CN108270068A - Terminal with all-metal rear shell - Google Patents
Terminal with all-metal rear shell Download PDFInfo
- Publication number
- CN108270068A CN108270068A CN201810028116.4A CN201810028116A CN108270068A CN 108270068 A CN108270068 A CN 108270068A CN 201810028116 A CN201810028116 A CN 201810028116A CN 108270068 A CN108270068 A CN 108270068A
- Authority
- CN
- China
- Prior art keywords
- rear shell
- metal
- metal rear
- antenna
- radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
This application discloses a kind of terminals with all-metal rear shell, are related to field of radio frequency, the radio-frequency antenna design being used to implement in the case of all-metal rear shell.All-metal rear shell includes the first metal rear shell and the second metal rear shell, first metal rear shell and the second metal rear shell are without being electrically connected, metal antenna radiator is equipped in the headroom projected area of the first metal rear shell, feed is connected with the first metal rear shell or metal antenna radiator respectively by switch in the signal feed source of terminal；When feed is connected with the first metal rear shell in signal feed source, direct radiator of the first metal rear shell as the first groups of frequency bands antenna；When being fed when signal feed source is connected with metal antenna radiator, the first metal rear shell as the primary radiator of coupled antenna is coupled and excited by metal antenna radiator, and the Antenna Design for realizing the second groups of frequency bands by the radiation of the first metal rear shell covers.The radio-frequency antenna that the embodiment of the present application is applied to terminal designs.
Description
Technical field
The present invention relates to field of radio frequency more particularly to a kind of terminals with all-metal rear shell.
Background technology
As metal material communication terminal is due to its unique texture and gloss, is gradually pursued, have become by consumer
High-end type designs standard configuration, and starts quickly to popularize to low and middle-end type.Wherein, the communication terminal of whole metal chassis material has been
As the Research Emphasis of each communication terminal Jing Pin producers.
Due to the uniqueness of radio-frequency antenna radiation, communication terminal antenna is to cabling area, antenna height, antenna headroom and day
Line has antenna performance direct influence to evading for circumferential metal, be in Realism Design it has to be ensured that.And whole gold
Belong to the designer trends of casing material, the radio-frequency antenna design space of terminal is made constantly to reduce, design height constantly reduces.It is this to penetrate
The deterioration of frequency context of antenna design causes its performance to be unable to reach over the air (the Over The of domestic and overseas operators
Air, OTA) test request.
Invention content
Embodiments herein provides a kind of terminal with all-metal rear shell, is used to implement in the case of all-metal rear shell
Radio-frequency antenna designs.
In order to achieve the above objectives, embodiments herein adopts the following technical scheme that：
In a first aspect, a kind of terminal with all-metal rear shell is provided, after the all-metal rear shell includes the first metal
Shell and the second metal rear shell, the first metal rear shell and the second metal rear shell are without being electrically connected, after first metal
The headroom projected area of shell is equipped with metal antenna radiator, the signal feed source of the terminal by switch respectively with first gold medal
Belong to rear shell or metal antenna radiator conducting feed；
When feed is connected with the first metal rear shell in the signal feed source, the first metal rear shell is as first
The direct radiator of groups of frequency bands antenna；
When being fed when the signal feed source is connected with the metal antenna radiator, the metal antenna radiator is made
Primary radiator for coupled antenna, which couples the first metal rear shell, to be excited, real by the radiation of the first metal rear shell
The Antenna Design covering of existing second groups of frequency bands.
The terminal with all-metal rear shell that embodiments herein provides, has used the restructural of multiple antennas form to set
Meter, by different antenna forms, is realized under fixed antenna environment relative to Antenna Design before on broadband and multifrequency
The promotion of performance.Compared with prior art, innovation of the invention and positive achievement are passing through the switching to two metal antenna bodies
It uses, realizes coupled antenna form and the reconfigurable design of other forms antenna in the case of all-metal rear shell.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described.
Fig. 1 is the schematic rear view of the terminal with all-metal rear shell that embodiments herein provides；
Fig. 2 is the circuit diagram one of the terminal with all-metal rear shell that embodiments herein provides；
Fig. 3 is the circuit diagram two of the terminal with all-metal rear shell that embodiments herein provides；
Fig. 4 is the electromagnetic radiation schematic diagram one of the terminal with all-metal rear shell that embodiments herein provides；
Fig. 5 is the electromagnetic radiation schematic diagram two of the terminal with all-metal rear shell that embodiments herein provides；
Fig. 6 is the circuit diagram three of the terminal with all-metal rear shell that embodiments herein provides.
Specific embodiment
Below in conjunction with the accompanying drawings, embodiments herein is described.
The embodiment of the present application provides a kind of terminal with all-metal rear shell, referring to Figures 1 and 2 shown in, all-metal
Rear shell includes the first metal rear shell 11 and the second metal rear shell 12, and the first metal rear shell 11 is with the second metal rear shell 12 by cracking
It disconnects, therefore without electrical connection, metal antenna radiator 13, the signal of terminal is equipped in the headroom projected area of the first metal rear shell 11
Feed source 14 is fed by switch 15 with the first metal rear shell 11 or the conducting of metal antenna radiator 12 respectively.
Wherein, secondary radiation body of the first metal rear shell 11 as coupled antenna, the second metal rear shell 12 are grounded part,
Not as antenna.It is antenna headroom area below 11 projected area of the first metal rear shell, metal antenna radiator 13 is as coupling day
The primary radiator of line.
When 14 and first metal rear shell 11 of signal feed source, which is connected, to be fed, the first metal rear shell 11 is used as the first groups of frequency bands
The direct radiator of antenna；When being fed when signal feed source 14 and metal antenna radiator 13 are connected, metal antenna radiator
First metal rear shell 11 as the primary radiator of coupled antenna is coupled excitation by 13, and the radiation for passing through the first metal rear shell 11 is real
The Antenna Design covering of existing second groups of frequency bands.As a result, by the compatible design of the first groups of frequency bands and the second groups of frequency bands, realize same
The Antenna Design of wideband/multifrequency under context of antenna design.
Optionally, the first metal rear shell 11 can be independently earth-free to realize in the form of monopole design；Alternatively, first
Increase at least one earth point by the distributing point of metal rear shell 11 to realize planar inverted-F antenna (Printed Inverted-F
Antenna, PIFA) Antenna Design form；Alternatively, increase at least one ground connection apart from distributing point distal end in the first metal rear shell 11
Point is to realize in the form of ring (LOOP) Antenna Design.
Optionally, above-mentioned earth point can select conducting or open circuit, selection or position by earth point by switching
Change can realize the change of antenna radiator self-resonant frequency, so as to fulfill the covering compatible design of multifrequency.
Optionally, the first metal rear shell 11 and the distance of other metallic objects of side ground connection are more than or equal to 1mm；With the first gold medal
Belong to position multipoint earthing of other the close metallic objects of rear shell 11 in close first metal rear shell 11, to prevent to after the first metal
The coupling of 11 radiation signal of shell absorbs.
Optionally, primary radiator of the metal antenna radiator 13 as coupled antenna, ontology are independent metal and walk
Line and earth-free.
Optionally, the first metal rear shell 11 and metal antenna radiator 13 interact in the form of electromagnetic radiation, not
There is electrical connection.In order to ensure the coupling efficiency of electromagnetic energy, metal antenna radiator 13 close proximity to the first metal rear shell 11.
Optionally, it is excited under the scene of radiation in the first metal rear shell 11, metal antenna radiator 13 can be by connecing
Coupling unit of the ground as the first metal rear shell 11, to extend the band bandwidth of the first metal rear shell 11.
Optionally, the first metal rear shell 11 and the second metal rear shell 12 can be hardware or be punching press, laser
Straight forming (Laser Direct Structuring, LDS), flexible PCB (Flexible Printed Circuit,
FPC) one kind of cabling mode.
Optionally, the first metal rear shell 11 and metal antenna radiator 13 should couple metal routing or device far from same frequency,
And far from co-channel interference source.
The Antenna Design of the existing terminal with all-metal rear shell, using metal back cover structure part as the more of antenna body
Based on LOOP design methods, due to the limitation of Antenna Design form, have in the bandwidth of low-frequency range and the covering of multiband or
More or few design defect.The design combines traditional antenna design techniques, has used the reconfigurable design of multiple antennas form,
By different antenna forms, the performance on broadband and multifrequency is realized under fixed antenna environment relative to Antenna Design before
Promotion.Compared with prior art, innovation of the invention and positive achievement be by using the switching of two metal antenna bodies,
Realize coupled antenna form and the reconfigurable design of other forms antenna.
Illustratively, it is a kind of schematic diagram of the physical circuit of terminal with reference to shown in Fig. 3.Wherein, which can be with
Including match circuit 16 and match circuit 17.Signal feed source 14 by active switch 15 selection switching after can respectively by
It is connected with circuit 16 and match circuit 17 with the first metal rear shell 11 or metal antenna radiator 13.First metal rear shell 11 passes through
Earth point 111 and earth point 112 are grounded, wherein, active switch 18 controls earth-continuity or the judgement of earth point 111, effect
It is the antenna resonant frequency tuned under different antennae state.Its operation principle is as follows：
When active switch 15 selects conducting metal antenna radiator 13, and the first metal rear shell 11 and signal feed source 14
Electrical connection is had no, Principle of Antenna at this time is coupled antenna form, primary spoke of the metal antenna radiator 13 as coupled antenna
Beam, secondary radiation body of the first metal rear shell 11 as coupled antenna.18 open circuit of active switch, the first metal rear shell 11 are logical
It crosses earth point 112 to be grounded, signal feed source 14 couples radiation excitation the first metal rear shell by metal antenna radiator 13 at this time
11, the first metal rear shell 11 has the self-resonance of frequency range 1, and radiated electromagnetic wave is formed eventually by the first metal rear shell 11.
It is corresponding electromagnetic radiation schematic diagram with reference to shown in Fig. 4.Metal antenna radiator 13 is as the first of coupled antenna
Grade radiator excites the first metal rear shell 11, and the first metal rear shell 11 has self-resonant frequency f1's by 112 form of earth point
Secondary radiation body.
When active switch 15 selects the first metal rear shell 11 of conducting, and metal antenna radiator 13 and signal feed source 14
Electrical connection is had no, antenna forms the LOOP antenna forms directly radiated by the first metal rear shell 11 and its earth point at this time, gold
Belong to any component part of the antenna radiator 13 not as antenna.18 short circuit grounding of active switch, passes through in signal feed source 14
The earth point 111 and earth point 112 of first metal rear shell 11 may be constructed two LOOP antenna forms, and the first metal rear shell 11 has
There is the two-band EMR electromagnetic resonance of frequency range 2 and frequency range 3 and form radiated electromagnetic wave.
Illustratively, it is corresponding electromagnetic radiation schematic diagram with reference to shown in Fig. 5.First metal rear shell, 11 conduct at this time
Double LOOP antenna forms and the direct radiator with frequency range f2 and frequency range f3, form aerial radiation.
It is a kind of schematic diagram of the another physical circuit of terminal with reference to shown in Fig. 6.It is distinguished with circuit shown in Fig. 3
In：There is no earth point 111, earth point 112 and active switch 18, earth point 131, metal are increased newly on metal antenna radiator 13
Antenna radiator 13 is grounded by 19 selectivity of active switch.Its operation principle is as follows：
When active switch 15 selects conducting metal antenna radiator 13, and the first metal rear shell 11 and signal feed source 14
Electrical connection is had no, Principle of Antenna at this time is coupled antenna form, primary spoke of the metal antenna radiator 13 as coupled antenna
Beam, secondary radiation body of the first metal rear shell 11 as coupled antenna.Signal feed source 14 is radiated by metal antenna at this time
Body 13 couples the first metal of radiation excitation rear shell 11, and the first metal rear shell 11 has the self-resonance of frequency range f4, eventually by first
Metal rear shell 11 forms radiated electromagnetic wave.
When active switch 15 selects the first metal rear shell 11 of conducting, metal antenna radiator 13 has no with signal feed source 14
Electrical connection, and metal antenna radiator 13 forms the coupled resonance branch of ground connection by 19 short circuit grounding of active switch.At this time
First metal rear shell 11 forms the unipole antenna form with self-resonance frequency range f5 and directly radiates；Metal antenna radiator 13 passes through
The parasitic couplings body close to the first metal rear shell 11 is formed after short circuit grounding, is formed and the parasitism of 11 impedance of the first metal rear shell is changed
Become, make the first metal of unipole antenna rear shell 11 while there is the self-resonant frequency of frequency range f6 and form Net long wave radiation.
The design compares existing Antenna Design, has following innovative point：
By selection feed-in of the signal to primary radiator or secondary radiation body, antenna form is made to close antenna or list in coupling
Switching is formed between the existing conventional aerial such as pole, LOOP, PIFA, realizes that multiple antennas form is to antenna under the radiation of single metal appearance
More coverings of frequency range, the covert performance optimization for realizing multiband design or wideband design.
While antenna switches, realize that primary radiator is compatible with the design of parasitic radiator by switch, make antenna
Radiator has both both functions, and the change of Principle of Antenna form is coordinated to realize wideband design.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
The specific embodiment of the above, only the application, but the protection domain of the application is not limited thereto, it is any
In the technical scope that those familiar with the art discloses in the application, change or replacement can be readily occurred in, should all be contained
It covers within the protection domain of the application.Therefore, the protection domain of the application should be based on the protection scope of the described claims.
Claims (7)
1. a kind of terminal with all-metal rear shell, which is characterized in that the all-metal rear shell includes the first metal rear shell and the
Two metal rear shells, the first metal rear shell with the second metal rear shell without being electrically connected, in the net of the first metal rear shell
Drop shadow zone and be equipped with metal antenna radiator, the signal feed source of the terminal by switch respectively with the first metal rear shell
Or the metal antenna radiator conducting feed；
When feed is connected with the first metal rear shell in the signal feed source, the first metal rear shell is as the first frequency range
The direct radiator of group antenna；
When being fed when the signal feed source is connected with the metal antenna radiator, the metal antenna radiator is as coupling
Close antenna primary radiator will the first metal rear shell coupling excitation, pass through the radiation of the first metal rear shell realization the
The Antenna Design covering of two groups of frequency bands.
2. terminal according to claim 1, which is characterized in that the first metal rear shell is independently earth-free to realize monopole
Antenna Design form；Alternatively, increase at least one earth point by the distributing point of the first metal rear shell to realize plane inverse-F
Antenna PIFA Antenna Design forms；Alternatively, increase at least one earth point apart from distributing point distal end in the first metal rear shell
To realize in the form of ring LOOP Antenna Designs.
3. terminal according to claim 2, which is characterized in that the earth point is by switching selection conducting or open circuit.
4. terminal according to claim 2, which is characterized in that other close metallic objects exist with the first metal rear shell
Close to the position multipoint earthing of the first metal rear shell, to prevent the coupling to the first metal rear shell radiation signal from inhaling
It receives.
5. terminal according to claim 1, which is characterized in that the ontology of the metal antenna radiator is independent metal
Cabling and earth-free.
6. terminal according to claim 1, which is characterized in that the scene for the radiation that is excited in the first metal rear shell
Under, the metal antenna radiator ground connection is using the coupling unit as the first metal rear shell, to extend first gold medal
Belong to the band bandwidth of rear shell.
7. terminal according to claim 1, which is characterized in that the first metal rear shell and the second metal rear shell are
Hardware or be punching press, laser direct forming LDS, one kind in flexible PCB FPC cabling modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028116.4A CN108270068A (en) | 2018-01-11 | 2018-01-11 | Terminal with all-metal rear shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028116.4A CN108270068A (en) | 2018-01-11 | 2018-01-11 | Terminal with all-metal rear shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108270068A true CN108270068A (en) | 2018-07-10 |
Family
ID=62775418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810028116.4A Pending CN108270068A (en) | 2018-01-11 | 2018-01-11 | Terminal with all-metal rear shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108270068A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841949A (en) * | 2019-02-19 | 2019-06-04 | 深圳市和盈互联科技有限公司 | A kind of antenna assembly |
| CN110718745A (en) * | 2019-09-02 | 2020-01-21 | 深圳市和盈互联科技有限公司 | Multi-frequency multiplexing antenna device and smart watch |
| CN112864587A (en) * | 2019-11-12 | 2021-05-28 | 深圳市万普拉斯科技有限公司 | Antenna device and wireless communication equipment |
| US11152704B2 (en) | 2018-12-28 | 2021-10-19 | Samsung Electronics Co., Ltd. | Quasi-isotropic antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024136A (en) * | 2015-07-31 | 2015-11-04 | 瑞声声学科技(苏州)有限公司 | Mobile terminal |
| US20170005395A1 (en) * | 2015-06-30 | 2017-01-05 | Tdk Corporation | Antenna device |
| JP2017028391A (en) * | 2015-07-17 | 2017-02-02 | Tdk株式会社 | Antenna device |
| CN106785349A (en) * | 2016-12-15 | 2017-05-31 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and its antenna assembly |
| CN106953176A (en) * | 2017-03-24 | 2017-07-14 | 维沃移动通信有限公司 | A kind of antenna and mobile terminal |
| CN107516771A (en) * | 2017-08-16 | 2017-12-26 | 上海摩软通讯技术有限公司 | Mobile terminal and its antenna system |
-
2018
- 2018-01-11 CN CN201810028116.4A patent/CN108270068A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170005395A1 (en) * | 2015-06-30 | 2017-01-05 | Tdk Corporation | Antenna device |
| JP2017028391A (en) * | 2015-07-17 | 2017-02-02 | Tdk株式会社 | Antenna device |
| CN105024136A (en) * | 2015-07-31 | 2015-11-04 | 瑞声声学科技(苏州)有限公司 | Mobile terminal |
| CN106785349A (en) * | 2016-12-15 | 2017-05-31 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and its antenna assembly |
| CN106953176A (en) * | 2017-03-24 | 2017-07-14 | 维沃移动通信有限公司 | A kind of antenna and mobile terminal |
| CN107516771A (en) * | 2017-08-16 | 2017-12-26 | 上海摩软通讯技术有限公司 | Mobile terminal and its antenna system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11152704B2 (en) | 2018-12-28 | 2021-10-19 | Samsung Electronics Co., Ltd. | Quasi-isotropic antenna |
| US11831087B2 (en) | 2018-12-28 | 2023-11-28 | Samsung Electronics Co., Ltd. | Quasi-isotropic antenna |
| CN109841949A (en) * | 2019-02-19 | 2019-06-04 | 深圳市和盈互联科技有限公司 | A kind of antenna assembly |
| CN109841949B (en) * | 2019-02-19 | 2024-03-01 | 深圳市飞亚达精密科技有限公司 | Antenna device |
| CN110718745A (en) * | 2019-09-02 | 2020-01-21 | 深圳市和盈互联科技有限公司 | Multi-frequency multiplexing antenna device and smart watch |
| CN112864587A (en) * | 2019-11-12 | 2021-05-28 | 深圳市万普拉斯科技有限公司 | Antenna device and wireless communication equipment |
| CN112864587B (en) * | 2019-11-12 | 2023-05-05 | 深圳市万普拉斯科技有限公司 | Antenna device and wireless communication device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| 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: 20180710 |