CN103164735A - Metal-resistant super-high frequency radio frequency identification device (RFID) label - Google Patents
Metal-resistant super-high frequency radio frequency identification device (RFID) label Download PDFInfo
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- CN103164735A CN103164735A CN2011104221531A CN201110422153A CN103164735A CN 103164735 A CN103164735 A CN 103164735A CN 2011104221531 A CN2011104221531 A CN 2011104221531A CN 201110422153 A CN201110422153 A CN 201110422153A CN 103164735 A CN103164735 A CN 103164735A
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Abstract
The invention provides a metal-resistant super-high frequency radio frequency identification device (RFID) label (50). The metal-resistant super-high frequency RFID label (50) comprises a label electric medium part (51), a first annular antenna image (53) and a second annular antenna image (55). The second annular antenna image (55) is continuous from a first surface of the label electronic medium part (51) to a second surface of the label electric medium part (51). And a fracture is formed in the first surface of the label electric medium part (51). The first annular antennal image (53) is located on the second annular antennal image (55) and connected with the second annular antennal image (55) in a couple mode without conducting electricity. An integrity circuit chip (52) is installed on the first annular antenna image (53).
Description
Technical field
The present invention relates to RFID (radio-frequency (RF) identification) electronic tag, particularly relate to a kind of electronic tag that can be applied to metal surface or non-metallic material surface, when it be affixed on metal or nonmetal on all have advantages of the good distance of reading.
Background technology
In logistics, asset management, production operation management, this mode that the bar code of printing is attached on product or its packing is commonly used.But the problem that this barcode technology exists has: read apart near, can not the group read, reading efficiency is low, its information is non-renewable, can not use under many particular surroundingss.
Thereby present RFID technology realizes reading and writing of information in non-contacting mode, reads apart from far away, and can realize that the group reads function, and it has improved the read-write efficiency of label significantly, and it can also be encrypted information simultaneously, has realized good Information Security.
For the various types of RFID labels that existed on market, the first type is to be made into dipole antenna, as shown in Fig. 9 (a), when it is installed on the nonconductor face, has obtained the reading/writing distance that signal signal post needs.But the time, when it being pasted or is installed on the metal surface, metal has weakened the communication performance of RFID label greatly, cause it to read apart from the problem that significantly reduces, as shown in Fig. 9 (b), its basic reason is because can produce in the metal surface and the rightabout electric current of dipole antenna surface current, and it can offset the electromagnetic field that the dipole antenna surface current produces; The second type is when making dipole antenna, increase its distance to the metal surface and reduced metal object to its impact, as shown in Fig. 9 (c), this mode can reduce the impact of the inverse current on metal object surface, can suitably increase its communication distance, but its communication distance does not reduce when still more being attached on metal object to some extent, and its bandwidth will narrow down, when reading apart from requiring or during bandwidth requirement, this type of label has very large application limitation; The third type is to be made into unipole antenna, as shown in figure 10, this antenna still has bandwidth and gain preferably when being affixed on the metal surface, this antenna is generally to adopt etching or silver slurry typography to process on dielectric material, and its cost is relatively high.
Involved in the present invention is a kind of novel anti-metal RFID label, and it all has the very excellent distance of reading at conductor and Nonconductor surface, stable and reliable working performance, and also processing cost is relatively low.
Summary of the invention
The purpose of this invention is to provide a kind of ultra-high frequency RFID label with coil antenna, it has reads to process easy characteristics apart from far away.
Technical scheme of the present invention: a kind of ultra-high frequency RFID label of anti-metal is characterized in that comprising: the label dielectric members; The first ring-type antenna pattern; The first ring-type antenna medium parts; The second coil antenna pattern; The second surface of described the second coil antenna pattern from the first surface of described label dielectric members to the label dielectric members is continuous, and forms at the first surface of label dielectric members and crack; Described the first ring-type antenna pattern is to be positioned on the second coil antenna, and it is connected by coupling scheme are non-conductive with the second coil antenna; Integrated circuit (IC) chip, it is installed on the first coil antenna.
In the present invention, described the first ring-type antenna pattern is to be worked on the first ring-type antenna medium parts by etching or typography to consist of the first coil antenna.
In the present invention, described the first coil antenna is positioned at the top of the second coil antenna, and all covers head end, the tail end of the second coil antenna and the position of cracking.
In the present invention, described the first coil antenna between the second coil antenna and label dielectric members, and all with head end, the tail end of the second coil antenna and the location overlap that cracks.
In the present invention, described the first ring-type antenna part covers head end, tail end or the position of cracking of the second coil antenna.
In the present invention, described the first coil antenna is between the second coil antenna and label dielectric members, and part and head end or the tail end of the second coil antenna or the location overlap that cracks.
In the present invention, described the first coil antenna is positioned at the second coil antenna position of cracking.
In the present invention, described the first ring-type antenna medium parts material is stupalith or macromolecular material (as ABS, PC, TPU etc.) or wood materials or glass material etc.
In the present invention, described the first coil antenna is by stickup or binding or reference column is fixed or the mode of nonconductor screw or buckle is fixed on dielectric members.
In the present invention, described integrated circuit (IC) chip is ultrahigh frequency chip or with the chip of ultrahigh frequency function.
In the present invention, described label dielectric members is plate shaped, or curved surface.
In the present invention, the material of described label dielectric members is stupalith or macromolecular material (as ABS, PC, TPU etc.) or wood materials or glass material etc.
In the present invention, described label dielectric members is solid, hollow or local hollow.
In the present invention, described the first coil antenna is near field antenna;
In the present invention, described the first coil antenna and the conglobate closed antenna of chip shape, square closed antenna or the closed antenna of other shape.
In the present invention, cracking of described the second coil antenna is the seam of the parallel seam in limit, the nonparallel seam in limit or abnormity.
In the present invention, described the second coil antenna pattern is that the hybrid technique by etching or typography or etching and printing is machined in and consists of the second coil antenna on the label dielectric members.
In the present invention, described the second coil antenna pattern is to consist of the second loop antenna on the label dielectric members by metal forming is pasted on.
In the present invention, described the second coil antenna is by stickup or binding or reference column is fixed or the mode of nonconductor screw or buckle is fixed on the label dielectric members.
In the present invention, described the second coil antenna dielectric used is stupalith or macromolecular material (as ABS, PC, TPU etc.) or wood materials or glass material etc.
In the present invention, described integrated circuit (IC) chip is active or passive RFID chip, or with other chip of ultrahigh frequency function.
In the present invention, the material of described label dielectric members is single material, or the combination of various material.
What the present invention had produces effect: according to the present invention, can provide a kind of ultra-high frequency RFID label of anti-metal, this label antenna have effective reception and swept area large, gain high, can realize the characteristics of the function of remote read-write.
In addition, according to the present invention, owing to having adopted two coil antenna structures, wider frequency bandwidth can be provided, adopt the ultra-high frequency RFID label of this anti-metal of the present invention, can be applied to substrate surface widely, and guarantee that the distance of its read-write still can keep good stability.
And adopt the ultra-high frequency RFID label of a kind of anti-metal of the present invention, can be attached at metal or non-metal article surperficial, it is carried out asset management, logistics or warehousing management, line management etc.
Description of drawings
Fig. 1 is the detailed three-dimensional exploded view of RFID label of the present invention.
Fig. 2 is pasted on schematic diagram on the label dielectric members to the second coil antenna.
Fig. 3 is the schematic diagram after label of the present invention is completed assembling.
To be the present invention be installed to elevational schematic view after dielectric members to the second coil antenna to Fig. 4.
Fig. 5 is the schematic diagram that cracks of the second coil antenna.
Fig. 6 is the schematic diagram of the first coil antenna.
Fig. 7 is the schematic diagram of the different modes of the first coil antenna installation
Fig. 8 is the gain diagram of the RFID label of the first embodiment.
Fig. 9 is a kind of schematic diagram of dipole antenna of prior art.
Figure 10 is a kind of schematic diagram of monopole antenna of prior art.
Embodiment
Structure
Fig. 1 is the detailed three-dimensional exploded view of RFID label 50 of the present invention.
As shown in Fig. 1 (a), label dielectric members 51 is the dielectric-slabs that are of a size of 70x20x6mm.
As shown in Fig. 1 (b), integrated circuit (IC) chip 52 is arranged on the first coil antenna 53, consists of the near field antenna of a closed loop; What the first coil antenna adopted is the etching antenna of PET material.
As shown in Fig. 1 (c), the second coil antenna 55 adopts Copper Foil to make.
As shown in Figure 2, the second coil antenna 55 is attached on label dielectric members 51.
Label dielectric members 51 for example has specific inductive capacity 2.4, and can form with other the material of cheapness, as can use have good formability can resin material.
Fig. 3 is the schematic diagram after assembling completed of embodiments of the invention, and as shown in Figure 3, the first coil antenna 53 is glued on the second coil antenna 55, its partial coverage the second coil antenna head end, tail end and crack.
Fig. 4 is vertical view.
Fig. 5 is the schematic diagram that cracks of the second coil antenna, and as (a) of Fig. 5, it cracks is bilateral parallel, and the second coil antenna is disconnected fully; As (b) of Fig. 5, it cracks is nonparallel, and the second coil antenna is disconnected fully; As (c) of Fig. 5, it cracks and the second coil antenna is not disconnected fully; Adopted the slot opening form of Fig. 5 (a) in this example.
Fig. 6 is the schematic diagram of the first coil antenna, and as Fig. 6 (a), its antenna pattern is circular; As Fig. 6 (b), its antenna pattern is tetragonal; As Fig. 6 (c), its duplexer is special-shaped; Adopted the form of Fig. 6 (b) in this example.
Shown in Fig. 7 (a), be that the first coil antenna is to have covered cracking and two ends of the second coil antenna fully; Shown in Fig. 7 (b), be that the first coil antenna is to be positioned at cracking of the second coil antenna fully; Shown in Fig. 7 (c), be the subregion of cracking that the first coil antenna has only covered the second coil antenna, and the subregion of head end or tail end.
Adopted the first ring-type antenna form as shown in Fig. 6 (b) in this example.
Fig. 8 is the antenna gain pattern of the first embodiment.It has obtained total gain of 6dB when 915MHz, the antenna gain effect is very good.
Complete above after, ultrahigh frequency electronic tag of the present invention has the extraordinary distance of reading when carrying out asset management, line management, its readwrite performance is also highly stable.
In sum, these are only preferred embodiment of the present invention, be not the scope that limits enforcement of the present invention, all equalizations of doing according to the described shape of claim scope of the present invention, structure, feature and spirit change and modify, and all should be included in claim scope of the present invention.
Claims (22)
1. the ultra-high frequency RFID label of an anti-metal is characterized in that comprising:
The label dielectric members;
The first ring-type antenna pattern;
The first ring-type antenna medium parts;
The second coil antenna pattern, the second surface of described the second coil antenna pattern from the first surface of described label dielectric members to the label dielectric members is continuous, and forms at the first surface of label dielectric members and crack; Described the first ring-type antenna pattern is to be positioned on the second coil antenna, and it is connected with the second coil antenna is non-conductive;
Integrated circuit (IC) chip, it is installed on the first coil antenna.
2. the ultra-high frequency RFID label of anti-metal according to claim 1, is characterized in that, described the first ring-type antenna pattern is to be worked on the first ring-type antenna medium parts by etching or typography to consist of the first coil antenna.
3. the ultra-high frequency RFID label of anti-metal according to claim 1, is characterized in that, described the first coil antenna is positioned at the top of the second coil antenna, and all cover head end, the tail end of the second coil antenna and the position of cracking.
4. the ultra-high frequency RFID label of anti-metal according to claim 1, is characterized in that, described the first coil antenna between the second coil antenna and label dielectric members, and all with head end, the tail end of the second coil antenna and the location overlap that cracks.
5. the ultra-high frequency RFID label of anti-metal according to claim 1, is characterized in that, described the first ring-type antenna part covers head end, tail end or the position of cracking of the second coil antenna.
6. the ultra-high frequency RFID label of anti-metal according to claim 1, it is characterized in that, described the first coil antenna is between the second coil antenna and label dielectric members, and part and head end or the tail end of the second coil antenna or the location overlap that cracks.
7. the ultra-high frequency RFID label of anti-metal according to claim 1, is characterized in that, described the first coil antenna is positioned at the second coil antenna position of cracking.
8. the ultra-high frequency RFID label of anti-metal according to claim 1, it is characterized in that, described the first ring-type antenna medium parts material is stupalith or macromolecular material (as ABS, PC, TPU etc.) or wood materials or glass material etc.
9. the ultra-high frequency RFID label of anti-metal according to claim 2, is characterized in that, described the first coil antenna is by stickup or binding or reference column is fixed or the mode of nonconductor screw or buckle is fixed on dielectric members.
10. the ultra-high frequency RFID label of anti-metal according to claim 1, is characterized in that, described integrated circuit (IC) chip is ultrahigh frequency chip or with the chip of ultrahigh frequency function.
11. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, described label dielectric members is plate shaped, or curved surface.
12. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, the material of described label dielectric members is stupalith or macromolecular material (as ABS, PC, TPU etc.) or wood materials or glass material etc.
13. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, described label dielectric members is solid, hollow or local hollow.
14. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, described the first coil antenna is near field antenna.
15. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, described the first coil antenna and the conglobate closed antenna of chip shape, square closed antenna or the closed antenna of other shape.
16. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, cracking of described the second coil antenna is the seam of parallel seam, nonparallel seam or abnormity.
17. the ultra-high frequency RFID label of anti-metal according to claim 1, it is characterized in that, described the second coil antenna pattern is to consist of the second coil antenna by the processing of etching or typography or printing and etching hybrid technique on the label dielectric members.
18. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, described the second coil antenna pattern is to consist of the second loop antenna on the label dielectric members by metal forming is pasted on.
19. the ultra-high frequency RFID label of anti-metal according to claim 19, it is characterized in that, described the second coil antenna is by stickup or binding or reference column is fixed or the mode of nonconductor screw or buckle is fixed on the label dielectric members.
20. the ultra-high frequency RFID label of anti-metal according to claim 19, it is characterized in that, described the second coil antenna dielectric used is stupalith or macromolecular material (as ABS, PC, TPU etc.) or wood materials or glass material.
21. the ultra-high frequency RFID label of anti-metal according to claim 10 is characterized in that, described integrated circuit (IC) chip is active or passive RFID chip, or with other chip of ultrahigh frequency function.
22. the ultra-high frequency RFID label of anti-metal according to claim 1 is characterized in that, the material of described label dielectric members is single material, or the combination of various material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104221531A CN103164735A (en) | 2011-12-16 | 2011-12-16 | Metal-resistant super-high frequency radio frequency identification device (RFID) label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104221531A CN103164735A (en) | 2011-12-16 | 2011-12-16 | Metal-resistant super-high frequency radio frequency identification device (RFID) label |
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| CN103164735A true CN103164735A (en) | 2013-06-19 |
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| CN2011104221531A Pending CN103164735A (en) | 2011-12-16 | 2011-12-16 | Metal-resistant super-high frequency radio frequency identification device (RFID) label |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752809A (en) * | 2015-02-05 | 2015-07-01 | 北京邮电大学 | Radio frequency identification tag antenna |
| CN106022436A (en) * | 2016-05-12 | 2016-10-12 | 安徽晶太信息科技有限公司 | Butterfly transponder and production method thereof |
| CN106297545A (en) * | 2016-08-11 | 2017-01-04 | 田艺儿 | The clothing of a kind of RFID radio frequency recognition function are listed |
| WO2018027709A1 (en) * | 2016-08-11 | 2018-02-15 | 田艺儿 | Garment tag with rfid radio frequency identification function |
| CN108510040A (en) * | 2017-02-27 | 2018-09-07 | 中国钢铁股份有限公司 | Wireless radio frequency identification mark and use its label paper product |
| CN109159506A (en) * | 2018-07-27 | 2019-01-08 | 中国人民解放军陆军装甲兵学院 | A kind of flexibility UHF RFID anti-metal tag |
| CN112766447A (en) * | 2021-01-13 | 2021-05-07 | 江苏科睿坦电子科技有限公司 | Ultrahigh frequency RFID (radio frequency identification) tag with variable performance |
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| CN201845353U (en) * | 2010-06-28 | 2011-05-25 | 上海铁勋智能识别系统有限公司 | Metal-resistant ultrahigh-frequency electronic tag consisting of stacked antenna |
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| CN102194143A (en) * | 2010-03-11 | 2011-09-21 | 株式会社日立制作所 | RFID tag and its manufacture method |
| CN102236815A (en) * | 2010-04-26 | 2011-11-09 | 永奕科技股份有限公司 | Radio frequency identification label module, container and structure for stacking containers |
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Patent Citations (5)
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| CN102073899A (en) * | 2009-11-20 | 2011-05-25 | 富士通株式会社 | Wireless tag |
| CN102194143A (en) * | 2010-03-11 | 2011-09-21 | 株式会社日立制作所 | RFID tag and its manufacture method |
| CN201654827U (en) * | 2010-04-26 | 2010-11-24 | 永奕科技股份有限公司 | Radio frequency identification tag module, container and stacked containers structure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752809A (en) * | 2015-02-05 | 2015-07-01 | 北京邮电大学 | Radio frequency identification tag antenna |
| CN106022436A (en) * | 2016-05-12 | 2016-10-12 | 安徽晶太信息科技有限公司 | Butterfly transponder and production method thereof |
| CN106297545A (en) * | 2016-08-11 | 2017-01-04 | 田艺儿 | The clothing of a kind of RFID radio frequency recognition function are listed |
| WO2018027709A1 (en) * | 2016-08-11 | 2018-02-15 | 田艺儿 | Garment tag with rfid radio frequency identification function |
| CN108510040A (en) * | 2017-02-27 | 2018-09-07 | 中国钢铁股份有限公司 | Wireless radio frequency identification mark and use its label paper product |
| CN109159506A (en) * | 2018-07-27 | 2019-01-08 | 中国人民解放军陆军装甲兵学院 | A kind of flexibility UHF RFID anti-metal tag |
| CN109159506B (en) * | 2018-07-27 | 2020-11-24 | 中国人民解放军陆军装甲兵学院 | Flexible UHF RFID anti-metal label |
| CN112766447A (en) * | 2021-01-13 | 2021-05-07 | 江苏科睿坦电子科技有限公司 | Ultrahigh frequency RFID (radio frequency identification) tag with variable performance |
| CN112766447B (en) * | 2021-01-13 | 2021-09-24 | 江苏科睿坦电子科技有限公司 | Ultrahigh frequency RFID (radio frequency identification) tag with variable performance |
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Application publication date: 20130619 |