CN103178343B - Antenna assembly and mobile terminal - Google Patents
Antenna assembly and mobile terminal Download PDFInfo
- Publication number
- CN103178343B CN103178343B CN201310094203.7A CN201310094203A CN103178343B CN 103178343 B CN103178343 B CN 103178343B CN 201310094203 A CN201310094203 A CN 201310094203A CN 103178343 B CN103178343 B CN 103178343B
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- Prior art keywords
- antenna
- metallic region
- antenna assembly
- mainboard
- current feed
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- 239000004020 conductor Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 description 28
- 229910052751 metal Inorganic materials 0.000 description 28
- 239000011800 void material Substances 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- -1 frame 7 Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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Abstract
The present invention is applied to the communications field, there is provided a kind of antenna assembly and mobile terminal, the antenna assembly include the metallic region of ring-type;The metallic region is a complete electric conductor with the conductive face-piece and mainboard of mobile terminal;It is arranged above the metallic region, couples with the frame of the metallic region, produces the antenna body of one or more frequency resonant points;The first current feed terminal bridged by the mainboard and the second current feed terminal;First current feed terminal is connected with the ground wire of mainboard, and second current feed terminal is connected with the holding wire of the mainboard.Antenna assembly proposed by the present invention and mobile terminal enhance the radio-frequency performance of antenna.
Description
Technical field
The invention belongs to the communications field, more particularly to a kind of antenna assembly and mobile terminal.
Background technology
Mobile terminal increasingly focuses on Consumer's Experience, and metal face-piece can bring good texture, but metal face-piece itself
Impact to antenna is very big, is to solve this difficult problem, and many technologies are that a breakpoint, this design are cut on metal edge frame at present
The outward appearance of mobile terminal can be typically affected, and structural reliability design difficulty is larger.There is a kind of technology to be in metal covering at present
Increase a feed ground point in the middle of shell, this technological constraint is larger, and its feed ground point is needed at the middle part of metal face-piece, and
Metal face-piece itself does not produce resonance point, and metal face-piece is only the extension of antenna body.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of antenna assembly and mobile terminal, it is intended to solved existing mobile whole
The problem that the conductive face-piece at end has a negative impact to the radio-frequency performance of antenna, while the impact held to antenna can be reduced.
The embodiment of the present invention is achieved in that a kind of antenna assembly, including:
The metallic region of ring-type;The metallic region is a complete conduction with the conductive face-piece and mainboard of mobile terminal
Body;
It is arranged above the metallic region, couples with the frame of the metallic region, produces one or more frequency resonance
The antenna body of point;
The first current feed terminal bridged by the mainboard and the second current feed terminal;First current feed terminal and mainboard
Ground wire connects, and second current feed terminal is connected with the holding wire of the mainboard.
Further, also including being arranged in the vacancy section of the metallic region, the frame coupling with the metallic region
Close, produce the antenna cabling of the 3rd frequency resonant point.
Further, the antenna cabling is U-shaped or L-type.
Further, the length of the antenna cabling is adjusted according to the 3rd frequency resonant point standing wave depth.
Further, the distance between the antenna cabling and coupled frame are according to the 3rd frequency resonant point
Standing wave depth is adjusted.
Further, the antenna cabling is humorous according to the 3rd frequency with the distance of the frame corner of the metallic region
A standing wave depth of shaking is adjusted.
Further, the antenna body includes at least two antenna branch, couples product with the frame of the metallic region
The different frequency resonant point of life.
Further, the length between the antenna body and the first current feed terminal is adjusted according to resonant frequency point impedance magnitude
It is whole.
Further, the size or shape of the metallic region ring is adjusted according to the size of each resonant frequency.
The present invention also proposes a kind of mobile terminal, including conductive face-piece, mainboard and antenna assembly, it is characterised in that described
Antenna assembly includes:
The metallic region of ring-type;The metallic region is a complete conduction with the conductive face-piece and mainboard of mobile terminal
Body;
It is arranged above the metallic region, couples with the frame of the metallic region, produces one or more frequency resonance
The antenna body of point;
The first current feed terminal bridged by the mainboard and the second current feed terminal;First current feed terminal and mainboard
Ground wire connects, and second current feed terminal is connected with the holding wire of the mainboard.
Further, also including being arranged in the vacancy section of the metallic region, the frame coupling with the metallic region
Close, produce the antenna cabling of the 3rd frequency resonant point.
Further, the antenna cabling is U-shaped or L-type.
Further, the length of the antenna cabling is adjusted according to the 3rd frequency resonant point standing wave depth.
Further, the distance between the antenna cabling and coupled frame are according to the 3rd frequency resonant point
Standing wave depth is adjusted.
Further, the antenna cabling is humorous according to the 3rd frequency with the distance of the frame corner of the metallic region
A standing wave depth of shaking is adjusted.
Further, the antenna body includes at least two antenna branch, couples product with the frame of the metallic region
The different frequency resonant point of life.
Further, the length between the antenna body and the first current feed terminal is adjusted according to resonant frequency point impedance magnitude
It is whole.
Further, the size or shape of the metallic region ring is adjusted according to the size of each resonant frequency.
In embodiments of the present invention, it is not necessary to directly do not present in the metal face-piece breaking of mobile terminal, and its distributing point
Electricity is in metal face-piece, but makes the conductive face-piece of mobile terminal become an antenna part by coupling parasitic method, produces new
Resonance radiation point.Compared to existing technology, it is this to can be used to produce broader antenna by the parasitic method for producing new radiant
Bandwidth.
Description of the drawings
Fig. 1 is the structure chart of the antenna assembly that the embodiment of the present invention one is provided;
Fig. 2 is the structure chart of the antenna assembly that the embodiment of the present invention one is provided.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Embodiment one
The embodiment of the present invention one proposes a kind of antenna assembly for being applied to mobile terminal, and the mobile terminal includes conducting surface
Shell 1 and mainboard 2, mainboard 2 are placed on the conductive face-piece 1 of mobile terminal or are embedded, due to mainboard 2 and 1 phase of conductive face-piece
Contact, produces electrical connection, therefore mainboard 2 forms complete electric conductor with conductive face-piece 1, and conductive face-piece 1 can be adapted to material
The for example various metallic conductors of electric conductor.As shown in figure 1, the antenna assembly of the embodiment of the present invention one includes the metal area of a ring-type
Domain 8, antenna body, the first current feed terminal and the second current feed terminal.
Metallic region 8 is metal edge frame void region, can be arranged on mainboard 2 or conductive face-piece 1, or as shown in figure 1,
It is made up of mainboard 2 and conductive face-piece 1, metallic region 8 is generally arranged at the adjacent side such as conductive face-piece 1 of the mainboard 2
Bottom or top.
The shape of metallic region 8 can be the shape being adapted to such as circular, oval or square, in the embodiment of the present invention, with
Metallic region 8 be rectangle as a example by illustrate, wherein, metal edge frame 7 for metallic region 8 wherein one long side frame.
Antenna body is arranged on metallic region 8, and antenna cabling is drawn from distributing point 4, and wherein antenna is located at metal
Part cabling 9 in the void region in region 8(In the present embodiment, cabling 9 is U-shaped)Near and parallel to metal edge frame 7, enable
Amount produces a frequency resonant point, energy is radiate coupled to metal edge frame 7, metal edge frame 7 itself.Above-mentioned cabling 9 exists
In practical application, could be arranged to other shapes such as L-type, the cabling 9 can also non-critical ground parallel to metal edge frame 7, but
It is preferable parallel to effect during metal edge frame 7.In embodiments of the present invention, cabling 9 is located in the void region of metallic region 8, real
The top of void region is can be located in the application of border and near void region.
From after cabling 9, the cabling to above the void region of metallic region 8 produces antenna body to antenna, and the present invention is implemented
In example, antenna body includes that two antenna branch 5 and 6, antenna branch 5 and antenna branch 6 can produce two new frequencies respectively
Resonance point.
Antenna cabling is drawn from ground feed point 3, and to cabling above the void region of metallic region 8, forms cabling 10, walk
Line 10(Also referred to as feeder line)One end is connected with distributing point 3, and one end is connected with antenna body, change cabling 10 length and its with day
Line main body connecting position, adjustable antenna resonant frequency point impedance.
Whole antenna is fed by two distributing points 3,4 of mainboard 2, and wherein distributing point 3 is ground feed point, and the of antenna
One current feed terminal is connected with the ground wire of mainboard 2 by this feed point;Distributing point based on distributing point 4, the second current feed terminal of antenna lead to
Cross this feed point to connect with 2 holding wire of mainboard.
In practical application, antenna body can include one or more antenna branch, be arranged as required to.As shown in figure 1, this
Liang Ge branch of the antenna branch 5,6 of inventive embodiments for antenna body, produces first frequency resonance point and second frequency respectively
Resonance point.
Distributing point 4 produces coupling with metal edge frame 7 by one section of cabling 9 near and parallel to metal edge frame 7, will
Energy is radiate on metal edge frame 7 by energy coupling by metal edge frame 7, produces the 3rd frequency resonant point.Change gold
The size or shape of the void region in category region 8, or the length of each metal edge frame of adjustment metallic region 8, control its resonance
Frequency, can adjust the 3rd frequency resonant point.
So that antenna body includes 2 branches as an example, the radiation theory of said antenna device is illustrated:
As shown in Fig. 2 antenna branch 5 and antenna branch 6 produce the first resonant frequency point and second frequency resonance point respectively,
Resonance length is of about 1/4 wavelength of each self-resonant frequency, produces the 3rd resonance frequency by the metal edge frame 7 that coupled modes feed
Rate point, resonance length are about 1/2 wavelength, adjust the size or shape of metallic region 8, can change the effective of annular peripheral frame antenna
Length, so as to change its resonance dot frequency, its radiation theory is similar to loop aerial.Parallel to metal edge frame 7 in regulation cabling 9
Partial length d2 and its gap d 3 with metal edge frame 7, and the frame corner in 9 opposing metallic region 8 of cabling apart from d1,
The resonance point standing wave depth can be improved.Distributing point 3 is controllable and adjusts the first resonant frequency and the second resonant frequency standing wave depth.
Wherein, using coupled modes produce the 3rd resonance point can with the first resonant frequency or the second combination of resonant frequencies,
A wider resonance range is produced, so as to spreading antenna bandwidth.
In embodiments of the present invention, it is not necessary to directly do not present in the metal face-piece breaking of mobile terminal, and its distributing point
Electricity is in metal face-piece, but makes the conductive face-piece of mobile terminal become an antenna part by coupling parasitic method, produces new
Resonance radiation point.
Embodiment two
The embodiment of the present invention two proposes a kind of mobile terminal, including conductive face-piece, mainboard and antenna assembly, the antenna assembly
Structure and operation principle it is similar to the antenna assembly of the embodiment of the present invention one, here is omitted.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of antenna assembly, it is characterised in that include:
The metallic region of ring-type;The metallic region is a complete electric conductor with the conductive face-piece and mainboard of mobile terminal;
It is arranged above the metallic region, couples with the frame of the metallic region, produces one or more frequency resonant points
Antenna body;
The first current feed terminal bridged by the mainboard and the second current feed terminal;The ground wire of first current feed terminal and mainboard
Connection, second current feed terminal are connected with the holding wire of the mainboard;
It is arranged in the vacancy section of the metallic region, couples with a frame of the metallic region, produces the 3rd frequency resonance
The antenna cabling of point;
Wherein, the antenna body is connected with first current feed terminal and the second current feed terminal by the antenna cabling.
2. antenna assembly as claimed in claim 1, it is characterised in that the antenna cabling is U-shaped or L-type.
3. antenna assembly as claimed in claim 1 or 2, it is characterised in that the length of the antenna cabling is according to the described 3rd
Frequency resonant point standing wave depth is adjusted.
4. antenna assembly as claimed in claim 1 or 2, it is characterised in that the antenna cabling and coupled frame it
Between distance adjusted according to the 3rd frequency resonant point standing wave depth.
5. antenna assembly as claimed in claim 1 or 2, it is characterised in that the side of the antenna cabling and the metallic region
The distance of frame corner is adjusted according to the 3rd frequency resonant point standing wave depth.
6. antenna assembly as claimed in claim 1 or 2, it is characterised in that the antenna body includes at least two antennas point
, the different frequency resonant point of generation is coupled from the frame of the metallic region.
7. antenna assembly as claimed in claim 1 or 2, it is characterised in that between the antenna body and the first current feed terminal
Length according to resonant frequency point impedance magnitude adjust.
8. antenna assembly as claimed in claim 1 or 2, it is characterised in that the size or shape of the metallic region ring according to
The size adjustment of each resonant frequency.
9. a kind of mobile terminal, including conductive face-piece, mainboard and antenna assembly, it is characterised in that the antenna assembly is right
Require the antenna assembly any one of 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310094203.7A CN103178343B (en) | 2013-03-22 | 2013-03-22 | Antenna assembly and mobile terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310094203.7A CN103178343B (en) | 2013-03-22 | 2013-03-22 | Antenna assembly and mobile terminal |
Publications (2)
Publication Number | Publication Date |
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CN103178343A CN103178343A (en) | 2013-06-26 |
CN103178343B true CN103178343B (en) | 2017-03-29 |
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CN201310094203.7A Expired - Fee Related CN103178343B (en) | 2013-03-22 | 2013-03-22 | Antenna assembly and mobile terminal |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104425894A (en) * | 2013-08-21 | 2015-03-18 | 耀登科技股份有限公司 | Multifrequency antenna, and mobile communication apparatus with multifrequency antenna |
CN104078746B (en) * | 2014-06-27 | 2015-12-02 | 努比亚技术有限公司 | Key device and mobile terminal |
CN104269609B (en) * | 2014-09-16 | 2019-03-15 | 深圳汉阳天线设计有限公司 | A kind of slot antenna using resonant feed structure |
CN106207373B (en) * | 2015-05-29 | 2020-08-18 | 深圳富泰宏精密工业有限公司 | Wireless communication device and antenna thereof |
CN106505300A (en) * | 2015-09-06 | 2017-03-15 | 中兴通讯股份有限公司 | Antenna and user equipment |
CN105573111A (en) * | 2016-02-17 | 2016-05-11 | 广东小天才科技有限公司 | Intelligent wearable equipment |
CN106506023B (en) * | 2016-09-29 | 2021-04-16 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
CN108023173A (en) * | 2016-11-01 | 2018-05-11 | 中兴通讯股份有限公司 | Antenna and communication terminal |
CN112563737B (en) * | 2020-11-02 | 2022-02-11 | 中山大学 | Dual-frequency antenna comprising periodic leaky-wave structure and manufacturing method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6515625B1 (en) * | 1999-05-11 | 2003-02-04 | Nokia Mobile Phones Ltd. | Antenna |
CN200986965Y (en) * | 2006-09-15 | 2007-12-05 | 广达电脑股份有限公司 | Built-in multi-frequency antenna of mobile communication device and mobile communication device |
CN102255134A (en) * | 2011-04-21 | 2011-11-23 | 广东欧珀移动通信有限公司 | Multi-coupling built-in antenna device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6414637B2 (en) * | 2000-02-04 | 2002-07-02 | Rangestar Wireless Inc. | Dual frequency wideband radiator |
-
2013
- 2013-03-22 CN CN201310094203.7A patent/CN103178343B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6515625B1 (en) * | 1999-05-11 | 2003-02-04 | Nokia Mobile Phones Ltd. | Antenna |
CN200986965Y (en) * | 2006-09-15 | 2007-12-05 | 广达电脑股份有限公司 | Built-in multi-frequency antenna of mobile communication device and mobile communication device |
CN102255134A (en) * | 2011-04-21 | 2011-11-23 | 广东欧珀移动通信有限公司 | Multi-coupling built-in antenna device |
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CN103178343A (en) | 2013-06-26 |
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Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant after: NUBIA TECHNOLOGY Co.,Ltd. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant before: SHENZHEN ZTE MOBILE TELECOM Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |
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