CN216817127U

CN216817127U - LED backlight source mounting structure

Info

Publication number: CN216817127U
Application number: CN202220030919.5U
Authority: CN
Inventors: 雷太生; 王月营; 徐述刚
Original assignee: Heyuan Xinzhisheng Electronic Co ltd
Current assignee: Heyuan Xinzhisheng Electronic Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-06-24
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses an LED backlight source mounting structure which comprises a bottom shell and a plastic frame, wherein a reflecting plate is arranged on the inner wall of the bottom shell, a lamp tube plate is arranged on the inner wall of the bottom shell, lamp tubes distributed at equal intervals are arranged on the outer wall of the lamp tube plate, mounting grooves are formed in the outer walls of two sides of the bottom shell, guide plates distributed in a fan shape are arranged on the inner wall of each mounting groove, a wind gathering plate and a curved mirror are arranged on the inner wall of each mounting groove, reflecting grooves distributed at equal intervals are formed in the outer wall of each curved mirror, connecting holes are formed in the inner walls of the reflecting grooves, plastic ventilation pipes are arranged on the inner walls of the connecting holes, one ends of the plastic ventilation pipes are communicated with the interior of the wind gathering plates, and a backlight mechanism is arranged on the outer wall of the top of the lamp tube plate. The plastic ventilation pipe with the zigzag shape of the LED backlight source mounting structure disclosed by the utility model can prevent light from leaking out, so that a good ventilation effect is ensured, and light leakage can be prevented.

Description

LED backlight source mounting structure

Technical Field

The utility model relates to the technical field of backlight sources, in particular to an LED backlight source mounting structure.

Background

With the rapid development of the international IT industry, the related LCD industry is continuously updated, the size of the LCD product is advanced towards diversification and lightening, and the backlight source as one of the core components of the LCD product must be matched with the development trend to contribute to the diversification and lightening of the product.

With the development of society, LED backlight is more and more, and the backlight product is made thinner more, but current LED backlight is because thinner be difficult to the heat dissipation, causes the fluorescent tube to overheat under long-time the using easily, reduces the backlight life-span.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an LED backlight source mounting structure, and aims to solve the technical problems that the conventional LED backlight source is thin and difficult to radiate heat, a lamp tube is easy to overheat after the LED backlight source is used for a long time, and the service life of the backlight source is shortened.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a LED backlight mounting structure, includes drain pan and plastic frame, the bottom inner wall of drain pan is provided with the reflecting plate, the inner wall of drain pan is provided with the lamp tube board, the outer wall of lamp tube board is provided with the fluorescent tube that the equidistance distributes, the both sides outer wall of drain pan all is provided with the mounting groove, the inner wall of mounting groove is provided with the guide plate that is fan-shaped distribution, the inner wall of mounting groove is provided with air collecting plate and curved mirror, the outer wall of curved mirror is provided with the reflection recess that the equidistance distributes, the inner wall of reflection recess is opened there is the connecting hole, the inner wall of connecting hole is provided with the plastics ventilation pipe, the one end of plastics ventilation pipe with air collecting plate is inside to communicate with each other, the top outer wall of lamp tube board is provided with mechanism in a poor light.

During the use, the air enters into the wind gathering plate through the guide plate, then enters into among the reflection recess through gathering the plastics ventilation pipe above the wind gathering plate to can dispel the heat to the fluorescent tube, and curved mirror and reflection recess not only can prevent the light leak, can also reflect the light that the fluorescent tube sent to the reflecting plate above, and the tortuous plastics ventilation pipe of shape also can prevent that light from revealing away, can also prevent the light leak when guaranteeing to have better ventilation effect.

In a preferred scheme, a cavity is arranged between the wind gathering plate and the curved mirror, and heat dissipation coating is filled in the inner wall of the cavity.

Filling a lot of heat dissipation coating in the cavity not only can strengthen the heat dissipation function of device, can also block the dust simultaneously, further prevent that the dust from entering into in the shell of bottoming.

In a preferable scheme, a dustproof filter screen is arranged on the inner wall of the mounting groove.

Set up the filter screen and can prevent that the air from getting into in the inside time of drain pan brings the dust into the drain pan, guarantee that the backlight can not damage because of piling up the dust.

From the above, it can be known that, a LED backlight mounting structure, including drain pan and plastic frame, the bottom inner wall of drain pan is provided with the reflecting plate, the inner wall of drain pan is provided with the tube sheet, the outer wall of tube sheet is provided with the fluorescent tube that the equidistance distributes, the both sides outer wall of drain pan all is provided with the mounting groove, the inner wall of mounting groove is provided with the guide plate that is fan-shaped distribution, the inner wall of mounting groove is provided with wind-gathering plate and curved mirror, the outer wall of curved mirror is provided with the reflection recess that the equidistance distributes, the inner wall of reflection recess is opened there is the connecting hole, the inner wall of connecting hole is provided with the plastics ventilation pipe, the one end of plastics ventilation pipe with the wind-gathering plate is inside to communicate with each other, the top outer wall of tube sheet is provided with backlight unit. The plastic ventilation pipe with the zigzag shape of the LED backlight source mounting structure provided by the utility model can prevent light from leaking out, so that a good ventilation effect is ensured, and light leakage can be prevented.

Drawings

Fig. 1 is a schematic structural diagram of an LED backlight mounting structure according to the present invention.

Fig. 2 is a three-dimensional structure diagram of a lamp tube of an LED backlight source mounting structure according to the present invention.

Fig. 3 is a three-dimensional structure diagram inside a bottom case of an LED backlight mounting structure according to the present invention.

Fig. 4 is a cross-sectional view of a bottom case of an LED backlight mounting structure according to the present invention.

In the drawings: 1. a bottom case; 2. buckling; 3. a liquid crystal panel; 4. a plastic frame; 5. an upper diffusion film; 6. a lower diffusion film; 7. a diffusion plate; 8. a lamp tube; 9. a card slot; 10. a lamp tube plate; 11. mounting grooves; 12. a baffle; 13. a reflective plate; 14. shading glue; 15. a filter screen; 16. a plastic vent tube; 17. a reflective groove; 18. a curved mirror; 19. a wind-gathering plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The LED backlight source mounting structure disclosed by the utility model is mainly applied to the scenes that the service life of the backlight source is shortened, because the traditional LED backlight source is thin and difficult to radiate heat, and a lamp tube is easy to overheat after long-time use.

Referring to fig. 1, 2, 3 and 4, an LED backlight source mounting structure includes a bottom case 1 and a plastic frame 4, a reflective plate 13 is disposed on an inner wall of a bottom of the bottom case 1, a lamp tube plate 10 is fixed on an inner wall of the bottom case 1 through bolts, lamps 8 are fixed on an outer wall of the lamp tube plate 10 through bolts and distributed equidistantly, mounting grooves 11 are formed in outer walls of two sides of the bottom case 1, guide plates 12 distributed in a fan shape are fixed on an inner wall of the mounting grooves 11 through bolts, a wind-gathering plate 19 and a curved mirror 18 are fixed on an inner wall of the mounting grooves 11 through bolts, reflective grooves 17 distributed equidistantly are formed in an outer wall of the curved mirror 18, connecting holes are formed in an inner wall of the reflective grooves 17, plastic ventilation pipes 16 are inserted into inner walls of the connecting holes, one ends of the plastic ventilation pipes 16 are communicated with the interior of the wind-gathering plate 19, and a backlight mechanism is disposed on an outer wall of a top of the lamp tube plate 10; when the lamp tube is used, air enters the wind gathering plate 19 through the guide plate 12 and then enters the reflecting groove 17 through the plastic ventilating pipe 16 on the wind gathering plate 19, so that the lamp tube 8 can be cooled, the curved mirror 18 and the reflecting groove 17 can prevent light leakage, light emitted by the lamp tube 8 can be reflected to the reflecting plate 13, the plastic ventilating pipe 16 with the zigzag shape can prevent the light from leaking out, and the light leakage can be prevented while the good ventilating effect is ensured;

wherein, the inner wall of the plastic frame 4 is provided with a liquid crystal panel 3, and the liquid crystal panel 3 is in an arc shape;

the four corners of the outer wall of the bottom of the plastic frame 4 are all fixed with buckles 2 through bolts, the four corners of the inner wall of the bottom shell 1 are all provided with clamping grooves 9, and the outer wall of each buckle 2 is matched with the inner wall of each clamping groove 9;

specifically, light-shielding glue 14 for preventing light leakage is attached to the outer walls of both sides of the lamp tube plate 10, and black glue for preventing light leakage is disposed on one side of the curved mirror 18.

Referring to fig. 1, in a preferred embodiment, the backlight mechanism comprises a diffusion plate 7, a lower diffusion film 6 and an upper diffusion film 5 in sequence from bottom to top, wherein the diffusion plate 7 is made of high-temperature-resistant PMMA; the diffusion plate 7 has the characteristic of higher temperature resistance, and the service life of the backlight source is prolonged.

Referring to fig. 4, in a preferred embodiment, a dust-proof filter screen 15 is fixed to the inner wall of the installation groove 11 by bolts; the arrangement of the filter screen 15 can prevent air from entering the bottom case 1 and bring dust into the bottom case 1, thereby preventing the backlight source from being damaged due to dust accumulation.

Referring to fig. 4, in a preferred embodiment, a cavity is provided between the wind-collecting plate 19 and the curved mirror 18, and the inner wall of the cavity is filled with a heat-dissipating paint; filling a lot of heat dissipation coating in the cavity not only can strengthen the heat dissipation function of device, can also block the dust simultaneously, further prevent that the dust from entering into in drain pan 1.

The working principle is as follows: during the use, the air enters into and gathers aerofoil 19 through guide plate 12, then enter into among the reflection recess 17 through gathering plastics ventilation pipe 16 above the aerofoil 19, thereby can dispel the heat to fluorescent tube 8, and curved mirror 18 and reflection recess 17 not only can prevent the light leak, can also reflect the light that fluorescent tube 8 sent to on the reflecting plate 13, and the tortuous plastics ventilation pipe 16 of shape also can prevent that light from revealing, can also prevent the light leak when guaranteeing to have better ventilation effect, it not only can the reinforcing means's heat dissipation function to fill a lot of heat dissipation coating in the cavity, simultaneously can also block the dust, further prevent that the dust from entering into in the drain pan 1.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. The technical solution and the inventive concept thereof according to the present invention should be covered by the protection scope of the present invention by equivalent substitution or change.

Claims

1. The utility model provides a LED backlight source mounting structure, includes drain pan (1) and plastic frame (4), its characterized in that, the bottom inner wall of drain pan (1) is provided with reflecting plate (13), the inner wall of drain pan (1) is provided with lamp tube board (10), the outer wall of lamp tube board (10) is provided with fluorescent tube (8) that the equidistance distributes, the both sides outer wall of drain pan (1) all is provided with mounting groove (11), the inner wall of mounting groove (11) is provided with guide plate (12) that is fan-shaped distribution, the inner wall of mounting groove (11) is provided with wind-gathering plate (19) and curved mirror (18), the outer wall of curved mirror (18) is provided with reflection recess (17) that the equidistance distributes, the inner wall of reflection recess (17) is opened there is the connecting hole, the inner wall of connecting hole is provided with plastics ventilation pipe (16), the one end of plastics ventilation pipe (16) with wind-gathering plate (19) inside communicates with each other, and a backlight mechanism is arranged on the outer wall of the top of the lamp tube plate (10).

2. The LED backlight source mounting structure according to claim 1, wherein the backlight mechanism comprises a diffuser plate (7), a lower diffuser film (6) and an upper diffuser film (5) in sequence from bottom to top, and the diffuser plate (7) is made of high temperature-resistant PMMA.

3. The LED backlight source mounting structure according to claim 2, wherein the liquid crystal panel (3) is disposed on an inner wall of the plastic frame (4), and the liquid crystal panel (3) has an arc shape.

4. The LED backlight source mounting structure according to claim 3, wherein the plastic frame (4) is provided with buckles (2) at four corners of an outer wall of a bottom thereof, the bottom case (1) is provided with clamping grooves (9) at four corners of an inner wall thereof, and outer walls of the buckles (2) are matched with inner walls of the clamping grooves (9).

5. The LED backlight source mounting structure according to claim 1, wherein the inner wall of the mounting groove (11) is provided with a dust-proof filter screen (15).

6. The LED backlight source mounting structure according to claim 5, wherein the lamp tube plate (10) is provided with light shielding glue (14) on both outer walls thereof for preventing light leakage.

7. The LED backlight source mounting structure according to claim 1, wherein one side of the curved mirror (18) is provided with black glue for preventing light leakage.

8. The LED backlight source mounting structure according to claim 1, wherein a cavity is provided between the wind-collecting plate (19) and the curved mirror (18), and an inner wall of the cavity is filled with a heat-dissipating paint.