CN204793171U - NFC antenna and mobile terminal suitable for take metal casing mobile terminal - Google Patents
NFC antenna and mobile terminal suitable for take metal casing mobile terminal Download PDFInfo
- Publication number
- CN204793171U CN204793171U CN201520501017.5U CN201520501017U CN204793171U CN 204793171 U CN204793171 U CN 204793171U CN 201520501017 U CN201520501017 U CN 201520501017U CN 204793171 U CN204793171 U CN 204793171U
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- metal
- nfc antenna
- mobile terminal
- extension
- metal extension
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Abstract
The utility model discloses a NFC antenna and mobile terminal suitable for take metal casing mobile terminal, this NFC antenna includes: antenna coil, metal casing includes metal frame and backshell, and the backshell is metal subtotal on -conductive part respectively including two parts of concatenation each other, the metal frame centers on the edge in the backshell, metal part is provided with the metal extension, and the metal extension is provided with the opening, and the metal extension overlaps with the on -conductive part or the part is overlapped, and the metal extension is located the inboard of backshell, metal frame around the edge in the on -conductive part is provided with the breach, antenna coil sets up in the inboard of backshell, and antenna coil overlaps with overlapping of metal extension or part. This mobile terminal includes metal casing, and its inboard is provided with this NFC antenna. The utility model discloses a NFC antenna and mobile terminal under the condition that does not change the metal casing structure, have realized NFC antenna function.
Description
Technical field
The utility model relates to communication technical field, particularly a kind of NFC antenna and mobile terminal being applicable to band metal shell mobile terminal.
Background technology
Along with the development of mobile terminal (as mobile phone etc.), increasing cell phone apparatus manufacturer adopts the metal shell plan of establishment to pursue better Consumer's Experience.Conventional NFC antenna is placed in inside battery cover or is close on battery and communicates to outside, just can not arrange like this in full metal jacket situation, because metal shell can produce shielding action to NFC antenna coupled signal.
For the problems referred to above, propose some solutions, application number is: 201210393139.8, name is called in the patent of " the resonance frequency establishing method of electronic equipment and antenna assembly " and proposes a kind of solution, it is perforate and cracking on metal shell, and the electric current of aerial coil is sensed on larger metal shell.But it exists certain shortcoming, it needs perforate and cracking on metal shell, has both affected the appearance design of metal shell, and can reduce the intensity of metal shell.
Utility model content
The utility model is for above-mentioned problems of the prior art, a kind of NFC antenna and the mobile terminal that are applicable to be with metal shell mobile terminal are proposed, the metal extension of convex-edge shape is set in the inner side of metal shell, on the basis not changing metal shell structure, enhance the performance of NFC antenna, solving prior art affects the appearance design of metal shell and the problem of intensity thereof.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solution:
The utility model provides a kind of NFC antenna being applicable to be with metal shell mobile terminal, and for the mobile terminal with metal shell, it comprises: aerial coil;
Described metal shell comprises metal edge frame and back cover, and described back cover comprises two parts of splicing mutually, is respectively metallic member and non-conducting portion; Described metal edge frame is around the edge of described back cover;
Described metallic member is provided with metal extension, and described metal extension is provided with opening, and described metal extension is overlapping with described non-conducting portion or partly overlap, and described metal extension is positioned at the inner side of described back cover;
Described metal edge frame around the edge of described non-conducting portion is provided with breach;
Described aerial coil is arranged at the inner side of described metal extension, and described aerial coil is overlapping with described metal extension or partly overlap.
Preferably, described metal extension is chime, is set to the chime of opening, can increase its edge length, strengthens induced current.
Preferably, described chime is triangle chime or polygon chime.
Preferably, the shape of described aerial coil is corresponding with the shape of described metal extension, make the coil-conductor of aerial coil overlapping better with the edge of metal extension, the electric current of aerial coil is sensed on metal extension substantially, improve the performance of NFC antenna further.
Preferably, the side away from described metal shell of described aerial coil is provided with magnetic material; Described magnetic material is overlapping with described metal extension; Surrounding environment (other circuit structure as the mobile terminal) impact on aerial coil can be shielded, increase the communication distance of NFC antenna, improve the performance of NFC antenna further.
Preferably, the thickness of described metal extension is less than the thickness of described metallic member; Described metal extension embeds in described non-conducting portion, makes inside of metal outershell more smooth, saves space.
Preferably, the quantity of the breach of described metal edge frame is two or more, makes metal edge frame can serve as a part for all the other antennas of mobile terminal, has both added the performance of antenna, make again metal edge frame be fully utilized.
Preferably, described aerial coil is arranged on flexible parent metal.
Preferably, the material of described non-conducting portion is plastic cement material.
The utility model also provides a kind of mobile terminal, and it is with metal shell, and the inner side of described metal shell is provided with NFC antenna described above.
Compared to prior art, the utility model has the following advantages:
(1) what the utility model provided is applicable to NFC antenna and the mobile terminal of being with metal shell mobile terminal, while not changing metal shell structure completely, add the function of built in NFC antenna, without the need to perforate on metal shell again and crack, its outward appearance can not be affected, also can not reduce its intensity;
(2) electric current of aerial coil is sensed the metallic member of whole metal shell by NFC antenna of the present utility model by metal extension, enhances the magnetic field that NFC coil sends, and improves the performance of NFC antenna.
Certainly, implement arbitrary product of the present utility model might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, execution mode of the present utility model is described further:
Fig. 1 is the schematic diagram of the metal shell from outside viewing of the present utility model;
Fig. 2 is of the present utility model from the interior schematic diagram surveying the metal shell of viewing;
Fig. 3 is of the present utility model from the interior structural representation surveying the NFC antenna of viewing;
Fig. 4 is the sense of current schematic diagram of the aerial coil under operating state of the present utility model;
Fig. 5 is the sense of current schematic diagram of the metal extension under operating state of the present utility model;
Fig. 6 is of the present utility model from the interior schematic diagram being provided with the NFC antenna of magnetic surveying viewing;
Fig. 7 is the sectional view of the magnetic line of force under operating state of the present utility model.
Label declaration: 1-metal edge frame, 2-metallic member, 3-non-conducting portion, 4-metal extension, 5-aerial coil, 6-magnetic, 7-flexible parent metal;
11-breach;
41-opening, the edge of 42-metal extension;
51-coil-conductor;
The ML-magnetic line of force.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
Composition graphs 1-Fig. 7, is with the NFC antenna of metal shell mobile terminal to be explained in detail to of the present utility model being applicable to.Be illustrated in figure 1 the schematic diagram of the metal shell from outside viewing, it comprises metal edge frame 1 and back cover, and metal edge frame 1 is centered around the edge of back cover; Back cover is spliced by metallic member 2 and non-conducting portion 3, and the metal edge frame 1 around the edge of non-conducting portion 3 is provided with breach 11.The inner side of metallic member 2 is provided with metal extension 4, and metal extension 4 is provided with opening 41; Metal extension 4 is overlapping with non-conducting portion 3, and aerial coil 5 is arranged at the inner side of metal extension 4, and overlapping with metal extension 4 or partly overlap.
In the present embodiment, metal edge frame 1 around the edge of non-conducting portion 3 is provided with two relative breach 11, metal edge frame as a part for other antenna of mobile terminal, can fully utilize by the part in the middle of two breach 11, strengthens the performance of antenna.In different embodiment, the quantity of breach 11 can be one or more, and also differing the position be decided to be in diagram in the position of breach 11, can set as the case may be.
In the present embodiment, metal extension 4 is triangle chime, and opening 41 is arranged on top, and the shape of aerial coil 5 is corresponding with the shape of metal extension 4, is also triangular structure; Be illustrated in figure 4 the sense of current schematic diagram of the aerial coil 5 under an operating state, arrow represents the flow direction of electric current; Be illustrated in figure 5 the sense of current schematic diagram at the edge 42 of the metal extension under operating state, in this figure, dotted portion represents aerial coil, as can be seen from Figure, the sense of current in the sense of current at the edge 42 of the metal extension corresponding with aerial coil 5 and aerial coil 5 is contrary, serves the effect strengthening NFC antenna performance.
In different embodiment, the opening of triangle chime can be arranged on other position; Metal extension 4 also can be other polygon chime, and as being provided with the star chime of opening, opening can be arranged on any part.
In preferred embodiment, the thickness of metal extension 4 is less than the thickness of metallic member 2, and metal extension 4 embeds in non-conducting portion 3, makes the inner side of back cover more smooth, saves space, is designed beautifully.
In preferred embodiment, be provided with magnetic 6(in the side away from back cover of aerial coil 5 as ferrite), its structural representation is as shown in Figure 6; Magnetic is set and can shields the impact of external environment on aerial coil 5, improve the communication distance of NFC antenna.Be illustrated in figure 7 the schematic diagram of the magnetic line of force under operating state, aerial coil 5 is arranged on flexible parent metal 7, and there is humidification in the magnetic field that the coil-conductor 51 of metal extension 4 pairs of NFC antenna of increase sends, as shown in the figure, ML is the magnetic line of force after strengthening, and then improves the performance of NFC antenna.
Disclosed herein is only preferred embodiment of the present utility model, and this specification is chosen and specifically described these embodiments, and being to explain principle of the present utility model and practical application better, is not to restriction of the present utility model.The modifications and variations that any those skilled in the art do within the scope of specification, all should drop in scope that the utility model protects.
Claims (10)
1. be applicable to the NFC antenna being with metal shell mobile terminal, for the mobile terminal with metal shell, it is characterized in that, comprising: aerial coil;
Described metal shell comprises metal edge frame and back cover, and described back cover comprises two parts of splicing mutually, is respectively metallic member and non-conducting portion; Described metal edge frame is around the edge of described back cover;
Described metallic member is provided with metal extension, and described metal extension is provided with opening, and described metal extension is overlapping with described non-conducting portion or partly overlap, and described metal extension is positioned at the inner side of described back cover;
Described metal edge frame around the edge of described non-conducting portion is provided with breach;
Described aerial coil is arranged at the inner side of described metal extension, and described aerial coil is overlapping with described metal extension or partly overlap.
2. NFC antenna according to claim 1, is characterized in that, described metal extension is chime.
3. NFC antenna according to claim 2, is characterized in that, described chime is triangle chime or polygon chime.
4. NFC antenna according to claim 1, is characterized in that, the shape of described aerial coil is corresponding with the shape of described metal extension.
5. NFC antenna according to claim 1, is characterized in that, the side away from described metal shell of described aerial coil is provided with magnetic material;
Described magnetic material is overlapping with described metal extension.
6. NFC antenna according to claim 1, is characterized in that, the thickness of described metal extension is less than the thickness of described metallic member;
Described metal extension embeds in described non-conducting portion.
7. NFC antenna according to claim 1, is characterized in that, the quantity of the breach of described metal edge frame is two or more.
8. NFC antenna according to claim 1, is characterized in that, described aerial coil is arranged on flexible parent metal.
9. NFC antenna according to claim 1, is characterized in that, the material of described non-conducting portion is plastic cement material.
10. a mobile terminal, is characterized in that, comprising: metal shell, and described inside of metal outershell is provided with the NFC antenna as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520501017.5U CN204793171U (en) | 2015-07-13 | 2015-07-13 | NFC antenna and mobile terminal suitable for take metal casing mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520501017.5U CN204793171U (en) | 2015-07-13 | 2015-07-13 | NFC antenna and mobile terminal suitable for take metal casing mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204793171U true CN204793171U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520501017.5U Expired - Fee Related CN204793171U (en) | 2015-07-13 | 2015-07-13 | NFC antenna and mobile terminal suitable for take metal casing mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN204793171U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293847A (en) * | 2017-07-31 | 2017-10-24 | 广东欧珀移动通信有限公司 | Center, antenna module and electronic equipment |
| CN107359411A (en) * | 2017-06-20 | 2017-11-17 | 上海德门电子科技有限公司 | Device based on electronic equipment rear shell radiation NFC signals |
| CN110350311A (en) * | 2018-04-03 | 2019-10-18 | 意法半导体奥地利有限公司 | NFC antenna in mobile device |
-
2015
- 2015-07-13 CN CN201520501017.5U patent/CN204793171U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359411A (en) * | 2017-06-20 | 2017-11-17 | 上海德门电子科技有限公司 | Device based on electronic equipment rear shell radiation NFC signals |
| CN107293847A (en) * | 2017-07-31 | 2017-10-24 | 广东欧珀移动通信有限公司 | Center, antenna module and electronic equipment |
| CN110350311A (en) * | 2018-04-03 | 2019-10-18 | 意法半导体奥地利有限公司 | NFC antenna in mobile device |
| US10917137B2 (en) | 2018-04-03 | 2021-02-09 | STMicroelectronics Austria GmbH | NFC antenna in a mobile device |
| CN110350311B (en) * | 2018-04-03 | 2021-07-23 | 意法半导体奥地利有限公司 | NFC antenna in mobile device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151118 Termination date: 20160713 |