Refrigerant filling device for automobile air conditioner

The utility model discloses an automobile air conditioner refrigerant filling device which is provided with a refrigerant tank capable of containing refrigerants; the pressure gauge connector is arranged on the refrigerant tank, and the pressure gauge connector is connected with the refrigerant tank and can be communicated with the interior of the refrigerant tank; the air conditioner pressure gauge is connected with the pressure gauge interface through a pipeline; the heating pad is detachably wound on the refrigerant tank; the fixing device is detachably connected with the two ends of the heating pad, and the problem that an automobile air conditioner refrigerant cannot be effectively injected in the low-temperature environment is solved. Cost is low, manufacturing is convenient, the structure is simple, and operation and installation are easy. 本实用新型公开了一种汽车空调制冷剂加注装置，具有：冷媒罐，能够容纳冷媒；压力表接口，设置在冷媒罐上，压力表接口与冷媒罐连接并能与冷媒罐内部连通；空调压力表，通过管路与压力表接口连接；加热垫，可拆卸缠绕在冷媒罐上；固定装置，可拆卸地连接加热垫的两端，解决低温环境下汽车空调制冷剂无法有效加注的问题。成本低、便于制作、结构简单、操作与