CN105322280A - Antenna of mobile device and mobile device - Google Patents
Antenna of mobile device and mobile device Download PDFInfo
- Publication number
- CN105322280A CN105322280A CN201510284230.XA CN201510284230A CN105322280A CN 105322280 A CN105322280 A CN 105322280A CN 201510284230 A CN201510284230 A CN 201510284230A CN 105322280 A CN105322280 A CN 105322280A
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Abstract
The invention belongs to the technical field of communication, and discloses an antenna of a mobile device. The antenna comprises a metal part; the metal part comprises a first sub antenna, a second sub antenna and a decoupling structure, wherein the first sub antenna comprises a gap and first feed point; the second sub antenna comprises a branch and a second feed point; an L-shaped gap is formed between the branch and the metal part; the decoupling structure comprises a metal connecting part positioned between the first sub antenna and a second sub antenna for eliminating the mutual interference between the first sub antenna and the second sub antenna. The invention also discloses a mobile device using the antenna. The system performance of the antenna is improved, and the appearance design of the antenna is taken into consideration as well.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of antenna and mobile device of mobile device.
Background technology
Along with the development of wireless communication technology, the antenna requirements of market to mobile device is more and more higher, and in MIMO (MultipleInputmultipleOutput, multiple-input and multiple-output) antenna system, the correlation between antenna directly can affect total system.In order to the overall performance of lifting mobile device antenna, improve isolation between antennae, correlation is the primary problem of mimo antenna design.Existing improvement mode comprises increases distance between antenna, isolate with increasing, connection etc. changes line and reduces coupling etc., and the lightening effective enforcement constraining above-mentioned improvement mode of mobile terminal.
Meanwhile, along with metal appearance mobile device widely consumer liked, and the physical property of metal can cause wireless signal and covers and absorb.Product design needs seeking balance point between antenna performance and appearance design, and causing a lot of novel moulding cannot realize.Therefore integral antenna performance and metal product outward appearance become the large difficult point of one in design.
Summary of the invention
Poor for overcoming mimo antenna systematic function in prior art, the problem that appearance design and antenna performance cannot be taken into account, the embodiment of the present invention provides a kind of antenna of mobile device on the one hand, and comprise metal parts, described metal parts comprises:
First sub antenna, described first sub antenna comprises gap and the first feedback point;
Second sub antenna, described second sub antenna comprises branch and the second feedback point, forms " L " shape gap between described branch and described metal parts;
Disappear coupling structure, described in the coupling structure that disappears comprise metallic connection parts between described first sub antenna and the second sub antenna, for eliminating the mutual interference between described first sub antenna and described second sub antenna.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile device, comprises antenna described above.
The embodiment of the present invention is by being located on metal parts by the first sub antenna and the second sub antenna, this metal parts can be the metal back cover of mobile device, shell or frame, achieve the integrated of antenna performance and appearance design, simultaneously, by the metallic connection parts as the coupling structure that disappears, the first sub antenna and the second sub antenna are disappeared coupling, can effectively reduce isolation and correlation, promote antenna performance.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the first embodiment of the antenna of mobile device of the present invention;
Fig. 2 is the structural representation of the second embodiment of the antenna of mobile device of the present invention;
Fig. 3 is the stereogram of Fig. 2;
Fig. 4 is the structural representation of the 3rd embodiment of the antenna of mobile device of the present invention;
Fig. 5 is the return loss emulation schematic diagram of the first embodiment of mobile device of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
When the embodiment of the present invention mentions the ordinal number such as " first ", " second ", unless the meaning of based on context its certain order of representation, should be understood to has been only the use of differentiation.
In describing the invention, it will be appreciated that, term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Please refer to Fig. 1, be the structural representation of the first embodiment of the antenna of mobile device of the present invention, the antenna of this mobile device comprises metal parts 100, and metal parts 100 comprises:
First sub antenna, the first sub antenna comprises gap 101 and the first feedback point 102;
Second sub antenna, the second sub antenna comprises branch 103 and the second feedback point 104, forms " L " shape gap between branch 103 and metal parts 100;
Disappear coupling structure, and the coupling structure that disappears comprises the metallic connection parts 105 between the first sub antenna and the second sub antenna, for eliminating the mutual interference between described first sub antenna and described second sub antenna.
Above-mentioned first feedback point 102 connects the first sub antenna excitation end and the first sub antenna match circuit.
Above-mentioned second feedback point 104 connects the second sub antenna excitation end and the second sub antenna match circuit.
In the present embodiment, the first sub antenna is slot antenna, and the second sub antenna is IFA (Inverted-FAntenna, inverted F-type) antenna.Above-mentioned first feedback point 102 can be located in gap 101, also can be located at edge, gap 101; Above-mentioned second feedback point 104 can be located in branch 103, also can be located on the metallic connection parts 105 that is connected with branch 103.
In the present embodiment, the coupling structure that disappears also can by the size in gap 101, the length of branch 103, and the spacing of the first feedback point 102 and the second feedback point 104 is done tuning.The coupling frequency band that disappears designed by order is the operating frequency of antenna.
In the present embodiment, metal parts is the metal back cover of mobile device.
The embodiment of the present invention is by being located on metal parts by the first sub antenna and the second sub antenna, this metal parts can be the metal back cover of mobile device, achieve the integrated of antenna performance and appearance design, simultaneously, by the metallic connection parts as the coupling structure that disappears, the first sub antenna and the second sub antenna are disappeared coupling, can effectively reduce isolation and correlation, promote antenna performance.
Please refer to Fig. 2, is the structural representation of the second embodiment of the antenna of mobile device of the present invention.
Please refer to Fig. 3, be the stereogram of the second embodiment of the antenna of mobile device of the present invention, the antenna of this mobile device comprises metal parts 200, and metal parts 200 comprises:
First sub antenna, the first sub antenna comprises gap 201 and the first feedback point 202 near gap;
Second sub antenna, the second sub antenna comprises branch 203 and the second feedback point 204 near branch, forms " L " shape gap between branch 203 and metal parts 200;
Disappear coupling structure, and the coupling structure that disappears comprises the metallic connection parts 205 between the first sub antenna and the second sub antenna.
Above-mentioned first feedback point 202 connects the first sub antenna excitation end and the first sub antenna match circuit.
Above-mentioned second feedback point 204 connects the second sub antenna excitation end and the second sub antenna match circuit.
In the present embodiment, the first sub antenna is slot antenna, and the second sub antenna is IFA antenna, and the first sub antenna and the second sub antenna are operated in adjacent frequency bands.
With embodiment one unlike, mobile terminal also comprises substrate 206, disappears between coupling structure and substrate 206 and is also connected with tuning block 207.In the present embodiment, tuning block 207 can be inductance or electric capacity.
The coupling structure that disappears is provided with bending part 208, is positioned at Different Plane to make the first sub antenna and the second sub antenna.When the first sub antenna and the second sub antenna are positioned at Different Plane, the metal parts 200 of the present embodiment antenna can as the shell of mobile device, the layout of antenna when being beneficial to not enough in mobile device inner space.
The antenna of the present embodiment comprises ground structure 209, ground structure 209 near the gap 201 of the first sub antenna, and away from the second sub antenna.
Ground structure 209 comprises shell fragment, support or screw.It should be noted that, the position of ground structure, quantity can be revised according to design requirement.
Ground structure 209 is connected on the screen of mobile device, screen mount or substrate.
The embodiment of the present invention is by increasing tuning block, and making to disappear coupling structure not only can by the size in gap, the length of branch, the spacing of feedback point is done tuning, the coupling frequency band that disappears designed by order is the operating frequency of antenna, meanwhile, also can pass through the operating frequency of tuning block adjustment antenna 1 and antenna 2.Make the determination of operating frequency easier.
Please refer to Fig. 4, is the structural representation of the 3rd embodiment of the antenna of mobile device of the present invention.
With embodiment two unlike, first feedback point 301 and gap between be provided with first coupling feed 302, the second present point 303 and branch between be provided with the second coupling feed 304.First sub antenna is identical with the working band of the second sub antenna, and the distance of the first sub antenna and the second sub antenna is less than 1/4 wavelength of working band.Realize 2.4GHZwifi antenna for the present embodiment, the distance of the first sub antenna and the second sub antenna can be less than 30mm.
Please refer to Fig. 5, is the return loss emulation schematic diagram of the first embodiment of mobile device of the present invention.For wifi antenna in Fig. 5, the coupling frequency band effect that the disappears what 2.4GHz designed by order.The outer Gai Shan Approximately 6dB of S21 Xiang More Gong Zuo Frequency Tapes of its Gong Zuo Frequency Tapes Inner.
The spacing of the first sub antenna and the second sub antenna, under the prerequisite ensureing antenna quality, is controlled to 1/4 wavelength of working band, is conducive to the development of antenna miniaturization by the antenna of the embodiment of the present invention.
The embodiment of the present invention additionally provides a kind of mobile device, employs arbitrary money antenna in above-mentioned antenna embodiment one to embodiment three.
These are only preferred embodiment of the present invention, not in order to limit the present invention, the antenna as the embodiment of the present invention is not limited only to wifi antenna, can also be gps antenna, 2G, 3G, 4G antenna; The position of ground structure, quantity can be revised according to design requirement; Mobile device of the present invention is not limited only to metal structure outward appearance etc., and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an antenna for mobile device, comprises metal parts, it is characterized in that, described metal parts comprises:
First sub antenna, described first sub antenna comprise gap and near be arranged in described gap with first feedback point;
Second sub antenna, described second sub antenna comprises branch and the second feedback point, forms " L " shape gap between described branch and described metal parts;
Disappear coupling structure, described in the coupling structure that disappears comprise metallic connection parts between described first sub antenna and the second sub antenna, for eliminating the mutual interference between described first sub antenna and described second sub antenna.
2. the antenna of mobile device as claimed in claim 1, it is characterized in that, described first sub antenna is slot antenna, and described second sub antenna is Inverted F-shaped Antenna.
3. the antenna of mobile device as claimed in claim 1 or 2, it is characterized in that, described mobile terminal also comprises substrate, described in disappear between coupling structure and described substrate and be also connected with tuning block.
4. the antenna of mobile device as claimed in claim 3, is characterized in that, described in the coupling structure that disappears be provided with bending part, be positioned at Different Plane to make described first sub antenna and the second sub antenna.
5. the antenna of mobile device as claimed in claim 4, it is characterized in that, described first sub antenna is identical with the working band of described second sub antenna, and the distance of described first feedback point and the second feedback point is less than 1/4 wavelength of described working band.
6. the antenna of mobile device as claimed in claim 5, is characterized in that, also comprise ground structure, described ground structure near the gap of described first sub antenna, and away from described second sub antenna.
7. the antenna of mobile device as claimed in claim 6, it is characterized in that, described ground structure comprises shell fragment, support or screw.
8. the antenna of mobile device as claimed in claim 7, is characterized in that, described ground structure is connected on the screen of described mobile device, screen mount or substrate.
9. the antenna of mobile device as claimed in claim 1 or 2, is characterized in that, described metal parts is the metallic support of mobile device, metal back cover, metal edge frame or metal shell.
10. a mobile device, is characterized in that, comprises the antenna as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284230.XA CN105322280B (en) | 2015-05-28 | 2015-05-28 | A kind of antenna and mobile device of mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284230.XA CN105322280B (en) | 2015-05-28 | 2015-05-28 | A kind of antenna and mobile device of mobile device |
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| Publication Number | Publication Date |
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| CN105322280A true CN105322280A (en) | 2016-02-10 |
| CN105322280B CN105322280B (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510284230.XA Active CN105322280B (en) | 2015-05-28 | 2015-05-28 | A kind of antenna and mobile device of mobile device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634316A (en) * | 2016-07-19 | 2018-01-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
| CN108886196A (en) * | 2016-09-29 | 2018-11-23 | 华为技术有限公司 | A kind of terminal |
| CN109586029A (en) * | 2018-12-18 | 2019-04-05 | 歌尔股份有限公司 | Antenna assembly and electronic equipment |
| US11038256B2 (en) | 2016-07-19 | 2021-06-15 | Chiun Mai Communication Systems, Inc. | Antenna structure and wireless communication device using same |
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| CN203826540U (en) * | 2014-05-28 | 2014-09-10 | 惠州硕贝德无线科技股份有限公司 | Antenna for communication equipment with metal casing |
| CN104505575A (en) * | 2014-12-29 | 2015-04-08 | 上海安费诺永亿通讯电子有限公司 | Adjustable antenna for all-metal structural communication terminal equipment |
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| US20120256800A1 (en) * | 2009-12-14 | 2012-10-11 | Reetta Kuonanoja | Multiband antenna structure and methods |
| CN201946745U (en) * | 2010-12-01 | 2011-08-24 | 惠州Tcl移动通信有限公司 | Built-in antenna with four frequency ranges and mobile communication terminal thereof |
| CN102368575A (en) * | 2011-09-08 | 2012-03-07 | 广东欧珀移动通信有限公司 | Built-in secondary radiating antenna |
| CN103842931A (en) * | 2011-09-30 | 2014-06-04 | 谷歌公司 | Antennas for computers with conductive chassis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634316A (en) * | 2016-07-19 | 2018-01-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
| CN107634305A (en) * | 2016-07-19 | 2018-01-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
| US11038256B2 (en) | 2016-07-19 | 2021-06-15 | Chiun Mai Communication Systems, Inc. | Antenna structure and wireless communication device using same |
| CN108886196A (en) * | 2016-09-29 | 2018-11-23 | 华为技术有限公司 | A kind of terminal |
| CN108886196B (en) * | 2016-09-29 | 2020-08-25 | 华为技术有限公司 | Terminal |
| US11114746B2 (en) | 2016-09-29 | 2021-09-07 | Huawei Technologies Co., Ltd. | Terminal |
| CN109586029A (en) * | 2018-12-18 | 2019-04-05 | 歌尔股份有限公司 | Antenna assembly and electronic equipment |
| CN109586029B (en) * | 2018-12-18 | 2024-04-05 | 歌尔股份有限公司 | Antenna device and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN105322280B (en) | 2019-07-26 |
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