CN215067624U

CN215067624U - Low-energy-consumption brightness-adjustable backlight module

Info

Publication number: CN215067624U
Application number: CN202120645576.9U
Authority: CN
Inventors: 蒋小鹏
Original assignee: Sichuan Zhaoji Photoelectric Technology Co ltd
Current assignee: Sichuan Zhaoji Photoelectric Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-07
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to the technical field of backlight modules, in particular to a backlight module with low energy consumption and adjustable brightness, which comprises a machine body, wherein clamping plates are fixedly arranged on the front sides of the two sides of the inner cavity of the machine body, a chute is arranged on the inner side of each clamping plate, and pulleys are connected to the upper side and the lower side of the inner cavity of the chute in a sliding way; a fixing frame is fixedly mounted on one side of the pulley, which is far away from the sliding groove, and a micro fan is arranged on one side of the inner cavity of the machine body and positioned on the back of the clamping plate; the utility model discloses a organism, the cardboard, the frame, micro fan, the setting of dust absorption piece and dust absorption pipe, make the device reach the advantage of conveniently dismantling the dust removal, it generally fixes on LCD to have solved current backlight unit simultaneously, inconvenient dismantlement with it when the problem appears, it is more time consuming to overhaul, the device inner chamber has a lot of service lines moreover, some small dust particles can be adsorbed on the service line, if the dust particle is more can cause the problem that the damage influences the use to backlight unit.

Description

Low-energy-consumption brightness-adjustable backlight module

Technical Field

The utility model relates to a backlight unit technical field specifically is a backlight unit of low power consumption adjustable luminance.

Background

The backlight module is one of the key components of the liquid crystal display panel, and has the function of supplying sufficient light source with uniform brightness and distribution, so that the backlight module can normally display images.

The existing backlight module is generally fixed on a liquid crystal display, the existing backlight module is inconvenient to disassemble when in problem, the maintenance consumes time, the inner cavity of the device is provided with a plurality of operation circuits, some tiny dust particles can be adsorbed on the operation circuits, and if more dust particles can damage the backlight module to influence the use, therefore, the backlight module with low energy consumption and adjustable brightness is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but low power consumption brightness regulation's backlight unit possesses the convenient advantage of dismantling the dust removal, has solved current backlight unit and has generally fixed on LCD, inconvenient dismantlement and the inconvenient problem of removing dust with it when the problem appears.

In order to achieve the above object, the utility model provides a following technical scheme: a low-energy-consumption brightness-adjustable backlight module comprises a body, wherein clamping plates are fixedly mounted on the front sides of two sides of an inner cavity of the body, a sliding groove is formed in the inner side of each clamping plate, pulleys are connected to the upper side and the lower side of the inner cavity of each sliding groove in a sliding mode, a fixing frame is fixedly mounted on one side, away from each sliding groove, of each pulley, a micro fan is arranged on one side of the inner cavity of the body and located on the back side of each clamping plate, an air suction end of each micro fan is communicated with a dust suction piece, the back side of each dust suction piece is fixedly mounted with the back side of the body, the front side of each dust suction piece is communicated with a plurality of dust suction pipes, an air exhaust end of each micro fan penetrates through the body and extends to the outside, a notch is formed in the front side of the body, and a display screen is embedded in the inner side of the notch;

the backlight module comprises a fixed frame and is characterized in that a backlight module body is arranged in an inner cavity of the fixed frame, an outer frame is bonded on the surface of the backlight module body, and the outer side of the outer frame is bonded with the inner side of the fixed frame.

Preferably, a plurality of control buttons are fixedly mounted on one side of the front surface of the machine body, and the control buttons are correspondingly arranged with the backlight module body, the display screen and the like.

Preferably, one side of the machine body is provided with a rectangular groove, and an inner cavity of the rectangular groove is embedded with a ventilation net.

Preferably, a thin plate is fixedly mounted on one side of the bottom of the clamping plate, and the top of the thin plate is attached to the bottom of the pulley.

Preferably, a sound insulation shell is fixedly mounted on one side of the inner cavity of the body and located on the back face of the clamping plate, and the bottom of the micro fan is fixedly mounted on the bottom of the inner cavity of the sound insulation shell.

Preferably, the top of the machine body is attached with a cover plate, and the top of the cover plate is provided with a plurality of screw holes.

Preferably, the inner chamber joint of screw hole has the fixed silk, the bottom of fixed silk runs through the screw hole and extends to the top threaded connection of outside and organism.

Preferably, the bottom of body cavity and the both sides that are located fixed frame bottom all are provided with the telescopic link, the equal fixed mounting in upper and lower both sides of telescopic link has the plectane, the top fixed mounting of plectane has the short slab, the bottom of plectane and body cavity's bottom fixed mounting, the inboard of plectane and the outside fixed mounting who is located the telescopic link have damping spring.

Preferably, the back of the machine body is fixedly provided with an L-shaped clamping piece, and the surface of the L-shaped clamping piece is clamped with an installation frame.

Preferably, threaded holes are formed in four corners of the front face of the mounting frame, and mounting wires are connected to inner cavities of the threaded holes in a threaded mode.

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

1. the utility model has the advantages that the device achieves the advantage of convenient disassembly and dust removal through the arrangement of the machine body, the clamping plate, the outer frame, the micro fan, the dust suction piece and the dust suction pipe, and simultaneously solves the problems that the existing backlight module is generally fixed on a liquid crystal display, is inconvenient to disassemble when in problem, and consumes time when being overhauled, and the inner cavity of the device has a plurality of operation lines, some tiny dust particles can be adsorbed on the operation lines, and if more dust particles can damage the backlight module to influence the use;

2. the utility model discloses when the device takes place to fall or when colliding, the sheet metal can split, at this moment reduces the shaking force when backlight unit body receives the impact through telescopic link, short slab and damping spring to protect it, L shape fastener is convenient to carry out spacing installation to the organism, conveniently dismantles it simultaneously, and the installation silk can conveniently be fixed the mounting bracket in appointed place, makes things convenient for the staff to install it.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of a portion B of FIG. 1 according to the present invention;

fig. 6 is a partially enlarged view of the point C in fig. 3 according to the present invention.

In the figure: 1. a body; 2. clamping a plate; 3. a chute; 4. a pulley; 5. a fixing frame; 51. a backlight module body; 52. an outer frame; 6. a micro fan; 7. a dust collection member; 8. a dust collection pipe; 9. a display screen; 10. a control button; 11. a ventilation net; 12. a thin plate; 13. a sound-insulating shell; 14. a cover plate; 141. a screw hole; 142. fixing the wire; 15. a telescopic rod; 151. a circular plate; 152. a short plate; 153. a damping spring; 16. an L-shaped fastener; 17. a mounting frame; 171. a threaded hole; 172. and (6) installing the wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, a backlight module with low power consumption and adjustable brightness comprises a body 1, wherein a plurality of control buttons 10 are fixedly installed on one side of the front surface of the body 1, the control buttons 10 are correspondingly arranged with a backlight module body 51, a display screen 9 and other structures, and the control buttons 10 can operate the device, so that the functions of the device can be conveniently adjusted and switched; a rectangular groove is formed in one side of the machine body 1, a ventilation net 11 is embedded in an inner cavity of the rectangular groove, and the ventilation net 11 ventilates the interior of the device and has a certain heat dissipation function;

an L-shaped clamping piece 16 is fixedly arranged on the back surface of the machine body 1, an installation frame 17 is clamped on the surface of the L-shaped clamping piece 16, and the L-shaped clamping piece 16 is convenient for limiting installation of the machine body 1 and is convenient for disassembly; threaded holes 171 are formed in four corners of the front face of the mounting frame 17, an inner cavity of each threaded hole 171 is in threaded connection with a mounting wire 172, and the mounting wires 172 can conveniently fix the mounting frame 17 in a designated place and facilitate installation of workers;

the front surfaces of two sides of the inner cavity of the machine body 1 are fixedly provided with clamping plates 2, the inner sides of the clamping plates 2 are provided with sliding grooves 3, one side of the bottom of each clamping plate 2 is fixedly provided with a thin plate 12, the top of each thin plate 12 is attached to the bottom of a pulley 4 at the bottom, and the pulleys 4 are supported and limited through the thin plates 12, so that the backlight module body 51 is supported and limited; a cover plate 14 is attached to the top of the body 1, a plurality of screw holes 141 are formed in the top of the cover plate 14, the cover plate 14 seals the body 1, various fittings in an inner cavity of the body are protected, and the backlight module body 51 and other devices are convenient to take out; the fixing thread 142 is clamped in the inner cavity of the screw hole 141, the bottom of the fixing thread 142 penetrates through the screw hole 141 and extends to the outside to be in threaded connection with the top of the machine body 1, and the fixing thread 142 can fix the cover plate 14 to prevent the cover plate from falling off at will;

the upper side and the lower side of the inner cavity of the sliding chute 3 are both connected with pulleys 4 in a sliding manner, one side of each pulley 4, which is far away from the sliding chute 3, is fixedly provided with a fixed frame 5, the bottom of the inner cavity of the machine body 1 and the two sides at the bottom of the fixed frame 5 are both provided with telescopic rods 15, the upper side and the lower side of each telescopic rod 15 are both fixedly provided with circular plates 151, the top of each circular plate 151 at the top is fixedly provided with a short plate 152, the bottom of each circular plate 151 at the bottom and the bottom of the inner cavity of the machine body 1 are fixedly provided, the inner sides of the circular plates 151 and the outer sides of the telescopic rods 15 are fixedly provided with damping springs 153, when the device falls or collides, the thin plate 12 can be broken, and the shock force generated when the backlight module body 51 is impacted is reduced through the telescopic rods 15, the short plates 152 and the damping springs 153, so that the backlight module body 51 is protected;

a micro fan 6 is arranged on one side of the inner cavity of the machine body 1 and on the back of the clamping plate 2, the air exhaust end of the micro fan 6 is communicated with a dust collection part 7, a sound insulation shell 13 is fixedly arranged on one side of the inner cavity of the machine body 1 and on the back of the clamping plate 2, the bottom of the micro fan 6 is fixedly arranged with the bottom of the inner cavity of the sound insulation shell 13, noise generated during the working of the micro fan 6 is reduced through the sound insulation shell 13, and the influence of overlarge noise on the use of the device by a user is avoided;

the back of dust extraction 7 and organism 1's back fixed mounting, the front intercommunication of dust extraction 7 has a plurality of dust absorption pipes 8, micro fan 6's the end of airing exhaust runs through organism 1 and extends to the outside, the notch has been seted up in organism 1's front, the inboard of notch is inlayed and is equipped with display screen 9, the inner chamber of fixed frame 5 is provided with backlight unit body 51, backlight unit body 51's surface bonds has frame 52, the outside of frame 52 bonds with the inboard of fixed frame 5.

The device is convenient for installing structures such as the backlight module body 51 in the inner cavity of the machine body 1 through the arrangement of the clamping plate 2, the sliding groove 3 and the pulley 4, when the device breaks down and needs to be overhauled, the fixing wire 142 is unscrewed, and the cover plate 14 is opened to take out the fixing frame 5 and the backlight module body 51 for overhauling;

when the device works again, the micro-fan 6 is turned on through the external controller, some dust particles in the device are sucked to the inner cavity of the dust suction part 7 through the air suction end of the micro-fan 6 and are discharged out of the machine body 1 along the air exhaust end of the micro-fan 6, so that dust is removed;

meanwhile, the wind power of the micro fan 6 has a certain dehumidification function, so that accessories such as the backlight module body 51 and the like are prevented from being damaged due to humidity, the control button 10 can operate the device, the functions of the device can be conveniently adjusted and switched, the ventilation net 11 ventilates the inside of the device, and a certain heat dissipation function is achieved;

support through sheet metal 12 pulley 4 spacing to support backlight unit body 51 spacing, reduce the noise that micro-fan 6 during operation produced through the shell 13 that gives sound insulation, avoid the too big influence user of noise to use the device, when the device takes place to fall or collide, sheet metal 12 can split, at this moment through telescopic link 15, short slab 152 and damping spring 153 reduce the jarring when backlight unit body 51 receives the impact, thereby protect it.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a backlight unit of adjustable luminance of low power consumption, includes organism (1), its characterized in that: the front of the two sides of the inner cavity of the machine body (1) is fixedly provided with a clamping plate (2), the inner side of the clamping plate (2) is provided with a sliding groove (3), the upper side and the lower side of the inner cavity of the sliding groove (3) are both connected with a pulley (4) in a sliding way, one side of the pulley (4) far away from the sliding groove (3) is fixedly provided with a fixed frame (5), one side of the inner cavity of the machine body (1) and the back of the clamping plate (2) are provided with a micro fan (6), the air draft end of the micro fan (6) is communicated with a dust absorption part (7), the back of the dust absorption part (7) is fixedly installed with the back of the machine body (1), the front of the dust absorption part (7) is communicated with a plurality of dust absorption pipes (8), the air exhaust end of the micro fan (6) penetrates through the machine body (1) and extends to the outside, the front of the machine body (1) is provided with a notch, the inner side of the notch is embedded with a display screen (9), the backlight module comprises a fixed frame (5), and is characterized in that a backlight module body (51) is arranged in an inner cavity of the fixed frame (5), an outer frame (52) is bonded on the surface of the backlight module body (51), and the outer side of the outer frame (52) is bonded with the inner side of the fixed frame (5).

2. The backlight module of claim 1, wherein: one side fixed mounting that organism (1) is positive has a plurality of control button (10), control button (10) and backlight unit body (51) and display screen (9) isotructure are for corresponding the setting.

3. The backlight module of claim 1, wherein: a rectangular groove is formed in one side of the machine body (1), and a ventilation net (11) is embedded in an inner cavity of the rectangular groove.

4. The backlight module of claim 1, wherein: one side fixed mounting of cardboard (2) bottom has sheet metal (12), the top and the bottom of sheet metal (12) the bottom laminating of pulley (4).

5. The backlight module of claim 1, wherein: the sound insulation shell (13) is fixedly arranged on one side of the inner cavity of the machine body (1) and located on the back face of the clamping plate (2), and the bottom of the micro fan (6) is fixedly arranged on the bottom of the inner cavity of the sound insulation shell (13).

6. The backlight module of claim 1, wherein: the top laminating of organism (1) has apron (14), a plurality of screw holes (141) have been seted up at the top of apron (14).

7. The backlight module of claim 6, wherein: the inner cavity joint of screw hole (141) has fixed silk (142), the bottom of fixed silk (142) runs through screw hole (141) and extends to the top threaded connection of outside and organism (1).

8. The backlight module of claim 1, wherein: organism (1) inner chamber's bottom and the both sides that are located fixed frame (5) bottom all are provided with telescopic link (15), the equal fixed mounting in upper and lower both sides of telescopic link (15) has plectane (151), the top fixed mounting of plectane (151) has short slab (152), bottom the bottom of plectane (151) and the bottom fixed mounting of organism (1) inner chamber, the inboard of plectane (151) and the outside fixed mounting that is located telescopic link (15) have damping spring (153).

9. The backlight module of claim 1, wherein: the back of the machine body (1) is fixedly provided with an L-shaped clamping piece (16), and the surface of the L-shaped clamping piece (16) is clamped with an installation frame (17).

10. The backlight module of claim 9, wherein: threaded holes (171) are formed in four corners of the front face of the mounting frame (17), and mounting wires (172) are connected to inner cavities of the threaded holes (171) in a threaded mode.