CN2359749Y

CN2359749Y - Intelligent gas selling machine

Info

Publication number: CN2359749Y
Application number: CN 98233020
Authority: CN
Inventors: 唐宁
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-18
Filing date: 1998-09-18
Publication date: 2000-01-19
Anticipated expiration: 2008-09-18

Abstract

The utility model relates to an intelligent gas selling machine used for selling gas in advance for a combustion gas charging IC card. The utility model is composed of a microcontroller (1), a keyboard module (2), a serial interface (3), a real time clock circuit (4), a read-write card interface (5), a pop-up card socket (6), a spring card power module (7), a word stock module (8), a memory (9), a dot matrix liquid crystal module (10), a parallel interface (11) and a power module (12). The utility model has the characteristics that the operation is easy, the portability is high, data which is stored can not be modified, and the safety confidentiality is good.

Description

Intelligent gas selling machine

The utility model relates to a kind of intelligent gas selling machine, is used for storage, the printing of selling gas and selling the gas record of pipe gas charge IC-card.

At present, be used for the storage of selling gas and sales figure of pipe gas charge IC-card, the system of printing is made up of general purpose computer, general purpose I C card reader and desktop printer, system operation complexity, failure rate height are not easy to carry, the storage data are easily modified, and level security is poor.

The purpose of this utility model is exactly in order to overcome the deficiency of above-mentioned technology, a kind of easy operating to be provided, and is routine in carrying, and stores data and can't revise, and level security is good, the intelligent gas selling machine that cost is low, and it is applicable to the gas management of selling of pipe gas charge IC-card.

The utility model is made up of microcontroller, Keysheet module, serial line interface, real time clock circuit, read-write card interface, Pop-up deck, bullet card power module, character base module, memory, lattice lcd module, parallel interface and power module.Microcontroller is by data bus and Keysheet module, character base module, memory, the lattice lcd module, parallel interface links to each other, microcontroller is by address bus and character base module, memory links to each other, microcontroller is by address bus and character base module, memory links to each other, microcontroller is by control bus and character base module, memory, parallel interface links to each other, microcontroller links to each other with Keysheet module by input signal cable, microcontroller links to each other with serial line interface by control signal wire, microcontroller links to each other with the read-write card interface by control signal wire, and microcontroller links to each other with bullet card power module by control signal wire.

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

Fig. 1 is an integrated circuit block scheme of the present utility model.

Fig. 2 is a master control board electrical schematic diagram of the present utility model.

Fig. 3 is bullet card power module of the present utility model and read-write card interface electrical schematic diagram.

Fig. 4 is a Keysheet module electrical schematic diagram of the present utility model.

As shown in Figure 1, the utility model is made up of microcontroller 1, Keysheet module 2, serial line interface 3, real time clock circuit 4, read-write card interface 5, Pop-up deck 6, bullet card power module 7, character base module 8, storer 9, lattice lcd module 10, parallel interface 11 and power module 12.Microcontroller 1 links to each other with Keysheet module 2, character base module 8, memory 9, lattice lcd module 10, parallel interface 11 by data bus; Microcontroller 1 links to each other with character base module 8, memory 9 by address bus; Microcontroller 1 links to each other with character base module 8, memory 9, parallel interface 11 by control bus; Microcontroller 1 links to each other with Keysheet module 2 by input signal cable, and supervisory keyboard is imported reading of data; Microcontroller 1 links to each other with serial line interface 3 by control signal wire, can carry out data communication with external computing machine; Microcontroller 1 links to each other with real time clock circuit 4 by signal wire, can read the real time clock signal; Microcontroller 1 links to each other with bullet card power module 7 with read-write card interface 5 by signal wire, the operation of bullet card and the data read-write operation of control Pop-up deck 6.

Power module 12 of the present utility model adopts Switching Power Supply, and it is output as direct current+5V.

As shown in Figure 2, microcontroller 1 of the present utility model adopts microcontroller 87C552; Serial line interface 3 adopts RS232 driver MAX232; Shi Shizhong circuit 4 adopts realtime clock chip DS1302; Character base module 8 and memory 9 adopt flicker memory 29F040; Lattice lcd module 10 adopts lattice lcd MGL24064; Parallel interface 11 adopts eight D flip-flop 74LS374; Data latches 13 adopts eight D-type latch 74LS373; Code translator 14 adopts programmable logic device (PLD) GAL16V8.

Microcontroller 1 links to each other with Keysheet module 2, data latches 13, character base module 8, memory 9, lattice lcd module 10, parallel interface 11 by data bus; Microcontroller 1 also links to each other with code translator 14, character base module 8, memory 9 by address bus; Microcontroller 1 links to each other with code translator 14, character base module 8, memory 9, parallel interface 11 by control bus again.After pipe gas charge IC-card inserted Pop-up deck 6, microcontroller 1 was read user profile in the pipe gas charge IC-card by read-write card interface 5, after user validation is discerned, user profile was shown by lattice lcd module 10; After the operator purchased tolerance and Payment Amount by Keysheet module 2 input users, microcontroller 1 was purchased tolerance with the user and is encrypted, and data is write pipe gas charge IC-card again; While microcontroller 1 will be sold the gas record and write in the memory 9, and sell the gas record by parallel interface 11 driving external printers printings.

The P5.0 of microcontroller 1, P5.1, P5.2, P1.2 pin link to each other with Keysheet module 2 by input signal cable 15,16,17,18, are used for reading of supervisory keyboard input signal.

The RXD of microcontroller 1, TXD pin link to each other with R1OUT, the T1IN pin of serial line interface 3 respectively, can maybe will sell the gas record and be sent to computing machine by serial line interface 3 or parallel interface 11 and computer interconnection operation.

The P1.0 of microcontroller 1, P1.1 pin link to each other with SCLK, the I/O pin of real time clock circuit 4, can read current information of time by real time clock circuit 4, comprise year, month, day, hour, min, second, and show by lattice lcd module 10.

The TO of microcontroller 1, SDA, P1.6, P4.6 pin link to each other with read-write card interface 5 by

signal wire

20,21,22,23, by the Pop-up deck pipeline charge IC-card are carried out read-write operation.

The T1 pin of microcontroller 1 links to each other with bullet card power module 7 by signal wire 26, the work of may command bullet card power module 7, and after system had finished read-write operation to IC-card, may command ejected the IC-card automatic or manual.

Microcontroller 1 /RD ,/the WR pin respectively with character base module 8 /OE ,/WE pin, memory 9 /OE ,/WE pin and lattice lcd module 10 /RD ,/the WR pin links to each other, with the reading and writing data and the demonstration of control word library module 8, memory 9 and lattice lcd module 10.

As shown in Figure 2, that code translator 14 of the present utility model adopts is GAL16V8, and it links to each other with microcontroller 1 with control bus by address bus, after it deciphers the address signal on the address bus, and output chip choosing and latch control signal.Its output pin O1 links to each other with Keysheet module 2 by signal wire 19; Its output pin O2 and character base module 8 /the CE pin links to each other; Its output pin O5 and memory 9 /the CE pin links to each other; Its output pin O7 links to each other with the LCDE pin of lattice lcd module 10; Its output pin O3 links to each other with the CLK pin of parallel interface 11.

As shown in Figure 3, in the electrical schematic diagram of read-write card interface 5 of the present utility model, read-write card interface 5 is made up of resistance R 1, R2, R3, R4, diode D1, D2, D3, D4, triode T1, six drivers 7407.D1, D2, D3, D4 are the protection diode, adopt switching diode 1N4148; R1, R2, R3 are pull-up resistor; Driver 27 adopts six drivers 7407; Triode T1 adopts PNP triode 8550.The negative terminal of diode D1 links to each other with the negative terminal of diode D3, and resistance R 1 is connected across between the CRDIN pin of this tie point and Pop-up deck 6; The negative terminal of one end of resistance R 2 and the anode of diode D3, diode D4, the 3Y pin of driver 27, Pop-up deck 6 the 7th ' pin links to each other; The collector of the other end of resistance R 2 and resistance R 3, triode T1, Pop-up deck 6 the 3rd ' pin links to each other; The 1Y of the anode of the other end of resistance R 3 and diode D1, the negative terminal of diode D2,

driver

27 and 2A pin, Pop-up deck 6 the 8th ' pin links to each other; The end of base stage current-limiting resistance R4 links to each other with the base stage of triode T1, and triode T1 is used to control the break-make of the working power of Pop-up deck 6; The other end of resistance R 4 is connected with the P4.6 pin of microcontroller 1 by signal wire 23, is controlled by 1 pair of read-write card operation of microcontroller.

As shown in Figure 3, in the electrical schematic diagram of bullet card power module 7 of the present utility model, bullet card power module 7 is made up of resistance R 5, R6, R7, diode D5, triode T2, T3, T4, and R5, R6, R7 are the base stage current-limiting resistance; L represents the bullet card solenoid in the Pop-up deck 6; D5 adopts switching diode 1N4149 for the protection diode; T2 adopts PNP triode 8550, and T3, T4 adopt NPN triode 8050, and triode T2 drives triode, is used to drive triode T3, T4 work; Triode T3, T4 are used for controlling the current switching of solenoid L; One end of resistance R 5 links to each other with the T1 pin of microcontroller 1 by signal wire 26, and microcontroller 1 can be controlled the operation of bullet card; The other end of R5 links to each other with the base stage of T2; The end of R6 links to each other with the collector of R7, triode T2; The other end of R6 links to each other with the base stage of triode T3; The other end of R7 links to each other with the base stage of triode T4; The anode of diode D5 links to each other with the end of solenoid L by connecting line 25 with after the collector of triode T3 and T4 links to each other; The negative terminal of D5 links to each other with the other end of solenoid L by connecting line 24.

As shown in Figure 4, in the electrical schematic diagram of Keysheet module 2 of the present utility model, data latches 28 adopts eight D flip-flop 74LS374, and keyboard K adopts is 4 * 5 key groups.Microcontroller 1 links to each other with Keysheet module 2 by data bus; The P5.0 of microcontroller 1, P5.1, P5.2, P1.2 pin are by the 1st of input signal cable 15,16,17,18 and keyboard K the ', 2 ', 3 ', 4 ' pin links to each other, and is used for the reading of supervisory keyboard module 2 input signals; The Q0 of data latches 28, Q1, Q2, Q3, Q4 pin and keyboard K the 5th ', 6 ', 7 ', 8 ', 9 '; Pin links to each other, and is used to latch by key input signal.

When the operator charges pipe gas after IC-card inserts the Pop-up deck 6 of this intelligent gas selling machine, microcontroller 1 is read user profile in the pipe gas charge IC-card by read-write card interface 5, after user validation discerned, user profile is shown by the lattice lcd module; Lattice lcd module 10 can show current year, month, day and time simultaneously, and microcontroller 1 can together be preserved current time and user profile as selling the gas record; The operator purchases tolerance and Payment Amount by Keysheet module 2 input users', microcontroller 1 is encrypted user's the tolerance of purchasing earlier, control read-write card interface 5 and Pop-up deck 6 again enciphered data is write in the pipe gas charge IC-card, on lattice lcd module 10, show the information such as tolerance and Payment Amount of purchasing simultaneously; In this process, microcontroller 1 will be sold the gas record and write in the memory 9, and sell the gas record by parallel interface 11 driving external printers printings; After selling the gas end of operation, microcontroller 1 may command bullet card power module 7 and Pop-up deck 6 IC-card of automatically pipe gas being charged ejects.This intelligent gas selling machine can store sells 4000 of gas records, can pass through serial line interface 3 or parallel interface 11 external computing machines, and relevant user data is sent in the computing machine, also can sell the gas operation with computer interconnection.This intelligent gas selling machine also can pass through serial line interface 11 external printers, with the user profile printout.

Claims

1. intelligent gas selling machine, by microcontroller (1), Keysheet module (2), serial line interface (3), real time clock circuit (4), read-write card interface (5), Pop-up deck (6), bullet card power module (7), character base module (8), memory (9), lattice lcd module (10), parallel interface (11) and power module (12) are formed, feature of the present utility model is, microcontroller (1) is by data bus and Keysheet module (2), character base module (8), memory (9), lattice lcd module (10), parallel interface (11) links to each other, microcontroller (1) is by address bus and character base module (8), memory (9) links to each other, microcontroller (1) is by control bus and character base module (8), memory (9), parallel interface (11) links to each other, microcontroller (1) links to each other with Keysheet module (2) by input signal cable, microcontroller (1) links to each other with serial line interface (3) by control signal wire, microcontroller (1) links to each other with read-write card interface (5) by control signal wire, and microcontroller (1) links to each other with bullet card power module (7) by control signal wire.

2. intelligent gas selling machine according to claim 1, it is characterized in that, said read-write card interface (5) is by resistance R 1, R2, R3, R4, diode D1, D2, D3, D4, triode T1, six drivers 7407 are formed, the negative terminal of diode D1 is connected with the negative terminal of diode D3, resistance R 1 is connected across between the CRDIN pin of this tie point and Pop-up deck (6), one end of resistance R 2 and the anode of diode D3, the negative terminal of diode D4, the 3Y pin of driver (27), Pop-up deck (6) the 7th ' pin is connected, the other end of resistance R 2 and resistance R 3, the collector of triode T1, Pop-up deck (6) the 3rd ' pin is connected, the anode of the other end of resistance R 3 and diode D1, the negative terminal of diode D2, the 1Y of driver (27) and 2A pin, Pop-up deck (6) the 3rd ' pin is connected, the anode of the other end of resistance R 3 and diode D1, the negative terminal of diode D2, the 1Y of driver (27) and 2A pin, Pop-up deck (6) the 8th ' pin is connected, one end of resistance R 4 links to each other with the base stage of triode T1, and the other end of resistance R 4 links to each other with the P4.6 pin of microcontroller (1) by signal wire (23).

3. intelligent gas selling machine according to claim 1, it is characterized in that, said bullet card power module (7) is by resistance R 5, R6, R7, diode D5, triode T2, T3, T4 forms, one end of resistance R 5 links to each other with the T1 pin of microcontroller (1) by signal wire (26), the other end of R5 links to each other with the base stage of T2, an end and the R7 of R6, the collector of triode T2 links to each other, the other end of R6 links to each other with the base stage of triode T3, the other end of R7 links to each other with the base stage of triode T4, the anode of diode D5 is with after the collector of triode T3 and T4 links to each other, an end that goes out the solenoid L in the Pop-up deck (6) by connecting line (25) links to each other, and the negative terminal of D5 links to each other by the other end of the solenoid L in connecting line (24) and the Pop-up deck (6).

4. intelligent gas selling machine according to claim 1 is characterized in that, said real time clock circuit (4) adopts realtime clock chip DS1302.

5. intelligent gas selling machine according to claim 1 is characterized in that, said character base module (8), memory (9) all adopt flicker memory 29F040.