Heat dissipation type cable for new energy automobile and heat dissipation structure forming device of heat dissipation type cable

The invention discloses a heat dissipation type cable for a new energy automobile and a heat dissipation structure forming device.The cable comprises a cable core, an insulating layer, a shielding layer and an outer sheath, the insulating layer, the shielding layer and the outer sheath sequentially wrap the cable core, and a heat dissipation structure is arranged between the shielding layer and the outer sheath and comprises a heat dissipation spring, a limiting block and a cavity; the heat dissipation springs and the cavities are arranged between the limiting blocks at intervals along the axis of the cable, and each heat dissipation spring comprises a spiral body arranged outside the shielding layer in a sleeving mode and an extending piece extending into the outer sheath. The heat dissipation structure forming device is arranged in the cavity and can form a circulation heat dissipation channel with the cavity, the air cooling effect of the cable is achieved, the heat dissipation structure forming device is