Factory noise pollution monitoring device

The utility model relates to a factory noise pollution monitoring device which comprises a base and a main rod, a transmitter is fixedly installed on the front face of the main rod, a display screen is arranged on the top of the transmitter, a mounting plate is fixedly connected to the top of the display screen, and connecting rods are fixedly installed at the left end and the right end of the mounting plate. A collector is fixedly mounted at the top of the connecting rod, a solar panel is arranged at the top of the mounting plate, a connecting piece is arranged at the bottom of the solar panel, a limiting device is arranged between the solar panel and the mounting plate, the limiting device comprises a pressing rod, and the outer side of the pressing rod is sleeved with a limiting spring; a connecting block is arranged on the outer side of the limiting spring, a limiting block is fixedly connected to the top of the pressing rod, and a fixing block is arranged on the outer side of the limiting block. The fact