AUTOMATIC SUPPLY AND DRAIN APPARATUS OF COOLING WATER TANK FOR VENDING MACHINE

摘要

The present invention relates to an automatic water supply and drainage system of a cold water tank of a vending machine, and in particular, by installing a water inlet and a water outlet in a cold water tank of a vending machine and controlling the opening and closing of the water inlet and the water outlet using a solenoid valve. It relates to a cold water tank automatic supply drainage of a vending machine that allows suction and discharge to be made automatically.;Cold water tank automatic water supply and drainage device of the vending machine of the present invention is a housing, an evaporator case embedded in the housing, an evaporator coil fixed in the housing by the evaporator case, water detection located at one upper end of the evaporator case Sensor, the water detection sensor, the cold / hot mode switching switch, the control unit to which the signal is applied from the water detection sensor and the cold / hot mode switching switch, the first solenoid for water inflow signal is applied from the control unit A valve, a water inlet hose connected to the first solenoid valve, a second solenoid valve for water outflow to which a signal is applied from the controller, and a water outlet hose connected to the second solenoid valve. .