CN102306268B - Keyboard circuit of police identification instrument based on 3G (third generation) network - Google Patents
Keyboard circuit of police identification instrument based on 3G (third generation) network Download PDFInfo
- Publication number
- CN102306268B CN102306268B CN2011102328055A CN201110232805A CN102306268B CN 102306268 B CN102306268 B CN 102306268B CN 2011102328055 A CN2011102328055 A CN 2011102328055A CN 201110232805 A CN201110232805 A CN 201110232805A CN 102306268 B CN102306268 B CN 102306268B
- Authority
- CN
- China
- Prior art keywords
- circuit
- interface
- keyboard
- connector
- communication module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a keyboard circuit of a police identification instrument based on 3G (third generation) network. The keyboard circuit consists of a keyboard lightening LED (Light Emitting Diode) circuit, a keyboard main board interface circuit, a button circuit, a 3G communication module circuit, an SIM (Subscriber Identity Module) card circuit, a 3G antenna interface circuit and an MIC (Microphone) circuit, wherein the keyboard main board interface circuit is respectively connected with the keyboard lightening LED circuit, the button circuit, the 3G communication module circuit and the MIC circuit; the SIM card circuit is connected with the 3G communication module circuit; and the 3G antenna interface circuit is connected with the 3G communication module circuit. According to the keyboard circuit in the invention, the problem that a handheld identification instrument is not provided with buttons and has a slow data transmission speed generally is solved, and the keyboard circuit of the police handheld identification instrument based on the 3G network is provided; and in addition, the communication of a 3G module and a main board is realized in a serial port manner, thus the communication efficiency of the 3G module and the main board is guaranteed.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of police identity recognition instrument finger-board circuit based on 3G network.
Background technology
I.D. (comprising a generation resident identification card, second-generation resident identification card) is the important documents that records individual essential information.First generation I.D. belongs to traditional looking and reads certificate, can only read checking with intuitively looking, and is difficult to the judgement certificate true and false, second generation identity card has adopted the non-contact IC card technique, have machine-readable and look and read two kinds of functions, can realize the interchange of personally identifiable information, the safety verification of identity information.
When handling most of business, the unit places such as bank, security, customs, the industrial and commercial tax, civil aviation all need to hold identity document.Nowadays, the offender often uses false I.D. certificate to carry out economic crime, in order to ensure normally carrying out of economic activity, safeguards social safety, disposes the China second-generation identity card identifier in public security system.
Existing police hand-held China second-generation identity card identifier adopts full touch manner usually, is not with button, easily causes maloperation during the input numeral, uses inconvenience in specific occasion.When carrying out data transmission, generally adopt the GSM network, transmission speed is slow.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of police identity recognition instrument finger-board circuit based on the 3G wireless network is provided.
For achieving the above object, circuit of the present invention consists of following part: the keyboard illumination LED circuit, keyboard mainboard interface circuit, key circuit, 3G communication module circuit, the SIM card circuit, the 3G antenna interface circuit, the MIC circuit, keyboard mainboard interface circuit respectively with the keyboard illumination LED circuit, key circuit, 3G communication module circuit, the MIC circuit is connected, the SIM card circuit is connected with 3G communication module circuit, the 3G antenna interface circuit is connected with 3G communication module circuit, described 3G antenna interface circuit (6) comprises connector J3, connector J7, RF antenna connector J4, described connector J3 is connected with the IN pin of described connector J7, also comprise an inductance L 4, one end of described inductance L 4 is connected on the connecting line of described connector J3 and described connector J7, other end ground connection, the OUT pin of described connector J7 is connected with the pin two of described RF antenna connector J4 through capacitor C 5, the pin one ground connection of described RF antenna connector J4, also comprise an inductance L 1, one end of described inductance L 1 is connected on the connecting line of described connector J7 and described capacitor C 5, other end ground connection, also comprise an inductance L 2, one end of described inductance L 2 is connected on the connecting line of described capacitor C 5 and described FR antenna connector J4, other end ground connection.
3G communication module circuit and mainboard carry out communication by serial mode.
The keyboard illumination LED circuit comprises: 10 LED lamp D1 ~ D10, the parallel connection of 1,10 LED lamp of resistance R, and an end is connected with R1, and the other end is connected with the VBAT signal, and resistance R 1 other end is connected with control signal DR1.
Keyboard mainboard interface circuit comprises: containing connector J1, connector J1 comprises finger-board input interface KYPD_IN0 ~ KYPD_IN4, finger-board output interface KYPD_OUT0, KYPD_OUT2 ~ KYPD_OUT4, serial interface UART1_RXD, UART1_TXD, Mike's output interface EXT_MIC_P, EXT_MIC_N, difference is walked line interface LINEIN2_P, LINEIN2_N, LINEOUT_P, LINEOUT_N, USB interface USB1_D+, USB1_D-.
Key circuit comprises: 19 young sheet SW1 ~ SW19 of pot, 9 ESD protective devices, and the young sheet of described pot adopts the mode of four lines five row to connect, and an end is connected with protective device as the input of keyboard, and the other end is connected with protective device as the output of keyboard.
3G communication module circuit comprises: 3G module U1, U1 comprises 4 line serial ports UART1_RTS_N, UART1_CTS_N, UART1_TXD, UART1_RXD, the SIM card interface, differential interface LINEOUT_N, LINEOUT_P, LINEIN2_P, LINEIN2_N, USB interface USB1_D+, USB1_D-, starting-up signal interface POWON, GPIO control signal interface.
The SIM card circuit comprises: SIM card chip J2, SIM card chip J2 comprises interface clock signal CCCLK, reset signal input interface CCRST, power supply interface CCVCC, data line interface CCIO is, earth signal interface GND, SIM card chip J2 is connected with 3G communication module circuit by interface clock signal CCCLK, reset signal input interface CCRST, power supply interface CCVCC, data line interface CCIO.
The invention solves hand-held identity recognition instrument usually not with button and the slow problem of data rate, a kind of finger-board circuit of the police hand-held identity recognition instrument based on 3G network is provided, the communication of 3G module and mainboard realizes by serial mode, guaranteed the communication efficiency of module and mainboard, use 25 ' 2 ' 1.27 mm connectors simultaneously, well realized the docking of finger-board and mainboard, reduced complete machine thickness, reduced machine volume, more convenient to carry.
The accompanying drawing explanation
Fig. 1 is hardware architecture figure of the present invention;
Fig. 2 is keyboard illumination LED circuit of the present invention;
Fig. 3 is keyboard mainboard interface circuit of the present invention;
Fig. 4 is key circuit of the present invention;
Fig. 5 is 3G communication module circuit of the present invention;
Fig. 6 is SIM card circuit of the present invention;
Fig. 7 is 3G antenna interface circuit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
According to circuit shown in Fig. 1, a kind of police identity recognition instrument finger-board circuit based on 3G network, comprise: keyboard illumination LED circuit 1, keyboard mainboard interface circuit 2, key circuit 3,3G communication module circuit 4, SIM card circuit 5,3G antenna interface circuit 6, MIC circuit 7, keyboard mainboard interface circuit 2 is connected with keyboard illumination LED circuit 1, key circuit 3,3G communication module circuit 4, MIC circuit 5 respectively, SIM card circuit 5 is connected with 3G communication module circuit 4, and 3G antenna interface circuit 6 is connected with 3G communication module circuit 4.
According to circuit shown in Fig. 2, when touch screen action or keyboard action are arranged, CPU sends a signal, and control signal " DR1 " becomes low level, diode current flow, luminous, and keyboard is lit.
According to circuit shown in Fig. 3, complete docking of mainboard and keyboard by plug connector, data can be transmitted between keyboard and microprocessor.Use connector greatly to save the space of structural design, also avoided FPC connector to hold flimsy defect, for system, work long-term effectively assurance is provided simultaneously.
According to circuit shown in Fig. 4, this keyboard structure adopts the matrix-style of four lines five row to arrange and forms, on the young sheet of pot, button is set, during phone work disposal keypad information, microprocessor first carries out line scanning to keyboard, then carries out column scan, according to the row, column information scanned, confirms key position.Obtain user profile by keyboard, supply with microprocessor, make its normal operation, thereby reach interactive purpose.
According to circuit shown in Fig. 5,3G module U1 is based on the 3G wireless communication module of EVD0 Rev.A standard, be applicable to CDMA 1X and EVD0 network, support CDMA 800M frequency range, 3G module U1 adopts the serial ports pattern with communicating by letter of CPU, in order to reach the purpose of compatible other modules, this interface has also been reserved communication module USB pattern commonly used.After system powers on, thereby opening and turn-offing of 3G module U1 controlled in opening and turn-offing of the GPIO_0_1 signal controlling triode Q1 that host CPU sends.After module is opened, realize the purpose of radio communication by the data transmission of UART1_TX, UART1_RX.
According to circuit shown in Fig. 6, CCCLK is the SIM card clock signal terminal, CCRST is SIM card reset signal input end, CCVCC is the SIM card power supply end, CCIO is the SIM card data line terminal, and GND is the SIM card earth terminal, and SIM card is completed to assembling according to circuit, between microprocessor and SIM card by the mode swap data of serial, thereby reach between SIM card and microprocessor the purpose of swap data swimmingly.
According to circuit shown in Fig. 7, the 3G module antenna adopts the connector of HRS to be connected with antenna, has guaranteed maximum communication performance.The effect of inductance L 4 is to reduce the interference of extraneous wireless signal for antenna, also plays the ESD protective action for 3G module U1 simultaneously.MIC is connected with mainboard by differential lines.The RF signal is connected with J3 by the cable line.
When carrying out voice transfer, the analog voice signal that MIC1 will pick up is transferred to CPU and carries out analog to digital conversion by MB and KB connector, then the frequency conversion by 3G module U1 inside and amplify after become the RF signal.The path of RF signal by J7 and C5 arrives RF antenna connector J4, and by the 3G antenna, this signal sent to base station and carry out information interaction.
When carrying out the speech data reception, the signal that the external antenna of J4 sends the telecomm base station received, then being transferred to 3G module U1 by the RF loop carries out being transferred to host CPU after a series of conversions such as frequency conversion, amplification, CPU directly is transferred to receiver by voice after processing, and data are shown by lcd screen.
Claims (2)
1. the police identity recognition instrument finger-board circuit based on 3G network, comprise: keyboard illumination LED circuit (1), keyboard mainboard interface circuit (2), key circuit (3), 3G communication module circuit (4), SIM card circuit (5), 3G antenna interface circuit (6), MIC circuit (7), it is characterized in that described keyboard mainboard interface circuit (2) respectively with keyboard illumination LED circuit (1), key circuit (3), 3G communication module circuit (4), MIC circuit (5) is connected, SIM card circuit (5) is connected with 3G communication module circuit (4), 3G antenna interface circuit (6) is connected with 3G communication module circuit (4), described 3G antenna interface circuit (6) comprises connector J3, connector J7, RF antenna connector J4, described connector J3 is connected with the IN pin of described connector J7, also comprise an inductance L 4, one end of described inductance L 4 is connected on the connecting line of described connector J3 and described connector J7, other end ground connection, the OUT pin of described connector J7 is connected with the pin two of described RF antenna connector J4 through capacitor C 5, the pin one ground connection of described RF antenna connector J4, also comprise an inductance L 1, one end of described inductance L 1 is connected on the connecting line of described connector J7 and described capacitor C 5, other end ground connection, also comprise an inductance L 2, one end of described inductance L 2 is connected on the connecting line of described capacitor C 5 and described FR antenna connector J4, other end ground connection.
2. the police identity recognition instrument finger-board circuit based on 3G network according to claim 1, is characterized in that, described 3G communication module circuit (4) passes through the serial mode communication with mainboard.
3. the police identity recognition instrument finger-board circuit based on 3G network according to claim 1, it is characterized in that, described keyboard illumination LED circuit (1) comprises: 10 LED lamp D1 ~ D10, resistance R 1, the parallel connection of 10 LED lamps, one end is connected with R1, the other end is connected with the VBAT signal, and resistance R 1 other end is connected with control signal DR1.
4. the police identity recognition instrument finger-board circuit based on 3G network according to claim 1, it is characterized in that, described keyboard mainboard interface circuit (2) comprises: containing connector J1, connector J1 comprises finger-board input interface KYPD_IN0 ~ KYPD_IN4, finger-board output interface KYPD_OUT0, KYPD_OUT2 ~ KYPD_OUT4, serial interface UART1_RXD, UART1_TXD, Mike's output interface EXT_MIC_P, EXT_MIC_N, difference is walked line interface LINEIN2_P, LINEIN2_N, LINEOUT_P, LINEOUT_N, USB interface USB1_D+, USB1_D-.
5. the police identity recognition instrument finger-board circuit based on 3G network according to claim 1, it is characterized in that, described key circuit (3) comprises: 19 young sheet SW1 ~ SW19 of pot, 9 ESD protective devices, the young sheet of described pot adopts the mode of four lines five row to connect, one end is connected with protective device as the input of keyboard, and the other end is connected with protective device as the output of keyboard.
6. the police identity recognition instrument finger-board circuit based on 3G network according to claim 1, it is characterized in that, described 3G communication module circuit (4) comprises: 3G module U1, U1 comprises 4 line serial ports UART1_RTS_N, UART1_CTS_N, UART1_TXD, UART1_RXD, the SIM card interface, differential interface LINEOUT_N, LINEOUT_P, LINEIN2_P, LINEIN2_N, USB interface USB1_D+, USB1_D-, starting-up signal interface POWON, GPIO control signal interface.
7. the police identity recognition instrument finger-board circuit based on 3G network according to claim 1, it is characterized in that, described SIM card circuit (5) comprises: SIM card chip J2, SIM card chip J2 comprises interface clock signal CCCLK, reset signal input interface CCRST, power supply interface CCVCC, data line interface CCIO, earth signal interface GND, SIM card chip J2 is connected with 3G communication module circuit (4) by interface clock signal CCCLK, reset signal input interface CCRST, power supply interface CCVCC, data line interface CCIO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102328055A CN102306268B (en) | 2011-08-15 | 2011-08-15 | Keyboard circuit of police identification instrument based on 3G (third generation) network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102328055A CN102306268B (en) | 2011-08-15 | 2011-08-15 | Keyboard circuit of police identification instrument based on 3G (third generation) network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102306268A CN102306268A (en) | 2012-01-04 |
| CN102306268B true CN102306268B (en) | 2013-12-11 |
Family
ID=45380128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102328055A Expired - Fee Related CN102306268B (en) | 2011-08-15 | 2011-08-15 | Keyboard circuit of police identification instrument based on 3G (third generation) network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102306268B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2879280Y (en) * | 2005-12-02 | 2007-03-14 | 深圳鼎识科技有限公司 | Police-used portable equipment |
| CN201491044U (en) * | 2009-04-09 | 2010-05-26 | 宁波明讯电子科技有限公司 | Multifunctional GSM system mobile phone motherboard |
| CN201514632U (en) * | 2009-09-28 | 2010-06-23 | 山西省公安厅信息中心 | Portable multifunctional multi-channel acquisition identity identification device based on 3G network |
| CN101841543A (en) * | 2010-05-10 | 2010-09-22 | 秦野 | Intelligent verification system of second-generation resident identification card |
| CN201681399U (en) * | 2009-11-06 | 2010-12-22 | 上海亚卡商贸有限公司 | Second-generation ID card reader based on mobile terminal |
| CN102130987A (en) * | 2010-01-12 | 2011-07-20 | 上海晨兴希姆通电子科技有限公司 | Method for recognizing China second-generation identity card on police mobile phone |
-
2011
- 2011-08-15 CN CN2011102328055A patent/CN102306268B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2879280Y (en) * | 2005-12-02 | 2007-03-14 | 深圳鼎识科技有限公司 | Police-used portable equipment |
| CN201491044U (en) * | 2009-04-09 | 2010-05-26 | 宁波明讯电子科技有限公司 | Multifunctional GSM system mobile phone motherboard |
| CN201514632U (en) * | 2009-09-28 | 2010-06-23 | 山西省公安厅信息中心 | Portable multifunctional multi-channel acquisition identity identification device based on 3G network |
| CN201681399U (en) * | 2009-11-06 | 2010-12-22 | 上海亚卡商贸有限公司 | Second-generation ID card reader based on mobile terminal |
| CN102130987A (en) * | 2010-01-12 | 2011-07-20 | 上海晨兴希姆通电子科技有限公司 | Method for recognizing China second-generation identity card on police mobile phone |
| CN101841543A (en) * | 2010-05-10 | 2010-09-22 | 秦野 | Intelligent verification system of second-generation resident identification card |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102306268A (en) | 2012-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202167034U (en) | Peripheral application device and mobile terminal system | |
| CN102289257A (en) | Main board interface circuit of police identity recognizer | |
| CN101908157A (en) | NFC-SIM (Near Field Communication-Subscriber Identity Module) chip | |
| CN203301561U (en) | Cellphone shell with functions of fingerprint identification and NFC | |
| CN204631854U (en) | A kind of USB turns VGA converter | |
| CN102306268B (en) | Keyboard circuit of police identification instrument based on 3G (third generation) network | |
| CN202711386U (en) | NFC handset payment system | |
| CN202351915U (en) | Mobile payment SD (Secure Digital) card based on SWP (Single Wire Protocol) | |
| CN207425030U (en) | Support the intelligent POS dedicated mainboards of Width funtion input and interface extensible | |
| CN103065117B (en) | A kind of bluetooth scanner | |
| CN1266970C (en) | Mobile communication terminal and its radio communication module | |
| CN208673355U (en) | A kind of fingerprint acquisition device | |
| CN2554687Y (en) | Protection cover for electronic device having extended function | |
| CN202735961U (en) | Mobile keyboard | |
| CN102289295B (en) | Keyboard circuit based on global system for mobile communication (GSM) network for police identity identifier | |
| CN206863785U (en) | One kind miniaturization hyperfrequency read/write circuit module | |
| CN204795236U (en) | Wireless calling system of fingerprint identification | |
| CN201374039Y (en) | Multifunctional mouse | |
| CN201532737U (en) | Display device with Bluetooth function | |
| CN101187970A (en) | Adapter for 2-G identity card reader | |
| CN204288235U (en) | Morning examines device | |
| CN2485888Y (en) | Infrared touch-controlled handwritten board | |
| CN202815977U (en) | Multi-functional electronic gate card identifying device | |
| CN203261388U (en) | Infrared-based wireless payment cellphone | |
| CN202110555U (en) | Reading and verifying all-in-one machine for second-generation identification cards |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201203 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 498 Building 1 room 1302-A Applicant after: Shanghai Xinhongwei Information Technology Co.,Ltd. Address before: 201203 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 498 Building 1 room 1302-A Applicant before: Shanghai Magniwill Information Technology Co.,Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: XINHONGWEI INFORMATION TECHNOLOGY CO., LTD., SHANGHAI TO: SHANGHAI XINHONGWEI INFORMATION TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |