CN219418172U - Anti-metal electronic tag - Google Patents
Anti-metal electronic tag Download PDFInfo
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- CN219418172U CN219418172U CN202222943645.1U CN202222943645U CN219418172U CN 219418172 U CN219418172 U CN 219418172U CN 202222943645 U CN202222943645 U CN 202222943645U CN 219418172 U CN219418172 U CN 219418172U
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- radiating element
- electronic tag
- metal
- metal electronic
- base plate
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Abstract
The utility model discloses an anti-metal electronic tag, which comprises: an antenna base plate; the antenna base plate is electrically connected with the first radiating unit; a chip electrically connected to the first radiating element; a second radiating element coupled with the first radiating element. Therefore, the bandwidth of the anti-metal electronic tag can be increased by arranging the second radiation unit, and the gain of the anti-metal electronic tag can be increased, so that the identification distance of the anti-metal electronic tag can be increased, the sensitivity of the anti-metal electronic tag can be increased, the adaptability of the anti-metal electronic tag can be improved, and the application range and effect of the anti-metal electronic tag can be improved.
Description
Technical Field
The utility model relates to the field of labels, in particular to an anti-metal electronic label.
Background
In the related art, with the development of RFID (Radio Frequency Identification-radio frequency identification) technology, the requirements on the performance of the electronic tag are higher and higher, and the electronic tag is particularly resistant to metal. The existing electronic tag has the defects of narrow bandwidth, low gain, poor adaptability, short identification distance and limited application range and effect of a single electronic tag.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide an anti-metal electronic tag with wide bandwidth, high gain, long recognition distance and good adaptability.
The anti-metal electronic tag according to the present utility model includes: an antenna base plate; the antenna base plate is electrically connected with the first radiating unit; a chip electrically connected to the first radiating element; a second radiating element coupled with the first radiating element.
According to the anti-metal electronic tag, the bandwidth of the anti-metal electronic tag can be increased by arranging the second radiation unit, and the gain of the anti-metal electronic tag can be increased, so that the identification distance of the anti-metal electronic tag can be increased, the sensitivity of the electronic tag can be increased, the adaptability of the anti-metal electronic tag can be improved, and the application range and effect of the anti-metal electronic tag can be improved.
In some embodiments of the present utility model, the anti-metal electronic tag further includes: the antenna base plate and the first radiating unit are respectively attached to the antenna base plate.
In some embodiments of the utility model, the antenna substrate has opposite first and second sides, the first side being provided with one of the antenna base plate and the first radiating element, and the second side being provided with the other of the antenna base plate and the first radiating element.
In some embodiments of the present utility model, the anti-metal electronic tag further includes: and the metal connecting piece is connected between the antenna base plate and the first radiating unit.
In some embodiments of the utility model, the antenna substrate is provided with a through hole penetrating the antenna substrate, and the metal connector is arranged in the through hole.
In some embodiments of the present utility model, the first radiating element and the second radiating element are located on the same side of the antenna substrate, and the first radiating element and the second radiating element are opposite and spaced apart in a thickness direction of the anti-metal electronic tag.
In some embodiments of the utility model, the chip is located between the first radiating element and the second radiating element.
In some embodiments of the utility model, the first radiating element comprises a first sub-radiating element and a second sub-radiating element, the first sub-radiating element and the second sub-radiating element being opposite and spaced apart, the chip being electrically connected to both the first sub-radiating element and the second sub-radiating element.
In some embodiments of the utility model, the second radiating element is at least one.
In some embodiments of the present utility model, the anti-metal electronic tag further includes: the antenna base plate, the first radiating element, the chip and the second radiating element are all arranged in the shell.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a cross-sectional view of a metal resistant electronic label in accordance with an embodiment of the present utility model.
Reference numerals:
an anti-metal electronic tag 100;
an antenna base plate 10;
a first radiation unit 20; a first sub-radiating element 21; a second sub-radiating element 22;
a chip 30;
a second radiation unit 40;
an antenna substrate 50; a through hole 51;
a metal connector 60;
a housing 70.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
An anti-metal electronic tag 100 according to an embodiment of the present utility model is described below with reference to fig. 1.
As shown in fig. 1, an anti-metal electronic tag 100 according to an embodiment of the present utility model includes: an antenna chassis 10, a first radiating element 20, a chip 30 and a second radiating element 40. The antenna base plate 10 is a metal plate, for example: the antenna chassis 10 may be made of a metal material such as copper, aluminum, or the like. The first radiating element 20 is a metal piece, for example: the first radiating element 20 may be made of a metal material such as copper, aluminum, etc., and the first radiating element 20 may have a plate-like structure, and the antenna base plate 10 is electrically connected to the first radiating element 20. The chip 30 is electrically connected to the first radiating element 20, and the second radiating element 40 is a metal piece, for example: the second radiating element 40 may be made of a metal material such as copper, aluminum, etc., the second radiating element 40 may be a plate-shaped structure, the second radiating element 40 may be a director, the second radiating element 40 is coupled to the first radiating element 20, and it may be understood that the second radiating element 40 is coupled to the first radiating element 20.
When the reader-writer reads the anti-metal electronic tag 100, the reader-writer sends out electromagnetic pulse, and the anti-metal electronic tag 100 receives the electromagnetic pulse sent by the reader-writer through an antenna (formed by an antenna bottom plate 10, a first radiating unit 20 and a second radiating unit 40), and because the chip 30 is electrically connected with the first radiating unit 20, the stored information is sent to the reader-writer after the energy received by the chip 30 exceeds the minimum starting power. The antenna bottom plate 10 is arranged in the anti-metal electronic tag 100, so that the anti-metal electronic tag 100 has anti-metal performance, the first radiating unit 20 and the second radiating unit 40 are arranged, the chip 30 can receive the resonant frequency of the first radiating unit 20 and the resonant frequency of the second radiating unit 40, the two resonant frequencies are properly close by adjusting the parameters of the first radiating unit 20 and the second radiating unit 40, the dual-peak resonance with greatly widened frequency bands is formed, the bandwidth of the anti-metal electronic tag 100 can reach more than 2 times of the bandwidth of a common anti-metal electronic tag, the total working frequency of the anti-metal electronic tag 100 is widened, the bandwidth of the anti-metal electronic tag 100 is increased, the identification consistency of the anti-metal electronic tag 100 in practical application is better, the direction of the antenna can be concentrated by the second radiating unit 40, the antenna gain is higher, the identification distance of the anti-metal electronic tag 100 can be increased, the sensitivity of the anti-metal electronic tag 100 is improved, and the environment adaptability of the anti-metal electronic tag 100 after the identification distance, the environmental consistency of the anti-metal electronic tag 100 and the production performance of the anti-metal electronic tag 100 can be improved by using the antenna of the application under the condition of other factors are consistent.
Therefore, by arranging the second radiation unit 40, the bandwidth of the anti-metal electronic tag 100 can be increased, and the gain of the anti-metal electronic tag 100 can be increased, so that the identification distance of the anti-metal electronic tag 100 can be increased, the sensitivity of the anti-metal electronic tag 100 can be increased, the adaptability of the anti-metal electronic tag 100 can be improved, and the application range and effect of the anti-metal electronic tag 100 can be improved.
In some embodiments of the present utility model, as shown in fig. 1, the anti-metal electronic tag 100 may further include: the antenna substrate 50, the antenna base plate 10 and the first radiating element 20 are all attached to the antenna substrate 50, further, the antenna substrate 50 may be a PCB (Printed circuit board-printed circuit board) board, the antenna base plate 10 may be adhered to the surface of the antenna substrate 50 by an adhesive (e.g. a structural adhesive), the first radiating element 20 may also be adhered to the surface of the antenna substrate 50 by an adhesive (e.g. a structural adhesive), but the utility model is not limited thereto, the antenna base plate 10 may also be welded to the surface of the antenna substrate 50, the first radiating element 20 may also be welded to the surface of the antenna substrate 50, and thus, the antenna base plate 10 and the first radiating element 20 may be reliably fixed to the antenna base plate 50, and the relative movement between the positions of the antenna base plate 10 and the first radiating element 20 may be avoided, so that the separation of the antenna base plate 10 and the first radiating element 20 may be avoided to cause the disconnection of the electrical connection between the antenna base plate 10 and the first radiating element 20, and the usability of the anti-metal electronic tag 100 may be ensured.
In some embodiments of the present utility model, as shown in fig. 1, the anti-metal electronic tag 100 may further include: the housing 70, the antenna substrate 50, the antenna chassis 10, the first radiating element 20, the chip 30, and the second radiating element 40 are all disposed within the housing 70. Further, the housing 70 may be made of a non-metal material, and by disposing the antenna substrate 50, the antenna base plate 10, the first radiating element 20, the chip 30, and the second radiating element 40 in the housing 70, the housing 70 may protect the antenna substrate 50, the antenna base plate 10, the first radiating element 20, the chip 30, and the second radiating element 40 from being exposed to the external environment, and may prevent the antenna substrate 50, the antenna base plate 10, the first radiating element 20, the chip 30, and the second radiating element 40 from being damaged by objects in the external environment, thereby ensuring the operation performance of the anti-metal electronic tag 100.
In some embodiments of the present utility model, as shown in fig. 1, the antenna substrate 50 has a first side and a second side opposite to each other, and it is to be noted that, when the anti-metal electronic tag 100 is placed in the direction of fig. 1, the upper side of the antenna substrate 50 is one of the first side and the second side, the lower side of the antenna substrate 50 is the other of the first side and the second side, and the application is described taking the upper side of the antenna substrate 50 as the first side and the lower side of the antenna substrate 50 as the second side as an example. The first side is provided with one of the antenna base plate 10 and the first radiating element 20, and the second side is provided with the other of the antenna base plate 10 and the first radiating element 20, and the present application describes an example in which the first radiating element 20 is provided on the first side of the antenna substrate 50 and the antenna base plate 10 is provided on the second side of the antenna substrate 50. By arranging the antenna base plate 10, the antenna base plate 50 and the first radiating element 20 in this way, the antenna base plate 10, the antenna base plate 50 and the first radiating element 20 can be integrally compact, so that the anti-metal electronic tag 100 can be appropriately sized in structure, and the gain of the antenna can be increased.
In some embodiments of the present utility model, as shown in fig. 1, the anti-metal electronic tag 100 may further include: a metal connection member 60, the metal connection member 60 being connected between the antenna base plate 10 and the first radiating element 20. Further, the metal connector 60 may be made of copper, but the present utility model is not limited thereto, and the metal connector 60 may be made of other metal materials having the same function as copper, further, the metal connector 60 is welded to the antenna base plate 10 and the first radiating element 20, or the metal connector 60 is clamped to the antenna base plate 10 and the first radiating element 20. The metal connection member 60 has a conductive function, and by connecting the metal connection member 60 between the antenna base plate 10 and the first radiating element 20, the electrical connection between the antenna base plate 10 and the first radiating element 20 can be realized, and the workability of the anti-metal electronic tag 100 can be ensured.
In some embodiments of the present utility model, as shown in fig. 1, the antenna substrate 50 is provided with a through hole 51 penetrating the antenna substrate 50, further, the through hole 51 extends along a thickness direction of the antenna substrate 50 to penetrate the antenna substrate 50, when the anti-metal electronic tag 100 is placed in a direction shown in fig. 1, the thickness direction of the antenna substrate 50 refers to an up-down direction in fig. 1, and the metal connection piece 60 is disposed in the through hole 51, so that the metal connection piece 60 can be prevented from occupying a space in the housing 70, and the structure of the anti-metal electronic tag 100 can be more compact.
Further, the metal connector 60 may be provided in a columnar structure, and the outer contour of the metal connector 60 is identical to the inner contour of the through hole 51, so that the metal connector 60 can be secured to be mounted in the through hole 51, and by providing the metal connector 60 in a columnar structure, the cross-sectional area of the metal connector 60 can be increased, and the metal connector 60 can be secured to be in reliable contact with the antenna chassis 10, the first radiating element 20.
In some embodiments of the present utility model, as shown in fig. 1, the first radiating element 20 and the second radiating element 40 are located on the same side of the antenna substrate 50, further, as shown in fig. 1, when the anti-metal electronic tag 100 is placed in the direction of fig. 1, the first radiating element 20 and the second radiating element 40 are located on the upper side of the antenna substrate 50, and in the thickness direction of the anti-metal electronic tag 100, the first radiating element 20 and the second radiating element 40 are opposite and spaced apart, so that the first radiating element 20 and the second radiating element 40 can be guaranteed to be coupled and connected, which can further widen the overall working frequency of the anti-metal electronic tag 100 and further increase the bandwidth of the anti-metal electronic tag 100.
In some embodiments of the present utility model, the chip 30 is located between the first radiating element 20 and the second radiating element 40, and it is also understood that the chip 30 is disposed between the first radiating element 20 and the second radiating element 40, and as shown in fig. 1, the chip 30 is disposed between the first radiating element 20 and the second radiating element 40 in the thickness direction of the anti-metal electronic tag 100. The arrangement can enable the antenna substrate 50, the antenna base plate 10, the first radiating element 20, the chip 30 and the second radiating element 40 to be stacked together, so that the thickness dimension of the anti-metal electronic tag 100 is suitable, and the chip 30 can be prevented from occupying other space in the housing 70, so that the arrangement position of the chip 30 is reasonable.
In some embodiments of the present utility model, as shown in fig. 1, the first radiating element 20 includes a first sub-radiating element 21 and a second sub-radiating element 22, the first sub-radiating element 21 and the second sub-radiating element 22 being disposed opposite and spaced apart, and the chip 30 is electrically connected to both the first sub-radiating element 21 and the second sub-radiating element 22. When the anti-metal electronic tag 100 is placed in the direction of fig. 1, the first sub-radiation unit 21 and the second sub-radiation unit 22 may be disposed opposite to and spaced apart from each other in a direction parallel to the horizontal plane, so that the anti-metal electronic tag 100 can be ensured to work.
In some embodiments of the present utility model, the second radiating elements 40 are at least one, that is, the number of the second radiating elements 40 of the anti-metal electronic tag 100 is at least one, further, the number of the second radiating elements 40 is multiple, by setting the first radiating element 20 and the plurality of second radiating elements 40, the chip 30 can receive the resonant frequency of the first radiating element 20 and the resonant frequency of the plurality of second radiating elements 40, by adjusting the parameters of the first radiating element 20 and the plurality of second radiating elements 40, the plurality of resonant frequencies are appropriately close to form a multi-peak resonance with a wide frequency band, the bandwidth of the anti-metal electronic tag 100 can reach multiple times of the bandwidth of a common anti-metal electronic tag, so that the total working frequency of the anti-metal electronic tag 100 is further widened, the bandwidth of the anti-metal electronic tag 100 is further increased, the identification uniformity of the anti-metal electronic tag 100 is better in practical application, and the plurality of second radiating elements 40 can concentrate the direction of the antenna, the antenna gain is higher, and the gain of the anti-metal electronic tag 100 is further increased, so that the identification distance of the anti-metal electronic tag 100 can be further increased, and the anti-metal electronic tag 100 is further identified.
In some embodiments of the present utility model, the housing 70 may be provided with a mounting structure, which may be provided on an outer surface of the housing 70, which may be configured as an adhesive structure, for example: the adhesive structure is a structural adhesive, an adhesive tape, or the like, and the anti-metal electronic tag 100 can be adhered to other objects through the mounting structure.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An anti-metal electronic tag, comprising:
an antenna base plate;
the antenna base plate is electrically connected with the first radiating unit;
a chip electrically connected to the first radiating element;
a second radiating element coupled with the first radiating element.
2. The anti-metal electronic tag of claim 1, further comprising: the antenna base plate and the first radiating unit are respectively attached to the antenna base plate.
3. The anti-metal electronic tag of claim 2, wherein the antenna substrate has opposing first and second sides, the first side being provided with one of the antenna base and the first radiating element, the second side being provided with the other of the antenna base and the first radiating element.
4. The anti-metal electronic tag of claim 2, further comprising: and the metal connecting piece is connected between the antenna base plate and the first radiating unit.
5. The anti-metal electronic tag according to claim 4, wherein the antenna substrate is provided with a through hole penetrating the antenna substrate, and the metal connector is provided in the through hole.
6. The anti-metal electronic tag according to claim 4, wherein the first radiation unit and the second radiation unit are located on the same side of the antenna substrate, and the first radiation unit and the second radiation unit are opposite and spaced apart in a thickness direction of the anti-metal electronic tag.
7. The anti-metal electronic tag of claim 5, wherein said chip is located between said first radiating element and said second radiating element.
8. A metal resistant electronic label according to claim 3 wherein said first radiating element comprises a first sub-radiating element and a second sub-radiating element, said first sub-radiating element and said second sub-radiating element being opposite and spaced apart, said chip being electrically connected to both said first sub-radiating element and said second sub-radiating element.
9. The anti-metal electronic tag of claim 1, wherein said second radiating element is at least one.
10. The anti-metal electronic tag of any one of claims 1-9, further comprising: the antenna base plate, the first radiating element, the chip and the second radiating element are all arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222943645.1U CN219418172U (en) | 2022-11-04 | 2022-11-04 | Anti-metal electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222943645.1U CN219418172U (en) | 2022-11-04 | 2022-11-04 | Anti-metal electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418172U true CN219418172U (en) | 2023-07-25 |
Family
ID=87243264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222943645.1U Active CN219418172U (en) | 2022-11-04 | 2022-11-04 | Anti-metal electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418172U (en) |
-
2022
- 2022-11-04 CN CN202222943645.1U patent/CN219418172U/en active Active
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