CN105826653A - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
- Publication number
- CN105826653A CN105826653A CN201510870417.8A CN201510870417A CN105826653A CN 105826653 A CN105826653 A CN 105826653A CN 201510870417 A CN201510870417 A CN 201510870417A CN 105826653 A CN105826653 A CN 105826653A
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- Prior art keywords
- metal
- metal portion
- antenna
- gap
- antenna assembly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
Abstract
The present invention provides an antenna device and a mobile terminal. The antenna device includes a metal shell. The metal shell comprises a first metal part and a second metal part. A slit is reserved between the first metal part and the second metal part. The first metal part and the second metal part are in conduction connection with each other through a connecting block. One end of an antenna feed is connected with the first metal part, and the other end of the antenna feed is in coupled feeding connection with the second metal part. The invention also provides a mobile terminal. The mobile terminal comprises the above antenna device. According to the technical scheme of the antenna device, one metal shell is divided into two parts of an antenna, and signals are radiated to the outside of the metal shell through the reserved slit between the two parts. In this way, the problem in the prior art that signals do not easily radiate to the outside by means of a conventional metal shell can be solved. Not only the structural space of the antenna device is saved, but also the appearance expression of the metal shell is ensured. Meanwhile, the complexity of the production process is reduced.
Description
Technical field
The present invention relates to telecommunications field, particularly relate to a kind of antenna assembly and mobile terminal.
Background technology
At present, mobile terminal (such as mobile phone) uses the design form of metal shell mostly.Mobile terminal is in addition to the screen in front, and the side of complete machine and the back side are metal shell and cover.Such design form enhances the appearance power of mobile terminal, it is also possible to dramatically increase its structural strength.
But, the use of metal shell brings the biggest difficulty to Antenna Design, traditional PIFA (PlanarInvertedF-shapedAntenna, planar inverted F-shape antenna), IFA (InvertedF-shapedAntenna, inverse-F antenna), the antenna form such as Monopole (unipole antenna), LOOP (loop aerial) be difficulty with.In prior art, conventional solution is to be dug up by the metal of the antenna area of metal shell, replaces covering antenna area with non-metallic material so that antenna can emittance be gone out.
Although the metal of antenna area to be dug up the design difficulty that can be substantially reduced antenna, but the heavy damage appearance power of metal shell, also reduce its structural strength, and add process complexity.The problem how solving to use metal shell and antenna to coexist is still a difficult problem and popular research direction in industry.
Summary of the invention
During in order to overcome mobile terminal to use metal shell, the technical problem that aerial signal is the best, the invention provides a kind of antenna assembly and mobile terminal.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
The invention provides a kind of antenna assembly, including: metal shell,
Described metal shell includes: the first metal portion and the second metal portion；Wherein, between described first metal portion and the second metal portion, there is a gap；Described first metal portion and described second metal portion are connected by a contiguous block conducting；
Antenna feed, one end is connected with described first metal portion；
Antenna couples branch, and one end is connected with described antenna feed, and the other end is connected with described second metal portion couple feed.
Present invention also offers a kind of mobile terminal, including the antenna assembly described in as above any one.
The invention has the beneficial effects as follows: the antenna assembly of the present invention, a nugget genus enclosure designs is become two parts of antenna, by gap reserved between two parts, signal amplitude is shot out, solve the technical problem that when using metal shell in prior art, signal is the best.Additionally this antenna assembly can save the structure space that antenna is arranged, and can guarantee that again the appearance power of metal shell, reduces the complexity of production technology simultaneously.
Accompanying drawing explanation
Fig. 1 represents the structural representation of antenna assembly in the embodiment of the present invention；
Fig. 2 represents the structural representation of metal shell in the embodiment of the present invention；
Fig. 3 represents the return loss plot of antenna assembly in the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment one,
With reference to shown in Fig. 1, the invention provides a kind of antenna assembly, including metal shell 1, metal shell 1 includes: the first metal portion 11 and the second metal portion 12, wherein, has a gap 2 between the first metal portion 11 and the second metal portion 12；First metal portion 11 and the second metal portion 12 are connected by contiguous block 3 conducting；Antenna feed 4, its one end connects the first metal portion 11；Antenna couples branch 5, and one end is connected with antenna feed 4, and the other end and the second metal portion 12 couple feed connect.
Gap, gap contiguous block specifically, the first metal portion 11 be antenna mainly；Second metal portion 12 is the radiant body of antenna.This first metal portion 11 is as main antenna, and the second metal portion 12, as GPS/WIFI antenna, saves structure space.
With reference to shown in Fig. 2, furthermore, it is understood that metal shell 1 includes metal backing 111, say, that metal shell 1 is made up of one piece of metal backing 111；Or metal shell 1 includes metal backing 111 and is extended the metal side 112 formed by metal backing 111.Metal shell 1 either includes that metal backing 111 still includes the metal side 112 that metal backing 111 and metal backing extend, and can ensure good appearance.
Furthermore, it is understood that be spaced a predeterminable range between antenna feed 4 and contiguous block 3, predeterminable range is more than the width half of metal shell 1, and is less than the width of metal shell 1.Because the arranging position and can significantly impact the resonant frequency of antenna of antenna feed 4, antenna feed 4 is typically placed at the position away from contiguous block 3.It addition, antenna coupling branch 5 can not only be by couple RF energy to the second metal portion 12, it is also possible to produce a high band resonance.
Furthermore, it is understood that contiguous block 3 is the conducting metal block being filled in gap 2.Or contiguous block 3 is the top being arranged on gap 2 along gap 2 width, bridge the first metal portion 11 and conducting metal block in the second metal portion 12.Such as, contiguous block 3 is first metal portion 11 and the second metal portion 12 that bridge by the way of pcb board adds shell fragment or pcb board adds spring probe adapter (pogopin).The non-conductive medium that the inside in gap 2 is filled may is that the non-conducting materials such as plastic cement, glass, pottery.The width in gap 2 is generally higher than 0.3mm.
The antenna assembly of the present invention, including metal shell 1, metal shell 1 is divided into two the first separate metal portion 11 and the second metal portions 12, has a gap 2 between the first metal portion 11 and the second metal portion 12.Contiguous block 3 has been had to connect the first metal portion 11 and the second metal portion 12 due in the middle of gap 2, then same the first metal portion 11 and the second metal portion 12 can be designed that two antennas, one end is main antenna, the other end is GPS/WIFI antenna, need not all dig up the metal of antenna area, maximum saves structure space.Additionally this antenna assembly can guarantee that the appearance power of metal shell, reduces the complexity of production technology simultaneously.
Embodiment two
The invention provides a kind of antenna assembly, including metal shell 1, metal shell 1 includes: the first metal portion 11 and the second metal portion 12, wherein, has a gap 2 between the first metal portion 11 and the second metal portion 12；First metal portion 11 and the second metal portion 12 are connected by contiguous block 3 conducting；Antenna feed 4, its one end connects the first metal portion 11；Antenna couples branch 5, and one end is connected with antenna feed 4, and the other end and the second metal portion 12 connect and carry out couple feed.
This antenna assembly also includes: duplexer 6, and common port and the second metal portion 12 of duplexer 6 connect, and the switch terminal of duplexer 6 is all connected with the first metal portion 11 by an attached handoff leg.On the basis of this antenna assembly is except meeting appearance power, reducing the complexity of production technology simultaneously, duplexer 6 can also make antenna assembly produce wide band tuning effect
Additionally, in the present embodiment, the design that the 11, second metal portion 12 of metal shell the 1, first metal portion, contiguous block 3, gap 2, antenna feed 4 and antenna couple branch 5 is consistent with embodiment 1 with final implementation result, do not repeat them here, important set-up mode introducing duplexer and technique effect at this.
It should be noted that duplexer 6 is mainly used to produce wide band tuning effect.Duplexer 6 and attached handoff leg are typically placed at the position away from contiguous block 3.
It should be noted that mobile link block 3 can also change the resonant frequency in the second metal portion 12 in the position of the junction point in gap 2.Gap is divided into the first gap L being on the left of contiguous block 3 and is in the second gap I on the right side of contiguous block 3 by contiguous block 3.In order to meet the design needs of the resonant frequency on the main ground of antenna, antenna feed 4 is arranged in first the first corresponding for gap L metal portion 11, and antenna feed 4 is not less than 1/3rd of the first gap L length apart from the distance of contiguous block 3.In general, antenna feed 4 is set to 30mm-50mm apart from the distance of contiguous block 3.
Attached handoff leg includes open circuit branch road, short circuit branch, multiple different inductive branch, multiple different capacitive branch or variable capacitor array between duplexer 6 from the second metal portion 12.
Duplexer 6 is single pole multiple throw, its common port is connected to the second metal portion 12, switch terminal is connected to a plurality of attached handoff leg, a plurality of attached handoff leg is connected with the first metal portion 11 again, and a plurality of attached handoff leg M1, M2 and M3 etc. can be open circuit branch road, short circuit branch, inductive branch, capacitive branch or variable capacitor array.Wherein, in each attached handoff leg, inductance and electric capacity need to select suitably value according to frequency range.With reference to shown in Fig. 3, when the switch terminal of duplexer 6 connects different attached handoff leg, the switch terminal of such as duplexer 6 connects open circuit branch road 40,35n inductive branch 60,25n inductive branch 50 or short circuit branch 30 etc., it can be seen that the movement of resonant frequency clearly.
Specifically, when the switch terminal of duplexer 6 connects open circuit branch road 40, the second metal portion 12 will produce the resonance 10 of low frequency, and antenna couples branch 5 and produces the resonance 20 of high frequency.
When duplexer 6 switch terminal connect short circuit branch 30 time, the second metal portion 12 will produce high frequency resonance, couple branch 5 with antenna together with generation high frequency multi-resonant effect, expanding high-frequency bandwidth.
When the switch terminal of duplexer 6 connects 35n inductive branch 60 or 25n inductive branch 50, it is possible to achieve ultra broadband tuning from low to high.It follows that plus after duplexer, this antenna assembly has broadband and the feature of ultra-wide tuning range.
The antenna assembly of the present invention so that use the signal quality of the mobile terminal of metal shell 1 to be guaranteed；Can guarantee that the appearance power of metal shell 1 simultaneously, and reduce the complexity of production technology.It addition, the antenna assembly in the present embodiment uses duplexer 6 to produce wide band tuning effect so that this antenna assembly has broadband and the feature of ultra-wide tuning range.
Present invention also offers a kind of mobile terminal, including antenna assembly as above.Mobile terminal can be mobile phone, PDA, portable computer or similar devices.
This mobile terminal also includes: pcb board, battery, mike, loudspeaker, USB, photographic head, earphone base and/or receiver；Wherein, pcb board and/or battery, it is arranged in the first metal portion 11；Mike, loudspeaker, USB, photographic head, earphone base and/or receiver, be arranged in described second metal portion 12.
Each embodiment in this specification all uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar part sees mutually.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of range of embodiment of the invention.
Finally, it can further be stated that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or terminal unit.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or terminal unit.
Above-described is the preferred embodiment of the present invention; should be understood that for the ordinary person of the art; can also make some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications are the most within the scope of the present invention.
Claims (10)
1. an antenna assembly, including: metal shell, it is characterised in that
Described metal shell includes: the first metal portion and the second metal portion；Wherein, between described first metal portion and the second metal portion, there is a gap；Described first metal portion and described second metal portion are connected by a contiguous block conducting；
Antenna feed, one end is connected with described first metal portion；
Antenna couples branch, and one end is connected with described antenna feed, and the other end is connected with described second metal portion couple feed.
2. antenna assembly as claimed in claim 1, it is characterised in that also include:
Duplexer and a plurality of attached branch road, described duplexer is a single pole multiple throw, and the common port of described duplexer is connected with described second metal portion, and the switch terminal of described duplexer is all connected with described first metal portion by an attached branch road.
3. antenna assembly as claimed in claim 2, it is characterised in that a plurality of described attached handoff leg includes open a way branch road, short circuit branch, inductive branch, capacitive branch or variable capacitor array.
4. antenna assembly as claimed in claim 1, it is characterised in that described metal shell includes metal backing；Or
Described metal shell includes metal backing and is extended the metal side plate formed by described metal backing.
5. antenna assembly as claimed in claim 1, it is characterised in that described contiguous block is the conducting metal block being arranged in described gap；Or
Described contiguous block is the top being arranged on described gap along described gap width direction, and bridges described first metal portion and the conducting metal block in described second metal portion.
6. the antenna assembly as described in claim 1 or 5, it is characterised in that be also filled with non-conductive medium in described gap.
7. the antenna assembly as described in claim 1 or 5, it is characterised in that the width in described gap is more than 0.3mm.
8. antenna assembly as claimed in claim 1, it is characterised in that described gap is divided into the first gap and the second gap by described contiguous block；
Described antenna feed is arranged in the described first metal portion that described first gap is corresponding, and the distance of described antenna feed and described contiguous block is not less than 1/3rd of the length in described first gap.
9. antenna assembly as claimed in claim 1, it is characterised in that described first metal portion be antenna mainly；Described second metal portion is the radiant body of antenna.
10. a mobile terminal, it is characterised in that include antenna assembly as in one of claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870417.8A CN105826653B (en) | 2015-11-30 | 2015-11-30 | A kind of antenna assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870417.8A CN105826653B (en) | 2015-11-30 | 2015-11-30 | A kind of antenna assembly and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105826653A true CN105826653A (en) | 2016-08-03 |
| CN105826653B CN105826653B (en) | 2018-02-23 |
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ID=56514953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510870417.8A Active CN105826653B (en) | 2015-11-30 | 2015-11-30 | A kind of antenna assembly and mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN105826653B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106785457A (en) * | 2016-11-15 | 2017-05-31 | 维沃移动通信有限公司 | A kind of antenna assembly and electronic equipment |
| CN106887675A (en) * | 2017-01-22 | 2017-06-23 | 努比亚技术有限公司 | A kind of mobile terminal based on metal backing |
| CN107230822A (en) * | 2017-05-25 | 2017-10-03 | 努比亚技术有限公司 | Antenna assembly and mobile terminal |
| CN107453024A (en) * | 2017-07-14 | 2017-12-08 | 瑞声声学科技(苏州)有限公司 | Antenna system and communication apparatus |
| CN107732417A (en) * | 2016-08-11 | 2018-02-23 | 北京小米移动软件有限公司 | Terminal device |
| CN107834205A (en) * | 2017-10-31 | 2018-03-23 | 北京小米移动软件有限公司 | Anneta module, electronic equipment and the method for controlling the electronic device works frequency |
| CN108539379A (en) * | 2018-03-27 | 2018-09-14 | 广东欧珀移动通信有限公司 | Antenna system and related product |
| CN108879116A (en) * | 2018-06-25 | 2018-11-23 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN108923118A (en) * | 2018-06-30 | 2018-11-30 | 珠海市魅族科技有限公司 | A kind of antenna and mobile terminal |
| CN109004338A (en) * | 2018-06-20 | 2018-12-14 | 珠海市魅族科技有限公司 | Antenna assembly |
| CN109301477A (en) * | 2017-07-24 | 2019-02-01 | 北京小米移动软件有限公司 | Electronic equipment |
| CN109873887A (en) * | 2016-08-25 | 2019-06-11 | Oppo广东移动通信有限公司 | Mobile terminal, housing unit and its manufacturing method |
| CN109980333A (en) * | 2017-12-27 | 2019-07-05 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN110855813A (en) * | 2016-11-04 | 2020-02-28 | Oppo广东移动通信有限公司 | Conductive cover body of mobile terminal, shell of mobile terminal and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107732417A (en) * | 2016-08-11 | 2018-02-23 | 北京小米移动软件有限公司 | Terminal device |
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| CN106785457A (en) * | 2016-11-15 | 2017-05-31 | 维沃移动通信有限公司 | A kind of antenna assembly and electronic equipment |
| CN106887675A (en) * | 2017-01-22 | 2017-06-23 | 努比亚技术有限公司 | A kind of mobile terminal based on metal backing |
| CN107230822A (en) * | 2017-05-25 | 2017-10-03 | 努比亚技术有限公司 | Antenna assembly and mobile terminal |
| CN107453024B (en) * | 2017-07-14 | 2020-08-04 | 瑞声光电科技（苏州）有限公司 | Antenna system and communication equipment |
| CN107453024A (en) * | 2017-07-14 | 2017-12-08 | 瑞声声学科技(苏州)有限公司 | Antenna system and communication apparatus |
| CN109301477A (en) * | 2017-07-24 | 2019-02-01 | 北京小米移动软件有限公司 | Electronic equipment |
| CN107834205A (en) * | 2017-10-31 | 2018-03-23 | 北京小米移动软件有限公司 | Anneta module, electronic equipment and the method for controlling the electronic device works frequency |
| CN109980333A (en) * | 2017-12-27 | 2019-07-05 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| US10978795B2 (en) | 2017-12-27 | 2021-04-13 | Chiun Mai Communication Systems, Inc. | Antenna structure and wireless communication device using the same |
| CN108539379A (en) * | 2018-03-27 | 2018-09-14 | 广东欧珀移动通信有限公司 | Antenna system and related product |
| CN108539379B (en) * | 2018-03-27 | 2019-08-02 | Oppo广东移动通信有限公司 | Antenna system and Related product |
| CN109004338A (en) * | 2018-06-20 | 2018-12-14 | 珠海市魅族科技有限公司 | Antenna assembly |
| CN108879116A (en) * | 2018-06-25 | 2018-11-23 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN108923118A (en) * | 2018-06-30 | 2018-11-30 | 珠海市魅族科技有限公司 | A kind of antenna and mobile terminal |
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| CN105826653B (en) | 2018-02-23 |
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