CN205579170U - Laser lamp device based on cassegrain optical structure - Google Patents
Laser lamp device based on cassegrain optical structure Download PDFInfo
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- CN205579170U CN205579170U CN201620219301.8U CN201620219301U CN205579170U CN 205579170 U CN205579170 U CN 205579170U CN 201620219301 U CN201620219301 U CN 201620219301U CN 205579170 U CN205579170 U CN 205579170U
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- laser
- white light
- fluorescent agent
- mirror
- collimating mirror
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Abstract
The utility model relates to a laser lamp device based on cassegrain optical structure, cassegrain optical structure, white light collimating mirror and fluorescent agent including laser array, laser spotlight primary mirror and laser spotlight secondary mirror constitution. Laser array sends the multichannel laser beam and focus on fluorescent agent department after reacing laser spotlight secondary mirror reecho after the reflection of laser spotlight primary mirror, and the fluorescent agent sends the diffuse reflection white light after receiving laser excitation, forms the high strength white light and restraint the outgoing after the reflection of white light collimating mirror. Adjustment fluorescent agent and white light collimating mirror relative position can change white light light beam outgoing state. The utility model discloses a multichannel laser beam that cassegrain optical structure sent laser array can improve the fluorescent agent laser irradiation of department intensity on assembling the fluorescent agent at double. The utility model discloses simple structure, the stable performance, the problem of single present semiconductor blue laser emergent power low and the high power price high and high power laser lamp is with high costs etc is solved.
Description
Technical field
This utility model relates to a kind of laser lamp device, particularly to a kind of laser lamp based on Cassegrain's optical texture
Device, belongs to laser application technique field.
Background technology
The principle of laser lamp is to utilize short-wave laser to irradiate phosphor material powder, and the laser of Single wavelength is converted to the company of diffusion
Continuous spectrum white light, thus realize white-light illuminating.It is compared with traditional electric filament lamp, xenon lamp even LED, laser
Light fixture has Energy Efficiency Ratio height, energy-conserving and environment-protective, life-span length, volume little and degree of stability advantages of higher.Therefore laser lamp is the LED that continues
The again reform of the lighting source after lamp, is referred to as " reasonably next step ", the most high-end as some
Automobile, the headlamp such as the i8 of BMW is using.
Owing to Several problems of evaluating laser beam quality of unstable has advantages such as life-span length, volume are little, thus in existing laser lamp use half more
Conductor blue laser is as lasing light emitter.But, limited by processing technology up till now, single quasiconductor indigo plant of use
The emergent light power of light laser is relatively low, and the most commercial emergent light power is about at about 5W, it is impossible to realizes high power and swashs
Light modulation, Several problems of evaluating laser beam quality of unstable price is along with the increase exponentially growth of emergent light power simultaneously, accordingly, it is difficult to fall
The cost of low high power laser light lamp.
Because of the existence of the problems referred to above, how to solve this technical problem, use which kind of technological means, could improve
The ejecting white light power of laser lamp, reduces the cost of high power laser light lamp simultaneously, just becomes a critically important research
Problem；This task place the most of the present utility model.
Summary of the invention
The purpose of this utility model is precisely in order to the defect in the presence of solving described prior art and deficiency, it is provided that a kind of
Laser lamp device based on Cassegrain's optical texture.Its lasing light emitter of this laser lamp device use multi-path laser Shu Huiju with
Improve the ejecting white light power of laser lamp, reduce the cost of high power laser light lamp simultaneously；And this laser lamp device is not by mesh
Front laser lamp processing technology limits, its stable performance, simple in construction, it is easy to operation；Solve the most single quasiconductor
The emergent power of blue laser is low and the price of high power semiconductor blue laser high and high power laser light lamp
High in cost of production problem.
For achieving the above object, this utility model uses the technical scheme being made up of techniques below measure to realize.
A kind of based on Cassegrain's optical texture the laser lamp device that this utility model provides, including laser instrument, white light
Collimating mirror and fluorescent agent；According to this utility model, also include the card being made up of laser focusing primary mirror and laser focusing secondary mirror
Plug Green's optical texture, described laser instrument uses laser array；Describe by light path: described laser array sends
Multi-path laser bundle arrives laser focusing secondary mirror by laser focusing primary mirror after being reflected, and multi-path laser bundle is through laser focusing
Focus at fluorescent agent after mirror secondary reflection again, fluorescent agent by sending diffuse-reflectance white light after laser excitation, diffuse-reflectance white light
High strength white light beam exit is formed by white light collimating mirror after being reflected.
Laser lamp device described in the utility model, described white light collimating mirror can be parabolic mirror, it is also possible to be
Spherical reflector, it is also possible to be the lens with alignment function.
Laser lamp device described in the utility model, described fluorescent agent can adjust with the relative position of white light collimating mirror,
The outgoing state of high strength white light light beam is determined by the change of the relative position of the two.
Laser lamp device described in the utility model, when described fluorescent agent is positioned at the focal point of white light collimating mirror, high-strength
Degree white light beam is as the criterion collimated light beam.
Laser lamp device described in the utility model, when on the primary optical axis that described fluorescent agent is positioned at white light collimating mirror, but far
When the summit of white light collimating mirror, high strength white light light beam is converging beam.
Laser lamp device described in the utility model, when on the primary optical axis that described fluorescent agent is positioned at white light collimating mirror, but leans on
During the summit of nearly white light collimating mirror, high strength white light light beam is divergent beams.
Laser lamp device described in the utility model, Jiao outside described fluorescent agent is positioned at the decoking point of white light collimating mirror puts down
Time on face, high strength white light light beam is dip-parallel light beam.
Ultimate principle of the present utility model is: using Cassegrain's optical texture, it is gathered by laser focusing primary mirror and laser
Light secondary mirror is constituted, and the multi-path laser bundle sent by laser array converges on fluorescent agent, so can improve exponentially
The exposure rate of laser at fluorescent agent, so that laser lamp inspires high strength white light；Meanwhile, fluorescent agent is adjusted with white
The relative position of light collimating mirror, it is also possible to change the outgoing state of its high strength white light light beam.I.e. it is positioned at white when fluorescent agent
During the focal point of light collimating mirror, the high strength white light light beam that laser lamp sends is as the criterion collimated light beam；When fluorescent agent is positioned at white
On the primary optical axis of light collimating mirror, but during away from the summit of white light collimating mirror, the high strength white light light beam that laser lamp sends is
Converging beam；When on the primary optical axis that fluorescent agent is positioned at white light collimating mirror, but when the summit of white light collimating mirror, laser
The high strength white light light beam that lamp sends is divergent beams；Focal plane outside fluorescent agent is positioned at the decoking point of white light collimating mirror
Time upper, the high strength white light light beam that laser lamp sends is dip-parallel light beam.
This utility model compared with prior art has the advantage that and useful technique effect:
1, laser lamp device described in the utility model, uses Cassegrain's optical texture and laser array, by laser
The multi-path laser bundle that device array sends converges on fluorescent agent, can improve the irradiation of blue laser at fluorescent agent exponentially
Intensity, thus inspire high strength white light, can solve existing process conditions and place an order the going out an of Several problems of evaluating laser beam quality of unstable
Penetrate luminous power relatively low, it is impossible to the problem realizing high power laser light lamp.
2, owing to the price of Several problems of evaluating laser beam quality of unstable is along with the increase exponentially growth of emergent light power, this utility model
Multiple smaller power Several problems of evaluating laser beam quality of unstables are formed laser array, and its emergent light converges on fluorescent agent, thus
Reduce the cost of high power laser light lamp.
3, this utility model uses Cassegrain's optical texture unwise to arrangement and the quantity of laser instrument in laser array
Sense, has the strongest versatility.
4, this utility model is by adjusting the relative position of fluorescent agent and white light collimating mirror, it is also possible to change high intensity white
The outgoing state of light light beam, its method of adjustment is simple and practical.
Accompanying drawing explanation
Fig. 1 is this utility model laser lamp device overall structure schematic diagram；
Fig. 2 is laser array structures schematic diagram in this utility model embodiment；
When Fig. 3 is the focal point that fluorescent agent described in the utility model is positioned at white light collimating mirror, high strength white light light beam is as the criterion
Schematic diagram during collimated light beam；
Fig. 4 fluorescent agent described in the utility model is positioned on the primary optical axis of white light collimating mirror, but near the top of white light collimating mirror
During point, high strength white light light beam is schematic diagram during divergent beams；
Fig. 5 fluorescent agent described in the utility model is positioned on the primary optical axis of white light collimating mirror, but away from the top of white light collimating mirror
During point, high strength white light light beam is schematic diagram during converging beam.
In figure: 1 laser array, 2 laser focusing primary mirrors, 3 laser focusing secondary mirrors, 4 white light collimating mirrors, 5 fluorescence
Agent, 6 multi-path laser bundles, 7 diffuse-reflectance white lights, 8 high strength white light light beams, 9 laser instrument.
Detailed description of the invention
Below in conjunction with the accompanying drawings and with specific embodiment this utility model is described in further detail, it is necessary to it is pointed out here that
Be that described embodiment is only intended to further describe of the present utility model, and be not meant to be this utility model
Any restriction of protection domain.
A kind of laser lamp device based on Cassegrain's optical texture described in the utility model, its structure as it is shown in figure 1,
Including laser array 1, laser focusing primary mirror 2 and laser focusing secondary mirror 3 constitute Cassegrain's optical texture, in vain
Light collimating mirror 4, fluorescent agent 5；Describe by light path: the multi-path laser bundle 6 that described laser array 1 sends is by swashing
Arriving laser focusing secondary mirror 3 after the reflection of light optically focused primary mirror 2, multi-path laser bundle 6 is through laser focusing secondary mirror 3 secondary reflection again
After focus at fluorescent agent 5, fluorescent agent 5 is by sending diffuse-reflectance white light 7 after laser excitation, diffuse-reflectance white light 7 leads to
High strength white light light beam 8 outgoing is formed after crossing white light collimating mirror 4 reflection.
Embodiment
The present embodiment is arranged according to the structure shown in Fig. 1 and connects optical component；
In the present embodiment, laser array 1 uses eight single Several problems of evaluating laser beam quality of unstables 9, single laser instrument
Power be 5W, wavelength is 450nm, and eight Several problems of evaluating laser beam quality of unstables are evenly distributed on shape on the circle of a diameter of 50mm
Become laser array 1, as shown in Figure 2.
The laser focusing primary mirror 2 in Cassegrain's optical texture in this example and 3 two pieces of illuminators of laser focusing secondary mirror
Parameter be:
Laser focusing primary mirror 2: diameter phi=60mm, radius of curvature R=-200mm；
Laser focusing secondary mirror 3: diameter phi=24mm, radius of curvature R=106.67mm；
White light collimating mirror 4: focal distance f=20mm, the parabolic mirror of bore d=100mm.
The focus of described Cassegrain's optical texture is positioned at after laser focusing primary mirror 2 at 92.7mm, therefore by fluorescent agent 5
It is placed at this；At the glass pane 10 of the outer the most in addition center band support bar 11 of white light collimating mirror 4, the top of support bar 11 is used
In installing fluorescent agent 5, the fluorescent agent 5 distance away from white light collimating mirror 4 summit is 20mm.Now, fluorescent agent 5 is positioned at
The focal point of white light collimating mirror 4, the high strength white light light beam 8 that laser lamp is launched is in quasi-parallel state, such as Fig. 3 institute
Show.
Owing to laser array 1 contains eight Several problems of evaluating laser beam quality of unstables 9 altogether, the power of each laser instrument is 5W, therefore
The blue laser power summation irradiated at fluorescent agent 5 is 40W, it is achieved that improve blue laser at fluorescent agent 5 exponentially
Exposure rate, thus inspire high strength white light.
Fig. 4 is when the length increasing support bar 11, makes the fluorescent agent 5 distance away from white light collimating mirror 4 summit less than 20mm
I.e. fluorescent agent 5 is positioned on the primary optical axis of white light collimating mirror 4, but when white light collimating mirror 4 summit, laser lamp is launched
The high strength white light light beam 8 gone out is in divergent state；Fig. 5 is when the length increasing support bar 11, makes fluorescent agent 5 away from vain
The distance on light collimating mirror 4 summit is positioned on the primary optical axis of white light collimating mirror 4 more than 20mm, i.e. fluorescent agent 5, but away from
During white light collimating mirror 4 summit, the high strength white light light beam 8 that laser lamp is launched is in convergence state.
Obviously, the relative position of fluorescent agent and white light collimating mirror is adjusted simply by above example, thus it is possible to vary go out
Penetrate the state of high strength white light light beam.The emergent power simultaneously solving the most single Several problems of evaluating laser beam quality of unstable low and
The price height of high power semiconductor blue laser and the high in cost of production problem of high power laser light lamp.
Claims (7)
1. a laser lamp device based on Cassegrain's optical texture, including laser instrument, white light collimating mirror (4) and fluorescent agent (5)；Characterized by further comprising the Cassegrain's optical texture being made up of laser focusing primary mirror (2) and laser focusing secondary mirror (3), described laser instrument uses laser array (1)；Describe by light path: the multi-path laser bundle (6) that described laser array (1) sends arrives laser focusing secondary mirror (3) by the laser focusing primary mirror (2) of Cassegrain's optical texture after being reflected, multi-path laser bundle (6) focuses on fluorescent agent (5) place after laser focusing secondary mirror (3) secondary reflection again, fluorescent agent (5) is by sending diffuse-reflectance white light (7) after laser excitation, diffuse-reflectance white light (7) forms high strength white light light beam (8) outgoing after being reflected by white light collimating mirror (4).
A kind of laser lamp device based on Cassegrain's optical texture the most according to claim 1, it is characterised in that described white light collimating mirror (4) can be parabolic mirror, or spherical reflector, or has the lens of alignment function.
A kind of laser lamp device based on Cassegrain's optical texture the most according to claim 1 and 2, it is characterized in that the relative position of fluorescent agent described in adjustable (5) and white light collimating mirror (4), the relative position of the two determine the outgoing state of high strength white light light beam (8).
A kind of laser lamp device based on Cassegrain's optical texture the most according to claim 1 and 2, it is characterized in that when described fluorescent agent (5) is positioned at the focal point of white light collimating mirror (4), high strength white light light beam (8) is as the criterion collimated light beam.
A kind of laser lamp device based on Cassegrain's optical texture the most according to claim 1 and 2, it is characterized in that when described fluorescent agent (5) is positioned on the primary optical axis of white light collimating mirror (4), but during away from the summit of white light collimating mirror (4), high strength white light light beam (8) is converging beam.
A kind of laser lamp device based on Cassegrain's optical texture the most according to claim 1 and 2, it is characterized in that when described fluorescent agent (5) is positioned on the primary optical axis of white light collimating mirror, but when the summit of white light collimating mirror (4), high strength white light light beam (8) is divergent beams.
A kind of laser lamp device based on Cassegrain's optical texture the most according to claim 1 and 2, it is characterized in that high strength white light light beam (8) is dip-parallel light beam when on the focal plane outside described fluorescent agent (5) is positioned at the decoking point of white light collimating mirror (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219301.8U CN205579170U (en) | 2016-03-21 | 2016-03-21 | Laser lamp device based on cassegrain optical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219301.8U CN205579170U (en) | 2016-03-21 | 2016-03-21 | Laser lamp device based on cassegrain optical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205579170U true CN205579170U (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620219301.8U Expired - Fee Related CN205579170U (en) | 2016-03-21 | 2016-03-21 | Laser lamp device based on cassegrain optical structure |
Country Status (1)
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|---|---|
| CN (1) | CN205579170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650483A (en) * | 2016-03-21 | 2016-06-08 | 成都翔羽科技有限公司 | Laser lamp device based on Cassegrain optical structure |
| CN109798489A (en) * | 2017-11-17 | 2019-05-24 | 深圳市绎立锐光科技开发有限公司 | A kind of lighting device and automobile lighting lamp |
-
2016
- 2016-03-21 CN CN201620219301.8U patent/CN205579170U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650483A (en) * | 2016-03-21 | 2016-06-08 | 成都翔羽科技有限公司 | Laser lamp device based on Cassegrain optical structure |
| CN109798489A (en) * | 2017-11-17 | 2019-05-24 | 深圳市绎立锐光科技开发有限公司 | A kind of lighting device and automobile lighting lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20200321 |