CN219872013U - LED backlight liquid crystal display device - Google Patents
LED backlight liquid crystal display device Download PDFInfo
- Publication number
- CN219872013U CN219872013U CN202321068516.0U CN202321068516U CN219872013U CN 219872013 U CN219872013 U CN 219872013U CN 202321068516 U CN202321068516 U CN 202321068516U CN 219872013 U CN219872013 U CN 219872013U
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- Prior art keywords
- frame
- liquid crystal
- crystal display
- led backlight
- backlight liquid
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims description 33
- 239000000428 dust Substances 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses an LED backlight liquid crystal display device, which relates to the technical field of LED backlight liquid crystal display devices and comprises a frame, wherein a rear shell is arranged at one end of the frame, a heat dissipation hole is formed in the surface of the rear shell, an LED backlight liquid crystal display is assembled in the frame, one end of a spring, which is far away from a bolt, is fixed with the inner wall of a connecting plate, and slots II are formed in the top end and the bottom end in a groove I. According to the LED backlight liquid crystal display device, the connecting plate, the first groove, the bolt, the second slot and the spring are arranged, after the frame and the rear shell are assembled, the connecting plate is turned over, the bolt is loosened, the bolt is unfolded under the action of the spring, the bolt is inserted into the second slot, and the frame and the rear shell are fixed through the connecting plate, so that the LED backlight liquid crystal display device is convenient to assemble between the frame and the rear shell, and the frame and the rear shell are not required to be fixedly installed through the bolts.
Description
Technical Field
The utility model relates to the technical field of backlight liquid crystal display devices, in particular to an LED backlight liquid crystal display device.
Background
The LED backlight liquid crystal display is mainly a screen in which the LED backlight emits light and is used as a light source, and then images by projection or reflection on a liquid crystal molecular layer, and the LED backlight liquid crystal display is widely used.
Referring to CN206863428U, the utility model discloses an LED backlight liquid crystal display device, which comprises a mounting frame, the back of the mounting frame is also provided with a connecting ring, the connecting ring is connected with a base through a rotating shaft, a mounting groove is arranged in the mounting frame, a mounting plate is slidably connected in the mounting groove, a heat dissipation hole is arranged on the mounting plate, a light source group is arranged on the surface of the mounting plate, a backlight backboard is arranged on the surface of the light source group, a display screen is arranged on the surface of the backlight backboard, the back of the mounting frame is provided with a PLC (programmable logic controller) excavator, the output end of the PLC controller is electrically connected with the light source group and the input end of the display screen, and therefore, the LED backlight liquid crystal display device can control the work of a heat dissipation fan according to data measured by a temperature sensor, so as to conduct heat dissipation work, and the PLC controller adjusts the work of the light source group through a frequency converter, thereby being convenient for people to use.
In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: the LED backlight liquid crystal display device is directly assembled in the mounting frame in a sliding way, and the mounting frame is difficult to be unpacked into two, so that maintenance treatment on the internal LED backlight liquid crystal is difficult to be carried out.
Disclosure of Invention
The utility model aims to provide an LED backlight liquid crystal display device, which solves the problem that the device in the background art is difficult to unpack an installation frame into two, so that the heat dissipation of the internal LED backlight liquid crystal is difficult to maintain.
The utility model provides an LED backlight liquid crystal display device, which adopts the following technical scheme;
the utility model provides a LED backlight liquid crystal display device, includes the frame, frame one end is provided with the backshell, the louvre has been seted up on the surface of backshell, the inside group of frame has LED backlight liquid crystal display, the corner of frame one end all sets up fluted second, is located fluted second internal rotation and has even board, the recess first has all been seted up to backshell both ends both sides, even board top and bottom slip have the bolt, are located the fixed equipment of one end that links the inboard bolt and have a spring, and the spring is kept away from bolt one end and is linked the inboard wall fixed, slot second has been seted up to top and bottom in the recess first.
Through adopting above-mentioned technical scheme, can hide the even board in recess one, avoid even the board to become the protrusion setting at the frame back, the bolt passes through spring force and inserts in slot two down, fixes between backshell and the frame.
Optionally, the top of frame one end is fixed with the casing, the casing rotation has the bull stick, the outside both sides winding of bull stick has the lifting rope, and the lifting rope bottom is located the casing below, and the connecting piece is installed to the bottom of lifting rope, rotates between two connecting pieces and installs the cleaning board, miniature servo motor is installed to casing one side, and miniature servo motor's output shaft and one side fixed connection of bull stick, the spout has been seted up on the frame surface, and connecting piece sliding connection is in the spout, the connecting piece is close to the rotation in the frame one end and has the ball.
Through adopting above-mentioned technical scheme, the cleaning board passes through the connecting piece, and the lifting rope carries out the reciprocating under the condition that miniature servo motor drove the bull stick forward and backward.
Optionally, cleaning cotton is assembled in the cleaning plate in an extrusion mode, and one end of the cleaning cotton is tightly attached to the LED backlight liquid crystal display.
By adopting the technical scheme, the cleaning cotton moves up and down to rub the LED backlight liquid crystal display, and the surface of the LED backlight liquid crystal display is cleaned.
Optionally, slot one has been seted up vertically to the backshell surface on the louvre is put down, louvre one end is provided with the dust blocking net, and dust blocking net top and bottom have protruding fixture block, and the cross section of fixture block equals the cross section of slot one.
Through adopting above-mentioned technical scheme, shelter from the louvre through keeping off the dirt net, avoid the dust to get into in the frame, pile up on the spare part in the frame, influence spare part heat dissipation.
Optionally, one end of the bolt is positioned outside the connecting plate, and a poking plate is fixed outside the bolt.
Through adopting above-mentioned technical scheme, be convenient for promote the bolt through stirring the board, owing to stir the epaxial anti-skidding groove of having seted up, increase stir the frictional force between board and the finger.
Optionally, the rear shell is fixed with the installed part in the position department that keeps away from frame one end and is close to the bottom.
Through adopting above-mentioned technical scheme for with the frame carry out fixed mounting with the external support through the cooperation of installed part under screw and nut, the external support plays the supporting role to the frame.
In summary, the present utility model includes at least one of the following advantages;
1. through the arrangement of the connecting plate, the first groove, the bolt, the second slot and the spring, after the frame and the rear shell are assembled, the connecting plate is turned over, the bolt is loosened, the bolt is unfolded under the action of the spring, the bolt is inserted into the second slot, and the frame and the rear shell are fixed through the connecting plate, so that the LED backlight liquid crystal display device is convenient for assembling between the frame and the rear shell, and the frame and the rear shell are not required to be fixedly installed by means of screws;
2. the miniature servo motor, the lifting rope, the rotating rod, the cleaning plate, the cleaning cotton, the connecting piece, the sliding groove and the rolling balls are arranged, the output end of the miniature servo motor positively and negatively rotates to drive the rotating rod to rotate, the lifting rope is unfolded or rolled, at the moment, the cleaning plate moves up and down, the cleaning cotton plays a cleaning effect on the LED backlight liquid crystal display by moving up and down on the cleaning plate, and the LED backlight liquid crystal display device has an automatic cleaning function;
3. through being provided with slot one and keeping off the dirt net, keep off the dirt net assembly and be in the backshell back, shelter from the louvre completely, shelter from the louvre through keeping off the dirt net, reduce or avoid the dust to get into in the frame, the dust adheres to on the spare part in the frame, influences spare part heat dissipation, has realized that this LED backlight liquid crystal display has dustproof function.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of a rear view partially in section of the present utility model;
FIG. 3 is a schematic side view of a dust screen of the present utility model;
FIG. 4 is a schematic cross-sectional elevation view of the housing of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 6 is a schematic side view partially in cross-section of the connector of the present utility model.
In the figure: 1. a frame; 2. a housing; 3. LED backlight liquid crystal display; 4. a rear case; 5. a first slot; 6. a heat radiation hole; 7. a dust blocking net; 8. a mounting member; 9. a miniature servo motor; 10. a lifting rope; 11. a cleaning plate; 12. cleaning cotton; 13. a rotating rod; 14. a connecting piece; 15. a toggle plate; 16. a groove I; 17. a connecting plate; 18. a spring; 19. a plug pin; 20. a second slot; 21. a second groove; 22. a chute; 23. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to fig. 1-6.
The utility model discloses an LED backlight liquid crystal display device. Referring to fig. 1-3, the LED backlight liquid crystal display device comprises a frame 1, wherein one end of the frame 1 is provided with a rear shell 4, the surface of the rear shell 4 is provided with a heat dissipation hole 6, the surface of the rear shell 4 is vertically provided with a first slot 5 on the upper and lower sides of the heat dissipation hole 6, one end of the heat dissipation hole 6 is provided with a dust blocking net 7, the dust blocking net 7 is made of plastic materials, the top end and the bottom end of the dust blocking net 7 are provided with convex clamping blocks, the cross section of each clamping block is equal to the cross section of the first slot 5, an LED backlight liquid crystal display 3 is assembled in the frame 1, and a mounting piece 8 is fixed at the position, far away from one end of the frame 1 and close to the bottom end, of the rear shell 4 and used for being connected with an external support; during the use, the air conditioning gets into in the frame 1 through louvre 6 to the air conditioning carries out simple filtration to the dust in the gas through keeping off dirt net 7, avoids the dust to get into in the frame 1.
Referring to fig. 1 to 6, a housing 2 is fixed at the top of one end of a frame 1, a rotating rod 13 is rotated in the housing 2, lifting ropes 10 are wound on two sides outside the rotating rod 13, the bottom ends of the lifting ropes 10 are located below the housing 2, connecting pieces 14 are mounted at the bottom ends of the lifting ropes 10, a cleaning plate 11 is rotatably mounted between the two connecting pieces 14, a micro-servomotor 9 is mounted on one side of the housing 2, an output shaft of the micro-servomotor 9 is fixedly connected with one side of the rotating rod 13, and the lifting ropes 10 are wound or unwound by rotation of the rotating rod 13. Cleaning cotton 12 is pressed and assembled in the cleaning plate 11, and the cleaning cotton 12 is firmly clamped in the cleaning plate 11 by self-expansion. One end of the cleaning cotton 12 is tightly attached to the LED backlight liquid crystal display 3; the surface of the frame 1 is provided with a chute 22, the connecting piece 14 is connected in the chute 22 in a sliding way, and the cross section of the chute 22 is T-shaped; the connecting piece 14 is close to the interior rotation of frame 1 one end and has ball 23, and connecting piece 14 moves along spout 22 to reduce frictional force through ball 23 effect, during the cleaning, start miniature servo motor 9, miniature servo motor 9 output just reverses the rotation of drive bull stick 13, bull stick 13 rotation is to carrying out expansion or rolling to lifting rope 10, and lifting rope 10 expansion and shrink in-process cleaning board 11 reciprocate together, nevertheless makes cleaning cotton 12 play the cleaning effect to LED backlight LCD 3 at cleaning board 11 reciprocates.
Referring to fig. 1-5, a second groove 21 is formed at the corner of one end of the frame 1, a connecting plate 17 rotates in the second groove 21, a first groove 16 is formed at two sides of two ends of the rear shell 4, the width of the first groove 16 is consistent with that of the connecting plate 17, and the second slot 20 and the first groove 16 have a hiding function on the connecting plate 17. The top and bottom of the connecting plate 17 are provided with bolts 19 in a sliding manner, one end of each bolt 19 in the connecting plate 17 is fixedly provided with a spring 18, one end of each spring 18 far away from each bolt 19 is fixed with the inner wall of the connecting plate 17, and the top and bottom of each groove I16 are provided with a slot II 20. One end of the bolt 19 is positioned outside the connecting plate 17, a poking plate 15 is fixed outside the bolt 19, an anti-skid groove is formed in the surface of the poking plate 15, and friction force between fingers and the poking plate 15 is increased; the anti-skid effect is achieved; when the frame 1 and the rear shell 4 are assembled, after the frame 1 and the rear shell 4 are placed firmly, the connecting plate 17 is rotated and the toggle plate 15 is pulled relatively, the connecting plate 17 is rotated into the first groove 16, the toggle plate 15 is loosened, and at the moment, the bolt 19 is reset and inserted into the second slot 20 under the action of the spring 18, so that the frame 1 and the rear shell 4 are fixedly installed.
The implementation principle of the LED backlight liquid crystal display device provided by the utility model is as follows:
firstly, during assembly, the LED backlight liquid crystal display 3 is assembled in the frame 1, the rear shell 4 is assembled on the back of the frame 1 in an extrusion mode, the connecting plate 17 is rotated and the toggle plate 15 is extruded relatively, after the connecting plate 17 is rotated and positioned in the groove I16, the toggle plate 15 is released, and at the moment, the bolt 19 is reset and inserted into the slot II 20 under the action of the spring 18 to fix the frame 1 and the rear shell 4.
Secondly, after long-term use, dust is accumulated on the surface of the LED backlight liquid crystal display 3, the miniature servo motor 9 is started at the moment, the output end of the miniature servo motor 9 positively rotates to drive the rotating rod 13 to rotate, the cleaning plate 11 downwards moves under the action of gravity, cleaning cotton 12 cleans the dust on the surface of the LED backlight liquid crystal display 3 in the moving process, and after the cleaning is completed, the cleaning plate 11 is reset to the original position.
Finally, during operation, heat in the frame 1 is exhausted through the heat dissipation holes 6, while dust is filtered through the dust blocking net 7 and does not enter the frame 1 through the heat dissipation holes 6.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)
1. An LED backlight liquid crystal display device comprising a frame (1), characterized in that: the LED backlight liquid crystal display comprises a frame (1), wherein a rear shell (4) is arranged at one end of the frame (1), a heat dissipation hole (6) is formed in the surface of the rear shell (4), an LED backlight liquid crystal display (3) is assembled in the frame (1), a groove II (21) is formed in the corner of one end of the frame (1), a connecting plate (17) is rotated in the groove II (21), a groove I (16) is formed in two sides of two ends of the rear shell (4), a bolt (19) is slid at the top end and the bottom end of the connecting plate (17), a spring (18) is fixedly assembled at one end of the inserting pin (19) located in the connecting plate (17), one end of the spring (18) is far away from the bolt (19) and the inner wall of the connecting plate (17) is fixed, and a slot II (20) is formed in the top end and the bottom end in the groove I (16).
2. The LED backlight liquid crystal display device of claim 1, wherein: the top of frame (1) one end is fixed with casing (2), the casing (2) internal rotation has bull stick (13), both sides winding have lifting rope (10) outside bull stick (13), and lifting rope (10) bottom is located casing (2) below, connecting piece (14) are installed to the bottom of lifting rope (10), rotate between two connecting pieces (14) and install clean board (11), miniature servo motor (9) are installed to casing (2) one side, and one side fixed connection of the output shaft and bull stick (13) of miniature servo motor (9), spout (22) have been seted up on frame (1) surface, connecting piece (14) sliding connection is in spout (22), connecting piece (14) are close to the rotation in frame (1) one end has ball (23).
3. The LED backlight liquid crystal display device of claim 2, wherein: cleaning cotton (12) is extruded and assembled in the cleaning plate (11), and one end of the cleaning cotton (12) is tightly attached to the LED backlight liquid crystal display (3).
4. The LED backlight liquid crystal display device of claim 1, wherein: the back shell (4) surface is put down on the louvre and is vertically offered slot one (5), louvre (6) one end is provided with dust blocking net (7), and dust blocking net (7) top and bottom have protruding fixture block, and the cross section of fixture block equals the cross section of slot one (5).
5. The LED backlight liquid crystal display device of claim 1, wherein: one end of the bolt (19) is positioned outside the connecting plate (17), and a toggle plate (15) is fixed outside the bolt (19).
6. The LED backlight liquid crystal display device of claim 1, wherein: the rear shell (4) is far away from one end of the frame (1) and is close to the bottom end, and a mounting piece (8) is fixed at the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321068516.0U CN219872013U (en) | 2023-05-06 | 2023-05-06 | LED backlight liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321068516.0U CN219872013U (en) | 2023-05-06 | 2023-05-06 | LED backlight liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872013U true CN219872013U (en) | 2023-10-20 |
Family
ID=88344103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321068516.0U Active CN219872013U (en) | 2023-05-06 | 2023-05-06 | LED backlight liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872013U (en) |
-
2023
- 2023-05-06 CN CN202321068516.0U patent/CN219872013U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |