Air-cooled electrical control cabinet

The utility model discloses an air-cooled electrical control cabinet, which comprises a cabinet body, a sealing partition plate and a support plate, and is characterized in that the sealing partitionplate divides the cabinet body into a first sealing cavity and a second sealing cavity, the second sealing cavity forms an outer air duct, and outer air duct ventilation openings are formed in the topand the bottom of the second sealing cavity; the supporting plate is installed in the first sealing cavity, an inner air duct is formed in the area between the supporting plate and the sealing partition plate, and an inner air duct ventilation opening is formed in the bottom of the supporting plate. A control device, a first sensor group, a turbofan and a radiator are mounted on the supporting plate; a heater is further installed at the bottom of the cabinet body, and a second sensor set is installed outside the cabinet body. Through the arrangement of the double air ducts, the control deviceand the parts connected wi