Abstract: Automobile air conditioning, as one of the most important components to ensure the comfort of driving, has always been concerned by major enterprises and universities. In order to grasp the development trend of automobile air conditioning, the relevant research on automobile air conditioning system at home and abroad is summarized, the research status of main components and alternative refrigerants of automobile air conditioning is elaborated, the mainstream new energy automobile air conditioning system and alternative air conditioning system at this stage are analyzed. The development direction of automobile air conditioning technology is analyzed, and the key to the development of automobile air conditioning is to develop an efficient, energy-saving and heat pump air conditioning system has great potential.

Key words: Traditional automobile air conditioning; Alternative refrigerants; Air conditioning for new energy vehicles; Development trend

摘要： 汽车空调作为保证汽车乘坐舒适性的重要部件之一，一直受到各大企业和高校的关注。 为了掌握汽车空调发展动态，对国内外汽车空调系统有关研究进行了总结，阐述了汽车空调 的主要部件和替代制冷剂的研究现状，同时概括分析了现阶段主流新能源汽车空调系统以及 替代空调系统，分析了汽车空调技术发展方向。当前开发出高效、节能和结构紧凑的汽车空 调系统是汽车空调发展的关键，热泵空调系统具有很大潜力。

关键词: 传统汽车空调；替代制冷剂；新能源汽车空调；发展趋势