▎ 摘　　要

NOVELTY - The utility model claims a graphene heating constant temperature water tank water tank device with connecting structure, comprising a culture main body and a graphene heating component, a plurality of the graphene heating component is adhered outside the cultivation main body, the graphene heating component comprises a power supply line; a protective sleeve and a heating film body; the power supply wire is electrically connected with the heating film body; the heating film body is set in the protective sleeve; the power supply wire extends to the outside of the protective sleeve; the heating film body comprises graphene heating film layer; a reflecting film layer; a protective film layer and an insulating layer; the graphene heating film layer is set between the reflecting film layer and the protective film layer; the reflecting film layer is set between the graphene heating film layer and the insulating layer. The utility model has high heating efficiency, low power and long service life; it is adapted to the current aquaculture box or cement breeding pool for installation and use.