The working principle of the vending machine

Vending machine working principle of the vending machine is divided into traditional of intelligent vending machine and intelligent vending machine. A, the traditional intelligent vending machine in notes or COINS and currency identifier for identification. Pick, pick button, vending machine program to the pricing of the commodities to add and subtract computing cash. Shipment, if the input amount is less than there will be a prompt, if the amount is enough to direct shipment. Waiting for customer's further action, if you don't choose the change to buy other things, sales opportunities according to the result of just calculate automatically change COINS, shopping. Second, the intelligent vending pause after shipment, vending machine procedure will apply to the backend server launch collection for qr code ( WeChat, pay treasure or other electronic payment) , qr code displayed on the vending machine screen directly. Customers scan code, backend server will query credit account is not received the money, if received, backend server will send a shipment to vending machine instructions, vending machine according to the instructions for shipment. Related to the vending machine business management according to the 'food safety law' regulation, requires that all vending machine operator in the apparent position of the public operator name, residence, contact information, and the food business license copy, etc. , let the consumer to buy food and enjoy the right to know. Vending machines and similar commercial retail procedures, need to deal with the business license, tax registration certificate, etc. Food and beverage vending machine: 1, to apply for a business license for individual business license or enterprise. 2, scope of business involves pre-approval to the relevant departments to handle the pre-approval. Adult supplies the vending machine relevant formalities: 1, family planning supplies monopoly licenses. 2, as the business license. 3, if also sell some medicine, such as oil, but also for the pharmaceutical trade license. Intelligent vending machine functions, principle is very complicated, some don't need payment based on the input code to pick up the goods can shipment, principle is customer input delivery code or lottery ticket code, vending machine to send the code to pick up the goods to the background server, a backend server to verify code to pick up the goods, and send the corresponding shipping instructions to the vending machine, vending machine according to the instruction from the corresponding goods.