The vending machine working principle, structure diagram and operation mode

A, vending machine working principle: the working principle of the rough that the purchase is made, identify receiving money, customers choose goods, whether invest sufficiently, internal change is the change of shipment, change. Modern vending machine of the internal control system using VHDL description language, using the finite state machine are described systematically, the system automatically after power-on reset initialization, according to the different status of external input signal, Such as coin, marketing status, change state) 。 Second, the core of the vending machine is single chip microcomputer. Vending machines have their own special communication protocol, Europe and the United States series of 'the MDB, Japan and South Korea series of' VCCS '. The main control board, COINS, paper money taker manager ( Identify receiving, change) Between all follow this agreement, with series ( Europe and the United States or Japan and South Korea series) Versatility, not only communication protocol, even the installation size, same plug. The vending machine ( VendingMachine (VEM) Is based on input of coin machine automatically pay for the goods. The 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. At present domestic common vending machine will be divided into four kinds: drink vending machine, food vending machines, integrated vending machine, cosmetics vending machine. Its internal structure as shown in figure below: smart vending machine knowledge development: what is the operation mode of the vending machine? For example, you are the boss, B company to A open A shop in public places. May be required to pay the rent, electricity, may develop any of the following: 1. Sales is very good, remove costs, making money; 2. Sales in general, have no money; 3. Poor sales, at a loss. You will assess, and then decided to is not here to open the shop. The vending machine is the same: 1. Sales of good, free installed, pay rent, electricity bills. 2. Sales, general installed free of charge, and free rent, electricity bills. 3. Sales is very poor, don't pack. A must be the amenities may choose to upgrade, rent machine it yourself, or you run A to subsidies.