Control cabinet dustproof protection device

The utility model discloses a dustproof protection device for a control cabinet, and the device comprises the control cabinet which is provided with a ventilation dustproof mechanism. The ventilationdustproof mechanism comprises a silent fan, a folding plate and a dustproof net. A ventilation opening is formed in the side wall surface of the control cabinet; strip-shaped plates are fixed on the side wall surface of the control cabinet and positioned on the left side and the right side of the ventilation opening; a strip-shaped bearing plate is fixed to the upper wall faces of the pair of strip-shaped plates together, a door-shaped frame is fixed to the upper wall face of the strip-shaped bearing plate, a pair of circular rings are arranged on a cross beam of the door-shaped frame in a sleeving mode, and the folding plate is arranged on the pair of circular rings. When the control cabinet is used, dust is prevented from entering the control cabinet, the dust cannot be attached to the control part, the interior