电磁阀产品的可靠性强化试验方法研究  

Research on Reliability Enhancement Test Method of Solenoid Valve

作　　者：曹宏发 王正杰 王孝延 刘每 陈蓝 CAO Hongfa;WANG Zhengjie;WANG Xiaoyan;LIU Mei;CHEN Lan(Locomotive&Car Research Institute,China Academy of Railway Sciences Corporation Limited,Beijing 100081,China;Beijing Zongheng Electro-Mechanical Technology Co.,Ltd.,Beijing 100094,China)

机构地区：[1]中国铁道科学研究院集团有限公司机车车辆研究所,北京100081 [2]北京纵横机电科技有限公司,北京100094

出　　处：《铁道机车车辆》2023年第3期154-160,共7页Railway Locomotive & Car

基　　金：中国铁道科学研究院集团有限公司青年课题(2018YJ023)。

摘　　要：可靠性强化试验是一种通过逐步地增强施加在试验产品上的试验应力,确定产品耐受应力极限的试验,具有试验周期短、暴露故障快的特点,是提高产品固有可靠性水平的有效手段。文中基于轨道交通制动系统所使用的某型电磁阀,设计了其可靠性强化试验的工作流程,制定各个阶段的试验剖面,并开展相应试验。根据试验结果,表明该工程应用可行,为电磁阀的优化改进提供了方向。Reliability enhancement test is a test that determines the product’s tolerance stress limit by gradually increasing the test stress imposed on the test product.It has the characteristics of short test cycle and quick failure exposure,and is an effective means to improve the inherent reliability of the product.This paper based on a certain type of solenoid valve used in rail transit braking system,designs the work flow of reliability enhancement test,develops the test profile of each stage,and carries out corresponding tests.According to the test results,the engineering application is feasible,and it provides a direction for the improvement of solenoid valve.

关 键 词：轨道交通制动系统 电磁阀 可靠性强化试验 试验剖面 

分 类 号：U270.35[机械工程—车辆工程]