CN220269194U

CN220269194U - Double-light lens car lamp

Info

Publication number: CN220269194U
Application number: CN202321278566.1U
Authority: CN
Inventors: 龙涛; 孙保伟; 黄玉春; 陈玉; 黄帆
Original assignee: Supervision Laser Technology Suzhou Co ltd
Current assignee: Supervision Laser Technology Suzhou Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-12-29
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a double-light lens car lamp, which comprises a fixed support, a lens assembly, a far-near light switching mechanism, a low beam module, a heat radiating unit and a direct beam module, wherein the lens assembly, the far-near light switching mechanism, the low beam module and the heat radiating unit are sequentially arranged on the fixed support from front to back, the direct beam module is positioned above one side of a light outlet of the low beam module, the lens assembly comprises a lens support and a lens unit which are arranged on the fixed support, the lens unit comprises a first partition and a second partition, light rays emitted by the direct beam module are projected to the first partition and then emitted to form direct beams, light rays emitted by the low beam module are projected to the second partition and then emitted to form the low beam, the direct beam module comprises a first direct beam source and a second direct beam source, and the first partition comprises a first lens corresponding to the first direct beam source and a second lens corresponding to the second direct beam source. The direct irradiation module can be started to supplement light under the condition that the low beam illumination brightness is insufficient or the high beam illumination mode, so that the illumination brightness is improved, the operation is convenient, and the adaptability is good.

Description

Double-light lens car lamp

Technical Field

The utility model relates to the technical field of semiconductor illumination, in particular to a double-light lens car lamp.

Background

With the development of semiconductor technology, LED (Light Emitting Diode ) light sources are gradually replacing traditional incandescent lamps and energy-saving lamps due to the advantages of high efficiency, energy saving, environmental protection, low cost, long service life and the like, and become a general illumination light source.

An existing commonly used LED double-light headlamp for a vehicle is shown in figure 1, and comprises a lens 1, a lens bracket 2, a fixed bracket 3, a radiator 4, a reflecting cup 5 and an LED light source 6; the lens 1 is connected at the front end of the fixed support 3 through the lens support 2, the radiator 4 and the reflecting cup 5 are connected at the rear end of the fixed support 3, the radiator 4 is arranged below and the reflecting cup 5 is arranged above, a high-low beam switching mechanism is arranged between the lens 1 and the reflecting cup 5, and a light distribution shading plate 7 capable of being dynamically adjusted is adopted. By adjusting the steering of the light distribution shading plate 7, the quantity of light from the light reflecting cup 5 to the lens 1 can be adjusted, so that the switching between the high beam state and the low beam state is realized. The double-light headlamp is simple in structure, however, due to the limitation of the brightness of the LED light source and the fact that the light distribution shading plate 7 can shade part of light, the problem of insufficient high beam illumination is caused, and the requirements of customers cannot be met in the practical application process.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the double-light lens car lamp capable of effectively improving high beam illumination.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a double-light lens car light, includes the fixed bolster, from the front to back locate lens subassembly, far and near light switching mechanism, dipped beam module and the radiating element on the fixed bolster in proper order, and be located the direct injection module of light outlet one side top of dipped beam module, the lens subassembly including install in lens support and the lens unit on the fixed bolster, the lens unit includes first subregion and second subregion, the light projection that the direct injection module was emergent is arrived after the first subregion is emergent and is formed the direct injection light beam, the light projection that the dipped beam module was emergent arrives after the second subregion is emergent and is formed the dipped beam, the direct injection module includes first direct injection light source and second direct injection light source, first subregion include with the first lens that the first direct injection light source corresponds and with the second lens that the second direct injection light source corresponds.

Further, the LED lamp further comprises a first reflector corresponding to the first direct light source and a second reflector corresponding to the second direct light source.

Further, the light emitting surface areas of the first direct light source and the second direct light source are the same or different.

Further, the first direct light source is provided with two parts, the two parts are respectively arranged at the two sides of the second direct light source, the first lens is correspondingly provided with two parts, the two parts are respectively arranged at the two sides of the second lens, the areas of the light emitting surfaces of the first direct light source and the second direct light source are different, and the divergence angles and the irradiation ranges of the light beams emitted by the first lens and the second lens are different.

Further, the first direct light source and the second direct light source do not operate simultaneously.

Further, the fixed support is provided with a vertical installation surface and a horizontal installation surface which are perpendicular to each other and are integrally formed, the low beam module and the radiating unit are fixed on the horizontal installation surface, the lens assembly, the direct beam module and the far and near beam switching mechanism are fixed on the vertical installation surface, a through hole is formed in the middle of the vertical installation surface, and a light beam emitted by the low beam module passes through the through hole and then is projected to a first partition of the lens unit.

Furthermore, the direct injection module is installed on the fixed support through an adapter, and the adapter is made of a heat conducting material.

Further, a heat conduction copper pipe is connected between the adapter and the heat dissipation unit.

Further, the high beam and low beam switching mechanism corresponds to a light outlet of the low beam module, and comprises an electromagnetic valve and a light barrier which are arranged on a fixed support, wherein the upper edge of the light barrier is positioned at the focus of the first lens, and a cut-off line is formed after the first lens images.

Further, the low beam module comprises a low beam light source and a low beam reflecting cup corresponding to the low beam light source, and one end of the low beam reflecting cup, far away from the lens assembly, is inclined downwards.

The utility model provides a double-light lens car lamp, which comprises a fixed support, a lens assembly, a far-near light switching mechanism, a low beam module, a heat radiating unit and a direct beam module, wherein the lens assembly, the far-near light switching mechanism, the low beam module and the heat radiating unit are sequentially arranged on the fixed support from front to back, the direct beam module is positioned above one side of a light outlet of the low beam module, the lens assembly comprises a lens support and a lens unit which are arranged on the fixed support, the lens unit comprises a first partition and a second partition, light rays emitted by the direct beam module are projected to the first partition and then emitted to form direct beams, light rays emitted by the low beam module are projected to the second partition and then emitted to form the low beam, the direct beam module comprises a first direct beam source and a second direct beam source, and the first partition comprises a first lens corresponding to the first direct beam source and a second lens corresponding to the second direct beam source. The light generated by the low beam module can form a low beam illumination mode and a high beam illumination mode through the high beam and low beam switching mechanism, and the direct beam module can be started to supplement light under the condition that the low beam illumination brightness is insufficient or the high beam illumination mode, so that the illumination brightness is improved; in addition, the areas of the light emitting surfaces of the first direct light source and the second direct light source can be different, and when in a high beam illumination mode, the first direct light source and the second direct light source are selectively turned on according to the actual environment, so that large-range high beam illumination or long-distance high beam illumination is realized, the control is convenient, and the adaptability is good.

Drawings

FIG. 1 is a schematic diagram of a conventional automotive LED bi-optic headlamp;

fig. 2 is a schematic diagram of the overall structure of a dual-lens vehicle lamp according to embodiment 1 of the present utility model;

FIG. 3 is an exploded view of a lamp with a double lens according to embodiment 1 of the present utility model;

fig. 4 is a schematic diagram showing the overall structure of a dual-lens vehicle lamp according to embodiment 2 of the present utility model;

fig. 5 is an exploded construction diagram of a double-lens vehicle lamp in embodiment 2 of the present utility model;

FIG. 6 is a schematic diagram showing the correspondence between the first and second direct light sources and the lens unit in embodiment 3 of the present utility model;

shown in fig. 1: 1. a lens; 2. a lens holder; 3. a fixed bracket; 4. a heat sink; 5. a reflective cup; 6. an LED light source; 7. a light distribution shading plate;

shown in fig. 2-6: 10. a fixed bracket; 110. a horizontal mounting surface; 120. a vertical mounting surface; 121. a groove; 20. a lens assembly; 210. a lens holder; 220. a lens unit; 221. a first partition; 222. a second partition; 223. a first lens; 224. a second lens; 30. a high beam and low beam switching mechanism; 310. an electromagnetic valve; 320. a light barrier; 40. a low beam module; 410. a low beam light source; 420. dipped beam reflecting cup; 50. a heat radiation unit; 510. a fin radiator; 520. a fan; 60. a direct injection module; 610. a first direct-light source; 620. a second direct light source; 631. a first reflector; 632. a second reflector; 70. an adapter; 80. and a heat conducting copper pipe.

Detailed Description

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

Example 1

As shown in fig. 2-3, the present utility model provides a dual-light lens car light, which comprises a fixing support 10, a lens assembly 20, a high beam/low beam switching mechanism 30, a low beam module 40 and a heat dissipation unit 50 which are sequentially arranged on the fixing support 10 from front to back, and a direct beam module positioned above a light outlet side of the low beam module 40, wherein the lens assembly 20 comprises a lens support 210 and a lens unit 220 which are mounted on the fixing support 10, the lens unit 220 comprises a first partition 221 and a second partition 222 with different focuses, the light rays emitted by the direct beam module are projected to the first partition 221 and then emitted to form a direct beam, the light rays emitted by the low beam module 40 are projected to the second partition 222 and then emitted to form a low beam, the direct beam module comprises a first direct beam source 610 and a second direct beam source 620, and the first partition 221 comprises a first lens 223 corresponding to the first direct beam source 610 and a second lens 224 corresponding to the second direct beam source 620. Specifically, the first direct light source 610 is located at the focal point of the first lens 223 and the second direct light source 620 is located at the focal point of the second lens 224; the light generated by the low beam module 40 can form a low beam illumination mode and a high beam illumination mode through the high beam and low beam switching mechanism 30, and can be used for starting the direct beam module to supplement light under the condition of insufficient low beam illumination brightness or the high beam illumination mode, so as to improve illumination brightness, the areas of the light emitting surfaces of the first direct beam light source 610 and the second direct beam light source 620 are the same or different, and when the areas of the light emitting surfaces of the first direct beam light source 610 and the second direct beam light source 620 are the same, the corresponding first lens 223 and the second lens 224 are also completely the same, and can be complete small lenses or small lenses with missing edge parts. When the areas of the light emitting surfaces of the first lens 223 and the second lens 224 are different, the corresponding focal points and sizes of the light beams are different, and the divergence angle and the irradiation range of the emitted light beams are also different, if the first direct light source 610 adopts a rectangular LED with larger light emitting area, the second direct light source 620 adopts a round LED or a laser light source with smaller light emitting area, the divergence angle of the light beams emitted by the first direct light source 610 is larger, the divergence angle of the light beams emitted by the second direct light source 620 is smaller, the irradiation distance is long, one of the light beams can be selected for illumination according to the environmental requirements during practical application, so that the high beam illumination with different requirements is realized, and the adaptability is better. The terms front, back, upper and lower are all terms of orientation, and are merely used for more clearly describing the technical solutions herein without limiting the scope.

Preferably, the direct light module further includes a first reflecting bowl 631 corresponding to the first direct light source 610 and a second reflecting bowl 632 corresponding to the second direct light source 620. The first reflecting bowl 631 and the second reflecting bowl 632 can be hemispherical reflecting bowls with light outlets at the tops, wherein the first direct light source 610 and the second direct light source 620 are respectively positioned at the centers of the corresponding hemispherical reflecting bowls. Taking the first direct-injection light source 610 as an example, an LED light source or a laser light source is adopted, a part of light emitted by the LED light source or the laser light source is directly emitted from a light outlet and then projected onto the first lens 223 to be collimated and then emitted, another part of light is reflected by the first reflecting bowl 631 to the fluorescent powder sheet returned to the first direct-injection light source 610 to be excited again and then emitted, a part of light is emitted from the light outlet, and another part of light is reflected by the first lens 223 to be returned to the fluorescent powder sheet to be excited again, so that the brightness of the light source can be further increased by circulation.

As shown in fig. 3, the fixing bracket 10 includes a horizontal mounting surface 110 and a vertical mounting surface 120 that are perpendicular to each other and are integrally formed, the low beam module 40 and the heat dissipation unit 50 are disposed on the horizontal mounting surface 110, the lens assembly 20, the high beam-low beam switching mechanism 30 and the direct beam module are disposed on the vertical mounting surface 120, a through hole is disposed in the middle of the vertical mounting surface 120, and a beam emitted from the low beam module 40 passes through the through hole and then is projected onto a first partition 221 of the lens unit 220. Specifically, the fixing bracket 10 is made of a heat-conducting material by integrally molding, wherein the vertical mounting surface 120 is located at one end of the horizontal mounting surface 110, the heat dissipating unit 50 is located at one end of the horizontal mounting surface 110 far away from the vertical mounting surface 120, the low beam module 40 is located between the vertical mounting surface 120 and the heat dissipating unit 50 and is located next to the heat dissipating unit 50, and heat generated by the low beam module 40 is directly conducted to the heat dissipating unit 50 through the horizontal mounting surface 110 for dissipating heat. The light outlet of the low beam module 40 is close to the vertical mounting surface 120, and the light beam emitted by the low beam module passes through the through hole of the vertical mounting surface 120 and then is projected onto the second partition 222 of the lens unit 220.

Preferably, the high-low beam switching mechanism 30 corresponds to the light outlet of the low beam module 40, and includes a solenoid valve 310 and a light barrier 320 mounted on the fixed bracket 10, wherein the upper edge of the light barrier 320 is located at the focal point of the second partition 222, and forms a cut-off line after being imaged by the second partition 222. Specifically, the second partition 222 is a part of a larger lens that is missing, and the first partition 221 is located at the missing portion of the second partition 222.

Preferably, the direct injection module is mounted on the fixing bracket 10 through an adapter 70, the adapter 70 is made of a heat conducting material, such as an aluminum material, a heat conducting copper pipe 80 is connected between the adapter 70 and the heat dissipation unit 50, and the adapter 70 is used for rapidly guiding heat generated by the direct injection module out to the heat dissipation unit 50 for heat dissipation, so that heat dissipation efficiency is improved. In this embodiment, a groove 121 adapted to the heat conduction copper tube 80 is provided at a position of the vertical mounting surface 120 corresponding to the adapter 70, and one end of the heat conduction copper tube 80 corresponding to the direct injection module is limited in the groove 121 and is disposed in close contact with the adapter 70. The heat generated by the first and second direct light sources 610, 620 is conducted to the adapter 70 and then from the adapter 70 to the copper heat pipe 80 and the vertical mounting surface 120. In this embodiment, the heat conducting copper tube 80 is approximately C-shaped, wherein the opening portion of the C-shaped structure is clamped on the heat dissipating unit 50, one side of the heat conducting copper tube 80 corresponding to the adapter 70 is in a shape with the middle horizontal two ends bent downwards, and the horizontal portion corresponds to the groove 121, so that the groove 121 is also a horizontal groove, the portion of the heat conducting copper tube 80 corresponding to the horizontal mounting surface 110 is generally in a horizontal structure, and is attached along the upper edge of the horizontal mounting surface 110, so that heat generated by the direct radiating module can be more quickly guided to the heat dissipating unit 50 by arranging the heat conducting copper tube 80, heat dissipating efficiency is improved, and the influence on the use and the life reduction of the direct radiating module due to overhigh temperature are avoided.

Preferably, the low beam module 40 includes a low beam light source 410 and a low beam reflector cup 420 corresponding to the low beam light source 410, and an end of the low beam reflector cup 420 remote from the lens assembly 20 is inclined downward. In this embodiment, the end of the low beam reflector 420 away from the lens assembly 20 is inclined downward, i.e. the side of the low beam reflector 420 away from the lens assembly 20 is lower than the side of the low beam reflector 420 close to the lens assembly 20 (i.e. the side of the low beam reflector 420 with the opening), so that more light reflected by the low beam reflector 420 can be projected onto the second partition 222 to exit, thereby improving the illumination brightness of the low beam.

Preferably, the heat dissipating unit 50 includes a fin heat sink 510 and a fan 520, the heat conducting copper tube 80 is connected to the fin heat sink 510, and the fin heat sink 510 and the fan 520 cooperate with each other to rapidly dissipate heat, in this embodiment, a rear cover for fixing the fan 520 is further disposed behind the fan 520.

Example 2

As shown in fig. 4 to 5, unlike embodiment 1, in this embodiment, two first direct light sources 610 are provided and are disposed on both sides of the second direct light source 620, two first lenses 223 are also disposed and are disposed on both sides of the second lens 224, the areas of the light emitting surfaces of the first direct light source 610 and the second direct light source 620 are different, and the divergence angle and the irradiation range of the light beams emitted from the first lenses 223 and the second lenses 224 are different. Preferably, the first direct light source 610 and the second direct light source 620 do not operate simultaneously. Specifically, the areas of the light emitting surfaces of the first direct light source 610 and the second direct light source 620 are different, the area of the light emitting surface of the first direct light source 610 may be larger or smaller than the area of the light emitting surface of the second direct light source 620, taking the area of the light emitting surface of the first direct light source 610 is smaller than the area of the light emitting surface of the second direct light source 620 as an example, the corresponding volume of the first lens 223 is also smaller than the volume of the second lens 224, i.e. the focal length of the first lens 223 is smaller than the focal length of the second lens 224, at this time, in order to facilitate installation, the first direct light source 610 and the second direct light source 620 may be disposed on the same mounting surface, and meanwhile, the second lens 224 may be moved backward (i.e. away from the direction of the second direct light source 620) by a certain distance to meet the light path requirement, the first direct light source 610 and the second direct light source 620 may also employ LED light sources, and the second direct light source 620 may include at least one or more rectangular light emitting surfaces LED light sources, for example, and the rectangular light sources may be disposed, for example, the rectangular light sources may be arranged side by side, and the light emitting surface of the light source may be illuminated in a wide range, and the light emitting area of the light source may be illuminated in a wide range; the LED light source with the round light emitting surface has small light emitting area, small light beam divergence angle, high central brightness and longer irradiation distance, and can meet the long-distance high beam irradiation requirement. When a large range of high beam illumination is required, the second direct light source 620 is turned on, and the first direct light source 610 is turned off; when high beam illumination at a long distance is required, the second direct light source 620 is turned off and the first direct light source 610 is turned on.

Example 3

As shown in fig. 6, unlike the embodiment 1-2, in this embodiment, two first direct light sources 610 are separately disposed on two sides of the second direct light source 620, and the first direct light sources 610 use one or more rectangular light emitting surface LED light sources, which emit light beams with a larger divergence angle and a wide irradiation range, so as to meet the requirement of large-scale high beam irradiation; the second direct light source 620 adopts a laser light source or an LED light source with a circular light emitting surface, and has the advantages of small beam divergence angle, high central brightness, and longer irradiation distance, so as to meet the requirement of long-distance high beam irradiation. When a large range of high beam illumination is required, the first direct light source 610 is turned on and the second direct light source 620 is turned off; when high beam illumination at a long distance is required, the first direct light source 610 is turned off and the second direct light source 620 is turned on.

Although embodiments of the present utility model have been described in the specification, these embodiments are presented only, and should not limit the scope of the present utility model. Various omissions, substitutions and changes in the form of examples are intended in the scope of the utility model.

Claims

1. The utility model provides a two optical lens car lights, its characterized in that includes the fixed bolster, from the front to back locate lens subassembly, far and near light switching mechanism, low beam module and the radiating element on the fixed bolster in proper order, and be located the direct injection module of light outlet one side top of low beam module, the lens subassembly including install in lens support and the lens unit on the fixed bolster, the lens unit includes first subregion and second subregion, the light that the direct injection module was emergent is projected to the first subregion back is emergent to form the direct injection light beam, the light that the low beam module was emergent is projected to the second subregion back is emergent to form the low beam, the direct injection module includes first direct injection light source and second direct injection light source, first subregion include with first lens that the first direct injection light source corresponds and with the second lens that the second direct injection light source corresponds.

2. The dual-lens vehicle lamp of claim 1, further comprising a first reflector corresponding to the first direct light source and a second reflector corresponding to the second direct light source.

3. The dual-lens vehicle lamp of claim 1, wherein the light emitting surface areas of the first direct light source and the second direct light source are the same or different.

4. The double-light-lens car lamp according to claim 1, wherein the number of the first direct light sources is two, the first direct light sources are respectively arranged on two sides of the second direct light source, the number of the first lenses are respectively arranged on two sides of the second lenses, the areas of the light emitting surfaces of the first direct light source and the second direct light source are different, and the divergence angles and the irradiation ranges of the emergent light beams of the first lenses and the second lenses are different.

5. The dual light lens vehicle lamp of claim 4, wherein the first direct light source and the second direct light source do not operate simultaneously.

6. The dual-lens car lamp as claimed in claim 1, wherein the fixing bracket is provided with a vertical installation surface and a horizontal installation surface which are perpendicular to each other and are integrally formed, the low beam module and the heat dissipation unit are fixed on the horizontal installation surface, the lens assembly, the direct beam module and the high beam/low beam switching mechanism are fixed on the vertical installation surface, a through hole is formed in the middle of the vertical installation surface, and the light beam emitted by the low beam module passes through the through hole and then is projected to the first partition of the lens unit.

7. The bi-optic lens vehicle lamp of claim 1, wherein the direct projection module is mounted to the stationary bracket via an adapter member, the adapter member being formed of a thermally conductive material.

8. The dual-lens vehicle lamp of claim 7, wherein a heat conducting copper tube is connected between the adapter and the heat dissipating unit.

9. The dual-lens car lamp as claimed in claim 1, wherein the high-low beam switching mechanism corresponds to the light outlet of the low beam module, and comprises a solenoid valve and a light barrier which are mounted on a fixed bracket, wherein the upper edge of the light barrier is positioned at the focus of the first lens, and a cut-off line is formed after the imaging of the first lens.

10. The dual beam lens vehicle lamp of claim 1, wherein the low beam module comprises a low beam light source and a low beam reflector cup corresponding to the low beam light source, the low beam reflector cup being inclined downwardly away from an end of the lens assembly.