CN105552552A - Multiband antenna based on metal frame - Google Patents
Multiband antenna based on metal frame Download PDFInfo
- Publication number
- CN105552552A CN105552552A CN201610054441.9A CN201610054441A CN105552552A CN 105552552 A CN105552552 A CN 105552552A CN 201610054441 A CN201610054441 A CN 201610054441A CN 105552552 A CN105552552 A CN 105552552A
- Authority
- CN
- China
- Prior art keywords
- edge frame
- metal edge
- fluting
- metal frame
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a multiband antenna based on a metal frame, comprising the metal frame, a metal middle plate and an insulation bracket; the metal frame and the metal middle plate are arranged on the insulation bracket; a first slot and a second slot are arranged on the bottom edge of the metal frame; the metal frame is divided into a first-section metal frame, a second-section metal frame and a third-section metal frame by the first slot and the second slot. The antenna provided by the invention is advantaged by that a feed-in unit directly feeds in the first-section metal frame to provide stable antenna performance; the energy is coupled to the second-section metal frame and the third-section metal frame through the first slot and the second slot; the working frequency is controlled through combining a first short circuit connector and a second short circuit connector; the bandwidth of the antenna radiation is increased; therefore the antenna satisfies the multiband design demand of a long term evolution upgrade technique; meanwhile, the beauty and toughness of the metal frame are taken into consideration.
Description
Technical field
The present invention relates to antenna, particularly relate to a kind of multiband antenna based on metal edge frame.
Background technology
In recent years along with the fast development of mobile communication technology, people not only enjoy the various facilitating functions that mobile terminal brings, also the exquisite external form of terminal is paid attention to all the more, utilization that is compact and outward appearance metal material becomes inevitable trend. but traditional antenna design can face the problem of penalty in the application of this metal appearance, brings stern challenge to Antenna Design.
The application for a patent for invention of application number 201510167751, disclosing a kind of Anneta module based on metal edge frame and mobile device. its structure is except the antenna body of metal edge frame, also comprise two switches, by the mode of operation of two real-time switched antennas of switch, improve mobile device in the communication quality of different frequency range. but this newly-increased switch module not only increases cost, also increases the load of software in development process.
The application for a patent for invention of application number 201410259438, disclosing a kind of intelligent machine antenna with metal edge frame that can cover seven frequency ranges. this intelligent machine antenna is by arranging power-off gap and metal edge frame is separated into some parts by shorting link. and utilize coupling excitation to go out to be present in gap resonance between metal edge frame and metal medium plate, but coupling excitation is quite responsive for circumferential metal device position and distance, there is unstable risk on stream, need multiple debugging cycle.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of multiband antenna based on metal edge frame, the Antenna Design mode be combined with terminal metal frame is proposed, do not increasing unnecessary circuit unit, and directly signal is directly fed on metal edge frame, good and stable antenna performance characteristic can be provided.
The invention provides a kind of multiband antenna based on metal edge frame, comprise metal edge frame, metal medium plate and insulating support, described metal edge frame, metal medium plate is separately positioned on described insulating support, the base of described metal edge frame is provided with the first fluting and the second fluting, described first fluting, described metal edge frame is divided into first paragraph metal edge frame by the second fluting, second segment metal edge frame and the 3rd section of metal edge frame, described first paragraph metal edge frame is positioned at the side of described first fluting, between the side of the second fluting, described second segment metal edge frame is positioned at the opposite side of described first fluting, described 3rd section of metal edge frame is positioned at the opposite side of described second fluting, described first paragraph metal edge frame is electrically connected with feed-in unit, and described second segment metal edge frame is connected with described metal medium plate by the first shorting link, and described 3rd section of metal edge frame is connected with described metal medium plate by the second shorting link.
As a further improvement on the present invention, described first paragraph metal edge frame is not containing any earth point.
As a further improvement on the present invention, from described feed-in unit through first paragraph metal edge frame, the first fluting to the distance of second segment metal edge frame, the first shorting link between 1/1 to two/3rd operation wavelength of antenna first resonance band centre frequency.
As a further improvement on the present invention, ambroin is filled with respectively in described first fluting, the second fluting.
As a further improvement on the present invention, described first paragraph metal edge frame is extended with the first antenna radiation unit near described second fluting place.
As a further improvement on the present invention, described first antenna radiation unit is monopole antenna.
As a further improvement on the present invention, described second segment metal edge frame is extended with the second antenna radiation unit near described first fluting place.
As a further improvement on the present invention, described second segment metal edge frame is provided with at least one first short circuit shell fragment, described first short circuit shell fragment is positioned near described first shorting link, described 3rd section of metal edge frame is provided with at least one second short circuit shell fragment, and described second short circuit shell fragment is positioned near described second shorting link.
The invention has the beneficial effects as follows: pass through such scheme, the Antenna Design mode be combined with the metal edge frame of terminal is proposed, by arranging the first fluting, metal edge frame is separated into some parts by the second fluting, feed-in unit is utilized directly to be fed into first paragraph metal edge frame, stable antenna performance is provided, and through the first fluting, second slots Energy Coupling to second segment metal edge frame and the 3rd section of metal edge frame, in conjunction with the first shorting link, second shorting link controls operating frequency, increase the frequency range of aerial radiation, it is made to meet the multiband design requirement of long-term evolution upgrading technology, attractive in appearance and tough simultaneously also with respect to metal edge frame.
Accompanying drawing explanation
Fig. 1 is the dorsal view of the metal edge frame of a kind of multiband antenna based on metal edge frame of the present invention.
Fig. 2 is the dorsal view of the embodiment one of a kind of multiband antenna based on metal edge frame of the present invention.
Fig. 3 is the dorsal view of the embodiment two of a kind of multiband antenna based on metal edge frame of the present invention.
Fig. 4 is the test return loss plot of the embodiment two of a kind of multiband antenna based on metal edge frame of the present invention.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiment the present invention is further described.
Drawing reference numeral in Fig. 1 to Fig. 4 is: metal edge frame 1; First paragraph metal edge frame 11; Second segment metal edge frame 12; 3rd section of metal edge frame 13; First fluting 21; Second fluting 22; Feed-in unit 3; Metal medium plate 4; Monopole antenna 51; Second antenna radiation unit 52; First shorting link 61; Second shorting link 62.
Embodiment one
As shown in Figures 1 to 4, a kind of multiband antenna based on metal edge frame, comprise metal edge frame 1, metal medium plate 4 and insulating support, described metal edge frame 1, metal medium plate 4 is separately positioned on described insulating support, the base of described metal edge frame 1 is provided with the first fluting 21 and the second fluting 22, described first fluting 21, described metal edge frame 1 is divided into first paragraph metal edge frame 11 by the second fluting 22, second segment metal edge frame 12 and the 3rd section of metal edge frame 13, described first paragraph metal edge frame 11 is positioned at the side of described first fluting 21, between the side of the second fluting 22, described second segment metal edge frame 12 is positioned at the opposite side of described first fluting 21, described 3rd section of metal edge frame 13 is positioned at the opposite side of described second fluting 22, described first paragraph metal edge frame 11 is electrically connected with feed-in unit 3, described second segment metal edge frame 12 is connected with 4 plates in described metal by the first shorting link 61, described 3rd section of metal edge frame 13 is connected with described metal medium plate 4 by the second shorting link 62, and described first shorting link 61, second shorting link 62 is short dot.
As shown in Figures 1 to 4, described first paragraph metal edge frame 11 is not containing any earth point.
As shown in Figures 1 to 4, slot 21 from described feed-in unit 3 to the distance of second segment metal edge frame 12, first shorting link 61 between 1/1 to two/3rd operation wavelength of antenna first resonance band centre frequency through first paragraph metal edge frame 11, first, and the secondary resonance that frequency ratio is 1:2 can be produced.Energy also can be fed into second segment metal edge frame 12 by the CURRENT DISTRIBUTION on metal medium plate 4 from the first shorting link 61 in addition, this levies mode of resonance and can be used to cover as low frequency frequency ranges such as GSM850/900, and the secondary resonant mode of its correspondence can be used for covering the high-frequency band such as GSM1800/1900/WCDMAB1/TDD-LTEB39.
As shown in Figures 1 to 4, ambroin is filled with respectively in described first fluting 21, second fluting 22.
As shown in Figures 1 to 4, described first paragraph metal edge frame 11 is extended with the first antenna radiation unit near described second fluting 22 places.
As shown in Figures 1 to 4, described first antenna radiation unit is monopole antenna 51.
As shown in Figures 1 to 4, antenna to be slotted the second shorting link 62 of 22 to the three section of metal edge frame 13 from feed-in unit 3 through first paragraph metal edge frame 11, second, and feed-in unit 3 excites the monopole antenna 51 be positioned on insulating support, resonate out the 3rd resonance band.Via suitable configuration, this second shorting link 62 also can provide good impedance matching simultaneously.
Embodiment two (based on embodiment one)
As shown in Figures 1 to 4, described second segment metal edge frame 12 is extended with the second antenna radiation unit 52 near described first fluting 21 places.
As shown in Figures 1 to 4, described second segment metal edge frame 12 is provided with at least one first short circuit shell fragment, described first short circuit shell fragment is positioned near described first shorting link 61, described 3rd section of metal edge frame 13 is provided with at least one second short circuit shell fragment, and described second short circuit shell fragment is positioned near described second shorting link 62.
As shown in Figures 1 to 4, near the first shorting link 61 and the second shorting link 62, several short circuit shell fragment position is reserved by line map, the path of the second antenna radiation unit 52 on collocation insulating support, in product development cycle, the resonance frequency of line all day can be lowered in the situation not changing mould.
Fig. 4 is the test return loss plot of embodiment two Antenna Design, and through the beneficial effect of this example of testing authentication, the bandwidth that can reach these communication frequency bands of 824-960MHz and 1710-2690MHz covers, and is applicable to the Antenna Design of Long Term Evolution.
A kind of multiband antenna based on metal edge frame provided by the invention, about a kind of antenna utilizing the metal outer frame 1 of mobile terminal to form, in order to improve the antenna performance of mobile terminal, metal edge frame 1 arranges several fluting, metal edge frame 1 is distinguished into several region by fluting. antenna radiator is incorporated into wherein several sections of metal edge frames and fluting, utilize the configuration of short dot on metal edge frame 1, make from feed-in unit 3, metal edge frame, fluting forms the radiation path of two similar loop antennas to short dot, add the radiation path of monopole on antenna holder, the frequency range of aerial radiation is made to meet user demand.Antenna is directly connected on first paragraph metal edge frame 11 by feed-in unit 3, energetic portions is coupled to second segment metal edge frame 12 by first paragraph metal edge frame 11 by the first fluting 21, CURRENT DISTRIBUTION in part from metal on plate 4 is by the first shorting link 61(first earth point) resonance of similar loop antenna is formed to second segment metal edge frame 12, two resonance bands frequency ratios of this antenna are 1:2, first resonance bands can contain GSM850/900 frequency range, second resonance bands can contain GSM1800/1900/WCDMAB1/TDD-LTEB39 frequency range, the high-frequency resonance path that second fluting 22 provides another to be coupled with the 3rd section of metal edge frame 13, arrange in pairs or groups at the second shorting link 62(second earth point of the 3rd section of metal edge frame 13) matched well is provided, high frequency frequency range can be increased, and on antenna load point, increase another monopole antenna 51 can increase high frequency frequency range further again, its resonance bands is made to contain TDD-LTEB38/40/41 frequency range. via the suitable configuration of above-mentioned three design parameters, this antenna is applicable to the multiband design requirement of Long Term Evolution.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. the multiband antenna based on metal edge frame, it is characterized in that: comprise metal edge frame, metal medium plate and insulating support, described metal edge frame, metal medium plate is separately positioned on described insulating support, the base of described metal edge frame is provided with the first fluting and the second fluting, described first fluting, described metal edge frame is divided into first paragraph metal edge frame by the second fluting, second segment metal edge frame and the 3rd section of metal edge frame, described first paragraph metal edge frame is positioned at the side of described first fluting, between the side of the second fluting, described second segment metal edge frame is positioned at the opposite side of described first fluting, described 3rd section of metal edge frame is positioned at the opposite side of described second fluting, described first paragraph metal edge frame is electrically connected with feed-in unit, and described second segment metal edge frame is connected with described metal medium plate by the first shorting link, and described 3rd section of metal edge frame is connected with described metal medium plate by the second shorting link.
2. the multiband antenna based on metal edge frame according to claim 1, is characterized in that: described first paragraph metal edge frame is not containing any earth point.
3. the multiband antenna based on metal edge frame according to claim 1, is characterized in that: from described feed-in unit through first paragraph metal edge frame, the first fluting to the distance of second segment metal edge frame, the first shorting link between 1/1 to two/3rd operation wavelength of antenna first resonance band centre frequency.
4. the multiband antenna based on metal edge frame according to claim 1, is characterized in that: be filled with ambroin respectively in described first fluting, the second fluting.
5. the multiband antenna based on metal edge frame according to claim 1, is characterized in that: described first paragraph metal edge frame is extended with the first antenna radiation unit near described second fluting place.
6. the multiband antenna based on metal edge frame according to claim 5, is characterized in that: described first antenna radiation unit is monopole antenna.
7. the multiband antenna based on metal edge frame according to claim 1, is characterized in that: described second segment metal edge frame is extended with the second antenna radiation unit near described first fluting place.
8. the multiband antenna based on metal edge frame according to claim 1, it is characterized in that: described second segment metal edge frame is provided with at least one first short circuit shell fragment, described first short circuit shell fragment is positioned near described first shorting link, described 3rd section of metal edge frame is provided with at least one second short circuit shell fragment, and described second short circuit shell fragment is positioned near described second shorting link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054441.9A CN105552552B (en) | 2016-01-27 | 2016-01-27 | A kind of multiband antenna based on metal edge frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054441.9A CN105552552B (en) | 2016-01-27 | 2016-01-27 | A kind of multiband antenna based on metal edge frame |
Publications (2)
| Publication Number | Publication Date |
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| CN105552552A true CN105552552A (en) | 2016-05-04 |
| CN105552552B CN105552552B (en) | 2018-09-18 |
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| CN201610054441.9A Expired - Fee Related CN105552552B (en) | 2016-01-27 | 2016-01-27 | A kind of multiband antenna based on metal edge frame |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023167A (en) * | 2016-11-04 | 2018-05-11 | 深圳富泰宏精密工业有限公司 | The radio communication device of antenna structure and the application antenna structure |
| CN108400425A (en) * | 2017-02-08 | 2018-08-14 | 中兴通讯股份有限公司 | A kind of mobile terminal and its antenna |
| CN109119758A (en) * | 2018-08-24 | 2019-01-01 | Oppo广东移动通信有限公司 | Antenna module and electronic equipment |
| CN109921174A (en) * | 2017-12-12 | 2019-06-21 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN110445917A (en) * | 2019-08-09 | 2019-11-12 | 北京小米移动软件有限公司 | A kind of terminal |
| CN111063985A (en) * | 2019-12-31 | 2020-04-24 | 联想(北京)有限公司 | Electronic device |
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| CN203850424U (en) * | 2014-03-31 | 2014-09-24 | 小米科技有限责任公司 | Loop antenna system with gaps participating in radiation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108023167A (en) * | 2016-11-04 | 2018-05-11 | 深圳富泰宏精密工业有限公司 | The radio communication device of antenna structure and the application antenna structure |
| CN108400425A (en) * | 2017-02-08 | 2018-08-14 | 中兴通讯股份有限公司 | A kind of mobile terminal and its antenna |
| WO2018145451A1 (en) * | 2017-02-08 | 2018-08-16 | 中兴通讯股份有限公司 | Mobile terminal and antenna thereof |
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| CN109921174A (en) * | 2017-12-12 | 2019-06-21 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
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| CN109119758A (en) * | 2018-08-24 | 2019-01-01 | Oppo广东移动通信有限公司 | Antenna module and electronic equipment |
| CN110445917A (en) * | 2019-08-09 | 2019-11-12 | 北京小米移动软件有限公司 | A kind of terminal |
| CN110445917B (en) * | 2019-08-09 | 2020-10-23 | 北京小米移动软件有限公司 | Terminal |
| CN111063985A (en) * | 2019-12-31 | 2020-04-24 | 联想(北京)有限公司 | Electronic device |
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| CN105552552B (en) | 2018-09-18 |
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