CN1079554C

CN1079554C - Digital automatic vending-machine controlling system

Info

Publication number: CN1079554C
Application number: CN97100478A
Authority: CN
Inventors: 张跃明; 田忠; 崔保华
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-02-03
Filing date: 1997-02-03
Publication date: 2002-02-20
Anticipated expiration: 2017-02-03
Also published as: CN1162156A

Abstract

The system is composed of a microcomputer, a random keyboard, a communication control unit, a vending machine data input and control device and a vending driving component, wherein the random keyboard is connected with the keyboard interface of the microcomputer, and one end of the communication control unit is connected with the serial communication interface of the microcomputer; the vending machine driving component is controlled by the vending machine data input and control device, and the vending machine data input and control device is connected with the other end of the communication control unit by a transfer line. Centralized charge and customer archive establishment are adopted by the system to control the vending action of a vending machine. Money is not used on the vending machine in the process of transaction, so the problem that an automatic coin-box vending machine has certain requirements for money is solved essentially. The system is suitable for places with fixed and centralized consumption groups.

Description

Digital automatic vending-machine controlling system

The present invention relates to automatic vending-machine controlling system, belong to the computer technology application.

Existing automatic vending machine is sold goods with the coin-feed unit, behind the input currency (coin or bank note), is discerned by the currency identification mechanism of automatic vending machine, and the driver part of controlling vending machine according to recognition result moves, and finishes the function of selling goods.Its defective is: vending machine all has certain requirement to the quality and the material of currency, and the broken rate of China's paper money in circulation is more not easy to identify than higher; The circulation of coin is few, value of money is low, carry inconvenience, and the material of monobasic coin is not easy to identify, and is just not easy to identify on the currency identification mechanism as the A3 steel disc of same size.These defectives also are to influence the main cause that slot machine popularizes in China.

The objective of the invention is to design a kind of digital automatic vending-machine controlling system that overcomes above-mentioned defective.

For reaching this purpose, the present invention by the following technical solutions:

Digital automatic vending-machine controlling system, form by microcomputer, random keyboard, communication controller, the input of vending machine data and control device, the driver part of selling goods, wherein: random keyboard connects the keyboard interface of microcomputer, the serial communication interface of one termination microcomputer of communication controller, input of vending machine data and control device control vending machine driver part, input of vending machine data and control device are connected with the other end of communication controller by transmission line.

Random keyboard is made up of single chip circuit, keyboard circuit and display circuit, keyboard circuit and display circuit order sheet machine circuit, and single chip circuit connects the keyboard interface of microcomputer; Communication controller is made up of single chip circuit, random access memory, RS232 interface circuit, many mouthfuls of RS485 control circuits, RS485 interface conversion circuits, RS232 interface circuit and many mouthfuls of RS485 control circuits connect this single chip circuit, the serial communication interface of another termination microcomputer of RS232 interface circuit, another termination RS485 interface conversion circuit of many mouthfuls of RS485 control circuits; Vending machine data inputs and control device are made up of single chip circuit and connected random keyboard, display, driving circuit, RS485 change-over circuit, and the other end of RS485 change-over circuit is connected the RS485 interface conversion circuit of interrogating in the controller through transmission line.

During the native system operation, client is at first by microcomputer and random keyboard, set up customer profile and automatic vending machine archives, microcomputer is sent into every data message of customer profile and automatic vending machine archives in the storer of communication controller through serial communication interface, sets up customer profile and automatic vending machine archive information database in communication controller.When client does shopping, on input of the data of automatic vending machine and control device, import consumption information, by data input and control device data processing is handled, send in the communication controller by RS485 change-over circuit and transmission line, communication controller is sent into microcomputer with consumption information through the RS232 interface circuit more in real time.Communication controller and microcomputer compare judgement to consumption information and the customer profile information of self simultaneously, microcomputer is sent the object information of relatively judging back to communication controller through serial communication interface, communication controller is compared object information relatively with the result that microcomputer is passed back, as unanimity, communication controller is delivered to object information in the data input and control device of vending machine through transmission line, make vending machine carry out corresponding action, as inconsistent, communication controller sends the information that requires repeating transmission to the data input and the control device of vending machine.

Native system is because the behavior of selling goods of adopting Mass Money Request, setting up the method control automatic vending machine of customer profile, in the vending machine process of exchange, do not use currency, fundamentally solve slot machine to the currency problem that has certain requirements, thereby be applicable to the place that the fixed consumer group is concentrated.

Below in conjunction with drawings and Examples the present invention is elaborated.

Fig. 1 is a composition frame chart of the present invention;

Fig. 2 is the composition frame chart of random keyboard;

Fig. 3 is the card figure of random keyboard;

Fig. 4 is the composition frame chart of communication controller;

Fig. 5 is the composition frame chart of input of vending machine data and control device;

Fig. 6 is the circuit diagram of random keyboard;

Fig. 7 is the circuit diagram of communication controller;

Fig. 8 is the circuit diagram of input of vending machine data and control device.

Please refer to Fig. 1, the present invention is made up of microcomputer 11, random keyboard 12, communication controller 13, the input of vending machine data and control device 14, the driver part 15 of selling goods.Random keyboard 12 connects the keyboard interface of microcomputer 11, the serial communication interface of a termination microcomputer 11 of communication controller 13, and input of vending machine data and control device 14 are controlled vending machine driver parts 15, and are connected by the other end of transmission line with communication controller 13.

Microcomputer 11 is cores of native system operation, available various microcomputer more than 386.Consumer's management software of operation on microcomputer 11, can realize:

A. set up customer profile.Can set up customer consumption number by certain rule, input the consumption password by random keyboard 12 by client, client pays advnace money on a contract or sell on credit and handles.These consumption number, consumption password, advnace money on a contract information combination are built up customer profile.

B. set up the automatic vending machine archives.Every in system vending machine, various information are comprised that the commodity that every vending machine is sold are numbered, the quantity of every vending machine sold goods and the unit price of extensive stock are set up archives.

C. with communication controller 13 communications.Microcomputer 11 by the RS232 interface customer profile information, the automatic vending machine archives communication controller 13 of making a gift to someone, read the information of people's communication controller 13, these information comprise: the total charge of customer profile, automatic vending machine archives, client's consumption data, the consumption sum of vending machine extensive stock, vending machine sold goods and the total charge of all automatic vending machines that communication controller is managed.

Microcomputer 11 receives by the consumption information input of automatic vending machine data and control device 14 system of making a gift to someone in real time from communication controller 13.Pass the result who in the microcomputer 11 consumption information is compared with customer profile and vending machine archives and judged in real time back to communication controller 13, it comprises: cargo price and commodity amount that whether consumption number and password correct, search the pairing article number of plane No. of selling goods in the consumption information, calculate the consumption amount of money of this consumption information, relatively whether the remaining sum in the customer profile is more than or equal to this consumption amount of money, and data get corresponding results.

D. consumer information and automatic vending machine are carried out following background process: 1. check out: client is as withdrawing from native system, can settle accounts by microcomputer 11, print the settlement information of client's all automatic vending machines shopping in native system, clearing comprise client's consumption number, (code number), advance payment, the consumption amount of money, waste number of times and last remaining sum.2. the purchase, sales and stock management of vending machine commodity: comprise that quantity, the commodity of the kind of getting in stocks, each commodity of automatic vending machine are in short supplyly reported to the police, the information such as appraise at the current rate of the price of commodity, commodity.3. the editor of customer profile: comprise that client changes the personal consumption password, increases advance payment, audits etc.

Please refer to Fig. 2, random keyboard 12 comprises single chip circuit 21, keyboard circuit 22 and digital display circuit 23, keyboard circuit 22 and display circuit 23 order sheet machine circuits 21, and single chip circuit 21 connects the keyboard interface of microcomputer 11.

Random keyboard is the device that system sets up input personal identification number in the customer profile, the difference of it and common keyboard is: the key place value of each key position is a random variation on the random keyboard, shown in Fig. 3-1, it is made up of 16 key positions, wherein, " 0 "～" 9 " are the random by key position, and " A, B, C, D, affirmation, removing " is the retainingf key position.The key place value of random keyboard is determined by the numeral that shows with the corresponding charactron in key position on the keyboard.Client whenever presses primary key, and the key place value of random keyboard just produces once unordered variation at random, and shows (shown in Fig. 3-2) by charactron.Client uses random keyboard input password, has increased the confidentiality of password.

The circuit diagram of random keyboard 12 is seen Fig. 6.Among the figure: 8751 single-chip microcomputer IC1 ", C1～C3, E1 form basic single chip circuit.74244 impact damper IC9 ", 7413 Sheffer stroke gate IC10 ", 7432 or door IC14 ", transistor BG1 "～BG4 ", button S1 "～S16 " form the keyboard input control circuit.7402 rejection gate IC11 ", 74244 impact damper IC3 ", keyboard socket J1 " form the keyboard interface circuit that joins with microcomputer.74373 latch IC6 ", 7447BCD seven-segment decoder IC8 ", 74145BCD-ten code translator IC7 ", transistor BG5 "～BG14 ", charactron LED1 "～LED10 " forms keyboard random by key figure place sign indicating number display circuit.

The principle of work of random keyboard is as follows:

IC1 " program among the ROM is solidified in operation, and P1.6 pin output low level makes IC8 at ordinary times " is operated in complete dark state, and each LED closes, and Control Software is closed and interrupted, and key circuit is not worked.The request signal that allows the keyboard work when microcomputer 11 is sent into IC1 through J1 " 1 pin and IC3 " " the P1.3 pin after, software enters duty, its flow process is:

A.IC1 " call Monte Carlo generator, generate the random number between " 0～9 ", combined with " 0～9 " key item that order produces; as to generate the charactron binary-coded decimal and the position control binary-coded decimal of ten bytes; in every byte, low four is random number, and Gao Siwei is the key item.

B.IC1 " P1.4 pin output low level, open IC11 ", IC1 " P1.6 pin output high level, make IC8 and " enter duty, make display show the content of above-mentioned ten bytes.

C. scan button, when button S1 "～S16 " had one to press, its key place value was read into, and program is changeed step a then, till pressing acknowledgement key.Available cancel key is removed the numerical value of current input in input process.

D. 1 pin that after client pressed acknowledgement key, the program revolution was according to processing, and the data-switching of input is become ASCII character, outputed to J1 through IC1 " P1.2 pin, IC3 " serial " 2 pin, again synchronizing signal is delivered to J1 through IC1 " P1.0 pin, IC3 " " is sent into microcomputer 11 at last.

E.IC1 " P1.6 pin output low level, make IC8 " closes, and software is closed interruption simultaneously, waits for next workflow.

Please refer to Fig. 4, communication controller 13 is made up of single chip circuit 41, random access memory 42, RS232 interface circuit 43, many mouthfuls of RS485 control circuits 44, RS485 interface conversion circuits 45, RS232 interface circuit 43 and many mouthfuls of RS485 control circuit 44 order sheet machine circuits 41, the serial communication interface of another termination microcomputer 11 of RS232 interface circuit 43, another termination RS485 interface conversion circuit 45 of many mouthfuls of RS485 control circuits 44.

Communication controller 13 is management and the interface conversion controllers that carry out communication with many automatic vending machine data inputs and control device 14.It links to each other with microcomputer 11 by the RS232 interface, receive customer profile, vending machine archive information that microcomputer 11 transmits, in communication controller, set up corresponding customer profile information bank, vending machine archive information storehouse, customer profile and vending machine archive information can be sent it back according to the request of microcomputer 11, the judgement structure of consumption information and microcomputer 11 can be transmitted simultaneously in real time.

The circuit diagram of communication controller 13 is seen Fig. 7.Among the figure: 8751 single-chip microcomputer IC1 ', 74373 latch IC2 ', 62256RAMIC3 '～IC6 ', 74154BCD-16 code translators IC10 ' composition single chip circuit, IC10 ' generation chip selection signal.7492 frequency divider IC7 ', 8253 programmable counter IC8 ', 8251 serial ports IC9 ' able to programme, 1488RS232 level conversion pio chip IC34 ', 1489RS232 level conversion input chip IC 35 ' composition and microcomputer 11 carry out the RS232 interface conversion circuit of both-way communication, socket BJ1 connects the RS232 serial communication interface of microcomputer 11, the clock signal of IC7 ' reception IC1 ' is sent into the clock end of IC8 ', IC9 ' through frequency division.7402 rejection gate IC12 ', 74373 latch IC14 '～IC17 ' many, the many-to-one RS485 communication port control circuit that partners, wherein IC14 ', IC15 ' conduct expansion communication control circuit.OC Sheffer stroke gate IC18 '～IC21 ', Sheffer stroke gate IC22 '～IC25 ', 75175RS485 receives conversion chip IC26 '～IC29 ', 75174RS485 transmission conversion chip IC30 '～IC33 ', 7400 Sheffer stroke gate IC13 ' partner reaches the two-way RS485 interface conversion circuits of many-one more, and IC13 ' meets serial port RXD, the TXD of IC1 '.J1 '～J16 ' is the RS485 socket.

The principle of work of communication controller is as follows:

A. single-chip microcomputer IC1 ' carries out initialization to whole communication controller circuit.

B. the data of microcomputer 11 transmissions are through 3 pin of BJ1, the RXD end that IC35 ' enters IC9 ', and after IC9 ' received the first byte position of rest, its 14 pin output high level after paraphase, went out to interrupt application to the INT0 of IC1 ' human hair combing waste.IC1 ' execution communicating interrupt service routine receives the information that microcomputer 11 transmits continuously with inquiry mode, and communication data is sent in the communication buffer area among IC3 '～IC6 '.After finishing receiving, the data characteristics byte that IC1 ' basis reads is sent into by certain format in the file store of IC3～IC6.

C. after customer profile database and vending machine archive database built up, ICI ' sent control byte by data bus to IC16 ', IC17 ' circulation, controls the break-make on each road in the many mouthfuls of RS485 change-over circuits successively.

D. input of automatic vending machine data and control device 14 send communication request signal to communication controller 13, when for example the first via has the communication request signal input, this signal is through 1 pin of J1 ' and 2 pin, IC26 ', IC18 ', the IC13 ' RXD pin to IC1 ', after receiving, IC1 ' turns to the serial port interrupt service routine, 3 pin and 4 pin through its TXD pin, IC13 ', IC22 ', IC30 ', J1 ' send answer signal to input of vending machine data and control device 14, receive the consumption information of vending machine with inquiry mode.

E. the consumption information that receives is sent to microcomputer 11 in real time by the RS232 interface circuit.

F.IC1 ' execution data determining program compares the customer profile data among consumption information data and the RAM, vending machine file data, and information gets corresponding results.

G. this result is compared with the comparison judged result that microcomputer 11 transmits, then send this result, then send the information errors signal, require vending machine to retransmit consumption information to vending machine as inconsistent to vending machine as unanimity.

H. interrupt receiving various edit files and the order that microcomputer 11 sends, carry out corresponding program, change Customer Information storehouse and vending machine archive information storehouse, or database information is sent back microcomputer 11.

I. change step c.

Please refer to Fig. 5, input of vending machine data and control device 14 reach the random keyboard 52, magnetic card reader 53, driving circuit 54, display 55, the RS485 change-over circuit 56 that are connected with single chip circuit 51 by single chip circuit 51 and form.The other end of change-over circuit 56 is connected the RS485 interface conversion circuit 45 of interrogating in the controller 13 through transmission line.

The action that input of vending machine data and control device 14 are used to import the consumption information of automatic vending machine and control the topworks of vending machine, it is the data terminal unit of native system.The consumption information of native system is made up of the plane No. of selling goods, client's waste number, client's code number, the article number and the quantity of the commodity of purchasing or four parts of auditing.

Random keyboard 52 is used for importing consumption information, and input consumption is during number with merchandise news, and it be a sensing positioning keyboard, and promptly the numerical value that shows of charactron is constant in input process, in the process of input password, and key position generation random variation.Magnetic card reader 53 is used to import client's consumption number, and it can save the touch potential of client when shopping.Display 55 is used at client's shopping process to client's prompting operation step, and shows various data messages.Single chip circuit 51 is finished the input to the control of random keyboard 52 and magnetic card reader 53, the consumption information of being imported is processed processing, again through RS485 change-over circuit 56 and communication controller communication, the object information of passing back according to system sends control signal to driving circuit 54, makes its execution action of selling goods.

The circuit diagram of input of vending machine data and control device 14 is seen Fig. 8.Among the figure: 8751 single-chip microcomputer IC1,74373 latch IC2,2764ROMIC3 form single chip circuit, and IC3 has stored the shown word lattice character library of LCD.Sheffer stroke gate IC12 and LCD form liquid crystal display circuit.74373 latch IC6,74244 impact damper IC9,7402 rejection gate IC11,7432 or door IC14,7447BCD seven-segment decoder IC8,74145BCD-ten code translator IC7, charactron LED1～LED10, transistor BG1～BG14, button S1～S16 form the random keyboard circuit.74373 latch IC4, IC5 form Drive and Control Circuit.75175RS485 receives conversion chip IC16,75174RS485 transmission conversion chip IC17 and forms two-way RS485 interface conversion circuit.74244 impact damper IC19 are magnetic card reader data buffers, and J2 is the magnetic card reader socket.J1 is the RS485 socket, and the RS485 socket J1 of each vending machine is connected by one of RS485 socket J1 '～J16 ' in connection and the communication controller 13.

The principle of work of input of vending machine data and control device is as follows:

A. the principle of work of random keyboard as previously mentioned.

After b.IC1 handles the consumption information processing of random keyboard input, go out serial communication application signal by its TXD human hair combing waste, this signal converts 1 pin and 2 pin that the RS485 electric signal is delivered to socket J1 to through IC17, is sent to then in the communication controller 13, and the wait communication controller is replied.

C. the answer signal of communication controller 13 is sent into 3 pin and 4 pin of J1 through transmission line, delivers to the RXD pin of IC1 again through IC16, after IC1 receives this answer signal, sends consumption information continuously to communication controller 13 again, waits for that receiving communication controller 13 beams back object information.

D.IC1 gets dot matrix character data among the ROM according to running status in the executive routine process, send LCD to show.

E.IC1 receives the object information that communication controller 13 is sent, and the article number in the merchandise news is write IC4, IC5, sends fill order by the latter to driving circuit.

F. driving circuit (its circuit is by the decision of different vending machine execution unit) the control automatic vending machine execution unit action of selling goods.

G. repeat above-mentioned steps.

Claims

1. digital automatic vending-machine controlling system is characterized in that it is made up of microcomputer, random keyboard, communication controller, the input of vending machine data and control device, the driver part of selling goods, wherein:

Random keyboard is in order to the input consumption information, and it connects the keyboard interface of microcomputer;

Communication controller is management and the interface conversion controller that carries out communication with many automatic vending machine data inputs and control device, the serial communication interface of one termination microcomputer;

The action that input of vending machine data and control device are used to import the consumption information of automatic vending machine and control the topworks of vending machine, input of vending machine data and control device control vending machine driver part, input of vending machine data and control device are connected with the other end of communication controller by transmission line.

2. digital automatic vending-machine controlling system as claimed in claim 1 is characterized in that:

Described random keyboard is made up of single chip circuit, keyboard circuit and display circuit, keyboard circuit and display circuit order sheet machine circuit, and single chip circuit connects the keyboard interface of described microcomputer;

Described communication controller is made up of single chip circuit, random access memory, RS232 interface circuit, many mouthfuls of RS485 control circuits, RS485 interface conversion circuits, RS232 interface circuit and many mouthfuls of RS485 control circuits connect this single chip circuit, the serial communication interface of the described microcomputer of another termination of RS232 interface circuit, another termination RS485 interface conversion circuit of many mouthfuls of RS485 control circuits;

Described vending machine data input and control device reach the random keyboard, display, driving circuit, the RS485 change-over circuit that are connected with this single chip circuit by single chip circuit to be formed, and the other end of RS485 change-over circuit is connected the RS485 interface conversion circuit of interrogating in the controller through transmission line.

3. digital automatic vending-machine controlling system as claimed in claim 2 is characterized in that:

Single chip circuit in described vending machine data input and the control device also is connected to magnetic card reader.