CN205122751U - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
- Publication number
- CN205122751U CN205122751U CN201520741709.7U CN201520741709U CN205122751U CN 205122751 U CN205122751 U CN 205122751U CN 201520741709 U CN201520741709 U CN 201520741709U CN 205122751 U CN205122751 U CN 205122751U
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- Prior art keywords
- mainboard
- sheet metal
- limit
- antenna
- contact point
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- Telephone Set Structure (AREA)
- Support Of Aerials (AREA)
Abstract
The utility model relates to an antenna device and mobile terminal. Antenna device includes mainboard, master antenna, slave antenna and first sheetmetal, and first sheetmetal is set up the side on the first limit of mainboard to be electrically connected to the ground connection department of mainboard via first make contact, first make contact is located the first limit department of mainboard, and master antenna and slave antenna are set up and be located the second limit and the third limit department of mainboard respectively in the at least one side of mainboard, and second limit and third limit do not border on. Mobile terminal includes above -mentioned antenna device.
Description
Technical field
The utility model relates generally to the electromagnetic radiation field of mobile terminal, particularly relates to a kind of antenna assembly and mobile terminal.
Background technology
SAR (SpecificAbsorptionRate, specific absorption rate) refer to timing in any 6 minutes average, the electromagnetic radiation energy of per kilogram organism (especially human body) tissue resorption, with watts per kilogram (W/kg) for unit.Particularly, for the mobile terminal of such as mobile phone and so on, SAR refers to radiation from mobile terminal by the ratio of the soft tissue absorbed of human body head.Generally, the SA0R value of mobile terminal is less, then represent that the amount of radiation absorbed by brain is less.Up to the present, the international standard about SAR has two: European standard, i.e. 2W/kg, and Unite States Standard, i.e. 1.6W/kg.
Because the size of SAR value determines the impact of electromagnetic radiation on human body of mobile terminal to a great extent, so adopt diverse ways to reduce the SAR value of mobile terminal.
In the prior art, following methods can be adopted to reduce the SAR value of mobile terminal:
(1) add electromagnetic wave absorbent material in the terminal, but the usual price of electromagnetic wave absorbent material of adding is very high, this can cause the cost of mobile terminal to increase, thus reduces the market competitiveness of mobile terminal further;
(2) reduce the transmitting power of mobile terminal, but can cause TRP (TotalRadiatedPower, radiant power and) reduction, thus make the hydraulic performance decline of mobile terminal, affect the actual experience of user;
(3) form of antenna is adjusted, but the debugging cycle of mobile terminal can be extended, thus affect the progress of the development project of mobile terminal, finally have influence on the Time To Market of mobile terminal.
Meanwhile, the scheme realizing the low frequency performance of antenna in prior art is: the length increasing mainboard in mobile terminal, thus realizes the low frequency performance of antenna, but this can increase the overall dimensions of mobile terminal, causes the portability of mobile terminal to decline.
Utility model content
In view of this, the utility model proposes a kind of device and the mobile terminal with low SAR and size reduction, under not increasing cost, do not extend debugging cycle and not sacrificing the prerequisite of the performance of mobile terminal, the SAR value of mobile terminal can be reduced, reduces the size of mobile terminal simultaneously.
The utility model relates to a kind of antenna assembly, described device comprises mainboard, main antenna, slave antenna and the first sheet metal, described first sheet metal is arranged on the side on the first limit of described mainboard, and the ground connection place of described mainboard is electrically connected to via first make contact, described first make contact is positioned at the described first limit place of described mainboard, described main antenna and described slave antenna are arranged at least simultaneously upper of described mainboard and lay respectively at Second Edge and the 3rd limit place of described mainboard, and described Second Edge and described 3rd limit do not adjoin.
Further, described mainboard is rectangular, and described first limit is a long limit of described mainboard.
Further, between described first sheet metal with the plane at described mainboard place, there is following relation: parallel, vertical, coplanar.
Further, the mounting means of described first sheet metal is one of following: be installed on described mainboard via structural member, be installed to separately on described mainboard.
Further, described structural member is the shell of the mobile terminal comprising described device.
Further, described device also comprises the second sheet metal, described second sheet metal is arranged on the side on the 4th limit of described mainboard, and the described ground connection place of described mainboard is electrically connected to via the second contact point, described 4th limit and described first limit do not adjoin, and described second contact point is positioned at the described 4th limit place of described mainboard.
Further, described first sheet metal and described second sheet metal have identical size and symmetrical relative to the geometric center of described mainboard, described first make contact and described second contact point symmetrical relative to the geometric center of described mainboard.
Further, described second contact point aligns with one end of described first sheet metal, and described second contact point aligns with one end of described second sheet metal.
Further, described device also comprises the 3rd sheet metal, described 3rd sheet metal is arranged on the side on described first limit of described mainboard, and is electrically connected to the described ground connection place of described mainboard via the 3rd contact point, and described 3rd contact point is positioned at the described first limit place of described mainboard.
The utility model also relates to a kind of mobile terminal, it is characterized in that, described mobile terminal comprises antenna assembly arbitrarily as above.
The utility model increases sheet metal in the device of mobile terminal, and makes sheet metal be electrically connected to the ground connection place of mainboard.In this way, equivalence extends length and the area of mainboard ground connection, can shift and disperse SAR hot spot, so that reduces SAR value.In addition, because equivalence extends the length of mainboard when not increasing main board length, the low frequency performance of antenna is achieved, because this reducing the size of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the device according to an embodiment of the present utility model, and this device comprises a sheet metal;
Fig. 2 is the schematic diagram of the device according to a preferred embodiment of the present utility model, and this device comprises a sheet metal;
Fig. 3 is the schematic diagram of the device according to an embodiment of the present utility model, and this device comprises two sheet metals;
Fig. 4 is the schematic diagram of the device according to a preferred embodiment of the present utility model, and this device comprises two sheet metals;
Fig. 5 is the schematic diagram of the device according to another preferred embodiment of the present utility model, and this embodiment is another optimal technical scheme of use two sheet metals; And
Fig. 6 is the schematic diagram of the device according to an embodiment of the present utility model, and this device comprises three sheet metals.
In the accompanying drawings, similar Reference numeral represents identical structure, and no longer repeats identical structure.
Embodiment
Fig. 1 is the schematic diagram of the device according to an embodiment of the present utility model, and this device comprises a sheet metal.As shown in fig. 1, this device comprises mainboard 1, main antenna 2, slave antenna 3, sheet metal 11.
Main antenna 2 and slave antenna 3 are arranged at least simultaneously upper of mainboard 1 and arrange in two limits along mainboard 1.More preferably, two limits at main antenna 2 and slave antenna 3 place respectively do not adjoin each other.Main antenna 2 and slave antenna 3 can be electrically connected on the circuit (not shown) of mainboard 1 via metal clips (not shown) or other modes.Main antenna 2 and slave antenna 3 can be unipole antenna, IFA (Inverted-FAntenna according to polarization mode, inverse-F antenna), PIFA (PlanarInverted-FAntenna, planar inverted-F antenna) or there is the antenna of other polarization modes.Main antenna 2 and slave antenna 3 can be support FPC (FlexiblePrintedCircuit, flexible printed circuit board) antenna, LDS (LaserDirectStructuring, laser direct forming) antenna or adopt other forms of antenna.Mainboard 1 can be the mainboard of PCB (PrintedCircuitBoard, printed circuit board (PCB)) type.
Sheet metal 11 is arranged on any position of the side on a limit of mainboard 1, and is electrically connected to the ground connection place of mainboard 1 via contact point 11a.The limit at sheet metal 11 place is all not identical with the limit at slave antenna 3 place with main antenna 2.Sheet metal 11 can with mainboard 1 place co-planar, vertical, parallel, even arbitrarily angled in other.Sheet metal 11 can be installed on mainboard 1 via structural member.Now, the contact point 11a of sheet metal 11 is different from structural member.Sheet metal 11 also can be installed to separately on mainboard 1.Now, contact point 11a can also play the effect of support metal sheet 11.Structural member can be the shell of the mobile terminal comprising this device, or other supports.As long as contact point 11a is positioned at the limit place corresponding with sheet metal 11 of mainboard 1, be not specifically limited to the ad-hoc location on this limit.The difference of the position of contact point 11a on the aforementioned limit of mainboard 1 causes the SAR value of the mobile terminal comprising this device to change.Sheet metal 11 can adopt the conventional metal material of such as copper and so on to make.Preferably, mainboard 1 rectangular shaped.Now, sheet metal 11 is positioned at the side on the long limit of mainboard 1.
Fig. 2 is the schematic diagram of the device according to a preferred embodiment of the present utility model, and this device comprises a sheet metal 11.The difference of the device in the device of the preferred embodiment of the present utility model shown in Fig. 2 and Fig. 1 is only, sheet metal 11 is electrically connected to the ground connection place of mainboard 1 via four contact points 11a, 11b, 11c, 11d.Specifically, sheet metal 11 is connected to contact point 11a place, and contact point 11b, 11c, 11d can be electrically connected to contact point 11a place by the printed wire on wire or mainboard 1.Contact point 11a, 11b, 11c, 11d are connected respectively to the ground connection place of mainboard 1.In contact point 11a, 11b, 11c, 11d, two contact points 11a, 11b are positioned on the limit corresponding to sheet metal 11 of mainboard 1, and two other contact point 11c, 11d are positioned on the another side different with aforementioned limit of mainboard.Further, the limit at contact point 11a, 11b, 11c, 11d place is all not identical with the limit at slave antenna 3 place with main antenna 2.More preferably, the position of contact point 11a, 11b in its corresponding sides and contact point 11a, 11b, 11c, 11d position on two limits that it is corresponding can be symmetrical about the geometric center of mainboard 1.More preferably, when mainboard 1 is rectangular, sheet metal 11 is positioned at the side on the long limit of mainboard 1, and contact point 11a, 11b and contact point 11c, 11d lay respectively at two long edge positions of mainboard 1.
Fig. 3 is the schematic diagram of the device according to an embodiment of the present utility model, and this device comprises two sheet metals.As shown in Figure 3, this device comprises mainboard 1, main antenna 2, slave antenna 3, sheet metal 11 and 12.
Sheet metal 11,12 lays respectively at the side on two limits of mainboard 1, and is electrically connected to the ground connection place of mainboard 1 via contact point 11a, 12a respectively.Contact point 11a can be positioned at any position on the limit of sheet metal 11 side of mainboard 1.Contact point 12a can be positioned at any position on the limit of sheet metal 12 side of mainboard 1.More preferably, the limit corresponding to sheet metal 11 and the limit corresponding to sheet metal 12 do not adjoin.More more preferably, when mainboard 1 is rectangular, sheet metal 11,12 lays respectively at the side on two long limits of mainboard 1.
Figure 4 and 5 are respectively the schematic diagram of the device according to two preferred embodiments of the present utility model.This device comprises two sheet metals 11,12, and wherein, sheet metal 11,12 at one end aligns with respective contact point respectively.Sheet metal 11,12 can have identical size.
In the diagram, two sheet metals 11,12 of this device lay respectively at the side on two limits of mainboard 1.Sheet metal 11,12 further can be symmetrical about the geometric center of mainboard 1.Equally, the geometric center on two limits corresponding to sheet metal 11,12 that contact point 11b, 12b between sheet metal 11,12 and mainboard 1 lay respectively at mainboard 1 and about mainboard 1 is symmetrical.In a preferred embodiment, the plane parallel at sheet metal 11,12 and mainboard 1 place.And the justify align on the limit of the two ends of sheet metal 11 and corresponding mainboard 1, the justify align on the two ends of sheet metal 12 and the limit of corresponding mainboard 1.
The difference of the layout in device in Figure 5 and Fig. 4 is only, the layout of sheet metal 11,12 and corresponding contact point 11c, 12c is contrary with the direction of the layout in Fig. 4 along the direction of mainboard 1.
Fig. 6 is the schematic diagram of the device according to an embodiment of the present utility model, and this device comprises three sheet metals.In figure 6, in three sheet metals 101,102,103 of device, sheet metal 101,103 is positioned at the side on a limit of mainboard 1, and sheet metal 102 is positioned at the side of another side.Sheet metal 101,102,103 is electrically connected to the ground connection place of mainboard 1 respectively via contact point 101a, 102a, 103a.Contact point 101a, 102a, 103a lay respectively at any position on two limits corresponding to sheet metal 101,102,103 of mainboard 1.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations, and protection range of the present utility model is as the criterion with claim.
Claims (10)
1. an antenna assembly, it is characterized in that, described device comprises mainboard, main antenna, slave antenna and the first sheet metal, described first sheet metal is arranged on the side on the first limit of described mainboard, and the ground connection place of described mainboard is electrically connected to via first make contact, described first make contact is positioned at the described first limit place of described mainboard, described main antenna and described slave antenna are arranged at least simultaneously upper of described mainboard and lay respectively at Second Edge and the 3rd limit place of described mainboard, and described Second Edge and described 3rd limit do not adjoin.
2. antenna assembly according to claim 1, is characterized in that, described mainboard is rectangular, and described first limit is a long limit of described mainboard.
3. antenna assembly according to claim 1 and 2, is characterized in that, has following relation: parallel, vertical, coplanar between described first sheet metal with the plane at described mainboard place.
4. antenna assembly according to claim 1 and 2, is characterized in that, the mounting means of described first sheet metal is one of following: be installed on described mainboard via structural member, be installed to separately on described mainboard.
5. antenna assembly according to claim 4, is characterized in that, described structural member is the shell of the mobile terminal comprising described device.
6. antenna assembly according to claim 1 and 2, it is characterized in that, described device also comprises the second sheet metal, described second sheet metal is arranged on the side on the 4th limit of described mainboard, and the described ground connection place of described mainboard is electrically connected to via the second contact point, described 4th limit and described first limit do not adjoin, and described second contact point is positioned at the described 4th limit place of described mainboard.
7. antenna assembly according to claim 6, it is characterized in that, described first sheet metal and described second sheet metal have identical size and symmetrical relative to the geometric center of described mainboard, described first make contact and described second contact point symmetrical relative to the geometric center of described mainboard.
8. antenna assembly according to claim 6, is characterized in that, described second contact point aligns with one end of described first sheet metal, and described second contact point aligns with one end of described second sheet metal.
9. antenna assembly according to claim 6, it is characterized in that, described device also comprises the 3rd sheet metal, described 3rd sheet metal is arranged on the side on described first limit of described mainboard, and be electrically connected to the described ground connection place of described mainboard via the 3rd contact point, described 3rd contact point is positioned at the described first limit place of described mainboard.
10. a mobile terminal, is characterized in that, described mobile terminal comprises antenna assembly according to any one of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741709.7U CN205122751U (en) | 2015-09-23 | 2015-09-23 | Antenna device and mobile terminal |
| PCT/CN2016/081470 WO2016180307A1 (en) | 2015-09-23 | 2016-05-09 | Antenna device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741709.7U CN205122751U (en) | 2015-09-23 | 2015-09-23 | Antenna device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122751U true CN205122751U (en) | 2016-03-30 |
Family
ID=55578331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520741709.7U Active CN205122751U (en) | 2015-09-23 | 2015-09-23 | Antenna device and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205122751U (en) |
| WO (1) | WO2016180307A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016180307A1 (en) * | 2015-09-23 | 2016-11-17 | 中兴通讯股份有限公司 | Antenna device and mobile terminal |
| CN109616745A (en) * | 2018-12-05 | 2019-04-12 | 歌尔股份有限公司 | Antenna structure and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953577Y (en) * | 2006-09-20 | 2007-09-26 | 中兴通讯股份有限公司 | Time division synchronous code division multiple access and global mobile communication system double-mode cellphone antenna device |
| CN201655954U (en) * | 2010-03-10 | 2010-11-24 | 中兴通讯股份有限公司 | Antenna device and mobile terminal |
| WO2015013880A1 (en) * | 2013-07-30 | 2015-02-05 | 华为终端有限公司 | Wireless terminal |
| CN103579746B (en) * | 2013-09-30 | 2016-06-08 | 苏州佳世达电通有限公司 | Antenna installation and apply its communication device |
| CN205122751U (en) * | 2015-09-23 | 2016-03-30 | 西安中兴新软件有限责任公司 | Antenna device and mobile terminal |
-
2015
- 2015-09-23 CN CN201520741709.7U patent/CN205122751U/en active Active
-
2016
- 2016-05-09 WO PCT/CN2016/081470 patent/WO2016180307A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016180307A1 (en) * | 2015-09-23 | 2016-11-17 | 中兴通讯股份有限公司 | Antenna device and mobile terminal |
| CN109616745A (en) * | 2018-12-05 | 2019-04-12 | 歌尔股份有限公司 | Antenna structure and electronic equipment |
| CN109616745B (en) * | 2018-12-05 | 2021-10-26 | 歌尔股份有限公司 | Antenna structure and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016180307A1 (en) | 2016-11-17 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |