7--目录

河北交通职业技术学院毕业论文

目 录

1. 绪论······································································································································1 2. 汽车空调··························································································· 错误！未定义书签。 2.1汽车空调的发展········································································ 错误！未定义书签。 2.2帕特森B5空调·············································································································1 3. 帕萨特B5空调的组成和工作原理····················································································3 3.1 B5空调的组成·············································································································3 3.1.1 压缩机··················································································································2 3.1.2 蒸发器和冷凝器··································································································3 3.1.3 膨胀阀··················································································································3 3.1.4 管道······················································································································3 3.1.5 贮液干燥器··········································································································4 3.2 B5空调的工作原理·····································································································4 4. 帕萨特B5空调的故障分析与维修方案············································································5 4.1 B5空调制冷故障总结·································································································5 4.1.1 制冷剂过少造成制冷剂不足············································································5 4.1.2制冷剂与冷冻机引起制冷量不足·····································································5 4.1.3空调制冷系统中有水份渗入造成制冷不足·····················································5 4.1.4 系统中有空气也是导致制冷不足的原因之一················································5 4.1.5 压缩机驱动带过松的检查················································································5 4.1.6 冷凝器散热能力下降，也会导致空调制冷能力下降····································6 5. 总结······································································································································6 参考文献····································································································································7 致谢············································································································································8