飞机液压系统单向阀压力损失测试系统的开发

Development of Pressure Loss Test System for Check Valve of Aircraft Hydraulic System

单向阀是飞机液压系统中的重要组成部件,准确测得其压力损失对研究液压系统的性能具有重要指导意义。开发了一种单向阀压力损失测试系统,介绍了测试系统的设计原理和设计功能,利用离心泵的相似曲线特性完成算法设计,利用快速接头实现不同规格单向阀的快速连接,完成硬件平台和软件平台的开发,具有适用范围广、测试精度高的特点,拥有较大的工程应用价值。

Check valve is an important component of aircraft hydraulic system.Accurate measurement of its pressure loss is of great significance for the study of the performance of hydraulic system.A test system for pressure loss of check valve was developed.The design principle and function of the test system were introduced.The algorithm design was completed by using the similar curve characteristics of centrifugal pump.The quick connection of different specifications of check valve was realized by using quick connector.The development of hardware platform and software platform was completed.It has the characteristics of wide application range and high test accuracy,and has great engineering application value.