Anti-photo-thermal head-up display backlight module

Abstract

The utility model discloses an anti-photo-thermal head-up display backlight module, relates to the technical field of automobile head-up displays, and aims to solve the technical problem of heat dissipation of the head-up display backlight module. According to the technical scheme, the panel comprises a panel base, the panel base comprises four side plates, horizontal positioning edges are arranged on the upper portions of the inner walls of the side plates, a display assembly is arranged on the positioning edges, a panel upper cover used for fixing the display assembly is further arranged at the top of the panel base, an optical assembly is arranged at an opening in the bottom end of the panel base, and the optical assembly is arranged on the panel base. A heat dissipation piece is further arranged at the bottom; the heat dissipation piece is arranged at the bottom of the light-heat-resistant backlight module of the head-up display, and the light-heat-resistant backlight module of the head-up display aims to provide the light-heat-resistant backlight module of the head-up display.

Description

Technical Field

[0001] The utility model relates to a head-up display for an automobile, and more particularly to a light and heat resistant head-up display backlight module. Background Art

[0002] Head-up display, abbreviated as HUD, also known as head-up display system, refers to a vehicle driver-centered, blind-operated, multi-function instrument panel; its function is to project important driving information such as speed and navigation onto the windshield in front of the driver, allowing the driver to see important driving information such as speed and navigation without lowering or turning his head.

[0003] The Chinese patent announcement with announcement number CN208293698U discloses a curved mirror fixing structure for a car head-up display, the technical key points of which are: it includes a side shaft fixed to the side of the curved mirror and a bracket for installing the side shaft, the side shaft is inserted into a preset side shaft mounting hole on the bracket, and an elastic member is provided on the outer side of the bracket, which is pressed against the outer end face of the side shaft by its own elasticity; at the same time, the utility model also discloses a car head-up display including the above-mentioned curved mirror fixing structure; the utility model reduces the number of components and simplifies the assembly of the curved mirror by providing an elastic member that is integrated with the bracket on the bracket to replace the existing independent spring, thereby increasing assembly efficiency and reducing cost; and can effectively eliminate the installation gap between the curved mirror mount and the bracket, ensuring that the end face of the curved mirror does not move while ensuring that the curved mirror is not affected, making the assembly of the curved mirror more reliable.

[0004] In the above technical solution, the car head-up display is installed on the car instrument and is often exposed to the sun in the summer, which will cause damage such as performance degradation and shortened life of the car head-up display. Therefore, a new technical solution is needed to solve the above technical problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a head-up display backlight module that is resistant to light and heat.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: a light and heat resistant head-up display backlight module, including a panel seat, the panel seat including four side panels, the upper part of the inner wall of the side panel is provided with a horizontal positioning edge, the positioning edge is provided with a display component, the top of the panel seat is also provided with a panel cover for fixing the display component, the bottom opening of the panel seat is provided with an optical component, and the bottom is also provided with a heat sink.

[0007] By adopting the above technical solution, the heat sink installed at the bottom of the module can effectively disperse and discharge the heat generated during the display process, ensuring that the entire module can operate stably even in a high-temperature environment and extending its service life; the panel seat consists of four side panels and a positioning edge is set at the top. This design provides stable support for the display component; at the same time, the addition of the panel cover plays a fixing role.

[0008] The present invention is further configured as follows: the display assembly includes an LCD display screen; a diffusion film is provided on the lower surface of the LCD display screen, and a heat mirror is also provided on the upper surface thereof.

[0009] By adopting the above technical solution, the heat mirror is covered on the upper surface of the LCD display, so that the heat generated by the LCD display can be evenly and effectively dissipated through the heat mirror, which helps to prevent local overheating of the display. The heat mirror can also protect the LCD display from damage by harmful factors such as heat and ultraviolet rays in the external environment to a certain extent, maintaining the clarity and color accuracy of the display. The diffusion film set on the lower surface of the LCD display can not only homogenize the backlight source, but also significantly improve the display effect. The uniform light distribution makes the display brightness more uniform, the colors more realistic, and the viewing experience more comfortable.

[0010] The utility model is further configured as follows: the optical component includes an LED board and a lens arranged on the surface of the LED board, the heat dissipation component includes a heat conducting plate arranged at the bottom of the panel seat, the LED board is arranged on the upper surface of the heat conducting plate, and the lower surface of the heat conducting plate is provided with a plurality of heat dissipation fins arranged at intervals.

[0011] By adopting the above technical solution, the LED board is arranged on the upper surface of the heat conducting plate, which increases the heat dissipation area to a certain extent, helps to enhance the heat dissipation effect, makes the heat dissipation more uniform, and reduces the damage to the LED board caused by heat.

[0012] The utility model is further configured as follows: the LED board is an aluminum substrate, and the heat conducting plate is made of an aluminum plate and is bonded to the LED board.

[0013] By adopting the above technical solution, aluminum is a material with good thermal conductivity. The aluminum substrate used as the LED board can quickly transfer the heat generated by the LED chip to the entire substrate surface; the aluminum heat conducting plate fits tightly against the aluminum substrate, forming an efficient heat conduction path; this design ensures that heat can be quickly transferred from the LED board to the heat conducting plate and then dissipated into the air through the heat sink, thereby effectively reducing the operating temperature of the LED board.

[0014] The present invention is further configured as follows: a plurality of limiting posts are provided on the surface of the heat conducting plate, and a plurality of limiting holes corresponding to the limiting posts are opened on the LED board.

[0015] By adopting the above technical solution, the limiting posts and limiting holes cooperate with each other to play a limiting role, allowing technicians to quickly position during the installation process. This design avoids the LED board from shifting or tilting during the installation process, ensures precise alignment between components, and improves the efficiency and accuracy of parts installation; the limiting posts and limiting holes work closely together, and the LED board is firmly fixed on the heat conducting plate; this fixing method greatly enhances the stability of the structure.

[0016] The utility model is further configured as follows: a groove is opened along the four sides of the lower surface of the panel upper cover, a rubber strip is provided on the groove, the rubber strip is adhered to the groove, the heat mirror is arranged in the groove, and the heat mirror is fixed in the groove by the rubber strip.

[0017] By adopting the above technical solution, the thermal mirror is set in the groove and fixed with a rubber strip. This design enhances the connection strength between the thermal mirror and the panel cover; it helps prevent the thermal mirror from loosening or falling off during use, and improves the structural stability of the entire assembly; the groove and the thermal mirror are tightly connected by the rubber strip, forming a closed environment; this design can effectively prevent external impurities such as moisture and dust from entering, ensuring the cleanliness and dryness of internal components.

[0018] The utility model is further configured as follows: a first buckle is provided on one side panel, two second buckles are provided on the other side panel opposite to the side panel, and a first lock tongue and a second lock tongue corresponding to the first buckle and the second buckle are respectively provided on both sides of the panel cover.

[0019] By adopting the above technical solution, different numbers of clips are set on two opposite side panels. This design can ensure precise positioning between components and reduce the risk of misinstallation. At the same time, the clips and the lock tongue are interlocked with each other to achieve the purpose of further covering, thereby improving the stability and sealing of the structure.

[0020] The utility model is further configured as follows: the outer wall of the side plate is provided with a first guide rail on both sides of the first buckle, and the outer wall of the side plate is provided with a second guide rail between the two second buckles.

[0021] By adopting the above technical solution, the design of the guide rail enables the buckle to be firmly maintained in the predetermined position when closed, and is not easily loosened or shifted due to external factors such as vibration and shaking; this helps to maintain the structural stability and integrity of the entire assembly; during maintenance and inspection, the restrictive effect of the guide rail helps to reduce safety risks caused by improper operation; it ensures that the staff can follow the correct steps and sequence during operation to avoid accidents caused by improper operation.

[0022] The utility model has the following beneficial effects: 1. By arranging the heat sink at the bottom of the panel seat, the module can effectively disperse and eliminate the heat generated during the operation of the module. A heat mirror is provided at the opening at the top of the panel seat to ensure that the heat of the LCD display can be evenly and effectively dissipated and can effectively reflect light. A diffusion film is provided under the LCD display. The diffusion film can not only uniformize the backlight source, but also significantly improve the display effect; the uniform light distribution makes the brightness of the display more uniform, the color more realistic, and the viewing experience more comfortable.

[0023] 2. By setting limiting columns and limiting holes on the heat conducting plate and LED board respectively, a limiting effect can be achieved to ensure accurate positioning between components and increase the stability of the structure to a certain extent.

[0024] 3. A groove is provided on the lower surface of the panel cover, and the groove is connected to the thermal mirror by a rubber strip, so that the thermal mirror is not easy to loosen or fall off.

[0025] 4. Buckles and lock tongues are set on the side panels and the panel cover respectively, and guide rails are set on the side panels to limit the movement of the locks. This design reduces the risk of misinstallation, prevents components from loosening or shifting, and improves the stability and sealing of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Schematic diagram of the three-dimensional structure of this embodiment;

[0027] Figure 2 This is a schematic diagram of the explosion structure of this embodiment;

[0028] Figure 3 is a schematic diagram of the exploded structure of the display assembly of this embodiment;

[0029] Figure 4 Schematic diagram of the structure of the heat sink of this embodiment;

[0030] Figure 5 This is a schematic structural diagram of the panel cover of this embodiment;

[0031] Figure 6 Schematic diagram of the structure of the panel seat of this embodiment.

[0032] Description of the drawings: 1. Panel seat; 2. Side panel; 3. Positioning edge; 4. Display assembly; 5. Panel cover; 6. Optical assembly; 7. Heat sink; 8. LCD display; 9. Diffusion film; 10. Thermal mirror; 11. LED board; 12. Lens; 13. Heat conduction plate; 14. Heat sink; 15. Limiting column; 16. Limiting hole; 17. Groove; 18. Rubber strip; 19. First buckle; 20. Second buckle; 21. First lock tongue; 22. Second lock tongue; 23. First guide rail; 24. Second guide rail. DETAILED DESCRIPTION

[0033] The present invention will be described in further detail below with reference to the accompanying drawings.

[0034] Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0035] The present invention will be described in further detail below with reference to the accompanying drawings.

[0036] A head-up display backlight module that is resistant to light and heat, such as Figure 1 and Figure 2 As shown, the panel seat 1 includes four side panels 2, a positioning edge 3 is provided on the top of the panel seat, a display component 4 is placed on the positioning edge 3, and a panel cover 5 for fixing the display component 4 is also provided on the top of the panel seat 1. An optical component 6 is provided at the bottom opening of the panel seat 1, and a heat sink 7 is also provided at the bottom.

[0037] This application adopts a heat sink 7 provided at the bottom of the panel seat 1, so that the heat in the panel seat 1 can be effectively dispersed and discharged, ensuring that the entire module can operate stably in a high temperature environment and extend its service life; a positioning edge 3 is provided at the top of the panel seat 1, which provides stable support for the display component 4 and ensures its stability during installation and use; a panel cover 5 is provided on the top of the panel seat 1 to play a fixing role.

[0038] The light and heat first enter the display component 4, as Figure 3 As shown, the display assembly 4 includes an LCD display screen 8, a diffusion film 9 is provided on the lower surface of the LCD display screen 8, and a heat mirror 10 is also provided on the upper surface thereof. The light path direction of the LCD display screen 8 is perpendicular to the surface of the heat mirror 10, thereby preventing the light path of the LCD display screen 8 from being disturbed by refraction. The diffusion film 9 is provided on the lower surface of the LCD display screen 8, and light and heat enter the heat mirror 10, the LCD display screen 8 and the diffusion film 9 in sequence. The heat mirror 10 provided on the upper surface of the LCD display screen 8 allows the heat generated by the LCD display screen 8 to be evenly and effectively dissipated through the heat mirror 10. The diffusion film 9 can homogenize the backlight source and significantly improve the display effect.

[0039] An optical component 6 is provided at the opening on the lower surface of the panel seat 1. The optical component 6 includes a lens 12 and an LED board 11. The lens 12 is provided on the surface of the LED board 11. The heat dissipation component 7 includes a heat conducting plate 13 provided at the bottom of the panel seat 1. The LED board 11 is provided on the upper surface of the heat conducting plate 13. The lower surface of the heat conducting plate 13 is provided with a number of heat dissipation fins 14 provided at intervals. After the light heat enters the display component 4, it further enters the optical component 6, first entering the lens 12 and the LED board 11. The LED board 11 is provided on the upper surface of the heat conducting plate 13 and dissipates heat through the contact piece with the heat conducting plate 13. At the same time, the LED board 11 is fitted with the heat conducting plate 13 to a certain extent, which increases the heat dissipation area, helps to enhance the heat dissipation effect, makes the heat dissipation more uniform, and reduces the damage to the LED board 11 caused by heat. The heat dissipation fins 14 are in contact with the air to discharge the heat in the module and realize heat exchange.

[0040] like Figure 4 As shown, a plurality of limiting posts 15 are provided on the surface of the heat conducting plate 13, and a plurality of limiting holes 16 corresponding to the limiting posts 15 are opened on the LED board 11; the limiting posts 15 and the limiting holes 16 cooperate with each other to play a limiting role, and the limiting posts 15 and the limiting holes 16 cooperate closely, so that the LED board 11 is firmly fixed on the heat conducting plate 13, thereby enhancing the stability of the structure.

[0041] like Figure 5 As shown, grooves 17 are provided along the four sides of the lower surface of the panel cover 5, and a rubber strip 18 is provided on the groove 17. The rubber strip 18 is attached to the groove 17, and the thermal mirror 10 is arranged in the groove 17. The thermal mirror 10 is fixed in the groove 17 by the rubber strip 18. This design enhances the connection strength between the thermal mirror 10 and the panel cover 5. It helps prevent the thermal mirror 10 from loosening or falling off during use, thereby improving the structural stability of the entire assembly.

[0042] like Figure 2 and Figure 6 As shown, a first buckle 19 is provided on one side panel 2, and two second buckles 20 are provided on the other opposite side panel 2, and the first locking tongue 21 and the second locking tongue 22 corresponding to the first buckle 19 and the second buckle 20 are respectively provided on both sides of the panel cover; the outer wall of the side panel 2 is provided with a first guide rail 23 on both sides of the first buckle 19, and the outer wall of the side panel is provided with a second guide rail 24 between the two second buckles 20. During operation, the first locking tongue 21 and the second locking tongue 22 of the panel cover 5 are buckled into the first buckle 19 and the second buckle 20 of the panel seat 1, and then the first guide rail 23 and the second guide rail 24 are used to limit the movement of the first locking tongue 21 and the second locking tongue 22; this design can ensure precise positioning between components and reduce the risk of misassembly. The design of the first guide rail 23 and the second guide rail 24 enables the first locking tongue 21 and the second locking tongue 22 to be firmly maintained in the predetermined position in the closed state, and is not easily loosened or shifted due to external factors such as vibration and shaking.

[0043] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the embodiments as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A head-up display backlight module that is resistant to light and heat, characterized by: The panel seat (1) comprises four side panels (2), the upper inner wall of the side panels (2) is provided with a horizontal positioning edge (3), the positioning edge (3) is provided with a display component (4), the top of the panel seat (1) is also provided with a panel cover (5) for fixing the display component (4), the bottom opening of the panel seat (1) is provided with an optical component (6), and the bottom is also provided with a heat sink (7).

2. The light-heat-resistant head-up display backlight module according to claim 1, characterized in that: The display assembly (4) comprises an LCD display screen (8), a diffusion film (9) is provided on the lower surface of the LCD display screen (8), and a heat mirror (10) is provided on the upper surface thereof.

3. The light-heat-resistant head-up display backlight module according to claim 2, characterized in that: The optical assembly (6) includes an LED board (11) and a lens (12) arranged on the surface of the LED board (11); the heat sink (7) includes a heat conducting plate (13) arranged at the bottom of the panel seat (1); the LED board (11) is arranged on the upper surface of the heat conducting plate (13); and a plurality of heat sinks (14) arranged at intervals are provided on the lower surface of the heat conducting plate (13).

4. The light-heat-resistant head-up display backlight module according to claim 3, characterized in that: The LED board (11) is an aluminum substrate, and the heat conducting plate (13) is made of an aluminum plate and is bonded to the LED board (11).

5. The light-heat-resistant head-up display backlight module according to claim 4, characterized in that: A plurality of limiting columns (15) are provided on the surface of the heat conducting plate (13), and a plurality of limiting holes (16) corresponding to the limiting columns (15) are provided on the LED board (11).

6. The light-heat-resistant head-up display backlight module according to claim 5, characterized in that: The lower surface of the panel upper cover (5) is provided with grooves (17) along its periphery, and the heat mirror (10) is fixedly installed in the grooves (17) via adhesive strips (18).

7. The light-heat-resistant head-up display backlight module according to claim 6, characterized in that: A first snap fastener (19) is provided on one side panel (2), two second snap fasteners (20) are provided on the other side panel (2) opposite to the side panel (2), and a first locking tongue (21) and a second locking tongue (22) corresponding to the first snap fastener (19) and the second snap fastener (20) are provided on both sides of the panel upper cover (5).

8. The light-heat-resistant head-up display backlight module according to claim 7, characterized in that: The outer wall of the side plate (2) is provided with first guide rails (23) on both sides of the first locking tongue (21), and the outer wall of the side plate is provided with a second guide rail (24) between the two second locking tongues (22).

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