CN106981724A - Antenna and mobile terminal - Google Patents
Antenna and mobile terminal Download PDFInfo
- Publication number
- CN106981724A CN106981724A CN201710043052.0A CN201710043052A CN106981724A CN 106981724 A CN106981724 A CN 106981724A CN 201710043052 A CN201710043052 A CN 201710043052A CN 106981724 A CN106981724 A CN 106981724A
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- Prior art keywords
- antenna
- point
- shell
- earth point
- metal
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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
- H01Q1/44—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
- H01Q1/36—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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application is related to radio frequency arts, more particularly to a kind of antenna and mobile terminal.Antenna includes shell, substrate, tuning switch, USB interface and electric-conductor after metal, substrate is provided with distributing point, the first earth point and the second earth point, the bottom of distributing point, the first earth point and the second earth point respectively with shell after metal is connected, make bottom as radiant body, form first antenna unit, the second antenna element and third antenna unit；First earth point is also parallel with tuning switch, and electric-conductor, USB interface and substrate stack gradually connection, and along the direction of stacking, spaced between electric-conductor and bottom, USB interface, electric-conductor are coupled with bottom.The application can adjust the frequency range of the second antenna element by adjusting the thickness of electric-conductor；And the frequency range of first antenna unit and the frequency range of the second antenna element can be adjusted by tuning switch, it is achieved thereby that being adjusted while multiple antenna elements.
Description
Technical field
The application is related to radio frequency arts, more particularly to a kind of antenna and mobile terminal.
Background technology
Existing mobile terminal, such as mobile phone, its antenna generally include metal shell, substrate and antenna element, substrate connection
In metal shell, and substrate is provided with distributing point and earth point, and distributing point is connected with antenna element respectively with earth point.
This structure, is provided only with an earth point, makes the resonant frequency of antenna limited between antenna element and substrate, it is impossible to
It is adjusted, so that application is restricted.
The content of the invention
This application provides a kind of antenna and mobile terminal, above mentioned problem can solve the problem that.
The first aspect of the application provides a kind of antenna, including shell after metal, substrate, tuning switch, USB interface and
Electric-conductor,
After the metal shell include top, middle part and bottom, between the bottom and the middle part, the top with it is described
Gap is left between middle part；
The substrate be provided with distributing point, the first earth point and the second earth point, the distributing point, first earth point and
Second earth point is connected with the bottom respectively, makes the bottom as radiant body, formed first antenna unit, second day
Line unit and third antenna unit；
First earth point is also parallel with the tuning switch, for adjust the first antenna unit frequency range and
The frequency range of second antenna element；
The electric-conductor, the USB interface are stacked gradually with the substrate and are connected, and along the direction of the stacking, it is described
Spaced between electric-conductor and the bottom, the USB interface, the electric-conductor are coupled with the bottom, for adjusting
State the frequency range of third antenna unit.
Preferably, the substrate is additionally provided with multiple rear shell earth points, and each rear shell earth point connects with the middle part respectively
Connect, so that the middle part is formed systematically.
Preferably, in addition to elastic metallic post, between the rear shell earth point and the middle part, first earth point with
At least one is connected by the elastic metallic post between the bottom, elastic force direction and the layer of the elastic metallic post
Folded direction is parallel.
Preferably, in addition to center, the center is connected with shell after the metal so that it is described systematically include it is described in
Frame.
Preferably, in addition to metal shell foot, between the distributing point and the bottom, second earth point and the bottom
At least one is connected by the metal shell foot between portion and after the center and the metal between shell, the metal shell foot
Elastic force direction it is parallel with the direction of the stacking.
Preferably, the bottom includes first end and the second end, and the tuning switch is located at the first end and the feedback
Between electricity point；The Net long wave radiation path of the first antenna unit is：It is located at the first end and the feed on the bottom
Part between point, the frequency range of the first antenna unit is 824MHz~960MHz.
Preferably, the USB interface is located between the tuning switch and the distributing point, second antenna element
Net long wave radiation path is：It is located at the part between the first end and the distributing point, the second antenna list on the bottom
The frequency range of member is 1710MHz~2170MHz.
Preferably, the Net long wave radiation path of the third antenna unit is：It is located at the distributing point and institute on the bottom
The part between the second end is stated, the frequency range of the third antenna unit is 2300MHz~2690MHz.
Preferably, the electric-conductor is conducting foam.
The second aspect of the application provides a kind of mobile terminal, including the as above antenna described in any one.
The technical scheme that the application is provided can reach following beneficial effect：
Antenna provided herein, substrate sets two earth points：First earth point and the second earth point, connect first
Place sets tuning switch, and increases USB interface and electric-conductor, by the connection of USB interface and electric-conductor, make USB interface with
Electric-conductor integrally as the height adjustable of radiant body, to adjust the two interval with bottom, and then adjusts the second antenna element
Frequency range；And the frequency range of first antenna unit and the frequency range of the second antenna element can be adjusted by tuning switch, so as to realize
Adjusted while multiple antenna elements, efficiently solve narrow bandwidth, the problem of frequency range is difficult to covering.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of antenna provided herein；
Fig. 2 is a kind of return loss plot of specific embodiment of antenna provided herein；
Fig. 3 is a kind of radiation efficiency figure of specific embodiment of antenna provided herein.
Reference：
Shell after 10- metals；11- bottoms；In the middle part of 12-；13- gaps；
20- centers；
30- substrates；The earth points of 31- second；32- distributing points；The earth points of 33- first；Shell earth point after 34-；
40- metal shell foots；
50- elastic metallic posts；
60-USB interfaces；
70- electric-conductors.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
The embodiment of the present application provides a kind of mobile terminal, such as mobile phone, including antenna.As shown in figure 1, antenna includes metal
Shell 10, substrate 30, tuning switch, USB interface 60 and electric-conductor 70 afterwards.Generally, shell 10 is three stage structure after metal, that is, is wrapped
Top (not shown), middle part 12 and bottom 11 are included, seam is left between bottom 11 and middle part 12, between top and middle part 12
Gap 13, bottom 11 includes the bottom plate relative with substrate 30, and is connected to the side plate at the edge of bottom plate, sometimes top or bottom 11
Dowel is additionally provided between middle part 12.
Clearance zone is provided with the extended surface of substrate 30, clearance zone is relative with bottom 11.Specifically, substrate 30 is provided with feed
Point the 32, first earth point 33 and the second earth point 31, distributing point 32, the first earth point 33 and the second earth point 31 respectively with bottom
11 connections, usually, the diverse location of the first earth point 33 and the second earth point 31 respectively with bottom 11 is connected, the first earth point
33rd, the second earth point 31 is located at the homonymy of distributing point 32, and the first earth point 33 compared with the second earth point 31 close to distributing point 32, with
Make bottom 11 as radiant body, form first antenna unit, the second antenna element and third antenna unit.Further, first
Earth point 33 is also parallel with tuning switch, i.e. the first earth point 33 and is connected by tuning switch with bottom 11, the first tuning switch
Can be inductance tuning switch, or capacitance tuning is switched, so that different match circuits is connected with bottom 11, for adjusting
The frequency range of whole first antenna unit and the frequency range of the second antenna element.Usual antenna is also included systematically, the first earth point 33,
Second earth point 31 is with being systematically connected.
USB interface 60 is arranged on substrate 30, to facilitate communication.Electric-conductor 70, USB interface 60 are stacked gradually with substrate 30
Connection, and along the direction of stacking, it is spaced between electric-conductor 70 and bottom 11, i.e., when provided with bottom plate, electric-conductor 70 and bottom
Plate is not contacted, spaced therebetween, is made USB interface 60, electric-conductor 70 as an entirety, is coupled with bottom 11, i.e. USB
Interface 60 is with electric-conductor 70 as radiant body, and by adjusting the thickness of electric-conductor 70, (thickness refers to shell 10 after metal of electric-conductor 70
Thickness direction on size) control interval thickness direction size, and then adjust third antenna unit frequency range.
Above-mentioned antenna, the first earth point 33 and the second earth point 31 are set in substrate 30, are set and are adjusted in the first earth point 33
Humorous switch, and increase USB interface 60 and electric-conductor 70, by the thickness for adjusting electric-conductor 70, you can adjustment USB interface 60 is with leading
The overall height as radiant body of electric part 70 (highly refers to USB interface 60 and electric-conductor 70 after metal on the thickness direction of shell 10
Size), the different sizes being spaced between the radiant body and bottom plate are realized, to adjust the frequency range of third antenna unit；And pass through
The different gears of tuning switch, can adjust the frequency range of first antenna unit and the frequency range of the second antenna element, so as to realize
Adjusted while multiple antenna elements, efficiently solve narrow bandwidth, the problem of frequency range is difficult to covering.
In order that middle part 12 is preferably grounded, so that with forming said system, substrate 30 is additionally provided with multiple rear shell earth points 34,
Afterwards shell earth point 34 can provided with two, three or more, can be with as shown in figure 1, show shell earth point 34 after three
Understand ground, five, six or more rear shell earth points 34 can be provided with substrate 30, and each rear shell earth point 34 is distinguished
It is connected with the diverse location at middle part 12, so that each earth point ground connection is more reliable, increases the stability of antenna performance.
Due to error can be produced unavoidably in manufacture and assembling process, therefore, want to ensure that shell 10 is pacified with substrate 30 after metal
After dress, the reliability that distributing point 32, the first earth point 33, the second earth point 31 are connected with shell after metal 10, rear shell earth point 34
At least one is connected by elastic metallic post 50 between middle part 12, between the first earth point 33 and bottom 11, that is to say, that can
To be connected between shell earth point 34 and middle part 12 by elastic metallic post 50 after only, or only the first earth point 33 and bottom 11 it
Between connected by elastic metallic post 50；Usually, between rear shell earth point 34 and middle part 12, the first earth point 33 and bottom 11 it
Between connected by elastic metallic post 50, the elastic force direction of elastic metallic post 50 is parallel with the direction of above-mentioned stacking.Usually exist
Distributing point 32, the first earth point 33, elastic metallic post 50 is connected at the second earth point 31, with shell 10 and base after metal
After plate 30 is fastened, in the presence of elastic force, elastic metallic post 50 leans with shell after metal 10, realizes after substrate 30 and metal
The reliability that shell 10 is connected.
Usually, antenna also includes center 20, and center 20 is connected with shell after metal 10, center 20 is also served as systematically,
And then formation is more stable systematically, increase the stability of antenna performance.Wherein, the link position of center 20 and shell 10 after metal
One or more can be provided with, as shown in figure 1, the embodiment of two positions is given, it is relative with middle part 12 positioned at center 20
Two positions.
Alternatively, between distributing point 32 and bottom 11, between the second earth point 31 and bottom 11 and center 20 and metal
At least one is connected by metal shell foot 40 between shell 10 afterwards, that is to say, that can only between distributing point 32 and bottom 11, second
Pass through metal shell foot 40 one of between shell 10 or both between earth point 31 and bottom 11 and after center 20 and metal
Connection, can also three connected by metal shell foot 40, wherein, the elastic force direction of metal shell foot 40 and the side of above-mentioned stacking
To parallel, metal shell foot 40 is connected to the second earth point 31, the distributing point 32 of center 20 or substrate 30, in center 20, substrate
30 with shell 10 after metal when fastening, and metal shell foot 40 realizes the connection of center 20 and shell 10 after metal against shell after metal 10, with
The reliability that increase substrate 30, center 20 are connected with shell after metal 10.
It should be noted that between distributing point 32 and bottom 11, between the second earth point 31 and bottom 11, center 20 and gold
It can also be connected after category between shell 10 by elastic metallic post 50, between rear shell earth point 34 and middle part 12, the first earth point 33
It can also be connected between bottom 11 by metal shell foot 40, certainly, between rear shell earth point 34 and middle part 12, the first earth point
Between 33 and bottom 11, between distributing point 32 and bottom 11, between the second earth point 31 and bottom 11, center 20 and shell after metal
It can also be directly connected to, or be connected by other structures between 10.
Further, generally there is plastic parts between shell 10 after electric-conductor 70 and metal, to facilitate fixed cellular terminal
Interior each structure, in order to ensure USB interface 60, electric-conductor 70 as the interval between shell 10 after entirety and metal, electric-conductor 70
Usually elect conducting foam as, and in installation process or during use, conducting foam can play a part of buffering, reduce
Damage to USB interface 60.
In the various embodiments described above, the frequency range of first antenna unit is 824MHz~960MHz, the frequency range of the second antenna element
For 1710MHz~2170MHz, the frequency range of third antenna unit is 2300MHz~2690MHz.
Specifically, bottom 11 includes first end and the second end, i.e. edge of the bottom 11 along side plate and is provided with two ends, and respectively the
One end and the second end.In order that the performance of antenna is more preferably, tuning switch is located between first end and distributing point 32, makes first antenna
The Net long wave radiation path of unit is：It is located at the part between first end and distributing point 32, i.e. bottom 11 on bottom 11 and is located at first
The part between distributing point 32 is held as the main radiator of first antenna unit.
USB interface 60 is located between tuning switch and distributing point 32, and the Net long wave radiation path for making the second antenna element is：Bottom
It is located at the part between first end and distributing point 32 in portion 11, i.e., the part that bottom 11 is located between first end and distributing point 32 is same
When also as the main radiator of the second antenna element.
The Net long wave radiation path of third antenna unit is：It is located at the part between the end of distributing point 32 and second on bottom 11,
I.e. bottom 11 is located at the part between the second end and distributing point 32 as the main radiator of third antenna unit.
Using the antenna of said structure, its return loss plot as shown in Fig. 2 showing tuning switch in three states in figure
When return loss situation, as seen from the figure, by adjusting three states of tuning switch, low-frequency range (i.e. can be adjusted
One antenna element) and Mid Frequency (i.e. the band limits of the second antenna element), the frequency range of low-frequency range can be covered
698MHz-960MHz, efficiently solves the problem of narrow bandwidth, frequency range are difficult to covering.
Antenna efficiency figure is as shown in figure 3, wherein aterrimus solid line, aterrimus dotted line and light grey dotted line represent tune respectively
Antenna efficiency of the humorous switch in three gears, as seen from the figure, by switching the gear of tuning switch, can effectively distribute frequency
Section, it is ensured that carrier aggregation can reach requirement, and then be adjusted to efficiency preferably state, to meet customer need.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of antenna, it is characterised in that including shell, substrate, tuning switch, USB interface and electric-conductor after metal,
Shell includes top, middle part and bottom after the metal, between the bottom and the middle part, the top and the middle part
Between leave gap；
The substrate is provided with distributing point, the first earth point and the second earth point, the distributing point, first earth point and described
Second earth point is connected with the bottom respectively, is made the bottom as radiant body, is formed first antenna unit, the second antenna list
Member and third antenna unit；
First earth point is also parallel with the tuning switch, for adjusting the frequency range of the first antenna unit and described
The frequency range of second antenna element；
The electric-conductor, the USB interface are stacked gradually with the substrate and are connected, and along the direction of the stacking, the conduction
Spaced between part and the bottom, the USB interface, the electric-conductor are coupled with the bottom, for adjusting described
The frequency range of triantennary unit.
2. antenna according to claim 1, it is characterised in that the substrate is additionally provided with multiple rear shell earth points, each described
Shell earth point is connected with the middle part respectively afterwards, so that the middle part is formed systematically.
3. antenna according to claim 2, it is characterised in that also including elastic metallic post, the rear shell earth point and institute
State between middle part, between first earth point and the bottom at least one connected by the elastic metallic post, the bullet
The elastic force direction of property metal column is parallel with the direction of the stacking.
4. antenna according to claim 2, it is characterised in that also including center, the center connects with shell after the metal
Connect, so that described systematically include the center.
5. antenna according to claim 4, it is characterised in that also including metal shell foot, the distributing point and the bottom
Between, at least one passes through institute between second earth point and the bottom and after the center and the metal between shell
The connection of metal shell foot is stated, the elastic force direction of the metal shell foot is parallel with the direction of the stacking.
6. antenna according to claim 1, it is characterised in that the bottom includes first end and the second end, the tuning
Switch is located between the first end and the distributing point；The Net long wave radiation path of the first antenna unit is：The bottom
The upper part being located between the first end and the distributing point, the frequency range of the first antenna unit for 824MHz~
960MHz。
7. antenna according to claim 6, it is characterised in that the USB interface is located at the tuning switch and the feedback
Between electricity point, the Net long wave radiation path of second antenna element is：It is located at the first end and the feed on the bottom
Part between point, the frequency range of second antenna element is 1710MHz~2170MHz.
8. antenna according to claim 7, it is characterised in that the Net long wave radiation path of the third antenna unit is：Institute
The part being located on bottom between the distributing point and second end is stated, the frequency range of the third antenna unit is 2300MHz
~2690MHz.
9. antenna according to claim 1, it is characterised in that the electric-conductor is conducting foam.
10. a kind of mobile terminal, it is characterised in that including the antenna as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043052.0A CN106981724B (en) | 2017-01-19 | 2017-01-19 | Antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043052.0A CN106981724B (en) | 2017-01-19 | 2017-01-19 | Antenna and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106981724A true CN106981724A (en) | 2017-07-25 |
| CN106981724B CN106981724B (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710043052.0A Expired - Fee Related CN106981724B (en) | 2017-01-19 | 2017-01-19 | Antenna and mobile terminal |
Country Status (1)
| Country | Link |
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Cited By (8)
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| CN108288749A (en) * | 2018-01-30 | 2018-07-17 | 瑞声科技(新加坡)有限公司 | A kind of antenna system and mobile terminal |
| CN108470982A (en) * | 2018-03-22 | 2018-08-31 | 深圳捷豹电波科技有限公司 | Antenna modules and mobile terminal for mobile terminal |
| CN109040352A (en) * | 2018-06-12 | 2018-12-18 | Oppo广东移动通信有限公司 | Aerial position method of adjustment, device, mobile terminal and storage medium |
| CN110381683A (en) * | 2019-07-09 | 2019-10-25 | Oppo（重庆）智能科技有限公司 | Earthing member, shell and electronic device |
| WO2020024671A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Antenna system and mobile temrinal |
| CN111769849A (en) * | 2020-06-05 | 2020-10-13 | Oppo广东移动通信有限公司 | Communication apparatus, control method, control apparatus, mobile terminal, and storage medium |
| US11664831B2 (en) | 2019-12-31 | 2023-05-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio frequency assembly and electronic device |
| US12101113B2 (en) | 2019-12-31 | 2024-09-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio frequency module, control method, and electronic device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288749A (en) * | 2018-01-30 | 2018-07-17 | 瑞声科技(新加坡)有限公司 | A kind of antenna system and mobile terminal |
| CN108470982A (en) * | 2018-03-22 | 2018-08-31 | 深圳捷豹电波科技有限公司 | Antenna modules and mobile terminal for mobile terminal |
| CN109040352A (en) * | 2018-06-12 | 2018-12-18 | Oppo广东移动通信有限公司 | Aerial position method of adjustment, device, mobile terminal and storage medium |
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| CN110381683A (en) * | 2019-07-09 | 2019-10-25 | Oppo（重庆）智能科技有限公司 | Earthing member, shell and electronic device |
| US11664831B2 (en) | 2019-12-31 | 2023-05-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio frequency assembly and electronic device |
| US12101113B2 (en) | 2019-12-31 | 2024-09-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio frequency module, control method, and electronic device |
| CN111769849A (en) * | 2020-06-05 | 2020-10-13 | Oppo广东移动通信有限公司 | Communication apparatus, control method, control apparatus, mobile terminal, and storage medium |
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| CN106981724B (en) | 2020-11-17 |
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