CN2733831Y - Shielding device - Google Patents
Shielding device Download PDFInfo
- Publication number
- CN2733831Y CN2733831Y CNU2004200925926U CN200420092592U CN2733831Y CN 2733831 Y CN2733831 Y CN 2733831Y CN U2004200925926 U CNU2004200925926 U CN U2004200925926U CN 200420092592 U CN200420092592 U CN 200420092592U CN 2733831 Y CN2733831 Y CN 2733831Y
- Authority
- CN
- China
- Prior art keywords
- shielding
- isolating device
- circuit board
- lcd panel
- anneta module
- 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 - Fee Related
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Abstract
The utility model relates to a shielding device, and the shielding device is arranged between an LCD screen and a circuit board; the proper position of the shielding device is provided with a groove, and the groove is arranged by the antenna module on the circuit board corresponding to the surface of the shielding device; the groove is arranged between the surface of the circuit board with the antenna module and the LCD screen, and the isolation and the shielding of the shielding device are eliminated.
Description
Technical field
The utility model is relevant for a kind of shielding and isolating device, especially refer to a kind of being applied on the electronic installation product, and be arranged between LCD Panel and the circuit board, to reach the noise of isolating and avoiding LCD Panel in running, to be produced, electronic component set on the circuit board is produced the shielding and isolating device that disturbs.
Background technology
Continuous development along with electronics technology, occur at present various on the market for the individual electronic product of carrying and using, so that the management of personal information is provided, the mobile phone communication, all functions such as two-way call and wireless network online, especially extremely pay attention in the industrial and commercial society of efficient and speed at this, by the powerful portable electronic product of this class with the trifling affairs of real-time processing daily life or the public affair things in the work, accepted by the modern gradually, and this series products carrying for the ease of the consumer, and meet the demand of consumer on function of use, designing towards compact in appearance of product, on product content, then provide diversified function to use and use as much as possible, go up most of consumer demand to meet society.Be with, in the design of Related product, more powerful operation capacity and memory size just must be provided, even can provide the wireless signal of different types to receive and dispatch mode, therefore tend on the circuit board of this electron-like device inside that construction has different Anneta modules to receive different wireless communication signals in limited space, moreover, the LCD Panel that it disposed is to be adapted to the demand that present user more and more pays attention to high color range and high chroma, therefore the operating frequency of LCD Panel is also quick further, cause it more to be easy to generate a large amount of noises, and to the generation of the electronic component on circuit board interference greatly, therefore often need between LCD Panel and circuit board, be equipped with a shielding and isolating device, cover the noise that LCD Panel produced and electronic component on the circuit board is produced the situation of disturbing to reach.
See also Fig. 1 to shown in Figure 3, be the inner set masked isolation device of existing electronic installation and perspective exploded view, constitutional diagram and the sectional view of circuit board and LCD Panel.As shown in the figure, existing electronic installation produces the influence of disturbing to the electronic component on the circuit board 30 ' for the noise that LCD Panel 20 ' is produced is unlikely in running, therefore can be provided with one especially and be positioned LCD Panel 20 ' back of the body surface by the made shielding and isolating device 10 ' of sheet metal, again LCD Panel 20 ' is assembled on the circuit board 30 ', and the earth point (not icon) on this shielding and isolating device 10 ' and the circuit board 30 ' is one and electrically conducts, make shielding and isolating device 10 ' can between LCD Panel 20 ' and circuit board 30 ', constitute the effect of a shielding, intercept the noise that produced in the LCD Panel 20 ' running and overflow and the electronic component on the circuit board 30 ' produced to the external world and disturb to reach.
But because existing shielding and isolating device 10 ' mainly is the back surfaces that is arranged at LCD Panel 20 ' in the mode of whole covering, when being laid with Anneta module 34 ' on the circuit board 30 ' surface that corresponds to this shielding and isolating device 10 ' position, tend to because the too close Anneta module 34 ' of shielding and isolating device 10 ', and then cause serious interference to wireless telecommunications, this is because the antenna environment for use need be left metal object one segment distance, be subjected to the influence of metal object and cause decay with the transmitting/receiving signal that prevents antenna, and then have influence on the efficient of the signal emission/reception of antenna.
Summary of the invention
Main purpose of the present utility model is to provide a kind of shielding and isolating device, mainly is in order to significantly to reduce the influence of fading of shielding and isolating device for the Anneta module transmitting/receiving signal.
Another purpose of the present utility model is to provide a kind of shielding and isolating device, makes when Anneta module is provided with the position too near shielding and isolating device, still can be in order to improve the efficient of the signal emission/reception of Anneta module when operating.
For reaching above-mentioned purpose, the utility model mainly between LCD Panel and circuit board set shielding and isolating device appropriate location offer a fluting, this fluting mainly is to correspond to the surface location place of shielding and isolating device and be provided with according to Anneta module set on the circuit board, make to have between Anneta module set the circuit board surface place and LCD Panel, eliminating is subjected to the isolation of this shielding and isolating device and covers.
Description of drawings
Fig. 1 is for having the inner set masked isolation device of electronic installation and the three-dimensional exploded view of circuit board and LCD Panel now.
Fig. 2 is for having the inner set masked isolation device of electronic installation and the constitutional diagram of circuit board and LCD Panel now.
Fig. 3 is for having the inner set masked isolation device of electronic installation and the sectional view of circuit board and LCD Panel now.
Three-dimensional exploded view when Fig. 4 establishes for shielding and isolating device of the present utility model and circuit board and LCD Panel group.
Constitutional diagram when Fig. 5 establishes for shielding and isolating device of the present utility model and circuit board and LCD Panel group.
Sectional view when Fig. 6 establishes for shielding and isolating device of the present utility model and circuit board and LCD Panel group.
Return loss (return loss) performance diagram that Fig. 7 is measured when being applied in the utility model and existing shielding and isolating device respectively for Anneta module.
Symbol description
10 ' shielding and isolating device, 20 ' LCD Panel
30 ' circuit board, 34 ' Anneta module
10 shielding and isolating devices, 12 location divisions
14 flutings, 16 holders
162 perforation, 20 LCD Panel
30 circuit boards, 32 metal covering lids
34 Anneta modules, 36 fixing holes
Embodiment
See also Fig. 4 and shown in Figure 5, be respectively shielding and isolating device of the present utility model and circuit board and LCD Panel group perspective exploded view and the constitutional diagram when establishing.As shown in the figure, shielding and isolating device 10 of the present utility model mainly is applicable on the electronic installation with LCD Panel, this electronic installation is except respectively being provided with on one respectively, lower house (not icon), and last, lower house not icon is provided with a LCD Panel 20 and a circuit board 30 respectively between occurring once getting final product at least, it is made that shielding and isolating device 10 mainly has a sheet metal of conductivity by one, these shielding and isolating device 10 peripheries respectively are vertically installed with a plurality of location divisions 12, make LCD Panel 20 can be positioned shielding and isolating device 10 surfaces that each location division 12 is centered on, be assembled in again on the circuit board 30, in each present embodiment location division 12 serve as reasons the part sheet metal directly constitute a protruding wall aspect that is perpendicular to shielding and isolating device 10 via bending process, and this shielding and isolating device 10 mainly is the back surfaces that is covered on this LCD Panel 20, and isolation is arranged between LCD Panel 20 and the circuit board 30, and after this shielding and isolating device 10 is mounted on the circuit board 30, need be one with the earth point (not icon) of circuit board 30 electrically conducts, therefore this shielding and isolating device 10 can directly be stacked and placed on the metal covering lid 32 set on the circuit board 30 in the utility model, because of metal covering lid 32 mainly is arranged on the circuit board, be arranged on the circuit board 30 and can generate electromagnetic waves or the high-frequency electronic element or the circuit (not icon) of noise in order to cover, disturb for other electronic component or circuit generation with electromagnetic wave or the noise of avoiding aforementioned high-frequency electronic element or circuit in operating process, to be produced, and metal covering lid 32 general all with circuit board 30 on earth point be one and electrically conduct, involve noise to get rid of the electromagnetism of being accumulated on the metal covering lid 32, so can reach the purpose that makes shielding and isolating device 10 conducting earth points simultaneously.
Please consult shown in Figure 6 in addition simultaneously, shielding and isolating device 10 of the present utility model mainly is a structure of in position locating to offer a fluting 14, wherein this fluting 14 is provided with the relative position place of an Anneta module 34 on mainly according to circuit board 30 in the position of being offered on the shielding and isolating device 10, make after shielding and isolating device 10 is mounted on the circuit board 30,34 corresponding shielding and isolating devices of the Anneta module of institute's layout setting on circuit board 30,10 surfaces offer the fluting 14 of proper area size simultaneously, make Anneta module 34 reception/transmitting is unlikely to be subjected to the covering of shielding and isolating device 10 or to stop, wherein be somebody's turn to do the shape and the size of fluting 14, the main position of on circuit board 30, being laid according to Anneta module 34 and setting, make and have between Anneta module 34 set circuit board 30 surfaces and LCD Panel 10, the isolator who is got rid of this shielding and isolating device 10, wherein set Anneta module 34 is constituted with plate aerial on circuit board 30 of the present utility model, it mainly has certain directivity by the signal reception/emission of plate aerial, promptly being main signal reception/transmit direction perpendicular to the circuit board plane direction, so the utility model can produce the comparatively improvement of conspicuousness for the Anneta module signal emission/receiving efficiency of this type; In addition for making shielding and isolating device 10 be easy to the location and being assembled on the circuit board 30, these shielding and isolating device 10 peripheries convex with a plurality of holder 16 in addition, and on holder 16, be equipped with one the perforation 162, and the relative position place respectively offers a fixing hole 36 on circuit board 30, make when shielding and isolating device 10 is desired to be assembled on the circuit board 30, can be by lock members such as trip or screw rod (not icon), shielding and isolating device 10 is fixedly arranged on proper position on the circuit board 30, so that the speed of assembling when quicken producing.
Please consult simultaneously shown in Figure 7, the return loss that when Anneta module is applied in the utility model and existing shielding and isolating device respectively, is measured (return loss) performance diagram.As shown in the figure, the curve that adopts existing shielding and isolating device 10 ' to measure is before, and adopt the curve that shielding and isolating device 10 of the present utility model measured is NOW, by comparing easily in the graph of return loss characteristics, operate in the frequency band range of 2.4～2.6GHZ when Anneta module 34, use shielding and isolating device 10 of the present utility model to do the time spent as the noise isolation of 30 of LCD Panel 20 and circuit boards, Anneta module 34 can obtain low dB value relatively, so preferable operating characteristic can be provided relatively.
As shown in the above description, the utility model is mainly according to Anneta module set on the circuit board 30 34 positions, offer the fluting 14 of suitable shape size in the opposite position place on shielding and isolating device 10 surfaces, so that this Anneta module 34 is when running, avoid being subjected to covering and close influence of this shielding and isolating device 10, and reduce the efficient of the signal emission/reception of this Anneta module 34, and still can keep the noise signal that LCD Panel 20 is produced simultaneously and can be subjected to suitably covering of this shielding and isolating device 10, make the noise of generation be unlikely the running that interferes with electronic component on the circuit board 30, cause shielding and isolating device 10 to cover under the noise signal that LCD Panel 20 produced still having, still can reach the purpose that improves Anneta module 34 signal emission/receiving efficiency.
Claims (4)
1, a kind of shielding and isolating device, it is made by a conductive foil, the certain at least position portion of each vertical extent setting of this shielding and isolating device periphery, to provide a LCD Panel can be positioned the shielding and isolating device surface that is surrounded between this location division, again to be assembled on the circuit board, and be provided with an Anneta module on this circuit board in addition, and this shielding and isolating device is to be isolated between this LCD Panel and the circuit board, it is characterized in that: this shielding and isolating device offers a fluting, and this fluting is to correspond to the surface location place of this shielding and isolating device and offer according to set this Anneta module on this circuit board.
2, shielding and isolating device as claimed in claim 1 is characterized in that, this location division directly constitutes a protruding wall aspect that is perpendicular to shielding and isolating device by the sheet metal of part via bending process.
3, shielding and isolating device as claimed in claim 1, it is characterized in that, this shielding and isolating device periphery convexes with a plurality of holders, and on holder, be equipped with a perforation, the relative position place respectively offers a fixing hole on circuit board in addition, make when shielding and isolating device is assembled on the circuit board, can shielding and isolating device be fixedly arranged on proper position on the circuit board by a plurality of lock members.
4, shielding and isolating device as claimed in claim 1 is characterized in that, this Anneta module is a plate aerial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200925926U CN2733831Y (en) | 2004-09-22 | 2004-09-22 | Shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200925926U CN2733831Y (en) | 2004-09-22 | 2004-09-22 | Shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733831Y true CN2733831Y (en) | 2005-10-12 |
Family
ID=35069666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200925926U Expired - Fee Related CN2733831Y (en) | 2004-09-22 | 2004-09-22 | Shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733831Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8106836B2 (en) | 2008-04-11 | 2012-01-31 | Apple Inc. | Hybrid antennas for electronic devices |
| CN102681221A (en) * | 2011-03-15 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Display device |
| CN102681220A (en) * | 2011-03-11 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Display device |
| CN103036004A (en) * | 2011-10-07 | 2013-04-10 | 和硕联合科技股份有限公司 | Antenna module and electronic device using same |
| CN103378415A (en) * | 2012-04-13 | 2013-10-30 | 索尼电脑娱乐公司 | Electronic device |
| CN105120645A (en) * | 2015-08-31 | 2015-12-02 | 芜湖宏景电子股份有限公司 | Shielding case structure for car audio |
| CN108183323A (en) * | 2017-12-29 | 2018-06-19 | 广东欧珀移动通信有限公司 | Antenna module and electronic device |
| CN108832265A (en) * | 2014-12-15 | 2018-11-16 | 英特尔公司 | Display pannel with isolator and the method for improving wireless communication |
| CN111107204A (en) * | 2019-12-27 | 2020-05-05 | 惠州Tcl移动通信有限公司 | Touch screen assembly and mobile terminal |
-
2004
- 2004-09-22 CN CNU2004200925926U patent/CN2733831Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8106836B2 (en) | 2008-04-11 | 2012-01-31 | Apple Inc. | Hybrid antennas for electronic devices |
| US8410986B2 (en) | 2008-04-11 | 2013-04-02 | Apple Inc. | Hybrid antennas for electronic devices |
| CN102681220A (en) * | 2011-03-11 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Display device |
| CN102681221A (en) * | 2011-03-15 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Display device |
| CN103036004A (en) * | 2011-10-07 | 2013-04-10 | 和硕联合科技股份有限公司 | Antenna module and electronic device using same |
| CN103378415A (en) * | 2012-04-13 | 2013-10-30 | 索尼电脑娱乐公司 | Electronic device |
| CN103378415B (en) * | 2012-04-13 | 2018-04-13 | 索尼电脑娱乐公司 | Electronic equipment |
| CN108832265A (en) * | 2014-12-15 | 2018-11-16 | 英特尔公司 | Display pannel with isolator and the method for improving wireless communication |
| CN105120645A (en) * | 2015-08-31 | 2015-12-02 | 芜湖宏景电子股份有限公司 | Shielding case structure for car audio |
| CN105120645B (en) * | 2015-08-31 | 2019-04-09 | 芜湖宏景电子股份有限公司 | A kind of shielding case structure of automobile audio |
| CN108183323A (en) * | 2017-12-29 | 2018-06-19 | 广东欧珀移动通信有限公司 | Antenna module and electronic device |
| CN111107204A (en) * | 2019-12-27 | 2020-05-05 | 惠州Tcl移动通信有限公司 | Touch screen assembly and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051012 Termination date: 20130922 |