CN106229670A - A kind of dual-antenna system being applicable to syllogic metal fuselage and mobile terminal - Google Patents
A kind of dual-antenna system being applicable to syllogic metal fuselage and mobile terminal Download PDFInfo
- Publication number
- CN106229670A CN106229670A CN201610886165.2A CN201610886165A CN106229670A CN 106229670 A CN106229670 A CN 106229670A CN 201610886165 A CN201610886165 A CN 201610886165A CN 106229670 A CN106229670 A CN 106229670A
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- Prior art keywords
- metallic object
- antenna
- grounding parts
- applicable
- dual
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Classifications
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- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Waveguide Aerials (AREA)
Abstract
The invention provides a kind of dual-antenna system being applicable to syllogic metal fuselage, this system includes pcb board, is respectively equipped with the first metallic object, the second metallic object on pcb board, connected by the first grounding parts, the second grounding parts between described first metallic object and the second metallic object, it is provided with gap between first grounding parts and the second grounding parts, form the first slot antenna of rim openings between described first metallic object, the first grounding parts and the second metallic object, between described first metallic object, the second grounding parts and the second metallic object, form the second slot antenna of rim openings.Present invention also offers a kind of mobile terminal.Compared with prior art, compared with prior art, by forming notching construction between two metallic objects, thus constitute two fluting (slot) antennas, one of them is intermediate frequency antenna, and another is low-and high-frequency antenna, so can reduce radio frequency link loss, and also reduce the cost of radio frequency back segment, improve the radiance index of complete machine antenna.
Description
Technical field
The present invention relates to antenna technology, a kind of dual-antenna system being applicable to syllogic metal fuselage and movement are eventually
End.
Background technology
At present, increasing terminal uses the metallic fuselage designs of syllogic, the most still uses inverted f (IFA
(Inverted-F Antenna)), the annular traditional antenna such as (LOOP) or one pole (monopole) design.It addition, terminal sets
Meter more and more has carrier aggregation (CA) demand of various frequency range, if only use an antenna, the demand of CA all by
Radio frequency rear end (radio frequency rear end includes RF circuit, which includes radio-frequency (RF) switch, duplexer etc.) realizes, and can cause bigger link
Loss.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention provide a kind of dual-antenna system being applicable to syllogic metal fuselage and
Mobile terminal, thus reduce link load.
The invention provides a kind of dual-antenna system being applicable to syllogic metal fuselage, this system include pcb board,
The first metallic object, the second metallic object it is respectively equipped with, between being provided with between described first metallic object and the second metallic object on pcb board
Gap, is connected by the first grounding parts, the second grounding parts between described first metallic object and the second metallic object, the first grounding parts and the
It is provided with gap between two grounding parts, between described first metallic object, the first grounding parts and the second metallic object, forms rim openings
The first slot antenna, form the second of rim openings between described first metallic object, the second grounding parts and the second metallic object
Slot antenna, described first metallic object by the first feeding transmission line through the first switch and matching network and the first current feed department
Connect；Described first metallic object by the second feeding transmission line through second switch and matching network and the second current feed department company
Connect；Having via on described pcb board, the first current feed department is by the first coupling device through hole ground connection, and the second current feed department is by the
Two coupling devices are through hole ground connection；Pcb board is respectively equipped with through the first Lou Tong district that conductive material and the first metallic object connect,
Also pass through through the second Lou Tong district that conductive material and the first metallic object connect, described first coupling device and the second coupling device
Hole is connected with the first metallic object.
Further, the slotting length of described first slot antenna is less than the slotting length of the second slot antenna.
Further, there is height between described first current feed department, the second current feed department and the first metallic object, the second metallic object
Difference.
Further, the difference in height between described first current feed department, the second current feed department and the first metallic object, the second metallic object
For 0.8-1mm.
Further, described first Lou Tong district and the second Lou Tong district are arranged on pcb board and open away from the first slot antenna
On the position of groove and the second slot antenna fluting.
Further, described first Lou Tong district and the second Lou Tong district are positioned at pcb board and the relative side of the first metallic object
On face.
Further, the slotting length of described first slot antenna is 24mm；The slotting length of the second slot antenna is
48mm。
Present invention also offers a kind of mobile terminal, also include the described double antenna system being applicable to syllogic metal fuselage
System.
The present invention compared with prior art, by forming notching construction between two metallic objects, thus constitutes two and opens
Groove (slot) antenna, one of them is intermediate frequency antenna, and another is low-and high-frequency antenna, so can reduce radio frequency link loss,
And also reduce the cost of radio frequency back segment, improve complete machine antenna radiation performance index.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of pcb board of the present invention.
Attachment structure schematic diagram between Fig. 3 present invention the first metallic object and the second metallic object.
Fig. 4 is the present invention the first metallic object, the second metallic object and the first current feed department and the position relationship of the second current feed department
Figure.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the dual-antenna system being applicable to syllogic metal fuselage of the present invention includes the nugget genus of pcb board 6, two
Body, the respectively first metallic object 10 and two metallic objects 11, wherein, pcb board 1 overlaps with first metallic object the 10, second metallic object 11
Together.
As it is shown on figure 3, be provided with gap between the first metallic object 10 and the second metallic object 11, the first metallic object 10 and second
Metallic object 11 is connected, between the first grounding parts 14 and the second grounding parts 15 by the first grounding parts 14 and the second grounding parts 15 respectively
Being provided with gap, the first grounding parts 14 and the second grounding parts 15 are arranged on the first metallic object 10 and left side of the second metallic object 11,
The first slot antenna 1 of rim openings is formed between described first metallic object the 10, first grounding parts 14 and the second metallic object 11,
The second slot antenna 2 of rim openings is formed between described first metallic object the 10, second grounding parts 15 and the second metallic object 11,
First slot antenna 1 realizes intermediate frequency 1710-2170MHz；Second slot antenna 2 realizes low frequency and high frequency, respectively 700-
960MHz, and 2300-2700MHz；Described first metallic object 10 by the first feeding transmission line 3 through the first switch and
Distribution network 4 is connected with the first current feed department 5, (the first fluting sky, left side of the specially first feeding transmission line 3 and the first metallic object 10
The part of line 1) connect, by the first current feed department 5, the fluting of the first slot antenna 1 is fed,；Described first metallic object 10
It is connected with the second current feed department 8 through second switch and matching network 7 by the second feeding transmission line 6, the specially second feed
Transmission line 6 is connected with the right side (part of the second slot antenna 2) of the first metallic object 10, is opened second by the second current feed department 8
The fluting of slot antenna 2 feeds；Having via 9 (shown in Fig. 2) on described pcb board 6, the first current feed department 5 is by the first coupling
Device 16 mates device 17 through via 9 ground connection through via 9 ground connection, the second current feed department 8 by second；Pcb board 6 is respectively equipped with
Through the first Lou Tong district 12 that conductive material and the first metallic object 10 connect, through conductive material and the second of the first metallic object 10 connection
Lou Tong district 13 (shown in Fig. 2), described first coupling device 16 and the second coupling device 17 are also through via 9 and the first metallic object 10
Connect.
In the present invention, the switch in the first switch and matching network 4 and second switch and matching network 7 is existing skill
The duplexer of art, matching network is the conventional matching circuits (in parallel and serial) of prior art；First coupling device 16 and
Second coupling device 17 uses π type or the double L-shaped match circuit (in parallel and serial) of prior art.
In the present invention, the slotting length L1 of described first slot antenna 1 is less than the slotting length L2 of the second slot antenna 2,
Preferably, L1 is 24mm；L2 is 48mm.
As shown in Figure 4, have between first current feed department the 5, second current feed department 8 and first metallic object the 10, second metallic object 11
Difference in height, this difference in height is preferably 0.8-1mm, and such current feed department is easier to cabling, and can be by pcb board 6 as support
Base material.
In the present invention, Lou Tong district can not cover the slotted section of slot antenna, otherwise affects antenna radiation performance, because of
This, the first Lou Tong district 12 and the second Lou Tong district 13 are arranged on pcb board 6 and slot away from the first slot antenna 1 and second open
On the position of slot antenna 2 fluting and the first Lou Tong district 12 and the second Lou Tong district 13 are positioned at pcb board 6 and the first metallic object 10 phase
To one side on.
In the present invention, the first grounding parts 14 connects the first metallic object 10 and the second metallic object 11, makes the first slot antenna 1 shape
Becoming fluting (slot) antenna of rim openings, a length of L1 of antenna, this kind of antenna is generally operational in quarter-wave humorous
On vibration frequency.First coupling device 16 is connected to the first metallic object 10 by via 9, is equivalent to by coupling device ground, can
To adjust initial resonant frequency, then by the first switch and matching network 4, the resonance of the first slot antenna 1 is adjusted to
1710-2170MHz；Second grounding parts 15 connects the first metallic object 10 and the second metallic object 11, makes the second slot antenna 2 form limit
The slot antenna of edge opening, a length of L2 of antenna, this kind of antenna is generally operational in quarter-wave resonant frequency.The
Two coupling devices 2 are connected to the first metallic object 1 by via 9, are also comparable to, by coupling device ground, can adjust initial
Resonant frequency and adjust low frequency impedance situation, produce initial low frequency and high-frequency resonant.Why can produce height
Frequently, reason is, low frequency has three frequencys multiplication, can serve as high frequency.Then second switch and matching network 7 are passed through by antenna
Frequency is adjusted to required frequency range, and is carried out the adjustment of frequency by switch, the frequency range required for selection.
In the present invention, there is the mutual shadow that can reduce between two antennas in first grounding parts the 14, second grounding parts 15 simultaneously
Ring, improve the isolation of antenna.It addition, the effect that the slot width W between the first metallic object 10 and the second metallic object 11 is to antenna
Rate impact is relatively big, and W strengthens, and the radiation efficiency of antenna has lifting.
The mobile terminal of the present invention, it includes and is applicable to the double of syllogic metal fuselage described by aforementioned figures 1-4
Antenna system, wherein owing to the main radiation diagram of antenna is for slotting, therefore the first metallic object 10 can place other devices, so
The space of mobile terminal can be saved.
By the present invention in that two metallic objects and the first grounding parts 14 and the second grounding parts 15 form two slot antennas,
It is possible not only to reduce radio frequency link loss, it is also possible to reduce radio frequency rear end cost, design compared to single antenna, improve complete machine OTA
Performance.
Although illustrate and describing the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that:
In the case of without departing from the spirit and scope of the present invention limited by claim and equivalent thereof, can carry out at this form and
Various changes in details.
Claims (8)
1. the dual-antenna system being applicable to syllogic metal fuselage, it is characterised in that: this system include pcb board (6),
The first metallic object (10), the second metallic object (11), described first metallic object (10) and the second metal it is respectively equipped with on pcb board (6)
Gap it is provided with, by the first grounding parts between described first metallic object (10) and the second metallic object (11) between body (11)
(14), the second grounding parts (15) connect, be provided with gap, described first gold medal between the first grounding parts (14) and the second grounding parts (15)
Belong to body (10), between the first grounding parts (14) and the second metallic object (11), form first slot antenna (1) of rim openings, institute
State the second fluting sky forming rim openings between the first metallic object (10), the second grounding parts (15) and the second metallic object (11)
Line (2), described first metallic object (10) by the first feeding transmission line (3) through the first switch and matching network (4) and the
One current feed department (5) connects；Described firstth metallic object (10) passes through the second feeding transmission line (6) through second switch and coupling
Network (7) is connected with the second current feed department (8)；Having via (9) on described pcb board (6), the first current feed department (5) passes through first
Orchestration part (16) mates device (17) through via (9) ground connection through via (9) ground connection, the second current feed department (8) by second；At PCB
It is respectively equipped with on plate (6) through the first Lou Tong district (12) that conductive material and the first metallic object (10) connect, through conductive material and
The second Lou Tong district (13) that one metallic object (10) connects, described first coupling device (16) and the second coupling device (17) go back warp
Via (9) is connected with the first metallic object (10).
The dual-antenna system being applicable to syllogic metal fuselage the most according to claim 1, it is characterised in that: described first
The slotting length of slot antenna (1) is less than the slotting length of the second slot antenna (2).
The dual-antenna system being applicable to syllogic metal fuselage the most according to claim 1 and 2, it is characterised in that: described
First current feed department (5), the second current feed department (8) and the first metallic object (10), the second metallic object have difference in height between (11).
The dual-antenna system being applicable to syllogic metal fuselage the most according to claim 3, it is characterised in that: described first
Difference in height between current feed department (5), the second current feed department (8) and the first metallic object (10), the second metallic object (11) is 0.8-1mm.
The dual-antenna system being applicable to syllogic metal fuselage the most according to claim 1, it is characterised in that: described first
Lou Tong district (12) and the second Lou Tong district (13) are arranged on pcb board (6) and open away from the first slot antenna (1) fluting and second
On the position that slot antenna (2) is slotted.
The dual-antenna system being applicable to syllogic metal fuselage the most according to claim 5, it is characterised in that: described first
Lou Tong district (12) and the second Lou Tong district (13) are positioned on the one side that pcb board (6) is relative with the first metallic object (10).
The dual-antenna system being applicable to syllogic metal fuselage the most according to claim 2, it is characterised in that: described first
The slotting length of slot antenna (1) is 24mm；The slotting length of the second slot antenna (2) is 48mm.
8. a mobile terminal, it is characterised in that: include being applicable to syllogic metal as described in claim 1-7 any one
The dual-antenna system of fuselage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886165.2A CN106229670A (en) | 2016-10-10 | 2016-10-10 | A kind of dual-antenna system being applicable to syllogic metal fuselage and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886165.2A CN106229670A (en) | 2016-10-10 | 2016-10-10 | A kind of dual-antenna system being applicable to syllogic metal fuselage and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106229670A true CN106229670A (en) | 2016-12-14 |
Family
ID=58076887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886165.2A Pending CN106229670A (en) | 2016-10-10 | 2016-10-10 | A kind of dual-antenna system being applicable to syllogic metal fuselage and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921030A (en) * | 2017-05-04 | 2017-07-04 | 歌尔科技有限公司 | For the antenna module and Intelligent worn device of metal shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327621A1 (en) * | 2011-06-23 | 2012-12-27 | Rhyu Hanphil | Mobile terminal |
| CN103401059A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Antenna device for full metal shell |
| CN105098369A (en) * | 2015-08-31 | 2015-11-25 | 努比亚技术有限公司 | Slot antenna and terminal |
| CN105305066A (en) * | 2015-10-26 | 2016-02-03 | 瑞声光电科技(常州)有限公司 | Full metal back shell antenna system |
| CN105762492A (en) * | 2016-04-20 | 2016-07-13 | 广东欧珀移动通信有限公司 | Metal casing, antenna apparatus and mobile terminal |
-
2016
- 2016-10-10 CN CN201610886165.2A patent/CN106229670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327621A1 (en) * | 2011-06-23 | 2012-12-27 | Rhyu Hanphil | Mobile terminal |
| CN103401059A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Antenna device for full metal shell |
| CN105098369A (en) * | 2015-08-31 | 2015-11-25 | 努比亚技术有限公司 | Slot antenna and terminal |
| CN105305066A (en) * | 2015-10-26 | 2016-02-03 | 瑞声光电科技(常州)有限公司 | Full metal back shell antenna system |
| CN105762492A (en) * | 2016-04-20 | 2016-07-13 | 广东欧珀移动通信有限公司 | Metal casing, antenna apparatus and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921030A (en) * | 2017-05-04 | 2017-07-04 | 歌尔科技有限公司 | For the antenna module and Intelligent worn device of metal shell |
| CN106921030B (en) * | 2017-05-04 | 2023-09-15 | 歌尔科技有限公司 | Antenna assembly for metal shell and intelligent wearable device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |