Die-casting box body for indoor COB display screen

Abstract

The utility model belongs to the technical field of LED display, and relates to a die-casting box body for an indoor COB display screen, which comprises a box body frame, a switching power supply and a HUB adapter plate, and the switching power supply and the HUB adapter plate are arranged on the front surface of the box body frame; the box body frame is a die-casting forming part and comprises a plate surface part and side walls arranged along the edge of the plate surface part, the plate surface part is divided into a plurality of heat dissipation areas through grooves, a plurality of heat dissipation long grooves are formed in the heat dissipation areas so that heat dissipation lines can be formed on the plate surface part, and the front face of the box body frame and a lamp panel of the COB display screen are installed together; the beneficial effects are that the grooves, the heat dissipation long grooves and the smooth planes are arranged on the two surfaces of the box body frame, so that the heat dissipation area of the box body frame is greatly increased, the overall thickness and strength of the box body frame are increased under the condition that the actual thickness of the plate surface part is not changed, the heat dissipation speed and mechanical strength of the box body can be greatly improved, the production cost is saved, and the production efficiency is improved. And the effect of improving the heat dissipation efficiency of the box body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display, in particular to a die-casting box body for an indoor COB display screen. Background Art

[0002] With the development of technology, the display screen technology is also constantly progressing. As an important medium for information dissemination in modern society, indoor and outdoor full-color display screens are increasingly widely used. In the field of display screens, COB (Chip On Board) display screens have gradually become a market hot spot due to their high brightness, high stability, long service life and other characteristics. However, if the heat generated during the operation of the COB display screen cannot be dissipated in time, the display screen body is prone to phenomena such as cyan floating, seriously affecting the display effect and service life of the display screen.

[0003] At present, the common box body structures of indoor COB display screens mainly include components such as a metal frame, a switching power supply and a HUB adapter board. The metal frame is usually made by welding or splicing. Although it has certain heat dissipation performance, in actual applications, its heat dissipation effect and mechanical strength still need to be improved. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the above-mentioned disadvantages and deficiencies of the prior art, the utility model provides a die-casting box body for an indoor COB display screen, which solves the technical problems that the heat dissipation effect and mechanical strength of the existing COB display screen box body are not ideal enough.

[0006] (2) Technical Solutions

[0007] In order to achieve the above purpose, the main technical solutions adopted by the utility model include:

[0008] The embodiment of the utility model provides a die-casting box body for an indoor COB display screen, including a box body frame, a switching power supply and a HUB adapter board. The switching power supply and the HUB adapter board are installed on the front surface of the box body frame;

[0009] Among them, the box body frame is a die-casting formed part, including a plate surface part and side walls arranged along the edge of the plate surface part. The plate surface part is divided into several heat dissipation areas by grooves. A plurality of heat dissipation long grooves are arranged side by side in the heat dissipation areas to form heat dissipation patterns on the plate surface part. The front surface of the box body frame is installed together with the lamp board of the COB display screen for heat transfer by contact.

[0010] Optionally, rectangular smooth planes are reserved in the middle of both sides of the plate surface part. There are four grooves, which are symmetrically arranged on the front and back surfaces of the plate surface part and divide the plate surface part into four heat dissipation areas. The heat dissipation long grooves are arranged on the front and back surfaces of the plate surface part to form a "hui" - shaped heat dissipation pattern.

[0011] Optionally, both the front end and the rear end of the groove are located on the angular bisector of the box frame, and the middle part of the groove is located in the smooth plane.

[0012] Optionally, multiple groups of magnet mounting posts are arranged on the front surface of the board surface. Among them, one group of magnet mounting posts is arranged horizontally, and the other group of magnet mounting posts is arranged vertically, evenly dividing the board surface into multiple regions.

[0013] Optionally, connection mounting holes are provided at the right angles on the back surface of the box frame so that two boxes can be connected together through a connecting piece.

[0014] Optionally, a splicing platform is arranged on the outer peripheral side wall of the box frame, facilitating the tight splicing of two adjacent boxes together.

[0015] Optionally, a box handle is arranged on one side of the board surface.

[0016] Optionally, the HUB adapter board is provided with clearance holes to avoid the magnet mounting posts, and the HUB adapter board is mounted on the box frame through fasteners.

[0017] Optionally, a board connector for cooperating with the lamp board is arranged on the front surface of the HUB adapter board.

[0018] (III) Beneficial effects

[0019] The beneficial effects of the present utility model are as follows:

[0020] 1. For a die-cast box for an indoor COB display screen of the present utility model, due to the adoption of a unique box frame, the box frame is a die-cast molding, grooves and heat dissipation long grooves are arranged on both sides of the box frame, and a smooth plane is reserved in the middle of the board surface, greatly increasing the heat dissipation area of the box frame. At the same time, without changing the actual thickness of the board surface, the overall thickness and strength of the box frame are increased. Compared with the prior art, it can significantly improve the heat dissipation speed and mechanical strength of the box, while saving production costs, and solving the technical problems that the heat dissipation effect and mechanical strength of the existing COB display screen box are not ideal enough.

[0021] 2. Multiple groups of magnet mounting posts are arranged on the front surface of the board surface, and the box and the lamp board are mounted through magnetic attraction cooperation, which is simple and convenient. Brief description of the drawings

[0022] Figure 1 It is a rear view schematic diagram of Embodiment 1 of a die-cast box for an indoor COB display screen of the present utility model;

[0023] Figure 2 It is a front view schematic diagram of Embodiment 1 of a die-cast box for an indoor COB display screen of the present utility model;

[0024] Figure 3 is Figure 2 the sectional view at A-A in

[0025] Figure 4 is Figure 2 the sectional view at B-B in

[0026] Figure 5 one of the schematic diagrams of the disassembly of the box body of Embodiment 1 of the die-cast box body for indoor COB display screen of the present utility model;

[0027] Figure 6 the other schematic diagram of the disassembly of the box body of Embodiment 1 of the die-cast box body for indoor COB display screen of the present utility model.

[0028]

Explanation of the reference numerals of the drawings

[0029] 1. Box body frame; 10. Smooth plane; 11. Wire passing hole; 12. Heat dissipation long groove; 13. Splicing platform; 14. Magnet mounting post; 15. Groove; 16. Box body handle; 17. Connection mounting hole;

[0030] 2. Switching power supply;

[0031] 3. HUB adapter board; 31. Board connector; 32. Clearance hole; 33. Fastener. Specific embodiments

[0032] In order to better explain the present utility model for easy understanding, the present utility model will be described in detail below with reference to the drawings through specific embodiments. Among them, the orientation terms such as "upper" and "lower" mentioned herein are based on Figure 6 the orientation of

[0033] A die-cast box body for indoor COB display screen proposed in an embodiment of the present utility model includes a box body frame, a switching power supply and a HUB adapter board, and the switching power supply and the HUB adapter board are installed on the front of the box body frame; wherein, the box body frame is a die-cast formed part, including a plate surface part and side walls arranged along the edge of the plate surface part. The plate surface part is divided into several heat dissipation areas by grooves, and a plurality of heat dissipation long grooves are arranged side by side in the heat dissipation areas to form heat dissipation patterns on the plate surface part. The front of the box body frame is installed together with the lamp board of the COB display screen for heat transfer by contact; grooves and heat dissipation long grooves are provided on both sides of the box body frame, which greatly increases the heat dissipation area of the box body frame. At the same time, when the actual thickness of the plate surface part remains unchanged, the overall thickness and strength of the box body frame are increased. Compared with the prior art, it can greatly improve the heat dissipation speed and mechanical strength of the box body, and at the same time save production costs, achieving the effect of improving the heat dissipation efficiency of the box body.

[0034] To better understand the above technical solution, the exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present utility model and to fully convey the scope of the present utility model to those skilled in the art.

[0035] Embodiment 1:

[0036] Referring to Figure 1 and Figure 2 In this embodiment, a die-cast box for an indoor COB display screen is provided, which includes a box frame 1, a switching power supply 2, and a HUB adapter board 3. The switching power supply 2 and the HUB adapter board 3 are installed on the front surface of the box frame 1.

[0037] Referring to Figure 5 Among them, the box frame 1 is a die-cast part, usually an aluminum die-cast part. The box frame 1 includes a plate surface portion and side walls provided along the edges of the plate surface portion. The plate surface portion is divided into several heat dissipation areas by grooves 15. A plurality of heat dissipation long grooves 12 are arranged side by side in the heat dissipation areas to form heat dissipation patterns on the plate surface portion. The front surface of the box frame 1 is installed together with the lamp board of the COB display screen for heat transfer by contact.

[0038] Referring to Figures 3 to 5 To maintain the mechanical strength of the box frame 1, rectangular smooth planes 10 are reserved in the middle of both sides of the plate surface portion. There are four grooves 15, and they are symmetrically arranged on the front and back surfaces of the plate surface portion; that is to say, two grooves 15 are provided on both the front and back surfaces of the plate surface portion. The front end and the rear end of each groove 15 are located on the angular bisector of the box frame 1, and the middle of the groove 15 is located within the smooth plane 10, dividing the plate surface portion into four heat dissipation areas. The heat dissipation long grooves 12 are provided on the front and back surfaces of the plate surface portion to form a heat dissipation pattern similar to a "hui" character. The cross-section of the heat dissipation long groove 12 is in a wave shape.

[0039] Referring to Figure 6 As a feasible solution, two groups of magnet mounting posts 14 are provided on the front surface of the plate surface portion. Each group of magnet mounting posts 14 can be arranged in one row or multiple rows. Among them, one group of magnet mounting posts 14 is arranged horizontally, and the other group of magnet mounting posts 14 is arranged vertically, evenly dividing the plate surface portion into multiple areas for correspondingly installing multiple lamp boards. The magnet mounting posts 14 in the same group are connected together by reinforcing ribs, which is more firm and reliable.

[0040] Referring to Figure 5 During the actual operation process, connection mounting holes 17 are provided at the right angles on the back surface of the box frame 1 so that the back surfaces of two boxes can be connected and installed together through connection pieces.

[0041] Continue to refer to Figure 5 , in order to improve the splicing accuracy, a splicing platform 13 is provided on the outer peripheral side wall of the box body frame 1. The splicing platform 13 is machined, with high precision, ensuring the flatness of splicing and facilitating the tight splicing of two adjacent box bodies together.

[0042] As Figure 5 shown, in actual production, a box body handle 16 is provided on one side of the board surface, which is convenient for taking the box body. Through holes 11 are provided on the upper and lower side walls and the left and right side walls of the box body frame 1.

[0043] Refer to Figure 6 , for the convenience of installation, the HUB adapter board 3 is provided with a clearance hole 32 to avoid the magnet mounting post 14. The magnet is mounted on the magnet mounting post 14. During subsequent installation, the lamp board is mounted on the box body frame 1 by magnetic adsorption, and the installation operation is convenient. The HUB adapter board 3 is mounted on the box body frame 1 through a fastener 33, and the fastener 33 generally uses screws. A board connector 31 for cooperating with the lamp board is provided on the front surface of the HUB adapter board 3.

[0044] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined.

[0045] In the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected to", "fixed" and other terms should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium; it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] In the present utility model, unless otherwise clearly specified and defined, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirectly in contact via an intermediate medium. Moreover, a first feature being "above", "over" and "on top of" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply that the first feature has a higher level height than the second feature. A first feature being "under", "beneath" and "underneath" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply that the first feature has a lower level height than the second feature.

[0047] In the description of this specification, the descriptions of terms such as "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples", etc., mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0048] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present utility model.

Claims

1. A die-cast box for an indoor COB display screen, characterized in that: It includes a box frame (1), a switching power supply (2) and a HUB adapter board (3), and the switching power supply (2) and the HUB adapter board (3) are installed on the front of the box frame (1). Among them, the box frame (1) is a die-cast molding, including a plate surface and side walls arranged along the edge of the plate surface. The plate surface is divided into several heat dissipation areas by grooves (15). A plurality of heat dissipation slots (12) are arranged side by side in the heat dissipation areas to form heat dissipation patterns on the plate surface. The front of the box frame (1) is installed together with the lamp board of the COB display screen for heat transfer by contact.

2. The die-casting box for an indoor COB display screen according to claim 1, wherein: Rectangular smooth planes (10) are reserved in the middle of both sides of the plate surface. There are four grooves (15), which are symmetrically arranged on the front and back of the plate surface and divide the plate surface into four heat dissipation areas. The heat dissipation slots (12) are arranged on the front and back of the plate surface to form a "return" shaped heat dissipation pattern.

3. The die-casting box for an indoor COB display screen according to claim 2, wherein: Both the front end and the rear end of the groove (15) are located on the angular bisector of the box frame (1), and the middle part of the groove (15) is located within the smooth plane (10).

4. The die-casting box for an indoor COB display screen according to claim 3, characterized in that: A plurality of groups of magnet mounting posts (14) are arranged on the front of the plate surface. Among them, one group of magnet mounting posts (14) is arranged horizontally, and the other group of magnet mounting posts (14) is arranged vertically, evenly dividing the plate surface into multiple areas.

5. The die-casting box for an indoor COB display screen according to claim 4, wherein: Connection mounting holes (17) are provided at the right angles on the back of the box frame (1) so that two boxes can be connected together through a connecting piece.

6. The die-casting box for an indoor COB display screen according to claim 5, wherein: A splicing platform (13) is arranged on the outer peripheral side wall of the box frame (1) to facilitate the tight splicing of two adjacent boxes together.

7. The die-casting box for an indoor COB display screen according to claim 6, wherein: A box handle (16) is arranged on one side of the plate surface.

8. A die-casting box for an indoor COB display screen according to claim 7, characterized in that: The HUB adapter board (3) is provided with clearance holes (32) to avoid the magnet mounting posts (14), and the HUB adapter board (3) is installed on the box frame (1) through fasteners (33).

9. The die-casting box for an indoor COB display screen according to claim 8, wherein: A board connector (31) for cooperating with the lamp board is arranged on the front of the HUB adapter board (3).

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