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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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Применить Всего найдено 2. Отображено 2.
25-07-2023 дата публикации

Automatic linkage unfolding and folding device and method for multi-rotor unmanned aerial vehicle

Номер: CN116477089A
Автор: LIU GUANGXIN, YANG HONGXI, ZHANG ZHENYUAN, DONG ZHENYE, WANG XUHUI
Принадлежит:

The invention discloses an automatic linkage unfolding and folding device and method for a multi-rotor unmanned aerial vehicle, and belongs to the field of mechanism design of aviation aircrafts, and the automatic linkage unfolding and folding device comprises a vehicle arm mounting seat which is used for connecting a vehicle arm with a vehicle body of the multi-rotor unmanned aerial vehicle; one end of the telescopic electric push rod is fixed on the engine arm mounting seat, the other end of the telescopic electric push rod is fixed on a motor mounting seat of the paddle, and the telescopic electric push rod is used for driving the engine arm to turn over up and down; the paddle unfolding/folding unit is positioned below a motor mounting seat of the paddle and is used for driving the paddle to be unfolded and folded; one end of the control wire is fixed on the arm mounting seat, the other end of the control wire is fixed on the paddle unfolding/folding unit, and the control wire is used ...

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Номер записи: 1
13-06-2023 дата публикации

Membrane sampling ion funnel ionization source device

Номер: CN116259522A
Автор: WU CHENXIN, LI HAIYANG, HUA LEI, CHEN PING, LI YANG, ZHANG ZHENYUAN
Принадлежит:

The invention discloses a membrane sample injection ion funnel ionization source device, and belongs to the technical field of mass spectrum analyzers. The device comprises an ionization source cavity, a vacuum ultraviolet lamp is arranged at the top of the ionization source cavity, and a differential electrode is arranged at the bottom of the ionization source cavity; an ion repulsion electrode is arranged below the vacuum ultraviolet lamp, the ion repulsion electrode and the differential electrode are arranged in parallel, the ion repulsion electrode and the differential electrode are connected through at least three insulating columns, the insulating columns are perpendicular to the differential electrode, a direct current transmission electrode group is arranged on the inner side of each insulating column, a tubular film is arranged on the outer side of each insulating column, and the tubular film is arranged on the outer side of each insulating column. The tubular film is arranged ...

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Номер записи: 2