▎ 摘　　要

NOVELTY - The utility model claims a heating and de-icing system for wind turbine blade, comprising a heating unit, a power supply unit and a temperature control unit, the heating unit is provided with a plurality of, respectively arranged in different areas of the blade, each heating unit comprises graphene fibre composite material layer, a heat conducting insulating layer and a heating element, the graphene fibre composite material layer is integrally formed on the outer surface of the blade, the heating element is set in the inner cavity of the blade, it is connected with graphene fibre composite material layer through the heat conducting insulating layer, the power supply unit is respectively connected with each heating element, the temperature control unit is provided with a plurality of, the number is respectively consistent with the number of the heating element and the graphene fibre composite material layer and corresponding to each other, a plurality of temperature control unit sequentially connected and connected with the power supply unit. The utility model can effectively solve the problem that the existing blade heating and de-icing system is easy to be damage and the de-icing effect is bad.