CN203850427U - Antenna suitable for communication device equipped with metallic frame - Google Patents
Antenna suitable for communication device equipped with metallic frame Download PDFInfo
- Publication number
- CN203850427U CN203850427U CN201420278488.XU CN201420278488U CN203850427U CN 203850427 U CN203850427 U CN 203850427U CN 201420278488 U CN201420278488 U CN 201420278488U CN 203850427 U CN203850427 U CN 203850427U
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- China
- Prior art keywords
- antenna
- outer frame
- metal outer
- frequency radiation
- matching unit
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- Expired - Lifetime
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- 238000004891 communication Methods 0.000 title claims abstract description 24
- 230000005855 radiation Effects 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims description 33
- 238000013461 design Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses an antenna suitable for a communication device equipped with a metallic frame. The antenna comprises a radiation line, a metallic frame (203), matching units, a feed end (10), and a grounding point (20). The radiation line comprises a low-frequency radiation branch (101) and a high-frequency radiation branch (102) that are extended from the feed end (10) to two sides and that are not coupled. The other end of the low-frequency radiation branch (101) is connected with the metallic frame (203) and is connected with the grounding point through a first matching unit (10). The other end of the high-frequency radiation branch (102) is connected with the metallic frame (203) and is connected with the grounding point through a second matching unit. Compared with a product in the prior art, the antenna may achieve communication quality complying with a national relevant standard on a miniature wireless terminal communication device equipped with a metallic frame. Further, the antenna is small in size and low in production cost, and complies with a production requirement.
Description
Technical field
The utility model relates to communication technical field, particularly a kind of antenna of terminal equipment.
Background technology
Along with scientific and technological progress, mobile phone becomes the requisite mobile communication facility of common people, and along with Cell Phone Design obtain more and smaller and more exquisite, also more and more higher for the requirement of antenna, how Antenna Design is obtained to volume is little, one of the low main direction that has become Antenna Design of cost, make a general survey of the Mobile Industry of these more than ten years, relate to and adopt the product of all-metal housing mode less, topmost reason is exactly under conventional design theory, all-metal housing can have huge interference to the reception of antenna for mobile phone and transmitting, while directly causing mobile phone terminal to use, there is the shortcoming of dtr signal, at communication base station signal, covering not so good area usually cannot dial or receive calls, so, often and do not meet country for the requirement of communication quality, and, in the urgent moment, occur that this situation that cannot dial or receive calls will directly threaten end user's safety, produce huge potential safety hazard.
Utility model content
In view of this, the problem of the required solution of the utility model is to provide a kind of antenna that is suitable for having the communication apparatus of metal outer frame.
In order to address the above problem, technical scheme provided by the utility model is as follows:
A kind of antenna that is suitable for having the communication apparatus of metal outer frame, comprise radiation cabling, metal outer frame, matching unit, feed end and earth point, described radiation cabling comprises low frequency radiation branch and the high frequency radiation branch not being coupled mutually to both sides horizontal-extending from feed end, the described low frequency radiation branch other end is connected with described metal outer frame one side, and be connected with earth point by the first matching unit, the described high frequency radiation branch other end is connected with described metal outer frame opposite side, and is connected with earth point by the second matching unit.
Preferably, described low frequency radiation branch and high frequency radiation branch length are 1/2nd of working frequency range wavelength.
Preferably, described the first matching unit, the second matching unit comprise match circuit and selected cell.
Preferably, described match circuit adopts T-shaped, π type or L-type matching network.
Preferably, described selected cell comprises that one for the switch function of commutation circuit.
Preferably, described radiation cabling integral body is T-shape structure.
Preferably, described antenna be arranged on phone housing or interior of mobile phone support on or in described metal outer frame.
The utility model is claimed a kind of terminal equipment with said structure antenna also.
With respect to prior art, the beneficial effects of the utility model are as follows:
(1) efficiently solve the problem of using signal that metal outer frame causes to weaken in design;
(2) structure is comparatively simple, takes up room little, meets current mobile terminal for the Production requirement that volume is little, cost is low of antenna;
(3) communications band width and communication quality are up to state standards.
Accompanying drawing explanation
Fig. 1 is antenna base structure schematic diagram described in the utility model;
Fig. 2 is the application state structural representation of antenna embodiment described in the utility model;
Fig. 3 is a kind of embodiment of antenna described in the utility model return loss plot in equipment;
Fig. 4 is the passive efficiency figure of a kind of embodiment of antenna described in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model content is described in further detail.
Fig. 1 and Fig. 2, be a kind of embodiment of the antenna of the communication apparatus that is suitable for having metal outer frame described in the utility model, and wherein Fig. 1 is the basic structure schematic diagram of described antenna, and Fig. 2 is this embodiment antenna applications view.
As shown in Figure 1, the basic structure of described antenna comprises radiation cabling, metal outer frame, matching unit, feed end 10 and earth point.Radiation cabling comprises the 101He of the low frequency radiation branch high frequency radiation branch 102 that extension is not coupled mutually from feed end 10 to both sides transverse horizontal, and the 102Yu of high frequency radiation branch low frequency radiation branch 101 is with point-blank; Preferably, the 101Yu of low frequency radiation branch high frequency radiation branch 102 length are 1/2nd of working frequency range wavelength, can obtain better bandwidth and radiation effect.During concrete application, radiation cabling can be as required from the feed end 10 more antenna branch of extending out, to meet different frequency range demands.
This 101Ji of low frequency radiation branch high frequency radiation branch 102 other end relative with feed end 10 is connected respectively to metal outer frame 203, and by the first matching unit 201 and the second matching unit 202, be connected with earth point respectively, this first matching unit 201, the second matching unit 202 comprise match circuit and selected cell, in match circuit, can adopt T-shaped, π type, or the matching network such as L-type, effect is antenna impedance to be adjusted to and to approach 50 ohm, realizes the maximization of antenna power; For selected cell, can adopt the element with switching function to control the access of match circuit, to reach the object of impedance matching.
As shown in Figure 2, under realistic application conditions, described metal outer frame 203 is centered around around whole communication apparatus, for connecting or the auxiliary intermediate frame that connects terminal equipment upper-lower casing.The antenna part of this embodiment, described radiation cabling goes out from feed end 10 horizontal-extendings, its two ends are connected with metal outer frame 203, this matching unit is separately positioned on the both sides of metal outer frame, here metal outer frame has also played the effect of fixed antenna position, in actual applications, the size of this radiation cabling can be made change according to concrete actual conditions, and also can arrange aerial position according to concrete actual conditions, be arranged in phone housing surface, support or metal outer frame 203.
During normal work, radiation cabling is because be connected with metal outer frame 203, make metal outer frame 203 become a part for antenna, and this radiation cabling is by matching connection unit, be linked into earth point, form complete loops, guaranteed the output of antenna power, can obtain the effect of good band bandwidth and radiation gain.
Fig. 3,4 is the antenna measurement result of Fig. 1,2 illustrated embodiments, and wherein Fig. 3 is the return loss plot of antenna in equipment, and Fig. 4 is the passive efficiency figure of antenna in equipment.
As shown in Figure 3, through experimental test, this antenna is by being connected with metal outer frame 203, and by technological means such as matching unit ground connection, return loss value maximum can reach 25 decibels of left and right, illustrates that its communication effect is better.
As shown in Figure 4, its efficiency in height frequency range of this utility model embodiment is all more than 50%, maximum approaches 60%, by above data those skilled in the art, can recognize that this embodiment can efficiently solve the problem of using signal that metal outer frame causes to weaken in design, communications band width and communication quality can be up to state standards.
In the utility model, the not concrete functional module of introducing all can adopt functional module ripe in prior art, for example matching unit.
The above; it is only embodiment of the present utility model; but the protection range of this utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.
Claims (8)
1. an antenna that is suitable for having the communication apparatus of metal outer frame, comprise radiation cabling, metal outer frame (203), matching unit, feed end (10) and earth point, it is characterized in that, described radiation cabling comprises low frequency radiation branch (101) and the high frequency radiation branch (102) not being coupled mutually to both sides horizontal-extending from feed end (10), described low frequency radiation branch (101) other end is connected with described metal outer frame (203) one sides, and be connected with earth point by the first matching unit (201), described high frequency radiation branch (102) other end is connected with described metal outer frame (203) opposite side, and be connected with earth point by the second matching unit (202).
2. a kind of antenna that is suitable for having the communication apparatus of metal outer frame according to claim 1, is characterized in that, described low frequency radiation branch (101) is 1/2nd of working frequency range wavelength with high frequency radiation branch (102) length.
3. a kind of antenna that is suitable for having the communication apparatus of metal outer frame according to claim 1, is characterized in that, described the first matching unit (201), the second matching unit (202) comprise match circuit and selected cell.
4. a kind of antenna that is suitable for having the communication apparatus of metal outer frame according to claim 3, is characterized in that, that described match circuit adopts is T-shaped, π type or L-type matching network.
5. a kind of antenna that is suitable for having the communication apparatus of metal outer frame according to claim 3, is characterized in that, described selected cell comprises that one for the switch function of commutation circuit.
6. a kind of antenna that is suitable for having the communication apparatus of metal outer frame according to claim 1, is characterized in that, described radiation cabling integral body is T-shape structure.
7. according to a kind of described in claim 6, be suitable for having the antenna of the communication apparatus of metal outer frame, it is characterized in that, described antenna be arranged on phone housing or interior of mobile phone support on or in described metal outer frame.
8. a terminal equipment, is characterized in that, comprises the antenna described in any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278488.XU CN203850427U (en) | 2014-05-28 | 2014-05-28 | Antenna suitable for communication device equipped with metallic frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420278488.XU CN203850427U (en) | 2014-05-28 | 2014-05-28 | Antenna suitable for communication device equipped with metallic frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850427U true CN203850427U (en) | 2014-09-24 |
Family
ID=51563403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420278488.XU Expired - Lifetime CN203850427U (en) | 2014-05-28 | 2014-05-28 | Antenna suitable for communication device equipped with metallic frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203850427U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597360A (en) * | 2015-02-11 | 2015-05-06 | 小米科技有限责任公司 | Testing tool, welding point testing method and device and electronic equipment |
| CN105870629A (en) * | 2016-05-23 | 2016-08-17 | 广东欧珀移动通信有限公司 | Terminal antenna and intelligent terminal |
| CN107959120A (en) * | 2016-10-17 | 2018-04-24 | 比亚迪股份有限公司 | Reconfigurable antenna and mobile terminal |
| CN109155461A (en) * | 2016-06-03 | 2019-01-04 | 夏普株式会社 | Antenna assembly and wireless device |
-
2014
- 2014-05-28 CN CN201420278488.XU patent/CN203850427U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597360A (en) * | 2015-02-11 | 2015-05-06 | 小米科技有限责任公司 | Testing tool, welding point testing method and device and electronic equipment |
| CN104597360B (en) * | 2015-02-11 | 2019-03-01 | 小米科技有限责任公司 | Test fixture and pad test method, device and electronic equipment |
| CN105870629A (en) * | 2016-05-23 | 2016-08-17 | 广东欧珀移动通信有限公司 | Terminal antenna and intelligent terminal |
| CN109155461A (en) * | 2016-06-03 | 2019-01-04 | 夏普株式会社 | Antenna assembly and wireless device |
| CN107959120A (en) * | 2016-10-17 | 2018-04-24 | 比亚迪股份有限公司 | Reconfigurable antenna and mobile terminal |
| CN107959120B (en) * | 2016-10-17 | 2020-07-10 | 比亚迪股份有限公司 | Reconfigurable antenna and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |