Dehumidification device for distribution box

The invention discloses a dehumidification device for a distribution box, and belongs to the technical field of distribution boxes. A dehumidification device for a distribution box comprises a box body and a box door hinged to the box body, an air inlet and an air outlet are formed in the box body, a mounting frame is arranged in the air inlet, a driving motor is arranged in the mounting frame, the output end of the driving motor is connected with a driving shaft, fan blades are arranged on the driving shaft, and a supporting plate is fixedly connected to the inner wall of the box body. A concave hole is formed in the middle of the supporting plate, a dehumidification box is arranged on the supporting plate in a sliding mode, a driving assembly used for driving the dehumidification box to move is arranged on the driving shaft, an air inlet shell is arranged at the air inlet, a heat preservation shell is arranged on the outer side of the air inlet shell in a sleeving mode, and an air outlet is formed in the he