CN209458674U - Optical devices and lamps and lanterns for laser lighting - Google Patents
Optical devices and lamps and lanterns for laser lighting Download PDFInfo
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- CN209458674U CN209458674U CN201822053852.3U CN201822053852U CN209458674U CN 209458674 U CN209458674 U CN 209458674U CN 201822053852 U CN201822053852 U CN 201822053852U CN 209458674 U CN209458674 U CN 209458674U
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Abstract
The utility model discloses the Optical devices for laser lighting, include, the laser light source being sequentially arranged along optical path, laser collimation system, optical system, fluorescence ceramics and secondary optical system, the laser collimation system is used to receive the laser beam from the laser light source and generates laser beam after collimation, optical system for receives after the collimation from the laser collimation system laser beam and generate focus after laser beam, the fluorescence ceramics are for receiving laser beam after the focusing from an optical system and generating secondary souce；The secondary optical system is used to carry out light distribution to the secondary souce of the fluorescence ceramics.The utility model has the beneficial effects that: laser power coverage area is wider；Light channel structure is compact；Laser facula is adjustable, and the optical power density size for being incident on fluorescence ceramics is variable；The use of secondary light-distribution terminal lens can make the optical system have focusing function.
Description
Technical field
The utility model relates to laser lightings, are in particular, the Optical devices and lamps and lanterns for laser lighting.
Background technique
In recent years, the white-light illuminating light source of LED because its have efficiently, energy-saving and environmental protection, at low cost and service life it is long etc. excellent
Point has gradually replaced traditional incandescent lamp and energy-saving lamp, has become general lighting source.However since LED luminance is limited, high electricity
Efficiency rapid drawdown when current density, there are serious light decay and it is photochromic unstable the problems such as, in some high powers, high brightness, remote of needing
The special lightings application field such as range, such as the beam sweep of terrestrial reference or stage, bright light torch, headlight for vehicles, the neck such as sweep extra large lamp
Domain, LED are just unable to satisfy requirement.
LD excites fluorescence ceramics as excitation light source or phosphor technologies are that the laser beam for issuing LD passes through certain light
System focuses on fluorescence ceramics or bisque, forms the point light source that a luminous point is submillimeter level, fluorescence ceramics or powder by
The transmitting light for generating high brightness is swashed, usually by blue laser excitation yellow fluorescence ceramics or powder, the yellow light of generation and remaining indigo plant
Light is mixed to form white light, then is collected and be emitted by optical system, to form laser illuminator system and lamps and lanterns.
LD white-light illuminating, using blue laser excited fluophor, generates bright white using semiconductor laser as core light source
Light.Shuji Nakamura prediction is 5 ~ 10 years following, and laser lighting will replace LED to become next-generation new lighting source.Laser lighting is white
Radiant brightness is high, irradiation distance is remote, and brightness has reached 1Gcd/m2, and 30 times of about current LED highest brightness value.Product
The semiconductor laser electro-optical efficiency of change is higher, reaches 45%, and the blue-ray LED electro-optical efficiency about 26% of watt grade.LD
White-light illuminating follow-up developments potentiality are big, with the promotion of LD light efficiency, single tube power and fluorophor transfer efficiency, the light of laser lighting
Effect is also improved space.In contrast, comparative maturity, light efficiency are difficult have bigger raising to LED illumination.
Utility model content
The utility model aim is to overcome the problems of the prior art, provides the novel optical system for laser lighting
And lamps and lanterns.
In order to realize the purpose, the technical solution of the utility model is as follows: for the Optical devices of laser lighting, including
Five sequentially connected laser light source, laser collimation system, an optical system, fluorescence ceramics and secondary optical system parts；
The laser light source can be the array of single laser and its composition, be also possible to laser module and its composition
Array；
The laser beam datum that the laser collimation system issues laser light source is at directional light；
Optical system is by the parallel combiner after collimation, the hot spot that focuses, be diffused as mm in size；
The fluorescence ceramics are in the facula position of an optical system, and laser facula excites fluorescence ceramics to emit sodium yellow
Spectrum, then it is mixed into white spectrum with remaining laser, generate secondary souce；
The secondary optical system carries out light distribution to the secondary souce that fluorescence ceramics generate, to meet the design of different lamps
It is required that.
Preferably, the laser light source is LD semiconductor laser or its array.
Preferably, the laser light source is LD-BANK semiconductor laser module or its array.
Preferably, the laser light source is blue semiconductor laser, and wave-length coverage is 438nm~485nm.
Preferably, the laser collimation system be non-spherical lens, plano-convex lens, biconvex lens, cemented doublet etc. and
Its array forms fast axis collimation lens system, slow axis collimating lens system or fast and slow axis collimating lens system.
Preferably, an optical system is made of conjunction beam, condenser lens and/or diffusion optical system.
Preferably, the fluorescence ceramics are reflective fluorescence ceramics or transmission-type fluorescence ceramics.
Preferably, the secondary optical system is reflective optical system, transmission type optical system, thoroughly/reflective optic
System.
Preferably, it is 445nm semiconductor laser that the laser light source, which is central wavelength,.
Preferably, it is 0.55 that the laser collimation system, which is numerical aperture, focal length 4.51mm, effective aperture 4.95mm
Even aspheric surface lens.
Preferably, the laser collimation system is that numerical aperture is not less than 0.42, and outer diameter is not more than the optical lens of 6.5mm
Mirror.
Preferably, an optical system is diameter 50mm, the cemented doublet of focal length 100mm.
Preferably, an optical system be diameter 75mm, focal length 60mm, center thickness 30mm, numerical aperture 0.619
Aspherical condenser.
Preferably, an optical system is diameter 50.8mm, and the plano-convex of focal length 75.0mm, back focal length 66.7mm are saturating
Mirror.
Preferably, an optical system includes plane mirror or prism, and entire dress is met for transferring optical path
It sets and the space structure demand of lamps and lanterns.
Preferably, for the fluorescence ceramics with a thickness of 0.2mm, structure is rectangular, round or ellipse.
Preferably, the secondary optical system uses rotary parabolic type reverberation bowl, and focus is located at fluorescence ceramics centre bit
It sets.
Preferably, the secondary optical system uses TIR total reflection lens, and focus is located at fluorescence ceramics center.
Preferably, the secondary optical system includes light modulation lens/group.
Preferably, the rotary parabolic type reverberation bowl is using round or oval swept surface.
Preferably, the light modulation lens/group use cylindrical lens array lens.
Preferably, the even smooth film of the light modulation lens/group 1 ° of use.
Preferably, the reflector has an aperture, it is ensured that the laser beam of focusing can all focus on fluorescence ceramics.
Preferably, which is characterized in that there is certain angle on the rotary shaft of the parabolic type reflector and fluorescence ceramics surface.
Preferably, the rotary shaft of the parabolic type reflector and the angle on fluorescence ceramics surface are 0 °, 30 ° or 45 °.
Preferably, the optical axis of the fluorescence ceramics surface and combined beam light beam has certain angle.
Preferably, the optical axis included angle of the fluorescence ceramics surface and combined beam light beam is 60 ° or 90 °.
Preferably, the rotary parabolic type reverberation bowl is the half of bowl opened from axis cutting.
The utility model also provides a kind of lamps and lanterns, includes above-mentioned Optical devices.
Compared with prior art, the beneficial effects of the utility model at least that: laser power coverage area is wider；Optical path
Compact-sized, the use of especially hyperboloid of revolution reflector effectively shortens optical path；Laser facula is adjustable, is incident on fluorescence
The optical power density size of ceramics is variable；The use of secondary light-distribution terminal lens can make the optical system have focusing function.
In addition to the utility model described above solve the technical issues of, constitute technical solution technical characteristic and by
Except beneficial effect brought by the technical characteristic of these technical solutions, other technologies problem that the utility model can solve,
The other technical characteristics for including in technical solution and these technical characteristic bring beneficial effects, will make in conjunction with attached drawing into one
Step detailed description.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model.
Fig. 2 is the structural schematic diagram in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram in another embodiment of the utility model.
Fig. 4 is the placement schematic diagram of fluorescence ceramics in another embodiment of the utility model.
Fig. 5 is the placement schematic diagram of fluorescence ceramics in another embodiment of the utility model.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or with same or similar element or with same or like function
The element of energy.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
Since the component of embodiments of the present invention can be implemented in many ways, these directional terminologies are for saying
Bright purpose, rather than the purpose limited.Therefore, specific embodiment below is not used as the meaning of limitation, and this
The range of invention is defined by the appended claims.
Referring to Figure 1, it is schematically shown that the Optical devices for laser lighting of the invention.The Optical devices are main
By laser light source 10,20, optical systems 30 of laser collimation system, 50 5 part group of fluorescence ceramics 40 and secondary optical system
At.
Laser light source 10 can be the array of single laser and its composition with actual conditions as desired, be also possible to swash
The array of light device module and its composition.The laser beam datum that laser collimation system 20 mainly issues laser light source is at parallel
Light.Optical system 30 is mainly by the parallel combiner after collimation, the hot spot that focuses, be diffused as mm in size.Fluorescence pottery
Porcelain 40 is in the facula position of an optical system, and laser facula excites fluorescence ceramics to emit yellow spectrum, then with remaining laser
It is mixed into white spectrum, generates secondary souce.Secondary optical system 50 carries out light distribution to the secondary souce that fluorescence ceramics generate, with
Meet the design requirement of different lamps.
Embodiment 1:
Fig. 2 is referred to, the collimated lens 201 of the scattering light issued by two blue light LD lasers 101 positioned at left side are quasi-
The condenser lens 301 of an optical system is directly normally incident at directional light, the beam orthogonal focused by condenser lens 301 is in glimmering
The surface of light ceramic 401, the secondary souce being generated by it is located at the focal position of the reverberation bowl 501 of secondary optical system, through anti-
501 collimated light of bowl is penetrated again via being emitted after the even light of even mating plate 502.The middle part of reflector 501, which is dug, has a circular hole to ensure swashing for focusing
Light beam focuses exclusively on the surface of ceramics 401.It according to the actual situation, can be glimmering to reduce diffusion sheet 302 to be added in focused light passages
The power density on 401 surface of light ceramic prevents it to be quenched.
Embodiment 2:
Fig. 3 is referred to, the collimated lens 202 of scattering light that the laser module BANK positioned at left side is issued are collimated into parallel
Light is normally incident in lens 302, and the light beam after focusing is transferred through plane mirror 304 after optical path, is normally incident in fluorescence ceramics
402 surface, the secondary souce generated is after the collimation of reflector 503, via 504 exiting parallel of lampshade.Reflector 503 is in light
Digging on beam Path of Convergent Rays has a trapezoidal hole to ensure that laser beam can focus exclusively on 402 surface of fluorescence ceramics.According to the actual situation,
It can be prevented to be quenched with the power density for reducing by 402 surface of fluorescence ceramics so that diffusion sheet 305 to be added in focused light passages.It is wherein described
The optical axis included angle α of fluorescence ceramics surface and combined beam light beam is 90 °, the rotary shaft of the parabolic type reflector and fluorescence ceramics surface
Angle β is 45 °.
Refer to Fig. 4, the optical axis included angle α of the shown fluorescence ceramics surface and combined beam light beam is 60 °, and the parabolic type is anti-
The rotary shaft and fluorescence ceramics clip surface angle beta of light bowl are 30 °.
Refer to Fig. 5, the optical axis included angle α of the shown fluorescence ceramics surface and combined beam light beam is 90 °, and the parabolic type is anti-
The rotary shaft and fluorescence ceramics clip surface angle beta of light bowl are 0 °.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention.For one of skill in the art, the present invention can have it is various change and
Variation.It is all within spirit of the invention and principle, any modification, equivalent replacement, improvement and so on should be included in this hair
Within bright protection scope.
Claims (10)
1. being used for the Optical devices of laser lighting, which is characterized in that include laser light source, the laser being sequentially arranged along optical path
Colimated light system, an optical system, fluorescence ceramics and secondary optical system, wherein the laser light source is for generating laser light
Beam, the laser collimation system are used to receive the laser beam from the laser light source and generate laser beam after collimation,
Optical system is sharp after focusing for receiving after the collimation from the laser collimation system laser beam and generating
Light light beam, the fluorescence ceramics are for receiving laser beam after the focusing from an optical system and generating secondary light
Source；The secondary optical system is used to carry out light distribution to the secondary souce of the fluorescence ceramics.
2. the Optical devices according to claim 1 for laser lighting, which is characterized in that the laser light source is single
Laser, array, single laser module or the array being made of multiple laser modules by multiple laser constitutions.
3. the Optical devices according to claim 1 for laser lighting, which is characterized in that the optical system tool
There is condenser lens, the secondary optical system has reflector, is disposed between the condenser lens and the fluorescence ceramics described
The exit facet and the fluorescence of reflector, the fluorescence ceramics while bowl face and the condenser lens towards the reflector are made pottery
Porcelain is placed in the speckle displacement of the condenser lens and the focal position of the reflector simultaneously, is formed with confession on the reflector
The bowl that laser beam passes through after the focusing of optical system passes through hole.
4. the Optical devices according to claim 3 for laser lighting, which is characterized in that an optical system is also
With diffusion sheet, the diffusion sheet is placed between the condenser lens and the reflector.
5. the Optical devices according to claim 4 for laser lighting, which is characterized in that the angle of flare of the diffusion sheet
Degree is 1 °, 1.5 °, 2 °, 2.5 ° or 3 °.
6. the Optical devices according to claim 3 for laser lighting, which is characterized in that the reflector is that rotation is thrown
The full bowl of object line style.
7. the Optical devices according to claim 3 for laser lighting, which is characterized in that the reflector is that rotation is thrown
Object line style one side of something bowl.
8. the Optical devices according to claim 7 for laser lighting, which is characterized in that the fluorescence ceramics surface with
The optical axis included angle α of laser beam is 60 ° after the focusing, and the rotary shaft of the reflector is with the fluorescence ceramics clip surface angle beta
30°。
9. the Optical devices according to claim 7 for laser lighting, which is characterized in that the fluorescence ceramics surface with
The optical axis included angle α of laser beam is 90 ° after the focusing, and the rotary shaft of the reflector is with the fluorescence ceramics clip surface angle beta
0°。
10. lamps and lanterns, which is characterized in that include Optical devices described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053852.3U CN209458674U (en) | 2018-12-07 | 2018-12-07 | Optical devices and lamps and lanterns for laser lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053852.3U CN209458674U (en) | 2018-12-07 | 2018-12-07 | Optical devices and lamps and lanterns for laser lighting |
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| Publication Number | Publication Date |
|---|---|
| CN209458674U true CN209458674U (en) | 2019-10-01 |
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ID=68038940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053852.3U Active CN209458674U (en) | 2018-12-07 | 2018-12-07 | Optical devices and lamps and lanterns for laser lighting |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728430A (en) * | 2021-01-25 | 2021-04-30 | 广东八通激光设备有限公司 | Lamp for outputting white light based on blue laser excitation fluorescent powder and light emitting mode |
-
2018
- 2018-12-07 CN CN201822053852.3U patent/CN209458674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728430A (en) * | 2021-01-25 | 2021-04-30 | 广东八通激光设备有限公司 | Lamp for outputting white light based on blue laser excitation fluorescent powder and light emitting mode |
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