Air conditioner outdoor unit recovery system for preventing leakage of refrigerant and method thereof

The invention discloses an air conditioner outdoor unit recovery system for preventing leakage of a refrigerant and a method thereof. The air conditioner outdoor unit recovery system comprises two assembling tools for closing a small valve element and a big valve element of a stop valve of an air conditioner outdoor unit in a refrigerant recovery process correspondingly so that corresponding preset torques can be reached, two counting modules for receiving signals of the two assembling tools correspondingly and counting the closing numbers of the two assembling tools, a controller for comparing numerical values of the two counting modules within a certain time period, and a display device for displaying results compared through the controller. Through a reasonable error correction interlocking mechanism, leakage of the refrigerant caused by manual operation errors in the refrigerant recovery process can be effectively avoided. 本发明公开了种防止冷媒泄露的空调室外机回收系统及其方法，其中，空调室外机回收系统，包括：两个装配工具，在冷媒回收过程中用于分别关闭空调室外机的截止阀的小阀芯和大阀芯达