CN205983486U - Desk -top resident identification card reader - Google Patents
Desk -top resident identification card reader Download PDFInfo
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- CN205983486U CN205983486U CN201620684827.3U CN201620684827U CN205983486U CN 205983486 U CN205983486 U CN 205983486U CN 201620684827 U CN201620684827 U CN 201620684827U CN 205983486 U CN205983486 U CN 205983486U
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Abstract
The utility model relates to a desk -top resident identification card reader can carry out the superencipher to the ID card data, in the bluetooth communication, the transmission be secondary encrypted identity card information, effectually ensured the safety of identity card information in the bluetooth transmittal, can not be captureed the characteristics of decoding, the effectual safety of guaranteeing data by the third party easily, the data interface who has realized an equipment both can support USB computer terminal, can support to have the data terminal of bluetooth interface again, had solved the single defect of product output interface in the past, single DES encryption technology first time is in identity card information field application.
Description
Technical field
This utility model is related to a kind of desk-top resident identification card reading machine, is related to one kind and identity card cleartext information is carried out two
The method of secondary encryption, and transmit the equipment of cipher-text information in bluetooth communication, belong to commercial encryption product technical field.
Background technology
Today of scientific and technical fast development, China second-generation identity card technical field are also greatly improved, storage
More personal information, such as fingerprint, photo, blood group etc..It is related to country in frontier defense inspection, entry and exit inspection, public security, army etc.
The place of safety is required for examining personally identifiable information, purchasing the air ticket, ticket, airport, social security, medical insurance, finance, insurance, friendship
The places such as logical, education are also required to show identity card, and personal identity card is veritified；Increase with mobile service demand, very
The business moving is also required to real-name authentication more, such as the mobile phone business Room of telecommunications industry, mobile POS end.Certification of Second Generation identity card uses
Frequency more and more higher, therefore China second-generation identity card card reader have become as read identity information indispensable, necessary equipment.
Commonly use in the market is direct linkage type Certification of Second Generation card reader, and its output interface one kind can only support that USB connects
Mouth is it is impossible to support wireless data interface, another kind can only support blue tooth interface, but does not support USB interface；In blue tooth interface communication
In, identity card data is to carry out electromagnetic wave transmission with clear-text way, and data message does not have safety precautions, easily by the 3rd
Side or offender arbitrarily intercept and capture in the air, lead to subscriber identity information to leak.Market in urgent need is a kind of to support multichannel interface, peace
Complete, no divulge a secret, product can not illegally being cracked wireless data information, to meet strong, the primary demand of user.
Content of the invention
This utility model provides a kind of desk-top resident identification card reading machine, and its data-interface both can support USB computer
Terminal, can support the data terminal with blue tooth interface again, solve the single defect of conventional output of products interface；In bluetooth
In communication, transmission be secondary encryption after ID card information, effectively ensure that peace in Bluetooth transmission for the ID card information
Entirely it is impossible to the feature decoded is intercepted and captured by third party easily, it is effectively guaranteed the safety of data.
A kind of desk-top resident identification card reading machine disclosed in this utility model it is characterised in that：Main by single chip circuit,
Radio circuit, security module, bluetooth module, power circuit, data terminal composition；Wherein, power circuit and single chip circuit, penetrate
Frequency circuit, security module, the power end of bluetooth module are connected, and supply power for；Single chip circuit SPI interface and radio circuit
SPI interface is connected, and controls radio circuit work, and radio circuit sensing sends high frequency magnetic field, by body in high frequency magnetic field induction zone
Part card internal circuit is activated, and identity card high-frequency data ciphertext signal is sent to the data-interface end of radio circuit, radio frequency electrical
Road demodulates identity card numeral cipher-text information, and cipher-text information is sent to the SPI of single chip circuit again by spi bus interface
On EBI；The I of single chip circuit2C interface and the I of security module2C interface is connected, and ciphertext signal is delivered to and is referred to by the Ministry of Public Security
The fixed security module authorizing, security module is internally integrated algorithm, it is decrypted, and demodulates identity card numeral cleartext information；
Outfan one tunnel of security module is connected with USB interface, identity card number cleartext information is exported USB interface, is ultimately delivered to
The computer terminal of tool USB interface；Another road is connected with microcontroller serial port, and identity card numeral cleartext information is exported single-chip microcomputer；
Single-chip microcomputer connecting inner hardware, software resource and single DES algorithm carry out secondary encryption to it, form ciphertext；The serial ports of single-chip microcomputer
It is connected with the data terminal of bluetooth module, the ID card information of secondary encryption is sent to the data terminal of bluetooth module, bluetooth module
Data is sent；The data terminal with blue tooth interface receives the ID card information of secondary encryption, data terminal APP software pair
The ID card information of secondary encryption is decrypted, and finally gives required identity card cleartext information.
Described single chip circuit is made up of singlechip chip U1, resistance R5, R6, R1, R4, R9, electric capacity C8, realizes identity
The card transmission of ciphertext data, forwarding, the reception of clear data, the secondary encryption of clear data are simultaneously sent to the work(of bluetooth module
Energy.The power end of U1 is connected on voltage VDD3V3 network；Voltage VDD3V3 provides to single-chip microcomputer through resistance R9, electric capacity C6 and resets
Signal；VBAT, after resistance R11, R4 partial pressure, is connected to the AD sampling end of single-chip microcomputer, detects supply voltage；The SPI of single-chip microcomputer is total
Line is connected with radio-frequency line spi bus, receives identity card ciphertext data；The I of single-chip microcomputer2C bus and the I of security module2C bus
It is connected, send identity card ciphertext data to security module；The serial data of the serial data bus of single-chip microcomputer and security module is total
Line is connected, and receives the identity card clear data of security module deciphering；The serial data bus of single-chip microcomputer and the serial of bluetooth module
Data/address bus is connected, and the data sending secondary encryption is to bluetooth module；The IO output of single-chip microcomputer is connected with buzzer drive circuit,
Drive buzzer sounding；IO with LED of single-chip microcomputer is connected, and drives LED.
Described bluetooth module is made up of bluetooth chipset U2, diode (LED) 3, resistance R105, R106 electric capacity C8, realizes
Encryption data is in the transmission-receiving function of bluetooth module；The power end of U2 is connected on V_BT, and is connected to filter capacitor C8；V_BT leads to
Cross the display lamp port that light emitting diode is connected to U2, the working condition of display U2；Power vd D3V3 divides through resistance R105, R106
After pressure, it is connected in the Enable Pin of U2；The end that wakes up of U2 is connected on 1 output I/O port of single-chip microcomputer, receives single-chip microcomputer and sends
Wake-up signal, bluetooth module work；The serial data input of U2 is connected on the serial data end of single-chip microcomputer, receives monolithic
The instruction and data of machine transmission；The reset terminal of U2 is connected on the I/O port of single-chip microcomputer, receives single-chip microcomputer transmission reset signal；U2's
Serial data input is connected on the serial data end of single-chip microcomputer, receives the instruction and data of single-chip microcomputer transmission.
Described radio circuit by radio frequency chip U8, RT network, antenna P5, crystal Y1, diode D7, electric capacity C48, C42,
C41, C47, C50, resistance R50, R52 composition, realize radiofrequency signal transmission, the reception of identity card high-frequency signal, demodulation function；
The oscillator pin of U8 is connected to oscillator assembly Y1, C47, C50, provides 13M concussion source clock for its radio circuit；U8 answers
Position foot RST1 is connected on the I/O port of single-chip microcomputer, provides reset signal by single-chip microcomputer to it；The SPI interface of U8 is connected to single-chip microcomputer
On the SPI interface of single channel, after U8 receives the instruction of monolithic machine-read card, radio circuit works, and the drive end of U8 is connected to RT network
Input, the outfan of RT network is connected to P5 antenna, produces radio-frequency (RF) magnetic field；Identity card in radio-frequency (RF) magnetic field, after induced signal
Obtain electric, activate identity card internal circuit, identity card cryptogram information data is sent in radio frequency；Identity card radiofrequency signal through C48,
After D7, C42 assembly, a road is connected to the radio-frequency (RF) signal input end of U8 through R52, and another road is connected to the radiofrequency signal of U8 through R50
On reference edge；U8 chip is demodulated to the radiofrequency signal receiving, and obtains identity card numeral cipher-text information, then by this cipher-text information
It is sent on the SPI interface of single chip circuit by SPI interface.
Described security module is by safety chip P4, resistance R38, electric capacity C32, C27 form it is achieved that identity card ciphertext number
Export the serial port function of USB port, single-chip microcomputer according to deciphering and by identity card plaintext；The data input pin of P4 passes through I2C
Bus is connected to the I of single-chip microcomputer2In C bus, receive single-chip microcomputer I2Instruction that C bus transmits, identity card encryption data, in P4
Portion realizes data deciphering, restores identity card clear data；Clear data after P4 deciphering, a road is connected to list through serial line interface
On the serial data port 0 of piece machine, another road be connected directly to USB port；The power end of P4 is connected on VCC50 network, and connects
Filter capacitor C27；The resetting pin of P4 is connected to reset resistor and reset capacitance.
Described power circuit is by adapter J2, charging chip U3, voltage stabilizing chip U4, boost chip U5, switching tube Q4, suppression
Diode TVS1 processed, inductance LB4, adapter BT1, electric capacity C20, C23, C14, C15, CP2, CP1, resistance R30 composition it is achieved that
USB power source charges the battery and output voltage VDD3V3, VCC50 are to single chip circuit, radio circuit, bluetooth module circuit, peace
The power end of full modular circuit.The power end of J2 is connected to the input of U3 through inductance LB4, supplies power for；The state end 3 of U3
Foot, 4 feet are connected on the IO input port of single-chip microcomputer, the charging status information of output battery；Outfan one tunnel of U3 is connected to
Meet device BT1 to charge the battery, another road is connected to the input of Q4；The Enable Pin of Q4 is connected to an output I/O port of single-chip microcomputer
On, by the break-make of Single-chip Controlling Q4；Outfan one tunnel of Q4 is connected to the input of U4, provides input voltage, the output of U4
End is connected to VDD3V3, exports 3.3V；The outfan of Q4 is separately connected to the input of U5, provides input voltage, the outfan of U5
It is connected to VCC50, export 5.0V.
A kind of desk-top resident identification card reading machine work process described in the utility model, comprises the following steps：
1）Single-chip microcomputer controls radio circuit to send high frequency magnetic field by SPI interface, and tested identity card senses in high frequency magnetic field
After sensing high-frequency signal in area, internal circuit is activated, and sends identity card data high-frequency signal, and radio circuit receives high frequency letter
Number, and it is demodulated into ciphertext data signal, afterwards ciphertext data signal is delivered on the spi bus of single-chip microcomputer；
2）Single-chip microcomputer receives ciphertext data, and sends it to the I of single-chip microcomputer2In C bus；
3）The I by single-chip microcomputer for the security module2C interface receives ciphertext data, is internally integrated algorithm in security module, to close
Civilian data is decrypted, and demodulates identity card cleartext information；
4）Identity card cleartext information is divided into two-way output, and a road exports USB interface, is ultimately delivered to USB interface
Computer terminal；Another road is connected with microcontroller serial port, exports single-chip microcomputer；
5）Single-chip microcomputer connecting inner hardware, software resource and single DES algorithm carry out secondary encryption to identity card plaintext, are formed
Ciphertext, this ciphertext is exported bluetooth module by single-chip microcomputer；
6）The ID card information of secondary encryption is sent by bluetooth module, is ultimately delivered to the data terminal with blue tooth interface
On；
7）Data terminal is decrypted to the ID card information of secondary encryption, obtains identity card cleartext information.
Good effect of the present utility model is：Secondary encryption can be carried out to identity card data, in bluetooth communication, pass
Defeated is the ID card information after secondary encryption, effectively ensure that safety in Bluetooth transmission for the ID card information it is impossible to quilt
Third party intercepts and captures the feature decoded easily, is effectively guaranteed the safety of data；The data-interface achieving an equipment both may be used
To support USB computer terminal, the data terminal with blue tooth interface can be supported again, solve conventional output of products interface single
Defect；Single des encryption technology is applied in ID card information field first.
Brief description
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is single chip circuit of the present utility model；
Fig. 3 is bluetooth module of the present utility model；
Fig. 4 is radio circuit of the present utility model；
Fig. 5 is security module of the present utility model；
Fig. 6 is power circuit of the present utility model.
Specific embodiment
Illustrated further description this utility model by following examples, and limit this utility model never in any form,
On the premise of without departing substantially from technical solution of the present utility model, those of ordinary skill in the art that this utility model is made
Any change easily realized or change fall within right of the present utility model.
Embodiment 1
This utility model system block diagram as shown in Figure 1, by single chip circuit, radio circuit, security module, bluetooth mould
Block, power circuit, data terminal composition.Power circuit and single chip circuit, radio circuit, security module, the electricity of bluetooth module
Source is connected, and supplies power for；Single chip circuit SPI interface is connected with the SPI interface of radio circuit, controls radio circuit work,
Radio circuit sensing sends high frequency magnetic field, and in high frequency magnetic field induction zone, identity card internal circuit is activated, the high frequency of identity card
It is sent to the data-interface end of radio circuit according to ciphertext signal, radio circuit demodulates identity card numeral cipher-text information, will again
By spi bus interface, cipher-text information is sent on the spi bus interface of single chip circuit；The I of single chip circuit2C interface
I with security module2C interface is connected, and ciphertext signal is delivered to the security module being specified mandate by the Ministry of Public Security, inside security module
Integrated Algorithm, is decrypted to it, demodulates identity card numeral cleartext information；Outfan one tunnel of security module and USB interface
It is connected, identity card number cleartext information is exported USB interface, is ultimately delivered to the data terminal with USB interface；Another road and
Microcontroller serial port is connected, and identity card numeral cleartext information is exported single-chip microcomputer；Single-chip microcomputer connecting inner hardware, software resource and
Single DES algorithm carries out secondary encryption to it, forms ciphertext；The serial ports of single-chip microcomputer is connected with the data terminal of bluetooth module, will be secondary
The ID card information of encryption is sent to the data terminal of bluetooth module, and data is sent by bluetooth module；There is the data of blue tooth interface
Terminal receives the ID card information of secondary encryption, and data terminal APP software is decrypted to the ID card information of secondary encryption,
Finally give required identity card cleartext information.
Single chip circuit described in the utility model as shown in Figure 2, by singlechip chip U1, resistance R5, R6, R1, R4,
R9, electric capacity C8 form, and realize the transmission of identity card ciphertext data, forwardings, the reception of clear data, the secondary of clear data add
Function that is close and being sent to bluetooth module.Single-chip microcomputer selects the NANO102 of Xin Tang company, its embedded ARM10 kernel, has rich
Rich Peripheral Interface such as UART, SPI, I2C, I2S, GPIOs etc..The power end of U1 is connected on voltage VDD3V3 network；Voltage
VDD3V3 provides reset signal through resistance R9, electric capacity C6 to single-chip microcomputer；VBAT, after resistance R11, R4 partial pressure, is connected to single-chip microcomputer
AD sampling end, detect supply voltage；The spi bus of single-chip microcomputer are connected with radio-frequency line spi bus, receive identity card ciphertext number
According to；The I of single-chip microcomputer2C bus and the I of security module2C bus is connected, and sends identity card ciphertext data to security module；Single-chip microcomputer
Serial data bus be connected with the serial data bus of security module, receive security module deciphering identity card clear data；
The serial data bus of single-chip microcomputer are connected with the serial data bus of bluetooth module, and the data sending secondary encryption is to bluetooth mould
Block；The IO output of single-chip microcomputer is connected with buzzer drive circuit, drives buzzer sounding；IO with LED of single-chip microcomputer is connected, and drives
LED.
Bluetooth module described in the utility model as shown in Figure 3, by bluetooth module U3, diode (LED) 3, resistance R105,
R106 electric capacity C8 forms, and the transmission-receiving function realizing encryption data in bluetooth module is by bluetooth chipset U2, diode (LED) 3, resistance
R105, R106 electric capacity C8 forms, and realizes the transmission-receiving function in bluetooth module for the encryption data；Bluetooth module selects Chuan Jie company
BM77SPPS3MC2 module, B M77SPP is one and supports the double mode product of BR/EDR and BLE, BM77 can through this two
The pattern of kind and Remote Device reach the transmission of data.The agreement of BM77 simultaneously support SPP and MFi, can be directed to
The mobile device of different platform reaches the function of radio communication.The power end of U2 is connected on V_BT, and is connected to filter capacitor
C8；V_BT is connected to the display lamp port of U2, the working condition of display U2 by light emitting diode；Power vd D3V3 is through resistance
After R105, R106 partial pressure, it is connected in the Enable Pin of U2；The end that wakes up of U2 is connected on 1 output I/O port of single-chip microcomputer, receives
The wake-up signal that single-chip microcomputer is sent, bluetooth module works；The serial data input of U2 is connected to the serial data end of single-chip microcomputer
On, receive the instruction and data of single-chip microcomputer transmission；The reset terminal of U2 is connected on the I/O port of single-chip microcomputer, receives single-chip microcomputer transmission multiple
Position signal；The serial data input of U2 is connected on the serial data end of single-chip microcomputer, receives the instruction sum of single-chip microcomputer transmission
According to.
Radio circuit described in the utility model as shown in Figure 4, by radio frequency chip U8, RT network, antenna P5, crystal
Y1, diode D7, electric capacity C48, C42, C41, C47, C50, resistance R50, R52 composition, realize radiofrequency signal send, identity card close
The reception of civilian information, demodulation function.Radio frequency chip selects 3070 modules of Beijing Tongfang Microtronic A/S, and it is a
13.56Mhz non-contact read-write, built-in power amplifier, receiving demodulation circuit.The oscillator pin of U8 be connected to oscillator assembly Y1,
C47, C50, provide 13M concussion source clock for it；The resetting pin RST1 of U8 is connected on the I/O port of single-chip microcomputer, gives it by single-chip microcomputer
Reset signal is provided；The SPI interface of U8 is connected on the SPI interface of single-chip microcomputer single channel, after U8 receives the instruction of monolithic machine-read card, penetrates
Frequency circuit works, and the drive end of U8 is connected to the input of RT network, and the outfan of RT network is connected to P5 antenna, produces radio frequency
Magnetic field；Identity card, in radio-frequency (RF) magnetic field, obtains electric after induced signal, activate identity card internal circuit, identity card cryptogram information data
It is sent in radio frequency；After C48, D7, C42 assembly, a road is connected to the radiofrequency signal input of U8 through R52 to identity card radiofrequency signal
End, another road is connected on the radiofrequency signal reference edge of U8 through R50；U8 chip is demodulated to the radiofrequency signal receiving, and obtains
Identity card numeral cipher-text information, then this cipher-text information is sent on the SPI interface of single chip circuit by SPI interface.
Security module described in the utility model as shown in Figure 5, by security module P4, resistance R38, electric capacity C32, C27
Composition is it is achieved that identity card ciphertext data deciphering identity card plaintext exports the serial port work(of USB port, single-chip microcomputer
Energy.As core component, it is internally integrated the safety that the Ministry of Public Security specifies to the blue box that described security module is specified from the Ministry of Public Security
Decipherment algorithm.The data input pin of P4 passes through I2C bus is connected to the I of single-chip microcomputer2In C bus, receive single-chip microcomputer I2C bus passes
Come instruction, identity card encryption data, realize data deciphering inside P4, restore identity card clear data；After P4 deciphering
Clear data, a road is connected on the serial data port 0 of single-chip microcomputer through serial line interface, another road is connected directly to USB port；P4's
Power end is connected on VCC50 network, and is connected to filter capacitor C27；The resetting pin of P4 is connected to reset resistor and the electricity that resets
Hold.
Power circuit described in the utility model as shown in Figure 6, by adapter J2, charging chip U3, voltage stabilizing chip U4,
Boost chip U5, switching tube Q4, suppression diode TVS1, inductance LB4, adapter BT1, electric capacity C20, C23, C14, C15, CP2,
CP1, resistance R30 composition it is achieved that USB power source charge the battery and output voltage VDD3V3, VCC50 to single chip circuit, penetrate
Frequency circuit, bluetooth module circuit, the power end of security module circuit.Wherein, charging chip selects constant current constant voltage linear-charging IC
RT9505GQW3X3, has temperature detection, undervoltage lockout, automatically recharges function；Voltage stabilizing chip selects SGMC
（SGMICRO）Up-to-date release SGMD6011, its output-current rating is 2A；Boost chip selects AOZ1915, by 3v voltage increase
To 5v, it is connected to VCC50 network；The power end of J2 is connected to the input of U3 through inductance LB4, supplies power for；The state of U3
3 feet, 4 feet are held to be connected on the IO input port of single-chip microcomputer, the charged state of output battery；Outfan one tunnel of U3 is connected to connection
Device BT1 charges the battery, and another road is connected to the input of Q4；The Enable Pin of Q4 is connected to an output I/O port of single-chip microcomputer
On, by the break-make of Single-chip Controlling Q4；Outfan one tunnel of Q4 is connected to the input of U4, provides input voltage, the output of U4
End is connected to VDD3V3, exports 3.3V；The outfan of Q4 is separately connected to the input of U5, provides input voltage, the outfan of U5
It is connected to VCC50, export 5.0V.
Claims (6)
1. a kind of desk-top resident identification card reading machine it is characterised in that：Main by single chip circuit, radio circuit, security module,
Bluetooth module, power circuit, data terminal composition；Wherein,
Power circuit is connected with the power end of single chip circuit, radio circuit, security module, bluetooth module, supplies power for；Monolithic
Dynamo-electric road SPI interface is connected with the SPI interface of radio circuit, controls radio circuit work, and radio circuit sensing sends high frequency magnetic
, in high frequency magnetic field induction zone, identity card internal circuit is activated, identity card high-frequency data ciphertext signal is sent to be penetrated
The data-interface end of frequency circuit, radio circuit demodulates identity card numeral cipher-text information, will pass through spi bus interface again by ciphertext
Information transmission is on the spi bus interface of single chip circuit；The I of single chip circuit2C interface and the I of security module2C interface phase
Even, ciphertext signal is delivered to the security module being specified mandate by the Ministry of Public Security, security module is internally integrated algorithm, it is solved
Close, demodulate identity card numeral cleartext information；Outfan one tunnel of security module is connected with USB interface, by identity card number in plain text
Information output, to USB interface, is ultimately delivered on the computer of USB interface；Another road is connected with microcontroller serial port, by identity card number
Word cleartext information exports single-chip microcomputer；Single-chip microcomputer connecting inner hardware, software resource and single DES algorithm carry out secondary adding to it
Close, form ciphertext；The serial ports of single-chip microcomputer is connected with the data terminal of bluetooth module, and the ID card information of secondary encryption is sent to indigo plant
The data terminal of tooth module, data is sent by bluetooth module；The data terminal with blue tooth interface receives the identity of secondary encryption
Card information, data terminal APP software is decrypted to the ID card information of secondary encryption, finally gives required identity card in plain text
Information.
2. as claimed in claim 1 a kind of desk-top resident identification card reading machine it is characterised in that：
Single chip circuit is made up of singlechip chip U1, resistance R5, R6, R1, R4, R9, electric capacity C8, realizes identity card ciphertext data
Transmission, forwarding, the reception of clear data, the secondary encryption of clear data be sent to the function of bluetooth module；
The power end of U1 is connected on voltage VDD3V3 network；Voltage VDD3V3 provides multiple through resistance R9, electric capacity C6 to single-chip microcomputer
Position signal；VBAT, after resistance R11, R4 partial pressure, is connected to the AD sampling end of single-chip microcomputer, detects supply voltage；The SPI of single-chip microcomputer
Bus is connected with radio-frequency line spi bus, receives identity card ciphertext data；The I of single-chip microcomputer2C bus and the I of security module2C is total
Line is connected, and sends identity card ciphertext data to security module；The serial data bus of single-chip microcomputer and the serial data of security module
Bus is connected, and receives the identity card clear data of security module deciphering；The serial data bus of single-chip microcomputer and the string of bluetooth module
Row data/address bus is connected, and the data sending secondary encryption is to bluetooth module；The IO output of single-chip microcomputer and buzzer drive circuit phase
Even, drive buzzer sounding；IO with LED of single-chip microcomputer is connected, and drives LED.
3. as claimed in claim 1 a kind of desk-top resident identification card reading machine it is characterised in that：
Bluetooth module is made up of bluetooth chipset U2, diode (LED) 3, resistance R105, R106, electric capacity C8, realizes encryption data and exists
The transmission-receiving function of bluetooth module；The power end of U2 is connected on V_BT, and is connected to filter capacitor C8；V_BT passes through light-emitting diodes
Pipe is connected to the display lamp port of U2, the working condition of display U2；Power vd D3V3, after resistance R105, R106 partial pressure, connects
To in the Enable Pin of U2；The end that wakes up of U2 is connected on 1 output I/O port of single-chip microcomputer, receives the wake-up letter that single-chip microcomputer is sent
Number, bluetooth module works；The serial data input of U2 is connected on the serial data end of single-chip microcomputer, receives single-chip microcomputer transmission
Instruction and data；The reset terminal of U2 is connected on the I/O port of single-chip microcomputer, receives single-chip microcomputer transmission reset signal；The serial data of U2
Input is connected on the serial data end of single-chip microcomputer, receives the instruction and data of single-chip microcomputer transmission.
4. as claimed in claim 1 a kind of desk-top resident identification card reading machine it is characterised in that：
Radio circuit by radio frequency chip U8, RT network, antenna P5, crystal Y1, diode D7, electric capacity C48, C42, C41, C47,
C50, resistance R50, R52 composition, realize radiofrequency signal transmission, the reception of identity card high-frequency signal, demodulation function；The vibration of U8
Device pin is connected to oscillator assembly Y1, C47, C50, provides 13M concussion source clock for its radio circuit；The resetting pin RST1 of U8
It is connected on the I/O port of single-chip microcomputer, provide reset signal by single-chip microcomputer to it；The SPI interface of U8 is connected to single-chip microcomputer single channel
On SPI interface, after U8 receives the instruction of monolithic machine-read card, radio circuit works, and the drive end of U8 is connected to the input of RT network,
The outfan of RT network is connected to P5 antenna, produces radio-frequency (RF) magnetic field；Identity card, in radio-frequency (RF) magnetic field, obtains electric after induced signal, swash
Identity card internal circuit alive, identity card cryptogram information data is sent in radio frequency；Identity card radiofrequency signal is through C48, D7, C42 group
After part, a road is connected to the radio-frequency (RF) signal input end of U8 through R52, and another road is connected on the radiofrequency signal reference edge of U8 through R50；
U8 chip is demodulated to the radiofrequency signal receiving, and obtains identity card numeral cipher-text information, then this cipher-text information is connect by SPI
Oral instructions are delivered on the SPI interface of single chip circuit.
5. as claimed in claim 1 a kind of desk-top resident identification card reading machine it is characterised in that：
Security module be made up of safety chip P4, resistance R38, electric capacity C32, C27 it is achieved that identity card ciphertext data deciphering and
Identity card plaintext is exported the serial port function of USB port, single-chip microcomputer；The data input pin of P4 passes through I2C bus connects
I to single-chip microcomputer2In C bus, receive single-chip microcomputer I2Instruction that C bus transmits, identity card encryption data, realize number inside P4
According to deciphering, restore identity card clear data；Clear data after P4 deciphering, a road is connected to the string of single-chip microcomputer through serial line interface
On row FPDP 0, another road be connected directly to USB port；The power end of P4 is connected on VCC50 network, and is connected to filtered electrical
Hold C27；The resetting pin of P4 is connected to reset resistor and reset capacitance.
6. as claimed in claim 1 a kind of desk-top resident identification card reading machine it is characterised in that：
Power circuit is by adapter J2, charging chip U3, voltage stabilizing chip U4, boost chip U5, switching tube Q4, suppression diode
TVS1, inductance LB4, adapter BT1, electric capacity C20, C23, C14, C15, CP2, CP1, resistance R30 composition are it is achieved that USB power source
Charge the battery and output voltage VDD3V3, VCC50 are to single chip circuit, radio circuit, bluetooth module circuit, security module
The power end of circuit；The power end of J2 is connected to the input of U3 through inductance LB4, supplies power for；State end 3 foot of U3,4 feet
It is connected on the IO input port of single-chip microcomputer, the charging status information of output battery；Outfan one tunnel of U3 is connected to adapter BT1
Charge the battery, another road is connected to the input of Q4；The Enable Pin of Q4 is connected on an output I/O port of single-chip microcomputer, by list
Piece machine controls the break-make of Q4；Outfan one tunnel of Q4 is connected to the input of U4, provides input voltage, and the outfan of U4 is connected to
VDD3V3, exports 3.3V；The outfan of Q4 is separately connected to the input of U5, provides input voltage, and the outfan of U5 is connected to
VCC50, exports 5.0V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620684827.3U CN205983486U (en) | 2016-07-04 | 2016-07-04 | Desk -top resident identification card reader |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620684827.3U CN205983486U (en) | 2016-07-04 | 2016-07-04 | Desk -top resident identification card reader |
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| CN205983486U true CN205983486U (en) | 2017-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106203211A (en) * | 2016-07-04 | 2016-12-07 | 长春鸿达光电子与生物统计识别技术有限公司 | A kind of Chinese residents ID card information acquisition methods and equipment |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106203211A (en) * | 2016-07-04 | 2016-12-07 | 长春鸿达光电子与生物统计识别技术有限公司 | A kind of Chinese residents ID card information acquisition methods and equipment |
| CN106203211B (en) * | 2016-07-04 | 2020-01-03 | 长春鸿达光电子与生物统计识别技术有限公司 | Method and equipment for acquiring identity card information of Chinese residents |
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