Protective base for outdoor box-type substation

A protective base for an outdoor box-type transformer substation relates to the technical field of box-type transformer substation protection and comprises a transformer substation box body, a base protective device, a dehumidification device and a rain shielding device, the transformer substation box body is arranged on the base protective device, the dehumidification device is arranged in the base protective device, and the rain shielding device is arranged on the transformer substation box body. The base protection device is composed of a first fixing block, a protection frame, a water storage tank and a second drainage pipe, the water storage tank is arranged in the first fixing block, the second drainage pipe is arranged on the first fixing block, and the protection frame is arranged on the lower face of the first fixing block; rainwater from the top of the box-type substation is prevented from falling down to impact the concrete base, the falling rainwater is prevented from splashing to the bottom of th