▎ 摘　　要

NOVELTY - The utility model claims a cable fusion joint structure, comprising a raw wire core, the outer side of the original wire core is provided with an inner sheath; an armoured layer and an outer sheath; the upper part and the lower part of the original wire core are provided with a welding body; one side of the welding body fixedly connected with with a new wire core; the outer side of the new wire core is welded with an aluminium radiating layer; the upper part of the welding body is provided with a tin welding layer; the utility model is provided with a raw wire core; the upper part and the lower part of the original wire core are provided with a welding body for welding with the new wire core; the outer side of the new wire core is welded with an aluminium radiating layer; it can reinforce the radiating effect; the outer side of the graphene filling layer is provided with a protective layer; the outer side of the protective layer is provided with a silicon rubber layer and a PVC sheath; the outer side of the new core is provided with a section for welding; after welding is provided with a welding layer, repairing the original core; the new core is provided with a multi-layer structure, comprising a copper strand inner core, a shielding layer and an insulating layer, increasing the protection performance and preventing breaking.