CN211738968U - Integrated transmission-type and reflection-type laser lighting device - Google Patents
Integrated transmission-type and reflection-type laser lighting device Download PDFInfo
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- CN211738968U CN211738968U CN202020010478.3U CN202020010478U CN211738968U CN 211738968 U CN211738968 U CN 211738968U CN 202020010478 U CN202020010478 U CN 202020010478U CN 211738968 U CN211738968 U CN 211738968U
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Abstract
The utility model discloses an integrated transmission-type and reflective laser lighting device, include reflective laser lighting module, it comprises semiconductor laser, laser reflector group, laser dodging mirror and fluorescent ceramic, the emergent beam of semiconductor laser passes through the laser reflector group in proper order, the laser dodging mirror reaches the fluorescent ceramic; and the transmission type laser lighting module consists of a semiconductor laser, a laser focusing mirror, a laser dodging mirror, a blue-transmitting and yellow-reflecting optical filter and fluorescent ceramic, wherein an emergent light beam of the semiconductor laser sequentially passes through the laser focusing mirror, the laser dodging mirror and the blue-transmitting and yellow-reflecting optical filter to reach the fluorescent ceramic. The beneficial effects of the utility model reside in that: the laser lighting device has the advantages of variable and adjustable luminous intensity, small lamp size, simple and compact structure, convenience in assembly and adjustment and the like, can realize long-distance irradiation, and has strong penetrating power.
Description
Technical Field
The utility model relates to a laser lighting device of integrated transmission-type and reflective.
Background
The LED light source has the advantages of high efficiency, stability, small volume, long service life and the like, but the brightness is limited; the semiconductor laser has the advantages of good monochromaticity, strong directivity, high brightness and the like besides the advantages of the LED light source, so that the light beam of the laser lighting device using the semiconductor laser as the excitation light source is more concentrated, the penetrating power is stronger, the volume is smaller, the structure is more compact, and the lighting device can be changed to be highly concentrated and miniaturized.
Nowadays, laser illumination has been applied to a plurality of fields, such as aviation landing glide lamps, search lamps, laser headlamps for armored vehicles, military individual strong flashlight, police explosion-proof lamps, search and rescue lamps, emergency lamps, and mining high-intensity lamps in the special illumination field; headlamps for automobiles and high-speed rails, laser optical fiber atmosphere lamps and building lightening beam lamps in the field of civil illumination; in addition, there are indoor and outdoor lighting in the field of flood lighting, medical lighting, traffic lighting, and the like in the future.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the problem among the prior art, provide a novel laser lighting of integrated transmission-type and reflective device.
In order to realize the purpose, the technical scheme of the utility model is as follows: an integrated transmission and reflection laser lighting device comprises,
the reflective laser lighting module comprises a semiconductor laser, a laser reflector group, a laser dodging mirror and fluorescent ceramics, wherein an emergent light beam of the semiconductor laser sequentially passes through the laser reflector group and the laser dodging mirror to reach the fluorescent ceramics; and the number of the first and second groups,
the transmission type laser lighting module comprises a semiconductor laser, a laser focusing mirror, a laser dodging mirror, a blue-transmitting and yellow-reflecting optical filter and fluorescent ceramics, wherein an emergent light beam of the semiconductor laser sequentially passes through the laser focusing mirror, the laser dodging mirror and the blue-transmitting and yellow-reflecting optical filter to reach the fluorescent ceramics;
the number of the reflective laser lighting modules is more than 2, and the number of the transmissive laser lighting modules is 1; the reflective laser lighting module surrounds the periphery of the transmissive laser lighting module; the mixed white light emitted by the reflection type laser lighting module and the transmission type laser lighting module is received and emitted through the light distribution lens.
As a preferred solution of integrating the transmissive and reflective laser lighting devices, the laser wavelengths of the semiconductor laser in the reflective laser lighting module and the semiconductor laser in the transmissive laser lighting module are both within 400-460 nm.
As a preferred scheme of the integrated transmissive and reflective laser lighting device, the laser reflector group is composed of a first reflector, a second reflector and a third reflector, the first reflector is a plane or a paraboloid, the second reflector is a tire tread or a spherical surface, the third reflector is a plane, and the reflective surfaces of the first reflector, the second reflector and the third reflector are all plated with high reflective films.
As a preferred scheme of the integrated transmission-type and reflection-type laser lighting device, the laser focusing mirror is a spherical mirror or an aspheric mirror plated with an antireflection film.
As a preferable scheme of the integrated transmission type and reflection type laser lighting device, the laser dodging mirror is a micro lens array or ground glass.
As a preferred scheme of the integrated transmission-type and reflection-type laser lighting device, the transmission band of the blue-transmitting and yellow-reflecting filter is blue light in the range of 400-.
As a preferable scheme of the integrated transmission type and reflection type laser lighting device, the light distribution lens is a spherical mirror or an aspherical mirror plated with an antireflection film.
Compared with the prior art, the beneficial effects of the utility model reside in at least: the transmission type laser lighting module and the reflection type laser lighting module are packaged in an integrated mode, the lamp has the advantages of variable and adjustable luminous intensity, small size, simple and compact structure, convenience in assembly and adjustment and the like, long-distance irradiation can be achieved, and the penetrating power is high.
In addition to the technical problems, technical features constituting technical aspects, and advantageous effects brought by the technical features of the technical aspects described above, other technical problems, technical features included in the technical aspects, and advantageous effects brought by the technical features solved by the present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is an external view of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a reflective laser lighting module according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a transmission-type laser illumination module according to an embodiment of the present invention.
Fig. 5 is an external view of another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of another embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a reflective laser lighting module according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 4, an integrated transmissive and reflective laser lighting device is shown.
The laser lighting device comprises 4 groups of reflection type laser lighting modules and 1 group of transmission type laser lighting modules.
The reflective laser lighting module comprises a single semiconductor laser 1, a first laser reflector 4, a second reflector 7 and a third reflector 8 for reflecting/focusing laser, a laser dodging mirror 3 for homogenizing laser energy density on the surface of fluorescent ceramic 6 and fluorescent ceramic 6 for wavelength conversion. The first reflecting mirror 4 is a plane mirror, the second reflecting mirror 7 is a tyre plane mirror, and the third reflecting mirror 8 is a plane mirror.
The transmission type laser lighting module comprises a single-tube semiconductor laser 1, a laser focusing lens 2 for converging laser beams at a laser emitting end, a laser homogenizing lens 3 for homogenizing laser energy density on the surface of fluorescent ceramic 6, a blue-transmitting and yellow-reflecting optical filter 5 for transmitting blue light emitted by semiconductor laser and reflecting yellow light emitted by a wavelength conversion material, and the fluorescent ceramic 6 for wavelength conversion.
The white light emitted by the reflection type laser lighting module and the transmission type laser lighting module is received and emitted through the light distribution lens 9. Wherein, the semiconductor laser 1 in each module can be controlled by a circuit respectively. By controlling the drive current of the semiconductor laser 1 in groups, the on/off and luminous intensity change of the reflective laser lighting module and the transmissive laser lighting module can be realized.
For the reflective laser lighting module, in order to reduce the working temperature of the fluorescent ceramic 6 and prolong the service life of the integrated transmission and reflective laser lighting module, the first reflecting mirror 4 and the second reflecting mirror 7 of the reflected/focused laser are adopted to reflect/focus the laser beam, in order to reduce the volume of the laser lighting module, the third reflecting mirror 8 is adopted to fold the light path of the converged laser beam, and the folded laser beam acts on the surface of the fluorescent ceramic 6 through the laser dodging mirror 3.
For the transmission type laser lighting module, in order to improve the light conversion efficiency of the fluorescent ceramic 6, the laser focusing lens 2 is adopted to focus a single-tube semiconductor laser beam, and the focused laser beam acts on the surface of the fluorescent ceramic 6 through the laser dodging lens 3 and the blue-transmitting and yellow-reflecting filter.
The fluorescent ceramic 6 emits light with a wavelength band of 480 nm-600 nm.
The laser focusing lens 2 adopts a spherical or aspherical lens to focus laser beams on the surface of the fluorescent ceramic 6.
The laser light homogenizing mirror 3 is a micro-lens array or ground glass, homogenizes laser spots on the surface of the fluorescent ceramic and reduces the laser power density on the surface of the fluorescent ceramic.
The blue-transmitting and yellow-reflecting optical filter 5 transmits blue light with a wavelength range of 400 nm-460 nm, and reflects light with a wavelength range of 480 nm-600 nm.
The light distribution lens 9 is a spherical or aspherical lens, and white light is distributed and emitted through the light distribution lens 9.
And finally, the on/off and luminous intensity change of the transmission laser lighting module, the reflection laser lighting module and the transflective laser lighting module can be controlled by controlling the driving current of the semiconductor lasers in groups, so that the luminous intensity variable light emitting mode of the integrated transmission type and reflection type laser lighting devices is realized.
The laser light incidence surfaces of all the lenses are plated with antireflection films, and the light beam reflection surfaces are plated with high-reflection films, so that the light energy loss is reduced, and the light-light conversion efficiency is improved.
Referring to fig. 5 to 7, another embodiment of an integrated transmissive and reflective laser lighting device is shown. The difference from the previous embodiment is that the first reflecting mirror 4 is an off-axis parabolic mirror, the second reflecting mirror 7 is a spherical mirror, and the third reflecting mirror 8 is a plane mirror.
The above description is only intended to represent embodiments of the present invention, which are more specific and detailed, but not to be construed as limiting the scope of the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An integrated transmission-type and reflection-type laser lighting device is characterized by comprising a reflection-type laser lighting module, a laser beam splitter and fluorescent ceramics, wherein an emergent light beam of the semiconductor laser sequentially passes through the laser beam splitter and the laser beam splitter to reach the fluorescent ceramics; the transmission type laser lighting module consists of a semiconductor laser, a laser focusing mirror, a laser dodging mirror, a blue-transmitting and yellow-reflecting optical filter and fluorescent ceramics, wherein an emergent light beam of the semiconductor laser sequentially passes through the laser focusing mirror, the laser dodging mirror and the blue-transmitting and yellow-reflecting optical filter to reach the fluorescent ceramics;
the number of the reflective laser lighting modules is more than 2, and the number of the transmissive laser lighting modules is 1; the reflective laser lighting module surrounds the periphery of the transmissive laser lighting module; the mixed white light emitted by the reflection type laser lighting module and the transmission type laser lighting module is received and emitted through the action of the light distribution lens.
2. The integrated transmissive and reflective laser illuminator of claim 1, wherein the laser wavelengths of the semiconductor laser in the reflective laser illuminator module and the semiconductor laser in the transmissive laser illuminator module are both within the range of 400-460 nm.
3. The integrated transmissive and reflective laser illuminator of claim 1, wherein the laser reflector set comprises a first reflector, a second reflector and a third reflector, the first reflector is a plane or a paraboloid, the second reflector is a tire surface or a sphere surface, the third reflector is a plane surface, and the reflective surfaces of the first reflector, the second reflector and the third reflector are all coated with a high reflective film.
4. The integrated transmissive and reflective laser illuminator of claim 1, wherein said laser focusing mirror is an antireflection coated spherical mirror or an aspherical mirror.
5. The integrated transmissive and reflective laser illuminator of claim 1, wherein the laser dodging mirror is a micro-lens array or frosted glass.
6. The integrated transmissive and reflective laser illumination device as claimed in claim 1, wherein the blue-transmissive and yellow-reflective filter has a transmission wavelength of blue light within the range of 400-460nm and a reflection wavelength of light within the range of 480-600 nm.
7. The integrated transmissive and reflective laser illuminator of claim 1, wherein the light distribution lens is a spherical mirror or an aspherical mirror coated with an antireflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020010478.3U CN211738968U (en) | 2020-01-03 | 2020-01-03 | Integrated transmission-type and reflection-type laser lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020010478.3U CN211738968U (en) | 2020-01-03 | 2020-01-03 | Integrated transmission-type and reflection-type laser lighting device |
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| Publication Number | Publication Date |
|---|---|
| CN211738968U true CN211738968U (en) | 2020-10-23 |
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| CN202020010478.3U Active CN211738968U (en) | 2020-01-03 | 2020-01-03 | Integrated transmission-type and reflection-type laser lighting device |
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