Lens support assembly and vehicle lamp module

Abstract

The utility model provides a lens support assembly and a car lamp module, and relates to the technical field of car lamp illumination, the lens support assembly comprises a lens and a lens support which are arranged on the light emitting side of a light source, the lens is arranged on the lens support, light emitted by the light source passes through the lens and finally forms an illumination light pattern, the lens support is provided with an avoiding hole, and the avoiding hole is communicated with the lens support. External light rays are converged through the lens and then enter the avoiding hole, and a focusing area is formed in the avoiding hole. By arranging the avoiding hole, external light penetrating through the lens cannot be focused on the surface of the lens support, so that the lens support is protected, the safety of the lens support is improved, and the service life of the lens support is prolonged. The utility model further provides a car lamp module which adopts the lens support assembly, the safety is higher, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp lighting, in particular to a lens bracket assembly and a vehicle lamp module. Background Art

[0002] The projection-type high and low beam module has gradually replaced the traditional reflector module due to its excellent irradiation performance and light type performance. At present, the projection module is widely used in the high and low beam function of automobile headlights. In simple terms, the projection module collects and projects the light emitted by the light source through a secondary lens. The module lenses on the market are of various shapes, but the basic principle is to image the primary optical elements or light sources inside the module. Among them, the lens is an indispensable component of the module. It has the function of collecting and projecting the light emitted by the light source and protecting the internal electronic components, but at the same time, the lens also has some side effects. When the headlight is in normal use, it will be exposed to external sunlight. The sunlight hitting the lens will converge into a focus or a near focus through the refraction of the lens. The sunlight at different angles will form a focal plane or a near focal plane through the refraction of the lens. This focal plane area forms a high temperature due to the concentration of energy. If the light is directly focused on the lens bracket, it will melt the lens bracket and easily cause the risk of aging or direct burning of internal parts. This is a common problem in existing projection modules. How to perfectly deal with this problem is a technical difficulty in the design of projection modules.

[0003] At present, the more common solution is to add a metal protection plate to the area at the bottom of the lens bracket that is easily melted, and use the high temperature resistance of the metal material to reduce the damage of the focused sunlight to the lens bracket. However, this method will increase the number of parts and installation processes, resulting in increased production costs, and the reflection of the protection plate is also likely to cause astigmatism problems in the headlights. Utility Model Content

[0004] The purpose of the utility model is to provide a lens bracket assembly and a vehicle light module to solve the above technical problems.

[0005] In the first aspect, an embodiment of the utility model provides a lens bracket assembly, which includes: a lens and a lens bracket arranged on the light emitting side of a light source, the lens is arranged on the lens bracket, and the light emitted by the light source finally forms an illumination light pattern after passing through the lens. The lens bracket also has an avoidance hole, and the external light is converged by the lens and enters the avoidance hole, and forms a focusing area in the avoidance hole.

[0006] Furthermore, the avoidance hole is arranged on the bottom wall of the lens holder.

[0007] Furthermore, the lens holder assembly also includes a light exit baffle located beside the lens optical axis, one end of the light exit baffle is connected to the inner side of the lens holder, and the connection between the light exit baffle and the lens holder is located on the side of the avoidance hole away from the lens.

[0008] Furthermore, the light exit baffle includes a convex portion and a shielding portion, one end of the convex portion is fixedly connected to the lens bracket, and the other end is connected to the shielding portion, and a bend is formed at the connection between the convex portion and the shielding portion.

[0009] Furthermore, one end of the convex portion close to the shielding portion extends toward a direction close to the top of the lens holder.

[0010] Furthermore, one end of the shielding portion away from the convex portion is tilted toward a direction close to the top of the lens holder.

[0011] Furthermore, a reflective structure is provided on the surface of the shielding portion.

[0012] Furthermore, the reflective structure is an arranged columnar pattern.

[0013] Furthermore, the light exit baffle and the lens bracket are an integrally formed part.

[0014] Furthermore, the convex portion is provided with a groove structure or a boss structure, the groove structure is concave in a direction away from the lens, and the boss structure is convex in a direction close to the lens.

[0015] On the other hand, an embodiment of the utility model also provides a vehicle lamp module, which includes a light source and any of the lens holder assemblies described above, wherein the lens of the lens holder assembly is arranged on the light emitting side of the light source, and the light emitted by the light source finally forms an illumination light pattern after passing through the lens.

[0016] The utility model provides a lens support assembly, which includes: a lens configured on the light emitting side of a light source and a lens support, the lens is arranged on the lens support, the light emitted by the light source forms an illumination light pattern after passing through the lens, the lens support has an avoidance hole, the external light on the side of the lens away from the light source is converged by the lens and enters the avoidance hole, and forms a focusing area in the avoidance hole. By setting the avoidance hole, the external light passing through the lens cannot be focused on the surface of the lens support, thereby protecting the lens support and improving the safety and service life of the lens support.

[0017] The utility model also provides a vehicle light module, which includes a light source and any one of the lens bracket assemblies described above. By adopting the lens bracket assembly described above, it is possible to effectively prevent external light from irradiating the vehicle light module and damaging the lens bracket after being refracted and focused by the lens, thereby improving the safety of the vehicle light module. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the optical path of external light provided in an embodiment of the utility model after being focused by the lens support assembly;

[0020] Figure 2 One of the structural schematic diagrams of the lens bracket assembly provided in the embodiment of the utility model;

[0021] Figure 3 A schematic diagram of the optical path of external light focused after passing through the lens support assembly in the prior art;

[0022] Figure 4 A schematic diagram of the light path when a light exit baffle is provided in the lens support assembly provided in an embodiment of the utility model;

[0023] Figure 5 The second structural schematic diagram of the lens bracket assembly provided by the embodiment of the utility model;

[0024] Figure 6 The third structural schematic diagram of the lens bracket assembly provided in the embodiment of the utility model.

[0025] Icons: 100 - lens; 200 - lens bracket; 300 - avoidance hole; 400 - light exit baffle; 401 - convex part; 402 - shielding part; 4011 - groove structure; 4012 - boss structure. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model 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 invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Example 1

[0031] Please refer to Figure 1 As shown, this embodiment provides a lens holder assembly, which includes: a lens 100 and a lens holder 200 arranged on the light emitting side of a light source, the lens 100 is arranged on the lens holder 200, and the light emitted by the light source finally forms an illumination light pattern after passing through the lens 100, and the lens holder 200 also has an avoidance hole 300, and the external light is incident on the avoidance hole 300 after being converged by the lens 100, and a focusing area is formed in the avoidance hole 300.

[0032] The lens is an optical element that converges the light from the headlight source so that the light from the light source can illuminate the corresponding area and ensure the illumination of the lighting pattern. Traditional lenses are usually plano-convex or bi-convex lenses. In actual use, the lens is directly exposed to the sun's rays, and the sun's rays passing through the lens from the outside will be focused. High temperatures will be generated at the focus position of the sun's rays, and the lens bracket on the headlight assembly is mostly made of plastic materials, which cannot withstand the high temperature at the focus position and are prone to melting at high temperatures, causing damage to the lens bracket on the headlight assembly, posing certain safety hazards. Please refer to Figure 3 As shown, in the prior art, a metal protection plate is usually set in the focusing area of ​​the external light after passing through the lens, but this will increase the production cost, and the weight, vibration performance and aesthetics of the headlight will be affected after the metal plate is set. Figure 1As shown, the lens holder 200 of the lens holder assembly provided in this embodiment is provided with an avoidance hole 300, and the avoidance hole 300 is just located in the focusing area after the external light passes through the lens 100. When the external light passes through the lens and converges into a focal point, the energy of the focal point is relatively large. If the focal point is just located on the lens holder, the lens holder will be burned. In this embodiment, the focal point of the external light after passing through the lens 100 is just focused on the avoidance hole 300 of the lens holder 200, so that the focal point cannot be focused on the material surface of the lens holder 200, so the energy gathered will not act on the lens holder 200. After or before focusing, the energy of the external light is much lower than the energy at the focal point, and the light is dispersed. Even if the dispersed light is irradiated on the lens holder 200 or other parts, it will not cause local temperature rise to damage the parts. By opening the avoidance hole 300 on the lens holder 200 to avoid the external light focused after the lens 100, the problem of melting the lens holder 200 due to the external light focusing through the lens 100 is solved. Since no parts are added, the production cost and subsequent installation operation steps will not be increased. Moreover, since the technical effect is achieved by avoiding the focal point of external light, local high temperature will not be generated in the lens holder 200, and safety is higher.

[0033] Optionally, in some implementations of this embodiment, the avoidance hole 300 is disposed on the bottom wall of the lens holder 200 .

[0034] Due to the difference in factors such as the height of the sun and the position of the headlight, the focal position of the sunlight after being refracted by the lens 100 is not the same. As the angle of sunlight irradiation changes, the focus will also move to form a focal plane or an approximate focal plane (hereinafter referred to as the focal plane). The lens bracket assembly provided in this embodiment is usually used in automobile headlights. In daily use, the sunlight irradiates the headlight from directly above or obliquely above, so the light passes through the lens 100 and converges on the bottom wall of the lens bracket 200. Therefore, it is only necessary to open a certain area of ​​the avoidance hole 300 on the bottom wall of the lens bracket 200. According to the different shapes and sizes of the lens bracket 200 and the lens 100, the focal point position of the sunlight passing through the lens 100 is also different. As the angle of sunlight irradiation changes, the position and size of the focal plane formed by the movement of the focal point are also different. Therefore, the specific size of the avoidance hole 300 is not limited in this embodiment. During production, the position of the focal plane can be determined by simulating sunlight irradiation according to the size model of the lens bracket 200 and the lens 100, and the avoidance hole 300 can be opened accordingly.

[0035] Optionally, in some implementations of the present embodiment, the lens holder assembly further includes a light emitting baffle 400 located beside the optical axis of the lens 100, one end of the light emitting baffle 400 is connected to the inner side of the lens holder 200, and the connection between the light emitting baffle 400 and the lens holder 200 is located on the side of the avoidance hole 300 away from the lens 100.

[0036] Please refer to Figure 1 and Figure 2 As shown, in this embodiment, the light-emitting baffle 400 is disposed at one end of the avoidance hole 300 away from the lens 100, and is used to shield the avoidance hole 300, so as to prevent the light emitted by the light source in the lens holder 200 from being emitted from the avoidance hole 300 and causing light leakage. By disposing the light-emitting baffle 400 at one end of the avoidance hole 300 away from the lens 100, the avoidance hole 300 will not be blocked, thereby affecting the effect of the avoidance hole 300 in preventing the sunlight from focusing and melting the lens holder 200, and light leakage of the lens holder 200 can be well avoided when the vehicle lamp is illuminated.

[0037] Optionally, in some implementations of the present embodiment, the light output baffle 400 includes a protrusion 401 and a shielding portion 402, one end of the protrusion 401 is fixedly connected to the lens holder 200, and the other end is connected to the shielding portion 402, and a bend is formed at the connection between the protrusion 401 and the shielding portion 402.

[0038] Furthermore, one end of the convex portion 401 close to the shielding portion 402 extends toward a direction close to the top of the lens holder 200 .

[0039] Please refer to Figure 1 and Figure 2 As shown, in this embodiment, the light baffle 400 includes a protrusion 401 and a shielding portion 402. The protrusion 401 extends upward from the bottom wall of the lens holder 200. At the same time, the shielding portion 402 is arranged inside the lens holder 200 and connected to the extended end of the protrusion 401. The shielding portion 402 can partially block the light emitted by the light source to ensure that the light emitted by the light source is emitted from the lens 100 instead of from the avoidance hole 300, thereby avoiding light leakage.

[0040] Please refer to Figure 2 As shown, the light exit baffle 400 is disposed inside the lens holder 200 , which can fully utilize the internal space of the lens holder 200 without increasing the volume of the lens holder 200 , thereby ensuring the adaptability of the lens holder 200 and improving the stability of the lens holder 200 after installation.

[0041] Optionally, in some implementations of this embodiment, the end of the shielding portion 402 away from the convex portion 401 is tilted toward a direction close to the top of the lens holder 200 .

[0042] Please refer to Figure 1 and Figure 2As shown, in this embodiment, the shielding portion 402 is gradually tilted downward from the lens 100 to the avoidance hole 300, and the end of the shielding portion 402 close to the lens 100 is higher than the end close to the convex portion 401, so that the end of the shielding portion 402 close to the lens 100 forms a step difference with the lens bracket 200 below. Since the external light always obliquely enters the interior of the lens bracket 200, it just passes through the step difference between the shielding portion 402 and the lens bracket 200 and focuses on the position of the avoidance hole 300. The light-emitting baffle 400 forms a light shielding structure, and the complete cover is arranged above the avoidance hole 300 to prevent the light emitted by the light source from leaking from the avoidance hole 300. At the same time, the tilting direction of the shielding portion 402 is consistent with the incident direction of the sunlight, forming an inclined avoidance channel, ensuring that the converged external sunlight can reach the avoidance hole 300 along the avoidance channel, and preventing the external sunlight from focusing on the shielding portion 402 and causing the shielding portion 402 to be burned.

[0043] Optionally, in some other embodiments, the shielding portion 402 may be gradually tilted upward from the direction of the lens 100 to the avoidance hole 300. The difference between this embodiment and the above embodiment is that the tilting direction of the shielding portion 402 is opposite to the tilting direction of the shielding portion 402 in the above implementation. However, the end of the shielding portion 402 close to the lens 100 still forms a step with the lens bracket 200 below, ensuring that the external sunlight passes through the step and converges at the avoidance hole 300. The shielding portion 402 is tilted upward from the direction of the lens 100 to the avoidance hole 300, which is the same as the emission angle of the light emitted by the light source, which can reduce the generation of more stray light due to the diffuse reflection of the light emitted by the light source by the shielding portion 402.

[0044] Optionally, in some implementations of this embodiment, Figure 1 and Figure 4 As shown, a reflective structure is provided on the surface of the shielding portion 402 .

[0045] The above-mentioned reflective structure is used to adjust the reflection angle of the shielding portion 402 to the light emitted by the light source, so that the light emitted by the light source is reflected in a desired direction and finally passes through the lens 100 to form an illumination light pattern. Figure 4 As shown, it can be understood that when the reflective structure is not provided on the surface of the shielding portion 402, it diffusely reflects the light emitted by the light source, and the reflection direction of the light is disordered, which easily leads to stray light and affects the lighting effect of the car lamp.

[0046] Optionally, in some implementations of this embodiment, the reflective structure is an arranged columnar pattern. The columnar pattern reflects the light emitted by the light source, so that the light is reflected toward the lens 100 and eventually becomes part of the lighting light pattern, thereby reducing the generation of stray light.

[0047] Optionally, in some other embodiments, the reflective structure may be other forms of pattern structures.

[0048] Optionally, in some implementations of this embodiment, the light exit baffle 400 and the lens holder 200 are integrally formed.

[0049] Please refer to Figure 1 and Figure 2 As shown, the edge of the lens holder 200 at one end of the avoidance hole 300 away from the lens 100 is folded and bent toward the inside of the lens holder 200 to form a light-emitting baffle 400, and the light-emitting baffle 400 is integrally formed with the lens holder 200. On the one hand, the lens holder 200 and the light-emitting baffle 400 are integrally formed, which can simplify the subsequent installation operation steps. On the other hand, the integrally formed lens holder 200 has a higher connection strength and better resistance to external impact and vibration. At the same time, since the light-shielding baffle and the lens holder 200 are integrally formed, the light-shielding baffle and the lens holder 200 form a whole, and the light-shielding baffle can also play a certain supporting role, making up for the defect that the supporting strength of the lens holder 200 is weakened due to the opening of the avoidance hole 300.

[0050] Optionally, in some implementations of this embodiment, Figure 5 , Figure 6 As shown, the convex portion 401 is provided with a groove structure 4011 or a boss structure 4012 , the groove structure 4011 is concave inwardly away from the lens 100 , and the boss structure 4012 is convex outwardly toward the direction close to the lens 100 .

[0051] Please refer to Figure 1 , Figure 5 and Figure 6 As shown, as the angle of sunlight changes, the position and size of the focal plane formed by the movement of the focal point are also different. Therefore, in some cases, the external light may be focused on the convex part 401 after passing through the lens 100, causing the light-emitting baffle 400 to be burned. Therefore, according to actual conditions, a groove structure 4011 or a boss structure 4012 can be set on the convex part 401 to prevent the focal point of the external light after passing through the lens 100 from falling on the convex part 401. When the groove structure 4011 is set, the external light continues to be transmitted to the convex part 401 after focusing, and when the boss structure 4012 is set, the external light is blocked by the convex part 401 before focusing. In either case, the convex part 401 does not have to bear the high temperature risk caused by the focusing of the external light, so as to prevent the light-emitting baffle 400 from being burned.

[0052] Example 2

[0053] This embodiment provides a vehicle lamp module, which includes a light source and any one of the above-mentioned lens holder assemblies. The lens 100 of the lens holder assembly is arranged on the light emitting side of the light source. The light emitted by the light source finally forms an illumination light pattern after passing through the lens 100.

[0054] In this embodiment, the headlight module adopts the above-mentioned lens bracket assembly, which can effectively prevent sunlight from burning the lens bracket 200 after being refracted and focused by the lens 100, and has high safety. Since the avoidance hole 300 is used to protect the lens bracket 200, no parts are added, and therefore the installation operation steps and production costs are not increased. In addition, since the avoidance hole 300 is provided, part of the weight of the lens bracket 200 is reduced, making the headlight module lighter, which helps to improve the performance of the vehicle.

[0055] In summary, the utility model provides a lens support assembly, which includes: a lens 100 and a lens support 200, wherein the lens 100 is arranged on the lens support 200, and the lens support 200 has an avoidance hole 300, and the external sunlight is incident on the avoidance hole 300 after being converged by the lens 100, and a focusing area is formed in the avoidance hole 300. By providing the avoidance hole 300, the sunlight passing through the lens 100 cannot be focused on the surface of the lens support 200 material, thereby protecting the lens support 200, and improving the safety and service life of the lens support 200.

[0056] The utility model also provides a vehicle light module, which includes a light source and any one of the above-mentioned lens bracket assemblies. By adopting the above-mentioned lens bracket assembly, it can effectively prevent sunlight from shining on the vehicle light module and melting the lens bracket 200 after being refracted and focused by the lens 100, thereby improving the safety of the vehicle light module.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A lens support assembly, characterized in that: include: A lens (100) and a lens holder (200) are arranged on the light emitting side of a light source, wherein the lens (100) is arranged on the lens holder (200), and the light emitted by the light source finally forms an illumination light pattern after passing through the lens (100), and the lens holder (200) further comprises an avoidance hole (300), and external light is incident on the avoidance hole (300) after being converged by the lens (100), and a focusing area is formed in the avoidance hole (300).

2. The lens support assembly according to claim 1, characterized in that: The avoidance hole (300) is arranged on the bottom wall of the lens bracket (200).

3. The lens holder assembly according to claim 1, characterized in that: The lens support assembly further comprises a light exit baffle (400) located beside the optical axis of the lens (100), one end of the light exit baffle (400) being connected to the inner side of the lens support (200), and a connection point between the light exit baffle (400) and the lens support (200) being located on a side of the avoidance hole (300) away from the lens (100).

4. The lens support assembly according to claim 3, characterized in that: The light exit baffle (400) comprises a convex portion (401) and a shielding portion (402); one end of the convex portion (401) is fixedly connected to the lens bracket (200), and the other end is connected to the shielding portion (402); and a bend is formed at the connection between the convex portion (401) and the shielding portion (402).

5. The lens support assembly according to claim 4, characterized in that: One end of the convex portion (401) close to the shielding portion (402) extends towards a direction close to the top of the lens bracket (200).

6. The lens support assembly according to claim 4, characterized in that: One end of the shielding portion (402) away from the convex portion (401) is arranged to be inclined in a direction close to the top of the lens bracket (200).

7. The lens support assembly according to claim 4, characterized in that: The surface of the shielding portion (402) is provided with a reflective structure.

8. The lens support assembly according to claim 7, characterized in that: The reflective structure is an arranged columnar pattern.

9. The lens support assembly according to claim 3, characterized in that: The light exit baffle (400) and the lens bracket (200) are integrally formed parts.

10. The lens holder assembly according to claim 4, characterized in that: The convex portion is provided with a groove structure (4011) or a boss structure (4012), wherein the groove structure (4011) is concave in a direction away from the lens (100), and the boss structure (4012) is convex in a direction close to the lens.

11. A vehicle light module, characterized in that: It comprises a light source and a lens support assembly as described in any one of claims 1 to 10, wherein the lens (100) of the lens support assembly is arranged on the light emitting side of the light source, and the light emitted by the light source finally forms an illumination light pattern after passing through the lens (100).

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