▎ 摘　　要

NOVELTY - The utility model claims a constant temperature and humidity device using renewable energy, comprising a constant temperature and humidity box main body and a heat collecting box for collecting geothermal energy; a transmission pipe is connected between the heat collecting box and the constant temperature and humidity box main body; the transmission pipe comprises two liquid phase conduits and gas phase conduits which are parallel to each other; the inlet of the liquid phase conduit is connected with a liquid phase circulating pump; the inlet of the gas phase conduit is connected with a gas phase circulating pump; the heat collecting box is provided with a heat collecting fin with fold surface; the surface of the heat collecting fin is coated with graphene powder; transition group element oxide is composed of high heat-conducting coating, solves the problem that the constant temperature and humidity machine cannot well utilize geothermal energy; the energy consumption is too high; the utility model has reasonable structure; the constant temperature and humidity machine uses geothermal energy to cool in summer; heat collecting in winter; performing good constant temperature control, saving energy.