CN205594666U - Electronic license plate label that anti electrically conductive thing disturbed - Google Patents
Electronic license plate label that anti electrically conductive thing disturbed Download PDFInfo
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- CN205594666U CN205594666U CN201620044412.XU CN201620044412U CN205594666U CN 205594666 U CN205594666 U CN 205594666U CN 201620044412 U CN201620044412 U CN 201620044412U CN 205594666 U CN205594666 U CN 205594666U
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- radiating surface
- label
- antenna
- license plate
- pair
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Abstract
The utility model relates to a wireless radio frequency identification (RFID) field provides an electronic license plate label that anti electrically conductive thing disturbed. This label includes base plate, antenna, chip and casing, the base plate is the rectangle setting, accepts antenna and chip, wherein, the antenna matches with the chip. The antenna includes the opening gap at rectangle radiating surface and inside gap of a pair of radiating surface and a pair of radiating surface both ends, the inside gap of a pair of radiating surface is located the center of base plate, the overall arrangement is in the both ends of chip, the opening gap at radiating surface both ends is located the both ends middle zone of antenna is the horizon glass like the setting, the rectangle radiating surface is including the opening gap's that digs up inside gap of a pair of radiating surface and a pair of radiating surface both ends rectangle radiating surface, the chip is located the centre in the inside gap of a pair of radiating surface. The casing is close to antenna face one side of base plate. The experiment shows, the utility model discloses be applied to glass on the surface resist electrically conductive thing label recognition distance far away, having under the circumstances of metal label sensitivity higher, the suitability is strong, the label can effectively prevent and eliminate RFID electronic tags in use because of hand or other electric conductivity materials, object be close to or coverage etc. Can influence the interference factor of its normal discernment, read/write and use, have satisfied effect.
Description
Technical field:
This utility model relate to a kind of anti-conducting objects interference electronic license plate label, belong to short-wave communication tedhnology field, be suitable for 840MHz～
RF identification in 960MHz frequency range.
Background technology:
RFID (radio frequency identification) electronic license plate label, because it is remote and facilitates read/write operation and waterproof, moistureproof,
The advantages such as shatter-resistant, are used widely the most in terms of motor vehicles and traffic administration, and the use of RFID electronic license plate label can show
Write and improve motor vehicles and traffic management level.As a example by current application in terms of mobile management, this electronic tag is typically all
It is placed in the inner face of (pasting) windshield, in order to enter management, charging, vehicle flowrate, speed inspection at vehicles while passing
Effectively identified and read/write by supporting read write line equipment etc. during survey.Practice finds, due to wireless the penetrating of RFID employing
Frequency identifies own characteristic and the limitation of technology, when occupant is either intentionally or unintentionally close with conducting objects, such as staff, metal etc.
Or cover this electronic tag, and all can make electronic tag to be identified and the microwave signal generation interference of read/write, even can be serious
Affect the normal and proper use of of electronic tag.And the existing label being applied on glass can decline in the presence of having metal in sensitivity
The most greatly, even close to there is no performance, it is therefore desirable to the electronic license plate label of a kind of anti-conducting objects interference.
Utility model content:
Main purpose of the present utility model is to provide a kind of anti-conducting objects, the electronic license plate label of especially metal interference, it is intended to solve
The problem of the most common electronic tag anti-conducting objects interference performance difference.
This utility model relate to a kind of anti-conducting objects interference electronic license plate label, this label include substrate, antenna, chip and
Housing, the rectangular setting of described substrate, house described antenna and chip, wherein, described antenna mates with chip.Described antenna
Including rectangular radiation face and a pair radiating surface internal interstices and the aperture slots at a pair radiating surface two ends, inside the pair of radiating surface
Gap is positioned at the center of described substrate, and layout is at the two ends of described chip；The aperture slots at described radiating surface two ends is positioned at described sky
The two ends zone line of line, is arranged in horizon glass picture；Described rectangular radiation face includes diging up a pair radiating surface internal interstices and a pair
The rectangular radiation face of the aperture slots at radiating surface two ends, described chip is positioned at the centre of a pair radiating surface internal interstices.Described housing
Antenna surface side near described substrate.
In the electronic license plate label of the anti-conducting objects interference of this utility model offer, realize sky by the internal interstices of radiating surface
Line and chip conjugate impedance match, ensure have conducting objects can need close to label during label by the aperture slots at radiating surface two ends simultaneously
Frequency range is wanted normally to work, thus, by arranging described internal interstices and described aperture slots on the radiating surface of antenna, it is possible to
Various conducting objects, such as metal reduce loss of sensitivity when blocking electronic license plate label, realize according to of the present utility model anti-simultaneously
The distant identification of conducting objects label and reading distance.Such as, utilize according to electronic license plate label of the present utility model,
Tag sensitivity when metal blocks is compared when relatively blocking without metal, and sensitivity only declines 2.5～7dB.
The material of described substrate is pottery, FR4, polyvinylchloride, ply of paper, rubber, timber, gathers phenyl formic acid ethylene glycol
Ester PET or polyimides PI.
Described antenna material is silver, copper, aluminum, silver slurry or carbon slurry.
Described radiating surface internal interstices be rhombus, triangle, rectangle, circle, oval trapezoidal, trapezoidal, " T " font,
" Y " font, polygon, oval or circular.
The aperture slots at described radiating surface two ends is triangle, rectangle, trapezoidal, polygon, circle, semicircle, ellipse or circle
Arc.
Antenna and chip conjugate impedance match is realized, by adjusting radiating surface two by the shape and size of regulation radiating surface internal interstices
When the shape and size of the aperture slots of end have realized metal attachment label, label normally can work in needs frequency range.
The material of described housing includes ABS, PC, FR4, pottery, paper, timber, rubber, pottery polyvinylchloride, poly-right
Phenyl formic acid glycol ester PET or polyimides PI.
The size range of described substrate is long 60mm～100mm, wide 40mm～60mm, thick ＞ 0.Imm.
The size range of described housing is long 60mm～100mm, wide 40mm～60mm, thick ＞ 1.5mm.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the electronic license plate label of anti-conducting objects interference in one embodiment of this utility model
Fig. 2 is the using method schematic diagram of the electronic license plate label of anti-conducting objects interference in one embodiment of this utility model
Fig. 3 is the four kinds of metal application mentioned in the RFID electronic license plate of anti-conducting objects interference in one embodiment of this utility model
Scene
Fig. 4 is that in one embodiment of this utility model, the RFID electronic license plate of anti-conducting objects interference is not adding metal and at several gold
Belong to the tag sensitivity curve chart under scene
Detailed description of the invention:
Described herein it is embodied as example only in order to explain this utility model, is not used to limit this utility model.
With reference to Fig. 1, in the present embodiment the electronic license plate label of anti-conducting objects interference include substrate 100, antenna 200, chip 300,
Polygon gap 221 and 222 is formed by housing 400 and a pair polygon gap 211 and 212 with another.Wherein substrate 100
Rectangular setting, is used for housing described antenna 200 and chip 300.The radiating surface of described antenna 200 is for diging up a pair radiating surface
The rectangular radiation face of the aperture slots at internal interstices and a pair radiating surface two ends, the pair of radiating surface internal interstices is polygon seam
Gap 211 and 212, the aperture slots at the pair of radiating surface two ends is polygon gap 221 and 222, and described chip 300 is positioned at
The centre in the polygon gap 211 and 212 within a pair radiating surface, described housing 400 is near the antenna 200 of described substrate 100
Side.
Substrate 100 shape and size specific requirement is arranged.The most in one embodiment, substrate 100 can be arranged to rectangle,
Its size range is long 60mm～100mm, wide 40mm～60mm, thick ＞ 0.1mm.The material of substrate 100 can be pottery,
FR4, polyvinylchloride, ply of paper, rubber, timber, poly-flexible to phenyl formic acid glycol ester PET or polyimides PI etc. or
The sheet material of hard.
The material of antenna 200 can be silver, copper, aluminum, silver slurry, carbon slurry etc..Radiating surface internal interstices 211 and 212 can be
Rhombus, triangle, rectangle, circle, oval trapezoidal, trapezoidal, " T " font, " Y " font, polygon, ellipse or circle
Shape etc., the aperture slots 221 and 222 at radiating surface two ends can be triangle, rectangle, trapezoidal, polygon, circle, semicircle,
Ellipse, circular arc etc..
The material of housing 400 includes ABS, PC, FR4, pottery, paper, timber, rubber, pottery polyvinylchloride, poly-right
Phenyl formic acid glycol ester PET or polyimides PI etc., the size range of described housing 400 is long 60mm～100mm, wide
40mm～60mm, thick ＞ 1.5mm.
Antenna and chip conjugate impedance match is realized, by adjusting by the shape and size of regulation radiating surface internal interstices 211 and 212
The shape and size of the aperture slots 221 and 222 at whole radiating surface two ends have realized label during metal attachment label can be at needs frequency
Duan Zhengchang works.
Fig. 2 is the electronic license plate label using method schematic diagram in the present embodiment of anti-conducting objects of the present utility model interference, with
As a example by being covered in the electronic license plate label of motor vehicle front windshield application, its read/write signal is that the RFID of front side sets
The corresponding microwave signal that preparation goes out.Label is pasted onto on car windshield 600 by double faced adhesive tape 500.
Fig. 3 is the four kinds of metal application mentioned in the RFID electronic license plate of anti-conducting objects interference in one embodiment of this utility model
Scene,
(a): case top spreads metal entirely
(b): casing surroundings is wrapped entirely by metal
(c): housing is hidden by the metallic plate of 14cm*14cm
(d): housing is hidden by the metallic plate of 6cm*4cm
Effect to the electronic license plate label of the interference of anti-conducting objects described in this utility model, uses under conditions of Fig. 2 embodiment
Tagformance carries out the sensitivity test of label.Fig. 4 is the RFID electricity of anti-conducting objects interference in one embodiment of this utility model
Sub-car plate is not adding metal and the tag sensitivity curve chart under several metal scenes.
The test result of Fig. 4 shows, in the RFID operating frequency 920～925MHz of GB, this utility model is at housing not
Tag sensitivity when adding metal is-19.2dBm, the tag sensitivity under (a), (b), (c) and (d) four kinds of metal scenes
Scope is-16.2dBm～-16.6dBm ,-14.5dBm～-13.2dBm ,-15～14.1dBm and-12.7～-13.6dBm respectively, when metal blocks
Tag sensitivity compare when relatively blocking without metal, sensitivity only declines 2.5～7dB.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every utilization
The equivalent structure transformation that this utility model description and accompanying drawing content are done, or directly, indirectly it is used in other relevant technology
Field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. the electronic license plate label of an anti-conducting objects interference, it is characterized in that, this label includes substrate, antenna, chip and housing, the rectangular setting of described substrate, houses described antenna and chip, wherein, described antenna mates with chip, described antenna includes rectangular radiation face and a pair radiating surface internal interstices and the aperture slots at a pair radiating surface two ends, and the pair of radiating surface internal interstices is positioned at the center of described substrate, and layout is at the two ends of described chip；The aperture slots at described radiating surface two ends is positioned at the two ends zone line of described antenna, arranges in horizon glass picture；Described rectangular radiation face includes the rectangular radiation face diging up the aperture slots at a pair radiating surface internal interstices and a pair radiating surface two ends, and described chip is positioned at the centre of a pair radiating surface internal interstices, and described housing is near the antenna surface side of described substrate.
The electronic license plate label of anti-conducting objects the most according to claim 1 interference, it is characterised in that the material of described substrate is pottery, FR4, polyvinylchloride, ply of paper, rubber, timber, gathers phenyl formic acid glycol ester PET or polyimides PI.
The electronic license plate label of anti-conducting objects the most according to claim 1 interference, it is characterised in that described antenna material is silver, copper, aluminum, silver slurry or carbon slurry.
The electronic license plate label of anti-conducting objects the most according to claim 1 interference, it is characterized in that, described radiating surface internal interstices is rhombus, triangle, rectangle, circle, oval trapezoidal, trapezoidal, " T " font, " Y " font, polygon, oval or circular.
The electronic license plate label of anti-conducting objects the most according to claim 1 interference, it is characterised in that the aperture slots at described radiating surface two ends is triangle, rectangle, trapezoidal, polygon, circle, semicircle, ellipse or circular arc.
6. the electronic license plate label disturbed according to the anti-conducting objects described in claim 1,4 or 5, it is characterized in that, realizing antenna and chip conjugate impedance match by the shape and size of regulation radiating surface internal interstices, when having realized metal attachment label by the shape and size adjusting the aperture slots at radiating surface two ends, label normally can work in needs frequency range.
The electronic license plate label of anti-conducting objects the most according to claim 1 interference, it is characterized in that, the material of described housing includes ABS, PC, FR4, pottery, paper, timber, rubber, pottery polyvinylchloride, gathers phenyl formic acid glycol ester PET or polyimides PI.
The electronic license plate label of anti-conducting objects the most according to claim 1 interference, it is characterised in that the size range of described substrate is long 60mm～100mm, wide 40mm～60mm, thick ＞ 0.1mm.
9. the electronic license plate label disturbed according to the anti-conducting objects described in claim 1 or 7, it is characterised in that the size range of described housing is long 60mm～100mm, wide 40mm～60mm, thick ＞ 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044412.XU CN205594666U (en) | 2016-01-06 | 2016-01-06 | Electronic license plate label that anti electrically conductive thing disturbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044412.XU CN205594666U (en) | 2016-01-06 | 2016-01-06 | Electronic license plate label that anti electrically conductive thing disturbed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205594666U true CN205594666U (en) | 2016-09-21 |
Family
ID=56927414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620044412.XU Active CN205594666U (en) | 2016-01-06 | 2016-01-06 | Electronic license plate label that anti electrically conductive thing disturbed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845604A (en) * | 2016-11-22 | 2017-06-13 | 杭州电子科技大学 | A kind of flexible UHF RFID anti-metal tags |
-
2016
- 2016-01-06 CN CN201620044412.XU patent/CN205594666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845604A (en) * | 2016-11-22 | 2017-06-13 | 杭州电子科技大学 | A kind of flexible UHF RFID anti-metal tags |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190909 Address after: 610015 China (Sichuan) Free Trade Pilot Zone, Chengdu City, Sichuan Province Patentee after: Sichuan Huada Hengxin Technology Co., Ltd. Address before: 201203, Shanghai, Pudong New Area, Liang Xiu Road, No. 112, block Y1, Room 305, room three Patentee before: HUADA SEMICONDUCTOR CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Floor 17, unit 2, building 6, 171 hele 2nd Street, Chengdu hi tech Zone, Chengdu pilot Free Trade Zone, Sichuan 610212 Patentee after: Huada Hengxin Technology Co.,Ltd. Address before: 610015 1-3 / F, block B, building 4, No. 200, Tianfu 5th Street, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan Patentee before: Sichuan Huada Hengxin Technology Co.,Ltd. |