Controller with fan having sterilization function

The utility model discloses a controller with a fan having a sterilization function. The system comprises a main control part and a communication part, main control part is connected with communication part, the main control part comprises an MCU main control module, a current sampling module, a voltage checking module, an MOS driving module, a protection module and a direct-current brushless motor. The communication part comprises a main control module, a nixie tube display module, a touch module, an infrared receiving module and a Bluetooth module; the MCU main control module is connected with the current sampling module, the voltage checking module, the MOS driving module and the protection module. According to the utility model, the motor drive board is provided with the protection circuit; over-current protection, over-voltage and under-voltage protection, open-phase protection and locked-rotor protection are achieved through the protection circuit, once over-current, over-voltage, under-voltage, open-ph