High-heat-dissipation LED display screen

Abstract

The utility model discloses a high heat dissipation LED display screen, and particularly relates to the field of LED display screens, the high heat dissipation LED display screen comprises a frame and a display screen body located on one side of an inner cavity of the frame, openings are symmetrically formed in the upper side and the lower side of the frame, and a plurality of heat dissipation plates are fixedly connected to the position, attached to the display screen body, of the inner cavity of the frame. Vent holes are formed in the surface of the heat dissipation plate. Firstly, heat on the surface of the display screen body can be transferred to the surface of the heat dissipation plate through the heat dissipation plate, gas is injected into the gas pipe by starting the gas pump and exhausted through the gas holes, the gas in the frame flows from bottom to top, external gas enters the frame through filtration of the dustproof plate, and the heat dissipation effect is improved. And heat in the frame is discharged through the top opening, the heat dissipation effect is achieved, dust on the bottom dustproof plate is conveniently filtered and cleaned through the cleaning mechanism, and the heat dissipation use effect is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display screens, and more specifically, to a high heat dissipation LED display screen. Background Art

[0002] LED display is a display screen that controls the display mode of semiconductor light emitting diodes to display various information such as text, graphics, images, animations, quotes, videos, video signals, etc. LED electronic display screen integrates microelectronics technology, computer technology, and information processing. It has the advantages of bright colors, wide dynamic range, high brightness, long life, stable and reliable operation, etc. It is widely used in commercial media, cultural performance market, sports stadiums, information dissemination, news release, securities trading, etc.

[0003] The heat dissipation effect of the internal heat dissipation device of the LED display screen on the market is poor, which makes the temperature inside the LED display screen rise easily after the LED display screen is used for too long, and then the LED display screen is easily damaged;

[0004] The utility model of Chinese patent application number CN201920384958.3 discloses a high heat dissipation LED display screen. By setting a cold water pipe and connecting the cold water pipe to a refrigeration water chiller, the water in the cold water pipe can be kept in a cold water state at all times, and then the cold water pipe emits cold air, which can reduce the temperature in the heat dissipation room; a micro fan and a heat dissipation fan are then set on the rear shell, and the cold air emitted from the cold water pipe can be circulated through the operation of the micro fan and the heat dissipation fan, thereby accelerating the reduction of the temperature in the heat dissipation room; a heat dissipation rod is set, and an installation groove is set on the back of the display screen body, and compression springs and fixing beads are set on both sides of the heat dissipation rod, and the fixing beads can be clamped in the fixing grooves on both sides of the installation groove through the action of the compression spring, thereby facilitating the heat dissipation rod to achieve the heat dissipation effect;

[0005] Then, combined with the drawings in the specification, it can be seen that the long-term open use of the air inlet and exhaust holes of the frame can easily cause dust to enter the interior of the frame and affect the heat dissipation effect, and it is impossible to filter the dust in the air. Some existing LED display screens filter dust through filter plates, which can easily cause dust to accumulate on the surface of the filter plate and affect the flow of gas, thereby affecting the heat dissipation effect. Utility Model Content

[0006] In order to overcome the above defects of the prior art, the utility model provides a high heat dissipation LED display screen to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: a high heat dissipation LED display screen, comprising a frame and a display screen body located on one side of the inner cavity of the frame, the frame is symmetrically provided with openings on the upper and lower sides, a plurality of heat dissipation plates are fixedly connected to the position where the inner cavity of the frame fits the display screen body, the surface of the heat dissipation plates is provided with vents, and first support blocks are symmetrically fixedly connected to the two ends of the upper and lower sides of the inner cavity of the frame;

[0008] A dustproof plate is arranged in the middle of the opening, an air pump is arranged at the bottom of one side of the inner cavity of the frame, a plurality of air pipes are connected to the output end of the air pump, a plurality of air holes are opened at the top of the air pipes, and a cleaning mechanism is arranged at the bottom of the frame.

[0009] Preferably, a back plate is provided on the rear side of the frame, and the four sides of the back plate are fixedly connected to the wall of the frame by rivets, and a plurality of heat dissipation plate arrays are distributed on the rear side of the display screen body.

[0010] Preferably, the width of the air tube is smaller than the width of the opening, the plurality of air tubes are respectively located near the opening and in the center of the frame, and the air holes correspond to the opening.

[0011] Preferably, the input end of the air pump passes through the frame and is connected to a dust cover, the plurality of air pipes are located between a plurality of heat sinks, and the heat sink is located between the upper and lower air pipes.

[0012] Preferably, both ends of the dustproof plate are fixedly connected to the wall of the first support block by rivets, and the second support blocks are symmetrically fixedly connected to both sides of the bottom of the frame.

[0013] Preferably, the cleaning mechanism includes a guide plate fixed on one side of the bottom of the frame, a movable plate is provided at the bottom of the frame, a plurality of cleaning brushes are fixedly connected to the top of the movable plate at a position corresponding to the dustproof plate, and the cleaning brushes are in contact with the dustproof plate.

[0014] Preferably, a limiting groove is opened on one side of the guide plate, a threaded rod is arranged in the middle of the limiting groove, one end of the threaded rod is connected to a motor, one end of the movable plate is fixedly connected to a limiting slider, the limiting slider is arranged in the middle of the limiting groove, and the threaded rod passes through the middle of the limiting slider and is threadedly connected to the limiting slider.

[0015] Technical effects and advantages of the utility model:

[0016] 1. The utility model can first transfer the heat from the surface of the display screen body to the surface of the heat dissipation plate through the heat dissipation plate, and inject gas into the air pipe by starting the air pump, and discharge it through the air holes, so that the gas inside the frame flows from bottom to top, so that the external gas enters the inside of the frame through the filtration of the dustproof plate, and the heat inside the frame is discharged through the top opening to achieve the heat dissipation effect, and the bottom dustproof plate is conveniently filtered and cleaned to prevent dust through the cleaning mechanism, thereby providing the heat dissipation effect;

[0017] 2. The utility model also facilitates the installation and fixing of the dustproof plate by setting the first support block, and facilitates the inspection and cleaning of the interior of the frame by the back plate, thereby improving the use effect, and controls the threaded rod by starting the motor to drive the limit slider to slide inside the limit slide groove, thereby controlling the horizontal movement of the movable plate at the bottom of the frame, driving the cleaning brush to brush and clean the surface of the dustproof plate, thereby improving the filtering and cleaning effect of the dustproof plate, thereby improving the air intake effect of the dustproof plate and improving the heat dissipation effect;

[0018] In summary, through the mutual influence of the above-mentioned multiple effects, the interior of the frame can be cooled down conveniently, the heat dissipation effect of the display screen body can be improved, external dust can be prevented from entering the interior of the frame, the dustproof effect can be improved, and the surface of the dustproof plate can be cleaned conveniently, thereby improving the air intake and heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a rear view structural schematic diagram of the utility model.

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the frame of the utility model.

[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] Figure 5 It is a side cross-sectional structural schematic diagram of the utility model.

[0024] Figure 6 It is a schematic diagram of the connection structure between the motor and the moving plate of the utility model.

[0025] The accompanying drawings are marked as follows: 1. frame; 2. display screen body; 3. opening; 4. back plate; 5. first support block; 6. dustproof plate; 7. heat dissipation plate; 8. vent; 9. air pump; 10. air pipe; 11. air hole; 12. second support block; 13. guide plate; 14. limit slide groove; 15. threaded rod; 16. motor; 17. moving plate; 18. cleaning brush; 19. limit slider. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] As attached Figure 1-6 A high heat dissipation LED display screen shown in the figure comprises a frame 1 and a display screen body 2 located on one side of the inner cavity of the frame 1. Openings 3 are symmetrically provided on the upper and lower sides of the frame 1 to facilitate external gas to enter the interior of the frame 1 and to discharge the hot air inside the frame 1 through the openings 3 to achieve the heat dissipation effect. A plurality of heat dissipation plates 7 are fixedly connected to the position where the inner cavity of the frame 1 fits with the display screen body 2. Vent holes 8 are provided on the surface of the heat dissipation plates 7 to discharge the hot air on the surface of the heat dissipation plates 7 when the gas passes through the interior of the frame 1, thereby cooling the heat dissipation plates 7 and thus cooling the display screen body 2, thereby improving the use effect. First support blocks 5 are symmetrically fixedly provided at both ends of the upper and lower sides of the inner cavity of the frame 1, and the dustproof plate 6 is conveniently installed and fixed through the first support blocks 5, and the dustproof plate 6 is conveniently disassembled and cleaned;

[0028] A dustproof plate 6 is provided in the middle of the opening 3, which can cover the opening 3 to prevent dust and play a protective role. An air pump 9 is provided at the bottom of one side of the inner cavity of the frame 1, and the output end of the air pump 9 is connected to a plurality of air pipes 10. A plurality of air holes 11 are provided on the top of the air pipe 10. A cleaning mechanism is provided at the bottom of the frame 1. The air pump 9 is started to inject gas into the air pipe 10, and exhaust gas is discharged through the air holes 11 so that the gas in the inner cavity of the frame 1 can enter from the bottom opening 3 and be discharged from the top opening 3, which is convenient for heat dissipation and cooling of the heat dissipation plate 7 and the display screen body 2, and the bottom dustproof plate 6 can be cleaned through the cleaning mechanism to improve the air intake effect.

[0029] As attached Figure 2 , 3 As shown, a back panel 4 is provided on the rear side of the frame 1, and the back panel 4 is fixedly connected to the wall of the frame 1 by rivets on all sides. A plurality of heat sinks 7 are distributed in an array on the rear side of the display screen body 2, so as to facilitate the inspection of the interior of the frame 1, and the heat sinks 7 can be used to dissipate heat and cool the display screen body 2.

[0030] As attached Figure 3 , 5As shown, the width of the air pipe 10 is smaller than the width of the opening 3, and the multiple air pipes 10 are respectively located near the opening 3 and in the center of the frame 1. The air hole 11 corresponds to the opening 3. The gas is discharged through the top air hole 11 of the air pipe 10, which can generate air entering the interior of the frame 1 in the middle of the opening 3 at the bottom of the frame 1, and the internal hot air of the frame 1 can be discharged from the middle of the top opening 3, thereby realizing the discharge of hot air and improving the heat dissipation effect.

[0031] As attached Figure 3 , 5 As shown, the input end of the air pump 9 passes through the frame 1 and is connected to a dust cover, multiple air pipes 10 are located between multiple heat sinks 7, and the heat sink 7 is located between the upper and lower air pipes 10. Starting the air pump 9 can conveniently discharge the heat on the surface of the heat sink 7 through the top opening 3, thereby improving the use effect.

[0032] As attached Figure 3 , 4 As shown in Figure 5, both ends of the dustproof plate 6 are fixedly connected to the wall of the first support block 5 by rivets, and the second support blocks 12 are symmetrically fixedly connected to the two sides of the bottom of the frame 1. The dustproof plate 6 can be easily installed and fixed by the first support block 5, and the frame 1 can be supported by the second support block 12.

[0033] As attached Figure 2 , 4 As shown in Figures 5 and 6, the cleaning mechanism includes a guide plate 13 fixed on one side of the bottom of the frame 1, a movable plate 17 is provided at the bottom of the frame 1, and a plurality of cleaning brushes 18 are fixedly connected to the top of the movable plate 17 at a position corresponding to the dustproof plate 6. The cleaning brushes 18 are in contact with the dustproof plate 6, and the cleaning brushes 18 are driven by the movable plate 17 to move, so as to clean the dust on the surface of the bottom dustproof plate 6, thereby improving the filtering and dustproof effect of the dustproof plate 6.

[0034] As attached Figure 2 , 4 As shown in Figures 5 and 6, a limiting slot 14 is provided on one side of the guide plate 13, a threaded rod 15 is provided in the middle of the limiting slot 14, one end of the threaded rod 15 is connected to a motor 16, one end of the movable plate 17 is fixedly connected to a limiting slider 19, the limiting slider 19 is provided in the middle of the limiting slot 14, the threaded rod 15 passes through the middle of the limiting slider 19 and is threadedly connected to the limiting slider 19, the motor 16 is started to control the rotation of the threaded rod 15, the limiting slider 19 can be controlled to slide inside the limiting slot 14, thereby driving the movable plate 17 to slide at the bottom of the dustproof plate 6, which is convenient for starting and cleaning.

[0035] Working principle of the utility model: when in use, the air pump 9 is started to inject gas into the air pipe 10, and the gas is discharged through the air hole 11 to generate gas flow from bottom to top inside the frame 1, and the heat dissipation plate 7 is used to dissipate heat and cool the display screen body 2, so that the heat inside the frame 1 is discharged through the top opening 3, and the external air enters the interior of the frame 1 through the bottom opening 3, and is dust-proof and filtered through the dustproof plate 6;

[0036] By starting the motor 16 to control the moving plate 17 to drive the cleaning brush 18 to move, the dust on the surface of the bottom dustproof plate 6 can be cleaned and cleared, thereby improving the filtering and dustproofing effect of the dustproof plate 6.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high heat dissipation LED display screen, comprising a frame (1) and a display screen body (2) located on one side of an inner cavity of the frame (1), characterized in that: The frame (1) has openings (3) symmetrically formed on the upper and lower sides; a plurality of heat sinks (7) are fixedly connected to the position where the inner cavity of the frame (1) fits the display screen body (2); ventilation holes (8) are formed on the surfaces of the heat sinks (7); and first support blocks (5) are symmetrically fixedly connected to the two ends of the inner cavity of the frame (1) on the upper and lower sides; A dustproof plate (6) is provided in the middle of the opening (3), an air pump (9) is provided at the bottom of one side of the inner cavity of the frame (1), the output end of the air pump (9) is connected to a plurality of air pipes (10), a plurality of air holes (11) are provided at the top of the air pipes (10), and a cleaning mechanism is provided at the bottom of the frame (1).

2. The high heat dissipation LED display according to claim 1, characterized in that: A back plate (4) is provided on the rear side of the frame (1), and the four sides of the back plate (4) are fixedly connected to the wall of the frame (1) by rivets. A plurality of heat dissipation plates (7) are arranged in an array on the rear side of the display screen body (2).

3. The high heat dissipation LED display according to claim 1, characterized in that: The width of the air tube (10) is smaller than the width of the opening (3); a plurality of the air tubes (10) are respectively located near the opening (3) and in the middle of the frame (1); and the air hole (11) corresponds to the opening (3).

4. The high heat dissipation LED display according to claim 1, characterized in that: The input end of the air pump (9) passes through the frame (1) and is connected to a dust cover; the plurality of air pipes (10) are located between the plurality of heat sinks (7); and the heat sink (7) is located between the upper and lower air pipes (10).

5. The high heat dissipation LED display according to claim 1, characterized in that: The two ends of the dustproof plate (6) are fixedly connected to the wall of the first support block (5) by means of rivets, and the two sides of the bottom of the frame (1) are symmetrically fixedly connected to the second support blocks (12).

6. The high heat dissipation LED display according to claim 1, characterized in that: The cleaning mechanism comprises a guide plate (13) fixed to one side of the bottom of the frame (1); a movable plate (17) is provided at the bottom of the frame (1); a plurality of cleaning brushes (18) are fixedly connected to the top of the movable plate (17) at a position corresponding to the dustproof plate (6); the cleaning brushes (18) are in contact with the dustproof plate (6).

7. The high heat dissipation LED display according to claim 6, characterized in that: A limiting slide groove (14) is provided on one side of the guide plate (13), a threaded rod (15) is provided in the middle of the limiting slide groove (14), one end of the threaded rod (15) is connected to a motor (16), one end of the movable plate (17) is fixedly connected to a limiting slider (19), the limiting slider (19) is provided in the middle of the limiting slide groove (14), and the threaded rod (15) passes through the middle of the limiting slider (19) and is threadedly connected to the limiting slider (19).

Images