电动汽车故障诊断与分析毕业设计论文

常州机电职业技术学院

毕业设计（论文）

系 部：专 业：题 目：

车辆工程系 汽车检测与维修 电动汽车故障诊断与分析

2013 年 5 月

毕业设计（论文）中文摘要

电动汽车的出现对解决当今世界能源危机问题和环保有很大的帮助。而且低碳环保的概念正成为主流思想，所以在可以预见的未来电动汽车必将成为大势。 对此本文对电动汽车的发展史进行了较为详细的介绍，并阐述了增程式电动汽车的定义、原理、特点以及系统的设计方案。着重对电动汽车常见的故障现象进行了分析并对出现的故障给出了解决方案，并且给出了对于电动汽车日常保养的一些建议。 关键词：电动汽车 故障检测 故障维修 原理

毕业设计（论文）中文摘要

Title：Electric automotive fault diagnosis and analysis Abstract：The world's energy crisis and environmental protection are of great help. And the concept of low-carbon environmental protection is becoming mainstream thinking, so in the foreseeable future electric vehicles will become mainstream. This article on the history of the development of electric vehicles for a more detailed description, and expounded the definition of electric vehicles by the program, principles, characteristics and system design. Focuses on electric cars common symptoms were analyzed and failures gives a solution. For electric vehicles, and gives some suggestions for routine maintenance . Keyword: Electric cars fault detect breakdown maintenance principle

目 录

1绪论 ...................................................................................................................................... 1 1.1电动汽车的发展史 ..................................................................................................... 1 1.2燃油汽车与纯电动汽车的优缺点 ............................................................................. 2 1.3国内现状 ..................................................................................................................... 5 1.4国外现状 ..................................................................................................................... 7 2电动汽车动力系统设计方案 .............................................................................................. 9 2.1电动汽车概论 ............................................................................................................. 9

2.1.1增程式电动汽车的定义 .................................................................................. 9 2.1.2增程式电动汽车的工作原理 .......................................................................... 9 2.1.3增程式电动汽车的工作特点 .......................................................................... 9 2.2电动汽车动力系统设计方案 ................................................................................... 10

2.2.1电动汽车的基本结构 .................................................................................... 10 2.2.2电驱动的结构形式 ........................................................................................ 12 2.2.3储能装置的结构形式 .................................................................................... 13 2.2.4带增程器的结构形式 .................................................................................... 14 3电动汽车的故障诊断 ........................................................................................................ 16 3.1汽车故障诊断定义 ................................................................................................... 16 3.2电动汽车故障诊断基本流程 ................................................................................... 16 4电动汽车常见故障分析 .................................................................................................... 17 4.1整车没电产生的原因 ............................................................................................... 17 4.2充电机不充电的原因 ............................................................................................... 17 4.3局部过热及抖动的原因 ........................................................................................... 17 4.4电动机异响的原因 ................................................................................................... 17 4.5刹车效果不灵的原因 ............................................................................................... 18 5电动汽车使用常识及保养 ................................................................................................ 19 5.1电动汽车使用常识 ................................................................................................... 19

5.1.1电动汽车怎样充电 .......................................................................................... 19 5.1.2影响电池寿命的因素 ...................................................................................... 19 5.2保养锦囊 ................................................................................................................... 19 结 论 ................................................................................................................................... 22 致 谢 ................................................................................................................................... 22 参考文献 ............................................................................................................................... 24