一种新能源电动汽车智能补电的方法

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中图分类号：U469.72 文献标识码：A 文章编号：1003-8639（2025）08-0032-03

【Abstract】The new energy electricvehicle market has reported isses with theundercharging of12Vlow-voltage bateries.Due to the numerouscontrolunits in electricvehicles，high staticcurrentconsumptionduring vehicle standby， andpoorusage habitsamongsomecustomers，thebateryispronetodepletion，ultimatelypreventing thevehiclefrom achieving high-voltage power-up.This paper proposes a method that uses the Body Control Module（BCM）and Vehicle ControlUnit（VCU）astheprimarycontrollers toenableautomatic bateryrecharge duringhigh-voltagesystemactivation. The systemautomatically monitors the12V battry status during vehicle parking.When thepreset recharge threshold is met，the VCU activates the power battery and DC-DC converter to recharge the 12V battery.

【Key words】 electric vehicles；undercharging；intelligent recharge；low-voltage battery

0 引言

近年来随着电动汽车智能化、网联化的迅速发展，大量高新技术被不断引人到新能源汽车中，新型电子控制单元广泛应用于新功能开发，这些控制器在休眠时大多需要常电来维持数据记忆。（剩余3164字）