BLOWER FACILITY

The utility model relates to an air supply device which comprises a cabinet body, a first air supply device, a second air supply device, a first air supply device, a second air supply device and an air supply control device, and the cabinet body is provided with an air inlet and an air supply outlet. The air inlet and the air supply outlet are communicated in the cabinet body to form a first air duct; the refrigerating system and the electric control box are arranged in the cabinet body, and the electric control box is used for controlling the refrigerating system to cool air at the air inlet, so that the cooled air is exhausted through the first air duct and the air supply outlet; one end of the second air duct is communicated with the first air duct, the other end of the second air duct is arranged at the position of the electric control box, and the second air duct is used for guiding the cooled air in the first air duct to the position of the electric control box so as to cool the electric control box. Ac