CN201238076Y - High-frequency radio frequency recognition reader-writer antenna - Google Patents
High-frequency radio frequency recognition reader-writer antenna Download PDFInfo
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- CN201238076Y CN201238076Y CNU2008201252103U CN200820125210U CN201238076Y CN 201238076 Y CN201238076 Y CN 201238076Y CN U2008201252103 U CNU2008201252103 U CN U2008201252103U CN 200820125210 U CN200820125210 U CN 200820125210U CN 201238076 Y CN201238076 Y CN 201238076Y
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- 238000004891 communication Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The utility model discloses a high-frequency radio frequency identification reader antenna. The reader antenna comprises an antenna coil and a half-ring shaped magnetic ring, and the antenna coil is tightly wound on the half-ring shaped magnetic ring. The utility model provides a high-frequency radio frequency identification reader antenna which can read on the lateral surface of the electronic tag. When the electronic tag is attached on book pages, the reader antenna is used to read information from the lateral side of the book without touch, namely being parallel to the book. When books are uprightly put on the bookshelf, with the reading mode, not only the good communication effect can be obtained, but also the books can not be damaged, moreover, the operation is convenient.
Description
Technical field
The utility model relates to a kind of high-frequency radio frequency recognition technology, particularly relates to a kind of high-frequency radio frequency identification reading and writing device antenna.
Background technology
(Radio Frequency Identification, RFID) technology is the technology that an information of utilizing radiofrequency signal to be coupled (alternating magnetic field or electromagnetic field) contactless information transmission of realization and to pass through to be transmitted by the space reaches identifying purpose to radio-frequency (RF) identification.The rfid system that is formed by the RFID technology mainly comprises read write line and electronic tag two parts.Read write line sends wireless signal to electronic tag, and the data that electronic tag will be stored in its inside chip return to read write line, reaches the purpose of automatic identification thus.REID can be divided into according to frequency range: low frequency (125KHz), high frequency (13.5MHz), hyperfrequency (900MHz) and microwave (2.45MHz).
High-frequency RF ID label exemplary operation frequency is 13.56MHz, and generally based on passive, when label and reader carried out exchanges data, label must be positioned at the near-field region of reader antenna radiation.The reading distance of high-frequency label is generally speaking less than 1 meter.High-frequency label is widely used in electronic ticket, electronic ID card, electric locking antitheft (electronic telecontrol door lock controller), Property Management of residence, mansion gate control system etc. owing to can make the card shape easily.
As shown in Figure 1, by the inductance coupling high between reading and writing device antenna and electronic label antenna, promptly magnetic coupling communicates between high frequency rfid interrogator and electronic tag.When card reader antenna coil plane during with the parallel placement of electronic label antenna coil plane, the alternating magnetic field that the card reader antenna coil current produces is by the magnetic flux maximum of electronic label antenna coil, and promptly coupling is the strongest between two coils, at this moment, communication efficiency is best, and reading/writing distance farthest.
But in some field, taking care of books field for example, high-frequency RF ID electronic tag since its volume be secured at more greatly on book cover or the back cover plane, vertical with the spine plane.When a large amount of books are arranged in order on bookshelf, if use existing high frequency rfid interrogator, its read-write antenna is hard or soft plate coil antenna, for obtain and electronic tag between communication efficiency preferably, must the hard plate antenna insert and read and write between books or the soft dull and stereotyped contact and the inswept books page are read and write---the plate level that promptly guarantees antenna is with the books plane parallel or become less angle.Such read-write mode causes damage to books easily, and the read-write effect is undesirable, and operation is extremely inconvenient.
The utility model content
The purpose of this utility model is exactly in order to solve above-mentioned the deficiencies in the prior art part, a kind of high-frequency RF ID reading and writing device antenna that can read and write in the electronic tag side is provided, when electronic tag is attached at page, by using described reading and writing device antenna, can be from the books side---be parallel to promptly that the plane of books is contactless to be read and write information.
For realizing the utility model purpose, the utility model provides a kind of high-frequency radio frequency identification reading and writing device antenna, and described reading and writing device antenna comprises aerial coil and semicircular magnet ring, and described aerial coil closely is wound on the semicircular magnet ring.
The preferred version that the utility model provides is, described aerial coil is divided on the intensive two ends that are wound in the semicircular magnet ring of two parts, and two parts aerial coil is connected by lead.
The high-frequency radio frequency identification reading and writing device antenna that the utility model provides, can read and write in the electronic tag side, when electronic tag was attached at page, described reading and writing device antenna can be from the books side---be parallel to promptly that the plane of books is contactless to be read and write information.When the books setting is arranged on the bookshelf, adopt such read-write mode can obtain the excellent communications effect, be not easy again books are caused damage, and easy to operate.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is done explanation in further detail.
Fig. 1 is a communication mode principle schematic between a kind of high frequency rfid interrogator and electronic tag in the prior art.
Fig. 2 is the principle schematic of a kind of high-frequency RF ID reading and writing device antenna of the utility model.
Embodiment
With reference to figure 1, be communication mode principle schematic between a kind of high frequency rfid interrogator and electronic tag in the prior art.By the inductance coupling high between reading and writing device antenna and electronic label antenna, promptly magnetic coupling communicates between high frequency rfid interrogator and electronic tag.When card reader antenna coil plane during with the parallel placement of electronic label antenna coil plane, the alternating magnetic field that the card reader antenna coil current produces is by the magnetic flux maximum of electronic label antenna coil, and promptly coupling is the strongest between two coils, at this moment, communication efficiency is best, and reading/writing distance farthest.
With reference to figure 2, be the principle schematic of a kind of high-frequency RF ID reading and writing device antenna of the utility model.Described reading and writing device antenna comprises aerial coil and semicircular magnet ring, and aerial coil closely is wound on the semicircular magnet ring.When having electric current to flow through in the antenna coil, the magnetic field magnetic line that this electric current produces distributes shown in the dotted line among Fig. 2, and what promptly the magnetic line of force was intensive is distributed in by the A port to the space of B port, the approximate plane that is parallel to by A to B.When reading and writing device antenna is positioned over setting that page posts electronic tag be arranged in books on the bookshelf before the time, the magnetic line of force of reading and writing device antenna coil passes the electronic label antenna coil that is attached on the outer side plane of books in a large number, at this moment, coupling closely between reading and writing device antenna and electronic label antenna, communication efficiency is splendid, and reading/writing distance is far away.
In a preferred embodiment of the present utility model, described aerial coil is divided on the intensive two ends that are wound in semicircular antenna magnet ring of two parts, and two parts aerial coil is connected by lead.When the antenna coil is intensive when being wound in semicircular magnet ring two ends, the magnetic line of force that the coil midstream overcurrent produces is to dispersing in the air, and like this, the intensive loop of the magnetic line of force is farther from the AB of semicircular magnet ring plan range, when guaranteeing identical communication efficiency, it is also just farther accordingly to read distance.
Adopt above embodiment, the high-frequency radio frequency identification reading and writing device antenna that the utility model provides, can read and write in the electronic tag side, when electronic tag is attached at page, by using described reading and writing device antenna, can be from the books side---be parallel to promptly that the plane of books is contactless to be read and write information.Establish when being arranged on the bookshelf when books, adopt such read-write mode can obtain the excellent communications effect, be not easy again books are caused damage, and easy to operate.
Should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not it is limited; although the utility model is had been described in detail with reference to the foregoing description; those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model; and do not break away from any modification of the utility model spirit and scope or be equal to replacement, all should be encompassed in the claim protection range of the present utility model.
Claims (2)
1, a kind of high-frequency radio frequency identification reading and writing device antenna is characterized in that described reading and writing device antenna comprises aerial coil and semicircular magnet ring, and described aerial coil closely is wound on the semicircular magnet ring.
2, high-frequency radio frequency identification reading and writing device antenna according to claim 1 is characterized in that, described aerial coil is divided on the intensive two ends that are wound in the semicircular magnet ring of two parts, and two parts aerial coil is connected by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201252103U CN201238076Y (en) | 2008-07-03 | 2008-07-03 | High-frequency radio frequency recognition reader-writer antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201252103U CN201238076Y (en) | 2008-07-03 | 2008-07-03 | High-frequency radio frequency recognition reader-writer antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238076Y true CN201238076Y (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201252103U Expired - Lifetime CN201238076Y (en) | 2008-07-03 | 2008-07-03 | High-frequency radio frequency recognition reader-writer antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN201238076Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551367A (en) * | 2011-12-28 | 2012-07-11 | 上海阿法迪智能标签系统技术有限公司 | Passive intelligent bookshelf system equipment |
| CN102823146A (en) * | 2010-09-06 | 2012-12-12 | 株式会社村田制作所 | RFID module and RFID device |
| CN105760798A (en) * | 2016-02-04 | 2016-07-13 | 广东小天才科技有限公司 | Improved method for identifying coil label mounted on three-dimensional device |
| CN107194298A (en) * | 2017-06-02 | 2017-09-22 | 成都飞凯瑞科技有限公司 | A kind of RFID high frequencies read write line |
-
2008
- 2008-07-03 CN CNU2008201252103U patent/CN201238076Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823146A (en) * | 2010-09-06 | 2012-12-12 | 株式会社村田制作所 | RFID module and RFID device |
| CN102551367A (en) * | 2011-12-28 | 2012-07-11 | 上海阿法迪智能标签系统技术有限公司 | Passive intelligent bookshelf system equipment |
| CN105760798A (en) * | 2016-02-04 | 2016-07-13 | 广东小天才科技有限公司 | Improved method for identifying coil label mounted on three-dimensional device |
| CN107194298A (en) * | 2017-06-02 | 2017-09-22 | 成都飞凯瑞科技有限公司 | A kind of RFID high frequencies read write line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MA YAN Free format text: FORMER OWNER: HUIZHOU EVERAY TECHNOLOGIES CO., LTD. Effective date: 20120530 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 516003 HUIZHOU, GUANGDONG PROVINCE TO: 100085 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120530 Address after: 100085, 2B-605, bright city, No. 1, Nongda South Road, Beijing, Haidian District Patentee after: Ma Yan Address before: 1906, room 516003, DESAY building, 12 Yunshan West Road, Jiangbei, Guangdong, Huizhou Patentee before: Huizhou Everay Technologies Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Core technology (Beijing) Electronic Technology Co., Ltd. Assignor: Ma Yan Contract record no.: 2013990000055 Denomination of utility model: High-frequency radio frequency recognition reader-writer antenna Granted publication date: 20090513 License type: Exclusive License Record date: 20130207 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |