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飞机的空调系统的作用是在各种不同的飞行状态和外界条件下,使飞机的驾驶舱、旅客舱、设备舱以及货舱具有良好的环境参数,以保证飞行人员和乘客的正常工作条件和生活环境、设备的正常工作及货物的安全。其中的压力控制系统作为重要的组成部分,它包括压力控制面板、压力控制器、排气活门、感压输入装置和监视器,其中最主要的是前三个部件。系统的控制部件是压力控制器,而排气活门则是作为系统的执行部件。按照控制部件与执行部件的工作原理的分类,波音737飞机的座舱压力
The role of the aircraft’s air conditioning system is to have good environmental parameters in the cockpit, passenger cabin, equipment compartment and hold of the aircraft under various flight conditions and external conditions so as to ensure the normal working conditions and life of pilots and passengers Environment, equipment, normal work and cargo safety. The pressure control system is an integral part of the system. It consists of a pressure control panel, a pressure controller, an exhaust valve, a pressure-sensitive input device and a monitor. The most important are the first three components. The system’s control unit is the pressure controller, while the exhaust valve is the system’s executive unit. In accordance with the classification of the working principle of the control unit and the executive unit, the cabin pressure of the Boeing 737