Large-screen visualization equipment

The utility model discloses a large-screen visualization device which comprises a side plate, the front face of the side plate is provided with a signal interface and a clamping hole, the front face of the signal interface is electrically connected with an LED display screen, the back face of the LED display screen is electrically connected with a circuit board, the bottom of the side plate is fixedly connected with a bottom box, the interior of the bottom box is rotatably connected with a rotating rod, the outer side of the rotating rod is sleeved with a roller, and the bottom box is fixedly connected with the side plate. A groove is formed in the top of the bottom box, a bottom plate is fixedly connected to the bottom of the bottom box, a side box is fixedly connected to the back face of a side plate, a signal receiver and a microcomputer are installed in the side box, a side door is installed on the back face of the side box, an inclined rod is fixedly connected to the top of the side box, and a heat dissi