Photovoltaic integrated granary based on geothermal energy

The utility model discloses a photovoltaic integrated granary based on geothermal energy, which comprises a granary body, a ventilation system, a dehumidification system, a cold air supply unit, a solar photovoltaic power generation system, a heat pump unit, a geothermal energy utilization unit connected with the heat pump unit and a monitoring unit arranged in the granary body, the terrestrial heat utilization unit comprises a buried pipe which is horizontally buried in the stratum, the buried pipe is horizontally arranged in an S shape, and the buried depth of the buried pipe is 7.0-8.5 m; the monitoring unit comprises a humidity sensor and a temperature sensor which are arranged in the granary body, and the signal output ends of the temperature sensor and the temperature sensor are electrically connected with the control input end of the controller. Shallow terrestrial heat is used as a heat source, the heat pump unit converts energy absorbed from shallow soil into a low-temperature cooling source, cooling