Take you on a analysis of working principle of the automatic coin vending machine

Automatic coin vending machine ( 自动售货机,VEM) Is based on input of coin machine automatically pay for the goods. Automatic coin vending machine is the common use of the commercial automation equipment, it is not restricted by time and place, can save manpower, convenient transactions. Is a kind of brand-new commercial retail form, also known as the miniature supermarket open 24 hours a day. Can be divided into three types: drink vending machine, food vending machine, comprehensive vending machine. Works: every piece of goods, there is a button below, and we see the goods, are samples, and we don't buy these samples, but the inside of the warehouse on the vending machine, when we press a button, then correspond to the goods warehouse will open the door, at this time, we will be what we want out! Automatic coin vending machine is a mechanical and electrical integration of automation device, on the premise of receiving money entered, button on the touch control input signal is make the controller to start the related position of machinery complete set, the goods to the output. (1) the user will money into the slot, monetary recognizer to put money for identification; (2) the controller according to the amount of information can be selling goods through pick button light is provided to users, by users choose to buy goods; (3) presses the button, the user to select goods corresponding controller receives the key information passed by, driving the corresponding components, the user's choice of commodities sold to fetch the mouth; (4) if there is sufficient balance, can continue to buy. Within 15 seconds, the vending machine will automatically find the coin or user rotating work knob, exit the coin. (5) from the refund money mouth coin to complete the deal. A: on what are generally vending machine machine location