CN212691660U - Far and near light integrated laser lighting lamp - Google Patents
Far and near light integrated laser lighting lamp Download PDFInfo
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- CN212691660U CN212691660U CN202021573149.6U CN202021573149U CN212691660U CN 212691660 U CN212691660 U CN 212691660U CN 202021573149 U CN202021573149 U CN 202021573149U CN 212691660 U CN212691660 U CN 212691660U
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Abstract
The utility model provides an integrative laser lighting lamp of far and near light, which comprises a mounting bracket, locate the passing beam module and the distance light module of both sides about the installing support, locate light screen and lens in passing beam module and distance light module the place ahead and be located the heat dissipation mechanism at passing beam module and distance light module rear along the light path in proper order, the passing beam module includes passing beam LED light source group, the passing beam anti-light cup that corresponds with passing beam LED light source group, the distance light module includes wavelength conversion unit, excitation light source and distance light anti-light cup, passing beam LED light source group is fixed in on the first heat dissipation base plate, laminate second heat dissipation base plate and first heat dissipation base plate, and first heat dissipation base plate and heat dissipation mechanism intercommunication, derive the heat that passing beam LED group and wavelength conversion unit produced through first heat dissipation base plate, and the heat dissipation efficiency is improved. The distance between the light source faces of the near light module and the far light module is reduced, the condition that no light rays or few light rays exist in the middle area of the lens is improved, and the light efficiency and the light energy utilization rate of the whole system are effectively improved.
Description
Technical Field
The utility model relates to a semiconductor lighting technology field, concretely relates to integrative laser lighting lamp of far and near light.
Background
With the development of semiconductor technology, LED (Light Emitting Diode) Light sources have the advantages of high efficiency, energy saving, environmental protection, low cost, long service life, etc., and are gradually replacing traditional incandescent lamps and energy saving lamps, becoming a general illumination Light source, and particularly being widely applied to high-beam and low-beam integrated automobile headlamps.
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 support and respectively radiate heat through the corresponding radiating substrates, and because the LED light source has certain thickness (usually 1-2mm), and the middle part also needs to leave space for the mounting support and the radiating substrates, therefore, a larger distance (usually 5-7mm) must exist between the light emitting surfaces of the two light source modules, the system is large in size, and because the thickness of the radiating substrates is as small as possible, the radiating efficiency is low. 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 an effective reduce system volume, improve the radiating efficiency and improve system light efficiency and light energy utilization's integrative laser lighting lamp of far and near light.
In order to solve the technical problem, the technical scheme of the utility model is that: a high beam and low beam integrated laser lighting lamp comprises a mounting bracket, a low beam module and a high beam module which are arranged at the upper side and the lower side of the mounting bracket, a light screen and a lens which are sequentially arranged in front of the low beam module and the high beam module along a light path, and a heat dissipation mechanism which is positioned at the rear of the low beam module and the high beam module, the near-beam module comprises a near-beam LED light source group and a near-beam light reflecting cup corresponding to the near-beam LED light source group, the high beam module comprises a wavelength conversion unit, an excitation light source for generating excitation light projected on the wavelength conversion unit and a high beam reflection cup corresponding to the wavelength conversion unit, the dipped beam LED light source group is fixed on the first heat dissipation substrate, the wavelength conversion unit is fixed on the second heat dissipation substrate, the first heat dissipation substrate is attached to the second heat dissipation substrate, and the first heat dissipation substrate is communicated with the heat dissipation mechanism.
Furthermore, one side of the first heat dissipation substrate corresponding to one side of the second heat dissipation substrate is provided with a groove, and the second heat dissipation substrate is arranged in the groove.
Further, the excitation light source is an LED light source, and an LED light beam emitted by the LED light source is projected onto the wavelength conversion unit.
Further, the excitation light source includes a first laser light source, and a laser beam emitted by the first laser light source is projected onto the wavelength conversion unit.
Further, the excitation light source comprises an LED light source and a first laser source, and an LED light beam emitted by the LED light source and a laser beam emitted by the first laser source are respectively projected onto the same surface or two opposite surfaces of the wavelength conversion unit.
Furthermore, a light through hole corresponding to the laser beam is formed in the high beam reflecting cup, and the laser beam emitted by the first laser source penetrates through the light through hole and is projected onto the wavelength conversion unit.
Furthermore, the first heat dissipation substrate and the second heat dissipation substrate are made of copper materials, and the support is made of aluminum materials.
Furthermore, the dipped beam LED light source group comprises an LED chip and a fluorescent powder sheet which are closely arranged.
Further, the low beam module further comprises a second laser source, and a laser beam emitted by the second laser source is projected onto the fluorescent powder sheet.
Furthermore, a light through hole corresponding to the laser beam is formed in the near light reflecting cup, and the laser beam emitted by the second laser source penetrates through the light through hole and then is projected onto the fluorescent powder sheet.
The utility model provides a high beam and low beam integrated laser lighting lamp, which comprises a mounting bracket, a dipped beam module and a high beam module which are arranged at the upper side and the lower side of the mounting bracket, a light screen and a lens which are arranged in front of the dipped beam module and the high beam module in sequence along a light path, and a heat dissipation mechanism which is arranged at the rear of the dipped beam module and the high beam module, the near-beam module comprises a near-beam LED light source group and a near-beam light reflecting cup corresponding to the near-beam LED light source group, the high beam module comprises a wavelength conversion unit, an excitation light source for generating excitation light projected on the wavelength conversion unit and a high beam reflection cup corresponding to the wavelength conversion unit, the dipped beam LED light source group is fixed on the first heat dissipation substrate, the wavelength conversion unit is fixed on the second heat dissipation substrate, the first heat dissipation substrate is attached to the second heat dissipation substrate, and the first heat dissipation substrate is communicated with the heat dissipation mechanism. The light path turning unit with the incident surface, the total internal reflection surface and the emergent surface deflects the laser beam, so that the size of the lighting module can be greatly reduced, and the lighting module is simple and convenient to mount, high in precision and good in stability. The second heat dissipation substrate is attached to the first heat dissipation substrate, the first heat dissipation substrate is communicated with the heat dissipation mechanism, and therefore heat generated on the dipped beam LED light source group and the wavelength conversion unit is LED out through the first heat dissipation substrate, the thickness of the first heat dissipation substrate can be increased, and heat dissipation efficiency is improved. In addition, because no mounting bracket is arranged between the two radiating substrates, the distance between the light source surfaces of the near light module and the far light module is reduced, the condition that no light rays exist in the middle area of the lens or the light rays are few is improved, and the light efficiency and the light energy utilization rate of the whole system are effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a conventional LED high-low beam integrated automobile headlamp;
fig. 2 is a schematic structural view of an embodiment of the present invention, showing a distance and near light integrated laser lighting lamp;
fig. 3 is a schematic structural diagram of an embodiment of the first heat dissipation substrate and the second heat dissipation substrate of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the low beam module 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 fig. 2-4: 10. mounting a bracket; 20. a short-distance light module; 210. a dipped beam LED light source group; 211. an LED chip; 212. a phosphor sheet; 220. a near-light reflecting cup; 230. a first heat dissipation substrate; 240. a second laser source; 30. a high beam module; 310. a wavelength conversion unit; 320. a high beam reflector cup; 330. a second heat dissipation substrate; 341. an LED light source; 342. a first laser source; 40. a lens; 50. a heat dissipation mechanism.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 2-3, the present invention provides a high beam and low beam integrated laser lighting lamp, which comprises a mounting bracket 10, a low beam module 20 and a high beam module 30 disposed at the upper and lower sides of the mounting bracket 10, a light shielding plate and a lens 40 sequentially disposed in front of the low beam module 20 and the high beam module 30 along a light path, and a heat dissipation mechanism 50 disposed behind the low beam module 20 and the high beam module 30, wherein the low beam module 20 comprises a low beam LED light source set 210, a low beam reflective cup 220 corresponding to the low beam LED light source set 210, the high beam module 30 comprises a wavelength conversion unit 310, an excitation light source for generating excitation light projected onto the wavelength conversion unit 310, and a high beam reflective cup 320 corresponding to the wavelength conversion unit 310, the low beam LED light source set 210 is disposed on a first heat dissipation substrate 230, the wavelength conversion unit 310 is fixed on a second heat dissipation substrate 330, the first heat dissipation substrate 230 is attached to the second heat dissipation substrate 330, and the first heat dissipation substrate 230 is communicated with the heat dissipation mechanism 50. Specifically, the light emitted by the low-beam LED light source group 210 is reflected by the low-beam reflector cup 220 and then emitted to form a low-beam light beam, the light emitted by the excitation light source is projected onto the wavelength conversion unit 310 to excite the fluorescence, which is collected by the high-beam reflector cup 320 and then emitted to form a high-beam light beam, the second heat dissipation substrate 330 is attached to the first heat dissipation substrate 230, the first heat dissipation substrate 230 is communicated with the heat dissipation mechanism 50, so that the heat generated by the low-beam LED light source group 210 and the wavelength conversion unit 310 is LED out through the first heat dissipation substrate 230, the thickness of the first heat dissipation substrate 230 can be increased, and the heat dissipation efficiency is improved. In addition, because the mounting bracket 10 is not arranged between the two heat dissipation substrates, the distance between the light source surfaces of the low beam module 20 and the high beam module 30 is reduced, the condition that no light rays exist in the middle area of the lens 40 or the light rays are few is improved, and the light efficiency and the light energy utilization rate of the whole system are effectively improved.
Preferably, a groove is formed on one surface of the first heat dissipation substrate 230 corresponding to the second heat dissipation substrate 330, and the second heat dissipation substrate 330 is disposed in the groove, as shown in fig. 3, so that the distance between the light source surfaces of the low beam module 20 and the high beam module 30 can be further reduced, and the light efficiency and the light energy utilization rate of the whole system are improved.
Preferably, the excitation light source is an LED light source 341, and an LED light beam emitted by the LED light source 341 is projected onto the wavelength conversion unit 310. Specifically, the LED light source 341 may be an LED light emitting diode or an LED chip, the LED light source 341 may be attached to the wavelength conversion unit 310, light emitted from the LED light source 341 directly enters the wavelength conversion unit 310 and is converted into white light, and the wavelength conversion unit 310 may be a phosphor sheet or a conversion material formed by combining silica gel and phosphor, a nano luminescent material, or a luminescent dye.
Preferably, the excitation light source includes a first laser source 342, and the laser beam emitted from the first laser source 342 is projected onto the wavelength conversion unit 310. The high beam reflector 320 is provided with a light-transmitting hole corresponding to the laser beam, and the laser beam emitted by the first laser source 342 is projected onto the wavelength conversion unit 310 after passing through the light-transmitting hole. Specifically, the first laser source 342 and the wavelength conversion unit 310 are respectively disposed at two sides of the high beam reflector 320, the wavelength conversion unit 310 may be a phosphor sheet or a conversion material formed by combining silica gel and phosphor, a nano luminescent material or a luminescent dye, the first laser source 342 may be a laser diode or other laser source, the emitted laser beam passes through the light-transmitting hole and then is projected to the wavelength conversion unit 310 to be converted into white light, and the white light is collected by the high beam reflector 320 and then is emitted to form a high beam.
Preferably, the excitation light source may further include an LED light source 341 and a first laser source 342, the LED light beam emitted by the LED light source 341 and the laser beam emitted by the first laser source 342 are respectively projected onto the same surface or two opposite surfaces of the wavelength conversion unit 310, that is, the LED light source 341 and the first laser source 342 may be distributed on the same side or different sides of the wavelength conversion unit 310, in this embodiment, the LED light source 341 and the first laser source 342 are respectively disposed on different sides of the wavelength conversion unit 310, so that the light beams emitted by the LED light source 341 and the first laser source are respectively projected onto two opposite surfaces of the wavelength conversion unit 310, wherein the LED light source 341 is attached to the wavelength conversion unit 310, the light emitted by the LED light source 341 directly enters the wavelength conversion unit 310 and is converted into white light, and the far-light reflecting cup 320 is provided with a light through hole corresponding to the laser beam, and the laser beam emitted by the first laser source 342 is projected onto the wavelength conversion unit 310 through the light through, double-sided excitation of the wavelength conversion unit 310 is achieved, and the central brightness of high beam illumination is improved.
Preferably, the first heat dissipation substrate 230 and the second heat dissipation substrate 330 are made of copper material, so that the heat conduction speed is high, and the mounting bracket 10 is made of aluminum material, so that the weight is light and the price is low.
Preferably, the low-beam LED light source group 210 includes a LED chip 211 and a phosphor sheet 212 which are closely arranged, as shown in fig. 4. Specifically, the light generated by the LED chip 211 directly enters the phosphor sheet 212 for conversion. The low beam module 20 further comprises a second laser source 240, and the laser beam emitted by the second laser source 240 is projected onto the phosphor sheet 212. Preferably, the near-beam light reflecting cup 220 is provided with a light through hole corresponding to the laser beam, and the laser beam emitted by the second laser source 240 is projected onto the phosphor sheet 212 after penetrating through the light through hole, so as to realize double-sided excitation of the phosphor sheet 212 with the LED chip 211.
To sum up, the utility model provides an integrative laser lighting lamp of far and near light, the light that near light LED light source group 210 sent is through the reflection of the anti-light cup 220 back outgoing formation near light beam of near light, the light beam that the excitation light source sent throws the fluorescence that arouses on wavelength conversion unit 310 and throws out after the anti-light cup 320 of far light is collected and goes to form the far light beam, laminates second heat dissipation base plate 330 and first heat dissipation base plate 230, and first heat dissipation base plate 230 and heat dissipation mechanism 50 intercommunication, so the heat that produces on near light LED light source group 210 and the wavelength conversion unit 310 all derives through first heat dissipation base plate 230, can increase the thickness of first heat dissipation base plate 230, improves the radiating efficiency. In addition, because the mounting bracket 10 is not arranged between the two heat dissipation substrates, the distance between the light source surfaces of the low beam module 20 and the high beam module 30 is reduced, the condition that no light rays exist in the middle area of the lens 40 or the light rays are few is effectively improved, and the light efficiency and the light energy utilization rate of the whole system are effectively improved.
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 (10)
1. A high beam and low beam integrated laser lighting lamp is characterized by comprising a mounting bracket, a low beam module and a high beam module which are arranged at the upper side and the lower side of the mounting bracket, a light screen and a lens which are sequentially arranged in front of the low beam module and the high beam module along a light path, and a heat dissipation mechanism which is positioned at the rear of the low beam module and the high beam module, the near-beam module comprises a near-beam LED light source group and a near-beam light reflecting cup corresponding to the near-beam LED light source group, the high beam module comprises a wavelength conversion unit, an excitation light source for generating excitation light projected on the wavelength conversion unit and a high beam reflection cup corresponding to the wavelength conversion unit, the dipped beam LED light source group is fixed on the first heat dissipation substrate, the wavelength conversion unit is fixed on the second heat dissipation substrate, the first heat dissipation substrate is attached to the second heat dissipation substrate, and the first heat dissipation substrate is communicated with the heat dissipation mechanism.
2. The high beam and low beam integrated laser illuminating lamp as claimed in claim 1, wherein a groove is formed on a surface of the first heat dissipating substrate corresponding to the second heat dissipating substrate, and the second heat dissipating substrate is disposed in the groove.
3. The high-beam and low-beam integrated laser illuminating lamp as claimed in claim 1, wherein the excitation light source is an LED light source, and an LED light beam emitted by the LED light source is projected onto the wavelength conversion unit.
4. The high beam and low beam integrated laser illuminating lamp according to claim 1, wherein the excitation light source comprises a first laser source, and a laser beam emitted by the first laser source is projected onto the wavelength conversion unit.
5. The high beam and low beam integrated laser illuminating lamp according to claim 1, wherein the excitation light source comprises an LED light source and a first laser light source, and an LED light beam emitted by the LED light source and a laser beam emitted by the first laser light source are respectively projected onto the same surface or two opposite surfaces of the wavelength conversion unit.
6. The high beam and low beam integrated laser illuminating lamp as claimed in claim 4 or 5, wherein the high beam reflector cup is provided with a light through hole corresponding to the laser beam, and the laser beam emitted by the first laser source is projected onto the wavelength conversion unit after passing through the light through hole.
7. The high-beam and low-beam integrated laser illuminating lamp as claimed in claim 1, wherein the first heat dissipating substrate and the second heat dissipating substrate are made of copper material, and the bracket is made of aluminum material.
8. The high-beam and low-beam integrated laser illuminating lamp as claimed in claim 1, wherein the low-beam LED light source group comprises closely arranged LED chips and fluorescent powder pieces.
9. The all-in-one far and near light laser illuminating lamp as claimed in claim 8, wherein the near light module further comprises a second laser source, and a laser beam emitted by the second laser source is projected onto the fluorescent powder sheet.
10. The high-beam and low-beam integrated laser illuminating lamp as claimed in claim 9, wherein the low-beam reflector cup is provided with a light through hole corresponding to the laser beam, and the laser beam emitted by the second laser source is projected onto the phosphor sheet after passing through the light through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573149.6U CN212691660U (en) | 2020-08-03 | 2020-08-03 | Far and near light integrated laser lighting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573149.6U CN212691660U (en) | 2020-08-03 | 2020-08-03 | Far and near light integrated laser lighting lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691660U true CN212691660U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021573149.6U Active CN212691660U (en) | 2020-08-03 | 2020-08-03 | Far and near light integrated laser lighting lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212691660U (en) |
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2020
- 2020-08-03 CN CN202021573149.6U patent/CN212691660U/en active Active
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