▎ 摘　　要

NOVELTY - The utility model model claims an outdoor dustproof and cold-proof communication cabinet, relating to the technical field of communication transmission device, comprising an inner cabinet body and an outer cover, forming an insulating layer, the inner wall of the outer cover is paved with graphene heating sheet; the side wall of the inner cabinet body is provided with multiple inner wall ventilation grids, the periphery of the outer cover is provided with a plurality of outer wall ventilation grids, one side of the outer wall ventilation grid close to the inner cabinet body is provided with a grid active closing mechanism The outdoor dustproof and cold-proof communication cabinet according to the utility model, double-layer cabinet body adopts inner cabinet body and outer cover of the double-layer box body, the cabinet body still can keep proper working temperature under extreme severe cold condition, matching graphene heating sheet, capable of quickly heating the cabinet body, melting snow or making the temperature rise in the cabinet; and the grid actively closed mechanism can automatically close the opening of the outer wall ventilation grid according to the environment condition, avoiding dust or haze dust entering the cabinet body, affecting the heat dissipation and normal work of the communication cabinet, and effectively improving the service life of the device.