CN215121673U

CN215121673U - Dustproof mechanism of TFT-LCD module

Info

Publication number: CN215121673U
Application number: CN202120993893.XU
Authority: CN
Inventors: 吴斌
Original assignee: Jiangsu Jinhua Electronics Co ltd
Current assignee: Jiangsu Jinhua Electronics Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-10
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a dustproof mechanism of TFT-LCD module relates to display screen technical field, for solving the current relatively poor problem of dustproof effect of TFT-LCD module. The bottom of metal framework is provided with the bottom plate, and bottom plate and metal framework structure as an organic whole, the top of bottom plate is provided with the backup pad, and backup pad and metal framework welded fastening, the inside of metal framework inner wall all is provided with the heat dissipation wind channel, the inside both sides of bottom plate all are provided with dustproof wind channel, and dustproof wind channel is linked together with the heat dissipation wind channel, the mounting panel is all installed to dustproof wind channel's lower extreme, and mounting panel and bottom plate pass through the screw fixation, first dust guard is installed to the upper end of mounting panel, and first dust guard is provided with four, the second dust guard is installed to dustproof wind channel's lower extreme, and the second dust guard is installed threely, and second dust guard and bottom plate fixed connection.

Description

Dustproof mechanism of TFT-LCD module

Technical Field

The utility model relates to a display screen technical field specifically is a dustproof mechanism of TFT-LCD module.

Background

The TFT-LCD is called as a thin film transistor liquid crystal display, the TFT-LCD module can be regarded as two glass substrates with a layer of liquid crystal sandwiched between the two glass substrates, the upper glass substrate is a color filter, and the lower glass substrate is embedded with a transistor.

However, in the use process of the existing TFT-LCD module, because the structure of the heat dissipation mechanism is simple, dust easily enters the space between the plate bodies through the mounting frame from the through hole, the service life of each plate body is reduced, and therefore the existing requirements are not met, and the dustproof mechanism of the TFT-LCD module is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof mechanism of TFT-LCD module to solve the relatively poor problem of dustproof effect of the TFT-LCD module that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof mechanism of a TFT-LCD module comprises a metal frame, wherein a bottom plate is arranged at the bottom of the metal frame and is integrated with the metal frame, a supporting plate is arranged above the bottom plate and is fixedly welded with the metal frame, a horizontal polaroid, a color filter, a liquid crystal panel, TFT glass, a vertical polarizing plate and a backlight plate which are stacked from top to bottom are arranged on the supporting plate, radiating air channels are arranged inside the inner wall of the metal frame, dustproof air channels are arranged on two sides inside the bottom plate and are communicated with the radiating air channels, a mounting plate is arranged at the lower end of each dustproof air channel and is fixed with the bottom plate through screws, a first dustproof plate is arranged at the upper end of each mounting plate, four first dustproof plates are arranged, a second dustproof plate is arranged at the lower end of each dustproof air channel, and three second dustproof plates are arranged, and the second dust guard is fixedly connected with the bottom plate.

Preferably, the first dust screen is installed to the below that the wind channel of preventing dust is far away from heat dissipation wind channel one side, and first dust screen passes through the screw fixation with the bottom plate, all install small-size fan between the first dust screen, small-size fan installs threely, and small-size fan passes through the screw fixation with the bottom plate.

Preferably, first dust guard and second dust guard constitute by baffle and second dust screen, and the second dust screen passes through the draw-in groove with the baffle and fixes, first dust guard and second dust guard divide into eight spaces with dustproof wind channel, and are the dislocation distribution between first dust guard and the second dust guard.

Preferably, the inner side of the heat dissipation air duct is provided with a plurality of through holes, and the through holes penetrate through and extend to the inner side of the metal frame.

Preferably, the lower end of the heat dissipation air duct is provided with a choke plate, and the choke plate is rotatably connected with the metal frame through a damping rotating shaft.

Preferably, the upper end of backup pad is provided with the heat-conducting plate, and the heat-conducting plate is fixed with the backup pad adhesion, the below of backup pad is provided with the heat dissipation chamber, the inside in heat dissipation chamber is provided with radiating fin, and radiating fin is provided with a plurality of, and radiating fin distributes in proper order, a plurality of louvres have been seted up to the inside intermediate position department of bottom plate that is the rectangular array.

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

1. the utility model discloses a through set up first dust guard and second dust guard respectively in the inside of dustproof wind channel, first dust guard and second dust guard are by baffle and second dust screen composition, through opening small-size fan, make outside air enter into the inside of dustproof wind channel, at this moment first dust guard can form the stopping to the dust in step, reduce the granule impurity in the air, because be the dislocation distribution between first dust guard and the second dust guard, the air not only causes the velocity of flow to slow because of the separation of baffle, and only can flow through the second dust guard, then under the help of second dust guard, can carry out the separation of degree of depth to the tiny dust in the air, clean air then enters into the heat dissipation wind channel through the dustproof wind channel, and then carry the air to between TFT-LCD module under the through-hole on the heat dissipation wind channel, reduce the entering of dust under the prerequisite of guaranteeing TFT-LCD module radiating efficiency, the dustproof effect is improved.

2. The utility model discloses a lower extreme in dustproof wind channel all is provided with the mounting panel, when regularly clearing up dustproof wind channel, only need open the mounting panel, can realize with the separation in dustproof wind channel, this moment respectively to the first dust guard on the mounting panel and dustproof wind channel in the second dust guard clear up can, through this kind of mode, the user can dismantle the clearance to the mounting panel in the aspect of when reacing fixed clean time, the convenience is further improved.

3. The utility model discloses a be provided with the heat-conducting plate in the upper end of backup pad, the heat-conducting plate can absorb the heat that produces in the TFT-LCD module working process to transmit the radiating fin to the below, the heat air is derived through radiating fin, and discharges from the louvre on the bottom plate, cooperatees with the radiating air duct, has not only improved the radiating efficiency, adopts isolated heat dissipation moreover, and the in-process can not contact the dust, and dustproof effect all obtains promoting.

Drawings

Fig. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is an overall exploded view of the present invention;

FIG. 3 is an exploded bottom view of the metal frame of the present invention;

fig. 4 is a partially enlarged view of the area a in fig. 1 according to the present invention;

fig. 5 is a partially enlarged view of the area B in fig. 1 according to the present invention.

In the figure: 1. a metal frame; 2. a base plate; 3. a dustproof air duct; 4. a first dust screen; 5. heat dissipation holes; 6. a heat dissipation air duct; 7. a horizontal polarizer; 8. a color filter; 9. a liquid crystal panel; 10. TFT glass; 11. a vertical polarizing plate; 12. a backlight plate; 13. a support plate; 14. a heat conducting plate; 15. a heat dissipating fin; 16. a heat dissipation cavity; 17. mounting a plate; 18. a choke plate; 19. a first dust-proof plate; 20. a second dust-proof plate; 21. a through hole; 22. a baffle plate; 23. a second dust screen; 24. a small fan.

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.

Referring to fig. 1-5, the present invention provides an embodiment: a dust-proof mechanism of TFT-LCD module comprises a metal frame 1, a bottom plate 2 is arranged at the bottom of the metal frame 1, the bottom plate 2 and the metal frame 1 are in an integral structure, a support plate 13 is arranged above the bottom plate 2, the support plate 13 is welded and fixed with the metal frame 1, a horizontal polarizer 7, a color filter 8, a liquid crystal plate 9, TFT glass 10, a vertical polarizer 11 and a backlight plate 12 are arranged on the support plate 13 from top to bottom in a laminated manner, a heat dissipation air duct 6 is arranged inside the inner wall of the metal frame 1, dust-proof air ducts 3 are arranged on two sides inside the bottom plate 2, the dust-proof air ducts 3 are communicated with the heat dissipation air duct 6, a mounting plate 17 is arranged at the lower end of each dust-proof air duct 3, the mounting plate 17 and the bottom plate 2 are fixed by screws, a first dust-proof plate 19 is arranged at the upper end of the mounting plate 17, four first dust-proof plates 19 are arranged, and a second dust-proof plate 20 is arranged at the lower end of each dust-proof air duct 3, three second dust guard 20 are installed, and second dust guard 20 and bottom plate 2 fixed connection.

Further, dustproof channel 3 is far away from the below of 6 one sides in heat dissipation channel and is installed first dust screen 4, and first dust screen 4 passes through the screw fixation with bottom plate 2, all install small-size fan 24 between the first dust screen 4, small-size fan 24 installs threely, and small-size fan 24 passes through the screw fixation with bottom plate 2, small-size fan 24 makes outside air admission to the inside in dustproof channel 3, first dust screen 4 can tentatively form blockking to the dust this moment, reduce the particle impurity in the air.

Further, first dust guard 19 and second dust guard 20 are by baffle 22 and second dust guard 23 constitution, and second dust guard 23 passes through the draw-in groove with baffle 22 and fixes, and first dust guard 19 and second dust guard 20 divide into eight spaces with dustproof wind channel 3, and are the dislocation distribution between first dust guard 19 and the second dust guard 20, reduce the entering of dust under the prerequisite of guaranteeing TFT-LCD module radiating efficiency, and dustproof effect obtains improving.

Furthermore, the inner side of the heat dissipation air duct 6 is provided with a plurality of through holes 21, the through holes 21 penetrate through and extend to the inner side of the metal frame 1, clean air enters the heat dissipation air duct 6 through the dustproof air duct 3, and then the air is conveyed to the space between the TFT-LCD modules through the through holes 21 on the heat dissipation air duct 6.

Further, a choke plate 18 is installed at the lower end of the heat dissipation air duct 6, the choke plate 18 is rotatably connected with the metal frame 1 through a damping rotating shaft, and the ventilation quantity between the heat dissipation air duct 6 and the dustproof air duct 3 can be adjusted by rotating the choke plate 18.

Further, the upper end of backup pad 13 is provided with heat-conducting plate 14, and heat-conducting plate 14 is fixed with the adhesion of backup pad 13, the below of backup pad 13 is provided with heat dissipation chamber 16, the inside in heat dissipation chamber 16 is provided with radiating fin 15, radiating fin 15 is provided with a plurality of, and radiating fin 15 distributes in proper order, 2 inside intermediate position departments of bottom plate are the rectangular array and have seted up a plurality of louvres 5, not only improved the radiating efficiency, but also adopt isolated heat dissipation, the in-process can not contact the dust, dustproof effect all obtains promoting.

The working principle is as follows: when in use, the small fan 24 is started to make the outside air enter the dustproof air duct 3, at the moment, the first dustproof net 4 can preliminarily form the blocking to the dust, reduce the particle impurities in the air, because the first dust-proof board 19 and the second dust-proof board 20 are distributed in a staggered way, the air not only has a slow flow rate due to the obstruction of the baffle 22, and the air can only flow through the second dustproof net 23 to realize the deep separation of tiny dust in the air, clean air enters the heat dissipation air duct 6 through the dustproof air duct 3 and is conveyed to the space between the TFT-LCD modules through the through holes 21 on the heat dissipation air duct 6, when the dustproof air duct 3 is cleaned regularly, only the mounting plate 17 needs to be opened, the separation from the dustproof air duct 3 can be realized, and at the moment, the first dustproof plate 19 on the mounting plate 17 and the second dustproof plate 20 in the dustproof air duct 3 are cleaned respectively.

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 dustproof mechanism of TFT-LCD module, includes metal framework (1), its characterized in that: the bottom of the metal frame (1) is provided with a bottom plate (2), the bottom plate (2) and the metal frame (1) are of an integral structure, a supporting plate (13) is arranged above the bottom plate (2), the supporting plate (13) and the metal frame (1) are welded and fixed, a heat dissipation air duct (6) is arranged inside the inner wall of the metal frame (1), dustproof air ducts (3) are arranged on two sides inside the bottom plate (2), the dustproof air ducts (3) are communicated with the heat dissipation air duct (6), a mounting plate (17) is arranged at the lower end of each dustproof air duct (3), the mounting plate (17) and the bottom plate (2) are fixed through screws, a first dustproof plate (19) is arranged at the upper end of the mounting plate (17), four first dustproof plates (19) are arranged, a second dustproof plate (20) is arranged at the lower end of each dustproof air duct (3), and three second dustproof plates (20) are arranged, and the second dust guard (20) is fixedly connected with the bottom plate (2).

2. The dustproof mechanism of a TFT-LCD module according to claim 1, wherein: dustproof wind channel (3) are kept away from the below of radiating wind channel (6) one side and are installed first dust screen (4), and first dust screen (4) pass through the screw fixation with bottom plate (2), all install small-size fan (24) between first dust screen (4), small-size fan (24) are installed threely, and small-size fan (24) pass through the screw fixation with bottom plate (2).

3. The dustproof mechanism of a TFT-LCD module according to claim 1, wherein: first dust guard (19) and second dust guard (20) are constituteed by baffle (22) and second dust screen (23), and second dust screen (23) pass through the draw-in groove with baffle (22) and fix, first dust guard (19) and second dust guard (20) divide into eight spaces with dustproof wind channel (3), and are the dislocation distribution between first dust guard (19) and second dust guard (20).

4. The dustproof mechanism of a TFT-LCD module according to claim 1, wherein: the inner side of the heat dissipation air duct (6) is provided with a plurality of through holes (21), and the through holes (21) penetrate through and extend to the inner side of the metal frame (1).

5. The dustproof mechanism of the TFT-LCD module according to claim 4, wherein: the lower end of the heat dissipation air duct (6) is provided with a choke plate (18), and the choke plate (18) is rotatably connected with the metal frame (1) through a damping rotating shaft.

6. The dustproof mechanism of a TFT-LCD module according to claim 1, wherein: the upper end of backup pad (13) is provided with heat-conducting plate (14), and heat-conducting plate (14) and backup pad (13) adhesion are fixed, the below of backup pad (13) is provided with heat dissipation chamber (16), bottom plate (2) inside intermediate position department is the rectangle array and has seted up a plurality of louvres (5).