CN216202658U

CN216202658U - Adjustable MINI LED lamp backlight module

Info

Publication number: CN216202658U
Application number: CN202122608572.6U
Authority: CN
Inventors: 廖少林; 廖羽君; 黄旭进
Original assignee: Shenzhen Tianhua Electronic Technology Co ltd
Current assignee: Shenzhen Tianhua Electronic Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses an adjustable MINILED lamp backlight module which comprises a mounting plate, wherein a plurality of LED lamp bodies are mounted at the upper end of the mounting plate, a transparent shell is mounted at the upper end of the mounting plate and positioned at the outer sides of the LED lamp bodies, two air cavities are symmetrically arranged in the mounting plate, fans are mounted in the two air cavities, the upper space of each air cavity is communicated with the inner space of the transparent shell through a plurality of pores, and the lower space of each air cavity is communicated with the outside through two circular through holes. This backlight unit is provided with the initiative heat dissipation, when needs dispel the heat, can carry out the efficient heat dissipation, and still is provided with rectangle baffle and brush hair layer, does not need artifical manual clean to the filter screen, if when not using this backlight unit for a long time, can shelter from the filter screen completely, avoids the condition appearance that external dust falls on the filter screen.

Description

Adjustable MINI LED lamp backlight module

Technical Field

The utility model relates to the technical field of backlight modules, in particular to an adjustable MINI LED lamp backlight module.

Background

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

it is in the use, a backlight unit comprises a plurality of little LED lamps, although the calorific capacity of LED lamp is less, if carry out the long-time use that lasts, inside still gathers thermal energy easily, consequently all can set up the louvre and the initiative heat abstractor who configures on general backlight unit, and still can set up some corresponding filter screens, be arranged in the dust of filtered air when initiatively dispelling the heat, but long-term after-use back, can be stained with on the filter screen and attach more dust, influence radiating performance, artifical cleanness has comparatively trouble, and if the filter screen is in naked state for a long time, timely backlight unit does not use, also can fall more dust on its filter screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an adjustable MINI LED lamp backlight module which is provided with active heat dissipation and can perform efficient heat dissipation when heat dissipation is needed, and is also provided with a rectangular baffle and a brush layer, so that a filter screen is not required to be cleaned manually, and if the backlight module is not used for a long time, the filter screen can be completely shielded, and external dust is prevented from falling onto the filter screen.

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

the utility model provides an adjustable MINI LED lamp backlight module, includes 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, two the fan, every are all installed to the wind intracavity the top space in wind chamber all communicates through a plurality of pores and transparent casing inner space, 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, the lower extreme of mounting panel is installed and is cleaned and is sheltered from the mechanism.

Preferably, the fan located on the left side is opposite to the fan located on the right side in wind direction.

Preferably, clean the installation cavity that shelters from the mechanism including setting up in the mounting panel, install the motor in the installation cavity, the output shaft end of motor extends to the external world, two rectangle baffles of symmetry fixedly connected with on the terminal lateral wall of output shaft of motor.

Preferably, each rectangular baffle plate is provided with a brush layer on the upper end surface, and the upper end surface of the brush layer is in contact with the lower end surface of the mounting plate.

Preferably, the motor is a servo motor capable of changing the rotating speed and the steering direction.

Preferably, the rectangular baffle is made of plastic.

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

1. the two fans are arranged, and the wind directions generated by the two fans are opposite, so that the wind direction of the boundary → the left side wind cavity → the inside of the transparent shell → the right side wind cavity → the outside can be generated, and the heat in the transparent shell can be taken out through the active heat radiation wind direction, so that the heat radiation effect is improved.

2. When not using this module for a long time, two rectangle baffles that can the starter motor be are in the state that the picture is shown, and at this moment a plurality of circular openings are all shielded, can effectively avoid external dust to fall on the filter screen, avoid not using to be that the filter screen is blockked up by the dust, influence follow-up radiating condition to appear.

3. When initiatively dispelling the heat for a long time, so the flow of air also can let the more dust of filter screen surface adhesion, at this moment can the starter motor carry out the continuous rotation of a period, and in this period of time, the rectangle baffle can constantly rotate to let the continuous brush on brush hair layer move the filter screen, clean filter screen surface, do not need artifical cleanness, it is comparatively convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable MINI LED lamp backlight module according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a view of the venting state of fig. 3.

In the figure: the LED lamp comprises a mounting plate 1, an LED lamp body 2, a transparent shell 3, an air chamber 4, a rectangular baffle 5, a fan 6, a circular opening 7, a filter screen 8, a brush layer 9, a mounting chamber 10, a motor 11 and a pore 12.

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.

Referring to fig. 1-4, an adjustable MINI LED lamp backlight module comprises a mounting plate 1, a plurality of LED lamp bodies 2 are mounted at the upper end of the mounting plate 1, a transparent shell 3 is mounted at the upper end of the mounting plate 1, the transparent shell 3 is located at the outer side of the plurality of LED lamp bodies 2, two air cavities 4 are symmetrically arranged in the mounting plate 1, fans 6 are mounted in the two air cavities 4, the wind directions of the fans 6 located on the left side and the fans 6 located on the right side are opposite, the wind direction generated by the fan 6 on the left side is from bottom to top, and the wind direction generated by the fan 6 on the right side is from top to bottom;

the upper space of each air cavity 4 is communicated with the inner space of the transparent shell 3 through a plurality of fine holes 12, the lower space of each air cavity 4 is communicated with the outside through two circular through holes 7, and the bottom space of each circular through hole 7 is provided with a filter screen 8;

the lower end of the mounting plate 1 is provided with a wiping shielding mechanism, the wiping shielding mechanism comprises a mounting cavity 10 arranged in the mounting plate 1, a motor 11 is arranged in the mounting cavity 10, the motor 11 is a servo motor capable of changing the rotating speed and the steering direction, the tail end of an output shaft of the motor 11 extends to the outside, the outer side wall of the tail end of the output shaft of the motor 11 is symmetrically and fixedly connected with two rectangular baffles 5, and the rectangular baffles 5 are made of plastics, so that the motor 11 can easily drive the rectangular baffles 5 to rotate;

wherein, the upper end face of every rectangle baffle 5 all installs brush hair layer 9, and the up end of brush hair layer 9 contacts with the lower terminal surface of mounting panel 1.

In the utility model, in the using process of the LED lamp body 2, the plurality of rectangular baffles 5 are in the state shown in fig. 4 through the motor 11, the plurality of circular through holes 7 are in the state of not being shielded, the ventilation performance is better, and the better heat dissipation effect is achieved, and after the LED lamp body 2 is used for a period of time, the two fans 6 can be started to actively dissipate heat, after the two fans 6 are started, the outside → the left side air cavity 4 → the inside of the transparent shell 3 → the right side air cavity 4 → the outside wind direction can be generated, and the heat in the transparent shell 3 can be taken out through the actively dissipating wind direction, so that the heat dissipation effect is improved;

when the module is not used for a long time, the two rectangular baffles 5 capable of starting the motor 11 are in the state shown in fig. 3, and the circular through holes 7 are blocked, so that external dust can be effectively prevented from falling onto the filter screen 8, and the condition that the filter screen 8 is blocked by the dust to influence subsequent heat dissipation when the module is not used is avoided;

when taking the initiative and dispel the heat for a long time, so the flow of air also can let the more dust of 8 surperficial adhesions of filter screen, can start motor 11 at this moment and carry out the continuous rotation of a period, in this time quantum, rectangle baffle 5 can constantly rotate to let the continuous brush of brush hair layer 9 move filter screen 8, clean 8 surfaces of filter screen, do not need artifical cleanness, it is comparatively convenient to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An adjustable MINI LED lamp backlight module comprises a mounting plate (1), it is characterized in that a plurality of LED lamp bodies (2) are arranged at the upper end of the mounting plate (1), the upper end of the mounting plate (1) is provided with a transparent shell (3), the transparent shell (3) is positioned at the outer side of the LED lamp bodies (2), the symmetry is provided with two wind chambeies (4), two in mounting panel (1) all install fan (6), every in wind chamber (4) the top space in wind chamber (4) all communicates through a plurality of pores (12) and transparent casing (3) inner space, every the below space in wind chamber (4) all communicates with external world through two circular openings (7), every filter screen (8) are all installed to the bottom space of circular opening (7), the lower extreme of mounting panel (1) is installed and is cleaned and shelters from the mechanism.

2. The adjustable MINI LED backlight module as claimed in claim 1, wherein the fan (6) on the left side is opposite to the fan (6) on the right side.

3. The adjustable MINI LED backlight module as claimed in claim 1, wherein the wiping shielding mechanism comprises a mounting cavity (10) arranged in the mounting plate (1), a motor (11) is installed in the mounting cavity (10), the end of the output shaft of the motor (11) extends to the outside, and two rectangular baffles (5) are symmetrically and fixedly connected to the outer side wall of the end of the output shaft of the motor (11).

4. The adjustable MINI LED backlight module as claimed in claim 3, wherein the upper end face of each rectangular baffle (5) is installed with a brush layer (9), and the upper end face of the brush layer (9) is in contact with the lower end face of the mounting plate (1).

5. The adjustable MINI LED backlight module as claimed in claim 3, wherein the motor (11) is a servo motor with variable rotation speed and direction.

6. The adjustable MINI LED backlight module as claimed in claim 3, wherein the rectangular baffle (5) is made of plastic.