CN102955967A - Remote passive ultrahigh-frequency electronic license plate - Google Patents
Remote passive ultrahigh-frequency electronic license plate Download PDFInfo
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- CN102955967A CN102955967A CN2011102365124A CN201110236512A CN102955967A CN 102955967 A CN102955967 A CN 102955967A CN 2011102365124 A CN2011102365124 A CN 2011102365124A CN 201110236512 A CN201110236512 A CN 201110236512A CN 102955967 A CN102955967 A CN 102955967A
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- license plate
- car plate
- frequency electronic
- ultrahigh
- electronic license
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Abstract
The invention discloses a remote passive ultrahigh-frequency electronic license plate which is modified from an original license plate made of aluminum by embedding a passive ultrahigh-frequency chip. The electronic license plate comprises a license plate body, an auxiliary radiating surface, the ultrahigh-frequency chip, a front film and a back film. The original metal license plate is integrated in design of a tag antenna without changing size and materials of the original license plate, influences of metal environments on ultrahigh-frequency tag performances are avoided, and gain of the tag antenna is increased greatly. The electronic license plate completely meets the standards of ISO 18000-6C and EPC Gen 2, and has all functions such as a remote reading function and an anti-counterfeiting function of an ultrahigh-frequency passive electronic tag. Besides, the electronic license plate is simple and firm in structure, low in cost and easy to popularize in practical application.
Description
Technical field
This paper relates to a kind of remote, passive, ultrahigh frequency electronic license plate, specifically relates to a kind of electronic license plate that embeds the passive ultrahigh frequency electronic chip.
Background technology
RFID is English (the Radio Frequency Identification of REID, RFID) abbreviation, REID is a kind of automatic identification technology that begins to rise the nineties in 20th century, the characteristics such as it is far away that it has decipherment distance, and recognition accuracy is high, recognition speed is fast, antijamming capability is strong, long service life, utilization scope are wide.It is for realizing that the characteristics such as numeral words, information-based attribute to object, state gather a kind of ladder of management that adopts automatically, and the identity that can be widely used in the aspects such as personnel, animal, article is identified automatically.
The widely application that UHF RFID has obtained at field of traffic.In non-parking charge, traffic administration, false proof, parking lot management, be widely used.At present UHF RFID mainly concentrates on window labels in the application of field of traffic, and when the glass employing coat of metal of automobile, window is labelled and will be subject to great impact.Electronic license plate can well address this is that.
Summary of the invention
The content of this paper designs a kind of economic, practical, remote electronic license plate label.This paper in order to achieve the above object, the technical scheme that adopts provides a kind of passive ultrahigh frequency electronic tag in car plate uplifting window shape slit, comprising: car plate 1, auxiliary radiation face 4, ultrahigh frequency chip 3, front side films 5, back side film 6.
Leave a window shape slit 2 at the upper marginal position of car plate 1, window shape slit 2 is radiation-curable energy not only, and window shape slit 2 antennas itself have very wide bandwidth, so that this electronic tag during near materials such as metal or plastics, also has preferably performance.When electronic license plate uses in reality, be installed on the automobile, even near plastics and metal material, performance also remains unchanged substantially.The metal outer frame of car plate 1 also can be avoided so that it neither affects the number-plate number in 2 residing positions, slit.
Come transferring energy by tight coupling between auxiliary radiation face 4 and the car plate 1.
Back side film 6 pastes the back side of car plate 1 by special process, and slit 2 and auxiliary radiation face 4 are opened with air is isolated, reaches the purpose of protection slit 2 and chip 3, simultaneously again can be high temperature resistant, antiultraviolet, waterproof.
This electronic license plate adopts above-mentioned structure, principle of work according to the window shape slot antenna, the metal quality of car plate 1 itself, not only can not affect the performance of label, can increase tagged swept area on the contrary, thereby greatly improved the operating distance of label so that electronic license plate label read the distance can reach tens meters.
Length by regulating slit 2 and wide can be so that the frequency of label and impedance behavior reach best.
Simultaneously, because the broadband character of electronic license plate label, so that it can cover 880-960MHz, so that it can both be applied at UHF RFID full frequency band.
Description of drawings
Fig. 1 is the structural representation of the auxiliary radiation face of this electronic license plate one embodiment;
Fig. 2 is the structural representation of the car plate of this electronic license plate one embodiment;
Fig. 3 is the structural representation of the front side films of this electronic license plate one embodiment.
Fig. 4 is the structural representation of the back side film of this electronic license plate one embodiment.
Fig. 5 is the general structure synoptic diagram of this electronic license plate one embodiment.
Embodiment
Illustrate further the architectural feature of this RFID label below in conjunction with accompanying drawing.
As shown in drawings, this RFID label comprises: car plate 1, auxiliary radiation face 4, ultrahigh frequency chip 3, front side films 5, back side film 6.
Leave a window shape slit 2 at the top marginal position of car plate 1; and the aluminium sheet in window shape slit 2 carried out anti-oxidation processing; UHF electronic chip 3 is connected with auxiliary radiation face 4 by technique; radiation radiating surface 4 pastes the relevant position in the slit 2 of car plate 1 by adhesive sticker; chip 3 is 2 inboards towards the slit, by special epoxy glue hydropexis and protect chip 3.Front side films 5 is close to car plate 1 front by press mold technique, the protection slit, and back side film 5 is close to car plate 1 back side by press mold technique.
In the present embodiment, find that according to experimental result the length in window shape slit 2 and width can be adjusted to a specific size, so that the bandwidth of label and performance reach best.
The material of car plate 1 adopts aluminium, and its thickness can be selected from 1mm-2mm, the size conforms national standard.Auxiliary radiation face 4 is comprised of aluminium foil, is conductor sheet.It has realized the transmission of energy between car plate 1 and chip 3, itself is again the part of antenna simultaneously, has played the effect of regulating antenna impedance and auxiliary radiation.
In the present embodiment; the lip-deep film of car plate 1 label is diaphragm; contact with external environment with auxiliary radiation face 4 and the phenomenons such as oxidation, corrosion occur with the slit 2 that prevents electronic license plate, to guarantee the use of the long-term stability of electronic license plate in applied environment.
Claims (5)
1. remote passive ultrahigh frequency electronic tag, it is characterized in that comprising: it is by car plate, auxiliary radiation face, chip, front side films, back side film forms, and by leaving the window shape slit at the metal car plate, has solved the application of ultrahigh frequency electronic tag at the metal environment.Chip links to each other with the auxiliary radiation face, and the auxiliary radiation face is attached to the car plate surface by adhesive sticker.Front side films is attached to the front, slit by press mold technique, and back side film is attached to the car plate back side by press mold technique.
2. long distance passive ultrahigh frequency electronic tag according to claim 1 is characterized in that the size in slit is less than the physical dimension of car plate.
3. long distance passive ultrahigh frequency electronic tag according to claim 1 is characterized in that the material of car plate is comprised of metal materials such as copper, aluminium, metal alloys.
4. long distance passive ultrahigh frequency electronic tag according to claim 1 is characterized in that the thickness of car plate is greater than 0.5mm, less than 5mm.
5. long distance passive ultrahigh frequency electronic tag according to claim 1 is characterized in that being made of front side films and the back side film of car plate materials such as PVC, ABS, PET, epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102365124A CN102955967A (en) | 2011-08-17 | 2011-08-17 | Remote passive ultrahigh-frequency electronic license plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102365124A CN102955967A (en) | 2011-08-17 | 2011-08-17 | Remote passive ultrahigh-frequency electronic license plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102955967A true CN102955967A (en) | 2013-03-06 |
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ID=47764752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102365124A Pending CN102955967A (en) | 2011-08-17 | 2011-08-17 | Remote passive ultrahigh-frequency electronic license plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN102955967A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926786A (en) * | 2015-12-30 | 2017-07-07 | 北京嘉岳同乐极电子有限公司 | A kind of passive electronic car plate |
| CN107139862A (en) * | 2017-02-09 | 2017-09-08 | 苏州晟达力芯电子科技有限公司 | A kind of passive RF car plate |
| CN111428837A (en) * | 2020-05-14 | 2020-07-17 | 莆田澳普睿智能科技有限公司 | UHF electronic tag capable of being used on metal back and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500557Y (en) * | 2001-10-26 | 2002-07-17 | 四川新源现代智能科技有限公司 | Forge-proof number plate of vehicle with passive electronic recognition |
| CN101239604A (en) * | 2007-02-09 | 2008-08-13 | 纽奥奇有限公司 | Electronic vehicle registration |
-
2011
- 2011-08-17 CN CN2011102365124A patent/CN102955967A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500557Y (en) * | 2001-10-26 | 2002-07-17 | 四川新源现代智能科技有限公司 | Forge-proof number plate of vehicle with passive electronic recognition |
| CN101239604A (en) * | 2007-02-09 | 2008-08-13 | 纽奥奇有限公司 | Electronic vehicle registration |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926786A (en) * | 2015-12-30 | 2017-07-07 | 北京嘉岳同乐极电子有限公司 | A kind of passive electronic car plate |
| CN107139862A (en) * | 2017-02-09 | 2017-09-08 | 苏州晟达力芯电子科技有限公司 | A kind of passive RF car plate |
| CN111428837A (en) * | 2020-05-14 | 2020-07-17 | 莆田澳普睿智能科技有限公司 | UHF electronic tag capable of being used on metal back and manufacturing method thereof |
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Application publication date: 20130306 |