Automatic ice making apparatus

Abstract

An automatic ice making apparatus having a sensor which can detect continuously a temperature of an ice making tray is used as a temperature sensor. The temperature and a temperature variation rate of the ice making tray are detected by an electronic control circuit having a function corresponding to an A/D converter and a microprocessor or the like to determine a freezing state of water. Further, a thermistor is used as the temperature sensor, and by and A/D converter including a microprocessor a water level in the ice making tray is detected and a solenoid valve for determining an amount of supply water is controlled so as to suppress the water amount variation due to a water pressure change or the like.

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