新能源汽车底部碰撞安全测评技术研究  

Research on bottom collision safety assessment technology for new energy vehicles

作　　者：闫鹏飞 何兴[1,2] 高妍 刘祎帆 Yan Pengfei;He Xing;Gao Yan;Liu Yifan(China Automotive Technology and Research Center Co.,Ltd.,Tianjin 300300,China;China Automotive Re-search New Energy Vehicle Inspection Center(Tianjin)Co.,Ltd.,Tianjin 300300,China)

机构地区：[1]中国汽车技术研究中心有限公司,天津300300 [2]中汽研新能源汽车检验中心(天津)有限公司,天津300300

出　　处：《消防科学与技术》2024年第5期737-742,共6页Fire Science and Technology

基　　金：国家重点研发计划(2021YFB2501500)。

摘　　要：通过对复杂底部碰撞场景的分析,并基于托底工况,结合试验和仿真手段搭建出底部防护安全测评技术方案,揭示了底部磕碰障碍物和电池系统的作用机理。基于试验和仿真的联动分析,创建涵盖不同损伤因子的多工况、可结构设计优化的最优测评方案,为复杂场景工况合理提取、有效表征新能源汽车底部碰撞安全问题提供重要支撑。This article analyzes complex bottom collision sce-narios and builds a bottom protection safety evaluation technology scheme based on bottom collision conditions,combined with ex-perimental and simulation methods,revealing the mechanism of bottom collision obstacles and battery systems.Based on the link-age analysis of experiments and simulations,an optimal evalua-tion plan covering multiple damage factors for structural design optimization was created,which provides important support for the reasonable extraction of complex scene working conditions and effective characterization of bottom collision safety issues in new energy vehicles.

关 键 词：绿色发展 新能源汽车 底部磕碰 联动分析 损伤因子 

分 类 号：X932[环境科学与工程—安全科学] TM912[电气工程—电力电子与电力传动]