48V电池包搭铁线过流原因探究

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[摘要]： 本文通过实车案例的解析过程，探究了造成48V电池包搭铁线过流的不同因素，通过对各个影响因素的逐一验证、排查，最终锁定搭铁线过流的根本原因，总结出一套行之有效的解决方案，为后续车型开发提供借鉴。

[关键词]： 案例解析;48V电池包;搭铁线;搭铁端子;过流

中图分类号：U463.6   文献标志码：A 文章编号：1003-8639（2022）

Research on over Current of Grounding Wire of 48V Battery Pack

【Abstract】Through the analysis process of a real vehicle case ，this paper explores the different factors causing the grounding wire over-current of 48V battery pack， and verifies and investigates each influencing factor one by one. Finally the root cause of the grounding wire over-current is identified， and a set of effective solutions are summarized to provide reference for the subsequent vehicle development

【Keyword】case analysis;48V battery pack;ground wire;ground terminal;over-current

1  问题背景

某在研车型完成耐久实验后例行检查时发现：布置在后备厢处的48V电池包搭铁线束上搭铁端子异常发热，导致备胎垫块泡沫融化。（剩余2385字）