Intelligent construction site personnel positioning and early warning device

The utility model relates to an intelligent construction site personnel positioning early warning device, and relates to the field of intelligent construction sites, the intelligent construction site personnel positioning early warning device comprises a main body, the front surface of the main body is provided with a protection mechanism, the front surface of the main body is provided with a buzzer close to the top corner position, the front surface of the main body is provided with a control module close to the middle position, and the side wall of the main body is provided with an infrared sensor. A fixing mechanism is arranged on the back face of the body, the protection mechanism comprises a transverse plate, a rotating shaft is arranged at the bottom end of the transverse plate, a protection plate is rotationally arranged on the outer side wall of the rotating shaft, a magnetic sheet is arranged on the side wall of the protection plate and located at the bottom, and a baffle is arranged on the front fac