CN202474197U - Multi-frequency antenna - Google Patents
Multi-frequency antenna Download PDFInfo
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- CN202474197U CN202474197U CN 201220087332 CN201220087332U CN202474197U CN 202474197 U CN202474197 U CN 202474197U CN 201220087332 CN201220087332 CN 201220087332 CN 201220087332 U CN201220087332 U CN 201220087332U CN 202474197 U CN202474197 U CN 202474197U
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Abstract
The utility model discloses a multi-frequency antenna, which comprises a first antenna emission sheet (4) and a second antenna emission sheet (3), wherein the tail end of the first antenna emission sheet (4) is connected with a feeding point (1); the second antenna emission sheet (3) is connected with an antenna ground (2); and three parallel and staggered branches, namely, a first branch (5), a second branch (7) and a third branch (6), extend out of the second antenna emission sheet (3). Compared with the prior art, the multi-frequency antenna has the advantages that the first antenna emission sheet and the second antenna emission sheet are coupled to produce four resonances, so that a plurality of frequency bands can be supported simultaneously.
Description
Technical field
The utility model relates to multifrequency antenna, particularly a kind of multifrequency antenna of supporting LTE.
Background technology
Because the fast development of modern communications technology, increasing product needed supports multiple frequency range to satisfy more applications and function. in the recent period, panel computer receives liking of users.In order to satisfy 2G simultaneously, the function of 3G and LTE, the antenna on the panel computer need be supported multiple frequency range, is generally 704 to 960MHz, and 1710 to 2170MHz.Traditional antenna often can only satisfy 824 to 960MHz and 1710 to 2170MHz.Because the fast development of 4G, LTE obtains increasing application, and this just needs antenna to increase bandwidth to satisfy the LTE frequency range, especially 704 to 798MHz these traditional antennas frequency range that can't cover.Because the low frequency bandwidth of traditional antenna is too narrow, can't satisfy 704 to this LTE frequency range of 798MHz.The object of the invention is exactly the purposes that a kind of new-type antenna of design satisfies multiband.
The utility model content
In order to overcome the defective of prior art, the utility model discloses a kind of multifrequency antenna, it can support a plurality of frequency ranges simultaneously, like LTE frequency range and traditional frequency range.
The technical scheme of the utility model is following:
A kind of multifrequency antenna comprises first antenna emission sheet (4), second antenna emission sheet (3); The end of said first antenna emission sheet (4) is connected with distributing point (1); Said second antenna emission sheet (3) is connected with antenna ground (2); Said second antenna emission sheet (3) extends three and is parallel to each other and branch that the position is staggered: first branch (5), second branch (7), the 3rd branch (6).
Preferably, said first antenna emission sheet (4) comprises two branches that are vertically connected on together: the 4th branch (41), quintafurcation (42); The end of quintafurcation (42) is connected with distributing point (1);
There is first gap (8) between the 4th branch (41), first branch (5); The 4th branch (41) and first branch (5) produce first resonance in first gap (8).
Preferably, said first branch (5) produces second resonance.
Preferably, said the 3rd branch (6) comprises three child branches connected vertically in twos: first sub-branch (61), second sub-branch (62), the 3rd sub-branch (63);
Said second branch (7) is positioned between first sub-branch (61), the 3rd sub-branch (63); And there is second gap (12) between second branch (7) and first sub-branch (61); There is third space (9) between second branch (7) and the 3rd sub-branch (63), has the 4th gap (11) between the 3rd sub-branch (63) and antenna ground (2);
The 3rd sub-branch (63) produces the 3rd resonance with second branch (7), antenna ground (2) respectively through third space (9), the 4th gap (11).
Preferably, second branch (7) produces the 4th resonance with first sub-branch (61), the 3rd sub-branch (63) respectively through second gap (12), third space (9).
Compared with prior art, first antenna of the utility model emission sheet and second antenna emission sheet can produce four resonance through coupling, can support a plurality of frequency ranges simultaneously, like LTE frequency range and traditional frequency range.
Description of drawings
Fig. 1 is the structural representation of a kind of multifrequency antenna of the utility model specific embodiment;
The sketch map that Fig. 2 uses in computer for a kind of multifrequency antenna of the utility model specific embodiment.
Embodiment
The below combines accompanying drawing and specific embodiment that the utility model is done further description.
Embodiment
Like Fig. 1, a kind of multifrequency antenna 100 comprises first antenna emission sheet 4, second antenna emission sheet 3; The end of first antenna emission sheet 4 is connected with distributing point 1; Second antenna emission sheet 3 is connected with antenna ground 2; Second antenna emission sheet 3 extends three and is parallel to each other and branch that the position is staggered: first branch 5, second branch 7, the 3rd branch 6.
Wherein, first antenna emission sheet 4 comprises two branches that are vertically connected on together: the 4th branch 41, quintafurcation 42; The end of quintafurcation 42 is connected with distributing point 1.
There is first gap 8 between the 4th branch 41, first branch 5; The 4th branch 41 and first branch 5 are coupled in first gap 8, and produce first resonance.Simultaneously, first branch 5 also produces one second resonance.
The 3rd branch 6 comprises three child branches connected vertically in twos: first sub-branch 61, second sub-branch 62, the 3rd sub-branch 63.
Wherein, Second branch 7 is between first sub-branch 61, the 3rd sub-branch 63; And exist between second branch 7 and first sub-branch 61 to exist between second gap, 12, the second branches 7 and the 3rd sub-branch 63 and have the 4th gap 11 between third space 9, the three sub-branches 63 and the antenna ground 2.
The 3rd sub-branch 63 is coupled, and produces the 3rd resonance with second branch 7, antenna ground 2 respectively through third space 9, the 4th gap 11.
Second branch 7 through second gap 12, third space 9 respectively with first sub-branch 61,63 couplings of the 3rd sub-branch, and produce the 4th resonance.
Rationally arrange above four resonance can satisfy traditional a plurality of frequency range and add new LTE frequency range.Generally, first resonance, the 3rd resonance result from low frequency, and second resonance, the 4th resonance are created in high frequency, so just can well satisfy the high frequency of 704 to 960MHz low frequency and 1710 to 2170MHz.First resonance generally covers near the frequency range the 900MHz, and the 3rd resonance generally covers near the frequency range the 700MHz, and second resonance generally covers near the frequency range the 1800MHz, and the 4th resonance generally covers near the frequency range the 2000MHz.
In the present embodiment, antenna 100 is arranged on the software pcb board.
During practical implementation, the technology of the said antenna of the utility model can be that the flexible circuit plate expected also can to realize with the form of shell fragment on the shell attached to the first day of the lunar month.The utility model is not made qualification to it.
Fig. 2 has described present embodiment said antenna 100 possible position in panel computer 500; Antenna 100, antenna 200 are above panel computer 500; Antenna 300, antenna 400 split the right and left of panel computer; The ground of each antenna need connect with the ground of wireless terminal, with the performance of enhance antenna.Here describe for ease, numbering antenna 200,300,400, in fact the structure of antenna 200, antenna 300, antenna 400 antennae 100 is identical.During practical implementation, also can only put two antennas to satisfy the demand of MIMO.
The technology of the said antenna of the utility model can be that the flexible circuit plate expected also can to realize with the form of shell fragment on the shell attached to the first day of the lunar month.The utility model is not made qualification to it.
Compared with prior art, first antenna of the utility model emission sheet and second antenna emission sheet can produce four resonance through coupling, can support LTE frequency range and traditional frequency range simultaneously.
The structure of the utility model can be used at various needs and satisfy in the antenna of multifrequency condition.
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 (5)
1. a multifrequency antenna is characterized in that, comprises first antenna emission sheet (4), second antenna emission sheet (3); The end of said first antenna emission sheet (4) is connected with distributing point (1); Said second antenna emission sheet (3) is connected with antenna ground (2); Said second antenna emission sheet (3) extends three and is parallel to each other and branch that the position is staggered: first branch (5), second branch (7), the 3rd branch (6).
2. a kind of multifrequency antenna according to claim 1 is characterized in that, said first antenna emission sheet (4) comprises two branches that are vertically connected on together: the 4th branch (41), quintafurcation (42); The end of quintafurcation (42) is connected with distributing point (1);
There is first gap (8) between the 4th branch (41), first branch (5); The 4th branch (41) and first branch (5) produce first resonance in first gap (8).
3. a kind of multifrequency antenna according to claim 2 is characterized in that, said first branch (5) produces second resonance.
4. a kind of multifrequency antenna according to claim 1 is characterized in that, said the 3rd branch (6) comprises three child branches connected vertically in twos: first sub-branch (61), second sub-branch (62), the 3rd sub-branch (63);
Said second branch (7) is positioned between first sub-branch (61), the 3rd sub-branch (63); And there is second gap (12) between second branch (7) and first sub-branch (61); There is third space (9) between second branch (7) and the 3rd sub-branch (63), has the 4th gap (11) between the 3rd sub-branch (63) and antenna ground (2);
The 3rd sub-branch (63) produces the 3rd resonance with second branch (7), antenna ground (2) respectively through third space (9), the 4th gap (11).
5. a kind of multifrequency antenna according to claim 4 is characterized in that, second branch (7) produces the 4th resonance with first sub-branch (61), the 3rd sub-branch (63) respectively through second gap (12), third space (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220087332 CN202474197U (en) | 2012-03-09 | 2012-03-09 | Multi-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220087332 CN202474197U (en) | 2012-03-09 | 2012-03-09 | Multi-frequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202474197U true CN202474197U (en) | 2012-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220087332 Expired - Fee Related CN202474197U (en) | 2012-03-09 | 2012-03-09 | Multi-frequency antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202474197U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022648A (en) * | 2012-12-25 | 2013-04-03 | 上海安费诺永亿通讯电子有限公司 | Low-profile mobile terminal antenna |
| WO2014161331A1 (en) * | 2013-07-23 | 2014-10-09 | 中兴通讯股份有限公司 | Antenna apparatus for terminal device |
| CN104103892A (en) * | 2013-04-09 | 2014-10-15 | 宏碁股份有限公司 | Mobile communication device |
-
2012
- 2012-03-09 CN CN 201220087332 patent/CN202474197U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022648A (en) * | 2012-12-25 | 2013-04-03 | 上海安费诺永亿通讯电子有限公司 | Low-profile mobile terminal antenna |
| CN103022648B (en) * | 2012-12-25 | 2015-01-14 | 上海安费诺永亿通讯电子有限公司 | Low-profile mobile terminal antenna |
| CN104103892A (en) * | 2013-04-09 | 2014-10-15 | 宏碁股份有限公司 | Mobile communication device |
| CN104103892B (en) * | 2013-04-09 | 2016-08-10 | 宏碁股份有限公司 | Mobile communications device |
| WO2014161331A1 (en) * | 2013-07-23 | 2014-10-09 | 中兴通讯股份有限公司 | Antenna apparatus for terminal 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: 20121003 Termination date: 20190309 |