Fresh air taking control device of air compressor

The utility model provides a fresh air taking control device of an air compressor. The fresh air taking control device comprises an outdoor air taking pipe, an indoor air taking pipe, a first electric air valve, a second electric air valve, a first temperature and humidity sensor, a second temperature and humidity sensor and a controller. An air inlet of the air compressor body communicates with an outdoor air taking air pipe and an indoor air taking air pipe, a first electric air valve is arranged on the outdoor air taking air pipe, and a second electric air valve is arranged on the indoor air taking air pipe. The first temperature and humidity sensor is arranged outdoors and used for detecting outdoor temperature and humidity. The second temperature and humidity sensor is arranged on the indoor air taking air pipe and used for detecting indoor temperature and humidity. And the controller calculates to obtain a corresponding outdoor air enthalpy value and a corresponding indoor air enthalpy value according t