新能源汽车动力电池组电阻点焊机研究  

Research on Spot Welding Machine for Power Battery of New Energy Vehicles

作　　者：乔勇[1] 杨建东[2] 田春林[1] 张鹏[1] 彭辉[1] 

机构地区：[1]长春理工大学机电工程学院,长春130022 [2]吉林工商学院,长春130507

出　　处：《机械工程师》2017年第1期21-23,共3页Mechanical Engineer

摘　　要：针对新能源汽车动力电池组材料的焊接特性,提出了双脉冲电容储能焊的焊接方式,并分别对双脉冲电容储能焊机的充电电路、电容组以及放电电路进行了设计和分析。最后通过对焊点进行破坏性剪切拉伸实验,证明了双脉冲电容储能焊具有焊接质量稳定且效率较高的优点,能够达到新能源汽车对动力电池组焊点强度和加工效率的设计要求。According to the welding characteristics of new energy vehicle power battery, this paper proposes welding method of double pulse capacitor discharge welding, and designs charging circuit, capacitor bank and discharge circuit of the welding machine. Solder destructive shear tensile test is used to prove that the welding machine has the advantages of stable welding quality and high efficiency, and it can achieve the new energy vehicles power battery joint strength and efficiency of design requirements.

关 键 词：新能源汽车 动力电池组 双脉冲电容储能点焊 

分 类 号：TG431[金属学及工艺—焊接]