增压预防门作为防止客舱门把飞机增压到不安全水平的一个措施,在目前民机上应用较为广泛。它能够监控飞机舱门的关闭、闩住和锁定状态,在飞机舱门关闭、闩住、锁定之后才关闭。在飞机降落以后,客舱内会有一定的残留压差,增压预防门也可以用来卸压。随着适航要求的日趋严格,增压预防门设计也将更为复杂。 As a measure to prevent cabin door-to-door pressurization to an unsafe level, booster doors are more widely used on civil aircraft today. It monitors aircraft door closures, latches and locks, and closes when the aircraft door is closed, latched, locked. After the plane landed, the cabin will have a certain residual pressure, booster door can also be used to relieve pressure. With the increasingly stringent airworthiness requirements, booster door design will also be more complex.