CN202025846U - Ultrahigh frequency radio frequency identification tag antenna - Google Patents
Ultrahigh frequency radio frequency identification tag antenna Download PDFInfo
- Publication number
- CN202025846U CN202025846U CN2010205591109U CN201020559110U CN202025846U CN 202025846 U CN202025846 U CN 202025846U CN 2010205591109 U CN2010205591109 U CN 2010205591109U CN 201020559110 U CN201020559110 U CN 201020559110U CN 202025846 U CN202025846 U CN 202025846U
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- China
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- metal
- antenna
- tag antenna
- ultrahigh frequency
- feedback ring
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Abstract
The utility model relates to an antenna technology, in particular to an ultrahigh frequency radio frequency identification tag antenna applied to the fields of clothes, logistics and the like. The antenna is integrally rectangular and comprises a metal feed ring connected with a radio frequency identification tag chip and a main radiating body, wherein a short circuit matching wire is arranged in the metal feed ring; and the metal feed ring is connected with the main radiating body through a metal short wire. The thickness, the number and the space of the short circuit matching wire and the metal short wire can be respectively adjusted, and thereby the impedance matching between the antenna and different chips is formed. The radio frequency identification tag antenna disclosed by the utility model is suitable for various chips with different impedances, has the bandwidth range of 860-960MHz as well as has the advantages of high grain and long reading-writing distance.
Description
Technical field
The utility model relates to antenna technology, is specifically related to a kind of ultrahigh frequency electronic tag antenna that is used for fields such as clothes, logistics.
Background technology
In recent years, the electronic recognition method has obtained promoting fast, has popularized and development in many service fields, goods producing and selling and turnover field etc.Original bar code only has readable function, and its storage capacity is limited, has been difficult to satisfy the society of current information explosion.Therefore, the electronic recognition instrument of seeking a kind of big capacity storage becomes the demand in current market, and wherein, electronic tag replaces bar code gradually and enters daily life.
Ultrahigh frequency electronic tag mainly is to be made of an integrated circuit and an antenna with read-write mass storage, Item Information is stored in the memory of integrated circuit, utilize the principle of electromagnetic radiation, carry out message transmission by electromagnetic wave, realize technology remote, mobile wireless identification.In clothes, logistics field, the circumstance complication that electronic tag uses needs reading/writing distance far away, and adapts to the chip of different impedances.Therefore, exploitation is a kind of just has broad frequency band, reading/writing distance electronic label antenna far away to become the market demand.
Summary of the invention
The utility model is a kind of electronic label antenna that is used for super high frequency radio frequency identification, can be used for fields such as clothes, logistics.
The technical solution of the utility model is:
A kind of ultrahigh frequency electronic tag antenna, this antenna is whole to become rectangle, comprises connecting line between the metal electric feedback ring that is connected with electronic label chip, main radiator, electric feedback ring and main radiator that the bending curve constitutes and the short circuit matched line in the electric feedback ring.
Described electronic label antenna, the metal short-term that is connected with main radiator by metal electric feedback ring, main radiator and metal electric feedback ring constitutes.
Described electronic label antenna, the area that line weight and lines thereof surrounded of its metal electric feedback ring can change.
Described electronic label antenna, one side of its metal electric feedback ring disconnects at the center, and the back that is connected with electronic label chip constitutes a closed-loop path.
Described electronic label antenna has two short circuit connecting lines in its metal electric feedback ring, the distance between the short circuit connecting line can change, and line weight can change, and can be crooked, and these change the adjustment that all can be used for carrying out impedance matching.
Described electronic label antenna, the core projection of its main radiator is tapered to both sides then, the tortuous formation of terminal S shape.
Described electronic label antenna, the central protuberance part of its main radiator can be slotted, and fluting number and thickness are variable, can be used for carrying out the adjustment of impedance matching.
Described electronic label antenna, be connected with the metal short-term between its metal electric feedback ring and main radiator, constitute complete label antenna, the distance between the metal short-term can change, the number of metal short-term and line weight also can change, and can be used for carrying out the adjustment of impedance matching.
Electronic label antenna of the present utility model has high-gain, reading/writing distance advantage far away, and bandwidth range is 860MHz～960MHz, is applicable to the chip of multiple different impedances, can work in the air ambient, sticks on article surface, function admirable.
Description of drawings
Fig. 1 is the structural representation of a kind of execution mode of the utility model;
Fig. 2 is the structural representation of the another kind of execution mode of the utility model;
Fig. 3 is the longitudinal profile schematic diagram of ultrahigh frequency electronic tag.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 and Fig. 2 are respectively the structural representations of two kinds of exemplary embodiment of the utility model, consult accompanying drawing 1 or 2, the whole one-tenth of the utility model rectangle, the metal short-term (3) that is connected with main radiator (2) by metal electric feedback ring (1), main radiator (2) and metal electric feedback ring (1) constitutes.The line weight size of metal electric feedback ring (1) and the area that lines surrounded thereof can change.One side of metal electric feedback ring (1) disconnects at the center, and the back that is connected with electronic label chip constitutes a closed-loop path (the frame of broken lines part A is chip and antenna junction among the figure).Distance between the short circuit matched line (12) in the metal electric feedback ring (1) can be adjusted, and line weight can change, and can be crooked.The core projection (22) of main radiator (2) is tapered to both sides then, the tortuous formation of terminal S shape (21).Core projection (22) part of main radiator (2) can be added fluting (23), and fluting (23) number and thickness are variable.Be connected to form complete antenna pattern with metal short-term (3) between metal electric feedback ring (1) and main radiator (2), the distance between metal short-term (3) can change, and the number and the line weight of metal short-term (3) also can change.
Fluting (23) in the short circuit matched line (12) in the above-mentioned metal electric feedback ring, main radiator, and number, thickness and the spacing of the metal short-term (3) of connection metal electric feedback ring and main radiator are all adjustable, and described antenna can be mated with different impedances.As shown in Figure 1, the number of the metal short-term (3) that metal electric feedback ring (1) is connected with main radiator (2) is 4, and metal electric feedback ring (1) internal short-circuit matched line is thicker, and there are two flutings at the main radiator center.Fig. 2 is the structural representation of the another kind of execution mode of the utility model, wherein the number of the metal short-term (3) that is connected with main radiator (2) of metal electric feedback ring (1) is 2, metal electric feedback ring (1) internal short-circuit metal wire is thinner and crooked, and the main radiator center is fluting not.
Fig. 3 is the longitudinal profile schematic diagram of ultrahigh frequency electronic tag, be substrate wherein with PET aluminium film (or copper film) material (5), upward make corresponding antenna pattern (4) at PET aluminium film (or copper film) material (5) with etching method, antenna (4) is connected with integrated circuit (IC) chip (7), constitutes complete electronic tag.Binding agent (6) is adhered at PET aluminium film (or copper film) material (5) back side, electronic tag can be pasted on article surface.
The above only is a typical embodiment of the present utility model, does not therefore limit protection range of the present utility model.All equivalences of doing according to content of the present utility model change and modify, and all fall into the technology category that the utility model is protected.
Claims (5)
1. ultrahigh frequency electronic tag antenna, antenna integral body is rectangular, comprise the metal electric feedback ring and the main radiator that are connected with electronic label chip, it is characterized in that the metal electric feedback ring is connected by the metal short-term with main radiator, is provided with the short circuit matched line in the metal electric feedback ring.
2. a kind of ultrahigh frequency electronic tag antenna according to claim 1 is characterized in that number, thickness, shape and the spacing of described short circuit matched line is adjustable.
3. a kind of ultrahigh frequency electronic tag antenna according to claim 1 and 2 is characterized in that described metal electric feedback ring center gap on one side connects electronic label chip.
4. a kind of ultrahigh frequency electronic tag antenna according to claim 1 is characterized in that described main radiator terminal is the S shape, and the intermediate projections place establishes groove, and the number of groove, thickness and spacing are adjustable.
5. a kind of ultrahigh frequency electronic tag antenna according to claim 1 is characterized in that described metal short-term number, thickness and spacing are all adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205591109U CN202025846U (en) | 2010-10-13 | 2010-10-13 | Ultrahigh frequency radio frequency identification tag antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205591109U CN202025846U (en) | 2010-10-13 | 2010-10-13 | Ultrahigh frequency radio frequency identification tag antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202025846U true CN202025846U (en) | 2011-11-02 |
Family
ID=44850786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205591109U Expired - Fee Related CN202025846U (en) | 2010-10-13 | 2010-10-13 | Ultrahigh frequency radio frequency identification tag antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202025846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105184358A (en) * | 2015-10-13 | 2015-12-23 | 武汉威杜信息科技有限公司 | Passive electronic tag for high dielectric glass |
| CN106022444A (en) * | 2016-05-19 | 2016-10-12 | 深圳市法兰文化产业有限公司 | Fragile anti-metal label and mounting device thereof |
| CN108550977A (en) * | 2018-03-30 | 2018-09-18 | 深圳市振华微电子有限公司 | RFID antenna, RFID tag and RFID antenna production method |
-
2010
- 2010-10-13 CN CN2010205591109U patent/CN202025846U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105184358A (en) * | 2015-10-13 | 2015-12-23 | 武汉威杜信息科技有限公司 | Passive electronic tag for high dielectric glass |
| CN105184358B (en) * | 2015-10-13 | 2018-08-03 | 武汉威杜信息科技有限公司 | A kind of superdielectric glass passive electronic label |
| CN106022444A (en) * | 2016-05-19 | 2016-10-12 | 深圳市法兰文化产业有限公司 | Fragile anti-metal label and mounting device thereof |
| CN106022444B (en) * | 2016-05-19 | 2018-10-26 | 深圳市法兰文化产业有限公司 | A kind of frangible anti-metal tag |
| CN108550977A (en) * | 2018-03-30 | 2018-09-18 | 深圳市振华微电子有限公司 | RFID antenna, RFID tag and RFID antenna production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20121013 |