CN210350083U - NFC antenna applied to mobile phone - Google Patents
NFC antenna applied to mobile phone Download PDFInfo
- Publication number
- CN210350083U CN210350083U CN201921838983.0U CN201921838983U CN210350083U CN 210350083 U CN210350083 U CN 210350083U CN 201921838983 U CN201921838983 U CN 201921838983U CN 210350083 U CN210350083 U CN 210350083U
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- antenna
- terminal
- nfc
- nfc antenna
- mobile phone
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- 238000004804 winding Methods 0.000 claims abstract description 5
- 230000000875 corresponding Effects 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 claims description 3
- 230000000977 initiatory Effects 0.000 abstract description 6
- 230000001808 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a be applied to NFC antenna of cell-phone, relate to the antenna field, including NFC antenna and fingerprint press the module, the NFC antenna includes square antenna, circular antenna, first feed contact, second feed point contact, first feed contact is connected to the initiating terminal of wire jumper, second feed point contact is connected to the initiating terminal of square antenna, circular antenna installs inside the fingerprint press the module, the initiating terminal and the end of circular antenna are connected to first terminal and second terminal respectively, first terminal is in the same place with the terminal sliding connection of wire jumper under the drive of fingerprint press the module, the second terminal is in the same place with the terminal sliding connection of square antenna under the drive of fingerprint press the module; the utility model discloses a novel contact formula structure presses the module according to the fingerprint when using, and the NFC antenna intercommunication prevents that NFC distance is too far away, reduces to steal the brush phenomenon, adopts special wire winding mode, lowers the coupling loss between line and the line, reduces the antenna impedance value, improves signal stability.
Description
Technical Field
The utility model relates to an antenna field, concretely relates to be applied to NFC antenna of cell-phone.
Background
Nfc (near field communication) antennas have been widely researched and applied with the development of mobile payment functions. NFC antennas specifically used for mobile payment functions have proposed various antenna models at home and abroad, and are applied to mobile phones of different styles and types and different performance indexes. However, as the mobile phone is developed to be thinner, higher requirements are placed on the structure of the NFC antenna.
The existing NFC antenna has the disadvantages that the coupling between modules is large, so that the impedance value of the antenna is increased, and the user experience of an NFC antenna user is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a be applied to the NFC antenna of cell-phone for NFC antenna coupling loss lowers.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a be applied to NFC antenna of cell-phone, presses the module including NFC antenna and fingerprint, the NFC antenna includes that square antenna, circular antenna, first feed contact, second feed point contact, first feed contact is connected to the initiating terminal of wire jumper, the initiating terminal that the second feed point contact is connected to square antenna, circular antenna installs inside the module is pressed to the fingerprint, the initiating terminal and the end of circular antenna are connected to first terminal and second terminal respectively, first terminal is in the same place with the terminal sliding connection of wire jumper under the drive of module is pressed to the fingerprint, the terminal sliding connection of square antenna is in the same place under the drive of module is pressed to the fingerprint to the second terminal.
Preferably, the first feed contact and the second feed contact of the NFC antenna are electrically connected to the NFC chip.
Preferably, the square antenna and the circular antenna are wound from inside to outside in a counterclockwise direction.
Preferably, the square antenna is disposed at the periphery of the fingerprint pressing module and the circular antenna.
Preferably, one side of the NFC antenna is covered with a wave-absorbing material layer.
Preferably, the square antenna is embedded in the inner side of the mobile phone backboard, and the fingerprint pressing module is embedded in a through hole corresponding to the mobile phone backboard.
The utility model provides a be applied to NFC antenna of cell-phone adopts novel contact type structure, presses the fingerprint when using and presses the module, and NFC antenna intercommunication prevents that the NFC distance is too far away, reduces to steal the brush phenomenon, adopts special wire winding mode, lowers the coupling loss between line and the line, reduces antenna impedance value, improves signal stability.
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 view of the present invention;
fig. 2 is a front side sectional view of the fingerprint pressing module according to the present invention;
fig. 3 is a side sectional view of the middle fingerprint pressing module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, but not all, embodiments of the present invention. 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.
Example (b):
as shown in fig. 1, 2, and 3, an NFC antenna applied to a mobile phone includes an NFC antenna 1 and a fingerprint pressing module 2, where the NFC antenna 1 includes a square antenna 3, a circular antenna 4, a first feed contact 5 and a second feed contact 6, the first feed contact 5 is connected to a start end of a jumper wire 7, the second feed contact 6 is connected to a start end of the square antenna 3, the circular antenna 4 is installed inside the fingerprint pressing module 2, the start end and the end of the circular antenna 4 are respectively connected to a first terminal 8 and a second terminal 9, the first terminal 8 is connected with an end of the jumper wire 7 in a sliding manner under the driving of the fingerprint pressing module 2, and the second terminal 9 is connected with an end of the square antenna 3 in a sliding manner under the driving of the fingerprint pressing module 2.
Preferably, the first feed contact 5 and the second feed contact 6 of the NFC antenna 1 are electrically connected to the NFC chip.
Preferably, the winding directions of the square antenna 3 and the circular antenna 4 are both wound from inside to outside in a counterclockwise direction.
Preferably, the square antenna 3 is disposed at the periphery of the fingerprint pressing module 2 and the circular antenna 4.
Preferably, one side of the NFC antenna 1 is covered with a wave-absorbing material layer.
Preferably, the square antenna 3 is embedded in the inner side of the mobile phone backboard, and the fingerprint pressing module 2 is embedded in a through hole corresponding to the mobile phone backboard.
The utility model provides a be applied to NFC antenna of cell-phone adopts novel contact type structure, presses the fingerprint when using and presses the module, and NFC antenna intercommunication prevents that the NFC distance is too far away, reduces to steal the brush phenomenon, adopts special wire winding mode, lowers the coupling loss between line and the line, reduces antenna impedance value, improves signal stability.
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: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. An NFC antenna applied to a mobile phone comprises an NFC antenna (1) and a fingerprint pressing module (2), characterized in that the NFC antenna (1) comprises a square antenna (3), a circular antenna (4), a first feed contact (5) and a second feed contact (6), the first feed contact (5) is connected to the starting end of a jumper (7), the second feed contact (6) is connected to the starting end of the square antenna (3), the circular antenna (4) is arranged inside the fingerprint pressing module (2), the starting end and the tail end of the circular antenna (4) are respectively connected to the first terminal (8) and the second terminal (9), the first terminal (8) is connected with the tail end of the jumper (7) in a sliding way under the driving of the fingerprint pressing module (2), the second terminal (9) is driven by the fingerprint pressing module (2) to enable the tail ends of the square antennas (3) to be connected together in a sliding mode.
2. The NFC antenna applied to a mobile phone according to claim 1, wherein the first feed contact (5) and the second feed contact (6) of the NFC antenna (1) are electrically connected to the NFC chip.
3. The NFC antenna applied to the mobile phone according to claim 1, wherein the winding directions of the square antenna (3) and the circular antenna (4) are both from inside to outside and counterclockwise.
4. NFC antenna applied to a mobile phone according to claim 1, characterized in that the square antenna (3) is arranged at the periphery of the fingerprint pressing module (2) and the circular antenna (4).
5. NFC antenna applied to a mobile phone according to claim 1, characterized in that one side of the NFC antenna (1) is covered with a layer of absorbing material.
6. The NFC antenna applied to the mobile phone according to claim 4, wherein the square antenna (3) is embedded inside a mobile phone backboard, and the fingerprint pressing module (2) is embedded in a corresponding through hole in the mobile phone backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838983.0U CN210350083U (en) | 2019-10-30 | 2019-10-30 | NFC antenna applied to mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838983.0U CN210350083U (en) | 2019-10-30 | 2019-10-30 | NFC antenna applied to mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210350083U true CN210350083U (en) | 2020-04-17 |
Family
ID=70179458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921838983.0U Active CN210350083U (en) | 2019-10-30 | 2019-10-30 | NFC antenna applied to mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210350083U (en) |
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2019
- 2019-10-30 CN CN201921838983.0U patent/CN210350083U/en active Active
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