TWI731690B - Heat dissipation structure of large high-brightness display - Google Patents

Abstract

The present invention provides a heat dissipation structure for a large-scale high-brightness display, which includes a large-scale high-brightness display, a supporting unit and a heat dissipation unit. The large high-brightness display includes a liquid crystal display module, a light bar and a lamp housing. The light housing is arranged on the back of the liquid crystal display module. The light bar is arranged on the light housing and corresponds to the top and bottom sides of the liquid crystal display module; support unit It is arranged on the back of the liquid crystal display module and combined with the lamp housing; the heat dissipation unit is arranged around the outer side of the liquid crystal display module and combined with the supporting unit. As a result, when the large-scale high-brightness display generates a heat source during operation, the support unit and the heat dissipation unit can be used to quickly absorb and dissipate the heat source, thereby enhancing the brightness of the large-scale high-brightness display and increasing the use of the large-scale high-brightness display at the same time life.

Description

Heat dissipation structure of large high-brightness display

The present invention provides a heat dissipation structure for large-scale high-brightness displays, especially a heat dissipation structure capable of quickly absorbing and dissipating heat sources, so as to enhance the brightness of large-scale high-brightness displays and at the same time increase the service life of large-scale high-brightness displays. structure.

Generally, the outer frame of a large high-brightness display is usually used to protect its internal mechanism and to provide a locking bracket.

The outer frame of the general large-scale high-brightness display is mostly made of galvanized steel sheet, and it is wrapped around the outer edge of the large-scale high-brightness display, so that the general large-scale high-brightness display cannot effectively provide heat dissipation, causing the heat source to accumulate in the large highlight. Inside the display, the brightness is limited and the service life is shortened.

In view of the shortcomings of the above-mentioned conventional technology, the inventor felt that it was not perfect, so he exhausted his mind to study and overcome it, and then developed a large-scale high-brightness display heat dissipation structure, in order to achieve rapid heat absorption and dissipation. The purpose of increasing the brightness of the large high-brightness display and at the same time increasing the service life of the large high-brightness display.

In order to achieve the above and other objectives, the present invention provides a heat dissipation structure for a large-scale high-brightness display, which includes: a large-scale high-brightness display, a supporting unit and a heat dissipation unit. The large high-brightness display includes a liquid crystal display module, a plurality of light bars, and a lamp housing. The liquid crystal display module has a display surface and a back surface. The light housing is arranged on the back of the liquid crystal display module. The light bars respectively Is arranged on the lamp housing and corresponds to the top and bottom sides of the liquid crystal display module; the supporting unit is arranged on the back of the liquid crystal display module and is combined with the lamp housing; the heat dissipation unit is arranged around the liquid crystal display module The outer side and the supporting unit are combined.

In the heat dissipation structure of the above-mentioned large-scale high-brightness display, the large-scale high-brightness display further includes a panel and a backplane, the panel is coupled to the periphery of the display surface of the liquid crystal display module, and the backplane is coupled to the heat dissipation unit to close The large high-brightness display and the supporting unit.

In the heat dissipation structure of the above-mentioned large-scale high-brightness display, the lamp housing, the supporting unit and the heat dissipation unit are made of aluminum.

In the heat dissipation structure of the above-mentioned large-scale high-brightness display, the support unit includes a first support and a second support, and the first support combines the top side of the lamp housing, the bottom side of the lamp housing and the inner edge of the heat dissipation unit , The second bracket combines a surface of the lamp housing with the inner edge of the heat dissipation unit.

In the heat dissipation structure of the above-mentioned large-scale high-brightness display, a heat dissipation adhesive layer is respectively provided between the first bracket and the lamp housing, and between the first bracket and the heat dissipation unit.

In the heat dissipation structure of the above-mentioned large-scale high-brightness display, the outer side and the inner side of the heat dissipating unit are respectively provided with a plurality of fin bodies, and the inner side of the heat dissipating unit is provided with an extension part combined with the supporting unit.

In the heat dissipation structure of the large-scale high-brightness display described above, the heat dissipation unit is provided with at least one waterproof breathable valve, which is connected to the inside of the large-scale high-brightness display.

As a result, the heat dissipation structure of the large-scale high-brightness display of the present invention can utilize the cooperation of the supporting unit and the heat dissipation unit to quickly absorb and dissipate the heat source when the large-scale high-brightness display is operating and generate heat sources, thereby improving the performance of the large-scale high-brightness display. Brightness, and at the same time increase the service life of large high-brightness displays.

1: Large highlight display

11: LCD module

111: display surface

112: Back

12: Light bar

13: Lamp housing

14: Panel

15: backplane

2: Support unit

21: The first bracket

22: second bracket

23: Thermal adhesive layer

3: Cooling unit

31: Fin body

32: Extension

33: Waterproof and breathable valve

[Figure 1] is a schematic diagram of the appearance of a preferred embodiment of the present invention.

[Figure 2] is an exploded schematic diagram of a preferred embodiment of the present invention.

[Figure 3] is a partial cross-sectional view of the preferred embodiment of the present invention.

In order to fully understand the purpose, features and effects of the present invention, the following specific embodiments are used in conjunction with the accompanying drawings to give a detailed description of the present invention. The description is as follows: please refer to Figures 1 to 3, such as As shown in the figure, the present invention is a heat dissipation structure of a large-scale highlight display, which includes a large-scale highlight display 1, a supporting unit 2 and a heat dissipation unit 3.

The large high-brightness display 1 includes a liquid crystal display module 11, a plurality of light bars 12, and a lamp housing 13. The liquid crystal display module 11 has a display surface 111 and a back surface 112. The lamp housing 13 is arranged on the liquid crystal display module. On the back 112 of the group 11, the light bars 12 are respectively arranged on the lamp housing 13 and correspond to the top side and the bottom side of the liquid crystal display module 11.

The supporting unit 2 is disposed on the back 112 of the liquid crystal display module 11 and is combined with the lamp housing 13 to support the liquid crystal display module 11 and the lamp housing 13.

The heat dissipation unit 3 is arranged around the outer side of the liquid crystal display module 11 and is combined with the supporting unit 2.

When the liquid crystal display module 11 of the large high-brightness display 1 and the light bars 12 are operating to generate heat, the lamp housing 13 can absorb the heat generated by the liquid crystal display module 11 and the light bars 12, and then The support unit 2 absorbs the heat source on the lamp housing 13, and the heat dissipation unit 3 absorbs the heat source on the support unit 2. Since the heat dissipation unit 3 is arranged around the outside of the liquid crystal display module 11, it can be After the radiating unit 3 absorbs the heat source on the supporting unit 2, the heat source on the radiating unit 3 is dissipated by the cold air of the external environment. In this way, the support unit 2 and the heat dissipation unit 3 can quickly absorb and dissipate the heat source, thereby enhancing the brightness of the large-scale high-brightness display 1 and at the same time increase the service life of the large-scale high-brightness display 1.

In one embodiment of the present invention, the large high-brightness display 1 further includes a panel 14 and a back panel 15. The panel 14 is coupled to the periphery of the display surface 111 of the liquid crystal display module 11, and the back panel 15 is coupled to the The heat dissipation unit 2 is used to enclose the large high-brightness display 1 and the supporting unit 2. In this way, the large-scale high-brightness display 1 can be provided with better integrity and aesthetics through the front panel 14 and the back panel 15.

In an embodiment of the present invention, the lamp housing 13, the supporting unit 2 and the heat dissipation unit 3 may be made of aluminum or other materials with better properties. In this way, the lamp housing 13, the support unit 2 and the heat dissipation unit 3 can be made to absorb the heat generated by the liquid crystal display module 11 and the light bars 12 due to the characteristics of their materials. The supporting unit 2 absorbs the heat source on the lamp housing 13 and the heat dissipation unit 3 absorbs the heat source on the supporting unit 2 so that the heat source on the heat dissipation unit 3 is dissipated by the cold air of the external environment. In this way, the support unit 2 and the heat dissipation unit 3 can quickly absorb and dissipate the heat source, thereby enhancing the brightness of the large-scale high-brightness display 1 and at the same time increase the service life of the large-scale high-brightness display 1.

In an embodiment of the present invention, the supporting unit 2 includes a first bracket 21 and a second bracket 22, and the first bracket 21 is combined with the top side of the lamp housing 13, the bottom side of the lamp housing 13 and the heat sink. On the inner edge of the unit 3, the second bracket 22 joins a surface of the lamp housing 13 with the inner edge of the heat dissipation unit 3. In this way, in addition to enabling the supporting unit 2 to achieve better supporting force through the first bracket 21 and the second bracket 22, the supporting unit 2 can also absorb the heat source on the lamp housing 13 and use the heat dissipation unit 3 The heat source on the supporting unit 2 is absorbed, and the heat source on the radiating unit 3 is dissipated by the cold air of the external environment. So, you can The cooperation of the supporting unit 2 and the heat dissipation unit 3 quickly absorbs and dissipates the heat source, thereby enhancing the brightness of the large high-brightness display 1 and at the same time increasing the service life of the large high-brightness display 1.

In an embodiment of the present invention, a heat-dissipating adhesive layer 23 (or a thermal conductive sheet) is provided between the first bracket 21 and the lamp housing 13 and between the first bracket 21 and the heat dissipation unit 3 respectively. In this way, in addition to the first bracket 21 and the second bracket 22 can be firmly combined to the lamp housing 13 and the heat dissipation unit 3 by the heat dissipation adhesive layers 23, the support can also be made by the heat dissipation adhesive layers 23 The unit 2 effectively absorbs the heat source on the lamp housing 13 and at the same time enables the heat dissipation unit 3 to effectively absorb the heat source on the support unit 2 and allows the heat source on the heat dissipation unit 3 to be dissipated by the cold air of the external environment. In this way, the support unit 2 and the heat dissipation unit 3 can quickly absorb and dissipate the heat source, thereby enhancing the brightness of the large-scale high-brightness display 1 and at the same time increase the service life of the large-scale high-brightness display 1.

In an embodiment of the present invention, the outer side and inner side of the heat dissipating unit 3 have a plurality of fin bodies 31 respectively, and the inner side of the heat dissipating unit 3 has an extension part 32 that is combined with the first bracket 21 of the supporting unit 2 . In this way, in addition to stably combining the heat dissipating unit 3 and the first bracket 21 by the extension portion 32, the heat dissipating unit 3 can effectively absorb the heat source on the supporting unit 2 and make the heat dissipating unit 3 more effective. The fin bodies 31 are used to dissipate the heat source from the cold air of the external environment. In this way, the support unit 2 and the heat dissipation unit 3 can quickly absorb and dissipate the heat source, thereby enhancing the brightness of the large-scale high-brightness display 1 and at the same time increase the service life of the large-scale high-brightness display 1.

In an embodiment of the present invention, the heat dissipation unit 3 is provided with at least one waterproof and breathable valve 33, and the waterproof and breathable valve 33 is connected to the inside of the large highlight display 1. In actual use, a waterproof breathable valve 33 can be provided on both sides of the top surface of the heat dissipation unit 3 and the top surface of the top surface, which can effectively prevent moisture and dust from entering the interior of the large highlight display 1 and remove the The moisture inside the large high-brightness display 1 The pressure generated by the excess heat energy is discharged to avoid the damage of the large-scale high-brightness display 1 caused by excessive internal pressure accumulation, thereby prolonging the service life of the large-scale high-brightness display 1.

The present invention has been disclosed in a preferred embodiment above, but those skilled in the art should understand that the embodiment is only used to describe the present invention and should not be construed as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to this embodiment should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the scope of the patent application.

11: LCD module

12: Light bar

13: Lamp housing

21: The first bracket

22: second bracket

23: Thermal adhesive layer

3: Cooling unit

31: Fin body

32: Extension

Claims (6)

A heat dissipation structure for a large high-brightness display, comprising: a large high-brightness display, which includes a liquid crystal display module, a plurality of light bars, and a lamp housing. The liquid crystal display module has a display surface and a back surface. The lamp housing Set on the back of the liquid crystal display module, the light bars are respectively set on the lamp housing and correspond to the top and bottom sides of the liquid crystal display module; a support unit is set on the back of the liquid crystal display module and is combined In the lamp housing; and a heat dissipation unit, which is arranged around the outside of the liquid crystal display module and combined with the support unit; wherein the support unit includes a first support and a second support, and the first support is combined with the lamp housing The top side of the lamp housing, the bottom side of the lamp housing and the inner edge of the heat dissipation unit, and the second bracket combines a surface of the lamp housing with the inner edge of the heat dissipation unit. The heat dissipation structure of the large-scale high-brightness display according to claim 1, wherein the large-scale high-brightness display further includes a panel and a back plate, the panel is coupled to the periphery of the display surface of the liquid crystal display module, and the back plate is coupled to the A heat dissipation unit to enclose the large high-brightness display and the supporting unit. The heat dissipation structure of the large-scale high-brightness display according to claim 1, wherein the lamp housing, the supporting unit and the heat dissipation unit are made of aluminum material. The heat dissipation structure of the large-scale high-brightness display according to claim 1, wherein a heat dissipation adhesive layer is respectively provided between the first bracket and the lamp housing, and between the first bracket and the heat dissipation unit. The heat dissipation structure of the large-scale high-brightness display according to claim 1, wherein the outer side and the inner side of the heat dissipating unit are respectively provided with a plurality of fin bodies, and the inner side of the heat dissipating unit is provided with an extension part combined with the supporting unit. The heat dissipation structure of a large-scale highlight display according to claim 1, wherein the heat dissipation unit is provided with at least one waterproof breathable valve, and the waterproof breathable valve is connected to the inside of the large highlight display.

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