阅读说明：本技术 一种共轨压力控制阀特性测试系统及方法 (Common rail pressure control valve characteristic test system and method ) 是由 李文文 施水娟 朱发家 刘轶琨 裴少勇 宋睿智 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种共轨压力控制阀特性测试系统和利用上述测试系统检测共轨压力控制阀特性的方法,测试系统包括共轨泵、共轨管、轨压传感器、限压阀、油箱、专用ECU和工控机；共轨泵将校泵油从油箱泵至共轨管中,共轨管上安装有轨压传感器和限压阀,被测共轨压力控制阀通过专用工装安装在共轨管的出口,回油直接或经流量计回至油箱；专用ECU驱动共轨泵的进油计量阀和控制共轨压力控制阀,工控机用于采集流量计的信号,控制共轨泵的转速。本发明有效解决了共轨压力控制阀不通电时出口流量与轨压的特性关系、共轨压力控制阀出口流量一定时不同驱动电流与轨压的特性关系以及共轨压力控制阀开启和关闭时轨压响应的延时时间等测试难题。(The invention discloses a common rail pressure control valve characteristic test system and a method for detecting the characteristics of a common rail pressure control valve by using the test system, wherein the test system comprises a common rail pump, a common rail pipe, a rail pressure sensor, a pressure limiting valve, an oil tank, a special ECU (electronic control unit) and an industrial personal computer; the common rail pump pumps the calibration oil from the oil tank to a common rail pipe, a rail pressure sensor and a pressure limiting valve are installed on the common rail pipe, a measured common rail pressure control valve is installed at an outlet of the common rail pipe through a special tool, and return oil is returned to the oil tank directly or through a flowmeter; the special ECU drives an oil inlet metering valve of the common rail pump and a control common rail pressure control valve, and the industrial personal computer is used for collecting signals of the flow meter and controlling the rotating speed of the common rail pump. The invention effectively solves the test problems of the characteristic relation between the outlet flow and the rail pressure when the common rail pressure control valve is not electrified, the characteristic relation between different driving currents and the rail pressure when the outlet flow of the common rail pressure control valve is fixed at a certain time, the delay time of the rail pressure response when the common rail pressure control valve is opened and closed, and the like.)