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工程设计学报
工程设计学报  2018, Vol. 25 Issue (1): 110-117    DOI: 10.3785/j.issn.1006-754X.2018.01.015
通用零部件设计     
冲击环境下电连接器接触性能研究
骆燕燕1, 武雄伟1, 田亚超2, 于长潮3
1. 河北工业大学 电气工程学院, 天津 300130;
2. 许继电气股份有限公司, 河南 许昌 461000;
3. 国家电网河北省电力有限公司 沧州市渤海新区供电分公司, 河北 沧州 061000
Study on the contact performance of electric connector under impact environment
LUO Yan-yan1, WU Xiong-wei1, TIAN Ya-chao2, YU Chang-chao3
1. School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China;
2. Xuji Electric Co., Ltd., Xuchang 461000, China;
3. Bohai New Area Power Branch, Cangzhou City, State Grid Hebei Electric Power Co., Ltd., Cangzhou 061000, China
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摘要：

冲击应力是影响电连接器接触性能的主要环境因素之一。针对传统试验成本高、耗时长且难以实现某些高强度环境试验的局限性，采用仿真方法研究冲击环境下电连接器接触件接触性能参数变化规律。结合理论力学基本原理，通过ANSYS建立电连接器接触件实物模型、动力学模块模拟冲击试验，分析了试验严酷等级、冲击脉冲持续时间及峰值加速度对接触件的形变、应力和接触压力等参数的影响，并对接触压力仿真结果进行试验验证。结果表明：冲击试验过程中，接触件形变受冲击影响最大；接触性能参数随严酷等级的增加，先缓慢增大后快速增大；随脉冲持续时间的增加，先急剧下降后缓慢减小；而在峰值加速度变化时基本保持稳定。由此可知，严酷等级和脉冲持续时间对电连接器接触性能参数变化起主导作用，仿真结果可为产品设计提供一定的理论参考。
关键词： 电连接器;  接触性能;  冲击应力;  有限元分析    
Abstract:

Impact stress is one of the main environmental factors that affect the contact performance of electrical connectors. In view of the high cost, long consuming time and difficult to implement some high strength environmental tests, the change rules of the contact performance parameters of electrical connector contacts under the impact environment are studied by simulation. Based on the basic principles of theoretical mechanics, the physical model of electrical connector contact was established by ANSYS, and the dynamics model was used to simulate the real impact test, the effects of the test severity level, pulse duration and peak acceleration on the deformation, stress and contact force of contacts were analyzed, and some simulation results were verified by test. The results showed that, during the process of impact test, among the contact parameters, the contact deformation was affected most by the impact. The contact parameters increased slowly and then increased rapidly with the increase of severity level; and they decreased rapidly and then decreased slowly with the increase of pulse duration; but they were basically stable when the peak acceleration changed. It can be seen that the test severity level and pulse duration play dominant roles in the change of contact performance parameters, and the simulation results can provide a theoretical reference for product design.
Key words: electrical connector    contact performance    impact stress    finite element analysis
收稿日期: 2017-06-02 出版日期: 2018-02-28
CLC:  TM503.5  
基金资助:

国家自然科学基金资助项目（51107028）；河北省电工产品可靠性技术2011协同创新中心项目
作者简介: 骆燕燕(1971-),女,浙江绍兴人,教授,博士生导师,博士,从事电器可靠性研究,E-mail:luoyy@hebut.edu.cn,http://orcid.org/0000-0002-0847-2139
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引用本文:

骆燕燕, 武雄伟, 田亚超, 于长潮. 冲击环境下电连接器接触性能研究[J]. 工程设计学报, 2018, 25(1): 110-117.

LUO Yan-yan, WU Xiong-wei, TIAN Ya-chao, YU Chang-chao. Study on the contact performance of electric connector under impact environment. Chinese Journal of Engineering Design, 2018, 25(1): 110-117.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2018.01.015    或    https://www.zjujournals.com/gcsjxb/CN/Y2018/V25/I1/110

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