CN2836114Y - Tax controller - Google Patents
Tax controller Download PDFInfo
- Publication number
- CN2836114Y CN2836114Y CN 200520035931 CN200520035931U CN2836114Y CN 2836114 Y CN2836114 Y CN 2836114Y CN 200520035931 CN200520035931 CN 200520035931 CN 200520035931 U CN200520035931 U CN 200520035931U CN 2836114 Y CN2836114 Y CN 2836114Y
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- China
- Prior art keywords
- tax
- controlling module
- design
- controled device
- module
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Abstract
A tax controller relates to the field of electronic products with the tax control function, particularly a tax controller. For solving the defect of complicated structure existing in the existing tax controller, the tax controller which takes single tax control module and a small quantity of peripheral elements and has a USB interface to transmit and supply power is provided, wherein an SOC SCM is contained in the tax control module. The utility model has the advantages of simple structure, convenient operation, stabilization and reliability, and can be used in various commercial sale business fields.
Description
Technical field
The utility model relates to the electronic product field with tax control function, particularly a kind of The Design of Tax Controled Device.
Background technology
Based on the requirement of national policy, and along with development of electronic technology, electronics gathering, electronic money, electronic transaction are day by day popularized.Do not cause tax erosion owing to original electronic cash register does not have tax control function, thus, domesticly various The Design of Tax Controled Device occurred with tax control function.Reached the function of control tax revenue although these The Design of Tax Controled Device combine with original electronic cash register, there is following deficiency in these The Design of Tax Controled Device: cpu function is single, and peripheral cell is many, complex structure.
The utility model content
The purpose of this utility model is in order to solve existing The Design of Tax Controled Device above shortcomings, for the user provides a kind of simple in structure, The Design of Tax Controled Device more reliable and more stable than existing The Design of Tax Controled Device of working.
The purpose of this utility model realizes by following technical proposals:
A kind of The Design of Tax Controled Device comprises casing and circuit board, it is characterized in that: tax-controlling module is installed on the circuit board, and tax-controlling module contains the SOC single-chip microcomputer, and tax-controlling module is connected with USB interface, SAM deck, IC-card seat respectively.
The UART Universal Asynchronous Receiver Transmitter in addition that is connected with above-mentioned tax-controlling module.
Or UART Universal Asynchronous Receiver Transmitter replaces USB interface to be connected with tax-controlling module.
The power supply access point of circuit board is a USB interface.
The beneficial effects of the utility model are, tax-controlling module includes the SOC single-chip microcomputer, the more function module is integrated in the SOC single-chip microcomputer, reduced the wiring of the peripheral cell and the circuit board of integrated circuit, correspondingly make product structure simple, and improved Electro Magnetic Compatibility, improved reliability and stability; Use USB interface, improved transfer rate, and improved the convenience that power supply inserts.
Description of drawings
Fig. 1 is a structural representation block diagram of the present utility model;
Fig. 2 is the partial circuit structural representation of the utility model tax control cash receiving module;
Fig. 3 is a software configuration 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: the disclosed The Design of Tax Controled Device of the utility model includes casing and circuit board, ground wire on the circuit board is connected with the AC Power supply socket ground wire of this machine by lead, circuit board is provided with tax-controlling module, tax-controlling module is connected with SAM deck, IC-card seat, UART (UART Universal Asynchronous Receiver Transmitter) respectively, this module contains the SOC single-chip microcomputer that model is upsd3234A, 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-controlling 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.
Software design structure of the present utility model is divided into master scheduling module and tax-controlling module as shown in Figure 3, and the master scheduling module mainly is to finish the task scheduling of tax-controlling module; Tax-controlling module is the module that satisfies the function of tax control requirement.
1, master scheduling functions of modules: by serial ports carry out with main frame (HOST) between communicate by letter, the resolve command content under the cooperation of tax-controlling module, realizes tax control function.
Cuit: from the tax control order of host order reception;
Output project: the response of giving host; Give tax-controlling module tax control order, the tax control parameter.
2, tax-controlling module function: tax-controlling module correctly generates tax-control data by tax-controlling card, and tax-control data difference reliable memory is in tax-controlling card and tax-controlling memory; Adopt subscriber card or other medium with the tax-control data safe transfer in the The Design of Tax Controled Device management system of the tax authority.
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 The Design of Tax Controled Device comprises casing and circuit board, it is characterized in that: tax-controlling module is installed on the circuit board, and tax-controlling module contains the SOC single-chip microcomputer, and tax-controlling module is connected with USB interface, SAM deck, IC-card seat respectively.
2, a kind of The Design of Tax Controled Device as claimed in claim 1 is characterized in that: the UART Universal Asynchronous Receiver Transmitter in addition that is connected with tax-controlling module.
3, a kind of The Design of Tax Controled Device as claimed in claim 1 is characterized in that: UART Universal Asynchronous Receiver Transmitter replaces USB interface to be connected with tax-controlling module.
4, a kind of The Design of Tax Controled Device as claimed in claim 1 is characterized in that: the power supply access point of circuit board is a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035931 CN2836114Y (en) | 2005-10-31 | 2005-10-31 | Tax controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035931 CN2836114Y (en) | 2005-10-31 | 2005-10-31 | Tax controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836114Y true CN2836114Y (en) | 2006-11-08 |
Family
ID=37300765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035931 Expired - Lifetime CN2836114Y (en) | 2005-10-31 | 2005-10-31 | Tax controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836114Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106993001A (en) * | 2017-05-27 | 2017-07-28 | 山东腾蛟起风软件技术有限公司 | A kind of USB tax controlling equipment controllers of IP based network |
-
2005
- 2005-10-31 CN CN 200520035931 patent/CN2836114Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106993001A (en) * | 2017-05-27 | 2017-07-28 | 山东腾蛟起风软件技术有限公司 | A kind of USB tax controlling equipment controllers of IP based network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061108 |
|
| EXPY | Termination of patent right or utility model |