CN219120384U

CN219120384U - MiniLED display backlight module

Info

Publication number: CN219120384U
Application number: CN202320410021.5U
Authority: CN
Inventors: 谢培钦; 何原星; 唐均
Original assignee: Jiangxi Shengyu Technology Co ltd
Current assignee: Jiangxi Shengyu Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-06-02
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a MiniLED display backlight module, which comprises a mounting plate, wherein a transparent shell is fixedly arranged on the top surface of the mounting plate, an LED lamp body is arranged in the transparent shell, two chambers are arranged in the mounting plate, an exhaust fan and a heat dissipation fan are respectively arranged in the two chambers, ventilation holes are formed in the surfaces of the two chambers, dust screens are detachably arranged on the bottom surfaces of the two chambers, and dust cleaning brushes are arranged above the two dust screens. According to the utility model, after the abrasion of the ash removing brush is serious, the two limiting plates move in an arc shape by taking the two central rods as the circle centers and are contained in the two containing grooves, then the inserting rod is pressed downwards to enable the inserting rod to be moved out of the jack, at the moment, the ash removing brush is separated from the supporting plate, and can be detached for maintenance and replacement, otherwise, the operation is opposite, the ash removing effect and efficiency of the ash removing brush on the dust screen are ensured, the blocking probability of the dust screen is reduced, and the heat dissipation effect of the module is ensured.

Description

MiniLED display backlight module

Technical Field

The utility model relates to the technical field of backlight modules, in particular to a MiniLED display backlight module.

Background

The LED as a light-emitting element has the advantages of pure light color, softness, easy molding, small heat productivity, energy conservation, environmental protection, long service life and the like, and is widely applied to various fields, and the LED lamp needs to be installed when in use, so that the LED lamp needs to be utilized to a backlight module.

The prior art has the following problems:

after a large number of searches, the Chinese patent publication number: CN216202658U proposes an adjustable MINI LED lamp backlight unit, including the mounting panel, a plurality of LED lamp bodies are installed to the upper end of mounting panel, transparent casing is located the outside of a plurality of LED lamp bodies, the symmetry is provided with two wind chambeies in the mounting panel, two the fan is all installed to the wind intracavity, every the top space in wind chamber all communicates with transparent casing inner space through a plurality of holes, every the below space in wind chamber all communicates with the external world through two circular openings, every the filter screen is all installed to the bottom space of circular opening, clean shielding mechanism is installed to the lower extreme of mounting panel, and this patent carries out the initiative heat dissipation for a long time, so the flow of air also can let the more dust of filter screen surface adhesion, at this moment can start the motor and carry out the continuous rotation of a period of time, and in this period, the rectangle baffle can constantly rotate to let the filter screen of brushing of brush hair layer, clean the filter screen surface, need not manual cleaning, however in fact the filter screen layer can not change the time if wear and tear in time in the filter screen layer in fact in the past if the fact has the problem that the filter screen is difficult to change in time, if the clean in fact in time.

For this reason, we propose a MiniLED display backlight module to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a MiniLED display backlight module.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a MiniLED display backlight unit, includes the mounting panel, the top surface fixed mounting of mounting panel has transparent casing, and is provided with the LED lamp body in the transparent casing, be provided with two cavities in the mounting panel, and be provided with exhaust fan and radiator fan in two cavities respectively, two the bleeder vent has all been seted up on the surface of cavity, two the bottom surface of cavity all can be dismantled and install the dust screen, and the top of two dust screens all is provided with the ash removal brush, two motor one is all installed to the inside of cavity, and the backup pad is installed to the output of two motor one, the jack has been seted up on the surface of backup pad, and peg graft in the jack to the one end and the top surface fixed connection of ash removal brush of inserted bar, the holding tank has been seted up on the both sides surface of inserted bar, and the inner wall of holding tank is connected with the limiting plate through the center pole rotation, and is provided with the spring between limiting plate and the holding tank, the bottom surface fixed mounting of mounting panel has motor two, and motor two's output end install the closing plate, the outside of dust screen is located between mounting panel and the closing plate and bonds in the bottom surface at the mounting panel.

Preferably, a control panel is fixedly arranged on the surface of the mounting plate, and the control panel is electrically connected with the exhaust fan, the heat dissipation fan, the motor I and the motor II through wires.

Preferably, the length of the ash cleaning brush is larger than the diameter of the dust screen.

Preferably, the dustproof net is made of 304 stainless steel, and the diameter of the dustproof net is smaller than the width of the mounting plate.

Preferably, the diameter of the sealing ring is larger than that of the dust screen, and the sealing ring is made of rubber.

Preferably, the material of inserted bar is aluminum alloy, and the diameter of inserted bar is less than the diameter of jack.

Preferably, the volume of the limiting plate is smaller than the volume of the accommodating groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the mutual matching of the inserted link, the containing groove, the jack, the center rod, the limiting plates and the springs, after the ash cleaning brush is seriously worn, the two limiting plates move in an arc shape by taking the two center rods as the circle centers and are contained in the two containing grooves, then the inserted link is pressed downwards, so that the inserted link is moved out of the jack, at the moment, the ash cleaning brush is separated from the supporting plate, and the ash cleaning brush can be detached for maintenance and replacement, otherwise, the operation is opposite, the ash cleaning effect and efficiency of the ash cleaning brush on the dust screen are ensured, the blocking probability of the dust screen is reduced, and the heat dissipation effect of the module is ensured.

2. According to the utility model, the sealing ring is arranged, the motor II drives the sealing plate to rotate, so that the sealing plate is overlapped with the dust screen, the sealing performance between the sealing plate and the mounting plate can be improved by arranging the sealing ring, dust is prevented from entering the module from a gap between the sealing plate and the mounting plate, and the sealing effect is more ideal.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a MiniLED display backlight module according to the present utility model;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is a bottom view of the mounting plate, dust screen, seal ring and seal plate;

fig. 4 is a schematic structural view of the ash removing brush.

Legend description:

1. a mounting plate; 2. an LED lamp body; 3. a transparent housing; 4. an exhaust fan; 5. a heat dissipation fan; 6. ventilation holes; 7. a dust screen; 8. a first motor; 9. a support plate; 10. a dust removing brush; 11. a seal ring; 12. a second motor; 13. a sealing plate; 14. a jack; 15. a rod; 16. a receiving groove; 17. a central rod; 18. a limiting plate; 19. a spring; 20. and a control panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, a backlight module of a MiniLED display comprises a mounting plate 1, a transparent shell 3 is fixedly arranged on the top surface of the mounting plate 1, an LED lamp body 2 is arranged in the transparent shell 3, two chambers are arranged in the mounting plate 1, an exhaust fan 4 and a heat dissipation fan 5 are respectively arranged in the two chambers, ventilation holes 6 are respectively arranged on the surfaces of the two chambers, dust screens 7 are detachably arranged on the bottom surfaces of the two chambers, ash cleaning brushes 10 are respectively arranged above the two dust screens 7, a motor I8 is respectively arranged in the two chambers, a supporting plate 9 is arranged at the output end of the motor I8, a jack 14 is arranged on the surface of the supporting plate 9, an inserting rod 15 is inserted in the jack 14, one end of the inserting rod 15 is fixedly connected with the top surface of the ash cleaning brush 10, accommodating grooves 16 are respectively arranged on the two side surfaces of the inserting rod 15, the inner walls of the accommodating grooves 16 are rotatably connected with limiting plates 18 through center rods 17, the spring 19 is arranged between the limiting plates 18 and the containing groove 16, and it is to be noted that the improvement and innovation are carried out by taking CN216202658U as a matrix, the working principle is the same as that of CN216202658U, and the prior art is not described in detail herein, and see CN216202658U in detail, wherein after the ash cleaning brush 10 is worn seriously, the two limiting plates 18 move in an arc shape by taking the two central rods 17 as the centers of circles and are contained in the two containing grooves 16, then the inserting rod 15 is pressed downwards, so that the inserting rod 15 is moved out of the inserting hole 14, at the moment, the ash cleaning brush 10 is separated from the supporting plate 9, the ash cleaning brush 10 can be detached for maintenance and replacement, otherwise, the operation is opposite, the ash cleaning effect and efficiency of the ash cleaning brush 10 on the dust screen 7 are ensured, the blocking probability of the dust screen 7 is reduced, the heat dissipation effect of the module is ensured, the bottom surface of the mounting plate 1 is fixedly provided with the motor two 12, and sealing plate 13 is installed to the output of motor two 12, and the outside of dust screen 7 is located between mounting panel 1 and sealing plate 13 and is provided with sealing washer 11, and sealing washer 11 bonds in the bottom surface of mounting panel 1, and motor two 12 drive sealing plate 13 rotates, makes sealing plate 13 and dust screen 7 coincidence, and sealing washer 11's setting can increase the leakproofness between sealing plate 13 and the mounting panel 1 this moment, avoids the dust to get into in the module from the gap between sealing plate 13 and the mounting panel 1, and sealed effect is more ideal.

In this embodiment: the surface of the mounting plate 1 is fixedly provided with a control panel 20, and the control panel 20 is electrically connected with the exhaust fan 4, the heat dissipation fan 5, the motor I8 and the motor II 12 through wires.

Specifically, the common circuit connection structure is not described herein in detail.

In this embodiment: the length of the ash cleaning brush 10 is larger than the diameter of the dust screen 7.

Specifically, the dust removing effect and efficiency of the dust screen 7 are ensured.

In this embodiment: the dustproof net 7 is made of 304 stainless steel, and the diameter of the dustproof net 7 is smaller than the width of the mounting plate 1.

Specifically, the dust screen 7 is easily installed on the bottom surface of the mounting plate 1.

In this embodiment: the diameter of the sealing ring 11 is larger than that of the dust screen 7, and the sealing ring 11 is made of rubber.

Specifically, the sealing ring 11 is conveniently mounted on the outer side of the dust screen 7.

In this embodiment: the material of the inserted link 15 is aluminum alloy, and the diameter of the inserted link 15 is smaller than the diameter of the insertion hole 14.

Specifically, the self weight is reduced, and the self strength is ensured.

In this embodiment: the volume of the limiting plate 18 is smaller than the volume of the accommodating groove 16.

Specifically, the stopper plate 18 can be accommodated in the accommodation groove 16.

In this embodiment: the controller is the existing structure, and control circuit can be realized through the simple programming of the person skilled in the art, belongs to the common sense in the art, only uses it, does not reform transform, so control mode and circuit connection are not described in detail.

Working principle: when the dust removing brush is used, it is to be noted that improvement and innovation are carried out by taking CN216202658U as a matrix, the working principle is the same as that of CN216202658U, the dust removing brush is in the prior art, the detailed description is not carried out here, CN216202658U is seen in detail, after the dust removing brush 10 is worn seriously, the two limiting plates 18 move in an arc mode by taking the two central rods 17 as circle centers and are contained in the two containing grooves 16, then the inserting rod 15 is pressed downwards, so that the inserting rod 15 is moved out from the inserting hole 14, at the moment, the dust removing brush 10 is separated from the supporting plate 9, the dust removing brush 10 can be detached for maintenance and replacement, otherwise, the operation is opposite, the dust removing effect and efficiency of the dust removing brush 10 on the dust preventing net 7 are guaranteed, the probability of blocking the dust preventing net 7 is reduced, the heat radiating effect of the module is guaranteed, the second motor 12 drives the sealing plate 13 to rotate, the sealing plate 13 is overlapped with the dust preventing the gap between the sealing plate 13 and the mounting plate 1 from entering the module, and the sealing effect is more ideal.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The MiniLED display backlight module comprises a mounting plate (1), and is characterized in that the top surface of the mounting plate (1) is fixedly provided with a transparent shell (3), an LED lamp body (2) is arranged in the transparent shell (3), two chambers are arranged in the mounting plate (1), an exhaust fan (4) and a heat dissipation fan (5) are respectively arranged in the two chambers, air holes (6) are formed in the surfaces of the two chambers, dust-proof nets (7) are detachably arranged on the bottom surfaces of the two chambers, dust-proof brushes (10) are arranged above the two dust-proof nets (7), a motor I (8) is arranged in the interior of the two chambers, a supporting plate (9) is arranged at the output end of the motor I (8), a jack (14) is formed in the surface of the supporting plate (9), an inserting rod (15) is inserted into the jack (14), one end of the inserting rod (15) is fixedly connected with the top surface of the dust-proof brush (10), containing grooves (16) are formed in the surfaces of the two sides of the inserting rod (15), dust-proof nets (16) are detachably arranged on the inner walls (16), a limiting plate (18) is fixedly connected with the bottom surface of the motor I (18) through the inner wall (17), a limiting plate (18) is fixedly arranged between the motor I and the motor I (8), and sealing plate (13) is installed to the output of motor two (12), the outside of dust screen (7) is located and is provided with sealing washer (11) between mounting panel (1) and sealing plate (13), and sealing washer (11) bond in the bottom surface of mounting panel (1).

2. The backlight module of the MiniLED display device according to claim 1, wherein a control panel (20) is fixedly installed on the surface of the mounting plate (1), and the control panel (20) is electrically connected with the exhaust fan (4), the heat dissipation fan (5), the motor one (8) and the motor two (12) through wires.

3. The MiniLED display backlight module according to claim 1, wherein the length of the ash cleaning brush (10) is larger than the diameter of the dust screen (7).

4. The backlight module of the MiniLED display device according to claim 1, wherein the dustproof net (7) is made of 304 stainless steel, and the diameter of the dustproof net (7) is smaller than the width of the mounting plate (1).

5. The backlight module of the MiniLED display device according to claim 1, wherein the diameter of the sealing ring (11) is larger than that of the dust screen (7), and the sealing ring (11) is made of rubber.

6. The backlight module of claim 1, wherein the plug rod (15) is made of aluminum alloy, and the diameter of the plug rod (15) is smaller than the diameter of the jack (14).

7. A MiniLED display backlight module according to claim 1, characterised in that the volume of the limiting plate (18) is smaller than the volume of the receiving groove (16).