CN202600722U - Handheld verification instrument of second-generation identity cards - Google Patents
Handheld verification instrument of second-generation identity cards Download PDFInfo
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- CN202600722U CN202600722U CN 201220264345 CN201220264345U CN202600722U CN 202600722 U CN202600722 U CN 202600722U CN 201220264345 CN201220264345 CN 201220264345 CN 201220264345 U CN201220264345 U CN 201220264345U CN 202600722 U CN202600722 U CN 202600722U
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- card reader
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Abstract
The utility model discloses a handheld verification instrument of second-generation identity cards. The handheld verification instrument comprises an identity card reading circuit, a trans flash (TF) card reading circuit, a verification alarming circuit, a microcontroller and a display screen, wherein a safety module, an identity card reading processor and a TF card reading processor are respectively connected with a signal collection end of the microcontroller through a serial port switching chip, and a control signal input end of the microcontroller is respectively connected with the verification alarming circuit and the display screen. The handheld verification instrument is small in volume, light in weight, convenient to use and carry, capable of finishing data loading and updating through a TF card and fast in card reading, only supplies power to functional modules in working state, reduces system loss, prolongs use time of batteries and service life of devices, and has the advantages of being strong in power source supply stability, high in charging control accuracy and battery charging safety, long in service life and the like.
Description
Technical field
The utility model relates to the hand-held appearance of veritifying of a kind of Certification of Second Generation.
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, education and business administration.Certification of Second Generation is veritified appearance and is used to read Certification of Second Generation information; And the information database that combines to prestore is compared and is veritified; The final purpose that realizes that identity is veritified is widely used in the systems such as examinee's examination management, staff attendance management, for the enforcement of management work provides the support on the reliable technique.
Yet existing Certification of Second Generation is veritified the following problem of appearance ubiquity: (1) volume is bigger, and it is not too convenient to carry; (2) can only be connected loading and the renewal that could accomplish database with computer through the USB wiring, not possess TF card function, it is not too convenient to use; (3) Card Reader of the Card Reader of I.D. and TF card is all accomplished by microcontroller, and the load that has strengthened microcontroller has limited card reading speed; (4) as long as be in start, the functional module in the circuit is all in running order, and the system power dissipation loss is higher, not only wastes battery electric quantity, and has shortened the serviceable life of each functional module; (5) adopt direct insertion power supply, in case accident power-off occurs, what will directly cause veritifying the appearance data loses even the damage of equipment the power supply less stable; (6) the charging current control accuracy of rechargeable battery is lower, and charging control effect is relatively poor; Some control accuracies are higher, the PMIC prevailing price of better performances expensive, increased the whole cost of hand-held veritification appearance greatly.
The utility model content
The purpose of the utility model is to solve the deficiency of prior art, provide a kind of volume little, in light weight, can read the hand-held appearance of veritifying of low-cost Certification of Second Generation TF card data, that low-power consumption, power supply are stable, the charging control accuracy is high.
The purpose of the utility model realizes through following technical scheme: the hand-held appearance of veritifying of Certification of Second Generation, and it comprises I.D. Card Reader circuit, TF card Card Reader circuit, veritifies warning circuit, microcontroller and display screen; Described I.D. Card Reader circuit comprises card reading unit, decrypting device and I.D. Card Reader processor; Card reading unit comprises card reading antennas and signal processing module; Signal processing module comprises amplifying circuit, filtering circuit and A/D change-over circuit, and the output of card reading antennas links to each other with the Card Reader processor with the A/D change-over circuit through amplifying circuit, filtering circuit successively; Decrypting device comprises security module, and security module is connected with I.D. Card Reader processor through the I2C bus; Described TF card Card Reader circuit comprises TF card Card Reader processor and electronic switch a; An output terminal of TF card judges that with the insertion of TF card Card Reader processor pin links to each other; Another output terminal is connected with the input end of electronic switch a, and the output terminal of electronic switch a links to each other with the reset pin of TF card Card Reader processor; Security module, I.D. Card Reader processor and TF card Card Reader processor switch chip through serial ports respectively and link to each other with the signals collecting end of microcontroller, and the signal input end of microcontroller is connected with veritification warning circuit and display screen respectively.
The utility model also comprises power control circuit; Power control circuit comprises that power supply switches chip, charging chip, reserve battery and electronic switch b; The voltage input end that power supply switches chip is connected with power supply; The road output that power supply switches chip is connected with the voltage input end a of electronic switch b, and another road output is connected with the voltage input end b of electronic switch b with reserve battery through charging chip successively, and the voltage output end of electronic switch b is connected with Card Reader circuit and security module; The enable signal input end that power supply switches chip and electronic switch b all links to each other with the control signal output ends of microcontroller.
The utility model also comprises the charge protection warning circuit; The charge protection warning circuit comprises charging chip and charging warning device; The power supply input pin VDD of charging chip is connected with charge power supply POW, and charged state output pin STAT connects the negative electrode of diode (LED) 1, and the anode of diode (LED) 1 is connected with the diode supply voltage through protective resistance R1; Grounding leg VSS ground connection; Charging control pin Prog is ground connection behind resistance in series R2 and the R3 successively, and capacitor C 1 back of battery voltage detection pin VBAT parallel connection ground connection connects divider resistance R4 and R5, and the dividing potential drop output BAT1_AD of battery voltage detection pin VBAT is connected with the AD collection port of microcontroller; The control signal output ends of microcontroller is connected with the charging warning device through charging controlling alarm unit.
The described display screen of the utility model comprises the TFT-LCD display screen.
The beneficial effect of the utility model is:
(1) adopt hand-hold portable structure, volume is little, in light weight, and is easy to use and carry;
(2) can accomplish the loading and the renewal of data through reading the TF card, for the typing of batch Certification of Second Generation information provides convenience;
(3) Card Reader that is respectively I.D. and TF card provides independently Card Reader processor, has improved card reading speed;
(4) in use, can optionally supply power, only, reduce system loss, prolong the service time of battery and the serviceable life of equipment in running order functional module power supply according to the duty of each functional module to it;
(5) when power supply is system's normal power supply; Through charging chip subsequent use lithium battery is charged; Can call the load of subsequent use lithium battery reading card module when breaking off power supply supplies power; Effectively avoid the loss of data that accident power-off causes or the damage of equipment, improved the power supply stability of veritifying appearance;
(6) monitor the magnitude of voltage of rechargeable battery in real time, and when it is lower than a certain preset value, send alarm, forced shutdown when being lower than another lower preset value, control accuracy is high, and battery is played a very good protection.
Description of drawings
Fig. 1 is the utility model structural representation block diagram;
Fig. 2 is the utility model power control circuit structural representation block diagram;
Fig. 3 is the utility model charge protection warning circuit circuit theory synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the technical scheme of the utility model is described in further detail, but the protection domain of the utility model is not limited to the following stated.
As shown in Figure 1, the hand-held appearance of veritifying of Certification of Second Generation, it comprises I.D. Card Reader circuit, TF card Card Reader circuit, veritifies warning circuit, microcontroller and display screen, and display screen adopts 3.5 cun TFT-LCD display screens.I.D. Card Reader circuit comprises card reading unit, decrypting device and I.D. Card Reader processor; Card reading unit comprises card reading antennas and signal processing module; Signal processing module comprises amplifying circuit, filtering circuit and A/D change-over circuit, and the output of card reading antennas links to each other with the Card Reader processor with the A/D change-over circuit through amplifying circuit, filtering circuit successively; Decrypting device comprises security module, and security module is connected with I.D. Card Reader processor through the I2C bus.TF card Card Reader circuit comprises TF card Card Reader processor and electronic switch a; An output terminal of TF card judges that with the insertion of TF card Card Reader processor pin links to each other; Another output terminal is connected with the input end of electronic switch a, and the output terminal of electronic switch a links to each other with the reset pin of TF card Card Reader processor.Security module, I.D. Card Reader processor and TF card Card Reader processor switch chip through serial ports respectively and link to each other with the signals collecting end of microcontroller, and the signal input end of microcontroller is connected with veritification warning circuit and LCD display respectively.Microcontroller comprises that ARM9 processor, capacity are the RAM random access memory of 64MB and the FLASH storer that capacity is 1GB.
As shown in Figure 2; It also comprises power control circuit; Power control circuit comprises that power supply switches chip, charging chip, reserve battery and electronic switch b, and the voltage input end that power supply switches chip is connected with power supply, and the road output that power supply switches chip is connected with the voltage input end a of electronic switch b; Another road output is connected with the voltage input end b of electronic switch b with reserve battery through charging chip successively, and the voltage output end of electronic switch b is connected with Card Reader circuit and security module; The enable signal input end that power supply switches chip and electronic switch b all links to each other with the control signal output ends of microcontroller.
As shown in Figure 3; It also comprises the charge protection warning circuit, and the charge protection warning circuit comprises charging chip and charging warning device, and the power supply input pin VDD of charging chip is connected with charge power supply POW; Charged state output pin STAT connects the negative electrode of diode (LED) 1; The anode of diode (LED) 1 is connected with the diode supply voltage through protective resistance R1, grounding leg VSS ground connection, the control pin Prog ground connection behind resistance in series R2 and the R3 successively of charging; Capacitor C 1 back of battery voltage detection pin VBAT parallel connection ground connection connects divider resistance R4 and R5, and the dividing potential drop output BAT1_AD of battery voltage detection pin VBAT gathers port with the AD of microcontroller and is connected; The control signal output ends of microcontroller is connected with the charging warning device through charging controlling alarm unit.
Claims (4)
1. Certification of Second Generation is handed and veritified appearance, it is characterized in that: it comprises I.D. Card Reader circuit, TF card Card Reader circuit, veritifies warning circuit, microcontroller and display screen;
Described I.D. Card Reader circuit comprises card reading unit, decrypting device and I.D. Card Reader processor; Card reading unit comprises card reading antennas and signal processing module; Signal processing module comprises amplifying circuit, filtering circuit and A/D change-over circuit, and the output of card reading antennas links to each other with the Card Reader processor with the A/D change-over circuit through amplifying circuit, filtering circuit successively; Decrypting device comprises security module, and security module is connected with I.D. Card Reader processor through the I2C bus;
Described TF card Card Reader circuit comprises TF card Card Reader processor and electronic switch a; An output terminal of TF card judges that with the insertion of TF card Card Reader processor pin links to each other; Another output terminal is connected with the input end of electronic switch a, and the output terminal of electronic switch a links to each other with the reset pin of TF card Card Reader processor;
Security module, I.D. Card Reader processor and TF card Card Reader processor switch chip through serial ports respectively and link to each other with the signals collecting end of microcontroller, and the signal input end of microcontroller is connected with veritification warning circuit and display screen respectively.
2. the hand-held appearance of veritifying of Certification of Second Generation according to claim 1; It is characterized in that: it also comprises power control circuit; Power control circuit comprises that power supply switches chip, charging chip, reserve battery and electronic switch b; The voltage input end that power supply switches chip is connected with power supply; The road output that power supply switches chip is connected with the voltage input end a of electronic switch b, and another road output is connected with the voltage input end b of electronic switch b with reserve battery through charging chip successively, and the voltage output end of electronic switch b is connected with Card Reader circuit and security module; The enable signal input end that power supply switches chip and electronic switch b all links to each other with the control signal output ends of microcontroller.
3. the hand-held appearance of veritifying of Certification of Second Generation according to claim 1; It is characterized in that: it also comprises the charge protection warning circuit; The charge protection warning circuit comprises charging chip and charging warning device; The power supply input pin VDD of charging chip is connected with charge power supply POW, and charged state output pin STAT connects the negative electrode of diode (LED) 1, and the anode of diode (LED) 1 is connected with the diode supply voltage through protective resistance R1; Grounding leg VSS ground connection; Charging control pin Prog is resistance in series R2 and resistance R 3 back ground connection successively, and capacitor C 1 back of battery voltage detection pin VBAT parallel connection ground connection connects divider resistance R4 and divider resistance R5, and the dividing potential drop output BAT1_AD of battery voltage detection pin VBAT gathers port with the AD of microcontroller and is connected; The control signal output ends of microcontroller is connected with the charging warning device through charging controlling alarm unit.
4. the hand-held appearance of veritifying of Certification of Second Generation according to claim 1, it is characterized in that: described display screen comprises the TFT-LCD display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264345 CN202600722U (en) | 2012-06-06 | 2012-06-06 | Handheld verification instrument of second-generation identity cards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264345 CN202600722U (en) | 2012-06-06 | 2012-06-06 | Handheld verification instrument of second-generation identity cards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202600722U true CN202600722U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220264345 Expired - Lifetime CN202600722U (en) | 2012-06-06 | 2012-06-06 | Handheld verification instrument of second-generation identity cards |
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| Country | Link |
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| CN (1) | CN202600722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737212A (en) * | 2012-06-06 | 2012-10-17 | 成都因纳伟盛科技股份有限公司 | Handheld checker of second-generation identity card and checking method of handheld checker |
-
2012
- 2012-06-06 CN CN 201220264345 patent/CN202600722U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737212A (en) * | 2012-06-06 | 2012-10-17 | 成都因纳伟盛科技股份有限公司 | Handheld checker of second-generation identity card and checking method of handheld checker |
| CN102737212B (en) * | 2012-06-06 | 2014-11-19 | 成都因纳伟盛科技股份有限公司 | Handheld checker of second-generation identity card and checking method of handheld checker |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
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| CX01 | Expiry of patent term |