CN115712223A - HUD backlight display device with independently-controlled light emitting units - Google Patents
HUD backlight display device with independently-controlled light emitting units Download PDFInfo
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- CN115712223A CN115712223A CN202211462079.0A CN202211462079A CN115712223A CN 115712223 A CN115712223 A CN 115712223A CN 202211462079 A CN202211462079 A CN 202211462079A CN 115712223 A CN115712223 A CN 115712223A
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- 238000009792 diffusion process Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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Abstract
The invention discloses a HUD backlight display device with independently controllable light-emitting units, which relates to the technical field of HUDs and provides the following scheme that a projection mechanism comprises a shell, wherein the inner wall of the shell is fixedly connected with a circuit board, the inner wall of the shell is fixedly connected with an LED board, the inner wall of the shell is fixedly connected with a lens, and the inner wall of the shell is fixedly provided with a diffusion film; according to the invention, the LED backlight at the position without displaying the graph is closed through the localdiming control circuit according to the display area, the LED immediately turns on when the graph or the font with display exists, only the displayed content is illuminated, and the area outside the display is turned off.
Description
Technical Field
The invention relates to the technical field of HUDs (head up display), in particular to a HUD backlight display device with independently controllable light emitting units.
Background
The HUD is called head-up display, also called head-up display system, mean to regard driver of vehicle as the center, blind operation, multi-functional instrument panel, its function, namely, important driving information such as speed per hour, navigation, etc., project to the windscreen in front of driver, make driver's possible to do not lower head, not turn around can see important driving information such as speed per hour, navigation, etc., its characteristic is that it is very high to the requirement of the luminance of the back light, the luminance of the back light that the conventional instrument displays is about 15000nits, because the back light of the traditional HUD is the whole bright of the clear color, and the back light source of HUD is basically the luminance of the million grades, so lead to high power and high fever when using, and HUD is basically only to display simple figure and some pattern, the disadvantage is greater than the advantage.
Disclosure of Invention
The invention provides a HUD backlight display device with independently controllable light-emitting units, which aims to overcome the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a HUD backlight display device with independently controllable light-emitting units comprises a projection mechanism, wherein the projection mechanism comprises a shell, a circuit board is fixedly connected to the inner wall of the shell, an LED board is fixedly connected to the inner wall of the shell, a lens is fixedly connected to the inner wall of the shell, a diffusion film is fixed to the inner wall of the shell, and an LCD screen is fixedly connected to the inner wall of the shell;
the protection mechanism is arranged at the top of the projection mechanism and comprises a plurality of cover plates;
the driving mechanism is arranged at one side position of the projection mechanism;
the cleaning mechanism is arranged at one side of the projection mechanism and comprises a wave plate;
further, projection mechanism still includes the fixed frame with casing top fixed connection, the top of circuit board is fixed with the connector, connector and circuit board electric connection, the inside at the casing is established to the connector cover, and projection mechanism passes through LCD display pattern, and according to LCD's display pattern, through the LED bright and go out of the control circuit dynamic drive LCD's of LED board display area, the LED that control LCD does not show typeface and figure department extinguishes, waits that the figure that has the demonstration or typeface have here LED can immediately be lighted again, only does the illumination for the content that LED shows, and the region outside the demonstration is that LED extinguishes.
Further, protection mechanism still includes fixed connection and is lapping inside axostylus axostyle, and is a plurality of rotate between the apron and connect, one side of fixed frame is run through and has been seted up spout one, spout two has been seted up to the inner wall of fixed frame, and is a plurality of the axostylus axostyle cover is established in the inside of spout one and spout two, is located one side the axostylus axostyle rotates with the inner wall of spout one and spout two to be connected, and protection mechanism passes through the screw rod and drives movable plate and axostylus axostyle removal, makes the apron tiling to the protection of LCD screen.
Furthermore, the protection mechanism further comprises an extension rod fixedly connected with one end of the shaft rod on the other side, a movable plate is fixedly connected with one end of the extension rod, the starting motor drives the screw rod to rotate so that the movable plate moves, the movable plate drives the extension rod and the shaft rod on the other side to move to flatten the folded cover plate, the LCD screen is separated, and the screen is prevented from being broken due to the fact that objects collide with the screen.
Further, actuating mechanism includes the motor fixed plate with fixed frame one side fixed connection, the inside of motor fixed plate is fixed with the motor, the output shaft end fixedly connected with screw rod of motor, one side fixedly connected with backup pad of fixed frame, the screw rod rotates to be connected in the inside of backup pad, and actuating mechanism drive protection mechanism removes and makes the apron open, drives the rubber scraper removal simultaneously and cleans the LCD screen.
Furthermore, clean mechanism still include with wave board one side fixed connection's connecting plate, one side and fixed frame fixed connection of connecting plate remove the in-process wave board and the shower nozzle contact of watering can to press along with the wave, spout the cleaning solution and clean the screen toward the LCD screen.
Further, clean mechanism still include with movable plate top fixed connection's diaphragm, the bottom fixedly connected with riser of diaphragm, one side fixedly connected with rubber scraper blade of riser.
Further, clean mechanism still include with diaphragm one side fixed connection place the board, the top cover of placing the board is equipped with the screw ring, the inside screw thread cover of screw ring is equipped with the watering can, the inside packing of watering can has the cleaning solution.
Further, clean mechanism is still including running through the feed chute of seting up at fixed frame opposite side, one side of casing is fixed with L type rack, the inside cover of L type rack is equipped with in the dirt box, the inside of fixed frame communicates with each other with the dirt box through silo and dirt box down, at the in-process diaphragm that removes, places board and watering can and remove, the watering can removes to contact wave board and can constantly press the shower nozzle, toward LCD screen surface spraying cleaning solution, the diaphragm drives riser and rubber scraper and removes simultaneously, the rubber scraper removes scrapes the dust to LCD screen surface toward one side to surperficial cleaning solution and cleans, then pushes away the silo down with the dirt, then in the feed chute leaks into the dirt box.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the projection mechanism is installed, the projection mechanism displays a graph through the LCD, the LED of the display area of the LCD is dynamically driven to be on and off through the control circuit of the localdiming of the LED plate according to the display graph of the LCD, the LED of the LCD where no font and the graph are displayed is controlled to be off, the LED can be immediately on when the displayed graph or the font exists, only the content displayed by the LED is illuminated, and the area outside the display is off.
2. According to the invention, the protection mechanism, the driving mechanism and the cleaning mechanism are installed, the protection mechanism drives the movable plate and the shaft lever to move through the screw rod, the cover plate is tiled to protect the LCD screen, the driving mechanism drives the protection mechanism to move to open the cover plate, meanwhile, the rubber scraper blade is driven to move to clean the LCD screen, and the cleaning mechanism sprays cleaning liquid onto the LCD screen through the wave plate and the sprinkling can to clean the screen.
To sum up, the device is novel in design and simple to operate, the device closes the LED backlight at the position where no graph is displayed through the localdiming control circuit according to the display area, the LED immediately lights when the graph or font displayed is displayed, the displayed content is only illuminated, the area outside the display is that the LED is turned off, the device greatly reduces the power by closing the unnecessary backlight, the heating is reduced, the device is more environment-friendly, the device is used for ensuring the illumination effect, the device is protected when not used, the damage of the device is avoided, and the device also has the automatic cleaning function, and the projection effect is ensured.
Drawings
Fig. 1 is a schematic view of a first three-dimensional structure of an HUD backlight display device with independently controllable light-emitting units according to the present invention;
FIG. 2 is a schematic diagram of a second three-dimensional structure of an independently controllable HUD backlight display device according to the present invention;
FIG. 3 is a third schematic perspective view of a HUD backlight display device with independently controllable light-emitting units according to the present invention;
FIG. 4 is a schematic diagram of a fourth three-dimensional structure of an HUD backlight display device with independently controllable light-emitting units according to the present invention;
FIG. 5 is a schematic cross-sectional three-dimensional structure diagram of an HUD backlight display device with independently controllable light-emitting units according to the present invention;
fig. 6 is an enlarged schematic diagram of a portion a in fig. 5 of a HUD backlight display device with independently controllable light-emitting units according to the present invention.
In the figure: 1. a projection mechanism; 11. a housing; 12. a fixing frame; 13. an LCD screen; 14. a circuit board; 15. an LED panel; 16. a lens; 17. a diffusion membrane; 18. a connector; 2. a protection mechanism; 21. a first sliding chute; 22. a second chute; 23. a shaft lever; 24. a cover plate; 25. moving the plate; 3. a drive mechanism; 31. a motor fixing plate; 32. a motor; 33. a screw; 34. a support plate; 4. a cleaning mechanism; 41. a connecting plate; 42. a wave plate; 43. a threaded ring; 44. a watering can; 45. a vertical plate; 46. a rubber blade; 47. a transverse plate; 48. an L-shaped placing rack; 49. a dirt box.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1
Referring to FIGS. 1-3: a HUD backlight display device with independently controllable light emitting units comprises a projection mechanism 1, wherein the projection mechanism 1 comprises a shell 11, a circuit board 14 is fixedly connected to the inner wall of the shell 11, an LED board 15 is fixedly connected to the inner wall of the shell 11, a lens 16 is fixedly connected to the inner wall of the shell 11, a diffusion film 17 is fixed to the inner wall of the shell 11, an LCD screen 13 is fixedly connected to the inner wall of the shell 11, the circuit board 14 is electrically connected with the LCD screen, and the circuit board is electrically connected with the LED board;
the protection mechanism 2 is arranged at the top position of the projection mechanism 1, and the protection mechanism 2 comprises a plurality of cover plates 24;
the driving mechanism 3, the driving mechanism 3 is installed in a position of one side of the projection mechanism 1;
the cleaning mechanism 4, the cleaning mechanism 4 is installed in a position of one side of the projection mechanism 1, the cleaning mechanism 4 includes a wave plate 42;
the projection mechanism 1 further comprises a fixing frame 12 fixedly connected with the top of the shell 11, a connector 18 is fixed on the top of the circuit board 14, the connector 18 is electrically connected with the circuit board 14, the connector 18 is sleeved inside the shell 11, the projection mechanism 1 displays a graph through an LCD, according to the display graph of the LCD, an LED of a display area of the LCD is dynamically driven to be on and off through a control circuit of a localdiming of the LED board, the LED of the LCD is controlled not to display a font and the LED of the graph is controlled to be off, the LED can be immediately on when the graph or the font displayed is displayed, only the content displayed by the LED is illuminated, and the area outside the display is the LED off;
the protection mechanism 2 further comprises a shaft lever 23 fixedly connected inside the cover plates 24, the cover plates 24 are rotatably connected, one side of the fixed frame 12 is provided with a first sliding groove 21 in a penetrating mode, the inner wall of the fixed frame 12 is provided with a second sliding groove 22, the shaft levers 23 are sleeved inside the first sliding groove 21 and the second sliding groove 22 in a sleeving mode, the shaft lever 23 located on one side is rotatably connected with the inner walls of the first sliding groove 21 and the second sliding groove 22, and the protection mechanism 2 drives the moving plate and the shaft lever to move through a screw rod to enable the cover plates to be tiled to protect the LCD screen;
the protection mechanism 2 further comprises an extension rod fixedly connected with one end of the shaft rod 23 on the other side, a movable plate 27 is fixedly connected with one end of the extension rod, the screw 33 is driven by the starting motor 32 to rotate to enable the movable plate 25 to move, the movable plate 25 drives the extension rod and the shaft rod 23 on the other side to move to lay the folded cover plate 24 flat, the LCD screen is blocked, and the phenomenon that objects collide with the screen to cause the screen to be broken is avoided;
actuating mechanism 3 includes motor fixed plate 31 with fixed frame 12 one side fixed connection, and the inside of motor fixed plate 31 is fixed with motor 32, and the output shaft end fixedly connected with screw rod 33 of motor 32, one side fixedly connected with backup pad 34 of fixed frame 12, and screw rod 33 rotate to be connected in the inside of backup pad 34, and actuating mechanism 3 drive protection mechanism 2 removes and makes the apron open, drives the rubber scraper removal simultaneously and cleans the LCD screen.
Example 2
Referring to FIGS. 2-6: the embodiment provides a technical scheme on the basis of the first embodiment: the cleaning mechanism 4 further comprises a connecting plate 41 fixedly connected with one side of the wave plate 42, one side of the connecting plate 41 is fixedly connected with the fixed frame 12, the wave plate 42 is in contact with a spray head of the spray can 44 in the moving process, and cleaning liquid is sprayed onto the LCD screen to clean the screen along with the pressing of waves;
the cleaning mechanism 4 further comprises a transverse plate 47 fixedly connected with the top of the moving plate 27, the bottom of the transverse plate 47 is fixedly connected with a vertical plate 45, and one side of the vertical plate 45 is fixedly connected with a rubber scraper 46;
the cleaning mechanism 4 further comprises a placing plate fixedly connected with one side of the transverse plate 47, a threaded ring 43 is sleeved on the top of the placing plate, a spraying pot 44 is sleeved on the inner thread of the threaded ring 43, and cleaning liquid is filled in the spraying pot 44;
the cleaning mechanism 4 further comprises a discharging groove formed in the other side of the fixing frame 12 in a penetrating mode, an L-shaped placing frame 48 is fixed on one side of the shell 11, a dirt box 49 is sleeved inside the L-shaped placing frame 48, the inside of the fixing frame 12 is communicated with the dirt box 49 through the discharging groove, the transverse plate 47, the placing plate and the spraying pot 44 move in the moving process, the spraying pot 44 moves to contact with the wave plate 42 and continuously presses the spraying head to spray cleaning liquid to the surface of the LCD 13, meanwhile, the transverse plate 47 drives the vertical plate 45 and the rubber scraper 46 to move, the rubber scraper 46 moves to clean dust on the surface of the LCD 13 by scraping the cleaning liquid to one side, then the dirt is pushed to the discharging groove, and then the dirt leaks into the dirt box 49 from the discharging groove.
The working principle is as follows: when the LCD displays the graph, according to the display graph of the LCD, the LED of the display area of the LCD is dynamically driven to turn on and off through a control circuit of a localdiming of the LED plate, the LED which does not display the character and the graph is controlled to turn off, the LED which displays the graph or the graph can immediately turn on when the graph or the character is displayed, only the content displayed by the LED is illuminated, the area outside the display is that the LED is turned off, when the equipment is not used, the motor 32 is started to drive the screw 33 to rotate so that the movable plate 25 moves, the movable plate 25 drives the extension rod and the shaft rod 23 at the other side to move to flatten the folded cover plate 24, the LCD screen is shielded, objects are prevented from colliding with the screen and breaking, the transverse plate 47, the placing plate and the spraying pot 44 move in the moving process, the spraying pot 44 is in contact with the wave plate 42 to continuously press the spraying head, cleaning liquid is sprayed on the surface of the LCD 13, meanwhile, the transverse plate 47 drives the vertical plate 45 and the rubber scraper 46 to move, and the rubber scraper 46 moves to scrape the dirt on the side to clean the surface of the LCD screen 13, and then pushes the dirt into a chute from the blanking box.
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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The HUD backlight display device with the independently-controlled light-emitting units comprises a projection mechanism (1) and is characterized in that the projection mechanism (1) comprises a shell (11), a circuit board (14) is fixedly connected to the inner wall of the shell (11), an LED board (15) is fixedly connected to the inner wall of the shell (11), a lens (16) is fixedly connected to the inner wall of the shell (11), a diffusion film (17) is fixed to the inner wall of the shell (11), and an LCD screen (13) is fixedly connected to the inner wall of the shell (11);
the protection mechanism (2), the protection mechanism (2) is installed at the top position of the projection mechanism (1), and the protection mechanism (2) comprises a plurality of cover plates (24);
the driving mechanism (3), the said driving mechanism (3) is installed in one side position of the projection mechanism (1);
the cleaning mechanism (4) is installed at one side of the projection mechanism (1), and the cleaning mechanism (4) comprises a wave plate (42).
2. A HUD backlight display device with independently controllable light-emitting units according to claim 1, wherein the projection mechanism (1) further comprises a fixing frame (12) fixedly connected with the top of the casing (11), the top of the circuit board (14) is fixed with a connector (18), the connector (18) is electrically connected with the circuit board (14), and the connector (18) is sleeved in the casing (11).
3. The HUD backlight display device with the independently controllable light-emitting units according to claim 2, wherein the protection mechanism (2) further comprises a shaft rod (23) fixedly connected inside the cover plate (24), the cover plates (24) are rotatably connected with each other, a first sliding groove (21) is formed in one side of the fixing frame (12) in a penetrating mode, a second sliding groove (22) is formed in the inner wall of the fixing frame (12), the shaft rods (23) are sleeved inside the first sliding groove (21) and the second sliding groove (22), and the shaft rod (23) is rotatably connected with the inner walls of the first sliding groove (21) and the second sliding groove (22) on one side.
4. A HUD backlight display device with independently controllable light-emitting units according to claim 3, characterized in that the protection mechanism (2) further comprises an extension rod fixedly connected with one end of the other side shaft rod (23), and one end of the extension rod is fixedly connected with a moving plate (27).
5. A HUD backlight display device with independently controllable light emitting units according to claim 4, characterized in that the driving mechanism (3) comprises a motor fixing plate (31) fixedly connected with one side of the fixing frame (12), a motor (32) is fixed inside the motor fixing plate (31), a screw (33) is fixedly connected with an output shaft end of the motor (32), a supporting plate (34) is fixedly connected with one side of the fixing frame (12), and the screw (33) is rotatably connected inside the supporting plate (34).
6. An HUD backlight display device with independently controllable lighting units according to claim 5, characterized in that the cleaning mechanism (4) further comprises a connecting plate (41) fixedly connected with one side of the wave plate (42), and one side of the connecting plate (41) is fixedly connected with the fixed frame (12).
7. A HUD backlight display device with independently controllable lighting units according to claim 6, characterized in that the cleaning mechanism (4) further comprises a horizontal plate (47) fixedly connected with the top of the moving plate (27), the bottom of the horizontal plate (47) is fixedly connected with a vertical plate (45), and one side of the vertical plate (45) is fixedly connected with a rubber scraper (46).
8. A HUD backlight display device with independently controllable light emitting units according to claim 7, characterized in that the cleaning mechanism (4) further comprises a placing plate fixedly connected with one side of the horizontal plate (47), a threaded ring (43) is sleeved on the top of the placing plate, a watering can (44) is sleeved on the inner thread of the threaded ring (43), and the interior of the watering can (44) is filled with cleaning liquid.
9. The HUD backlight display device with independently controllable light emitting units according to claim 8, wherein the cleaning mechanism (4) further comprises a feeding trough penetrating the other side of the fixed frame (12), an L-shaped placing frame (48) is fixed on one side of the housing (11), a dirt box (49) is sleeved inside the L-shaped placing frame (48), and the inside of the fixed frame (12) is communicated with the dirt box (49) through the feeding trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462079.0A CN115712223A (en) | 2022-11-17 | 2022-11-17 | HUD backlight display device with independently-controlled light emitting units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462079.0A CN115712223A (en) | 2022-11-17 | 2022-11-17 | HUD backlight display device with independently-controlled light emitting units |
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| Publication Number | Publication Date |
|---|---|
| CN115712223A true CN115712223A (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211462079.0A Pending CN115712223A (en) | 2022-11-17 | 2022-11-17 | HUD backlight display device with independently-controlled light emitting units |
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| Country | Link |
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| CN (1) | CN115712223A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213690176U (en) * | 2020-12-15 | 2021-07-13 | 东莞市海显光电科技有限公司 | Backlight source with protection function |
| CN113838430A (en) * | 2021-10-27 | 2021-12-24 | 北京乐驾科技有限公司 | HUD backlight control system, method, electronic device and storage medium |
| CN113926782A (en) * | 2021-11-11 | 2022-01-14 | 国网安徽省电力有限公司淮北供电公司 | Intelligent terminal equipment with protection function and use method thereof |
| CN215577457U (en) * | 2021-05-20 | 2022-01-18 | 永林电子股份有限公司 | LED digital display screen |
| CN114613283A (en) * | 2022-02-17 | 2022-06-10 | 李勇敢 | Outdoor LED screen capable of being cleaned independently |
-
2022
- 2022-11-17 CN CN202211462079.0A patent/CN115712223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213690176U (en) * | 2020-12-15 | 2021-07-13 | 东莞市海显光电科技有限公司 | Backlight source with protection function |
| CN215577457U (en) * | 2021-05-20 | 2022-01-18 | 永林电子股份有限公司 | LED digital display screen |
| CN113838430A (en) * | 2021-10-27 | 2021-12-24 | 北京乐驾科技有限公司 | HUD backlight control system, method, electronic device and storage medium |
| CN113926782A (en) * | 2021-11-11 | 2022-01-14 | 国网安徽省电力有限公司淮北供电公司 | Intelligent terminal equipment with protection function and use method thereof |
| CN114613283A (en) * | 2022-02-17 | 2022-06-10 | 李勇敢 | Outdoor LED screen capable of being cleaned independently |
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Application publication date: 20230224 |