Paper money in the vending machine COINS is introduced

Vending machine has been for many years, one of the basic terms of payment is cash payments, including notes and COINS, called money recognizer or cash module, and it can be said that the cash module is a basic one of the core components of the vending machine, its main function is to identify the type of cash, authenticity, par value, and can be classified according to the par value and type into the collection of money or to change. Its working principle is accurate information such as the type and amount of cash will receive timely feedback to the vending machine brain onboard microcomputers, if the amount received and the commodity price is consistent, the vending machine will be shipped, if the amount received less than the price of goods, vending opportunity insufficient according to pay prompt customers continue to pay, if the amount received is greater than the commodity price, the vending machine if the customers don't continue shopping choice change after shipment, the vending machine control computer calculation amount and the difference of the price, the need to change the amount of information to cash module, cash module according to the instruction information for change. May seem like a very simple function, but to achieve high demands, it is a very bitter pill. Also has to identify its authenticity, for instance, coin is better, by measuring the diameter, thickness and magnetic properties of the coin, infrared characteristics, mechanical vibration spectrum can be easily identified, and COINS are not usually present fold, error rate is almost zero. More challenge is to identify notes, as you all know, paper is easy to fold, smudgy, defect, brought rapid accurate identification of a big challenge! Better job in order to make cash module, the usual maintenance is necessary. Need to regular cleaning the inside of the cash dispenser module dust, regularly check the stock of money inside. Although with the popularization of mobile payment, cash in the vending machine industry is more and more small, but some special places such as some small and medium-sized schools do not advocate the use of mobile phones, cash payment or occupy the mainstream status.