CN106025519A - Optimization isolation antenna structure - Google Patents
Optimization isolation antenna structure Download PDFInfo
- Publication number
- CN106025519A CN106025519A CN201610527564.XA CN201610527564A CN106025519A CN 106025519 A CN106025519 A CN 106025519A CN 201610527564 A CN201610527564 A CN 201610527564A CN 106025519 A CN106025519 A CN 106025519A
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- CN
- China
- Prior art keywords
- antenna
- edge frame
- line
- metal edge
- metal
- 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
- H01Q1/12—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an optimization isolation antenna structure. The optimization isolation antenna structure comprises an antenna, the antenna comprises a monopole antenna and a PIFA antenna, the monopole antenna comprises a first feed point, a first short circuit point and a first antenna body, the PIFA antenna comprises a second feed point, a second short circuit point and a second antenna body, a radiator of the monopole antenna employs a half wavelength of 1800MHZ and a radiator of the PIFA antenna employs a quarter wavelength of 1575MHZ such that radio frequency currents between the front end of the first antenna body and the front end of the second antenna body are enabled to be zero. According to the invention, through such two antenna structures in different forms and adoption of the PIFA antenna with the quarter wavelength of 1575MHZ for cooperating with the monopole antenna with the half wavelength of 1800MHZ, the radio frequency currents between the two antennas are enabled to be zero, the isolation can be effectively enhanced, the radiation efficiency is quite good, and the optimization isolation antenna structure can support a 4G down frequency band needed by all domestic networks and a three-in-one antenna frequency range.
Description
Technical field
The present invention relates to a kind of antenna structure, particularly relate to the antenna structure that a kind of isolation is high.
Background technology
At some mobile terminals, in intelligent machine, plate aerial, generally require and use different frequency scope
System, so generally requires multiple antenna design, and along with mobile terminal promotes for the requirement of metal appearance,
Metal appearance combines the demand of Antenna Design to be increased 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 freely change, if hypotelorism, between antenna, isolation will be greatly reduced.
Summary of the invention
It is an object of the invention to provide the antenna structure that a kind of isolation is good.
In order to there be purpose on realizing, the invention discloses a kind of optimization isolated antennas structure, including antenna, institute
Stating antenna and include unipole antenna and PIFA antenna, described unipole antenna includes the first distributing point, the first short dot
With 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 radiation of described PIFA antenna
Body uses the quarter-wave of 1575MHZ, so that before described first antenna body and the second antenna body
Radio-frequency current between end is zero.
Compared with prior art, the antenna structure of the present invention does not use the quarter-wave of universal 1800MHZ
Long unipole antenna, and use the unipole antenna of 1/2nd wavelength of 1800MHZ, PIFA antenna and list
Pole antenna is the antenna of multi-form, and uses the quarter-wave PIFA antenna of 1575MHZ to coordinate
The unipole antenna of 1/2nd wavelength of 1800MHZ so that the radio-frequency current between two antennas is zero, not only may be used
To be effectively increased isolation, and have good radiation efficiency, needed for current domestic the whole network can be supported logical
4G downstream bands and three-in-one antenna frequency range.
It is preferred that the end of described first antenna body and the second antenna body is by insulator separation, enter one
Step increases isolation.
It is preferred that described optimization isolated antennas structure also includes that metal shell, described metal shell have metal
Frame, 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, the program makes two antennas adjacent with a line of rabbet joint,
Optimize isolation further.
Specifically, described unipole antenna closes on described PIFA antenna, reduces sky in the case of not increasing interference
Line volume.
Specifically, described first antenna body includes electrically connecting with described first distributing point and being positioned at described first
The metal edge frame of line of rabbet joint side, described second antenna body includes electrically connecting with described second distributing point and being positioned at
Radio frequency between 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
Electric current 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 first antenna body, described first short dot close on described first distributing point and with described first antenna this
Body matches；Described second distributing point be electrically connected to described first line of rabbet joint opposite side metal edge frame electrical connection with
Constituting the first antenna branch road of described second antenna body, 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 props up with described second antenna
Road intercouples and is respectively provided with the first operating frequency and second operating frequency of described second antenna body.
Specifically, described first distributing point is connected to described metal edge frame and offers on the side of described first line of rabbet joint,
What described second distributing point was connected to that described metal edge frame offers described first line of rabbet joint faces on limit, and the program helps
In simplifying antenna structure.
Specifically, described metal shell also has metal back cover, and described metal edge frame offers described first line of rabbet joint
Side on be further opened with running through second line of rabbet joint of the shell wall of metal shell, described first line of rabbet joint and second line of rabbet joint
Described metal edge frame is divided into three sections, three sections of described metal edge frames shape successively respectively and between described metal back cover
Become the first metal edge frame, the second metal edge frame and the 3rd metal edge frame；Described first distributing point and described second
Metal edge frame electrical connection is so that described second metal edge frame constitutes described first antenna body, described first short circuit
Point closes on described first distributing point and matches with described first antenna body；Described second distributing point electrical connection
To the first metal edge frame so that the first antenna that described first metal edge frame constitutes described second antenna body is propped up
Road, 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 described second antenna
First operating frequency of body and the second operating frequency.
More specifically, described 3rd metal edge frame ground connection, the program reduces the 3rd metal edge frame and list further
The radiant body of pole antenna forms coupling, it is to avoid reduce the radiation efficiency of unipole antenna.
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 of the present invention.
Fig. 2 is middle unipole antenna radiant body and the PIFA aerial radiation of optimization isolated antennas structure of the present invention
The return loss plot figure of body and isolation curve chart.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with
Embodiment also coordinates accompanying drawing to be explained in detail.
With reference to Fig. 1, the invention discloses a kind of optimization isolated antennas structure 100, including antenna, described antenna
Including unipole antenna 1 and PIFA antenna 2, described unipole antenna 1 includes first distributing point the 11, first short circuit
Point 12 and first antenna body 13, described PIFA antenna 2 includes second distributing point the 21, second short dot 22
With the second antenna body 23, the radiant body of described unipole antenna 1 uses 1/2nd wavelength of 1800MHZ,
The radiant body of described PIFA antenna 2 uses the quarter-wave of 1575MHZ, so that described first antenna
Radio-frequency current between 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,
Increase isolation further.
Preferably, described optimization isolated antennas structure 100 also includes metal shell 30, described metal shell 30
There is metal edge frame 31, described metal edge frame 31 offers the first groove of the shell wall running through metal shell 30
Seam 41, described unipole antenna 1 and PIFA antenna 2 lays respectively at the both sides of described first line of rabbet joint 41.Wherein,
Described unipole antenna 1 closes on described PIFA antenna 2, reduces antenna volume 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 with structure
Described first antenna body 13, described first short dot 12 is become to close on described first distributing point 11 and with described
First antenna body 13 matches；Described second distributing point 21 is electrically connected to described first line of rabbet joint 41 opposite side
Metal edge frame electrical connection with constitute described second antenna body 23 first antenna branch road, described second short circuit
Point 22 closes on described second distributing point 21 and extends the second antenna branch of the second antenna body 23, described
First antenna branch road and described second antenna branch intercouple and are respectively provided with described second antenna body 23
First operating frequency and the second operating frequency.
Wherein, described first distributing point 11 is connected to described metal edge frame 31 and offers described first line of rabbet joint 41
On side, described second distributing point 21 is connected to described metal edge frame 31 and offers facing of described first line of rabbet joint 41
Bian Shang.
Wherein, described metal edge frame 31 is the metal edge frame 31 of mobile terminal, and described first line of rabbet joint 41 is sound
Frequently jack.Wherein, 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 an alternative embodiment of the invention, described metal shell 30 also has metal back cover 32, described metal edges
The second groove being further opened with running through the shell wall of metal shell 30 on the side of described first line of rabbet joint 41 offered by frame 31
Seam 42, described metal edge frame 31 is divided into three sections, described in three sections by described first line of rabbet joint 41 and second line of rabbet joint 42
Metal edge frame 31 respectively and sequentially forms first metal edge frame the 311, second metal between described metal back cover 32
Frame 312 and the 3rd metal edge frame 313.
Wherein, described first distributing point 11 electrically connects so that described second gold medal with described second metal edge frame 312
Belonging to frame 312 and constitute described first antenna body 13, described first short dot 12 closes on described first distributing point
11 and match with described first antenna body 13；Described second distributing point 21 is electrically connected to the first metal edges
Frame 311 so that described first metal edge frame 311 constitutes the first antenna branch road of described second antenna body 23,
Described second short dot 22 closes on described second distributing point 21 and extends second day of the second antenna body 23
Line branch road, described first antenna branch road and described second antenna branch intercouple and are respectively provided with described second
First operating frequency of antenna body 23 and the second operating frequency.
Wherein, described first distributing point 11 is connected to described metal edge frame 31 and offers described first line of rabbet joint 41
On side, described second distributing point 21 is connected to described metal edge frame 31 and offers facing of described first line of rabbet joint 41
Bian Shang.
Wherein, described metal edge frame 31 is the metal edge frame 31 of mobile terminal, and described first line of rabbet joint 41 is sound
Frequently jack.
Better, described 3rd metal edge frame 313 is by earth point 33 ground connection, and the program reduces by the further
Three metal edge frames 313 form coupling with the radiant body of unipole antenna 1, it is to avoid reduce unipole antenna 1
Radiation efficiency.
With reference to Fig. 2, for optimization isolated antennas structure 100 of the present invention middle unipole antenna 1 radiant body with
The return loss plot figure of PIFA antenna 2 radiant body and isolation curve chart.Wherein, L1 is unipole antenna 1
The return loss plot of radiant body, L2 is the return loss plot of PIFA antenna 2 radiant body, and L3 is isolation
Write music line.
Above disclosed only the preferred embodiments of the present invention, can not limit the present invention with this certainly
Interest field, the equivalent variations therefore made according to scope of the present invention patent, still belong to the present invention and contained
Scope.
Claims (11)
1. one kind optimizes isolated antennas structure, it is characterised in that include that antenna, described antenna include one pole sky
Line 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, described unipole antenna
Radiant body uses 1/2nd wavelength of 1800MHZ, and the radiant body of described PIFA antenna uses 1575MHZ
Quarter-wave so that the radio frequency electrical between described first antenna body and the front end of the second antenna body
Stream is zero.
2. optimization isolated antennas structure as claimed in claim 1, it is characterised in that described first antenna is originally
The end of body and the second antenna 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 shell has metal edge frame, and described metal edge frame offers the of the shell wall running through metal shell
One line of rabbet joint, described unipole antenna and PIFA antenna lay respectively at the both sides of described first line of rabbet joint.
4. optimization isolated antennas structure as claimed in claim 3, it is characterised in that described unipole antenna faces
Nearly described PIFA antenna.
5. optimization isolated antennas structure as claimed in claim 3, it is characterised in that described first antenna is originally
Body includes the metal edge frame electrically connecting and being positioned at described first line of rabbet joint side with described first distributing point, described
Two antenna bodies include the metal edges electrically connecting and being positioned at described first line of rabbet joint opposite side with described second distributing point
Radio-frequency current between frame, and the metal edge frame of described first line of rabbet joint both sides is zero.
6. optimization isolated antennas structure as claimed in claim 5, it is characterised in that described first distributing point
Electrically connect with the metal edge frame of described first line of rabbet joint side to constitute described first antenna body, described first short
Waypoint is closed on described first distributing point and matches with described first antenna body；Described second distributing point is electrically connected
The metal edge frame being connected to described first line of rabbet joint opposite side electrically connects to constitute first day of described second antenna body
Line branch road, described second short dot closes on described second distributing point and extends second day of the second antenna body
Line branch road, described first antenna branch road and described second antenna branch intercouple and are respectively provided with described second
First operating frequency of antenna body and the second operating frequency.
7. optimization isolated antennas structure as claimed in claim 6, it is characterised in that described first distributing point
Being connected to described metal edge frame and offer on the side of described first line of rabbet joint, described second distributing point is connected to described
Metal edge frame offers the facing on limit of described first line of rabbet joint.
8. optimization isolated antennas structure as claimed in claim 5, it is characterised in that described metal shell is also
Having metal back cover, described metal edge frame is offered and is further opened with running through metal-back on the side of described first line of rabbet joint
Described metal edge frame is divided into three sections by second line of rabbet joint of the shell wall of body, described first line of rabbet joint and second line of rabbet joint, and three
Duan Suoshu metal edge frame respectively and sequentially forms 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 so that described second with described second metal edge frame
Metal edge frame constitute described first antenna body, described first short dot close on described first distributing point and with institute
State first antenna body to match；Described second distributing point is 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 the
Two distributing points also extend the second antenna branch of the second antenna body, described first antenna branch road and described the
Two antenna branch intercouple and are respectively provided with the first operating frequency and second work of described second antenna body
Frequency.
9. optimization isolated antennas structure as claimed in claim 8, it is characterised in that described 3rd metal edges
Frame ground connection.
10. optimization isolated antennas structure as claimed in claim 3, it is characterised in that described metal edge frame
For the metal edge frame of mobile terminal, 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, described PIFA antenna is three-in-one antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527564.XA CN106025519B (en) | 2016-07-06 | 2016-07-06 | Optimize isolated antennas structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527564.XA CN106025519B (en) | 2016-07-06 | 2016-07-06 | Optimize isolated antennas structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106025519A true CN106025519A (en) | 2016-10-12 |
| CN106025519B CN106025519B (en) | 2019-01-04 |
Family
ID=57106937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610527564.XA Expired - Fee Related CN106025519B (en) | 2016-07-06 | 2016-07-06 | Optimize isolated antennas structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025519B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492708A (en) * | 2017-07-26 | 2017-12-19 | 北京小米移动软件有限公司 | Double-antenna structure, terminal shell and terminal applied to terminal |
| CN111213283A (en) * | 2018-05-15 | 2020-05-29 | 华为技术有限公司 | Antenna system and terminal equipment |
| CN111653873A (en) * | 2019-03-03 | 2020-09-11 | 仁宝电脑工业股份有限公司 | Antenna structure |
| TWI792570B (en) * | 2021-09-17 | 2023-02-11 | 和碩聯合科技股份有限公司 | Electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2665125A1 (en) * | 2012-05-18 | 2013-11-20 | BlackBerry Limited | Compact multi-band antenna for worldwide mobile handset applications |
| CN103545604A (en) * | 2012-07-11 | 2014-01-29 | 启碁科技股份有限公司 | Electronic device and multi-band antenna thereof |
| CN103682624A (en) * | 2012-09-05 | 2014-03-26 | 华为终端有限公司 | Decoupling structures for multi-antenna system, multi-antenna system and mobile terminal |
| CN104300211A (en) * | 2013-07-17 | 2015-01-21 | 中兴通讯股份有限公司 | A MIMO antenna, a terminal and a method for improving the isolation of the MIMO antenna |
| CN205828653U (en) * | 2016-07-06 | 2016-12-21 | 上海华章信息科技有限公司 | Optimize isolated antennas structure |
-
2016
- 2016-07-06 CN CN201610527564.XA patent/CN106025519B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2665125A1 (en) * | 2012-05-18 | 2013-11-20 | BlackBerry Limited | Compact multi-band antenna for worldwide mobile handset applications |
| CN103545604A (en) * | 2012-07-11 | 2014-01-29 | 启碁科技股份有限公司 | Electronic device and multi-band antenna thereof |
| CN103682624A (en) * | 2012-09-05 | 2014-03-26 | 华为终端有限公司 | Decoupling structures for multi-antenna system, multi-antenna system and mobile terminal |
| CN104300211A (en) * | 2013-07-17 | 2015-01-21 | 中兴通讯股份有限公司 | A MIMO antenna, a terminal and a method for improving the isolation of the MIMO antenna |
| CN205828653U (en) * | 2016-07-06 | 2016-12-21 | 上海华章信息科技有限公司 | Optimize isolated antennas structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492708A (en) * | 2017-07-26 | 2017-12-19 | 北京小米移动软件有限公司 | Double-antenna structure, terminal shell and terminal applied to terminal |
| CN111213283A (en) * | 2018-05-15 | 2020-05-29 | 华为技术有限公司 | Antenna system and terminal equipment |
| CN111213283B (en) * | 2018-05-15 | 2021-06-29 | 华为技术有限公司 | Antenna system and terminal equipment |
| CN111653873A (en) * | 2019-03-03 | 2020-09-11 | 仁宝电脑工业股份有限公司 | Antenna structure |
| CN111653873B (en) * | 2019-03-03 | 2021-11-16 | 仁宝电脑工业股份有限公司 | Antenna structure |
| TWI792570B (en) * | 2021-09-17 | 2023-02-11 | 和碩聯合科技股份有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106025519B (en) | 2019-01-04 |
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