▎ 摘　　要

NOVELTY - A wind-light complementary graphene heat collecting device comprises bracket, inverter, control circuit, storage battery, temperature sensor, vacuum heat collecting pipe, solar battery back plate, wind driven generator and heat preservation water tank. The vacuum heat collecting pipe comprises inner glass pipe, insulating rubber plug, and outer glass pipe with one end opened and other end sealed. The inner glass pipe is sleeved in outer glass pipe using rubber plug at opening end of outer glass pipe. A vacuum is in between outer glass pipe and inner glass pipe. The vacuum heat collecting pipe opening end is connected with heat preservation water tank. The temperature sensor is provided in heat preservation water tank. The bracket supports vacuum solar battery back plate, heat collecting pipe and heat preservation water tank. The inner glass pipe outer surface is provided with first strip-shaped metal foil electrode and second strip-shaped metal foil electrode. USE - Wind-light complementary graphene heat collecting device. ADVANTAGE - The device is energy-saving and environment-friendly, has higher light energy heat conversion efficiency, and utilizes solar heat absorption, wind energy and photovoltaic power generation to heat. DETAILED DESCRIPTION - A wind-light complementary graphene heat collecting device comprises vacuum heat collecting pipe, solar battery back plate, wind driven generator, storage battery, inverter, temperature sensor, control circuit, heat preservation water tank and bracket. The vacuum heat collecting pipe comprises outer glass pipe with one end opened and other end sealed, inner glass pipe, and insulating rubber plug. The inner glass pipe is sleeved in outer glass pipe through rubber plug at opening end of outer glass pipe. A vacuum is in between inner glass pipe and outer glass pipe. The opening end of vacuum heat collecting pipe is connected with heat preservation water tank. The heat preservation water tank is provided with temperature sensor. The bracket supports vacuum heat collecting pipe, heat preservation water tank and solar battery back plate. The outer surface of inner glass pipe is provided with first strip-shaped metal foil electrode and second strip-shaped metal foil electrode. One end is respectively connected with two external electrodes on heat preservation rubber plug. The other end is axially symmetrically extended on one end of opposite surface of inner glass pipe on outer side surface of inner glass pipe or respectively surrounds circle on outer surface of two ends of inner glass pipe. The outer surface of inner glass pipe is further coated with layer of graphene heating film with electric heating function and photo-thermal conversion function. The film thickness is 1-20 mu m and covered on outer surface of first strip-shaped metal foil electrode and second strip-shaped metal foil electrode. An INDEPENDENT CLAIM is included for preparation of the wind-light complementary graphene heat collecting device comprising: (A) preparing 1-20 mg/ml polyvinylpyrrolidone solution in water or organic solvent, adding sodium dodecyl benzene sulfonate so that concentration reaches 2-6 mg/ml, adding helminth expansion graphite powder, and ultrasonically processing for 2-5 hours to obtain 5-20 mg/ml graphene slurry; (B) adding additive, stirring for 0.5-1 hour to obtain uniformly dispersed graphene coating, using metal foil adhesive tape, setting outer surface of inner glass pipe with first strip-shaped metal foil electrode and second strip-shaped metal foil electrode, using graphene coating, forming a layer of graphene heating film on outer surface of inner glass pipe and outer surface of second strip-shaped metal foil electrode and second strip-shaped metal foil electrode, and naturally drying; and (C) respectively welding one end of first strip-shaped metal foil electrode and second strip-shaped metal foil electrode with two external electrodes on insulating rubber plug, vacuumizing and packaging to obtain vacuum heat collecting pipe of wind-light complementary graphene heat collecting device, mounting solar battery back plate on bracket, installing vacuum heat collecting pipe on hollow grid of solar battery back plate, connecting opening end of vacuum heat collecting pipe with heat preservation water tank on upper surface, and mounting circuit.