Dustproof vehicle-mounted LED liquid crystal display screen

Abstract

The utility model relates to the technical field of vehicle liquid crystal display screens, and discloses a dustproof vehicle-mounted LED liquid crystal display screen which comprises a device shell, a plurality of installation strips are fixedly connected to the left end and the right end of the outer wall of the device shell, an LED display screen is installed on the inner wall of the device shell, and a rotating rod is rotationally connected to the top end of the inner wall of the device shell. A shielding and pulling plate is fixedly connected to the outer wall of the rotating rod, a cleaning brush is connected to the bottom end of the outer wall of the shielding and pulling plate through a dustproof assembly, a driving motor is fixedly connected to the front side of the top end of the inner wall of the device shell, a threaded rod is fixedly connected to the driving end of the driving motor, and a heat dissipation shell is fixedly connected to the rear end of the device shell. According to the LED display screen, the dustproof effect of the device is improved, dust is prevented from being accumulated on the surface or inside the display screen to affect the display effect, the temperature inside the LED display screen is reduced, overheating is prevented, and therefore the service life of the LED display screen and electronic elements inside the LED display screen is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted liquid crystal display screens, in particular to a dustproof vehicle-mounted LED liquid crystal display screen. Background Art

[0002] Dust-proof vehicle-mounted LED LCD screen refers to a display device designed specifically for vehicles. It has good dust-proof performance and can provide high-quality image display in the car. This type of display usually uses LED as the backlight source and liquid crystal technology to display images. They are widely used in car navigation systems, entertainment multimedia systems, rear-view camera displays, instrument panel displays, etc.

[0003] After searching, the announcement number CN219192097U is a vehicle-mounted display screen with an embedded surveillance camera, including a vehicle-mounted display screen body, a perforation is opened on the upper middle side of the front end of the vehicle-mounted display screen body, a dustproof mechanism is fixedly connected to the upper middle side of the front end of the vehicle-mounted display screen body, a control button is arranged on the upper right side of the front end of the vehicle-mounted display screen body, a motor is fixedly connected to the upper side of the inner rear wall of the vehicle-mounted display screen body, a threaded rod is fixedly connected to the output end of the motor, and a slider No. 1 is movably connected to the outer surface of the threaded rod. The vehicle-mounted display screen with an embedded surveillance camera described in the utility model can make video calls through the surveillance camera, and can also shoot videos inside the car. After use, it can be retracted into the vehicle-mounted display screen body for storage, and external dust can be prevented from entering the vehicle-mounted display screen body through the perforation, which can increase the service life of the vehicle-mounted display screen body.

[0004] Based on the above patent, the motor is started by controlling the button, and the threaded rod is electrically driven to rotate, and the threaded rod drives the No. 1 slider to slide forward, and at the same time, the No. 2 slider slides forward on the fixed rod, and the No. 1 slider drives the monitoring camera body to slide forward through the support block, so that the lens end of the monitoring camera is exposed through the perforation, so that the vehicle-mounted display screen can make video calls through the monitoring camera, and can also shoot videos inside the car. After use, it can be retracted into the vehicle-mounted display screen body for storage, and the dustproof mechanism is set in front of the perforation, and the sealing plate is slid to the left. At the same time, the two No. 3 sliders slide in the two slide grooves respectively, and the card strip is connected to the card slot, so that the sealing plate can seal the perforation to prevent external dust from entering the interior of the vehicle-mounted display screen body from the perforation, which can increase the service life of the vehicle-mounted display screen body. However, the sealing strip used in the patent has limited protective effect on the display screen body, resulting in poor dustproof effect of the device, causing dust to accumulate on the surface or inside of the display screen, which may cause display screen interference, spots, blur or shadows, etc., reducing the display clarity and visual effect.

[0005] Therefore, in view of the problems that the existing vehicle-mounted LED liquid crystal display screens have poor dustproof effect and poor heat dissipation effect, a vehicle-mounted LED liquid crystal display screen that solves the above problems is needed. Utility Model Content

[0006] In order to solve the problems of poor dustproof effect and poor heat dissipation effect of vehicle-mounted LED liquid crystal display screens in the prior art, the present application provides a dustproof vehicle-mounted LED liquid crystal display screen.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A dustproof vehicle-mounted LED liquid crystal display screen comprises a device shell, a plurality of mounting strips are fixedly connected to the left and right ends of the outer wall of the device shell, an LED display screen is installed on the inner wall of the device shell, a rotating rod is rotatably connected to the top end of the inner wall of the device shell, a pull-out plate is fixedly connected to the outer wall of the rotating rod, a cleaning brush is connected to the bottom end of the outer wall of the pull-out plate through a dustproof component, a driving motor is fixedly connected to the front side of the top end of the inner wall of the device shell, a threaded rod is fixedly connected to the driving end of the driving motor, a heat dissipation shell is fixedly connected to the rear end of the device shell, and a circulating fan is connected to the left and right ends of the inner wall of the heat dissipation shell through a heat dissipation component.

[0009] As a further improvement of the present invention, the dustproof component includes a connecting frame threadedly connected to the outer wall of the threaded rod, the inner wall of the cleaning brush is fixedly connected to a transmission rod, the left and right ends of the outer wall of the transmission rod are fixedly connected to transmission gears, and the outer diameter of the transmission gear is meshed with a straight tooth plate.

[0010] As a further improvement of the present invention, the heat dissipation assembly includes air inlet holes opened on both sides of the rear end of the heat dissipation shell, dust filters are fixedly connected to the front ends of the air inlet holes on both sides of the rear end of the inner wall of the heat dissipation shell, a heat dissipation plate is fixedly connected to the inner wall of the heat dissipation shell, and a ventilation copper pipe is fixedly connected to the front end of the heat dissipation plate.

[0011] As a further improvement of the present invention, the bottom end of the threaded rod is rotatably connected to the bottom end of the inner wall of the device housing.

[0012] As a further improvement of the present invention, the outer wall of the connecting frame is fixedly connected to the bottom end of the outer wall of the pull-shielding plate.

[0013] As a further improvement of the present invention, the outer wall of the connecting frame is slidably connected to the inner wall of the device shell.

[0014] As a further improvement of the present invention, the bottom ends of the straight tooth plates are respectively fixedly connected to the bottom sides of the left and right ends of the inner wall of the device housing.

[0015] As a further improvement of the utility model, the rear end of the ventilation copper pipe is fixedly connected to the front end of the heat dissipation shell and penetrates through it.

[0016] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0017] 1. In the utility model, by using a driving motor, a cleaning brush, a threaded rod, a connecting frame, a transmission gear, a spur plate and a transmission rod in combination, the dust-proof effect of the device is improved, and dust accumulation on the surface or inside of the display screen that may affect the display effect is prevented, so that a clear display effect is maintained for a long time, and the user experience is improved. At the same time, the software operating environment is also protected, and electrical problems caused by dust are avoided.

[0018] 2. In the utility model, the temperature inside the LED display screen is reduced to prevent overheating through the combined use of the heat dissipation shell, the circulation fan, the air inlet hole, the dust filter, the heat dissipation plate and the ventilation copper tube, thereby extending the life of the LED display screen and its internal electronic components, reducing failures caused by excessive temperature, and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a dustproof vehicle-mounted LED liquid crystal display screen proposed by the utility model;

[0020] Figure 2 A half-section diagram of the device housing of a dustproof vehicle-mounted LED liquid crystal display screen proposed by the utility model;

[0021] Figure 3 A half-section diagram of a pull-out plate for a dustproof vehicle-mounted LED liquid crystal display screen proposed by the utility model;

[0022] Figure 4 A half-section diagram of a heat sink of a dustproof vehicle-mounted LED liquid crystal display proposed by the utility model;

[0023] Figure 5 The utility model is a schematic diagram of a ventilation copper tube structure of a dust-proof vehicle-mounted LED liquid crystal display screen.

[0024] Legend:

[0025] 1. Device housing; 2. Mounting strip; 3. LED display screen; 4. Rotating rod; 5. Pull-out plate; 6. Cleaning brush; 7. Driving motor; 8. Heat dissipation shell; 9. Threaded rod; 10. Circulation fan; 11. Connecting frame; 12. Transmission gear; 13. Straight tooth plate; 14. Transmission rod; 15. Air inlet hole; 16. Dust filter; 17. Heat dissipation plate; 18. Ventilation copper pipe. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of this application, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, if the terms "first", "second", etc. appear in the description of this application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0030] In addition, if the terms "horizontal" or "vertical" appear in the description of this application, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] Embodiment 1: A dustproof vehicle-mounted LED liquid crystal display screen comprises a device housing 1, a plurality of mounting strips 2 are fixedly connected to the left and right ends of the outer wall of the device housing 1, an LED display screen 3 is installed on the inner wall of the device housing 1, a rotating rod 4 is rotatably connected to the top end of the inner wall of the device housing 1, a pull-out plate 5 is fixedly connected to the outer wall of the rotating rod 4, a cleaning brush 6 is connected to the bottom end of the outer wall of the pull-out plate 5 through a dustproof component, a driving motor 7 is fixedly connected to the front side of the top end of the inner wall of the device housing 1, a threaded rod 9 is fixedly connected to the driving end of the driving motor 7, a heat dissipation shell 8 is fixedly connected to the rear end of the device housing 1, and a circulating fan 10 is connected to the left and right ends of the inner wall of the heat dissipation shell 8 through a heat dissipation component, so that the mounting strips 2 at the device housing 1 are installed on the vehicle, and the pull-out plate 5 at the rotating rod 4 can prevent dust from entering the device housing 1.

[0033] Embodiment 2: The outer wall of the threaded rod 9 is threadedly connected to a connecting frame 11, and the inner wall of the cleaning brush 6 is fixedly connected to a transmission rod 14. The left and right ends of the outer wall of the transmission rod 14 are fixedly connected to transmission gears 12, and the outer diameter of the transmission gear 12 is meshedly connected to a spur plate 13. When the driving motor 7 is started, the driving motor 7 drives the threaded rod 9 to rotate, and the threaded rod 9 drives the connecting frame 11 to pull down the shielding plate 5, so that the shielding plate 5 is extended to cover the LED display screen 3 to prevent dust from entering. When the connecting frame 11 moves, it drives the transmission gear 12 at the transmission rod 14 connected to the cleaning brush 6 at the connecting frame 11 to rotate along the spur plate 13, so that the connecting frame 11 with the shielding plate 5 is extended. At the same time, the cleaning brush 6 rotates to clean the LED display screen 3, thereby improving the dustproof effect of the device, avoiding dust accumulation on the surface or inside of the display screen that can affect the display effect, maintaining a clear display effect for a long time, and improving the user experience. At the same time, it also protects the software running environment and avoids electrical problems caused by dust.

[0034] Embodiment 3: Air inlet holes 15 are provided on both the left and right sides of the rear end of the heat dissipation shell 8, and dust filters 16 are fixedly connected to the front ends of the air inlet holes 15 on the left and right sides of the rear end of the inner wall of the heat dissipation shell 8. A heat sink 17 is fixedly connected to the inner wall of the heat dissipation shell 8, and a ventilation copper pipe 18 is fixedly connected to the front end of the heat sink 17. After the circulation fan 10 is started, air is filtered from the air inlet holes 15 by the dust filter 16, and the heat sink 17 can absorb the temperature of the LED display screen 3 to the heat sink 17 through the principle of metal conduction, and the air absorbed by the circulation fan 10 is infused into the ventilation copper pipe 18, so that the ventilation copper pipe 18 conducts the low temperature to the heat sink 17 to offset the temperature absorbed by it, thereby achieving the effect of cooling the LED display screen 3, and through effective heat dissipation measures, the temperature inside the LED display screen 3 can be reduced to prevent overheating, thereby extending the life of the LED display screen 3 and its internal electronic components, reducing failures caused by excessive temperature, and reducing maintenance costs.

[0035] like Figure 2-Figure 5As shown, the bottom end of the threaded rod 9 is rotatably connected to the bottom end of the inner wall of the device casing 1, so as to improve the stability of the threaded rod 9 when rotating. The outer wall of the connecting frame 11 is fixedly connected to the bottom end of the outer wall of the pull-plate 5, so that the connecting frame 11 drives the pull-plate 5 to extend. The outer wall of the connecting frame 11 is slidably connected to the inner wall of the device casing 1, so as to facilitate the movement of the connecting frame 11. The bottom ends of the spur plate 13 are respectively fixedly connected to the bottom sides of the left and right ends of the inner wall of the device casing 1. The rear end of the ventilation copper tube 18 is fixedly connected to the front end of the heat dissipation shell 8 and passes through it, so that the circulating fan 10 injects cold air into the ventilation copper tube 18.

[0036] Working principle: the mounting strip 2 at the device housing 1 is installed on the vehicle, and the shielding plate 5 at the rotating rod 4 can prevent dust from entering the device housing 1. When the driving motor 7 is started, the driving motor 7 drives the threaded rod 9 to rotate, and the threaded rod 9 drives the connecting frame 11 to pull the shielding plate 5 down, so that the shielding plate 5 is extended to cover the LED display screen 3 to prevent dust from entering. When the connecting frame 11 moves, it drives the transmission gear 12 at the transmission rod 14 connected to the cleaning brush 6 at the connecting frame 11 to rotate along the straight tooth plate 13, so that the connecting frame 11 with the shielding plate 5 is extended, and at the same time the cleaning brush 6 rotates to clean the LED display screen 3, thereby improving the dustproof effect of the device, avoiding dust accumulation on the surface or inside of the display screen to affect the display effect, so as to maintain a clear display effect for a long time, and improve The user experience is improved, and the software running environment is protected to avoid electrical problems caused by dust. After the circulation fan 10 is started, the air is filtered through the air inlet 15 by the dust filter 16, and the heat sink 17 can absorb the temperature of the LED display screen 3 to the heat sink 17 through the principle of metal conduction. The air absorbed by the circulation fan 10 is infused into the ventilation copper tube 18, so that the ventilation copper tube 18 conducts the low temperature to the heat sink 17 to offset the temperature absorbed by it, thereby achieving the effect of cooling the LED display screen 3. Through effective heat dissipation measures, the temperature inside the LED display screen 3 can be reduced to prevent overheating, thereby extending the life of the LED display screen 3 and its internal electronic components, reducing failures caused by excessive temperature, and reducing maintenance costs.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dustproof vehicle-mounted LED liquid crystal display screen, comprising a device housing (1), characterized in that: The left and right ends of the outer wall of the device shell (1) are fixedly connected to a plurality of mounting strips (2); the inner wall of the device shell (1) is installed with an LED display screen (3); the top end of the inner wall of the device shell (1) is rotatably connected to a rotating rod (4); the outer wall of the rotating rod (4) is fixedly connected to a pull-out plate (5); the bottom end of the outer wall of the pull-out plate (5) is connected to a cleaning brush (6) via a dustproof component; the front side of the top end of the inner wall of the device shell (1) is fixedly connected to a driving motor (7); the driving end of the driving motor (7) is fixedly connected to a threaded rod (9); the rear end of the device shell (1) is fixedly connected to a heat dissipation shell (8); and the left and right ends of the inner wall of the heat dissipation shell (8) are connected to a circulation fan (10) via a heat dissipation component.

2. The dustproof vehicle-mounted LED liquid crystal display according to claim 1, characterized in that: The dustproof component comprises a connecting frame (11) threadedly connected to the outer wall of the threaded rod (9); the inner wall of the cleaning brush (6) is fixedly connected to a transmission rod (14); the left and right ends of the outer wall of the transmission rod (14) are fixedly connected to transmission gears (12); the outer diameter of the transmission gear (12) is meshedly connected to a spur gear plate (13).

3. The dustproof vehicle-mounted LED liquid crystal display according to claim 1, characterized in that: The heat dissipation component comprises air inlet holes (15) opened on both left and right sides of the rear end of the heat dissipation shell (8), dust filters (16) are fixedly connected to the front ends of the air inlet holes (15) on both left and right sides of the rear end of the inner wall of the heat dissipation shell (8), a heat dissipation plate (17) is fixedly connected to the inner wall of the heat dissipation shell (8), and a ventilation copper pipe (18) is fixedly connected to the front end of the heat dissipation plate (17).

4. The dustproof vehicle-mounted LED liquid crystal display according to claim 1, characterized in that: The bottom end of the threaded rod (9) is rotatably connected to the bottom end of the inner wall of the device housing (1).

5. The dustproof vehicle-mounted LED liquid crystal display according to claim 2, characterized in that: The outer wall of the connecting frame (11) is fixedly connected to the bottom end of the outer wall of the pull-shielding plate (5).

6. The dustproof vehicle-mounted LED liquid crystal display according to claim 2, characterized in that: The outer wall of the connecting frame (11) is slidably connected to the inner wall of the device housing (1).

7. The dustproof vehicle-mounted LED liquid crystal display according to claim 2, characterized in that: The bottom ends of the spur plate (13) are respectively fixedly connected to the bottom sides of the left and right ends of the inner wall of the device housing (1).

8. The dustproof vehicle-mounted LED liquid crystal display according to claim 3, characterized in that: The rear end of the ventilation copper pipe (18) is fixedly connected to the front end of the heat dissipation shell (8) and penetrates through it.

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