APU air-entraining electric actuator capable of being automatically closed

The invention belongs to the technical field of aviation accessories, and particularly relates to an APU (auxiliary power unit) air-entraining electric actuator capable of being automatically closed, which comprises a motor, an electric control mechanism, an air-entraining valve, a power failure automatic reset mechanism and a control assembly, and can be automatically closed after power failure at any position so as to protect an auxiliary power unit (APU) of an airplane. Therefore, the reliability of the aircraft auxiliary power system is improved, and the flight safety is greatly improved. 本发明属于航空附件技术领域，具体涉及一种可自动关闭的APU引气电作动器，包括：电动机、电动操纵机构、引气阀门、掉电自动复位机构和控制组件，能够实现任意位置掉电后可自动关闭的APU引气电作动器，以保护飞机的辅助动力装置(APU)，从而提高飞机辅助动力系统的可靠性，极大提高了飞行安全性。