CN220441179U - Dustproof liquid crystal display - Google Patents
Dustproof liquid crystal display Download PDFInfo
- Publication number
- CN220441179U CN220441179U CN202322217737.6U CN202322217737U CN220441179U CN 220441179 U CN220441179 U CN 220441179U CN 202322217737 U CN202322217737 U CN 202322217737U CN 220441179 U CN220441179 U CN 220441179U
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- China
- Prior art keywords
- display screen
- liquid crystal
- crystal display
- screen body
- fixedly connected
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a dustproof liquid crystal display screen, which comprises a front protective frame and a rear protective cover, wherein a display screen body is fixed between the front protective frame and the rear protective cover, and radiating holes are symmetrically formed in the rear side wall of the rear protective cover; according to the utility model, the temperature sensor is used for detecting whether the working temperature of the rear protective cover is too high or not so as to sense whether the working temperature of the display screen body is too high, and the heat dissipation fan is started to work and radiate and ventilate the interior of the rear protective cover when the temperature is detected to be too high, so that intelligent and effective heat dissipation of the display screen body is realized, and further, the normal work of each circuit part on the display screen body is ensured.
Description
Technical Field
The utility model relates to the technical field of liquid crystal display screens, in particular to a dustproof liquid crystal display screen.
Background
The liquid crystal display screen, english called LCD, liquid Crystal Display, is one kind of planar display for TV set and computer, and has the advantages of low power consumption, small size and low radiation.
For example, the patent of application number 202121407011.3 discloses an ultra-thin dustproof liquid crystal display of high strength, including display screen body, first protective housing and second protective housing are one end open-ended cavity structure, the display screen body is located between first protective housing and the second protective housing, rectangular hole has been seted up to one side inner wall of second protective housing, one side inner wall fixedly connected with a plurality of elastic support plates of first protective housing, a plurality of louvres have been seted up to one side inner wall of first protective housing, be equipped with the dust screen in the louvre.
Based on the discovery in the prior art, current liquid crystal display most structure singleness can only prevent that external dust from carrying out inside the display through setting up the dust screen, but can not carry out effective dustproof to the display surface, lead to the display surface to influence user's viewing experience because of being infected with more dust easily, use inconvenient, and current liquid crystal display most does not possess intelligent heat dissipation function, can not effectively dispel the heat when the display temperature is too high, influence the normal work of each circuit part in the display easily, the practicality is not high, therefore, the utility model provides a dustproof liquid crystal display and is used for solving the problem that exists among the prior art.
Disclosure of Invention
The utility model aims to solve the problems that the surface of the existing liquid crystal display cannot be effectively dustproof, so that the watching experience of a user is easily affected due to the fact that the surface of the display is stained with more dust, and the liquid crystal display does not have an intelligent heat dissipation function and cannot effectively dissipate heat when the temperature of the display is too high.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a dustproof LCD screen, includes preceding protection frame and rear protective cover, be fixed with the display screen body between preceding protection frame and the rear protective cover, the louvre has been seted up to rear protective cover back lateral wall symmetry, the louvre inboard is fixed with the dust filtering net, rear protective cover inboard symmetry is equipped with the radiator fan that corresponds with the louvre, rear protective cover rear side inner wall intermediate position is fixed with the temperature sensor with radiator fan electric connection, preceding protection frame front side is fixed with the storage frame, the inside both sides of storage frame all are equipped with the lead screw through micro motor drive rotation, threaded block has been cup jointed to the screw thread on the lead screw, two sets of demountable installation has the elevating seat between the threaded block, the sponge soft wipe is installed in the one side gomphosis that the elevating seat is close to the display screen body.
The further improvement is that: the lower part of the screw rod is fixedly sleeved with a belt pulley, two groups of belt pulleys are jointly sleeved with a transmission belt, and the output end of the miniature motor penetrates into the storage frame through a bearing and is fixedly connected with one screw rod of the two groups of screw rods.
The further improvement is that: the lifting seat is characterized in that mounting plates are connected to two ends of the lifting seat through spring telescopic pieces, inserting columns are symmetrically fixed on one side, away from the lifting seat, of the mounting plates, and insertion holes matched with the inserting columns are symmetrically formed on one side, close to the mounting plates, of the threaded blocks.
The further improvement is that: the spring expansion piece comprises an expansion pipe fixedly connected with the lifting seat and an expansion rod fixedly connected with the threaded block, and one end of the expansion rod positioned in the expansion pipe is fixedly connected with the inner side wall of the expansion pipe through a limiting spring.
The further improvement is that: the upper side and the lower side of the cooling fan are respectively provided with a supporting block fixedly welded on the inner wall of the rear side of the rear protective cover, and the cooling fan is fixedly connected between the two groups of supporting blocks through a connecting rod.
The further improvement is that: the front protection frame is fixedly connected with the rear protection cover through bolts, and L-shaped limiting blocks which are in conflict with the display screen body are fixed on the upper inner wall and the lower inner wall of the rear protection cover through bolts.
The beneficial effects of the utility model are as follows: the intelligent display screen comprises a front protection frame and a rear protection cover, the temperature inside the rear protection cover is detected through the temperature sensor to sense whether the working temperature of the display screen body is too high, and when the temperature is detected to be too high, the heat dissipation fan is started to work and conduct heat dissipation and ventilation on the inside of the rear protection cover, so that intelligent and effective heat dissipation on the display screen body is achieved, normal work of all circuit components on the display screen body is further guaranteed, the practicability is higher, the two groups of screw rods are driven to rotate through the micro motor, the threaded blocks sleeved on the screw rods drive the lifting seat to lift, and sponge soft wiper is driven to clean dust on the front face of the display screen body in the lifting process, so that dust prevention on the surface of the display screen body is achieved, the fact that the watching experience of a user is affected due to the fact that much dust is stained on the display screen body is avoided, and the use is convenient.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a side cross-sectional view of the present utility model;
FIG. 3 is a front cross-sectional view of the receiving basket of the present utility model;
FIG. 4 is an enlarged view of the utility model at A;
fig. 5 is a cross-sectional view of a spring telescoping member of the present utility model.
Wherein: 1. a front protective frame; 2. a rear protective cover; 3. a display screen body; 4. a heat radiation hole; 5. a heat radiation fan; 6. a temperature sensor; 7. a storage frame; 8. a micro motor; 9. a screw rod; 10. a screw block; 11. a lifting seat; 12. soft sponge wiping; 13. a belt pulley; 14. a mounting plate; 15. inserting a column; 16. a telescopic tube; 17. a telescopic rod; 18. a limit spring; 19. a support block; 20. an L-shaped limiting block.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
According to the figures 1, 2, 3, 4 and 5, the embodiment provides a dustproof liquid crystal display, which comprises a front protection frame 1 in a shape like a Chinese character 'hui' and a rear protection cover 2 fixed on the front surface of the front protection frame 1 through bolts, a display screen body 3 for users to watch is also fixed between the front protection frame 1 and the rear protection cover 2, an opening on the front protection frame 1 is matched with the display screen body 3 in size, a radiating hole 4 which is vertically symmetrically distributed is arranged on the rear side wall of the rear protection cover 2, a dust filtering net for preventing external dust from entering the rear protection cover 2 is fixed on the inner side of the radiating hole 4, a radiating fan 5 is also arranged on the inner side of the rear protection cover 2, two groups of radiating fans 5 are arranged at positions corresponding to the positions of the radiating holes 4, a temperature sensor 6 is fixed on the middle position of the inner wall of the rear side of the rear protection cover 2 through bolts, the temperature sensor 6 is electrically connected with a PLC control system of the liquid crystal display, for starting the cooling fan 5 to work when detecting that the temperature inside the rear protective cover 2 is higher than a preset value, detecting the temperature inside the rear protective cover 2 through the temperature sensor 6 to sense whether the working temperature of the display screen body 3 is too high, starting the cooling fan 5 to work and carrying out cooling ventilation on the inside of the rear protective cover 2 when detecting that the temperature is too high, thereby realizing intelligent and effective cooling of the display screen body 3, further ensuring the normal work of each circuit component on the display screen body 3, the front side of the front protective frame 1 is fixedly provided with the storage frame 7 through bolts, the front side of the storage frame 7 is designed as an opening, the bottom end of the storage frame 7 is fixedly provided with the micro motor 8 through bolts, the left side and the right side inside of the storage frame 7 are rotatably connected with the screw rod 9 through bearings, the output end of the micro motor 8 penetrates into the storage frame 7 through the bearings and is fixedly connected with the screw rod 9 at the left side, the screw blocks 10 are sleeved on the two groups of screw rods 9 in a threaded manner, the lifting seat 11 is detachably arranged between the two groups of screw blocks 10, the sponge soft wiper 12 which is in contact with the front surface of the display screen body 3 is embedded on one side, close to the display screen body 3, of the lifting seat 11, the two groups of screw rods 9 are driven to rotate through the micro motor 8, the screw blocks 10 sleeved on the two groups of screw rods 9 drive the lifting seat 11 to lift, and the sponge soft wiper 12 is driven to clean dust on the front surface of the display screen body 3 in the lifting process, so that dust is prevented from being on the surface of the display screen body 3, and the watching experience of a user is prevented from being influenced by being infected with more dust.
The lower parts of the two groups of screw rods 9 are fixedly sleeved with belt pulleys 13, the two groups of belt pulleys 13 are jointly sleeved with a transmission belt, the left screw rod 9 is driven to rotate by the micro motor 8, and the right screw rod 9 is driven to simultaneously rotate by the cooperation of the belt pulleys 13 and the transmission belt when the left screw rod 9 rotates, so that the thread block 10 is lifted and lowered on the screw rod 9.
Both ends all are connected with mounting panel 14 through the spring expansion piece that possesses elastic expansion function about lifting seat 11, and one side that lifting seat 11 was kept away from to mounting panel 14 is fixed with and is about symmetrical distribution's spliced pole 15, and screw thread piece 10 is close to one side of mounting panel 14 offered the jack with spliced pole 15 adaptation, inserts the demountable installation of lifting seat 11 between two sets of screw thread pieces 10 through spliced pole 15 and realizes being convenient for change sponge soft wiper 12.
The spring expansion piece comprises an expansion pipe 16 and an expansion rod 17 which is connected to the inner side of the expansion pipe 16 in a sliding manner, wherein the expansion pipe 16 is fixedly connected with the lifting seat 11, one end of the expansion rod 17, which is positioned on the outer wall of the expansion pipe 16, is fixedly connected with the threaded block 10, one end of the expansion rod 17, which is positioned in the expansion pipe 16, is fixedly connected with a limiting spring 18, one end of the limiting spring 18, which is far away from the expansion rod 17, is fixedly connected with the inner wall, which is close to one side of the lifting seat 11, of the expansion pipe 16, and the elastic force is provided for the expansion rod 17 through the limiting spring 18, so that the spring expansion piece has an elastic expansion function and can jack the inserting column 15 into an inserting hole in a natural state.
The upper and lower both sides of radiator fan 5 all are equipped with supporting shoe 19, and supporting shoe 19 fixed welding is in rear protective cover 2 rear side inner wall, and radiator fan 5 upper and lower both ends pass through the connecting rod respectively and two sets of supporting shoe 19 fixed connection.
The upper and lower inner walls of the rear protective cover 2 are fixed with L-shaped limiting blocks 20 through bolts, and the L-shaped limiting blocks 20 are abutted against the display screen body 3 and used for limiting and fixing the display screen body 3 by the front protective frame 1.
When the dustproof liquid crystal display is used, the temperature sensor 6 is used for detecting the temperature inside the rear protective cover 2, when the temperature inside the rear protective cover 2 is detected to be higher than a preset value, the working temperature of the display screen body 3 is excessively high, and at the moment, the cooling fan 5 is started to work and perform cooling and ventilation on the inside of the rear protective cover 2, so that effective cooling of the display screen body 3 is realized;
when the front of the display screen body 3 is stained with dust due to contact with the outside, the micro motor 8 is started to drive the two groups of screw rods 9 to rotate, the threaded block 10 sleeved with threads on the two groups of screw rods 9 drives the lifting seat 11 to lift, the sponge soft wiper 12 is driven to clean dust on the front of the display screen body 3 in the lifting process, surface dust prevention is achieved, the micro motor 8 is started to drive the lifting seat 11 to lift to the top end inside the storage frame 7 after dust cleaning is finished, storage is achieved, and user watching is prevented from being influenced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A dustproof liquid crystal display, characterized in that: including preceding protection frame (1) and rear protection cover (2), be fixed with display screen body (3) between preceding protection frame (1) and rear protection cover (2), heat dissipation hole (4) have been seted up to rear protection cover (2) back lateral wall symmetry, heat dissipation hole (4) inboard is fixed with the dust filtering net, rear protection cover (2) inboard symmetry is equipped with radiator fan (5) corresponding with heat dissipation hole (4) position, rear protection cover (2) rear side inner wall intermediate position is fixed with temperature sensor (6) with radiator fan (5) electric connection, preceding protection frame (1) front side is fixed with accomodates frame (7), accomodate frame (7) inside both sides all are equipped with screw rod (9) through micro motor (8) drive rotation, screw rod (9) are gone up the screw thread piece (10) have been cup jointed, two sets of detachable between screw rod (10) install elevating socket (11), elevating socket (11) are close to one side gomphosis of display screen body (3) and install sponge and wipe (12).
2. A dustproof liquid crystal display according to claim 1, wherein: the lower part of the screw rod (9) is fixedly sleeved with a belt pulley (13), two groups of belt pulleys (13) are jointly sleeved with a transmission belt, and the output end of the miniature motor (8) penetrates into the storage frame (7) through a bearing and is fixedly connected with one screw rod (9) of the two groups of screw rods (9).
3. A dustproof liquid crystal display according to claim 1, wherein: the lifting seat is characterized in that mounting plates (14) are connected to two ends of the lifting seat (11) through spring telescopic pieces, inserting columns (15) are symmetrically fixed on one side, away from the lifting seat (11), of the mounting plates (14), and insertion holes matched with the inserting columns (15) are symmetrically formed in one side, close to the mounting plates (14), of the threaded block (10).
4. A dustproof liquid crystal display according to claim 3, wherein: the spring expansion piece comprises an expansion pipe (16) fixedly connected with the lifting seat (11) and an expansion rod (17) fixedly connected with the threaded block (10), and one end of the expansion rod (17) positioned in the expansion pipe (16) is fixedly connected with the inner side wall of the expansion pipe (16) through a limiting spring (18).
5. A dustproof liquid crystal display according to claim 1, wherein: the upper side and the lower side of the cooling fan (5) are respectively provided with a supporting block (19) fixedly welded on the inner wall of the rear side of the rear protective cover (2), and the cooling fan (5) is fixedly connected between the two groups of supporting blocks (19) through a connecting rod.
6. A dustproof liquid crystal display according to claim 1, wherein: the front protection frame (1) is fixedly connected with the rear protection cover (2) through bolts, and L-shaped limiting blocks (20) which are in interference with the display screen body (3) are fixedly arranged on the upper inner wall and the lower inner wall of the rear protection cover (2) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217737.6U CN220441179U (en) | 2023-08-17 | 2023-08-17 | Dustproof liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217737.6U CN220441179U (en) | 2023-08-17 | 2023-08-17 | Dustproof liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220441179U true CN220441179U (en) | 2024-02-02 |
Family
ID=89695344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322217737.6U Active CN220441179U (en) | 2023-08-17 | 2023-08-17 | Dustproof liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220441179U (en) |
-
2023
- 2023-08-17 CN CN202322217737.6U patent/CN220441179U/en active Active
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