CN211853872U - Laser double-light lens - Google Patents
Laser double-light lens Download PDFInfo
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- CN211853872U CN211853872U CN202020739140.1U CN202020739140U CN211853872U CN 211853872 U CN211853872 U CN 211853872U CN 202020739140 U CN202020739140 U CN 202020739140U CN 211853872 U CN211853872 U CN 211853872U
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Abstract
The utility model discloses a two optical lens of laser, which comprises a bracket, locate first light source module and the second light source module of both sides about the support, the heat dissipation module and locate light screen and the lens at first light source module and second light source module rear along the light path in proper order, first light source module includes first LED light source and the first anti-light cup that corresponds with first LED light source, the second light source module includes the second LED light source, the anti-light cup of second that corresponds with the second LED light source and the light path turn piece that corresponds with the light outlet of the anti-light cup of second, the top height of light path turn face in the light path turn piece highly corresponds with the light emitting area of first LED light source, the light that the second LED light source sent throws on the light path turn piece after the collection of the anti-light cup of second, throw on the lens by light path turn piece. The utility model discloses dwindle the interval between the light emitting area of first LED light source and second LED light source, reduced the volume of system, improved entire system's light efficiency and light energy utilization.
Description
Technical Field
The utility model relates to the technical field of lighting technology, concretely relates to two optical lens of laser.
Background
The existing LED high-low beam integrated automobile headlamp structure is shown in fig. 1 and comprises a low-beam LED light source module 1, a high-beam LED light source module 2 and a lens 4. The dipped beam LED light source module 1 and the high beam LED light source module 2 are arranged on the upper side and the lower side of the same heat dissipation substrate, and the dipped beam LED light source module 1 and the high beam LED light source module 2 are basically overlapped or very close to each other at the positions on the two sides of the heat dissipation substrate, so that the heat dissipation surfaces of the two LED light sources are parallel to each other and are attached to the same heat dissipation substrate, and the heat dissipation substrates of the two LEDs are overlapped to seriously influence the heat dissipation effect of the system. In addition, in order to improve the light collection efficiency, the distance between the far and near light LED light source modules in the vertical direction cannot be too large, so that the thickness of a heat dissipation substrate between the far and near light LED light source modules is limited, the heat dissipation effect of the headlamp is also influenced, the temperature of the automobile lamp is increased finally, and the service life of the automobile lamp is shortened. In addition, because the LED light source has a certain thickness (usually 1-2mm) and a space is left between the LED light source and the heat dissipation substrate, a large distance (usually 5-7mm) must exist between the light emitting surfaces of the two light source modules, resulting in a large system size. In addition, because the distance between the light emitting surfaces of the two light source modules is large, no light rays or less light rays exist in the middle area of the lens 4, the brightness of the formed illumination light spots is uneven, and the light energy utilization rate and the illumination effect are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that exists among the prior art, provide a two optical lens of laser that effectively reduces system's volume and improve system light efficiency and light energy utilization.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a two optical lens of laser, includes the support, locates the first light source module and the second light source module of both sides about the support, heat dissipation module and locate in proper order along the light path the light screen and the lens at first light source module and second light source module rear, first light source module include first LED light source and with the first anti-light cup that first LED light source corresponds, second light source module include the second LED light source, with the second anti-light cup that the second LED light source corresponds and with the light path turn piece that the light outlet of the anti-light cup of second corresponds, the top height of light path turn face in the light path turn piece with the high correspondence of the light emitting area of first LED light source, the light that the second LED light source sent is through the anti-light cup of second is collected on the light path turn piece is thrown, by on the lens is thrown behind the light path turn piece.
Furthermore, an included angle between the light emitting surface of the second LED light source and the optical axis of the lens is 45-90 degrees.
Further, the light path turning piece is a plane reflector, and the plane reflector is a flat glass with an aluminum plated surface or a silver plated surface.
Furthermore, an included angle between the reflecting surface of the plane reflecting mirror and the optical axis of the lens is 90-135 degrees.
Further, the support is made of a metal material.
Furthermore, the heat dissipation module comprises a first heat dissipation substrate corresponding to the first light source module, a second heat dissipation substrate heat dissipation module corresponding to the second light source module, and a heat sink communicated with the first heat dissipation substrate and the second heat dissipation substrate, and the first heat dissipation substrate and the second heat dissipation substrate are mounted on the support.
Further, the light path turning piece and the second reflective cup are integrally formed.
Furthermore, the first light source module further comprises a first laser light source, a first light through hole matched with a laser beam emitted by the first laser light source is formed in the first reflection cup, and the laser beam penetrates through the first light through hole and then is projected onto the first fluorescent powder sheet of the first LED light source.
Furthermore, the second light source module further comprises a second laser light source, a second light through hole matched with the laser beam emitted by the second laser light source is formed in the second reflection cup, and the laser beam penetrates through the second light through hole and then is projected onto a second fluorescent powder sheet of the second LED light source.
The utility model provides a laser double-light lens, which comprises a bracket, a first light source module, a second light source module, a heat dissipation module, a light screen and a lens, wherein the first light source module and the second light source module are arranged at the upper side and the lower side of the bracket, the light screen and the lens are arranged behind the first light source module and the second light source module along a light path in sequence, the first light source module comprises a first LED light source and a first reflecting cup corresponding to the first LED light source, the second light source module comprises a second LED light source, a second reflecting cup corresponding to the second LED light source and a light path turning piece corresponding to a light outlet of the second reflecting cup, the top height of the light path turning surface in the light path turning piece corresponds to the height of the light emitting surface of the first LED light source, and light rays emitted by the second LED light source are collected by the second reflecting cup and then are projected onto the light path turning piece, and are projected onto the lens after being turned by the light path turning piece. The light rays emitted by the second LED light source are collected by the second reflection cup and then are projected onto the light path turning piece, and then are emitted to form a far light beam after the direction of the light path turning piece is converted, and the top height of the light path turning surface in the light path turning piece corresponds to the height of the light emitting surface of the first LED light source or the light emitting surfaces of the first LED light source and the first LED light source are level, and the reflecting surface of the light path turning piece can be regarded as an equivalent light emitting surface of the second LED light source, so that the distance between the light emitting surface of the first LED light source and the light emitting surface of the second LED light source is reduced, on the other hand, the distance between the light emitting surface of the first LED light source and the light emitting surface of the second LED light source is smaller or even 0 distance, so that the condition that no light rays exist in the middle area of the.
Drawings
FIG. 1 is a schematic structural diagram of an LED high-low beam integrated automobile headlamp in the prior art;
fig. 2 is a three-dimensional structure diagram of an embodiment of the laser dual-optical lens of the present invention;
FIGS. 3-4 are cross-sectional views corresponding to FIG. 2;
FIG. 5 is a schematic view of the corresponding optical configuration of FIG. 2;
fig. 6 is a schematic diagram of an optical structure of another embodiment of the laser dual-optical lens of the present invention;
fig. 7 is a schematic packaging diagram of a second embodiment of the LED light source of the present invention.
Shown in FIG. 1: 1. a dipped beam LED light source module; 2. a high beam LED light source module; 4. a lens;
shown in FIGS. 2-5: 10. a support; 20. a first light source module; 210. a first LED light source; 220. a first reflective cup; 221. a first light passing hole; 230. a first laser light source; 30. a second light source module; 310. a second LED light source; 311. a second LED chip; 312. a second phosphor patch; 320. a second reflective cup; 321. a second light passing hole; 330. a light path turning member; 340. a second laser light source; 410. a first heat dissipation substrate; 420. a second heat dissipation substrate; 430. a heat sink; 50. a visor; 60. a lens; 70. a white diffuse reflective layer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 2-4, the present invention provides a laser dual-optical lens, which comprises a support 10, a first light source module 20 and a second light source module 30 disposed on the upper and lower sides of the support 10, a heat dissipation module, and a light shielding plate 50 and a lens 60 sequentially disposed behind the first light source module 20 and the second light source module 30 along a light path, wherein the first light source module 20 comprises a first LED light source 210 and a first reflector 220 corresponding to the first LED light source 210, the second light source module 30 comprises a second LED light source 310, a second reflector 320 corresponding to the second LED light source 310, and a light path turning member 330 corresponding to a light outlet of the second reflector 320, the top height of the light path turning surface in the light path turning member 330 corresponds to the height of the light emitting surface of the first LED light source 210, light emitted from the second LED light source 310 is collected by the second reflector 320 and then projected onto the light path turning member 330, is deflected (i.e., changes the direction of light) by the light path deflecting member 330 and then is projected onto the lens 60. Specifically, the light emitted from the second LED light source 310 is collected by the second reflective cup and then projected onto the light path turning member 330, and is emitted to form a far-reaching light beam after being converted by the light path turning member 330, and the height of the top of the light path turning surface in the light path turning member 330 corresponds to the height of the light emitting surface of the first LED light source 210 or both of them are substantially equal, where the vertical direction is the direction perpendicular to the optical axis of the whole lighting system (i.e. the optical axis of the lens 60 in this document), i.e. the top of the light path turning surface is close to the horizontal line corresponding to the light emitting surface (usually horizontal plane) of the first LED light source 210, and the reflecting surface of the light path turning member 330 can be regarded as the equivalent light emitting surface of the second LED light source 310, which is equivalent to the reduction of the distance between the light emitting surface of the first LED light source 210 and the light emitting surface of the second LED light source 310, on the other hand, because the distance between the light emitting surface, therefore, the condition that no light rays exist in the middle area of the lens 60 or the light rays are few does not occur, and the light efficiency and the light energy utilization rate of the whole system are effectively improved.
Preferably, an included angle between a light emitting surface of the second LED light source 310 and an optical axis of the lens 60 is 45 to 90 degrees. Specifically, the optical axis of the lens 60 is also the optical axis of the whole dual-optical lens, as shown in fig. 2, an included angle between the light emitting surface of the second LED light source 310 and the optical axis of the lens 60 is 90 degrees, at this time, the light emitting surface of the second LED light source 310 and the light emitting surface of the first LED light source 210 are perpendicular to each other, at this time, an included angle between the light path turning surface of the light path turning member 330 and the optical axis of the lens 60 is 45 degrees, that is, the light path turning member 330 turns the emergent light of the second light source module 30 by 90 degrees.
Preferably, the optical path turning member 330 is a plane mirror. The plane reflector is flat glass with aluminum plated or silver plated surfaces. Preferably, an included angle between the reflecting surface of the plane reflecting mirror and the optical axis of the lens is 90-135 degrees. In this embodiment, the reflectivity of the plane mirror is greater than 90%, the flat glass with aluminum plated or silver plated surface can be adopted, and the flat mirror can also be made of plated PC or other plastic materials, so that the cost is low and the weight is lighter. Preferably, the light path turning member 330 and the second reflective cup 320 are integrally formed, the planar reflector therein is made of plate glass, and the two are formed into a whole by one-step injection molding and electroplating, so that the relative position between the light path turning member 330 and the second reflective cup 320 can be ensured to be more accurate, and relative movement cannot occur, thereby ensuring the illumination effect.
As shown in fig. 5, an included angle between the light emitting surface of the second LED light source 310 and the optical axis of the lens 60 is 90 degrees, at this time, the light emitting surface of the second LED light source 310 and the light emitting surface of the first LED light source 210 are perpendicular to each other, and at this time, an included angle between the reflecting surface of the light path turning member 330 and the optical axis of the lens 60 is 45 degrees, that is, the light path turning member 330 turns the outgoing light of the second light source module 30 by 90 degrees. As shown in fig. 6, an included angle between the light emitting surface of the second LED light source 310 and the optical axis of the lens 60 is 60 degrees, at this time, an included angle between the light emitting surface of the second LED light source 310 and the light emitting surface of the first LED light source 210 is 60 degrees, and at this time, an included angle between the reflecting surface of the light path turning member 330 and the optical axis of the lens 60 is 120 degrees, that is, the light path turning member 330 turns the emergent light of the second light source module 30 by 120 degrees. Of course, the light path turning member 330 may have another angle with the optical axis, as long as the light emitted from the second LED light source 310 can be turned and then projected onto the lens 60.
Preferably, the support 10 is made of a metal material, and in this embodiment, the support 10 is made of a metal material with high thermal conductivity, such as metal copper, so that the heat conduction effect is good.
Preferably, the heat dissipation module includes a first heat dissipation substrate 410 corresponding to the first LED light source 210, a second heat dissipation substrate 420 corresponding to the second LED light source 310, and a heat sink 430 communicated with the first heat dissipation substrate 410, wherein the first heat dissipation substrate 410 and the second heat dissipation substrate 420 are mounted on the bracket 10. Specifically, as shown in fig. 2, the first heat dissipation substrate 410 is located below the first LED light source 210, the second heat dissipation substrate 420 is located at one side of the second LED light source 310, the first heat dissipation substrate 410 and the second heat dissipation substrate 420 are both mounted on the support 10, and the support 10 is made of a high thermal conductivity metal, so that heat generated by the first LED light source 210 and the second LED light source 310 can be quickly conducted out, meanwhile, the first heat dissipation substrate 410 is communicated with the heat sink 430, and the heat sink 430 can be a heat dissipation fan, and continuously blows cold air to quickly dissipate heat of the first LED light source 210 and the second LED light source 310. Since the first heat dissipation substrate 410 and the second heat dissipation substrate 420 are independent and spaced far apart from each other, the heat dissipation speed is fast, the efficiency is high, and the heat dissipation effect is good.
Preferably, a white diffuse reflection layer 70 may be wrapped around the first LED light source 210 and the second LED light source 310. Specifically, taking the second LED light source 310 as an example, as shown in fig. 7, the second LED light source 310 includes a second LED chip 311 and a second phosphor sheet 312, the white diffuse reflection layer 70 may be white wall glue formed by mixing silica gel and white oxide particles, and surrounds the second phosphor sheet 312, so as to reflect the light emitted from the side surface of the second phosphor sheet 312 back to the second phosphor sheet 312, thereby improving the probability of light emitting from the front surface of the second phosphor sheet 312, and improving the brightness of the light emitting surfaces of the first LED light source 210 and the second LED light source 310.
As shown in fig. 3-4, the first light source module 20 further includes a first laser light source 230, a first light passing hole 221 adapted to a laser beam emitted by the first laser light source 230 is disposed on the first reflective cup 220, and the laser beam passes through the first light passing hole 221 and is then projected onto the first phosphor plate of the first LED light source 210. The brightness of the near light spot can be greatly improved by adding the first laser light source 230 to realize the double-sided excitation of the first phosphor patch.
The second light source module 30 further includes a second laser light source 340, a second light passing hole 321 adapted to the laser beam emitted by the second laser light source 340 is disposed on the second reflective cup 320, and the laser beam passes through the second light passing hole 321 and then is projected onto the second phosphor sheet 312 of the second LED light source 310. The second laser source 340 is added to realize the double-sided excitation of the second phosphor powder sheet 312, so that the brightness of the high beam spot can be greatly improved. In this embodiment, the laser beam may be incident perpendicularly to the surface of the second phosphor patch 312 or may be incident obliquely. Because the light path turning piece 330 is arranged to turn the light path of the second light source module 30, the space reserved for the second laser light source 340 is larger, the heat dissipation of the second laser light source 340 is more facilitated, the vertical incidence of the laser emitted by the second laser light source 340 on the surface of the second LED light source 310 can be realized, the uniformity is better, the incidence direction of the laser beam is vertical to the surface of the second fluorescent powder sheet 312, the size of a light spot can be reduced, the situation that light is projected to the outer side of the second fluorescent powder sheet 312 to leak and generate potential safety hazards is avoided, and meanwhile, the brightness of high beam is improved.
The utility model also provides a method for using above-mentioned two optical lens of laser, when needing the low beam, open the low beam button, light screen 50 does not overturn, first LED light source 210 and second LED light source 310 are all lighted, and light screen 50 shelters from the partial light (mainly the light of first half) of second LED light source 310, and the light that first light source module outgoing and the light that is not sheltered from of second light source module outgoing form the low beam illumination facula behind lens 60; when the distance light is needed, the distance light button is turned on, the light shielding plate 50 is turned downwards, the first LED light source 210 and the second LED light source 310 are both lightened, the light shielding plate 50 does not shield the light of the second LED light source, and the light emitted by the first light source module and the light emitted by the second light source module form a distance light illuminating spot after passing through the lens 60.
To sum up, the present invention provides a laser dual-optical lens, which comprises a bracket 10, a first light source module 20 and a second light source module 30 disposed on the upper and lower sides of the bracket 10, a heat dissipation module, and a light shielding plate 50 and a lens 60 disposed behind the first light source module 20 and the second light source module 30 along a light path in sequence, wherein the first light source module 20 comprises a first LED light source 210 and a first reflective cup 220 corresponding to the first LED light source 210, the second light source module 30 comprises a second LED light source 310, a second reflective cup 320 corresponding to the second LED light source 310, and a turning light path piece 330 corresponding to a light outlet of the second reflective cup 320, the top height of the light path turning surface in the light path turning piece 330 corresponds to the height of the light emitting surface of the first LED light source 210, light emitted from the second LED light source 310 is collected by the second reflective cup 320 and then projected onto the light path turning piece 330, is deflected (i.e., changes the direction of light) by the light path deflecting member 330 and then is projected onto the lens 60. Light rays emitted by the second LED light source 310 are collected by the second reflective cup 320 and then projected onto the light path turning member 330, and are emitted to form a far-beam light after being converted by the light path turning member 330, and the top height of the light path turning surface in the light path turning member 330 corresponds to the height of the light emitting surface of the first LED light source 210 or is equal to the height of the light emitting surface of the first LED light source 210, and the reflecting surface of the light path turning member 330 can be regarded as an equivalent light emitting surface of the second LED light source 310, which is equivalent to reducing the distance between the light emitting surface of the first LED light source 210 and the light emitting surface of the second LED light source 310, on the other hand, because the distance between the light emitting surface of the first LED light source 210 and the light emitting surface of the second LED light source 310 is smaller or even 0 distance, the condition that no light rays exist in the middle area of the lens 60 or few light rays.
Although the embodiments of the present invention have been described in the specification, these embodiments are only for the purpose of presentation and should not be construed as limiting the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A laser double-light lens is characterized by comprising a bracket, a first light source module, a second light source module, a heat dissipation module, a light screen and a lens, wherein the first light source module and the second light source module are arranged on the upper side and the lower side of the bracket, the light screen and the lens are sequentially arranged behind the first light source module and the second light source module along a light path, the first light source module comprises a first LED light source and a first reflecting cup corresponding to the first LED light source, the second light source module comprises a second LED light source, a second reflecting cup corresponding to the second LED light source and a light path turning piece corresponding to a light outlet of the second reflecting cup, the top height of the light path turning surface in the light path turning piece corresponds to the height of the light emitting surface of the first LED light source, and light rays emitted by the second LED light source are collected by the second reflecting cup and then are projected onto the light path turning piece, and are projected onto the lens after being turned by the light path turning piece.
2. A laser bifocal lens according to claim 1, wherein the included angle between the light emitting surface of the second LED light source and the optical axis of the lens is 45-90 degrees.
3. A laser bifocal lens according to claim 1, wherein the optical path-deflecting element is a planar mirror, and the planar mirror is a flat glass with an aluminum or silver plated surface.
4. A laser dual-optical lens as claimed in claim 3, wherein the angle between the reflecting surface of the plane reflector and the optical axis of the lens is 90-135 degrees.
5. A laser bifocal lens according to claim 1, wherein the support is made of a metal material.
6. A laser bifocal lens according to claim 1, wherein the heat sink module includes a first heat sink base plate corresponding to the first light source module, a second heat sink base plate corresponding to the second light source module, and a heat sink in communication with the first and second heat sink base plates, the first and second heat sink base plates being mounted on the support.
7. A laser dual-optical lens as claimed in claim 1, wherein the optical path turning member is integrally formed with the second reflecting cup.
8. A laser dual optical lens as claimed in claim 1, wherein the first light source module further includes a first laser light source, the first light reflecting cup is provided with a first light passing hole adapted to a laser beam emitted from the first laser light source, and the laser beam passes through the first light passing hole and is projected onto the first phosphor plate of the first LED light source.
9. A laser dual-optical lens as claimed in claim 1, wherein the second light source module further includes a second laser light source, the second light-reflecting cup is provided with a second light-passing hole adapted to a laser beam emitted from the second laser light source, and the laser beam passes through the second light-passing hole and is projected onto a second phosphor plate of the second LED light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739140.1U CN211853872U (en) | 2020-05-08 | 2020-05-08 | Laser double-light lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739140.1U CN211853872U (en) | 2020-05-08 | 2020-05-08 | Laser double-light lens |
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| CN211853872U true CN211853872U (en) | 2020-11-03 |
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| CN202020739140.1U Active CN211853872U (en) | 2020-05-08 | 2020-05-08 | Laser double-light lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412428A (en) * | 2020-05-08 | 2020-07-14 | 苏州晶清光电科技有限公司 | Laser double-light lens and using method |
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2020
- 2020-05-08 CN CN202020739140.1U patent/CN211853872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412428A (en) * | 2020-05-08 | 2020-07-14 | 苏州晶清光电科技有限公司 | Laser double-light lens and using method |
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