WO2025000139A1 - Vehicle lamp module and vehicle lamp - Google Patents

Abstract

A vehicle lamp module and a vehicle lamp. The vehicle lamp module (100) comprises: a side light source (102a1); and a reflector group and a lens (104), which are sequentially arranged in an optical path transmission direction, wherein the reflector group comprises a first reflector (103) and a second reflector (105); the first reflector (103) and the second reflector (105) are oppositely arranged in a first direction that is perpendicular to the direction of primary optical axis; the side light source (102a1) is arranged corresponding to the first reflector (103); and light emitted by the side light source (102a1) is sequentially reflected by the first reflector (103) and the second reflector (105) and is then refracted by the lens (104) to exit. The direction of primary optical axis is the front-to-rear direction of the vehicle lamp module, and the first reflector (103) and the second reflector (105) are arranged in the first direction, that is, the top-to-bottom direction of the vehicle lamp module, such that the dimensions of the vehicle lamp module (100) in the front-to-rear direction can be reduced to leave more space for other articles in the front-to-rear direction of the vehicle lamp.

Description

Vehicle lamp module and vehicle lamp Technical Field

The present application relates to the field of vehicle lighting, and more specifically, to a vehicle lighting module and a vehicle lighting.

Background Art

Now more and more electric vehicles have changed the original engine compartment position of the vehicle to the trunk space, which puts higher requirements on the front-to-back dimensions of the headlight module. The smaller the front-to-back dimensions, the larger the trunk space. The existing headlight module generally uses an ellipsoidal reflector to converge the light emitted by the light source set at the near focus of the ellipsoidal surface to the far focus of the ellipsoidal surface. The far focus of the ellipsoidal surface is set at the focus of the convex lens, that is, the light spot formed at the focus of the convex lens is imaged by the convex lens. However, this results in a large front-to-back dimension of the headlight module, which cannot meet the demand for a larger trunk space.

Summary of the invention

The purpose of the present application includes, for example, providing a vehicle light module, by flattening the vehicle light module to reduce the size of the vehicle light module in the front-to-rear direction.

Objectives of the present application include, for example, providing a vehicle lamp capable of reducing the size of the vehicle lamp in the front-rear direction.

The embodiments of the present invention are implemented by the following technical solutions:

A vehicle light module comprises a side light source, and a reflector group and a lens arranged in sequence along the light path transmission direction, the reflector group comprises 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 light source is reflected by the first reflector and the second reflector in sequence, and then refracted by the lens and emitted.

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.

Furthermore, the second reflectors of the two reflector groups have an included angle and are integrally formed.

Furthermore, the lens includes at least one of a plano-convex lens, a bi-convex lens or a concave-convex lens.

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 reflector groups.

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.

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, and the light emitted by the central light source enters the lens through the gap and then exits.

Furthermore, it also includes a third reflector group, wherein the third reflector group includes a plurality of reflectors symmetrically arranged about the central light source. A plurality of sub-reflectors are provided, and 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.

Furthermore, the sub-reflector and the second reflector have an included angle and are integrally formed.

Furthermore, the lens includes a central area located at 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 source is emitted from the side areas of the lens.

Furthermore, the central area is connected to the two side areas respectively.

Furthermore, a plurality of the reflector groups are arranged along a second direction, and the second direction is respectively perpendicular to the main optical axis direction and the first direction.

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.

Furthermore, 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.

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 respectively perpendicular to the main optical axis direction and the first direction.

Further, 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.

A vehicle lamp comprises the above-mentioned vehicle lamp module arranged inside the vehicle lamp, and the light emitted by the vehicle lamp module is emitted from the light emitting side of the vehicle lamp to form a light pattern.

The technical solution of the present invention has at least the following advantages and beneficial effects:

In the vehicle light module provided in the embodiment of the present application, the reflector group and the lens are sequentially arranged along the main optical axis direction, 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, the first reflector and the second reflector are relatively arranged along a first direction perpendicular to the main optical axis direction, the first direction is the up-down direction of the vehicle light module, thus reducing the size of the vehicle light module in the front-to-back direction. 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 in the embodiment of the present application, the reflector group is arranged in the up-down direction of the vehicle light module, reducing the size of the vehicle light module in the front-to-back direction, so that the vehicle light module can meet the flattening requirements.

The embodiment of the present application also provides a vehicle lamp, comprising the above-mentioned vehicle lamp module arranged in the vehicle lamp, the vehicle lamp module emits The light is emitted from the light-emitting side of the headlight. Since the size of the headlight module in the front and rear directions is small, more front and rear space can be left for the headlight to be equipped with other items, which is convenient for users to use and improves user satisfaction.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required to be used in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and should not be regarded as limiting the scope of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

FIG1 is a schematic diagram of the structure of a vehicle light module provided in the first embodiment of the present application;

FIG2 is a light path diagram of a vehicle light module provided in the first embodiment of the present application;

FIG3 is a schematic diagram of focus formation of a vehicle light module provided in the first embodiment of the present application;

FIG4 is a schematic diagram of the structure of a vehicle light module provided in a second embodiment of the present application;

FIG5 is an exploded view of a vehicle lamp module provided in a second embodiment of the present application;

FIG6 is a cross-sectional view of a vehicle lamp module provided in a second embodiment of the present application;

FIG7 is a light path diagram of a vehicle light module provided in a second embodiment of the present application;

FIG8 is a schematic diagram of focus formation of a vehicle light module provided in a second embodiment of the present application;

FIG9 is a schematic diagram of the structure of a vehicle light module provided in a third embodiment of the present application;

FIG10 is an exploded view of a vehicle lamp module provided in a third embodiment of the present application;

FIG11 is a cross-sectional view of a vehicle lamp module provided in a third embodiment of the present application;

FIG12 is a schematic diagram of focus formation of a vehicle light module provided in a third embodiment of the present application;

FIG13 is a schematic diagram of a partial structure of an optical module provided in the third embodiment of the present application;

FIG14 is a second schematic diagram of a partial structure of an optical module provided in the third embodiment of the present application;

FIG15 is a schematic diagram of a lens structure of an optical module provided in the third embodiment of the present application;

FIG. 16 is a second schematic diagram of the lens structure of the optical module provided in the third embodiment of the present application.

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-light-and-dark 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-direction of main optical axis; F1-first direction; F2-second direction; F3-third direction.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

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 which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

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, further definition and explanation thereof is not required in subsequent drawings.

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.

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 relatively 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, and 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.

Furthermore, the lens 104 includes at least one of a plano-convex lens, a bi-convex 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.

The reflector group 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, and is used to realize low beam lighting and/or high beam lighting; the reflector group and the lens 104 are arranged in sequence along the main optical axis, and the first reflector 103 and the second reflector 105 in the reflector group are arranged oppositely 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 main optical axis refers to the axis along the front-rear direction of the lamp module 100 where parallel light rays converge at a point after passing through the lens 104.

The main optical axis direction A is the front-to-back direction of the light module 100, and the first direction F1 is the up-down direction of the light module 100. The present application arranges the first reflector 103 and the second reflector 105 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 light module 100. In this way, the size of the entire light module 100 in the front-to-back direction is shortened.

The side light source is arranged corresponding to the first reflector 103. The light emitted by the side light source enters the first reflector 103, is reflected by the first reflector 103 to the second reflector 105, is reflected again by the second reflector 105, and finally is refracted twice by the incident surface and the output surface of the lens 104 before being emitted to form the desired light output pattern.

In summary, the vehicle lamp module 100 provided in the embodiment of the present application, the reflector assembly and the lens 104 are arranged in sequence along the main optical axis direction A. The main optical axis direction A is the front-to-back direction of the vehicle light module 100, and the reflector group includes a first reflector 103 and a second reflector 105. The first reflector 103 and the second reflector 105 are arranged relatively to each other along a first direction F1, and the first direction F1 is the up-down direction of the vehicle light module 100. The side light source is arranged corresponding to the first reflector 103, and the light emitted by the side light source is reflected by the first reflector 103 and then emitted to the second reflector 105, and then reflected again by the second reflector 105 and finally refracted by the lens 104 to form a light emission 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 up-down direction of the vehicle light module 100, which reduces the size of the vehicle light module 100 in the front-to-back direction, so that the vehicle light module 100 can meet the demand for flattening.

Furthermore, as shown in Figures 1 and 2, the reflector group includes two groups, the two reflector groups are arranged on the upper and lower sides of the main optical axis, the second reflector 105 of the two reflector groups is arranged close to the main optical axis, and the first reflector 103 of the two reflector groups is 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.

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, is reflected by the first reflector 103 and is emitted toward the second reflector 105, is reflected by the second reflector 105 and is emitted toward the lens 104, and is refracted by the lens 104 to form a light output pattern.

Furthermore, the second reflectors 105 of the two reflector groups have an angle and are integrally formed. As shown in FIG3 , two groups of first reflectors 103 and two groups of second reflectors 105 are symmetrically arranged on the upper and lower sides of the main optical axis, wherein the two symmetrical groups of second reflectors 105 form an angle and are integrally formed; in this way, the light emitted by the upper and lower side light sources 102a1 passes through the first reflector 103 and the second reflector 105 on the corresponding side in turn and then is emitted to the lens 104, and is refracted by the lens 104 and then emitted. The upper and lower groups of second reflectors 105 form an angle and are integrally arranged, which simplifies the module structure and facilitates installation, and can also ensure the required light output light type.

When the surface shape of the lens 104 is different, the light pattern formed by the two refractions of the lens 104 is different. The incident surface of the lens 104 can be a plane or a curved surface. In one implementation of the present application, the incident surface of the lens 104 is a plane, and the exit surface is a curved surface. When the light emitted by the side light source 102a1 is emitted through the exit surface of the lens 104, due to the large curvature of the exit surface, the light is deflected at a large angle before being emitted.

As shown in FIG. 2 , 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 by the lens 104, most of the light is emitted by the upper part of the lens 104 and converges toward the main optical axis, and a part of the light is deflected at a larger angle, emitted by the lower part of the lens 104, and extends below the main optical axis; and the light emitted by the lower 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. After being reflected by the high-beam reflector 103b, the light is 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 by the lens 104, most of the light is emitted by the lower part of the lens 104 and converges toward the main optical axis, and part of the light is deflected at a larger angle, emitted by the upper part of the lens 104, and extends above the main optical axis. The high-beam light and the low-beam light need to use more than half of the lens 104, so the high-beam light path and the low-beam light path share the same lens 104, and are equipped with lenses separately, which can reduce the upper and lower dimensions of the incident surface of the lens and reduce the size of the lens. This arrangement can make more use of the lens 104. The more the lens 104 is used, the higher the brightness of the low-beam/high-beam light output.

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 FIG3 , external parallel light is incident from the exit surface of the lens 104, reaches the second reflector 105 through the incident surface of the lens 104 in sequence, and is then 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 the normal light source to form a light pattern, thereby confirming the focus F and the position of each component to obtain a clear image.

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 from the corresponding incident area 104a, and then is emitted from the corresponding exit area to form a corresponding light output pattern.

For example, the two incident areas 104a are both planes and are interconnected to form the incident surface of the lens 104, as shown in FIG6 , 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, and the light emitted by the side light source 102a1 is reflected by the first reflector 103 and then incident on the second reflector 105, and then reflected again by the second reflector 105 and then incident on the lens 104, and then refracted by the lens 104 and then emitted, the light close to the main optical axis is deflected at a larger angle and converges with the light far from the main optical axis, as shown in FIG7 .

Furthermore, the two incident regions 104a are arranged obliquely 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.

On this basis, a light blocking plate 107 is also 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 to prevent 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.

The method for confirming the focus F is shown in FIG. 8 , which is consistent with the aforementioned 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 .

The vehicle lamp module 100 further includes a heat sink 101, a circuit board 102 and a lens bracket 106. The light source and the reflector assembly are arranged on one side of the circuit board 102, the heat sink 101 is arranged on the other side of the circuit board 102, the lens 104 is fixed on the lens bracket 106, and the lens bracket 106 is fixedly connected to the reflector assembly.

During installation, as shown in FIG5 , screws are passed through the heat sink 101, the circuit board 102, the reflector assembly and the lens support in sequence. The frame 106 is fixed to form the vehicle lamp module 100 .

Another implementation of the present application includes a third optical path; specifically, as shown in Figures 9, 10 and 11, the vehicle light module 100 also includes a central light source, there is a gap between the second reflectors 105 of the two reflector groups, 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.

Similar to the above-mentioned installation method, this implementation adopts FIG. 10, and screws are sequentially passed through the heat sink 101, the circuit board 102, the reflector group and the lens bracket 106 to fix the lamp module 100. In order to make the installation more stable, more screws can be used for fixing during installation. Of course, the installation method is not limited to the above method, and it can be set according to the needs.

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.

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 from the central light source 102a0 is reflected by the sub-reflectors 108a toward the lens 104 after passing through the gap and then emitted.

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 from 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.

In one feasible manner, 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.

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, which 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 emitted from the side area 104c of the lens 104.

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, and the light is converged and emitted after passing through the incident surface of the side area 104c and the exit surface of the side area 104c; the incident surface of the central area 104b is a convex surface, and the exit surface is a plane, and the light is emitted after passing through the incident surface of the central area 104b and the exit surface of the central area 104b. 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, which is not limited here. Generally, the side area 104c is used as the light exit lens of the high beam light path and the low beam light path of the headlight module 100, and the light path formed by 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 Function of signal light.

The method for confirming the focus F is shown in FIG. 12 , which is consistent with the aforementioned implementation method. External parallel light is incident from three exit areas of the lens 104 respectively, and forms a focus F near the first reflector 103 .

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 and 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 of the low beam reflector 103b near the light source or on the reflecting surface of the high beam reflector 103a.

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 light-dark cutoff line structure 103b1 is provided at the edge of the low beam reflector 103b. By setting the focus F (the focus F formed by the second reflector 105 and the lens 104) at the edge of the low beam reflector 103b, a low beam light type with a light-dark cutoff line (see FIG. 13) is realized; by setting the focus F (the focus F formed by the second reflector 105 and the lens 104) on the reflection surface of the high beam reflector 103a, a high beam light type is realized. 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 between the high beam light path and the low beam light path can be used as a part of the high beam light path or the low beam light path, or can be used as a signal light path or a part of the signal light path.

Traditional projection-type headlight modules have a lens focal length of about 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.

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 FIG12 ) about the midline 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, which can be 50mm-60mm, which is conducive to the flattening requirement of the headlight module 100.

In the above three light path implementations, taking FIG. 9 as an example, a plurality of reflector groups are arranged along the second direction F2, and the second direction F2 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.

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 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.

The incident surface of the lens 104 includes at least one curved surface, and the exit surface of the lens 104 includes at least one curved surface. When the incident surface of the lens 104 is a plane, the corresponding exit surface is a curved surface; when the incident surface of the lens 104 is a curved surface, the corresponding exit surface is a plane or a curved surface; when the incident surface of the lens 104 is divided into a plurality of incident areas 104a, when the incident area 104a is a plane, the corresponding exit surface is The exit area of the incident area 104a is a curved surface, and the corresponding exit area is a flat surface or a curved surface. The above three optical paths all meet the above requirements.

In the present application, the second reflector 105 is a one-way collimating reflector, and its reflective surface has a converging effect on light along a certain direction. For example, the reflective surface of the second reflector 105 is a stretching surface that is unidirectionally stretched along a third direction F3, and the third direction F3 is inclined relative to the first direction F1 and has an angle. The second reflector 105 can collimate the light incident on its reflective surface along a direction perpendicular to the third direction F3.

In the present application, the incident surface or the exit surface of the lens 104 is a unidirectional collimating surface, which has a converging effect on the incident light along a certain direction. For example, the incident surface or the exit surface of the lens 104 is a stretched surface that is unidirectionally stretched along the second direction F2, collimating the light along the first direction F1, and the second direction F2 is perpendicular to the main optical axis direction A and the first direction F1.

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 a curve that is unidirectionally stretched along the normal direction of the plane where the curve is located, so as to achieve 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 collimation along the second direction F2, that is, the left and right direction is achieved; similarly, if a curve is stretched along the second direction F2, that is, the left and right direction, then collimation along the first direction F1, that is, the up and down direction is achieved). Accordingly, 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 achieve 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.

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.

For example, in FIG. 16 , in the longitudinal section of the lamp module 100, the incident surfaces of the two side areas 104c of the lens 104 are both inclined relative to the main optical axis to form an angle; the reflecting surface of the second reflector 105 is inclined relative to the main optical axis to form an angle; if the angles are different, the positions of the focus F of the second reflector 105 and the lens 104 are different. Therefore, by adjusting the angle, the positions of the focus F of the second reflector 105 and the lens 104 can be adjusted. Specifically, by adjusting the angle between the incident surface of the lens 104 and the main optical axis, the up-and-down position of the focus F can be adjusted; by adjusting the angle between the reflecting surface of the second reflector 105 and the main optical axis, the mirror position of the focus F can be adjusted; it is also possible to adjust the angle between the incident surface of the lens 104 and the main optical axis, and the angle between the reflecting surface of the second reflector 105 and the main optical axis at the same time, so as to achieve the adjustment of the up-and-down and mirror positions of the focus F at the same time, and then determine the final focus F position.

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 may be thinned to facilitate injection molding of the lens 104 and the second reflector 105 .

In addition, 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; if the headlight module 100 is a high and low beam integrated module, a part of the first reflector 103 is a high beam reflector 103a, and another part of the first reflector 103 is a low beam reflector 103b. Part of the first reflectors 103 is a low beam reflector 103b. For example, FIG11 illustrates a case where the headlight module 100 is a high and low beam integrated module, in which the first reflector 103 above the main optical axis is used as a high beam reflector 103a, and the first reflector 103b below the main optical axis is used as a 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 groups of reflector groups. The headlight module 100 can realize high beam or low beam, and can also realize high beam and low beam integrated. 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.

On the other hand, the embodiment of the present application also provides a vehicle lamp, including the aforementioned vehicle lamp module 100 disposed in the vehicle lamp, and the light emitted by the vehicle lamp module 100 is emitted from the light emitting side of the vehicle lamp to form a light pattern. Since the vehicle lamp module 100 has a smaller size in the front-to-back direction, more front-to-back space can be reserved for the vehicle lamp to configure other components, thereby increasing the degree of freedom in vehicle lamp design and improving user satisfaction.

For example, when the headlight is applied to an electric vehicle, the smaller the front-to-rear dimension of the headlight module 100 is, 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

The front-to-back dimension of the headlight module 100 is reduced, and when applied to a headlight, more front-to-back space is left for the headlight. When the headlight module 100 is applied to an electric vehicle, since the front-to-back dimension of the headlight module 100 is reduced, when the original engine compartment of the vehicle is changed to the trunk space, the size of the trunk space is increased, so that the user's need to place items in the trunk can be met, and the user can store more items when using the trunk, which is highly practical and suitable for promotion.

Claims (17)

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. The vehicle light module according to claim 1 is characterized in that 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. According to the starting light module of claim 2, it is characterized in that the second reflectors of the two groups of reflector groups have an included angle and are integrally formed. 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. The vehicle light module according to claim 2 is 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 light emitted through the two groups of reflector groups. The vehicle light module according to claim 5 is characterized in that a light blocking plate is further provided on the light incident side of the lens, and the light blocking plate is located between the two incident areas. The vehicle light module according to claim 2 is characterized in that it also includes a central light source, a gap is provided between the second reflectors of the two reflector groups, the central light source is arranged corresponding to the gap, and light emitted by the central light source enters the lens through the gap and then exits. The vehicle light module according to claim 7 is characterized in that it also includes a third reflector group, wherein the third reflector group 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. The vehicle light module according to claim 8 is characterized in that the sub-reflector and the second reflector have an included angle and are integrally formed. The vehicle light module according to claim 7 is characterized in that 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 source is emitted from the side areas of the lens. The vehicle light module according to claim 10 is characterized in that the central area is connected to the two side areas respectively. The vehicle light module according to any one of claims 1-11 is characterized in that a plurality of reflector groups are arranged along a second direction, and the second direction is respectively perpendicular to the main optical axis direction and the first direction. The vehicle light module according to any one of claims 1 to 11 is 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. The vehicle light module according to any one of claims 1 to 11 is characterized in that the second reflector is a one-way collimating reflector, and the reflecting 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. The vehicle light module according to any one of claims 1-11 is 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 of a curve unidirectionally stretched along a second direction, and the second direction is respectively perpendicular to the main optical axis direction and the first direction. The vehicle light module according to any one of claims 1 to 11, characterized in that the first reflector is a low beam reflector, 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; 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. A vehicle lamp, characterized in that it comprises a vehicle lamp module as described in any one of claims 1 to 16 arranged inside the vehicle lamp, and light emitted by the vehicle lamp module is emitted from a light emitting side of the vehicle lamp to form a light pattern.