CN217655398U

CN217655398U - LED backlight convenient to heat dissipation

Info

Publication number: CN217655398U
Application number: CN202221196943.2U
Authority: CN
Inventors: 孔令军; 张涛
Original assignee: Xingguo Huichen Technology Co ltd
Current assignee: Xingguo Huichen Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-25
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a LED backlight convenient to heat dissipation relates to backlight technical field, including gluing the frame base, the top of gluing the frame base is provided with glues the frame top cap, and the one side of gluing the frame top cap is provided with the dust screen, glue one side on frame top cap top and seted up two recesses, and glue one side on the inside top of frame top cap and install the baffle, a plurality of through-holes have been seted up to the inside of baffle, and one side of baffle is provided with backlight unit. The utility model discloses a reflection direction of reflector makes the light source can directly penetrate the through-hole and jet into backlight unit, for the fan creates installation space to drive the air at device inner loop with the help of the fan, take the heat from the dust screen from the device, can help backlight unit to dispel the heat through the through-hole, thereby can help quick heat dissipation, reduce backlight unit inner assembly's ageing rate, can prolong the life of device.

Description

LED backlight convenient to heat dissipation

Technical Field

The utility model relates to a backlight technical field specifically is a LED backlight convenient to heat dissipation.

Background

An LED backlight is a device for providing a light source for an LCD to help the LCD to display images, and has two types, namely an edge-type backlight and a direct-type backlight, which are commonly used in modern society, but because backlight modules are generally laminated, and there is no extra space inside the backlight, after the device works for a long time, internal heat is difficult to dissipate in time, which easily causes aging of related components, reduces the service life of the device, and meanwhile, components of the device cannot be disassembled quickly, which is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED backlight convenient to heat dissipation to the unable quick heat dissipation that proposes in solving above-mentioned background art causes the subassembly ageing easily, and can't carry out the problem of maintaining fast and changing to the subassembly of damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED backlight convenient to heat dissipation, is including gluing the frame base, the top of gluing the frame base is provided with glues the frame top cap, and glues one side of frame top cap and be provided with the dust screen, glue one side on frame top cap top and seted up two recesses, and glue one side on the inside top of frame top cap and install the baffle, a plurality of through-holes have been seted up to the inside of baffle, and one side of baffle is provided with backlight unit, glue one side on the inside top of frame top cap and install fixed box, the inside of gluing frame base bottom one side is provided with the fly leaf, and the top of fly leaf installs the mounting panel, the top of mounting panel extends to the inside of fixed box, and both ends have all seted up the slot around the inside mounting panel of fixed box, the internally mounted of recess has the carriage release lever, and the bottom of carriage release lever extends to both ends around the fixed box, the inserted block is all installed to one side of carriage release lever, and the one end of inserted block all extends to the inside of slot, the extension spring is all installed to the outer wall of inserted block, the fan is installed to one side of mounting panel, and a plurality of light source lamps are installed to the opposite side of mounting panel, and the opposite side of mounting panel installs, the outside of light source lamp shade all is provided with the lamp shade, and one side of lamp shade is connected with one side of mounting panel.

Preferably, one end of the tension spring is connected with one side of the movable rod, and the other end of the tension spring is connected with one end of the fixed box.

Preferably, the inner wall of the lampshade is provided with a reflector, and the reflector is bowl-shaped.

Preferably, the light source lamps are distributed at equal intervals on one side of the mounting plate, and the centers of the light source lamps and the through holes are on the same horizontal line.

Preferably, the shapes of the insertion block and the slot are both cylindrical, and the diameters of the insertion block and the slot are the same.

Preferably, a plurality of connecting blocks are all installed to the outer wall of gluing frame base and gluing frame top cap, and are connected through the bolt between two connecting blocks.

Preferably, the guide slot has all been seted up to the inside both sides of recess, the guide block is all installed to the both sides of carriage release lever, and constitutes sliding connection between the carriage release lever passes through sliding fit between guide block and the guide slot and the recess.

Preferably, the backlight assembly includes a light reflecting sheet, a first diffusion sheet, a light guide sheet, a second diffusion sheet, a first prism sheet and a second prism sheet, the light reflecting sheet is disposed on one side of the partition plate, the light guide sheet is mounted on the top of the light reflecting sheet, the first diffusion sheet is disposed on the top of the light guide sheet, the second prism sheet is disposed on the top of the first diffusion sheet, the first prism sheet is disposed on the top of the second prism sheet, and the second diffusion sheet is disposed on the top of the first prism sheet.

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

1. the light source lamp emits light, the light can directly penetrate through the through hole to enter the backlight assembly through the reflection guide of the reflector, a part of space can be reserved in the device while the device can work normally, the fan drives air to circulate in the device, and therefore heat is taken away from the device from the dustproof net, the backlight assembly can be helped to dissipate heat through the through hole, quick heat dissipation can be helped, the aging rate of the components in the backlight assembly is reduced, and the service life of the device can be prolonged;

2. stretch into the inside carriage release lever that stirs of recess with the hand for the carriage release lever is beaten the inserted block and is overcome the extension spring and pull out it from the slot is inside, makes its removal that no longer can restrict the mounting panel, can take the mounting panel out from the fixed box inside through removing the fly leaf, thereby takes off fly leaf and mounting panel, conveniently overhauls light source lamp and fan, and is very convenient.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of the structure of the present invention in a partial side view;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 1 of the present invention.

In the figure: 1. a dust screen; 2. a movable plate; 3. a backlight assembly; 31. a light-reflecting sheet; 32. a first diffusion sheet; 33. a light guide sheet; 34. a second diffusion sheet; 35. a first prism sheet; 36. a second prism sheet; 4. a rubber frame base; 5. connecting blocks; 6. a rubber frame top cover; 7. a travel bar; 8. a groove; 9. inserting a block; 10. a slot; 11. a fixing box; 12. a tension spring; 13. a through hole; 14. a light source lamp; 15. a lamp shade; 16. mounting a plate; 17. a fan; 18. a partition plate; 19. a reflector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b): referring to fig. 1-5, an LED backlight source convenient for heat dissipation includes a rubber frame base 4, a rubber frame top cover 6 is disposed on a top end of the rubber frame base 4, a dust screen 1 is disposed on one side of the rubber frame top cover 6, two grooves 8 are disposed on one side of the top end of the rubber frame top cover 6, a partition plate 18 is mounted on one side of the top end inside the rubber frame top cover 6, a plurality of through holes 13 are disposed inside the partition plate 18, and a backlight assembly 3 is disposed on one side of the partition plate 18;

the backlight assembly 3 comprises a light reflecting sheet 31, a first diffusion sheet 32, a light guide sheet 33, a second diffusion sheet 34, a first prism sheet 35 and a second prism sheet 36, wherein the light reflecting sheet 31 is arranged at one side of the partition plate 18, the light guide sheet 33 is arranged at the top of the light reflecting sheet 31, the first diffusion sheet 32 is arranged at the top end of the light guide sheet 33, the second prism sheet 36 is arranged at the top end of the first diffusion sheet 32, the first prism sheet 35 is arranged at the top end of the second prism sheet 36, and the second diffusion sheet 34 is arranged at the top end of the first prism sheet 35;

a fixed box 11 is installed on one side of the top end inside a rubber frame top cover 6, a movable plate 2 is arranged inside one side of the bottom end of a rubber frame base 4, an installation plate 16 is installed on the top end of the movable plate 2, the top end of the installation plate 16 extends into the fixed box 11, slots 10 are formed in the front end and the rear end of the installation plate 16 inside the fixed box 11, a moving rod 7 is installed inside a groove 8, the bottom end of the moving rod 7 extends to the front end and the rear end of the fixed box 11, an insertion block 9 is installed on one side of the moving rod 7, one end of the insertion block 9 extends into the slots 10, and a tension spring 12 is installed on the outer wall of the insertion block 9;

one end of a tension spring 12 is connected with one side of the movable rod 7, and the other end of the tension spring 12 is connected with one end of the fixed box 11;

the shapes of the insertion block 9 and the slot 10 are both cylindrical, and the diameters of the insertion block 9 and the slot 10 are the same;

the outer walls of the rubber frame base 4 and the rubber frame top cover 6 are both provided with a plurality of connecting blocks 5, and the two connecting blocks 5 are connected through bolts;

guide grooves are formed in two sides of the inner part of the groove 8, guide blocks are arranged on two sides of the moving rod 7, and the moving rod 7 is in sliding connection with the groove 8 through sliding fit between the guide blocks and the guide grooves;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, stretch into the inside of recess 8 with the hand and stir carriage release lever 7, make carriage release lever 7 beat inserted block 9 overcome extension spring 12 with it from the inside pull-out of slot 10, make it no longer can restrict the removal of mounting panel 16, can be through removing movable plate 2 with mounting panel 16 from the inside extraction of fixed box 11, thereby take off movable plate 2 and mounting panel 16, conveniently overhaul light source lamp 14 and fan 17, it is very convenient, if backlight unit 3 appears damaging, can be through canceling the bolted connection between connecting block 5, it can with the separation of gluey frame base 4 and gluey frame top cap 6.

A fan 17 is installed on one side of the installation plate 16, a plurality of light source lamps 14 are installed on the other side of the installation plate 16, lamp shades 15 are arranged on the outer sides of the light source lamps 14, and one sides of the lamp shades 15 are connected with one side of the installation plate 16;

the inner wall of the lampshade 15 is provided with a reflector 19, and the reflector 19 is bowl-shaped;

the light source lamps 14 are distributed at equal intervals on one side of the mounting plate 16, and the centers of the light source lamps 14 and the through holes 13 are positioned on the same horizontal line;

specifically, as shown in fig. 1, fig. 3 and fig. 5, the light source lamp 14 emits light, the light is guided by the reflection of the reflector 19 and directly penetrates through the through hole 13 to enter the backlight assembly 3, the device can work normally, and meanwhile, a part of space can be reserved inside the device, the fan 17 drives air to circulate inside the device, so that the heat is taken away from the device from the dust screen 1, the backlight assembly 3 can be assisted to dissipate the heat through the through hole 13, rapid heat dissipation can be assisted, the aging rate of the internal components of the backlight assembly 3 can be reduced, and the service life of the device can be prolonged.

The working principle is as follows: when the device is used, firstly, the device is installed and the power supply is switched on, the light source lamp 14 emits light, the light is guided by the reflection of the reflecting cover 19 and can directly penetrate through the through hole 13 to enter the light guide sheet 33, and then the light is uniformly distributed on the surface of the light guide sheet 33, and the light is uniformly emitted from the opening at the top of the rubber frame top cover 6 through the matching of the reflecting sheet 31, the first diffusion sheet 32, the light guide sheet 33, the second diffusion sheet 34 and the first prism sheet 35;

when the device is used, the fan 17 can be started to drive air to circulate in the device, so that heat is taken away from the device from the dustproof net 1, the backlight assembly 3 can be helped to dissipate heat through the through holes 13, quick heat dissipation can be helped on the premise of not influencing the work of the device, the aging rate of components in the backlight assembly 3 is reduced, and the service life of the device can be prolonged;

if light source lamp 14 or fan 17 have trouble, can stretch into the inside carriage release lever 7 that stirs of recess 8 with the hand, make carriage release lever 7 beat inserted block 9 overcome extension spring 12 with it from the inside pull-out of slot 10, make it no longer can restrict the removal of mounting panel 16, can be through removing movable plate 2 with mounting panel 16 from the inside extraction of fixed box 11, thereby take off movable plate 2 and mounting panel 16, conveniently overhaul light source lamp 14 and fan 17, it is very convenient, if damage appears in subassembly 3 in a poor light, can be through the bolted connection between the canceling connecting block 5, it can with the separation of gluey frame base 4 and gluey frame top cap 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a LED backlight convenient to heat dissipation, includes gluey frame base (4), its characterized in that: the top end of the rubber frame base (4) is provided with a rubber frame top cover (6), one side of the rubber frame top cover (6) is provided with a dust screen (1), one side of the top end of the rubber frame top cover (6) is provided with two grooves (8), one side of the inner top end of the rubber frame top cover (6) is provided with a partition plate (18), the inside of the partition plate (18) is provided with a plurality of through holes (13), one side of the partition plate (18) is provided with a backlight component (3), one side of the inner top end of the rubber frame top cover (6) is provided with a fixed box (11), one side of the bottom end of the rubber frame base (4) is provided with a movable plate (2), the top end of the movable plate (2) is provided with a mounting plate (16), the top end of the mounting plate (16) extends to the inside of the fixed box (11), the front end and the rear end of the mounting plate (16) inside the fixed box (11) are both provided with slots (10), the inside of the grooves (8) are provided with a movable rod (7), the bottom end of the movable rod (7) extends to the front end and the rear end of the fixed box (11), one side of the movable rod (7) is provided with an insert block (9), one end of the outer wall of the insert block (12) extends to the front end of the fixed box (17), and the extension spring (17) is provided with an insert (17), and a plurality of light source lamps (14) are installed to the opposite side of mounting panel (16), the outside of light source lamp (14) all is provided with lamp shade (15), and one side of lamp shade (15) all is connected with one side of mounting panel (16).

2. The LED backlight for facilitating heat dissipation of claim 1, wherein: one end of the tension spring (12) is connected with one side of the moving rod (7), and the other end of the tension spring (12) is connected with one end of the fixed box (11).

3. The LED backlight source of claim 1, wherein: the inner wall of the lampshade (15) is provided with a reflector (19), and the reflector (19) is bowl-shaped.

4. The LED backlight source of claim 1, wherein: the light source lamps (14) are distributed on one side of the mounting plate (16) at equal intervals, and the centers of the light source lamps (14) and the through holes (13) are positioned on the same horizontal line.

5. The LED backlight source of claim 1, wherein: the shapes of the insertion block (9) and the slot (10) are both cylindrical, and the diameters of the insertion block (9) and the slot (10) are the same.

6. The LED backlight source of claim 1, wherein: glue frame base (4) and glue the outer wall of frame top cap (6) and all install a plurality of connecting blocks (5), and be connected through the bolt between two connecting blocks (5).

7. The LED backlight source of claim 1, wherein: the guide slot has all been seted up to the inside both sides of recess (8), the guide block is all installed to the both sides of carriage release lever (7), and constitutes sliding connection between carriage release lever (7) and recess (8) through the sliding fit between guide block and the guide slot.

8. The LED backlight for facilitating heat dissipation of claim 1, wherein: the backlight assembly (3) comprises a light reflecting sheet (31), a first diffusion sheet (32), a light guide sheet (33), a second diffusion sheet (34), a first prism sheet (35) and a second prism sheet (36), wherein the light reflecting sheet (31) is arranged on one side of the partition plate (18), the light guide sheet (33) is arranged at the top of the light reflecting sheet (31), the first diffusion sheet (32) is arranged at the top end of the light guide sheet (33), the second prism sheet (36) is arranged at the top end of the first diffusion sheet (32), the first prism sheet (35) is arranged at the top end of the second prism sheet (36), and the second diffusion sheet (34) is arranged at the top end of the first prism sheet (35).