CN108306096A - A kind of anti-metal tag antenna and the electronic labelling system comprising the antenna - Google Patents
A kind of anti-metal tag antenna and the electronic labelling system comprising the antenna Download PDFInfo
- Publication number
- CN108306096A CN108306096A CN201710022535.2A CN201710022535A CN108306096A CN 108306096 A CN108306096 A CN 108306096A CN 201710022535 A CN201710022535 A CN 201710022535A CN 108306096 A CN108306096 A CN 108306096A
- Authority
- CN
- China
- Prior art keywords
- metal layer
- metal
- tag antenna
- interconnecting piece
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- 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
Abstract
Embodiment of the present invention provides a kind of anti-metal tag antenna, including：The first metal layer, second metal layer, interconnecting piece, dielectric layer are arranged fluted in the first metal layer；Wherein, the first metal layer is oppositely arranged by the interconnecting piece and the second metal layer, so that the first electric current that the radiant section of the first metal layer generates flows into the second metal layer by the interconnecting piece, the second metal layer is opposite with first current direction because of the second electric current that electromagnetic induction generates, second electric current is with the first electric current because direction is mutually cancelled out each other instead, so that having good effect when anti-metal tag antenna pastes on the metal surface, with good anti-metal effect, miniaturization is reached, high reliability, the purpose of low cost.
Description
Technical field
A kind of electronics mark the present invention relates to electronic tag field more particularly to anti-metal tag antenna and comprising the antenna
Label system.
Background technology
In recent years since the market radio frequency identification (Radio Frequency Identification, abbreviation RFID) is vigorously sent out
Exhibition, all kinds of products also gradually promotes the demand of RFID electronic label, and thing followed technical specification allows everybody also face
It finally challenges, the stickup material of the restricted electronic tag of conditional electronic label antenna.For metal surface, conditional electronic label day
Line, which has, cannot read problem.Conventional metals electronic tag need to improve the reading distance for pasting metal surface using wave material is inhaled,
But it can make cost increase using wave material is inhaled, therefore there is an urgent need for proposing a kind of novel anti-metal tag, it is carried without using wave material mode is inhaled
High electronic tag is in the reading distance of metal surface, raising electronic tag performance and reduces cost.
Invention content
In view of this, it is necessary to provide a kind of anti-metal tag antenna and comprising the electronic labelling system of the antenna, to carry
High electronic tag is in the reading distance of metal surface, raising electronic tag performance and reduces cost.
Embodiment of the present invention provides a kind of anti-metal tag antenna, including：
The first metal layer, for radiating or receiving electromagnetic wave, wherein the first metal layer setting is fluted；
Second metal layer is arranged in parallel with the first metal layer；
Interconnecting piece, for being electrically connected the first metal layer and second metal layer；And
Dielectric layer is set between the first metal layer and second metal layer；
Wherein, the first metal layer is oppositely arranged by the interconnecting piece and the second metal layer so that described
The first electric current that the radiant section of one metal layer generates flows into the second metal layer, second metal by the interconnecting piece
The second electric current and first current direction that layer is generated by electromagnetic induction on the contrary, second electric current and the first electric current because of direction
Mutually cancel out each other instead.
Preferably, adjustment portion is additionally provided on the interconnecting piece, the adjustment portion is electrically connected to second metal layer, for adjusting
Save the matching degree of the anti-metal tag antenna.
Preferably, the groove includes the first groove, elongated, the matching for adjusting the anti-metal tag antenna
Spend and adjust first sense of current.
Preferably, the groove includes the second groove, T-shaped, the matching degree for adjusting the anti-metal tag antenna
And adjustment first sense of current.
Preferably, the groove includes third groove, is taken the shape of the letter U, the matching degree for adjusting the anti-metal tag antenna
And adjustment first sense of current.
Embodiment of the present invention also provides a kind of electronic labelling system, including：
Label, stored tag information；
Reader, for reading the label information；And
The anti-metal tag antenna, for transmitting signal between the label and the reader.
Preferably, the label further includes male part and chip, and the male part is for receiving sending out for the reader
Radiofrequency signal, and obtain energy from the radiofrequency signal, the chip driven to send out institute by the anti-metal tag antenna
State label information.
The second electricity that anti-metal tag of the present invention is generated using the first electric current that the first metal layer generates with second metal layer
Flow the opposite characteristic in direction, induced current namely the second current segment that anti-metal tag antenna is generated close to metal base plate
It eliminates so that there is good effect when anti-metal tag antenna pastes on the metal surface, there is good anti-metal effect, reach
Miniaturization, high reliability, the purpose of low cost are arrived.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of anti-metal tag antenna of the present invention.
Fig. 2 is that the impedance-frequency relationship of one embodiment of anti-metal tag antenna of the present invention emulates schematic diagram.
Fig. 3 is the 3D radiation emulation schematic diagrames of one embodiment of anti-metal tag antenna of the present invention.
Fig. 4 is the module diagram of one embodiment of electronic labelling system of the present invention.
Main element symbol description
Anti-metal tag antenna 10
The first metal layer 110
Interconnecting piece 120
Second metal layer 130
First groove 160
Second groove 140
Third groove 150
Adjustment portion 170
Electronic labelling system 60
Reader 610
Label 620
Male part 621
Chip 622
Antenna 630
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
The design parameter of following implementation is only the present invention to be better described, but should not limit the present invention with concrete numerical value
The scope of the claims.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of 10 1 embodiment of anti-metal tag antenna of the present invention.
As shown in Figure 1, in the present embodiment, anti-metal tag antenna 10 includes the first metal layer 110, first gold medal
It can be rectangle to belong to layer 110, multiple grooves can be arranged on the first metal layer 110, to adjust anti-metal tag antenna
10 matching degree.For example, the first groove 140 can be arranged on the first metal layer 110, the first groove 160 can be strip
Shape；Second groove 140 can also be set, and the second groove 140 can be T-shaped；Third groove 150, third groove can also be set
150 can be U-shaped.In the present embodiment, the setting mesh of first groove 140, the second groove 150 and third groove 160
Be to adjust the impedance match of anti-metal tag antenna 10 and flow through current direction on the first metal layer 110, groove
Shape and the description of number be not intended to limit the present invention, it is well known that the personnel of technology can adjust groove number and
Shape, such as with the shape of upper groove other than can be for strip, T-shaped and U-shaped, can also be Y-shaped, it is rectangular, semicircle,
Round, ellipse and various bents etc., can increase or reduce in number.The anti-metal tag antenna further includes connecting
Socket part 120 and second metal layer 130.The second metal layer 130 is arranged in parallel with the first metal layer 110, the two size, shape
Can be the same, the first metal layer 110 is electrically connected with second metal layer 130 by interconnecting piece 120, interconnecting piece 120 and the first gold medal
It can be to be seamlessly connected, and interconnecting piece 120 can be metal to belong to layer 110 and second metal layer 130.In the present embodiment, described
One metal layer 110, interconnecting piece 120 and second metal layer 130 can be that a rectangle metal layer is symmetrically bent, that is to say, that
The first metal layer 110, interconnecting piece 120 and second metal layer 130 are integrated construction, and the interconnecting piece 120 is described rectangular
The symmetrical bending part after bending of shape metal, certainly, in other embodiments, interconnecting piece 120 or detachable, for example,
Screw may be used and the electrical connection that modes reach electrical connection the first metal layer 110 and second metal layer 130 such as fix, weld.Institute
It states the first metal layer 110 to be oppositely arranged by the interconnecting piece 120 and the second metal layer 130 so that first metal
The first electric current that the radiant section of layer 110 generates flows into the second metal layer 130 by the interconnecting piece 120, and described second
The second electric current that metal layer 130 is generated by electromagnetic induction is with first current direction on the contrary, second electric current is electric with first
Because direction is mutually cancelled out each other instead, the induced current that the second metal layer 130 generates will greatly reduce stream.It should illustrate herein
, in the present embodiment, the another effect of first groove 160, the second groove 140 and third groove 150 is to adjust
First sense of current of whole the first metal layer 110 so that first electric current passes through interconnecting piece 120 from the first metal layer 110
Flow to second metal layer 130.It is additionally provided with dielectric layer between the first metal layer 110 and the second metal layer 130.
Adjustment portion 170 is additionally provided on the interconnecting piece 120, in the present embodiment, the adjustment portion 170 can be triangle metal
Piece is electrically connected to second metal layer 130, its role is to adjust the impedance match of the anti-metal tag antenna 10, at it
In his embodiment, the adjustment portion 170 can be rectangular, diamond shape or the adjusting knob of other forms, certain adjustment portion
170 could be provided as fixed form, may be set to be activity form, if being set as fixed form, technical staff is according to antenna
Performance is arranged the adjustment portion 170 and is shaped on interconnecting piece 120；If being set as activity form, technical staff or
User can be adjusted flexibly when adjusting Antenna Impedance Matching, increase flexibility.In the present embodiment, the anti-metal
Label antenna length can be 62mm, and width can be 7mm, highly can be 2mm (not shown)s.
Fig. 2 is that the impedance-frequency relationship of 10 1 embodiment of anti-metal tag antenna of the present invention emulates schematic diagram.
For RFID tag, chip impedance is usually plural number, in order to realize between antenna and chip most
Big energy transmission needs to realize that the impedance of antenna is matched with chip impedance.As shown in Fig. 2, the impedance of anti-metal tag antenna 10
It is divided into real and imaginary parts.By the way that the first groove 160, the second groove 140 and the second groove 150 is arranged in the first metal layer 110,
Adjustment portion 170 is set on interconnecting piece 120 so that its impedance will not when anti-metal tag antenna 10 works in 860-960MHz frequency ranges
Saltus step occurs.
Fig. 3 is the 3D radiation emulation schematic diagrames of 10 1 embodiment of anti-metal tag antenna of the present invention.
As shown in left in Figure 3,10 the first metal layer 110 of anti-metal tag antenna has good radiance；Such as Fig. 3
Shown in middle right figure, the radiation of 10 second metal layer 130 of anti-metal tag antenna is weaker, this indicates that second metal layer 130 can be reduced pair
The interference of the first metal layer 110.
Fig. 4 is the module diagram of 60 1 embodiment of electronic labelling system of the present invention.
As shown in figure 4, the electronic labelling system 60 includes reader 610, and label 620, antenna 630.The label 620
Further include male part 621 and chip 622.The reader 610 is used to read the information in the label 620.The label 620
It is internal not contain power supply unit for passive electronic tag, when reader 610 sends out radiofrequency signal, if at the label 620
In the magnetic field that the radiofrequency signal generates, male part 621 receives the radiofrequency signal, and the part energy of the radiofrequency signal is turned
Electric energy is changed to so that chip 622 uses, chip 622 sends the information in label 620 by antenna 630.
Due to the selection of above-mentioned technical proposal, the beneficial effects of the invention are as follows apparent：
The first electric current that anti-metal tag 10 of the present invention is generated using the first metal layer 110 is generated with second metal layer 130
The opposite characteristic of the second current direction, the induced current that anti-metal tag antenna 10 is generated close to metal base plate is (namely
Second electric current) it partially removes so that there is good effect when anti-metal tag antenna 10 pastes on the metal surface, have fine
Anti-metal effect, achieved the purpose that miniaturization, high reliability, low cost.Therefore, this case has beneficial effect.
It is understood that for those of ordinary skill in the art, can be conceived with the technique according to the invention and be done
Go out various other corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
It encloses.
Claims (7)
1. a kind of anti-metal tag antenna, which is characterized in that including：
The first metal layer, for radiating or receiving electromagnetic wave, wherein the first metal layer setting is fluted；
Second metal layer is arranged in parallel with the first metal layer；
Interconnecting piece, for being electrically connected the first metal layer and second metal layer；And
Dielectric layer is set between the first metal layer and second metal layer；
Wherein, the first metal layer is oppositely arranged by the interconnecting piece and the second metal layer so that first gold medal
Belong to the first electric current that the radiant section of layer generates and the second metal layer flowed by the interconnecting piece, the second metal layer because
Electromagnetic induction generate the second electric current with first current direction on the contrary, second electric current with the first electric current because direction is opposite
And it cancels out each other.
2. anti-metal tag antenna as described in claim 1, which is characterized in that it is additionally provided with adjustment portion on the interconnecting piece,
The adjustment portion is electrically connected to second metal layer, the matching degree for adjusting the anti-metal tag antenna.
3. anti-metal tag antenna as described in claim 1, which is characterized in that the groove includes the first groove, is in strip
Shape, the matching degree for adjusting the anti-metal tag antenna and adjustment first sense of current.
4. anti-metal tag antenna as described in claim 1, which is characterized in that the groove includes the second groove, T-shaped,
Matching degree for adjusting the anti-metal tag antenna and adjustment first sense of current.
5. anti-metal tag antenna as described in claim 1, which is characterized in that the groove includes third groove, is taken the shape of the letter U,
Matching degree for adjusting the anti-metal tag antenna and adjustment first sense of current.
6. a kind of electronic labelling system, which is characterized in that including：
Label, stored tag information；
Reader, for reading the label information；And
Anti-metal tag antenna as described in any one in claim 1-5, for being passed between the label and the reader
Delivery signal.
7. electronic labelling system as claimed in claim 6, which is characterized in that the label further includes male part and chip, institute
Male part is stated for receiving the radiofrequency signal sent out of the reader, and energy is obtained from the radiofrequency signal, described in driving
Chip sends out the label information by the anti-metal tag antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022535.2A CN108306096A (en) | 2017-01-12 | 2017-01-12 | A kind of anti-metal tag antenna and the electronic labelling system comprising the antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022535.2A CN108306096A (en) | 2017-01-12 | 2017-01-12 | A kind of anti-metal tag antenna and the electronic labelling system comprising the antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108306096A true CN108306096A (en) | 2018-07-20 |
Family
ID=62871988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022535.2A Pending CN108306096A (en) | 2017-01-12 | 2017-01-12 | A kind of anti-metal tag antenna and the electronic labelling system comprising the antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108306096A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342223A (en) * | 2020-03-06 | 2020-06-26 | 内蒙古显鸿科技股份有限公司 | Underground antenna device and communication system |
Citations (9)
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|---|---|---|---|---|
| CN101099266A (en) * | 2005-01-07 | 2008-01-02 | 富士通株式会社 | Tag device, antenna and portable card |
| CN201117799Y (en) * | 2007-11-30 | 2008-09-17 | 华南理工大学 | UHF RFID electronic label antenna possessing broad band characteristic |
| CN101355195A (en) * | 2008-08-29 | 2009-01-28 | 浙江大学 | UHF RF dual-frequency-recognizing metal-resistance label antenna |
| CN101378145A (en) * | 2007-08-30 | 2009-03-04 | 富士通株式会社 | Tag antenna and tag |
| CN201243083Y (en) * | 2008-05-28 | 2009-05-20 | 中兴通讯股份有限公司 | Electronic label antenna and electronic label employing the antenna |
| CN102521645A (en) * | 2011-12-29 | 2012-06-27 | 上海大学 | Broadband anti-metal radio-frequency identification tag and special mounting structure for metal surface thereof |
| CN202585731U (en) * | 2012-05-21 | 2012-12-05 | 深圳市模块科技有限公司 | Ceramic electronic tag antenna |
| CN203204640U (en) * | 2013-03-22 | 2013-09-18 | 上海斐讯数据通信技术有限公司 | Electronic label system, reader and electronic-label information processing system |
| CN203689559U (en) * | 2013-12-27 | 2014-07-02 | 深圳市远望谷信息技术股份有限公司 | Anti-metal electronic tag |
-
2017
- 2017-01-12 CN CN201710022535.2A patent/CN108306096A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099266A (en) * | 2005-01-07 | 2008-01-02 | 富士通株式会社 | Tag device, antenna and portable card |
| CN101378145A (en) * | 2007-08-30 | 2009-03-04 | 富士通株式会社 | Tag antenna and tag |
| CN201117799Y (en) * | 2007-11-30 | 2008-09-17 | 华南理工大学 | UHF RFID electronic label antenna possessing broad band characteristic |
| CN201243083Y (en) * | 2008-05-28 | 2009-05-20 | 中兴通讯股份有限公司 | Electronic label antenna and electronic label employing the antenna |
| CN101355195A (en) * | 2008-08-29 | 2009-01-28 | 浙江大学 | UHF RF dual-frequency-recognizing metal-resistance label antenna |
| CN102521645A (en) * | 2011-12-29 | 2012-06-27 | 上海大学 | Broadband anti-metal radio-frequency identification tag and special mounting structure for metal surface thereof |
| CN202585731U (en) * | 2012-05-21 | 2012-12-05 | 深圳市模块科技有限公司 | Ceramic electronic tag antenna |
| CN203204640U (en) * | 2013-03-22 | 2013-09-18 | 上海斐讯数据通信技术有限公司 | Electronic label system, reader and electronic-label information processing system |
| CN203689559U (en) * | 2013-12-27 | 2014-07-02 | 深圳市远望谷信息技术股份有限公司 | Anti-metal electronic tag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342223A (en) * | 2020-03-06 | 2020-06-26 | 内蒙古显鸿科技股份有限公司 | Underground antenna device and communication system |
| CN111342223B (en) * | 2020-03-06 | 2023-06-23 | 内蒙古显鸿科技股份有限公司 | Buried antenna device and communication system |
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Application publication date: 20180720 |