摘要
塑壳断路器要求其操作机构设计需满足合闸、分闸、脱扣、终压力、开距、超程、电性能独立于手动操作力等性能指标;而其各性能、指标参数、操作机构结构参数相互关联耦合,导致塑壳断路器操作机构的设计及优化难度极大。提出依据机构奇异位形、限位块与机构接触状态,对塑壳断路器合闸运动过程进行阶段细分的划分准则,将合闸过程划分为七个运动阶段进行研究;研究机构在不同阶段拓扑结构、自由度变化情况,及对塑壳断路器性能指标的影响,并从原理上解释了塑壳断路器电性能独立于手动操作力的特性。该研究方法有利于揭示塑壳断路器操作机构运动过程的特性变化,为断路器操作机构的设计及优化提供理论基础。
The design of operating mechanism of Molded Case Circuit Breaker （MCCB） should ensure the target of the performance, including closing, opening, tipping, contact pressure, electrode separation, overrun, and the electrical performance independent of the operator behavior. However, the intercoupling of various performance, indexes and structure parameters results in difficulty of the design and optimization of operating mechanism. Based on configurations singular configurations and contact states between stopper and mechanism, seven motion phases of the closing operation of MCCB was divided. The change of topological structure and degree of freedom in different phase and the impact of the change on the performance of MCCB were analyzed. Electrical performance principle of MCCB independent of the operator behavior was revealed. The method was beneficial to reveal the motion characteristics of operating mechanism of MCCB, and provided theoretical basis for the design and optimization of MCCB.
出处
《机械设计与研究》
CSCD
北大核心
2016年第5期179-183,187,共6页
Machine Design And Research
基金
上海市科学技术委员会重点支撑项目(12510501100)
国家自然科学基金资助项目(51475050)
校企合作资助项目(E4-6000-15-0225)
关键词
塑壳断路器(MCCB)
奇异位形
接触状态
划分准则
拓扑结构
molded case circuit breaker （MCCB）
singular configuration
contact state
division criterion
topological structure
作者简介
杭鲁滨（1965-），男，博士，教授；主要研究方而：并联机器人机构学，塑壳断路器操作机构，已发表论文60余篇。E-mail：hanglb@126．com
