CN208460966U - A kind of antenna system promoting diversity antenna performance - Google Patents
A kind of antenna system promoting diversity antenna performance Download PDFInfo
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- CN208460966U CN208460966U CN201821380059.8U CN201821380059U CN208460966U CN 208460966 U CN208460966 U CN 208460966U CN 201821380059 U CN201821380059 U CN 201821380059U CN 208460966 U CN208460966 U CN 208460966U
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Abstract
The utility model discloses a kind of antenna systems for promoting diversity antenna performance, it includes left side metal frame, right side metal frame and upper end metal frame, the top of left side metal frame is provided with the first opening and is separated into upper left branch and lower-left branch by the opening, the upper end of lower-left branch is provided with the first grounding point, upper end metal frame has been set gradually from left to right the second grounding point, first isolation place, second isolation place and third grounding point, the top of right side metal frame is provided with the second opening and is separated into upper right branch and lower right branch by the opening, the upper end of lower right branch is provided with the 4th grounding point, a coupling metal strip parallel with upper end metal frame is provided at the 1~2mm of metal frame lower edge of upper end, the right end of coupling metal strip is 1~2mm apart from upper right branch, the right end of coupling metal strip is provided with feeding point, Switch place is formed by SP4T switch ground connection at the position 20~25mm of metal frame on the right side of distance on the metal frame of upper end.The antenna radiation efficiency that the utility model switches resonance band is high.
Description
[technical field]
The utility model belongs to communication technique field, more particularly to a kind of antenna system for promoting diversity antenna performance.
[background technique]
Couple feed is a kind of contactless feeding classification risen from the 1980s, is broadly divided into bore coupling
It closes feed and closes on the two ways such as couple feed.Couple feed, which has, facilitates adjusting input impedance, the spies such as spreading antenna bandwidth
Point, in current antenna towards under minimizing the trend with broadband development, couple feed is increasingly becoming popular feeding classification.
In the antenna system of all-metal frame mobile phone, it will usually make part of it as antenna spoke metal edge frame cutting
Beam improves antenna performance.The feeding point of antenna is directly connected to metal frame in the prior art, then is cut by place switch
It changes, realizes the resonance switching of low frequency and intermediate frequency, the antenna radiation efficiency that this mode switches resonance band can reduce very much.
[utility model content]
The main purpose of the utility model is to provide a kind of antenna system for promoting diversity antenna performance, switching resonance frequencies
The antenna radiation efficiency of section is high.
The utility model is achieved through the following technical solutions above-mentioned purpose: a kind of aerial system promoting diversity antenna performance
System comprising left side metal frame, right side metal frame and the upper end metal frame to link into an integrated entity, the top of the left side metal frame
It is provided with the first opening and upper left branch and lower-left branch is separated by the opening, the upper end of the lower-left branch is provided with first
Grounding point, the upper end metal frame be set gradually from left to right the second grounding point, first isolation place, second isolation place with
And third grounding point, the top of the right side metal frame are provided with the second opening and are separated into upper right branch and bottom right by the opening
Branch, the upper end of the lower right branch are provided with the 4th grounding point, are arranged at 1~2mm of the upper end metal frame lower edge
There is a coupling metal strip parallel with the upper end metal frame, the right end of the coupling metal strip is 1 apart from the upper right branch
~2mm, it is described coupling metal strip right end be provided with feeding point, on the upper end metal frame described in distance right side metal frame 20~
Switch place is formed by SP4T switch ground connection at the position 25mm.
Further, the right half of the upper end metal frame, the top of the right side metal frame 2 and coupling gold
Belong to item and forms a diversity antenna.
Further, a three-in-one day is formed at the top of the left half of the upper end metal frame and the left side metal frame
Line.
Further, the length of the coupling metal strip is 15~25mm.
Further, third grounding point described in the switch distance location is 8~10mm.
Further, the third grounding point constitutes the grounding point of the diversity antenna.
Further, second grounding point constitutes the grounding point of the three-in-one antenna.
Further, the width of first opening is 2~4mm, 8~10mm on the outside of the upper end metal frame.
Further, the width of second opening is 2~4mm, 8~10mm on the outside of the upper end metal frame.
Further, plastic cement is filled in first opening and second opening.
Compared with prior art, a kind of beneficial effect for the antenna system for promoting diversity antenna performance of the utility model exists
In: it is provided with coupling metal strip in diversity antenna, feeding point is connected on coupling metal strip, by adjusting coupling metal strip
Length dimension and distance to circumferential metal frame, make antenna initial resonant position in 900MHz or 2300M~2690MHz,
Then low frequency (824~894MHz) and intermediate frequency (1710M are carried out by the capacitor and inductance value of connecting different at switch place again
~2300MHz) resonance switching, it is common to realize antenna in the covering of the entire frequency range of 824~960MHz@1710M~2690MHz.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Digital representation in figure:
100 promote the antenna system of diversity antenna performance；1 left side metal frame；2 right side metal frames；3 upper end metal frames；4
One opening；5 upper left branches；6 lower-left branches；7 first grounding points；8 second grounding points；9 first isolation places；10 second isolator
Point；11 third grounding points；12 second openings；13 upper right branch；14 lower right branch；15 the 4th grounding points；16 coupling metal strips；17
Feeding point；18SP4T switch；19 diversity antennas；20 three-in-one antennas.
[specific embodiment]
Embodiment:
Fig. 1 is please referred to, the present embodiment is the antenna system 100 for promoting diversity antenna performance comprising is linked into an integrated entity
Left side metal frame 1, right side metal frame 2 and upper end metal frame 3, the top of left side metal frame 1 are provided with the first opening 4 and by these
Opening is separated into upper left branch 5 and lower-left branch 6, and lower-left branch 6 is provided with the first grounding point 7 close to one end of the first opening 4,
Upper end metal frame 3 has been set gradually from left to right the second grounding point 8, first isolation place 9, second and place 10 and third is isolated
Grounding point 11, the top of right side metal frame 2 are provided with the second opening 12 and are separated into upper right branch 13 and bottom right point by the opening
Branch 14, lower right branch 14 is provided with the 4th grounding point 15 close to one end of the second opening 12, apart from 3 lower edge 1 of upper end metal frame
It is provided with a coupling metal strip 16 parallel with upper end metal frame 3 at~2mm, couples the right end of metal strip 16 apart from upper right branch
13 be 1~2mm, and the right end of coupling metal strip 16 is provided with feeding point 17, metal frame 220 on the right side of distance on upper end metal frame 3~
Switch place is formed by a SP4T switch 18 ground connection at the position 25mm.
In the present embodiment, the right half of upper end metal frame 3, the top of right side metal frame 2 and the coupling formation of metal strip 16
One diversity antenna 19.One three-in-one antenna 20 is formed at the left half of upper end metal frame 3 and the top of left side metal frame 1.
Coupling metal strip 16 is the radiation branch that diversity antenna 19 is coupled with metal frame, and the length is 15~25mm.
19 low-frequency resonant of diversity antenna switching switch ground is constituted by a SP4T switch 18 ground connection on upper end metal frame 3
Point realizes the switching of low-frequency resonant position by being changed to capacitor and the inductance value on ground, and the switch distance location third connects
Place 11 is 8~10mm.
Third grounding point 11 constitutes the grounding point of diversity antenna 19, and the first grounding point 7, the 4th grounding point 15 are metal edge frame
Two grounding points.Isolation of the place 10 between diversity antenna 19 and three-in-one antenna 20 is isolated in first isolation place 9, second
Place considerably increases the isolation between two antennas.
The grounding point of second grounding point 8 composition three-in-one antenna 20.
First opening 4 is cracked for the frame in three-in-one antenna 20, and width is 2~4mm, outside upper end metal frame 3
8~10mm of side.
Second opening 12 is cracked for the frame in diversity antenna 19, and width is 2~4mm, apart from 3 outside of upper end metal frame
8~10mm.
Plastic cement is filled in first opening 4 and the second opening 12.
In order to increase the isolation between three-in-one antenna 20 and diversity antenna 19, the present embodiment is set between two antennas
It has set the first isolation place 9, second and place 10 is isolated, interfering with each other between two antennas has been reduced, so that antenna performance is sent out
It waves more stable and effective.
The present embodiment is provided with coupling metal strip 16 in diversity antenna 19, and feeding point 17 is connected to coupling metal strip 16
On, by adjusting the length dimension of coupling metal strip 16 and to the distance of circumferential metal frame, antenna initial resonant position is made to exist
Then 900MHz or 2300M~2690MHz carries out low frequency by the capacitor and inductance value of connecting different at switch place again
The switching of (824~894MHz) and intermediate frequency (1710M~2300MHz) resonance, it is common realize antenna in 824~960MHz and
The covering of the entire frequency range of 1710M~2690MHz；The feed point of traditional antenna for mobile phone uses direct upper ledge mode, resonance frequency institute
Need effective electrical length of antenna shorter, effective electrical length of antenna is short, and the radiation efficiency that will lead to antenna is low, and this reality
Example is applied using coupling feed point mode, effective electrical length of required antenna is long, to improve the radiation efficiency of antenna.
The present embodiment promotes the antenna system 100 of diversity antenna performance, and Antenna Design is in the top of mobile phone, handset structure
The overall structure of injection molding in metal edge frame and plastic mold.Top, which is provided at two, at left and right sides of the metal edge frame cracks,
Wherein diversity antenna is located at the right at the top of mobile phone, and diversity antenna position of cracking is located at right edge position；And it is set in diversity antenna
Set coupling branch, by adjusting the coupling size of branch, shape and at a distance from metal edge frame so that diversity antenna with
The coupling of metal edge frame generates resonance, makes initial resonant position in 900MHz or 2300M~2690MHz, then passes through switch place
Different capacitor and inductance value connect to carry out cutting for low frequency (824~894MHz) and intermediate frequency (1710M~2300MHz) resonance in place
It changes, it is common to realize antenna in the covering of the entire frequency range of 824~960MHz and 1710M~2690MHz.Compared with prior art, originally
Scheme realizes antenna electromagenetic wave radiation by the way of couple feed, and low to switch using optimal location increase switch place
The resonance of frequency and intermediate frequency, realizes the covering of entire frequency range, the resonance of frequency range under this switching state, has extraordinary antenna spoke
Efficiency is penetrated, it is more high-efficient than currently existing scheme.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (10)
1. it is a kind of promoted diversity antenna performance antenna system, it is characterised in that: it include the left side metal frame to link into an integrated entity,
Right side metal frame and upper end metal frame, the top of the left side metal frame are provided with the first opening and are separated into a left side by the opening
Top set and lower-left branch, the upper end of the lower-left branch are provided with the first grounding point, the upper end metal frame from left to right according to
It is secondary to be provided with the second grounding point, the first isolation place, the second isolation place and third grounding point, the right side metal frame it is upper
Portion is provided with the second opening and is separated into upper right branch and lower right branch by the opening, and the upper end of the lower right branch is provided with
Four grounding points are provided with a coupling gold parallel with the upper end metal frame at 1~2mm of the upper end metal frame lower edge
Belong to item, the right end of the coupling metal strip is 1~2mm apart from the upper right branch, and the right end of the coupling metal strip is provided with
Feeding point is formed at the right side position 20~25mm of metal frame described in distance by SP4T switch ground connection on the upper end metal frame
Switch place.
2. promoting the antenna system of diversity antenna performance as described in claim 1, it is characterised in that: the upper end metal frame
Right half, the top of the right side metal frame 2 and the coupling metal strip form a diversity antenna.
3. promoting the antenna system of diversity antenna performance as described in claim 1, it is characterised in that: the upper end metal frame
One three-in-one antenna is formed at the top of left half and the left side metal frame.
4. promoting the antenna system of diversity antenna performance as described in claim 1, it is characterised in that: the coupling metal strip
Length is 15~25mm.
5. promoting the antenna system of diversity antenna performance as described in claim 1, it is characterised in that: the switch distance location
The third grounding point is 8~10mm.
6. promoting the antenna system of diversity antenna performance as claimed in claim 2, it is characterised in that: the third grounding point structure
At the grounding point of the diversity antenna.
7. promoting the antenna system of diversity antenna performance as claimed in claim 3, it is characterised in that: the second grounding point structure
At the grounding point of the three-in-one antenna.
8. promoting the antenna system of diversity antenna performance as described in claim 1, it is characterised in that: the width of first opening
Degree is 2~4mm, 8~10mm on the outside of the upper end metal frame.
9. promoting the antenna system of diversity antenna performance as described in claim 1, it is characterised in that: the width of second opening
Degree is 2~4mm, 8~10mm on the outside of the upper end metal frame.
10. as described in claim 1 promoted diversity antenna performance antenna system, it is characterised in that: it is described first opening and
Plastic cement is filled in second opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821380059.8U CN208460966U (en) | 2018-08-26 | 2018-08-26 | A kind of antenna system promoting diversity antenna performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821380059.8U CN208460966U (en) | 2018-08-26 | 2018-08-26 | A kind of antenna system promoting diversity antenna performance |
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| Publication Number | Publication Date |
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| CN208460966U true CN208460966U (en) | 2019-02-01 |
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ID=65178834
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821380059.8U Active CN208460966U (en) | 2018-08-26 | 2018-08-26 | A kind of antenna system promoting diversity antenna performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088155A (en) * | 2018-08-26 | 2018-12-25 | 昆山亿趣信息技术研究院有限公司 | A kind of antenna system promoting diversity antenna performance |
| CN112635971A (en) * | 2019-09-24 | 2021-04-09 | 北京小米移动软件有限公司 | Antenna and mobile terminal |
| CN114079174A (en) * | 2020-08-19 | 2022-02-22 | 华为技术有限公司 | Connecting assembly and electronic equipment |
-
2018
- 2018-08-26 CN CN201821380059.8U patent/CN208460966U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088155A (en) * | 2018-08-26 | 2018-12-25 | 昆山亿趣信息技术研究院有限公司 | A kind of antenna system promoting diversity antenna performance |
| CN109088155B (en) * | 2018-08-26 | 2024-01-12 | 昆山亿趣信息技术研究院有限公司 | Antenna system for improving diversity antenna performance |
| CN112635971A (en) * | 2019-09-24 | 2021-04-09 | 北京小米移动软件有限公司 | Antenna and mobile terminal |
| CN112635971B (en) * | 2019-09-24 | 2022-12-27 | 北京小米移动软件有限公司 | Antenna and mobile terminal |
| CN114079174A (en) * | 2020-08-19 | 2022-02-22 | 华为技术有限公司 | Connecting assembly and electronic equipment |
| CN114079174B (en) * | 2020-08-19 | 2023-02-10 | 华为技术有限公司 | Connecting assembly and electronic equipment |
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