CN206918708U - A kind of adaptive laser lighting lamp - Google Patents
A kind of adaptive laser lighting lamp Download PDFInfo
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- CN206918708U CN206918708U CN201720672285.2U CN201720672285U CN206918708U CN 206918708 U CN206918708 U CN 206918708U CN 201720672285 U CN201720672285 U CN 201720672285U CN 206918708 U CN206918708 U CN 206918708U
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Abstract
The utility model discloses a kind of adaptive laser lighting lamp, including laser source unit, wavelength conversion unit and reflector element, wavelength conversion unit is located at the focal point of reflector element, laser source unit includes lasing light emitter and light beam regulation mechanism, the laser beam of lasing light emitter outgoing adjusts the hot spot to form designated shape through light beam regulation mechanism, it is projected on wavelength conversion unit and inspires fluorescence, fluorescence is emitted after reflector element reflects by assigned direction.By setting light beam regulation mechanism, the light spot shape and size on laser beam projects to wavelength conversion unit that are sent according to current road conditions and ambient intensity adjustment lasing light emitter, so as to form current desired illuminating bundle.The utility model can adjust brightness and the illumination zone degree of illuminating bundle in real time according to current road conditions and current outside light intensity, substantially increase travel safety and comfort level, and need not adjust whole car light, reduce energy expenditure, control accuracy is high, and simple to operate, stability is good.
Description
Technical field
It the utility model is related to lighting technical field, and in particular to a kind of adaptive laser lighting lamp.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because with height
Effect, energy-conservation, environmental protection, cost is low and the advantages that long lifespan, is just progressively substituting traditional incandescent lamp and electricity-saving lamp, is turning into a kind of logical
Lighting source.
In existing LED automobile headlamp, LED light source is located at the focal point of car light reflector, the light beam of LED light source outgoing
Luminous intensity distribution through the collection of car light reflector and back-end optical system (including baffle plate, lens etc.), it is remote required for finally projecting
Dipped beam field distribution.This kind can be met the light distribution of matching somebody with somebody of the headlight for vehicles dipped beam of demand, but when forming distance light distribution,
Due to being limited by current LED light source brightness, the problem of center illumination is substantially inadequate generally be present, shone in such as light of stage
Bright, headlight for vehicles, Projection Display etc. need the application field of super brightness light source, and LED light source is just difficult to satisfaction and require that.
In view of the above-mentioned problems, proposing a kind of laser lighting lamp in the prior art, swashed by being set on the outside of car light reflector
On the fluorescent material that light source is launched laser beam and is projected on the inside of car light reflector, inspire fluorescence and process car light reflector is anti-
It is emitted after penetrating by assigned direction, to form the light beam advanced in defined solid angle.Yet with vehicle travel process,
It is frequently necessary to according to illumination direction, distance, scope and brightness of road conditions and current outside light intensity adjusting illuminating lamp etc., to carry
High travel safety and comfort level.
However, in existing adaptive headlamp illuminating system, generally use moves integrally the mode of car light to realize, not only
Energy expenditure is big, and increases the possibility that mechanically actuated makes a mistake, and control accuracy is low, and stability is poor.
Utility model content
The utility model provides a kind of adaptive laser lighting lamp, to solve energy expenditure present in prior art
Greatly, easily make a mistake, the problem of control accuracy is low and stability is poor.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of adaptive laser lighting lamp, including
Laser source unit, wavelength conversion unit and reflector element, the wavelength conversion unit are located at the focal point of the reflector element, institute
Stating laser source unit includes lasing light emitter and light beam regulation mechanism, and the laser beam of the lasing light emitter outgoing is through the light beam regulation mechanism
Regulation forms the hot spot of designated shape, is projected on the wavelength conversion unit and inspires fluorescence, described in the fluorescence process
It is emitted after reflector element reflection by assigned direction.
Further, the laser source unit and wavelength conversion unit are divided into the both sides of the reflector element, described anti-
Penetrate unit and be provided with the thang-kng portion being used for through the laser beam.
Further, the reflector element is curved mirror.
Further, the light beam regulation mechanism includes control unit, driver element and the zoom unit being sequentially connected, institute
State zoom unit to be located between the lasing light emitter and reflector element along light path, described control unit controls the driver element regulation
The position of the zoom unit is to change the light spot shape for the laser beam that lasing light emitter is sent and size.
Further, the zoom unit includes the diffusion sheet and condenser lens set gradually along light path, the diffusion sheet
It is connected with the driver element, the condenser lens and the reflector element are confocal.
Further, the zoom unit is zoom cylindrical mirror, and the zoom cylindrical mirror is connected with the driver element, institute
The focal plane that becomes for stating zoom cylindrical mirror is located at close to the side of the reflector element.
Further, described control unit includes controlling switch, information detecting unit and the central processing list being sequentially connected
Member, the CPU are connected with the driver element, and described information monitoring unit includes illumination detection sensor and road
Road image acquisition device.
Further, the driver element uses the combination of electric adjusting mechanism or manual adjustment means or both.
Further, the light path that the laser source unit is also included between the lasing light emitter and light beam regulation mechanism turns
Roll over unit.
Further, the wavelength conversion unit includes fluorescence coating and the heat dissipation base being connected with the fluorescence coating, described
Fluorescence coating is located at the focal point of the reflector element.
Adaptive laser lighting lamp provided by the utility model, including laser source unit, wavelength conversion unit and reflection are single
Member, the wavelength conversion unit are located at the focal point of the reflector element, and the laser source unit includes lasing light emitter and light beam is adjusted
Mechanism is saved, the laser beam of the lasing light emitter outgoing adjusts the hot spot to form designated shape through the light beam regulation mechanism, is projected to
On the wavelength conversion unit and fluorescence is inspired, the fluorescence is emitted after reflector element reflection by assigned direction.
By setting light beam regulation mechanism, according to the laser beam projects that current road conditions and ambient intensity adjustment lasing light emitter are sent to ripple
Light spot shape and size in long converting unit, so as to form current desired illuminating bundle.The utility model can be according to current
Road conditions and current outside light intensity adjust brightness and the illumination zone degree of illuminating bundle in real time, substantially increase travel safety
And comfort level, and whole car light need not be adjusted, energy expenditure is reduced, control accuracy is high, and simple to operate, stability is good, meets
The demand of practical application.
Brief description of the drawings
Fig. 1 is the structural representation of adaptive laser lighting lamp in the specific embodiment of the utility model one；
Fig. 2 is the structural representation of the utility model control unit.
Shown in figure：10th, laser source unit；110th, lasing light emitter；120th, light path turnover unit；130th, light beam regulation mechanism；
131st, control unit；132nd, driver element；133rd, zoom unit；134th, controlling switch；135th, information detecting unit；136th, it is central
Processing unit；137th, diffusion sheet；138th, condenser lens；20th, wavelength conversion unit；210th, fluorescence coating；220th, heat dissipation base；30、
Reflector element；310th, thang-kng portion.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings：
As shown in figure 1, the utility model provides a kind of adaptive laser lighting lamp, including laser source unit 10, wavelength
Converting unit 20 and reflector element 30, the wavelength conversion unit 20 are located at the focal point of the reflector element 30, the laser
Source unit 10 includes lasing light emitter 110 and light beam regulation mechanism 130, and the laser beam that the lasing light emitter 110 is emitted is adjusted through the light beam
Section mechanism 130 adjusts the hot spot for forming designated shape, is projected on the wavelength conversion unit 20 and inspires fluorescence, described glimmering
Light is emitted after the reflector element 30 reflection by assigned direction.Specifically, the laser beam projects that lasing light emitter 110 is launched are to institute
State on wavelength conversion unit 20 and inspire fluorescence, the fluorescence is gone out after the reflector element 30 reflection by assigned direction
Penetrate, to form the illuminating bundle advanced in defined solid angle, because wavelength conversion unit 20 is located at the reflector element 30
Focal point, therefore the horizontal photograph of formation after the reflector element 30 reflection of the fluorescence through being inspired on wavelength conversion unit 20
Bright beam exit.But when running into special road conditions or ambient Strength Changes, it is necessary to adjust brightness and the photograph of illuminating bundle
Bright scope, now swashed by light beam regulation mechanism 130 according to what current road conditions and ambient intensity adjustment lasing light emitter 110 were sent
Beam and focus shapes and sizes, that is, the light spot shape being projected on wavelength conversion unit 20 and size, it is current desired so as to be formed
Illuminating bundle, during if desired for high beam, the width of illuminating bundle in the horizontal direction or width vertically can be reduced
To reduce illumination zone and improve brightness of illumination, it is necessary to during dipped headlight, can expand illuminating bundle width in the horizontal direction or
Width vertically is to expand illumination zone and reduce brightness of illumination, or is adjusted accordingly according to road conditions, herein
Do not enumerate.
Fig. 1 is continued referring to, the laser source unit 10 and wavelength conversion unit 20 are divided into the reflector element 30
Both sides, the reflector element 30 are provided with the thang-kng portion being used for through the laser beam.Specifically, both sides herein are digital reflexs
Both sides of the unit 30 along optical path direction, the quantity in thang-kng portion 310 can be one or more, according to laser in laser source unit 10
The quantity in source 110 is designed, and it can be the through hole of through hole or the transparent component provided with permeable laser beam, or
Person is the transparent component of the permeable laser beam integrally formed with reflector element 30, and the transparent component of the permeable laser can be with
The transparent panel with optical filter, the transparent panel can pass through laser, while reflection inspired through wavelength conversion unit 20 it is glimmering
Light, i.e. white light, it can so prevent from leaking from thang-kng portion 310 through the fluorescence that wavelength conversion unit 20 is emitted.Thang-kng portion 310
For laser beam to be oriented into wavelength conversion unit 20, it can be ellipse, circular or other shapes, in the present embodiment, thang-kng
Portion 310 be more than laser beam size (being projected to the spot size on wavelength conversion unit 20), with specific reference to be actually needed into
Row setting, to ensure that laser beam can smoothly pass through thang-kng portion 310, avoid laser beam from being blocked by reflector element 30 and can not be whole
It is projected on wavelength conversion unit 20.Laser source unit 10 is arranged on wavelength conversion unit 20 relative to the another of reflector element 30
Side, it is easy to carry out flexible design to the structure of laser source unit 10 and position according to the steric requirements used and is easy to more
Change, certain laser source unit 10 can also be installed on the same side of the relative reflection unit 30 of wavelength conversion unit 20, so can be with
Simplify the structure of illuminating lamp.
Preferably, the laser source unit 10 also includes between the lasing light emitter 110 and light beam regulation mechanism 130
Light path turnover unit 120, the laser beam that the lasing light emitter 110 is sent are adjusted by light path turnover unit 120 and light beam successively
The reflector element 30 is passed through after section mechanism 130 and is projected on the wavelength conversion unit 20.Specifically, laser source unit 10
The quantity of middle lasing light emitter 110 needs to be designed according to the center illumination of the power of output light, particularly illuminating lamp, also may be used certainly
Directly to set multiple lasing light emitters 110, select the quantity of the lasing light emitter 110 of work at present as needed when in use, such as pass through
The elements such as switch are selected, and so can further improve degree easy to use and universal performance.Certainly, if lasing light emitter 110
When quantity is multiple, corresponding beam shaping element or concentrating element need to be set, for the laser for sending multiple lasing light emitters 110
Beam is converted into light beam or multi beam directional light, and is projected on light path turnover unit 120.Light path turnover unit 120 be used for pair
Laser beam enters horizontal deflection, and to change its direct of travel, so that whole system is compact-sized, light path turnover unit 120 can be with
Using plane mirror or curved reflector, metal film or deielectric-coating etc. can also be used, identical effect can be reached.Institute
The quantity for stating thang-kng portion 310 is one or more, specifically, when lasing light emitter 110 only has one, thang-kng portion 310 also corresponds to and set
There is one；When the quantity of lasing light emitter 110 is multiple, i.e., >=2 when, the quantity in thang-kng portion 310 can also only have one, now,
The light beam that multiple lasing light emitters 110 are launched shares a thang-kng portion 310；Certainly thang-kng portion 310 can also be provided with multiple, with lasing light emitter
110 correspond, and each thang-kng portion 310 is used to the laser beam that corresponding lasing light emitter 110 is launched being oriented to wavelength conversion unit 20.This
In embodiment, the preferably semiconductor laser, namely laser diode of lasing light emitter 110, there is small volume, long lifespan feature, enter
One step reduces the volume of device, improves service life and stability.Semiconductor laser used herein can be at 1
Element with 1 luminous point or the element with multiple luminous points on 1 chip on chip.
Preferably, the reflector element 30 is curved mirror, and reflector element 30 is a curved mirror, and the curved mirror can be two
Surface is coated with the component of metallic film, or metal component, the glass component for being coated with reflectance coating, or the structure of plating deielectric-coating
Part etc., as long as required function can be realized, it is not restricted herein.When curved mirror uses the component of glass system, Ke Yi
Region plating reflectance coating in addition to thang-kng portion 310, and do not open up through hole at thang-kng portion 310 or set and can pass through the transparent of laser
Component, simplify the structure of curved mirror.In addition, the surface face type of the present embodiment mean camber mirror can be parabola, ellipsoid or
Other curved surfaces, only it need to meet following condition：The parabola is set to turn round institute including at least by gyroaxis of parabolical symmetry axis
A part for the curved surface (parabolic surface) of formation curved surface obtained from the plane cut-out of above-mentioned gyroaxis.
As depicted in figs. 1 and 2, the light beam regulation mechanism 130 includes control unit 131, the driver element being sequentially connected
132 and zoom unit 133, the zoom unit 133 is set along light path, between lasing light emitter 110 and reflector element 30, and with
The reflector element 30 is confocal.Described control unit 131 controls the driver element 132 to drive the zoom unit 133 to rotate
To adjust the light spot shape of laser beam and size.Preferably, control unit 131 includes controlling switch 134, the information being sequentially connected
Detection unit 135 and CPU 136, the CPU 136 are connected with the driver element 132, the letter
Breath monitoring unit 135 includes illumination detection sensor and road image collector.Controlling switch 134 is used for user and inputs control life
Order, control driver element 132 start or are stopped, and illumination detection sensor is used for the intensity for detecting current outside illumination, and
Detection information is sent to CPU 136 and judged, if during current outside illumination abundance, such as in row of non-greasy weather in the daytime
Car, then the light spot shape and size of laser beam need not be adjusted, now CPU 136 controls driver element 132 not work,
If current outside illumination is inadequate, as in the night or foggy weather is driven a vehicle, then needs to adjust the direction of illumination of illuminating bundle, now
Road ahead image is gathered by road image collector to send to CPU 136, is entered by CPU 136
Row image procossing, current traffic information, including front vehicles information, road curvature degree, climb and fall information etc. are obtained, and according to this
Traffic information control driver element 132 adjusts the position of zoom unit 133, to form required illuminating bundle.In the present embodiment,
Road image collector can use CCD/CMOS cameras or other image capture devices, can be obtained in high vehicle speeds in front of
The high-definition image of road.CPU 136 can use single-chip microcomputer, DSP, FPGA, ARM or computer etc., by above-mentioned parameter
Send to driver element 132, driver element 132 adjusts the position of zoom unit 133 according to above-mentioned adjusting parameter information, such as around X-axis
Or Y-axis rotates, to change the focal position of zoom unit 133, so as to change laser beam projects to the upper table of wavelength conversion unit 20
The spot size and shape in face, to form required illuminating bundle, whole process is auto-adjustment control, without manually
Operation, improves degree easy to use and operating efficiency., it is necessary to during high beam, driver element 132 is being controlled during driving at night
The position of zoom unit 133 is adjusted, hot spot of the laser beam projects to wavelength conversion unit 20 is diminished, to reduce illumination model
Enclose, improve illumination intensity；When two cars meet or need to turn, control driver element 132 adjusts the position of zoom unit 133,
Hot spot of the laser beam projects to wavelength conversion unit 20 is become big, to expand illumination zone, reduce illumination intensity；Certainly both
Needing raising illumination intensity needs to expand illumination zone again when, lasing light emitter can be increased while light spot shape and size is adjusted
110 quantity.In addition, can also be not provided with information detecting unit 135 carries out environment automatic detection, directly pass through manual operation
Controlling switch sends control command to CPU 136, and driver element 132 is controlled so as to realize, makes its basis
Current needs to adjust the position of zoom unit 133, to form required illuminating bundle, the degree easy to use of certain control method
With operating efficiency not such as above-mentioned autocontrol method, accommodation accuracy is improved of course for further, will can also be automatically controlled
Mode and manual control mode are combined, and further improve regulating effect.
Preferably, the driver element 132 uses the combination of electric adjusting mechanism or manual adjustment means or both.Wherein
Electric adjusting mechanism can be motor or cylinder or piezoelectric ceramics, manual adjustment means can be set screw or adjusting screw rod with
The combination of elastic component, the elastic component can use spring, metallic gasket, silica gel, rubber or the pad of other flexible deformations
Piece, it is designed according to being actually needed.
Please emphasis reference picture 1, the zoom unit 133 includes the diffusion sheet 137 and condenser lens that are set gradually along light path
138, the diffusion sheet 137 is connected with the driver element 138, and the condenser lens 138 and the reflector element 30 are confocal, its
Middle diffusion sheet 137 is used for dispersion laser beam, plays the effect of even light, and the position of diffusion sheet 137 is adjusted by driver element 133,
Such as rotated around u axles or v axles, so as to change laser beam on wavelength conversion unit 20 along its length or width hot spot it is big
Small and shape, so as to form required illuminating bundle.
Preferably, the zoom unit 133 can also use zoom cylindrical mirror, the zoom cylindrical mirror and the driver element
132 connections, the focal plane that becomes of the zoom cylindrical mirror are located at close to the side of the reflector element 30.Specifically, zoom cylindrical mirror
Become focal plane to be located at close to the side of the reflector element 30, and under normal circumstances, the focus of the change focal plane of zoom cylindrical mirror with
Reflector element 30 is confocal, and when needing to adjust illuminating bundle, control driver element 132 adjusts the position of zoom unit 133, such as around
U axles rotate, so as to change laser beam on wavelength conversion unit 20 along its length or width spot size and shape,
, can be directly by laser beam therefore because zoom cylindrical mirror also has the function that to converge light so as to form required illuminating bundle
Condenser lens 138 can be not provided with, simplifies the structure of device.
Preferably, the wavelength conversion unit 20 includes fluorescence coating 210 and the heat dissipation base being connected with the fluorescence coating 210
220, the fluorescence coating 210 is located at the focal point of the reflector element 30, i.e., the upper surface center of described fluorescence coating 210 with it is described
The focus of reflector element 30 overlaps, so as to improve the adjustable extent of illuminating bundle and applicability.
Adaptive laser lighting lamp provided by the utility model, including laser source unit 10, wavelength conversion unit 20 and anti-
Unit 30 is penetrated, the wavelength conversion unit 20 is located at the focal point of the reflector element 30, and the laser source unit 10 includes swashing
Light source 110 and light beam regulation mechanism 120, the laser beam that the lasing light emitter 110 is emitted adjust shape through the light beam regulation mechanism 120
Into the hot spot of designated shape, it is projected on the wavelength conversion unit 20 and inspires fluorescence, the fluorescence passes through the reflection
Unit 30 is emitted after reflecting by assigned direction.By setting light beam regulation mechanism 120, according to current road conditions and ambient intensity
The light spot shape and size on laser beam projects to wavelength conversion unit 20 that regulation lasing light emitter 110 is sent, it is current so as to be formed
Required illuminating bundle.The utility model can be adjusted in real time according to current road conditions and current outside light intensity light beam brightness and
Illumination zone, travel safety and comfort level are substantially increased, and whole car light need not be adjusted, reduce energy expenditure, controlled
Precision is high, and simple to operate, stability is good, meets the demand of practical application.
Although embodiment of the present utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of the utility model aims are not departed from, are put
Change and change should be included in the scope of protection of the utility model.
Claims (10)
1. a kind of adaptive laser lighting lamp, including laser source unit (10), wavelength conversion unit (20) and reflector element (30),
Characterized in that, the wavelength conversion unit (20) is located at the focal point of the reflector element (30), the laser source unit
(10) lasing light emitter (110) and light beam regulation mechanism (130) are included, the laser beam of lasing light emitter (110) outgoing is through the light beam
Governor motion (130) adjusts the hot spot for forming designated shape, is projected on the wavelength conversion unit (20) and inspires fluorescence,
The fluorescence is emitted after the reflector element (30) reflection by assigned direction.
2. adaptive laser lighting lamp according to claim 1, it is characterised in that the laser source unit (10) and wavelength
Converting unit (20) is divided into the both sides of the reflector element (30), and the reflector element (30), which is provided with, to be used to swash through described
The thang-kng portion (310) of light beam.
3. adaptive laser lighting lamp according to claim 2, it is characterised in that the reflector element (30) is curved surface
Mirror.
4. adaptive laser lighting lamp according to claim 3, it is characterised in that light beam regulation mechanism (130) bag
Include the control unit (131) being sequentially connected, driver element (132) and zoom unit (133), the zoom unit (133) is along light
Road is located between the lasing light emitter (110) and reflector element (30), and described control unit (131) controls the driver element
(132) position of the zoom unit (133) is adjusted to change the light spot shape for the laser beam that lasing light emitter (110) is sent and big
It is small.
5. adaptive laser lighting lamp according to claim 4, it is characterised in that the zoom unit (133) includes edge
The diffusion sheet (137) and condenser lens (138) that light path is set gradually, the diffusion sheet (137) connect with the driver element (132)
Connect, the condenser lens (138) and the reflector element (30) are confocal.
6. adaptive laser lighting lamp according to claim 4, it is characterised in that the zoom unit (133) is zoom
Cylindrical mirror, the zoom cylindrical mirror are connected with the driver element (132), and the change focal plane of the zoom cylindrical mirror is located at close to institute
State the side of reflector element (30).
7. adaptive laser lighting lamp according to claim 4, it is characterised in that described control unit (131) include according to
Controlling switch (134), information detecting unit (135) and the CPU (136) of secondary connection, the CPU
(136) it is connected with the driver element (132), described information monitoring unit includes illumination detection sensor and road image gathers
Device.
8. adaptive laser lighting lamp according to claim 4, it is characterised in that the driver element (132) is using electricity
Move the combination of governor motion or manual adjustment means or both.
9. adaptive laser lighting lamp according to claim 1, it is characterised in that the laser source unit (10) also includes
Light path turnover unit (120) between the lasing light emitter (110) and light beam regulation mechanism (130).
10. adaptive laser lighting lamp according to claim 1, it is characterised in that wavelength conversion unit (20) bag
Fluorescence coating (210) and the heat dissipation base (220) being connected with the fluorescence coating (210) are included, the fluorescence coating (210) is positioned at described anti-
Penetrate the focal point of unit (30).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672285.2U CN206918708U (en) | 2017-06-09 | 2017-06-09 | A kind of adaptive laser lighting lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672285.2U CN206918708U (en) | 2017-06-09 | 2017-06-09 | A kind of adaptive laser lighting lamp |
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| CN206918708U true CN206918708U (en) | 2018-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915542A (en) * | 2020-06-23 | 2022-01-11 | 吉林省瑞中科技有限公司 | Novel handheld laser signal light |
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2017
- 2017-06-09 CN CN201720672285.2U patent/CN206918708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915542A (en) * | 2020-06-23 | 2022-01-11 | 吉林省瑞中科技有限公司 | Novel handheld laser signal light |
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