CN107257022A - A kind of terminal multi-antenna structure and mobile terminal - Google Patents
A kind of terminal multi-antenna structure and mobile terminal Download PDFInfo
- Publication number
- CN107257022A CN107257022A CN201710401380.3A CN201710401380A CN107257022A CN 107257022 A CN107257022 A CN 107257022A CN 201710401380 A CN201710401380 A CN 201710401380A CN 107257022 A CN107257022 A CN 107257022A
- Authority
- CN
- China
- Prior art keywords
- antenna
- breaking joint
- spacer
- antenna structure
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
Abstract
The invention provides a kind of terminal multi-antenna structure and mobile terminal, it is related to electronic technology field, the problem of solving the isolation difference between the multiple antennas of mobile terminal in the prior art.The terminal multi-antenna structure includes：At least one breaking joint is provided with metal portion, the metal portion, the metal structure of the breaking joint both sides is respectively corresponding to a few antenna arm；The spacer for isolating both sides antenna arm is provided with the breaking joint, the spacer is conductive, and the spacer selects grid grounding by predeterminated frequency.The solution of the present invention reduces the mutual coupling between the multiple antennas of breaking joint both sides, improves the isolation between multiple antennas, optimizes antenna performance, and improve the free degree of antenna performance debugging.And can often reduce the disconnection width of the increased breaking joint of need, it is ensured that and appearance, preferable integral product competitiveness and Consumer's Experience can be possessed.
Description
Technical field
The present invention relates to electronic technology field, and more particularly, to a kind of terminal multi-antenna structure and mobile terminal.
Background technology
As shown in figure 1, under conventional design, using metal or conductive component as the mobile terminal of the high accounting of shell, it is moved
Often a breaking joint 100 corresponds to one group of (two or more) antenna arm 200 in the antenna structure of terminal, if when the side of breaking joint is used
When making the radiation tail end of antenna, its electric-field intensity is general relatively strong, therefore is easier to the antenna of the opposite side coupled to breaking joint, and causes
Isolation deterioration between multiple antennas.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of antenna structure and mobile terminal, to solve to move in the prior art
The problem of isolation between the multiple antennas of dynamic terminal is poor.
First aspect there is provided a kind of terminal multi-antenna structure, including：
At least one breaking joint is provided with metal portion, the metal portion, the metal structure of the breaking joint both sides is corresponded to respectively
At least one antenna arm；
The spacer for isolating both sides antenna arm is provided with the breaking joint, the spacer is conductive, and institute
State spacer and grid grounding is selected by predeterminated frequency.
Second aspect there is provided a kind of mobile terminal, including：Terminal multi-antenna structure as described above.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
The terminal multi-antenna structure of the embodiment of the present invention, with a metal portion for forming antenna, is provided with the metal portion
At least one breaking joint, the metal structure of breaking joint both sides is respectively corresponding to a few antenna arm；It is provided with breaking joint for isolating two
At least one spacer of side antenna arm, spacer is conductive, and spacer selects grid grounding by predeterminated frequency.This
Sample, by adding spacer in the breaking joint between antenna, reduces the mutual coupling between the multiple antennas of breaking joint both sides, improves many days
Isolation between line, optimizes antenna performance.And spacer selects grid grounding by predeterminated frequency, makes spacer to breaking joint two
The antenna of side can have a different impedance responses, lifted while isolation, improved multiple antennas antenna performance debugging from
By spending.And can often reduce the disconnection width of the increased breaking joint of need, it is ensured that and appearance, preferable integral product can be possessed competing
Strive power and Consumer's Experience.The problem of solving the isolation difference between the multiple antennas of mobile terminal in the prior art.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the schematic diagram of existing terminal multi-antenna structure；
Fig. 2 is the schematic diagram of terminal multi-antenna structure of the present invention；
Fig. 3 is the schematic diagram that terminal multi-antenna structure one of the present invention is implemented.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In some embodiments of the invention, there is provided a kind of terminal multi-antenna structure shown in reference picture 2,3, including：
At least one breaking joint 11, the metal structure point of the both sides of breaking joint 11 are provided with metal portion 1, the metal portion 1
At least one antenna arm 12 is not corresponded to；
The spacer 2 for isolating both sides antenna arm 12 is provided with the breaking joint 11, the spacer 2 has conduction
Property, and the spacer 2 selects network 3 to be grounded by predeterminated frequency.
Here, spacer 2 selects network 3 to be grounded by predeterminated frequency, spacer 2 is had not the antenna of breaking joint both sides
Same impedance response, lifts the free degree while isolation, improving antenna performance debugging multiple antennas.
Wherein, spacer 2 is to be inserted in absolute construction in breaking joint, and spacer 2 can be made of metal material (but not to be limited
In this).
Wherein, it can be respectively arranged to isolate the spacer 2 of both sides antenna arm 12 in each breaking joint 11.
Specifically, the metal portion 1 can be golden for the inside of metal frame, becket, metal shell or non-metallic material profile
Belong to profile, also can be non-metallic material profile and the multi-antenna structure in profile.Wherein, can be by gold when using metal shell
Category housing laterally hollows out a part, is divided into antenna field and main, antenna field is longitudinally set as above-mentioned metal portion 1, and in antenna field
Breaking joint 11 is put, at least two antenna arms 12 are broken into.
The terminal multi-antenna structure of the embodiment of the present invention, by adding spacer 2 in the breaking joint 11 between antenna, is reduced
Mutual coupling between the multiple antennas of the both sides of breaking joint 11, improves the isolation between multiple antennas, optimizes antenna performance.And spacer 2
Select network 3 to be grounded by predeterminated frequency, spacer 2 there are different impedance responses to the antenna of the both sides of breaking joint 11, lifted
The free degree while isolation, improving antenna performance debugging multiple antennas.And can often reduce the increased breaking joint 11 of need
Disconnection width, it is ensured that appearance, preferable integral product competitiveness and Consumer's Experience can be possessed.Solve prior art
The problem of isolation between the multiple antennas of middle mobile terminal is poor.
For example, select the different impedance response of Antenna Design of the network 3 to the both sides of breaking joint 11 by predeterminated frequency, can make every
It, close to short-circuit condition, and is close to open-circuit condition, so as to breaking joint to opposite side antenna to be to breaking joint 11 certain side antenna from piece 2
The antenna of 11 both sides can have different responses and influence, therefore have the higher antenna performance debugging free degree.
Wherein, based on different impedance responses are deliberately designed to the both sides antenna of breaking joint 11, the position that can carry out spacer 2 is excellent
Change, i.e., spacer 2 can be arranged in breaking joint 11 in a centered manner, can not also mode placed in the middle be arranged in breaking joint 11, from
And reach more preferably antenna performance.
Particularly, when short-circuit (ground connection) state is presented to certain side antenna in spacer 2, spacer 2 can be adjusted deviation
This side antenna, i.e., it is close to the antenna that open-circuit condition is presented in opposite side, it is linear to the side day because short-circuit condition is presented to reduce
The influence of energy.And this method can often reduce the demand that increase breaking joint 11 disconnects width, it is ensured that appearance, and there is preferably antenna
Performance.
Further, the metal portion 1 can be for the metal center of terminal top or bottom (but not limited to).Wherein,
The antenna arm 12 can be grounded by feed 5.Feed 5 refers generally to the position that feeder line is connected at antenna, and feeder line refers generally to radio frequency
Front end is connected to the transmission line of antenna.
As a kind of optional implementation, shown in reference picture 3, it is gold to set the metal portion 1 of antenna arm 12 and breaking joint 11
Belong at the top of center or bottom.Two breaking joints 11 are set by arch in a metal or bottom, metal center is broken into three
Metal structure between metal structure, two of which breaking joint 11 is divided into two antenna arms 12, another two metal structure by ground connection
Respectively as an antenna arm 12, so that at the top of metal center or bottom is broken into four antenna arms 12, each antenna arm 12
It is grounded by feed.
Wherein, a spacer 2 is provided with breaking joint 11, spacer 2 is the absolute construction being inserted in breaking joint 11.Isolation
Piece 2 selects network 3 to be grounded by predeterminated frequency.Wherein, predeterminated frequency selection network 3 and feed 5 are arranged at metal center and end
Between the main ground 4 of terminal circuit.
Now, spacer 2 selects network 3 to be grounded by predeterminated frequency so that spacer 2 can to the antenna of the both sides of breaking joint 11
There are different impedance responses, to improve the free degree of antenna performance debugging.
Wherein, spacer 2 can be arranged in breaking joint 11 in placed in the middle or mode not placed in the middle, so as to reach more preferably antenna
Performance.
Now, by adding spacer 2 in the breaking joint 11 between antenna, reduce mutual between the multiple antennas of the both sides of breaking joint 11
Coupling, improves the isolation between multiple antennas, optimizes antenna performance.And can often reduce needs the disconnection of increased breaking joint 11 wide
Degree, it is ensured that appearance, can possess preferable integral product competitiveness and Consumer's Experience.And make spacer 2 to 11 liang of breaking joint
The antenna of side can have different impedance responses, improve the free degree of antenna performance debugging.
Wherein, the predeterminated frequency selection network 3 sayed herein can be in electric capacity, inductance, magnetic bead, resistance and wave filter
It is one or more, combined by way of series connection and/or parallel connection.And predeterminated frequency selection network 3 selects for adjustable frequency
Select network or fixed (i.e. non-dimmable) frequency selective network.It can specifically be set according to the actual requirements.
Wherein, predeterminated frequency selection network 3 can be Binding experiment data, acquisition meet demand there is specific frequency
The network of selection function.
Wherein, adjustable frequency selective network is the frequency selective network of Parameter adjustable, and fixed frequency selective network is
The nonadjustable frequency selective network of parameter.
Wherein, have already mentioned above, the spacer 2 can be arranged at the breaking joint 11 in placed in the middle or mode not placed in the middle
In, further to optimize antenna performance.
In addition, in order to avoid unnecessary resonance, and ensure preferable isolation effect, optionally, the spacer 2 is grounded
The length in path is less than the length of the most short antenna arm 12 of the both sides of breaking joint 11.
Now, it is to avoid unnecessary resonance, and it ensure that preferable isolation effect.
In addition, in order to ensure more preferable appearance, optionally, the width of the breaking joint 11 is less than or equal to 100 millimeters；
The gross thickness of all spacers 2 in the breaking joint 11 is less than or equal to 50 millimeters.
Now, on the premise of preferably isolation is ensured, it is ensured that more preferable appearance.
In addition, the area of section of spacer 2 is small than the area of section of the metal structure of the both sides of breaking joint 11, so as to spacer
2 encased by the nonmetallic materials in breaking joint 11 it is not exposed.
In addition, all conductive structures sayed herein, such as spacer, can be made of metal material (but be not limited to
This).
To sum up, the terminal multi-antenna structure of the embodiment of the present invention, it is using relatively easy, ripe, consolidate, and low cost is set
Implementation is counted, the mutual coupling between the multiple antennas of the both sides of breaking joint 11 is reduced, improves the isolation between multiple antennas, optimize day
Linear energy.And cause above-mentioned spacer 2, select networking etc. to be connected to ground again by adjustable or fixed frequency, design to disconnected
The antenna for stitching 11 both sides produces different impedance load environment, using as to the both sides antenna of breaking joint 11 (especially to frequency or work
The close multiple antennas of frequency) isolation spacer 2, and reduce the mutual coupling between the multiple antennas of 11 liang of breaking joint survey and isolate with raising
Degree, and make it that antenna performance is lifted.And by further adjusting position of the spacer 2 in breaking joint 11, can suboptimization again
Antenna performance.And the present invention can often have larger chance substantially increase outward appearance breaking joint 11 is not disconnected under width, arrival is preferable
Multiple antennas performance, therefore preferable integral product competitiveness and Consumer's Experience can be possessed.
It should be noted that spirit of the present invention be intended to multiple antennas (be not limited at the breaking joint on becket and metal-back, as long as
To be applicable between multiple antennas, i.e., also can be used for is the multi-antenna structure in non-metallic material profile and profile) between insert it is above-mentioned every
From piece 2, and via (adjustable or fixed) inductance/capacitance/magnetic bead/resistance/wave filter or its series/parallel mix and match
Into frequency selection networking etc. be connected to ground, using the spacer 2 as isolation between multiple antennas, to reach that preferable integral product is competing
Power and Consumer's Experience are striven, therefore protection domain includes but is not only limited to embodiment set forth above and the planform in it, shape
Formula, size, position and number etc..
In some embodiments of the invention, a kind of mobile terminal is additionally provided, including：As described in above-mentioned embodiment
Terminal multi-antenna structure.
Wherein, the described of above-mentioned terminal multi-antenna structure realizes embodiment suitable for the embodiment of the mobile terminal,
Also identical technique effect can be reached.
The mobile terminal of the present invention such as can be machine, tablet personal computer, personal digital assistant (Personal Digital
Assistant, PDA) or vehicle-mounted computer etc..
In the description of the invention, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ",
The orientation of instruction such as " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or two
More than.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of terminal multi-antenna structure, it is characterised in that including：
At least one breaking joint is provided with metal portion, the metal portion, the metal structure of the breaking joint both sides is respectively corresponding to less
One antenna arm；
The spacer for isolating both sides antenna arm is provided with the breaking joint, the spacer is conductive, and it is described every
Grid grounding is selected by predeterminated frequency from piece.
2. terminal multi-antenna structure according to claim 1, it is characterised in that the predeterminated frequency selects network by electricity
One or more of appearance, inductance, magnetic bead, resistance and wave filter, are combined by way of series connection and/or parallel connection.
3. terminal multi-antenna structure according to claim 1, it is characterised in that the predeterminated frequency selection network is adjustable
Formula frequency selective network or fixed frequency selective network.
4. terminal multi-antenna structure according to claim 1, it is characterised in that the metal portion be metal frame, becket,
The interior metal profile of metal shell or non-metallic material profile.
5. terminal multi-antenna structure according to claim 4, it is characterised in that the metal portion is the metal center of terminal
Top or bottom.
6. terminal multi-antenna structure according to claim 1, it is characterised in that the antenna arm is grounded by feed.
7. terminal multi-antenna structure according to claim 1, it is characterised in that the spacer uses metal material system
Into.
8. terminal multi-antenna structure according to claim 1, it is characterised in that the length of the spacer grounding path is small
In the length of the most short antenna arm of breaking joint both sides.
9. terminal multi-antenna structure according to claim 1, it is characterised in that the width of the breaking joint is less than or equal to
100 millimeters；The gross thickness of all spacers in the breaking joint is less than or equal to 50 millimeters.
10. a kind of mobile terminal, it is characterised in that including：Terminal multiple antennas knot as claimed in any one of claims 1-9 wherein
Structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401380.3A CN107257022B (en) | 2017-05-31 | 2017-05-31 | A kind of terminal multi-antenna structure and mobile terminal |
| PCT/CN2018/084251 WO2018219070A1 (en) | 2017-05-31 | 2018-04-24 | Terminal multi-antenna structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401380.3A CN107257022B (en) | 2017-05-31 | 2017-05-31 | A kind of terminal multi-antenna structure and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107257022A true CN107257022A (en) | 2017-10-17 |
| CN107257022B CN107257022B (en) | 2019-11-15 |
Family
ID=60027753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710401380.3A Active CN107257022B (en) | 2017-05-31 | 2017-05-31 | A kind of terminal multi-antenna structure and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107257022B (en) |
| WO (1) | WO2018219070A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018176948A1 (en) * | 2017-03-28 | 2018-10-04 | 维沃移动通信有限公司 | Mobile terminal antenna and mobile terminal |
| WO2018219112A1 (en) * | 2017-05-31 | 2018-12-06 | 维沃移动通信有限公司 | Terminal multi-antenna structure and mobile terminal |
| WO2018219070A1 (en) * | 2017-05-31 | 2018-12-06 | 维沃移动通信有限公司 | Terminal multi-antenna structure and mobile terminal |
| WO2020133830A1 (en) * | 2018-12-28 | 2020-07-02 | 深圳市泰衡诺科技有限公司 | Antenna structure and mobile terminal |
| WO2021147666A1 (en) * | 2020-01-21 | 2021-07-29 | 荣耀终端有限公司 | Antenna and terminal device |
Families Citing this family (2)
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|---|---|---|---|---|
| EP4016726A1 (en) * | 2020-12-18 | 2022-06-22 | INTEL Corporation | Integrated combo slot antennas in full metal chassis and isolation improvement technique |
| US20210111486A1 (en) * | 2020-12-21 | 2021-04-15 | Intel Corporation | Antenna assembly with isolation network |
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| CN103682625B (en) * | 2012-09-18 | 2018-03-27 | 中兴通讯股份有限公司 | A kind of multi-input/output antenna and mobile terminal |
| CN104218317A (en) * | 2013-06-03 | 2014-12-17 | 中兴通讯股份有限公司 | Printed circuit board and wireless terminal adopting multiple-input multiple-output antenna technology |
| CN103401061B (en) * | 2013-08-08 | 2015-04-15 | 电子科技大学 | Six frequency band smart phone MIMO (Multiple Input Multiple Output) antenna |
| CN107257022B (en) * | 2017-05-31 | 2019-11-15 | 维沃移动通信有限公司 | A kind of terminal multi-antenna structure and mobile terminal |
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2018
- 2018-04-24 WO PCT/CN2018/084251 patent/WO2018219070A1/en active Application Filing
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| US20030193437A1 (en) * | 2002-04-11 | 2003-10-16 | Nokia Corporation | Method and system for improving isolation in radio-frequency antennas |
| CN104810617A (en) * | 2014-01-24 | 2015-07-29 | 中兴通讯股份有限公司 | Antenna unit and terminal |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018176948A1 (en) * | 2017-03-28 | 2018-10-04 | 维沃移动通信有限公司 | Mobile terminal antenna and mobile terminal |
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| WO2018219112A1 (en) * | 2017-05-31 | 2018-12-06 | 维沃移动通信有限公司 | Terminal multi-antenna structure and mobile terminal |
| WO2018219070A1 (en) * | 2017-05-31 | 2018-12-06 | 维沃移动通信有限公司 | Terminal multi-antenna structure and mobile terminal |
| WO2020133830A1 (en) * | 2018-12-28 | 2020-07-02 | 深圳市泰衡诺科技有限公司 | Antenna structure and mobile terminal |
| WO2021147666A1 (en) * | 2020-01-21 | 2021-07-29 | 荣耀终端有限公司 | Antenna and terminal device |
| CN113224503A (en) * | 2020-01-21 | 2021-08-06 | 荣耀终端有限公司 | Antenna and terminal equipment |
| CN113224503B (en) * | 2020-01-21 | 2023-08-04 | 荣耀终端有限公司 | Antenna and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107257022B (en) | 2019-11-15 |
| WO2018219070A1 (en) | 2018-12-06 |
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