摘 要：分析电动汽车单体电池采集电路出现单体电压异常和菊花链通信异常的原因，并给出有效的解决对策，保障单体电池信息采集电路的可靠性。
关键词：电动汽车；动力电池；采集电路；故障分析；解决对策
中图分类号：U469. 72; U463. 63+3 文献标志码：A 文章编号：1006-3331(2023)01-0049-03
Fault Analysis and Counter-measures of Single Battery Acquisition Circuit in Electric Vehicles
LI Hui, WEN Jingjun
Abstract: This paper analyzes the causes of abnormal cell voltage and daisy chain communication faults in the collection circuit of the single battery of an electric vehicle and provides effective counter-measures to ensure the reliability of the single battery information collection circuit.
Key words: electric vehicle; power battery; acquisition circuit; fault analysis; counter-measure
