Ventilation rainproof structure for prefabricated substation

The utility model discloses a ventilation rainproof structure for a prefabricated transformer station, which comprises a prefabricated cabin top cover and a ventilation rainproof structure, the ventilation rainproof structure is arranged above the prefabricated cabin top cover, a connecting plate is reserved above the prefabricated cabin top cover, and the ventilation rainproof structure comprises a ventilation channel, a rainproof cover and a ventilation rainproof baffle. One end of the ventilation channel is connected with the connecting plate, a flow adjusting valve and a draught fan are installed in the ventilation channel through a first installing plate, a rainproof cover is installed on the top of the ventilation channel through an adjusting structure, an air guide plate is arranged on the rainproof cover right facing the inner side of the ventilation channel, and ventilation rainproof baffles are arranged at air outlets in the two sides of the rainproof cover. The ventilation rain-proof baffles compri