Refrigeration house unit with natural cooling function

The utility model discloses a refrigeration house unit with a natural cooling function. The device comprises an automatic refrigerating system integrated in a protective shell, a hoisting device is arranged above the protective shell; a liquid storage tank is suspended on the hoisting device; a cooling liquid outlet is formed in the upper surface of a shell of a condenser in the automatic refrigerating system. A cooling liquid inlet is formed in the lower surface of a shell of the condenser; a liquid outlet is formed in the bottom of the liquid storage tank, a cold liquid pipe is connected between the liquid outlet of the liquid storage tank and a cooling liquid inlet of the condenser, a liquid inlet is formed in the upper portion of the liquid storage tank, a thermosiphon is connected between the liquid inlet of the liquid storage tank and a cooling liquid outlet of the condenser, and control valves are installed on the cold liquid pipe and the thermosiphon. In an outdoor low-temperature environment, the liq