CN102043438A - Electronic system - Google Patents
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- CN102043438A CN102043438A CN2009102082486A CN200910208248A CN102043438A CN 102043438 A CN102043438 A CN 102043438A CN 2009102082486 A CN2009102082486 A CN 2009102082486A CN 200910208248 A CN200910208248 A CN 200910208248A CN 102043438 A CN102043438 A CN 102043438A
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- electronic system
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- metal framework
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Abstract
The invention provides an electronic system. The electronic system comprises a display device and a data processing device, wherein the display device is connected with the data processing device and is provided with an antenna and a metal framework; the data processing device is provided with a coaxial cable extending to the display device; the coaxial cable is coupled with the antenna and feeds a signal in the antenna from the data processing device; and a part of a metal shielding layer of the coaxial cable is stripped and exposed and electrically connected with the metal framework to inhibit reverse current so as to improve the radiation efficiency of the antenna. When the electronic system is implemented, the metal shielding layer and the metal framework are electrically connected through a conductive adhesive tape or in a welding mode.
Description
Technical field
The invention belongs to screen and have the field of electronic systems of built-in aerial, relate in particular to a kind of will be exposed in order to the part of the metal shielding layer of the coaxial wire that transmits aerial signal, and the electronic system that electrically conducts with the metal framework of display screen.
Background technology
Along with wireless telecommunication system is integrated progress, the mobile computer built-in aerial is made wireless transmission and is propagated its belief on a large scale at present.Most built-in aerial is arranged in the screen of mobile computer, and the transmitter module end transmits signals to antenna by coaxial wire.Because antenna and coaxial wire overall package framework are non-equilibrium mode, make that having reverse current (reverse current) when practical operation goes up at the metal shielding layer (shielding) of coaxial wire and flow, make coaxial wire in mobile computer, can bring out induction (induce) during cabling and go out the electric current on the metal framework and the radiator current opposite in direction of antenna.The part of above-mentioned radiator electric current can be cancelled out each other with reverse current, makes the radiation efficiency of antenna lower, and waste real the genus on the energy.If can suppress promptly the have an opportunity aerial radiation enhancing efficiency that makes of reverse current.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of electronic system, and the built-in aerial that is intended to solve the prior art mobile computer causes the problem of aerial radiation usefulness reduction because of the metal shielding layer at coaxial wire produces reverse current.
Be achieved in that a kind of electronic system in the embodiment of the invention, described electronic system comprises:
One data processing equipment; And
One display device, it connects described data processing equipment, described display device comprises display pannel, an antenna and the concentric cable line with a metal framework, described coaxial wire couples described antenna and described data processing equipment, signal is fed into described antenna from described data processing equipment, and the metal shielding layer of described coaxial wire electrically connects mutually with described metal framework.
Described display device also comprises a loam cake, a lower cover and a sheet metal, and described display pannel is sandwiched between described loam cake and the described lower cover, and described sheet metal is sandwiched between described lower cover and the described display pannel.
The ground plane of described antenna is sandwiched between described display pannel and the described lower cover, electrically connects with described sheet metal.
When described antenna operates, the induction current that produces on the described metal framework, the current opposite in direction on the radiator of described faradic direction of current and antenna.
The scope of described metal framework is greater than described sheet metal.
The part of the metal shielding layer of described coaxial wire is divested and is exposed, and electrically conducts with described metal framework.
The exposed part of described metal shielding layer electrically conducts by a conducting adhesive cloth and metal framework.
The length of described conducting adhesive cloth is greater than 1/120 wavelength of the high-frequency operation centre frequency of antenna.
The exposed part of described metal shielding layer welds mutually with described metal framework, electrically conducts with described metal framework.
Described metal framework is a hollow out shape.
In embodiments of the present invention, when antenna operates, wherein produce induction current on the metal framework, and the direction of current on the radiator of faradic direction of current and antenna is opposite haply, the exposed part of metal shielding layer electrically is conducted with metal framework by a conducting adhesive cloth (or welding), so can suppress the generation of reverse current, promote the advantage of aerial radiation usefulness.
Description of drawings
Fig. 1 is the synoptic diagram of the mobile computer that provides of the embodiment of the invention;
Fig. 2 is the exploded view of the display device of the electronic system that provides of the embodiment of the invention;
Fig. 3 A and 3B are respectively structure and the antenna structure for amplifying synoptic diagram after the display device loam cake of the electronic system that provides of the embodiment of the invention removes;
Fig. 4 is the vertical view behind the display pannel of removing of the electronic system that provides of the embodiment of the invention;
Fig. 5 is the electronic system that provides of the embodiment of the invention at the conducting adhesive cloth synoptic diagram before the clad metal shielding layer not;
Fig. 6 is the synoptic diagram that the metal shielding layer of the coaxial wire of the electronic system that provides of the embodiment of the invention is welded on the metal framework of display screen;
Fig. 7 is the metal shielding layer of the conducting adhesive cloth coating cable that provides of the embodiment of the invention and the process flow diagram of metal framework.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1 and Fig. 2, the exploded view of the synoptic diagram of the electronic system that provides for the embodiment of the invention and the display device of electronic system.As described in Figure 1, described electronic system comprises: a display device 1 and a data processing equipment 2, display device 1 are used for 2 data processed of display data processing apparatus.As described in Figure 2, display device 1 included assembly from top to bottom comprises a loam cake 4, a display pannel 5, a sheet metal 6 and a lower cover 7 successively.Wherein, display pannel is clipped between loam cake 4 and the lower cover 7, and sheet metal 6 is sandwiched between lower cover 4 and the display pannel 5.Display pannel 5 has a metal framework 51, and the scope of metal framework 51 is preferably greater than sheet metal 6.Described metal framework is a hollow out shape.
See also Fig. 3 A and 3B and Fig. 4, the plan structure that it shows structure, the antenna structure for amplifying after the display device loam cake of electronic system of the present invention removes respectively and removes display pannel.Coaxial wire 3 connects data processing apparatus 2 and antenna 8 along the edge of lower cover 7, be used for transmitting high-frequency signals from data processing equipment 2 and be fed into antenna 8.Wherein, the thickness of metal framework 51 is preferably the thickness greater than coaxial wire 3.Coaxial wire 3 includes conducting stratum 31, plastic layer 32 and metal shielding layer 33, and wherein conducting stratum 31 is coated by plastic layer 32, and the part of metal shielding layer 33 is divested and expose, and electrically conducts with metal framework 51.Wherein, metal framework 51 is that the thickness of a hollow out shape and metal framework 51 is the thickness of big what coaxial wire 3.Wherein, the exposed part of metal shielding layer 33 electrically conducts by a conducting adhesive cloth and metal framework 51, and perhaps the exposed part of metal shielding layer 33 welds mutually with metal framework 51, to reach the effect of electric connection.
See also Fig. 5, for electronic system of the present invention at the conducting adhesive cloth synoptic diagram before the clad metal shielding layer 33 not.Among the figure, be connected with the exposed part of metal shielding layer 33 and electrically conduct mutually by conducting adhesive cloth 9.Wherein, the distance (d1) between the signal feed-in point 84 of the position of conducting adhesive cloth 9 and antenna 8 is preferably the wavelength less than the low frequency operation center frequency of antenna 8.Wherein, the length of conducting adhesive cloth 9 (d2) is preferably 1/120 wavelength greater than the high-frequency operation centre frequency of antenna 8.
See also Fig. 6, it shows that metal shielding layer of the present invention is welded on the synoptic diagram of the metal framework of display screen.Among the figure, the exposed part of metal shielding layer 33 welds mutually with metal framework 51, forms pad 10, when electric current is conducted, Partial Inverse electric current on the coaxial wire 3 can flow in the metal framework 51 along with pad 10, and then reduces the influence of reverse current to antenna, promotes the usefulness of antenna.Wherein the distance (d1+d3) between the signal feed-in point 84 of pad 10 and antenna 8 is preferably the wavelength less than the low frequency operation center frequency of antenna 8, wherein d1 is the distance of signal feed-in point 84 and one second pad 34, d3 is the distance of first pad 10 and one second pad 34, and wherein second pad 34 is the ground plane 83 of antenna and the weld of the metal shielding layer 33 of coaxial wire.Can learn that by the experimental data form (as following table) of voltage standing wave ratio (VSWR) (VSWR) metal shielding layer 33 with coaxial wire is welded on metal framework 51 (table one) and metal shielding layer 33 when not being conducted and is welded on metal framework 51 when being conducted (table two), the antenna performance that is conducted increases by 7～10% efficiency ratio than the antenna performance of not conducting.
Table one
The metal shielding layer is not conducted with metal framework
Table two
Metal shielding layer and metal framework are conducted
See also Fig. 5 and Fig. 7, Fig. 7 is the metal shielding layer of conducting adhesive cloth coating cable of the present invention and the process flow diagram of metal framework.Among the figure, its step is as follows: step S1, prepare the good completed antenna of band girdle earlier, wherein call wire 31 length of coaxial wire are that plastic layer 32 length of 1mm, coaxial wire are that metal shielding layer 33 length of 2mm, coaxial wire are 17mm and the patch of length of side 1.5mm square conductive; Step S2, the patch of will conducting electricity encases braiding toward middle after tearing release liners 10mm; Step S3 is close to metal framework with cable earlier; Step S4 tears and touch the metal framework side to remaining release liners.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an electronic system is characterized in that, described electronic system comprises:
One data processing equipment; And
One display device, it connects described data processing equipment, described display device comprises display pannel, an antenna and the concentric cable line with a metal framework, described coaxial wire couples described antenna and described data processing equipment, signal is fed into described antenna from described data processing equipment, and the metal shielding layer of described coaxial wire electrically connects mutually with described metal framework.
2. electronic system as claimed in claim 1, it is characterized in that, described display device also comprises a loam cake, a lower cover and a sheet metal, and described display pannel is sandwiched between described loam cake and the described lower cover, and described sheet metal is sandwiched between described lower cover and the described display pannel.
3. electronic system as claimed in claim 2 is characterized in that, the ground plane of described antenna is sandwiched between described display pannel and the described lower cover, electrically connects with described sheet metal.
4. electronic system as claimed in claim 3 is characterized in that, when described antenna operates, produces induction current on the described metal framework, the current opposite in direction on the radiator of described faradic direction of current and described antenna.
5. electronic system as claimed in claim 2 is characterized in that the scope of described metal framework is greater than described sheet metal.
6. electronic system as claimed in claim 1 is characterized in that, the part of the metal shielding layer of described coaxial wire is divested and exposes, and electrically conducts with described metal framework.
7. electronic system as claimed in claim 6 is characterized in that the exposed part of described metal shielding layer electrically conducts by a conducting adhesive cloth and metal framework.
8. electronic system as claimed in claim 7 is characterized in that, the length of described conducting adhesive cloth is greater than 1/120 wavelength of the high-frequency operation centre frequency of described antenna.
9. electronic system as claimed in claim 6 is characterized in that, the exposed part of described metal shielding layer welds mutually with described metal framework, electrically conducts with described metal framework.
10. electronic system as claimed in claim 1 is characterized in that, described metal framework is a hollow out shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102082486A CN102043438B (en) | 2009-10-15 | 2009-10-15 | Electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102082486A CN102043438B (en) | 2009-10-15 | 2009-10-15 | Electronic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102043438A true CN102043438A (en) | 2011-05-04 |
| CN102043438B CN102043438B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102082486A Active CN102043438B (en) | 2009-10-15 | 2009-10-15 | Electronic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102043438B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425894A (en) * | 2013-08-21 | 2015-03-18 | 耀登科技股份有限公司 | Multifrequency antenna, and mobile communication apparatus with multifrequency antenna |
| CN110574228A (en) * | 2017-04-11 | 2019-12-13 | 惠普发展公司，有限责任合伙企业 | antenna for use in frame of display panel |
| CN111756896A (en) * | 2020-06-02 | 2020-10-09 | Oppo广东移动通信有限公司 | Glass shell assembly, manufacturing method thereof and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619419Y (en) * | 2003-05-28 | 2004-06-02 | 广达电脑股份有限公司 | Portable radio device |
| CN1513218A (en) * | 2001-05-29 | 2004-07-14 | �Ҵ���˾ | Integrated antenna for laptop application |
| US20090167615A1 (en) * | 2007-12-31 | 2009-07-02 | Htc Corporation | Electronic apparatus with hidden antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4350762B2 (en) * | 2007-03-19 | 2009-10-21 | レノボ・シンガポール・プライベート・リミテッド | Portable computer |
-
2009
- 2009-10-15 CN CN2009102082486A patent/CN102043438B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513218A (en) * | 2001-05-29 | 2004-07-14 | �Ҵ���˾ | Integrated antenna for laptop application |
| CN2619419Y (en) * | 2003-05-28 | 2004-06-02 | 广达电脑股份有限公司 | Portable radio device |
| US20090167615A1 (en) * | 2007-12-31 | 2009-07-02 | Htc Corporation | Electronic apparatus with hidden antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425894A (en) * | 2013-08-21 | 2015-03-18 | 耀登科技股份有限公司 | Multifrequency antenna, and mobile communication apparatus with multifrequency antenna |
| CN110574228A (en) * | 2017-04-11 | 2019-12-13 | 惠普发展公司，有限责任合伙企业 | antenna for use in frame of display panel |
| US11005154B2 (en) | 2017-04-11 | 2021-05-11 | Hewlett-Packard Development Company, L.P. | Antennas in frames for display panels |
| CN111756896A (en) * | 2020-06-02 | 2020-10-09 | Oppo广东移动通信有限公司 | Glass shell assembly, manufacturing method thereof and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102043438B (en) | 2012-11-21 |
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