CN218100245U - Variable-frequency passive RFID electronic tag - Google Patents
Variable-frequency passive RFID electronic tag Download PDFInfo
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- CN218100245U CN218100245U CN202222346744.1U CN202222346744U CN218100245U CN 218100245 U CN218100245 U CN 218100245U CN 202222346744 U CN202222346744 U CN 202222346744U CN 218100245 U CN218100245 U CN 218100245U
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- electronic tag
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Abstract
The utility model discloses a passive RFID electronic tags of variable frequency, include the substrate antenna of being connected with the chip electricity and can form the coupling and receive the first coupling antenna of first frequency signal with the substrate antenna, this passive RFID electronic tags of variable frequency is still including the second coupling antenna of receiving second frequency signal, after first coupling antenna leaves with substrate antenna coupling position, this second coupling antenna can with substrate antenna coupling. When the RFID electronic tag is used, when the RFID electronic tag needs to adapt to a certain regional frequency band, the RFID electronic tag can form electric signal connection with the RFID electronic tag after being switched to a coupling antenna position capable of receiving the frequency band, and data reading and writing are realized; when the RFID electronic tag is required to adapt to another regional frequency band, the RFID electronic tag can be used for reading and writing data by switching the RFID electronic tag to the coupling antenna adapting to the frequency band. As only one electronic tag is needed to realize the reading and writing of the RFID electronic tags with different frequency bands, the applicability of the RFID electronic tags is improved.
Description
Technical Field
The utility model relates to an electronic tags field, in particular to passive RFID electronic tags of variable frequency.
Background
The existing electronic tags are more and more widely applied, not only are used on products, but also are used in the field of logistics, and due to the fact that the frequency band standards of RFID tags in all countries and regions are different, if the electronic tags used in a cross-region mode are read and written, the electronic tags in different frequency bands need to be used in different regions on export products, and the process is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a but passive RFID electronic tags of frequency conversion, and this but passive RFID electronic tags of frequency conversion can adapt to different frequency channels, adapts to different electronic tags standards.
In order to solve the problem, the utility model provides a passive RFID electronic tags of variable frequency, this passive RFID electronic tags of variable frequency, include the substrate antenna of being connected with the chip electricity and can form the coupling and receive the first coupling antenna of first frequency signal with the substrate antenna, this passive RFID electronic tags of variable frequency still includes the second coupling antenna of receiving second frequency signal, after first coupling antenna leaves with substrate antenna coupling position, this second coupling antenna can with substrate antenna coupling.
Furthermore, the second coupling antenna and the first coupling antenna are two antennas with different frequency bands.
Further, the second frequency signal comprises 865-868MHZ.
Further, the first frequency signal comprises 902-928MHz.
The frequency-variable passive RFID electronic tag comprises an electronic tag main body and a coupling antenna part which can move horizontally with the electronic tag main body, wherein an antenna electrically connected with a chip is arranged on the electronic tag main body, and the first coupling antenna and the second coupling antenna are respectively arranged on the coupling antenna part.
Furthermore, the electronic tag main body is provided with an indication position corresponding to the frequency band.
Further, the electronic tag main body is provided with a guide groove for the coupling antenna part to move.
Further, the first coupling antenna and the second coupling antenna respectively comprise a coupling part and a receiving part connected with the coupling part.
Further, the coupling portion is arc-shaped.
Further, the arc shape includes a circular arc shape.
The utility model provides a passive RFID electronic tags of variable frequency, include the substrate antenna of being connected with the chip electricity and can form the coupling and receive the first coupling antenna of first frequency signal with the substrate antenna, this passive RFID electronic tags of variable frequency is still including the second coupling antenna of receiving second frequency signal, after first coupling antenna leaves with substrate antenna coupling position, this second coupling antenna can with substrate antenna coupling. When the RFID electronic tag is used, when the RFID electronic tag needs to adapt to a certain regional frequency band, the RFID electronic tag can form electric signal connection with the RFID electronic tag after being switched to a coupling antenna position capable of receiving the frequency band, and data reading and writing are realized; when the RFID electronic tag is required to adapt to another regional frequency band, the RFID electronic tag can be used for reading and writing data by switching the RFID electronic tag to the coupling antenna adapting to the frequency band. As only one electronic tag is needed to realize the reading and writing of the RFID electronic tags with different frequency bands, the applicability of the RFID electronic tags is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description are 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 a variable frequency passive RFID electronic tag.
Fig. 2 isbase:Sub>A schematic sectional view of the structure in the direction ofbase:Sub>A-base:Sub>A in fig. 1.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be understood that in the embodiments of the present invention, all directional terms, such as "upper", "lower", "left", "right", "front", "back", etc., are used herein based on the orientation and position shown in the drawings or the orientation and position of the product, and are not intended to limit the present invention, but to simplify the description of the present invention. For the purpose of explaining the relative positional relationship between the respective members, the movement, and the like in the drawings, when the specific posture is changed, the directional indication may be changed accordingly.
Furthermore, the use of ordinal numbers such as "first", "second", etc., in the present application is for distinguishing purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. The features defining "first" and "second" may be explicit or implicit in relation to at least one of the technical features. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.
In the present invention, unless explicitly specified or limited otherwise, the terms "mounting," "setting," "connecting," "fixing," "screwing" and the like are to be understood in a broad sense, and for example, the positional relationship between the components may be relatively fixed, or the components may be physically fixed and connected, or may be detachably connected, or may be integrated into a single structure; the connection can be mechanical connection or electrical signal connection; either directly or indirectly through intervening media or components; the two elements may be connected to each other or may be in an interaction relationship with each other, and unless otherwise explicitly limited by the specification, the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations, except that the corresponding function or effect cannot be achieved in other understanding.
The controller and the control circuit that the present invention may relate to are conventional control techniques or units for those skilled in the art, and the control circuit of the controller may be implemented by those skilled in the art using conventional techniques, such as simple programming. Software or programs related to the implementation of the control result in cooperation with hardware, such as software or program control procedures related to the implementation of the control result, which are not described in detail in the specification, belong to the technical field of the prior art or the routine of a person with ordinary skill in the art. The power also adopts belong to this field of prior art, and the utility model discloses main utility model technical point lies in improving mechanical device, so the utility model discloses no longer explain in detail concrete circuit control relation and circuit connection.
As shown in fig. 1-2, the present invention provides a variable frequency passive RFID tag.
The variable-frequency passive RFID electronic tag comprises a substrate antenna 11 electrically connected with a chip 12 and a first coupling antenna 2 which is electrically connected with the substrate antenna 11 and can form coupling with the substrate antenna 11 and receive a first frequency signal, and the variable-frequency passive RFID electronic tag also comprises a second coupling antenna 4 which receives a second frequency signal, wherein after the first coupling antenna 2 leaves the coupling position with the substrate antenna 11, the second coupling antenna 4 can be coupled with the substrate antenna 11.
Specifically, the second coupled antenna 4 can only receive the second frequency signal, the first coupled antenna 2 can only receive the first frequency signal, the first frequency signal and the second frequency signal are two different frequency band antennas, wherein the second frequency signal received by the second coupled antenna can be 865-868MHZ, that is, 865-868MHZ, and the first frequency signal received by the first coupled antenna can be 902-928MHZ, that is, 902-928MHZ. Of course, the first frequency signal and the second frequency signal are not limited to the above-mentioned frequency bands as necessary. By changing the coupling effect between the substrate antenna 11 and the coupling antenna receiving different frequencies, the RFID electronic tag can be suitable for reading and writing at different frequencies and better adapts to reading and writing at different frequency bands. Bringing convenience to the use.
The first coupling antenna 2 and the second coupling antenna 4 each include a coupling portion and a receiving portion connected to the coupling portion. Namely, the first coupling antenna 2 includes a first coupling portion 21 and a first receiving portion 20 connected to the first coupling portion 21; the second coupling antenna 4 includes a second coupling portion 41 and a second receiving portion 40 connected to the second coupling portion 41. The shapes of the first coupling portion 21 and the second coupling portion 40 are matched with the shape of the substrate antenna 11, the shapes are not limited, the substrate antenna 11 can be coupled with the first coupling antenna 2 and the second coupling antenna 4, when the first coupling antenna 2 or the second coupling antenna 4 is coupled, the first receiving portion 20 can transmit signals received by the first receiving portion 20 and the second receiving portion 40 to the substrate antenna 11 and the chip 12, and reading and writing of the RFID electronic tag can be achieved by adopting different frequencies. When the substrate antenna 11 is matched with the first coupling portion and the second coupling portion in shape, the matching is to couple the substrate antenna 11 to form an electrical signal communication when the substrate antenna 11 is in a proper position. When the substrate antenna 11 is an arc, the first coupling portion and the second coupling portion are also arc-shaped, and the arc includes an arc shape.
The frequency-variable passive RFID electronic tag comprises an electronic tag main body 1 and a coupling antenna part 3 which can move in a horizontal direction with the electronic tag main body 1, wherein a substrate antenna 11 electrically connected with a chip 12 is arranged on the electronic tag main body 1, and a first coupling antenna 2 and a second coupling antenna 3 are respectively arranged on the coupling antenna part 3 and preferably can be arranged on two surfaces of the coupling antenna part 3.
And the electronic tag main body is provided with an indicating position corresponding to the frequency band. The substrate antenna 11 is fixed on the electronic tag main body 1, and can be switched with the second coupling antenna 4 and the first coupling antenna 2 in a coupling manner by moving the substrate antenna 11 as required, so as to receive read-write signals of different frequency bands. The substrate antenna 11 may be an etched antenna manufactured by etching a material such as copper, or may be an electric wire of another method.
In order to ensure the moving reliability of the coupling antenna part 3 and the electronic tag main body 1, a guide groove (not shown in the drawing) for translating between the coupling antenna part 3 and the electronic tag main body 1 is arranged between the coupling antenna part 3 and the electronic tag main body 1, if the guide groove can be arranged on the electronic tag main body 1, the coupling antenna can move along the guide groove, and the coupling antenna part 3 and the electronic tag main body 1 can translate.
When the RFID electronic tag is used, when the RFID electronic tag needs to adapt to a certain regional frequency band, the RFID electronic tag can form electric signal connection with the RFID electronic tag after being switched to a coupling antenna position capable of receiving the frequency band, and data reading and writing are realized; when the RFID electronic tag is required to adapt to another region frequency band, the RFID electronic tag can be read and written by adopting the region frequency band after the RFID electronic tag is switched to the coupling antenna adapting to the frequency band. Because only one electronic tag is needed, the reading and writing of the RFID electronic tags with different frequency bands can be realized, and the applicability of the RFID electronic tags is improved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (10)
1. The variable frequency passive RFID electronic tag is characterized by further comprising a second coupling antenna for receiving a second frequency signal, wherein the second coupling antenna can be coupled with the substrate antenna after the first coupling antenna leaves the coupling position with the substrate antenna.
2. The frequency-variable passive RFID tag of claim 1, wherein the second coupling antenna and the first coupling antenna are two different frequency band antennas.
3. The variable frequency passive RFID tag of claim 2, wherein the second frequency signal comprises 865-868MHZ.
4. A variable frequency passive RFID tag as claimed in claim 3 wherein the first frequency signal comprises 902 to 928MHZ.
5. The frequency-variable passive RFID tag of claim 1, wherein the frequency-variable passive RFID tag comprises a tag body and a coupling antenna portion capable of moving horizontally with the tag body, wherein an antenna electrically connected to the chip is disposed on the tag body, and the first coupling antenna and the second coupling antenna are disposed on the coupling antenna portion respectively.
6. The frequency-variable passive RFID tag of claim 5, wherein the tag body is provided with an indication bit corresponding to a frequency band.
7. The frequency-variable passive RFID tag of claim 5, wherein the tag body is provided with a guide groove for movement of the coupling antenna portion.
8. The variable frequency passive RFID tag of claim 1, wherein the first and second coupling antennas each comprise a coupling portion and a receiving portion connected to the coupling portion.
9. The variable frequency passive RFID tag of claim 8, wherein the coupling portion is arcuate.
10. The variable frequency passive RFID tag of claim 9, wherein the arc comprises a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346744.1U CN218100245U (en) | 2022-09-02 | 2022-09-02 | Variable-frequency passive RFID electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346744.1U CN218100245U (en) | 2022-09-02 | 2022-09-02 | Variable-frequency passive RFID electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218100245U true CN218100245U (en) | 2022-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222346744.1U Active CN218100245U (en) | 2022-09-02 | 2022-09-02 | Variable-frequency passive RFID electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218100245U (en) |
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2022
- 2022-09-02 CN CN202222346744.1U patent/CN218100245U/en active Active
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