CN201584023U - Network fiscal processor with high communication reliability - Google Patents
Network fiscal processor with high communication reliability Download PDFInfo
- Publication number
- CN201584023U CN201584023U CN2010200146000U CN201020014600U CN201584023U CN 201584023 U CN201584023 U CN 201584023U CN 2010200146000 U CN2010200146000 U CN 2010200146000U CN 201020014600 U CN201020014600 U CN 201020014600U CN 201584023 U CN201584023 U CN 201584023U
- Authority
- CN
- China
- Prior art keywords
- signal
- storage unit
- unit
- main control
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Power Sources (AREA)
Abstract
The utility model discloses a network fiscal processor with high communication reliability, which comprises a main control unit, a storage unit and a power supply unit. Each channel of control pins and data pins of the storage unit is connected with corresponding control pins and corresponding data pins of the main control unit via at least two signal wires. The network fiscal processor utilizes a backup form to design signal wires which are used for connecting and communicating the storage unit with other units, namely each channel of communication signals is transmitted by at least two signal connecting wires, when one of the signal connecting wires is in transmission failure, the signal can be transmitted by the other signal connecting wire continuously, thereby effectively ensuring running stability and reliability of the integral system. The storage unit independent with other units is arranged on an independent PCB, brings convenience to data migration while guaranteeing board-to-board signal transmission reliability without having to disposing high-performance and high-cost connectors among boards, thereby saving production cost of the integral unit.
Description
Technical field
The utility model belongs to the tax controlling equipment technical field, specifically, relates to a kind of network tax controller with high communication reliability.
Background technology
Network tax controller is present emerging product, is a kind of specialized equipment of monitoring POS system printed invoice information data, and is very high to the requirement of system reliability.Come circuit system in the planned network The Design of Tax Controled Device if adopt traditional board design mode, the main control unit, storage unit, power supply unit and the interface unit that are about to the constructing system circuit all are arranged on the same pcb board, as shown in Figure 1, when network tax controller breaks down, and when this fault appears in other unit except that storage unit, the system data and the program that are kept in the storage unit just can't derive, cause loss of data thus, whole equipment might be scrapped, make troubles not only for user's use, also caused massive losses economically.
In order to address the above problem, some network tax controller has proposed that storage unit and other unit are separated the mode that is arranged on different pcb boards and has designed, to realize the data migration function.Adopt this circuit system composing design when improving the data security performance, some problems have also been produced inevitably, promptly the several logic chips unit that designed on same pcb board originally need connect by alternate manner now, such as realizing communication between plates by on different pcb boards, increasing interface unit, the instability that causes signal transmission has thus easily increased the labile factor of product.Need carry out in the signal of communication between plates at these, if a signal wire loose contact is once in a while arranged, will cause system crash, The Design of Tax Controled Device can't operate as normal, thereby causes total system normally to move.In order to address this problem, just require the product connected mode to have high reliability,, come the layout board interface as gold-plated military project interface unit such as adopting the expensive interface unit of high-performance, increase production cost of products so virtually again, reduced the competitiveness of product in market.
Based on this, how not increase under the prerequisite of production cost as far as possible, satisfy the high reliability designing requirement of network tax controller to signal communication, be subject matter to be solved in the utility model.
The utility model content
The purpose of this utility model is to provide a kind of network tax controller with high communication reliability, by adopting backup mode to connect design on the signal of communication line, even wherein fault appears connecting in one or one group of signal wire, can not influence the normal operation of total system yet, significantly improve the reliability of signal communication thus.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of network tax controller with high communication reliability, comprise main control unit, storage unit and power supply unit, each road control pin of described storage unit and data pins are all by corresponding control pin with data pins corresponding be connected of at least two signal connecting lines with main control unit.
Further, each road power pin of described storage unit is all by the relevant voltage output terminal corresponding connection of at least two signal connecting lines with power supply unit.
Further again, each road ground pin of described storage unit all is connected by the ground wire of at least two signal connecting lines with main control unit or power supply unit.
Data migration for convenience, described storage unit and main control unit are separately positioned on two independently on the pcb board, and two pcb boards are connected by inter-board interface.
Wherein, be provided with two groups of interfaces that are used to transmit same signal at least in described inter-board interface, all defining in every group interface has storage unit and the required all functions pin of other unit communication; Many signal connecting lines that are used for transmitting same road signal between described storage unit and the main control unit connect one to one with the corresponding function pin of described many group interfaces respectively.
Further, described power supply unit and main control unit are arranged on the same pcb board, and many signal connecting lines that are used for transmitting power supply between described storage unit and the power supply unit connect one to one with the power pin of described many group interfaces respectively.
Further again, many signal connecting lines of each road ground pin of described storage unit respectively with described many group interfaces in ground pin connect one to one, and then be connected with the ground wire of described main control unit or power supply unit.
Further again, in described storage unit, include the storage chip that is used for saved system program and data, each road pin of described storage chip is respectively by respective pin corresponding be connected of two signal connecting lines with main control unit and power supply unit.
Further, described storage chip preferably adopts NAND FLASH chip.
Compared with prior art, advantage of the present utility model with good effect is: network tax controller of the present utility model adopts backup mode to design storage unit is connected communication with other unit signal wire, and promptly each road communication signal all adopts at least two bars connecting lines to transmit.So, when transmission fault appearred in a bars connecting line, signal can be proceeded transmission by an other bars connecting line, thereby had guaranteed the stability and the reliability of machine system operation.Storage unit is independent of other unit is arranged on one independently on the pcb board, when conveniently carrying out data migration, need not between plate to dispose the reliability that the expensive interface unit of high-performance can guarantee signal transmission between plate, thereby saved the complete machine production cost.
After reading the detailed description of the utility model embodiment in conjunction with the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the network tax controller system circuit board that proposes of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of embodiment of the inter-board interface of system shown in Figure 1 circuit board.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
The network tax controller of present embodiment is in order to improve the reliability of signal communication, storage unit is used for being connected the signal wire of communicating by letter with other unit (such as main control unit or power supply unit) adopts backup mode to design, promptly each road communication signal all adopts at least two signal connecting lines to transmit.So, even in signals transmission, there is one tunnel even one group of signal connecting line to break down, can not influence the normal transmission of signal between system yet.
Because in system's operational process, the signal wire that the communication failure incidence is the highest generally appears at the signal connecting line that is used for transmission of data signals or control signal between storage unit and the main control unit.Therefore, present embodiment preferably adopts backup mode to design data signal line between storage unit and the main control unit and control signal wire, such as with each road control pin of storage unit and data pins all by corresponding control pin with data pins corresponding be connected of at least two signal connecting lines, to guarantee system program and data reliable transmission between main control unit and storage unit with main control unit.
Consider from production cost, preferably adopt two signal connecting lines to transmit same road signal, as shown in Figure 1, promptly form two groups of signal flows: signal flow 1, signal flow 2.Wherein, the definition of signal flow 1 and signal flow 2 is identical, as long as wherein one group of signal flow can proper communication, just can guarantee the total system reliability service.From probability, the reliability of this connected mode exceeds tens percentage points than the reliability of mono signal stream transmission mode.Therefore, can make product because connectivity problem causes the idle possibility of system to be reduced to minimum.
In order further to improve reliability of system operation, can also be with each road power pin of storage unit all by at least two signal connecting lines and the corresponding connection of the relevant voltage output terminal of power supply unit in the network tax controller, such as power supply unit+the 3.3V dc voltage output end, to guarantee that power supply unit can be the storage unit power supply timely and accurately, guarantee that storage unit is in the running status that powers on all the time in network tax controller powers on back and system's operational process.
In addition, also can be connected, realize circuit system altogether by the ground wire of at least two signal connecting lines with main control unit or power supply unit for each road ground pin of storage unit.
Same, from the production cost angle, preferably adopt two signal connecting lines to transmit same road power supply signal or earth signal.
The signal wire backup design of present embodiment is not only applicable to storage unit and other unit adopts in the veneer mode designed system circuit, for adopting many plates mode designed system circuit, such as network tax controller storage unit is designed the circuit system that makes up respectively with other unit on different pcb boards with data migration function, under the prerequisite that makes things convenient for system data to transplant, need not the expensive interface unit of configuration high-performance on pcb board, only need to use conventional interface unit, can guarantee the reliable transmission of signal between plate as inter-board interface.As shown in Figure 1, storage unit is arranged on one independently on the pcb board, main control unit, power supply unit and interface unit are arranged on other one independently on the pcb board, adopt two groups to define completely that signal flow communicates between two pcb boards, even faults such as loose contact appear in a certain or a certain group of signal connecting line, signal still can be by other one or other one group of signal connecting line normal transmission between plate, system held is normally moved, increase the labile factor that interface unit causes system thereby reduced, under the prerequisite that increases production cost hardly, significantly improved reliability of system operation.
For when inter-board interface breaks down, convenient the interface that damages to be changed, present embodiment preferably adopts the mode that disposes many group interfaces at many groups signal flow to come layout board interface circuit, as shown in Figure 2.With two groups of signal flows is example, promptly adopts two signal wires to transmit same road signal between storage unit and other unit.Interface CON1, CON2 come its each road pin is carried out functional definition according to the pin definitions of storage unit, are that example describes to adopt NAND FLASH chip to make up described storage unit.Because NAND FLASH chip comprises 8 circuit-switched data signal pins, 2 road address signal pins, 5 tunnel control signal pins, 1 tunnel power pin and multichannel ground pin, therefore, in interface CON1, CON2, all need definition: 8 circuit-switched data signal pins, as MD0～MD7; 2 road address signal pins are as MA18, MA19; 5 tunnel control signal pins are as MCS3_N (chip selection signal), FRB_N (system busy signal), CORE_RST_N (reset signal), FRE_N (read control signal), FEW_N (write control signal); And 2 tunnel power pin, as+3.3V.All the other pin definitions among interface CON1, the CON2 are ground pin, referring to shown in Figure 2.
With separately transmission of two groups of signal flows between two pcb boards, one group by above-mentioned interface CON1 transmission, other one group is passed through interface CON2 transmission, so, when one of them interface breaks down, need not the halt system operation, can pull up impaired interface and change or repair, thereby improve research and development and maintenance efficiency.
Certainly, how many group interfaces of configuration are the most suitable in described inter-board interface circuit, need specifically determine according to the situation how many root signal connecting lines of design in the circuit system back up signal between transmission board.In general, select several signal connecting lines to back up transmission, just correspondingly several groups of inter-board interfaces are set and get final product.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. network tax controller with high communication reliability, comprise main control unit, storage unit and power supply unit, it is characterized in that: each road control pin of described storage unit and data pins are all by corresponding control pin with data pins corresponding be connected of at least two signal connecting lines with main control unit.
2. the network tax controller with high communication reliability according to claim 1 is characterized in that: each road power pin of described storage unit is all by the relevant voltage output terminal corresponding connection of at least two signal connecting lines with power supply unit.
3. the network tax controller with high communication reliability according to claim 2 is characterized in that: each road ground pin of described storage unit all is connected by the ground wire of at least two signal connecting lines with main control unit or power supply unit.
4. the network tax controller with high communication reliability according to claim 3 is characterized in that: described storage unit and main control unit are separately positioned on two independently on the pcb board, and two pcb boards are connected by inter-board interface.
5. the network tax controller with high communication reliability according to claim 4 is characterized in that: be provided with two groups of interfaces that are used to transmit same signal in described inter-board interface at least; Many signal connecting lines that are used for transmitting same road signal between described storage unit and the main control unit connect one to one with the corresponding function pin of described many group interfaces respectively.
6. the network tax controller with high communication reliability according to claim 5, it is characterized in that: described power supply unit and main control unit are arranged on the same pcb board, and many signal connecting lines that are used for transmitting power supply between described storage unit and the power supply unit connect one to one with the power pin of described many group interfaces respectively.
7. the network tax controller with high communication reliability according to claim 6, it is characterized in that: many signal connecting lines of each road ground pin of described storage unit respectively with described many group interfaces in ground pin connect one to one, and then be connected with the ground wire of described main control unit or power supply unit.
8. according to each described network tax controller in the claim 1 to 7 with high communication reliability, it is characterized in that: include the storage chip that is used for saved system program and data in described storage unit, each road pin of described storage chip is respectively by respective pin corresponding be connected of two signal connecting lines with main control unit and power supply unit.
9. the network tax controller with high communication reliability according to claim 8 is characterized in that: described storage chip is a NAND FLASH chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200146000U CN201584023U (en) | 2010-01-05 | 2010-01-05 | Network fiscal processor with high communication reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200146000U CN201584023U (en) | 2010-01-05 | 2010-01-05 | Network fiscal processor with high communication reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584023U true CN201584023U (en) | 2010-09-15 |
Family
ID=42726031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200146000U Expired - Fee Related CN201584023U (en) | 2010-01-05 | 2010-01-05 | Network fiscal processor with high communication reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064803B (en) * | 2012-12-10 | 2015-11-25 | 华为技术有限公司 | A kind of data read-write method of NAND Flash storage device and device |
-
2010
- 2010-01-05 CN CN2010200146000U patent/CN201584023U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064803B (en) * | 2012-12-10 | 2015-11-25 | 华为技术有限公司 | A kind of data read-write method of NAND Flash storage device and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201699722U (en) | Splicing back plate | |
| CN101930276B (en) | Device for realizing main board power supply by hot-plugging technology | |
| CN105354116A (en) | Hot-plug detection method, apparatus, system and mobile terminal | |
| CN103076869A (en) | Design method for power-on maintenance of RACK equipment cabinet system | |
| CN109308274A (en) | A kind of switching device and SSD hard disk develop debugging system | |
| CN101697531A (en) | Method, device and equipment for multiplexing port | |
| CN101923505A (en) | Test system and method of peripheral component interconnection rapid slot | |
| CN106502363A (en) | A kind of electric power system of multi-node server system | |
| CN201584585U (en) | Interface circuit and network fiscal processor adopting same | |
| CN201584023U (en) | Network fiscal processor with high communication reliability | |
| CN102645955A (en) | Mainboard | |
| CN101052136B (en) | Back board and realizing method | |
| CN214278888U (en) | Distributed communication bus system reset circuit | |
| CN116166603A (en) | Split-board type management board and communication method, device, equipment and medium thereof | |
| CN104102292A (en) | PCIEX16(Peripheral Component Interconnect Express)-compatible independent research PCIE DAUGHTER CARD design method | |
| CN104123257A (en) | Universal serial bus devices, communication method, and computer readable storage medium | |
| CN201498059U (en) | Network fiscal processor | |
| CN203521838U (en) | Circuit switching board and electrical connection device | |
| CN201319187Y (en) | Multi-serial port automatic switching communication device | |
| CN101009500B (en) | A service interface board standby and main device for communication system | |
| CN112069104A (en) | Chip hot-plug protection circuit | |
| CN107636676B (en) | Card reader | |
| CN202583799U (en) | Hot-plug master programmable logic controller (PLC) | |
| CN210955058U (en) | Mainboard with a plurality of board-mounted USB interfaces | |
| CN207426212U (en) | A kind of multipurpose golden finger interface and golden finger software upgrading and hardware debugging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QINGDAO HISENSE INTELLIGENT COMMERCIAL SYSTEM CO., Free format text: FORMER NAME: HISENSE INTELLIGENT COMMERCIAL EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 3 building, No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao, China Patentee after: Qingdao Hisense Intelligent Commercial System Co., Ltd. Address before: 3 building, No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao, China Patentee before: Hisense Intelligent Commercial Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20130105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |