Dust detection device

The utility model relates to the technical field of dust detection, and discloses a dust detection device which comprises a top plate, the bottom wall of the top plate is fixedly connected with an arc-shaped baffle, the inner side wall of the arc-shaped baffle is fixedly connected with square brushes, the square brushes are distributed in a linear array, the bottom wall of the arc-shaped baffle is fixedly connected with a bottom plate, and the arc-shaped baffle is fixedly connected with the bottom plate. A rotating shaft is rotatably connected to the interior of the bottom plate, a linkage rod is fixedly connected to the top wall of the rotating shaft, detectors are fixedly connected to the outer side wall of the linkage rod, the detectors are distributed in an annular array, a data display screen is fixedly connected to the top wall of the top plate, and the top plate is in central symmetry. After equipment detection is completed, dust of the equipment is wiped away through a square brush arranged on an arc-