CN2836112Y - Financial tax-controlled cash register - Google Patents

Abstract

A financial tax-controlled cash register relates to the field of electronic products with the tax-controlled function, particularly a financial tax-controlled cash register. For solving the defects that the existing financial cash register has no tax-controlled function to result in tax loss, and parts of financial tax-controlled cash registers have complicated structure, slow data processing and low reliability, the financial tax-controlled cash register which comprises a 32-bit main control chip, an SOC tax-controlled SCM and a small amount peripheral elements and has a plurality of display drive interface circuits is provided. The utility model has the advantages of simple structure, convenient operation, stabilization and reliability, and can be used in various commercial business fields.

Description

A kind of finance tax-controlling cashing machine

Technical field

The utility model relates to the electronic product field with tax control function, particularly a kind of finance tax-controlling cashing machine.

Background technology

Requirement based on national policy, and along with development of electronic technology, the electronics gathering, electronic money, electronic transaction is day by day popularized, owing to not having tax control function, original electronic cash register do not cause tax erosion under this mode simultaneously, thus, domestic various electronic cash registers with tax control function have appearred, these tax-control cash registers have installed the tax control function module additional based on original cashing machine, but the bank finance machine for the electronic money trading of swiping the card with POS function is difficult to accomplish that tax control and the function of swiping the card merge, therefore the numerous domestic transaction finance machine of swiping the card does not possess tax control function, the domestic in addition financial machine that tax control function also occurred having on a small quantity, but what the main control chip of these finance tax-controlling cashing machines all adopted is 8 single-chip microcomputers, processing speed is slow, its function that can handle a little less than, in order to increase the function that needs, have to increase more peripheral cell, can cause the pcb board wiring more so simultaneously, the difficult problem of electromagnetic compatibility is serious day by day, reliability of products, stability can not get strict assurance.

The utility model content

The purpose of this utility model is in order to solve existing financial cashing machine and part finance tax-controlling cashing machine above shortcomings, for the user provides a kind of simple in structure, more reliable and more stable, finance tax-controlling cashing machine that display driver is abundanter.

The purpose of this utility model realizes by following technical proposals:

A kind of finance tax-controlling cashing machine, establish the main frame of interface circuit in comprising, the keyboard that is connected with main frame, main display, client's display screen, printer, code keypad, magnetic stripe detect mouth, cash box respectively, it is characterized in that: also be provided with main control module, tax-controlling module, ethernet circuit, Modem, VFD driving circuit, LCD driving circuit in this main frame, wherein main control module respectively with machine in outer keyboard, printer, the magnetic stripe of interface circuit, Modem, ethernet circuit, tax-controlling module and main frame detect and mouthful be connected; Modem, ethernet circuit are connected with interface circuit respectively again; Interface circuit is connected with tax-controlling module with code keypad and is connected; Tax-controlling module is connected with VFD driving circuit, LCD driving circuit, and VFD driving circuit, LCD driving circuit are connected with VFD display screen, LCD display respectively.

Above-mentioned main control module contains 32 single-chip microcomputers.

Above-mentioned tax-controlling module contains the SOC single-chip microcomputer.

Be provided with the VFD interface circuit that is connected with the SOC single-chip microcomputer in the above-mentioned tax-controlling module, the VFD interface circuit is connected with the VFD driving circuit again; Be provided with the LCD interface circuit that is connected with the SOC single-chip microcomputer in the tax-controlling module, the LCD interface circuit is connected with the LCD driving circuit again.

The beneficial effects of the utility model are, adopt in the main control module and adopt the SOC single-chip microcomputer in 32 single-chip microcomputers and the tax-controlling module, the more function module is integrated in the single-chip microcomputer, reduced the wiring of the peripheral cell and the pcb board of integrated circuit, correspondingly make product structure simple, and improved Electro Magnetic Compatibility, improved reliability and stability; The SOC single-chip microcomputer of tax-controlling module connects VFD, LCD driving circuit, and can plug into VFD, LCD display are for choosing of user provides more selection.

Description of drawings

Fig. 1 is a hardware configuration schematic block diagram of the present utility model;

Fig. 2 is the connection diagram of the utility model VFD interface circuit and its driving circuit;

Fig. 3 is the connection diagram of the utility model LCD interface circuit and its driving circuit;

Fig. 4 is a tax-controlling module partial circuit connection diagram of the present utility model;

Fig. 5 is a tax control software flow synoptic diagram of the present utility model.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Embodiment 1: as shown in Figure 1, the disclosed a kind of finance tax-controlling cashing machine of the utility model, comprise main frame and the keyboard that is attached thereto respectively, main display, client's display screen, printer, code keypad, magnetic stripe detects mouth, cash box, main frame contains interface circuit, main display is a LCD display, client's display screen is the VFD display screen, printer is installed in the host machine casing, cash box is installed in the bottom of main frame, it mainly is to detect bank card that magnetic stripe detects mouth, Financial Information in the identification bank card, magnetic stripe detects mouth and is installed on the casing of main frame, also has main control module in the main frame, tax-controlling module, main control module respectively with machine in interface circuit, Modem, ethernet circuit, the keyboard that tax-controlling module and main frame are outer, printer, magnetic stripe detects a mouthful connection; Modem, ethernet circuit are connected with interface circuit respectively again; Interface circuit is connected with tax-controlling module with code keypad and is connected; Tax-controlling module is connected with VFD driving circuit, LCD driving circuit, VFD driving circuit, LCD driving circuit are connected with VFD display screen, LCD display respectively, and interface circuit comprises Ethernet interface, Modem interface, two RS232 serial line interfaces, cash box interface, code keypad interface.Main control module contains 32 single-chip microcomputers, what its main control chip adopted is 32 S1C33 kernel processor chips of SEIKO EPSON, tax-controlling module contains SOC single-chip microcomputer upsd3234A, as shown in Figures 2 and 3, also be provided with the VFD interface circuit that is connected with SOC single-chip microcomputer upsd3234A in the tax-controlling module, the VFD interface circuit is connected with the VFD driving circuit again; SOC single-chip microcomputer upsd3234A also is connected with the LCD interface circuit, and the LCD interface circuit is connected with the LCD driving circuit again.

The characteristics of 32 S1C33 kernel processor chips of main control chip SEIKO EPSON are at a high speed, low-power consumption, low voltage operating, be to aim at the various application of embedded system and design, S1C33 series is core with 32 RISC CPU of CMOS of Seiko Epson (SEIKO EPSON) independent development, add that different peripheral circuits can make the MCU of multiple model, Core CPU nuclear is very little efficiently for it, logic gate number is about 100K, and employing 0.18um technology, the area of chip that CPU core is taken is less, to reach good cost performance, S1C33 adopts RISC (reduced instruction set computer) structure, instruction was carried out in a clock period, had improved the execution efficient of instruction greatly, 28 of address buss, linear addressing 256MB, programming is convenient; Secondly, what it adopted is the design of IP level, and S1C33 Core CPU is based on the Core of IP level design, based on the design of ASIC, can constitute a SOC (system on a chip) flexibly.Adopt the design concept of IP, improved the tempo of development of single-chip microcomputer greatly, to satisfy the needs in market.Concrete characteristics have 18um super low-power consumption CMOS technology; Article 105,16 fixed length order set, the highest cpu clock frequency 48MHz; Inner integrated 16K byte Asynchronous SRAM, 32 bus access and the synchronous SRAM of 40KB are used for display buffer, also can be used for inner buffer and use, also have the USB FIFO of 1KB in addition, built-in sdram controller, synchronous clock can arrive 48MHz, maximum 16 SDRAM of 256Mbit that support; The USB1.1 interface; Multiple storage medium interface, NANDFLASH, MMC (SPI), Sequential ROM, NAND support hardware ECC verification; 5 tunnel 10 ADC can be used for touch-screen and simulation imput device; 4 serial line interfaces, watchdog, 32KHzRTC.Utilize the abundant peripheral interface of S1C33, expanding system utilizes high performance 32 bit processors simultaneously easily, the function that must just can finish with a plurality of simple processor before can finishing, the hardware design of system is simple, and can easily carry out the system hardware upgrading.Utilize NAND as system's nonvolatile memory, have high capacity, characteristics cheaply, the ECC verification of hardware has improved the reliability and the performance of file read-write.

Tax-controlling module contains the SOC single-chip microcomputer that model is upsd3234A, and this chip adopts enhancement mode MCS-51 kernel, is the SOC single-chip microcomputer of MCU+PSD, and this device has following characteristics:

1,2 FLASH storeies are used for stored programme or data, are easy to realize online application programming function.

2, can select the high capacity SRAM of power backup protection.

3,2 kinds of Programmable Logic Device are respectively address decoding DPLD and combinational logic CPLD.

4,6 groups of general purpose I/O provide nearly 46 I/O pins.

5, the I2C of master-slave mode.

6, the USB1.1 of low-speed mode.

7,2 road serial-port UART.

8, the JTAG mouth of on-line system programming.

9, inside has the inferior Flash of main Flash, 32KB of 256KB and the SRAM of 8KB, and operating voltage is 5V, selects the 24MHz crystal oscillator for use.Wherein SRAM can deposit the data of some long preservation by the outer reserve battery power supply of sheet, keeps electric current and only needs 1 μ A.

Also have clock chip M41TOM6, IC-card module NCN6004 and storer M25P16 in the tax control cash receiving module, clock chip M41TOM6 has clock/calendar function, Timing millisecond, second, minute, hour, week, day, the moon, year, century.Can be after system's power down by the power supply of the standby power supply outside the sheet, with the continuation operation of retention tab internal clock.Adopt the 32.768kHz crystal oscillator, operating voltage 5V, working current 130～200 μ A, backup battery voltage 3V keeps electric current and only needs 1 μ A, the peak transfer rate 400kHz of I2C; Memory span is 2MB, has 32 sectors, 256 pages of each sectors, and every page 256 byte, the page or leaf programming time is 1.4ms.M25P16 adopts spi bus interface, peak transfer rate 50MHz, low-work voltage 3.3V.In order to realize the conversion of 5V to 3.3V logic level, can use three tunnel noninverting Schmidt trigger NL37WZ17 of Onsemi company, its compatible 5V and 3V logic level, output drives can reach 24mA, and the Flash storer is mainly used to store invoice data and tax-control data; UART (UART Universal Asynchronous Receiver Transmitter) conversion chip adopts the HIN202 of intersil company, and upsd3234A inside has 2 road UART, all can select the RS232 communication for use.The operating voltage of HIN202 is 5V, has 2 tunnel transmitting-receivings and drives; In order to realize power-down protection, adopt the chip NCP1402SN50T1 that boosts of Onsemi company, its minimum input trigger voltage is 0.8V, and output voltage is 5V, and output current is 200mA.When system's operate as normal, NCP1402SN50T1 can be big electric capacity charging, in case outage, big electric capacity still can be kept some times of this chip operation, and can finish some important tasks this moment, produces mistake to avoid abnormal power-down.Big electric capacity adopts the convoluted electric capacity of 3.3F/2.5V of two series connection, can keep power supply more than 30 seconds when being full of; 5V to 3.3V electric pressure converter adopts the NCP500SN33T1 of Onsemi company, and this chip output current is 150mA, can be the 3.3V device operating voltage is provided; What reserve battery adopted is two joint 3V/210mAh lithium batteries, and power supply can be kept more than 10 years at least.

The VFD driving circuit directly adopts the I/O pin of uPSD3234A as shown in Figure 2, finishes data communication between the VFD displaying screen controller with serial mode; The LCD driving circuit as shown in Figure 3, adopt the 19264LCD display screen, can show 12 * 4 Chinese (16 * 16 dot matrix), contain the dot matrix display control circuit, interface between display screen and uPSD3234A adopts 8 bit data, the I/O access mode, displaying contents is mainly controlled by software, in finishing, western language shows.

Software design structure of the present utility model as shown in Figure 5, software demarcation is with the lower part:

● master scheduling module:, finish to the funcall between the funcall in the master scheduling module or other module by management (keyboard, LCD interrupt or the like) to the bottom hardware input equipment.

● Sales module: under the calling of master scheduling module, finish cashing machine and sell flow process, and execution result is returned to the master scheduling module.

● sell supplementary module: sell the personal management that thereupon produces for cooperating, PLU management, the set of the functional module of category management and Report Server Management

● POS module: realize " bank card networking associating standard " business, technology and safety standard requirements

● tax-controlling module: realize tax control function.

(1) Sales module

Cuit:

Machine pattern---sales mode, return of goods pattern, training pattern.

Mode of operation---shop mode, show business pattern

The output project:

The related data of making out an invoice

The related data of printing

The related data that shows

Sell the related data of daily record

(2) sell supplementary module (administration module)

Cuit: the data-interface that category is relevant, increase at category, revise, during deletion, fill in parameter by administration module

Portion's class-mark

Category is provided with price

Category tax rate index

The category title

A.PLU related data interface increases at PLU, revises, and during deletion, fills in parameter by administration module

PLU number

The PLU commodity are preset price

The PLU commodity tax rate

The PLU trade name

B. personnel's related data interface carrying out personnel's increase, is revised, and during deletion, fills in parameter by administration module

ID users

User's name

User's post

User cipher

User right

The output project:

Category information is inquired about when selling the category commodity by Sales module, and PLU information is inquired about when selling the PLU commodity by Sales module, and personal information offers administration module and Sales module inquiry.

(3) tax-controlling module

Cuit:

The calling module incoming event

Administration module imports tax-controlling module into and reaches by the date in order to the from date of adding up invoice use data on a time period;

Administration module imports tax-controlling module into and reaches by the date in order to the from date of verifying by the period.

The output project:

Sales module calls tax-controlling module when making out an invoice, the depositing of printing invoice data, and in tax-controlling module, generate the tax control sign indicating number;

The information of the invoice volume that current tax-controlling module uses;

The monovolume invoice uses information;

Time period invoice use information gathers

Time period printing invoice data

The tax-controlling module operation result

Claims (4)

1, a kind of finance tax-controlling cashing machine, establish the main frame of interface circuit in comprising, the keyboard that is connected with main frame, main display, client's display screen, printer, code keypad, magnetic stripe detect mouth, cash box respectively, it is characterized in that: also be provided with main control module, tax-controlling module, ethernet circuit, Modem, VFD driving circuit, LCD driving circuit in this main frame, wherein main control module respectively with machine in outer keyboard, printer, the magnetic stripe of interface circuit, Modem, ethernet circuit, tax-controlling module and main frame detect and mouthful be connected; Modem, ethernet circuit are connected with interface circuit respectively again; Interface circuit is connected with tax-controlling module with code keypad and is connected; Tax-controlling module is connected with VFD driving circuit, LCD driving circuit, and VFD driving circuit, LCD driving circuit are connected with VFD display screen, LCD display respectively.

2, a kind of finance tax-controlling cashing machine as claimed in claim 1 is characterized in that: main control module contains 32 single-chip microcomputers.

3, a kind of finance tax-controlling cashing machine as claimed in claim 1, it is characterized in that: tax-controlling module contains the SOC single-chip microcomputer.

4, as claim 1 or 3 described a kind of finance tax-controlling cashing machines, it is characterized in that: be provided with the VFD interface circuit that is connected with the SOC single-chip microcomputer in the tax-controlling module, the VFD interface circuit is connected with the VFD driving circuit again; Be provided with the LCD interface circuit that is connected with the SOC single-chip microcomputer in the tax-controlling module, the LCD interface circuit is connected with the LCD driving circuit again.

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