小型断路器操作机构的动作可靠性分析  

Action Reliability Analysis of Operating Mechanism in Miniature Circuit Breaker

作　　者：陈文华[1] 张文[1] 潘骏[1] 张廷秀[1] 陈丽丽[1] 

机构地区：[1]浙江理工大学浙江省机电产品可靠性技术研究重点实验室,杭州310018

出　　处：《中国机械工程》2015年第21期2918-2922,共5页China Mechanical Engineering

基　　金：国家自然科学基金资助项目(51275480);浙江省重点科技创新团队计划资助项目(2010R50005)

摘　　要：对小型断路器操作机构的动作可靠性灵敏度进行探讨。运用机构可靠性设计理论中的Monte Carlo法分析了操作机构在过载分断时的动作可靠性,构建了操作机构在过载分断时的动作可靠性模型;同时,利用Monte Carlo法分析了操作机构的动作可靠性灵敏度,给出了操作机构随机参数可靠性灵敏度的变化规律,研究了随机参数的改变对操作机构动作可靠性的影响。结果表明,该方法能够有效地分析小型断路器操作机构的动作可靠性,同时也可为小型断路器操作机构的可靠性设计提供参考。The operating mechanism action reliability of miniature circuit breaker was studied. The action reliability of miniature circuit breaker was investigated and the mechanism action reliability model was built at the overload breaking moment by using Monte Carlo method of mechanism reliabil- ity design theory. Meanwhile, the action reliability sensitivity of mechanism was analyzed, which gave out the variation laws of random parameters reliability sensitivity and the impacts of random parame- ter changes to operating mechanism action reliability. The analytical results indicate that the method used herein can analyze action reliability of miniature circuit breaker operating mechanism effectively and provide a basis for the design of miniature circuit breaker operating mechanism as well.

关 键 词：小型断路器 操作机构 动作可靠性 灵敏度 

分 类 号：TM561.1[电气工程—电器] TB114.3[理学—概率论与数理统计]