Solar power generation and heat collecting device

The utility model belongs to the technical field of comprehensive utilization of solar energy, and particularly relates to a solar power generation and heat collecting device. The solar power generation and heat collecting device comprises a water storage tank and a heat collecting tank, a thermal medium conveying downward pipeline and a thermal medium conveying upward pipeline are respectively arranged between the water storage tank and the heat collecting tank, and a temperature control switch is arranged on the thermal medium conveying upward pipeline. The heat collecting tank is composed of a plurality of layers of solar glass box covers which are fixedly mounted on an oblique thermal preservation and insulation layer plate. A supporting frame is mounted on a thermal preservation and insulation layer bottom plate inside the heat collecting tank, a photovoltaic solar panel is embedded on the upper surface of the supporting frame, and two guide lines are connected to the photovoltaic solar panel. The guide