CONTROL DEVICE OF VACUUM REFRIGERATOR

摘要

PURPOSE: A control device of vacuum refrigerator is provided to oxidation of food by discharging air in a food storage chamber on appropriate point of time. CONSTITUTION: A refrigerator includes a vacuum chamber(30); a vacuum pump(40); and a control device. The vacuum chamber is placed on a cold air passage(1) and has a space part in which food is stored. The vacuum pump discharged air in the vacuum chamber to keep vacuum in the vacuum chamber. The control device detects point of time for driving the vacuum pump to operate the vacuum pump and comprises a sensor(50); and a micro computer. The sensor detects existence of food in the vacuum chamber. The micro computer is impressed with output signal of the sensor to drive the vacuum pump.