Midea Group Co., Ltd.

Gd Midea Heating & Ventilating Equipment Co., Ltd.

Fangcheng Guo

Bin Li

Bin Luo

Dongdong Li

Jintong Wu

A compressor return air dryness detection method includes: obtaining an exhaust air pressure, a return air pressure, a working frequency, an exhaust air temperature, and a return air temperature of a compressor; determining a return air saturation temperature corresponding to the return air pressure; calculating a temperature difference value based on the return air temperature and the return air saturation temperature; and in accordance with a determination that the temperature difference value is smaller than a predetermined threshold value, calculating a return air dryness of the compressor based on the exhaust air pressure, the return air pressure, the working frequency, and the exhaust air temperature.

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Shanghai, China

Fangcheng Guo