▎ 摘　　要

NOVELTY - The utility model relates to the technical field of bridge deicing device, specifically to a piezoelectric graphene surface of heat pipe, wherein the top wall of the box beam of the bridge body is provided with a reinforcing mesh, the box-shaped beam is provided with a heat transfer cavity, the heat transfer structure is set in the heat transfer cavity, the heat transfer structure comprises multiple heat pipes, the condensing end of the heat pipe and the reinforcing steel bar net contact the heating structure comprises several heating units, several heating units are respectively installed on the evaporation end of several heat pipes, the power generation structure comprises a deceleration strip, a ceramic piezoelectric sheet, a storage battery and a controller, the deceleration strip is installed on the bridge surface of the bridge body, the ceramic piezoelectric sheet is installed in the generating cavity of the deceleration strip, and is connected with the storage battery, when the vehicle passes through the deceleration strip, it is slightly deformed by pressing the deceleration trigger ceramic piezoelectric sheet, the storage battery is charged, the storage battery can supply power to the heating structure, heating the heating structure; the heat generated by the heating structure is transferred to the heat transfer structure, and the bridge surface of the bridge body is heated and deicing by the heat transfer mechanism.