CN108337857B - Television receiver - Google Patents
Television receiver Download PDFInfo
- Publication number
- CN108337857B CN108337857B CN201810100950.XA CN201810100950A CN108337857B CN 108337857 B CN108337857 B CN 108337857B CN 201810100950 A CN201810100950 A CN 201810100950A CN 108337857 B CN108337857 B CN 108337857B
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- China
- Prior art keywords
- heat dissipation
- back plate
- dissipation aluminum
- aluminum strip
- sheet
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a television, which comprises a back plate, a heat dissipation aluminum strip arranged on the back plate and a positioning sheet arranged on the back plate and used for fixing the heat dissipation aluminum strip; the locating plate comprises a sheet body and a boss, wherein the sheet body is attached to and connected with the back plate, and the boss is arranged in the middle of the sheet body and used for fixing the heat dissipation aluminum strip. The heat dissipation aluminum strip is connected with the back plate through the positioning sheet, the sheet-shaped body of the positioning sheet is connected with the back plate in an attaching mode, and the boss of the positioning sheet is fixed with the heat dissipation aluminum strip, so that the contact surface of the heat dissipation aluminum strip and the positioning sheet can be reduced, the heat transfer between the heat dissipation aluminum strip and the back plate is further reduced, the ink characteristic on the back plate is prevented from being influenced due to too high temperature of the back plate, and the problem that the color cast is caused by the fact that heat is accumulated in the backlight module and then transmitted to the liquid crystal panel and the polarity changes can be avoided.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a television.
Background
With the progress of modern technology and the development of society, the shape of a television is more and more concerned by terminal customers, the back panel is made of plastic, metal, baking varnish, film-coated, aluminum plastic and the like, and recently, glass is also proposed as the back panel of the television. Because the slim demand, the heat dissipation aluminium strip of sidelight formula also moves to the outside from the module is inside, but because the restriction of backplate material, the more difficult processing of structural style on the backplate, especially use toughened glass as the backplate material, if the rigidity of middle trompil all can reduce the material, so need use a mechanism spare of transfer to carry out the backplate and fixed between the heat dissipation aluminium strip.
The traditional structure uses a large SECC iron plate for fixing, the lower surface of the SECC iron plate is adhered to a back plate, and the upper surface of the SECC iron plate is locked on an aluminum strip, so that the heat dissipation problem is serious due to high power of an LED, the heat on the heat dissipation aluminum strip is conducted to a glass back plate through the iron plate, and because tempered glass is not a good conductor, the heat is gathered in the glass back plate to easily influence the ink characteristic on the tempered glass back plate, the heat is also easily gathered in a backlight module, the heat is easily transferred to a liquid crystal panel, and the color cast problem is caused due to the polarity change; in addition, due to the difference of expansion coefficients between the heat dissipation aluminum strips and the glass back plate, the heat dissipation aluminum strips are heated to expand to pull the screws to rub the screws, so that the viewing effect is influenced abnormally after the temperature changes.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the present invention aims to provide a television, which aims to solve the problem that the heat dissipation aluminum strip of the television in the prior art easily transfers heat to the back plate, so that the heat accumulation on the back plate reduces the performance of the back plate.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a fixing structure of a heat dissipation aluminum strip comprises a back plate, the heat dissipation aluminum strip installed on the back plate, and a positioning sheet arranged on the back plate and used for fixing the heat dissipation aluminum strip; the locating plate comprises a sheet body and a boss, wherein the sheet body is attached to and connected with the back plate, and the boss is arranged in the middle of the sheet body and used for fixing the heat dissipation aluminum strip.
Furthermore, a positioning column used for pre-positioning the heat dissipation aluminum strip is arranged in the middle of the top of the boss.
Furthermore, screw holes for fixing the heat dissipation aluminum strips are arranged at two ends of the top of the boss.
Furthermore, be provided with on the heat dissipation aluminium strip with the first screw of screw hole adaptation, be provided with the plastic pad on the first screw.
Furthermore, the sheet-shaped body is provided with glue overflow holes, and the positioning sheet is adhered to the back plate through glue.
Furthermore, the glue overflow holes are uniformly distributed on the sheet-shaped body in a matrix shape.
Furthermore, the positioning pieces are arranged at the bottom of the back plate in rows.
Further, the height of the boss is 3-8 mm.
The invention also provides a television which comprises the fixing structure of the heat dissipation aluminum strip.
The invention also provides a heat dissipation aluminum strip fixing method based on the fixing structure of the heat dissipation aluminum strip, which comprises the following steps:
arranging a sheet body and a boss on a positioning sheet for connecting the back plate and the heat dissipation aluminum strip;
adhering the back surface of the sheet-shaped body to the back plate;
and fixedly connecting the top of the boss with the heat dissipation aluminum strip.
By adopting the technical scheme, the invention at least has the following beneficial effects: the heat dissipation aluminum strip is connected with the back plate through the positioning sheet, the sheet body of the positioning sheet is connected with the back plate in an attaching mode, and the boss of the positioning sheet is fixed with the heat dissipation aluminum strip, so that the contact surface between the heat dissipation aluminum strip and the positioning sheet can be reduced, further, the heat transfer between the heat dissipation aluminum strip and the back plate is reduced, the performance of the back plate is prevented from being reduced due to too high temperature of the back plate, particularly, when toughened glass is used as the back plate, the problem that the heat is gathered on the toughened glass back plate to influence the ink characteristic on the toughened glass back plate can be prevented, and the problem that the heat is gathered inside the backlight module and then is transmitted to the liquid crystal panel and the color; the plastic gasket is arranged on the first screw of the heat dissipation aluminum strip, so that the problem that the viewing effect is influenced by abnormal sound after temperature change due to friction between the first screw and the first screw which is pulled by the heat dissipation aluminum strip due to thermal expansion can be prevented; the boss is provided with a positioning column for pre-positioning the heat dissipation aluminum strip, so that the heat dissipation aluminum strip is convenient to assemble; the glue overflow hole is formed in the sheet body of the positioning sheet, so that the adhesion smoothness of the sheet body and the back plate can be guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of a fixing structure of a heat dissipation aluminum strip according to an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic structural diagram of the positioning plate of the present invention.
FIG. 4 is a view showing an assembly structure of the back plate and the spacer according to the present invention.
Fig. 5 is a side view of the structure of fig. 4.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In addition, in the description of the present invention, it is to be understood that the terms "middle", "upper", "lower", "vertical", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As introduced in the background art, use a bold iron plate among the prior art to fix the aluminium strip that looses the heat to the backplate, paste below the iron plate on the backplate, the lock attaches on the aluminium strip that looses the heat, the realization is fixed the backplate with the aluminium strip that looses the heat on, so, the heat on the aluminium strip that looses conducts on the backplate through iron plate, because the backplate adopts toughened glass more, toughened glass is not good conductor because of the backplate, so the heat gathering influences the printing ink characteristic on the toughened glass backplate inside easily, the heat gathering also can appear inside backlight unit easily, pass on the liquid crystal display panel with the heat very easily, thereby lead to the problem of the color cast to appear in the polarity change.
In order to avoid the problems, the heat transfer between the heat dissipation aluminum plate and the back plate needs to be reduced, the scheme adopted by the invention is to reduce the area of the iron plate in contact with the heat dissipation aluminum strips, the bosses are arranged on the iron plate, and the heat dissipation aluminum strips are fixed on the bosses, so that the contact area between the heat dissipation aluminum strips and the iron plate can be reduced, and the heat transfer is reduced. In addition, both can directly set up the fixed heat dissipation aluminium bar of boss on a bold iron plate, also can use a lot of little iron plates to fix, that is to say, do not adopt to paste a bold iron plate on the backplate and fix the heat dissipation aluminium bar, can paste a plurality of little iron plates on the backplate, every spaced arrangement of little iron plate is on the backplate, set up the boss on little iron plate, fix the heat dissipation aluminium bar on the boss, can reduce the area of contact of iron plate and backplate like this, further reduce the heat that transmits to the backplate, guarantee the printing ink characteristic on the backplate, reduce the heat of gathering in backlight unit, avoid appearing the problem of off color.
Fig. 1 is a schematic structural diagram of an embodiment of a fixing structure of a heat dissipation aluminum strip according to the present invention, in which a plurality of small iron plates are adhered to a back plate to fix the heat dissipation aluminum strip, as shown in fig. 1, the fixing structure of the heat dissipation aluminum strip according to the present invention includes a back plate 10, a heat dissipation aluminum strip 20, and a positioning plate 30. The heat dissipation aluminum strips 20 are mounted on the back plate 10, and the positioning pieces 30 are disposed on the back plate 10 and between the back plate 10 and the heat dissipation aluminum strips 20 for fixing the heat dissipation aluminum strips 20. Fig. 3 is a schematic structural diagram of the positioning sheet of the present invention, as shown in fig. 3, the positioning sheet 30 includes a sheet body 31 attached to the back plate, and a boss 32 disposed at the middle of the sheet body, the boss 32 is used for fixing the heat dissipation aluminum strip 20, so as to reduce the contact area between the heat dissipation aluminum strip 20 and the positioning sheet 30, further reduce the heat transferred from the heat dissipation aluminum strip 20 to the back plate 10, avoid the influence of the too high temperature of the back plate 10 on the ink characteristics on the back plate, reduce the heat accumulated in the backlight module, and avoid the color cast problem.
Referring to fig. 3, a positioning column 321 is disposed in the middle of the top of the boss 32, the positioning column 321 is used for pre-positioning the heat dissipation aluminum strip 20, the positioning column 321 is a cylinder perpendicular to the top plane of the boss 32, when the heat dissipation aluminum strip 20 is fixed to the boss 32, the heat dissipation aluminum strip 20 is firstly sleeved on the positioning column 321, so that the heat dissipation aluminum strip 20 can be positioned, and then fixed by a screw. It can be understood that, as shown in fig. 3, a positioning hole 21 adapted to the positioning column 321 is also provided at a position corresponding to the positioning column 321 on the heat dissipation aluminum strip 20, so as to sleeve the heat dissipation aluminum strip 20 on the positioning column 321.
Referring to fig. 2 and 3, two ends of the top of the boss 32 are provided with screw holes 322, the screw holes 322 are used for fixing the heat dissipation aluminum bar 20, a first screw 22 adapted to the screw holes 322 is disposed on the heat dissipation aluminum bar 20 at a position corresponding to the screw holes 322, after the heat dissipation aluminum bar 20 is sleeved on the positioning column 321, the first screw 22 is aligned to the screw holes 322, and then the heat dissipation aluminum bar 20 can be fixed on the boss 32 by screwing the first screw 22 into the screw holes 322.
Since the general back plate 10 is not easy to open the holes, especially, the toughened glass is used as the back plate 10 material, if the middle opening reduces the rigidity of the material, the connection mode between the positioning sheet 30 and the back plate 10 is glue adhesion, please refer to fig. 2 and fig. 3, the bottom surface of the sheet body 31 of the positioning sheet 30 is attached to the back plate 10, the sheet body 31 is provided with glue overflow holes 311, when too much glue exists between the sheet body 31 and the back plate 10, the excess glue overflows from the glue overflow holes 311, and the flatness of the adhesive surface can be ensured.
In order to make the glue on the adhering surfaces of the back plate 10 and the positioning sheet 30 uniform, as shown in fig. 2, a plurality of glue overflow holes 311 are uniformly distributed on the sheet body 31 in a matrix shape. The sheet-shaped body 31 is uniformly provided with a plurality of glue overflowing holes 311, so that the excessive glue at each position on the pasting surfaces of the back plate 10 and the positioning sheet 30 can overflow from the glue overflowing holes 311, and the uniformity of the glue during pasting is ensured.
Fig. 4 is an assembly structure view of the back plate and the positioning pieces of the present invention, please refer to fig. 2 and fig. 4, wherein a plurality of positioning pieces 30 are arranged in a row at the bottom of the back plate 10. The heat dissipating aluminum strip 20 is generally mounted on the bottom of the back plate 10, so the positioning plate 30 is correspondingly disposed on the bottom of the back plate 10. The positioning plates 30 are arranged in rows, and the positioning holes 21 and the first screws 22 on the heat dissipation aluminum strip 20 are correspondingly arranged in rows on the heat dissipation aluminum strip 20 because the heat dissipation aluminum strip 20 is fixed with the positioning plates 30, so that the difficulty of processing the positioning holes 21 and the screw holes on the heat dissipation aluminum strip 20 is reduced, and the processing is more convenient because of the regular arrangement of the rows.
Fig. 5 is a schematic side view of fig. 4, and as shown in fig. 5, the height d of the boss 32 is 3-8mm, and the height of the boss 32 can be specifically adjusted according to the requirement due to the difference in the size and thickness of the tv sets.
Referring to fig. 2, the plastic gasket 221 is disposed on the first screw 22, and the plastic gasket 221 is clamped between the screw cap of the first screw 22 and the surface of the heat dissipation aluminum strip 20, so that the plastic gasket 221 isolates the screw cap from the heat dissipation aluminum strip 20, and because the expansion coefficient between the heat dissipation aluminum strip 20 and the back plate 10 is inconsistent, the heat dissipation aluminum strip 20 expands after high temperature and pulls the first screw 22 to rub against the first screw 22, thereby generating abnormal noise, and the plastic gasket 221 is flexible and deformable under stress, so that the abnormal noise generated by metal friction between the first screw 22 and the heat dissipation aluminum strip 20 does not occur, and the viewing effect of the television is ensured.
The invention also provides a television which comprises the fixing structure of the heat dissipation aluminum strip.
The invention also provides a heat dissipation aluminum strip fixing method based on the fixing structure of the heat dissipation aluminum strip, which comprises the following steps:
arranging a sheet body and a boss on a positioning sheet for connecting the back plate and the heat dissipation aluminum strip;
adhering the back surface of the sheet-shaped body to the back plate;
and fixedly connecting the top of the boss with the heat dissipation aluminum strip.
The heat dissipation aluminum strip is connected with the back plate through the positioning sheet, the sheet body of the positioning sheet is connected with the back plate in an attaching mode, and the boss of the positioning sheet is fixed with the heat dissipation aluminum strip, so that the contact surface of the heat dissipation aluminum strip and the positioning sheet can be reduced, further the heat transfer between the heat dissipation aluminum strip and the back plate is reduced, the performance of the back plate is prevented from being reduced due to too high temperature of the back plate, particularly when toughened glass is used as the back plate, the problem that the heat is accumulated on the toughened glass back plate to influence the ink characteristic on the toughened glass back plate can be prevented, and the problem that the heat is accumulated inside the backlight module and then is transmitted to the liquid crystal panel to cause the color cast due to; the plastic gasket is arranged on the first screw of the heat dissipation aluminum strip, so that the problem that the viewing effect is influenced by abnormal sound after temperature change due to friction between the first screw and the first screw which is pulled by the heat dissipation aluminum strip due to thermal expansion can be prevented; the boss is provided with a positioning column for pre-positioning the heat dissipation aluminum strip, so that the heat dissipation aluminum strip is convenient to assemble; the glue overflow hole is formed in the sheet body of the positioning sheet, so that the adhesion smoothness of the sheet body and the back plate can be guaranteed.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. A television is characterized by comprising a back plate, a heat dissipation aluminum strip arranged on the back plate and a positioning sheet arranged on the back plate and used for fixing the heat dissipation aluminum strip; the positioning sheet comprises a sheet body which is attached and connected with the back plate, and a boss which is arranged in the middle of the sheet body and used for fixing the heat dissipation aluminum strip;
screw holes for fixing the heat dissipation aluminum strips are formed in the two ends of the top of the boss; and a first screw matched with the screw hole is arranged on the heat dissipation aluminum strip.
2. The television set as claimed in claim 1, wherein a positioning column for pre-positioning the heat dissipation aluminum strip is arranged in the middle of the top of the boss.
3. The television set as described in claim 1, wherein a plastic washer is disposed on said first screw.
4. The TV set as claimed in claim 1, wherein the sheet-like body is provided with glue-overflowing holes, and the positioning sheet is adhered to the back plate by glue.
5. The TV set as claimed in claim 4, wherein the glue-overflow holes are uniformly distributed on the sheet-like body in a matrix shape.
6. The TV set as claimed in claim 1, wherein the positioning plates are provided in a plurality and arranged in rows at the bottom of the back plate.
7. The television set as described in claim 1, wherein the height of the boss is 3-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100950.XA CN108337857B (en) | 2018-02-01 | 2018-02-01 | Television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100950.XA CN108337857B (en) | 2018-02-01 | 2018-02-01 | Television receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108337857A CN108337857A (en) | 2018-07-27 |
| CN108337857B true CN108337857B (en) | 2020-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810100950.XA Active CN108337857B (en) | 2018-02-01 | 2018-02-01 | Television receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108337857B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020161863A (en) * | 2019-03-25 | 2020-10-01 | セイコーエプソン株式会社 | Wearable display device |
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| KR100768229B1 (en) * | 2006-05-02 | 2007-10-18 | 삼성에스디아이 주식회사 | Plasma display panel device |
| CN204481949U (en) * | 2015-02-05 | 2015-07-15 | 四川长虹电器股份有限公司 | Liquid crystal display television back structure |
| CN205487133U (en) * | 2016-01-12 | 2016-08-17 | 深圳Tcl新技术有限公司 | Display device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982621A (en) * | 1998-11-23 | 1999-11-09 | Caesar Technology Inc. | Electronic device cooling arrangement |
| CN1904801A (en) * | 2005-07-29 | 2007-01-31 | 华硕电脑股份有限公司 | Electronic apparatus with sliding radiation module |
| TW200809713A (en) * | 2006-08-07 | 2008-02-16 | Sunonwealth Electr Mach Ind Co | Heat-dissipating apparatus for a back light module of a liquid crystal display |
| CN102080816A (en) * | 2010-11-05 | 2011-06-01 | 创维液晶器件(深圳)有限公司 | Heat dissipating device for side light type light emitting diode (LED) backlight module, backlight module and television |
| CN202040778U (en) * | 2011-04-12 | 2011-11-16 | 深圳Tcl新技术有限公司 | Backlight heat dissipation structure and liquid crystal display |
| CN102868851A (en) * | 2012-08-16 | 2013-01-09 | 浙江宇视科技有限公司 | Camera heat-radiating device |
| CN203164554U (en) * | 2013-03-27 | 2013-08-28 | 创维液晶器件(深圳)有限公司 | Locating structure for aluminum heat dissipation strip of liquid crystal module and liquid crystal display |
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| Publication number | Publication date |
|---|---|
| CN108337857A (en) | 2018-07-27 |
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