116335771A
Принадлежит:

The invention belongs to the technical field of aero-engines, and particularly relates to a combined turbine stator blade assembly made of dissimilar materials, which adopts one end of a ceramic-based blade bearing high-temperature fuel gas scouring, and adopts a metal blade in a high-flow-speed-resistant flow guide area which is complex in structure and high in processing difficulty. The high-pressure turbine guide blade has the excellent temperature resistance of a ceramic matrix composite blade and the reliable mechanical property and excellent pneumatic performance of a high-temperature alloy blade, the temperature bearing capacity of the front edge of the high-pressure turbine guide blade is improved, the problem of overtemperature of the front edge of a new-generation advanced engine turbine guide blade is solved, and the purposes of light weight, low cost and the like of the turbine blade are achieved. And the service life of the blade is prolonged, and the overall performance of ...

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25-07-2023 дата публикации

Solder resist composition and solder resist film and printed circuit board thereof

Номер: CN116475625A
Принадлежит:

The invention relates to a solder resist composition, a solder resist film and a printed circuit board, and the solder resist composition comprises a liquid photoinduced solder resist and a composite magnetic material, the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding porous graphene ellipsoids and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, in the composite material, the multiple porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano-material is coated with the organic insulating material. The zinc sulfide nano material is fused in the graphene group. The solder resist film formed by the solder resist composition has excellent electromagnetic shielding performance, so that after the solder resist film is formed on the surface of the printed circuit board, the signal crosstalk ...

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02-06-2023 дата публикации

Common box type solid insulation fully-sealed isolation switch device

Номер: CN116206914A
Принадлежит:

The invention belongs to the technical field of high-voltage electric appliances, and discloses a common box type solid insulation fully-sealed isolating switch device. Comprising a box body, a three-phase sleeve protruding forwards is arranged on the outer side of the bottom of the box body, and a three-phase insert is wrapped in the three-phase sleeve; the three-phase inserts are arranged at the bottom of the box body and are distributed parallel to the ground of the box body, and the rear three phases are folded upwards after being located on the same longitudinal plane and are wrapped by a conical insulating material to lead out a boss; the operating mechanism is arranged on the outer side of the front end of the box body; the insulating crank arm is arranged in the box body and is connected with the operating mechanism; the isolation blade is hinged with the three-phase insert through a conductive piece; the three-phase contacts are in one-to-one correspondence with the isolation blades ...

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23-05-2023 дата публикации

Box-type substation top cover

Номер: CN116154637A
Принадлежит:

The invention relates to the technical field of transformer substations, in particular to a box-type transformer substation top cover which comprises a high-voltage top cover first-layer plate, a high-voltage part frame, a low-voltage top cover first-layer plate, a low-voltage part frame and a top cover side rainproof strip. The high-voltage top cover first-layer plate is connected to the outer side of the high-voltage part frame, the low-voltage top cover first-layer plate is connected to the outer side of the low-voltage part frame, and the top cover side rainproof strip is connected between the high-voltage part frame and the low-voltage part frame. The top cover of the box-type substation is higher in waterproof capacity, longer in service life and more convenient to install.

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14-07-2023 дата публикации

Composite wave-absorbing material with honeycomb structure and application of composite wave-absorbing material

Номер: CN116437652A
Принадлежит:

The invention relates to a honeycomb structure composite wave-absorbing material and application thereof. The honeycomb structure composite wave-absorbing material comprises a honeycomb core layer and skins arranged on the upper surface and the lower surface of the honeycomb core layer. Wherein preparation raw materials of the honeycomb core layer comprise resin and a composite magnetic material, the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding a porous graphene ellipsoid and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, and in the composite material, the porous graphene ellipsoid and the zinc sulfide nano-material are uniformly distributed. A plurality of porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano material is fused in the graphene group. The composite wave-absorbing ...

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18-07-2023 дата публикации

Wave-absorbing heat dissipation piece and application thereof in electronic equipment

Номер: CN116456706A
Принадлежит:

The invention relates to a wave-absorbing and heat-dissipating part and application thereof in electronic equipment, the wave-absorbing and heat-dissipating part comprises a heat-dissipating part and a wave-absorbing part superposed on the heat-dissipating part, the surface of the heat-dissipating part is provided with first sawtooth-shaped bulge structures distributed at intervals, and the wave-absorbing part is provided with second sawtooth-shaped bulge structures complementarily filled with the first sawtooth-shaped bulge structures; wherein the wave absorbing part is made of a composite magnetic material and a binder, the composite magnetic material comprises a composite material formed by compounding a porous graphene ellipsoid and a zinc sulfide nano-material and an organic insulating material coated on the surface of the composite material, and in the composite material, the binder is a binder; a plurality of porous graphene ellipsoids are arranged in order to form a graphene group ...

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07-05-2014 дата публикации

Auxiliary device for detecting coplanarity of installation bases and detecting and correcting method

Номер: CN103776333A
Принадлежит:

The invention relates to an auxiliary device for detecting the coplanarity of installation bases and a method detecting and correcting the coplanarity of the installation bases by utilizing the auxiliary device. The auxiliary device comprises a fixing base and an adjusting base. One end of the fixing base is provided with a connection part connected to the installation bases, and the other end of the fixing base is connected with the adjusting part in a threaded mode, wherein the adjusting part is arranged on the adjusting base. According to the method, the lowest points of the installation bases are found out, the auxiliary device is utilized for measuring the perpendicular distance from the lowest points to the other three-point faces, a gasket is adopted for correction so that the coplanarity of the four installation bases can be achieved, and a cab can be installed stably. The adverse effect generated in the later use process of an excavator is avoided. The auxiliary device used for ...

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04-08-2023 дата публикации

Plastic packaging material composition and application thereof in SIP (Session Initiation Protocol) packaging

Номер: CN116544216A
Принадлежит:

The invention relates to a molding compound composition and application of the molding compound composition in SIP (Session Initiation Protocol) packaging, and the molding compound composition comprises an epoxy molding compound and a composite magnetic material, the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding porous graphene ellipsoids and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, in the composite material, the multiple porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano-material is coated with the organic insulating material. The zinc sulfide nano material is fused in the graphene group. The plastic packaging material composition is used for plastic packaging in SIP packaging, a chip can have excellent electromagnetic shielding performance, external electromagnetic interference ...

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07-07-2023 дата публикации

Integrated battery rack

Номер: CN116404334A
Принадлежит:

The invention belongs to the technical field of batteries, and discloses an integrated battery rack which comprises a rectangular base plate, and a base is fixed below the rectangular base plate; frame longitudinal beams are fixed to the upper portions of the four corners of the rectangular chassis, and symmetrical middle longitudinal beams are arranged on the two long sides of the rectangular chassis. Cross beams parallel to the short edges of the rectangular base are arranged between the frame longitudinal beams; the frame longitudinal beams and the middle longitudinal beams are provided with positioning holes, and the cross beams are provided with positioning feet matched with the positioning holes. And through cooperation of the positioning holes and the positioning feet, the beams are in butt joint with one another, stability is improved, and meanwhile welding positioning is facilitated.

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06-06-2023 дата публикации

35kV environment-friendly gas insulation incoming and outgoing line integrated intelligent switch cabinet

Номер: CN116231511A
Принадлежит:

The invention belongs to the technical field of high-voltage electrical appliances, and discloses 35kV environment-friendly gas-insulated high-voltage electrical appliance switch equipment. Comprising a switch cabinet shell, and the middle part of the switch cabinet shell sequentially comprises an isolating switch air chamber, a circuit breaker switch air chamber and a cable cabin bracket from top to bottom; the front part of the switch cabinet shell sequentially comprises an instrument chamber, an air pressure monitoring device, a mechanism chamber and a cable cabin from top to bottom; the air pressure monitoring device is used for monitoring the internal air pressure change of the isolating switch air chamber and the circuit breaker switch air chamber; the rear part of the switch cabinet shell comprises a pressure relief chamber; openable pressure relief channels are arranged between the pressure relief chamber and the isolating switch air chamber and between the pressure relief chamber ...

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01-08-2023 дата публикации

Wave absorbing and electricity guiding foam as well as preparation method and application thereof

Номер: CN116528577A
Принадлежит:

The invention relates to wave-absorbing and electricity-guiding foam and a preparation method and application thereof.The wave-absorbing and electricity-guiding foam comprises wave-absorbing sponge and a conductive layer wrapping the wave-absorbing sponge, and the wave-absorbing sponge comprises sponge and a composite magnetic material distributed in the sponge; the composite magnetic material comprises a composite material and an organic insulating material, the composite material is formed by compounding porous graphene ellipsoids and a zinc sulfide nano-material, the surface of the composite material is coated with the organic insulating material, in the composite material, the multiple porous graphene ellipsoids are arranged in order to form a graphene group, and the zinc sulfide nano-material is coated with the organic insulating material. The zinc sulfide nano material is fused in the graphene group. The composite magnetic material has excellent wave-absorbing performance, ductility ...

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23-06-2023 дата публикации

Novel module-free self-compaction PACK

Номер: CN116315404A
Принадлежит:

The invention belongs to the technical field of batteries, and discloses a novel module-free self-compaction PACK, which comprises a shell, two battery core accommodating parts, a first partition plate and a second partition plate arranged between the two battery core accommodating parts, a compaction device connected between the first partition plate and the second partition plate, a panel arranged at the top ends of the two battery core accommodating parts, and a battery core arranged in the shell, the inner side of the panel is connected with a front plate through a pressing device, the pressing device transversely presses the battery cell by pressing the first partition plate and the second partition plate towards the two sides, and the pressing device longitudinally fixes the battery cell by pressing the front plate downwards. According to the novel PACK, module-free and self-compaction can be realized through an internal special structure, and the problem that the battery cell is ...

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04-07-2024 дата публикации

Magnetic composite materials, methods of preparing magnetic composite materials, and electronic devices

Номер: WO2024139811A1
Принадлежит: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.

Embodiments of the present disclosure may provide a magnetic composite material, a method of preparing a magnetic composite material, and an electronic device including the magnetic composite material. The magnetic composite material may comprise a carbon nanomaterial cluster and nano metal sulfide. The carbon nanomaterial cluster may include a plurality of carbon nanomaterial units. The nano metal sulfide may be mixed into the carbon nanomaterial cluster. The nano metal sulfide may include nano tungsten disulfide and/or nano zinc sulfide, and one of the plurality of carbon nanomaterial units may include nano carbon crystal and/or nano graphene.

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