Outdoor centralized control cabinet for transformer substation

The outdoor centralized control cabinet comprises a control cabinet body and a cabinet door, the control cabinet body comprises an external cabinet body and an internal cabinet body, the internal cabinet body is arranged in an inner cavity of the external cabinet body, and an air convection layer is arranged between the external cabinet body and the internal cabinet body; the left side and the right side of the bottom of the outer cabinet body are each provided with an air treatment cavity, and a fresh air system is further arranged in the inner cavity of the outer cabinet body and located on the top face of the inner cabinet body. A control host is arranged in an inner cavity of the internal cabinet body, and is used for receiving temperature data detected by a plurality of temperature sensors distributed on operation equipment in the transformer substation and at line joints, and analyzing and processing the temperature data; whether the temperature value of the monitoring point exceeds the limit or not is