| 摘要 |
PURPOSE: Provided is a tea-bag sensor in a vending machine, thereby detecting if tea-bags are out of stock and stopping vending tea-bags. CONSTITUTION: A tea-bag discharging device(70) in a vending machine is characterized by a spiral(71), which discharges a tea-bag, thereinside; a rotation motor(72) rotating the spiral(71); a light radiation part(73) for sensing tea-bags at predetermined position of the tea-bag discharging device; and a light receiving part(74). |
