CN109742514A - A kind of antenna and mobile terminal of band parasitism module - Google Patents
A kind of antenna and mobile terminal of band parasitism module Download PDFInfo
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- CN109742514A CN109742514A CN201811395603.0A CN201811395603A CN109742514A CN 109742514 A CN109742514 A CN 109742514A CN 201811395603 A CN201811395603 A CN 201811395603A CN 109742514 A CN109742514 A CN 109742514A
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Abstract
The invention discloses antennas and mobile terminal with parasitic module, including primary antenna cabling and parasitic module and feed point and grounding point；Antenna holder includes opposite the first side and second side, and feed point is arranged close to the first side；Primary antenna cabling includes the main body for connecting feed point and the first branch, the second branch and the third branch that connect main body, first branch, the second branch and third branch extend from the first side to second side, between the first branch and third branch, the first branch, the second branch and third branch are respectively used to realize first antenna performance, the second antenna performance and third antenna performance the development length of second branch；Grounding point interval is set to feed point side and the first branch of connection；Parasitic module includes the first parasitic element and the second parasitic element positioned at feed point two sides, and the first parasitic element and the second parasitic element are close to primary antenna cabling, realizes antenna performance for coupling with primary antenna cabling.It is an object of the invention to obtain good antenna performance.
Description
Technical field
The present invention relates to antenna technical fields, and in particular to a kind of antenna and mobile terminal of band parasitism module.
Background technique
Antenna is the equipment for sending and receiving signal (electromagnetic wave), is the part for wirelessly communicating most critical.Although antenna
Physical make-up is relatively simple, but its design and construction are complicated, are related to the every aspect of interior of mobile phone environment, needs to consider very
It is multifactor.
In antenna for mobile phone design, conventional IFA (Inverted-F antenna, i.e. inverse-F antenna) or PIFA antenna usually have
Side head hand (left head hand or right head hand) performance is more far short of what is expected than other side, and performance not can guarantee, and especially lean on when antenna
When nearly terminal side setting, medium-high frequency antenna is easy to seek because blocking for hand is severely impacted its performance
More preferably antenna cabling design scheme is looked for, so that left and right head hand there can be good antenna performance.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of antenna with parasitic element and movements eventually
End, to obtain good antenna performance.
In order to achieve the above object of the invention, present invention employs the following technical solutions:
In a general aspect, the present invention provides a kind of antennas of band parasitism module, including being set on antenna holder
Primary antenna cabling and parasitic module and feed point and grounding point；Wherein,
The antenna holder includes opposite the first side and second side, and the feed point is arranged close to first side；
The primary antenna cabling includes the first branch, the second branch for connecting the main body and the connection main body of the feed point
With third branch, wherein first branch, the second branch and third branch extend from first side to second side, institute
The development length of the second branch is stated between first branch and the third branch, first branch, the second branch
It is respectively used to realize first antenna performance, the second antenna performance and third antenna performance with third branch；
The grounding point interval is set to the feed point side and connection first branch；
The parasitism module includes being located at the first parasitic element and the second parasitic element of the feed point two sides, and described first
Parasitic element and second parasitic element are close to the primary antenna cabling, realize day for coupling with the primary antenna cabling
Linear energy.
Preferably, for first parasitic element close to first side, first parasitic element includes the first parasitic point
With the first parasitic cabling, the described first parasitic cabling includes described in the first parasitic main body and connection of the parasitic point of connection described first
The the first parasitic branch and the second parasitic branch of first parasitic main body, the described first parasitic branch and the second parasitic branch
Extending direction is opposite；
For second parasitic element close to described second side, second parasitic element includes the second parasitic point and connection institute
State the second parasitic cabling of the second parasitic point；
Described first parasitic branch and the second parasitic cabling are coupled to realize institute respectively with the primary antenna cabling
Third antenna performance is stated,
Second branch and the primary antenna cabling are coupled to realize second antenna performance.
Preferably, described first low-frequency antenna branch is branched into, described second branches into intermediate frequency antenna branch, the third
Branch into high frequency antenna branch.
Preferably, the low frequency band is 700MHZ~960Mhz, and the intermediate-frequency band is 1700Mhz~2110Mhz, institute
Stating high-frequency band is 2500Mhz~2700Mhz.
Preferably, second branch and the third branch are located at the ipsilateral of first branch, and described first point
Successively relative spacing is arranged for branch, the second branch and third branch.
Preferably, the spacing between first branch and the second branch, between second branch and third branch is
0.4~0.6mm.
Preferably, the antenna holder includes the bending side of a top surface, end face and the connection top surface and end face；Wherein,
First branch includes the first segment on the top surface and the second segment on the end face, and described the
One section of beginning connects the main body, and the end of the first segment connects the beginning of the second segment；
Two branch includes the third section on the bending side and the 4th section on the end face, and described the
Three sections of beginning connects the main body, and the end of the third section connects the 4th section of the beginning；
The third branch includes the 5th section on the end face, and the 5th section of the beginning connects the main body.
Preferably, the described first parasitic main body is located on the top surface and opposite with the main body, and described first parasitic point
Branch and the second parasitic branch are respectively positioned on the end face, the described second parasitic branch is opposite with three branch and end and
The third branches end flushes, and the described first parasitic branch extends away from the described second parasitic branch to first side；
Described second parasitic cabling is located on the top surface and opposite with first branch.
Preferably, the end of the second segment extends to the edge of the end face, and the development length of the second segment accounts for institute
State the one third of antenna holder width.
In another general aspect, the present invention also provides a kind of mobile terminals, parasitic including any of the above-described band
The antenna of module.
Compared with prior art, the antenna with parasitic module of the invention, Mid Frequency performance is by primary antenna cabling and one
Parasitic branch realizes, there is different radiation hot spots, and when manpower holds aerial position in mobile phone, no matter left hand is held or the right hand is held,
All some radiation hot spot will not be held completely by manpower, and more excellent manpower performance thus may be implemented, left
Right hand performance is also more balanced.High band performance is realized, equally by one section of primary antenna cabling, and the parasitic branch in left and right two
There is different radiation hot spots, when left or right hand holds antenna area, the radiation hot spot of the other side plays main radiation effects, can
To guarantee the antenna performance when holding, to obtain all very good performance of right-hand man.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram that the illustrative antenna with parasitic module of the present invention is set on antenna holder；
Fig. 2 is the structural schematic diagram of the illustrative antenna with parasitic module of the present invention；
Fig. 3 is the structural schematic diagram of the illustrative mobile terminal of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is retouched in detail
It states, it is clear that described embodiment is only a part of example of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's every other embodiment obtained without making creative work,
Belong to the scope of the present invention.
Fig. 1 is the structural schematic diagram that the illustrative antenna with parasitic module of the present invention is set on antenna holder.
Fig. 2 is the structural schematic diagram of the illustrative antenna with parasitic module of the present invention.
Referring to figs. 1 and 2, the illustrative antenna with parasitic module of the present invention includes being set up on antenna holder 1
Primary antenna cabling 2 and parasitic module and the connection primary antenna cabling 2 feed point 4 and grounding point 5, the parasitism module uses
Antenna performance is realized in coupling with the primary antenna cabling 2.
Illustratively, the antenna holder 1 and the antenna for the band parasitism module being set up on the antenna holder 1 are set
In in mobile terminal.The antenna holder 1 includes the top surface A opposite with the inner walls of mobile terminal, the bottom with mobile terminal
The bending side C of the opposite end face B of the inner wall at portion or top and the connection top surface A and end face B.The antenna holder 1 also wraps
The first side 11 for being located relatively at 1 two sides of antenna holder and second side 12 are included, the two sides are that antenna holder 1 is placed in movement
Along the two sides of the mobile terminal width when terminal.
Wherein, the feed point 4 and grounding point 5 are located at interval on the top surface A along 1 width direction of antenna holder, and described
Feed point 4 is arranged close to first side 11.As shown in Figure 1, grounding point 5 is located at 4 left side about 10cm of feed point.4 He of feed point
Grounding point 5 is connected on primary antenna cabling 2 simultaneously.Preferably, grounding point 5 connects the first segment 221 of the first branch 22.
First branch 22 of main body 21 and the connection main body 21 of the primary antenna cabling 2 including the connection feed point 4,
Second branch 23 and third branch 24, wherein first branch 22, the second branch 23 and third branch 24 are all connected with the master
Extend after body 21 from first side 11 to described second side 12, the development length of second branch 23 is between described first point
Between branch 22 and the third branch 24.Preferably, second branch 23 and the third branch 24 are located at described first point
Branch 22 it is ipsilateral, and first branch 22, the second branch 23 and third branch 24 successively relative spacing be arranged, it is preferred that institute
It states the spacing between the first branch 22 and the second branch 23 and the spacing between second branch 23 and third branch 24 is 0.4
~0.6mm, preferably 0.5mm or so.
Wherein, first branch 22, the second branch 23 and third branch 24 are respectively used to realize first antenna performance, the
Two antenna performances and third antenna performance.Preferably, first branch 22 is low-frequency antenna branch, and second branch 23 is
Intermediate frequency antenna branch, the third branch 24 are high frequency antenna branch.Preferably, the low frequency band be 700MHZ~
960Mhz, the intermediate-frequency band are 1700Mhz~2110Mhz, and the high-frequency band is 2500Mhz~2700Mhz.
Specifically, after the main body 21 connects the feed point 4, enter end face B after extending to bending side C.
First branch 22 includes the first segment 221 on the top surface A and the second segment on the end face B
222, the beginning of the first segment 221 connects the main body 21, and end is at the bending side C after the first segment 221 extends
The beginning of the second segment 222 is connected, the end of the second segment 222 extends to the edge of antenna holder 1.Preferably, described
The development length of second segment 222 accounts for the one third of 1 width of antenna holder.The whole trace width of first branch 22 all compares
Width, it is whole all in 2mm or more, especially need to be paved with entire bracket end face B on bracket end face part B cabling, width.
Second branch 23 includes the third section 231 on the bending side C and the on the end face B the 4th
Section 232, the beginning of the third section 231 connect the main body 21, and end is in the bending side C after the third section 231 extends
Place connects the 4th section 232 of the beginning.Wherein, the third section 231 and the 4th section of 232, institute opposite with the first segment 221
It states third section 231 and the 4th section 232 of extension distance is less than first segment 221.
The third branch 24 includes the 5th section on the end face B, and the 5th section of the beginning connects the master
Body 21, the 5th section of the end extend to described second side 12, and the 5th section of the development length is less than the third section
231, and it is opposite with the third section 231.
Wherein, the parasitic module includes the first parasitic element 31 and the second parasitic element positioned at 4 two sides of feed point
32, first parasitic element 31 and second parasitic element 32 are close to the primary antenna cabling 2, are used for and the main day
Antenna performance is realized in the coupling of line cabling 2.
Specifically, for first parasitic element 31 close to first side 11, first parasitic element 31 includes first
Parasitism point 311 and the first parasitic cabling 312, the described first parasitic cabling 312 include connect the described first parasitic point 311 first
Parasitic main body 312-1 and the first parasitism branch 312-2 and the second parasitism branch 312- for connecting the described first parasitic main body 312-1
The extending direction of 3, the first parasitism branch 312-2 and the second parasitism branch 312-3 are opposite.
For second parasitic element 32 close to described second side 12, second parasitic element 32 includes the second parasitic point
321 put 321 the second parasitic cabling 322 with connection second parasitism.
Wherein, the first parasitism branch 312-2 and the second parasitic cabling 322 respectively with the primary antenna cabling 2
It is coupled to realize the third antenna performance.Second branch 23 is coupled to described in realization with the primary antenna cabling 2
Second antenna performance.
Illustratively, the first parasitism main body 312-1 is located on the top surface A and opposite with the main body 21, described
First parasitism branch 312-2 and the second parasitism branch 312-3 are respectively positioned on the end face B, the described second parasitic branch
312-3 is opposite with three branch and end is flushed with 24 end of third branch, and the first parasitism branch 312-2 deviates from
The second parasitism branch 312-3 extends to first side 11.
The second parasitic cabling 322 be located on the top surface A and with first branch 22 relatively.
Embodiment 1
Shown in referring to Figures 1 and 2, the antenna with parasitic module of the present embodiment includes a feed point 4, the feed point 4
In 1 side of bracket (first side 11 on right side) position.Apart from the general 10mm of feed point 4 or so distance, there is a grounding point 5.Ground connection
Point 5 and feed point 4 are connected on primary antenna cabling 2 simultaneously.
Cabling main body 21 comes out from antenna feed point 4, substantially connects 3 branches.First branch 22, after connecting main body 21, to
5 direction cabling of grounding point continues after connecting grounding point 5 to 1 other side of bracket (second side 12 in left side) cabling, in bracket 1
At 2/3rds, cabling is folded to 1 end face of bracket, and goes to 1 edge of bracket along 1 end face of bracket.First branch, 22 entirety walks line width
Degree is all wider, whole all in 2mm or more, especially needs to be paved with entire 1 end of bracket on 1 end face part cabling of bracket, width
Face.This part cabling is mainly used to realize low-frequency antenna performance, 700MHZ~960Mhz.Low frequency cabling on 1 top surface of bracket,
As close as possible to 1 endface position of bracket, low frequency bandwidth can also be allowed wider.
A distance, general 10mm or so are walked along 1 crest line (bending side C) of bracket after connecting main body 21 by second branch 23,
Then 1 end face cabling of bracket is arrived, goes to 1 middle position of bracket along 1 end face of bracket.Second branch, 23 trace width 1.5mm or so,
Having the position in space on bracket 1 can suitably widen, and in terminal position since USB interface occupies 1 face of bracket, trace width can
Suitably to reduce.Second branch 23 and the general 0.5mm of 22 spacing of the first branch or so.This part cabling is mainly used to realize intermediate frequency
Antenna performance, 1700Mhz~2110Mhz.Intermediate frequency cabling will affect the beamwidth of antenna at a distance from low frequency cabling, can be according to reality
Situation is adjusted the gap between Liang Ge branch cabling.Intermediate frequency cabling end and cabling main body, can be on 1 end face of bracket
Advanced optimize antenna intermediate-frequency bandwidth.
Third branch 24, cabling mainly on 1 end face of bracket, after connecting main body 21, extend to 1 end face of bracket, then edge
Bracket extends on 1 end face, walks one section of general 8mm or so cabling.Third branch 24 and the second branch 23 are left apart from general 0.5mm
It is right.This part cabling is mainly used to enhance the high-frequency band beamwidth of antenna and efficiency, 2500Mhz~2700Mhz.
Distance 1.5mm or so on the side of feed point 4 has one first parasitic point 311, cabling since the first parasitic point 311,
To 1 end face cabling of bracket, after reaching 1 end face of bracket, cabling is divided into 2 branches, (parasitic a branch of the first of right side, branch
312-2), along 1 end face of bracket to 1 edge cabling of bracket, another branch (the second parasitism branch 312-3 in left side), edge is propped up
1 end face of frame cabling round about, parallel with above-mentioned third branch 24, end is substantially flush with third branch 24.Parasitic cabling
Width 1.2mm or so.Distance 0.4mm or so between third branch 24.
Branch's cabling (the i.e. first parasitism branch 312-2) that 1 edge of bracket is wherein gone to along 1 end face of bracket, and from feed point 4
It is coupled between the primary antenna cabling 2 of beginning, forms high-frequency band antenna resonance, realize performance, 2500Mhz~2700Mhz frequency range.
Another branch's cabling (the i.e. second parasitism branch 312-3), couples between primary antenna cabling 2, is mainly used to
Enhance intermediate-frequency band antenna performance.
There is second parasitic point apart from general 33mm of feed point 4 or so in 1 other side of bracket (second side 12 in left side)
321, cabling, with 2mm width cabling, walks the general 6mm of a segment length along the extending direction of the first branch 22 since parasitism point 321
Cabling.This section of cabling is coupled with the primary antenna cabling 2 since feed point 4, be similarly formed high band 2500Mhz~
2700Mhz antenna performance.
It is exemplary referring to shown in Fig. 3, the present invention also provides a kind of mobile terminal, the mobile terminal include shell 100 and
The antenna holder 11 that is placed in the shell 100 and described above on the antenna holder 11 is set up in parasitic module
Antenna, wherein the two sides (the first side 11 and second side 12) of the antenna holder 11 respectively with the mobile terminal shell 100
The two sides of width direction are opposite.
Antenna with parasitic module of the invention, Mid Frequency performance realize have by primary antenna cabling and a parasitic branch
Different radiation hot spots, when manpower holds aerial position in mobile phone, no matter left hand is held or the right hand is held, all some radiant heat
Point will not be held completely by manpower, and more excellent manpower performance thus may be implemented, and right-hand man's performance is also relatively more equal
Weighing apparatus.High band performance realizes equally there is different radiation hot spots by one section of primary antenna cabling, and the parasitic branch in left and right two,
When left or right hand holds antenna area, the radiation hot spot of the other side plays main radiation effects, it is ensured that when holding
Antenna performance, to obtain all very good performance of right-hand man.
That disclosed is the one or more of preferred embodiment, all local change or modification and be derived from this hair
Bright technical idea and be to be familiar with the people of this technology to be easy to deduce, do not depart from patent right range of the invention all.
Claims (10)
1. a kind of antenna of band parasitism module, which is characterized in that including the primary antenna cabling and parasitic mode being set on antenna holder
Block and feed point and grounding point；Wherein,
The antenna holder includes opposite the first side and second side, and the feed point is arranged close to first side；
The primary antenna cabling includes the first branch of main body and the connection main body for connecting the feed point, the second branch and the
Three branches, wherein first branch, the second branch and third branch extend from first side to second side, and described the
The development length of two branches is between first branch and the third branch, first branch, the second branch and
Three branches are respectively used to realize first antenna performance, the second antenna performance and third antenna performance；
The grounding point interval is set to the feed point side and connection first branch；
The parasitism module includes the first parasitic element and the second parasitic element positioned at the feed point two sides, and described first is parasitic
Unit and second parasitic element are close to the primary antenna cabling, realize that it is linear for coupling with the primary antenna cabling
Energy.
2. the antenna of band parasitism module according to claim 1, which is characterized in that
For first parasitic element close to first side, first parasitic element includes that the first parasitic point and the first parasitism are walked
Line, the described first parasitic cabling include the first parasitic main body of the parasitic point of connection described first and connect the described first parasitic main body
The first parasitic branch and the second parasitic branch, the extending direction phase of the described first parasitic branch and the second parasitic branch
Instead；
Close to described second side, second parasitic element includes the second parasitic point and connects described the second parasitic element
Second parasitic cabling of 2 parasitic points；
The first parasitic branch and the second parasitic cabling are coupled to realize respectively with the primary antenna cabling described the
Triantennary performance,
Second branch and the primary antenna cabling are coupled to realize second antenna performance.
3. the antenna of band parasitism module according to claim 1 or 2, which is characterized in that described first branches into low frequency day
Line branch, described second branches into intermediate frequency antenna branch, and the third branches into high frequency antenna branch.
4. the antenna of band parasitism module according to claim 3, which is characterized in that the low frequency band be 700MHZ~
960Mhz, the intermediate-frequency band are 1700Mhz~2110Mhz, and the high-frequency band is 2500Mhz~2700Mhz.
5. the antenna of band parasitism module according to claim 2, which is characterized in that second branch and the third point
Branch is located at the ipsilateral of first branch, and successively relative spacing is arranged for first branch, the second branch and third branch.
6. the antenna of band parasitism module according to claim 5, which is characterized in that first branch and the second branch it
Between, the spacing between second branch and third branch be 0.4~0.6mm.
7. the antenna of band parasitism module according to claim 5, which is characterized in that the antenna holder include a top surface,
The bending side of end face and the connection top surface and end face；Wherein,
First branch includes the first segment on the top surface and the second segment on the end face, the first segment
Beginning connect the main body, the end of the first segment connects the beginning of the second segment；
Two branch includes the third section on the bending side and the 4th section on the end face, the third section
Beginning connect the main body, the end of the third section connects the 4th section of the beginning；
The third branch includes the 5th section on the end face, and the 5th section of the beginning connects the main body.
8. the antenna of band parasitism module according to claim 7, which is characterized in that
The first parasitic main body is located on the top surface and opposite with the main body, the first parasitism branch and described the
Two parasitic branches are respectively positioned on the end face, and the described second parasitic branch is opposite with three branch and end and the third are divided
Branch end flushes, and the described first parasitic branch extends away from the described second parasitic branch to first side；
Described second parasitic cabling is located on the top surface and opposite with first branch.
9. the antenna of band parasitism module according to claim 7 or 8, which is characterized in that the end of the second segment extends
To the edge of the end face, the development length of the second segment accounts for the one third of the antenna holder width.
10. a kind of mobile terminal, which is characterized in that including the antenna with parasitic module as described in claim 1~9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395603.0A CN109742514A (en) | 2018-11-22 | 2018-11-22 | A kind of antenna and mobile terminal of band parasitism module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395603.0A CN109742514A (en) | 2018-11-22 | 2018-11-22 | A kind of antenna and mobile terminal of band parasitism module |
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| Publication Number | Publication Date |
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| CN109742514A true CN109742514A (en) | 2019-05-10 |
Family
ID=66357047
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811395603.0A Pending CN109742514A (en) | 2018-11-22 | 2018-11-22 | A kind of antenna and mobile terminal of band parasitism module |
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| CN111082205A (en) * | 2019-12-06 | 2020-04-28 | 惠州Tcl移动通信有限公司 | Antenna and electronic equipment |
| CN112003019A (en) * | 2020-08-27 | 2020-11-27 | 维沃移动通信有限公司 | Antenna structure and electronic equipment |
| CN112186334A (en) * | 2019-07-03 | 2021-01-05 | 亚旭电脑股份有限公司 | Multi-frequency antenna module |
| CN114552173A (en) * | 2020-11-25 | 2022-05-27 | 北京小米移动软件有限公司 | Antenna structure and electronic device |
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Application publication date: 20190510 |