CN214846780U - Passive ultrahigh frequency electronic tag - Google Patents
Passive ultrahigh frequency electronic tag Download PDFInfo
- Publication number
- CN214846780U CN214846780U CN202120081699.4U CN202120081699U CN214846780U CN 214846780 U CN214846780 U CN 214846780U CN 202120081699 U CN202120081699 U CN 202120081699U CN 214846780 U CN214846780 U CN 214846780U
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- China
- Prior art keywords
- antenna
- short circuit
- circuit ring
- electronic tag
- feed point
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- 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
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
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- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
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- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
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- 230000005540 biological transmission Effects 0.000 description 4
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Images
Abstract
The utility model relates to a passive hyperfrequency electronic tags belongs to data identification technical field. The antenna comprises a substrate, an antenna and a chip, wherein the substrate is used for fixing the antenna and the chip, the antenna is square, the antenna comprises a closed-loop short circuit ring and a dipole, the short circuit ring is located in the middle of the antenna and consists of a square wave and a top end load, the dipole is located on the left side and the right side of the short circuit ring and extends to form a left arm and a right arm respectively, the left arm and the right arm are arranged in a mirror image mode, the short circuit ring is provided with a first feed point and a second feed point, the first feed point and the second feed point are located on the top points of the left corner and the right corner of one side of the short circuit ring respectively, the left arm and the right arm extend to two sides from the first feed point and the second feed point which are arranged on the short circuit ring respectively, the top end load is formed by a regular quadrangle and a rectangle, and two ends of the square wave are connected with the short circuit ring and the top end load respectively. The passive ultrahigh frequency electronic tag has the advantages of long reading distance, wide bandwidth, low cost, high performance and wide application range, and can be used in the scenes of asset management, warehouse management, logistics transportation and the like.
Description
Technical Field
The utility model relates to a passive hyperfrequency electronic tags belongs to data identification technical field.
Background
With the development of the internet of things industry, the ultrahigh frequency radio frequency identification technology is more and more widely applied to scenes such as fixed asset management, warehouse management, logistics transportation and the like due to the characteristics of low cost, high performance and the like. Various types of articles in an application scene are various, the ultrahigh frequency electronic tag is required to have universal applicability, a certain reading distance and reading rate are achieved in the application scene, and specific application is facilitated.
Chinese patent CN103646275 discloses a passive electronic tag, wherein the dipole is provided with left and right arms which are mirror images of each other, the left arm is composed of two square waves and a top loading, wherein the two square wave segments are orthogonally connected at the end, the top loading is rectangular, the working frequency of the antenna can be conveniently adjusted by adjusting the sizes of the square waves and the top loading, and the impedance of the antenna can be adjusted by adjusting the sizes of the short loop and the top loading, so that the impedance of the antenna is conjugated with the chip, and the tag outputs the maximum power, thereby prolonging the reading and writing distance.
However, the passive electronic tag still has the disadvantages of short reading distance and limited bandwidth due to the limitation of the antenna, the top loading shape design and the arrangement of the connection point of the square wave and the short loop, and cannot meet the requirements on the reading distance and the bandwidth in multiple scenes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a passive hyperfrequency electronic tags, the problem of mentioning in the background art has been solved to not enough to prior art exists.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a passive hyperfrequency electronic tags, including the base plate, antenna and chip, the base plate is used for fixed antenna and chip, the antenna is square, the antenna includes closed loop's short circuit ring sum dipole, the short circuit ring is located the intermediate position of antenna, the dipole comprises square wave and top loading, the dipole is located the left and right sides of short circuit ring, extend respectively and form left arm, right arm, left arm and right arm are the mirror image setting, the short circuit ring is provided with first, the second is presented a little, first is presented a little and the second is presented a little and is located the summit at the left and right corners of short circuit ring one side respectively, left arm, right arm extend to both sides from setting up in the first is presented a little and the second is presented a little of short circuit ring, the shape of top loading comprises a positive quadrangle and a rectangle, the square wave both ends are connected with short circuit ring and top loading respectively. The number of square waves is 1-3.
The chip placing position is a connecting position where the short circuit ring is far away from the left arm and the right arm of the antenna, and the size of the short circuit ring and the top loading can be adjusted according to actual needs.
The chip is bound to the short circuit ring by a gold wire or an aluminum wire for a binding machine, or the chip is inversely packaged on the short circuit ring by conductive adhesive.
The antenna can be made of copper, aluminum, silver, graphene or conductive ink. The antenna can be fixedly connected with the substrate through an etching process, a printing process, an electroplating process or a vacuum coating process.
The substrate is made of flexible insulating material. The substrate is made of coated paper, polyvinyl chloride (PVC), Polyimide (PI), polyethylene terephthalate (PET), or resin adhesive ABS and PP synthetic paper. The thickness of the substrate is 0.15mm to 0.25mm, the length of the substrate is 95cm to 115cm, and the width of the substrate is 10cm to 16 cm.
The transmission efficiency of the antenna of the high-frequency electronic tag is closely related to the dielectric constant and the thickness of the substrate material, and the transmission efficiency of the antenna is obviously reduced along with the increase of the dielectric constant.
The ultrahigh frequency electronic tag is sheet-shaped. The ultrahigh frequency electronic tag is provided with release paper on one side of the substrate. When in use, the release paper is torn off, and then the electronic tag is pasted on the surface of the managed object.
According to the passive ultrahigh frequency electronic tag, the antenna is set to be square, the top end of the antenna is loaded to be set to be in a shape formed by a regular quadrangle and a rectangle, the left arm and the right arm are arranged at the top points of the left corner and the right corner of one side of the short circuit ring, and the far reading distance and the wide bandwidth are obtained. Meanwhile, the working frequency of the antenna can be conveniently adjusted by adjusting the size of the square wave and the dipole, the impedance of the antenna can be adjusted by adjusting the size of the short circuit ring and the size of the top loading, and the impedance of the antenna is matched with the impedance of the chip in a conjugate manner, so that the ultrahigh frequency electronic tag outputs the maximum power, and the purpose of improving the read-write distance is further achieved, for example: the size of the short circuit ring can be adjusted according to the length, width, materials and the like of the label required by an ultrahigh frequency electronic label manufacturer, so that the impedance of the antenna and the impedance of the chip are conjugated to achieve the purpose of outputting the maximum power.
Has the advantages that: the ultrahigh frequency electronic tag adopting the structure can obtain a longer reading distance and a wider bandwidth, has the advantages of low cost and high performance, has a stronger application range, and is used for scenes such as asset management, warehouse management, logistics transportation and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention
Reference numerals: 1. the antenna comprises a substrate 2, an antenna 3, a chip 4, a short circuit ring 5, a top loading 6, a first feed point 7, a second feed point 8, a left arm 9, a right arm 10 and a square wave
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a passive ultrahigh frequency electronic tag comprises a substrate 1, an antenna 2 and a chip 3, wherein the substrate 1 is used for fixing the antenna 2 and the chip 3, the antenna 2 is square, the antenna 2 comprises a closed-loop short circuit ring 4 and a dipole, the short circuit ring 4 is located in the middle of the antenna 2, the dipole is composed of a square wave 10 and a top loading 5, the dipole is located on the left side and the right side of the short circuit ring 4 and respectively extends to form a left arm 8 and a right arm 9, the left arm 8 and the right arm 9 are arranged in a mirror image manner, the short circuit ring 4 is provided with a first, and a second feed point, wherein the first feed point 6 and the second feed point 7 are respectively positioned at the vertexes of the left corner and the right corner of one side of the short circuit ring 4, the left arm and the right arm respectively extend towards two sides from the first feed point 6 and the second feed point 7 which are arranged on the short circuit ring 4, the top loading 5 is formed by a regular quadrangle and a rectangle, and two ends of the square wave 10 are respectively connected with the short circuit ring 4 and the top loading 5. The number of square waves 10 is 1-3.
The chip 3 is placed the position and is kept away from the connected position of antenna 2 left and right arm for short circuit ring 4, and the size of short circuit ring 4 and top loading 5 can be adjusted according to actual need.
The antenna 2 may be made of copper, aluminum, silver, graphene or conductive ink. The antenna 2 may be fixedly connected to the substrate 1 through an etching process, a printing process, an electroplating process, or a vacuum coating process.
The substrate 1 is made of a flexible insulating material. The substrate 1 is made of coated paper, polyvinyl chloride PVC, polyimide PI, polyethylene terephthalate PET, or resin adhesive ABS, PP synthetic paper. The thickness of the substrate 1 is 0.15mm to 0.25mm, and the length of the substrate 1 is 95cm to 115cm and the width is 10cm to 16 cm.
The transmission efficiency of the antenna 2 of the high-frequency electronic tag has a close relation with the dielectric constant and the thickness of the material of the substrate 1, and the transmission efficiency of the antenna 2 is obviously reduced along with the increase of the dielectric constant.
The ultrahigh frequency electronic tag is sheet-shaped. The ultrahigh frequency electronic tag is provided with release paper on one side of the substrate 1. When in use, the release paper is torn off, and then the electronic tag is pasted on the surface of the managed object.
The passive ultrahigh frequency electronic tag obtains a far reading distance and a wide bandwidth by setting the antenna to be square, setting the top loading to be in a shape consisting of a regular quadrangle and a rectangle and setting the left arm and the right arm at the vertexes of the left corner and the right corner at one side of the short circuit ring. Meanwhile, the working frequency of the antenna can be conveniently adjusted by adjusting the size of the square wave and the dipole, the impedance of the antenna can be adjusted by adjusting the size of the short circuit ring and the size of the top loading, and the impedance of the antenna is matched with the impedance of the chip in a conjugate manner, so that the ultrahigh frequency electronic tag outputs the maximum power, and the purpose of improving the read-write distance is further achieved, for example: the size of the short circuit ring can be adjusted according to the length, width, materials and the like of the label required by an ultrahigh frequency electronic label manufacturer, so that the impedance of the antenna and the impedance of the chip are conjugated to achieve the purpose of outputting the maximum power.
Although the present invention has been described above by way of examples, it should be understood by those skilled in the art that modifications and variations of the present invention are within the scope of the present invention without departing from the spirit and nature of the present invention.
In the description of the present invention, it should be understood that the terms "center", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings; the terminology used is for the purpose of describing the invention only and is not intended to be limiting, nor is it intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation; therefore, should not be construed as limiting the scope of the invention.
Claims (10)
1. A passive ultrahigh frequency electronic tag comprises a substrate, an antenna and a chip, wherein the substrate is used for fixing the antenna and the chip, the antenna is square, the antenna comprises a closed-loop short circuit ring and a dipole, the short circuit ring is positioned in the middle of the antenna, the dipole is formed by square waves and top loading, the dipole is positioned on the left side and the right side of the short circuit ring and respectively extends to form a left arm and a right arm, the left arm and the right arm are arranged in a mirror image mode, the short circuit ring is provided with a first feed point and a second feed point, the first feed point and the second feed point are respectively positioned at the vertexes of the left corner and the right corner of one side of the short circuit ring, the left arm and the right arm respectively extend to two sides from the first feed point and the second feed point which are arranged on the short circuit ring, and the top loading shape is formed by a regular quadrangle and a rectangle, and two ends of the square wave are respectively connected with the short circuit ring and the top loading.
2. A passive uhf electronic tag according to claim 1, wherein the number of square waves is 1-3.
3. The passive uhf electronic tag of claim 1, wherein the chip placement position is a connection position of the short-circuit ring away from the left and right arms of the antenna, and the dimensions of the short-circuit ring and the top loading can be adjusted according to actual needs.
4. A passive uhf electronic tag according to any one of claims 1-3, wherein the chip is bonded to the shorting ring with gold or aluminum wires by a bonding machine, or is flip-chip bonded to the shorting ring with conductive glue.
5. A passive uhf electronic tag according to any one of claims 1-3, wherein the antenna is made of copper, aluminum, silver, graphene or conductive ink.
6. A passive uhf electronic tag according to any one of claims 1-3, wherein the antenna is attached to the substrate by etching, printing, electroplating or vacuum coating.
7. A passive uhf electronic tag according to any one of claims 1-3, wherein the substrate is made of a flexible insulating material.
8. The passive ultrahigh frequency electronic tag according to claim 7, wherein the substrate is made of coated paper, polyvinyl chloride (PVC), Polyimide (PI), or polyethylene terephthalate (PET).
9. A passive uhf electronic tag according to any one of claims 1-3, wherein the substrate has a thickness of 0.15mm to 0.25mm, a length of 95cm to 115cm and a width of 10cm to 16 cm.
10. The passive ultrahigh frequency electronic tag according to claim 1, wherein the ultrahigh frequency electronic tag is in a sheet shape, and a release paper is arranged on one side of the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081699.4U CN214846780U (en) | 2021-01-13 | 2021-01-13 | Passive ultrahigh frequency electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081699.4U CN214846780U (en) | 2021-01-13 | 2021-01-13 | Passive ultrahigh frequency electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214846780U true CN214846780U (en) | 2021-11-23 |
Family
ID=78954221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120081699.4U Expired - Fee Related CN214846780U (en) | 2021-01-13 | 2021-01-13 | Passive ultrahigh frequency electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214846780U (en) |
-
2021
- 2021-01-13 CN CN202120081699.4U patent/CN214846780U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20211123 |