CN218268854U

CN218268854U - Car light module, car light and car

Info

Publication number: CN218268854U
Application number: CN202221692882.9U
Authority: CN
Inventors: 黄韬; 陈宇
Original assignee: Varroc TYC Auto Lamps Co Ltd
Current assignee: Varroc TYC Auto Lamps Co Ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2023-01-10
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to the technical field of automobile dipped headlight, in particular to an automobile lamp module, an automobile lamp and an automobile, which comprises a circuit board, reflectors, a light barrier and lenses, wherein the circuit board is provided with dipped headlight sources, the number of the reflectors on the body corresponds to the number of the dipped headlight sources one by one, the dipped headlight sources are positioned at the focus of the reflectors, the light barrier is positioned between the reflectors and the lenses, and each reflector is internally provided with a reflecting groove; the light barrier is divided into a plurality of sections, each section of light barrier is positioned at the focus of the corresponding reflector, and a plurality of light shielding grooves are formed in the top of the light barrier. Therefore, each section of light barrier can be arranged at the corresponding focus of the corresponding LED light source, the reflector is provided with the light reflecting groove, the light shielding groove is arranged on the light barrier, and the light and dark short-distance light cut-off line of the light amplified by the lens is clearer through the matching of the light reflecting groove and the light shielding groove.

Description

Car light module, car light and car

Technical Field

The utility model relates to a car passing lamp technical field, concretely relates to car light module, car light and car.

Background

The optical system of the automotive headlamp can be roughly classified into a reflective type and a projection type. According to the nature of the parabolic surface, when the light source is arranged near the focal point of the parabolic surface reflector, light emitted by the light source is reflected by the reflector and is emitted along a direction approximately horizontal to the main axis of the parabolic surface, that is, the parabolic surface can converge all light energy in a spatial solid angle to emit parallel light, the reflector can be divided into a plurality of sub-surfaces, the curvatures of the sub-surfaces are discontinuous or the focal points are different, so that the purpose of adjusting the low beam shape is realized, but the reflective optical system cannot form a clear cut-off line due to the absence of a baffle plate. The projection type automobile headlamp can achieve the purposes of light deviation and light scattering at the same time, wherein the light barrier is an important part of the projection type automobile headlamp for adjusting the light distribution performance of the low-beam lamp, the problems of chromatic aberration and gradient on a light type cut-off line when the projection type headlamp is irradiated by low-beam light can be effectively solved by adjusting the position of the inflection point of the light barrier by adopting a focusing method, and the projection type automobile headlamp has the function of improving the visual comfort level of a driver and the driving safety index.

However, in the conventional projection optical system, since the light barrier is an integral body, the light barrier is positioned in front of the focus of each light source, so that the generated low-beam cut-off line is not very clear, and the demarcation point is relatively fuzzy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be a holistic to current barn door, the short-distance beam cut-off that leads to forming is not very clear problem, provides a car light module, car light and car.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

on one hand, the application provides a car light module, which comprises a circuit board, a reflector, a light barrier and lenses, wherein the reflector and the lenses are installed on a body, low-beam light sources are installed on the circuit board, the number of the reflectors on the body corresponds to the number of the low-beam light sources one by one, the reflector is arranged above the low-beam light sources, the low-beam light sources are located at the focus of the reflector, the light barrier is located between the reflector and the lenses, and a reflecting groove is formed in each reflector; the light barrier is a plurality of sections, each section of light barrier is positioned at the focus of the corresponding reflector, a plurality of shading grooves are formed in the top of the light barrier, and the reflecting grooves and the shading grooves are matched together and used for forming a low-beam cut-off line with clear light and shade.

Preferably, the low beam light source adopts the LED lamp, the low beam light source includes first group light source, second group light source and third group light source, first group light source includes an LED lamp, second group light source includes two LED lamps, third group light source includes three LED lamps, the quantity of the LED lamp in first group light source and the second group light source is unanimous with the reflecting groove quantity in the reflecting mirror that corresponds, be equipped with three speculum on the body that the light source of third group corresponds, be equipped with two reflecting grooves in the three speculum. The light sources are grouped, and then the light sources and the reflectors in different quantities are arranged corresponding to the groups, so that only the first group of light sources, the second group of light sources and the third group of light sources are combined, and the modular production is realized. A typical light source comprises five to eight LED lamps, and several different groups of light sources may be selected for combination, for example, if the light source comprises five LED lamps, a combination of a second group of light sources and a third group of light sources may be selected, or two groups of second group of light sources and a group of first group of light sources may be selected.

Preferably, the reflection groove is in a step shape, the shading groove is also in a step shape, the reflection groove comprises a first inclined section, a transverse straight section and a second inclined section which are sequentially connected, and the shading groove comprises a first working surface, a second working surface and a third working surface which are sequentially connected. The reflector may be ellipsoidal or parabolic or free-form.

Preferably, the first group of light sources is provided with a corresponding reflection groove, the included angles between the first inclined section and the transverse straight section of the reflection groove and the included angles between the second inclined section and the transverse straight section of the reflection groove are both 135 degrees, and a shading groove is arranged on the shading plate corresponding to the reflection groove.

Preferably, the second group of light sources corresponds to the two reflecting grooves, an included angle between the first inclined section and the transverse straight section of one reflecting groove is 165 degrees, and an included angle between the second inclined section and the transverse straight section is 135 degrees; the included angles between the first inclined section and the second inclined section of the other reflecting groove and the horizontal straight section are 135 degrees.

Preferably, the third group of light sources corresponds to two reflecting troughs, the included angles between the first inclined sections and the transverse straight sections of the two reflecting troughs are 135 degrees, the included angles between the second inclined sections and the transverse straight sections of the two reflecting troughs are 165 degrees, and at least two shading grooves are arranged on the light barrier corresponding to the third group of light sources.

Preferably, the first group of light sources, the second group of light sources and the third group of light sources are not in a straight line, and the LED light sources corresponding to the first group of light sources, the second group of light sources and the third group of light sources are located at the bottom of the root of the corresponding arc-shaped reflector.

Preferably, the circuit board is mounted on the heat sink.

On the other hand, this application still provides a car light, the car light has the aforesaid car light module.

On the other hand, the application also provides an automobile comprising the automobile lamp.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the speculum with LED light source one-to-one on the body, and divided into a plurality of sections with the barn door, every section is all to the LED light source of different positions, therefore every section barn door can all be installed in the focus department that corresponds the LED light source and corresponds, and is equipped with the reflector, is equipped with the shading groove on the barn door, through the cooperation in reflector and shading groove for the light and shade's passing beam cut-off line through lens magnification is more clear.

Simultaneously, this application is through the baffle setting in the focus department that corresponds the LED light source to and also set up every LED light source in the bottom of the root of the speculum that corresponds, in addition the light-blocking groove on the reflecting mirror and the barn door, thereby make the cut-off line of the light and shade cut-off line of the low beam type that jets out through lens more obvious, clear, reach the requirement of cut-off line.

Description of the drawings:

fig. 1 is a top view of the vehicular lamp provided by the present invention;

fig. 2 is a front view of the vehicular lamp provided by the present invention;

fig. 3 is an exploded view of the lamp module according to the present invention;

FIG. 4 is a schematic view of the light path of the lamp module of FIG. 3;

FIG. 5 is a schematic structural view of the body;

FIG. 6 is a schematic view of the mirror of FIG. 5;

fig. 7 is a front view of a light barrier.

The labels in the figure are: 1-radiator, 2-circuit board, 3-reflector, 4-light barrier, 5-lens, 6-body, 7-reflection groove, 71-first inclined section, 72-horizontal straight section, 73-second inclined section, 8-shading groove, 81-first working surface, 82-second working surface, 83-third working surface and 9-dipped beam light source.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Example one

As shown in fig. 1 to 7, the present application provides a vehicle lamp module including a circuit board 2, a reflector 3, a light blocking plate 4, a lens 5, and a heat sink 1. The circuit board 2 is mounted on the heat sink 1, and the heat sink 1 performs heat dissipation processing on the electrical components on the circuit board 2. The low beam light source 9 is mounted on the circuit board 2, the body 6 is mounted above the circuit board 2, the reflector 3 is mounted on the body 6, and the lens 5 is connected in front of the body 6. The low-beam light sources 9 on the circuit board 2 can be arranged in a row, and of course, the low-beam light sources can be arranged in a staggered manner, and the application mainly aims at improvement of the low-beam light sources 9 arranged in a staggered manner. The low-beam light source 9 arranged in a staggered manner enables the emitted low-beam light to be better in effect. The low beam light source 9 can be light sources such as an LED, an OLED, or a laser, the low beam light source 9 in this embodiment adopts an LED lamp, the number of the reflectors 3 in this application corresponds to the number of the low beam light sources 9 one by one, that is, there are several LED lamps, and how many reflectors 3 are arranged.

The reflector 3 may be in the shape of an ellipsoid or a paraboloid or a free-form surface, and the positions of the reflectors 3 are different for the LED light sources at different positions, but the reflectors 3 are arranged above the LED light sources, and each LED light source is arranged at the root position of the corresponding reflector 3, so that the LED light source is located at the focal point of the reflector 3.

The light barrier 4 is located between the reflector 3 and the lens 5, and the light barrier 4 may be mounted on the circuit board 2 or in front of the LED light source corresponding to the circuit board 2. The LED light source of this application is that the straggly separately sets up, and consequently the barn door 4 of this application also falls into a plurality of sections, and every section barn door 4 all is located the focus department of its corresponding reflector, and every section barn door 4 all is arc.

The inner surface of each reflector 3 is provided with a reflecting groove 7, the top of the light barrier 4 is provided with a plurality of shading grooves 8, and the reflecting grooves 7 and the shading grooves 8 are matched together for forming a low-beam cut-off line with clear light and shade.

In order to facilitate replacement, the LED light sources are modularized and comprise a first group of light sources, a second group of light sources and a third group of light sources, wherein the first group of light sources comprises one LED lamp, the second group of light sources comprises two LED lamps, and the third group of light sources comprises three LED lamps. The first group of light sources, the second group of light sources and the third group of light sources are not in the same straight line, and the LED light sources corresponding to the first group of light sources, the second group of light sources and the third group of light sources are positioned at the bottoms of the roots of the corresponding arc-shaped reflectors.

A typical low beam light comprises five to eight LED lights, for example if five LED lights are used, one set of first and two sets of second light sources may be used, or one set of second and one set of third light sources may be used. For different numbers of LED light sources, the first group of light sources, the second group of light sources, and the third group of light sources may be combined.

The reflecting groove 7 is in a step shape, the shading groove 8 is also in a step shape, the reflecting groove 7 comprises a first inclined section 71, a transverse straight section 72 and a second inclined section 73 which are sequentially connected, and the shading groove 8 comprises a first working surface 81, a second working surface 82 and a third working surface 83 which are sequentially connected. The inclination angles of the first working surface 81, the third working surface 83 and the second working surface 82 are 15 degrees or 45 degrees according to the requirements of the existing traffic regulations. The front edge of the shading plate is a curve which is bent backwards and can be adapted to the focal plane of the lens 5, so that the imaging is clearer.

The number of the LED lamps in the first group of light sources and the second group of light sources is consistent with the number of the reflecting grooves 7 in the corresponding reflecting mirror 3, namely, one LED lamp is arranged in the first group of light sources, one reflecting mirror 3 is arranged at the corresponding position of the LED lamp, and one reflecting groove 7 is arranged in the reflecting mirror 3. The included angles between the first inclined section 71, the second inclined section 73 and the horizontal straight section 72 of the reflective slot 7 corresponding to the first group of light sources are 135 degrees, the corresponding light shielding plate is provided with a light shielding slot 8, the included angle between the first working surface 81 and the second working surface 82 of the light shielding slot 8 is 135 degrees, and the included angle between the third working surface 83 and the second working surface 82 is 165 degrees. The light barrier 4 corresponding to the first group of light sources is designed in the shape of a circular arc, and the light-blocking slot 8 is also designed in the shape of a corresponding circular arc, where the included angle refers to the view angle when the front view is viewed.

Two LED lamps are arranged in the second group of light sources, two reflectors 3 are arranged at corresponding points, and a reflecting groove 7 is formed in each reflector 3, namely the two LED lamps correspond to the two reflecting grooves 7. The included angle between the first inclined section 71 and the transverse straight section 72 of one of the reflecting grooves 7 is 165 degrees, and the included angle between the second inclined section 73 and the transverse straight section 72 is 135 degrees; the first inclined section 71 and the second inclined section 73 of the other reflecting groove 7 form 135 degrees with the horizontal straight section 72. The first working surface 81, the third working surface 83 and the second working surface 82 of the corresponding shading groove 8 form an included angle of 165 degrees.

Be equipped with three speculum 3 on the body 6 that the light source of third group corresponds, be equipped with two reflecting chutes 7 in the three speculum 3, the first slope section 71 of two reflecting chutes 7 is 135 with the contained angle of horizontal straight section 72, and the second slope section 73 of two reflecting chutes 7 is 165 with the contained angle of horizontal straight section 72, is equipped with two at least shading grooves 8 on the barn door 4 that the light source of third group corresponds.

The light emitted by the LED lamp is reflected and converged by the reflection grooves 7 on each corresponding reflector 3, then selectively blocks part of the light by the light blocking grooves 8 above the corresponding light blocking plates 4, and finally converged and diffused by the lens 5 to form a low-beam cut-off line with clear bright and dark line boundaries.

Example two

The embodiment provides a car light, car light have the aforesaid car light module.

EXAMPLE III

This embodiment provides an automobile, includes the car light of right above.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The car light module is characterized by comprising a circuit board (2), a reflector (3), a light barrier (4) and lenses (5), wherein the reflector (3) and the lenses (5) are all installed on a body (6), low-beam light sources (9) are installed on the circuit board (2), the number of the reflectors (3) on the body (6) corresponds to the number of the low-beam light sources (9) one by one, the reflector (3) is arranged above the low-beam light sources (9), the low-beam light sources (9) are located at the focus of the reflector (3), the light barrier (4) is located between the reflector (3) and the lenses (5), and a reflecting groove (7) is formed in each reflector (3); the light barrier (4) is a plurality of sections, each section of light barrier (4) is located at the focus of the corresponding reflector, a plurality of shading grooves (8) are formed in the top of the light barrier (4), and the reflecting grooves (7) and the shading grooves (8) are matched together and used for forming a low-beam cut-off line with clear light and shade.

2. The car light module according to claim 1, characterized in that the low beam light source (9) adopts LED lamps, the low beam light source (9) includes a first group light source, a second group light source and a third group light source, the first group light source includes one LED lamp, the second group light source includes two LED lamps, the third group light source includes three LED lamps, the number of the LED lamps in the first group light source and the second group light source is consistent with the number of the reflecting grooves (7) in the corresponding reflecting mirror (3), the body (6) corresponding to the third group light source is provided with three reflecting mirrors (3), and two reflecting grooves (7) are arranged in the three reflecting mirrors (3).

3. The vehicle lamp module according to claim 2, wherein the reflective groove (7) is stepped, the light shielding groove (8) is also stepped, the reflective groove (7) comprises a first inclined section (71), a transverse straight section (72) and a second inclined section (73) which are connected in sequence, and the light shielding groove (8) comprises a first working surface (81), a second working surface (82) and a third working surface (83) which are connected in sequence.

4. The car light module according to claim 3, characterized in that the first set of light sources has a corresponding reflective slot (7), and the first inclined section (71), the second inclined section (73) and the horizontal straight section (72) of the reflective slot (7) have an included angle of 135 °, and the corresponding light shielding plate has a light shielding slot (8).

5. The car light module according to claim 3, characterized in that the second group of light sources corresponds to two reflecting grooves (7), and the first inclined section (71) of one reflecting groove (7) forms an angle of 165 ° with the horizontal straight section (72), and the second inclined section (73) forms an angle of 135 ° with the horizontal straight section (72); the included angles of the first inclined section (71) and the second inclined section (73) of the other reflecting groove (7) and the horizontal straight section (72) are 135 degrees.

6. The car light module according to claim 3, characterized in that the third group of light sources corresponds to two reflecting grooves (7), the included angles between the first inclined sections (71) and the horizontal straight sections (72) of the two reflecting grooves (7) are 135 °, the included angles between the second inclined sections (73) and the horizontal straight sections (72) of the two reflecting grooves (7) are 165 °, and at least two light shielding grooves (8) are arranged on the light barrier (4) corresponding to the third group of light sources.

7. The vehicle lamp module according to claim 2, wherein the first, second and third light sources are not aligned, and the LED light sources corresponding to the first, second and third light sources are located at the bottom of the root of the corresponding arc-shaped reflector.

8. The vehicle lamp module according to claim 1, further comprising a heat sink (1), wherein the circuit board (2) is mounted on the heat sink (1).

9. A vehicular lamp characterized by having the vehicular lamp module according to any one of claims 1 to 8.

10. An automobile comprising the lamp according to claim 9.