CONTROL METHOD OF INTER COOLER REFRIGERATOR

摘要

PURPOSE: A control method of an inter cooler refrigerator is provided to supply some of a cooling ability of a freezing chamber by acting a freezing chamber circulation fan at the low rotation number and a refrigerating chamber circulation fan at the high rotation number upon the excessive load of the refrigerating chamber. CONSTITUTION: Inner and outer pipes pass through the inner part of an evaporator(61) of a refrigerating chamber. A liquid coolant discharged from a condenser(21) is let in a second expansion device(42) through the inner pipe in a freezing cycle. Further, a coolant discharged from an evaporator(51) of a freezing chamber is let in a compressor(10) through the outer pipe. Herein, the coolant passing through the evaporator(51) is in a two-phase state that liquid and gas states are mixed. After the coolant is let in the evaporator(61) through the outer pipe and is used in the cooling of the refrigerating chamber, it is converted to the gas state and let in the compressor. Further, the liquid coolant is supercooled by heat-exchanging with the coolant and let in the second expansion device so that the efficiency of the cooling cycle is improved.