基于温度补偿的汽车蒸发器结冰控制及验证  

Control and Validation of Automotive Evaporator Freezing Based on Temperature Compensation

作　　者：许海东[1] 梅永杰 李爱成[1] 

机构地区：[1]上海大众汽车有限公司,上海201805

出　　处：《流体机械》2014年第11期68-72,53,共6页Fluid Machinery

摘　　要：以某款汽车平台为对象,对空调蒸发器表面结冰的原因进行了综合分析。温度传感器的位置定位,传感器反馈到控制器的温度值和控制器的读取精度是影响结冰的主要因素。就此提出改进蒸发器温度传感器R/T曲线的方案,通过汽车环境模拟试验和实车道路测试结果表明,改进的措施能有效防止蒸发器表面结冰,提高了车内环境的舒适性和空调系统的可靠性。Using a car platform as the subject,the causes of freezing on the air conditioning evaporator surface are analyzed.The location of the temperature sensor,the temperature value of sensor feedback to the controller and the reading accuracy of the con-troller are the main factors that influence freezing.Accordingly a program for the improvement of the evaporator temperature sensor＆#39;s R/T curve is proposed.Through automotive environment simulation and real-vehicle road testing,the results show that the im-proved measures can effectively prevent the evaporator surface from freezing.The comfort of interior environment and the reliability of the air conditioning system are improved.

关 键 词：空调蒸发器 结冰 温度传感器 改进 

分 类 号：TH137.8[机械工程—机械制造及自动化] U463.85[机械工程—车辆工程]