CN101140614A - Protocol frequency and system thereof - Google Patents
Protocol frequency and system thereof Download PDFInfo
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- CN101140614A CN101140614A CNA2007100468685A CN200710046868A CN101140614A CN 101140614 A CN101140614 A CN 101140614A CN A2007100468685 A CNA2007100468685 A CN A2007100468685A CN 200710046868 A CN200710046868 A CN 200710046868A CN 101140614 A CN101140614 A CN 101140614A
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Abstract
The invention relates to the field of RFID and mainly resolves communication problems between readers (Readers) and electronic tags (Tags) with different protocols and frequency. Utilize the protocol frequency converter and the reader to operate the tag with different protocols and frequency, in order to expand application of the RFID system, and prompt interconnection and information share between different RFID systems. One outstanding point is that the converter directly takes carrier energy from the reader without external power source or internal battery; therefore, low installation cost and utilization cost make the invention widely applied for a plurality of fields.
Description
Technical field
The present invention relates to the RFID field, particularly a kind of protocol frequency converter and system thereof.
Background technology
REID RFID is a kind of of automatic identification technology, and English is Radio Frequency Identification, abbreviates RFID as.The composition of radio-frequency recognition system generally comprises two parts at least: (1) electronic tag, English name are Tag; (2) reader, English name are Reader.Generally preserve the electronic data of agreement form in the electronic tag, in actual applications, electronic tag is attached to object surfaces to be identified.Reader is called readout device again, the electronic data that can contactlessly read and discern in the electronic tag to be preserved, thus reach the purpose of automatic recognition object.Further realize management functions such as collection, processing and teletransmission to object identification information by computing machine and computer network.For most of rfid systems, will adopt a fixing frequency, and have a cover standard agreement to match with it.
REID can be divided into low frequency system and radio frequency system two big classes according to its frequency difference that adopts;
1, low frequency system refers generally to its frequency of operation less than 30MHz, and typical frequency of operation has: 125KHz, 225KHz, 13.56M etc. generally have corresponding international standard based on the radio-frequency recognition system of these frequencies.
2, radio frequency system refers generally to its frequency of operation greater than 400MHz, and typical working frequency range has: 915MHz, 2450MHz, 5800MHz etc.Radio frequency system also has numerous international standards to support on these frequency ranges.
Comprise that contactless ic is stuck in the development that interior RFID technology is passed through more than ten years, goed deep into each corner of the modern life, be widely used in fields such as public transport, gate inhibition, doit electronic payment.In recent years, under demands such as track traffic, logistics management, article anti-counterfeit, identification promoted, the RFID continuous advancement in technology was used more and more universally, and market presses for all kinds of RFID identification equipments.But simultaneously, owing to adopt different frequency and different agreement between each rfid system, to carry out interconnected between the electronic tag of different rfid systems and the reader and information sharing just can't realize.Particularly under the prerequisite of not transforming existing most of reader, utilize a reader operation different frequency or different agreement electronic tag just often can't realize, popularization and the development to the RFID technology just brought unfavorable factor like this.
The factor that another one will be considered is: under the prerequisite of not transforming existing reader, a lot of situation site environments can't provide protocol frequency converter needed power supply, if this converter need could be worked with wired mode incoming transport or direct supply, had a greatly reduced quality in the application of converter and place.
Summary of the invention
The present invention is for overcoming above-mentioned prior art shortcoming, and purpose is the communication issue that solves between the electronic tag (Tag) of RFID field reader (Reader) and different agreement, frequency.
For achieving the above object, technical scheme of the present invention is: a kind of protocol frequency converter and system thereof are provided, utilize this protocol frequency converter and system, reader can be operated the label of different agreement, frequency.
A kind of protocol frequency converter, be characterized in that this converter comprises: agreement frequency processor (9), reader communication antenna (7), electronic tag communication antenna (8) is formed, this agreement frequency processor (9) comprising: frequency F1 transceiver module (91), frequency F2 transceiver module (92), protocol conversion control module (93), power supply processing module (94), first pin (95), second pin (96), the 3rd pin (97), the 4th pin (98), reader communication antenna (7) is wired to first pin (95) of agreement frequency processor (9), on second pin (96), electronic tag communication antenna (8) is wired to the 3rd pin (97) of agreement frequency processor (9), the 4th pin (98), this protocol frequency converter (9) is directly taken the carrier energy that reader (1) sends by reader communication antenna (7) during work, and by the required working power of power supply processing module (94) generation agreement frequency processor (9) work, use for inner each module work of agreement frequency processor (9), frequency F1 transceiver module (91) is mainly used in and receives order that reader (1) sends or answer signal is returned to reader (1), frequency F2 transceiver module (92) is mainly used in to be issued order electronic tag or receives answer signal from electronic tag, and protocol conversion control module (93) is mainly carried out the protocol conversion between agreement P1 and the agreement P2.
The system that the described protocol frequency converter of a kind of claim 1 is used, be characterized in: this system comprises: the communication interface (5) of reader (1), protocol frequency converter (2), reader antenna (3), background system (4), reader and background system, the read-write zone (6) of electronic tag A; The antenna (8) that the antenna of protocol frequency converter and reader communication (7), protocol frequency converter and electronic tag B communicate by letter.
The electronic tag A or the electronic tag B of reader (1) operation are RFID electronic tag or the equipment that electronic tag is housed.
The RFID electronic tag is active electronic label or passive electronic label.
The equipment that electronic tag is housed is active equipment or passive equipment.
Active equipment is a mobile communication equipment.
Mobile communication equipment is a mobile phone.
Mobile phone is to use the mobile phone of GSM, CDMA or 3G communication network.
The carrier frequency that reader (1) and electronic tag A or electronic tag B use is: 125KHz, 225KHz, 13.56MHz, 915MHz, 2450MHz or 5800MHz.
Agreement is different with reader frequency is the same for electronic tag B, i.e. F1=F2/P1 ≠ P2, and perhaps frequency is different and agreement is the same, i.e. F1 ≠ F2/P1=P2.
Compared with prior art, the invention has the beneficial effects as follows: expand the application of rfid system, and impel the interconnected and information sharing of different rfid systems.Outstanding a bit, this converter is directly taken the carrier energy that reader sends, dispense with outer connecting power or interior charged pool, cost of installation and use impels it can be widely used in a plurality of fields cheaply.
Description of drawings
Fig. 1 is the system architecture synoptic diagram that protocol frequency converter is housed;
Fig. 2 is the protocol frequency converter structural representation;
Number in the figure: the 1st, reader; The 2nd, protocol frequency converter; The 3rd, reader antenna; The 4th, background system; The 5th, the communication interface of reader and background system; The 6th, the read-write zone of electronic tag A; The 7th, the antenna of protocol frequency converter and reader communication; The 8th, the antenna that protocol frequency converter is communicated by letter with electronic tag B; The 9th, the agreement frequency processor in the protocol frequency converter;
Fig. 3 is an agreement frequency processor structural representation;
Number in the figure: the 91st, frequency F1 transceiver module; The 92nd, frequency F2 transceiver module; The 93rd, protocol conversion control module, the 94th, power supply processing module, 95 is that first pin, 96 is that second pin, 97 is that the 3rd pin, 98 is the 4th pins.
Embodiment
The system architecture synoptic diagram that protocol frequency converter 2 is housed is referring to Fig. 1.
In this system, the carrier frequency that reader 1 uses is P1 as the F1/ agreement, and electronic tag A and reader are supporting, uses same carrier frequency F1 and agreement P1, and electronic tag B uses carrier frequency F2 and agreement P2; Background system 4 is connected with reader 1, the back-office support that provides RFID exchange to need.
During reader 1 operation electronic tag A, this label just is placed on the read-write zone 6 of electronic tag A;
During reader operation electronic tag B, label just is placed on above the RFID protocol frequency converter 2, and label B communicates mutual via protocol frequency converter 2 and reader 1 and finishes transaction.
Reader 1 and background system 4 communicate by communication interfaces such as network or RS232 5.
The workflow of this rfid system is as follows:
1) protocol frequency converter 2 is pasted or be installed on the reader 1 of existing reader system;
2) if operation and reader 1 frequency and the agreement electronic tag A (frequency F1/ agreement P1) of compatibility mutually, then this label A is put into the read-write zone 6 of electronic tag A, finish transaction according to normal flow process;
3) if operation and reader 1 frequency and the agreement electronic tag B (frequency F2/ agreement P2) of compatibility mutually then this label B is put into above the protocol frequency converter 2;
4) protocol frequency converter 2 detect electronic tag B near after, just finish self initial work, and the entering of notice reader 1 electronic tag B;
5) reader 1 and electronic tag B finish transaction by protocol frequency converter 2.Order between protocol frequency converter 2 and the reader 1 and reply with frequency F1 and agreement P1 and carry out alternately, and the order between protocol frequency converter 2 and the electronic tag B and reply with frequency F2 and agreement P2 and carry out alternately.
6) closing the transaction, reader 1 provide sound and light signal prompting user;
7) user takes electronic tag B away after obtaining the closing the transaction prompting;
8) protocol frequency converter 2 is carried out homing action, waits for the beginning of transaction next time;
Protocol frequency converter 2 structures are referring to Fig. 2.
This RFID protocol frequency converter is simple in structure, mainly contains the antenna 7 that agreement frequency processor 9, protocol frequency converter 2 and reader 1 are communicated by letter; Protocol frequency converter 2 is formed with the antenna 8 that electronic tag B (adopting frequency F2/ agreement P2) communicates by letter.
During work, the agreement frequency processor 9 main conversion process of being responsible for agreement and frequency.Reader 1 via this passive RFID agreement frequency processor 2 when electronic tag B sends order, at first should order by antenna 7, under the carrier frequency of F1, pass to agreement frequency processor 9 from reader 1 in the mode of agreement P1; After agreement frequency processor 9 receives this order, carry out the conversion of agreement and frequency, convert, then should order mode, be dealt into electronic tag B by antenna 8 with frequency F2 and agreement P2.
As electronic tag B during to reader 1 acknowledgement command, at first answer signal is dealt into agreement frequency processor 9 from electronic tag B by antenna 8 in the mode of frequency F2 and agreement P2; After agreement frequency processor 9 receives this answer signal, carry out the conversion of agreement and frequency, convert, then should order mode, be dealt in the reader 1 by antenna 7 with frequency F1 and agreement P1.
Antenna 8 is as the communication port of agreement frequency processor 9 and electronic tag B, and the another one task of undertaking is the transmission of energy, and promptly carrier energy is delivered to electronic tag B from agreement frequency processor 9 by antenna 8.
The inner structure of agreement frequency processor is referring to Fig. 3.
Protocol frequency converter is mainly by frequency F1 transceiver module (91), frequency F2 transceiver module (92), protocol conversion control module (93), power supply processing module (94), first pin (95), second pin (96), the 3rd pin (97), the 4th pin (98) are formed, reader communication antenna (7) is wired on first pin (95), second pin (96) of agreement frequency processor (9), and electronic tag communication antenna (8) is wired to the 3rd pin (97), the 4th pin (98) of agreement frequency processor (9).This protocol frequency converter (9) is directly taken the carrier energy that reader (1) sends by reader communication antenna (7) during work, and, use for inner each module work of agreement frequency processor (9) by the required working power of power supply processing module (94) generation agreement frequency processor (9) work.Frequency F1 transceiver module (91) is mainly used in and receives order that reader (1) sends or answer signal is returned to reader (1).Frequency F2 transceiver module (92) is mainly used in to be issued order electronic tag or receives answer signal from electronic tag.Protocol conversion control module (93) is mainly carried out the protocol conversion between agreement P1 and the agreement P2.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (10)
1. protocol frequency converter, it is characterized in that this converter comprises: agreement frequency processor (9), reader communication antenna (7), electronic tag communication antenna (8) is formed, this agreement frequency processor (9) comprising: frequency F1 transceiver module (91), frequency F2 transceiver module (92), protocol conversion control module (93), power supply processing module (94), first pin (95), second pin (96), the 3rd pin (97), the 4th pin (98), reader communication antenna (7) is wired to first pin (95) of agreement frequency processor (9), on second pin (96), electronic tag communication antenna (8) is wired to the 3rd pin (97) of agreement frequency processor (9), the 4th pin (98), this protocol frequency converter (9) is directly taken the carrier energy that reader (1) sends by reader communication antenna (7) during work, and by the required working power of power supply processing module (94) generation agreement frequency processor (9) work, use for inner each module work of agreement frequency processor (9), frequency F1 transceiver module (91) is mainly used in and receives order that reader (1) sends or answer signal is returned to reader (1), frequency F2 transceiver module (92) is mainly used in to be issued order electronic tag or receives answer signal from electronic tag, and protocol conversion control module (93) is mainly carried out the protocol conversion between agreement P1 and the agreement P2.
2. the system that uses of the described protocol frequency converter of a claim 1, it is characterized in that: this system comprises: the communication interface (5) of reader (1), protocol frequency converter (2), reader antenna (3), background system (4), reader and background system, the read-write zone (6) of electronic tag A; The antenna (8) that the antenna of protocol frequency converter and reader communication (7), protocol frequency converter and electronic tag B communicate by letter.
3. agreement frequency conversion system according to claim 2 is characterized in that: the electronic tag A or the electronic tag B of reader (1) operation are RFID electronic tag or the equipment that electronic tag is housed.
4. according to the described RFID electronic tag of claim 3, it is characterized in that: the RFID electronic tag is active electronic label or passive electronic label.
5. the equipment that electronic tag is housed according to claim 3 is characterized in that: the equipment that electronic tag is housed is active equipment or passive equipment.
6. the active equipment that electronic tag is housed according to claim 5 is characterized in that: active equipment is a mobile communication equipment.
7. mobile communication equipment according to claim 6 is characterized in that: mobile communication equipment is a mobile phone.
8. mobile phone according to claim 7 is characterized in that: mobile phone is to use the mobile phone of GSM, CDMA or 3G communication network.
9. protocol frequency converter according to claim 1 is characterized in that: the carrier frequency that reader (1) and electronic tag A or electronic tag B use is: 125KHz, 225KHz, 13.56MHz, 915MHz, 2450MHz or 5800MHz.
10. protocol frequency converter according to claim 1 is characterized in that: agreement is different with reader frequency is the same for electronic tag B, i.e. F1=F2/P1 ≠ P2, and perhaps frequency is different and agreement is the same, i.e. F1 ≠ F2/P1=P2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100468685A CN100524337C (en) | 2007-10-10 | 2007-10-10 | Protocol frequency and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100468685A CN100524337C (en) | 2007-10-10 | 2007-10-10 | Protocol frequency and system thereof |
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| CN101140614A true CN101140614A (en) | 2008-03-12 |
| CN100524337C CN100524337C (en) | 2009-08-05 |
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| CNB2007100468685A Expired - Fee Related CN100524337C (en) | 2007-10-10 | 2007-10-10 | Protocol frequency and system thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009140806A1 (en) * | 2008-05-20 | 2009-11-26 | 深圳市中兴集成电路设计有限责任公司 | Read-write converting device of radio frequency smart card |
| CN101837699A (en) * | 2010-04-01 | 2010-09-22 | 鲁东大学 | Electronic diploma based on technology of Internet of things |
| CN102413207A (en) * | 2011-09-23 | 2012-04-11 | 大唐移动通信设备有限公司 | Terminal frequency broadening device and application method thereof |
| CN102447485A (en) * | 2010-10-15 | 2012-05-09 | 上海合玉科技发展有限公司 | RF (radio frequency) energy conversion circuit |
| CN101770561B (en) * | 2008-12-29 | 2012-05-16 | 郑州大学 | Switching method and control switching system thereof of radio frequency identification device (RFID) multi-protocol reader-writer |
| CN102486838A (en) * | 2010-12-03 | 2012-06-06 | 中国科学院沈阳自动化研究所 | Multi-criteria radio frequency identification (RFID) tag data integration and conversion method |
| CN102110232B (en) * | 2009-12-23 | 2012-12-05 | 同济大学 | RFID intelligent reader-writer with multiple frequency bands and protocols |
| CN103793726A (en) * | 2012-10-30 | 2014-05-14 | 上海阿法迪智能标签***技术有限公司 | Expansion adapter for ultrahigh-frequency FRID reader-writer |
| CN103793724A (en) * | 2012-10-30 | 2014-05-14 | 上海阿法迪智能标签***技术有限公司 | Expansion adapter of high frequency RFID reader-writer |
| US8929805B2 (en) | 2007-10-30 | 2015-01-06 | Nationz Technologies Inc. | System, method, and device for radio frequency communication |
| KR102562815B1 (en) * | 2022-09-20 | 2023-08-02 | 비전아이 주식회사 | Apparatus for converting rf signal |
| KR102627685B1 (en) * | 2023-07-13 | 2024-01-23 | 비전아이 주식회사 | Method for issuing entrance id |
-
2007
- 2007-10-10 CN CNB2007100468685A patent/CN100524337C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8929805B2 (en) | 2007-10-30 | 2015-01-06 | Nationz Technologies Inc. | System, method, and device for radio frequency communication |
| CN101329739B (en) * | 2008-05-20 | 2011-03-16 | 国民技术股份有限公司 | Read-write converting device and method of radio frequency smart card |
| WO2009140806A1 (en) * | 2008-05-20 | 2009-11-26 | 深圳市中兴集成电路设计有限责任公司 | Read-write converting device of radio frequency smart card |
| CN101770561B (en) * | 2008-12-29 | 2012-05-16 | 郑州大学 | Switching method and control switching system thereof of radio frequency identification device (RFID) multi-protocol reader-writer |
| CN102110232B (en) * | 2009-12-23 | 2012-12-05 | 同济大学 | RFID intelligent reader-writer with multiple frequency bands and protocols |
| CN101837699A (en) * | 2010-04-01 | 2010-09-22 | 鲁东大学 | Electronic diploma based on technology of Internet of things |
| CN102447485B (en) * | 2010-10-15 | 2014-07-30 | 上海合玉科技发展有限公司 | RF (radio frequency) energy conversion circuit |
| CN102447485A (en) * | 2010-10-15 | 2012-05-09 | 上海合玉科技发展有限公司 | RF (radio frequency) energy conversion circuit |
| CN102486838A (en) * | 2010-12-03 | 2012-06-06 | 中国科学院沈阳自动化研究所 | Multi-criteria radio frequency identification (RFID) tag data integration and conversion method |
| CN102486838B (en) * | 2010-12-03 | 2014-11-19 | 中国科学院沈阳自动化研究所 | Multi-criteria radio frequency identification (RFID) tag data integration and conversion method |
| CN102413207A (en) * | 2011-09-23 | 2012-04-11 | 大唐移动通信设备有限公司 | Terminal frequency broadening device and application method thereof |
| CN103793724A (en) * | 2012-10-30 | 2014-05-14 | 上海阿法迪智能标签***技术有限公司 | Expansion adapter of high frequency RFID reader-writer |
| CN103793726A (en) * | 2012-10-30 | 2014-05-14 | 上海阿法迪智能标签***技术有限公司 | Expansion adapter for ultrahigh-frequency FRID reader-writer |
| KR102562815B1 (en) * | 2022-09-20 | 2023-08-02 | 비전아이 주식회사 | Apparatus for converting rf signal |
| KR102627685B1 (en) * | 2023-07-13 | 2024-01-23 | 비전아이 주식회사 | Method for issuing entrance id |
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| Publication number | Publication date |
|---|---|
| CN100524337C (en) | 2009-08-05 |
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Granted publication date: 20090805 Termination date: 20161010 |