▎ 摘　　要

NOVELTY - The device has a supporting frame (1) whose surface is equipped with a bottom plate (101). The top of the bottom plate is equipped with a heat storage box (3). One side of the heat storage box is provided with a heat collecting circulating pump. The back of heat storage box is provided with a heat storage circulating pump. The inside of the heat storage box is provided with a heat preservation interlayer. The inside of the heat storage box is provided with a bending plate arranged with equal distance. The side surfaces of the bending plate are provided with a graphene-based composite phase change plate. The front surface of the supporting frame is provided with a heat collecting bracket (8). The heat collecting bracket and the supporting frame form a triangular structure. The surface of the heat collecting bracket close to each other is equipped with a moving groove plate (9). The back of the supporting frame is equipped with a heating box (4). USE - Solar energy heat storage device based on graphene-based composite material used in solar energy extraction field. ADVANTAGE - The graphite alkenyl composite pipe in the heat collecting pipe can realize the photo-thermal conversion, so that the photovoltaic battery plate synchronously performs photoelectric conversion, and then providing electric quantity supply for the heating layer and the electromagnet in the device. The practicability of the heat storage device is improved. The water temperature in the insulating water tank is constant at 45-55?? C, and using the setting of the photoelectric battery plate, can be combined with the graphene-based composite phase change plate tube, realizing photoelectric and photo thermal conversion. Thus, the energy conversion efficiency of the device can be improved effectively. The heat of the water body in the water tank can be transferred to the heating coil pipe, so as to supply the floor heating water distributor for heating. DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of the solar heat storage device based on graphene-based composite material. Support frame (1) Heat preservation water tank (2) Heat storage box (3) Heating box (4) Mounting box (5) Water replenishing pipe (6) Drain pipe (7) Heat collecting bracket (8) Moving groove plate (9) Bottom plate (101) Water replenishing valve (601) Drain valve (701) Heat collecting pipe (801) Electromagnetic box (901)