Vehicle-mounted projection lamp module

By using a composite curved lens and reflector structure in the vehicle-mounted projection lamp module, combined with a radiator design, the problems of poor imaging and low optical efficiency of existing vehicle-mounted projection lamps are solved, achieving safer and more effective lighting and interaction, and improving driving safety and a sense of technology.

CN223425123UActive Publication Date: 2025-10-10JIANGSU ELIOS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422478966.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-10-10
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Existing car-mounted projection lights have poor imaging effects and low optical efficiency, and are unable to effectively enhance the interaction between the car and the surrounding environment, resulting in insufficient safety and a lack of technological sense.

Method used

A vehicle-mounted projection lamp module is designed, including a housing, a lens, and a light-emitting structure. Composite curved surfaces are provided on both sides of the lens, combined with a reflector and a light-transmitting plate to improve imaging effect and optical efficiency. A heat sink is used to reduce the temperature of the light-emitting module and enhance structural stability.

Benefits of technology

It improves the imaging effect and optical efficiency of vehicle-mounted projection lamps, enhances the interaction between the car and the environment, provides safer and more effective lighting, reduces glare hazards, and enhances driving safety and a sense of technology.

✦ Generated by Eureka AI based on patent content.

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Abstract

The vehicle-mounted projection lamp module comprises the shell, the lens and the light-emitting structure, the lens and the light-emitting structure are arranged on the two sides of the shell respectively, the composite curved surfaces are arranged on the two sides of the lens, the imaging effect and the optical efficiency of the lens can be improved through the composite curved surfaces, and therefore interaction between a vehicle and the environment is enhanced; the vehicle-mounted projection lamp module provides safer and more effective illumination for a driver and road participants, reduces dazzling and other adverse hazards to the road participants to the maximum extent, improves safety, provides various application scene experiences with sufficient science and technology and fashion sense for users, and is good in imaging effect, high in optical efficiency and suitable for popularization and application. Interaction between the automobile and the surrounding environment can be enhanced, safer and more effective illumination can be provided for an automobile driver and road participants, and safety is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of vehicle-mounted projection, and specifically relates to a vehicle-mounted projection lamp module. Background Art

[0002] With the continuous advancement of technology, headlights, as one of the most important safety and appearance parts of automobiles, are undergoing major changes and are gradually moving towards intelligence and visualization. They have evolved from ordinary lighting headlights to ADB / AFS headlights and then to projection headlights. Pixel-level digital projection lights can not only project any required traffic signs and markings according to the traffic driving environment, but also freely control the lighting area and illumination. However, existing projection lights have a simple structure, poor imaging effect, and low optical efficiency.

[0003] To solve the above problems, patent document 215636946U discloses an automobile projection lamp, comprising: a lamp housing for being clipped onto the bracket of the automobile rearview mirror, the lamp housing being provided with a lamp hole facing the docking ground, the lamp hole being equipped with an LED lamp group, the LED lamp group being used to irradiate projection light around the vehicle door, but the above problems cannot be solved. Utility Model Content

[0004] This utility model is designed to solve the above problems and aims to provide a vehicle-mounted projection lamp module with good imaging effect, high optical efficiency, the ability to enhance the interaction between the car and the surrounding environment, and the ability to provide safer and more effective lighting for car drivers and road users. In order to achieve the above objectives, the technical solutions adopted by this utility model are as follows:

[0005] The utility model provides a vehicle-mounted projection lamp module with the following features: comprising a shell, a lens and a light-emitting structure; the lens and the light-emitting structure are respectively arranged on two sides of the shell; and composite curved surfaces are provided on both sides of the lens.

[0006] The vehicle-mounted projection lamp module provided by the present invention may also have such a feature that a clamping flange is provided on the edge of the lens, and the clamping flange abuts against the inner wall of the housing.

[0007] The vehicle-mounted projection lamp module provided by the present invention may also have such a feature that a clamping protrusion adapted to the clamping flange is provided on the inner wall of the shell, and the clamping flange abuts against the clamping protrusion.

[0008] The vehicle-mounted projection lamp module provided by the present invention may also have such a feature that the light-emitting structure includes a light-emitting module, a reflector and a light-transmitting plate. The reflector is connected to the shell and is located on the side of the shell away from the lens. The light-transmitting plate is arranged on the shell and is located between the reflector and the shell. The light-emitting module is connected to the reflector and is located at the bottom of the reflector.

[0009] The vehicle-mounted projection lamp module provided by the present invention may also have the following feature: a heat sink is provided at the bottom of the light-emitting module.

[0010] The vehicle-mounted projection lamp module provided by the present invention may also have such a feature that a connecting protrusion is provided on the side of the shell close to the reflector, a first threaded hole is provided on the connecting protrusion, a first through hole adapted to the first threaded hole is provided on the reflector, and a second through hole adapted to the first threaded hole is provided on the light-transmitting plate.

[0011] The vehicle-mounted projection lamp module provided by the present invention may also have such a feature that mounting convex plates are provided on both sides of the housing, and mounting holes are provided on the mounting convex plates.

[0012] The vehicle-mounted projection lamp module provided by the present invention may also have the following feature: the inner wall of the reflector is in the shape of a conical arc surface.

[0013] The vehicle-mounted projection lamp module provided by the present invention may also have the following feature: the composite curved surface is in the shape of a convex surface with a raised center.

[0014] The technical effect of the utility model is: the vehicle-mounted projection lamp module provided by the utility model includes a shell, a lens and a light-emitting structure, the lens and the light-emitting structure are respectively arranged on both sides of the shell, and composite curved surfaces are provided on both sides of the lens. The composite curved surfaces can improve the imaging effect and optical efficiency of the lens, thereby enhancing the interaction between the vehicle and the environment, providing safer and more effective lighting for drivers and road participants, minimizing the adverse hazards such as glare caused to road participants, improving safety, and providing users with various application scenario experiences full of technology and fashion.

[0015] Therefore, the vehicle-mounted projection lamp module provided by the present invention has good imaging effect and high optical efficiency, can enhance the interaction between the car and the surrounding environment, and can improve safety for car drivers and road users through safer and more effective lighting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This manual includes the following drawings, which show the following contents:

[0017] Figure 1 This is a schematic diagram of the structure of the vehicle-mounted projection lamp module in the embodiment of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the vehicle-mounted projection lamp module in the embodiment of the utility model Figure 2 ;

[0019] Figure 3 This is an exploded view of the vehicle-mounted projection lamp module in an embodiment of the present utility model;

[0020] Figure 4 Schematic diagram of the structure of the lens in the embodiment of the present utility model;

[0021] Figure 5 1 is a schematic diagram of the structure of the lens in the top view direction in an embodiment of the present utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the housing in the embodiment of the present utility model. Figure 1 ;

[0023] Figure 7 This is a schematic diagram of the structure of the housing in the embodiment of the present utility model. Figure 2 ;

[0024] Figure 8 Schematic diagram of the structure of the reflector in the embodiment of the present utility model;

[0025] Marked in the figure: 10-shell, 11-clamping protrusion, 12-mounting protrusion, 13-mounting hole, 14-connecting protrusion, 141-first threaded hole, 20-lens, 21-compound curved surface, 211-first curved surface, 212-second curved surface, 213-third curved surface, 214-fourth curved surface, 22-clamping flange, 30-light-emitting structure, 31-light-emitting module, 32-reflector, 321-first through hole, 33-light-transmitting plate, 331-second through hole, 34-heat sink. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the specific implementation methods of the present invention through the description of the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate their implementation.

[0027] Figure 1 This is a schematic diagram of the structure of the vehicle-mounted projection lamp module in the embodiment of the utility model Figure 1 ; Figure 2 This is a schematic diagram of the structure of the vehicle-mounted projection lamp module in the embodiment of the utility model Figure 2 ; Figure 3 This is an exploded view of the vehicle-mounted projection lamp module in an embodiment of the present utility model.

[0028] like Figure 1 、 Figure 2 as well as Figure 3As shown, the vehicle-mounted projection lamp module provided by the present invention includes a shell 10, a lens 20 and a light-emitting structure 30. The lens 20 and the light-emitting structure 30 are respectively arranged on both sides of the shell 10. Composite curved surfaces 21 are provided on both sides of the lens 20. The composite curved surfaces 21 can improve the imaging effect and optical efficiency of the lens, thereby enhancing the interaction between the vehicle and the environment, providing safer and more effective lighting for drivers and road participants, minimizing the adverse hazards such as glare caused to road participants, improving safety, and providing users with various application scenario experiences that are full of technology and fashion.

[0029] Figure 4 Schematic diagram of the structure of the lens in the embodiment of the present utility model; Figure 5 It is a schematic structural diagram of the lens in the top view direction in an embodiment of the present utility model.

[0030] like Figure 4 and Figure 5 As shown, the composite curved surface 21 is in the shape of a convex surface with a convex center. The composite curved surface 21 includes a first curved surface 211, a second curved surface 212, a third curved surface 213 and a fourth curved surface 214. The first curved surface 211 and the second curved surface 212 are arranged on one side of the lens 20, and the first curved surface 211 and the second curved surface 212 are symmetrically arranged. The third curved surface 213 and the fourth curved surface 214 are arranged on the other side of the lens 20, and the third curved surface 213 and the fourth curved surface 214 are symmetrically arranged. The first curved surface 211 and the second curved surface 212 are located on the side of the lens 20 close to the shell 10. The curvature of the first curved surface 211 and the second curved surface 212 is greater than the curvature of the third curved surface 213 and the fourth curved surface 214. The composite curved surface 21 can improve the imaging effect and optical efficiency of the lens.

[0031] like Figure 4 and Figure 5 As shown, the edge of the lens 20 is provided with a snap-fit ​​flange 22, which is evenly distributed around the lens 20. The snap-fit ​​flange 22 abuts against the inner wall of the housing 10, thereby mounting the lens 20 on the housing 10 and improving structural stability.

[0032] Figure 6 This is a schematic diagram of the structure of the housing in the embodiment of the present utility model. Figure 1 ; Figure 7 This is a schematic diagram of the structure of the housing in the embodiment of the present utility model. Figure 2 .

[0033] like Figure 6 and Figure 7As shown, a snap-fit ​​protrusion 11 is provided on one side of the shell 10 close to the lens 20, and the snap-fit ​​protrusion 11 abuts against the snap-fit ​​flange 22. One side of the snap-fit ​​flange 22 abuts against the snap-fit ​​protrusion 11, and the other side of the snap-fit ​​flange 22 abuts against the opening edge of the shell 10, thereby firmly fixing the lens 20 and making it convenient for the operator to disassemble or install the lens 20.

[0034] Mounting protrusions 12 are provided on both sides of the shell 10. The mounting protrusions 12 are arranged on both sides of the shell 10 and are located at one end close to the light-emitting structure 30. Mounting holes 13 are provided on the mounting protrusions 12. The mounting holes 13 can provide an installation position, which is convenient for fixing the shell 10 by screws or bolts, thereby facilitating the installation of the vehicle-mounted projection lamp module and improving the reliability of the structure.

[0035] The light-emitting structure 30 includes a light-emitting module 31, a reflector 32, and a light-transmitting plate 33. The reflector 32 is connected to the housing 10 and is located on the side of the housing 10 away from the lens 20. The light-transmitting plate 33 is disposed on the housing 10 and is located between the reflector 32 and the housing 10. The light-emitting module 31 is connected to the reflector 32 and is located at the bottom of the reflector 32. Light emitted by the light-emitting module 31 is focused by the reflector 32 and then emitted toward the lens 20 through the light-transmitting plate 33, thereby completing the imaging. The inner wall of the reflector 32 is conical, which can improve the focusing effect, further enhance the imaging effect and optical efficiency of the lens, thereby enhancing the interaction between the vehicle and the environment, providing safer and more effective lighting for the driver and road users, minimizing adverse hazards such as glare to road users, improving safety, and providing users with a variety of application scenarios with a sense of technology and fashion.

[0036] A heat sink 34 is provided at the bottom of the light emitting module 31 , which can cool the light emitting module 31 and prevent the light emitting module 31 from working at high temperature for a long time, thereby extending the service life and stability of the light emitting module 31 and improving the reliability of the structure.

[0037] Figure 8 Schematic diagram of the structure of the reflector in the embodiment of the present utility model;

[0038] like Figure 7 As shown, a connecting protrusion 14 is provided on one side of the shell 10 close to the reflector 32, and four connecting protrusions 14 are respectively arranged at the four corners of the shell 10, and a first threaded hole 141 is provided on the connecting protrusion 14, and a first through hole 321 adapted to the first threaded hole 141 is provided on the reflector 32, and a second through hole 331 adapted to the first threaded hole 141 is provided on the light-transmitting plate 33, and screws are passed through the first threaded hole 141, the first through hole 321 and the second through hole 331, so that the reflector 32 and the light-transmitting plate 33 are installed on the shell 10 for easy assembly.

[0039] Effects of embodiments

[0040] The vehicle-mounted projection lamp module provided by the utility model includes a shell 10, a lens 20 and a light-emitting structure 30, the lens 20 and the light-emitting structure 30 are arranged on the two sides of the shell 10 respectively, the two sides of the lens 20 are provided with a composite curved surface 21, the composite curved surface 21 can improve the imaging effect and optical efficiency of the lens, thereby enhancing the interaction between the vehicle and the environment, providing more safe and effective illumination for the driver and the road participant, reducing the dazzling and other harmful hazards caused to the road participant to the maximum extent, improving the safety, and providing the user with a variety of application scene experiences with a full sense of science and fashion. The composite curved surface 21 is in the form of a convex surface with a convex middle part, the composite curved surface 21 includes a first curved surface 211, a second curved surface 212, a third curved surface 213 and a fourth curved surface 214, the first curved surface 211 and the second curved surface 212 are arranged on one side of the lens 20, the first curved surface 211 and the second curved surface 212 are symmetrically arranged, the third curved surface 213 and the fourth curved surface 214 are arranged on the other side of the lens 20, the third curved surface 213 and the fourth curved surface 214 are symmetrically arranged, and the first curved surface 211 and the second curved surface 212 are located on the side of the lens 20 close to the shell 10, the curvatures of the first curved surface 211 and the second curved surface 212 are greater than those of the third curved surface 213 and the fourth curved surface 214, and the imaging effect and the optical efficiency of the lens can be improved through the composite curved surface 21. The vehicle-mounted projection lamp module provided by the utility model has good imaging effect and high optical efficiency, can enhance the interaction between the vehicle and the surrounding environment, and can provide the vehicle driver and the road participant with safer and more effective illumination, thereby improving the safety.

[0041] The utility model is described exemplarily above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A vehicle-mounted projection lamp module, characterized in that: The invention comprises a housing (10), a lens (20) and a light-emitting structure (30), wherein the lens (20) and the light-emitting structure (30) are respectively arranged on two sides of the housing (10), and a composite curved surface (21) is provided on both sides of the lens (20). The composite curved surface (21) is in the shape of a convex surface with a raised center. The composite curved surface (21) comprises a first curved surface (211), a second curved surface (212), a third curved surface (213), and a fourth curved surface (214); the first curved surface (211) and the second curved surface (212) are arranged on one side of the lens (20); the first curved surface (211) and the second curved surface (212) are symmetrically arranged; the third curved surface (213) and the fourth curved surface (214) are arranged on the other side of the lens (20); the third curved surface (213) and the fourth curved surface (214) are symmetrically arranged; the first curved surface (211) and the second curved surface (212) are located on a side of the lens (20) close to the housing (10); and the curvatures of the first curved surface (211) and the second curved surface (212) are greater than the curvatures of the third curved surface (213) and the fourth curved surface (214).

2. The vehicle-mounted projection lamp module according to claim 1, characterized in that: The edge of the lens (20) is provided with a snap-fit ​​flange (22), and the snap-fit ​​flange (22) abuts against the inner wall of the housing (10).

3. The vehicle-mounted projection lamp module according to claim 2, characterized in that: The inner wall of the housing (10) is provided with a clamping protrusion (11) adapted to the clamping flange (22), and the clamping flange (22) abuts against the clamping protrusion (11).

4. The vehicle-mounted projection lamp module according to claim 3, characterized in that: The light-emitting structure (30) comprises a light-emitting module (31), a reflector (32), and a light-transmitting plate (33); the reflector (32) is connected to the housing (10) and is located on a side of the housing (10) away from the lens (20); the light-transmitting plate (33) is arranged on the housing (10) and is located between the reflector (32) and the housing (10); the light-emitting module (31) is connected to the reflector (32) and is located at the bottom of the reflector (32).

5. The vehicle-mounted projection lamp module according to claim 4, characterized in that: A heat sink (34) is provided at the bottom of the light-emitting module (31).

6. The vehicle-mounted projection lamp module according to claim 5, characterized in that: A connecting protrusion (14) is provided on one side of the housing (10) close to the reflector (32), a first threaded hole (141) is provided on the connecting protrusion (14), a first through hole (321) adapted to the first threaded hole (141) is provided on the reflector (32), and a second through hole (331) adapted to the first threaded hole (141) is provided on the light-transmitting plate (33).

7. The vehicle-mounted projection lamp module according to claim 6, characterized in that: Mounting convex plates (12) are provided on both sides of the housing (10), and mounting holes (13) are provided on the mounting convex plates (12).

8. The vehicle-mounted projection lamp module according to claim 4, characterized in that: The inner wall of the reflector (32) is in the shape of a conical arc surface.