Automatic regulating system for temperature controller of refrigeration appliance

The invention relates to an automatic regulating system for a temperature controller of a refrigerating appliance. The automatic regulating system comprises a human-computer interaction interface, a main control board, a servo driver and a regulating device, the regulating device comprises a rotary clamping part, the rotary clamping part comprises a servo motor and a mechanical rotary clamp, and the mechanical rotary clamp is used for clamping a temperature control knob of the refrigeration appliance; the human-computer interaction interface is connected with a main control board or an upper computer, and the human-computer interaction interface is used for inputting a set temperature; the main control board comprises an MCU and a CPLD, the MCU is connected with the upper computer through a communication interface and is used for calling the set temperature and real-time temperature data in the refrigeration appliance in the upper computer, carrying out data calculation and issuing an instruction to the CPLD