基于故障树的气动球阀用电磁换向阀故障诊断  

Fault Diagnosis of Electromagnetic Directional Valve for Pneumatic Ball Valve Based on Fault Tree

作　　者：王飞[1] 程帆[1] 丁大江 WANG Fei;CHENG Fan;DING Da-jiang(Beijing Institute of Space Launch Technology,Beijing 100076,China)

机构地区：[1]北京航天发射技术研究所

出　　处：《液压气动与密封》2019年第10期64-67,共4页Hydraulics Pneumatics & Seals

摘　　要：应用故障树分析法对气动球阀用电磁换向阀故障进行了分析。详细介绍了电磁换向阀的工作原理,建立了电磁换向阀断电切换延迟故障树模型,进行了电磁换向阀故障分析与定位,提出了故障解决措施和建议,为电磁换向阀的故障诊断和维护提供了理论依据和方法。Fault tree analysis is applied to analyze the faults of electromagnetic directional valve used in pneumatic ball valve.The working principle of solenoid directional valve is introduced in detail.The fault tree model of the delayed switching of the solenoid directional valve is established.The fault analysis and location of the solenoid directional valve are carried out.The fault solving measures and suggestions are put forward.The theoretical basis and method are provided for the fault diagnosis and maintenance of the solenoid directional valve.

关 键 词：电磁换向阀 故障树 故障诊断 气动球阀 

分 类 号：TH138[机械工程—机械制造及自动化] TJ768.3[兵器科学与技术—武器系统与运用工程]