▎ 摘　　要

NOVELTY - The utility model claims a new graphene cable ground heating system, comprising a display controller, an alternating current inverter and several groups of heating module; the display controller is connected with the alternating current inverter; the alternating current inverter is respectively with the heating module through the power supply circuit provided with an overload protector and a leakage protector; the heating module comprises a sealed box body, a graphene heating cable and a temperature sensor; the middle of the box body is provided with multiple supporting strips; two sides of the box body is a heat exchange cavity; the temperature sensor is installed in the heat exchange cavity; the middle height of two sides of the supporting strip is provided with an arc-shaped clamping groove; the graphene heating cable is wound between the arc-shaped clamping grooves; two ends of the graphene heating cable are connected with the junction box set on the side of the box body; the box body is filled with insulating heat-conducting liquid The box body of the utility model can protect the cable and avoid the local high temperature. the radiation intensity is low; if the individual heating module has problems, it can cut the connection in time, and does not affect the normal operation of other heating modules.