CN217404679U - Heat dissipation device for backlight lamp bar of liquid crystal display television - Google Patents
Heat dissipation device for backlight lamp bar of liquid crystal display television Download PDFInfo
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- CN217404679U CN217404679U CN202220639089.6U CN202220639089U CN217404679U CN 217404679 U CN217404679 U CN 217404679U CN 202220639089 U CN202220639089 U CN 202220639089U CN 217404679 U CN217404679 U CN 217404679U
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Abstract
The utility model relates to a heat dissipation device of a backlight lamp strip of a liquid crystal display television, which comprises two fixed plates, a heat dissipation plate, an exhaust hood and an exhaust fan, wherein the two fixed plates are respectively and vertically arranged at two sides between a backlight lamp plate and a back plate, and two ends of the two fixed plates are respectively fixed at opposite ends of the backlight lamp plate and the back plate; the heat dissipation plate is fixed on the back of the backlight lamp plate in parallel, the plate surface of the heat dissipation plate is provided with a plurality of heat dissipation holes, and a heat dissipation cavity can be formed between the heat dissipation plate and the back plate; the exhaust hood is installed on the back of the back plate and communicated with the heat dissipation cavity. The utility model discloses a back mounted at the lamp plate in a poor light has the heating panel of louvre, simultaneously at the back mounted heat exchanger of backplate, the heat exchanger is inside and heat dissipation space intercommunication and its internally mounted have the exhaust fan, can effectively give off the heat that lamp plate in a poor light and LED lamp pearl produced, improves the radiating efficiency, prolongs the life of lamp plate in a poor light and LED lamp pearl.
Description
Technical Field
The utility model relates to a LCD TV field, in particular to heat abstractor of LCD TV backlight lamp strip.
Background
Liquid crystal televisions are widely used in life of people, and a display module of the liquid crystal television generally provides a light emitting support by a backlight module composed of internal LED light bars.
The existing LED lamp strip is generally fixed on the back of the liquid crystal display through screws, the structure of the lamp strip is compact, heat emitted by the LED lamp strip is not convenient to dissipate, the brightness of the lamp strip is not only caused, and the service life of the lamp strip is greatly reduced.
Therefore, how to provide a heat dissipation device for a backlight panel of a liquid crystal display television is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heat abstractor of liquid crystal display television backlight plate solves the not smooth technical problem of heat dissipation that current LED lamp strip sent.
The technical scheme of the utility model for solving the technical problems is that the heat dissipation device for the backlight lamp strip of the liquid crystal television comprises a back plate and a backlight lamp plate, the backlight lamp plate is arranged in parallel at the inner side of the back plate, and the surface far away from the back plate is provided with LED lamp beads, comprising two fixed plates, a heat dissipation plate, an exhaust hood and an exhaust fan,
the two fixing plates are respectively and vertically arranged at two sides between the backlight lamp plate and the back plate, and two ends of the two fixing plates are respectively fixed at opposite ends of the backlight lamp plate and the back plate; the heat dissipation plate is fixed on the back of the backlight lamp panel in parallel, the surface of the heat dissipation plate is provided with a plurality of heat dissipation holes, and a heat dissipation cavity can be formed between the heat dissipation plate and the back plate;
the exhaust hood is arranged on the back surface of the back plate and is communicated with the heat dissipation cavity; the exhaust fan is correspondingly installed in the exhaust hood.
The utility model has the advantages that: have the heating panel of louvre through the back mounted at the backlight plate, simultaneously at the back mounted heat exchanger that looses of backplate, the heat exchanger is inside and the exhaust fan of heat dissipation space intercommunication and internally mounted, can effectively distribute the heat that backlight plate and LED lamp pearl produced, improves the radiating efficiency, prolongs the life of backlight plate and LED lamp pearl.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the aperture of each heat dissipation hole is 10mm-20 mm.
Further, the distance between the backlight panel and the back plate is 10mm-40 mm.
The heat dissipation device further comprises an air collecting pipe and an air suction pipe, wherein the air collecting pipe is arranged in the heat dissipation space, and two ends of the air collecting pipe are respectively and vertically fixed on the two fixing plates; the air suction pipes are arranged in the heat dissipation space and are arranged along the direction vertical to the axis of the air collecting pipe, an air inlet at one end of each air suction pipe is opposite to the LED lamp beads, and air outlets at the other ends of the air suction pipes are communicated with the side wall of the air collecting pipe; and an air inlet at one end of the exhaust hood penetrates through the back plate to be communicated with the side wall of the air collecting pipe.
The LED lamp has the further beneficial effects that the air suction pipe and the LED lamp beads are arranged oppositely, so that heat generated by a heat source can be directly sucked away, and the heat dissipation efficiency is improved.
Furthermore, the number of the LED lamp beads and the number of the air suction pipes are 5-12, and the 5-12 air suction pipes are respectively opposite to the 5-12 LED lamp beads one by one.
Furthermore, the diameter of the air collecting pipe is the same as that of the air suction pipe.
The air collecting pipe and the air suction pipe have the same diameter, so that hot air is conveniently discharged.
Furthermore, the diameters of the air collecting pipe and the air suction pipe are both 20mm-40 mm.
Further, the heat dissipation plate is made of an aluminum material.
Drawings
Fig. 1 is a schematic top view of a heat dissipation device for a backlight bar of a liquid crystal display television according to the present invention;
fig. 2 is a schematic view of the overlooking internal structure of the heat dissipation device of the backlight light bar of the liquid crystal display television of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. backplate, 2, backlight plate, 3, LED lamp pearl, 4, fixed plate, 5, heating panel, 51, louvre, 6, collection tuber pipe, 7, aspiration channel, 8, exhaust hood, 9, exhaust fan.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in FIG. 1, a heat dissipation device for a backlight bar of a liquid crystal television comprises a back plate 1 and a backlight lamp plate 2, wherein the backlight lamp plate 2 is arranged at the inner side of the back plate 1 in parallel, and the surface far away from the back plate 1 is provided with LED lamp beads 3 which comprise two fixing plates 4, a heat dissipation plate 5, an exhaust hood 8 and an exhaust fan 9,
the two fixing plates 4 are respectively vertically arranged at two sides between the backlight lamp panel 2 and the back plate 1, and two ends of the two fixing plates are respectively fixed at opposite ends of the backlight lamp panel 2 and the back plate 1; the heat dissipation plate 5 is fixed on the back of the backlight lamp panel 2 in parallel, the surface of the heat dissipation plate is provided with a plurality of heat dissipation holes 51, and a heat dissipation cavity can be formed between the heat dissipation plate 5 and the back plate 1;
the exhaust hood 8 is arranged on the back of the back plate 1 and is communicated with the heat dissipation cavity; the exhaust fan 9 is correspondingly arranged in the exhaust hood 8.
In some embodiments, the diameter of each of the plurality of heat dissipation holes 51 may be 10mm to 20 mm.
In some embodiments, the distance between the backlight panel 2 and the back panel 1 may be 10mm to 40 mm.
In some specific embodiments, the heat dissipation device can further comprise an air collecting pipe 6 and an air suction pipe 7, wherein the air collecting pipe 6 is arranged in the heat dissipation cavity, and two ends of the air collecting pipe are respectively and vertically fixed on the two fixing plates 4; the air suction pipes 7 are arranged in the heat dissipation cavity and are arranged along the direction vertical to the axis of the air collecting pipe 6, the air inlets at one ends of the air suction pipes 7 are arranged close to one side of the LED lamp beads 3, and the air outlets at the other ends of the air suction pipes are communicated with the side wall of the air collecting pipe 6; an air inlet at one end of the exhaust hood 8 penetrates through the back plate 1 to be communicated with the side wall of the air collecting pipe 6.
In some specific embodiments, the number of the LED lamp beads 3 and the number of the air suction pipes 7 can be 5-12, and the 5-12 air suction pipes 7 are respectively opposite to the 5-12 LED lamp beads 3.
In some embodiments, the diameter of the air collecting duct 6 and the diameter of the air suction duct 7 may be the same.
In some embodiments, the diameters of the air collecting duct 6 and the air suction duct 7 can be 20mm to 40 mm.
In some embodiments, the heat dissipation plate 5 may be an aluminum material.
The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A heat dissipation device for a backlight bar of a liquid crystal television comprises a back plate (1) and a backlight lamp plate (2), wherein the backlight lamp plate (2) is arranged on the inner side of the back plate (1) in parallel and is far away from the surface of the back plate (1) and provided with LED lamp beads (3), the heat dissipation device is characterized by comprising two fixing plates (4), a heat dissipation plate (5), an exhaust hood (8) and an exhaust fan (9),
the two fixing plates (4) are respectively and vertically arranged at two sides between the backlight lamp plate (2) and the back plate (1), and two ends of the two fixing plates are respectively fixed at opposite ends of the backlight lamp plate (2) and the back plate (1); the heat dissipation plate (5) is fixed on the back of the backlight lamp panel (2) in parallel, the surface of the heat dissipation plate is provided with a plurality of heat dissipation holes (51), and a heat dissipation cavity can be formed between the heat dissipation plate (5) and the back plate (1);
the exhaust hood (8) is arranged on the back surface of the back plate (1) and is communicated with the heat dissipation cavity; the exhaust fan (9) is correspondingly installed in the exhaust hood (8).
2. The heat dissipation device of the LCD TV backlight bar as claimed in claim 1, wherein the apertures of the heat dissipation holes (51) are all 10mm-20 mm.
3. The heat dissipation device for the backlight bar of the liquid crystal display television according to claim 1, wherein the distance between the backlight panel (2) and the back plate (1) is 10mm-40 mm.
4. The heat dissipation device for the backlight lamp bar of the liquid crystal display television according to claim 1, further comprising an air collecting pipe (6) and an air suction pipe (7), wherein the air collecting pipe (6) is arranged in the heat dissipation cavity, and two ends of the air collecting pipe are respectively and vertically fixed on the two fixing plates (4); the air suction pipes (7) are arranged in the heat dissipation cavity and are arranged along the direction vertical to the axis of the air collecting pipe (6), the air inlets at one end of the air suction pipes (7) are arranged close to one side of the LED lamp beads (3), and the air outlets at the other end of the air suction pipes are communicated with the side wall of the air collecting pipe (6); and an air inlet at one end of the exhaust hood (8) penetrates through the back plate (1) and is communicated with the side wall of the air collecting pipe (6).
5. The heat dissipation device for the backlight lamp bar of the liquid crystal display television according to claim 4, wherein the number of the LED lamp beads (3) and the number of the air suction pipes (7) are 5-12, and the 5-12 air suction pipes (7) are respectively opposite to the 5-12 LED lamp beads (3).
6. The heat dissipation device for the backlight lamp bar of the LCD TV as claimed in claim 4 or 5, wherein the diameter of the air collecting duct (6) is the same as that of the air suction duct (7).
7. The heat dissipation device for the backlight bar of the LCD TV as claimed in claim 6, wherein the diameters of the air collecting pipe (6) and the air suction pipe (7) are both 20mm-40 mm.
8. The heat dissipation device of the LCD TV backlight bar as claimed in claim 1, wherein the heat dissipation plate (5) is made of aluminum material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220639089.6U CN217404679U (en) | 2022-03-22 | 2022-03-22 | Heat dissipation device for backlight lamp bar of liquid crystal display television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220639089.6U CN217404679U (en) | 2022-03-22 | 2022-03-22 | Heat dissipation device for backlight lamp bar of liquid crystal display television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217404679U true CN217404679U (en) | 2022-09-09 |
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ID=83138683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220639089.6U Active CN217404679U (en) | 2022-03-22 | 2022-03-22 | Heat dissipation device for backlight lamp bar of liquid crystal display television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217404679U (en) |
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2022
- 2022-03-22 CN CN202220639089.6U patent/CN217404679U/en active Active
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