Car lamp module and car lamp
Patent Information
- Application Number
- CN202380090073.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-25
- Publication Date
- 2025-08-08
Smart Images
Figure CN120457300A_ABST
Abstract
Description
Vehicle light module and vehicle light Technical Field
[0001] The present application relates to the field of vehicle lighting, and more specifically, to a vehicle lighting module and a vehicle lighting. Background Art
[0002] An increasing number of electric vehicles are relocating the original engine compartment to the trunk space, placing higher demands on the front-to-back dimensions of the headlight module. The smaller the front-to-back dimensions, the larger the trunk space. Existing headlight modules typically use an ellipsoidal reflector to converge light from a light source located at the near focus of the ellipsoidal surface to the far focus of the ellipsoidal surface. The far focus of the ellipsoidal surface is located at the focal point of a convex lens. The convex lens then forms an image of the light spot formed at the focal point of the convex lens. However, this results in a large front-to-back dimension for the headlight module, which cannot meet the demand for larger trunk space.
[0003] Summary of the Invention
[0004] The purpose of the present application includes, for example, providing a vehicle light module that is flattened to reduce the size of the vehicle light module in the front-to-rear direction.
[0005] The object of the present application includes, for example, providing a vehicle lamp capable of reducing the size of the vehicle lamp in the front-to-rear direction.
[0006] The embodiments of the present invention are achieved through the following technical solutions:
[0007] A vehicle light module includes a side light source, and a reflector group and a lens arranged in sequence along the light path transmission direction. The reflector group includes a first reflector and a second reflector. The first reflector and the second reflector are arranged relative to each other in a first direction perpendicular to the main optical axis. The side light source is arranged corresponding to the first reflector. Light emitted by the light source is reflected by the first reflector and the second reflector in sequence, and then refracted by the lens and emitted.
[0008] Furthermore, the reflector group includes two groups, and the two groups of reflector groups are arranged on the upper and lower sides of the main optical axis.
[0009] Furthermore, the second reflectors of the two reflector groups have an included angle and are integrally formed.
[0010] Furthermore, the lens includes at least one of a plano-convex lens, a biconvex lens or a concave-convex lens.
[0011] Furthermore, the incident surface of the lens includes two incident areas connected to each other, and the two incident areas are used to respectively transmit the light emitted through the two groups of reflective mirror groups.
[0012] Furthermore, a light blocking plate is provided on the light incident side of the lens, and the light blocking plate is located between the two incident areas.
[0013] Furthermore, it also includes a central light source. There is a gap between the second reflectors of the two groups of reflector groups. The central light source is arranged corresponding to the gap. The light emitted by the central light source enters the lens through the gap and then exits.
[0014] Furthermore, a third reflector group is included, which includes a plurality of sub-reflectors symmetrically arranged about the central light source, and part of the light emitted by the central light source is reflected by the sub-reflectors after passing through the gap and then emitted toward the lens.
[0015] Furthermore, the sub-reflector and the second reflector have an included angle and are integrally formed.
[0016] Furthermore, the lens includes a central area located in the center and side areas located on both sides of the central area. The light emitted by the central light source is emitted from the central area of the lens, and the light emitted by the side light sources is emitted from the side areas of the lens.
[0017] Furthermore, the central area is connected to the two side areas respectively.
[0018] Furthermore, a plurality of the reflector groups are arranged along a second direction, and the second direction is perpendicular to the main optical axis direction and the first direction respectively.
[0019] Furthermore, the incident surface of the lens includes at least one curved surface, and the exit surface of the lens includes at least one curved surface.
[0020] Furthermore, the second reflector is a one-way collimating reflector, and the reflective surface of the second reflector is a stretched surface in which a curve is stretched unidirectionally along a third direction, and the third direction has an angle with respect to the first direction.
[0021] Furthermore, the incident surface or the exit surface of the lens is a unidirectional collimating surface, and the incident surface or the exit surface of the lens is a stretching surface in which a curve is unidirectionally stretched along a second direction, and the second direction is perpendicular to the main optical axis direction and the first direction respectively.
[0022] Furthermore, the first reflector is a low-beam reflector, and the low-beam reflector has a light-dark cutoff line structure at a boundary close to the side light source, and the focus formed by the second reflector and the lens is set at the boundary of the low-beam reflector close to the side light source;
[0023] And / or, the first reflector is a high-beam reflector, and the focus formed by the second reflector and the lens is set on the reflection surface of the high-beam reflector.
[0024] A headlight comprises the headlight module described above, which is arranged inside the headlight. The light emitted by the headlight module is emitted from the light-emitting side of the headlight to form a light pattern.
[0025] The technical solution of the present invention has at least the following advantages and beneficial effects:
[0026] In the vehicle light module provided by the embodiment of the present application, the reflector group and the lens are sequentially arranged along the main optical axis direction, and the main optical axis direction is the front-to-back direction of the vehicle light module. The reflector group includes a first reflector and a second reflector, and the first reflector and the second reflector are relatively arranged along a first direction perpendicular to the main optical axis direction, and the first direction is the up-down direction of the vehicle light module. In this way, the size of the vehicle light module in the front-to-back direction is reduced. The side light source is arranged corresponding to the first reflector, and the light emitted by the side light source is sequentially reflected by the first reflector and the second reflector, and then refracted by the lens to obtain the desired light output pattern. In the vehicle light module provided by the embodiment of the present application, the reflector group is arranged in the up-down direction of the vehicle light module, which reduces the size of the vehicle light module in the front-to-back direction, so that the vehicle light module can meet the demand for flattening.
[0027] The present application also provides a vehicle lamp comprising the aforementioned vehicle lamp module disposed therein, wherein light emitted by the vehicle lamp module is emitted from the light-emitting side of the vehicle lamp. Because the vehicle lamp module has a relatively small front-to-back dimension, more space is left in the front and back of the vehicle lamp for other items, thereby facilitating user use and improving user satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and should not be construed as limiting the scope of the present invention. It is possible for those skilled in the art to derive other drawings based on these drawings without inventive effort.
[0029] FIG1 is a schematic structural diagram of a vehicle light module provided in the first embodiment of the present application;
[0030] FIG2 is a light path diagram of a vehicle light module provided in the first embodiment of the present application;
[0031] FIG3 is a schematic diagram of focus formation of a vehicle light module provided by the first embodiment of the present application;
[0032] FIG4 is a schematic diagram of the structure of a vehicle light module provided in a second embodiment of the present application;
[0033] FIG5 is an exploded view of a vehicle lamp module provided in a second embodiment of the present application;
[0034] FIG6 is a cross-sectional view of a vehicle lamp module provided in a second embodiment of the present application;
[0035] FIG7 is a light path diagram of a vehicle light module provided in a second embodiment of the present application;
[0036] FIG8 is a schematic diagram of focus formation of a vehicle light module provided by a second embodiment of the present application;
[0037] FIG9 is a schematic diagram of the structure of a vehicle light module provided in a third embodiment of the present application;
[0038] FIG10 is an exploded view of a vehicle light module according to a third embodiment of the present application;
[0039] FIG11 is a cross-sectional view of a vehicle lamp module provided in a third embodiment of the present application;
[0040] FIG12 is a schematic diagram of focus formation of a vehicle light module provided by a third embodiment of the present application;
[0041] FIG13 is a schematic diagram of a partial structure of an optical module provided in a third embodiment of the present application;
[0042] FIG14 is a second schematic diagram of a partial structure of an optical module provided in the third embodiment of the present application;
[0043] FIG15 is a schematic diagram of a lens structure of an optical module according to a third embodiment of the present application;
[0044] FIG16 is a second schematic diagram of the lens structure of the optical module provided in the third embodiment of the present application.
[0045] Icons: 100-headlight module; 101-heat sink; 102-circuit board; 102a0-central light source; 102a1-side light source; 103-first reflector; 103a-high beam reflector; 103b-low beam reflector; 103b1-cut-off line structure; 104-lens; 104a-incident area; 104b-central area; 104c-side area; 105-second reflector; 106-lens bracket; 107-light baffle; 108-third reflector group; 108a-sub-reflector; F-focus; A-main optical axis direction; F1-first direction; F2-second direction; F3-third direction. DETAILED DESCRIPTION
[0046] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0047] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.
[0048] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.
[0049] It should be noted that, in the description of the embodiments of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0050] Please refer to Figure 1, an embodiment of the present application provides a vehicle lamp module 100, including a side light source, and a reflector group and a lens 104 arranged in sequence along the light path transmission direction. The reflector group includes a first reflector 103 and a second reflector 105. The first reflector 103 and the second reflector 105 are arranged relative to each other along a first direction F1 perpendicular to the main optical axis direction A. The side light source is arranged corresponding to the first reflector 103. The light emitted by the side light source is reflected by the first reflector 103 and the second reflector 105 in sequence, and then refracted by the lens 104 to form a light output pattern.
[0051] Furthermore, the lens 104 includes at least one of a plano-convex lens, a biconvex lens or a concave-convex lens, and at least one of the incident surface and the exit surface of the lens 104 is a convex surface to achieve the function of converging light.
[0052] The reflector assembly includes a first reflector 103 and a second reflector 105, wherein the first reflector 103 is a low-beam reflector 103b and / or a high-beam reflector 103a for achieving low-beam lighting and / or high-beam lighting. The reflector assembly and the lens 104 are arranged sequentially along the principal optical axis, and the first reflector 103 and the second reflector 105 in the reflector assembly are arranged opposite each other along the first direction F1. In other words, the first reflector 103 and the second reflector 105 are arranged side by side along the first direction F1, and light can be reflected from the first reflector 103 to the second reflector 105. It should be noted that the principal optical axis refers to the point at which parallel light rays converge after passing through the lens 104, and this point is located along the axis along the front-to-back direction of the lamp module 100.
[0053] The main optical axis direction A is the front-to-back direction of the headlight module 100, and the first direction F1 is the up-down direction of the headlight module 100. In this application, the first reflector 103 and the second reflector 105 are arranged side by side along the first direction F1, which is equivalent to arranging the first reflector 103 and the second reflector 105 in the up-down direction of the headlight module 100. In this way, the size of the entire headlight module 100 in the front-to-back direction is shortened.
[0054] The side light source is set corresponding to the first reflector 103. The light emitted by the side light source enters the first reflector 103 and is reflected by the first reflector 103 to the second reflector 105. It is reflected again by the second reflector 105 and finally refracted twice by the incident surface and the output surface of the lens 104 before being emitted to form the required light output light pattern.
[0055] In summary, the vehicle light module 100 provided in the embodiment of the present application comprises a reflector assembly and a lens 104 arranged sequentially along a principal optical axis direction A, which is the front-to-back direction of the vehicle light module 100. The reflector assembly includes a first reflector 103 and a second reflector 105, which are arranged opposite each other along a first direction F1, which is the up-down direction of the vehicle light module 100. A side light source is arranged corresponding to the first reflector 103. Light emitted by the side light source is reflected by the first reflector 103, then emitted to the second reflector 105. After being reflected again by the second reflector 105, it is finally refracted by the lens 104 before being emitted to form an output light pattern. In the vehicle light module 100 provided in the embodiment of the present application, the reflector group and the lens 104 are arranged along the front-to-back direction of the vehicle light module 100, and the first reflector 103 and the second reflector 105 in the reflector group are arranged along the top-to-bottom direction of the vehicle light module 100, thereby reducing the size of the vehicle light module 100 in the front-to-back direction, so that the vehicle light module 100 can meet the requirement of flattening.
[0056] Furthermore, as shown in Figures 1 and 2, the reflector group includes two groups, and the two reflector groups are arranged on the upper and lower sides of the main optical axis. The second reflectors 105 of the two reflector groups are arranged close to the main optical axis, and the first reflectors 103 of the two reflector groups are arranged away from the main optical axis; the light emitted by the side light source 102a1 passes through the corresponding first reflector 103 and second reflector 105 in sequence, and then is refracted by the lens 104 to form a light output pattern.
[0057] Reflector groups are respectively arranged on the upper and lower sides of the main optical axis, and a side light source 102a1 is respectively arranged corresponding to the first reflector 103 of each reflector group. The two reflector groups share a lens 104. The light emitted by the side light source 102a1 is emitted toward the corresponding first reflector 103, and is reflected by the first reflector 103 and emitted toward the second reflector 105. After being reflected by the second reflector 105, it is emitted toward the lens 104, and is refracted by the lens 104 to form a light output pattern.
[0058] Furthermore, the second reflectors 105 of the two reflector groups are angled and integrally formed. As shown in Figure 3, two sets of first reflectors 103 and two sets of second reflectors 105 are symmetrically arranged on the upper and lower sides of the main optical axis. The two symmetrical sets of second reflectors 105 form an angle between them and are integrally formed. In this way, light emitted by the upper and lower side light sources 102a1 passes through the first reflectors 103 and second reflectors 105 on the corresponding sides, respectively, and then is emitted to the lens 104, where it is refracted and emitted. The angled and integral arrangement of the two sets of second reflectors 105 simplifies the module structure, facilitates installation, and ensures the desired light output pattern.
[0059] Different surface shapes of lens 104 result in different light patterns resulting from the two refractions through lens 104. The incident surface of lens 104 can be flat or curved. In one implementation of the present application, the incident surface of lens 104 is flat, and the exit surface is curved. When light from side light source 102a1 exits through the exit surface of lens 104, it is deflected at a large angle due to the large curvature of the exit surface.
[0060] As shown in FIG2 , taking the first reflector 103 disposed above the main optical axis as the high-beam reflector 103a and the first reflector 103 disposed below the main optical axis as the low-beam reflector 103b as an example, the light emitted by the upper side light source 102a1 is reflected by the low-beam reflector 103a and then reflected by the corresponding second reflector 105 to the incident surface of the lens 104, refracted once by the incident surface of the lens 104, and then refracted once by the exit surface of the lens 104. When the light is emitted from the lens 104, most of the light is emitted from the upper part of the lens 104 and converges toward the main optical axis, and a part of the light is emitted from the upper part of the lens 104. The light is deflected at a significant angle and emerges from the lower portion of lens 104, extending below the principal optical axis. Light emitted from the lower side light source 102a1 is reflected by the high-beam reflector 103b and then by the corresponding second reflector 105 before reaching the incident surface of lens 104. There, it undergoes a single refraction at the incident surface and a further refraction at the exit surface. When the light emerges from lens 104, the majority of the light is emitted from the lower portion of lens 104 and converges toward the principal optical axis, while a portion of the light is deflected at a significant angle and emerges from the upper portion of lens 104, extending above the principal optical axis. Both high-beam and low-beam light require more than half of lens 104. Therefore, sharing the same lens 104 for both high-beam and low-beam paths reduces the upper and lower dimensions of the lens' incident surface, thus reducing the size of the lens. This configuration maximizes the utilization of lens 104. The more lens 104 is utilized, the higher the brightness of the low-beam / high-beam output.
[0061] In this implementation, the method for confirming the focus F formed by the second reflector 105 and the lens 104 is as follows, as shown in Figure 3, external parallel light is incident from the exit surface of the lens 104, passes through the incident surface of the lens 104 in sequence to reach the second reflector 105, and is reflected toward the first reflector 103, and is focused to a point near the first reflector 103, which is the focus F. It can be seen that the optical path for confirming the focus F is opposite to the optical path for forming the light pattern by the normal light source. In this way, the focus F and the position of each component can be confirmed to obtain a clear image.
[0062] In another implementation of the present application, as shown in Figures 4, 5 and 6, the incident surface of the lens 104 includes two interconnected incident areas 104a, and the two incident areas 104a are used to respectively pass through the light emitted through the two groups of reflective mirrors. Each incident area 104a of the lens 104 corresponds to an exit area. The light emitted by the side light source 102a1 enters the lens 104 through the corresponding incident area 104a, and then exits from the corresponding exit area to form a corresponding light output pattern.
[0063] For example, the two incident areas 104a are both planes and are connected to each other to form the incident surface of the lens 104. As shown in Figure 6, an angle is formed between the two incident areas 104a. The exit surface of the lens 104 is a convex surface, and the exit surface is divided into two exit areas corresponding to the incident area 104a. The light emitted by the side light source 102a1 is reflected by the first reflector 103 and then enters the second reflector 105. After being reflected again by the second reflector 105, it enters the lens 104 and is refracted by the lens 104 before being emitted. The light close to the main optical axis is deflected at a large angle and converges with the light away from the main optical axis, as shown in Figure 7.
[0064] Furthermore, the two incident regions 104a are arranged tilted relative to the vertical plane. Compared with the arrangement in parallel along the vertical direction, the thickness of the lens 104 can be reduced, so that the lens 104 in the implementation of the present application is a thin lens.
[0065] On this basis, a light blocking plate 107 is further provided on the light incident side of the lens 104. The light blocking plate 107 is located between the two incident areas 104a to separate the two incident areas 104a of the lens 104, thereby preventing light from crossing when the light emitted by the side light source 102a1 does not enter the corresponding incident area 104a, thereby avoiding the formation of stray light.
[0066] The method for confirming the focus F is shown in FIG8 , which is consistent with the above-mentioned implementation method. External parallel light is incident from two exit areas of the lens 104 respectively, and forms a focus F near the first reflector 103 .
[0067] The vehicle light module 100 further includes a heat sink 101, a circuit board 102, and a lens bracket 106. The light source and reflector assembly are disposed on one side of the circuit board 102, the heat sink 101 is disposed on the other side of the circuit board 102, and the lens 104 is fixed to the lens bracket 106, which is fixedly connected to the reflector assembly.
[0068] During installation, as shown in FIG. 5 , screws are sequentially passed through the heat sink 101 , the circuit board 102 , the reflector assembly, and the lens bracket 106 to fix the vehicle lamp module 100 .
[0069] Another implementation of the present application includes a third optical path; specifically, as shown in Figures 9, 10 and 11, the car light module 100 also includes a central light source, there is a gap between the second reflectors 105 of the two groups of reflectors, the central light source 102a0 is arranged corresponding to the gap, and the light emitted by the central light source 102a0 enters the lens 104 through the gap and then exits.
[0070] Similar to the previous installation method, this implementation adopts the method shown in Figure 10, where screws are sequentially passed through the heat sink 101, circuit board 102, reflector assembly, and lens bracket 106 to form a headlight module 100. To ensure a more stable installation, more screws can be used for fixing. Of course, the installation method is not limited to the above method and can be set according to specific needs.
[0071] As shown in Figure 11, the central light source 102a0 is located between the side light sources 102a1 on both sides of the main optical axis, and emits light to the gap between the second reflectors 105 on the upper and lower sides of the main optical axis. The light emitted by the central light source 102a0 directly enters the lens 104 and is refracted twice by the lens 104 before being emitted.
[0072] Furthermore, a third reflector group 108 is included. The third reflector group 108 includes a plurality of sub-reflectors 108a symmetrically arranged about the central light source 102a0. Part of the light emitted by the central light source 102a0 passes through the gap and is reflected by the sub-reflectors 108a toward the lens 104 and then emitted.
[0073] The plurality of sub-reflectors 108a are symmetrically arranged about the central light source 102a0, and an angle is formed between the symmetrical sub-reflectors 108. Part of the light emitted by the central light source 102a0 reaches the sub-reflector 108a, and after being reflected by the sub-reflector 108a, reaches the transmission 104 for emission.
[0074] In one feasible embodiment, the sub-reflector 108a and the second reflector 105 on the corresponding side have an angle and are integrally formed; for example, the sub-reflector 108a located on the upper side of the main optical axis and the second reflector 105 on the upper side form an angle and are integrally formed, and the sub-reflector 108a and the second reflector 105 on the lower side of the main optical axis are the same. This facilitates the compact layout of the module structure and is conducive to installation, and does not affect the propagation of each optical path.
[0075] Correspondingly, the lens 104 includes a central area 104b located in the center and side areas 104c located on both sides of the central area 104b. The three are connected in sequence. The light emitted by the central light source 102a0 is emitted from the central area 104b of the lens 104, and the light emitted by the side light source 102a1 is reflected by the reflector group and then emitted from the side areas 104c of the lens 104.
[0076] The lens 104 is a thin lens, and the lens 104 forms three sequentially connected areas, namely the central area 104b and the two side areas 104c, to emit three paths of light. In the longitudinal direction, the incident surface of the central area 104b forms an angle with the incident surfaces of the two side areas 104c. For example, the incident surface of the side area 104c is a plane and the exit surface is a convex surface, and the two side areas 104c are symmetrically arranged along the main optical axis. The light passes through the incident surface of the side area 104c and the exit surface of the side area 104c and converges and exits; the incident surface of the central area 104b is a convex surface and the exit surface is a plane. The light passes through the incident surface of the central area 104b and the exit surface of the central area 104b and exits. Of course, the incident surface of the side area 104c can also be a convex surface and the exit surface can be a plane; the incident surface of the central area 104b can also be a plane and the exit surface can be a plane or a curved surface, and there is no limitation here. Generally, the side area 104c serves as the light output lens of the high beam light path and the low beam light path of the headlight module 100, respectively, and the light path formed by the light through the central area 104b can be used as a part of the low beam light path or the high beam light path to realize the low beam or high beam function, or can be used as a part of the signal light path / signal light path to realize the function of a signal light.
[0077] The method for confirming the focus F is shown in FIG12 , which is consistent with the above-mentioned implementation method. External parallel light is incident from the three exit areas of the lens 104 respectively, and forms a focus F near the first reflector 103 .
[0078] The first reflector 103 includes a high-beam reflector 103a and / or a low-beam reflector 103b. The low-beam reflector 103b has a bright-dark cutoff line structure 103b1 at the boundary near the light source. The focus F formed by the second reflector 105 and the lens 104 is set at the boundary near the light source of the low-beam reflector 103b or on the reflecting surface of the high-beam reflector 103a.
[0079] For example, the first reflector 103 above the main optical axis is a high-beam reflector 103a, and the first reflector 103 below the main optical axis is a low-beam reflector 103b. A cutoff line structure 103b1 is provided at the edge of the low-beam reflector 103b. By setting the focal point F (the focal point F formed by the second reflector 105 and the lens 104) at the edge of the low-beam reflector 103b, a low-beam light pattern with a cutoff line (see Figure 13) is achieved. By setting the focal point F (the focal point F formed by the second reflector 105 and the lens 104) on the reflective surface of the high-beam reflector 103a, a high-beam light pattern is achieved. In other words, a high-beam light path is formed above the main optical axis, a low-beam light path is formed below the main optical axis, and a third light path located between the high-beam and low-beam light paths can serve as a portion of the high-beam light path or the low-beam light path, or can serve as a signal light path or a portion of the signal light path.
[0080] Traditional projection-type headlight modules have a lens focal length of approximately 40mm-45mm and a reflector focal length of 30mm-40mm. Adding components such as circuit boards and heat sinks, it is difficult for traditional projection-type headlight modules to control the front and rear dimensions within 100mm.
[0081] In the present application, the focus F formed by the lens 104 and the second reflector 105 is mirror-symmetrical to the focus of the lens 104 (the focus formed by the dotted line in Figure 12) about the center line of the second reflector 105. In other words, after the focal length of the lens 104 is reflected upward or downward by the second reflector 105, the final focus F is formed in the upper and lower directions of the headlight module 100 close to the first reflector 103, thereby shortening the front and rear dimensions of the headlight module 100. The front and rear dimensions can be achieved to 50mm-60mm, which is conducive to the flattening requirement of the headlight module 100.
[0082] In the above three optical path implementations, taking FIG9 as an example, a plurality of reflector groups are arranged along the second direction F2, which is perpendicular to the main optical axis direction A and the first direction F1. It should be noted that the second direction F2 is the left-right direction of the lamp module 100.
[0083] For example, as shown in Figures 13 and 14, there are four reflector groups above the main optical axis, including four high-beam reflectors 103a and four second reflectors 105, and one high-beam reflector 103a corresponds to one second reflector 105; there are four reflector groups below the main optical axis, including four low-beam reflectors 103b and four second reflectors 105, and one low-beam reflector 103b corresponds to one second reflector 105; and no matter whether it is along the first direction F1 (up and down direction) or the second direction F2 (left and right direction), no matter how many reflector groups there are, they only correspond to one lens 104, and the light emitted by all reflector groups is refracted twice by one lens 104 to form different light patterns.
[0084] The incident surface of lens 104 includes at least one curved surface, and the exit surface of lens 104 includes at least one curved surface. When the incident surface of lens 104 is flat, the corresponding exit surface is also curved; when the incident surface of lens 104 is curved, the corresponding exit surface is either flat or curved; when the incident surface of lens 104 is divided into multiple incident areas 104a, when the incident area 104a is flat, the corresponding exit area is also curved; when the incident area 104a is curved, the corresponding exit area is either flat or curved. All three of the aforementioned optical paths meet the above requirements.
[0085] In the present application, second reflector 105 is a one-way collimating reflector, whose reflective surface converges light along a specific direction. For example, the reflective surface of second reflector 105 is a curved surface unidirectionally stretched along a third direction F3. Third direction F3 is inclined relative to first direction F1 and forms an angle. Second reflector 105 can collimate light incident on its reflective surface in a direction perpendicular to third direction F3.
[0086] In the present application, the incident surface or the exit surface of lens 104 is a unidirectional collimating surface that converges incident light along a specific direction. For example, the incident surface or the exit surface of lens 104 is a curved surface that is unidirectionally stretched along a second direction F2, collimating light along a first direction F1. The second direction F2 is perpendicular to the principal optical axis A and the first direction F1, respectively.
[0087] As shown in Figures 15 and 16, the incident surface of the central area 104b of the lens 104 and the exit surface of the side area 104c are unidirectionally stretched along the normal direction of the plane where the curve is located, so as to realize the collimation of the light in another unidirectional direction (for example, if a curve is stretched along the first direction F1, that is, the up and down direction, then the collimation along the second direction F2, that is, the left and right direction is realized. Similarly, if a curve is stretched along the second direction F2, that is, the left and right direction, then the collimation along the first direction F1, that is, the up and down direction is realized). Correspondingly, the corresponding second reflector 105 can be regarded as stretching a curve in a direction different from the incident surface of the central area 104b or the exit surface of the side area 104c, so as to realize the unidirectional collimation of the light in another direction. Finally, the light emitted by the light source is collimated in at least two directions after passing through the reflector group and the lens 104, so as to form a light output pattern that meets the requirements.
[0088] In the longitudinal direction, an angle is formed between the incident surface of the lens 104 and the main optical axis, and / or an angle is formed between the second reflector 105 and the main optical axis.
[0089] For example, in FIG16 , in a longitudinal cross-section of the vehicle lamp module 100, the incident surfaces of both side regions 104c of the lens 104 are tilted relative to the principal optical axis to form an angle; the reflective surface of the second reflector 105 is tilted relative to the principal optical axis to form an angle. Different angles result in different positions of the focal point F of the second reflector 105 and the lens 104. Therefore, by adjusting the angles, the positions of the focal points F of the second reflector 105 and the lens 104 can be adjusted. Specifically, adjusting the angle between the incident surface of the lens 104 and the principal optical axis can adjust the vertical position of the focal point F; adjusting the angle between the reflective surface of the second reflector 105 and the principal optical axis can adjust the mirror image position of the focal point F. Alternatively, by simultaneously adjusting the angles between the incident surface of the lens 104 and the principal optical axis, and the reflective surface of the second reflector 105 and the principal optical axis, both the vertical and mirror image positions of the focal point F can be adjusted, thereby determining the final focal point F position.
[0090] In addition, when an angle is formed between the incident surface of the lens 104 and the principal optical axis, and / or an angle is formed between the second reflector 105 and the principal optical axis, the lens 104 and the second reflector 105 can be thinned to facilitate injection molding of the lens 104 and the second reflector 105.
[0091] Furthermore, for a headlight module 100, if the headlight module 100 is a high-beam module, the first reflector 103 is a high-beam reflector 103a; if the headlight module 100 is a low-beam module, the first reflector 103 is a low-beam reflector 103b; and if the headlight module 100 is a high-beam and low-beam integrated module, a portion of the first reflector 103 is a high-beam reflector 103a, and another portion of the first reflector 103 is a low-beam reflector 103b. For example, FIG11 illustrates a case where the headlight module 100 is a high-beam and low-beam integrated module, in which the first reflector 103 above the main optical axis is used as the high-beam reflector 103a, and the first reflector 103b below the main optical axis is used as the low-beam reflector 103b. Of course, in one implementation, the above-mentioned reflector groups are symmetrically arranged in two rows along the main optical axis, and each row can be provided with multiple reflector groups. The headlight module 100 can realize high beam or low beam, and can also realize high beam and low beam in one. In addition, when the third optical path is used as a signal light path, the multiplexing of high beam, low beam and signal light can be realized, meeting the multifunctional composite requirements of the headlight module 100.
[0092] In another aspect, embodiments of the present application further provide a vehicle lamp comprising the aforementioned vehicle lamp module 100 disposed therein. Light emitted by the vehicle lamp module 100 is emitted from the light-emitting side of the vehicle lamp to form a light pattern. Because the vehicle lamp module 100 has a relatively small front-to-back dimension, more space is left in the front and back of the vehicle lamp for the placement of other components, thereby increasing the design freedom of the vehicle lamp and improving user satisfaction.
[0093] For example, when the headlight is applied to an electric vehicle, the smaller the front-to-back dimensions of the headlight module 100 are, the larger the trunk space will be when the original engine compartment of the vehicle is changed to the trunk space, which can meet the user's needs for placing items. Industrial Applicability
[0094] The reduced front-to-back dimensions of the light module 100 allow for more front-to-back space when used in a vehicle. When used in an electric vehicle, the reduced front-to-back dimensions of the light module 100 allow the original engine compartment to be used as a trunk space, thereby increasing the trunk space. This allows users to store more items in the trunk, making it more practical and suitable for promotion.
Claims
1. A vehicle light module, characterized in that: It includes a side light source, and a reflector group and a lens arranged in sequence along the light path transmission direction, the reflector group includes a first reflector and a second reflector, the first reflector and the second reflector are arranged relative to each other in a first direction perpendicular to the main optical axis direction, the side light source is arranged corresponding to the first reflector, and the light emitted by the side light source is reflected by the first reflector and the second reflector in sequence, and then refracted by the lens and emitted.
2. The vehicle light module according to claim 1, characterized in that: The reflector group includes two groups, and the two reflector groups are arranged on the upper and lower sides of the main optical axis.
3. The starting light module according to claim 2, characterized in that: The second reflectors of the two reflector groups have an included angle and are integrally formed.
4. The vehicle light module according to claim 1, characterized in that: The lens includes at least one of a plano-convex lens, a bi-convex lens or a concave-convex lens.
5. The vehicle light module according to claim 2, characterized in that: The incident surface of the lens includes two incident areas connected to each other, and the two incident areas are used to respectively transmit the light emitted through the two groups of reflector groups.
6. The vehicle lamp module according to claim 5, characterized in that: A light blocking plate is also provided on the light incident side of the lens, and the light blocking plate is located between the two incident areas.
7. The vehicle lamp module according to claim 2, characterized in that: It also includes a central light source. There is a gap between the second reflectors of the two reflector groups. The central light source is arranged corresponding to the gap. Light emitted by the central light source enters the lens through the gap and then exits.
8. The vehicle lamp module according to claim 7, characterized in that: It also includes a third reflector group, which includes a plurality of sub-reflectors symmetrically arranged about the central light source. Part of the light emitted by the central light source passes through the gap and is reflected by the sub-reflectors toward the lens and then emitted.
9. The vehicle light module according to claim 8, characterized in that: The sub-reflector and the second reflector have an included angle and are integrally formed.
10. The vehicle light module according to claim 7, characterized in that: The lens includes a central area located at the center and side areas located at both sides of the central area. The light emitted by the central light source is emitted from the central area of the lens, and the light emitted by the side light source is emitted from the side areas of the lens.
11. The vehicle lamp module according to claim 10, characterized in that: The central area is connected to the two side areas respectively.
12. The vehicle light module according to any one of claims 1 to 11, characterized in that: A plurality of the reflector groups are arranged along a second direction, and the second direction is perpendicular to the main optical axis direction and the first direction respectively.
13. The vehicle light module according to any one of claims 1 to 11, characterized in that: The incident surface of the lens includes at least one curved surface, and the exit surface of the lens includes at least one curved surface.
14. The vehicle light module according to any one of claims 1 to 11, characterized in that: The second reflector is a one-way collimating reflector, and a reflective surface of the second reflector is a stretching surface of a curve that is unidirectionally stretched along a third direction, and the third direction has an angle with respect to the first direction.
15. The vehicle light module according to any one of claims 1 to 11, characterized in that: The incident surface or the exit surface of the lens is a unidirectional collimating surface, and the incident surface or the exit surface of the lens is a stretching surface in which a curve is unidirectionally stretched along a second direction, and the second direction is respectively perpendicular to the main optical axis direction and the first direction.
16. The vehicle light module according to any one of claims 1 to 11, characterized in that: The first reflector is a low-beam reflector, and the low-beam reflector has a bright-dark cutoff line structure at a boundary close to the side light source, and the focus formed by the second reflector and the lens is set at the boundary of the low-beam reflector close to the side light source; And / or, the first reflector is a high-beam reflector, and the focus formed by the second reflector and the lens is arranged on the reflection surface of the high-beam reflector.
17. A vehicle lamp, characterized in that: It comprises a headlight module as described in any one of claims 1 to 16 arranged in the headlight, and the light emitted by the headlight module is emitted from the light emitting side of the headlight to form a light pattern.