一种新型低压断路器大电流试验设备  

Novel large current test equipment for low voltage circuit breakers

作　　者：张昊[1] 谢秋慧[1] 蔡春皓[1] 傅培刚[1] 赵勇[1] 朱明磊[2] 居洪泉 吴非[1] 郑轮 

机构地区：[1]上海出入境检验检疫局,上海200002 [2]浙江大学电气工程学院,浙江杭州310027

出　　处：《机电工程》2016年第4期476-482,共7页Journal of Mechanical & Electrical Engineering

基　　金：国家质检总局科技计划资助项目(2014K190)

摘　　要：针对低压断路器大电流检测设备的功耗高和自动化水平低等方面的问题,对低压断路器相关检测标准和目前设备存在问题进行了归纳,提出了一种针对低压断路器新型大电流试验设备。在对新型设备的结构进行简述的基础上,分析了设备中气缸压力和接触电阻之间的关系,得出了设备在保证材料寿命的条件能够减小测试功耗的结论。对设备中的电流回路的结构进行研究,得出了设备特殊结构有利于提高测试电压和优化设备中变压器设计的结论。对设备运行方式进行了总结,提出了一种基于该设备的自动化流水线方案。利用新型样机对低压断路器进行过流检测试验。研究结果表明,该设备有效降低测试功耗,新型设备在满足测试要求的基础上具有小体积、低功耗和高自动化水平的效果。Aiming at the problems of high power consumption and low automation level in the traditional equipments measuring low voltage circuit breakers,the related testing standards and the existing problems of the traditional equipments were summarized,and a novel machinery structure of current detection equipments for low voltage circuit breakers was investigated. Based on a brief introduction to the proposed equipment structure,the relationship between the cylinder pressure and the contact resistance was analyzed,and the conclusion was obtained that the power consumption of the equipment was reduced with its long material life. Based on the research on the path of the current loop in the proposed equipment,the conclusion was obtained that the test voltage was improved and the design of the transformer in the equipment was optimized because of its special structure. Based on the summary of the operation mode,a new automated assembly line project based on this device was presented. The over current characteristics of low voltage circuit breakers were tested by the proposed equipment. The research results indicate that the power consumption of the proposed equipment is lower than the traditional ones. The proposed equipment has characteristics of small size,low power consumption and high automation level on the condition of meeting the test requirements.

关 键 词：低压断路器过流检测 设备机械结构 测试功耗 

分 类 号：TM561[电气工程—电器] TP24[自动化与计算机技术—检测技术与自动化装置]