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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 4. Отображено 4.
28-04-2023 дата публикации

Finite element analysis method for parachute opening process of rocket fairing brake parachute

Номер: CN116029170A
Автор: LIU YU, ZHAO MIAO, ZHANG ZHANG, WANG QI, TENG HAISHAN, ZHANG WENBO, DONG HAIBO, NIE CHENGWEN, CAI SHENGXIA
Принадлежит:

The invention discloses a finite element analysis method for the parachute opening process of a rocket fairing brake parachute. The method comprises the steps that the parachute opening height interval and the parachute opening incoming flow speed interval of the rocket fairing brake parachute are determined; establishing a geometric model according to the flight attitude of the rocket fairing in the airflow coordinate system; performing finite element mesh generation on the geometric model, and establishing a finite element model; calculating and solving the finite element model to obtain flow field movement, brake parachute deformation, interaction force between a rocket fairing and a flow field and interaction force between a parachute canopy and the flow field. The method solves the problem that the parachute opening process of the brake parachute is difficult to accurately predict under the influence of the wake flow field of the rocket fairing at present, and can provide reference ...

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Номер записи: 1
04-07-2023 дата публикации

Volume-variable parachute high-pressure packaging device

Номер: CN116374346A
Автор: WANG QI, WANG ZHIGUO, ZHANG ZHANG, TENG HAISHAN, WU ZHUO, LIU TAO, XU WANGJING, ZHANG WENBO, NIE CHENGWEN, WANG JINGLONG, ZHANG ZHENG
Принадлежит:

The variable-volume parachute pressure packaging device comprises a fence structure, wherein the fence structure is formed by sequentially arranging round-corner baffles and flat baffles at intervals, the two ends of the fence structure are open, and the section size can be changed; the fillet baffle is connected with the adjacent flat baffle through a slide way structure; the fillet baffle is connected with the bottom plate mechanism through the sliding block mechanism. The bottom plate mechanism is used for driving the sliding block mechanism to move. The sliding block mechanism can drive the fillet baffle to move relative to the bottom plate mechanism, and therefore the size of the section of the fence structure is changed. The packaging device is mainly suitable for high-pressure packaging of large parachutes and parafoil of a spacecraft return landing system, solves the problem that packaging devices are repeatedly designed and manufactured for parachute packs with different volumes ...

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Номер записи: 2
14-04-2023 дата публикации

Security monitoring system and use method thereof

Номер: CN115962384A
Автор: LI WEIXIONG, ZHAO YONGXIU, NIE CHENGWEN
Принадлежит:

The invention discloses a security monitoring system and a using method thereof, and belongs to the technical field of security monitoring, the security monitoring system comprises a monitoring support and a camera, the monitoring support comprises a vertical rod and a supporting rod, the vertical rod is provided with a vertical driving mechanism, the supporting rod is provided with a horizontal driving mechanism, and the vertical rod and the supporting rod are slidably connected with a same sliding block; the opposite ends of the vertical rod and the supporting rod are fixedly connected with the same avoiding rod, through a camera installed on a sliding block, under the driving effect of a horizontal driving mechanism, the camera can move towards the vertical rod, then when the sliding block moves to the position above a first screw rod, a vertical driving mechanism is driven at the moment, and the camera is driven to move towards the vertical rod. By means of the technical scheme, the ...

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Номер записи: 3
25-06-2014 дата публикации

Intelligent mobile phone and main board component thereof

Номер: CN103888567A
Автор: LI SAIXIONG, NIE CHENGWEN, CHEN YULIANG
Принадлежит:

The invention discloses an intelligent mobile phone and a main board component thereof. The main board component comprises a main PCB, an auxiliary PCB and an FPC connecting wire which is electrically connected between the main PCB and the auxiliary PCB. The main PCB is provided with a first opening groove, a second opening groove and a third opening groove. A side-by-side Micro-SIM card + a T-flash card or a two-in-one card base of double Micro-SIM cards is arranged in the first opening groove. An earphone base is welded to the back face of the main PCB in the second opening groove. A back-arranged camera is arranged from the back face of the main PCB in the third opening groove. The three opening grooves are formed in the main PCB, the side-by-side two-in-one card base with large broken plate mounting thickness, the earphone base and the back-arranged camera are used, accordingly, the thickness of the main PCB is thickened at low cost, and the functions of the independent T-flash card ...

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Номер записи: 4