▎ 摘　　要

NOVELTY - The utility model claims a radar position self-heat type life jacket, comprising a life jacket main body, the front part and the rear part of the life jacket main body are distributed with graphene sheet, further comprising a battery, the battery is placed on the jacket main body of the pocket inner side, each graphene sheet is connected with branch wire, the branch wire is connected with the main wire of the battery is the upper part of the jacket main body is set the top of the radar responder, radar transponder is antenna. The utility model has compact and reasonable structure, convenient operation, the design of mounting the radar responder and graphene sheet and efficiently improves the reliability of usage and extends underwater survival time of the drowning person.