▎ 摘　　要

NOVELTY - The utility model graphene a coating PTC constant temperature heater, relating to the field of heater, comprising graphene heater, a heating component comprises a signal pipe, a telescopic hose, an electric heating seat and an electric heating pipe, a heat conducting component comprises a side heat conducting sheet, a heat conducting pipe and an inner heat conducting sheet, the lifting component comprises a stepping motor, screw thread screw, a lifting seat and a bearing seat, the surface of the water tank is provided with a guide component, the guide component comprises a guide rod and a guide sleeve, the utility model is provided with a heat conducting component and a lifting component, after the water tank is heated, the side heat conducting sheet guides the heat flow, the heat is transmitted to the heat conducting pipe and the inner heat conducting sheet, the water in the water tank is uniformly heated, starting the stepping motor to make the electric heating tube move up and down, heating the different positions of the side wall of the water tank, further improving the heating efficiency and uniformity, the water temperature in the water tank reaches the set threshold value, realizing constant temperature heating, suitable for popularization.