Heat dissipation structure for LED display screen

Abstract

The heat dissipation structure comprises an LED display screen body, an installation shell is installed on the back face of the LED display screen body, a filter screen is installed on the side wall of the installation shell, a first scraper blade and a second scraper blade are installed on the two sides of the filter screen respectively, the side wall of the installation shell is fixedly connected with two first transverse rods, and the first transverse rods are fixedly connected with two second transverse rods. Wherein a threaded rod is rotatably connected to the middle of the first cross rod, a threaded block is in threaded connection with the outer portion of the threaded rod, a connecting rod is fixedly connected to the side wall of the threaded block, two second cross rods are installed in the installation shell, sliding rods are installed in the middles of the two second cross rods, and sliding blocks are slidably connected to the outer portions of the two sliding rods. The other end of the connecting rod is fixedly connected with the side wall of one sliding block. The first scraping plate and the second scraping plate are matched and are driven by the servo motor to move back and forth, dust on the surface of the filter screen is cleaned in the moving process, and heat dissipation of the cooling fan is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display screens, in particular to a heat dissipation structure for LED display screens. Background Art

[0002] LED display is a flat panel display, composed of small LED module panels, used to display text, images, videos, video signals and other information. Currently, large LED display screens are often installed outdoors for media purposes.

[0003] However, the existing large-scale outdoor LED display screens have poor heat dissipation effect because they are composed of multiple LED modules. The heat dissipation device often dissipates heat through the cooperation of a cooling fan and a filter. A large amount of dust will accumulate on the surface of the filter after long-term use, which is easy to affect the heat dissipation effect if it is not cleaned in time. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the heat dissipation device usually dissipates heat through the cooperation of a heat dissipation fan and a filter screen. A large amount of dust will accumulate on the surface of the filter screen after long-term use, and failure to clean it in time will easily affect the heat dissipation effect.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a heat dissipation structure for an LED display screen, including an LED display screen body, a mounting shell is installed on the back of the LED display screen body, a filter screen is installed on the side wall of the mounting shell, a first scraper and a second scraper are respectively installed on both sides of the filter screen, and two first cross bars are fixedly connected to the side wall of the mounting shell, wherein a threaded rod is rotatably connected to the middle part of the first cross bar, a threaded block is threadedly connected to the outer part of the threaded rod, and a connecting rod is fixedly connected to the side wall of the threaded block, two second cross bars are installed inside the mounting shell, sliding rods are installed in the middle part of the two second cross bars, and sliding blocks are slidably connected to the outer parts of the two sliding rods, and the other end of the connecting rod is fixedly connected to the side wall of one of the sliding blocks, and the first scraper and the second scraper cooperate to move back and forth under the drive of the servo motor, and dust on the surface of the filter screen is cleaned during the movement, so as to facilitate heat dissipation by the cooling fan.

[0006] Preferably, the two side walls of the sliding block are fixedly connected to two sides of the second scraper respectively.

[0007] Preferably, a limit rod is installed in the middle of one of the first cross bars, and the limit rod is externally slidably connected to a limit block, and both sides of the first scraper are fixedly connected to the limit block and the side wall of the threaded block respectively, so as to facilitate the movement of the first scraper.

[0008] Preferably, a servo motor is installed at one end of one of the first cross bars, and an output end of the servo motor is fixedly connected to one end of the threaded rod to drive the two scrapers to move back and forth.

[0009] Preferably, a plurality of drive motors are installed inside the installation shell, and a plurality of output ends of the drive motors are installed with cooling fans for cooling the internal modules of the LED display screen.

[0010] Preferably, two mounting blocks are fixedly connected to both sides of the mounting shell, and fixing bolts are installed on the side walls of the plurality of mounting blocks.

[0011] Preferably, the side walls of the first scraper and the second scraper are both in contact with the side walls of the filter screen.

[0012] Preferably, a door is provided on the side wall of the installation shell, and blocks are installed on both sides of the filter screen, and the two blocks are fixedly connected to the inner wall of the installation shell.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model cooperates with two first cross bars and the second cross bar, and uses two sliding blocks to connect with the second scraper, and uses a threaded block and a limit block to connect with the first scraper, so that the first scraper and the second scraper can move back and forth under the drive of the threaded rod, and the scraper can clean the dust on the surface of the filter screen during the movement, thereby ensuring the heat dissipation effect of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of a heat dissipation structure for an LED display screen according to the utility model;

[0016] Figure 2 This is a rear view of a heat dissipation structure for an LED display screen according to the utility model;

[0017] Figure 3 This is a side sectional view of a heat dissipation structure for an LED display screen according to the utility model;

[0018] Figure 4 For this utility model Figure 3 The enlarged view of point A in the middle;

[0019] Figure 5 For this utility model Figure 3 Enlarged view of point B in the middle.

[0020] In the figure: 1. LED display screen body; 2. Mounting shell; 3. First cross bar; 4. First scraper; 5. Filter; 6. Mounting block; 7. Fixing bolt; 8. Servo motor; 9. Cooling fan; 10. Driving motor; 11. Connecting rod; 12. Second scraper; 13. Second cross bar; 14. Sliding block; 15. Sliding rod; 16. Threaded rod; 17. Threaded block. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0022] See also Figure 1 - Figure 5 A heat dissipation structure for an LED display screen comprises an LED display screen body 1, a mounting shell 2 is mounted on the back of the LED display screen body 1, a filter screen 5 is mounted on the side wall of the mounting shell 2, a first scraper 4 and a second scraper 12 are mounted on both sides of the filter screen 5, respectively, for simultaneously cleaning the dust on the surface of the filter screen 5, two first cross bars 3 are fixedly connected to the side wall of the mounting shell 2, wherein a threaded rod 16 is rotatably connected to the middle of the first cross bar 3, a threaded block 17 is threadedly connected to the outer portion of the threaded rod 16, a connecting rod 11 is fixedly connected to the side wall of the threaded block 17, for driving the first scraper 4 and the second scraper 12 to move, two second cross bars 13 are mounted inside the mounting shell 2, a sliding bar 15 is mounted in the middle of the two second cross bars 13, a sliding bar 14 is slidably connected to the outer portion of the two sliding bars 15, and the other end of the connecting rod 11 is fixedly connected to the side wall of one of the sliding bars 14.

[0023] like Figure 2 - Figure 4 As shown, the side walls of the two sliders 14 are fixedly connected to the two sides of the second scraper 12 respectively, a limit rod is installed in the middle of one of the first cross bars 3, and the limit block is slidably connected to the outside of the limit rod for connecting the first scraper 4, so that the first scraper 4 is connected to the threaded block 17 and the limit block, so as to facilitate movement, and the two sides of the first scraper 4 are fixedly connected to the limit block and the side wall of the threaded block 17 respectively, one end of the first cross bar 3 is installed with a servo motor 8, and the output end of the servo motor 8 is fixedly connected to one end of the threaded rod 16, a plurality of drive motors 10 are installed inside the mounting shell 2, and a plurality of drive motors 10 output ends are all installed with cooling fans 9 for cooling the internal modules of the LED display body 1, two mounting blocks 6 are fixedly connected on both sides of the mounting shell 2, and fixing bolts 7 are installed on the side walls of the plurality of mounting blocks 6, the side walls of the first scraper 4 and the second scraper 12 are both in contact with the side walls of the filter 5, and a box door is provided on the side wall of the mounting shell 2 to facilitate the removal of the filter 5 for replacement, and blocks are installed on both sides of the filter 5, and the two blocks are fixedly connected to the inner wall of the mounting shell 2.

[0024] When the utility model is in use, the mounting shell 2 is mounted on the back of the LED display screen body 1 by using the mounting block 6 and the fixing bolts 7, and a plurality of cooling fans 9 are mounted inside the mounting shell 2. The cooling fans 9 are driven to rotate by the driving motor 10 during the rotation process, so as to dissipate the heat of the LED display screen body 1. After a period of use, the threaded rod 16 is driven to rotate by the servo motor 8, and the second scraper 12 is connected by two sliders 14, and the first scraper 4 is connected by one side of the threaded block 17 and the side wall of the limit block, and the other side of the threaded block 17 is connected to the side wall of one of the sliders 14 by the connecting rod 11, so that the threaded block 17 drives the first scraper 4 and the second scraper 12 to move during the movement, so as to clean the dust on the surface of the filter screen 5, thereby ensuring the heat dissipation effect and preventing the internal module of the LED display screen body 1 from being damaged due to excessive heat.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A heat dissipation structure for an LED display screen, comprising an LED display screen body (1), characterized in that: A mounting shell (2) is installed on the back of the LED display screen body (1), a filter screen (5) is installed on the side wall of the mounting shell (2), a first scraper (4) and a second scraper (12) are installed on both sides of the filter screen (5), two first cross bars (3) are fixedly connected to the side wall of the mounting shell (2), wherein a threaded rod (16) is rotatably connected to the middle of the first cross bar (3), a threaded block (17) is threadedly connected to the outside of the threaded rod (16), and a connecting rod (11) is fixedly connected to the side wall of the threaded block (17), two second cross bars (13) are installed inside the mounting shell (2), a sliding rod (15) is installed in the middle of the two second cross bars (13), the two sliding rods (15) are slidably connected to the outside of the two sliding rods (15) with a slider (14), and the other end of the connecting rod (11) is fixedly connected to the side wall of one of the sliders (14).

2. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: The side walls of the two sliding blocks (14) are respectively fixedly connected to the two sides of the second scraper (12).

3. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: A limiting rod is installed in the middle of one of the first cross bars (3), the outside of the limiting rod is slidably connected to a limiting block, and the two sides of the first scraper (4) are respectively fixedly connected to the limiting block and the side wall of the threaded block (17).

4. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: A servo motor (8) is installed at one end of one of the first cross bars (3), and an output end of the servo motor (8) is fixedly connected to one end of a threaded rod (16).

5. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: A plurality of drive motors (10) are installed inside the installation shell (2), and a heat dissipation fan (9) is installed at the output ends of the plurality of drive motors (10).

6. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: Two mounting blocks (6) are fixedly connected to both sides of the mounting shell (2), and fixing bolts (7) are installed on the side walls of the plurality of mounting blocks (6).

7. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: The side walls of the first scraper (4) and the second scraper (12) are both in contact with the side walls of the filter screen (5).

8. The heat dissipation structure for an LED display screen according to claim 1, characterized in that: The side wall of the installation shell (2) is provided with a box door, and clamping blocks are installed on both sides of the filter screen (5), and the two clamping blocks are fixedly connected to the inner wall of the installation shell (2).

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