CN216619661U

CN216619661U - Vehicle lamp

Info

Publication number: CN216619661U
Application number: CN202122895106.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangzhou Optical Technology Co ltd
Current assignee: Guangzhou Optical Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-27
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a vehicle lamp, comprising: the light source comprises a base body, a first light-emitting module, a second light-emitting module and an emergent component, wherein the first light-emitting module and the second light-emitting module are arranged on the base body; the first light-emitting module is arranged at the end part of the base body, and the second light-emitting module is arranged at the side part of the base body; the base body is provided with a radiator, the base body is integrally formed with the radiator, and the emergent assembly is detachably connected with the base body. According to the vehicle lamp, the first light-emitting module and the second light-emitting module are respectively arranged at different positions of the base body, meanwhile, the radiator is arranged on the base body, so that the vehicle lamp can quickly radiate heat, the influence on the service life of the vehicle lamp due to local overheating is avoided, the base body and the radiator are integrally formed, the heat radiation effect is improved while the assembly process is simplified, and the emergent component is detachably connected with the base body, so that the upgrading and maintenance of a light path are facilitated.

Description

Vehicle lamp

Technical Field

The utility model relates to the technical field of optics, in particular to a vehicle lamp.

Background

Traditional car light illuminance is not high, drives a vehicle at night, especially under the condition that the road conditions is complicated, can't ensure driving safety. Therefore, the illumination intensity can be improved by increasing the number of the light-emitting modules, but the number of the light-emitting modules is simply increased, so that the temperature of the car lamp can be rapidly increased after the car lamp is started, the car lamp is easy to radiate heat for a long time, the service life of the car lamp is influenced, and meanwhile, the upgrading and the maintenance of a light path are not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome at least one defect (deficiency) of the prior art, and provides a vehicle lamp, which is used for solving the problems that the current vehicle lamp is low in illumination, the long-time working of the vehicle lamp is easy to cause poor heat dissipation, the service life of the vehicle lamp is influenced, and meanwhile, the upgrading and maintenance of a light path are not convenient.

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

a vehicle lamp, comprising: the light emitting module comprises a base body, a first light emitting module, a second light emitting module and an emergent component, wherein the first light emitting module and the second light emitting module are arranged on the base body; the first light-emitting module is arranged at the end part of the base body, and the second light-emitting module is arranged at the side part of the base body; the base body is provided with a radiator, the base body and the radiator are integrally formed, and the emergent assembly is detachably connected with the base body.

In one embodiment, the first light emitting module is a laser assembly, and the second light emitting module is a side LED module; the laser assembly and the emergent assembly are respectively arranged at two opposite ends of the substrate; and the base body is provided with a light passing channel for transmitting light rays emitted by the laser assembly to the emergent assembly.

In one embodiment, the exit assembly comprises a lens holder detachably connected with the base body, a wavelength conversion device arranged in a cavity of the lens holder, and a first lens arranged at one end of the lens holder and used for exiting parallel light or near-parallel light; the wavelength conversion device is located between the first lens and the laser assembly.

In one embodiment, the exit assembly further includes a second lens disposed in the cavity of the lens holder and configured to receive light emitted from the wavelength conversion device, and the second lens is located between the first lens and the wavelength conversion device.

In one embodiment, the first lens, the second lens and the wavelength conversion device are coaxially arranged and the wavelength conversion device is located at the combined focal point of the first lens and the second lens.

In one embodiment, the laser assembly includes a laser body, a light guide for guiding laser light emitted from the laser body to the exit assembly, and a lens assembly disposed in a light exit direction of the laser body for focusing the laser light onto the light guide.

In one embodiment, the lens assembly includes a third lens and a fourth lens, wherein the third lens and the fourth lens are sequentially arranged in the light emitting direction of the laser body and are used for gathering and collimating laser light and focusing the laser light.

In one embodiment, the side LED module comprises a substrate and a light emitting unit arranged on the substrate; and the base body is provided with a mounting groove for mounting the lateral LED module.

In one embodiment, the mounting groove is arranged on one side of the base body, and the light emitting unit comprises a first light emitter and a second light emitter which are respectively arranged on two opposite sides of the base plate; a light through hole penetrating through the laser module is formed in the mounting groove; the size and the position of the light through hole are matched with the first light emitter or the second light emitter.

In one embodiment, the light passing hole and the light passing channel do not interfere with each other.

In one embodiment, the first light emitting module is a head LED module, and the second light emitting module is a side LED module; the head LED module is arranged at one end, close to the emergent device, of the base body.

In one embodiment, the vehicle lamp further comprises a reflector cup, and the reflector cup is used for reflecting the light beam of the second light-emitting module.

In one embodiment, the first light emitting module is provided with a connecting part detachably connected with the reflecting cup.

Compared with the prior art, the utility model has the beneficial effects that:

according to the technical scheme, the first light-emitting module and the second light-emitting module are combined together to form the illuminating light of the vehicle lamp, so that the illuminance of the vehicle lamp is improved, a driver is helped to widen the visual field, and the driving safety is guaranteed; in addition, the first light-emitting module and the second light-emitting module are respectively arranged at different positions of the base body, so that the influence on the service life of the car lamp due to local overheating caused by centralized arrangement when the car lamp is used is effectively avoided; simultaneously, set up the radiator on this technical scheme's the base member, make the car light dispel the heat fast, further avoid local overheat and influence the life of car light, and base member and radiator integrated into one piece have not only simplified assembly process, have also promoted the radiating effect. In addition, the outgoing component with the base member can be dismantled and be connected, when light path upgrading or during the maintenance need be carried out, the outgoing component can be dismantled and replace or maintain, and convenient and fast just saves upgrading or cost of maintenance.

Drawings

Fig. 1 is an explosion diagram of a vehicle lamp according to embodiment 1 of the present invention.

Fig. 2 is an assembly view of the vehicular lamp according to embodiment 1 of the present invention.

Fig. 3 is a schematic view of a laser light path of the vehicle lamp according to embodiment 1 of the present invention.

Fig. 4 is a first schematic structural diagram of a substrate according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural diagram of a substrate according to embodiment 1 of the present invention.

Fig. 6 is a schematic structural diagram of a substrate according to embodiment 1 of the present invention.

Fig. 7 is an assembly view of the vehicular lamp according to embodiment 2 of the present invention.

Fig. 8 is a side view of the vehicular lamp according to embodiment 2 of the present invention.

Fig. 9 is a sectional view a-a in fig. 8.

Reference numerals: 10. a substrate; 111. mounting grooves; 112. a light through hole; 12. a heat sink; 13. a light passage; 14. a laser assembly; 141. a laser body; 142. a third lens; 143. a fourth lens; 15. An exit assembly; 151. a lens holder; 152. a wavelength conversion device; 153. a first lens; 154. a second lens; 16. a reflector; 20. a side LED module; 21. a substrate; 22. a light emitting unit; 30. head LED module.

Detailed Description

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

Example 1

A vehicular lamp as shown in fig. 1 to 3, comprising: the light source comprises a base body 10, a first light-emitting module, a second light-emitting module and an emergent component 15, wherein the first light-emitting module and the second light-emitting module are arranged on the base body 10; the first light emitting module is arranged at the end part of the base body 10, and the second light emitting module is arranged at the side part of the base body 10; the base body 10 is provided with a radiator 12, the base body 10 and the radiator 12 are integrally formed, and the emergent component 15 is detachably connected with the base body 10.

The first light emitting module is taken as the laser component 14, and the second light emitting module is taken as the side LED module 20 for the description; the laser component 14 and the emergent component 15 are respectively arranged at two opposite ends of the substrate 10; the substrate 10 is provided with a light-transmitting channel 13 for transmitting light emitted from the laser assembly 14 to the exit assembly 15.

According to the vehicle lamp, the laser component 14 is combined with the side LED module 20, the auxiliary high beam is output through the emergent component 15 by utilizing the higher illumination of the laser light source, and the auxiliary high beam and the main illumination beam output by the side LED module 20 jointly form the illumination beam of the vehicle lamp, so that the wide field of vision of a driver is facilitated, and the driving safety is guaranteed. Meanwhile, the base body 10 of the embodiment is provided with the radiator 12, so that the automobile lamp can radiate heat quickly, the influence of local overheating on the service life of the automobile lamp is avoided, and the base body 10 and the radiator 12 are integrally formed, so that the assembly process is simplified, and the heat radiation effect is improved. In addition, the emergent component 15 and the base body 10 can be detachably connected, when the light path is required to be upgraded or maintained, the emergent component 15 can be detached to replace or maintain, the convenience and the rapidness are realized, and the light path upgrading or maintaining cost is saved.

As shown in fig. 1 to 4, the exit assembly 15 of the present embodiment includes a lens holder 151 detachably connected to the base 10, a wavelength conversion device 152 disposed in the cavity of the lens holder 151, and a first lens 153 disposed at one end of the lens holder 151 and used for exiting parallel light or near-parallel light; the wavelength conversion device 152 is located between the first lens 153 and the laser assembly 14. Light emitted by the laser assembly 14 passes through the light transmission channel 13 and then enters the wavelength conversion device 152 for wavelength conversion, part of the laser light is converted into stimulated light, mixed light formed by mixing unconverted laser light and stimulated light is illumination light capable of providing an illumination effect, and then parallel light or near-parallel light is emitted through the first lens 153. Specifically, the lens holder 151 of the present embodiment is screwed to the base 10, and may be a snap connection, a bolt connection, or the like in other embodiments.

In this embodiment, the exit assembly 15 further includes a second lens 154 disposed in the cavity of the lens holder 151 and configured to receive light emitted by the wavelength conversion device, and the second lens 154 is located between the first lens 153 and the wavelength conversion device 152. Light emitted by the laser assembly 14 passes through the light-transmitting channel 13 and then enters the wavelength conversion device 152 for wavelength conversion, and after the mixed light formed by the unconverted laser and the received laser is received or collimated by the second lens 154, parallel light or near-parallel light is finally emitted by the first lens 153.

Preferably, the first lens 153, the second lens 154, and the wavelength conversion device 152 according to the present embodiment are coaxially disposed; the wavelength conversion device 152 is located at the combined focal point of the first lens 153 and the second lens 154, so that the light rays finally exit as parallel light or near parallel light, and high beam illumination with a small light exit angle is realized.

The laser assembly 14 according to this embodiment includes a laser body 141, a light guide for guiding laser light emitted from the laser body 141 to the emitting assembly 15, and a lens assembly disposed in a light emitting direction of the laser body 141 and used for focusing the laser light to the light guide. Specifically, the lens assembly includes a third lens 142 and a fourth lens 143, which are sequentially disposed in the light emitting direction of the laser body 141 and used for collecting and collimating laser light, and focusing laser light. Further, the third lens 142 and the fourth lens 143 are disposed coaxially with the excitation point of the laser body 141.

Specifically, the light guide is a reflector 16, and the reflector 16 of the present embodiment includes a first reflection unit and a second reflection unit, which are implemented by one quadrangular prism. That is, the excitation light is reflected twice, and then the optical path is adjusted to be incident on the wavelength conversion device 152.

As shown in fig. 1 in conjunction with fig. 4 to 6, the side LED module 20 of the present embodiment includes a substrate 21 and a light emitting unit 22 disposed on the substrate 21; the base body 10 is provided with a mounting groove 111 for mounting the side LED module 20. In the embodiment, the substrate 21 is directly mounted in the mounting groove 111 by means of connection such as adhesion or bolts, and compared with a method of mounting the substrate 21 in the center of the base 10 and splitting the base 10 into two parts, the method enables the base to be integrally formed, so that the assembly is simple and fast, and the heat dissipation effect is better.

In addition, in order to further simplify the installation process, the installation groove 111 is provided on one side of the base 10, and the light emitting unit 22 includes a first light emitter and a second light emitter respectively provided on two opposite sides of the substrate 21; a light through hole 112 penetrating through the laser module 10 is arranged in the mounting groove 111; the size and position of the light passing hole 112 matches the first or second light emitter. That is, under the condition that the light passing hole 112 is matched with the first light emitter, after the substrate 21 is installed, the light emitted by the first light emitter is emitted from the side where the base body 10 is not provided with the mounting groove 111 through the light passing hole 112, and the light emitted by the second light emitter is directly emitted from the side where the mounting groove 111 is provided on the base body 10, so that the light emission from both sides of the side LED module 20 can be realized through one-time installation, and it is not necessary to provide the mounting groove 111 on each side of the base body 10 to install the side LED module 20.

In order to avoid the interference between the light beam of the side LED module 20 and the light beam of the laser module 10 to affect the light efficiency, the light passing hole 112 and the light passing channel 13 do not interfere with each other in the present embodiment.

The vehicle lamp of the present embodiment further includes a heat dissipation fan (not shown) for blowing air toward the heat sink 12 to accelerate heat exchange and enhance heat dissipation. Specifically, the heat dissipation fan is disposed at one end of the base 10 close to the heat sink 12.

The vehicle lamp according to the present embodiment further includes a reflector (not shown) for reflecting the light beam of the side LED module 20. The side LED modules 20 emit light from both sides of the base 10, and output main illumination light forward after being reflected by the reflective cups. This embodiment be equipped with on the laser module 10 with the connecting portion that can dismantle the connection of anti-light cup, connecting portion can be for buckle connection, threaded connection, bolted connection etc to be convenient for the change or the maintenance of laser module 10. But the car light is as removable light source subassembly multiple vehicle headlamps of adaptation, need not to change the whole head-light structure that contains anti-light cup when reequiping the upgrading to vehicle headlamps, only needs more to utilize the light source luminous element part of original vehicle headlamps of car light replacement can.

Example 2

As shown in fig. 7-9, the structure and principle of the present embodiment are similar to those of embodiment 1, except that the first light emitting module and the second light emitting module in the present embodiment are both LED modules, wherein the first light emitting module is the head LED module 30, and the second light emitting module is the side LED module 20; the head LED module 30 is disposed at one end of the base 10 close to the emitting device 15. The arrangement of the side LED module 20 in this embodiment refers to the structure and arrangement of the side LED module 20 in embodiment 1. Since the head LED module 30 in this embodiment is disposed near one end of the emitting device 15, it is not necessary to provide a light channel, and the light is directly projected to the emitting assembly 15.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A vehicle lamp, characterized by comprising: the light emitting module comprises a base body, a first light emitting module, a second light emitting module and an emergent component, wherein the first light emitting module and the second light emitting module are arranged on the base body; the first light-emitting module is arranged at the end part of the base body, and the second light-emitting module is arranged at the side part of the base body; the base body is provided with a radiator, the base body and the radiator are integrally formed, and the emergent assembly is detachably connected with the base body.

2. The vehicular lamp according to claim 1, wherein the first light emitting module is a laser assembly, and the second light emitting module is a side LED module; the laser assembly and the emergent assembly are respectively arranged at two opposite ends of the substrate; and the base body is provided with a light passing channel for transmitting light rays emitted by the laser assembly to the emergent assembly.

3. The vehicular lamp according to claim 2, wherein the exit assembly comprises a lens holder detachably connected to the base, a wavelength conversion device disposed in the cavity of the lens holder, and a first lens disposed at one end of the lens holder and adapted to exit parallel light or near-parallel light; the wavelength conversion device is located between the first lens and the laser assembly.

4. The vehicular lamp according to claim 3, wherein the exit assembly further comprises a second lens disposed in the cavity of the lens holder and configured to receive light emitted from the wavelength conversion device, and the second lens is located between the first lens and the wavelength conversion device.

5. The vehicular lamp according to claim 4, wherein the first lens, the second lens, and the wavelength conversion device are coaxially disposed, and the wavelength conversion device is located at a combined focal point of the first lens and the second lens.

6. The vehicular lamp according to claim 2, wherein the laser assembly comprises a laser body, a light guide for guiding the laser light emitted from the laser body to the exit assembly, and a lens assembly provided in the light exit direction of the laser body for focusing the laser light onto the light guide.

7. The vehicle lamp according to claim 6, wherein the lens assembly comprises a third lens and a fourth lens, the third lens and the fourth lens are sequentially arranged in the light emitting direction of the laser body and are used for gathering and collimating the laser light and focusing the laser light.

8. The vehicular lamp according to claim 2, wherein the side LED module comprises a base plate and a light emitting unit disposed on the base plate, and the base body is provided with a mounting groove for mounting the side LED module.

9. The vehicular lamp according to claim 8, wherein the mounting groove is provided on one side of the base, and the light emitting unit includes a first light emitter and a second light emitter respectively provided on two opposite sides of the base; a light through hole penetrating through the laser module is formed in the mounting groove; the size and the position of the light through hole are matched with the first light emitter or the second light emitter.

10. The vehicular lamp according to claim 9, wherein the light passing hole and the light passing channel do not interfere with each other.

11. The vehicular lamp according to claim 1, wherein the first light emitting module is a head LED module, and the second light emitting module is a side LED module; the head LED module is arranged at one end, close to the emergent component, of the base body.

12. The vehicular lamp according to any one of claims 1 to 11, further comprising a reflector cup for reflecting the light beam of the second light emitting module.