CN103136577A - Directional remote active electronic tag and reader thereof - Google Patents
Directional remote active electronic tag and reader thereof Download PDFInfo
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- CN103136577A CN103136577A CN2013100946061A CN201310094606A CN103136577A CN 103136577 A CN103136577 A CN 103136577A CN 2013100946061 A CN2013100946061 A CN 2013100946061A CN 201310094606 A CN201310094606 A CN 201310094606A CN 103136577 A CN103136577 A CN 103136577A
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Abstract
The invention provides a directional remote active electronic tag and a reader thereof, and belongs to the field of radio frequency identification. Therefore, the problems that an existing remote active electronic tag is high in cost, low in reliability, and poor in safety are solved. According to the directional remote active electronic tag, an output end of an infrared receiving circuit is connected with an input end of an electronic tag main control chip, and an encoded data output end of the electronic tag main control chip is connected with an encoded data input end of an acoustic surface wave oscillating circuit. An output end of the acoustic surface wave oscillating circuit is connected with an electronic tag radio frequency antenna. According to the reader of the directional remote active electronic tag, an input end of a wireless (open-off keying) OOK receiving circuit is connected with a reader radio frequency antenna, and an output end of the wireless OOK receiving circuit is connected with an input end of a reader main control chip. A first data output end of the reader main control chip is connected with an input end of a level converting circuit, and a second data input end of the reader main control chip is connected with an infrared radio transmission circuit.
Description
Technical field
The present invention relates to directed distant range active electronic tag and reader thereof, belong to field of radio frequency identification.
Background technology
Radio-frequency (RF) identification (RFID) technology is a kind of contactless automatic identification technology, and its application is more and more extensive.The far Distance RFID technology is applied in the public transit vehicle operation monitoring, and can improve enterprise management and efficiency of operation significantly in the aspects such as parking lot, refuelling station's intelligent management, fleet management of unit, produce good economic benefit and social benefit.At present, long-distance electronic tag mainly with read-only be main, the rear user of dispatching from the factory only can utilize the identification information of storage in the reader reading tag, can not revise or increase storage information according to the application demand of system.Although the storage area of some long-distance electronic tag can be read and write, as the bluetooth card based on Bluetooth technology, affected its application but cost is higher.Reading apart from far away not of some long-distance electronic tags can not be satisfied the requirement of application system.In addition, the security of many long-distance electronic tags is relatively poor, is very easy to be replicated, and the normal operation to system during use brings hidden trouble.
Summary of the invention
The present invention seeks to have in order to solve existing long-distance electronic tag that cost is high, reliability is low, the problem of poor stability, a kind of directed distant range active electronic tag and reader thereof are provided.
Directed distant range active electronic tag of the present invention, it comprises electronic tag main control chip, infrared radiation receiving circuit, surface acoustic wave oscillatory circuit, electronic tag power circuit and electronic label radio frequency antenna,
The electronic tag main control chip receives the encrypted instruction information of reader directive sending by infrared radiation receiving circuit, the electronic tag main control chip decrypts command adapted thereto information;
When described command information was the reading out data instruction, the electronic tag main control chip was launched enciphered data by surface acoustic wave oscillatory circuit and electronic label radio frequency antenna;
When writing data command, the electronic tag main control chip stores in the storage unit of chip internal after with the encrypted instruction deciphering when described command information,
The electronic tag power circuit provides power supply for electronic tag main control chip, infrared radiation receiving circuit and surface acoustic wave oscillatory circuit.
The reader of directed distant range active electronic tag of the present invention, it comprises reader main control chip, reader radio-frequency antenna, wireless OOK receiving circuit, level shifting circuit, infrared transmitter and reader power circuit,
Wireless OOK receiving circuit receives enciphered data and demodulation by the reader radio-frequency antenna, the demodulating data of wireless OOK receiving circuit is exported to the reader main control chip, the reader main control chip is cleartext information with described demodulating data deciphering, and the reader main control chip sends to PC or other main control chips with described cleartext information by level shifting circuit;
The reader main control chip by infrared transmitter to active electronic label directive sending encrypted instruction information;
The reader power circuit provides power supply for reader main control chip, wireless OOK receiving circuit, level shifting circuit and infrared transmitter.
Advantage of the present invention:
(1) adopt symmetric key encryption algorithm and rolling coding technology, the reliability and the security that improve Wireless Data Transmission;
(2) software-hardware synergism low power dissipation design, the service time of increase electronic tag;
(3) the active electronic label volume is little, read-write, cost is low, and reading/writing distance is far away, reaches 15m, is easy to large-scale promotion and uses;
(4) electronic tag has the read-write directivity, and reader can only be read and write the electronic tag of certain direction;
(5) reader interfaces of active electronic label is abundant, is easy to the system integration.
With distant range active electronic tag of the present invention and reader application thereof in the parking lot, refuelling station's intelligent management, the aspects such as fleet management of unit, can improve enterprise management significantly and efficiency of operation, produce good economic benefit and social benefit.
Description of drawings
Fig. 1 is directed distant range active Electronic Tag Structure schematic diagram of the present invention;
Fig. 2 is the reader structural representation of directed distant range active electronic tag.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the described directed distant range active electronic tag of present embodiment, it comprises electronic tag main control chip 1, infrared radiation receiving circuit 2, surface acoustic wave oscillatory circuit 3, electronic tag power circuit 4 and electronic label radio frequency antenna 5
Electronic tag main control chip 1 receives the encrypted instruction information of reader directive sending by infrared radiation receiving circuit 2, electronic tag main control chip 1 decrypts command adapted thereto information;
When described command information was the reading out data instruction, electronic tag main control chip 1 was launched enciphered data by surface acoustic wave oscillatory circuit 3 and electronic label radio frequency antenna 5;
When writing data command, electronic tag main control chip 1 stores in the storage unit of chip internal after with the encrypted instruction deciphering when described command information,
Electronic tag power circuit 4 provides power supply for electronic tag main control chip 1, infrared radiation receiving circuit 2 and surface acoustic wave oscillatory circuit 3.
Electronic tag power circuit 4 can adopt button cell, provides reliable power supply for active electronic label after the voltage adjustment.
Electronic tag main control chip 1 adopts the STC15L100 family chip.
Infrared radiation receiving circuit 2 is made of two infrared receiving terminals.And two infrared receiving terminals are positioned at the adjacent position of the same side of active electronic label.
Surface acoustic wave oscillatory circuit 3 frequencies are 315MHz or 433MHz.
Electronic label radio frequency antenna 5 adopts pcb board to carry radio-frequency antenna.
During work, the infrared receiving circuit 2 of active electronic label is facing to the infrared emitting direction of reader.Infrared receiving circuit 2 mainly is made of two infrared receiving terminals, each infrared receiving terminal is responsible for infrared signal in the certain angle scope and is received (receiving angle of each infrared receiving terminal＜45 °, the infrared receiving angle of targeted electronic label after combination＜80 °); The input pin to electronic tag main control chip 1 that the signal output part of infrared receiving terminal connects;
SAW (Surface Acoustic Wave) resonator 3(resonance frequency 433MHz or 315MHz) form the OOK modulation oscillator circuit by components and parts such as triode, resistance, electric capacity, inductance, the control end of oscillatory circuit is connected to the output pin of electronic tag main control chip 1; The output terminal of surface acoustic wave oscillatory circuit 3 connects a pcb board and carries radio-frequency antenna.Electronic tag main control chip 1 is the STC15L100 series monolithic of low-power consumption, low-voltage, and each microprocessor internal has global unique identifier, Embedded FLASH, eeprom memory.The eeprom memory of electronic tag main control chip 1 inside is mainly used in the information such as identification code, card issuer, cardholder information and encryption key of store electrons label, and reader can be revised data in EEPROM by the infrared-ray communication mode.It is each functional circuit power supply in active electronic label that electronic tag power circuit 4 is selected the 3.3V button cell.
Embodiment two: present embodiment is described below in conjunction with Fig. 2, the reader of the described directed distant range active electronic tag of present embodiment, it comprises reader main control chip 6, reader radio-frequency antenna 7, wireless OOK receiving circuit 8, level shifting circuit 9, infrared transmitter 10 and reader power circuit 11
Wireless OOK receiving circuit 8 receives enciphered data and demodulation by reader radio-frequency antenna 7, the demodulating data of wireless OOK receiving circuit 8 is exported to reader main control chip 6, reader main control chip 6 is cleartext information with described demodulating data deciphering, and reader main control chip 6 sends to PC or other main control chips with described cleartext information by level shifting circuit 9;
Reader main control chip 6 passes through infrared transmitter 10 to active electronic label directive sending encrypted instruction information;
Reader main control chip 6 adopts the STC15L100 family chip.
Reader radio-frequency antenna 7 adopts pcb board to carry radio-frequency antenna.
It is acp chip that wireless OOK receiving circuit 8 adopts SYN480R superhet wireless receiving chip.
The output interface of described reader has the modes such as TTL, RS232, RS422 and RS485, and wherein the TTL interface is supported Wiegand (Wei root) agreement.
During work, the infrared receiving circuit 2 of electronic tag is facing to the infrared emitting direction of reader.Infrared transmitter 10 is made of infrarede emitting diode and driving triode, the output pin to reader main control chip 6 that the control end of infrared transmitting circuit 10 connects;
The components and parts such as superhet wireless receiving chip, resistance, electric capacity, inductance form wireless OOK receiving circuit 8, and superhet wireless receiving chip is SYN480R.The output terminal of wireless OOK receiving circuit 8 is received the input pin of reader main control chip 6; Reader radio-frequency antenna 7 is connected to the input end of wireless OOK receiving circuit 8.Reader main control chip 6 is the STC15L100 series monolithic of low-power consumption, low-voltage.External 3.3V direct supply is each functional circuit power supply in reader.
If do not receive the infrared signal that reader sends, electronic tag main control chip 1 is in power-down mode, and active electronic label is in low power consumpting state.When reader passes through infrared transmitting circuit 10 to active electronic label directional transmissions operational order, after detecting infrared signal, the electronic tag main control chip 1 of active electronic label returns to normal mode, begin to receive the encryption message of infrared receiving circuit 10 inputs, then carry out corresponding operation according to the difference of order.The infrared ray of launching due to reader has certain directivity, so the read-write of active electronic label is directive.What receive when active electronic label is the reading out data order, and electronic tag main control chip 1 utilizes the encryption key of this electronic tag that the information encryption in storer is ciphertext, then utilizes surface acoustic wave oscillatory circuit 3 to carry out wireless sending after the OOK modulation.After the wireless OOK receiving circuit 8 of reader demodulates the ciphertext of active electronic label transmission, reader main control chip 6 obtains cleartext information after utilizing the secret key decryption of active electronic label, and send to PC or other main control chips by level shifting circuit 9, wherein, the TTL output interface is supported Wiegand (Wei root) agreement; If what electronic tag was received is to write data command, store in memory cell after by the encryption key of this active electronic label, the cipher-text information of receiving being deciphered.If active electronic label does not receive infrared signal within a certain period of time, electronic tag main control chip 1 transfers power-down mode to, and active electronic label enters low power consumpting state.
Claims (9)
1. directed distant range active electronic tag, is characterized in that, it comprises electronic tag main control chip (1), infrared radiation receiving circuit (2), surface acoustic wave oscillatory circuit (3), electronic tag power circuit (4) and electronic label radio frequency antenna (5),
Electronic tag main control chip (1) receives the encrypted instruction information of reader directive sending by infrared radiation receiving circuit (2), electronic tag main control chip (1) decrypts command adapted thereto information;
When described command information was the reading out data instruction, electronic tag main control chip (1) was launched enciphered data by surface acoustic wave oscillatory circuit (3) and electronic label radio frequency antenna (5);
When writing data command, electronic tag main control chip (1) stores in the storage unit of chip internal after with the encrypted instruction deciphering when described command information,
Electronic tag power circuit (4) is that electronic tag main control chip (1), infrared radiation receiving circuit (2) and surface acoustic wave oscillatory circuit (3) provide power supply.
2. directed distant range active electronic tag according to claim 1, is characterized in that, electronic tag main control chip (1) adopts the STC15L100 family chip.
3. directed distant range active electronic tag according to claim 1, is characterized in that, infrared radiation receiving circuit (2) is made of two infrared receiving terminals.
4. directed distant range active electronic tag according to claim 1, is characterized in that, surface acoustic wave oscillatory circuit (3) frequency is 315MHz or 433MHz.
5. directed distant range active electronic tag according to claim 1, is characterized in that, electronic label radio frequency antenna (5) adopts pcb board to carry radio-frequency antenna.
6. the reader of directed distant range active electronic tag, it is characterized in that, it comprises reader main control chip (6), reader radio-frequency antenna (7), wireless OOK receiving circuit (8), level shifting circuit (9), infrared transmitter (10) and reader power circuit (11)
Wireless OOK receiving circuit (8) receives enciphered data and demodulation by reader radio-frequency antenna (7), the demodulating data of wireless OOK receiving circuit (8) is exported to reader main control chip (6), reader main control chip (6) is cleartext information with described demodulating data deciphering, and reader main control chip (6) sends to PC or other main control chips with described cleartext information by level shifting circuit (9);
Reader main control chip (6) passes through infrared transmitter (10) to active electronic label directive sending encrypted instruction information;
Reader power circuit (11) is that reader main control chip (6), wireless OOK receiving circuit (8), level shifting circuit (9) and infrared transmitter (10) provide power supply.
7. directed distant range active electronic label reader according to claim 6, is characterized in that, reader main control chip (6) adopts the STC15L100 family chip.
8. directed distant range active electronic label reader according to claim 6, is characterized in that, reader radio-frequency antenna (7) adopts pcb board to carry radio-frequency antenna.
9. directed distant range active electronic label reader according to claim 6, is characterized in that, it is acp chip that wireless OOK receiving circuit (8) adopts SYN480R superhet wireless receiving chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100946061A CN103136577A (en) | 2013-03-22 | 2013-03-22 | Directional remote active electronic tag and reader thereof |
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| CN2013100946061A CN103136577A (en) | 2013-03-22 | 2013-03-22 | Directional remote active electronic tag and reader thereof |
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| CN2013100946061A Pending CN103136577A (en) | 2013-03-22 | 2013-03-22 | Directional remote active electronic tag and reader thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103955737A (en) * | 2014-04-30 | 2014-07-30 | 广西电网公司电力科学研究院 | Power transformation equipment radio frequency identification electronic tag with self power supply optical mark function |
| CN112581721A (en) * | 2020-12-23 | 2021-03-30 | 山泰国际(香港)有限公司 | Human body social distance alarm |
| CN113902078A (en) * | 2021-11-04 | 2022-01-07 | 厦门忻德物联网科技有限公司 | Long-distance ID (identity) identification method and system suitable for being within 1500 meters |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1494032A (en) * | 2003-07-10 | 2004-05-05 | 邱广华 | Method of rapidly obtaining object information using network technology |
| CN101051356A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Novel active radio frequency identifying system and its operationn method |
| JP2007293572A (en) * | 2006-04-25 | 2007-11-08 | J Craft:Kk | Rfid reader/writer |
| CN101216876A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | A transport monitoring system and method on sensing radio frequency identification and general packet wireless service |
| CN101714207A (en) * | 2009-10-16 | 2010-05-26 | 周必友 | Electronic tag infrared positioning system |
| CN203102340U (en) * | 2013-03-22 | 2013-07-31 | 哈尔滨鑫海城科技发展有限公司 | Directional far-distance active electronic tag and reader thereof |
-
2013
- 2013-03-22 CN CN2013100946061A patent/CN103136577A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1494032A (en) * | 2003-07-10 | 2004-05-05 | 邱广华 | Method of rapidly obtaining object information using network technology |
| JP2007293572A (en) * | 2006-04-25 | 2007-11-08 | J Craft:Kk | Rfid reader/writer |
| CN101051356A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Novel active radio frequency identifying system and its operationn method |
| CN101216876A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | A transport monitoring system and method on sensing radio frequency identification and general packet wireless service |
| CN101714207A (en) * | 2009-10-16 | 2010-05-26 | 周必友 | Electronic tag infrared positioning system |
| CN203102340U (en) * | 2013-03-22 | 2013-07-31 | 哈尔滨鑫海城科技发展有限公司 | Directional far-distance active electronic tag and reader thereof |
Non-Patent Citations (1)
| Title |
|---|
| 赵吉清: "远距离智能识别停车场管理系统的研究与设计", 《中国优秀硕士论文全文数据库信息科技辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103955737A (en) * | 2014-04-30 | 2014-07-30 | 广西电网公司电力科学研究院 | Power transformation equipment radio frequency identification electronic tag with self power supply optical mark function |
| CN112581721A (en) * | 2020-12-23 | 2021-03-30 | 山泰国际(香港)有限公司 | Human body social distance alarm |
| CN113902078A (en) * | 2021-11-04 | 2022-01-07 | 厦门忻德物联网科技有限公司 | Long-distance ID (identity) identification method and system suitable for being within 1500 meters |
| CN113902078B (en) * | 2021-11-04 | 2024-03-22 | 厦门忻德物联网科技有限公司 | Remote ID identity recognition method and system suitable for being within 1500 meters |
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Application publication date: 20130605 |