CN217544924U - Electronic tag, semi-closed metal body and metal tube - Google Patents
Electronic tag, semi-closed metal body and metal tube Download PDFInfo
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- CN217544924U CN217544924U CN202221685014.8U CN202221685014U CN217544924U CN 217544924 U CN217544924 U CN 217544924U CN 202221685014 U CN202221685014 U CN 202221685014U CN 217544924 U CN217544924 U CN 217544924U
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- 239000002184 metal Substances 0.000 title claims abstract description 79
- 239000004020 conductor Substances 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 8
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- 238000000034 method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 4
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- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000011900 installation process Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the communication, a electronic tags is disclosed. An electronic tag is arranged in a semi-closed metal body cavity and comprises: a grounding plate, four or more than four capacitive elements and an RFID chip; one end of each of four or more capacitive elements is connected with the grounding plate, and the other end of each capacitive element is connected with the inner wall of the semi-closed metal cavity through a conductive connecting piece; one end of the RFID chip is connected with the grounding plate, and the other end of the RFID chip is connected with the first wire; one end of the first wire is connected with the RFID chip, and the other end of the first wire is connected with the grounding plate or suspended. The utility model discloses an electronic tags, semi-closed metal body and ground plate, capacitive element, electrically conductive connecting piece receive the electromagnetic wave as the component element of antenna, send out the information of storage in the RFID chip through the energy that induced-current obtained.
Description
Technical Field
The utility model relates to a microwave technical field in the wireless communication transmission, in particular to electronic tags technique.
Background
The radio frequency identification technology (RFID) carries out non-contact bidirectional data communication in a radio frequency mode, and reads and writes an electronic tag or a radio frequency card in the radio frequency mode, so that the aims of identifying a target and exchanging data are fulfilled. RFID technology in an ultra-high frequency range, such as 860MHz to 960MHz, has characteristics of long recognition distance, strong dynamic reading capability, and the like, and is used by more and more industries.
The existing electronic tag can only be attached to the surface of a target object, if the target object is a metal body, the normal operation of the electronic tag can be seriously influenced, and particularly for a semi-closed metal body such as a metal tube, when the electronic tag is arranged in a cavity of a hollow structure of the metal tube, the metal body can shield an electromagnetic signal of the electronic tag. And set up electronic tags in semi-closed metal body intracavity, can guarantee on the one hand that electronic tags is not destroyed, improve electronic tags's life, on the other hand, to the situation that needs are concealed, can realize that electronic tags conceals.
Therefore, how to provide an electronic tag for a semi-enclosed metal body is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electronic tags to solve among the prior art not have the electronic tags's that can be used to semi-closed metallic object problem. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to the utility model discloses the first aspect of the embodiment provides an electronic tags.
In some optional embodiments, an electronic tag, comprising: a grounding plate, four or more than four capacitive elements and an RFID chip; wherein,
one end of each of four or more capacitive elements is connected with the grounding plate, and the other end of each capacitive element is connected with the inner wall of the semi-closed metal cavity through a conductive connecting piece;
one end of the RFID chip is connected with the grounding plate, and the other end of the RFID chip is connected with the first wire;
one end of the first wire is connected with the RFID chip, and the other end of the first wire is connected with the grounding plate or suspended.
Optionally, the electronic tag further comprises a substrate for carrying the ground plane, the four or more capacitive elements, and the RFID chip.
Optionally, the ground plate, the four or more capacitive elements, and the RFID chip are disposed on a printed circuit board.
Optionally, the conductive connecting member is a connecting thimble.
Optionally, the first conductor includes an impedance matching element, the impedance matching element being one or a combination of more of a capacitive element, an inductive element, or a conductor.
Optionally, the semi-enclosed metal body is a metal tube.
Optionally, the four or more capacitive elements are symmetrically disposed outside the ground plate.
Optionally, the ground plate, the four or more capacitive elements, and the RFID chip are disposed on the same plane.
Optionally, the ground plate, the four or more capacitive elements, and the RFID chip are disposed in different planes.
Optionally, the RFID chip is disposed between any two adjacent capacitive elements.
According to the utility model discloses the second aspect of the embodiment provides an electronic tags.
In some optional embodiments, the electronic tag comprises: a grounding plate, four or more than four capacitive elements and an RFID chip; wherein,
one end of each of the four or more capacitive elements is connected with the grounding plate, and the other end of each capacitive element is connected with the conductive connecting piece;
one end of the RFID chip is connected with the grounding plate, and the other end of the RFID chip is connected with the first wire;
one end of the first wire is connected with the RFID chip, and the other end of the first wire is connected with the grounding plate or suspended.
Optionally, the electronic tag further comprises a substrate for carrying the ground plane, the four or more capacitive elements, and the RFID chip.
Optionally, the ground plate, the four or more capacitive elements, and the RFID chip are disposed on a printed circuit board.
Optionally, the ground plate, the four or more capacitive elements, and the RFID chip are disposed on the same plane.
Optionally, the first conductor includes an impedance matching element, the impedance matching element being one or a combination of more of a capacitive element, an inductive element, or a conductor.
Optionally, the RFID chip is disposed between any two adjacent capacitive elements.
According to a third aspect of the embodiments of the present invention, there is provided a semi-closed metal body.
In some optional embodiments, the electronic tag according to any one of the above embodiments is disposed in the cavity of the semi-closed metal body, and the conductive connecting member of the electronic tag is connected to the inner wall of the cavity of the semi-closed metal body.
According to a fourth aspect of the embodiments of the present invention, there is provided a metal pipe.
In some optional embodiments, the electronic tag of any one of the above embodiments is disposed in the tube body of the metal tube, and the conductive connecting member of the electronic tag is connected to the inner wall of the tube body of the metal tube.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
the semi-closed metal body, the grounding plate, the capacitive element and the conductive connecting piece are used as components of the antenna, receive electromagnetic waves, and transmit information stored in the RFID chip through energy obtained by induced current.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic diagram illustrating the overall structure of a semi-enclosed metal body according to one exemplary embodiment;
FIG. 2 is a schematic diagram of an electronic tag according to an exemplary embodiment;
fig. 3 is a schematic structural diagram of an electronic tag according to an exemplary embodiment.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full ambit of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another like element in a structure, device, or apparatus that comprises the element. The various embodiments are described in a progressive manner, with each embodiment focusing on differences from the other embodiments, and with like parts being referred to one another.
The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations and positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.
Herein, the term "plurality" means two or more, unless otherwise specified.
Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.
Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
The utility model discloses an electronic tags that can imbed into semi-closed metal body inside has that transmission distance is far away, characteristics such as disguise is good. Fig. 1 shows an embodiment of a semi-closed metal body, in this embodiment, the semi-closed metal body is a metal tube, the metal tube is a hollow structure, and the electronic tag is disposed in the metal tube body.
The structure of the semi-closed metal body shown in fig. 1 is only schematic, the utility model discloses an electronic tag can also set up in the semi-closed metal body of other structures, and the semi-closed metal body is the metal body that is totally closed not.
Fig. 2 shows an alternative embodiment of the electronic tag of the present invention.
In this optional embodiment, the electronic tag is disposed in the cavity of the semi-closed metal body, and includes: a ground plane 5, four capacitive elements (3 a, 3b, 3c, 3 d), an RFID chip 6; one ends of the four capacitive elements are respectively connected with the grounding plate 5, and the other ends of the four capacitive elements are respectively connected with the inner wall of the cavity of the semi-closed metal body 1 through conductive connecting pieces (2 a, 2b, 2c and 2 d); one end of the RFID chip 6 is connected with the grounding plate 5, and the other end is connected with the first wire 7; the first wire 7 has one end connected to the RFID chip 6 and the other end connected to the ground plane 5 or suspended, and in this embodiment, the first wire 7 includes an impedance matching element 8. In this embodiment, the number of the capacitive elements is four, and the capacitive elements are respectively the first capacitive element 3a, the second capacitive element 3b, the third capacitive element 3c and the fourth capacitive element 3d, and in other embodiments, the number of the capacitive elements may also be more than four, one end of the capacitive element is connected to the ground plate 5, and the other end of the capacitive element is connected to the inner wall of the cavity of the semi-closed metal body 1 through the conductive connector.
In the embodiments of the present application, the capacitive element has a capacitance component, and may be a lumped element, such as a chip capacitor, a varactor, a transistor, etc., or a distributed element, such as a parallel wire, a transmission line, etc., or a series combination of a capacitor and an inductor. The inductive element has an inductive component, and may be a lumped element, such as a chip inductor, a chip resistor, etc., or a distributed element, such as a wire, a coil, etc., or a parallel combination of an inductor and a capacitor.
The electronic tag of the embodiment is arranged in the cavity of the semi-closed metal body, the semi-closed metal body is used as a conductor, and the electric connection among the conductive connecting pieces (2 a, 2b, 2c and 2 d) can be realized, so that the semi-closed metal body, the grounding plate, the capacitive element and the conductive connecting pieces are used as the components of the antenna, receive electromagnetic waves, and send information stored in the RFID chip through the energy obtained by induced current.
Optionally, the electronic tag further comprises a substrate 4 for carrying the ground plane 5, the capacitive element, and the RFID chip. The substrate 4 can improve the connection stability of the ground plate 5, the capacitive elements (3 a, 3b, 3c, 3 d), and the RFID chip 6.
Optionally, the ground plane 5, the capacitive elements (3 a, 3b, 3c, 3 d), the RFID chip 6 are arranged on a Printed Circuit Board (PCB). The ground plane 5 is, for example, a metal plate printed on a printed circuit board, and the capacitive elements (3 a, 3b, 3c, 3 d) and the RFID chip 6 are soldered to the corresponding leads.
Optionally, the ground plate 5, the capacitive elements (3 a, 3b, 3c, 3 d), and the RFID chip 6 are disposed on the same plane, which facilitates mass production. Of course, the ground plate 5, the capacitive elements (3 a, 3b, 3c, 3 d), and the RFID chip 6 may be disposed on different planes.
Optionally, the conductive connecting parts (2 a, 2b, 2c, 2 d) are connecting pins, and the electronic tag abuts against the inner wall of the semi-closed metal body cavity through the connecting pins, so that the electronic tag is embedded in the inner wall of the metal body cavity in a clamping manner. The connection ejector pin can improve the convenience of the electronic tag installation process and improve the installation efficiency. Of course, the conductive connecting piece can also adopt other structures to realize the connection with the inner side wall of the semi-closed metal body cavity, and the connection mode can be fixed connection or embedded mode. For example, the conductive connecting piece can also be an elastic metal sheet, and the electronic tag is clamped on the inner side wall of the semi-closed metal body cavity through the elastic metal sheet.
Optionally, the impedance matching element 8 is one or a combination of more of a capacitive element, an inductive element, or a conductive wire. In the case of the impedance matching element 8 being a wire, the first wire 7 may be a complete wire or may be a multi-segment wire for debugging purposes.
Optionally, the semi-closed metal body is a metal tube, and for an application scenario of the metal tube, the electronic tag may be disposed at one end of the metal tube, and certainly, the electronic tag may also be disposed at another position in the metal tube body.
Optionally, above-mentioned semi-closed metal body is other special-shaped structures, as long as this metal body is semi-closed, totally closed not promptly, the utility model discloses the electronic tags of each embodiment can realize signal transmission's function.
Alternatively, the four or more capacitive elements may be arranged outside the ground plate, may be regularly arranged outside the ground plate, for example, symmetrically arranged outside the ground plate, or irregularly arranged outside the ground plate.
Alternatively, the RFID chip 6 is disposed between any two adjacent capacitive elements, and in the embodiment shown in fig. 2, the RFID chip 6 is disposed between the first capacitive element 3a and the fourth capacitive element 3 d. Optionally, the first conductor 7 is also arranged between any two adjacent capacitive elements.
Fig. 3 shows another alternative embodiment of the electronic tag of the present invention.
In this alternative embodiment, as shown in fig. 3, the electronic tag includes a first connection pin 32a, a second connection pin 32b, a third connection pin 32c, a fourth connection pin 32d, a first capacitive element 33a, a second capacitive element 33b, a third capacitive element 33c, a fourth capacitive element 33d, a substrate 4, a ground plate 5, an RFID chip 6, and a first conductive line 7. The electronic tag is embedded in the metal pipe 1.
The first connection pin 32a, the second connection pin 32b, the third connection pin 32c and the fourth connection pin 32d are fixed on the substrate 4 and connected to the inner wall of the tube body of the metal tube 1 at four positions, i.e., up, down, left and right. The first, second, third and fourth capacitive elements 33a, 33b, 33c and 33d have one end respectively connected to the first, second, third and fourth connection pins 32a, 32b, 32c and 32d, and the other end respectively connected to the ground plate 5.
The RFID chip 6 has one end connected to the ground plate 5 and the other end connected to the first wire 7. One end of the first wire 7 is connected to the RFID chip 6, and the other end is open. The first conductor 7 in this embodiment comprises an inductive element 9.
In another embodiment, a semi-closed metal body is further disclosed, wherein the electronic tag of any one of the above embodiments is arranged in a cavity of the semi-closed metal body, and the conductive connecting piece of the electronic tag is connected with the inner wall of the cavity of the semi-closed metal body. The semi-closed metal body, the grounding plate, the capacitive element and the conductive connecting piece are used as components of the antenna, receive electromagnetic waves, send information stored in the RFID chip through energy obtained by induced current, for example, the information in the RFID chip is identity information of the semi-closed metal body, and effective monitoring of the semi-closed metal body is achieved.
In another embodiment, a metal tube is further disclosed, wherein the electronic tag of any one of the above embodiments is disposed in the tube body of the metal tube, and the conductive connecting piece of the electronic tag is connected to the inner wall of the tube body of the metal tube. The metal tube, the grounding plate, the capacitive element and the conductive connecting piece are used as components of the antenna, receive electromagnetic waves, and send information stored in the RFID chip through energy obtained by induction current, for example, the information in the RFID chip is identity information of the metal tube, so that effective monitoring of the metal tube can be realized.
The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (18)
1. The utility model provides an electronic tags, its characterized in that sets up in semi-closed metal body cavity, includes: a grounding plate, four or more than four capacitive elements and an RFID chip; wherein,
one end of each of four or more capacitive elements is connected with the grounding plate, and the other end of each capacitive element is connected with the inner wall of the semi-closed metal cavity through a conductive connecting piece;
one end of the RFID chip is connected with the grounding plate, and the other end of the RFID chip is connected with the first wire;
one end of the first wire is connected with the RFID chip, and the other end of the first wire is connected with the grounding plate or suspended.
2. An electronic label according to claim 1,
the RFID chip also comprises a substrate used for carrying the grounding plate, the four or more capacitive elements and the RFID chip.
3. An electronic label according to claim 1,
the ground plate, the four or more capacitive elements and the RFID chip are arranged on a printed circuit board.
4. An electronic label according to claim 1,
the conductive connecting piece is a connecting thimble.
5. An electronic label according to claim 1,
the first conductor includes an impedance matching element that is a combination of one or more of a capacitive element, an inductive element, or a conductor.
6. An electronic label according to claim 1,
the semi-closed metal body is a metal tube.
7. An electronic label according to claim 1,
the four or more than four capacitive elements are symmetrically arranged outside the grounding plate.
8. An electronic label according to claim 1,
the grounding plate, the four or more capacitive elements and the RFID chip are arranged on the same plane.
9. An electronic label according to claim 1,
the ground plate, the four or more capacitive elements and the RFID chip are arranged on different planes.
10. An electronic label according to claim 1,
the RFID chip is disposed between any two adjacent capacitive elements.
11. An electronic tag is characterized in that the electronic tag comprises a tag body,
the method comprises the following steps: a grounding plate, four or more than four capacitive elements and an RFID chip; wherein,
one end of each of four or more capacitive elements is connected with the grounding plate, and the other end of each capacitive element is connected with the conductive connecting piece;
one end of the RFID chip is connected with the grounding plate, and the other end of the RFID chip is connected with the first wire;
one end of the first wire is connected with the RFID chip, and the other end of the first wire is connected with the grounding plate or suspended.
12. An electronic label according to claim 11,
the RFID chip further comprises a substrate used for bearing the grounding plate, the four or more capacitive elements and the RFID chip.
13. An electronic label according to claim 11,
the ground plate, the four or more capacitive elements and the RFID chip are arranged on a printed circuit board.
14. An electronic label according to claim 11,
the grounding plate, the four or more capacitive elements and the RFID chip are arranged on the same plane.
15. An electronic label according to claim 11,
the RFID chip is disposed between any two adjacent capacitive elements.
16. An electronic label according to claim 11,
the first conductor includes an impedance matching element that is a combination of one or more of a capacitive element, an inductive element, or a conductor.
17. A semi-enclosed metal body, wherein the electronic tag according to any one of claims 1 to 16 is disposed in the cavity of the semi-enclosed metal body, and the conductive connecting member of the electronic tag is connected to the inner wall of the cavity of the semi-enclosed metal body.
18. A metal tube, wherein the electronic tag as claimed in any one of claims 1 to 16 is disposed in the tube body of the metal tube, and the conductive connecting member of the electronic tag is connected to the inner wall of the tube body of the metal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221685014.8U CN217544924U (en) | 2022-07-01 | 2022-07-01 | Electronic tag, semi-closed metal body and metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221685014.8U CN217544924U (en) | 2022-07-01 | 2022-07-01 | Electronic tag, semi-closed metal body and metal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217544924U true CN217544924U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221685014.8U Active CN217544924U (en) | 2022-07-01 | 2022-07-01 | Electronic tag, semi-closed metal body and metal tube |
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| Country | Link |
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| CN (1) | CN217544924U (en) |
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- 2022-07-01 CN CN202221685014.8U patent/CN217544924U/en active Active
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