CN105870596A - Antenna and mobile terminal - Google Patents
Antenna and mobile terminal Download PDFInfo
- Publication number
- CN105870596A CN105870596A CN201610230103.6A CN201610230103A CN105870596A CN 105870596 A CN105870596 A CN 105870596A CN 201610230103 A CN201610230103 A CN 201610230103A CN 105870596 A CN105870596 A CN 105870596A
- Authority
- CN
- China
- Prior art keywords
- ground wire
- antenna
- time ground
- feed line
- mobile terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
-
- 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
Abstract
The invention relates to the technical field of communication, and discloses an antenna and a mobile terminal. The antenna comprises a feeder line, a radiating part, a first ground wire and a second ground wire; one end of the feeder line is connected with the radiating part while the other end of the feeder line is connected with the feed point of the antenna; one ends of the first ground wire and the second ground wire are both connected with the radiating part while the other ends of the first ground wire and the second ground wire are both connected with the grounding point of the antenna; and the second ground wire is arranged between the feeder line and the first ground wire. According to the technical scheme, an annular antenna is formed by the feeder line, the radiating part and the first ground wire; and the second ground wire is arranged between the feeder line and the first ground wire to adjust the grounding induction of the annular antenna so as to adjust the resonance of the antenna and enlarge the bandwidth of the antenna and to further improve the performance of the antenna.
Description
Technical field
The present invention relates to the technical field of communication, refer more particularly to a kind of antenna and mobile terminal.
Background technology
Along with the handheld terminal such as mobile phone, panel computer becomes increasingly popular, increasing terminal uses outside all-metal
Shell or metal edge frame carry out outward appearance and the texture of improving product.
But what the antenna performance of this product appearance or texture and terminal conditioned each other often, add
The trend that current terminal is the most frivolous so that the design space of antenna becomes more and more less.Such as, right
For the terminal of metal edge frame or full metal jacket, in order to realize its antenna performance, it usually needs to gold
Belong to back cover or metal edge frame cracks, in order to the part metals region after cutting is used as one of antenna
Point, the performance realizing remaining to holding antenna in the case of design space is narrow and small with this.
But the shape working as mobile terminal and the position carrying out cracking on metal back cover or metal edge frame determine
After, the size of antenna determines substantially, antenna arrangement limited space, now by antenna of the prior art
The adjustment of match bit is more difficult meets the mobile terminal requirement to antenna performance.
Summary of the invention
The invention provides a kind of antenna and mobile terminal, in order to improve the performance of antenna, and then improve mobile
The communication efficiency of terminal.
The invention provides a kind of antenna, this antenna includes: feed line, radiation component, first time ground wire and the
Two times ground wires, described feed line one end is connected with described radiation component, and the other end connects with the distributing point of described antenna
Connect；
Described first time ground wire and described second time ground wire one end are all connected with described radiation component, the other end all with
The earth point of described antenna connects, and described second time ground wire is arranged on described feed line and described first go back to ground
Between line.
In technique scheme, by using feed line, radiation component and first time ground wire to form loop aerial,
And return ground electricity by arrange between feed line and first time ground wire that second time ground wire adjust loop aerial
Sense, thus regulate the resonance of antenna and expand the bandwidth of antenna, and then improve the performance of antenna, with existing
Technology is compared, and after the overall dimensions of mobile terminal and position of cracking determine, the present invention can be by second time
Ground wire effectively improves the performance of antenna, thus improves the communication efficiency of mobile terminal.
Preferably, in described feed line, first time ground wire and second time ground wire, at least one is provided with for adjusting
Save the minor matters structure of described antenna high-frequency resonant.
Preferably, described radiation component is metal edge frame or the metal back cover of described mobile terminal.Convenient antenna exists
Arrange in mobile terminal.
Preferably, described distributing point and described earth point are positioned at the mainboard of described mobile terminal.Facilitate first time
Ground wire and the grounding connection of second time ground wire.
Preferably, in described feed line, first time ground wire and second time ground wire, at least one connect have for
Regulate the loading device of described loop aerial parameter.The performance of antenna is improved by the device that loads arranged.
Selectable, described loading device is inductively or capacitively.All can realize adjusting by electric capacity and inductance
Time ground inductance value of antenna, thus regulate the resonance of antenna and expand the bandwidth of antenna, and then improve antenna
Performance.
Selectable, the shape of described feed line, first time ground wire and second time ground wire can be all straight line,
Broken line or curved line.By actual demand, feed line, first time ground wire and second time ground wire can be set
It is set to different shapes.
Selectable, described feed line, first time ground wire and second time ground wire be printed circuit board microstrip line or
Flexible PCB.
Preferably, described feed line, first time ground wire and second time ground wire are respectively by shell fragment, bolt or spiral shell
Nail is connected with described radiation component.
Present invention also offers a kind of mobile terminal, this mobile terminal includes housing, arranges on the housing
Circuit board and any of the above-described item described in antenna.
In technique scheme, by using feed line, radiation component and first time ground wire to form loop aerial,
And return ground electricity by arrange between feed line and first time ground wire that second time ground wire adjust loop aerial
Sense, thus regulate the resonance of antenna and expand the bandwidth of antenna, and then improve the performance of antenna, with existing
Technology is compared, and after the overall dimensions of mobile terminal and position of cracking determine, the present invention can be by second time
Ground wire effectively improves the performance of antenna, thus improves the communication efficiency of mobile terminal.
Accompanying drawing explanation
The structural representation of the antenna that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the another kind of antenna that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the another kind of antenna that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the another kind of antenna that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the another kind of antenna that Fig. 5 provides for the embodiment of the present invention.
Reference:
1-metal edge frame 2-feed line 21-second loads device
Second time ground wire 31-of 22-minor matters structure 3-first loads device
First time ground wire 41-of 32-minor matters structure 4-first loads device
5-cracks 6-distributing point 7-mainboard 71-the first earth point
72-the second earth point
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains the present invention, is not limited to the present invention.
As it is shown in figure 1, Fig. 1 shows the structural representation of a kind of antenna that the embodiment of the present invention provides.
Embodiments providing a kind of antenna, this antenna includes: feed line 2, radiation component, first time
Ground wire 4 and second time ground wire 3, described feed line 2 one end is connected with described radiation component, and the other end is with described
The distributing point of antenna connects；
Described first time ground wire 4 and described second time ground wire 3 one end are all connected with described radiation component, the other end
All earth points with described antenna are connected, and described second time ground wire 3 is arranged on described feed line 2 and described
Between first time ground wire 4.
In the above-described embodiments, by using feed line 2, radiation component and first time ground wire 4 to form annular sky
Line, and adjust loop aerial by arranging second time ground wire 3 between feed line 2 and first time ground wire 4
Return ground inductance, thus regulate the resonance of antenna and expand the bandwidth of antenna, and then improve the performance of antenna,
Compared with prior art, after the overall dimensions of mobile terminal and position of cracking determine, the present embodiment can lead to
Cross second time ground wire 3 and effectively improve the performance of antenna, thus improve the communication efficiency of mobile terminal.
The structure and working principle of the antenna to facilitate understanding of the present embodiment of the invention provided, below in conjunction with the accompanying drawings
And it is described in detail by specific embodiment.
The present embodiment provide antenna be the antenna structure on mobile terminal, this mobile terminal can be mobile phone,
Dress the mobile terminal that communication equipment, panel computer etc. are common.And in above-mentioned mobile terminal, it is respectively provided with metal
Frame 1 and mainboard 7.Wherein, the distributing point of antenna and earth point are positioned on the mainboard 7 of mobile terminal,
Thus facilitate the connection of antenna.
Crack 5 as it is shown in figure 1, be provided with on this metal edge frame 1, and carried out the metal edge frame after cracking
1 as the radiation component in the antenna in antenna structure the present embodiment.Concrete, this antenna also includes: feed
2, first time ground wire 4 of line and second time ground wire 3, with continued reference to Fig. 1, as seen from Figure 1, feed line
The two ends of 2 connect the distributing point 6 on mainboard 7 and metal edge frame 1 respectively.First time ground wire 4 and second time
One end of ground wire 3 is connected with metal edge frame 1 respectively, and the other end is connected with the ground of mobile terminal respectively, at tool
When first time ground wire 4 of body and second time ground wire 3 are connected with the ground of mobile terminal, it can use first time
Ground wire 4 and second time ground wire 3 are connected with the ground on mainboard 7 respectively, as it is shown in figure 1, arrange on mainboard 7
First earth point 71 and the second earth point 72, first time ground wire 4 is connected with the first earth point 71, and second
Return ground wire 3 and the second earth point 72 connects.It should be appreciated that the first earth point 71 and the second earth point
72 all with the mainboard of mobile terminal altogether.In one embodiment, when mobile terminal uses metal back cover,
Now metal back cover is whole with mobile respectively as the ground of mobile terminal, first time ground wire 4 and second time ground wire 3
The back cover of end connects.
Additionally, be connected with metal edge frame 1 respectively at 2, first time ground wire 4 of feed line and second time ground wire 3
Time can select different connected modes, concrete, 2, first time ground wire 4 of feed line and second time ground wire
3 are connected with radiation component by shell fragment, bolt or screw respectively, when radiation component is metal edge frame 1, and first
Return ground wire 4 and second time ground wire 3 is connected with metal edge frame 1 by shell fragment, bolt or screw respectively.I.e. exist
When specifically connecting, 4, second go back to ground of 2, first go back to ground wire of feed line can be realized by different connectors
The connection of line 3 and metal edge frame 1, but it should be noted that the connector selected it should be guaranteed that feed line 2,
The first time ground wire stability that 4, second time ground wire 3 electrically connects with metal edge frame 1.
In the above-described embodiments, second time ground wire 3 when arranging, second time ground wire 3 and metal edge frame 1
Junction point is between first time ground wire 4 and the junction point of feed line 2 and metal edge frame 1.Increased by adjustment
If second time ground wire 3 length so that antenna adjust in use loop aerial return ground inductance, from
And regulate the resonance of antenna and expand the bandwidth of antenna, and then improve the performance of antenna.When specifically arranging,
Second time ground wire 3 loop aerial that position can adjust according to the actual needs is set return the big of ground inductance
Little adjustment, in a specific embodiment, it is also preferred that the left second time ground wire 3 and the company of metal edge frame 1
Contact be positioned at first time ground wire 4 and feed line 2 respectively with centre position or the centre of metal edge frame 1 junction point
Near position.
As in figure 2 it is shown, in described feed line, first time ground wire and second time ground wire, at least one connection has
For regulating the loading device of described antenna parameter, feed line, first time ground wire and second time ground wire all can connect
Connect a loading device and be followed by ground.When specifically arranging, in first time ground wire 4 and second time ground wire 3, at least
One connection has the resonance for regulating loop aerial and expands the first loading device of bandwidth of loop aerial.
When specifically arranging, can use and the first loading device 41 is individually set on first time ground wire 4, or single
First loading device 31 is solely set on second time ground wire 3, or uses first time ground wire 4, second time
It is respectively provided with the first loading device on ground wire 3, or is provided with on feed line 2 for adjusting described loop aerial
Second loading device 21 of parameter.Wherein, this first loading device is used for improving time ground inductance value of antenna,
Thus realize regulating the purpose of the bandwidth of the resonance of loop aerial and expansion loop aerial.A concrete reality
Executing in mode, this first loading device is inductively or capacitively, concrete, carries out as a example by first time ground wire 4
Illustrate, when first time ground wire 4 is long, when time ground inductance value is excessive, can drop by loading an electric capacity
Low time ground inductance value, or when returning ground inductance value and being too small, antenna can be improved by increasing an inductance
Return ground inductance value, by arrange electric capacity and inductance can effectively improve antenna return ground inductance value and then
The resonance realizing regulation loop aerial and the purpose of the bandwidth expanding loop aerial, thus improve the property of antenna
Energy.
In one embodiment, first time ground wire connects ground connection after an inductance, at feed line and the
It is not connected on two times ground wires load device.
Additionally, this second loading device 21 is for improving the parameter of antenna, this antenna parameter specifically includes humorous
Shake, bandwidth and Smith chart etc., can effectively improve antenna by the second loading device 21 arranged
Parameter, and then ensure that the performance of antenna meets the requirement of mobile terminal.
In the present embodiment, in order to further improve the performance of antenna, it is also preferred that the left feed line 2, first
Return in ground wire 4 and second time ground wire 3 that at least one is provided with the minor matters for regulating loop aerial high-frequency resonant
Structure, this minor matters structure is equivalent to add the resonance of an antenna.By on 2, first time ground of feed line
Minor matters structure is set at least one in line 4 and second time ground wire 3 to regulate the high-frequency resonant of antenna
Can, such that it is able to effectively improve the performance of antenna.When using said structure, i.e. can use only in feedback
On in electric wire 4, second time ground wire 3 of 2, first time ground wire one, minor matters structure is set, as it is shown on figure 3,
Feed line 2 arranges minor matters structure 22；Or use 2, first time ground wire 4 of feed line and second time
Minor matters structure is set on two in ground wire 3, as shown in Figure 4, on feed line 2 and second time ground wire 3
It is respectively provided with minor matters structure 22,32；Or on 2, first time ground wire 4 of feed line and second time ground wire 3
It is respectively provided with minor matters structure.Said structure can be configured according to practical situation.It should be appreciated that this branch
The shape of nodule structure is not limited only to the linear structure shown in Fig. 2, it is also possible to use other such as broken line, arc
The modes such as line, concrete can select according to actual demand.
In above-mentioned enforcement, the shape of feed line 4, second time ground wire 3 of 2, first time ground wire can select
Different shapes, can select, such as according to actual situation: 2, first time ground wire 4 of feed line and
The shape of second time ground wire 3 can be all straight line, broken line or curved line.Can in the lump with reference to Fig. 1 and Fig. 5,
By in Fig. 1 it can be seen that feed line 4, second time ground wire 3 of 2, first time ground wire all uses straight line, and
In Figure 5, first time ground wire 4 and the meander line structure of second time ground wire 3 selection.Certainly the present embodiment carries
The feed line of confession 4, second time ground wire 3 of 2, first time ground wire can also use wave or special-shaped line etc.
Different shapes.
Additionally, in the above-described embodiments, feed line 3, second time ground wire 3 of 2, second time ground wire is in preparation
Time, different lines can be used, in a specific embodiment, 2, first time ground wire 4 of feed line and
Second time ground wire 3 is printed circuit board microstrip line or flexible PCB, has good turn-on effect.
The embodiment of the present invention additionally provides a kind of mobile terminal, and this mobile terminal includes housing, is arranged on housing
On circuit board and the antenna of any of the above-described.
In the above-described embodiments, by using feed line 2, radiation component and first time ground wire 4 to form annular sky
Line, and adjust loop aerial by arranging second time ground wire 3 between feed line 2 and first time ground wire 4
Return ground inductance, thus regulate the resonance of antenna and expand the bandwidth of antenna, and then improve the performance of antenna,
Compared with prior art, after the overall dimensions of mobile terminal and position of cracking determine, the present embodiment can lead to
Cross second time ground wire 3 and effectively improve the performance of antenna, thus improve the communication efficiency of mobile terminal.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an antenna, it is characterised in that including: feed line, radiation component, first time ground wire and second
Returning ground wire, described feed line one end is connected with described radiation component, and the other end is connected with the distributing point of described antenna；
Described first time ground wire and described second time ground wire one end are all connected with described radiation component, the other end all with
The earth point of described antenna connects, and described second time ground wire is arranged on described feed line and described first go back to ground
Between line.
2. antenna as claimed in claim 1, it is characterised in that described feed line, first time ground wire and
In second time ground wire, at least one is provided with the minor matters structure for regulating described antenna high-frequency resonant.
3. antenna as claimed in claim 1, it is characterised in that described radiation component is described mobile terminal
Metal edge frame or metal back cover.
4. antenna as claimed in claim 1, it is characterised in that described distributing point and described earth point position
Mainboard in described mobile terminal.
5. antenna as claimed in claim 1, it is characterised in that described feed line, first time ground wire and
In second time ground wire, at least one connection has the loading device for regulating described antenna parameter.
6. antenna as claimed in claim 5, it is characterised in that described loading device is inductively or capacitively.
7. the antenna as described in any one of claim 1～6, it is characterised in that described feed line, first
The shape returning ground wire and second time ground wire can be all straight line, broken line or curved line.
8. antenna as claimed in claim 7, it is characterised in that described feed line, first time ground wire and
Second time ground wire is printed circuit board microstrip line or flexible PCB.
9. antenna as claimed in claim 7, it is characterised in that described feed line, first time ground wire and
Second time ground wire is connected with described radiation component by shell fragment, bolt or screw respectively.
10. a mobile terminal, it is characterised in that include housing, arranges circuit board on the housing
And the antenna as described in any one of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230103.6A CN105870596A (en) | 2016-04-13 | 2016-04-13 | Antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230103.6A CN105870596A (en) | 2016-04-13 | 2016-04-13 | Antenna and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105870596A true CN105870596A (en) | 2016-08-17 |
Family
ID=56637461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610230103.6A Pending CN105870596A (en) | 2016-04-13 | 2016-04-13 | Antenna and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105870596A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816711A (en) * | 2016-12-09 | 2017-06-09 | 努比亚技术有限公司 | A kind of antenna and terminal |
| CN107359401A (en) * | 2017-06-29 | 2017-11-17 | 北京小米移动软件有限公司 | Antenna circuit, radiation production method and device |
| CN107768806A (en) * | 2016-08-15 | 2018-03-06 | 北京小米移动软件有限公司 | Antenna module |
| WO2018053751A1 (en) * | 2016-09-22 | 2018-03-29 | 华为技术有限公司 | Wearable device antenna and wearable device |
| CN111029733A (en) * | 2018-10-09 | 2020-04-17 | 深圳富泰宏精密工业有限公司 | Antenna structure and electronic device with same |
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| CN204333256U (en) * | 2014-12-10 | 2015-05-13 | 深圳市信维通信股份有限公司 | There is the LTE carrier aggregation antenna of full metal jacket portable set |
| US20150155627A1 (en) * | 2013-12-04 | 2015-06-04 | Acer Incorporated | Communication device and antenna element therein |
| CN105305067A (en) * | 2015-10-29 | 2016-02-03 | 维沃移动通信有限公司 | Antenna system and mobile terminal |
| CN205583159U (en) * | 2016-04-21 | 2016-09-14 | 国家电网公司 | Cable centesis ware |
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| CN103346383A (en) * | 2013-06-28 | 2013-10-09 | 华为终端有限公司 | Annular antenna module and electronic device with annular antenna module |
| US20150155627A1 (en) * | 2013-12-04 | 2015-06-04 | Acer Incorporated | Communication device and antenna element therein |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768806A (en) * | 2016-08-15 | 2018-03-06 | 北京小米移动软件有限公司 | Antenna module |
| WO2018053751A1 (en) * | 2016-09-22 | 2018-03-29 | 华为技术有限公司 | Wearable device antenna and wearable device |
| CN106816711A (en) * | 2016-12-09 | 2017-06-09 | 努比亚技术有限公司 | A kind of antenna and terminal |
| CN106816711B (en) * | 2016-12-09 | 2020-07-14 | 努比亚技术有限公司 | Antenna and terminal |
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| CN107359401B (en) * | 2017-06-29 | 2020-09-08 | 北京小米移动软件有限公司 | Antenna circuit, radiation generating method and device |
| CN111029733A (en) * | 2018-10-09 | 2020-04-17 | 深圳富泰宏精密工业有限公司 | Antenna structure and electronic device with same |
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