| 摘要 |
PURPOSE: An apparatus and method for automatically cleaning an ice cream making machine is provided to enable users to clean the ice cream making machine without disassembling. CONSTITUTION: An apparatus for automatically cleaning an ice cream making machine comprises the following: a water supply valve(120) attached to one side of a hopper(10) for supplying water; an air pump(140) supplying air; a level sensor(LS) attached to the upper side of the hopper for measuring the height of the water inside the hopper; a heater(130) installed inside the hopper; a drain port(150) installed on a cooling cylinder(20); a drain valve(160) mounted on the drain port; a controller(CON) controlling the water supply valve, the air pump, the level sensor, the heater, the drain port, and the drain valve; an ultrasonic sensor(110) emitting ultrasonic waves on the water, and measuring the time of the reflected ultrasonic waves on the water for measuring the water level; a contact sensor(170) contacting the water for measuring the water level; and a cooling tube installed inside the cooling cylinder; a stirring unit stirring yoghurt ice cream inside the cooling cylinder. |
