One-screen dustproof protection cover for power grid

The utility model discloses a one-screen dustproof protection cover for a power grid. A cabinet body is provided with a protection cover plate, and the interior of the protection cover plate is provided with a gauze element layer. The protection cover plate is provided with an observation window, and the observation window is provided with a handle. The protection cover plate is provided with air holes, wherein the number of the air holes is nine. A side edge of the protection cover plate is provided with a locking nose, and the locking nose is provided with a lock hole. The protection cover is novel in design, is safe and durable, and avoids accidents of accidental collision and wrong setting and wiring caused by too many circuits. The interior of the protection cover plate is provided with the gauze element layer, thereby preventing dust and sand from entering into the screen cabinet. A worker just needs to replace and clean the gauze element layer regularly, thereby solving a problem that the dust of a circuit in the screen cabinet is difficult to remove. The side edge of the protection cover plate is provided with the lock nose and the lock hole, thereby preventing a person from damaging the circuit in the screen cabinet maliciously, and guaranteeing the safety operation of the power grid.