▎ 摘　　要

NOVELTY - The utility model claims a self-control temperature heating cable with high reliability and high thermal conductivity, comprising: a self-control temperature heat conducting wire core layer, a flame retardant layer covered on the outer side of the self-control temperature heat conducting wire core layer; a shielding layer covered on the outer side of the flame retardant layer and an outer sheath layer covered on the outer side of the shielding layer. wherein the self-control thermal conductive wire core layer comprises: a graphene filament carbon fibre conductor arranged in parallel along the axial direction of the cable and a PTC layer wrapped on the outer side of the two graphene filament carbon fibre conductors. The beneficial effects of the utility model are as follows: by using the conductor of the novel synthetic graphene filament carbon fibre material with excellent electrical, thermal and mechanical properties, and wrapping a layer of PTC material layer on the two conductors; it can greatly improve the whole strength and electric heating efficiency of the cable; at the same time, it also has light weight, high modulus, high temperature resistance, wear resistance, corrosion resistance; excellent performance of anti-fatigue and creep resistance.