CN108736144B - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN108736144B CN108736144B CN201810271914.XA CN201810271914A CN108736144B CN 108736144 B CN108736144 B CN 108736144B CN 201810271914 A CN201810271914 A CN 201810271914A CN 108736144 B CN108736144 B CN 108736144B
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- Prior art keywords
- mobile terminal
- antenna
- diversity antenna
- wifi
- lte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
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- Details Of Aerials (AREA)
- Telephone Set Structure (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a mobile terminal which comprises a main board, a WiFi main antenna, a WiFi diversity antenna, an LTE diversity antenna, a plurality of matching pieces and a selection switch, wherein the main board is provided with a grounding part; the WiFi main antenna, the WiFi diversity antenna and the LTE diversity antenna are arranged on the main board, and the WiFi diversity antenna and the LTE diversity antenna are arranged separately; the matching pieces and the selection switch are arranged on a signal feed path of the LTE diversity antenna in parallel, and the selection switch is used for selecting one of the matching pieces to be connected into the signal feed path. The mobile terminal can improve the isolation between the WiFi diversity antenna and the LTE diversity antenna, realizes the selection of the sending frequency of the LTE diversity antenna, and the sending frequency of the LTE diversity antenna is more flexible and diversified.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a mobile terminal.
Background
With the rapid development of mobile communication technology, WiFi functions on mobile terminals such as mobile phone terminals are used more and more widely, and the development of mobile internet doubles the short-distance wireless data flow, and puts higher requirements on WiFi communication, wherein it is a very important direction to introduce a multi-antenna technology in WiFi communication to enhance the anti-interference capability of WiFi and improve the throughput rate, so as to improve the effectiveness and reliability of WiFi communication. Due to the fact that a mobile phone terminal is narrow and the environment is very complex, some schemes use a mode of sharing an antenna by LTE diversity and WiFi diversity to realize WiFi multi-antenna communication, but due to the isolation problem, if the mobile phone is used as a hot spot, the WiFi diversity antenna cannot be used, and the use scene of the WiFi multi-antenna is limited to a great extent; if the scheme of separating the LTE diversity from the WiFi diversity is adopted, the isolation between the main antenna and the diversity antenna becomes a problem that is difficult to solve because the mobile phone is thin and light and the wireless function is complicated.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the present invention needs to provide a mobile terminal, which can improve the isolation between the WiFi diversity antenna and the LTE diversity antenna, and implement flexible selection of the transmission frequency of the LTE diversity antenna.
In order to solve the above problem, the present invention provides a mobile terminal, which includes a main board having a grounding portion; the WiFi main antenna, the WiFi diversity antenna and the LTE diversity antenna are arranged on the mainboard, wherein the WiFi diversity antenna and the LTE diversity antenna are arranged separately; the matching pieces and the selection switch are arranged on a signal feed path of the LTE diversity antenna in parallel, and the selection switch is used for selecting one matching piece of the matching pieces to be connected into the signal feed path.
According to the mobile terminal, the isolation degree can be increased by adopting a mode of separately arranging the WiFi diversity antenna and the LTE diversity antenna, different matching pieces are selected by the selection switch to be accessed to the signal feed circuit of the LTE diversity antenna, the selection of the coverage frequency band of the LTE diversity antenna can be realized, and the sending frequency of the LTE diversity antenna is more flexible and diversified.
In some embodiments of the present invention, the first grounding element is connected to the grounding portion of the motherboard, and the first grounding element is located between the WiFi main antenna and the LTE diversity antenna, so that the WiFi diversity antenna and the LTE diversity antenna can be used simultaneously while the isolation between the WiFi main antenna and the LTE diversity antenna is ensured, and the problem that the WiFi diversity antenna cannot be used when the mobile terminal is used as a hot spot is avoided.
In some embodiments of the invention, the mobile terminal further comprises: a GPS antenna; and the second grounding piece is connected with the grounding part of the mainboard and is positioned between the LTE diversity antenna and the GPS antenna, so that the isolation between the LTE diversity antenna and the GPS antenna can be improved.
In some embodiments of the present invention, the WiFi main antenna, the LTE diversity antenna, the first ground, the GPS antenna, and the second ground are respectively located at an upper portion of the mobile terminal, and the WiFi diversity antenna is located at a lower portion of the mobile terminal.
In some embodiments of the present invention, the main antenna of the mobile terminal is located at a lower right portion of the mobile terminal.
In some embodiments of the invention, the selection switch comprises a single pole, multiple throw switch.
In some embodiments of the present invention, the mobile terminal includes an earphone socket, the first grounding piece is the earphone socket of the mobile terminal, and the earphone socket is connected to the grounding portion of the main board.
In some embodiments of the present invention, the second grounding part comprises a camera of the mobile terminal, and the camera is connected to the grounding part of the main board.
In some embodiments of the invention, the camera is a rear camera.
In some embodiments of the present invention, the camera includes a body and a metal decoration, and the body and the metal decoration are respectively connected to the ground portion of the main board.
Drawings
FIG. 1 is a schematic diagram of a mobile terminal according to one embodiment of the present invention; and
fig. 2 is a schematic diagram of a mobile terminal according to another embodiment of the present invention.
Reference numerals:
the mobile terminal 100 is provided with a display device,
the main board 10, WiFi main antenna 20, WiFi diversity antenna 21, LTE diversity antenna 30 and first ground 40, GPS antenna 50 and second ground 60,
the main antenna 70, the earphone seat body 41 and the grounding wire 42, the camera body 61 and the metal ornament 62, the matching piece 80 and the selection switch 90.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A mobile terminal proposed according to an embodiment of the present invention is described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a mobile terminal according to an embodiment of the present invention, and as shown in fig. 1, the mobile terminal 100, for example, a handset, includes: mainboard 10, WiFi main antenna 20, WiFi diversity antenna 21, LTE diversity antenna 30 and first ground piece 40.
The main board 10 has a grounding portion, for example, a main ground system of the mobile terminal 100, the WiFi main antenna 20, the WiFi diversity antenna 21, and the LTE diversity antenna 30 are disposed on the main board 10, the WiFi main antenna 20 includes the WiFi main antenna 20 of 2.4G and 5G or one of them, and a dual feed of signals can be realized through a secondary antenna as shown in fig. 1, or two antennas are respectively used for realizing the feed. Since the WiFi diversity antenna 21 and the LTE diversity antenna 30 are separately disposed, the WiFi diversity antenna 21 can be used in a scene where the mobile terminal 100 is a hot spot, compared to a manner that the WiFi diversity antenna 21 and the LTE diversity antenna 30 are collinear.
The first grounding part 40 is connected to a grounding part of the main board 10, for example, a main ground system of the mobile terminal 100, and the first grounding part 40 is located between the WiFi main antenna 20 and the LTE diversity antenna 30, so that the isolation between the WiFi main antenna 20 and the LTE diversity antenna 30 can be improved.
According to the mobile terminal 100 of the embodiment of the invention, the problem of the isolation between the WiFi diversity antenna 21 and the LTE diversity antenna 30 is solved by adopting the manner that the WiFi diversity antenna 21 and the LTE diversity antenna 30 are separately arranged and the first grounding piece 40, so that the WiFi diversity antenna 21 and the LTE diversity antenna 30 can be simultaneously used while the isolation between the WiFi main antenna 20 and the LTE diversity antenna 30 is ensured, and the problem that the WiFi diversity antenna 21 cannot be used when the mobile terminal 100 is used as a hot spot is avoided.
As shown in fig. 1, the mobile terminal 100 further includes a GPS antenna 50 and a second grounding member 60, the second grounding member 60 is connected to the grounding portion of the main board 10 and is located between the LTE diversity antenna 30 and the GPS antenna 50, that is, the second grounding member 60 can improve the isolation between the LTE diversity antenna 30 and the GPS antenna 50.
In one embodiment of the present invention, as shown in fig. 1, the WiFi main antenna 20, the LTE diversity antenna 30, the first ground 40, the GPS antenna 50, and the second ground 60 are respectively located at an upper portion of the mobile terminal 100, and the WiFi diversity antenna 21 is located at a lower portion of the mobile terminal 100.
Specifically, as shown in fig. 1, the WiFi diversity antenna 21 is located at the lower left portion of the mobile terminal 100, generally, the main antenna 70 of the mobile terminal 100 is located at the lower right corner of the mobile terminal 100, the WiFi diversity antenna 21 and the main antenna 70 multiplex a partial radiator, the WiFi diversity antenna 21 adopts a single cable head feed, and the WiFi main antenna 20 is located at the upper right portion of the mobile terminal 100, so that the WiFi performance can be prevented from being rapidly deteriorated due to the hand holding when the mobile terminal 100 is used by a landscape screen.
According to the arrangement position of each antenna, in an embodiment of the present invention, the mobile terminal 100 includes an earphone base, the first grounding element 40 may include an earphone base, the earphone base is connected to the grounding portion of the main board 10, generally, as shown in fig. 1, the earphone base includes an earphone base body 41 and a ground-covering wire 42, for example, a ground-covering wire outside a pin of the earphone base body 41, the earphone base is connected to the main system of the mobile terminal 100 through the ground-covering wire 42, and the impedance between the earphone base and the main system is within 1 ohm, that is, the ground-covering wire 42 of the earphone base is grounded, so that the isolation between the WiFi main antenna 20 and the LTE diversity antenna 30 is improved.
Specifically, the second ground 60 includes a camera of the mobile terminal 100, which is connected to the ground of the main board 10. I.e. the isolation between the LTE diversity antenna 30 and the GPS antenna 50 is improved by camera grounding. Specifically, the grounded camera may be a rear camera of the mobile terminal 100 according to the setting of the position. As shown in fig. 1, the camera includes a body 61 and a metal ornament 62, the body 61 and the metal ornament 62 are respectively connected to the grounding portion of the main board 10 of the mobile terminal 100, and the impedance is within 1 ohm, that is, the isolation between the LTE diversity antenna 30 and the GPS antenna 50 can be improved by grounding the main body 61 of the camera and the metal ornament 62 thereof.
In summary, the isolation between the WiFi main antenna 20, the LTE diversity antenna 30, and the GPS antenna 50, particularly the low frequency diversity band antenna, can be effectively improved by grounding via the grounding member such as the main body 61 and the metal ornament 62 of the camera and the ground-covering wire 42 of the earphone holder multiplexed with the general structural member.
As shown in fig. 1, a matching element 80, such as an inductor, a capacitor, or a 0 ohm resistor, is further disposed on the signal feed path of the LTE diversity antenna 30, and the LTE diversity antenna 30 can cover the 935-960MHz, 1805-2690MHz frequency band by matching of the matching element 80.
Further, as shown in fig. 2, which is a schematic diagram of a mobile terminal according to another embodiment of the present invention, a selection switch 90 may be disposed on a signal feed of the LTE diversity antenna 30, the selection switch 90 is connected to the plurality of matching elements 80, and one of the plurality of matching elements 80 may be selected to access the signal feed through the selection switch 90, so as to implement selection of a coverage frequency band of the LTE diversity antenna 30. For example, a selection switch 90, such as a single-pole multi-throw switch, is connected in series to one of the ground pins of the LTE diversity antenna 30, a matching element 80 is connected in series to each of the paths of the single-pole multi-throw switch and is connected to the main ground system of the mobile terminal 100, and one of the ground return paths can be selected by opening or closing the single-pole multi-throw switch, so that the LTE diversity antenna 30 can cover different frequency bands, such as the frequency band of 729 and 960MHz, and the frequency band of 1805 and 2690MHz, by combining different states.
In summary, the mobile terminal 100 according to the embodiment of the present invention can meet the requirement of coexistence of the LTE diversity antenna 30 and the WiFi diversity antenna 21 under the condition that the isolation is ensured, and at the same time, can effectively reduce the influence of the hand holding of the mobile terminal 100 when the mobile terminal is used in a horizontal screen mode on the WiFi performance.
It should be noted that in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A mobile terminal, comprising:
a main board having a ground portion;
the WiFi main antenna, the WiFi diversity antenna and the LTE diversity antenna are arranged on the mainboard, the WiFi diversity antenna and the LTE diversity antenna are arranged separately, the LTE diversity antenna is positioned on the upper portion of the mobile terminal, the WiFi diversity antenna is positioned on the lower left portion of the mobile terminal, and the WiFi main antenna is positioned on the upper right portion of the mobile terminal, wherein the WiFi main antenna comprises 2.4G or 5G or one of the two WiFi main antennas;
the matching pieces and the selection switch are arranged on a signal feed path of the LTE diversity antenna in parallel, and the selection switch is used for selecting one matching piece of the matching pieces to be connected into the signal feed path.
2. The mobile terminal of claim 1, further comprising:
the first grounding piece is connected with the grounding part of the mainboard, and the first grounding piece is positioned between the WiFi main antenna and the LTE diversity antenna.
3. The mobile terminal of claim 2, further comprising:
a GPS antenna;
and the second grounding piece is connected with the grounding part of the mainboard and is positioned between the LTE diversity antenna and the GPS antenna.
4. The mobile terminal of claim 3,
the first grounding piece, the GPS antenna and the second grounding piece are respectively positioned at the upper part of the mobile terminal.
5. The mobile terminal of claim 4, wherein the main antenna of the mobile terminal is located at a lower right portion of the mobile terminal.
6. The mobile terminal of claim 1, wherein the selection switch comprises a single pole, multiple throw switch.
7. The mobile terminal of claim 2, wherein the mobile terminal comprises an earphone socket, the first grounding piece is the earphone socket of the mobile terminal, and the earphone socket is connected to the grounding portion of the main board.
8. The mobile terminal of claim 3, wherein the second ground connection comprises a camera of the mobile terminal, the camera connected to the ground connection of the motherboard.
9. The mobile terminal of claim 8, wherein the camera is a rear-facing camera.
10. The mobile terminal of claim 8, wherein the camera comprises a body and a metal decoration, and the body and the metal decoration are respectively connected to the ground portion of the main board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271914.XA CN108736144B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906608.5A CN105514605B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
| CN201810271914.XA CN108736144B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510906608.5A Division CN105514605B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108736144A CN108736144A (en) | 2018-11-02 |
| CN108736144B true CN108736144B (en) | 2020-09-18 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271914.XA Active CN108736144B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
| CN201510906608.5A Expired - Fee Related CN105514605B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510906608.5A Expired - Fee Related CN105514605B (en) | 2015-12-09 | 2015-12-09 | Mobile terminal |
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| CN (2) | CN108736144B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252881B (en) * | 2016-09-12 | 2018-01-19 | 广东欧珀移动通信有限公司 | Antenna assembly and mobile terminal |
| CN106450772A (en) * | 2016-11-17 | 2017-02-22 | 广东欧珀移动通信有限公司 | Antenna assembly used in mobile terminal and mobile terminal |
| WO2019033311A1 (en) * | 2017-08-16 | 2019-02-21 | 深圳传音制造有限公司 | Terminal device |
| CN107834200A (en) * | 2017-09-28 | 2018-03-23 | 青岛海信移动通信技术股份有限公司 | A kind of antenna assembly and mobile terminal for mobile terminal |
| CN111201833A (en) * | 2017-10-10 | 2020-05-26 | 深圳传音制造有限公司 | Mobile terminal and control method thereof |
| CN108448248A (en) * | 2018-01-25 | 2018-08-24 | 瑞声科技(新加坡)有限公司 | A kind of antenna system and terminal |
| CN111129736B (en) * | 2019-12-31 | 2021-10-22 | 联想(北京)有限公司 | Electronic device |
| CN113809511A (en) * | 2020-06-17 | 2021-12-17 | 深圳富泰宏精密工业有限公司 | Antenna structure and electronic equipment with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103187628A (en) * | 2011-12-28 | 2013-07-03 | 北京光宝移动电子电信部件有限公司 | Antenna device for receiving radio broadcasting signal |
| CN203289426U (en) * | 2013-01-10 | 2013-11-13 | 东莞宇龙通信科技有限公司 | Mobile terminal capable of realizing multi-antenna structure |
| CN104577334A (en) * | 2015-02-11 | 2015-04-29 | 小米科技有限责任公司 | Antenna module and mobile terminal |
| CN204616107U (en) * | 2015-05-21 | 2015-09-02 | 上海鼎讯电子有限公司 | There is the mobile terminal of CDMA Combined antenna module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8106838B2 (en) * | 2009-02-05 | 2012-01-31 | Research In Motion Limited | Mobile wireless communications device having diversity antenna system and related methods |
| CN101958945A (en) * | 2010-09-17 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Method for meeting mobile phone antenna HAC demand and mobile phone device |
| CN202111697U (en) * | 2011-06-27 | 2012-01-11 | 江苏东大集成电路***工程技术有限公司 | Wi-Fi double-antenna data collector |
| CN104144515A (en) * | 2013-05-08 | 2014-11-12 | 中兴通讯股份有限公司 | Terminal and method for achieving network sharing of WIFI hot spots of terminal |
| TWI540788B (en) * | 2014-01-15 | 2016-07-01 | 啟碁科技股份有限公司 | Wireless communication device and method of adjusting antenna matching |
-
2015
- 2015-12-09 CN CN201810271914.XA patent/CN108736144B/en active Active
- 2015-12-09 CN CN201510906608.5A patent/CN105514605B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187628A (en) * | 2011-12-28 | 2013-07-03 | 北京光宝移动电子电信部件有限公司 | Antenna device for receiving radio broadcasting signal |
| CN203289426U (en) * | 2013-01-10 | 2013-11-13 | 东莞宇龙通信科技有限公司 | Mobile terminal capable of realizing multi-antenna structure |
| CN104577334A (en) * | 2015-02-11 | 2015-04-29 | 小米科技有限责任公司 | Antenna module and mobile terminal |
| CN204616107U (en) * | 2015-05-21 | 2015-09-02 | 上海鼎讯电子有限公司 | There is the mobile terminal of CDMA Combined antenna module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105514605A (en) | 2016-04-20 |
| CN108736144A (en) | 2018-11-02 |
| CN105514605B (en) | 2018-05-01 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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