CN216952891U - Car light assembly and vehicle - Google Patents

Abstract

The utility model provides a car lamp assembly and a car, which comprise two lighting modules, wherein each lighting module comprises an optical bracket and a light source, the optical bracket is provided with an accommodating cavity and a light-transmitting area, the light source is arranged in the accommodating cavity, and light rays emitted by the light source are reflected to the light-transmitting area through the side wall of the accommodating cavity and are diffused outwards from the light-transmitting area to form light spots. The accommodating cavities formed by the two lighting modules are mutually independent, and the light transmission areas formed by the two lighting modules are mutually independent. One of the lighting modules is defined as a high beam module, the other lighting module is defined as a low beam module, and a light source in the high beam module is a laser light source. The utility model can improve the distance of high beam illumination to the greatest extent and can realize on-off switching of high beam and low beam through the simplest control logic.

Description

Car light assembly and vehicle

Technical Field

The utility model belongs to the technical field of vehicle parts, and particularly relates to a vehicle lamp assembly and a vehicle.

Background

The headlight of the vehicle is used as the eye of the vehicle, not only related to the appearance quality of the vehicle, but also closely related to the safe driving at night or under bad weather conditions. The LED headlamps are widely used in consideration of illumination brightness, installation volume, response speed, service life, and energy saving effect, but the LED light sources have significant disadvantages in terms of high beam illumination and extended irradiation distance. In order to further improve the visibility of drivers during driving at night or under complex road conditions, laser light sources are increasingly used in high beam lighting.

The existing headlamp adopting the laser light source generally uses the laser light source as an auxiliary light source of high beam, and the laser light source is matched with an LED light source to be used, so that the purposes of improving the illumination intensity of the high beam and the illumination distance are achieved. However, in the existing headlamp adopting the laser light source, when the far and near light illumination is switched, the lighting of the laser light source needs to follow a specific lighting condition, and the control logic is relatively complicated; in addition, the laser light source is used as an auxiliary light source, and does not have the function of sufficiently increasing the illumination distance, so that the aim of further improving the driving safety is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a car lamp assembly and a car, aiming at simplifying the control logic of a laser light source during switching of high-beam and low-beam illumination and fully improving the illumination distance of the high-beam illumination.

In order to achieve the purpose, the utility model adopts the technical scheme that:

in a first aspect, a vehicle lamp assembly is provided, comprising:

the LED illuminating device comprises two illuminating modules, wherein each illuminating module comprises an optical support and a light source, the optical support is provided with an accommodating cavity and a light-transmitting area, the light source is arranged in the accommodating cavity, light rays emitted by the light source are reflected to the light-transmitting area through the side wall of the accommodating cavity and are diffused outwards from the light-transmitting area to form light spots;

the accommodating cavities formed by the two lighting modules are mutually independent, and the light-transmitting areas formed by the two lighting modules are mutually independent;

one of the lighting modules is defined as a high beam module, the other lighting module is defined as a low beam module, and the light source in the high beam module is a laser light source.

With reference to the first aspect, in one possible implementation manner, the optical bracket includes:

the heat dissipation bracket is provided with the light source;

the reflector covers the light source and is connected to the heat dissipation support, and the accommodating cavity with a light outlet is formed between the reflector and the heat dissipation support; and

and the convex lens is covered on the light outlet and forms the light transmitting area.

With reference to the first aspect, in a possible implementation manner, an optical acting surface corresponding to the light source is formed in the reflection cover, and the optical acting surface is divided into a reflection surface facing the light emitting direction of the light source and a light shielding surface connecting the reflection surface and the convex lens.

With reference to the first aspect, in one possible implementation manner, the reflecting surface is a curved surface.

With reference to the first aspect, in a possible implementation manner, the light sources in the high beam module are arranged in parallel, and the optical acting surfaces are correspondingly arranged on the reflector in parallel.

With reference to the first aspect, in a possible implementation manner, the light source corresponding to the low beam module includes a low beam laser light source and a low beam LED light source which are arranged side by side, and the optical acting surface includes a first low beam acting surface corresponding to the low beam laser light source and a second low beam acting surface corresponding to the low beam LED light source.

With reference to the first aspect, in a possible implementation manner, the low-beam LED light sources are arranged in parallel, and the second low-beam acting surface is also correspondingly arranged in parallel on the reflector.

With reference to the first aspect, in one possible implementation manner, the reflector is divided into a connecting body and an optical acting body which are connected in sequence;

the optical action body is covered on the light source and is connected with the heat dissipation bracket;

the connecting body is an annular component, and the opening of the connecting body, which is far away from the optical action body, forms the light outlet;

the optical action body forms the reflecting surface, and the optical action body and the connecting body together form the shading surface.

With reference to the first aspect, in a possible implementation manner, a first connecting flange is formed on a light emitting side of the connector, and a second connecting flange adapted to the first connecting flange is formed on an outer periphery of the convex lens.

Compared with the prior art, the scheme shown in the embodiment of the application has the advantages that the light source of the high beam module is set as the laser light source, so that laser becomes a main light source for high beam illumination, and the distance of the high beam illumination is increased to the greatest extent; simultaneously, with the illumination of distance light module and the illumination mutual isolation of passing light module, the switching of opening and close of the switching of passing light of distance light through simplest control logic can be realized not by the influence of passing light module or other form light sources in the laser source of distance light module.

In a second aspect, the embodiment of the present invention further provides a vehicle, including the above lamp assembly.

Compared with the prior art, the scheme shown in the embodiment of the application can effectively improve driving safety by adopting the car lamp assembly, meanwhile, the on-off switching control logic of the far and near light illumination is simple, the corresponding speed of on-off switching is improved, and then the quality sense of a vehicle is favorably improved.

Drawings

Fig. 1 is a schematic front view of two lighting modules according to an embodiment of the present invention;

fig. 2 is an exploded view of a low beam module employed in an embodiment of the present invention;

fig. 3 is a schematic structural view of a reflector in a low beam module according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a low beam module according to an embodiment of the present invention;

fig. 5 is a schematic top view of a low beam module according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a cross-sectional view B-B of FIG. 5;

FIG. 8 is an exploded view of a high beam module used in an embodiment of the present invention;

fig. 9 is a schematic perspective view of a high beam module according to an embodiment of the present invention;

FIG. 10 is a schematic top view of a high beam module according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view C-C of FIG. 10;

fig. 12 is an exploded view of an assembly structure of a lamp assembly according to an embodiment of the present invention.

Description of reference numerals:

10. an illumination module; 10a, a high beam module; 10b, a low beam module;

100. an optical mount; 110. a heat dissipation bracket; 111. a heat dissipating fin; 120. a reflector; 121. a linker; 122. an optically active body; 123. a first connecting flange; 130. a convex lens; 131. a second connecting flange; 140. an optically active surface; 141. a reflective surface; 142. a light shading surface; 140a, a first low beam action surface; 140b, a second low beam action surface; 150. a heat radiation fan;

200. a light source; 210. a near-beam laser light source; 220. a low beam LED light source;

20. a lamp housing;

30. a lens.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, 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 merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 11 together, the lamp assembly according to the present invention will now be described. The car light assembly includes two illumination modules 10, and every illumination module 10 all includes optical bracket 100 and light source 200, and optical bracket 100 is formed with holding chamber and printing opacity region, and the holding chamber is located to light source 200, and the light that light source 200 sent reflects to printing opacity region through the lateral wall in holding chamber to form the facula by printing opacity region outdiffusion. The accommodating cavities formed by the two lighting modules 10 are independent from each other, and the light transmission areas formed by the two lighting modules 10 are independent from each other. One of the lighting modules 10 is defined as a high beam module 10a, the other lighting module 10 is defined as a low beam module 10b, and the light source 20 in the high beam module 10a is defined as a laser light source.

It should be noted that the high beam module 10a and the low beam module 10b in the present application are exemplarily shown to be distributed in a staggered manner in the vertical direction, and it should be understood that the distribution manner of the high beam module 10a and the low beam module 10b is set according to the actual design requirement of the vehicle (for example, the high beam module and the low beam module are also distributed in a staggered manner in the front-rear direction), and the normal light emission is not affected, and the present invention is not limited thereto. In addition, the term "up" refers to the direction from the bottom of the vehicle to the top of the vehicle, and vice versa "down"; the term "front" refers to the light emitting direction of the high beam module 10a and the low beam module 10b, and vice versa as "rear".

Compared with the prior art, the vehicle lamp assembly provided by the embodiment has the advantages that the light source 200 of the high beam module 10a is set as a laser light source, so that laser light becomes a main light source for high beam illumination, the distance of the high beam illumination is increased to the greatest extent, especially, the effect of ultra-high beam illumination is realized under the condition of high-speed driving, and further, a longer illumination distance is obtained; meanwhile, the illumination of the high beam module 10a and the illumination of the low beam module 10b are isolated from each other, the on and off of the laser light source in the high beam module 10a is not affected by the low beam module 10b or other light sources, and the on and off switching of the high beam and the low beam can be realized through the simplest control logic.

Referring to fig. 12, the two lighting modules 10 are both installed in a cavity structure formed by a lamp housing 20, the lamp housing 20 is connected to a vehicle body, and a lens 30 is covered at a front opening of the cavity structure to perform light distribution and sealing protection.

It should be noted that the cavity structure in the lamp housing 20 may be a plurality of relatively independent cavities, and the two lighting modules 10 are respectively installed in different cavities, which is not shown in the figure; alternatively, the lamp housing 20 may form only one cavity, and both the lighting modules 10 are installed in the same cavity, as shown in fig. 12; the specific distribution form of the cavity structure is designed according to the requirements of different vehicle types, and is not limited herein.

In addition, the distribution of the two lighting modules 10 within the cavity structure of the lamp housing 20 is exemplarily set as follows: the low beam module 10b is located on the outer side of the high beam module 10a (i.e., the side away from the X-axis of the vehicle body), and the low beam module 10b and the high beam module 10a are distributed in a staggered manner in the up-down direction and the front-rear direction. However, it should be understood that the distribution of the low beam module 10b and the high beam module 10a is set according to the actual use requirement, and is not listed here.

In some embodiments, the above-described feature optical mount 100 may be configured as shown in fig. 1-11. The optical mount 100 includes a heat-dissipating mount 110, a reflection cover 120, and a convex lens 130; the light source 200 is arranged on the heat dissipation bracket 110, the reflector 120 covers the light source 200 and is connected to the heat dissipation bracket 110, and an accommodating cavity with a light outlet is formed between the reflector 120 and the heat dissipation bracket 110; the convex lens 130 covers the light outlet and forms a light transmission region. In this embodiment, the heat dissipation bracket 110 is used as a support for the light source 200, which not only provides an installation platform, but also can perform a good heat dissipation function on the light source 200, thereby being beneficial to prolonging the service life of the light source 200. In this embodiment, the light emitting direction of the light source 200 is toward the reflective cover 120 and is perpendicular to the opening direction of the light outlet.

In specific implementation, referring to fig. 1, fig. 2, fig. 4, and fig. 6 to fig. 11, a plurality of heat dissipation fins 111 are formed on one side of the heat dissipation bracket 110 away from the light source 200, so as to guide air flow and increase heat dissipation area, and meanwhile, a heat dissipation fan 150 is further disposed at the heat dissipation fins 111, so as to accelerate air circulation and increase heat dissipation efficiency to the maximum extent. The main body of the heat dissipation bracket 110 in the present embodiment is integrally disposed with the heat dissipation fins 111, and can be made of aluminum, so as to improve the heat conduction capability of the heat dissipation bracket 110 to the maximum extent.

In some embodiments, referring to fig. 3, 6, 7 and 11, the optical acting surface 140 corresponding to the light source 200 is formed inside the reflective cover 120, and the optical acting surface 140 is divided into a reflecting surface 141 facing the light emitting direction of the light source 200 and a light shielding surface 142 connecting the reflecting surface 141 and the convex lens 130. The reflective cover 120 of the present embodiment not only realizes light reflection, but also forms a tight shielding effect between the convex lens 130 and the reflective surface 141 through the light shielding surface 142, so as to avoid light leakage to affect light focusing, and ensure illumination brightness.

The characteristic reflecting surface 141 may be configured as shown in fig. 3, 6, 7, and 11. Referring to fig. 2, the reflecting surface 141 is a curved surface in order to focus the light rays at the convex lens 130 after reflection.

In the present embodiment, the light shielding surface 142 is exemplarily shown as a curved surface, which forms a bowl-shaped curved surface with the reflecting surface 141, i.e., the optical acting surface 140 is a bowl-shaped curved surface, which allows for a smooth connection between the convex lens 130 and the reflecting surface 141, and achieves a more compact structure. It should be understood that the light shielding surface 142 may be a surface with other shapes to satisfy the light shielding effect, and at the same time, the light reflected by the reflecting surface 141 is not obstructed, and the present invention is not limited thereto.

In some embodiments, referring to fig. 8 to 11, a plurality of light sources 200 are arranged side by side in the high beam module 10a, and a plurality of optical active surfaces 140 are correspondingly arranged side by side on the reflective cover 120. The plurality of light sources 200 in this embodiment may adopt laser light sources of the same color, or laser light sources of different colors, so as to meet the requirements of light-emitting color tones; in practical use, it is preferable that the plurality of light sources 200 emit light with different colors, thereby realizing white light illumination. In addition, a parallel design mode is adopted among the light sources 200, so that the light sources 200 can be positioned on the same plane of the heat dissipation support 110, the light emitting effect is convenient to control, meanwhile, the assembly mode of the light sources 200 and the heat dissipation support 110 is simplified, and the design difficulty is reduced.

Corresponding to the plurality of light sources 200 arranged side by side in the high beam module 10a, the convex lenses 130 are also correspondingly distributed side by side, and the diffusion of light is realized through different convex lenses 130, so that the uniformity of light emission is ensured.

In the high beam module 10a of this embodiment, the reflection areas (the areas surrounded by the reflection surfaces 141 and the heat dissipation bracket 110) corresponding to two adjacent light sources 200 are isolated from each other, that is, the joint of two adjacent reflection surfaces 141 extends to the mounting surface of the heat dissipation bracket 110, so as to ensure that two adjacent laser light sources do not interfere with each other; the light shielding areas (areas formed by the light shielding surfaces 142 and the heat dissipation bracket 110) corresponding to two adjacent light sources 200 are not limited to be isolated, and the light emitting performance can be satisfied. In this embodiment, two adjacent light-shielding regions are communicated with each other.

In some embodiments, referring to fig. 2, 3, 5 to 7, the light source 200 corresponding to the low-beam module 10b includes a low-beam laser light source 210 and a low-beam LED light source 220 arranged side by side, and the optical active surface 140 includes a first upper low-beam active surface 140a corresponding to the low-beam laser light source 210 and a second low-beam active surface 140b corresponding to the low-beam LED light source 220. In this embodiment, the mode that LED light source and laser light source mutually supported is adopted in the short-distance beam illumination, can compensate the not enough defect of laser light source expansion, can also promote the illumination distance and guarantee the illumination zone, obtains bright again, wide again, the illumination experience far away, promotes the security of driving.

In order to ensure the wide range of illumination, referring to fig. 2 and 3, a plurality of low-beam LED light sources 220 are arranged side by side, and a plurality of second low-beam active surfaces 140b are correspondingly arranged side by side on the reflector 120. In the present embodiment, six low-beam LED light sources 220 are exemplarily arranged on the same light source board, and of course, the number of the low-beam LED light sources 220 may be flexibly set, which is not limited herein.

In the low beam module 10b of this embodiment, whether the reflection areas (the areas formed by the reflection surfaces 141 and the heat dissipation bracket 110) corresponding to the two adjacent light sources 200 are isolated from each other and whether the shading areas (the areas formed by the shading surfaces 142 and the heat dissipation bracket 110) corresponding to the two adjacent light sources 200 are isolated from each other is not limited uniquely, and the light emitting performance can be satisfied. In this embodiment, the two adjacent light-shielding regions and the two adjacent reflective regions are communicated with each other.

In order to realize reasonable space distribution of the reflection cover 120 and meet the assembly with other parts, referring to fig. 2 to 11, the reflection cover 120 is divided into a connecting body 121 and an optical acting body 122 which are connected in sequence; the optical acting body 122 is covered on the light source 200 and connected with the heat dissipation bracket 110; the connecting body 121 is an annular member, and an opening of the connecting body 121 away from the optical action body 122 forms a light outlet; the optical acting body 122 forms a reflecting surface 141, and the optical acting body 122 and the connecting body 121 together form a light shielding surface 142. In this embodiment, the outer periphery of the optical acting body 122 extends outward to form a mounting portion, so as to implement the mounting with the heat dissipation bracket 110.

On the basis of the above embodiment, in order to realize the connection between the reflection cover 120 and the convex lens 130, referring to fig. 2 to 11, the light-emitting side of the connection body 121 forms a first connection flange 123, and the outer circumference of the convex lens 130 forms a second connection flange 131 adapted to the first connection flange 123. This embodiment realizes connection between them through the flange structure, simple structure, and convenient assembling still removes the mounting structure who sets up convex lens 130 in addition on automobile body or heat dissipation support 110 simultaneously from for assembly structure is simpler.

Based on the same inventive concept, the embodiment of the application also provides a vehicle, which comprises the vehicle lamp assembly.

Compared with the prior art, the vehicle provided by the embodiment can effectively improve the driving safety by adopting the vehicle lamp assembly, meanwhile, the on-off switching control logic of the far and near light illumination is simple, the corresponding speed of on-off switching is improved, and then the quality sense of the vehicle is favorably improved.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. A vehicle lamp assembly, comprising:

the LED illuminating device comprises two illuminating modules, wherein each illuminating module comprises an optical support and a light source, the optical support is provided with an accommodating cavity and a light-transmitting area, the light source is arranged in the accommodating cavity, light rays emitted by the light source are reflected to the light-transmitting area through the side wall of the accommodating cavity and are diffused outwards from the light-transmitting area to form light spots;

the accommodating cavities formed by the two lighting modules are mutually independent, and the light-transmitting areas formed by the two lighting modules are mutually independent;

one of the lighting modules is defined as a high beam module, the other lighting module is defined as a low beam module, and the light source in the high beam module is a laser light source.

2. The lamp assembly of claim 1 wherein said optical mount comprises:

the heat dissipation bracket is provided with the light source;

the reflector covers the light source and is connected to the heat dissipation support, and the accommodating cavity with a light outlet is formed between the reflector and the heat dissipation support; and

and the convex lens is covered on the light outlet and forms the light transmitting area.

3. The lamp assembly according to claim 2, wherein an optically active surface corresponding to said light source is formed inside said reflector, said optically active surface being divided into a reflecting surface facing a light emitting direction of said light source and a light shielding surface joining said reflecting surface and said convex lens.

4. The lamp assembly of claim 3 wherein said reflective surface is curved.

5. The lamp assembly of claim 3 wherein said plurality of light sources are positioned side-by-side in said high beam module and said plurality of optically active surfaces are also positioned in corresponding side-by-side relationship on said reflector.

6. The lamp assembly of claim 3, wherein the light source for the low beam module comprises a low beam laser light source and a low beam LED light source arranged side by side, and the optically active surface comprises a first low beam active surface corresponding to the low beam laser light source and a second low beam active surface corresponding to the low beam LED light source.

7. The lamp assembly of claim 6 wherein said low beam LED light sources are arranged in a plurality of side-by-side relationship, and said second low beam active surface is also correspondingly arranged in a plurality of side-by-side relationship on said reflector.

8. The lamp assembly of claim 3 wherein said reflector is divided into a connecting body and an optically active body in serial engagement;

the optical action body is covered on the light source and is connected with the heat dissipation bracket;

the connecting body is an annular component, and the opening of the connecting body, which is far away from the optical action body, forms the light outlet;

the optical action body forms the reflecting surface, and the optical action body and the connecting body together form the shading surface.

9. The lamp assembly of claim 8 wherein the light exit side of the connector forms a first connecting flange and the outer perimeter of the convex lens forms a second connecting flange that mates with the first connecting flange.

10. A vehicle comprising a lamp assembly according to any one of claims 1 to 9.

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