Blocking control system for cold storage air-cooler baffle doors

The invention discloses a blocking control system for cold storage air-cooler baffle doors. The blocking control system for the cold storage air-cooler baffle doors comprises a defrosting system. Thedefrosting system comprises a compressor, a refrigerant outlet of the compressor is connected with one end of a first solenoid valve and one end of a second solenoid valve separately; the other end ofthe first solenoid valve is connected with an liquid inlet of a liquid accumulator through a condenser; a liquid outlet of the liquid accumulator is connected with one end of a throttle valve; the other end of the throttle valve is connected with a refrigerant inlet of an air-cooler after confluence with the other end of the second solenoid valve; a refrigerant outlet of the air cooler is connected with a refrigerant inlet of the compressor through a gas-liquid separator; an air manometer is installed on the upper part of the interior of the air cooler; and an air outlet and an air inlet areformed in the upper side an