CN204407487U - A kind of 3D radio frequency identifying antenna - Google Patents
A kind of 3D radio frequency identifying antenna Download PDFInfo
- Publication number
- CN204407487U CN204407487U CN201520139442.4U CN201520139442U CN204407487U CN 204407487 U CN204407487 U CN 204407487U CN 201520139442 U CN201520139442 U CN 201520139442U CN 204407487 U CN204407487 U CN 204407487U
- Authority
- CN
- China
- Prior art keywords
- antenna
- resonant cavity
- strip
- cut
- wings
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- 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
Abstract
The utility model discloses a kind of 3D radio frequency identifying antenna, comprise radio-frequency antenna body, it is characterized in that, by resonant cavity wire loop around forming circular resonant chamber, a cross antenna portion is formed by four sections of antennas in described resonant cavity, described central indentation place of cross antenna portion is chip bonding position, described resonant cavity is outside equipped with four strip antenna wings, four described strip antenna wings are the parts extended by the outside different directions of section antenna of four in resonant cavity, the four described strip antenna wing other ends are one is long and the other is short two strip antenna cut-off portions perpendicular to one another, four long four short antenna cut-off portions of described four strip antenna wings form the rectangle of a non-closed, the pattern line width of the utility model 3D radio-frequency antenna is not less than 2 millimeters, the figure in 3D antenna resonance chamber is simple, easily manufacture the punch die of die-cut antenna, not only have high reading sensitivity, and cost is low, do not pollute, be convenient to spread 3D radio-frequency technique.
Description
[technical field]
The utility model relates to a kind of 3D radio frequency identifying antenna.
[background technology]
Traditional 3D antenna, have omnibearing reading sensitivity, but figure is very complicated, the punch die making die-cut antenna is very difficult, and traditional method for chemially etching can only be adopted to manufacture 3D radio-frequency antenna, cause manufacturing cost high, contaminated environment, and the decay of radiofrequency signal is fairly obvious, and reading sensitivity is low, it is higher that market demand one reads sensitivity, free of contamination RFID antenna.
[utility model content]
The technical problems to be solved in the utility model overcomes above-mentioned defect, a kind of 3D radio frequency identifying antenna is provided, RFID antenna of the present utility model, not only easily manufacture the punch die of die-cut antenna, its structure and shape facility make radio frequency chip absorb more electromagnetic wave, have high reading sensitivity, and cost are low, do not pollute, be convenient to spread 3D REID.
Technical solutions of the utility model are as described below:
A kind of 3D radio frequency identifying antenna, comprise radio-frequency antenna body, it is characterized in that, by resonant cavity wire loop around forming circular resonant chamber, a cross antenna portion is formed by four sections of antennas in described resonant cavity, described central indentation place of cross antenna portion is chip bonding position, described resonant cavity is outside equipped with four strip antenna wings, four described strip antenna wings are the parts extended by the outside different directions of section antenna of four in resonant cavity, the four described strip antenna wing other ends are one is long and the other is short two strip antenna cut-off portions perpendicular to one another, four long four short antenna cut-off portions of described four strip antenna wings form the rectangle of a non-closed, the diameter in described circular resonant chamber is 30 millimeters, the width in described antenna cut-off portion is 2 millimeters, the rectangular length of described non-closed is 90 millimeters, width is 44 millimeters.
According to above-mentioned technical characteristic, the beneficial effects of the utility model are, the pattern line width of the utility model 3D radio-frequency antenna is not less than 2 millimeters, the figure in 3D antenna resonance chamber is simple: add cross figure in annulus, easily manufacture the punch die of die-cut antenna, make 3D radio-frequency antenna by clicking technique mode and not only have high reading sensitivity, and cost is low, do not pollute, be convenient to spread 3D radio-frequency technique.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model.
Fig. 2 is technical parameter schematic diagram of the present utility model in Fig. 1.
Fig. 3 is under different read-write power, and the utility model and market like product read the comparison diagram of distance.
Fig. 4 is under 20DB reads and writes power, the comparison diagram of the utility model and market like product read direction characteristic.
In the drawings: 1, resonant cavity line; 2, resonant cavity; 3, antenna; 4, chip bonding position; 5, antenna wing; 6, antenna cut-off portion.
[embodiment]
As Fig. 1, shown in 2, by resonant cavity line 1 around forming circular resonant chamber 2, a cross antenna portion is formed by four sections of antennas 3 in described resonant cavity 2, described central indentation place of cross antenna portion is chip bonding position 4, described resonant cavity is outside equipped with four strip antenna wings 5, four described strip antenna wings 5 are the parts extended by the outside different directions of section antenna of four in resonant cavity 23, four described strip antenna wing 5 other ends are one is long and the other is short two strip antenna cut-off portions 6 perpendicular to one another, four long four short antenna cut-off portions 6 of described four strip antenna wings 5 form the rectangle of a non-closed, the diameter in described circular resonant chamber 2 is 30 millimeters, the width L1 in described antenna cut-off portion is 2 millimeters, the rectangular length L2 of described non-closed is 90 millimeters, width L3 is 44 millimeters.
As shown in Fig. 3 and following table, under different read-write power, the utility model and market like product read the contrast of distance:
As shown in Fig. 4 and following table, under reading and writing power at 20DB, the contrast of the utility model and market like product read direction characteristic:
In conjunction with above data, RFID antenna of the present utility model, not only easily manufactures the punch die of die-cut antenna, its structure and shape facility make radio frequency chip absorb more electromagnetic wave, have high reading sensitivity, and cost are low, do not pollute, be convenient to spread 3D REID.
Claims (1)
1. a 3D radio frequency identifying antenna, comprise radio-frequency antenna body, it is characterized in that, by resonant cavity wire loop around forming circular resonant chamber, a cross antenna portion is formed by four sections of antennas in described resonant cavity, described central indentation place of cross antenna portion is chip bonding position, described resonant cavity is outside equipped with four strip antenna wings, four described strip antenna wings are the parts extended by the outside different directions of section antenna of four in resonant cavity, the four described strip antenna wing other ends are one is long and the other is short two strip antenna cut-off portions perpendicular to one another, four long four short antenna cut-off portions of described four strip antenna wings form the rectangle of a non-closed, the diameter in described circular resonant chamber is 30 millimeters, the width in described antenna cut-off portion is 2 millimeters, the rectangular length of described non-closed is 90 millimeters, width is 44 millimeters.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520139442.4U CN204407487U (en) | 2015-03-12 | 2015-03-12 | A kind of 3D radio frequency identifying antenna |
| PCT/CN2015/074670 WO2016141600A1 (en) | 2015-03-12 | 2015-03-20 | 3d wireless radio-frequency identification antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520139442.4U CN204407487U (en) | 2015-03-12 | 2015-03-12 | A kind of 3D radio frequency identifying antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204407487U true CN204407487U (en) | 2015-06-17 |
Family
ID=53431324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520139442.4U Expired - Fee Related CN204407487U (en) | 2015-03-12 | 2015-03-12 | A kind of 3D radio frequency identifying antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204407487U (en) |
| WO (1) | WO2016141600A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7893887B2 (en) * | 2007-03-27 | 2011-02-22 | Avery Dennison Corporation | Antenna for RFID device reader, and method of use |
| CN102332634A (en) * | 2010-07-12 | 2012-01-25 | 国民技术股份有限公司 | Dual-mode antenna for radio frequency identification and radio frequency identification device |
| JP5718720B2 (en) * | 2011-02-22 | 2015-05-13 | アピックヤマダ株式会社 | RFID tag, non-contact power supply antenna component, manufacturing method thereof, and mold |
| US8632009B2 (en) * | 2012-05-17 | 2014-01-21 | Auden Techno Corp. | Near field magnetic coupling antenna and RFID reader having the same |
| CN203950920U (en) * | 2014-07-15 | 2014-11-19 | 深圳市骄冠科技实业有限公司 | A kind of RFID radio-frequency label antenna for 3D chip |
-
2015
- 2015-03-12 CN CN201520139442.4U patent/CN204407487U/en not_active Expired - Fee Related
- 2015-03-20 WO PCT/CN2015/074670 patent/WO2016141600A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016141600A1 (en) | 2016-09-15 |
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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 |
Granted publication date: 20150617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |