CN205828653U - Optimize isolated antennas structure - Google Patents
Optimize isolated antennas structure Download PDFInfo
- Publication number
- CN205828653U CN205828653U CN201620706199.4U CN201620706199U CN205828653U CN 205828653 U CN205828653 U CN 205828653U CN 201620706199 U CN201620706199 U CN 201620706199U CN 205828653 U CN205828653 U CN 205828653U
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- China
- Prior art keywords
- antenna
- edge frame
- metal edge
- line
- distributing point
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Abstract
The utility model discloses a kind of optimization isolated antennas structure, including antenna, described antenna includes unipole antenna and PIFA antenna, described unipole antenna includes the first distributing point, the first short dot and first antenna body, described PIFA antenna includes the second distributing point, the second short dot and the second antenna body, the radiant body of described unipole antenna uses 1/2nd wavelength of 1800MHz, the radiant body of described PIFA antenna uses the quarter-wave of 1575MHz, so that the radio-frequency current between described first antenna body and the front end of the second antenna body is zero.Two kinds of antenna structures of multi-form of the present utility model, and use the unipole antenna of 1/2nd wavelength of the quarter-wave PIFA antenna cooperation 1800MHz of 1575MHz, making the radio-frequency current between two antennas is zero, not only can be effectively increased isolation, and have good radiation efficiency, the logical required 4G downstream bands of current domestic the whole network and three-in-one antenna frequency range can be supported.
Description
Technical field
This utility model relates to a kind of antenna structure, particularly relates to the antenna structure that a kind of isolation is high.
Background technology
At some mobile terminals, in intelligent machine, plate aerial, generally require the system using different frequency scope, this
Sample generally requires multiple antenna design, and along with mobile terminal promotes for the requirement of metal appearance, metal appearance combines antenna
The demand of design increases day by day.
And in existing mobile terminal, in conjunction with the multiple antenna design of metal edge frame, the region of the radiant body of antenna cannot from
By changing, if hypotelorism, between antenna, isolation will be greatly reduced.
Utility model content
The purpose of this utility model is to provide the antenna structure that a kind of isolation is good.
In order to there be purpose on realizing, the utility model discloses a kind of optimization isolated antennas structure, including antenna, described sky
Line includes unipole antenna and PIFA antenna, and described unipole antenna includes the first distributing point, the first short dot and first antenna body,
Described PIFA antenna includes the second distributing point, the second short dot and the second antenna body, and the radiant body of described unipole antenna uses
/ 2nd wavelength of 1800MHz, the radiant body of described PIFA antenna uses the quarter-wave of 1575MHz, so that described
Radio-frequency current between the front end of first antenna body and the second antenna body is zero.
Compared with prior art, antenna structure of the present utility model does not use the quarter-wave of universal 1800MHz
Unipole antenna, and use the unipole antenna of 1/2nd wavelength of 1800MHz, PIFA antenna and unipole antenna are multi-form
Antenna, and use the one pole sky of 1/2nd wavelength that the quarter-wave PIFA antenna of 1575MHz coordinates 1800MHz
Line so that the radio-frequency current between two antennas is zero, not only can be effectively increased isolation, and have good radiation efficiency,
The logical required 4G downstream bands of current domestic the whole network and three-in-one antenna frequency range can be supported.
It is preferred that the end of described first antenna body and the second antenna body is by insulator separation, increase further
Isolation.
It is preferred that described optimization isolated antennas structure also includes that metal shell, described metal shell have metal edge frame, institute
State first line of rabbet joint offering the shell wall running through metal shell on metal edge frame, described unipole antenna and PIFA antenna to lay respectively at
The both sides of described first line of rabbet joint, the program makes two antennas adjacent with a line of rabbet joint, optimizes isolation further.
Specifically, described unipole antenna closes on described PIFA antenna, reduces antenna volume in the case of not increasing interference.
Specifically, described first antenna body includes electrically connecting and be positioned at described first line of rabbet joint one with described first distributing point
The metal edge frame of side, described second antenna body include electrically connecting with described second distributing point and be positioned at described first line of rabbet joint another
Radio-frequency current between the metal edge frame of side, and the metal edge frame of described first line of rabbet joint both sides is zero, optimizes isolation.
More specifically, described first distributing point electrically connects with the metal edge frame of described first line of rabbet joint side to constitute described the
One antenna body, described first short dot closes on described first distributing point and matches with described first antenna body；Described
Two distributing points are electrically connected to the metal edge frame electrical connection of described first line of rabbet joint opposite side to constitute the of described second antenna body
One antenna branch, described second short dot closes on described second distributing point and extends the second antenna of the second antenna body and prop up
Road, described first antenna branch road and described second antenna branch intercouple and are respectively provided with the first of described second antenna body
Operating frequency and the second operating frequency.
Specifically, described first distributing point is connected to described metal edge frame and offers on the side of described first line of rabbet joint, described
What the second distributing point was connected to that described metal edge frame offers described first line of rabbet joint faces on limit, and the program contributes to simplifying antenna knot
Structure.
Specifically, described metal shell also has metal back cover, and described metal edge frame offers the side of described first line of rabbet joint
On be further opened with running through second line of rabbet joint of the shell wall of metal shell, described metal edge frame is divided by described first line of rabbet joint and second line of rabbet joint
Being three sections, three sections of described metal edge frames respectively and sequentially form the first metal edge frame, the second metal edges between described metal back cover
Frame and the 3rd metal edge frame；Described first distributing point electrically connects with described second metal edge frame so that described second metal edge frame structure
Described first antenna body, described first short dot is become to close on described first distributing point with described first antenna body mutually
Join；Described second distributing point is electrically connected to the first metal edge frame so that described first metal edge frame constitutes described second antenna body
First antenna branch road, described second short dot closes on described second distributing point and extends the second antenna of the second antenna body
Branch road, described first antenna branch road and described second antenna branch intercouple and are respectively provided with the of described second antenna body
One operating frequency and the second operating frequency.
More specifically, described 3rd metal edge frame ground connection, the program reduces the 3rd metal edge frame and unipole antenna further
Radiant body formed coupling, it is to avoid reduce unipole antenna radiation efficiency.
Specifically, described metal edge frame is the metal edge frame of mobile terminal, and described first line of rabbet joint is audio jack.
It is preferred that described unipole antenna is diversity antenna, described PIFA antenna is three-in-one antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation of optimization isolated antennas structure described in the utility model.
Fig. 2 is middle unipole antenna radiant body and the PIFA antenna radiator of optimization isolated antennas structure described in the utility model
Return loss plot figure and isolation curve chart.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with enforcement
Mode also coordinates accompanying drawing to be explained in detail.
With reference to Fig. 1, the utility model discloses a kind of optimization isolated antennas structure 100, including antenna, described antenna includes
Unipole antenna 1 and PIFA antenna 2, described unipole antenna 1 includes the first distributing point the 11, first short dot 12 and first antenna body
13, described PIFA antenna 2 includes the second distributing point the 21, second short dot 22 and the second antenna body 23, described unipole antenna 1
Radiant body uses 1/2nd wavelength of 1800MHz, and the radiant body of described PIFA antenna 2 uses the quarter-wave of 1575MHz
It is long, so that the radio-frequency current between described first antenna body 13 and the front end of the second antenna body 23 is zero.
Wherein, the end of described first antenna body 13 and the second antenna body 23 passes through insulator separation, increases further
Add isolation.
Preferably, described optimization isolated antennas structure 100 also includes that metal shell 30, described metal shell 30 have gold
Belong to frame 31, described metal edge frame 31 offers first line of rabbet joint 41 of the shell wall running through metal shell 30, described unipole antenna 1
With the both sides that PIFA antenna 2 lays respectively at described first line of rabbet joint 41.Wherein, described unipole antenna 1 closes on described PIFA antenna 2,
Antenna volume is reduced in the case of not increasing interference.
Wherein, described first distributing point 11 electrically connects with the metal edge frame of described first line of rabbet joint 41 side to constitute described the
One antenna body 13, described first short dot 12 close on described first distributing point 11 and with described first antenna body 13 phase
Join；Described second distributing point 21 is electrically connected to the metal edge frame electrical connection of described first line of rabbet joint 41 opposite side to constitute described second
The first antenna branch road of antenna body 23, described second short dot 22 closes on described second distributing point 21 and extends the second antenna
Second antenna branch of body 23, described first antenna branch road and described second antenna branch intercouple and are respectively provided with described
First operating frequency of the second antenna body 23 and the second operating frequency.
Wherein, described first distributing point 11 is connected to described metal edge frame 31 and offers on the side of described first line of rabbet joint 41,
Described second distributing point 21 is connected to described metal edge frame 31 and offers the facing on limit of described first line of rabbet joint 41.
Wherein, described metal edge frame 31 is the metal edge frame 31 of mobile terminal, and described first line of rabbet joint 41 is audio jack.Its
In, it is also equipped with CCD camera assembly 51 and audio socket 52 in described metal shell 30.
Wherein, described unipole antenna 1 is diversity antenna, and described PIFA antenna 2 is three-in-one antenna.
In another embodiment of this utility model, described metal shell 30 also has metal back cover 32, described metal edge frame
It is further opened with running through second line of rabbet joint 42 of the shell wall of metal shell 30 on 31 sides offering described first line of rabbet joint 41, described first
Described metal edge frame 31 is divided into three sections by the line of rabbet joint 41 and second line of rabbet joint 42, three sections of described metal edge frames 31 respectively with described metal backing
The first metal edge frame the 311, second metal edge frame 312 and the 3rd metal edge frame 313 is sequentially formed between lid 32.
Wherein, described first distributing point 11 electrically connects so that described second metal edge frame with described second metal edge frame 312
312 constitute described first antenna bodies 13, described first short dot 12 close on described first distributing point 11 and with described first day
Line body 13 matches；Described second distributing point 21 is electrically connected to the first metal edge frame 311 so that described first metal edge frame 311
Constituting the first antenna branch road of described second antenna body 23, described second short dot 22 closes on described second distributing point 21 and prolongs
Stretching out the second antenna branch of the second antenna body 23, described first antenna branch road and described second antenna branch intercouple also
It is respectively provided with the first operating frequency and second operating frequency of described second antenna body 23.
Wherein, described first distributing point 11 is connected to described metal edge frame 31 and offers on the side of described first line of rabbet joint 41,
Described second distributing point 21 is connected to described metal edge frame 31 and offers the facing on limit of described first line of rabbet joint 41.
Wherein, described metal edge frame 31 is the metal edge frame 31 of mobile terminal, and described first line of rabbet joint 41 is audio jack.
Better, described 3rd metal edge frame 313 is by earth point 33 ground connection, and the program reduces the 3rd metal edges further
Frame 313 forms coupling with the radiant body of unipole antenna 1, it is to avoid reduce the radiation efficiency of unipole antenna 1.
With reference to Fig. 2, for middle unipole antenna 1 radiant body and the PIFA of optimization isolated antennas structure 100 described in the utility model
The return loss plot figure of antenna 2 radiant body and isolation curve chart.Wherein, L1 is the return loss of unipole antenna 1 radiant body
Curve, L2 is the return loss plot of PIFA antenna 2 radiant body, and L3 is isolation curve.
Above disclosed only preferred embodiment of the present utility model, can not limit this practicality with this new certainly
The interest field of type, the equivalent variations therefore made according to this utility model claim, still belong to this utility model and contained
Scope.
Claims (11)
1. one kind optimizes isolated antennas structure, it is characterised in that include that antenna, described antenna include unipole antenna and PIFA days
Line, described unipole antenna includes that the first distributing point, the first short dot and first antenna body, described PIFA antenna include the second feedback
Electricity point, the second short dot and the second antenna body, the radiant body of described unipole antenna uses 1/2nd wavelength of 1800MHz,
The radiant body of described PIFA antenna uses the quarter-wave of 1575MHz, so that described first antenna body and the second antenna
Radio-frequency current between the front end of body is zero.
2. optimization isolated antennas structure as claimed in claim 1, it is characterised in that described first antenna body and the second antenna
The end of body passes through insulator separation.
3. optimization isolated antennas structure as claimed in claim 1, it is characterised in that also include metal shell, described metal-back
Body has metal edge frame, and described metal edge frame offers first line of rabbet joint of the shell wall running through metal shell, described unipole antenna
With the both sides that PIFA antenna lays respectively at described first line of rabbet joint.
4. optimization isolated antennas structure as claimed in claim 3, it is characterised in that described unipole antenna closes on described PIFA days
Line.
5. optimization isolated antennas structure as claimed in claim 3, it is characterised in that described first antenna body includes with described
First distributing point electrically connects and is positioned at the metal edge frame of described first line of rabbet joint side, and described second antenna body includes and described
Two distributing points electrically connect and are positioned at the metal edge frame of described first line of rabbet joint opposite side, and the metal edge frame of described first line of rabbet joint both sides
Between radio-frequency current be zero.
6. optimization isolated antennas structure as claimed in claim 5, it is characterised in that described first distributing point and described first groove
The metal edge frame of seam side electrically connects to constitute described first antenna body, and described first short dot closes on described first distributing point
And match with described first antenna body；Described second distributing point is electrically connected to the metal edges of described first line of rabbet joint opposite side
Frame electrical connection is to constitute the first antenna branch road of described second antenna body, and described second short dot closes on described second distributing point
And extending the second antenna branch of the second antenna body, described first antenna branch road intercouples with described second antenna branch
And it is respectively provided with the first operating frequency and second operating frequency of described second antenna body.
7. optimization isolated antennas structure as claimed in claim 6, it is characterised in that described first distributing point is connected to described gold
Belonging to frame and offer on the side of described first line of rabbet joint, described second distributing point is connected to described metal edge frame and offers described first groove
Facing on limit of seam.
8. optimization isolated antennas structure as claimed in claim 5, it is characterised in that described metal shell also has metal backing
Covering, described metal edge frame offers second line of rabbet joint of the shell wall being further opened with running through metal shell on the side of described first line of rabbet joint,
Described metal edge frame is divided into three sections by described first line of rabbet joint and second line of rabbet joint, three sections of described metal edge frames respectively with described metal backing
The first metal edge frame, the second metal edge frame and the 3rd metal edge frame is sequentially formed between lid；Described first distributing point and described the
Two metal edge frame electrical connections are so that described second metal edge frame constitutes described first antenna body, and described first short dot closes on institute
State the first distributing point and match with described first antenna body；Described second distributing point be electrically connected to the first metal edge frame so that
Described first metal edge frame constitutes the first antenna branch road of described second antenna body, and described second short dot closes on described second
Distributing point also extends the second antenna branch of the second antenna body, described first antenna branch road and described second antenna branch phase
Mutual coupling merges the first operating frequency and the second operating frequency being respectively provided with described second antenna body.
9. optimization isolated antennas structure as claimed in claim 8, it is characterised in that described 3rd metal edge frame ground connection.
10. optimization isolated antennas structure as claimed in claim 3, it is characterised in that described metal edge frame is mobile terminal
Metal edge frame, described first line of rabbet joint is audio jack.
11. optimize isolated antennas structure as claimed in claim 1, it is characterised in that described unipole antenna is diversity antenna, institute
Stating PIFA antenna is three-in-one antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706199.4U CN205828653U (en) | 2016-07-06 | 2016-07-06 | Optimize isolated antennas structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706199.4U CN205828653U (en) | 2016-07-06 | 2016-07-06 | Optimize isolated antennas structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205828653U true CN205828653U (en) | 2016-12-21 |
Family
ID=57564219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620706199.4U Withdrawn - After Issue CN205828653U (en) | 2016-07-06 | 2016-07-06 | Optimize isolated antennas structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205828653U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025519A (en) * | 2016-07-06 | 2016-10-12 | 上海华章信息科技有限公司 | Optimization isolation antenna structure |
| CN110582893A (en) * | 2017-04-28 | 2019-12-17 | 小岛优 | Antenna device and portable terminal |
| WO2020215515A1 (en) * | 2019-04-26 | 2020-10-29 | 北京小米移动软件有限公司 | Mobile terminal and antenna radiation method for mobile terminal |
-
2016
- 2016-07-06 CN CN201620706199.4U patent/CN205828653U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025519A (en) * | 2016-07-06 | 2016-10-12 | 上海华章信息科技有限公司 | Optimization isolation antenna structure |
| CN106025519B (en) * | 2016-07-06 | 2019-01-04 | 上海华章信息科技有限公司 | Optimize isolated antennas structure |
| CN110582893A (en) * | 2017-04-28 | 2019-12-17 | 小岛优 | Antenna device and portable terminal |
| US11211715B2 (en) | 2017-04-28 | 2021-12-28 | Suguru Kojima | Antenna apparatus and mobile terminal |
| WO2020215515A1 (en) * | 2019-04-26 | 2020-10-29 | 北京小米移动软件有限公司 | Mobile terminal and antenna radiation method for mobile terminal |
| US11881614B2 (en) | 2019-04-26 | 2024-01-23 | Beijing Xiaomi Mobile Software Co., Ltd. | Mobile terminal and antenna radiation method of mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171010 Address after: 100016 Beijing City, Chaoyang District Road No. 5 Building No. 5 hospital room 5103 Patentee after: BEIJING HAIHANG COMMUNICATION TECHNOLOGY CO., LTD. Address before: 200233 Shanghai 810, Yishan Road, Xuhui District, 18, 6 stories Patentee before: SHANGHAI HUAZHANG INFORMATION TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180328 Address after: 200000, Xuhui District, Yishan Road, No. 810, 18, 6, Shanghai Patentee after: SHANGHAI HUAZHANG INFORMATION TECHNOLOGY CO., LTD. Address before: 100016 Beijing City, Chaoyang District Road No. 5 Building No. 5 hospital room 5103 Patentee before: BEIJING HAIHANG COMMUNICATION TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20190104 |
|
| AV01 | Patent right actively abandoned |