CN202495061U - Master control circuit of second-generation identity card reader - Google Patents
Master control circuit of second-generation identity card reader Download PDFInfo
- Publication number
- CN202495061U CN202495061U CN2012201370407U CN201220137040U CN202495061U CN 202495061 U CN202495061 U CN 202495061U CN 2012201370407 U CN2012201370407 U CN 2012201370407U CN 201220137040 U CN201220137040 U CN 201220137040U CN 202495061 U CN202495061 U CN 202495061U
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- power supply
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- lithium battery
- card reader
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Abstract
The utility model discloses a master control circuit of a second generation identity card reader. The master control circuit comprises a single-chip microcomputer control unit and a power supply unit, wherein output of the power supply unit is connected with a power supply end of the single-chip microcomputer control unit, the single-chip microcomputer control unit comprises a microprocessor, a memory, a mobile module, a card-read decryption module, a touch screen module and external interfaces, and the power supply unit comprises a power supply, a power supply switching circuit, a charging chip, a lithium battery and a load. The master control circuit in the utility model has the advantages that rich external interfaces are provided to improve compatibility of the reader, so that usage is more convenient; that a keyboard can be externally connected, which is convenient for rapid information input; that capacity of the memory is large, so that large amount of identity card information data can be stored; and that the power supply switching circuit and the standby lithium battery are added in the power supply unit, which improves stability and reliability of the system, wherein the lithium battery is charged for standby when the power supply supplies power normally, and the lithium battery supplies power for the whole circuit when the power supply has faults.
Description
Technical field
The utility model relates to a kind of China second-generation identity card reader governor circuit.
Background technology
Along with popularizing of second generation I.D., the use of China second-generation identity card reader has also more and more widely become one of indispensable office appliance in a lot of fields such as public security, work attendance, employee's management.Yet, existing identity card reader function singleness, interface is less, poor compatibility, use inconvenient, can't external connection keyboard, input speed is slow, efficient is low, memory span is limited, can't store a large amount of ID card information data.
In addition, existing identity card reader power supply power supply unit adopts the conventional power source powering mode: power supply directly is connected with circuit load, supplies power.So, when power supply trouble appears in power supply, entire equipment will paralyse, can't operate as normal, the stability of electric power system and poor reliability.
The utility model content
The purpose of the utility model is to solve the deficiency of existing China second-generation identity card reader governor circuit; A kind of novel China second-generation identity card reader governor circuit is provided; Overcome the conventional reader function singleness; Interface is less, poor compatibility, use inconvenient, can't external connection keyboard, input speed is slow, efficient is low, and memory span is limited, can't store a large amount of ID card information data; The power supply power supply unit adopts the conventional power source powering mode: power supply directly is connected with circuit load supplies power; When power supply trouble appears in power supply; Entire equipment will paralyse, can't operate as normal, shortcomings such as the stability of electric power system and poor reliability.
The purpose of the utility model realizes through following technical scheme: China second-generation identity card reader governor circuit; It comprises Single-chip Controlling unit and power supply power supply unit; The output of power supply power supply unit is connected with the power end of Single-chip Controlling unit; The Single-chip Controlling unit comprises microprocessor, storer, mobile module, Card Reader deciphering module, touch screen module and external interface; The Card Reader deciphering module comprises radio frequency card reading module and security module; External interface comprises SD card, mmc card interface, keyboard interface, USB interface and serial line interface, and storer, mobile module, touch screen module and external interface are connected with microprocessor respectively, and the radio frequency card reading module is connected with microprocessor through security module; The power supply power supply unit comprises power supply, power supply switch circuit, charging chip, lithium battery and load; The output of power supply is connected with the input of power supply switch circuit; An output of power supply switch circuit directly is connected with load, and another output is connected with load with lithium battery through charging chip successively.
The beneficial effect of the utility model is: integrate mobile phone and I.D. card-reading function, abundant external interface is provided, improved the compatibility of reader, make that use is convenient; But external connection keyboard, the information of being convenient to is imported fast; Memory span is big, can store a large amount of ID card information data; The power supply power supply unit has been set up power supply switch circuit and subsequent use lithium battery; In the power supply normal power supply, lithium battery is charged with subsequent use; When power supply breaks down, use lithium battery power supply to be provided as entire circuit, improved the stability and the reliability of system.
Description of drawings
Fig. 1 is the utility model structural representation block diagram.
Embodiment
The technical scheme of the utility model is described in further detail: as shown in Figure 1 below in conjunction with accompanying drawing; China second-generation identity card reader governor circuit; It comprises Single-chip Controlling unit and power supply power supply unit, and the output of power supply power supply unit is connected with the power end of Single-chip Controlling unit; The Single-chip Controlling unit comprises microprocessor, storer, mobile module, Card Reader deciphering module, touch screen module and external interface; Microprocessor adopts 32 ARM9 chip Samsungs 2440; Storer comprises NOR Flash, SDRAM and NAND Flash; The Card Reader deciphering module comprises radio frequency card reading module and security module; Touch screen module connects the color liquid crystal touch-screen of 240 х, 320 resolution, and external interface comprises SD card, mmc card interface, keyboard interface, USB interface and serial line interface, and 2～3 expansion serial ports; Storer, mobile module, touch screen module and external interface are connected with microprocessor respectively, and the radio frequency card reading module is connected with microprocessor through security module, and the radio frequency card reading module is connected with card reading antennas; As shown in Figure 2; The power supply power supply unit comprises power supply, power supply switch circuit, charging chip, lithium battery and load; The output of power supply is connected with the input of power supply switch circuit; An output of power supply switch circuit directly is connected with load, and another output is connected with load with lithium battery through charging chip successively.
Claims (1)
1. China second-generation identity card reader governor circuit; It is characterized in that: it comprises Single-chip Controlling unit and power supply power supply unit; The output of power supply power supply unit is connected with the power end of Single-chip Controlling unit; The Single-chip Controlling unit comprises microprocessor, storer, mobile module, Card Reader deciphering module, touch screen module and external interface, and the Card Reader deciphering module comprises radio frequency card reading module and security module, and external interface comprises SD card, mmc card interface, keyboard interface, USB interface and serial line interface; Storer, mobile module, touch screen module and external interface are connected with microprocessor respectively, and the radio frequency card reading module is connected with microprocessor through security module; The power supply power supply unit comprises power supply, power supply switch circuit, charging chip, lithium battery and load; The output of power supply is connected with the input of power supply switch circuit; An output of power supply switch circuit directly is connected with load, and another output is connected with load with lithium battery through charging chip successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201370407U CN202495061U (en) | 2012-04-01 | 2012-04-01 | Master control circuit of second-generation identity card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201370407U CN202495061U (en) | 2012-04-01 | 2012-04-01 | Master control circuit of second-generation identity card reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495061U true CN202495061U (en) | 2012-10-17 |
Family
ID=47001276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201370407U Expired - Lifetime CN202495061U (en) | 2012-04-01 | 2012-04-01 | Master control circuit of second-generation identity card reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136376A (en) * | 2021-11-30 | 2022-03-04 | 国网宁夏电力有限公司电力科学研究院 | Switchgear monitoring system based on temperature sensor fusion application |
-
2012
- 2012-04-01 CN CN2012201370407U patent/CN202495061U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136376A (en) * | 2021-11-30 | 2022-03-04 | 国网宁夏电力有限公司电力科学研究院 | Switchgear monitoring system based on temperature sensor fusion application |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |