CN107270256A - Laser lighting lamp and its application - Google Patents

Laser lighting lamp and its application Download PDF

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Publication number
CN107270256A
CN107270256A CN201710664707.6A CN201710664707A CN107270256A CN 107270256 A CN107270256 A CN 107270256A CN 201710664707 A CN201710664707 A CN 201710664707A CN 107270256 A CN107270256 A CN 107270256A
Authority
CN
China
Prior art keywords
light
reflector element
laser
unit
lighting lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710664707.6A
Other languages
Chinese (zh)
Inventor
龙涛
邹诚
黄帆
韩捷飞
初宁
孙振国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Super Vision Laser Technology (suzhou) Co Ltd
Original Assignee
Super Vision Laser Technology (suzhou) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Super Vision Laser Technology (suzhou) Co Ltd filed Critical Super Vision Laser Technology (suzhou) Co Ltd
Priority to CN201710664707.6A priority Critical patent/CN107270256A/en
Publication of CN107270256A publication Critical patent/CN107270256A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/30Semiconductor lasers

Abstract

The invention discloses a kind of laser lighting lamp and its application, the illuminating lamp includes laser source unit, wavelength conversion unit and reflector element, the reflector element is provided with light-emitting window, the laser beam projects of the laser source unit outgoing are to the upper surface of the wavelength conversion unit and inspire fluorescence, the fluorescence forms illuminating bundle and from the light-emitting window outgoing, in addition to light probe unit corresponding with the illuminating bundle after reflector element reflection.The present invention is by setting light probe unit corresponding with illuminating bundle, light component for detecting the illuminating bundle, and the light component obtained according to detection judges the status information of wavelength conversion unit, and shown the information, it is easy to pinpoint the problems and change wavelength conversion unit in time, avoid laser from revealing and cause potential safety hazard, and improve degree easy to use and security performance.

Description

Laser lighting lamp and its application
Technical field
The present invention relates to lighting technical field, and in particular to laser lighting lamp and its application.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because with height The advantages of effect, energy-conservation, environmental protection, low cost and long lifespan, just progressively replacing traditional incandescent lamp and electricity-saving lamp, it is logical as one kind Lighting source.It is limited yet with LED luminance, need the special application field of high bright light source, such as stage lighting at some Optical illumination, headlight for vehicles, the field such as Projection Display, LED can not just meet and require that.
Laser (semiconductor laser diode) light source has the advantages that energy concentration, irradiation distance are remote, utilizes laser excitation Phosphor technologies (long-distance fluorescent powder technology) can obtain the spot light of super brightness, and it is special that the spot light can have used in some It is required that lighting field.
LASER Excited Fluorescence powder technology is, by Laser Focusing to phosphor powder layer, to form the point light of a luminous point very little Source, fluorescent material is excited to produce the Stimulated Light of high brightness, generally excites yellow fluorescent powder, gold-tinted and the residue of generation by blue laser Blue light formation white light, then outgoing is collected by optical system, so as to form laser lighting lamp.It follows that phosphor powder layer Play a key effect, if when phosphor powder layer failure or conversion efficiency reduction, final illuminating effect can be influenceed, in addition laser Direct outgoing, then in the presence of certain potential safety hazard.But it is glimmering that consideration is usually free of in existing LASER Excited Fluorescence powder technology The problem of light bisque failure detection, cause user to change phosphor powder layer in time, reduce degree easy to use and security Energy.
The content of the invention
The invention provides a kind of laser lighting lamp and its application, with solve illuminating effect present in prior art it is poor, The problem of degree easy to use and low security performance.
In order to solve the above-mentioned technical problem, the technical scheme is that:A kind of laser lighting lamp, including lasing light emitter list Member, wavelength conversion unit and reflector element, the reflector element are provided with light-emitting window, the laser beam of the laser source unit outgoing It is projected to the upper surface of the wavelength conversion unit and inspires fluorescence, the fluorescence is formed after reflector element reflection Illuminating bundle and from the light-emitting window outgoing, in addition to light probe unit corresponding with the illuminating bundle.
Further, the laser source unit and wavelength conversion unit are divided into inside and outside the reflector element, institute Stating reflector element and being provided with is used for the thang-kng portion through the laser beam.
Further, the reflector element is curved mirror, and the wavelength conversion unit is located at the focus of the reflector element Place.
Further, the light-emitting window is located at the wherein side of the reflector element.
Further, the reflector element is spherical mirror, and the light-emitting window is located at the crown center of the spherical mirror.
Further, the light probe unit includes light sensor corresponding with the illuminating bundle and the light The signal processor of dependent sensor connection and the display being connected with the signal processor.
Further, the signal processor is single-chip microcomputer.
Further, the light probe unit also includes the alarm being connected with the signal processor.
Further, in addition to along light path the collimator and extender unit being located on the outside of the light-emitting window of the reflector element, it is described The size of collimator and extender unit is adapted with the size of the light-emitting window of the reflector element.
The present invention also provides a kind of application of laser lighting lamp as described above, applied to car headlamp, Projection Display Lamp, stage lighting or searchlight.
Laser lighting lamp and its application that the present invention is provided, the illuminating lamp include laser source unit, wavelength conversion unit and Reflector element, the reflector element is provided with light-emitting window, and laser beam projects to the wavelength of the laser source unit outgoing turns Change the upper surface of unit and inspire fluorescence, the fluorescence forms illuminating bundle and from described after reflector element reflection Light-emitting window outgoing, in addition to light probe unit corresponding with the illuminating bundle.The present invention is by setting and illuminating bundle pair The light probe unit answered, the light component for detecting the illuminating bundle, and the light component obtained according to detection judge The status information of wavelength conversion unit, and the information is shown, it is easy to pinpoint the problems and change wavelength conversion unit in time, Avoid laser from revealing and cause potential safety hazard, improve degree easy to use and security performance.
Brief description of the drawings
Fig. 1 a-1b are two kinds of structural representations of laser lighting lamp in the embodiment of the present invention 1;
Fig. 2 is the structured flowchart of light probe unit in the embodiment of the present invention 1;
Fig. 3 is the structural representation of laser lighting lamp in the embodiment of the present invention 2.
Shown in figure:10th, laser source unit;110th, lasing light emitter;20th, wavelength conversion unit;210th, phosphor powder layer;220th, dissipate Hot base;30th, reflector element;310th, light-emitting window;320th, thang-kng portion;40th, light probe unit;410th, light sensor;420、 Signal processor;430th, display;440th, alarm;50th, collimator and extender unit.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1 a-1b, the invention provides a kind of laser lighting lamp, including laser source unit 10, wavelength convert list Member 20 and reflector element 30, the reflector element 30 are provided with light-emitting window 310, and the laser beam of the outgoing of laser source unit 10 is thrown It is incident upon the upper surface of the wavelength conversion unit 20 and inspires fluorescence, fluorescence shape after the reflector element 30 reflection Into illuminating bundle and from the outgoing of light-emitting window 310, in addition to light probe unit 40 corresponding with the illuminating bundle.Specifically , laser source unit 10 is included at least one lasing light emitter 110, the present embodiment by taking blue light laser source as an example, and its outgoing blueness swashs Luminous, wavelength conversion unit 20 includes phosphor powder layer 210 and the heat dissipation base 220 positioned at the lower section of phosphor powder layer 210, the fluorescence coating Interior to be provided with fluorescent material, the present embodiment by taking yellow fluorescent powder as an example, blue laser excites yellow fluorescent powder, and the gold-tinted of generation is with remaining Remaining blue light formation white light, when yellow fluorescent powder failure or conversion efficiency inside phosphor powder layer 210 are reduced, light Probe unit 40 will detect blue light, and the information detected is shown, be easy to user to pinpoint the problems in time and more Change phosphor powder layer 210, it is to avoid laser is revealed and causes potential safety hazard, improves degree easy to use and security performance.
It is preferred that, the laser source unit 10 and wavelength conversion unit 20 are divided into inside and outside the two of the reflector element 30 Side, the reflector element 30, which is provided with, is used for the thang-kng portion 320 through the laser beam.Will the preferred reflector element 30 be Curved mirror, the wavelength conversion unit 20 is located at the focal point of the reflector element 30, and the light-emitting window 310 is located at the reflection The wherein side of unit.Because wavelength conversion unit 20 is located at the focal point of reflector element 30, therefore through the reflector element 30 The light of reflection is in the horizontal direction from outgoing at the light-emitting window, as shown in Figure 1.Specifically, the curved mirror can be two tables Face is coated with the component of metallic film, or metal component, the glass component for being coated with reflectance coating, or plates the component of deielectric-coating Deng as long as required function can be realized, not being restricted herein.When curved mirror use glass system component when, can except Region plating reflectance coating outside thang-kng portion 320, and do not open up through hole at thang-kng portion 320 or the transparent structure that can pass through laser is set Part, simplifies the structure of curved mirror.In addition, the surface face type of the present embodiment mean camber mirror can be parabola, ellipsoid or its Its curved surface, only need to meet following condition:Institute's shape is turned round including at least the parabola is made by gyroaxis of parabolical symmetry axis Into curved surface (parabolic surface) by above-mentioned gyroaxis plane cut-out obtained from curved surface a part.It is inside and outside herein In both sides of the digital reflex unit 30 along optical path direction, the present embodiment, thang-kng portion 320 is the transparent component provided with permeable laser beam Through hole, or the permeable laser beam with reflector element 30 integrally transparent component, the permeable laser it is saturating Bright component can be the transparent panel with optical filter, and the transparent panel can pass through laser, while reflection is through wavelength conversion unit 20 The fluorescence inspired, i.e. white light, can so prevent the fluorescence through the outgoing of wavelength conversion unit 20 from being let out from thang-kng portion 320 Leakage.Thang-kng portion 320 is used to laser beam being oriented to wavelength conversion unit 20, and it can be ellipse, circular or other shapes, size It is adapted with the diameter of laser beam, makes laser beam is unobstructed to pass through.
It is preferred that, the light probe unit 40 include light sensor 410 corresponding with the illuminating bundle, with it is described The signal processor 420 of the connection of light sensor 410 and the display 430 being connected with the signal processor 420.It is preferred that, The signal processor 420 is single-chip microcomputer or DSP (Digital Signal Process, Digital Signal Processing) chip.Specifically , it can be wired connection or wireless connection between the light sensor 410, signal processor 420 and display 430, also may be used Formed with integral packaging, to reduce installation difficulty, save installing space, specific design is carried out according to actual needs, is not done herein Limit.Wherein light sensor 410 is used for the optical signal for detecting illuminating bundle, including wavelength etc., and will detect obtained light letter Number change into electric signal and send to signal processor 420 and analyzed, obtaining light component by the analysis of signal transacting 420 believes Breath, and the information is shown, it is easy to user to observe, such as when discovery has laser beam (the present embodiment middle finger blue light), User can close the laser lighting lamp in time, and change phosphor powder layer 210.It should be noted that accurate in order to improve detection True property, light sensor 410 is provided with multiple, and gap distribution is in illuminating bundle periphery, respectively for the different positions of illuminating bundle Put and detected, and the information transmission detected is handled to same signal processor 420.It is preferred that, the light Probe unit 40 also includes the alarm 440 that is connected with the signal processor 420, when there is laser beam in illuminating bundle When, start alarm 440 and alarmed, to remind user to be handled in time, of course for space and cost is saved, also may be used Only to set alarm 440, display 430 is not provided with.
It is preferred that, the laser lighting lamp is also included along light path located at the outside of light-emitting window 310 of the reflector element 30 Collimator and extender unit 50, the size of the collimator and extender unit 50 is adapted with the size of the light-emitting window of the reflector element 30. Specifically, collimator and extender unit 50 uses collimator and extender lens, its size and the size fit of light-emitting window 310, can also be bigger In the size of light-emitting window 310, as long as ensureing to be projected on collimator and extender unit 50 from the illuminating bundle of the outgoing of light-emitting window 310 .Although the illuminating bundle from the light-emitting window outgoing of reflector element 30 is approximately parallel collimated light, but still is had certain Dispersion angle.In order to obtain the light beam that dispersion angle is smaller, collimator and extender is added on the outside of the light-emitting window of reflector element 30 saturating Mirror, to being collimated from the light beam of light-emitting window outgoing, so as to improve illuminating effect.Certain collimator and extender unit 40 can also be used Other have the element of collimator and extender function, are not limited at this, as long as above-mentioned functions can be realized.In addition, photosensitive pass Sensor 410 can be located at the inner or outer side of collimator and extender unit 50 along light path, as shown in Figure 1a for positioned at collimator and extender unit 50 inner side and be placed on heat dissipation base 220, naturally it is also possible to located at the side of reflector element 30 or on the outside of light-emitting window or Other positions, or a variety of position groupings are used, and are not limited herein, as long as the effect of probing light can be realized.Such as Light sensor 410 shown in Fig. 1 b is, positioned at the outside of collimator and extender unit 50, and to be evenly distributed on the periphery of illuminating bundle, real It can as needed be selected, not limited herein in the application of border.
Present invention also offers a kind of application of laser lighting lamp as described above, car headlamp, throwing can apply to Shadow display lamp, stage lighting, searchlight or other lighting fields are used.It is described, is suitable for certainly with vehicle head lamp herein Property expands to other application field.The shape of this shell body can be designed according to actual needs, such as worked as and be used as Portable search-lighting Lamp can set handle when using on housing, in order to artificial portable or fixed, to improve degree easy to use.
Embodiment 2
As shown in figure 3, as different from Example 1, reflector element 30 described in the embodiment is spherical mirror, the light extraction Mouth 310 is located at the crown center of the spherical mirror 30.Specifically, in the present embodiment, reflector element 30 is that crown center is provided with out The hemispherical reflector of optical port 310, the wavelength conversion unit 20 is located at the centre of sphere of the hemispherical reflector, the laser On the laser beam projects of the outgoing of source unit 10 to the wavelength conversion unit 20 and inspire fluorescence, a part of fluorescence is from institute Direct outgoing at light-emitting window 310 is stated, another part fluorescence is after hemispherical reflector reflection from outgoing at light-emitting window 310. Specifically, laser source unit 10 can be located to the side of reflector element 30 in the present embodiment, close arrangement, both axis are put down OK, both encapsulation volumes and installation difficulty are effectively reduced, particularly in Portable search-lighting field in use, greatly reducing people Work labor intensity, improves degree easy to use.In the present embodiment, by setting the hemispherical reflector with light-emitting window 310 to make For reflector element 30, and by wavelength conversion unit 20 at its centre of sphere, when the outgoing of laser source unit 10 laser beam projects extremely When inspiring fluorescence on wavelength conversion unit 20, make a part of fluorescence from direct outgoing at the light-emitting window 310 of hemispherical reflector, Another part fluorescence excited for more than 210 times through the hemispherical reflector multiple reflections and phosphor powder layer after at light-emitting window 310 Outgoing, can not only avoid fluorescence from the edge of reflector element 30 along non-designated direction outgoing, and enhance center brightness, Improve security and the utilization rate of light source.It should be noted that because reflector element 30 is hemispherical reflector, therefore wavelength The fluorescence part inspired in converting unit 20 is directly from outgoing at light-emitting window 310, and the reflected unit 30 of another part reflects Still it is projected on wavelength conversion unit 20 and is excited again afterwards, and a part of light inspired again can be directly from light-emitting window Outgoing at 310, another part light is after then reflected the multiple reflections of unit 30 and wavelength conversion unit are excited for more than 20 times, final institute Some light all will be from outgoing at light-emitting window 310.
In summary, the present invention is provided laser lighting lamp and its application, the illuminating lamp include laser source unit 10, wavelength Converting unit 20 and reflector element 30, the reflector element 30 be provided with light-emitting window 310, the outgoing of laser source unit 10 swash Light beam is projected to the upper surface of the wavelength conversion unit 20 and inspires fluorescence, and the fluorescence is anti-by the reflector element 30 Illuminating bundle is formed after penetrating and from the outgoing of light-emitting window 310, in addition to light probe unit corresponding with the illuminating bundle 40.The present invention by setting corresponding with illuminating bundle light probe unit 40, for detect the light of the illuminating bundle into Point, and the light component obtained according to detection judges the status information of wavelength conversion unit 20, and the information is shown, just In pinpointing the problems in time and change wavelength conversion unit 20, it is to avoid laser is revealed and causes potential safety hazard, improves easy to use Degree and security performance.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting, It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention Should be comprising within the scope of the present invention.

Claims (10)

1. a kind of laser lighting lamp, including laser source unit, wavelength conversion unit and reflector element, it is characterised in that described anti- Unit is penetrated provided with light-emitting window, the laser beam projects of the laser source unit outgoing to the upper surface of the wavelength conversion unit simultaneously Fluorescence is inspired, the fluorescence forms illuminating bundle and from the light-emitting window outgoing after reflector element reflection, also wrapped Include light probe unit corresponding with the illuminating bundle.
2. laser lighting lamp according to claim 1, it is characterised in that the laser source unit and wavelength conversion unit point Inside and outside the reflector element, the reflector element, which is provided with, is used for the thang-kng portion through the laser beam.
3. laser lighting lamp according to claim 2, it is characterised in that the reflector element is curved mirror, the wavelength Converting unit is located at the focal point of the reflector element.
4. laser lighting lamp according to claim 3, it is characterised in that the light-emitting window is located at its of the reflector element Middle side.
5. laser lighting lamp according to claim 3, it is characterised in that the reflector element is spherical mirror, the light extraction Mouth is located at the crown center of the spherical mirror.
6. laser lighting lamp according to claim 1, it is characterised in that the light probe unit includes and the illumination The corresponding light sensor of light beam, the signal processor being connected with the light sensor and it is connected with the signal processor Display.
7. laser lighting lamp according to claim 6, it is characterised in that the signal processor is single-chip microcomputer.
8. laser lighting lamp according to claim 6, it is characterised in that the light probe unit also includes and the letter The alarm of number processor connection.
9. laser lighting lamp according to claim 1, it is characterised in that also including being located at the reflector element along light path Collimator and extender unit on the outside of light-emitting window, the size of the collimator and extender unit and the size phase of the light-emitting window of the reflector element Adaptation.
10. a kind of application of laser lighting lamp as described in claim 1~9, it is characterised in that applied to car headlamp, Projection Display lamp, stage lighting or searchlight.
CN201710664707.6A 2017-08-07 2017-08-07 Laser lighting lamp and its application Pending CN107270256A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940328A (en) * 2017-12-21 2018-04-20 超视界激光科技(苏州)有限公司 A kind of high power laser headlamp
CN108150960A (en) * 2018-02-09 2018-06-12 超视界激光科技(苏州)有限公司 A kind of high brightness laser illumination module
CN110067984A (en) * 2019-02-26 2019-07-30 华域视觉科技(上海)有限公司 Detect illumination car light mould group and detection lighting system
WO2020103713A1 (en) * 2018-11-20 2020-05-28 深圳市绎立锐光科技开发有限公司 Lighting device, and lamp

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US20110063115A1 (en) * 2009-09-15 2011-03-17 Sharp Kabushiki Kaisha Light emitting device, illumination device, and photo sensor
JP2012222050A (en) * 2011-04-05 2012-11-12 Sharp Corp Light-emitting device, luminaire and head light
US20140268846A1 (en) * 2013-03-18 2014-09-18 Stanley Electric Co., Ltd. Vehicle headlight
US20150252964A1 (en) * 2014-03-05 2015-09-10 Sharp Kabushiki Kaisha Light source device and illumination apparatus
CN105090894A (en) * 2015-08-21 2015-11-25 杨毅 Wavelength conversion device and light emitting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110063115A1 (en) * 2009-09-15 2011-03-17 Sharp Kabushiki Kaisha Light emitting device, illumination device, and photo sensor
JP2012222050A (en) * 2011-04-05 2012-11-12 Sharp Corp Light-emitting device, luminaire and head light
US20140268846A1 (en) * 2013-03-18 2014-09-18 Stanley Electric Co., Ltd. Vehicle headlight
US20150252964A1 (en) * 2014-03-05 2015-09-10 Sharp Kabushiki Kaisha Light source device and illumination apparatus
CN105090894A (en) * 2015-08-21 2015-11-25 杨毅 Wavelength conversion device and light emitting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940328A (en) * 2017-12-21 2018-04-20 超视界激光科技(苏州)有限公司 A kind of high power laser headlamp
CN108150960A (en) * 2018-02-09 2018-06-12 超视界激光科技(苏州)有限公司 A kind of high brightness laser illumination module
WO2020103713A1 (en) * 2018-11-20 2020-05-28 深圳市绎立锐光科技开发有限公司 Lighting device, and lamp
CN110067984A (en) * 2019-02-26 2019-07-30 华域视觉科技(上海)有限公司 Detect illumination car light mould group and detection lighting system

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