卡扣式快换系统电池包模态的分析和优化  

Analysis and Optimization of Battery Pack Mode in Snap Change System

作　　者：王水利 孙冠一 关呈军 李继明 王宇霄 WANG Shuili;SUN Guanyi;GUAN Chengjun;LI Jiming;WANG Yuxiao(Blue Park Smart(Beijing)Energy Technology Company Limited,Beijing 100176,China)

机构地区：[1]蓝谷智慧(北京)能源科技有限公司,北京100176

出　　处：《汽车实用技术》2024年第16期10-15,共6页Automobile Applied Technology

摘　　要：文章针对卡扣式快换锁体对电池包Z向模态的影响进行研究,通过对快换锁体Z向容差行程的分级调整和结构优化,限位机构结构和限位形式调整,缓冲块不同硬度和应力变化三个维度分析,并结合计算机辅助工程(CAE)分析和振动台架扫频测试多种手段。一定条件下,在满足快换系统加解锁功能的基础上,探索分析快换锁体容差位移尺寸,限位机构形式,Z向缓冲块反向应力大小三个关键因素的的最佳尺寸,结构形式和柔性连接应力值,研究确定最佳平衡参数,提高快换电池包Z向振动模态,使用寿命和经济性。In this paper,the influence of the snap-change lock body on the Z-mode of the battery pack is studied.Through the classification adjustment and structural optimization of the Z-tolerance stroke of the snap-change lock body,the adjustment of the structure and the form of the limit mechanism,and the analysis of different hardness and stress changes of the buffer block,the computer aided engineering(CAE)analysis and the vibration bench sweep frequency test are combined.Under certain conditions,on the basis of satisfying the quick-change system and unlocking function,the optimal size,structural form and flexible connection stress value of the three key factors of the quickchange lock body tolerance displacement size,limiting mechanism form and Z-direction buffer block reverse stress size are explored and analyzed,and the optimal balance parameters are studied and determined to improve Z vibration mode,service life and economy of quick change battery pack.

关 键 词：快换锁止 振动模态 振幅位移 应力 

分 类 号：U469.7[机械工程—车辆工程]