CN106410414A - Reconfigurable antenna for intelligent mobile phone with metal frame and metal rear cover - Google Patents
Reconfigurable antenna for intelligent mobile phone with metal frame and metal rear cover Download PDFInfo
- Publication number
- CN106410414A CN106410414A CN201610756109.7A CN201610756109A CN106410414A CN 106410414 A CN106410414 A CN 106410414A CN 201610756109 A CN201610756109 A CN 201610756109A CN 106410414 A CN106410414 A CN 106410414A
- Authority
- CN
- China
- Prior art keywords
- metal
- antenna
- switch
- intelligent machine
- mobile phone
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- 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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- 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
- H01Q5/328—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 between a radiating element and ground
-
- 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
- H01Q5/335—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 at the feed, e.g. for impedance matching
-
- 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a reconfigurable antenna for an intelligent mobile phone with a metal frame and a metal rear cover. Two very narrow gaps in an up-and-down symmetrical manner are formed in the metal real cover and the frame; the metal rear cover covers a dielectric plate and a back plate of the mobile phone; and the back plate is connected with the metal rear cover. A feeding unit of the antenna is connected with a radiating unit through chip capacitors; the radiating unit is connected with the upper part of the metal rear cover; the feeding unit is in parallel with a switch I and an LC matching circuit; and the right end of the radiating unit is in series connection with a switch II, a short circuit branch, a switch III and a corresponding matching circuit. Through the switching of a turning-on state and a turning-off state of the three switches, electromagnetic radiation in different frequency bands under different states is realized, and finally the intelligent mobile phone antenna capable of covering broadbands (824-960MHz and 1690-2690MHz) is obtained. A space occupied by the antenna is greatly reduced by optimizing the position of the feeding unit and an inductance capacitance value of the matching circuit and combining with a switch reconfigurable technology, a difficulty in the design field of the antenna for the intelligent mobile phone with the metal rear cover and the metal frame is solved, and the design of the seven-band intelligent metal-frame mobile phone antenna is realized. The antenna is suitable for popularization and application in the technical field of terminal antennas.
Description
Technical field
The present invention relates to terminal antenna technical field is and in particular to a kind of reconfigurable intelligent mobile phone with metal edge frame and bonnet
Antenna.
Background technology
With the fast development of terminal called, smart mobile phone except to ensure call, navigation, data download etc. basic function it
Outward, user is also more and more polynary to cell phone appearance pursuit, and metal boundary not only can make mobile phone be full of metal-like and artistic beauty
Sense, and the structural strength of mobile phone can be strengthened, consumer enjoys great popularity to the smart mobile phone of metal boundary, leads to a lot of hands
Machine manufacturer has to cater to consumer demand.
Antenna for mobile phone as terminal wireless signal transmitting and receiving foremost, the quality of antenna performance, directly influence mobile phone communication matter
Amount data speed of download.Antenna for mobile phone not only will meet the demand of multiband multi-standard, but also will overcome metal components and parts
With the impact to mobile phone antenna radiation performance for the metal boundary, traditional antenna for mobile phone design is very difficult to be met in such complex environment
Middle application, so have metal edge frame and the antenna for mobile phone of bonnet is designed to a great problem that terminal world is faced.
In addition, antenna miniaturization is always the target that terminal antenna designer pursues, due to the screen of present smart mobile phone
Increasing it is necessary to the lateral dimension of antenna is sufficiently small, the mobile phone of more large-size screen monitors accounting has more preferable sensory effects.Therefore such as
What design is a have multiband, minimize, have carry out frame and shell intelligent machine antenna become one urgently to be resolved hurrily
Challenge.
Content of the invention
The technical problem to be solved be provide a kind of can cover seven frequency ranges there is metal edge frame and bonnet
Intelligent machine antenna.
The present invention solves above-mentioned technical problem and be employed technical scheme comprise that：This has the intelligent machine sky of metal edge frame and bonnet
Line, including metal edge frame, back cover, medium substrate, described medium substrate is located at about 2mm above metal back cover, described medium base
Have metal floor after under plate, above described Part I metal back cover, below medium substrate, have " L " type antenna element, institute
Give an account of matter surface and have feed element, described feed element top is provided with exciting unit, described feed element end
It is connected with antenna element by patch capacitor, described feed element is connected with and switchs and match circuit, described antenna element right-hand member,
It is connected with switch and match circuit, described matching network is connected with metal floor by multiple short-circuit pieces above metal back cover.
It is further that described " L " type antenna element is by the metal detail of vertical mobile phone top margin frame and parallel to metal roof frame
Metal minor matters constitute, vertical metal detail is connected with metal floor by short circuit metal piece, horizontal metal detail and first
Metal edge frame connects.
It is further, the described patch capacitor by feeding microstrip line and being attached thereto with feed element, 50 Ohm radio frequency line groups
Become.
It is further that described the first match circuit being connected with feed element is constituted by chip inductor is in parallel with patch capacitor,
LC match circuit is passed on left switch and is connected with feed element, and right side is connected with metal floor by short-circuit line.
Be further, described positioned at antenna element horizontal detail low order end connect the second match circuit, by second switch with
Chip inductor is in series, and chip inductor is connected with metal floor by short-circuit piece.
Be further, described positioned at antenna element horizontal detail right-hand member connect the 3rd match circuit, by the 3rd switch with short
Road piece is constituted, and the short-circuit piece other end is connected with metal floor.
It is further that described first match circuit that is located at is located above dielectric-slab, and second, third match circuit is located at dielectric-slab
Lower section.
It is further that described short circuit connection sheet is sheet metal.
It is further to be filled with industrial plastic in the gap of described metal edge frame and back cover.
It is further that described antenna includes three switches and corresponding three match circuits, leads when first switch is in
Logical state, other switches are closed, antenna resonant frequency cover low frequency (800-894MHz), when three switch all in
Closed mode, antenna resonant frequency covers low frequency (879-967MHz), and when first switch closure, second switch turns on, and the 3rd opens
Close closure, antenna resonant frequency covers (1660-2170MHz), when first switch closure, second switch closes, at the 3rd switch
In conducting state, antenna resonant frequency covers (1950-2720MHz).
Brief description
Below in conjunction with accompanying drawing, embodiment of the present invention is described in detail.
Fig. 1 is the structural representation of the described antenna of the present invention.
Fig. 2 is the detail view of the described antenna of the present invention.
Fig. 3 is the return loss plot of the described antenna of the present invention.
Symbol description
The Part I of 1- metal shell
The Part II of 2- metal shell
The Part III of 3- metal shell
4- metal edge frame
5- back cover first gap
6- back cover second gap
7- metal floor
8- medium substrate
9- medium substrate first clearance zone
10- medium substrate second clearance zone
11- antenna element
12- feeds detail
13- first switch
14- second switch
15- the 3rd switchs
16- metal patch
17- short circuit metal piece
18- patch capacitor
19- patch capacitor
20- chip inductor
21- chip inductor
Specific embodiments
Below in conjunction with accompanying drawing, the further instruction present invention is come to the specific embodiment of the present invention.
In the drawings, in order to more intuitively describe the present invention, accompanying drawing 2 is the part intercepting accompanying drawing 1, and accompanying drawing 2 is clear
The clear antenna element illustrating at Mobile phone PCB top, floor clearance zone and match circuit.
As shown in Figure 2, this has the intelligent machine antenna of metal edge frame and bonnet, including Part I metal back cover 1, is located at the
The first gap 5 between a part of metal back cover and Part II metal back cover, medium substrate 7, it is attached to below medium substrate
Metal floor 8, help " L " the type antenna element 11 below medium substrate, antenna element 11 and metal floor 8, the first gold medal
Belong to back cover 1 to be connected, described medium substrate 7 top has feed element 12, and described feed element top is provided with exciting unit, institute
State feed element end to be connected with antenna element 11 by patch capacitor 18, described feed element be parallel with first switch 13 with
" LC " parallel connection match circuit that patch capacitor 19, chip inductor 20 are constituted, described antenna element 11 right-hand member, distribution connects the 3rd and opens
Close 15 with second switch 14, the 3rd switch is connected with metal floor 8 by short-circuit piece 17, second switch by chip inductor 21 and
Metal floor connects, and patch capacitor passes through to be connected through the short circuit metal piece of medium substrate with antenna element, in the same manner, positioned at Jie
The patch capacitor 19 of matter surface, chip inductor 20 connect also by through the short circuit metal piece of medium substrate and metal floor
Connect.It is connected with switch and match circuit, described matching network passes through multiple short-circuit pieces with metal floor even above metal back cover
Connect.
As an embodiment, floor headroom sector width only has 4.5mm, and the gap width between metal back cover and frame only has
1mm, screen accounting can reach 92.9%.
The technical scheme is that and be achieved in that：When first switch 13, second switch the 14, the 3rd switch 15 are all located and closing
State, constitutes typical IFA antenna form by feeder line detail 12 and antenna element 11, and antenna resonant frequency covers 0.87-
0.967GHz (GSM850), is designated as state B；When first switch 13 is in the conduction state, second switch 14, second switch 15 are in
Closed mode, aerial radiation principle remains the IFA antenna element being made up of feeder line finger joint 12 with antenna element 11, due to paster
The match circuit that electric capacity 19, inductance 20 are constituted plays adjustment effect to the resonance point of antenna, and antenna resonant frequency covers 0.8-
0.895GHz (GSM900), is designated as state A；When first switch 13 is closed, second switch 14 is closed, the
Three switches are in the conduction state, and antenna detail 11 constitutes a loop antenna with metal floor 8 by short-circuit piece 17, simultaneously feed
Section 12 and antenna detail 11 horizontal metal piece part and metal floor 8 constitute second loop antenna, therefore formed two adjacent
Resonance, antenna covers 1.96-2.72GHz frequency range (LTE2300 LTE2500), is designated as state D；When first switch 13 is in closing
State, second switch 14 is in the conduction state, and the 3rd switch is closed, and antenna detail 11 and metal floor 8 pass through the
Three switches 15, chip inductor 21 constitute a loop antenna, simultaneously feed detail 12 and antenna detail 11 horizontal metal piece part with
Metal floor 8 also constitutes second loop antenna, due to inductance of having connected, is equivalent to the current path that increased loop antenna, two
The corresponding resonance of loop antenna compares state D, to low frequency offset, final antenna cover 1.66-2.17GHz frequency range (GSM1800
GSM1900 USIM2100), be designated as state C.
The above, simply one of embodiment of the present invention, the present invention is not merely only limited to stated above
Examples of implementation, as long as similar method reaches the technological achievement of the present invention, should be all protection scope of the present invention.For example, fit
When the structure changing antenna, adjust feeder structure, change match circuit form, increase single raise similar structures in pcb board low side
Antenna.
Claims (6)
1. a kind of restructural intelligent machine antenna with metal edge frame and bonnet it is characterised in that：Metal boundary includes three parts,
Part I metal boundary (1) is located on the upside of intelligent machine, and the second metal boundary (2) is located at intelligent machine mid portion, Part III
Metal boundary (3) is located on the downside of intelligent machine, has very narrow gap (5), described metal shell between described metal shell (1), (2)
(2), there is very narrow gap (6) between (3), described medium substrate (8) is located at whole enclosure, has one section of sky with metal shell
Gap, for placing other hardware of intelligent machine, such as battery, data processor etc., metal floor (7) attached with medium substrate following table
Face, described clearance zone (9), (10) distribution are surveyed up and down positioned at dielectric-slab, metal boundary (1), region shared by (3), metal edge frame (4)
Be wrapped in intelligent machine surrounding, described antenna element (11) invests on the downside of medium substrate (4), above metal boundary (1), and with gold
Possession plate (7), the frame of metal boundary (1) are connected, and feed minor matters (12) is linked with antenna element by patch capacitor (18),
Described first switch (16) will feed that minor matters (12) and sheet metal (16), patch capacitor (19), chip inductor (20) form
Distribution road connects, and described second switch (14) is located on the right side of the first gap (5), by antenna element (11) with chip inductor (21) even
It is connected to metal floor (7), described 3rd switch (15) is located on the left of second switch (14), by ground strip (17) and metal floor
(7) it is connected.
2. a kind of restructural intelligent machine antenna with metal edge frame and bonnet according to claims 1, its feature exists
In:Mobile phone frame and bonnet are all metals.
3. a kind of restructural intelligent machine antenna with metal edge frame and bonnet according to claims 1, its feature exists
In:Antenna minor matters (13), second switch (14), the 3rd switch (15), chip inductor (21), short-circuit piece (17) are located at medium substrate
(8), below, first switch (13), paster (16), chip inductor (20), patch capacitor (19) are located above medium substrate (8).
4. according to claims 1 a kind of restructural intelligent machine antenna with metal edge frame and bonnet it is characterised in that：
By symmetrically opening two gaps (5), (6) in metal edge frame bonnet, by switching (13), (14), the conducting of (15), closure state
Switching, constitutes different current paths and match circuit.
5. according to claims 3 a kind of restructural intelligent machine antenna with metal edge frame and bonnet it is characterised in that：
Feed minor matters (12) is connected with antenna element by patch capacitor (18), and first switch (13) is electric with patch capacitor (19), paster
Sense (20) constitutes the first match circuit, and second switch (14) and chip inductor (21) constitute the second match circuit, the 3rd switch
(15) constitute the 3rd match circuit with ground strip (17).
6. according to claims 1 a kind of restructural intelligent machine antenna with metal edge frame and bonnet it is characterised in that：
Described paster (16), ground strip (17) are metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756109.7A CN106410414A (en) | 2016-08-30 | 2016-08-30 | Reconfigurable antenna for intelligent mobile phone with metal frame and metal rear cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756109.7A CN106410414A (en) | 2016-08-30 | 2016-08-30 | Reconfigurable antenna for intelligent mobile phone with metal frame and metal rear cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106410414A true CN106410414A (en) | 2017-02-15 |
Family
ID=58002719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756109.7A Pending CN106410414A (en) | 2016-08-30 | 2016-08-30 | Reconfigurable antenna for intelligent mobile phone with metal frame and metal rear cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106410414A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961519A (en) * | 2017-03-03 | 2017-07-18 | 深圳天珑无线科技有限公司 | The antenna switching system that structure is shared and port is exchanged |
| CN108288767A (en) * | 2017-12-29 | 2018-07-17 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
| CN108288763A (en) * | 2018-01-03 | 2018-07-17 | 上海传英信息技术有限公司 | Mobile terminal and its antenna installation method |
| CN108879112A (en) * | 2017-05-12 | 2018-11-23 | 华为技术有限公司 | Aerial array and terminal |
| CN109216888A (en) * | 2017-06-29 | 2019-01-15 | 苹果公司 | Antenna tuning unit in patterned conductive layer |
| CN109687148A (en) * | 2018-11-23 | 2019-04-26 | 合肥联宝信息技术有限公司 | The multi-antenna structure of becket combination slit |
| CN113690575A (en) * | 2021-08-25 | 2021-11-23 | 电子科技大学 | Three-dimensional beam coverage millimeter wave antenna applied to metal frame 5G terminal |
| WO2023078090A1 (en) * | 2021-11-05 | 2023-05-11 | 华为技术有限公司 | Antenna apparatus and terminal device |
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| CN104795643A (en) * | 2015-04-29 | 2015-07-22 | 瑞声精密制造科技(常州)有限公司 | Full-band cellphone antenna system |
| CN105098332A (en) * | 2015-08-12 | 2015-11-25 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and communication electronic equipment |
| CN105789884A (en) * | 2016-04-19 | 2016-07-20 | 惠州硕贝德无线科技股份有限公司 | Cell phone antenna structure based on metallic back cover |
-
2016
- 2016-08-30 CN CN201610756109.7A patent/CN106410414A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795643A (en) * | 2015-04-29 | 2015-07-22 | 瑞声精密制造科技(常州)有限公司 | Full-band cellphone antenna system |
| CN105098332A (en) * | 2015-08-12 | 2015-11-25 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and communication electronic equipment |
| CN105789884A (en) * | 2016-04-19 | 2016-07-20 | 惠州硕贝德无线科技股份有限公司 | Cell phone antenna structure based on metallic back cover |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961519A (en) * | 2017-03-03 | 2017-07-18 | 深圳天珑无线科技有限公司 | The antenna switching system that structure is shared and port is exchanged |
| CN108879112A (en) * | 2017-05-12 | 2018-11-23 | 华为技术有限公司 | Aerial array and terminal |
| CN109216888A (en) * | 2017-06-29 | 2019-01-15 | 苹果公司 | Antenna tuning unit in patterned conductive layer |
| CN109216888B (en) * | 2017-06-29 | 2020-11-10 | 苹果公司 | Antenna tuning features in patterned conductive layers |
| CN108288767A (en) * | 2017-12-29 | 2018-07-17 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
| CN108288763A (en) * | 2018-01-03 | 2018-07-17 | 上海传英信息技术有限公司 | Mobile terminal and its antenna installation method |
| CN109687148A (en) * | 2018-11-23 | 2019-04-26 | 合肥联宝信息技术有限公司 | The multi-antenna structure of becket combination slit |
| CN113690575A (en) * | 2021-08-25 | 2021-11-23 | 电子科技大学 | Three-dimensional beam coverage millimeter wave antenna applied to metal frame 5G terminal |
| CN113690575B (en) * | 2021-08-25 | 2022-07-29 | 电子科技大学 | Three-dimensional beam coverage millimeter wave antenna applied to metal frame 5G terminal |
| WO2023078090A1 (en) * | 2021-11-05 | 2023-05-11 | 华为技术有限公司 | Antenna apparatus and terminal device |
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Application publication date: 20170215 |
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