整车控制系统常见故障之电源故障  

Power Failure of Common Faults in Vehicle Control System

作　　者：李昕 刘宁 郭鹏辉 谭宇宁 Li Xin;Liu Ning;Guo Peng-hui;Tan Yu-ning(Shanxi Engineering Vocational College,Shanxi Taiyuan 030000;Shanxi Vocational University of Engineering Science and Technology,Shanxi Jinzhong 030604;Shanxi Kunming Tobacco Co.Ltd.,Shanxi Taiyuan 030000;Shanxi Finance and Vocational College,Shanxi Taiyuan 030000)

机构地区：[1]山西工程职业学院,山西太原030000 [2]山西工程科技职业大学,山西晋中030604 [3]山西昆明烟草有限责任公司,山西太原030000 [4]山西金融职业学院,山西太原030000

出　　处：《内燃机与配件》2024年第21期94-96,共3页Internal Combustion Engine & Parts

基　　金：山西工程职业学院2022年度院级课题“新能源汽车发展现状及关键技术研究”(KY2022-09)。

摘　　要：新能源汽车整车控制系统是新能源汽车中不可或缺的核心部分,它负责汽车的行驶控制、能量管理、网络管理、故障诊断与处理以及车辆状态监控等多项功能,确保汽车能在高效、经济且可靠的状态下稳定运行。本文以吉利EV450为例,通过对新能源汽车整车控制系统的线路进行深入分析,特别是针对+B电源、IG点火开关电源和功率电源(也称为持续供电电源)的故障诊断与检测,加深学生对于理论知识的理解,进一步提升实践能力,培养安全意识,激发学生的自主学习兴趣。The new energy vehicle control system is an indispensable core part of the new energy vehicle,which is responsible for the vehicle's driving control,energy management,network management,fault diagnosis and processing and vehicle status monitoring and other functions to ensure that the vehicle can run stably in an efficient,economic and reliable state.This paper takes Geely EV450 as an example,through in-depth analysis of the lines of the control system of new energy vehicles,especially the fault diagnosis and detection of+B power supply,IG ignition switch power supply and power supply(also known as continuous power supply),to deepen students'understanding of theoretical knowledge,further improve practical ability,and cultivate safety awareness.Stimulate students'interest in independent learning.

关 键 词：整车控制系统 故障诊断 电源 断路 短路 

分 类 号：U472.4[机械工程—车辆工程]