CN205427907U - Electronic label - Google Patents
Electronic label Download PDFInfo
- Publication number
- CN205427907U CN205427907U CN201620219225.0U CN201620219225U CN205427907U CN 205427907 U CN205427907 U CN 205427907U CN 201620219225 U CN201620219225 U CN 201620219225U CN 205427907 U CN205427907 U CN 205427907U
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- China
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- electronic tag
- microstrip antenna
- conductive layer
- reflector space
- interference
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Abstract
The utility model relates to an electronic label, including locate on the base plate unit microstrip antenna and with the chip that microstrip antenna connects, microstrip antenna is last to be equipped with one section at least messenger the reflecting zone that microstrip antenna is interrupted. This electronic label is through setting up the messenger the reflecting zone that microstrip antenna is interrupted can adopt the jam -proof measure to it, when for example using with the cooperation of electronic label jam -proof structure, make microstrip antenna's communication signal accessible reflection configuration strengthen back, warp reflecting zone and external communication have and fine prevent and eliminate that external factors disturbs and self electromagnetic interference's effect to can improve electronic label's working property.
Description
Technical field
This utility model relates to a kind of electronic tag.
Background technology
RFID (RadioFrequencyIdentification, RF identification) electronic tag, because having remote and wireless read/write and the function of convenient amendment renewal recorded information, and be easy to carry about with one and deposit, and have waterproof, protection against the tide, the advantage such as shatter-resistant, and be widely used in every field.Practice finds, the own characteristic of radio RF recognition technology used due to electronic tag and limitation, human body (such as hands etc.) or other conductive material, article easily make to be identified electronic tag and the microwave signal generation interference of read/write, as a example by passive RFID electronic label, show themselves in that when it is disturbed that (1) is transmitted into the signal on electronic tag surface (signal of forward link) by antenna and weakens, reduce the possibility that electronic tag is activated；(2) being changed because of signal disturbing by signal (signal of the reverse link) phase place of tag reflection to antenna after electronic tag is activated, the signal causing antenna to receive is more weak.These all can have a strong impact on the service behaviour of electronic tag, even can cause the electronic tag cannot normally and proper use of.
nullApplication No. 201520684269.6，Entitled " electronic tag interference preventer and Anti-interference electronic label " although the disclosed device jamming-proof to electronic tag of utility model patent can identification normal to electronic tag、External interference factor (the such as human body or other conductive materials that read/write can impact、Article) prevent or eliminate，But the read/write distance of its electronic tag、The service behaviours such as read/write accuracy still have much room for improvement，Further study show that through applicant，Above-mentioned interference preventer itself is with metal (i.e. conductive layer)，And signal can be caused reflection by metal itself、Refraction、Diffraction etc. affect，It is reflected、Refraction、Electromagnetic field with electronic tag self microstrip antenna is produced electromagnetic interference by the signal after diffraction，Especially when the echo phase place of conductive layer surface is relative with the signal phase that antenna is launched or substantially relative to time，Disturb the most serious，Thus weaken the signal that electronic tag transmits/receives，And the read/write distance to electronic tag、The service behaviours such as read/write accuracy impact.The service behaviour how improving anti-tampering effect and electronic tag on the basis of using above-mentioned interference preventer further becomes the technological difficulties that the application is to be captured.
Utility model content
For above-mentioned technical problem, this utility model provides a kind of electronic tag, it is intended to electronic tag self structure can be utilized to improve the anti-tampering effect during it uses and self service behaviour when it is taked anti-interference method.
Electronic tag of the present utility model, including the microstrip antenna being located on base board unit and the chip being connected with described microstrip antenna, described microstrip antenna is provided with at least one section of reflector space making described microstrip antenna be interrupted.
nullDuring use，According to the microwave transmission feature used by RFID technique，By electronic tag is taked anti-interference method，Such as by have the electronic tag anti-interference structure of reflecting surface and electronic tag with the use of，The area of described reflecting surface adapts with reflector space area，Reflecting surface is made to be correspondingly arranged at the side, non-read/write direction of electronic tag，Electronic tag anti-interference structure is utilized to mask external interference factor (the such as human body or other conductive materials in the non-read/write direction from electronic tag、Article) impact，Make electronic tag only the signal from electronic tag read/write direction not responded by external interference ground，Owing to described reflector space makes microstrip antenna be interrupted，Therefore be reflected the signal after the reflection of face and can launch after directly passing through reflector space，Thus effectively avoid producing electromagnetic interference between signal and the microstrip antenna after being reflected face reflection，And under the effect of reflecting surface，Signal also can form enhancing electric current at the microstrip antenna cut off by reflector space，Produce the resonance effect strengthened，Play the effect of enhancing signal (the especially signal of reverse link)，Thus improve the service behaviour of electronic tag.
The electronic tag of the application makes, by setting, the reflector space that described microstrip antenna is interrupted, can with reflecting surface with the use of in the case of, after the signal of communication making microstrip antenna can be strengthened by reflecting surface, through described reflector space communication with the outside world, have and well prevent and eliminate extraneous factor interference and the effect of self electromagnetism interference, and can enhancing signal, improve electronic tag service behaviour.
Preferably, described reflector space has two sections and is distributed axisymmetricly.Such structure is not only convenient to be made, also can make electronic tag and electronic tag anti-interference structure with the use of time, improve anti-tampering effect further, and there is the effect of more preferable enhancing signal.
Preferably, described reflector space is centrosymmetric distribution relative to chip such that it is able to the effective impedance adjusting whole microstrip antenna, is allowed to the impedance with chip and more mates, thus improve the read/write effect of electronic tag, increases the distance of Microwave emission/reception.
Preferably, described microstrip antenna preferably mates relative to be centrosymmetric distribution, beneficially microstrip antenna impedance and chip impedance of chip, and the read/write effect making electronic tag is more preferable.Such as, described microstrip antenna can be substantially in I-shaped.
Preferably, the go-and-retum of corresponding with described reflector space microstrip antenna discontinuities is away from for 24～28mm.Reflector space so can be made to have bigger area, when electronic tag is taked anti-interference method, the effect of more preferable anti-microstrip antenna self electromagnetism interference can be played, advantageously in enhancing signal, the service behaviour of raising electronic tag while shielding external interference factor impact.After tested, when microstrip antenna corresponding to described reflector space at the go-and-retum of discontinuities away from during for 26mm, it is possible to ensure that this electronic tag has preferable anti-tampering ability in 20 meters.
Further, described base board unit is being also associated with strengthening the catoptric arrangement of microstrip antenna signal of communication in the view field of electronic tag read/write direction phase dorsal part, and described catoptric arrangement adapts with the position of reflector space.The structure of the formula that catoptric arrangement and base board unit is combined into one, makes electronic tag have anti-tampering ability and preferable service behaviour, is more convenient for actually used.
Concrete, described catoptric arrangement is included in described view field the first conductive layer and the second conductive layer set gradually, and is provided with base board unit is formed the dielectric sealing coat blocked between described first conductive layer and the second conductive layer.Wherein, described first conductive layer is for strengthening the signal of communication of microstrip antenna, and described second conductive layer is for shielding the external interference factor from electronic tag read/write direction phase dorsal part.
Described first conductive layer and the second conductive layer are typically to select the lamella of metal material, the film layer structures such as good copper (such as copper-clad plate etc.), ferrum, aluminum (such as aluminium foil etc.) or the alloy of electric conductivity to be preferred.Described dielectric sealing coat can use the customary insulation materials such as isopyknic in cardboard, the sheet of macromolecular material, plate or loose foams, learns after tested, and the effect of different insulative material is essentially identical.The thickness of dielectric sealing coat can do the adjustment of suitable matching according to the material used of the electric circuit characteristic of electronic tag used and/or conductive layer and dielectric sealing coat.The area of described first conductive layer adapts with the area of electronic tag view field, and more preferably greater than the area of electronic tag view field, the second conductive layer preferably covers dielectric sealing coat and the whole surface of the first conductive layer phase dorsal part.So electronic tag can be played more preferable anti-tampering effect.
Preferably, arrange in the way of the insulating space that plan range is 2～14mm between described catoptric arrangement and base board unit.Described insulating space is preferably the space of air insulated.After tested, the plan range of this insulating space is when 2～14mm scope, to preventing and the effect of interference factor of electronic tag service behaviour of eliminating the effects of the act is preferable.
When reality is applied, Application No. 201520684269.6 can be used, electronic tag interference preventer disclosed in the utility model patent of entitled " electronic tag interference preventer and Anti-interference electronic label ", using described electronic tag interference preventer as described catoptric arrangement, this integral structure, more convenient to use, on preventing the impact of external interference factor and self electromagnetism interference, there is promising result.It is of course also possible to by above-mentioned catoptric arrangement separately as the anti-interference structure of the application electronic tag.
Electronic tag of the present utility model, the reflector space that described microstrip antenna is interrupted is made by setting, it can used anti-interference method, such as with catoptric arrangement with the use of time, after the signal of communication making microstrip antenna can be strengthened by catoptric arrangement, through described reflector space communication with the outside world, have and well prevent and eliminate extraneous factor interference and the effect of self electromagnetism interference, and the service behaviour of electronic tag can be improved.
Below in conjunction with the detailed description of the invention of embodiment, foregoing of the present utility model is described in further detail again.But this should not being interpreted as, the scope of the above-mentioned theme of this utility model is only limitted to Examples below.In the case of without departing from the above-mentioned technological thought of this utility model, the various replacements made according to ordinary skill knowledge and customary means or change, all should be included in the range of this utility model.
Accompanying drawing explanation
Fig. 1 is the first structural representation of electronic tag of the present utility model.
Fig. 2 is the second structural representation of this utility model electronic tag.
Detailed description of the invention
Embodiment 1:
As it is shown in figure 1, electronic tag 1 of the present utility model, including the microstrip antenna 300 being located on base board unit 100 and the chip 200 being connected with described microstrip antenna 300, described microstrip antenna 300 is provided with two sections of reflector spaces 400 making described microstrip antenna 300 be interrupted.Described microstrip antenna 300 is centrosymmetric distribution relative to chip 200, and reflector space 400 is centrosymmetric distribution also relative to chip 200, and reflector space 400 is distributed the most axisymmetricly.Described microstrip antenna 300 is substantially in I-shaped.The go-and-retum of microstrip antenna 300 discontinuities corresponding with described reflector space 400 is away from for 26mm.
nullElectronic tag 1 is being taked anti-interference method，Such as by have the electronic tag anti-interference structure of reflecting surface and electronic tag 1 with the use of，The area of described reflecting surface is more than or equal to reflector space 400 area，Reflecting surface is made to be correspondingly arranged at the side, non-read/write direction of electronic tag 1，External interference factor (the such as human body or other conductive materials in the non-read/write direction from electronic tag 1 can be masked、Article) impact，Make electronic tag 1 only the signal from electronic tag 1 read/write direction not responded by external interference ground，Meanwhile，Owing to described reflector space 400 makes microstrip antenna 300 be interrupted，Therefore be reflected the signal after the reflection of face and can launch after directly passing through reflector space 400，Thus effectively avoid producing electromagnetic interference between signal and the microstrip antenna 300 after being reflected face reflection，And under the effect of reflecting surface，Signal also can form enhancing electric current at the microstrip antenna 300 cut off by reflector space 400，Produce the resonance effect strengthened，Play the effect of enhancing signal，Thus improve the service behaviour of electronic tag 1.
After tested, by arranging above-mentioned reflector space 400, it is possible to ensure that this electronic tag 1 has preferable anti-tampering ability in 20 meters, and there is higher read/write accuracy (read/write accuracy can ensure that more than 85%).
Embodiment 2:
On the basis of embodiment 1, as shown in Figure 2, be combined into one formula structure by electronic tag anti-interference structure and the electronic tag 1 in embodiment 1, thus form the electronic tag 1 with anti-tampering ability, the most described base board unit is being also associated with strengthening the catoptric arrangement of microstrip antenna signal of communication in the view field of electronic tag 1 read/write direction phase dorsal part, and described catoptric arrangement adapts with the position of reflector space.Described catoptric arrangement is included in described view field the first conductive layer 3 and the second conductive layer 7 set gradually, it is provided with between described first conductive layer 3 and the second conductive layer 7 and base board unit is formed the dielectric sealing coat 4 blocked, described first conductive layer 3 is for strengthening the signal of communication of microstrip antenna, and described second conductive layer 7 is for shielding the external interference factor from electronic tag 1 read/write direction phase dorsal part.
View field and the periphery thereof of electronic tag 1 are defined and block by described dielectric sealing coat 4, plane and the periphery of dielectric sealing coat 4 with electronic tag 1 read/write direction phase dorsal part have been carried out blocking and interference shielding by described second conductive layer 7, making dielectric sealing coat 4 become a flute profile with the C-shaped interior concave space of section of energy holding electronic label 1 or bowl-type cover buckle structure body, its circumference barrier structure that electronic tag 1 is formed cover button can be used as engaging the supporting construction in the face of pasting 5 with vehicle windscreen or enging cabin etc..Then inner side (this inside bottom surface refers to the side relative with electronic tag 1 place plane) the bottom surface setting of concave space along dielectric sealing coat 4 of first conductive layer 3.Paste and between face 5 and the first conductive layer 3, be provided with the mounting structures 6 for putting electronic tag 1.With plan range as 8mm or the mode of insulating space 2 of 10mm is arranged between described first conductive layer 3 and electronic tag 1, this insulating space 2 is directly full of by air.
In the present embodiment, catoptric arrangement has the effect of the electronic tag anti-interference structure of reflecting surface in can playing similar embodiment 1.The electronic tag 1 of above-mentioned the present embodiment, the most easy to use, also there is anti-tampering ability and preferable service behaviour.
Claims (10)
1. electronic tag, including the microstrip antenna (300) being located on base board unit (100) and the chip (200) being connected with described microstrip antenna (300), it is characterised in that: described microstrip antenna (300) is provided with at least one section of reflector space (400) making described microstrip antenna (300) be interrupted.
2. electronic tag as claimed in claim 1, it is characterised in that: described reflector space (400) has two sections and is distributed axisymmetricly.
3. electronic tag as claimed in claim 1, it is characterised in that: described reflector space (400) is centrosymmetric distribution relative to chip (200).
4. electronic tag as claimed in claim 1, it is characterised in that: described microstrip antenna (300) is centrosymmetric distribution relative to chip (200).
5. electronic tag as claimed in claim 1, it is characterised in that: the go-and-retum of microstrip antenna (300) discontinuities corresponding with described reflector space (400) is away from for 24～28mm.
6. the electronic tag as described in one of claim 1 to 5, it is characterized in that: described base board unit (100) is being also associated with strengthening the catoptric arrangement of microstrip antenna (300) signal of communication in the view field of electronic tag read/write direction phase dorsal part, and described catoptric arrangement adapts with the position of reflector space (400).
7. electronic tag as claimed in claim 6, it is characterised in that: arrange in the way of the insulating space that plan range is 2～14mm between described catoptric arrangement and base board unit (100).
8. electronic tag as claimed in claim 6, it is characterized in that: described catoptric arrangement is included in described view field the first conductive layer (3) and the second conductive layer (7) set gradually, be provided with between described first conductive layer (3) and the second conductive layer (7) and base board unit (100) is formed the dielectric sealing coat (4) blocked.
9. electronic tag as claimed in claim 8, it is characterised in that: the described area of the first conductive layer (3) adapts with the area of described view field.
10. electronic tag as claimed in claim 8, it is characterised in that: described second conductive layer (7) covers the whole surface of dielectric sealing coat (4) and the first conductive layer (3) phase dorsal part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219225.0U CN205427907U (en) | 2016-03-21 | 2016-03-21 | Electronic label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219225.0U CN205427907U (en) | 2016-03-21 | 2016-03-21 | Electronic label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205427907U true CN205427907U (en) | 2016-08-03 |
Family
ID=56520855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620219225.0U Expired - Fee Related CN205427907U (en) | 2016-03-21 | 2016-03-21 | Electronic label |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205427907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842672A (en) * | 2017-04-19 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of display device |
-
2016
- 2016-03-21 CN CN201620219225.0U patent/CN205427907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842672A (en) * | 2017-04-19 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180321 |