Car lamp module

Abstract

The utility model discloses a car lamp module which aims to overcome the defects that an existing projection scheme is even but not sharp, and an existing direct incidence scheme is sharp but can generate a dispersion scheme. The device comprises a projection module and a perpendicular incidence module, the projection module reflects orthopedic light rays, and the perpendicular incidence module refracts the orthopedic light rays; a projection lens is arranged in front of the projection module and the direct injection module, light rays generated by reflection of the projection module generate a first light type through the projection lens, light rays generated by refraction of the direct injection module generate a second light type through the projection lens, and the ideal illumination light type is achieved through the projection module and the direct injection module. And regulatory requirements of automobile lamp light types are met.

Description

Technical Field

[0001] This utility model relates to the field of vehicle lighting, and more specifically, to a vehicle lamp module. Background Technology

[0002] Ideally, headlights should have a brighter beam near the HV line, gradually dimming further away without significant abrupt changes in brightness. This ensures some light shines down onto the road without being excessively bright enough to cause glare from reflections – this is Zone I, characterized by relatively dim light. A brighter beam illuminates the area 10-25 meters ahead, providing sufficient illumination for the immediate road – this is Zone II, characterized by relatively bright light. The brightest beam extends further, beyond 25 meters, allowing the driver to clearly see distant road conditions and react in advance – this is Zone III, characterized by the brightest beam at the HV line. Above the HV line, or the cutoff line, the light is dimmer, ensuring it doesn't glare oncoming vehicles or pedestrians and reflects light off road signs for visibility – this is Zone IV. Furthermore, the beam pattern should not exhibit color dispersion that results in a bluish or yellowish tint, as this can increase driver fatigue and lead to drowsy driving.

[0003] Existing automotive lighting solutions include projection and direct beam methods. In projection methods, the light emitted by the light source diverges and is reflected by a reflector, resulting in a large-angle deflection relative to the divergence angle. In direct beam methods, the light source is refracted by a lens, resulting in a small-angle deflection. The former produces a more uniform light pattern but lacks sharpness, while the latter produces a sharper light pattern but introduces chromatic aberration.

[0004] This application aims to provide a vehicle lighting module that combines the advantages of projection and direct-lighting solutions. Summary of the Invention

[0005] This invention overcomes the shortcomings of existing projection schemes, which are uniform but not sharp, and direct beam schemes, which are sharp but produce chromatic dispersion. It provides a vehicle headlight module that combines the advantages of projection and direct beam schemes while avoiding their defects. It uses the projection scheme to generate a first light pattern and the direct beam scheme to generate a second light pattern, thereby obtaining a more ideal vehicle headlight pattern at a lower cost.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A vehicle headlight module includes a projection module and a direct-projection module.

[0008] The projection module includes a first light source, a reflector, and a first heat sink; the direct projection module includes a second light source, an orthopedic lens, and a second heat sink.

[0009] The first light source is disposed on the first PCB and electrically connected to the first PCB, the second light source is disposed on the second PCB and electrically connected to the second PCB, the first heat sink is attached to the first PCB, and the second heat sink is attached to the second PCB;

[0010] A projection lens is installed in front of the projection module and the direct beam module. The light generated by the projection module through reflection is used to produce a first light pattern through the projection lens, and the light generated by the direct beam module through refraction is used to produce a second light pattern through the projection lens. The two light patterns are combined to produce an ideal headlight pattern.

[0011] Projection modules converge light through reflection, resulting in relatively coarse light control; some light rays may not pass through the reflective surface, leading to a more uniform light pattern. Direct-beam modules offer more precise light control, focusing the light more effectively to create a sharper light pattern. Specifically, projection modules, using a projection lens, combine reflection and refraction to create a more uniform light pattern, suitable for low beams or auxiliary lighting areas. Direct-beam modules, utilizing two refractions, allow for finer control of light direction and distribution, resulting in a sharper light pattern, potentially suitable for high beams or specific area lighting. Combining these two light patterns can produce a more ideal automotive light pattern, balancing the advantages of both reflection and refraction solutions.

[0012] Another advantage of this headlight module is the low coupling between the projection module and the direct beam module. Designers can adjust the number of projection modules and direct beam modules at low cost, based on the vehicle model and headlight pattern requirements, while meeting regulatory requirements, to meet the diverse needs of the market.

[0013] Preferably, the angle between the first PCB and the second PCB is an acute angle or a right angle. Since the projection module corresponding to the first PCB is used to generate the first light pattern and the second PCB is used to generate the second light pattern, considering the angular difference between the near beam and the far beam, the first PCB and the second PCB are set to have an acute angle, thereby controlling the reflector and the orthographic lens mounted on the first PCB and the second PCB, and thus controlling the corresponding optical path.

[0014] Preferably, the second heat sink has a first bonding surface and a second bonding surface. The first bonding surface is bonded to the first PCB, and the second bonding surface is bonded to the second PCB. The second heat sink has fins connected to the back side of the second bonding surface. The second PCB bonded to the second bonding surface has a second light source that generates heat. Therefore, the fins connected to the back side of the second bonding surface can effectively dissipate heat.

[0015] Preferably, both ends of the orthopedic lens are connected to the second PCB with positioning bolts, and the second mating surface of the second heat sink has positioning holes, with the positioning bolts threaded into these holes. The positioning bolts securely connect the orthopedic lens, the second PCB, and the second heat sink. This structure is used to position the orthopedic lens.

[0016] Preferably, the system also includes a bracket, on which the first PCB and the projection lens are fixedly connected. The first PCB, the first heat sink, and the second heat sink each have guide holes. The bracket has a guide cone that passes through the guide holes, thereby pre-positioning the bracket with the first PCB, the first heat sink, and the second heat sink. The bracket positions the projection module and the direct-projection module. Through the cooperation of the guide cone and the guide holes, the bracket completes the pre-positioning of the first heat sink and the second heat sink.

[0017] Preferably, the reflector bowl and the first PCB are connected by a first connecting bolt, the threaded section of which passes through the reflector bowl and the first PCB and is threadedly connected to the bracket. Thus, the bracket positions the reflector bowl, the first heat sink, and the first PCB.

[0018] Preferably, the two ends of the orthopedic lens and the second PCB are connected by a second connecting bolt. The threaded section of the second connecting bolt passes through the rectangular lens and the second PCB and is threadedly connected to the bracket. Thus, the bracket positions the second heat sink and the second PCB.

[0019] Preferably, a secondary reflector can be detachably connected to the front end of the primary reflector, and the secondary reflector is located below the primary reflector. The secondary reflector receives the light reflected by the primary reflector and reflects the light that would otherwise not reach the projection lens again, thereby improving light utilization and increasing brightness.

[0020] Preferably, the number of projection modules is one, and the number of direct-fire modules is one.

[0021] Preferably, there are two projection modules and one direct-projection module. The two projection modules share the same first PCB, and the projection modules are arranged on both sides of the direct-projection module.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] (1) By using two light sources and multiple lenses, an ideal lighting pattern is achieved, which meets the regulatory requirements for vehicle light patterns;

[0024] (2) The design of the heat sink ensures the stability and reliability of the light source when it is working at high brightness. The first heat sink and the second heat sink independently dissipate heat for the corresponding light source. In particular, the second heat sink, in addition to its heat dissipation function, also serves to position the second PCB and the orthopedic lens.

[0025] (3) The combination of projection module and direct beam module has low coupling characteristics. Designers can adjust the number of projection module and direct beam module at low cost according to the needs of vehicle model and headlight pattern, while meeting the requirements of regulations, to meet the diverse needs of the market. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the perspective module;

[0027] Figure 2 This is a schematic diagram of the direct-fire module mounted on the first PCB;

[0028] Figure 3 yes Figure 2 Exploded view;

[0029] Figure 4 This is a schematic diagram of a projection lens;

[0030] Figure 5 These are schematic diagrams of the first PCB and the second PCB;

[0031] Figure 6 This is a schematic diagram of a projection module and a direct-projection module in this utility model;

[0032] Figure 7 This is a schematic diagram of the two projection modules and one projection module of this utility model;

[0033] In the picture:

[0034] 1. First light source; 2. Reflector bowl; 3. First PCB; 4. First connecting bolt; 5. First heat sink; 6. Second light source; 7. Orthopedic lens; 8. Second heat sink; 9. Projection lens; 10. Second PCB; 11. Lens plate; 12. Lens body; 13. First bonding surface; 14. Second bonding surface; 15. Fin; 16. Positioning bolt; 17. Positioning hole; 18. Bracket; 19. Guide hole; 20. Guide cone; 21. Second connecting bolt; 22. Secondary reflector bowl. Detailed Implementation

[0035] The present disclosure will be further described below with reference to the accompanying drawings and embodiments.

[0036] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0037] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0038] In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These are only relational terms determined for the convenience of describing the structural relationships of various components or elements of the present disclosure, and do not specifically refer to any component or element in the present disclosure. They should not be construed as limitations to the present disclosure.

[0039] In the present disclosure, terms such as "fixed connection", "connected", "connected to" should be understood in a broad sense, which may mean a fixed connection, an integral connection or a detachable connection; it may be directly connected or indirectly connected through an intermediate medium. For those related scientific research or technical personnel in this field, the specific meanings of the above terms in the present disclosure can be determined according to specific circumstances, and should not be construed as limitations to the present disclosure.

[0040] Embodiment:

[0041] A vehicle lamp module, as shown in Figure 1 and Figure 2 includes a projection module and a direct illumination module. The light patterns generated by the projection module and the direct illumination module are combined to form the vehicle lamp light pattern.

[0042] As shown in Figure 1 , the projection module includes a first light source 1, a reflector 2 and a first radiator 5. The first light source 1 is disposed on a first PCB 3 and is electrically connected to the first PCB 3. The first light source 1 is an LED lamp, and the number of the first light sources 1 is not fixed and may be one or more than two. The first light source 1 is disposed on the first PCB 3, and a peripheral circuit connecting the first light source 1 is provided on the first PCB 3. It is assumed that the side of the first PCB 3 with the first light source 1 is the front side, and the first radiator 5 is fixedly connected to the front side of the first PCB 3. The first light source 1 is located in the reflector 2. The first radiator 5 is attached to the back side of the first PCB 3 and is disposed at a position corresponding to the reflector 2.

[0043] The scattered light generated by the first light source 1 is emitted forward through the convergence of the reflector 2. The reflector 2 corrects the light direction through its reflecting surface.

[0044] As shown in Figure 2As shown, the direct projection module includes a second light source 6, an orthopedic lens 7, and a second radiator 8. The second light source 6 is an LED, and the second light source 6 is disposed on the second PCB 10 and electrically connected to the second PCB 10. The second light source 6 is one or more. The peripheral circuit of the second light source 6 is provided on the second PCB 10. In some embodiments, the second PCB 10 is electrically connected to the first PCB 3 through a jumper wire and is powered by the first PCB 3. Assuming that the side of the second PCB 10 with the second light source 6 is the front side, the orthopedic lens 7 is adhered to the front side of the second PCB 10. The side of the orthopedic lens 7 facing the second PCB 10 is recessed, and the second light source 6 is located at the recess. The second radiator 8 is adhered to the back side of the second PCB 10, and the position of the second radiator 8 corresponds to the position of the second light source 6 (in the front projection view of the second PCB 10, the second radiator 8 and the second light source 6 coincide).

[0045] The scattered light generated by the second light source 6 is projected forward through the convergence of the orthopedic lens 7. The orthopedic lens 7 refracts the light for orthopedic correction.

[0046] Refer to Figure 4 As shown, a projection lens 9 is provided in front of the projection module and the direct projection module. The light generated by the projection module through reflection passes through the projection lens 9 to generate a first light pattern, and the light generated by the direct projection module through refraction passes through the projection lens 9 to generate a high beam light pattern. Among them, the projection lens 9 includes a lens plate 11 and a lens body 12. In some embodiments, the lens body 12 is an integral structure with the lens plate 11, but this is not limited thereto. Those skilled in the art can set the structure of the projection lens 9 according to actual positioning requirements. For example, it can be a split structure of the lens plate 11 and the lens body 12, and can be installed by embedding or other structures. In front of the projection module and the direct projection module, the corresponding lens body 12 is provided on the lens plate 11, and the lens body 12 has a curvature adapted to the projection module and the direct projection module, so as to generate the final light patterns of the projection module and the direct projection module.

[0047] Refer to Figure 5 As shown, considering that the light patterns generated by the projection module and the direct projection module are respectively used for low beam and high beam, the low beam illuminates the nearby area while the high beam illuminates the distant area. To generate the two light patterns, there needs to be an angular difference in the emission of light. Therefore, the angle between the first PCB 3 and the second PCB 10 is an acute angle or a right angle. Considering the angular difference between the low beam light pattern and the high beam light pattern, the first PCB 3 and the second PCB 10 are provided with an acute angle to control the reflector bowl 2 and the orthopedic lens 7 mounted on the first PCB 3 and the second PCB 10, and thus generate the corresponding light paths. The angle of this acute angle is controlled between 60 degrees and 90 degrees.

[0048] Refer to Figure 3As shown, the second radiator 8 is provided with a first fitting surface 13 and a second fitting surface 14. The first fitting surface 13 is fitted to the first PCB 3, and the second fitting surface 14 is fitted to the second PCB 10. The second radiator 8 is provided with fins 15, and the fins 15 are connected to the back of the second fitting surface 14. The second PCB 10 fitted to the second fitting surface 14 has a second light source 6 that generates heat. Therefore, the fins 15 connected to the back of the second fitting surface 14 can effectively dissipate heat. The second fitting surface 14 is also used to position the orthopedic lens 7. Specifically, positioning bolts 16 are connected to both ends of the orthopedic lens 7 and the second PCB 10, and positioning holes 17 are provided on the second fitting surface 14 of the second radiator 8. The positioning bolts 16 are threadedly connected to the positioning holes 17. The positioning bolts 16 fixedly connect the orthopedic lens 7, the second PCB 10, and the second radiator 8. This structure is used to position the orthopedic lens 7.

[0049] As shown in Figure 6 and Figure 7 shown, it further includes a bracket 18. The first PCB 3 and the projection lens 9 are both fixedly connected to the bracket 18. The first PCB 3, the first radiator 5, and the second radiator 8 are all provided with guide holes 19, and the bracket 18 is provided with guide cones 20. The guide cones 20 pass through the guide holes 19 to pre-position the bracket 18 with the first PCB 3, the first radiator 5, and the second radiator 8. The bracket 18 positions the projection module and the direct projection module. Through the cooperation of the guide cones 20 and the guide holes 19, the bracket 18 completes the pre-positioning of the first radiator 5 and the second radiator 8. The reflecting bowl 2 and the first PCB 3 are connected by a first connecting bolt 4. The screw section of the first connecting bolt 4 passes through the reflecting bowl 2 and the first PCB 3 and is threadedly connected to the bracket 18. Thus, the bracket 18 positions the reflecting bowl 2, the first radiator 5, and the first PCB 3. Both ends of the orthopedic lens 7 and the second PCB 10 are connected by a second connecting bolt 21. The screw section of the second connecting bolt 21 passes through the rectangular lens and the second PCB 10 and is threadedly connected to the bracket 18. Thus, the bracket 18 positions the second radiator 8 and the second PCB 10.

[0050] As shown in Figure 1 shown, a sub-reflecting bowl 22 is detachably connected to the front end of the reflecting bowl 2, and the sub-reflecting bowl 22 is arranged below the reflecting bowl 2. The sub-reflecting bowl 22 receives the light reflected by the reflecting bowl 2, and reflects the light that originally could not reach the projection lens 9 again to reach the projection lens 9, improving the utilization rate of light and increasing the brightness.

[0051] As shown in Figure 6 shown, in some embodiments, the number of projection modules is one, and the number of direct projection modules is one.

[0052] As shown in Figure 7As shown, in some other embodiments, there are two projection modules and one direct projection module. The two projection modules share the same first PCB3, and the projection modules are arranged on both sides of the direct projection module.

[0053] The projection module focuses light through reflection, resulting in relatively coarse light control; some light rays may not pass through the reflective surface, leading to a more uniform light pattern. The direct-beam module offers more precise light control, focusing the light more effectively to create a sharper light pattern. Specifically, the light generated by the projection module passes through the projection lens 9, utilizing a combination of reflection and refraction, suitable for creating a more uniform light pattern, ideal for low beam or auxiliary lighting areas. The direct-beam module utilizes two refractions, allowing for more precise control of the light direction and distribution, suitable for creating a sharper light pattern, potentially used for high beam or specific area lighting. The combination of these two light patterns can produce a more ideal automotive light pattern, balancing the advantages of both reflection and refraction solutions.

[0054] Another advantage of this headlight module is the low coupling between the projection module and the direct beam module. Designers can adjust the number of projection modules and direct beam modules at low cost, based on the vehicle model and headlight pattern requirements, while meeting regulatory requirements, to meet the diverse needs of the market.

[0055] The embodiments described above are merely preferred solutions of this utility model and are not intended to limit this utility model in any way. Other variations and modifications are possible without departing from the technical solutions described in the claims.

Claims

1. A vehicle headlight module, characterized in that, Includes projection modules and direct-fire modules; The projection module includes a first light source, a reflector bowl, and a first heat sink; the direct projection module includes a second light source, an orthopedic lens, and a second heat sink. The first light source is disposed on the first PCB and electrically connected to the first PCB, the second light source is disposed on the second PCB and electrically connected to the second PCB, the first heat sink is attached to the first PCB, and the second heat sink is attached to the second PCB; A projection lens is provided in front of the projection module and the direct projection module. The projection module generates a first light pattern by reflecting light through the projection lens, and the direct projection module generates a second light pattern by refracting light through the projection lens.

2. The vehicle headlight module according to claim 1, characterized in that, The angle between the first PCB and the second PCB is an acute angle or a right angle.

3. A vehicle headlight module according to claim 1, characterized in that, The second heat sink has a first bonding surface and a second bonding surface. The first bonding surface is bonded to the first PCB, and the second bonding surface is bonded to the second PCB. The second heat sink has fins, and the fins are connected to the back side of the second bonding surface.

4. A vehicle headlight module according to claim 3, characterized in that, Both ends of the orthopedic lens are connected to the second PCB by positioning bolts, and the second mating surface of the second heat sink is provided with positioning holes, and the positioning bolts are threaded to the positioning holes.

5. A vehicle headlight module according to claim 1, characterized in that, It also includes a bracket, on which the first PCB and the projection lens are fixedly connected. The first PCB, the first heat sink and the second heat sink are all provided with guide holes. The bracket is provided with a guide cone, which passes through the guide hole to pre-position the bracket with the first PCB, the first heat sink and the second heat sink.

6. A vehicle headlight module according to claim 5, characterized in that, The reflector bowl and the first PCB are connected by a first connecting bolt. The threaded section of the first connecting bolt passes through the reflector bowl and the first PCB and is threadedly connected to the bracket.

7. A vehicle headlight module according to claim 5, characterized in that, The two ends of the orthopedic lens and the second PCB are connected by a second connecting bolt. The screw section of the second connecting bolt passes through the rectangular lens and the second PCB and is threadedly connected to the bracket.

8. A vehicle headlight module according to claim 1, characterized in that, The front end of the reflector bowl can also be detachably connected to a secondary reflector bowl, which is located below the primary reflector bowl.

9. A vehicle headlight module according to any one of claims 1 to 8, characterized in that, There is one projection module and one direct-fire module.

10. A vehicle lighting module according to any one of claims 1 to 8, characterized in that, There are two projection modules and one direct-projection module. The two projection modules share the same first PCB, and the projection modules are located on both sides of the direct-projection module.

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