Vending machine core circuit design, state machine design 50

The production process of coin-operated coffee machine draft beer machine**.

The production of coin-operated coffee machine is divided into 4 main parts: 1 plate metal + 2 motor + 3 injection molded parts + 4 control program version = coin-operated coffee machine.

We can provide a variety of injection molding accessories for automatic coin-operated coffee beverage machines for a long time for domestic and foreign coin coffee machine manufacturers (a full set of injection molds for coffee machines independently developed) plastic parts include: material box, mixing bucket, water tank, kettle, double cup channel cup dropper, coin box, water trough, etc., the whole machine and a full set of accessories, providing production technology.

A Jia Draft Beer Machine] Professional research and development of carbon dioxide-free cylinder electronic CNC draft beer machine.

A Jia coffee machine draft beer machine] professional research and development and production of various specifications and models of coin-operated coffee machine, the latest product draft beer machine, (no need to use carbon dioxide cylinder of fully automatic new electronic draft beer machine, this product all use electronic numerical control technology, no need to manually pick up the wine, one key to complete, with automatic cleaning and maintenance-free, beer preservation, rich foam and refreshing, the temperature of the wine can be adjusted at will, energy saving and environmental protection, automatic memory of the number of wine, etc., saving the use of carbon dioxide cylinders to force the beer into and out of the cumbersome and cost!)

A best draft beer machine, a new type of draft beer machine, coin-operated draft beer machine, high quality and low price, is the first in China! Various functions can be designed and added according to customer requirements, processing customization, and new products can be developed! Due to the time relationship, QQ is not**, please consult**.

You @ Teacher Liao, he will tell you

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The program has been changed, you can try it, and ask again if you have questions:

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The core of the vending machine is a single-chip microcomputer, and there is no PLC!

The MCUs I've seen are:

1. Motorola MC68HC908GP32CP

2. Philips P87C52EFAA

Vending machines have their own dedicated communication protocols, European and American series for "MDB", Japan and South Korea series for "VCCS", not anything, CAN and other communication protocols.

This protocol is followed between the main control board, banknote reader, and coin manager (identification and receiving, change), and the versatility of the same series (European and American series or Japanese and Korean series) is strong, not only the communication protocol is the same, but also the installation size and plug are the same. That is to say, you can make parts such as the fuselage and shipment, and purchase the control board of the A brand, the banknote of the B brand, and the coin of the C brand (of course, you can use the same manufacturer), which can all work normally. When the conditions are met, the control board, banknote device, and coin device will be gradually developed.

At present, most of China's vending machines are European and American series of control systems using MDB communication protocol.

As for the working principle, roughly speaking, it is: when there is a stock, identify the receiving currency, the customer selects the goods, and judges whether the investment amount is enough, whether the change in the machine is enough to change, and the shipment is change. Because there are too many logical relationships and too complex, I can't say the details, for example:

1. When there are not enough 5 dimes in the machine, you invest 5 yuan in banknotes to buy yuan or 3 yuan drinks:

1. When the machine is set to have change, the drink of yuan will not be sold and 5 yuan will be returned; 3 yuan drinks are sold, and 2 1 yuan coins are sold.

2. When the machine is set to not enough change can also be sold, the yuan of the drink is sold, and you press the machine to give you 2; 3 yuan drinks are sold, and 2 1 yuan coins are sold.

2. When the 5 jiao and 1 yuan coins in the machine are insufficient, you invest 5 yuan bills to buy yuan or 3 yuan drinks:

1. When the machine is set to have change, the drinks of yuan and 3 yuan will not be sold, and 5 yuan will be returned.

2. When the machine is set to not enough change to sell, the yuan of drinks is sold, and you press the machine to give you 2 drinks; $3 drinks are also sold, and the $2 balance is always displayed on the machine, so you can buy them after adding up the coins.

A vending machine (VEM) is a machine that automatically charges goods based on the coins put in. Vending machine is a common equipment for commercial automation, which is not limited by time and place, and can save manpower and facilitate transactions. It is a new form of commercial retail, also known as a 24-hour micro-supermarket.

At present, there are four types of common vending machines in China: beverage vending machines, food vending machines, comprehensive vending machines, and cosmetics vending machines.

Summary. There is an organic shell, an internal shipping unit, a compressor, and a banknote and coin device.

There is an organic shell, an internal shipping unit, a compressor, and a banknote and coin device.

I've read this, can you be a little bit more detailed?

Good. Fuselage: It is the overall framework of the vending machine, and it is the appearance of the vending machine.

Shelf + spring: It is the carrier of selling commodity displays. Beverages, snacks and other goods used for sale are sold on the shelves of vending machines.

Spring: The main role is to promote the track of commodity shipment. The spring can be changed according to the size of the goods in the vending machine, the spring is too narrow, it is easy to cause jamming, and too wide will cause drops.

Motor: refers to an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction. Its main function is to generate driving torque, as a power source for electrical appliances or various machinery.

It usually refers to a device that converts electrical energy into kinetic energy. Operation panel: It is an operating platform for customers to select and pay for goods when buying and selling goods using vending machines.

It is composed of a display screen, operation touch buttons and the location of the card swiping position, etc., and the display screen will generally display the price of the product, payment method, etc. Compressor: It is a driven fluid machinery that lifts low-pressure gas into high-pressure gas, and is the heart of the refrigeration system.

An indispensable source of cold air release in a vending machine with a refrigeration function. The compressor will accumulate a lot of dust after working for a long time, and it needs to be cleaned regularly, otherwise the refrigeration effect will be affected. Main Control Board:

It is the heart of the vending machine. It is responsible for the main part of the command and control of various components of the vending machine. Harness:

It is the bridge connected by the various parts of the vending machine, like the blood flow of the human body, and the lines of the vending machine are unblocked, so that the machine can operate normally.

Do you know the choice of a currency recognition system for vending machines?

The vending machine is mainly composed of the body shell, the whole machine power supply, the lighting system, the payment system, the commodity channel, the refrigeration system, the interactive panel and the main control system.

Body shell: A metal shell that forms the main body of the vending machine's structure, with a product display window and a pick-up opening.

Power supply of the whole machine: the power supply part that supplies power to internal equipment with functions such as voltage stabilization, voltage transformation distribution, anti-interference and anti-leakage.

Lighting system: provide lighting for the sample display window, generally LED strip light.

Commodity lanes: Mainly responsible for the storage and shipment of goods, there are different forms of cargo lanes, including the most common spring spiral lanes, crawler lanes, relatively complex S-shaped stacking lanes, and clusters of lattice cabinets. Each lane is suitable for different products and functions.

The spring spiral cargo lane is the most common, the structure is simple, and the goods with a variety of structures can be placed and stored, but the disadvantage is that bottled drinks are easy to jam, and it is more troublesome to place the goods. The crawler cargo lane is more suitable for placing goods that can stand steadily, such as boxed milk, boxed lunches, cans, cigarettes, etc., the disadvantage is that the goods that cannot be placed can not be placed, and it is more time-consuming to place the goods. S-shaped stacking cargo lane is a kind of cargo lane specially designed for beverage vending machines, which can sell all kinds of bottled and canned beverages, and the drinks are listed and stacked in the cargo lane, and the storage capacity is very large, relying on the gravity of the beverage itself to slide and ship, it will not be stuck, and it is convenient, and the outlet is controlled by an electromagnetic mechanism.

The disadvantage is that because of the complex structure, it is difficult to design and manufacture, and the cost is high. The multi-door lattice cabinet is a cluster cabinet structure, each compartment has a separate valve and control, but this form has a low space utilization rate and a small number of goods.

Refrigeration system: A system that refrigerates or keeps the temperature of the storage cabinet according to the storage conditions or taste requirements of the product, and is not a necessary part.

Main control system: The main control system is mainly responsible for controlling the local payment system, and after receiving the information of successful payment, it controls the motor of the cargo channel for shipment and completes the entire business logic. The main control system of the vending machine can be designed with a motherboard such as PLC, STM32 or ARM.

It should be noted that with the continuous development of ARM technology, in fact, an ARM motherboard can complete the functions of the interactive panel and the main control system, but according to the actual structural requirements of the automatic receiving machine and the convenience of later maintenance, most companies on the market still take the form of separate interactive panels and main control systems.

It is recommended to directly find an experienced and capable vending machine manufacturer to make it, save manpower and material resources, and achieve high efficiency.

How to make a vending machine? Puzzle and fun! The features are really realistic.

The vending machine was one of the earliest self-service inventions, dating back to the early 17th century in England, where brass vending machines could sell tobacco. In 1822, the first vending machine for distributing newspapers was invented. And so on, through the minds of many curious innovators, we now have the modern vending machine we know today.

Most of the time, these machines will dispense packaged snacks and cold drinks.

Some vending machine dealers pick up the goods from the manufacturer, and they don't know anything about how to develop, design, and produce. The Vending Machine itself is a vending machine manufacturer, from software development, design to hardware production and assembly, it is completed by the company's internal team, and the quality is guaranteed from the source.