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阐述了某型航空氧气调节器肺式机构和空气进气机构的工作原理,对运动部件进行了受力分析并建立相应的数学模型.以供氧系统的性能技术指标和使用条件作为设计计算约束,根据数学模型,利用MATLAB/simulink软件建立仿真计算模型.在此基础上通过仿真计算特性曲线分析完成了系统主要结构参数的选取,并得出了系统的流量特性以及整个飞行高度上的含氧百分比特性.仿真结果表明:以上提出的设计计算方法对航空氧气调节器进行设计与改进是可行的.
The working principle of the aeronautic oxygen regulator lung mechanism and the air intake mechanism is expounded, the force analysis of the moving parts is carried out, and the corresponding mathematical model is set up.With the technical specifications and operating conditions of the oxygen supply system as the design and calculation constraints , According to the mathematical model, the use of MATLAB / simulink software to establish a simulation model.On the basis of the simulation calculation of the characteristic curve analysis completed the selection of the system’s main structural parameters, and the system’s flow characteristics and the entire flight altitude oxygen The simulation results show that it is feasible to design and improve the aeronautical oxygen regulator in the above design and calculation method.