CN207486683U - Light projecting apparatus and headlamp - Google Patents
Light projecting apparatus and headlamp Download PDFInfo
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- CN207486683U CN207486683U CN201721190928.6U CN201721190928U CN207486683U CN 207486683 U CN207486683 U CN 207486683U CN 201721190928 U CN201721190928 U CN 201721190928U CN 207486683 U CN207486683 U CN 207486683U
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Abstract
The utility model discloses a kind of light projecting apparatus and headlamps, the light projecting apparatus includes laser source unit, wavelength conversion unit and reflector element, second for further including the first adjusting unit being connect with the reflector element and being connect with the laser source unit adjusts unit, the position that the first adjusting unit adjusts the reflector element makes its focus be located at the wavelength conversion unit, while the second adjusting unit position for adjusting laser source unit optical axis of laser beam for sending out laser source unit is by the focus of the reflector element.Adjust the position of reflector element and laser source unit respectively by the first adjusting unit and the second adjusting unit, the optical axis of laser beam that laser source unit is emitted is made to intersect at the focus of the reflector element with wavelength conversion unit, it effectively avoids the problem that causing the crevice projection angle of laser beam and the relative position of reflector element and wavelength conversion unit that design requirement is not achieved there are rigging error, substantially increases illuminating effect.
Description
Technical field
The utility model is related to the utility model is related to lighting technical fields, and in particular to light projecting apparatus and headlamp.
Background technology
With the development of semiconductor technology, LED (Light Emitting Diode, light emitting diode) light sources are because with height
Effect, it is energy saving, the advantages that environmentally friendly, at low cost and long lifespan, just gradually replacing traditional incandescent lamp and energy-saving lamp, becoming 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
Light distribution through the collection of car light reflector and back-end optical system (including baffle, lens etc.) finally projects required remote
Dipped beam field distribution.This kind can obtain the headlight for vehicles dipped beam of meet demand with light distribution, however when forming distance light distribution,
Due to being limited by current LED light source brightness, usually there are center illumination it is significantly inadequate the problem of, such as light of stage shine
Bright, headlight for vehicles, Projection Display etc. need the application field of super brightness light source, and LED light source is just difficult to meet the requirements.
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 emits 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 be formed in the light beam advanced in defined solid angle.And crevice projection angle, the Yi Jiche of laser beam
The relative position of lamp reflector and fluorescent material is all fixed, that is, meets fluorescent material and intersect at coke on the inside of car light reflector
At point, laser beam transparent car light reflector is projected at a certain angle on fluorescent material, is often deposited however, as in practical application
In rigging error, it is not achieved so as to cause the crevice projection angle and the relative position of car light reflector and fluorescent material of laser beam
Design requirement finally influences illuminating effect.
Utility model content
The utility model is directed to the above-mentioned problems in the prior art, provides one kind and effectively overcomes rigging error, carries
High illuminating effect light projecting apparatus and headlamp.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：Light projecting apparatus, including lasing light emitter list
Member, wavelength conversion unit and reflector element further include first connect with the reflector element and adjust unit and swash with described
The second of light source unit connection adjusts unit, and the position that the first adjusting unit adjusts the reflector element is located at its focus
At the wavelength conversion unit, while the position that the second adjusting unit adjusts the laser source unit sends out laser source unit
The optical axis of the laser beam gone out passes through the focus of the reflector element.
Further, installation base plate is further included, the laser source unit, wavelength conversion unit and reflector element are set on described
On installation base plate, the first adjusting unit and the second adjusting unit adjust the reflector element and laser source unit is opposite respectively
The position of the installation base plate.
Further, the laser source unit and wavelength conversion unit are divided into the both sides of the reflector element, described anti-
It penetrates unit and is equipped with the thang-kng portion being adapted with the laser beam.
Further, the laser source unit includes at least one lasing light emitter, a light path turnover unit and a focusing
Unit, the laser beam that the lasing light emitter is sent out are single through the reflection after the light path transfers unit and focusing unit successively
Member is simultaneously projected on the wavelength conversion unit, and described second, which adjusts unit, connects the lasing light emitter or light path turnover unit
Or the focusing unit, it adjusts the angle of inclination of the lasing light emitter or light path turnover unit or adjusts the focusing unit
Position.
Further, the laser source unit is fixed on by first support on the installation base plate, is set in first support
It is useful for fixing the first fixing piece of the lasing light emitter, for fixing the second fixing piece of light path turnover unit and be used for
The third fixing piece of the fixed focusing unit, first fixing piece, the second fixing piece or third fixing piece and described first
Stent is flexibly connected, and described second, which adjusts unit, connects first fixing piece or the second fixing piece or third fixing piece.
Further, it is described second adjusting unit connect with second fixing piece, including several second adjusting screws with
The second elastic component being sheathed in second adjusting screw, second fixing piece are equipped with size and are more than the described second adjusting
The through hole of screw, the screw hole and size that size is respectively equipped in the first support more than second adjusting screw are more than
The limit hole of second elastic component, it is backward that second adjusting screw sequentially passes through second fixing piece, the second elastic component
It is lower to be inserted into the screw hole.
Further, downward one fixed block of projection in the reflector element bottom, the installation base plate are more than equipped with size
The mounting groove of the fixed block, the fixed block are limited in the mounting groove, and described first, which adjusts unit, is set on the installation
Between slot and the fixed block, the relatively described installation base plate of the reflector element is driven to carry out six-freedom motion.
Further, it described first adjusts unit and includes X to regulating part, Y-direction regulating part and Z-direction regulating part, the X is to tune
It saves part and includes at least one piezoelectric ceramics and at least one elastic component, the piezoelectric ceramics and elastic component are respectively arranged on the fixation
Block along X to both sides, the Y-direction regulating part include at least one piezoelectric ceramics and at least one spring, the piezoelectric ceramics and
Spring is respectively arranged on both sides of the fixed block along Y-direction, and the Z-direction regulating part includes several first adjusting screws and is sheathed on institute
The first elastic component in the first adjusting screw is stated, the fixed block is equipped with the through-hole being adapted with first adjusting screw,
The screw hole and size that size is respectively equipped on the bottom surface of the mounting groove more than first adjusting screw are more than first bullet
The limit hole of property part, first adjusting screw are downwardly into the installation after sequentially passing through the fixed block, the first elastic component
In the screw hole of slot.
Further, the wavelength conversion unit includes fluorescence coating, and the fluorescence coating is fixedly arranged on institute by a support base
It states on installation base plate, the support base includes a heat-conducting piece and heat dissipation base, and the installation base plate is equipped with and the heat conduction
The through-hole that part is adapted, the heat-conducting piece lower end are fixed on the heat dissipation base, and upper end is worn from the through-hole from the bottom to top
It is connect after going out with the fluorescence coating.
The utility model also provides headlamp, including light projecting apparatus as described above.
The utility model provides a kind of light projecting apparatus and headlamp, which includes laser source unit, wave
Long converting unit and reflector element, further include connect with the reflector element first adjust unit and with the lasing light emitter list
The second of member connection adjusts unit, and the position that the first adjusting unit adjusts the reflector element makes its focus be located at the wave
At long converting unit, while the second adjusting unit position for adjusting the laser source unit makes what laser source unit sent out to swash
The optical axis of light beam passes through the focus of the reflector element.The position that the first adjusting unit adjusts the reflector element makes its coke
Point is located at the wavelength conversion unit, while the position that the second adjusting unit adjusts the laser source unit makes lasing light emitter
The optical axis for the laser beam that unit is sent out passes through the focus of the reflector element.So as to ensure the laser beam of laser source unit outgoing
Optical axis intersects at the focus of the reflector element with wavelength conversion unit, effectively avoids leading to laser beam there are rigging error
It the problem of design requirement is not achieved in the relative position of crevice projection angle and reflector element and wavelength conversion unit, substantially increases
Illuminating effect.
Description of the drawings
Fig. 1 is the structure diagram of light projecting apparatus in one specific embodiment of the utility model；
Fig. 2 is the vertical view of reflector element and installation base plate in one specific embodiment of the utility model.
Shown in figure：10th, laser source unit；110th, lasing light emitter；120th, light path turnover unit；130th, focusing unit；20th, wave
Long converting unit；210th, fluorescence coating；220th, support base；230th, heat-conducting piece；240th, heat dissipation base；30th, reflector element；310th, lead to
Light portion；320th, fixed block；40th, first unit is adjusted；41st, X is to regulating part；410th, piezoelectric ceramics；411st, spring；42nd, Y-direction is adjusted
Part；43rd, Z-direction regulating part；430th, the first adjusting screw；431st, the first elastic component；50th, second unit is adjusted；510th, it second adjusts
Screw；520th, the second elastic component；60th, installation base plate；61st, mounting groove；610th, through-hole；70th, first support；710th, it first fixes
Part；720th, the second fixing piece；730th, third fixing piece.
Specific 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 light projecting apparatus, including laser source unit 10, wavelength convert list
Member 20 and reflector element 30 further include first connect with the reflector element 30 and adjust unit 40 and reflect list with described
The second of 30 connection of member adjusts unit 50, and the position that the first adjusting unit 40 adjusts the reflector element 30 makes its focus
At the wavelength conversion unit 20, while the position that the second adjusting unit 50 adjusts the laser source unit 10 makes to swash
The optical axis for the laser beam that light source unit 10 is sent out passes through the focus of the reflector element 30, finally goes out the laser source unit 10
The optical axis for the laser beam penetrated intersects at the focal point of the reflector element 30 with the wavelength conversion unit 20.Specifically, at this
In device, on the laser beam projects to the wavelength conversion unit 30 that laser source unit 10 emits and fluorescence is inspired, it is described glimmering
Light is emitted after the reflector element 30 reflection by assigned direction, to be formed in the light beam advanced in defined solid angle, and
According to design requirement, it need to ensure that the optical axis for the laser beam that laser source unit 10 is emitted intersects at institute with the wavelength conversion unit 20
The focal point of reflector element 30 is stated, so as to ensure that the fluorescence inspired on wavelength conversion unit 20 is reflected through the reflector element 30
After form parallel light emergence, as parallel illumination light.However caused in practical applications due to inevitable rigging error
Design requirement, the utility model is not achieved in the positional precision of laser source unit 10, wavelength conversion unit 20 and reflector element 30
In, the position of the adjusting reflector element 30 of unit 40 is adjusted by setting first first, makes the focus of reflector element 30 positioned at described
At wavelength conversion unit 20, the position of laser source unit 10 is then adjusted by the second adjusting unit 50, makes wavelength conversion unit
20 are located at the focal point of reflector element 30, the optical axis of laser beam and 20 phase of wavelength conversion unit that laser source unit 10 is emitted at this time
The focal point of reflector element 30 is met at, that is, meets design accuracy requirement, substantially increases illuminating effect.Herein, it first adjusts
Section unit 40 drives the reflector element 30 to realize the adjusting of at least three degree of freedom, and the second adjusting unit 50 drives described
Laser source unit 10 realizes that at least three degree of freedom are adjusted, i.e., along X, Y, Z (or u1、v1、w1) axis is mobile and around X, Y, Z (or u1、
v1、w1) shaft rotation move at least three degree of freedom.
Please continue to refer to Fig. 1, which further includes installation base plate 60, the laser source unit 10, wavelength convert
Unit 20 and reflector element 30 are set on the installation base plate 60, and the first adjusting unit 40 and second adjusts unit 50 and distinguishes
Adjust the position of the relatively described installation base plate 60 of the reflector element 30 and laser source unit 10.
Preferably, the laser source unit 10 and wavelength conversion unit 20 are divided into the both sides of the reflector element 30, institute
It states reflector element 30 and is equipped with the thang-kng portion 310 being used for through the laser beam.Specifically, both sides herein refer to reflector element
30 along the both sides of optical path direction, and the quantity in thang-kng portion 310 can be one or more, according to lasing light emitter in laser source unit 10
110 quantity is designed, can be through-hole or equipped with can pass through laser beam transparent component through-hole or
It is the transparent component of permeable laser beam integrally formed with reflector element 30, the transparent component of the permeable laser can be
Transparent panel with optical filter, the transparent panel can penetrate laser, while the fluorescence that reflection is inspired through wavelength conversion unit 20,
It can so prevent the fluorescence being emitted through wavelength conversion unit 20 from being leaked from thang-kng portion 310.Thang-kng portion 310 is used for laser beam
Wavelength conversion unit 20 is oriented to, can be ellipse, circle or other shapes, size is adapted with the diameter of laser beam, makes
Laser beam passes through.Laser source unit 10 is mounted on opposite side of the wavelength conversion unit 20 relative to reflector element 30, convenient for root
Flexible design is carried out to the structure of laser source unit 10 and position according to the steric requirements used and is conveniently replaceable, certain lasing light emitter
Unit 10 can also be installed on the same side of 20 relative reflection unit 30 of wavelength conversion unit, can so simplify light projection dress
The structure put.
Preferably, described 30 curved mirrors of reflector element, the angle between the laser beam and the reflector element 30 are
80~90 °, the position in the thang-kng portion 310 is corresponding with the position of the laser beam, specifically, making laser beam to enter close to 90 °
The area in thang-kng portion 310 can not only be reduced by being mapped on reflector element 30, while improve laser source unit 10 and reflector element 20
Between compact in design, reduce occupied space, reduce the volume of device.
Please continue to refer to Fig. 1, the laser source unit 10 includes at least one lasing light emitter 110 and a light path turnover unit
120, the laser beam that the lasing light emitter 110 is sent out through the reflector element 30 and is thrown after the light path transfers unit 120
It is incident upon on the wavelength conversion unit 20.Specifically, the quantity of lasing light emitter 110 is according to the work(of output light in laser source unit 10
The center illumination needs of rate, particularly headlamp are designed, naturally it is also possible to directly be set multiple lasing light emitters 110, used
When select as needed work at present lasing light emitter 110 quantity, such as by switch element selected, so can be into one
Step improves degree easy to use and universal performance.Certainly, if the quantity of lasing light emitter 110 is multiple, corresponding light beam need to be set whole
Shape element or concentrating element, the laser beam for multiple lasing light emitters 110 to be sent out are converted into light beam or multi beam directional light, throw
It is incident upon on light path turnover unit 120.It is arranged in parallel there are two lasing light emitter 110 is set in the present embodiment, one of transmitting
Laser beam be directly projected on light path turnover unit 120, another lasing light emitter 110 by generate after prism multiple reflections with
The parallel light beam of emergent light is projected on light path turnover unit 120, may be otherwise that prism is substituted for other light paths is whole certainly
Shape element, as long as making, the light beam that multiple lasing light emitters 110 are sent out pools one laser beam or multi beam collimated light beam is projected to light path
It transfers on unit 120.Light path turnover unit 120 is used for laser beam into horizontal deflection, to change its direction of travel, so as to make
Whole system is compact-sized, and plane mirror or curved reflector may be used in light path turnover unit 120, can also use metal
Film or deielectric-coating etc. can achieve the effect that identical.The quantity in the thang-kng portion 310 is one or more, specifically, when swashing
When there are one light sources 110, thang-kng portion 310 is also correspondingly provided with 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 there are one, at this point, multiple lasing light emitters 110 emit light beam share a thang-kng portion 310；
Certainly thang-kng portion 310 can also be equipped with multiple, be corresponded with lasing light emitter 110, and each thang-kng portion 310 is used to that lasing light emitter will to be corresponded to
The laser beam of 110 transmittings is oriented to wavelength conversion unit 20.In the present embodiment, lasing light emitter 110 is preferably semiconductor laser,
That is laser diode has the characteristics that small, long lifespan, further reduced the volume of device, improves service life and steady
It is qualitative.Semiconductor laser used herein can have the element of 1 luminous point on 1 chip or at 1
There is the element of multiple luminous points on chip.Preferably, the laser source unit 10 is further included positioned at light path turnover unit
Focusing unit 130 between 120 and reflector element 30.Specifically, condenser lens or other focusing may be used in focusing unit 130
Element for converging laser beam, makes it be projected on wavelength conversion unit 20 better by thang-kng portion 310.
In the present embodiment, laser source unit 10 is fixed on by stent 70 on the installation base plate 60, and stent 70 is equipped with
The first fixing piece 710 for fixing the lasing light emitter 110, the second fixing piece for fixing the light path turnover unit 120
720 and the third fixing piece 730 for fixing the focusing unit 130, first fixing piece 710, the second fixing piece 720
Or third fixing piece 730 is flexibly connected with the stent 70, it is described second adjusting unit 50 connect first fixing piece 710 or
Second fixing piece 720 or third fixing piece 730, certain second adjusting unit 50 can connect the first fixing piece 710, second simultaneously
Fixing piece 720 or the two in third fixing piece 730 or three realize to lasing light emitter 110, light path turnover unit 120, gather
The two or three in burnt unit 130 adjust simultaneously, and certainly, in order to simplify apparatus structure and adjust complexity, second adjusts
Section unit 50 need to adjust one of which, can equally reach design accuracy, wherein adjusting the difficulty of light path turnover unit 120
Spend minimum, most simple, the most pronounced effects of operation.First fixing piece 710, the second fixing piece 720 or third fixing piece 730 at this time
One of which is needed to be flexibly connected with stent 70, in addition the two can be directly anchored on stent 70, to simplify structure, reduce installation
Difficulty.Certainly, it may be otherwise without using stent 70, lasing light emitter 110, light path turnover unit 120 and focusing unit 130 distinguished
It is movably installed on installation base plate 60 by fixing piece, then corresponding fixing piece is driven to realize six by the second adjusting unit 50
Degree of freedom is adjusted.
Preferably, described second combination of the unit 50 using electric adjusting mechanism or manual adjustment means or both is adjusted,
Wherein electric adjusting mechanism can be motor or cylinder or piezoelectric ceramics, and manual adjustment means can be the second adjusting screw 510
Or spring, flexible gasket, silica gel, rubber may be used in the combination of adjusting screw rod and the second elastic component 520, second elastic component 520
Glue etc..In the present embodiment, the second adjusting unit 50 is connect with the second fixing piece 720, and the position of light path turnover unit 120 is carried out
It adjusts, the unit 120 of light path turnover herein is plane mirror, and the second fixing piece 720 is using consolidating more than the plane mirror
Fixed board, specifically, in the present embodiment, the length or width or length and width of fixed plate are all higher than plane mirror, to avoid using screw
It needs guiding through plane mirror when being fixed in first support 70 and damages, plane mirror is removably fixed in described solid
On fixed board, such as covered in fixed plate by technique for sticking or be set in fixed plate by components such as transparent buckles, it can also
Other modes are used, as long as can realize the effect being detachably fixed while not influence laser beam regular reflection.Such as Fig. 1 institutes
Show, first support 70 is to be spliced by several installing plates and had with 30 corresponding side of reflector element and top the sky of opening
Heart shell structure, certain first support 70 can also use other structures, as long as identical effect can be realized.Lasing light emitter
110 are installed on by the first fixing piece 710 in the hollow shell structure, and the second fixing piece 720 is that fixed plate inclination is installed on branch
70 top of frame, with being connect above two pieces of installing plates by the second adjusting unit 50 before and after the hollow shell structure, fixed plate
Angle of inclination is set according to the position of the laser beam exits angle of lasing light emitter 110 and reflector element 30, in Fig. 1, fixed plate with
The angle of horizontal direction is 20~30 degree, and the second adjusting unit 50 includes several second adjusting screws 510 and is sheathed on institute
State the spring 411 in the second adjusting screw 510, in the present embodiment, the second adjusting screw 510 is equipped with 4, is divided into fixed plate
Four angles, avoid the position of plane mirror, stent 70 be equipped with the screw hole that is respectively greater than second adjusting screw 510 and
The limit hole being adapted with the spring 411, the radius of screw hole are less than the radius of limit hole, and from position screw hole from
It is extended downwardly after being pierced by limit hole, fixed plate is equipped with the through hole that size is more than second adjusting screw 510, is installing
When, spring 411 is placed in limit hole, the second adjusting screw 510 is from top to bottom then sequentially inserted into the through hole and bullet
Spring 411, and screw in screw hole downwards, when adjusting, adjust second adjusting screw 510 at four angles respectively as needed
It realizes the adjusting to plane mirror six degree of freedom, need to only carry out four-degree-of-freedom adjusting herein, i.e., along w1To movement and around
u1、v1、w1Shaft rotation is moved, and laser beam is made smoothly through the focal point for being projected to reflector element 30 behind thang-kng portion 310, to adjust completion
It is fixed afterwards by the second adjusting screw 510.Fixed plate can certainly be movably arranged at stent 70 by hinge etc.
On, then fixed plate and plane mirror is driven to realize that six degree of freedom is adjusted using motor or other electric adjusting mechanisms.It focuses on
Unit 130 is installed on stent 70 close to the side of reflector element 30 by third fixing piece 730.
Please emphasis with reference to Fig. 1-2, downward one fixed block 320 of projection in 30 bottom of reflector element, the installation base plate 60
The mounting groove 61 that size is more than the fixed block 320 is equipped with, the fixed block 320 is limited in the mounting groove 61, described
First, which adjusts unit 40, is set between the mounting groove 61 and the fixed block 320, drives the reflector element 30 relatively described
Installation base plate 60 carries out six-freedom motion.Preferably, described first unit 40 is adjusted using electric adjusting mechanism or manual tune
Save the combination of mechanism or both, in the present embodiment, the first adjusting unit 40 is combined using motorized adjustment with mechanical adjustment
Mode, including X to regulating part 41, Y-direction regulating part 42 and Z-direction regulating part 43.Wherein, the X includes at least to regulating part 41
One piezoelectric ceramics 410 and at least one spring 411, the piezoelectric ceramics 410 and spring 411 are respectively arranged on the fixed block
320 along X to both sides, specifically, by control be located at X thereto 410 voltage of piezoelectric ceramics of side and frequency so as to control
Its deflection, while X can also occur to deform accordingly to the spring 411 of opposite side, so as to play adjust the X of fixed block 320 to
The effect of position.The Y-direction regulating part 42 includes at least one piezoelectric ceramics 410 and at least one spring 411, the piezoelectricity pottery
Porcelain 410 and spring 411 are respectively arranged on both sides of the fixed block 320 along Y-direction, specifically, being located at Y-direction wherein side by control
410 voltage of piezoelectric ceramics and frequency so as to control its deflection, while the spring 411 of Y-direction opposite side can also occur accordingly
Deformation, so as to play the effect for the Y-direction position for adjusting fixed block 320.In Fig. 1-2, X is into regulating part 41 and Y-direction regulating part 42
A piezoelectric ceramics 410 and a spring 411 are respectively equipped with, multiple piezoelectricity can also be set according to adjusting stability needs certainly
Ceramics 410 and multiple springs 411, and the quantity of piezoelectric ceramics 410 and spring 411 is without one-to-one correspondence, it can be with wherein one
Side sets multiple piezoelectric ceramics 410, sets a spring 411 in opposite side or side sets a piezoelectric ceramics wherein
410, in another multiple spring 411 of setting, in addition, above-mentioned spring 411 can also use other extensible members, such as there is elasticity
Metal gasket or silica gel etc..The Z-direction regulating part 43 includes several first adjusting screws 430 and set on the fixed block 320
The first elastic component 431 between bottom and the mounting groove 61, the fixed block 320 are equipped with and first adjusting screw
430 through-holes being adapted, the bottom surface of the mounting groove 61 are respectively equipped with the screw hole that size is more than first adjusting screw 430
With size be more than first elastic component 431 limit hole, first adjusting screw 430 sequentially pass through the fixed block 320,
It is downwardly into after first elastic component 431 in the screw hole of the mounting groove 61.Herein the first elastic component 431 may be used spring 411,
Metal gasket or silica gel, in the present embodiment, Y-direction regulating part 43 is equipped with four groups, corresponding with four angles of fixed plate 31 respectively,
To fixed block 320 carry out X to and Y-direction adjust after, as needed respectively adjust four angles the first adjusting screw 430
It realizes the adjusting to 320 four-degree-of-freedom of fixed block, i.e., moved along Y-direction and is rotated around X, Y, Z axis, make the focus position of reflector element 30
In on the optical axis of laser beam, even if laser beam is smoothly through the focal point that reflector element 30 is projected to behind thang-kng portion 310.Certainly
Mounting groove 61 can not also be opened up on installation base plate 60, X directly uses motor or gas to regulating part 41 and Y-direction regulating part 42
Cylinder, by motor or cylinder drive respectively fixed block 320 along X to or Y-direction move, realize X to Y to adjusting, then use
The Z-direction regulating part 43 of above structure realizes the adjusting of 320 four-degree-of-freedom of fixed block, i.e., moves along Y-direction and rotated around X, Y, Z axis,
It adjusts and is fixed after completing by the first adjusting screw 430.
Preferably, the wavelength conversion unit 20 includes fluorescence coating 210, and the fluorescence coating 210 passes through a support base 220
It is fixedly arranged on the installation base plate 60, the support base 220 includes a heat-conducting piece 230 and heat dissipation base 240, the heat-conducting piece
230 lower ends are fixed on the heat dissipation base 240, and upper end is pierced by the rear and fluorescence coating from the through-hole 610 from the bottom to top
210 connections.Fluorescence coating 210 is removably fixed in 230 upper end of heat-conducting piece on installation base plate 60, and 230 lower end of heat-conducting piece is fixed on scattered
On hot pedestal 240, the heat generated on fluorescence coating 210 is distributed, heat-conducting piece 230 is using thermal conductivity high metal or ceramics
Material is made, and is such as made of copper, and thermal conductivity is good, at low cost.
The utility model additionally provides a kind of headlamp, including above-mentioned light projecting apparatus, can also include being located at institute certainly
The baffle and projecting lens at light projecting apparatus i.e. 30 light-emitting window of reflector element are stated, an integral illumination lamp is formed, as vehicle
Headlamp or other lighting areas.
In conclusion the utility model provides a kind of light projecting apparatus and headlamp, including laser source unit 10, wavelength
Converting unit 20 and reflector element 30, further include first connect with the reflector element 30 adjust unit 40 and with it is described anti-
It penetrates the second of the connection of unit 30 and adjusts unit 50, the position that the first adjusting unit 40 adjusts the reflector element 30 makes its coke
Point is located at the wavelength conversion unit 20, while the position that the second adjusting unit 50 adjusts the laser source unit 10 makes
The optical axis for the laser beam that laser source unit 10 is sent out passes through the focus of the reflector element 30, and the first adjusting unit 40 is adjusted
The position of the reflector element 30 makes its focus be located at the wavelength conversion unit 20, while the second adjusting unit 50 is adjusted
The optical axis of laser beam that saving the position of the laser source unit 10 sends out laser source unit 10 passes through the coke of the reflector element
Point, so as to ensure that the optical axis of laser beam that laser source unit 10 is emitted intersects at the reflector element 30 with wavelength conversion unit 20
Focus, effectively avoid the crevice projection angle for leading to laser beam there are rigging error and reflector element 30 and wavelength convert list
The problem of design requirement is not achieved in the relative position of member 20, substantially increase illuminating effect.
Although the embodiment of the 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
It changes and change should be included in the scope of protection of the utility model.
Claims (10)
1. light projecting apparatus, including laser source unit, wavelength conversion unit and reflector element, which is characterized in that further include and institute
Second for stating the first adjusting unit of reflector element connection and being connect with the laser source unit adjusts unit, and described first adjusts
The position that section unit adjusts the reflector element makes its focus be located at the wavelength conversion unit, while described second adjusts list
The optical axis of laser beam that the position that member adjusts the laser source unit sends out laser source unit passes through the coke of the reflector element
Point.
2. light projecting apparatus according to claim 1, which is characterized in that further include installation base plate, the laser source unit,
Wavelength conversion unit and reflector element are set on the installation base plate, and the first adjusting unit and the second adjusting unit are adjusted respectively
Save the position of the relatively described installation base plate of the reflector element and laser source unit.
3. light projecting apparatus according to claim 2, which is characterized in that the laser source unit and wavelength conversion unit point
Set on the both sides of the reflector element, the reflector element is equipped with the thang-kng portion being adapted with the laser beam.
4. light projecting apparatus according to claim 3, which is characterized in that the laser source unit includes at least one laser
Source, a light path turnover unit and a focusing unit, the laser beam that the lasing light emitter is sent out are transferred successively by the light path
The reflector element is penetrated after unit and focusing unit and is projected on the wavelength conversion unit, described second, which adjusts unit, connects
The lasing light emitter or light path turnover unit or the focusing unit are connect, adjusts the lasing light emitter or light path turnover unit
Angle of inclination or adjust the position of the focusing unit.
5. light projecting apparatus according to claim 4, which is characterized in that the laser source unit is fixed by first support
In on the installation base plate, first support is equipped with for fixing the first fixing piece of the lasing light emitter, for fixing the light
The second fixing piece and third fixing piece for fixing the focusing unit of road turnover unit, first fixing piece, the
Two fixing pieces or third fixing piece are flexibly connected with the first support, and described second, which adjusts unit, connects first fixing piece
Or second fixing piece or third fixing piece.
6. light projecting apparatus according to claim 5, which is characterized in that described second adjusts unit fixes with described second
Part connects, solid including several second adjusting screws and the second elastic component being sheathed in second adjusting screw, described second
Determine the through hole that part is more than second adjusting screw equipped with size, size is respectively equipped in the first support more than described
The screw hole and size of second adjusting screw are more than the limit hole of second elastic component, and second adjusting screw sequentially passes through
It is downwardly into the screw hole after second fixing piece, the second elastic component.
7. light projecting apparatus according to claim 3, which is characterized in that the downward projection one in reflector element bottom is fixed
Block, the installation base plate are equipped with the mounting groove that size is more than the fixed block, and the fixed block is limited in the mounting groove,
Described first, which adjusts unit, is set between the mounting groove and the fixed block, drives the relatively described installation base of the reflector element
Plate carries out six-freedom motion.
8. light projecting apparatus according to claim 7, which is characterized in that it is described first adjust unit include X to regulating part,
Y-direction regulating part and Z-direction regulating part, the X include at least one piezoelectric ceramics and at least one elastic component, the pressure to regulating part
Electroceramics and elastic component be respectively arranged on the fixed block along X to both sides, the Y-direction regulating part include at least one piezoelectric ceramics
With at least one spring, the piezoelectric ceramics and spring are respectively arranged on both sides of the fixed block along Y-direction, the Z-direction regulating part
Including several first adjusting screws and the first elastic component for being sheathed in first adjusting screw, the fixed block be equipped with
The through-hole that first adjusting screw is adapted is respectively equipped with size on the bottom surface of the mounting groove and spiral shell is adjusted more than described first
Silk screw hole and size be more than first elastic component limit hole, first adjusting screw sequentially pass through the fixed block,
It is downwardly into after first elastic component in the screw hole of the mounting groove.
9. light projecting apparatus according to claim 2, which is characterized in that the wavelength conversion unit includes fluorescence coating, institute
It states fluorescence coating to be fixedly arranged on the installation base plate by a support base, the installation base plate is equipped with size and is more than the support
The through-hole of pedestal wherein one end, the support base include a heat-conducting piece and heat dissipation base, and institute is fixed in the heat-conducting piece lower end
It states on heat dissipation base, upper end is connect after being pierced by from the through-hole from the bottom to top with the fluorescence coating.
10. headlamp, which is characterized in that including claim 1~9 any one of them light projecting apparatus.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720688393 | 2017-06-13 | ||
| CN2017206883939 | 2017-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207486683U true CN207486683U (en) | 2018-06-12 |
Family
ID=62482257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721190928.6U Expired - Fee Related CN207486683U (en) | 2017-06-13 | 2017-09-15 | Light projecting apparatus and headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207486683U (en) |
-
2017
- 2017-09-15 CN CN201721190928.6U patent/CN207486683U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20200915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |