Outdoor LED display screen heat dissipation equipment

Abstract

The utility model belongs to the technical field of outdoor LED display screens, and particularly relates to outdoor LED display screen heat dissipation equipment which comprises an outer frame, a mounting opening is formed in the middle of the front face of the outer frame, a first top baffle is welded to the top of one end of the inner wall of the outer frame, and a first bottom baffle is welded to the bottom of one end of the inner wall of the outer frame. A grid support is welded between the first top baffle and the first bottom baffle, a modular display screen is mounted at the position, close to the grid support, in the mounting opening, and a second top baffle is welded to the position, corresponding to the first top baffle, of the top in the outer frame. According to the outdoor LED display screen, the rectangular air pipe arranged at the top of the back plate, the rectangular air pipe arranged at the bottom of the back plate, the air inlet fan and the air exhaust fan are used in cooperation, a heat dissipation air channel from top to bottom can be formed in the outdoor LED display screen, when airflow passes through the heat dissipation air channel, heat generated during operation of the outdoor LED display screen can be discharged, and heat dissipation efficiency is improved. And heat dissipation of the outdoor LED display screen is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of outdoor LED display screens, and particularly relates to a heat dissipation device for an outdoor LED display screen. Background Technique

[0002] Outdoor LED display screens, as the new favorites of future outdoor display advertising media, are widely used in finance, taxation, industry and commerce, post and telecommunications, sports, advertising, factories and mines, transportation, education systems, stations, docks, airports, shopping malls, hospitals, hotels, banks, securities markets, construction markets, auction houses, industrial enterprise management, and other public places. They have uses such as media display, information release, traffic guidance, and creative display.

[0003] The working environment of outdoor LED display screens is relatively harsh. In addition, a large amount of heat is generated by the LED display screens themselves during operation. If the heat dissipation of the LED display screens is poor, it is very likely that the integrated circuits of the LED display screens will work abnormally or even be burned out, ultimately causing the display system to be unable to work properly. Based on this, the utility model provides a heat dissipation device for an outdoor LED display screen. Content of the Utility Model

[0004] In order to solve the above problems existing in the prior art, the utility model provides a heat dissipation device for an outdoor LED display screen, which has the characteristics of being convenient for heat dissipation of the outdoor LED display screen.

[0005] To achieve the above object, the utility model provides the following technical solution: A heat dissipation device for an outdoor LED display screen, including an outer frame. An installation opening is arranged in the middle of the front of the outer frame. One end of the inner wall of the outer frame is welded with a first top baffle at the top and a first bottom baffle at the bottom. A grid bracket is welded between the first top baffle and the first bottom baffle. A modular display screen is installed inside the installation opening near the grid bracket.

[0006] A second top baffle is welded at the top of the inner frame of the outer frame corresponding to the first top baffle. A plurality of intake fans are installed between the second top baffle and the upper part of the first top baffle. A second bottom baffle is welded at the bottom of the inner frame of the outer frame corresponding to the first bottom baffle. Exhaust fans are equidistantly installed between the second bottom baffle and the bottom end of the inner wall of the outer frame. A back plate is installed on the back of the outer frame. Rectangular air ducts are welded at the top and bottom of the back of the back plate. A filter screen is installed at the bottom end of the rectangular air duct. A support frame is welded at the bottom end of the outer frame.

[0007] As a preferred technical solution of the heat dissipation device for an outdoor LED display screen of the utility model, an inclined surface is arranged at the top of the first top baffle. A fixed card slot is arranged in the middle of the inclined surface of the first top baffle. An L-shaped inclined card slot is arranged at the top of the second top baffle. The L-shaped inclined card slot is adapted to the inclined surface arranged on the first top baffle.

[0008] As a preferred technical solution of the outdoor LED display heat dissipation device of the present utility model, hidden fixing holes are provided at the four corners of one end of the intake fan. The inner diameter of the hidden fixing holes is the same as the width of the fixing card slots. A first limiting screw is installed inside the hidden fixing holes, and one end of the first limiting screw is located inside the fixing card slots.

[0009] As a preferred technical solution of the outdoor LED display heat dissipation device of the present utility model, the width of the second bottom baffle is the same as the thickness of the exhaust fan. The distance between the second bottom baffle and the bottom end of the inner wall of the outer frame is the same as the height of the exhaust fan. A through hole is provided in the middle of the top end of the second bottom baffle.

[0010] As a preferred technical solution of the outdoor LED display heat dissipation device of the present utility model, fixing screw grooves are symmetrically provided at the top end of the exhaust fan. The inner diameter of the fixing screw grooves is the same as the width of the through hole. A second limiting screw is installed inside the through hole, and one end of the second limiting screw is located inside the fixing screw grooves.

[0011] As a preferred technical solution of the outdoor LED display heat dissipation device of the present utility model, positioning grooves are provided on both side edges of the outer frame, and first clamping holes are equidistantly provided on one side of the inner wall of the positioning grooves.

[0012] As a preferred technical solution of the outdoor LED display heat dissipation device of the present utility model, the cross-sectional shape of the back plate is U-shaped. Both sides of the back plate are located inside the two positioning grooves. Second clamping holes are equidistantly provided on both sides of the back plate. The second clamping holes are adapted to the first clamping holes. Fixing screws are installed inside the second clamping holes, and one end of the fixing screws is located inside the first clamping holes.

[0013] As a preferred technical solution of the outdoor LED display heat dissipation device of the present utility model, connection screw grooves are provided at the four corners of the bottom end of the rectangular air duct. Connection holes are provided at the four corners of the bottom end of the filter screen. The four connection holes are adapted to the four connection screw grooves. Connection screws are installed inside the connection holes, and one end of the connection screws is located inside the connection screw grooves.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] When the present utility model is in use, through the combined use of the rectangular air duct provided at the top of the back plate, the rectangular air duct provided at the bottom of the back plate, the intake fan and the exhaust fan, a heat dissipation air duct from top to bottom can be formed inside the outdoor LED display. When the air flow passes through the heat dissipation air duct, the heat generated during the operation of the outdoor LED display can be discharged, facilitating the heat dissipation use of the outdoor LED display. Description of the Drawings

[0016] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a bottom view of the present utility model;

[0019] Figure 3 is an installation cross-sectional view of the back panel of the present utility model;

[0020] Figure 4 is a schematic diagram of the installation structure of the exhaust fan of the present utility model;

[0021] Figure 5 is an installation exploded view of the intake fan of the present utility model;

[0022] Figure 6 is the present utility model Figure 5 a schematic diagram of the structure of area A in;

[0023] Figure 7 is the present utility model Figure 5 a schematic diagram of the structure of area B in;

[0024] Figure 8 is an installation exploded view of the filter net of the present utility model;

[0025] Figure 9 is the present utility model Figure 8 a schematic diagram of the structure of area C in.

[0026] In the figure: 1. Outer frame; 2. Installation opening; 3. First top baffle; 4. First bottom baffle; 5. Grid support; 6. Modular display screen; 7. Second top baffle; 8. Intake fan; 9. Second bottom baffle; 10. Exhaust fan; 11. Back panel; 12. Rectangular air duct; 13. Filter net; 14. Support frame; 15. Fixed card slot; 16. Hidden fixing hole; 17. First limit screw; 18. Through hole; 19. Fixed screw groove; 20. Second limit screw; 21. Positioning slot; 22. First card hole; 23. Second card hole; 24. Fixed screw; 25. Connecting screw groove; 26. Connecting hole; 27. Connecting screw. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0028] Please refer to Figures 1 to 9 , the present invention provides the following technical solutions: An outdoor LED display heat dissipation device includes an outer frame 1. An installation opening 2 is provided in the middle of the front surface of the outer frame 1. One end of the inner wall of the outer frame 1 is welded with a first top baffle 3 at the top. The top of the first top baffle 3 is provided with an inclined surface. A fixed card slot 15 is opened in the middle of the inclined surface of the first top baffle 3. One end of the inner wall of the outer frame 1 is welded with a first bottom baffle 4 at the bottom. A grid bracket 5 is welded between the first top baffle 3 and the first bottom baffle 4. A modular display screen 6 is fixedly installed near the grid bracket 5 inside the installation opening 2. The structure and installation method of the modular display screen 6 are both prior art solutions and will not be described in detail here;

[0029] A second top baffle 7 is welded at the inner top of the outer frame 1 corresponding to the first top baffle 3. The top of the second top baffle 7 is provided with an L-shaped inclined card slot, which is adapted to the inclined surface provided by the first top baffle 3. A number of intake fans 8 are placed between the second top baffle 7 and the upper part of the first top baffle 3 to facilitate the inclined placement of the intake fans 8. Hidden fixing holes 16 are opened at the four corners of one end of the intake fans 8. The inner diameter of the hidden fixing holes 16 is the same as the width of the fixed card slot 15. A first limit screw 17 is installed inside the hidden fixing holes 16. One end of the first limit screw 17 is located inside the fixed card slot 15 to facilitate the fixed use of the intake fans 8. A second bottom baffle 9 is welded at the inner bottom of the outer frame 1 corresponding to the first bottom baffle 4. A through hole 18 is opened in the middle of the top end of the second bottom baffle 9. Exhaust fans 10 are installed at equal distances between the second bottom baffle 9 and the bottom end of the inner wall of the outer frame 1. The width of the second bottom baffle 9 is the same as the thickness of the exhaust fans 10. The distance between the second bottom baffle 9 and the bottom end of the inner wall of the outer frame 1 is the same as the height of the exhaust fans 10 to facilitate the snap-in placement of the exhaust fans 10. Fixed screw grooves 19 are symmetrically opened at the top end of the exhaust fans 10. The inner diameter of the fixed screw grooves 19 is the same as the width of the through hole 18. A second limit screw 20 is installed inside the through hole 18. One end of the second limit screw 20 is located inside the fixed screw grooves 19 to facilitate the fixed use of the exhaust fans 10;

[0030] Positioning grooves 21 are provided on both sides of the outer frame 1, and a first clamping hole 22 is equidistantly provided on one side of the inner wall of the positioning groove 21. A back plate 11 is installed on the back of the outer frame 1. The cross-sectional shape of the back plate 11 is a 匚-shaped. Both sides of the back plate 11 are located inside the two positioning grooves 21. Second clamping holes 23 are equidistantly provided on both sides of the back plate 11. The second clamping holes 23 and the first clamping holes 22 are adapted to each other. A fixing screw 24 is installed inside the second clamping hole 23, and one end of the fixing screw 24 is located inside the first clamping hole 22, which is convenient for the installation and use of the back plate 11. A rectangular air duct 12 is welded to the top of the back side of the back plate 11 and the bottom of the back side of the back plate 11. A connecting screw groove 25 is provided at the four corners of the bottom end of the rectangular air duct 12. A filter 13 is installed at the bottom end of the rectangular air duct 12. A connecting hole 26 is provided at the four corners of the bottom end of the filter 13. The four connecting holes 26 and the four connecting screw grooves 25 are adapted to each other. A connecting screw 27 is installed inside the connecting hole 26. One end of the connecting screw 27 is located inside the connecting screw groove 25, which is convenient for the installation and use of the filter 13. A supporting frame 14 is welded to the bottom end of the outer frame 1. Multiple inlet fans 8 and multiple exhaust fans 10 are connected in parallel. The input ends of the multiple inlet fans 8 and the exhaust fans 10 after parallel connection are electrically connected to the output end of the external control circuit (or the controller installed inside the outdoor LED display). The inlet fans 8 and the exhaust fans 10 are both existing technical equipment, and their specific structures are not described in detail here.

[0031] The working principle and use process of the utility model are as follows: when the outdoor LED display screen is in use, the inlet fan 8 and the exhaust fan 10 will be started. The inlet fan 8 will suck the external airflow into the outdoor LED display screen through the rectangular air duct 12 arranged on the top of the back plate 11. The exhaust fan 10 will discharge the airflow inside the outdoor LED display screen through the rectangular air duct 12 arranged at the bottom of the back plate 11, thereby forming a heat dissipation duct from top to bottom. When the airflow passes through the heat dissipation duct, the heat generated by the outdoor LED display screen during operation can be discharged, which is convenient for the heat dissipation use of the outdoor LED display screen.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heat dissipation device for an outdoor LED display screen, comprising an outer frame (1), characterized in that: A mounting opening (2) is provided in the middle of the front surface of the outer frame (1). One end of the inner wall of the outer frame (1) is welded with a first top baffle (3) at the top and a first bottom baffle (4) at the bottom. A grid bracket (5) is welded between the first top baffle (3) and the first bottom baffle (4). A modular display screen (6) is installed inside the mounting opening (2) near the grid bracket (5). A second top baffle (7) is welded at the inner top of the outer frame (1) corresponding to the first top baffle (3). A number of intake fans (8) are installed between the second top baffle (7) and the upper part above the first top baffle (3). A second bottom baffle (9) is welded at the inner bottom of the outer frame (1) corresponding to the first bottom baffle (4). Exhaust fans (10) are equidistantly installed between the second bottom baffle (9) and the bottom end of the inner wall of the outer frame (1). A back plate (11) is installed on the back of the outer frame (1). Rectangular air ducts (12) are welded at the top and bottom of the back of the back plate (11). A filter screen (13) is installed at the bottom end of the rectangular air duct (12). A support frame (14) is welded at the bottom end of the outer frame (1).

2. The outdoor LED display heat dissipation device according to claim 1, characterized in that: The top of the first top baffle (3) is provided with an inclined surface, and a fixed card slot (15) is opened in the middle of the inclined surface of the first top baffle (3). The top of the second top baffle (7) is provided with an L-shaped inclined card slot, and the L-shaped inclined card slot is adapted to the inclined surface provided by the first top baffle (3).

3. The outdoor LED display heat dissipation device according to claim 2, characterized in that: Hidden fixing holes (16) are opened at the four corners of one end of the intake fan (8). The inner diameter of the hidden fixing hole (16) is the same as the width of the fixed card slot (15). A first limit screw (17) is installed inside the hidden fixing hole (16), and one end of the first limit screw (17) is located inside the fixed card slot (15).

4. The outdoor LED display heat dissipation device according to claim 1, characterized in that: The width of the second bottom baffle (9) is the same as the thickness of the exhaust fan (10). The distance between the second bottom baffle (9) and the bottom end of the inner wall of the outer frame (1) is the same as the height of the exhaust fan (10). A through hole (18) is opened in the middle of the top end of the second bottom baffle (9).

5. The outdoor LED display heat dissipation device according to claim 4, characterized in that: Fixed screw grooves (19) are symmetrically opened at the top end of the exhaust fan (10). The inner diameter of the fixed screw groove (19) is the same as the width of the through hole (18). A second limit screw (20) is installed inside the through hole (18), and one end of the second limit screw (20) is located inside the fixed screw groove (19).

6. The outdoor LED display heat dissipation device according to claim 1, characterized in that: Positioning grooves (21) are opened on both side edges of the outer frame (1). A number of first card holes (22) are equidistantly opened on one side of the inner wall of the positioning groove (21).

7. The outdoor LED display heat dissipation device according to claim 6, characterized in that: The cross-sectional shape of the back plate (11) is U-shaped. The two sides of the back plate (11) are located inside the two positioning grooves (21). A number of second card holes (23) are equidistantly opened on both sides of the back plate (11). The second card holes (23) are adapted to the first card holes (22). A fixing screw (24) is installed inside the second card hole (23), and one end of the fixing screw (24) is located inside the first card hole (22).

8. The outdoor LED display screen heat dissipation device according to claim 1, characterized in that: The rectangular air duct (12) is provided with connecting screw grooves (25) at four corners of the bottom end, and the filter screen (13) is provided with connecting holes (26) at four corners of the bottom end. The four connecting holes (26) and the four connecting screw grooves (25) are matched with each other. A connecting screw rod (27) is installed inside the connecting hole (26), and one end of the connecting screw rod (27) is located inside the connecting screw groove (25).

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