With the development of science and technology, there are many convenient shopping platforms in people's life, such as Taobao, Tmall, intelligent vending machine platform and so on. Even when we take the subway, we can buy it at any time, and there is no need to queue up for manual change. This smart device, so many people use it, but have no idea how it works. From a professional perspective, it can be divided into traditional and intelligent, and from the perspective of ordinary people, it is just a platform that can be purchased.
First, the traditional non-intelligent vending machine
Put in a note or coin and the currency recognizer recognizes it. To select goods, press the select button, and the vending machine program adds or subtracts cash according to the price of the goods. Shipment, if the amount of investment is insufficient, there will be a hint, if the amount is enough, it will be shipped directly. Wait for the customer's further operation, such as do not buy other things to choose the change, the vending machine according to the calculation of the results of the coin automatically change, the shopping is complete.
Two, intelligent vending machine
After selecting the goods, the vending machine program will send a QR code (wechat, Alipay or other electronic payment) to the backstage server to apply for payment, and the QR code will be directly displayed on the vending machine screen. After the customer sweeps the code, the background server will inquire whether the account received the money, if received, the background server will issue a shipment instruction to the vending machine, and the vending machine will ship according to the instruction. 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.
Spring: The main function is to push the goods out of the track. The spring in the vending machine can be changed according to the size of the goods, the spring is too narrow, easy to cause a card, too wide will cause a drop.
Motor: refers to the law of electromagnetic induction of electrical energy conversion or transmission of an electromagnetic device. Its main role is to produce driving torque, as electrical appliances or a variety of mechanical power source. Usually a device that converts electrical energy into kinetic energy.
