CN221197114U - Automobile front shining lamp - Google Patents

Abstract

The utility model discloses an automobile headlamp, which comprises a heat dissipation bracket, a first light source, a second light source, a light changing component, a third light source, a light emitting lens component and a heat dissipation component, wherein the first light source is arranged on the heat dissipation bracket and used for providing floodlight rays, the second light source is used for providing condensing light rays, the light changing component is used for realizing far-near light function switching, the third light source is arranged above the first light source and used for providing light supplementing rays, the light emitting lens component is arranged on a common light path of the first light source, the second light source and the third light source, the heat dissipation component is arranged on the heat dissipation bracket and is away from the side where the light emitting lens component is located, the heat dissipation component comprises a radiator and a heat dissipation fan, the light emitting lens component comprises a first lens used for emitting floodlight rays and condensing light rays and a second lens used for emitting light supplementing rays, and the first lens and the second lens are round lenses or nearly round lenses. The automobile headlamp provided by the utility model can fully collect and emit the light rays of each light source, and has the advantages of high light emitting efficiency, short whole length and higher heat dissipation efficiency.

Description

Automobile front shining lamp

Technical Field

The utility model relates to the technical field of automobile illumination, in particular to an automobile headlamp.

Background

Most of the automobile lens headlamps on the market at present are of a high-low beam integrated structure, wherein the low beam effect mainly emits light through the lower half area of the automobile lamp lens, the light emitted from the upper half area of the automobile lamp lens is increased when the high beam effect is to be achieved, and the light effect of the high beam and the low beam are changed to be switched through the movement or the overturning of the electromagnetic valve cut-off piece. In order to pursue brighter and more distant-light illumination effects, lamp enterprises in the aftermarket have been trying to add auxiliary distant-light sources on the basis of existing automotive lens headlights in recent years. The specific scheme design is that a small lens structure is arranged at the top of a car lamp lens, as shown in fig. 1, light rays of an auxiliary high beam light source are collected and emitted through the small lens, the structure of the whole car lamp lens is similar to that of a whole spherical lens or an aspheric lens, a small round part is enucleated, and the enucleated area is replaced by a small lens. The lens headlight can illuminate a longer distance and has higher brightness when being used for high-beam illumination. However, since the headlight of the automotive lens reserves the position of the small lens at the top of the headlight lens, the light receiving efficiency of the headlight lens to the original high beam light source and low beam light source is reduced, thereby resulting in the reduction of the light efficiency of the original high beam light source and low beam light source.

Disclosure of utility model

The utility model aims to overcome at least one defect of the prior art and provides the automobile headlamp, and the automobile headlamp can fully collect and emit light rays of all light sources on the basis of comprising at least three light sources, and has high light emitting efficiency, short overall length of the automobile headlamp and high heat dissipation efficiency.

The technical scheme adopted by the utility model is as follows:

The utility model provides an automotive headlamp, includes the heat dissipation support, is used for providing floodlight first light source and the second light source that is used for providing spotlight ray of setting on the heat dissipation support for realize the light changing subassembly that far and near light function switches, set up the top of first light source and be used for providing the third light source of light filling ray, set up the light-emitting lens subassembly on the common light way of first light source, second light source, third light source, and set up the radiator unit who deviates from light-emitting lens subassembly place side on the heat dissipation support, the radiator unit includes radiator and radiator fan, light-emitting lens subassembly is including the first lens that is used for emergent floodlight ray, spotlight ray and the second lens that is used for emergent light filling ray, first lens and second lens are circular lens or nearly circular lens.

In one embodiment, the heat dissipating bracket includes a first bracket for mounting a first light source, a second light source, and a second bracket for mounting a third light source, the first bracket and the second bracket being substantially perpendicular.

In one embodiment, the heat sink includes a first heat sink that dissipates heat from the first and second light sources and a second heat sink that dissipates heat from the third light source.

In one embodiment, the first radiator, the second radiator and the heat dissipation fan are sequentially arranged along the main optical axis direction of the light-emitting lens assembly, and the heat dissipation channels of the first radiator and the second radiator are parallel to the main optical axis of the light-emitting lens assembly; or the first radiator and the second radiator are arranged in parallel along the direction of the main optical axis of the light-emitting lens assembly, the radiating channels of the first radiator and the second radiator are perpendicular to the main optical axis of the light-emitting lens assembly, the number of the radiating fans is two, and the two radiating fans are respectively arranged on two sides of the first radiator and the second radiator along the direction perpendicular to the main optical axis.

In one embodiment, the light-emitting lens assembly comprises a light-emitting lens and a lens support for fixing the light-emitting lens, the first lens and the second lens are arranged on the light-emitting lens, and the ratio of the diameter of the light-incident surface of the light-emitting lens to the equivalent diameter of the first lens is (1.25-1.54): 1.

In one embodiment, the number of the second lenses is 2, and 2 second lenses are symmetrically arranged on the top of the first lens, and the first lens and the second lens are closely connected with each other.

In one embodiment, the automobile front light further comprises a fourth light source for providing light with a signal reminding function.

In one embodiment, the fourth light source includes a lamp panel and two LED light emitters mounted on the lamp panel, micro-optical structures are disposed on two sides of the first lens, and positions of the two LED light emitters on the lamp panel correspond to the micro-optical structures.

In one embodiment, the third light source is a laser module, the laser module includes a laser assembly and a module housing for mounting the laser assembly, and the module housing is disposed on the second bracket.

In one embodiment, the first bracket and the second bracket are integrally formed, or the first bracket, the second bracket, and the module housing are integrally formed.

Compared with the prior art, the utility model has the beneficial effects that: the automobile headlamp provided by the utility model can fully collect and emit light rays of the first light source, the second light source and the third light source on the basis of comprising at least three light sources, the light emitting efficiency is high, the brightness of the automobile headlamp is high, the first lens for emitting the light rays of the first light source and the second light source is a circular lens or a nearly circular lens, compared with the light emitting lens of the existing three-light source automobile headlamp on the market, the focal length of the first lens is shorter, the mounting positions of the first light source and the second light source can be closer to the light emitting lens assembly, and the length of the automobile headlamp is shorter. On the other hand, because the length of the automobile headlamp is shorter, more automobile types can be adapted, more space can be reserved for the heat dissipation structure, and the heat dissipation effect is improved.

Drawings

Fig. 1 is a schematic view of a conventional light-emitting lens of a three-light-source vehicle lamp with an auxiliary high beam light source.

Fig. 2 is an exploded view of an automotive headlamp according to embodiment 1 of the present utility model.

Fig. 3 is an assembly view of an automotive headlamp according to embodiment 1 of the present utility model.

Fig. 4 is a front view of an automotive headlamp according to embodiment 1 of the present utility model.

Fig. 5 is a structural diagram of a heat dissipation bracket according to embodiment 1 of the present utility model.

Fig. 6 is an assembly diagram of a first heat sink according to embodiment 1 of the present utility model assembled on a heat sink bracket.

Fig. 7 is an assembly diagram of a second heat sink according to embodiment 1 of the present utility model on a heat sink bracket.

Fig. 8 is an assembly diagram of the first heat sink and the second heat sink in embodiment 1 of the present utility model.

Fig. 9 is a schematic diagram of a heat dissipation wind direction according to embodiment 1 of the present utility model.

Fig. 10 is an exploded view of an automotive headlamp according to embodiment 2 of the present utility model.

Fig. 11 is an assembly view of an automotive headlamp according to embodiment 2 of the present utility model.

Fig. 12 is a structural diagram of a heat dissipation bracket according to embodiment 2 of the present utility model.

Fig. 13 is an assembly diagram of a first heat sink according to embodiment 2 of the present utility model on a heat sink bracket.

Fig. 14 is an assembly view of a second heat sink according to embodiment 2 of the present utility model on a heat sink bracket.

Fig. 15 is an assembly diagram of the first heat sink and the second heat sink according to embodiment 2 of the present utility model.

Fig. 16 is a schematic diagram of a heat dissipation wind direction in embodiment 2 of the present utility model.

Description of the drawings: 1. a heat dissipation bracket; 2. a first light source; 21. a first LED illuminant; 22. a first reflective cup; 3. a second light source; 32. a second reflector cup; 4. a light-changing component; 5. a third light source; 6. a light extraction lens assembly; 61. a light-emitting lens; 611. a first lens; 612. a second lens; 613. a micro-optical structure; 62. a lens holder; 7. a fourth light source; 71. an LED illuminant; 72. a lamp panel; 8. a heat sink; 81. a first heat sink; 82. a second heat sink; 83. a heat conducting copper pipe; 9 a heat radiation fan; 10. a housing.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the utility model. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 2, 3 and 4, the embodiment discloses an automotive headlamp, which comprises a heat dissipation bracket 1, a first light source 2 arranged on the heat dissipation bracket 1 and used for providing floodlight, a second light source 3 used for providing condensing light, a light changing component 4 used for realizing switching of far and near light functions, a third light source 5 arranged above the first light source 2 and used for providing light supplementing light, a light emitting lens component 6 arranged on a common light path of the first light source 2, the second light source 3 and the third light source 4, and a heat dissipation component arranged on the heat dissipation bracket 1 and away from the side of the light emitting lens component 6, wherein the heat dissipation component comprises a radiator 8 and a heat dissipation fan 9, the light emitting lens component 6 comprises a first lens 611 used for emitting floodlight and condensing light and a second lens 612 used for emitting light supplementing, and the first lens 611 and the second lens 612 are round lenses or nearly round lenses.

The first light source 2 of the automotive headlamp according to the present embodiment is used for realizing low beam illumination with a wide road feel, the second light source 3 is used for realizing long distance high beam illumination, and the third light source 5 is used for supplementing the high beam or low beam illumination light effect. When the low beam effect is to be achieved, the dimming component 4 is located on the light paths of the first light source 2 and the second light source 3, and the light is partially blocked, similar to cutting the light, so that the low beam lighting effect is achieved. When the high beam illumination effect is to be achieved, the variable light component 4 is moved out of the light path, and light is not blocked, so that the high beam illumination is achieved. Because the first lens 611 is a circular lens or a near-circular lens, the first lens 611 can fully collect and emit the light rays of the first light source 2 and the second light source 3, the efficiency of the first light source 2 and the second light source 3 can be improved, the light emitting efficiency is high, and the brightness of the vehicle lamp is high. And because the first lens 611 is a circular lens or a near-circular lens, compared with the existing light-emitting lens of the three-light-source vehicle lamp for emitting the low beam light source and the high beam light source on the market, the focal length of the first lens 61 is shorter, and then the mounting positions of the first light source 2 and the second light source 3 can be closer to the light-emitting lens assembly 6, the overall length of the vehicle headlamp is shorter, and the overall size of the vehicle headlamp is smaller. Furthermore, because the whole length of the automobile headlamp is shorter, more automobile types can be adapted, more space can be reserved for the heat dissipation structure, and the heat dissipation effect is improved. This implementation car light deviate from the radiating component that sets up of the side that light-emitting lens subassembly 6 is located on radiating bracket 1, radiating component includes radiator 8 and radiator fan 9, because first light source 2 and second light source 3 are comparatively close to light-emitting lens subassembly, can reserve more spaces for radiating component, radiator 8 space is great, can set up the radiator of bigger volume, realizes high efficiency heat dissipation. It should be noted that the "circular lens or near circular lens" in the present utility model refers to a lens that appears as a whole to be a nearly spherical lens or an aspherical lens, and may also be referred to as a "circular lens or near circular lens" in that a small portion of the edge is cut away in order to match the outer contour of the light incident surface of the light emitting lens and/or in order to enable the first lens 61 and the second lens 62 to be closely contacted with each other.

Further, as shown in fig. 5, the heat dissipation bracket 1 includes a first bracket 11 for mounting the first light source 2, the second light source 3, and a second bracket 12 for mounting the third light source 5, and the first bracket 11 and the second bracket 12 are substantially vertical. The term "substantially vertical" as used herein refers to a plane in which the first leg 11 is primarily located and a plane in which the second leg is primarily located. In this embodiment, the plane in which the first bracket 11 mainly exists is a horizontal plane, and the plane in which the second bracket mainly exists is a vertical plane. Further, in this embodiment, the first bracket and the second bracket are integrally formed.

Further, as shown in fig. 6, 7, 8 and 9, in this embodiment, the first heat sink 81, the second heat sink 82 and the heat dissipation fan 9 are sequentially disposed along the main optical axis direction of the light-emitting lens assembly, and the heat dissipation channels of the first heat sink 81 and the second heat sink 82 are parallel to the main optical axis of the light-emitting lens assembly 6. That is, in the present embodiment, the heat dissipation fan 9, the second heat sink 82, and the first heat sink 81 are sequentially arranged along the main optical axis direction of the light extraction lens assembly 6, and the heat dissipation fan 9 blows air to the second heat sink 82 and the first heat sink 81, and rapidly dissipates heat through the heat dissipation channels of the second heat sink 82 and the first heat sink 81. Further, the first heat sink 81 and the second heat sink 82 are each formed of a plurality of metal sheets disposed at intervals.

Further, the light-emitting lens assembly 6 includes a light-emitting lens 61 and a lens holder 62 for fixing the light-emitting lens 61, the first lens 611 and the second lens 612 are disposed on the light-emitting lens 61, and a ratio of a diameter of a light-incident surface of the light-emitting lens 61 to an equivalent diameter of the first lens 611 is (1.25-1.54): 1. The first lens with the size can fully improve the utilization rate of the light-emitting lens and improve the light-emitting efficiency of the first light source and the second light source. Further, the lens holder is mounted on a second holder.

The equivalent diameter refers to the diameter of a complete spherical lens or an aspheric lens under the condition of equal side thickness. The main optical axis of the light-emitting lens assembly 6 in this embodiment refers to an axis passing through the center point of the light-emitting lens 61 and perpendicular to the light-incident surface of the light-emitting lens 61.

Further, the number of the second lenses 612 is 2, 2 second lenses 612 are symmetrically disposed on top of the first lens 611, and the first lens 611 and the second lens 612 are closely connected to each other. By the design, the light-emitting lens has attractive appearance and high light-emitting efficiency. Correspondingly, the third light source 5 is also correspondingly provided with two luminous bodies, the two second lenses 612 can collect and emit the light rays of the two luminous bodies of the third light source 5, and compared with the design that the third light source 5 is provided with only one luminous body, the design light supplementing effect of the two luminous bodies is better, and the brightness of the vehicle lamp is higher. Further, the first lens 611 and the 2 second lenses 612 are integrally molded. The integrated forming design mode can reduce the processing procedures on one hand and can improve the processing precision on the other hand.

Further, the front light of the automobile further comprises a fourth light source 7 for providing light rays with a signal reminding function. The fourth light source 7 may be a daytime running light position light or a turn signal light.

Further, the fourth light source 7 includes a light plate 72 and two LED emitters 71 mounted on the light plate 72, as shown in fig. 4, micro-optical structures 613 are disposed on two sides of the first lens 611, and positions of the two LED emitters 71 on the light plate 72 correspond to the micro-optical structures 613. The utility model adds the fourth light source 7 and adds the micro-optical structure 613 on the light-emitting lens 6, which can further increase the functions of the automobile headlamp and improve the utilization rate of the light-emitting lens assembly 6, enrich the performance of the automobile headlamp and improve the texture of the headlamp. The two light emitters 71 of the fourth light source 7 may be both daytime running light position lamps, or may be both turn lamps, or may be one daytime running light position lamp and the other turn lamp.

Further, in this embodiment, the micro-optical structure 613 is a pyramid array structure. In other embodiments, the micro-optical structure may also be a spherical lens array structure.

Further, the micro-optical structure 613 is flatter than the convex structures of the first lens 611 and the second lens 612. Further, the first lens 611 and the second lens 612 are integrally formed with the micro-optical structure 613.

Further, as shown in fig. 6, in the present embodiment, micro-optical structures 63 are disposed on both sides of the first lens 61 and the second lens 62. The micro-optical structures are arranged on two sides of the automobile headlamp, so that the automobile headlamp is symmetrical and attractive overall, and the utilization rate of the light-emitting lens of the automobile lamp achieves an extremely good effect.

The third light source 5 is an LED light source module or a laser module, or an LED light source module and a laser module (i.e., an LED light source module and a laser module). Further, in this embodiment, the third light source 5 is a laser module. Still further, the laser module includes a laser assembly and a module housing for mounting the laser assembly, the module housing being disposed on the second bracket 12. The first bracket, the second bracket and the module shell are integrally formed. The laser assembly may be a conventional direct laser assembly structure in the market, and will not be described herein.

Further, the light-changing component in this embodiment is a solenoid valve light-cutting sheet conventionally used in the market, and will not be described here again.

Further, the automotive headlamp of the embodiment further comprises a shell 10 for wrapping the cooling fan and the radiator, and the design of the shell 10 can improve the aesthetic degree of the automotive headlamp and achieve a dustproof effect.

Further, in this embodiment, the first light source 2 and the second light source 3 are respectively disposed on the upper and lower sides of the first heat dissipation bracket 11, the first light source 2 includes a first LED light emitter 21 and a first reflective cup 22 covered above the first LED light emitter 21, and the second light source 3 includes a second LED light emitter (not shown in the view angle diagram) and a second reflective cup 32 covered below to emit light from the second LED. More specifically, in the present embodiment, the first LED emitter 21 and the second LED emitter are mounted on the same copper plate, and are located on the upper and lower sides of the copper plate, respectively. In other embodiments, the first LED light emitter 21 and the second LED light emitter may be disposed on two different copper plates, and the two copper plates are disposed on the lower and upper sides of the heat dissipation bracket, that is, the two copper plates are disposed on the upper surface or the lower surface of the first heat dissipation bracket, respectively.

Further, as shown in fig. 6, the heat dissipation bracket is provided with heat dissipation fins 111 for further improving heat dissipation efficiency.

Further, as shown in fig. 7, a heat conducting copper pipe 83 is further disposed between the second radiator 82 and the second bracket 12, and the heat conducting copper pipe 83 is designed to facilitate the heat of the third light source 5 and the second bracket 12 to be quickly transferred to the second radiator 82, so as to improve the heat dissipation effect.

Example 2

As shown in fig. 10 and 11, the present embodiment discloses an automotive headlamp, including a heat dissipation bracket 1, a first light source 2 for providing floodlight and a second light source 3 for providing spotlight light, a dimming component 4 for implementing far and near light function switching, a third light source 5 for providing light supplement light, which is disposed above the first light source 2, a light-emitting lens component 6 disposed on a common light path of the first light source 2, the second light source 3 and the third light source 4, and a heat dissipation component, which is disposed on the heat dissipation bracket 1 and is away from the side of the light-emitting lens component 6, wherein the heat dissipation component includes a heat radiator 8 and a heat dissipation fan 9, the light-emitting lens component 6 includes a first lens 611 for emitting floodlight and spotlight light and a second lens 612 for emitting light supplement, and the first lens 611 and the second lens 612 are circular lenses or nearly circular lenses. As shown in fig. 12, 13, 14 and 15, the first heat sink 81 and the second heat sink 82 are arranged in parallel along the direction of the main optical axis of the light-emitting lens assembly 6, the heat dissipation channels of the first heat sink 81 and the second heat sink 82 are perpendicular to the main optical axis of the light-emitting lens assembly 6, the number of the heat dissipation fans 9 is two, and the two heat dissipation fans 9 are respectively arranged at two sides of the first heat sink 81 and the second heat sink 82 along the direction perpendicular to the main optical axis. The present embodiment is similar to embodiment 1 in general configuration, except that the first heat sink 81, the second heat sink 82, the heat dissipation fan 9, and the housing 10 are different. According to the technical scheme, the heat dissipation channels of the first radiator 81 and the second radiator 82 are perpendicular to the main optical axis direction of the light-emitting lens assembly 6, the wind direction trend of the fan is perpendicular to the main optical axis direction, and the heat dissipation effect is enhanced through the two heat dissipation fans.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the present utility model to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present utility model should be included in the protection scope of the claims of the present utility model.

Claims (10)

1. The utility model provides an automotive headlamp, its characterized in that includes the heat dissipation support, the first light source that is used for providing floodlight light and the second light source that is used for providing spotlight light that set up on the heat dissipation support for realize the light conversion component that far and near light function switches, the third light source that sets up in the top of first light source and be used for providing light filling light, set up the light-emitting lens subassembly on the common light way of first light source, second light source, third light source, and set up the radiator unit who deviates from light-emitting lens subassembly place side on the heat dissipation support, the radiator unit includes radiator and radiator fan, light-emitting lens subassembly is including the first lens that is used for outgoing floodlight, spotlight light and the second lens that is used for outgoing light filling light, first lens and second lens are circular lens or nearly circular lens.

2. The automotive headlamp of claim 1 wherein the heat dissipating bracket comprises a first bracket for mounting a first light source, a second light source, and a second bracket for mounting a third light source, the first bracket and the second bracket being generally perpendicular.

3. The automotive headlamp of claim 2 wherein the heat sink comprises a first heat sink that dissipates heat from the first and second light sources and a second heat sink that dissipates heat from the third light source.

4. The automotive headlamp according to claim 3, wherein the first radiator, the second radiator and the heat radiation fan are arranged in sequence along the main optical axis direction of the light-emitting lens assembly, and the heat radiation channels of the first radiator and the second radiator are parallel to the main optical axis of the light-emitting lens assembly; or the first radiator and the second radiator are arranged in parallel along the direction of the main optical axis of the light-emitting lens assembly, the radiating channels of the first radiator and the second radiator are perpendicular to the main optical axis of the light-emitting lens assembly, the number of the radiating fans is two, and the two radiating fans are respectively arranged on two sides of the first radiator and the second radiator along the direction perpendicular to the main optical axis.

5. The automotive headlamp according to claim 1, wherein the light-emitting lens assembly comprises a light-emitting lens and a lens holder for fixing the light-emitting lens, the first lens and the second lens are both disposed on the light-emitting lens, and a ratio of a diameter of a light-incident surface of the light-emitting lens to an equivalent diameter of the first lens is (1.25-1.54): 1.

6. The automotive headlamp of claim 1 wherein the number of second lenses is 2, and 2 of the second lenses are symmetrically disposed on top of the first lens, the first and second lenses each being in close proximity to each other.

7. The automotive headlamp of claim 6 further comprising a fourth light source for providing light having a signal alert function.

8. The automotive headlamp of claim 7 wherein the fourth light source comprises a lamp panel and two LED lights mounted on the lamp panel, wherein micro-optical structures are provided on both sides of the first lens, and wherein the positions of the two LED lights on the lamp panel correspond to the micro-optical structures.

9. The automotive headlamp of claim 2 wherein the third light source is a laser module comprising a laser assembly and a module housing for mounting the laser assembly, the module housing being disposed on the second bracket.

10. The automotive headlamp of claim 9, wherein the first bracket and the second bracket are integrally formed, or the first bracket, the second bracket, and the module housing are integrally formed.