轨道交通车辆变频空调制冷剂泄漏在线诊断研究  

Research on Online Diagnosis of Refrigerant Leakage of Inverter Air Conditioner for Rail Transit Vehicles

作　　者：张永利 王磊 高福学 佘凯 赵金刚 ZHANG Yongli;WANG Lei;GAO Fuxue;SHE Kai;ZHAO Jin’gang(Engineering Design Department of Shandong Longertek Technology Co.,Ltd.,Qingdao 266071,China)

机构地区：[1]山东朗进科技股份有限公司工程设计部,山东青岛266071

出　　处：《铁道车辆》2021年第1期27-30,共4页Rolling Stock

摘　　要：针对轨道交通车辆变频空调运行过程中常见的制冷剂泄漏故障进行了试验,通过采集不同制冷剂充注量下空调机组制冷系统的状态信息,得出了空调机组缺少制冷剂的判定标准,并提出了缺少制冷剂故障的在线诊断方案,可实现变频轨道空调运营维护维修的智能化。Against common fault of refrigerant leakage during operation of inverter air conditioner for rail transit vehicles,the test is carried out.Via collecting the status information of refrigerating system of air conditioning unit with different refrigerant charges,the criterion for air conditioning lacking of refrigerant is obtained,and the online diagnosis scheme for fault of leakage of refrigerant is provided,which can realize the intelligentization of operation maintenance and repair for air conditioner for railway vehicles.

关 键 词：轨道交通车辆 变频空调 制冷剂泄漏 故障诊断 

分 类 号：U270.383[机械工程—车辆工程]