CN201655954U - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
- Publication number
- CN201655954U CN201655954U CN2010201275653U CN201020127565U CN201655954U CN 201655954 U CN201655954 U CN 201655954U CN 2010201275653 U CN2010201275653 U CN 2010201275653U CN 201020127565 U CN201020127565 U CN 201020127565U CN 201655954 U CN201655954 U CN 201655954U
- Authority
- CN
- China
- Prior art keywords
- antenna
- portable terminal
- sheet metal
- mainboard
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
- Waveguide Aerials (AREA)
Abstract
The utility model discloses an antenna device, which comprises a motherboard and an antenna body connected with the motherboard and realizes antenna functions. The antenna device is characterized in that the antenna device further comprises a metal sheet and a connector, and the metal sheet arranged in a front casing of the mobile terminal is connected with the ground of the motherboard via the connector. The utility model further discloses a mobile terminal. By aid of the structures, the required height of the antenna body can be reduced effectively, the thickness of the mobile terminal is reduced, a high-performance planar inverted-F antenna can be used conveniently, performances of the mobile terminal are increased, and simultaneously, the specific absorption ratio of the antenna and influence of the mobile terminal onto the human body are reduced.
Description
Technical field
The utility model relates to antenna technology, relates in particular to a kind of antenna assembly and portable terminal.
Background technology
At present, the built-in aerial of industry main flow portable terminal divides from type, can be divided into two classes:
The one, unipole antenna: the advantage of unipole antenna be take up room less, thickness is little, general dual frequency global mobile communcations system (GSM, Global System for Mobile Communications) unipole antenna requires antenna thickness (thickness) greater than 5mm; It is bigger than (SAR, SpecificAbsorption Rate) value that shortcoming is an electro-magnetic wave absorption, and the unipole antenna ratio is easier to be subjected to ectocine, caused in adding headform's test or actual the use, and antenna performance descends serious.
The 2nd, plane inverse-F (PIFA, Planar Inverted F Antenna) antenna: the advantage of PIFA antenna is that the SAR value is less, and is subjected to ectocine less, and in adding headform's test or actual the use, effect is better; Shortcoming is that the PIFA antenna takes up room greatly, and thickness is big, and as shown in Figure 1, general double frequency GSM PIFA antenna required thickness is greater than 7mm.
In sum, it is less and be subjected to the portable terminal that ectocine is less, thickness is again little that original two kinds of antenna forms are difficult to make the SAR value, and pursuing idea frivolous, high performance portable terminal with current social people has certain difference.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of antenna assembly and portable terminal, helps reducing portable terminal thickness, reduces the SAR value of antenna.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of antenna assembly that the utility model provides comprises mainboard and the antenna body that is connected and realizes antenna function with mainboard; This antenna assembly also comprises: sheet metal and connector;
Described sheet metal is arranged in the portable terminal fore shell, is connected with the ground of described mainboard by described connector.
In the such scheme, described connector is the shell foot or the reed of metal material.
In the such scheme, described sheet metal is fixed in the fore shell of portable terminal with hot melting way.
In the such scheme, described sheet metal is steel disc or copper sheet or aluminium foil.
A kind of portable terminal that the utility model provides, this portable terminal comprises display screen, power supply, keyboard, fore shell, back cover, mainboard, antenna body, described portable terminal also comprises: sheet metal and connector, wherein,
Described sheet metal is arranged in the portable terminal fore shell, is connected with the ground of described mainboard by described connector.
A kind of antenna assembly and portable terminal that the utility model provides are provided with sheet metal in the fore shell of portable terminal, the ground of the mainboard that set sheet metal is connected with antenna body connects, and constitute the antenna ground level jointly with the ground of mainboard; So, can effectively reduce the needed height of antenna body, help reducing portable terminal thickness, high performance PIFA antenna easy to use, the performance of raising portable terminal; Simultaneously, can also reduce the SAR value of antenna, portable terminal is diminished to the influence of human body.
Description of drawings
Fig. 1 is the structural representation of double frequency GSM PIFA antenna in the prior art;
Fig. 2 realizes a kind of structural representation of antenna assembly for the utility model;
Fig. 3 is not for there being the structural representation of sheet metal in the fore shell;
Fig. 4 is for being provided with the structural representation of sheet metal in the fore shell;
Fig. 5 uses the structural representation of antenna assembly of the present utility model for portable terminal;
Fig. 6 is the implementation method flow chart of the antenna assembly of a kind of portable terminal of the utility model.
Embodiment
Basic thought of the present utility model is: in the fore shell of portable terminal sheet metal is set, the ground of the mainboard that set sheet metal is connected with antenna body connects, and constitutes the antenna ground level jointly with the ground of mainboard.
Below by drawings and the specific embodiments the utility model is described in further detail.
The utility model is realized a kind of antenna assembly, and as shown in Figure 2, this antenna assembly comprises: antenna body 21, mainboard 22, connector 23, sheet metal 24; Wherein,
Antenna body 21 is connected with mainboard 22; By connector 23 ground of mainboard 22 is connected with sheet metal 24 in the fore shell that is arranged on portable terminal;
Here, described mainboard 22 is for realizing the integrated mainboard of mobile terminal function;
Shell foot that described connector 23 can be a metal material or reed etc.;
Can be to use methods such as hot melt sheet metal 24 to be fixed in the fore shell of portable terminal in the described fore shell that is arranged on portable terminal; Described sheet metal 24 can be steel disc, copper sheet, aluminium foil etc.
Fig. 3 is not for there being the structural representation of sheet metal in the fore shell, Fig. 4 is for being provided with the structural representation of sheet metal in the fore shell, and the part of black is a sheet metal among Fig. 4.
Wherein, test data before and after the portable terminal use said antenna device can be referring to table 1 and table 2, table 1 uses the preceding test data of said antenna device for this portable terminal, its medium and small table is for using the preceding SAR value under enhancement mode global system for mobile communications (EGSM, Enhanced Global System for MobileCommunications) frequency band (Band) of said antenna device; Table 2 uses test data after said antenna device for this portable terminal, and its medium and small table is for using the SAR value under the EGSM frequency band after the said antenna device.
Table 1
Table 2
From table 1 and table 2 as can be seen, after having used antenna assembly of the present utility model, improved and added headform's test (SAM, Standard anthropomorphic model) index, promptly the SAM in table 1 and table 2 is capable, omnidirectional's receiving sensitivity of EGSM in the table 2 (TIS, Total Isotropic Sensitivity) descends to some extent than the TIS of EGSM in the table 1; And, simultaneously as can be seen in the table 2 the SAR value of EGSM also reduced than the SAR value of EGSM in the table 1.
Fig. 5 is the structural representation that a portable terminal uses said antenna device, and as can be seen, antenna assembly is in the inside in fore shell and space that back cover forms, and wherein, antenna assembly comprises antenna body, mainboard, connector, sheet metal.
Said antenna device can realize that this process may further comprise the steps by process shown in Figure 6:
Step 601: in the fore shell of portable terminal, sheet metal is set;
Here, the described sheet metal that is provided with can be to use methods such as hot melt sheet metal to be fixed in the fore shell of portable terminal; Described sheet metal can be steel disc, copper sheet, aluminium foil etc.
Step 602: the ground of the mainboard that sheet metal is connected with antenna body connects, and constitutes the antenna ground level jointly with the ground of mainboard;
Concrete, with the shell foot of sheet metal by metal material or the ground connection of the mainboard that is connected with antenna body such as reed, constitute the antenna ground level jointly with the ground of mainboard, thereby can effectively reduce the needed height of antenna body.
Based on above-mentioned antenna assembly, the utility model also provides a kind of portable terminal, and this portable terminal not only comprises parts such as display screen that existing portable terminal has, power supply, keyboard, fore shell, back cover, mainboard, antenna body, also comprises: sheet metal and connector, wherein
Form antenna assembly by mainboard, antenna body, sheet metal and connector, as shown in Figure 2, described antenna body 21 is connected with mainboard 22, realizes antenna function; Described sheet metal 24 is arranged in the portable terminal fore shell, is connected with the ground of described mainboard 22 by described connector 23;
Here, the described sheet metal 24 that is provided with can be to use methods such as hot melt sheet metal 24 to be fixed in the fore shell of portable terminal; Described sheet metal 24 can be steel disc, copper sheet, aluminium foil etc.;
Shell foot that described connector 23 can be a metal material or reed etc.
The above; it only is preferred embodiment of the present utility model; be not to be used to limit protection range of the present utility model, all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. an antenna assembly comprises mainboard and the antenna body that is connected and realizes antenna function with mainboard; It is characterized in that this antenna assembly also comprises: sheet metal and connector;
Described sheet metal is arranged in the portable terminal fore shell, is connected with the ground of described mainboard by described connector.
2. antenna assembly according to claim 1 is characterized in that, described connector is the shell foot or the reed of metal material.
3. antenna assembly according to claim 1 is characterized in that described sheet metal is fixed in the fore shell of portable terminal with hot melting way.
4. according to each described antenna assembly of claim 1 to 3, it is characterized in that described sheet metal is steel disc or copper sheet or aluminium foil.
5. portable terminal, this portable terminal comprises display screen, power supply, keyboard, fore shell, back cover, mainboard, antenna body, it is characterized in that, described portable terminal also comprises: sheet metal and connector, wherein,
Described sheet metal is arranged in the portable terminal fore shell, is connected with the ground of described mainboard by described connector.
6. portable terminal according to claim 5 is characterized in that, described connector is the shell foot or the reed of metal material.
7. portable terminal according to claim 5 is characterized in that described sheet metal is fixed in the fore shell of portable terminal with hot melting way.
8. according to each described portable terminal of claim 5 to 7, it is characterized in that described sheet metal is steel disc or copper sheet or aluminium foil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201275653U CN201655954U (en) | 2010-03-10 | 2010-03-10 | Antenna device and mobile terminal |
| PCT/CN2010/075261 WO2011109981A1 (en) | 2010-03-10 | 2010-07-19 | Antenna device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201275653U CN201655954U (en) | 2010-03-10 | 2010-03-10 | Antenna device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655954U true CN201655954U (en) | 2010-11-24 |
Family
ID=43121196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201275653U Expired - Lifetime CN201655954U (en) | 2010-03-10 | 2010-03-10 | Antenna device and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201655954U (en) |
| WO (1) | WO2011109981A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103579746A (en) * | 2013-09-30 | 2014-02-12 | 苏州佳世达电通有限公司 | Antenna device and communication device using antenna device |
| CN103633436A (en) * | 2012-08-20 | 2014-03-12 | 联想(北京)有限公司 | An antenna apparatus and an electronic device with the antenna apparatus |
| CN105576371A (en) * | 2016-02-29 | 2016-05-11 | 广东小天才科技有限公司 | Mobile terminal and antenna grounding structure thereof |
| WO2016180307A1 (en) * | 2015-09-23 | 2016-11-17 | 中兴通讯股份有限公司 | Antenna device and mobile terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2874799Y (en) * | 2005-12-31 | 2007-02-28 | 中兴通讯股份有限公司 | Cell phone antenna device |
| CN101127414B (en) * | 2006-08-15 | 2012-05-16 | 英华达(上海)电子有限公司 | Method for increasing equivalent height of PIFA antenna device |
-
2010
- 2010-03-10 CN CN2010201275653U patent/CN201655954U/en not_active Expired - Lifetime
- 2010-07-19 WO PCT/CN2010/075261 patent/WO2011109981A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633436A (en) * | 2012-08-20 | 2014-03-12 | 联想(北京)有限公司 | An antenna apparatus and an electronic device with the antenna apparatus |
| CN103579746A (en) * | 2013-09-30 | 2014-02-12 | 苏州佳世达电通有限公司 | Antenna device and communication device using antenna device |
| 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 |
| WO2016180307A1 (en) * | 2015-09-23 | 2016-11-17 | 中兴通讯股份有限公司 | Antenna device and mobile terminal |
| CN105576371A (en) * | 2016-02-29 | 2016-05-11 | 广东小天才科技有限公司 | Mobile terminal and antenna grounding structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011109981A1 (en) | 2011-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |