CN210808029U - A cooling device for LED display - Google Patents

Abstract

This utility model discloses a heat dissipation device for an LED display screen, belonging to the field of LED display screen technology. It includes a display screen body and a frame, with a mounting box mounted on the frame. The display screen body is installed inside the mounting box, and a cover plate is hinged to one side of the mounting box. The cover plate has several heat dissipation vents. A heat dissipation mechanism is installed inside the mounting box, including heat-conducting pipes and an exhaust fan. The heat-conducting pipes include a heat-conducting cover near the display screen body, a sleeve connected to the heat-conducting cover, and an exhaust pipe connected to the sleeve. A motor is installed inside the exhaust pipe, and the exhaust fan is mounted on the motor's output shaft. This utility model's heat dissipation device for an LED display screen helps improve the heat dissipation effect of the LED display screen and facilitates the disassembly and installation of various components.

Description

A cooling device for LED display

technical field

The utility model relates to the technical field of LED display screens, in particular to a heat dissipation device for an LED display screen.

Background technique

LED display refers to an electronic product that displays text, images, video and video signals by controlling the display mode of semiconductor light-emitting diodes. It is generally used in people's life and work, and has the characteristics of durability, convenience, and easy operation.

Because the outdoor LED display exists outdoors, but the outdoor environment is extremely complex, and the high temperature greatly affects the long-term continuous operation of the outdoor LED display, resulting in the outdoor display being unable to continue to be effective for a long time due to excessive temperature. disseminate information.

In view of the above problems, the utility model Chinese patent with the publication number of CN208796591U introduces a heat dissipation device for an outdoor LED display screen. There is an LED display screen, a rectangular box and a water tank are fixedly installed on the other side of the box body, the water tank is located below the rectangular box, the box body and the rectangular box are both provided with first through holes, two The center lines of the first through holes are coincident, the inner wall of the first through hole is rotatably connected with a circular tube, the two ends of the circular tube extend into the box and the rectangular box respectively, and the inner wall of the circular tube is fixed on the inner wall. A heat-conducting rod is installed, and both ends of the heat-conducting rod extend into the box and the rectangular box, respectively, and a second bevel gear is fixedly sleeved on the outer wall of the circular tube, and the second bevel gear is located in the rectangular box, so A plurality of symmetrically arranged first radiating fins and a plurality of symmetrically arranged second radiating fins are respectively fixed on the outer wall of the heat-conducting rod, and the first and second radiating fins are located in the box body and the rectangular box, respectively, The top side of the rectangular box is provided with a second through hole, the top of the rectangular box is fixedly installed with a driving motor, the output shaft of the driving motor is welded with a rotating shaft, and the bottom end of the rotating shaft penetrates the second through hole and extends into the rectangular box, the bottom of the rotating shaft is welded with a first bevel gear, the first bevel gear meshes with the second bevel gear, the top inner wall and the bottom inner wall of the rectangular box are fixedly installed with spray A plurality of spray heads are fixedly installed on the spray box, the spray heads communicate with the spray box, a water pump is fixedly installed on the top of the water tank, and a liquid inlet pipe is threadedly connected to the liquid inlet of the water pump, so the The bottom end of the liquid inlet pipe penetrates the water tank and extends into the water tank, the liquid outlet of the water pump is threadedly connected with a liquid outlet pipe, and one end of the liquid outlet pipe penetrates the rectangular box and extends into the rectangular box, and two sprays The shower box is connected with the liquid outlet pipe.

The solution solves the problem that the LED display screen is easily damaged due to long-term operation, and at the same time, the utility model provides a new technical solution to solve the above problem.

Utility model content

The purpose of the utility model is to solve the problems in the prior art, and proposes a heat dissipation device for an LED display screen, which reduces the heat generated by the LED display screen during operation.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A cooling device for an LED display screen, comprising a display screen body and a rack, a mounting box is arranged on the rack, the display screen body is mounted in the mounting box, and a cover plate is hinged on one side of the mounting box, The cover plate is provided with a number of heat dissipation ports, and the installation box is provided with a heat dissipation mechanism. The heat dissipation mechanism includes a heat conduction pipe and an exhaust fan. The casing is covered and an exhaust pipe connected to the casing is provided, the exhaust pipe is provided with a motor, and the exhaust fan is installed on the output shaft of the motor.

By adopting the above technical solution, when the display screen body is running, heat will be generated, and by starting the heat dissipation mechanism, the heat energy on the display screen body can be dissipated from the plurality of heat energy on the cover plate along the heat conduction cover, the casing and the exhaust pipe in turn through the exhaust fan. The outlet is discharged out of the installation box, thereby reducing the temperature on the display body, ensuring that the LED display can work continuously, preventing the internal components of the LED display from being damaged due to excessive temperature, and extending the service life of the LED display.

The utility model is further provided that: the heat-conducting cover has a funnel-shaped structure, and the diameter of the heat-conducting cover on the side close to the display screen body is larger than the diameter of the heat-conducting cover on the side close to the sleeve.

By adopting the above technical solution, when the heat conducting cover is close to the display screen body, the display screen body can be covered, so that the heat generated during the operation of the LED display screen can move directly in the heat conducting cover, thereby further improving the heat dissipation performance.

The utility model is further configured as follows: a dust-proof net is disassembled and connected on the cover plate and corresponding to the heat dissipation port, an installation frame is arranged on the cover plate, and a slide rail 1 is opened on the installation frame, and the dust-proof net is arranged on the cover plate. Both ends of the slide rail are provided with bumps that are slidably connected to the first slide rail, and the first slide rail includes a placement portion abutting against the bumps.

By adopting the above technical solution, the dustproof net is arranged corresponding to the heat dissipation port, which can reduce the direct entry of dust into the installation box from the heat dissipation port, and the dustproof net realizes the sliding of the dustproof net through the bump and the slide rail on the installation frame, and The placing portion on the mounting frame enables the sliding dustproof net to be parked on the placing portion, so that the position of the dustproof net is fixed, so that the dustproof net is detachably connected to the mounting frame for easy replacement.

The utility model is further configured as follows: a temperature sensor is arranged in the installation box, and the temperature sensor is electrically connected with the motor.

By adopting the above technical solution, when the temperature in the installation box reaches the temperature value set by the temperature sensor, the temperature sensor transmits a signal to the motor, which makes the motor work and realizes the start of the exhaust fan, and the temperature sensor senses that the temperature in the installation box is low. At the set temperature value, the temperature sensor sends a signal to the motor, which makes the motor stop working and realizes the closing of the exhaust fan.

The utility model is further configured as follows: the heat-conducting cover and the inner wall of the installation box are connected through the first clamping component, and the heat-conducting cover and the sleeve and between the sleeve and the exhaust pipe are all connected through the second clamping component.

By adopting the above technical solution, the heat-conducting cover and the inner wall of the installation box are connected through the first clamping component, and the heat-conducting cover and the sleeve, and between the sleeve and the exhaust pipe are all connected through the second clamping component, so that the When the cooling mechanism is installed or repaired, it is convenient to disassemble or install it.

The utility model is further configured as follows: the first clamping assembly includes a second sliding rail arranged on the inner wall of the installation box and a connecting plate connected to the heat conduction cover, and the connecting plate is provided with a connecting block slidably connected with the second sliding rail.

By adopting the above technical solution, when installing the heat conduction cover, the connecting block on the connecting plate is slid in through the introduction port on the second slide rail, and abuts in the slide rail, so as to realize the installation of the heat conduction cover.

The utility model is further configured as follows: a rubber pad 1 is fixedly connected to the inner side wall of the second sliding rail, a gap 1 is provided on the side of the rubber pad 1 close to the introduction port of the sliding rail 2, and the diameter of the notch 1 is larger than that of the rubber pad 1. The caliber of one end of the pad.

By adopting the above technical solution, the rubber pad 1 fixed on the inner side wall of the slide rail 2 is used to increase the friction force between the slide rail 2 and the connecting block, and the fixing effect of the connecting block in the sliding rail 2 is improved. A gap 1 opened on the rubber pad 1 facilitates the connecting block to enter into the channel formed by the rubber pad 1.

The utility model is further configured as follows: the second clamping component includes at least three clamping pieces and a clamping block which is matched and connected with the clamping pieces, and the clamping block includes a clamping slot matched with the clamping pieces, so The clip-connector has an arc-shaped structure.

By adopting the above technical solution, three clamping pieces are distributed at equal distances in the circumferential direction of the exhaust pipe and the casing, and the three clamping blocks are distributed in the same way as the three clamping pieces, and the heat conduction pipe and the casing are There are three clamping blocks, and the clamping piece can be clamped in the clamping slot by rotating the sleeve to realize the installation of the sleeve. Similarly, the exhaust pipe can also be installed through the above operation.

The utility model is further configured as follows: a second rubber pad is fixed on the inner side wall of the card slot, a second gap is provided on the side of the second rubber pad away from the bottom end of the card slot, and the diameter of the second gap is larger than the two ends of the rubber pad caliber.

By adopting the above technical solution, the second rubber pad fixed on the inner side wall of the card slot is used to increase the friction force between the card slot and the card connector, so as to improve the fixing effect of the card connector in the card slot. The notch 2 opened on the second pad is convenient for the clamping piece to enter into the channel formed by the second rubber pad.

To sum up, the utility model has the following beneficial effects:

A heat dissipation mechanism is installed in the installation box, so that the heat generated by the LED display screen is discharged out of the installation box through the exhaust fan along the heat conduction cover, the sleeve and the exhaust pipe in turn from the multiple heat dissipation ports on the cover plate, thereby reducing the display body. To avoid damage to the internal components of the LED display due to excessive temperature, prolong the service life of the LED display, and through the clip-on component 1 between the heat-conducting cover and the inner wall of the installation box, and between the heat-conducting cover and the sleeve, the sleeve The second clamping assembly between the pipe and the exhaust pipe is connected to facilitate the installation or disassembly of the pipe by the staff.

Description of drawings

1 is a schematic structural diagram of a heat dissipation device for an LED display screen proposed by the utility model;

Fig. 2 is the structural schematic diagram of the connection between the casing and the exhaust pipe of the present invention;

Fig. 3 is the structural schematic diagram of the connecting block on the sleeve of the utility model;

Fig. 4 is the enlarged view of A place in Fig. 1;

FIG. 5 is an enlarged view of B in FIG. 1 .

In the figure: 1. Display body; 2. Rack; 3. Installation box; 4. Cover plate; 5. Notch 2; , exhaust pipe; 8, exhaust fan; 9, motor; 10, dustproof net; 11, mounting frame; 12, bump; 13, slide rail one; 14, placement part; 15, temperature sensor; 16, rubber pad two ; 17. Snap component 1; 171, slide rail 2; 172, connecting plate; 18, connecting block; 19, rubber pad 1; 20, notch 1; 21, Snap component 2; Snap block; 213. Card slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the terms "upper" and "lower" , "front", "rear", "left", "right", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings , only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. Obviously, The described embodiments are only some, but not all, embodiments of the present invention.

A cooling device for an LED display screen, as shown in FIG. 1 , includes a display screen body 1 and a rack 2, a mounting box 3 is fixedly installed on the rack 2, and the display screen body 1 is placed in the mounting box 3, and the mounting box 1 passes through the mounting box. One side of 3 is hinged with a cover plate 4, which is convenient for opening the installation box 3 to repair or replace the parts in the installation box 3, and a number of heat dissipation ports 6 are opened on the cover plate 4, and a heat dissipation mechanism is arranged in the installation box 3 , wherein, the heat dissipation mechanism includes a heat conduction pipe 7 and an exhaust fan 8. The heat conduction pipe 7 is composed of a heat conduction cover 71, a sleeve 72 and an exhaust pipe 73. A motor 9 is fixed in the exhaust pipe 73 through a bracket, and the exhaust fan 8 is installed. On the output shaft of the motor 9, by starting the motor 9, the exhaust fan 8 is rotated, so that the heat energy generated by the operation of the display screen body 1 is followed by the heat transfer cover 71, the sleeve 72 and the exhaust pipe 73. The heat dissipation port 6 is discharged out of the installation box 3, thereby reducing the temperature on the display body 1, ensuring the continuous operation of the LED display, preventing the internal components of the LED display from being damaged due to excessive temperature, and prolonging the service life of the LED display. The heat-conducting cover 71 has a funnel-shaped structure, wherein the diameter of the heat-conducting cover 71 on the side close to the display screen body 1 is larger than the diameter on the side of the heat-conducting cover 71 near the sleeve 72 , so that the edge of the heat-conducting cover 71 can correspond to the diameter of the display screen body 1 . The edge of the heat conduction cover 71 covers the display screen body 1, which helps the heat generated by the LED display screen to move directly in the heat conduction cover 71, which can further improve the heat dissipation effect. The sensor 15, its model is DS18B20, and the temperature sensor 15 is electrically connected with the motor 9. When the temperature in the installation box 3 reaches the temperature value set by the temperature sensor 15, the temperature sensor 15 transmits a signal to the motor 9, so that the motor 9 works to realize the start of the exhaust fan 8. When the temperature sensor 15 senses that the temperature in the installation box 3 is lower than the set temperature value, the temperature sensor 15 transmits a signal to the motor 9, so that the motor 9 stops working and realizes the exhaust fan 8. The exhaust fan 8 can be opened and closed by the temperature sensor 15 .

Referring to FIG. 2 to FIG. 5 , between the heat-conducting cover 71 and the inner wall of the installation box 3 is a snap-on assembly 17 connecting the two to each other, wherein the snap-on assembly 1 17 includes a second slide rail 171 and a connecting plate 172 And the connecting block 18, the second sliding rail 171 is installed on the inner wall of the installation box 3, the connecting plate 172 is vertically installed on the heat-conducting cover 71 and is connected with the second sliding rail 171, and the connecting block 18 is installed on the connecting plate 172 and can be clamped In the sliding rail 2 171, the sliding rail 2 171 includes a sliding cavity opened in the horizontal length direction and slidably connected with the connecting plate 172 and a clamping cavity matched with the connecting block 18. The connecting block 18 on the connecting plate 172 passes through The introduction port on the second slide rail 171 is slid in and clamped in the second slide rail 171, so as to realize the installation of the heat conduction cover 71. Similarly, the staff can push the connecting plate 172 to remove the connecting block 18 from the second slide rail 171. disengaged, so as to realize the disassembly of the heat conducting cover 71. At the same time, a rubber pad 19 is fixed on the inner side wall of the slide rail 2 171. When the connecting block 18 is in contact with the rubber pad 1 19, the friction force between the two can be increased. Make the connecting block 18 more stable in the slide rail two 171, and a gap one 20 is provided on the rubber pad one 19 near the introduction port of the slide rail two 171, and the side of the gap one 20 is inclined to make the gap one 20. The diameter is larger than the diameter of the end of the rubber pad 1 19, which is convenient to put the connecting block 18 into the channel formed by the rubber pad 1 19. By first squeezing the rubber pad 19 at the notch 1 20, and then pushing the connecting plate 172 to make the connecting block 18 It is firmly clamped in the second slide rail 171 .

The connection between the heat conducting cover 71 and the sleeve 72 and between the sleeve 72 and the exhaust pipe 73 is connected by the second clamping assembly 21 , wherein the second clamping assembly 21 includes at least three clamping parts 211 and a clamping connection The snap-on block 212 that is connected with the fitting 211, there are three snap-fit pieces 211 on the side of the sleeve 72 close to the heat-conducting cover 71 and distributed equidistantly along the circumferential direction. On one side of the sleeve 72 and equidistantly distributed along the circumferential direction, there are three clamping blocks 212 that are engaged with the clamping pieces 211 . A matching groove is formed between the two clamping blocks 212 into which the clamping pieces 211 are placed vertically. The operator first puts the three clamping pieces 211 on the sleeve 72 vertically into the matching grooves, and then rotates the sleeve 72 so that the The clip 211 moves into the clip slot 213 , and the rubber pad 2 16 is fixed on the inner side wall of the clip slot 213 , thereby increasing the friction between the clip slot 213 and the clip 211 , so that the clip 211 is firm The rubber pad 216 is clamped in the card slot 213, and avoids the multiple friction between the clip 211 and the inner wall of the card slot 213 to lose the clamping effect. , one side of the second notch 5 is inclined and arranged, so that the diameter of the second notch 5 is larger than the diameter of the end of the second rubber pad 16, so that it is convenient to put the clip 211 into the channel formed by the second rubber pad 16, and squeeze first when rotating. The rubber pad 2 16 at the notch 2 5, and then turn the sleeve 72 again to make the clamping piece 211 firmly clamp in the clamping groove 213. Similarly, the sleeve 72 is close to the side of the exhaust pipe 73 and along the circumferential direction, etc. There are three clamping blocks 212 distributed at a distance, and the side of the exhaust duct 73 close to the sleeve 72 is provided with three clamping pieces 211 that are clamped by the clamping grooves 213 in the clamping blocks 212. Similarly, two adjacent ones are located at this position. A matching groove is formed between the clamping blocks 212 into which the clamping pieces 211 are placed vertically. Through the same operation as described above, the three clamping pieces 211 on the exhaust duct 73 are vertically placed into the matching grooves, and then rotated to exhaust the air. pipe 73, so that the clip 211 moves into the clip slot 213, and at the same time, the rubber pad 2 16 is fixed on the inner side wall of the clip slot 213 at this position, thereby increasing the friction between the clip slot 213 and the clip 211, The exhaust pipe 73 can be firmly clamped in the casing 72, wherein the length of the exhaust pipe 73 is less than the length of the casing 72, so as to avoid the exhaust fan 8 being directly installed in the casing 72, which will cause the cumbersome cleaning. The above operation method is convenient for the staff to install or remove it.

Referring to FIG. 1 and FIG. 4 , a dust filter 10 is detached and connected on the cover plate 4 and corresponding to the heat dissipation port 6 , which can reduce dust from directly entering the installation box 3 from the heat dissipation port 6 . Among them, on the cover plate 4 A mounting frame 11 is provided, and then a sliding rail 1 13 is opened on the mounting frame 11, and bumps 12 slidably connected to the sliding rail 13 are provided at both ends of the dustproof net 10, wherein the sliding rail 1 13 includes and For the placement portion 14 where the bump 12 abuts, the worker first moves the bump 12 upward along the direction of the slide rail 1 13 , and then reaches the placement portion 14 at the upper end of the mounting frame 11 , so that the bump 12 is parked on the placement portion 14 The position of the dustproof net 10 is fixed, so that the dustproof net 10 can be detachably connected to the mounting frame 11 for easy replacement.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. The utility model provides a heat abstractor of LED display screen, includes the display screen body (1) and frame (2), its characterized in that: be provided with install bin (3) on frame (2), install in install bin (3) display screen body (1), one side of install bin (3) articulates there is apron (4), a plurality of thermovent (6) have been seted up on apron (4), be provided with heat dissipation mechanism in install bin (3), heat dissipation mechanism includes heat pipe (7) and exhaust fan (8), heat pipe (7) are including heat conduction cover (71), sleeve pipe (72) of connection on heat conduction cover (71) and exhaust pipe (73) of connection on sleeve pipe (72) that are close to display screen body (1) one side, be provided with motor (9) in exhaust pipe (73), exhaust fan (8) are installed on the output shaft of motor (9).

2. The heat dissipation device of an LED display screen according to claim 1, wherein: the heat conduction cover (71) is funnel-shaped, and the caliber of one side, close to the display screen body (1), of the heat conduction cover (71) is larger than the caliber of one side, close to the sleeve (72), of the heat conduction cover (71).

3. The heat dissipation device of an LED display screen according to claim 1, wherein: the novel dustproof cover is characterized in that the dustproof net (10) is detachably connected to the position, corresponding to the heat dissipation port (6), of the cover plate (4), a mounting frame (11) is arranged on the cover plate (4), a first sliding rail (13) is arranged on the mounting frame (11), protruding blocks (12) which are connected with the first sliding rail (13) in a sliding mode are arranged at two ends of the dustproof net (10), and the first sliding rail (13) comprises a placing portion (14) which is abutted to the protruding blocks (12).

4. The heat dissipation device of an LED display screen according to claim 1, wherein: a temperature sensor (15) is arranged in the installation box (3), and the temperature sensor (15) is electrically connected with the motor (9).

5. The heat dissipation device of an LED display screen according to claim 1, wherein: heat conduction cover (71) are connected through joint subassembly (17) with install bin (3) inner wall, all be connected through joint subassembly two (21) between heat conduction cover (71) and sleeve pipe (72), between sleeve pipe (72) and exhaust pipe (73).

6. The heat dissipation device of an LED display screen according to claim 5, wherein: the first clamping assembly (17) comprises a second sliding rail (171) arranged on the inner wall of the installation box (3) and a connecting plate (172) connected to the heat conduction cover (71), and a connecting block (18) connected with the second sliding rail (171) in a sliding mode is arranged on the connecting plate (172).

7. The heat dissipation device of an LED display screen according to claim 6, wherein: a first rubber pad (19) is fixedly connected to the inner side wall of the second sliding rail (171), a first notch (20) is formed in one side, close to the leading-in opening of the second sliding rail (171), of the first rubber pad (19), and the caliber of the first notch (20) is larger than that of the tail end of the first rubber pad (19).

8. The heat dissipation device of an LED display screen according to claim 5, wherein: joint subassembly two (21) include at least three joint spare (211), with joint piece (211) cooperation joint piece (212) of being connected, joint piece (212) include with draw-in groove (213) of joint spare (211) looks adaptation, joint spare (211) are the arc structure.

9. The heat dissipation device of an LED display screen according to claim 8, wherein: rubber pad II (16) is fixedly connected to the inner side wall of the clamping groove (213), a notch II (5) is arranged on one side, deviating from the bottom end of the clamping groove (213), of the rubber pad II (16), and the caliber of the notch II (5) is larger than that of the tail end of the rubber pad II (16).

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