Photovoltaic light and heat tunnel heat accumulation system of preventing frostbite

The utility model relates to a tunnel system of preventing frostbite specifically is a photovoltaic light and heat tunnel heat accumulation system of preventing frostbite. The utility model provides atunnel problem that freeze injury influence is received in winter easily. A photovoltaic light and heat tunnel heat accumulation system of preventing frostbite, includes heat accumulation case, a heat exchange coil, the 2nd heat exchange coil, solar energy absorber plate, first circulating pump, first stop valve, heating radiator, second circulating pump and second stop valve, the heat accumulation incasement is filled there is heat storage medium, a heat exchange coil and the 2nd heat exchange coil locate the heat accumulation incasement, and both all contact with heat storage medium, the solar energy absorber plate back is equipped with the microchannel heat exchanger, microchannel heat exchanger, a heat exchange coil, first pipeline, second pipeline, first circulating pump and first stop valve are connected an