The invention discloses a two-stage adjustable air inlet air door device which comprises a control unit and a base fixedly connected to the interior of a cabin, a guide rail is fixedly connected to the upper end of the base, a sliding block is slidably connected to the guide rail, a driving mechanism is fixedly connected to the guide rail and used for driving the sliding block to slide along the guide rail, and an air door plate is hinged to the lower end of the base. A connecting rod is hinged between the air door plates; the control unit is used for starting the driving mechanism so that the air door plate can be conformal with the outer contour streamline of the cabin body or the inner wall face of the air inlet channel. According to the invention, when air entraining is stopped, the air door plate can be conformal with the streamline of the outer contour of the cabin body, and when air entraining is carried out, the air door plate can be conformal with the inner wall surface of the air inlet channel, that is, the flight resistance cannot be increased no matter when air entraining is stopped or carried out, and air flow can uniformly enter an environmental control system during air entraining; in addition, the air door plate, the connecting rod and the sliding block form a crank sliding block structure, the structure is simple, the installation space is small, needed driving force is small, cost is low, reliability is high, and accessibility is good.
本发明公开了一种两级可调进气风门装置,包括控制单元和固定连接在舱体内部的基座,基座的上端固定连接有导轨,导轨上滑动连接有滑块,导轨上固定连接有驱动机构,驱动机构用于驱使滑块沿导轨滑动,基座的下端铰接有风门板,风门板与风门板之间铰接有连杆;控制单元用于启动驱动机构,以使风门板与舱体外轮廓流线或进气道内壁面共形。本发明中,停止引气时风门板能与舱体外轮廓流线共形,且引气时风门板能与进气道内壁面共形,即不论是停止引气时还是引气时均不会增大飞行阻力,引气时气流还能够均匀地进入环控系统;另外,风门板、连杆和滑块构成曲柄滑块结构,其结构简单、安装空间小、所需驱动力小、成本低廉、可靠性高且可达性好。
Two-stage adjustable air inlet air door device
两级可调进气风门装置
2024-01-23
Patent
Electronic Resource
Chinese
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |