CN202513278U - Terminal antenna - Google Patents
Terminal antenna Download PDFInfo
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- CN202513278U CN202513278U CN2012201195681U CN201220119568U CN202513278U CN 202513278 U CN202513278 U CN 202513278U CN 2012201195681 U CN2012201195681 U CN 2012201195681U CN 201220119568 U CN201220119568 U CN 201220119568U CN 202513278 U CN202513278 U CN 202513278U
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Abstract
The utility model discloses a terminal antenna. The terminal antenna comprises an antenna body, a grounding part and a feeding part, wherein the grounding part and the feeding part are positioned in a same plane, and the antenna body is in a open ring shape. The antenna body further comprises a first branch, a second branch, a third branch, a fourth branch and a fifth branch, wherein the fourth and the fifth branches are positioned in end positions of the ring, the first and the second branches are positioned in the same plane with the grounding part and the feeding part, the third, the fourth and the fifth branches are positioned over the first and the second branches, the third branch is respectively connected to the first and the second branches, the first branch is connected with the fourth branch and the grounding part, the second branch is connected with the fifth branch and the feeding part, and each branch above can be arranged as several sub-branches. Compared with the prior art, each branch of the antenna can be arranged as several sub-branches, so that the terminal antenna is characterized by the wide band width and the high efficiency.
Description
Technical field
The utility model relates to the communications field, particularly a kind of terminal antenna.
Background technology
The mobile terminal antenna multiband is the developing direction of mobile communication always.Particularly portable mobile termianl such as mobile phone, PDA (Personal Digital Assistance), MP3/MP4.GSM850/GSM900, DCS, PCS, UMTS is the main flow of communication always, its range of frequency bandwidths is 824MHZ-960MHz, 1710MHz-2170MHz.On the other hand, the care of the safety of the electromagnetic radiation of Along with people's, WCDMA has low radiation and obtains increasing application.Common antenna form has unipole antenna (monopole antenna), inverse-F antenna (IFA), planar inverted-F antenna (PIFA), loop antenna (loop antenna).Press for a kind of wide bandwidth that is applicable to portable terminal at present, high efficiency multifrequency antenna.
The utility model content
In order to overcome the defective of prior art, the utility model discloses a kind of terminal antenna, it is a kind of multiple frequency bands broadband loop antenna, this antenna has wide bandwidth, high-efficiency characteristics.
The technical scheme of the utility model is following:
A kind of terminal antenna comprises: antenna body, grounding parts, current feed department; Said grounding parts and current feed department are positioned at same plane;
Said antenna body is an opening ring-type, and it further comprises: first branch, second branch, the 3rd branch, the 4th branch, quintafurcation; The 4th branch, quintafurcation are positioned at the port of ring-type;
First branch, second branch and grounding parts and current feed department are positioned at same plane;
Said the 3rd branch, the 4th branch, quintafurcation are positioned at first branch, second branch top; The 3rd branch connects first branch and second branch respectively; First branch connects the 4th branch, grounding parts; Second branch connects quintafurcation, current feed department;
Above-mentioned arbitrary branch all can be provided with experimental process branch.
Preferably, said experimental process branch can be positioned at the front/back of respective branches.
Preferably, being positioned at the sub-branch that arbitrary branch back side overlaps is connected with respective branches through through hole.
Preferably, said the 4th branch is provided with the 4th sub-branch, and said sub-branch is the L shape.
Preferably, said the 4th sub-branch is connected with the 3rd branch.
Preferably, said the 4th sub-branch is coupled with the 3rd branch and links to each other.
Preferably, said the 3rd branch is provided with the 3rd sub-branch, and said the 3rd sub-branch is positioned at the front/back of the 3rd branch.
Preferably, the distance between grounding parts and the current feed department is 10mm-30mm.
Preferably, said each branch is bending.
Preferably, said the 3rd branch inside has groove.
Compared with prior art, the beneficial effect of the utility model is following:
The first, arbitrary branch of the antenna of the utility model can be provided with experimental process branch, makes to the utlity model has wide bandwidth, high-efficiency characteristics.
The second, the sub-branch of arbitrary branch of the utility model can be arranged on the front of branch, also can be arranged on the back side; And when being arranged on the back side; If run into overlapping situation, see that through the through hole conducting, this structure has maximally utilised the space at the antenna face and the back side.
Description of drawings
Fig. 1 is the utility model first embodiment perspective view;
Fig. 2 is the utility model first embodiment decomposition texture sketch map;
Fig. 3 is the utility model first embodiment return loss plot;
Fig. 4 is the utility model first embodiment head hand efficiency chart;
Fig. 5 is the utility model first embodiment head hand integrated radiant emittance spirogram;
Fig. 6 is the structural representation of the utility model second embodiment;
Fig. 7 is the structural representation of the utility model the 3rd embodiment;
Fig. 8 is the structural representation of the utility model the 4th embodiment;
Fig. 9 is the structural representation of the utility model the 5th embodiment;
Figure 10 is the structural representation of the utility model the 6th embodiment;
Figure 11 is the structural representation of the utility model the 7th embodiment;
Figure 12 is the structural representation of the utility model the 8th embodiment.
Embodiment
A kind of terminal antenna comprises: antenna body, grounding parts, current feed department; Said grounding parts and current feed department are positioned at same plane;
Said antenna body is an opening ring-type, and it further comprises: first branch, second branch, the 3rd branch, the 4th branch, quintafurcation; The 4th branch, quintafurcation are positioned at the port of ring-type;
First branch, second branch and grounding parts and current feed department are positioned at same plane;
Said the 3rd branch, the 4th branch, quintafurcation are positioned at first branch, second branch top; The 3rd branch connects first branch and second branch respectively; First branch connects the 4th branch, grounding parts; Second portion connects quintafurcation, current feed department;
Above-mentioned arbitrary branch all can be provided with experimental process branch.
Said experimental process branch can be positioned at the front/back of respective branches.
Being positioned at the sub-branch that arbitrary branch back side overlaps is connected with respective branches through through hole.
The below combines accompanying drawing and specific embodiment that the utility model is elaborated:
Like Fig. 1 and Fig. 2, a kind of terminal antenna 200 comprises: antenna body, grounding parts 201, current feed department 202; Grounding parts 201 and current feed department 202 are positioned at PCB (Printed circuit board) the plate 100 same planes of handheld terminal.
In pcb board 100 parts, 101 is metallic region, and 102 is non-metallic regions.Non-metallic regions 102 areas are 1/27 of metallic region 10.Antenna part 200 is positioned at non-metallic regions 101 and superjacent air space thereof, and antenna height is no more than 1/12 of PCB100 width.
Said antenna body is an opening ring-type, the lowest resonant frequency of the length overall decision antenna of loop.Said antenna body further comprises: first branch 21, second branch 22, the 3rd branch 23, the 4th branch 24, quintafurcation 25; The 4th branch 24, quintafurcation 25 are positioned at the port of ring-type.First branch 21, second branch 22 are positioned at same plane with grounding parts 201 and current feed department 202.
The 3rd branch 23, the 4th branch 24, quintafurcation 25 are positioned at first branch 21, second branch, 22 tops; The 3rd branch 23 connects first branch 21 and second branch 22 respectively; First branch 21 connects the 4th branch 24, grounding parts 201; Second branch 22 connects quintafurcation 25, current feed department 202.
There are certain interval in the 4th branch 24, quintafurcation 25, are capacitive coupling.Regulate the distance of the 4th branch 24, quintafurcation 25, can finely tune the resonance frequency of antenna.The 4th branch 24, quintafurcation 25 are the bending line of terminal open circuit.In the present embodiment, the bending angle is 90 degree, and during practical implementation, other angle also is fine, and the utility model is not made qualification to it.
In the present embodiment, the 4th branch 24 is provided with the 4th sub-branch 241, is the L shape.The 4th branch 24 is connected with the 3rd branch 23 through the 4th sub-branch 241, makes the two current lead-through.
In the present embodiment, quintafurcation 25 is provided with the 5th sub-branch 251, the five sub-branch's terminal open circuits, makes quintafurcation 25 and the 23 capacitive coupling conductings of the 3rd branch.
The 4th sub-branch 241 and the 5th sub-branch 251 have determined high frequency frequency and bandwidth.
In the present embodiment, the 4th sub-branch 241 and the 5th sub-branch 251 are arranged on the front of respective branches.During practical implementation, it also can be arranged on the back side of respective branches, and the utility model is not made qualification to it.
In the present embodiment, the advantage of the 4th sub-branch 241 and the 5th sub-branch 251 is to have improved the beamwidth of antenna to greatest extent.High frequency bandwidth covers 1910MHz to 2600MHz, has also covered 1400MHz simultaneously to 1500MHz.Like Fig. 3; Return loss with-5dB is reference point, embodiment of the invention antenna, and the low frequency bandwidth is from 880MHz to 1100MHz; Cover W900 (frequency bandwidth is from 880MHz to 960MHz) fully; High frequency W1400 (frequency bandwidth is from 1420MHz to 1490MHz), W2310 (frequency bandwidth is from 1920MHz to 2170MHz), W2500 (frequency bandwidth is from 2545MHz to 2575MHz).
Among Fig. 4, a hand high frequency efficiency chart is respectively a present embodiment antenna gross efficiency under free space FS, left side head and hand situation BHHL, right head and the hand BHHR situation.Among Fig. 5, the total radiation energy TRP (Total Radiated Power) that the present embodiment antenna records under free space FS, left side head and hand situation BHHL, right head and hand BHHR situation all satisfies W900, W1400, W2310, the requirement of W2500 singal reporting code.
Through optimizing antenna structure, this antenna does not need match circuit.
Can there be other variant in the 3rd branch 23.Fig. 6 is the structural representation of the utility model second embodiment.The 3rd branch 23 is provided with the 3rd sub-branch 231, has changed the shape of original the 3rd branch 23, fine-tuning antenna low frequency frequency and bandwidth.
Can there be other variation the 4th sub-branch 241 and the 5th sub-branch 251 positions, and Fig. 7 is the utility model the 3rd embodiment.In Fig. 7, the 4th sub-branch 241 and the 251 positions exchange of the 5th sub-branch, the 4th sub-branch 241 moves to feedback point portion 202 1 ends, and the 5th sub-branch 251 moves to grounding parts 201 1 ends.
Fig. 8 is the utility model the 4th embodiment.Like Fig. 8, the 4th sub-branch 241 can break off with the 3rd branch 23, but the 4th sub-branch 241 must have big area to realize that with the 3rd branch 23 coupling links to each other.
Fig. 9 is the utility model the 5th embodiment.Like Fig. 9, antenna part is made chamfering, and processing such as bending are conformal with handset mounting.
Figure 10 is the utility model the 6th embodiment.Like Figure 10, on the basis on the quintafurcation 25, increase sub-branch 252,253.Wherein sub-branch 253 is positioned at the back side of quintafurcation 25.Sub-branch's 252 main resonance and bandwidth of regulating W2500, sub-branch's 253 main resonance and bandwidth of regulating W1400.
Wherein, the sub-branch 253 that is positioned at the back side is communicated with quintafurcation 25.When being positioned at the quintafurcation back side and overlaping, these sub-branches are connected with quintafurcation through through hole as a plurality of.
Figure 11 is the utility model the 7th embodiment.Like Figure 11, the 3rd branch 23 and the 4th sub-branch 241, irregular processing, conformal with handset mounting.
Figure 12 is the utility model the 8th embodiment.Like Figure 12, the 3rd branch 23 inner flutings, the broadening bandwidth is coupled with changing.
Compared with prior art, the beneficial effect of the utility model is following:
The first, arbitrary branch of the antenna of the utility model can be provided with experimental process branch, makes to the utlity model has wide bandwidth, high-efficiency characteristics.
The second, the sub-branch of arbitrary branch of the utility model can be arranged on the front of branch, also can be arranged on the back side; And when being arranged on the back side; If run into overlapping situation, see that through the through hole conducting, this structure has maximally utilised the space at the antenna face and the back side.
The utility model preferred embodiment just is used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and is merely described embodiment.Obviously, according to the content of this specification, can do a lot of modifications and variation.These embodiment are chosen and specifically described to this specification, is principle and practical application in order to explain the utility model better, thereby person skilled can be utilized the utility model well under making.The utility model only receives the restriction of claims and four corner and equivalent.More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection range.
Claims (10)
1. a terminal antenna is characterized in that, comprising: antenna body, grounding parts, current feed department; Said grounding parts and current feed department are positioned at same plane;
Said antenna body is an opening ring-type, and it further comprises: first branch, second branch, the 3rd branch, the 4th branch, quintafurcation; The 4th branch, quintafurcation are positioned at the port of ring-type;
First branch, second branch and grounding parts and current feed department are positioned at same plane;
Said the 3rd branch, the 4th branch, quintafurcation are positioned at first branch, second branch top; The 3rd branch connects first branch and second branch respectively; First branch connects the 4th branch, grounding parts; Second branch connects quintafurcation, current feed department;
Above-mentioned arbitrary branch all can be provided with experimental process branch.
2. antenna according to claim 1 is characterized in that, said experimental process branch can be positioned at the front/back of respective branches.
3. antenna according to claim 2 is characterized in that, is positioned at the sub-branch that arbitrary branch back side overlaps and is connected with respective branches through through hole.
4. antenna according to claim 1 is characterized in that, said the 4th branch is provided with the 4th sub-branch, and said sub-branch is the L shape.
5. antenna according to claim 4 is characterized in that, said the 4th sub-branch is connected with the 3rd branch.
6. antenna according to claim 4 is characterized in that, said the 4th sub-branch is coupled with the 3rd branch and links to each other.
7. antenna according to claim 1 is characterized in that, said the 3rd branch is provided with the 3rd sub-branch, and said the 3rd sub-branch is positioned at the front/back of the 3rd branch.
8. antenna according to claim 1 is characterized in that, the distance between grounding parts and the current feed department is 10mm-30mm.
9. antenna according to claim 1 is characterized in that, said each branch is bending.
10. antenna according to claim 1 is characterized in that, said the 3rd branch inside has groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201195681U CN202513278U (en) | 2012-03-27 | 2012-03-27 | Terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201195681U CN202513278U (en) | 2012-03-27 | 2012-03-27 | Terminal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513278U true CN202513278U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201195681U Expired - Fee Related CN202513278U (en) | 2012-03-27 | 2012-03-27 | Terminal antenna |
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| CN (1) | CN202513278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840252A (en) * | 2012-11-26 | 2014-06-04 | 联想(北京)有限公司 | Antenna apparatus and method for forming antenna apparatus |
| CN104412450A (en) * | 2014-04-28 | 2015-03-11 | 华为终端有限公司 | Antenna and mobile terminal |
| WO2020082539A1 (en) * | 2018-10-25 | 2020-04-30 | 歌尔股份有限公司 | Antenna unit, antenna apparatus and electronic device |
| CN113366702A (en) * | 2019-02-01 | 2021-09-07 | Nec平台株式会社 | Wireless communication device and antenna configuration method |
-
2012
- 2012-03-27 CN CN2012201195681U patent/CN202513278U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840252A (en) * | 2012-11-26 | 2014-06-04 | 联想(北京)有限公司 | Antenna apparatus and method for forming antenna apparatus |
| CN104412450A (en) * | 2014-04-28 | 2015-03-11 | 华为终端有限公司 | Antenna and mobile terminal |
| WO2020082539A1 (en) * | 2018-10-25 | 2020-04-30 | 歌尔股份有限公司 | Antenna unit, antenna apparatus and electronic device |
| CN113366702A (en) * | 2019-02-01 | 2021-09-07 | Nec平台株式会社 | Wireless communication device and antenna configuration method |
| US11990693B2 (en) | 2019-02-01 | 2024-05-21 | Nec Platforms, Ltd. | Wireless communication device and antenna configuration method |
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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: 20121031 Termination date: 20170327 |