摘要
在工业、航空航天及国防等众多系统中,电连接器作为基础性元件,其主要的失效形式是接触失效。为了提高电连接器接触件的接触可靠性,将对接触件进行接触情况与接触疲劳寿命展开研究,利用ABAQUS软件对接触件的插拔特性进行运动仿真,得出接触件的插拔力、接触压力变化情况以及最大应力分布情况;并以单次插拔仿真试验的接触状态作为边界条件,利用FE-SAFE软件对接触件进行接触疲劳寿命预测;最后基于有限元仿真,分析插孔结构的结构参数对接触性能与接触疲劳寿命的影响程度。结果表明,簧片长度、簧片厚度以及开口量对接触性能与接触疲劳寿命都有显著的影响,其中,开口量对接触性能与接触疲劳寿命的影响程度最大。
In many systems such as industry,aerospace and defense,electrical connectors are fundamental components,and their main failure form is contact failure.In order to improve the contact reliability of electrical connector contacts,this paper will study the contact conditions and contact fatigue life of the contact parts,and use ABAQUS software to conduct motion simulation on the insertion and withdrawal characteristics of the contact parts,and obtain the insertion and withdrawal force,contact pressure change and maximum stress distribution of the contact parts.FE-SAFE software is used to predict the contact fatigue life of the contact parts by taking the contact state of the single plug and pull simulation test as the boundary condition.Finally,based on the finite element simulation,the influence degree of the structural parameters of the jack structure on the contact performance and contact fatigue life is analyzed.The results show that the length of reed,the thickness of reed and the number of openings have significant effects on the contact performance and contact fatigue life,among which the number of openings has the greatest effect on the contact performance and contact fatigue life.
作者
姚胜辉
胡姣
龚成平
何锋
Yao Shenghui;Hu Jiao;Gong Chengping;He Feng(School of Mechanical Engineering,Guizhou University,Guiyang 550025,China;Guizhou Huafeng Electric Appliance Co.,Ltd.,Guiyang 550009,China;Guizhou Vocational and Technical College of Economics and Trade,Guiyang 550025,China)
出处
《国外电子测量技术》
2024年第11期1-8,共8页
Foreign Electronic Measurement Technology
基金
贵州省科技计划项目(黔科合支撑[2023]一般318)资助。
关键词
电连接器
接触件
有限元
接触疲劳
寿命
electrical connector
contact part
finite element analysis
contact fatigue
fatigue life
作者简介
姚胜辉,硕士研究生,主要研究方向为零部件结构可靠性分析。E-mail:545903221@qq.com;通信作者:何锋,教授,硕士生导师,主要研究方向为汽车及其零部件设计理论与方法。E-mail:hef@gzu.edu.cn。
