CN104241843A - Antenna structure and wireless communication apparatus using the same - Google Patents
Antenna structure and wireless communication apparatus using the same Download PDFInfo
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- CN104241843A CN104241843A CN201310222842.7A CN201310222842A CN104241843A CN 104241843 A CN104241843 A CN 104241843A CN 201310222842 A CN201310222842 A CN 201310222842A CN 104241843 A CN104241843 A CN 104241843A
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- extension
- antenna element
- antenna
- radiant body
- antenna structure
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Abstract
The invention provides an antenna structure applied to a wireless communication apparatus. The antenna structure comprises a feed-in terminal, a radiating body and a metal element; and the antenna feed-in terminal is connected with the radiating body. The metal element that is a metal outer frame of the wireless communication apparatus includes a first antenna unit and a second antenna unit; and the first antenna unit, the second antenna unit and the radiating body are arranged at intervals. In addition, the invention also provides a wireless communication apparatus having the antenna structure. Because of the metal side elements, serving as the first antenna unit and the second antenna unit of the antenna, of the wireless communication apparatus, the requirement of a clearance zone from the antenna structure can be effectively reduced and the antenna radiation efficiency is improved. Meanwhile, the internal space occupied by the antenna can be well reduced, thereby realizing the miniaturization development trend of the wireless communication apparatus conveniently.
Description
Technical field
The present invention relates to a kind of antenna structure, particularly relate to and a kind ofly utilize the antenna structure of metal shell and apply the radio communication device of this antenna structure.
Background technology
Radio communication device is towards compact trend development in recent years, and antenna, as one of significant components in radio communication, also must comply with this trend.On the other hand, some radio communication devices are the demand be designed beautifully, gradually adopt the shell of metal material, and this Net empty interval to antenna proposes requirements at the higher level, therefore, how reducing antenna size and take the inner space of radio communication device, will be the important topic that Antenna Design faces.
Summary of the invention
In view of the above circumstances, be necessary to provide a kind of less antenna structure that takes up room.
Separately, there is a need to provide a kind of radio communication device applying described antenna structure.
A kind of antenna structure, it is applied to radio communication device, comprise feed side, radiant body and metalwork, described antenna feed side is connected with radiant body, described metalwork is the metal outer frame of radio communication device, it comprises the first antenna element and the second antenna element, and described first antenna element and the second antenna element and radiant body interval are arranged.
A kind of radio communication device, it comprises antenna structure, metal outer frame and circuit board, described circuit board is provided with load point and earth point, described metal outer frame comprises main frame and the first antenna element of being extended by main frame and the second antenna element, described antenna structure comprises feed side and radiant body, and described feed side is connected with load point, and described main frame is connected with earth point, described radiant body is connected with feed side, and described first antenna element and the second antenna element and radiant body interval are arranged.
Antenna structure of the present invention using the metal edge pieces of radio communication device as the first antenna element of antenna and the second antenna element, effective reduction antenna structure is to the requirement of Net dead zone, improve the radiation efficiency of antenna, simultaneously, be conducive to reducing inner space shared by antenna, be convenient to the miniaturization trend of radio communication device.
Accompanying drawing explanation
Fig. 1 is the stereogram that the present invention has the radio communication device of antenna structure.
Fig. 2 is the return loss plot of the antenna structure shown in Fig. 1.
Main element symbol description
| Antenna structure | 100 |
| Feed side | 10 |
| Radiant body | 30 |
| First extension | 31 |
| Second extension | 33 |
| Metalwork | 70 |
| Main frame | 71 |
| First antenna element | 72 |
| Second antenna element | 74 |
| First extension | 741 |
| Second extension | 743 |
| 3rd extension | 745 |
| Communicator | 200 |
| Circuit board | 220 |
| Load point | 222 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, in first embodiment of the invention, provide a kind of antenna structure 100, it is applied to mobile phone, panel computer etc. has in the radio communication device 200 of metal shell.
This radio communication device 200 comprises circuit board 220, this circuit board 220 is arranged a load point 222 and earth point (not shown), and this load point 222 is for being antenna structure 100 feed-in electric current, and this earth point provides system earth for antenna structure 100.This antenna structure 100 comprises feed side 10, radiant body 30 and metalwork 70.In the present embodiment, this feed side 10 is connected with load point 222, and this radiant body 30 is connected with feed side 10, and this metalwork 70 and radiant body 30 interval are arranged.
This radiant body 30 comprises the first extension 31 and the second extension 33, this first extension 31 is connected with feed side 10 is vertical, this second extension 33 and the first extension 31 coplanar, and this second extension 33 is connected with the first extension 31 is vertical thus forms one " L " shape structure, in the present embodiment, the length of this second extension 33 is greater than the length of the first extension 31.
This metalwork 70 is the appearance member of radio communication device 200, as the metal outer frame of radio communication device 200.In the present embodiment, this metalwork 70 is frame structures, it the first antenna element 72 and the second antenna element 74 comprising main frame 71 and extended to form by main frame 71.This main frame 71, first antenna element 72 and the second antenna element 74 form the metal outer frame of radio communication device 200 jointly, to enclose circuit board 220 in the inner.This main frame 71 is connected with the earth point on circuit board 220 by the mode such as shell fragment, welding.This first antenna element 72 is extended by the end of this main frame 71, and the plane at this first antenna element 72 place, the plane at main frame 71 place and radiant body 30 place plane are mutually vertical between two.In the present embodiment, this first antenna element 72 is a straight lamellar body, its towards near radiant body 30 direction extend and and the second extension 33 interval arrange.This second antenna element 74 and the coplanar setting of the first antenna element 72, it comprises the first extension 743, extension 741, second and the 3rd extension 745.This first extension 741 is extended by the end of this main frame 71 and is extended towards the direction identical with the first antenna element 72, this first extension 741 and the first antenna element 72 parallel interval are arranged, and the length of this first extension 741 is longer than the first antenna element 72.This second extension 743 is vertically connected between the first extension 741 and the 3rd extension 745.This second extension 743 extends towards near the side of radiant body 30.3rd extension 745 and the second extension 33 interval are arranged, and extend towards the direction near feed side 10.In the present embodiment, this first antenna element 72 and the 3rd extension 745 are in always online, and are oppositely arranged.Form the first slit between this first antenna element 72 and first extension 741, between the 3rd extension 745 and the first extension 741, form the second slit.
Further illustrate the operation principle of this antenna structure 100 below: first, this radiant body 30 is from feed-in current signal load point 222, electric current is successively through the first extension 31 and the second extension 33, thus excite the first operation mode, make this antenna structure 100 have preferably effect when receiving and dispatching the nothing letter signal of WCDMA band2, GSM1800 and GSM1900.Due to the first antenna element 72 and the second antenna element 74 all and the second extension 33 interval arrange, the electric current on this second extension 33 is made to be coupled respectively on the first antenna element 72 and the second antenna element 74, be coupled to electric current on the first antenna element 72 by main frame 71 system earth, thus inspire the second operation mode, make this antenna structure 100 have better effect when receiving and dispatching the wireless signal of WCDMA band1; The electric current be coupled on the second antenna element 74 flows through the 3rd extension, extension 745, second 743 and the first extension 741 successively, and eventually through main frame 71 system earth, this second antenna element 74 inspires the 3rd operation mode, thus makes antenna structure 100 have preferably effect when receiving and dispatching the wireless signal of GSM850 and GSM900.As seen from Figure 2, this antenna structure is 800MHz ~ 900MHz (GSM850 and GSM900), 1800MHz ~ 1900MHz (WCDMA band1) and 1900MHz ~ 2100MHz(WCDMA band2, GSM1800 and GSM1900 at transceiving band) wireless signal time there is better radiation efficiency.
Antenna structure 100 of the present invention is using first antenna element 72 and second antenna element 74 of metalwork 70 as antenna structure 100, the requirement in effective reduction antenna structure 100 pairs of headroom districts, improve the radiation efficiency of antenna, simultaneously, be conducive to reducing inner space shared by antenna, be convenient to the miniaturization trend of radio communication device.
Although be illustrated the preferred embodiment of the present invention and describe, the art personnel will realize, and can make different changes, and these do not exceed scope of the present invention.Therefore expect, the present invention is not limited to disclosed as the preferred forms realized contemplated by the present invention.
Claims (10)
1. an antenna structure, it is applied to radio communication device, comprise feed side, it is characterized in that: this antenna structure comprises radiant body and metalwork, described radiant body is connected with feed side, described metalwork is the metal outer frame of radio communication device, and it comprises the first antenna element and the second antenna element, described first antenna element and the second antenna element all and radiant body interval arrange.
2. the antenna structure as described in claim 1, it is characterized in that: this radiant body comprises the first extension and the second extension, described first extension is connected with feed side is vertical, and described second extension is connected and coplanar setting with the first extension is vertical.
3. the antenna structure as described in claim 2, it is characterized in that: metalwork also comprises main frame, described first antenna element is extended by main frame one end.
4. the antenna structure as described in claim 3, it is characterized in that: the second antenna element comprises the first extension, the second extension and the 3rd extension, described first extension is extended by main frame one end and is arranged with the first antenna element interval, described second extension is vertically connected between the first extension and the 3rd extension, described second extension extends towards near the side of radiant body, described 3rd extension and the second extension interval are arranged, and described 3rd extension extends towards the direction near feed side.
5. the antenna structure as described in claim 4, is characterized in that: the plane at the first antenna element place, the plane at main frame place and radiant body place plane are mutually vertical between two.
6. the antenna structure as described in claim 4, is characterized in that: the length of the first extension is longer than the first antenna element, and described first antenna element and the 3rd extension are in always online, and are oppositely arranged.
7. a radio communication device, it comprises antenna structure, metal outer frame and circuit board, described circuit board is provided with load point and earth point, it is characterized in that comprising main frame and the first antenna element of being extended by main frame one end and the second antenna element in: described metal outer frame, described antenna structure comprises feed side and radiant body, described feed side is connected with load point, described main frame is connected with earth point, described radiant body is connected with feed side, and described first antenna element and the second antenna element and radiant body interval are arranged.
8. the radio communication device as described in claim 7, is characterized in that: radiant body comprises the first extension and the second extension, and described first extends and be connected with feed side is vertical, and described second extension is connected and coplanar setting with the first extension.
9. the radio communication device as described in claim 8, it is characterized in that: the second antenna element comprises the first extension, the second extension and the 3rd extension, described first extension is extended by main frame one end and is arranged with the first antenna element interval, described second extension is vertically connected between the first extension and the 3rd extension, described second extension extends towards near the side of radiant body, described 3rd extension and the second extension interval are arranged, and described 3rd extension extends towards the direction near feed side.
10. the radio communication device as described in claim 9, it is characterized in that: the length of the first extension is longer than the first antenna element, described first antenna element and the 3rd extension are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222842.7A CN104241843B (en) | 2013-06-06 | 2013-06-06 | The wireless communication device of antenna structure and the application antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222842.7A CN104241843B (en) | 2013-06-06 | 2013-06-06 | The wireless communication device of antenna structure and the application antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104241843A true CN104241843A (en) | 2014-12-24 |
| CN104241843B CN104241843B (en) | 2018-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310222842.7A Expired - Fee Related CN104241843B (en) | 2013-06-06 | 2013-06-06 | The wireless communication device of antenna structure and the application antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104241843B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785758A (en) * | 2016-03-16 | 2016-07-20 | 深圳市信维通信股份有限公司 | All-metal watch antenna |
| CN107104270A (en) * | 2016-02-19 | 2017-08-29 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
| CN108281753A (en) * | 2018-01-25 | 2018-07-13 | 瑞声科技（南京）有限公司 | A kind of antenna system and mobile terminal |
| WO2023066282A1 (en) * | 2021-10-19 | 2023-04-27 | 维沃移动通信有限公司 | Antenna structure and electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5365246A (en) * | 1989-07-27 | 1994-11-15 | Siemens Aktiengesellschaft | Transmitting and/or receiving arrangement for portable appliances |
| CN102983405A (en) * | 2011-09-06 | 2013-03-20 | 广达电脑股份有限公司 | Portable electronic device |
| CN202977704U (en) * | 2012-11-01 | 2013-06-05 | 耀登科技股份有限公司 | Anti-metal-frame mobile phone antenna structure |
-
2013
- 2013-06-06 CN CN201310222842.7A patent/CN104241843B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5365246A (en) * | 1989-07-27 | 1994-11-15 | Siemens Aktiengesellschaft | Transmitting and/or receiving arrangement for portable appliances |
| CN102983405A (en) * | 2011-09-06 | 2013-03-20 | 广达电脑股份有限公司 | Portable electronic device |
| CN202977704U (en) * | 2012-11-01 | 2013-06-05 | 耀登科技股份有限公司 | Anti-metal-frame mobile phone antenna structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104270A (en) * | 2016-02-19 | 2017-08-29 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
| CN107104270B (en) * | 2016-02-19 | 2019-07-23 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN105785758A (en) * | 2016-03-16 | 2016-07-20 | 深圳市信维通信股份有限公司 | All-metal watch antenna |
| CN108281753A (en) * | 2018-01-25 | 2018-07-13 | 瑞声科技（南京）有限公司 | A kind of antenna system and mobile terminal |
| WO2023066282A1 (en) * | 2021-10-19 | 2023-04-27 | 维沃移动通信有限公司 | Antenna structure and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104241843B (en) | 2018-07-27 |
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Granted publication date: 20180727 Termination date: 20210606 |