CN102509854A - UHF (ultra high frequency) RFID (radio frequency identification) electronic tag antenna with wide frequency band - Google Patents
UHF (ultra high frequency) RFID (radio frequency identification) electronic tag antenna with wide frequency band Download PDFInfo
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- CN102509854A CN102509854A CN2011103095194A CN201110309519A CN102509854A CN 102509854 A CN102509854 A CN 102509854A CN 2011103095194 A CN2011103095194 A CN 2011103095194A CN 201110309519 A CN201110309519 A CN 201110309519A CN 102509854 A CN102509854 A CN 102509854A
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Abstract
The invention discloses a UHF (ultra high frequency) RFID (radio frequency identification) electronic tag antenna with a wide frequency band. The antenna comprises an antenna pattern and a medium base plate, wherein the antenna pattern comprises a folding part, a bending part and a T-shaped impedance matching structure; the folding part is distributed in a bilateral symmetrical mode and is of a right-angle U shape which is horizontally inverted inwardly; the U-shaped short edges of the folding part are connected with the bending part; the bending part is distributed in a bilateral symmetrical mode and consists of three connected right-angle U shapes; the bending part is connected with the T-shaped impedance matching structure; and the T-shaped impedance matching structure is of a non-closed square shape. The UHF RFID electronic tag antenna with the wide frequency band realizes wide frequency, and can be simultaneously used in North American and European districts; the T-shaped impedance matching structure is introduced so as to be convenient for matching of the antenna and a chip; the adjustable range of a real part is 1-150 ohm, the adjustable range of a virtual part is 1-280 ohm; and the folding structure is adopted, so as to greatly increase the virtual part of the antenna, and the folding and bending structures are adopted so as to reduce the size of the antenna, thereby realizing the miniaturization.
Description
Technical field
The present invention relates to a kind of electronic label antenna, belong to field of electronic devices.
Background technology
Electronic label antenna adopts difficulty of tradition bending dipole impedance matching, and bandwidth is narrower, because the UHF standard of the UHF standard in Europe, North America is different, and generally requires the bandwidth of antenna preferably can all cover the frequency range in these two areas in the reality.
Summary of the invention
The technical problem that the present invention will solve is to overcome existing defective, and a kind of wide band UHF RFID electronic label antenna is provided, and can cover two main regional frequency ranges, and realizes the miniaturization of antenna size.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of wide band UHF RFID electronic label antenna; Comprise antenna pattern and medium substrate; Antenna pattern comprises amounts to part, bending part, the anti-matching structure of T form drag, is followed successively by from outside to inside and amounts to part, bending part, the anti-matching structure of T form drag, and the said part left-right symmetric of amounting to distributes; Be flat to the inside right angle U-shaped, and two edge lengths of U-shaped are different; The said part U-shaped minor face of amounting to connects bending part, and said bending part left-right symmetric distributes, and left and right sides bending part is made up of 3 continuous right angle U-shapeds respectively, and the right angle U-shaped between wherein is for being inverted the anti-matching structure of left and right sides bending part connection T form drag; The anti-matching structure of said T form drag is inc square shape, and its bottom is connected with bending part, and a breach is arranged in the middle of the last base.
Further, the height of amounting to part is 10-18mm, and long hem width degree is 20-34mm.
Further, the bending part width is 4-12mm, and the degree of depth is 4-12mm.
Further, the anti-matching structure length of T form drag is 10-20mm, and width is 3-8mm, and gap width is 1.5-2.5mm.
Further, the antenna pattern live width is 0.5-2mm.
Further, antenna is etched on the polyester PET substrate that covers aluminium or copper, perhaps directly is printed on the insulated substrate with the silver slurry, and metal layer thickness is 13-150 μ m.
Further, the relative dielectric constant of medium substrate is 2-10, and the thickness of dielectric-slab is 0.05-0.6mm.
A kind of wide band UHF RFID electronic label antenna of the present invention; Operating frequency range (850MHZ-970MHZ) has been contained main two critical fields (860-870MHZ in Europe and the 910MHZ-920MHZ of North America) of RFID; Realized wideband, can use in North America and European Region simultaneously.Introduce the anti-matching structure of T form drag, be convenient to realize the coupling of antenna and chip; The real part adjustable extent is 1-150 Europe, and the imaginary part adjustable extent is 1-280 Europe.Owing to adopted Folding structure, can increase the imaginary part of antenna greatly, thereby realize and the good coupling of chip, adopt and amount to and bending structure, reduced antenna size, realized miniaturization.The present invention is simple in structure, and processing easily makes cost reduce.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of wide band UHF RFID electronic label antenna of the present invention;
Fig. 2 is the antenna S11 figure that adopts a chip of NXP (30-160 Europe);
Wherein, X1=0.76GHz, Y1=-9.92; X2=0.91GHz, Y1=-31.98; X3=0.94GHz, Y3=-10.49;
Fig. 3 is the impedance diagram that adopts a chip of NXP (30-160 Europe);
Fig. 4 a is the gain diagram that adopts a chip of NXP (30-160 Europe),
Fig. 4 b is the gain diagram contrast chart that adopts a chip of NXP (30-160 Europe).
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Embodiment one
Amount to part, left and right sides bending part 4, the anti-matching structure 5 of T form drag about antenna pattern comprises, be followed successively by from outside to inside and amount to part, bending part 4, the anti-matching structure 5 of T form drag.
Amount to the part left-right symmetric and distribute, be flat to the inside right angle U-shaped, and two edge lengths of U-shaped are different, long limit 3 length are elected 30mm as, amount to the length of the broadside 2 of part and elect 15mm as, amount to part U-shaped minor face and connect bending part 4.
Bending part 4 left-right symmetric distribute, and left and right sides bending part 4 is made up of 3 continuous right angle U-shapeds respectively, and the right angle U-shaped between wherein is inversion, and bending part 4 width are elected 8mm as, and the degree of depth is elected 8mm as.Left and right sides bending part connects the anti-matching structure 5 of T form drag.
The anti-matching structure 5 of T form drag is inc square shape, and its bottom is connected with bending part, and a breach 6 is arranged in the middle of the last base.Anti-matching structure 5 length of T form drag are elected 15mm as, and width is elected 6mm as, and breach 6 length are 2mm.
The antenna pattern live width is elected 1mm as.Antenna is etched on the polyester PET substrate that covers aluminium or copper, and metal layer thickness is elected 100 μ m as.The relative dielectric constant of medium substrate 1 is 5, and thickness is 0.4mm.
The anti-matching structure 5 of T form drag mainly is used for adjusting the impedance of antenna, especially can increase considerably the imaginary part of antenna, and the amplitude of adjustment is relevant with the area that it is enclosed, and area is big more, and the impedance of antenna is big more; Otherwise the impedance of antenna is more little.Breach 6 in the middle of the anti-matching structure 5 of T form drag is used for being connected with the chip module.
Embodiment two
The difference of present embodiment and embodiment one is: antenna is etched on the polyester PET substrate that covers copper.
Embodiment three
The difference of present embodiment and embodiment one is: antenna directly is printed on the insulated substrate with the silver slurry.
A kind of wide band UHF RFID electronic label antenna of the present invention; Operating frequency range (850MHZ-970MHZ) has been contained main two critical fields (860-870MHZ in Europe and the 910MHZ-920MHZ of North America) of RFID; Realized wideband, can use in North America and European Region simultaneously.Introduce the anti-matching structure of T form drag, be convenient to realize the coupling of antenna and chip; The real part adjustable extent is 1-150 Europe, and the imaginary part adjustable extent is 1-280 Europe.Owing to adopted Folding structure, can increase the imaginary part of antenna greatly, thereby realize and the good coupling of chip, adopt and amount to and bending structure, reduced antenna size, realized miniaturization.The present invention is simple in structure, and processing easily makes cost reduce.
The above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. wide band UHF RFID electronic label antenna; Comprise antenna pattern and medium substrate; It is characterized in that: antenna pattern comprises amounts to part, bending part, the anti-matching structure of T form drag, is followed successively by from outside to inside and amounts to part, bending part, the anti-matching structure of T form drag
The said part left-right symmetric of amounting to distributes, and be flat to the inside right angle U-shaped, and two edge lengths of U-shaped is different;
The said part U-shaped minor face of amounting to connects bending part, and said bending part left-right symmetric distributes, and left and right sides bending part is made up of 3 continuous right angle U-shapeds respectively, and the right angle U-shaped between wherein is for being inverted the anti-matching structure of left and right sides bending part connection T form drag;
The anti-matching structure of said T form drag is inc square shape, and its bottom is connected with bending part, and a breach is arranged in the middle of the last base.
2. said a kind of wide band UHF RFID electronic label antenna according to claim 1 is characterized in that: the height of amounting to part is 10-18mm, and long hem width degree is 20-34mm.
3. said a kind of wide band UHF RFID electronic label antenna according to claim 1, it is characterized in that: the bending part width is 4-12mm, the degree of depth is 4-12mm.
4. said a kind of wide band UHF RFID electronic label antenna according to claim 1, it is characterized in that: the anti-matching structure length of T form drag is 10-20mm, and width is 3-8mm, and gap width is 1.5-2.5mm.
5. said a kind of wide band UHF RFID electronic label antenna according to claim 1, it is characterized in that: said antenna pattern live width is 0.5-2mm.
6. said a kind of wide band UHF RFID electronic label antenna according to claim 1; It is characterized in that: said antenna is etched on the polyester PET substrate that covers aluminium or copper; Perhaps directly be printed on the insulated substrate with the silver slurry, metal layer thickness is 13-150 μ m.
7. said a kind of wide band UHF RFID electronic label antenna according to claim 1, it is characterized in that: the relative dielectric constant of medium substrate is 2-10, the thickness of dielectric-slab is 0.05-0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103095194A CN102509854A (en) | 2011-10-12 | 2011-10-12 | UHF (ultra high frequency) RFID (radio frequency identification) electronic tag antenna with wide frequency band |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103095194A CN102509854A (en) | 2011-10-12 | 2011-10-12 | UHF (ultra high frequency) RFID (radio frequency identification) electronic tag antenna with wide frequency band |
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| CN102509854A true CN102509854A (en) | 2012-06-20 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253301A (en) * | 2013-06-27 | 2014-12-31 | 深圳市金溢科技股份有限公司 | Antenna and electronic tag |
| CN105140632A (en) * | 2015-07-06 | 2015-12-09 | 中南大学 | Inductively coupled feed bending dipole RFID (radio frequency identification) tag antenna |
| CN105703051A (en) * | 2016-04-13 | 2016-06-22 | 中国计量大学 | Ultrahigh frequency RFID antenna integrated to PCB |
| CN107968251A (en) * | 2017-11-22 | 2018-04-27 | 深圳市盛路物联通讯技术有限公司 | Multifrequency antenna |
| CN108321496A (en) * | 2018-01-31 | 2018-07-24 | 广州市宝绅纸塑有限公司 | A kind of broadband RFIDnt ultra-high frequency antenna |
| JP2018160736A (en) * | 2017-03-22 | 2018-10-11 | トッパン・フォームズ株式会社 | Non-contact data transceiving object |
| CN109742528A (en) * | 2019-01-03 | 2019-05-10 | 南京南瑞微电子技术有限公司 | A kind of broadband RF ID label preparation antenna structure |
| CN110137678A (en) * | 2019-04-18 | 2019-08-16 | 宁波大学 | A kind of voltage-multiplying type radio frequency RECTIFYING ANTENNA |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005066889A1 (en) * | 2003-12-23 | 2005-07-21 | 3M Innovative Properties Company | Ultra high frequency radio frequency identification tag |
| US20070200708A1 (en) * | 2006-02-24 | 2007-08-30 | Kosuke Hayama | Loop antenna and RFID tag |
| CN201518348U (en) * | 2009-06-12 | 2010-06-30 | 航天信息股份有限公司 | RFID superfrequency label antenna and circuit using the antenna |
| CN201927700U (en) * | 2010-12-01 | 2011-08-10 | 华中科技大学 | Dipole antenna and RFID tag using same |
-
2011
- 2011-10-12 CN CN2011103095194A patent/CN102509854A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005066889A1 (en) * | 2003-12-23 | 2005-07-21 | 3M Innovative Properties Company | Ultra high frequency radio frequency identification tag |
| US20070200708A1 (en) * | 2006-02-24 | 2007-08-30 | Kosuke Hayama | Loop antenna and RFID tag |
| CN201518348U (en) * | 2009-06-12 | 2010-06-30 | 航天信息股份有限公司 | RFID superfrequency label antenna and circuit using the antenna |
| CN201927700U (en) * | 2010-12-01 | 2011-08-10 | 华中科技大学 | Dipole antenna and RFID tag using same |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253301A (en) * | 2013-06-27 | 2014-12-31 | 深圳市金溢科技股份有限公司 | Antenna and electronic tag |
| CN105140632A (en) * | 2015-07-06 | 2015-12-09 | 中南大学 | Inductively coupled feed bending dipole RFID (radio frequency identification) tag antenna |
| CN105140632B (en) * | 2015-07-06 | 2018-09-21 | 中南大学 | A kind of bending Dipole RFID Tag Antenna inductively fed |
| CN105703051A (en) * | 2016-04-13 | 2016-06-22 | 中国计量大学 | Ultrahigh frequency RFID antenna integrated to PCB |
| JP2018160736A (en) * | 2017-03-22 | 2018-10-11 | トッパン・フォームズ株式会社 | Non-contact data transceiving object |
| CN107968251A (en) * | 2017-11-22 | 2018-04-27 | 深圳市盛路物联通讯技术有限公司 | Multifrequency antenna |
| CN108321496A (en) * | 2018-01-31 | 2018-07-24 | 广州市宝绅纸塑有限公司 | A kind of broadband RFIDnt ultra-high frequency antenna |
| CN109742528A (en) * | 2019-01-03 | 2019-05-10 | 南京南瑞微电子技术有限公司 | A kind of broadband RF ID label preparation antenna structure |
| CN109742528B (en) * | 2019-01-03 | 2020-07-03 | 南京杰思微电子技术有限公司 | Broadband RFID label printed antenna structure |
| CN110137678A (en) * | 2019-04-18 | 2019-08-16 | 宁波大学 | A kind of voltage-multiplying type radio frequency RECTIFYING ANTENNA |
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Application publication date: 20120620 |