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毕业论文-汽车空调制冷不良故障诊断与检修.doc

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毕业设计(论文) ? 题目: 汽车空调制冷不良故障诊断与检修 摘 要 随着汽车工业的发展和人们生活水平的提高,人们对汽车的舒适性、安全性的要求日益提高,汽车空调已由原来只给高档轿车配置,发展为被各型客车、货车、工程车和特殊用途车辆广泛采用的标准配置汽车空调的普及、发展和不断创新已成为汽车行业的一大亮点。 伴随汽车空调系统的普及与发展,汽车空调的发展大体上经历了五个阶段:单一取暖阶段、单一冷气阶段、冷暖一体化阶段、自动控制阶段、计算机控制阶段。空调的控制方法也经历了由简单到复杂,再由复杂到简单的过程。作为汽车空调系统的电路控制方面也再不段的更新改进。 本文从实际出发,全面、系统地阐述了空调系统的基本结构、工作原理、诊断维修方法。列举了大量的维修实例,详细地讲解了空调系统故障的现象、原因和排除方法。最后以故障检修深入探讨。 关键词:汽车空调 发展 检修 ABSTR ACT Along with automobile industry development and people living standard enhancement, the people to the automobile comfortableness, the secure request enhance day by day, the automobile air conditioning by only has given the upscale passenger vehicle disposition originally, develops for the standard disposition automobile air conditioning popularization, the development which by each passenger train, the freight vehicle, the machine shop truck and the special use vehicles widely uses and innovates unceasingly has become the automobile profession a big luminescent spot. Accompany the popularization and development of automobile air conditioning system, auto air conditioning generally has gone through five stages of development: a single heating stages, single stage for air-conditioning, cooling and heating, automatic control, computer control during the integration phase stage. Air conditioning control methods have gone from simple to complex, from complex to simple process. Circuit automobile air conditioning system control does not update improvement. This article proceeding from reality, comprehensively and systematically expounded the basic structure and working principle of air conditioning systems, repair method for diagnosis. Lists a large number of repair, detailed explanation of air conditioning systems failure phenomena, causes, and troubleshooting. Last to troubleshooting in depth. Keywords: development of automobile air conditioning repair 目录 摘 要--------------------------------------------------------------------1 ABSTR ACT----
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