CN107589592B - Heat dissipation structure for backlight module and backlight module - Google Patents
Heat dissipation structure for backlight module and backlight module Download PDFInfo
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- CN107589592B CN107589592B CN201710803307.9A CN201710803307A CN107589592B CN 107589592 B CN107589592 B CN 107589592B CN 201710803307 A CN201710803307 A CN 201710803307A CN 107589592 B CN107589592 B CN 107589592B
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Abstract
The invention provides a heat dissipation structure for a backlight module, which comprises a base used for fixing and conducting heat to a light source, wherein a support plate used for fixing the light source is arranged on the surface of one side of the base, heat dissipation fins are arranged on one side of the base, which is far away from the support plate, grooves between adjacent fins of the heat dissipation fins form a heat dissipation channel, notches are formed in the heat dissipation fins, a heat dissipation fan is arranged on the base, an air outlet of the heat dissipation fan is opposite to the notches, so that air enters the heat dissipation channel through the notches, and heat dissipation is realized through the flowing of the air. The invention also provides a backlight module which comprises the heat dissipation structure for the backlight module. Compared with the prior art, the base used for radiating the light source is arranged, the radiating fins are arranged on the base, the radiating channel is formed through the grooves among the fins, the radiating channel is blown through the radiating fan, air flow is formed in the radiating channel, heat is taken away, and the purpose of cooling is achieved, so that the radiating capacity is improved.
Description
Technical Field
The present invention relates to a liquid crystal panel technology, and more particularly, to a heat dissipation structure for a backlight module and a backlight module.
Background
The liquid crystal display has the advantages of thin body, electricity saving, no radiation and the like, is widely applied, has lower heat dissipation performance on the light source requirement in the prior liquid crystal display, and can meet the heat dissipation requirement by passive radiation heat dissipation; with the popularization of liquid crystal displays, the requirements of people on the liquid crystal displays no longer stay on the display picture, but on the image quality of the liquid crystal displays, if the image quality is improved, the resolution, the brightness and the color gamut are undoubtedly required to be improved, which means that the power consumption of a light source of a backlight module is also correspondingly improved, so that the heat is increased, the traditional passive radiation heat dissipation cannot meet the heat dissipation requirement, and how to increase the heat dissipation capability in only a space is a challenge for manufacturers at present.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a heat dissipation structure for a backlight module and the backlight module, thereby improving the heat dissipation capability.
The invention provides a heat dissipation structure for a backlight module, which comprises a base used for fixing and conducting heat to a light source, wherein a support plate used for fixing the light source is arranged on the surface of one side of the base, heat dissipation fins are arranged on one side of the base, which is far away from the support plate, grooves between adjacent fins of the heat dissipation fins form a heat dissipation channel, notches are formed in the heat dissipation fins, a heat dissipation fan is arranged on the base, an air outlet of the heat dissipation fan is opposite to the notches, so that air enters the heat dissipation channel through the notches, and heat dissipation is realized through the flowing of the air.
Furthermore, a cover plate is arranged on the radiating fins and used for sealing the radiating channel, and an air outlet is formed in the cover plate.
Furthermore, the air outlet is provided with guide plates with the same number as the heat dissipation channels, and the guide plates are used for guiding hot air in the heat dissipation channels to the air outlet.
Furthermore, an air guide pipe is arranged between the notch and the heat dissipation fan, one end of the air guide pipe is arranged in the notch, so that the opening on the end is opposite to the heat dissipation channel, and the opening on the other end is connected with the air outlet of the heat dissipation fan.
Furthermore, two openings of the air guide pipe are respectively arranged at two adjacent ends of the air guide pipe.
Furthermore, the notch is arranged at a position, close to the middle part, of the heat dissipation fin, the heat dissipation fin is divided into two parts, the heat dissipation channel is divided into a first heat dissipation channel and a second heat dissipation channel, the flow dividing structure is arranged in the notch, so that air is divided into two paths to be respectively guided into the first heat dissipation channel and the second heat dissipation channel, and the air outlets are respectively arranged on one sides, far away from the notch, of the cover plate of the first heat dissipation channel and the second heat dissipation channel.
Furthermore, an air guide pipe is arranged between the notch and the cooling fan, an opening at one end of the air guide pipe is connected with the notch, and an opening at the other end of the air guide pipe is connected with an air outlet of the cooling fan.
Furthermore, the size of the opening at one end of the air guide pipe connected with the cooling fan is larger than the size of the opening at one end of the air guide pipe connected with the notch.
Further, the heat dissipation fan is a centrifugal fan.
The invention also provides a backlight module which comprises the heat dissipation structure for the backlight module.
Compared with the prior art, the invention is provided with the base for radiating the light source and the radiating fins on the base, the radiating channel is formed by the grooves among the fins, and the radiating channel is blown by the radiating fan, so that airflow is formed in the radiating channel, and the heat is taken away to achieve the purpose of cooling, thereby improving the radiating capacity.
Drawings
FIG. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is an exploded view schematically showing embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a cover plate according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the flow of air in embodiment 1 of the present embodiment;
fig. 6 is a schematic structural view illustrating a case where a plurality of stages of heat dissipation fins are provided in embodiment 1 of the present invention;
FIG. 7 is a first schematic view of a display device according to embodiment 1 of the present invention;
FIG. 8 is a second schematic view of the assembled display of embodiment 1 of the present invention;
FIG. 9 is a schematic structural view of embodiment 2 of the present invention;
fig. 10 is an exploded view of embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, and fig. 3, a heat dissipation structure for a backlight module according to embodiment 1 of the present invention includes a base 1 for fixing and conducting heat to a light source, a support plate 12 for fixing the light source is disposed on a surface of one side of the base 1, a heat dissipation fin 3 is disposed on a side of the base 1 away from the support plate 12, the heat dissipation fin 3 is disposed along a length direction of the base 1, a heat dissipation channel 31 is formed by a groove between adjacent fins 32 of the heat dissipation fin 3, a notch 4 is disposed on the heat dissipation fin 3, a heat dissipation fan 6 is disposed on the base 1, the heat dissipation fan 6 is a centrifugal fan, an air outlet of the heat dissipation fan 6 is opposite to the notch 4, so that air enters the heat dissipation channel 31 through the notch 4; specifically, the notch 4 is disposed at one end (left side in fig. 3) of the heat dissipation fins 3, the notch 4 cuts each fin 32, and a fixing plate 11 for fixing the heat dissipation fan 6 is disposed at one end of the notch 4 on the base 1, so that the base 1 forms an L shape; the cover plate 2 is arranged on the radiating fins 3, the cover plate 2 is used for sealing the radiating channel 31, the cover plate 2 is provided with an air outlet 5, and the air outlet 5 is arranged at one end, far away from the gap 4, of the cover plate 2; however, the invention is not limited to this, for example, the heat dissipation fins 3 are not provided with the notches 4, and the end of the heat dissipation fins 3 away from the air outlet 5 is directly connected to the air outlet of the heat dissipation fan 6, so that only the air can enter the heat dissipation channel 31.
As shown in fig. 3, the cover plate 2 in embodiment 1 is strip-shaped, the long sides of the two sides of the cover plate 2 and the short side of the side far from the notch 4 are respectively provided with an edge 21, the edge 21 located at the short side closes the end of the heat sink fin 3 far from the notch 4, so that the heat sink channel 31 has only one inlet, the inlet is located at one side of the notch 4, and the cover plate 2 is fixed to the heat sink fin 3 through the edge 21 located at the long side by means of screws.
As shown in fig. 3 and 4, in embodiment 1, the air outlet 5 is provided with the same number of flow deflectors 22 as the number of the heat dissipation channels 31, where the flow deflectors 22 are used to guide the hot air in the heat dissipation channels 31 to the air outlet 5, specifically, the flow deflectors 22 extend into the heat dissipation channels 31, each flow deflector 22 at least includes an arc surface 221, the arc surface 221 is used to guide the flow, and the arc surface 221 extends from the heat dissipation channel 31 toward the air outlet 5, which enables the air to be guided out well.
As shown in fig. 2 and 3, in embodiment 1, an air guiding pipe 7 is disposed between the notch 4 and the heat dissipating fan 6, an end surface of the air guiding pipe 7 opposite to the heat dissipating fan 6 and another end surface adjacent to the end surface are respectively provided with an opening, one end of the air guiding pipe 7 is disposed in the notch 4, the opening at the end is opposite to (i.e., is an inlet of) the heat dissipating channel 31, and the opening at the other end is connected to an air outlet of the heat dissipating fan 6, so that air can be guided into the heat dissipating channel 31.
As shown in fig. 5, after the heat dissipation fan 6 is started, cold air is sucked in and blown into the heat dissipation channel 31 through the air guiding pipe 7, and after the cold air enters the heat dissipation channel 31, the cold air absorbs heat in the heat dissipation channel 31 to become hot air, and is blown in through the air outlet 5, so that the cold air carries the heat out, thereby achieving heat dissipation.
As shown in fig. 6, the heat dissipation structures 9 for the backlight module according to embodiment 1 of the present invention may be arranged in multiple groups in a straight line, so as to further improve the heat dissipation capability.
As shown in fig. 7 and 8, after the display is assembled by the heat dissipation structure for the backlight module and the display panel, the rear housing is provided with vent holes 8 at the positions of the heat dissipation fan 6 and the air outlet 5, respectively, so as to ensure good cold and hot air circulation.
As shown in fig. 1, 9 and 10, a heat dissipation structure for a backlight module according to embodiment 2 of the present invention includes a base 1 for fixing and conducting heat to a light source, a support plate 12 for fixing the light source is disposed on a surface of one side of the base 1, a heat dissipation fin 3 is disposed on a side of the base 1 away from the support plate 12, the heat dissipation fin 3 is disposed along a length direction of the base 1, a heat dissipation channel 31 is formed by a groove between adjacent fins 32 of the heat dissipation fin 3, a notch 4 is disposed on the heat dissipation fin 3, the notch 4 is located at a position of the heat dissipation fin 3 near a middle portion, the heat dissipation fin 3 is divided into two parts, so as to divide the heat dissipation channel 31 into a first heat dissipation channel 311 and a second heat dissipation channel 312, a flow splitting structure 41 is disposed in the notch 4, so as to divide air into two paths to be respectively guided to the first heat dissipation channel 311 and the second heat dissipation channel 312, a heat, the heat dissipation fan 6 is a centrifugal fan, and an air outlet of the heat dissipation fan 6 is opposite to the notch 4, so that air enters the heat dissipation channel 31 through the notch 4, and heat dissipation is realized; the notches 4 cut each fin 32; the cover plate 2 is arranged on the heat dissipation fins 3, the cover plate 2 is used for sealing the heat dissipation channel 31, the cover plate 2 is provided with the air outlet 5, and the air outlet 5 is arranged on one side, away from the gap 4, of the first heat dissipation channel 311 and the second heat dissipation channel 312 on the cover plate 2.
Through the heat radiation structure of embodiment 2, can lead the both sides of base with the air to make the heat dissipation more even.
As shown in fig. 10, in embodiment 2, one end of the first heat dissipation channel 311 away from the notch 4 is a closed surface 33, and the air outlet 5 disposed on the side is located on the surface of the cover plate 2; the air outlet 5 on the second heat dissipating channel 312 is disposed on a side far away from the first heat dissipating channel 311, but the invention is not limited thereto, and the air outlet 5 on the second heat dissipating channel 312 may also be disposed on the surface of the cover plate 2, and accordingly, an end of the first heat dissipating channel 321 far away from the notch 4 is also a closed surface.
As shown in fig. 9, the cover plate 2 in embodiment 2 is strip-shaped, the long sides of the cover plate 2 are respectively provided with the covering edges 21, and the cover plate 2 is fixed to the heat dissipation fins 3 through the covering edges 21 on the long sides by screws.
As shown in fig. 9 and 10, in embodiment 2, an air guiding pipe 7 is disposed between the notch 4 and the heat dissipation fan 6, openings at two ends of the air guiding pipe 7 are respectively disposed oppositely, an opening at one end of the air guiding pipe 7 is connected to the notch 4, and an opening at the other end is connected to an air outlet of the heat dissipation fan 6.
The size of an opening at one end, connected with the heat dissipation fan 6, of the air guide pipe 7 is larger than that of an opening at one end, connected with the notch 4, of the air guide pipe 7, so that the air guide pipe 7 is contracted, air is compressed, the flow rate of the air is accelerated, and the heat dissipation efficiency is improved; accordingly, a notch is provided at the position of the edge 21 on the air duct 7.
As shown in fig. 10, an extension plate 71 is disposed on an end of the air duct 7 opposite to the notch 4, the extension plate 71 is disposed between the cover plate 2 and the flow dividing structure 41, the extension plate 71 covers the notch 4 and the flow dividing structure 41, when assembling, the air duct 7 is installed first, the extension plate 71 covers the notch 4 and the flow dividing structure 41 first, and then the cover plate 2 is installed.
As shown in fig. 10, the flow dividing structure 41 is an isosceles triangle, two sides of the triangle are concave arcs 411, wherein the arcs 411 are opposite to the air guiding pipe 7.
As shown in fig. 9, after the cooling fan 6 is started, the cold air is sucked in and blown into the cooling channel 31 through the air guiding tube 7, and is divided into two paths by the dividing structure 41, wherein one path enters the first cooling channel 311 and the other path enters the second cooling channel 312, and is respectively blown out through the air outlet 5, so that the cold air brings out heat, thereby achieving cooling.
In the invention, the connection between the cover plate 2 and the heat dissipation fins 31 can be performed in a sealing connection manner, so as to achieve the optimal heat dissipation effect.
The invention also discloses a backlight module, which comprises the heat dissipation structure for the backlight module of the embodiment 1 or the embodiment 2, which is not described herein again, and the light source 10 of the backlight module is fixed on the support plate 12 (shown in fig. 1).
While the invention has been shown and described with reference to certain embodiments, those skilled in the art will understand that: various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a heat radiation structure for backlight unit which characterized in that: the LED lamp is characterized by comprising a base (1) used for fixing and conducting heat to a light source, wherein a support plate (12) used for fixing the light source is arranged on the surface of one side of the base (1), heat dissipation fins (3) are arranged on one side of the base (1) departing from the support plate (12), heat dissipation channels (31) are formed by grooves between adjacent fins (32) of the heat dissipation fins (3), notches (4) are formed in the heat dissipation fins (3), a heat dissipation fan (6) is arranged on the base (1), an air outlet of the heat dissipation fan (6) is opposite to the notches (4), so that air enters the heat dissipation channels (31) through the notches (4), and heat dissipation is realized through the flowing of the air; the radiating fins (3) are provided with cover plates (2), the cover plates (2) are used for sealing the radiating channels (31), and the cover plates (2) are provided with air outlets (5); be equipped with guide plate (22) that equals with radiating channel (31) quantity on air outlet (5), guide plate (22) are arranged in with the steam water conservancy diversion in radiating channel (31) to air outlet (5) department.
2. The heat dissipation structure for a backlight module as set forth in claim 1, wherein: an air guide pipe (7) is arranged between the notch (4) and the heat dissipation fan (6), one end of the air guide pipe (7) is arranged in the notch (4), so that an opening on the end is opposite to the heat dissipation channel (31), and an opening on the other end is connected with an air outlet of the heat dissipation fan (6).
3. The heat dissipation structure for a backlight module as set forth in claim 2, wherein: the two openings of the air guide pipe (7) are respectively arranged at two adjacent ends of the air guide pipe (7).
4. The heat dissipation structure for a backlight module as set forth in claim 1, wherein: the heat dissipation structure is characterized in that the notch (4) is arranged at a position, close to the middle, of the heat dissipation fin (3), the heat dissipation fin (3) is divided into two parts, the heat dissipation channel (31) is divided into a first heat dissipation channel (311) and a second heat dissipation channel (312), a flow distribution structure (41) is arranged in the notch (4), air is divided into two paths and guided to the first heat dissipation channel (311) and the second heat dissipation channel (312) respectively, and the air outlet (5) is arranged on one side, away from the notch (4), of the cover plate (2) and located on the first heat dissipation channel (311) and the second heat dissipation channel (312) respectively.
5. The heat dissipation structure for a backlight module as set forth in claim 4, wherein: an air guide pipe (7) is arranged between the notch (4) and the heat dissipation fan (6), an opening at one end of the air guide pipe (7) is connected with the notch (4), and an opening at the other end of the air guide pipe is connected with an air outlet of the heat dissipation fan (6).
6. The heat dissipation structure for a backlight module as set forth in claim 5, wherein: the size of an opening at one end, connected with the heat radiation fan (6), of the air guide pipe (7) is larger than that of an opening at one end, connected with the notch (4), of the air guide pipe (7).
7. The heat dissipation structure for a backlight module as set forth in claim 1, wherein: the heat radiation fan (6) is a centrifugal fan.
8. A backlight module is characterized in that: comprising the heat dissipation structure for a backlight module as set forth in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710803307.9A CN107589592B (en) | 2017-09-08 | 2017-09-08 | Heat dissipation structure for backlight module and backlight module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710803307.9A CN107589592B (en) | 2017-09-08 | 2017-09-08 | Heat dissipation structure for backlight module and backlight module |
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| CN107589592A CN107589592A (en) | 2018-01-16 |
| CN107589592B true CN107589592B (en) | 2020-06-23 |
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| CN201710803307.9A Active CN107589592B (en) | 2017-09-08 | 2017-09-08 | Heat dissipation structure for backlight module and backlight module |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037614A (en) * | 2017-12-27 | 2018-05-15 | 惠州市华星光电技术有限公司 | Radiator, backlight module and the display device of backlight module |
| CN108282988B (en) * | 2018-03-28 | 2023-10-13 | 青岛高测科技股份有限公司 | Heat exchange air duct system for electric control cabinet |
| CN108662472A (en) * | 2018-05-29 | 2018-10-16 | 江苏聚泰科技有限公司 | A kind of good side entrance back module of heat dissipation |
| CN110060576A (en) * | 2019-04-30 | 2019-07-26 | 厦门天马微电子有限公司 | A kind of display device |
| CN110595131B (en) * | 2019-09-11 | 2020-10-30 | 苏州长光华医生物医学工程有限公司 | Heat abstractor and have device's reagent storehouse |
| CN110780520A (en) * | 2019-09-30 | 2020-02-11 | 深圳市火乐科技发展有限公司 | Projector |
| CN112034647A (en) * | 2020-10-21 | 2020-12-04 | 深圳市给力光电有限公司 | Backlight module with good heat dissipation effect |
| CN113710027B (en) * | 2021-08-18 | 2024-05-14 | 锐捷网络股份有限公司 | Optical module cage and communication equipment |
| CN115774353B (en) * | 2021-09-06 | 2024-04-19 | 苏州佳世达电通有限公司 | Integrated liquid-cooled heat dissipation module, backlight module using same and display device |
| CN115574303B (en) * | 2022-09-26 | 2023-06-16 | 深圳市瀚达美电子有限公司 | Large-size LED backlight source with high heat dissipation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200538023A (en) * | 2004-05-13 | 2005-11-16 | Mitac Technology Corp | Heat dissipation module having cooling fin structure for smoothing and introducing air flow |
| CN201035489Y (en) * | 2007-03-20 | 2008-03-12 | 纬创资通股份有限公司 | Electronic equipment and heat radiator thereof |
| CN201700122U (en) * | 2010-02-03 | 2011-01-05 | 郏松筠 | Radiating device with air guide hood |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470870Y (en) * | 2001-02-08 | 2002-01-09 | 神基科技股份有限公司 | Radiating assembly with double air inlets |
| KR20060070176A (en) * | 2004-12-20 | 2006-06-23 | 삼성전자주식회사 | Cooling apparatus and liquid crystal display device having the same |
| TWI345661B (en) * | 2006-10-30 | 2011-07-21 | Coretronic Corp | Backlight module |
| CN102958324B (en) * | 2011-08-29 | 2015-03-25 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
-
2017
- 2017-09-08 CN CN201710803307.9A patent/CN107589592B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200538023A (en) * | 2004-05-13 | 2005-11-16 | Mitac Technology Corp | Heat dissipation module having cooling fin structure for smoothing and introducing air flow |
| CN201035489Y (en) * | 2007-03-20 | 2008-03-12 | 纬创资通股份有限公司 | Electronic equipment and heat radiator thereof |
| CN201700122U (en) * | 2010-02-03 | 2011-01-05 | 郏松筠 | Radiating device with air guide hood |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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