CN106785398A - A kind of miniaturization hyperfrequency anti-metal paster antenna suitable on metal object - Google Patents
A kind of miniaturization hyperfrequency anti-metal paster antenna suitable on metal object Download PDFInfo
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- CN106785398A CN106785398A CN201611223156.1A CN201611223156A CN106785398A CN 106785398 A CN106785398 A CN 106785398A CN 201611223156 A CN201611223156 A CN 201611223156A CN 106785398 A CN106785398 A CN 106785398A
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- metal
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- millimeters
- radiating element
- antenna
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- 239000002184 metal Substances 0.000 title claims abstract description 105
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 105
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 230000003071 parasitic effect Effects 0.000 claims abstract description 29
- 238000005336 cracking Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The invention discloses a kind of anti-metal paster antenna for minimizing hyperfrequency, including dielectric layer, and it is arranged on the metal patch shape radiating element on dielectric layer, dielectric layer is slim cuboid dielectric-slab, and the parasitic couplings metal patch that two couple by main radiating element and two ends of the metal patch radiating element is symmetrical is constituted；At the feed of main radiating element, there is a via to be connected to metal object surface through dielectric layer, treatment of cracking is carried out in main radiating element, by the symmetrical gap size for adjusting main radiating element, reach the purpose of tuned antenna input impedance characteristic, the present invention is easy to antenna performance impedance matching, and bandwidth and good gain wider is effectively obtained when can use on a metal object；Simple structure, the technique being easy to implement；It is with low cost, it is ensured that antenna has both good electric and mechanical performance.
Description
Technical field
The present invention relates to a kind of anti-metal paster antenna for minimizing hyperfrequency, belong to mobile communication compartment system day
The technical field of line.
Background technology
Continuing to develop for radio frequency identification (RFID) technology, requirement higher is proposed to label antenna.REID
As the basis of the new and high technology and information standardization of quick, real-time, accurate acquisition and processing information, in producing and selling, logistics
Quick accurately management can be carried out for the flowing of personnel and article Deng the industry-by-industry RFID technique that has a wide range of applications, from
And improve the operation level of logistics supply chain.
In the numerous applications of RFID, there is RFID label tag to be in many cases covered in metallic conductor surface, or near one
The preferable object of a little electric conductivity.Such as container surface, surface of vehicle.When common label antenna directly applies to metal surface,
Due to being influenceed by metal boundary, its performance occurs a certain degree of decline.And most of UHF (hyperfrequency) frequency ranges
RFID label antenna is dipole form or changes from dipole form and come.So with general dipole day
Line characteristic, dipole antenna has obvious performance when the position of the high conductivity materials such as metalloid, water is positioned proximal to
Degenerate.
Therefore, common anti-metal RFID label tag also has much needs perfect place, and summing up mainly has following several
Individual aspect：
1. anti-metal ability, is not influenceed by metal boundary condition.Label has in different size of metal object surface
The performance of stabilization.
2. performance and distance is read, it is that label has reading distance farther out that the advantage of super high frequency technique is.Therefore, resist
Metal label can not be cost to sacrifice reading distance.
3. directionality, preferably hemisphere has omnidirectional's characteristic on the metal surface, and such reader can in different angles
Accurately read label.
4. size, in order to meet practical application the need for, it is desirable to the area of label antenna is as small as possible, and thickness to the greatest extent may be used
Can be thin.
5. with low cost, one side with low cost requires that the material of label is cheap, on the other hand requires the processing system of antenna
Make process is simple.The simple of the processing technology thereof of antenna then requires that antenna has simple planar structure.
In this case it is necessary to a kind of performance more preferably, directionality more preferable, smaller anti-metal paster antenna solves
Certainly these problems.And needing the antenna to be used in rfid system namely will can cover 908MHZ~928MHZ frequently
Rate scope, requires S11 less than -10dB in frequency range, and directional diagram stabilization, gain meets requirement.
The content of the invention
The technical problems to be solved by the invention are, not easy processing oversized for anti-metal tag antenna oscillator,
Relatively costly shortcoming, proposes that a kind of simple structure is novel, working band is reasonable, be particularly easy to the anti-metal tag of impedance matching
Antenna.
The present invention uses following technical scheme to solve above technical problem：
A kind of anti-metal paster antenna for minimizing hyperfrequency, including dielectric layer, and it is arranged on the metal on dielectric layer
Paster shape radiating element, dielectric layer is slim cuboid dielectric-slab, and the metal patch shape radiating element is by middle primary radiation
The symmetrical parasitic couplings metal patch composition of two couple at unit and two ends；At feed, there is a via to be connected to through dielectric layer
Metal object surface.By treatment regulation impedance of cracking, two symmetrical to post for the left and right sides of the main radiating element of the centre
One fixed width is kept between raw coupled radiation unit and the main radiating element of center section, so as to obtain the suitable coefficient of coup, is returned
It is the riding position of chip at shape feed element feed, a side of the back-shaped feed element is by metallic vias through Jie
Matter layer is connected to metal surface.
The anti-metal paster antenna of miniaturization hyperfrequency of the invention, the anti-metal paster antenna of the miniaturization hyperfrequency
Total length in the range of 45-50 millimeters, width is in the range of 24-28 millimeters.
The anti-metal paster antenna of miniaturization hyperfrequency of the invention, the length of the back-shaped feed element of metal is in 12-
In the range of 14 millimeters, width is in the range of 4-6 millimeters.
The anti-metal paster antenna of miniaturization hyperfrequency of the invention, the length of the main radiating element of the centre is in 20-
In the range of 25 millimeters, width is in the range of 24-28 millimeters.
The anti-metal paster antenna of miniaturization hyperfrequency of the invention, the metal patch of the parasitic couplings radiating element is long
In the range of 10-15 millimeters, width is in the range of 7-12 millimeters to degree.
The present invention miniaturization hyperfrequency anti-metal paster antenna, the length of the metallic vias in the range of 0-4 millimeters,
Diameter is in the range of 0-0.5 millimeters.
The anti-metal paster antenna of miniaturization hyperfrequency of the invention, the gap length L1In the range of 10-20 millimeters,
Width W1、W2In the range of 1-3 millimeters, impedance matching is obtained by adjusting these sizes.
The anti-metal paster antenna of miniaturization hyperfrequency of the invention, the medium layer height is long in the range of 0-4 millimeters
In the range of 45-50 millimeters, width is in the range of 24-28 for degree.
The technical solution adopted by the present invention has following technique effect compared with prior art：
Anti-metal tag antenna on present media layer, antenna pair metal patch shape radiating element carries out gap of cracking, and leads to
The length and width for adjusting its gap is crossed, the purpose of tuned antenna input impedance characteristic is reached, in middle main radiating element two
Side addition coupling parasitic patch, reach the purpose of widening frequency band, it have is easy to antenna performance to tune, can effectively obtain compared with
Bandwidth wide obtains advantage；Simple structure, the technique being easy to implement；It is with low cost, it is ensured that antenna have both it is good it is electric with it is mechanical
Performance.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the anti-metal paster antenna for minimizing hyperfrequency.
Fig. 2 is the schematic diagram of the installation environment of the anti-metal paster antenna for minimizing hyperfrequency.
Fig. 3 is the S of the anti-metal paster antenna for minimizing hyperfrequency11Performance plot.
0 ° and 90 ° of antenna patterns when Fig. 4 is the 915MHz of the anti-metal paster antenna for minimizing hyperfrequency.
Fig. 5 be minimize 915MHz and 0 ° of anti-metal paster antenna of hyperfrequency be placed in 200mmx200mm and
Antenna pattern on 400mmx400mm metallic plates.
Fig. 6 be minimize 915MHz and 90 ° of anti-metal paster antenna of hyperfrequency be placed in 200mmx200mm and
Antenna pattern on 400mmx400mm metallic plates.
To become apparent from illustrating the structure of antenna, Fig. 7 ties the three-dimensional of anti-metal paster antenna of the miniaturization hyperfrequency of Fig. 1
Metal patch part in structure schematic diagram is labeled as being dispersed with the part of point-like figure.
Label in figure：1- dielectric layers；The back-shaped feed elements of 2-；3- main radiating elements；4- the first parasitic couplings metal patches；
5- the second parasitic couplings metal patches；8- metallic vias；9- gaps；10- chips；11- fixing nuts；12- metal objects.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
The invention discloses a kind of anti-metal paster antenna for minimizing hyperfrequency, including dielectric layer 1, and it is arranged on Jie
Metal patch shape radiating element on matter layer 1, the dielectric layer 1 is slim cuboid dielectric-slab, the metal patch shape radiation
Unit locates reason a pair of slits 9 by cracking and is divided into the main radiating element 3 at middle part and the parasitic couplings radiating element at two ends, institute
The parasitic couplings radiating element stated is included in the first symmetrical two-by-two parasitic couplings metal patch 4 of left and right and the second parasitic couplings gold
Category paster 5；Back-shaped feed element 2 is referred to as by the rectangle that bonding jumper forms closing in center of the main radiating element 3 against base,
The rectangular aperture that the outside of the back-shaped feed element 2 is connected by three is surrounded, and the inner rectangular part of back-shaped feed element 2 is not
If metal patch；Chip 10 is additionally provided with the back-shaped feed element 2；At the feed of primary radiation metal patch, a gold medal is provided with
Category via 8 is used to be connected to metal object surface through dielectric layer 1.
Preferably, the segmentation main radiating element 3, the first parasitic couplings metal patch 4 and the second parasitic couplings
The symmetrical two ends of main radiating element 3 that are distributed in of a pair of slits 9 of metal patch 5 are in two " ten " fonts.
Preferably, the antenna by adjust segmentation main radiating element 3, the first parasitic couplings metal patch 4 and
The size in the gap 9 of the second parasitic couplings metal patch 5, i.e., by adjusting the length L of its transverse slot1And width W1And its
The width W in vertical gap2Impedance matching is obtained, the purpose of tuned antenna input impedance characteristic is reached.
Preferably, the total length L of the anti-metal paster antenna of the miniaturization hyperfrequency is in 45-50 millimeters of scope
Interior, width is in the range of 24-28 millimeters.
Preferably, in the range of 12-14 millimeters, width b is in 4-6 for the length a of the back-shaped feed element 2 of the metal
In the range of millimeter.
Preferably, in the range of 20-25 millimeters, width d is at 24-28 millimeters for the length c of the main radiating element 3
In the range of.
Preferably, each described first parasitic couplings metal patch 4 of composition and the second parasitic couplings metal patch 5
Metal patch be shape identical rectangle, in the range of 10-15 millimeters, width f is in the range of 7-12 millimeters for its length e.
Preferably, the metallic vias 8 are at the back-shaped feed element 2, its length H in the range of 0-4 millimeters,
In the range of 0-0.5 millimeters, the chip 10 is located at the base of back-shaped feed element 2 center for diameter.
Preferably, the length L of the transverse slot of the gap 91In the range of 10-20 millimeters, the width of transverse slot
Degree W1And the width W in vertical gap2In the range of 1-3 millimeters.
Preferably, in the range of 45-50 millimeters, width is in the range of 24-28 for the length of the dielectric layer 1.
Embodiment one
The invention discloses a kind of anti-metal paster antenna for minimizing hyperfrequency, including dielectric layer 1, dielectric layer 1 is thin
Type cuboid dielectric-slab, and the metal patch shape radiating element on dielectric layer 1 is arranged on, carry out place of cracking in radiating element
Reason, the two ends of the main radiating element 3 of center section are two pairs of symmetrical parasitic couplings metal patches；In the feedback of main radiating element 3
At electricity, there is a via 8 to be connected to metal object surface through dielectric layer 1, via 8 is cylinder metal.
With reference to Fig. 1, Fig. 2, the anti-metal paster antenna of the miniaturization hyperfrequency can be by the fixing nut 11 of connection
It is directly installed on the surface of metal object 12.
Concrete example：When relevant parameter is (unit mm)：The total length L of anti-metal paster antenna for minimizing hyperfrequency is
45；The length L of the transverse slot of gap 91It is 19, transverse slot width W1=1.4, vertical gap width W2It is 1.3；Primary radiation list
The length c of unit 3 is 23, and width d is 24；The length H of metallic vias 8 is 3；First parasitic couplings metal patch 4 and second is parasitic
The width f for coupling the metal patch of metal patch 5 is 7.2
Control accompanying drawing 3, gives the S11 of the anti-metal paster antenna that hyperfrequency is minimized in 900MHz-930MHz frequency ranges
Characteristic.It can be seen that antenna has excellent matching properties in 902MHz~928MHz frequency ranges.Existing rfid system is completely covered
Working frequency range.
Control accompanying drawing 4, sets forth the antenna pattern of 0 degree and 90 degree of antenna on 915MHz frequencies, it is seen that antenna
With typical directional radiation properties.
Control accompanying drawing 5, Fig. 6, sets forth the antenna on 915MHz frequencies in different 200mmx200mm and 400mm
With the antenna pattern on 400mm size metallic plates, it is seen that antenna has the characteristic suitable for different size metal object.
There is performance to be easy to tuning to minimize the anti-metal paster antenna of hyperfrequency, and small volume, working band are wide, orient spoke
The features such as penetrating, and simple, low processing cost is realized, therefore it is expected popularization and application in rfid system, so as to have very
Wide application prospect.
Claims (10)
1. it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that including dielectric layer (1), and be arranged on Jie
Metal patch shape radiating element in matter layer (1), the dielectric layer (1) is slim cuboid dielectric-slab, the metal patch shape
Radiating element is divided into the main radiating element (3) at middle part and the parasitic couplings spoke at two ends by place's reason a pair of slits (9) of cracking
Penetrate unit, described parasitic couplings radiating element is included in the first symmetrical two-by-two parasitic couplings metal patch (4) of left and right and the
Two parasitic couplings metal patches (5)；Claimed by the rectangle that bonding jumper forms closing in center of the main radiating element (3) against base
It is back-shaped feed element (2) that the outside of the back-shaped feed element (2) is surrounded by three connected rectangular apertures, back-shaped feed
Unit (2) inner rectangular part does not set metal patch；Chip (10) is additionally provided with the back-shaped feed element (2)；In primary radiation
At the feed of unit (3) metal patch, a metallic vias (8) are provided with through dielectric layer (1).
2. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that the segmentation
A pair of slits (9) of main radiating element (3), the first parasitic couplings metal patch (4) and the second parasitic couplings metal patch (5) is left
The right side is symmetrically distributed in main radiating element (3) two ends in two " ten " fonts.
3. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that the antenna
By adjusting segmentation main radiating element (3), the first parasitic couplings metal patch (4) and the second parasitic couplings metal patch (5)
The size in gap (9) obtains impedance matching, reaches the purpose of tuned antenna input impedance characteristic.
4. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that it is described small-sized
Change the total length L of anti-metal paster antenna of hyperfrequency in the range of 45-50 millimeters, width is in the range of 24-28 millimeters.
5. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that the metal
In the range of 12-14 millimeters, width b is in the range of 4-6 millimeters for the length a of back-shaped feed element (2).
6. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that the main spoke
The length c of unit (3) is penetrated in the range of 20-25 millimeters, width d is in the range of 24-28 millimeters.
7. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that each composition
The metal patch of the first parasitic couplings metal patch (4) and the second parasitic couplings metal patch (5) is shape identical square
Shape, in the range of 10-15 millimeters, width f is in the range of 7-12 millimeters for its length e.
8. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that the metal
Via (8) located at back-shaped feed element (2) place, its length H in the range of 0-4 millimeters, diameter in the range of 0-0.5 millimeters, institute
Chip (10) is stated located at back-shaped feed element (2) base center.
9. it is according to claim 2 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that the gap
(9) the length L of transverse slot1In the range of 10-20 millimeters, the width W of transverse slot1And the width W in vertical gap2In 1-3
In the range of millimeter.
10. it is according to claim 1 it is a kind of minimize hyperfrequency anti-metal paster antenna, it is characterised in that given an account of
In the range of 45-50 millimeters, width is in the range of 24-28 for matter layer (1) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223156.1A CN106785398A (en) | 2016-12-27 | 2016-12-27 | A kind of miniaturization hyperfrequency anti-metal paster antenna suitable on metal object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223156.1A CN106785398A (en) | 2016-12-27 | 2016-12-27 | A kind of miniaturization hyperfrequency anti-metal paster antenna suitable on metal object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785398A true CN106785398A (en) | 2017-05-31 |
Family
ID=58927147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611223156.1A Pending CN106785398A (en) | 2016-12-27 | 2016-12-27 | A kind of miniaturization hyperfrequency anti-metal paster antenna suitable on metal object |
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| CN (1) | CN106785398A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232467A (en) * | 2017-12-20 | 2018-06-29 | 深圳市航天华拓科技有限公司 | Micro-strip Quasi-Yagi antenna |
| CN108461899A (en) * | 2018-02-02 | 2018-08-28 | 睿芯联科（北京）电子科技有限公司 | A kind of hyperfrequency vehicle electron identifying antenna |
| CN109841951A (en) * | 2019-01-16 | 2019-06-04 | 北京科技大学 | SF single feed axial ratio bandwidth enhances circular polarization microstrip antenna |
| CN110141199A (en) * | 2019-06-20 | 2019-08-20 | 南京邮电大学 | A kind of vagrant animal intelligent management system |
| WO2020220878A1 (en) * | 2019-04-29 | 2020-11-05 | 深圳市通用测试系统有限公司 | Multiple-antenna wireless device radio interface testing apparatus |
| CN112736431A (en) * | 2020-12-25 | 2021-04-30 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
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| KR20090060105A (en) * | 2007-12-06 | 2009-06-11 | 한국전자통신연구원 | Radio frequency identification tag and antenna for radio frequency identification tag |
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| CN206293614U (en) * | 2016-12-27 | 2017-06-30 | 南京邮电大学 | A kind of miniaturization hyperfrequency anti-metal paster antenna suitable on metal object |
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2016
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232467A (en) * | 2017-12-20 | 2018-06-29 | 深圳市航天华拓科技有限公司 | Micro-strip Quasi-Yagi antenna |
| CN108232467B (en) * | 2017-12-20 | 2021-02-12 | 深圳市航天华拓科技有限公司 | Microstrip quasi-yagi antenna |
| CN108461899A (en) * | 2018-02-02 | 2018-08-28 | 睿芯联科（北京）电子科技有限公司 | A kind of hyperfrequency vehicle electron identifying antenna |
| CN109841951A (en) * | 2019-01-16 | 2019-06-04 | 北京科技大学 | SF single feed axial ratio bandwidth enhances circular polarization microstrip antenna |
| WO2020220878A1 (en) * | 2019-04-29 | 2020-11-05 | 深圳市通用测试系统有限公司 | Multiple-antenna wireless device radio interface testing apparatus |
| CN110141199A (en) * | 2019-06-20 | 2019-08-20 | 南京邮电大学 | A kind of vagrant animal intelligent management system |
| CN112736431A (en) * | 2020-12-25 | 2021-04-30 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| CN112736431B (en) * | 2020-12-25 | 2023-12-12 | Oppo广东移动通信有限公司 | Antenna device and electronic equipment |
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