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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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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 10. Отображено 10.
05-05-2023 дата публикации

Cold and hot air flow mixing device capable of adjusting air flow temperature in wide range under low Mach number

Номер: CN116067610A
Автор: LIU LONG, KANG ZHONGTAO, WANG ZHENFENG, SUN KAI, LI HONGBIN, WU JUN, ZHAI XIAOFEI, WANG XI
Принадлежит:

The invention belongs to the technical field of combustion wind tunnel tests, and discloses a cold and hot airflow mixing device capable of adjusting airflow temperature in a wide range under a low Mach number. A decompression mixing section of the cold and hot air flow mixing device is a pipe body; in the axis direction of the pressure reducing and mixing section, the central cavity is a conical pressure reducing and mixing pipeline; a plurality of cold air annular cavities are sequentially formed in the decompression mixing section from front to back; each cold air annular cavity is outwards provided with a plurality of cold air inlet pipelines in the radial direction, and the cold air inlet pipelines are externally connected with a high-pressure cold air source; a plurality of cold air branch pipelines are inwards arranged in each cold air annular cavity in the radial direction, the cold air branch pipelines are cold air holes in outlets of the pressure reduction mixing pipelines, and ...

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Номер записи: 1
25-03-2015 дата публикации

Self-adaptive solar power system

Номер: CN104467637A
Автор: ZHAO XIAOQIANG, YU YANFEI, CHEN QINHAO, FENG XUN, LIANG YE, ZHAI XIAOFEI, TAO DONG, CHENG MING, LIU CHEN, MA SHIXIONG, LEI XUE
Принадлежит:

The invention discloses a self-adaptive solar power system and belongs to the field of automatic control and solar power generation. The self-adaptive solar power system comprises a horizontal supporting base plate, a horizontal rotating platform, a stepping motor, a vertical supporting structure, a rotating cross rod, a solar panel, a storage battery, an STM-32 microprocessor, universal wheels and the like, wherein the horizontal rotating platform is supported on the horizontal supporting base plate through the universal wheels, the stepping motor is embedded into the horizontal rotating platform and drives the entire device to rotate by 360 degrees in the horizontal direction, the vertical supporting structure comprises a direct current electric lifting rod and a solar panel supporting frame, and the direct current electric lifting rod is connected with the rotating cross rod to drive the solar panel to rotate in the vertical direction. When the self-adaptive solar power system works, ...

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Номер записи: 2
06-06-2023 дата публикации

Protecting and supporting device for ancient city door

Номер: CN116220416A
Автор: TANG XIKUI, SONG PENGJIE, ZHAI XIAOFEI, LV YONGJUN, HU LIZHENG, ZHU XUN, XIANG YONG, TIAN HAO, WANG DOUJIE
Принадлежит:

The invention discloses an ancient city door protecting and supporting device which is used for supporting and protecting a door screw hole of an ancient city building, the ancient city door protecting and supporting device comprises a supporting assembly, the supporting assembly comprises two cast-in-place piles and an arc-shaped top plate, and the two cast-in-place piles are arranged on the two sides of the door screw hole; the cast-in-place piles are used for penetrating through a city body of the ancient city building from the roof of the ancient city building to be inserted into a foundation, a cross beam stretching across the two sides of the door screw hole is arranged between the pile tops of the two cast-in-place piles, the arc-shaped top plate comprises an arc-shaped section and two connecting sections arranged at the two ends of the arc-shaped section respectively, and the arc-shaped section is arranged on the lower side of the top end of the door screw hole. Each connecting ...

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Номер записи: 3
04-08-2023 дата публикации

Split mounting type road crash pad

Номер: CN116537100A
Автор: MA BO, FENG PAN, LUO SHUSHENG, LI LI, SUN FEI, YUAN KE, CAO HUANDONG, ZHAI XIAOFEI, LEE JIN-WOO
Принадлежит:

The invention relates to a split mounting type road crash pad which comprises a collision mechanism and a fixing mechanism which are arranged in the direction of a lane, the two sides of the collision mechanism are each provided with a corrugated plate, the corrugated plates are slidably connected with the fixing mechanism, and a plurality of energy absorption parts are arranged between the two corrugated plates in a rectangular array mode. Each energy absorption component comprises a plurality of energy absorption units which are arranged in parallel, and each energy absorption unit is formed by splicing eight movable plates which are hinged with one another, so that the width of the energy absorption component, namely the total width, can be reduced when the energy absorption component is impacted in practice, and a buffering effect is achieved on the premise that the structure is not damaged; insertion grooves are formed in the two movable plates arranged in each energy absorption unit ...

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Номер записи: 4
28-07-2023 дата публикации

Floating bearing for lithium battery winding head

Номер: CN116498658A
Автор: WANG XIAOMING, ZHAI XIAOFEI, PENG SONG
Принадлежит:

A floating bearing for a lithium battery winding head relates to a lithium battery winding head bearing, and is characterized in that the other sides of a plurality of arc-shaped blocks A (6) extend into gaps among a plurality of arc-shaped blocks B (8), the other sides of the arc-shaped blocks B (8) extend into gaps among the arc-shaped blocks A (6), and springs (7) are arranged between an inner ring A (1) and an inner ring B (9); the inner ring is arranged in the outer ring (15) in a manner that the plurality of spherical rollers B (11) are in contact with the arc-shaped transition (16); the outer ring of the ball bearing is arranged to be in an angular contact mode, the inner ring of the ball bearing is arranged to be of a mutually-staggered inserting connection structure, light operation is achieved when only half of the balls bear the outer ring under the normal working condition, the spring can effectively eliminate damage to the bearing caused by distortion of the inner ring and ...

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Номер записи: 5
30-05-2023 дата публикации

Shield starting tunnel portal breaking and removing method

Номер: CN116181357A
Автор: TANG XIKUI, SONG PENGJIE, ZHU XUN, LV YONGJUN, ZHOU HUBING, LIU WEILONG, ZHAI XIAOFEI, TIAN HAO, WANG XU, WANG DOUJIE
Принадлежит:

The invention discloses a shield starting tunnel portal breaking method which comprises the following steps that a horizontal exploring hole is formed in the position of a tunnel portal, an operation platform is arranged on the outer side of a tunnel circle and used for operation of operators and breaking of foundation pit enclosure concrete, shield starting is started into the tunnel from a breaking tunnel opening, and through arrangement of a foundation pit enclosure, the shield starting tunnel portal is broken. The underground water seepage or water gushing is prevented, the foundation pit and the shield tunneling machine are prevented from being submerged, tunnel portal soil mass collapse and casualties are avoided, the height of the underground water level is conveniently observed by punching a horizontal detection hole in the position of the tunnel portal, the problem of water gushing in the tunnel portal breaking process is avoided, and meanwhile the working platform is arranged, ...

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Номер записи: 6
22-08-2023 дата публикации

Gas pressurization test system and method

Номер: CN116625666A
Автор: ZHANG ZUYU, CAI ZHIYONG, LENG QINGLIN, ZHAI XIAOFEI, ZHANG CHUNZHI, CHEN QIANG, WEN HAO, PENG WEI, CHEN WEI, ZENG RONG, CHEN ZHENGKUN, GONG WENYUE, SUN LIANG
Принадлежит:

The invention discloses a gas pressurization test system and method, and relates to the technical field of gas pressurization, a compressed gas source provides gas needing to be pressurized for a high-pressure cavity of a gas pressurization device, and a low-pressure gas source provides low-pressure gas for a low-pressure cavity of the gas pressurization device; the buffer medium source provides a buffer medium for a buffer cavity of the gas supercharging device, and the electrical control and storage subsystem monitors the operation of the test system; during a pressurization test, low-pressure gas in the low-pressure cavity drives the piston assembly to move, gas needing to be pressurized in the high-pressure cavity is compressed, and the electrical control and storage subsystem monitors operation data of the high-pressure cavity and processes and displays the monitored data during the test. The double-cone check ring lip-shaped sealing structure has the double sealing effects that firstly ...

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Номер записи: 7
23-06-2023 дата публикации

Water-cooling ignition ring for ignition torch of air heater

Номер: CN116293650A
Автор: LIU LONG, WANG ZHENFENG, KANG ZHONGTAO, LI HONGBIN, WU JUN, ZHAI XIAOFEI, HU YUE, WANG XI, YANG YUCHAO, HU DARWIN, HE DONG
Принадлежит:

The invention belongs to the technical field of combustion wind tunnels, and discloses a water-cooled ignition ring for an ignition torch of an air heater. The water-cooling ignition ring comprises a cooling outer ring and a cooling inner ring which are connected in a nested mode from outside to inside, the two sides of the cooling outer ring are provided with an annular clamping groove and a clamping ring which correspond to each other, and the water-cooling ignition ring is connected with the adjacent section through the clamping groove and the clamping ring; a cooling water outlet and an opposite cooling water inlet are formed in the water-cooled ignition ring; an annular water cooling channel is arranged on the contact face of the cooling outer ring and the cooling inner ring, and a water collecting cavity is formed in the cooling outer ring and communicated with the annular water cooling channel. The cooling water outlet and the cooling water inlet extend into the water collecting ...

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Номер записи: 8
13-06-2023 дата публикации

Method for protecting ancient building when shield tunneling machine passes through ancient building

Номер: CN116255155A
Автор: ZHU XUN, SONG PENGJIE, TANG XIKUI, LV YONGJUN, ZHOU HUBING, HU LIZHENG, LIU WEILONG, ZHAI XIAOFEI, XU BING
Принадлежит:

The invention discloses a method for protecting an ancient building when a shield tunneling machine passes through the ancient building, which comprises the following steps of: determining an influence interval of tunnel excavation of the shield tunneling machine on the ancient building, determining a pipe burying point in the influence interval, burying a grouting pipe at the pipe burying point, and monitoring settlement parameters of the ancient building when the shield tunneling machine passes through the ancient building, determining a grouting strategy according to the settlement parameters, controlling a grouting device to inject grout into the stratum through the grouting pipe according to the grouting strategy, determining a tunneling strategy according to the settlement parameters, adjusting tunneling parameters of the shield tunneling machine according to the tunneling strategy, and controlling the shield tunneling machine to pass through the historic building according to the ...

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Номер записи: 9
30-06-2023 дата публикации

Silicon-based MEMS rectangular waveguide circulator and preparation method thereof

Номер: CN116365203A
Автор: ZHAI XIAOFEI, SI GUOLIANG, WANG YU, ZHOU JIA, WU YAXIAO, LIANG XIAOWEI, XIE SHUJING, WANG HAN
Принадлежит:

The invention is suitable for the technical field of circulators, and provides a silicon-based MEMS rectangular waveguide circulator and a preparation method thereof, and the silicon-based MEMS rectangular waveguide circulator comprises an upper multilayer silicon structure, a lower multilayer silicon structure, a bottom plate, a ferrite and a permanent magnet. A first groove is formed in the lower surface of the upper multi-layer silicon structure, a second groove is formed in the upper surface of the lower multi-layer silicon structure, the first groove and the second groove are the same in shape, and the surfaces, with the grooves, of the upper multi-layer silicon structure and the lower multi-layer silicon structure are in butt joint with each other to form a first containing cavity; the ferrite is fixed in the first accommodating cavity; the bottom plate is fixed on the lower surface of the lower multilayer silicon structure; and the permanent magnet is fixed on the upper surface of ...

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Номер записи: 10