CN201111077Y - Second generation resident identification card build-in identification number reader - Google Patents

Second generation resident identification card build-in identification number reader Download PDF

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Publication number
CN201111077Y
CN201111077Y CNU2007201703480U CN200720170348U CN201111077Y CN 201111077 Y CN201111077 Y CN 201111077Y CN U2007201703480 U CNU2007201703480 U CN U2007201703480U CN 200720170348 U CN200720170348 U CN 200720170348U CN 201111077 Y CN201111077 Y CN 201111077Y
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CN
China
Prior art keywords
reader
generation
identification
data
circuit
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 - Lifetime
Application number
CNU2007201703480U
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Chinese (zh)
Inventor
于晓军
万雪松
赵辰清
易峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Strong Union Technology Co., Ltd.
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BEIJING STRONG UNION TECHNOLOGY Co Ltd
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Priority to CNU2007201703480U priority Critical patent/CN201111077Y/en
Application granted granted Critical
Publication of CN201111077Y publication Critical patent/CN201111077Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a reader for the internal identification number of the second generation resident ID card. The reader comprises a core control unit, non-contact communication card reading IC with high integration level, a real-time clock chip, a data storage, a system power supply circuit and an antenna; the core control unit adopts a single-chip encapsulation microprocessor to communicate with the data storage and the non-contact communication card reading IC with high integration level; the power supply module supplies the core control unit with electricity directly; the power supply of other modules are processed with power management through software control; the non-contact communication card reading IC with high integration level realizes the communication with the chip of the second generation resident ID card through the antenna and communicates with the real-time clock chip; the real-time clock circuit adopts the I2C bus clock chip with high performance and uses the power supply detection circuit in the interior of the real-time circuit to monitor the power supply battery of the system. The reader for the internal identification number of the second generation resident ID card adopts the RF technique to avoid the encryption and decryption module and realizes the read of the internal identification number of the second generation resident ID card.

Description

A kind of second generation resident identification card internal indicator reader
Technical field
The utility model relates to the Reader Design field, is specifically related to the reader of a kind of second generation resident identification card internal indicator number reading.
Background technology
Start the citizen ID certificate system of a new generation along with China, the examination of citizenship papers and verification also will become more accurate, non-contact IC card technology with high power capacity, high security, high noise immunity, characteristics such as swift to operate is more and more paid attention to by people, in the contactless IC card application system, reader is the middle bridge that connects contactless IC card and application program.Present authentication ids system adopts advanced non-contact IC card technique, and the reader of the special use by built-in encryption and decryption module can be realized reading of chip internal information.
Utilize the dedicated reader of built-in encryption and decryption module can obtain the interior concrete identity information of I.D. chip, owing to contain much information, realize encryption and decryption, reader internal circuit design complexity, program are loaded down with trivial details, and not every application all needs to use whole identity informations in the I.D. chip in our actual life, and the unique identification serial number that only needs one or more numbers to form gets final product.
The utility model content
The purpose of this utility model is to remedy above-mentioned the deficiencies in the prior art, and a kind of second generation I.D. internal indicator reader is provided, and need not use the encryption and decryption module, realizes reading of Certification of Second Generation internal indicator number.
For achieving the above object, the utility model adopts following technical scheme:
The utility model provides a kind of second generation resident identification card internal indicator reader, this reader comprises key control unit, high integration noncontact communication Card Reader IC, real-time timepiece chip, data-carrier store, system's feed circuit and antenna, key control unit is selected monolithic encapsulation microcontroller for use, it is characterized in that described key control unit selects monolithic encapsulation microcontroller for use, described microcontroller intercoms mutually with described data-carrier store, finish system's setting by the data in the storer that reads and writes data, control described high integration noncontact communication Card Reader IC and read Certification of Second Generation internal indicator number; Described system feed circuit comprise external power supply, power module; Described high integration noncontact communication Card Reader IC reads Certification of Second Generation internal indicator number by described antenna receiving-sending radiofrequency signal, and described key control unit is stored in identification number data-carrier store and finishes read operation; Comprise power sense circuit in the described real-time timepiece chip.
Described power module is directly given described key control unit power supply, described key control unit is by the supply voltage of software control real time clock circuit, data-carrier store, noncontact communication Card Reader IC module, significantly reduce the power consumption of system, improved the power supply service efficiency.
The systematic parameter that is provided with of described data-carrier store stored, described control module is finished system operation to data write in the data storages, comprise that system powers on after, the read operation during according to parameter initialization total system and Card Reader.
Real time clock circuit is selected I2C bus high-performance clock chip for use, utilizes the supplying cell monitoring of its inner power sense circuit to system simultaneously, monitoring result is written to the appointed area, conserve system resources.
Described antenna adopts square or circular or elliptical antenna, is wrapped in the outermost of described reader circuitry plate, guarantees that quality factor and bandwidth obtain optimal value.
Described reader also provides serial ports, USB mouth and PC communication, is convenient to management.
The utility model is reasonable in design, has saved the encryption and decryption module of complexity in the card reader, utilizes radio-frequency technique to realize reading the Certification of Second Generation chip.
Description of drawings
Fig. 1 is the utility model reader system theory diagram;
Fig. 2 is the utility model reader control module P89LPC932 chip functions block diagram;
Fig. 3 is the feed circuit of the utility model reader system;
Fig. 4 is the utility model reader control module P89LPC932 chip controls core circuit figure;
Fig. 5 is the utility model reader system radio circuit figure;
Fig. 6 is the utility model reader system clocking scheme;
Fig. 7 is an antenna circuit schematic diagram in the utility model reader;
Fig. 8 is antenna circuit board figure in the utility model reader;
Fig. 9 is data storage circuitry figure in the utility model reader;
Embodiment
Below in conjunction with accompanying drawing specific embodiment of the utility model is described, following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
According to an embodiment of the present utility model, a kind of second generation I.D. internal indicator reader system theory diagram as shown in Figure 1, comprise monolithic encapsulation microcontroller P89LPC932 chip, high integration noncontact communication Card Reader IC MF RC632/RC532 chip, real-time timepiece chip PCF8563, data-carrier store AT45DB021 chip, system's feed circuit and antenna, this reader also provides serial ports and USB mouth and PC communication, by authority is set main website and base station are set, core circuit high integration noncontact communication Card Reader IC MF RC632/RC532 chip utilizes REID, by specialized protocol realize with two generation chip communication, read in the Certification of Second Generation chip internal indicator number.
Below in conjunction with the function of this reader each several part of description of drawings and the annexation between each parts, the feasibility of this embodiment is described.
P89LPC932 chip functions block diagram as shown in Figure 2, the interior main function that realizes of this chip comprises: connect external signal by Port 0~Port 3 configurable Is/O mouth, connection USB mouth, serial ports realization are communicated by letter with PC; Data storage cell comprises the EEPROM storage data of 8Kb Flash storage system program, 256 byte RAM storage data, the auxiliary RAM of 512 bytes and 512 bytes, and the storage of data and program is realized in the parameter unit; The real-time timepiece chip interface is connected with the reader real-time timepiece chip realizes timing function; UART, I2C and SPI data bus are realized data transmission; Oscillatory circuit partly produces frequency signal and obtains cpu clock; Analog comparator and taking out obtains, comparing unit is realized the system clock timing function.
Its circuit diagram as shown in Figure 4 in this microcontroller, in this embodiment, monolithic encapsulation microcontroller links to each other by pin DATEIN, DATEOUT, the corresponding pin with storer of DACLK, FLASHCH, by system in the read-write memory parameter is set and finishes system operation, comprise that system initialization operation after powering on number is read internal indicator by USB mouth, serial ports during with Card Reader as ID number of initialization apparatus, the storage mode of main website, slave station, on time, unused time, data etc. to communicate by letter with PC.
System's feed circuit as shown in Figure 3 are power modules of this reader, present embodiment has used some simple circuit to realize power management in the power supply design, whole feed circuit are divided into three parts, cell voltage is by connector BATTER input, through behind the buck diode D3 voltage about 6V being reduced to 5.3V, 5.3V output 5V left and right sides voltage is supplied with the 5V circuit on the plate behind the voltage process triode VT4, VT4 is by the control core P89LPC932 chip controls of system; DC-DC chip AS1117 formation 3.3V feed circuit are the control core P89LPC932 chip power supply on the circuit board; 3.3V the supply voltage behind the voltage process triode VT2 about output 3V is the circuit supply about other 3V on the plate.Therefore the control core P89LPC932 chip except system adopts AS1117 formation 3.3V feed circuit directly to power, complete control core P89LPC932 by system such as other circuit such as system clock circuit and data-carrier store etc. controls VT2 by software and VT4 realizes power supply, significantly reduce the power consumption of system like this, improved the power supply service efficiency.
Radio circuit as shown in Figure 5 is the core of card reading system, the Mifare MF RC632 chip that high integration noncontact communication Card Reader is selected for use is applicable to that frequency of operation is contact type intelligent card and the label of 13.56MHz, and support the contactless standard of multiple ISO in this band limits, comprising ISO1443 and ISO15693.This novel IC of reading has used a kind of special modulation notion, this technology can change the amplitude of radiofrequency signal, can discern various smart cards, sign and label based on RFID, and support ISO1443 and ISO15693 standard, its design and the existing IC pin that reads in Philip are to pin compatibility.This IC-card parallel interface can be directly connected to any 8-bit microprocessor, great dirigibility is provided for the design of card readers/terminals.In addition, the spi bus that it provided provides effective settling mode to the design of some I/O resource-constraineds.In the present embodiment, radio circuit connects the external radio frequency antenna by TX (comprising pin TX1, TX2, RX, GND), links to each other by pin RS530MISO, RC530NSS, the corresponding pin with control module of RC530CS, RC530RST.
Be illustrated in figure 6 as the clock circuit of card reading system, the PCF8563 that clock circuit is selected for use, PCF8563 is a low-power consumption, be programmed for clock output, interrupt the CMOS chip of output and low-voltage measuring ability, all addresses and data are all passed through serial i 2C bus transfer, flank speed can reach 400kbps, and built-in word address register adds 1 automatically after each read-write finishes.In the present embodiment, clock circuit for saving the I/O resource of system, is selected the clock chip of I2C bus except that providing the time reference for system for use, utilizes its inner power sense circuit that the supplying cell of system is carried out prosecution simultaneously.In this real-time example, clock circuit links to each other with power supply by pin VDDU5, and by pin V1OUT power supply, pin OSC1, OSC2 link to each other with oscillatory circuit, realize clock frequency, pin CLSCL, CLSDA link to each other with the corresponding pin of control module P89LPC932 and transmit clock signal.
As Fig. 7, the circuit diagram that Figure 8 shows that antenna and circuit board figure, because the frequency of MF RC632 is 13.56MHz, belong to short-wave band, therefore can adopt little loop antenna.Little loop antenna has square, circle, ellipse, triangle etc., and present embodiment adopts the square antenna.Do not have strict boundary between the biggest size of element of antenna and the operation wavelength, be commonly defined as:
L/λ≤1/2π (1)
In the following formula, L is the full-size of antenna, and λ is an operation wavelength.For the system of 13.6MHz, the full-size of antenna is about 50 centimetres.In Antenna Design, quality factor q is a very important parameter, for the PCD antenna of Inductive RFID, higher figure of merit value can make the strength of current in the aerial coil big, but the power that can improve thus PICC transmits.The computing formula of quality factor is:
Q=(2πf0·Lcoil)/Rcoil (2)
F0 is a frequency of operation in the formula, and Lcoil is the inductance value of antenna, and Rcoil is the resistance value of antenna.Can be easy to calculate the transmission bandwidth of antenna by quality factor:
B=f0/Q (3)
From formula (3) as can be seen, the transmission bandwidth of antenna and the quality factor relation of being inversely proportional to.Therefore, too high quality factor can cause transmission bandwidth to dwindle, thereby weaken the modulation sideband, of PCD, cause PCD can't with cartoon letters.The factor best in quality of General System is 10~30, and maximal value can not surpass 60, considers the convenience of above-mentioned factor and realization, is inserted on the circuit board by pin TX as Fig. 7, antenna shown in Figure 8, and the outermost that is wrapped in circuit with lead forms square antenna.
Be illustrated in figure 9 as the data storage circuitry of this reader system, select Flash chip AT45DB021 for use, AT45DB021 is that the capacity of the spi bus interface of atmel corp's production is 264KB, be used for storage system setting and standby system data in the present embodiment, control module is powered to storer by pin V1OUT by the software control power management, communicate by letter with control module by pin DATEIN, DATEOUT, DACLK, FLASHCH realization, finish the setting and the change of systematic parameter.
Introduce the entire work process of this reader below in conjunction with embodiment:
As the internal indicator of 28 bytes of uniquely identified that are different from other Certification of Second Generation number, these identification numbers comprise Certification of Second Generation chip production manufacturer coding IIN, the Certification of Second Generation card code SN of 8 bytes and the Certification of Second Generation management number DN of 16 bytes of 4 bytes, in I.D. manufacturing process, write in the two generation chips, also charge to the people information management database of public security department simultaneously.
Reader passes through USB, serial ports is connected with PC, after system powers on, control module P89LPC932 is pin DATEIN by input/output port, the storage system that DATEOUT reads in the storer AT45DB021 chip is provided with parameter, according to the parameter initialization total system, comprise ID number of equipment, main website, slave station, on time, unused time, the storage mode of data etc., before Certification of Second Generation is taken reader during Card Reader, the outside emitting radio frequency signal of antenna that links to each other with the contactless communication Card Reader of reader MF RC632 chip by pin TX, circuit is under the excitation of radiofrequency signal in the Certification of Second Generation chip, producing voltage starts working the internal indicator of card stored number is launched, contactless communication Card Reader MF RC632 chip is accepted internal indicator number, control module is by pin RC530MISO, RC530NSS, RC530CS, RC530RST communicates by letter with MF RC632, internal indicator number is read and to be stored in chip AT45DB021 in will blocking by control program, pass through pin DATEIN by control program, DATEOUT reads the internal indicator number of the storage among the storer AT45DB021, and pass through serial ports, the USB mouth is communicated by letter with PC, finishes corresponding identity verification operation.
The utility model is not restricted to previous described embodiment.It will be apparent to those skilled in the art that not breaking away from of the possible multiple change and the modification of the utility model scope previous embodiment.These changes and modification drop within the utility model scope.

Claims (6)

1. second generation resident identification card internal indicator reader, this reader comprises key control unit, high integration noncontact communication Card Reader IC, real-time timepiece chip, data-carrier store, system's feed circuit and antenna, it is characterized in that described key control unit selects monolithic encapsulation microcontroller for use, described microcontroller intercoms mutually with described data-carrier store, high integration noncontact communication Card Reader IC, finish system's setting by the data in the storer that reads and writes data, control described high integration noncontact communication Card Reader IC and read Certification of Second Generation internal indicator number; Described system feed circuit comprise external power supply, power module; Described high integration noncontact communication Card Reader IC reads Certification of Second Generation internal indicator number by described antenna receiving-sending radiofrequency signal, and described key control unit is stored in identification number data-carrier store and finishes read operation; Comprise power sense circuit in the described real-time timepiece chip.
2. second generation I.D. identification number reader as claimed in claim 1, it is characterized in that described power module directly to described key control unit power supply, described key control unit is by the supply voltage of software control real time clock circuit, data-carrier store, noncontact communication Card Reader IC module.
3. second generation I.D. identification number reader as claimed in claim 1 is characterized in that the systematic parameter that is provided with of described data-carrier store stored.
4. second generation I.D. identification number reader as claimed in claim 1, it is characterized in that described real time clock circuit selects I2C bus high-performance clock chip for use, utilize of the supplying cell monitoring of its inner power sense circuit simultaneously, monitoring result is write the appointed area system.
5. second generation I.D. identification number reader as claimed in claim 1 is characterized in that described antenna adopts square or circular or elliptical antenna, is wrapped in the outermost of described reader circuitry plate.
6. second generation I.D. identification number reader as claimed in claim 1 is characterized in that described reader also provides serial ports, USB mouth and PC communication.
CNU2007201703480U 2007-08-23 2007-08-23 Second generation resident identification card build-in identification number reader Expired - Lifetime CN201111077Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CNU2007201703480U CN201111077Y (en) 2007-08-23 2007-08-23 Second generation resident identification card build-in identification number reader

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101923631B (en) * 2009-09-23 2013-04-17 兰州理工大学 CPLD-based low-frequency ID card real-time simulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101923631B (en) * 2009-09-23 2013-04-17 兰州理工大学 CPLD-based low-frequency ID card real-time simulator

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Second generation resident identification card build-in identification number reader

Effective date of registration: 20101124

Granted publication date: 20080903

Pledgee: Bank of Communications Ltd Beijing Zhongguancun Park sub branch

Pledgor: Beijing Strong Union Technology Co., Ltd.

Registration number: 2010990000974

C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 100011 Beijing Chaoyang District city two district Anwar Hospital No. 13 No. 7 Building 4 Room 403

Patentee after: Strong Union Technology Co., Ltd.

Address before: 100098 Beijing city Haidian District No. 48 Zhichun Road Yingdu building C-2-11C

Patentee before: Beijing Strong Union Technology Co., Ltd.

C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: 100098 Beijing city Haidian District No. 48 Zhichun Road Yingdu building C-2-11C

Patentee after: Strong Union Technology Co., Ltd.

Address before: 100011 Beijing Chaoyang District city two district Anwar Hospital No. 13 No. 7 Building 4 Room 403

Patentee before: Strong Union Technology Co., Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20120327

Granted publication date: 20080903

Pledgee: Bank of Communications Ltd Beijing Zhongguancun Park sub branch

Pledgor: Strong Union Technology Co., Ltd.

Registration number: 2010990000974

PM01 Change of the registration of the contract for pledge of patent right

Change date: 20120327

Registration number: 2010990000974

Pledgor after: Strong Union Technology Co., Ltd.

Pledgor before: Beijing Strong Union Technology Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20080903

CX01 Expiry of patent term