CN107632488A - A kind of fluorescence colour wheel excitation apparatus and its projection module - Google Patents
A kind of fluorescence colour wheel excitation apparatus and its projection module Download PDFInfo
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- CN107632488A CN107632488A CN201711049664.7A CN201711049664A CN107632488A CN 107632488 A CN107632488 A CN 107632488A CN 201711049664 A CN201711049664 A CN 201711049664A CN 107632488 A CN107632488 A CN 107632488A
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- colour wheel
- fluorescence colour
- drive device
- driving means
- fluorescence
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
Abstract
Embodiment of the present invention is related to field of projection display, more particularly to a kind of fluorescence colour wheel excitation apparatus and projection module, including：Fluorescence colour wheel, first driving means, mobile bar, the second drive device, base and excitation source；The phosphor powder layer that fluorescence colour wheel includes colour wheel substrate and colour wheel substrate surface coats；The output axis connection of the output axis connection of colour wheel substrate and first driving means, one end connection first driving means of mobile bar, the other end of mobile bar and the second drive device, the second drive device are installed on base；Using the fluorescence colour wheel of rotation as with reference to body, the fluorescence colour wheel that excitation source irradiation rotates forms spot tracks on phosphor powder layer surface, moves in parallel fluorescence colour wheel by the second drive device, and then changes spot tracks.By the above-mentioned means, embodiment of the present invention can make the footpath journey of spot tracks elongated, the phosphor powder layer of fluorescence wheel surface is fully utilized, improve the service life of fluorescence colour wheel.
Description
Technical field
The present invention relates to field of projection display, more particularly to a kind of fluorescence colour wheel excitation apparatus and its projection module.
Background technology
For laser projection device, iridescent wheel is separation and processing color as common Wavelength converter
One integral.Light source module group includes excitation source and the fluorescence colour wheel in the excitation source light path, original caused by fluorescence
Reason is the laser of excitation source transmitting when being irradiated on fluorescence colour wheel, on fluorescence colour wheel as fluorescent material can absorb exciting light and produce
The different light beam that is stimulated of raw wavelength, while the drive device on fluorescence colour wheel can drive colour wheel to rotate at a high speed, so that exciting light
Be irradiated to send different colours on the fluorescent material of colour wheel different zones be excited light beam, as red is excited light beam, green stimulated light
Beam and blueness are excited light beam, and these different colours are excited light beam and can synthesize and carry out a branch of synthesis light beam for showing of image projection.
Fig. 1 is that conventional color wheel excites hot spot schematic diagram；As shown in figure 1, conventional color wheel 1 rotates, excitation source irradiation excites
The spot tracks 3 that stratiform material for transformation of wave length 2 (conventional by phosphor powder layer) on colour wheel is formed are annular shape, work as excitation source
Stratiform material for transformation of wave length 2 on the annulus being aligned is excited be lost after, colour wheel 1, which is then scrapped, to be stopped using, and causes substrate
Waste etc. resource also make it that the life-span of colour wheel is very limited.Therefore it provides a kind of excite track or excite track girth more
Grown with respect to annulus, the stratiform material for transformation of wave length of wheel surface is fully utilized, and then improve the fluorescence in colour wheel life-span
Color wheel device, turn into those skilled in the art's urgent need to solve the problem.
The content of the invention
Embodiment of the present invention can change the fluorescence colour wheel for exciting track mainly solving the technical problems that offer is a kind of
Excitation apparatus.
In order to solve the above technical problems, the technical scheme that embodiment of the present invention uses is：
On the one hand, the present invention provides a kind of fluorescence colour wheel excitation apparatus and its projection module, including：Fluorescence colour wheel, first
Drive device, mobile bar, the second drive device, base and excitation source；The fluorescence colour wheel includes colour wheel substrate and colour wheel
The phosphor powder layer of substrate surface coating；The output axis connection of the colour wheel substrate and first driving means, the one of the mobile bar
The output axis connection of end connection first driving means, the other end of the mobile bar and the second drive device, second driving
Device is installed on the base；During the first driving means work, the output shaft of the fluorescence colour wheel and first driving means
Synchronous axial system, when second drive device works, the output shaft of second drive device passes through mobile bar driving first and driven
Dynamic device synchronous translational；The excitation source is used to irradiate the fluorescence colour wheel rotated by the first driving means, with rotation
The fluorescence colour wheel is with reference to body, and spot tracks are formed on the phosphor powder layer surface, and irradiation is filled by the described second driving
The fluorescence colour wheel that horizontalization moves is so as to changing the spot tracks.
Alternatively, the first driving means and the second drive device time-sharing work；The first driving means work, the
Two drive devices do not work, and first driving means are used to drive fluorescence colour wheel around the output shaft rotation of first driving means, described
Excitation source is used for the fluorescence colour wheel for being radiated at first position rotation, using the fluorescence colour wheel of rotation as reference body, described
Phosphor powder layer region forms the first spot tracks；The first driving means do not work, the second drive device work, described
Second drive device is used to drive fluorescence colour wheel to move to the second place by mobile bar, and second drive device stops work
Make；The first driving means work, second drive device do not work, and the excitation source is used to be radiated at the second place
The fluorescence colour wheel of rotation, using the fluorescence colour wheel of rotation as with reference to body, the second hot spot rail is formed in the phosphor powder layer region
Mark.
Alternatively, second drive device is preset with step pitch, and the step pitch is that the second drive device is driven by mobile bar
The constant distance of dynamic fluorescence colour wheel movement, and the numerical value of the step pitch is equal to the width of spot tracks；The second driving dress
Put and drive fluorescence colour wheel to translate a step pitch to the second place from first position by mobile bar, first spot tracks and the
There is no gap between two spot tracks.
Alternatively, the first driving means work simultaneously with the second drive device；The first driving means are used to drive
Dynamic fluorescence colour wheel persistently rotates around the output shaft of first driving means；While the first driving means work, described
Two drive devices drive fluorescence colour wheel to translate by mobile bar；Second drive device drives fluorescence colour wheel court by mobile bar
When first direction moves to three positions, second drive device drives fluorescence colour wheel court and first direction phase by mobile bar
Anti- second direction moves to the 4th position；Second drive device drives fluorescence colour wheel to be put down towards second direction by mobile bar
When moving to four positions, the second drive device drives fluorescence colour wheel to be put down towards the first direction opposite with second direction by mobile bar
Move to the 3rd position；The excitation source comes and goes irradiation phosphor powder layer, using the fluorescence colour wheel of rotation as reference body, described
Phosphor powder layer region forms the 3rd spot tracks；The outline of 3rd spot tracks is shaped as non-circular, or/and,
Non-cylindrical cylinder.
Alternatively, the speed of the first driving means and the second drive device is adjustable.
Alternatively, the outline of the colour wheel substrate be shaped as it is discoid；The output shaft of second drive device
It is axially vertical with the output shaft of first driving means.
Alternatively, the outline of the colour wheel substrate is shaped as hollow bottomless cylindrical shape；The second driving dress
The axial direction for the output shaft put is parallel with the output shaft of first driving means.
Alternatively, the fluorescence colour wheel excitation apparatus also includes reflecting optics；The reflecting optics are relative to excitation source
It is fixed；After the beam excitation phosphor powder layer that the excitation source is sent, irradiate the reflecting optics reflecting surface reflect after
Projected on the inside of from fluorescence colour wheel.
Alternatively, the output shaft of the first driving means and the central axis of colour wheel substrate.
On the other hand, the present invention provides a kind of projection module, and the projection module swashs including fluorescence colour wheel as described above
Transmitting apparatus.
The beneficial effect of embodiment of the present invention is：Be different from the situation of prior art, the embodiment of the present invention it is a kind of glimmering
Photochromic wheel excitation apparatus includes fluorescence colour wheel, first driving means, mobile bar, the second drive device, base and excitation source,
Fluorescence colour wheel is moved in parallel by the second drive device, and then changes spot tracks, makes the footpath journey of spot tracks elongated, makes glimmering
The phosphor powder layer of photochromic wheel surface is fully utilized, and improves the service life of fluorescence colour wheel.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, and these are exemplary
Illustrate not form the restriction to embodiment, the element with same reference numbers label is expressed as similar member in accompanying drawing
Part, unless there are special statement, composition does not limit the figure in accompanying drawing.
Fig. 1 is conventional to excite hot spot schematic diagram；
Fig. 2 is the structural representation of fluorescence colour wheel excitation apparatus provided in an embodiment of the present invention；
Fig. 3 is the structural representation of fluorescence colour wheel provided in an embodiment of the present invention；
Fig. 4 is the motion schematic diagram of fluorescence colour wheel excitation apparatus provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of spot tracks provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of spot area provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram of another spot tracks provided in an embodiment of the present invention；
Fig. 8 is the structural representation for the fluorescence colour wheel excitation apparatus that another embodiment of the present invention provides；
Fig. 9 is the structural representation for the fluorescence colour wheel that another embodiment of the present invention provides；
Figure 10 is the motion schematic diagram for the fluorescence colour wheel excitation apparatus that another embodiment of the present invention provides；
Figure 11 is the schematic diagram for the spot tracks that another embodiment of the present invention provides；
Figure 12 is the schematic diagram for the spot area that another embodiment of the present invention provides；
Figure 13 is the schematic diagram for another spot tracks that another embodiment of the present invention provides；
Figure 14 is the structural representation for the reflecting optics that another embodiment of the present invention provides.
Embodiment
For the ease of understanding the present invention, with reference to the accompanying drawings and detailed description, the present invention is carried out in more detail
It is bright.It should be noted that when element is expressed " being fixed on " another element, it can directly on another element or
There may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be straight
Another element is connected in succession or there may be one or more elements placed in the middle therebetween.Term used in this specification
" vertically ", " horizontal ", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, technology all used in this specification and scientific terminology are led with belonging to the technology of the present invention
The implication that the technical staff in domain is generally understood that is identical.Used term is simply in the description of the invention in this specification
The purpose of description specific embodiment, it is not intended to the limitation present invention.Term "and/or" includes used in this specification
The arbitrary and all combination of one or more related Listed Items.
Referring to Fig. 2, embodiment of the present invention provides a kind of fluorescence colour wheel excitation apparatus 100, including fluorescence colour wheel 10, the
One drive device 20, mobile bar 30, the second drive device 40, base 50 and excitation source 60.The fluorescence colour wheel 10 and
The output axis connection of one drive device 20, one end of the mobile bar 30 are connected with first driving means 20, its other end and
The output axis connection of two drive devices 40, second drive device 40 are installed on base 50, the excitation source 60 relative to
Base 50 is fixedly installed.
Referring to Fig. 3, the phosphor powder layer that above-mentioned fluorescence colour wheel 10 includes colour wheel substrate 11 and the surface of colour wheel substrate 11 coats
12.Being shaped as the outline of the colour wheel substrate 11 is discoid, and the phosphor powder layer 12 is by the of the surface of colour wheel substrate 11
The region for being shaped as annulus of the outline for the predetermined width that one annulus Q1 and the second annulus Q2 are surrounded.
The output shaft of above-mentioned first driving means 20 is rotary shaft, i.e., when first driving means 20 work, described first drives
The output shaft of dynamic device 20 rotates relative to first driving means 20, such as, DC brushless motor.
Above-mentioned mobile bar 30 is rigid bar.
The output shaft of above-mentioned second drive device 40 is translation shaft, i.e., the output shaft of described second drive device 40 can be put down
Moved in face with any direction, such as, two linear electric machines.
In the present embodiment, when the second drive device 40 works, the output shaft of second drive device 40 is relative to the
Two drive devices 40 move along a straight line.The range of the output shaft of second drive device 40 is less than or equal to the first annulus
The width (i.e. the semidiameter of the first annulus and the second annulus) for the annular region that Q1 and the second annulus Q2 are surrounded.
Above-mentioned base 50 is used to install the second drive device 40 and support fluorescence colour wheel 10.
Above-mentioned excitation source 60 is LASER Light Source, and in certain embodiments, the excitation source 60 is LED light source.
Above-mentioned base 50 is used to support fluorescence colour wheel 10.
During specific assembling, the central shaft of the colour wheel substrate 11 of the fluorescence colour wheel 10 and the output shaft of first driving means 20
It is coaxially connected, the first driving means 20 be located at fluorescence colour wheel 10 away from the side of phosphor powder layer 12；I.e. described first drives
During the output shaft rotation of dynamic device 20, by driving fluorescence colour wheel 10 around its central axis synchronous axial system.The one of the mobile bar 30
Hold and be connected with first driving means 20 away from the side of fluorescence colour wheel 10, the other end and the second drive device of the mobile bar 30
40 output axis connection, the output shaft for being axially perpendicular to the second drive device 40 of the output shaft of the first driving means 20
Axially, second drive device 40 is installed on base 50；When the output shaft linear motion of the second drive device 40, will pass through
Mobile bar 30 drives the motion of the synchronous linear of first driving means 20.The position of the excitation source 60 is fixed relative to base 50,
The excitation source 60 is right against phosphor powder layer 12, i.e., when described excitation source 60 works, the center of excitation source 60 irradiation fluorescence
The light of bisque 12 is vertical relative to the surface of phosphor powder layer 12.
Referring to Fig. 4, during specific works, the output shaft rotation of the first driving means 20, driving fluorescence colour wheel 10 around
Its central axis synchronous axial system, on the other hand, the output shaft linear motion of second drive device 40, driven by mobile bar 30
The dynamic synchronous linear of first driving means 20 motion.
Motion reference system is established to fluorescence colour wheel excitation apparatus 100, is to be shone with reference to body, excitation source 60 with excitation source 60
Penetrate phosphor powder layer 12 and form hot spot S1, hot spot S1 shape is relevant with the shape of the exiting surface of excitation source 60.With the glimmering of rotation
Photochromic wheel 10 is with reference to body, and one week is rotated as a cycle with fluorescence colour wheel 10, described within the one or more cycle
The collection that excitation source 60 irradiates the formation hot spot of phosphor powder layer 12 S1 is combined into spot tracks.
The drive device 40 of first driving means 20 and second can work simultaneously can also time-sharing work, i.e., it is described glimmering
The mode of operation of photochromic wheel excitation apparatus 100 is divided into two kinds：
The time-sharing work of 20 and second drive device of first driving means 40.
Referring to Fig. 5, first driving means 20 work, the second drive device 40 does not work, and the fluorescence colour wheel 10 is located at
First position, first driving means 20 are used to drive fluorescence colour wheel 10 around the output shaft rotation of first driving means 40.It is described to swash
Light emitting source 60 is used for the fluorescence colour wheel 10 for being radiated at first position rotation, is with reference to body, in fluorescence with the fluorescence colour wheel 10 of rotation
The region of bisque 12 forms the first spot tracks G1.
The first driving means 20 do not work, and the second drive device 40 works, and the second drive device 40 passes through mobile bar
30 driving fluorescence colour wheels 10 move to the second place, and the second drive device 40 is stopped.
The first driving means 20 work, and the second drive device 40 does not work, and the excitation source 60 is used to be radiated at
The fluorescence colour wheel 10 that the second place rotates, it is with reference to body with the fluorescence colour wheel 10 of rotation, the second light is formed in phosphor powder layer region
Spot track G2 (or G2'), realizes that multi-trace excites, and makes full use of phosphor powder layer 12.
Referring to Fig. 6, further, in above-mentioned mode of operation, the second drive device 40 is preset with step pitch d1, the step
Drive the constant distance of the movement of fluorescence colour wheel 10, and the number of the step pitch d1 by mobile bar 30 for the second drive device 40 away from d1
Width of the value equal to spot tracks (relative to iridescent wheel radial).Second drive device 40 drives iridescent by mobile bar 30
Wheel 10 translates a step pitch d1 to the second place from first position, the first spot tracks G1 and the second spot tracks G2's (or G2)
Width is equal to step pitch d1 numerical value, and does not have gap between the first spot tracks G1 and the second spot tracks G2 or (G2').To
Two drive devices 40 set step pitch d1, realize that spot tracks cover phosphor powder layer 12 substantially, the utilization of phosphor powder layer 12 is more filled
Point.
First driving means 20 work simultaneously with the second drive device 40.
Referring to Fig. 7, first driving means 20 are used to drive fluorescence colour wheel 10 to hold around the output shaft of first driving means 20
It is continuous to rotate.
While first driving means 20 work, the second drive device 20 drives fluorescence colour wheel 10 flat by mobile bar 30
Move.
Second drive device 40 by mobile bar 30 drive fluorescence colour wheel 10 towards first direction move to three positions when, the
Two drive devices 40 drive fluorescence colour wheel 10 to move to the 4th towards the second direction opposite with first direction by mobile bar 30
Put.
Second drive device 40 by mobile bar 30 drive fluorescence colour wheel 10 towards second direction move to four positions when, the
Two drive devices 40 drive fluorescence colour wheel 10 to move to the 3rd towards the first direction opposite with second direction by mobile bar 30
Put.
The excitation source 60 comes and goes irradiation phosphor powder layer 12 region, is reference body with the fluorescence colour wheel 10 of rotation,
The 3rd spot tracks G3 is formed in the region of phosphor powder layer 12.
The outline of the 3rd spot tracks G3 is shaped as non-circular, realizes the footpath for increasing spot tracks
Journey.
Further, the output shaft of the velocity of rotation of the output shaft of the first driving means 20 and the second drive device 40
Movement speed it is adjustable, the speed size to be moved back and forth due to the second drive device 40 in the 3rd position and the 4th position
And it is non-constant, if the output shaft rotation of the first driving means 20 required time of one week is T1, if the second drive device 40
The time that output shaft is repeated once needed for reciprocating motion is T2, then T1 and T2 ratio is about small, and the footpath journey of spot tracks is longer, example
Such as G4；T1 and T2 ratio is about big, and the footpath journey of spot tracks is shorter, such as G4'.By adjusting first driving means 20 and second
The speed of drive device 40 can make spot tracks more crypto set, and phosphor powder layer 12 utilizes must be more abundant.
Referring to Fig. 8, what the fluorescence colour wheel excitation apparatus 200 that another embodiment of the present invention provides provided with above-described embodiment
Fluorescence colour wheel excitation apparatus 100 is essentially identical, and difference is that the fluorescence colour wheel 70 of the fluorescence colour wheel excitation apparatus 200 is different.
Referring to Fig. 9, the phosphor powder layer that the fluorescence colour wheel 70 includes colour wheel substrate 71 and the surface of colour wheel substrate 71 coats
72.The outline of the colour wheel substrate 71 is shaped as hollow bottomless cylindrical shape, the cylinder cylinder S2 surfaces coating
There is phosphor powder layer 62, phosphor powder layer 72 is preset for what is surrounded as described in cylinder cylinder S2 the first annulus Q3 and the second annulus Q4
The outline of width is the region on the face of cylinder.
During specific assembling, the central shaft of the colour wheel substrate 71 of the fluorescence colour wheel 70 and the output shaft of first driving means 20
Coaxially, the non-fluorescence bisque that the output shaft of the first driving means 20 passes through contiguous block (not shown) connecting cylinder scapus face S4
72 regions；During the output shaft rotation of i.e. described first driving means 20, driving fluorescence colour wheel 70 is synchronously turned around its central axis
It is dynamic.One end of the mobile bar 30 is connected with first driving means 20, the other end and the second drive device of the mobile bar 30
40 output axis connection, the output for being axially parallel to second drive device 40 of the output shaft of the first driving means 20
The axial direction of axle, second drive device 40 are installed on base 50；, will when the output shaft linear motion of the second drive device 40
The synchronous linear of first driving means 20 is driven to move by mobile bar 30.The position of the excitation source 60 is solid relative to base 50
Fixed, the excitation source 60 is located at the side of the phosphor powder layer 72 of colour wheel substrate 71, when the excitation source 60 works, exciting light
Central shaft of the light of the center of source 60 irradiation phosphor powder layer 72 perpendicular to fluorescence colour wheel 70.
Referring to Fig. 10, during specific works, the output shaft rotation of the first driving means 20, driving fluorescence colour wheel 70 around
The synchronous axial system of its central axis 60, on the other hand, the output shaft linear motion of second drive device 40, pass through mobile bar 30
Drive the motion of the synchronous linear of first driving means 20.The first driving means 20 can work simultaneously with the second drive device 40
Can also time-sharing work, the mode of operation of the fluorescence colour wheel excitation apparatus 200 is divided into two kinds：
The time-sharing work of 20 and second drive device of first driving means 40.
Figure 11 is referred to, first driving means 20 work, and the second drive device 40 does not work, and the fluorescence colour wheel 10 is located at
First position (not shown), first driving means 20 are used to drive fluorescence colour wheel 70 around the output shaft of first driving means 40 to turn
It is dynamic.The excitation source 60 is used to be radiated at the fluorescence colour wheel 10 that first position (not shown) rotates, with the fluorescence colour wheel of rotation
70 be with reference to body, and the first spot tracks G5 is formed in the region of phosphor powder layer 72.
The first driving means 20 do not work, and the second drive device 40 works, and the second drive device 40 passes through mobile bar
30 driving fluorescence colour wheels 70 move to second place (not shown), and the second drive device 40 is stopped.
The first driving means 20 work, and the second drive device 40 does not work, and the excitation source 60 is used to be radiated at
The fluorescence colour wheel 70 that second place (not shown) rotates, it is with reference to body, in phosphor powder layer region shape with the fluorescence colour wheel 70 of rotation
Into the second spot tracks G6 (or G6'), realize that multi-trace excites, make full use of phosphor powder layer 72.
Figure 12 is referred to, further, in above-mentioned mode of operation, the second drive device 40 is preset with step pitch d2, described
Step pitch d2 drives the constant distance of the movement of fluorescence colour wheel 70, and the numerical value of the d2 for the second drive device 40 by mobile bar 30
Equal to spot tracks width (relative to iridescent wheel shaft to).Second drive device 40 drives fluorescence colour wheel by mobile bar 30
70 translate a step pitch d2 to the second place from first position, the first spot tracks G5 and the second spot tracks G6's (or G6')
Width is equal to step pitch d2 numerical value, and does not have gap between the first spot tracks G5 and the second spot tracks G6 or (G6').To
Two drive devices 40 set step pitch d2, realize that spot tracks cover phosphor powder layer 72 substantially, the utilization of phosphor powder layer 72 is more filled
Point.
First driving means 20 work simultaneously with the second drive device 40.
Figure 13 is referred to, first driving means 20 are used to drive fluorescence colour wheel 70 to hold around the output shaft of first driving means 20
It is continuous to rotate.
While first driving means 20 work, the second drive device 20 drives fluorescence colour wheel 70 flat by mobile bar 30
Move.
Second drive device 40 drives fluorescence colour wheel 10 to move to the 3rd towards first direction (not shown) by mobile bar 30
During the (not shown) of position, the second drive device drives fluorescence colour wheel to be put down towards the second direction opposite with first direction by mobile bar
Move to the 4th position.
Second drive device 40 by mobile bar 30 drive fluorescence colour wheel 10 towards second direction move to four positions when, the
Two drive devices 40 drive fluorescence colour wheel 10 to move to the 3rd towards the first direction opposite with second direction by mobile bar 30
Put.
The excitation source 60 comes and goes irradiation phosphor powder layer 72 region, is reference body with the fluorescence colour wheel 70 of rotation,
The 3rd spot tracks G7 is formed in the region of phosphor powder layer 72.
The outline of the 3rd spot tracks G7 is shaped as non-cylindrical cylinder, realizes and increases spot tracks
Footpath journey.
Further, the output shaft of the velocity of rotation of the output shaft of the first driving means 20 and the second drive device 40
Movement speed it is adjustable, because the second drive device 40 is relative in the speed that the 3rd position and the 4th position move back and forth
It is constant, if the output shaft rotation speed of first driving means 20 is V1, if the rate travel of the second drive device 40 is V2, then V1
About big with V2 ratio, the footpath journey of spot tracks is longer, and hot spot S5 track is more intensive, and phosphor powder layer 72 utilizes must be more abundant.
Figure 14 is referred to, in the present embodiment, the fluorescence colour wheel excitation apparatus 200 also includes reflecting optics 80, described
Reflecting optics 80 are fixed relative to excitation source 60, and the folder of the reflecting surface of the reflecting optics 80 and the central shaft of colour wheel substrate
Angle is 45 °, and the reflecting surface of the reflecting optics 80 and the angle of the central optical axis of excitation source 60 are 45 °.When excitation source 60 is sent out
The beam orthogonal gone out is injected in the surface of phosphor powder layer 72, is occurred after excitated fluorescent powder layer 72 by the reflecting surface of reflecting optics 80
Reflection, light beam project parallel to the central shaft of fluorescence colour wheel 71.
In the present embodiment, the light direction of excitation source 60 and the angle in the place face of phosphor powder layer 12,72 are more than 0 ° small
In or equal to 90 °.
In the present embodiment, the distance of the first position and the second place, or/and, the 3rd position and the 4th position
Distance, in the stroke range of the second drive device 40.Present invention also offers a kind of projector equipment 300, including above-mentioned
Fluorescence colour wheel excitation apparatus 100 or 200 described in one.
Compared with prior art, the fluorescence colour wheel excitation apparatus 100 or 200 and its projective module group 300 can change
Spot tracks, and then make the footpath journey of spot tracks elongated, the phosphor powder layer of fluorescence wheel surface is fully utilized, improve glimmering
The service life of photochromic wheel.
On the other hand, by setting step pitch to the second drive device, to the defeated of first driving means and the second drive device
The adjustment of the speed of shaft, it can further improve the utilization rate of phosphor powder layer.
It is understood that in the present invention, the shape of the colour wheel substrate of fluorescence colour wheel is not limited to above-mentioned discoid
Or hollow bottomless cylindrical shape, such as coniform, oval plate-like etc.；The type of drive of second drive device does not also limit
With above-mentioned linear motion；It is every by change excitation source be aligned fluorescence colour wheel irradiation position, realize multi-trace excite or
Extend track to excite to improve the service life of fluorescence colour wheel, the mode for reducing cost is the scope that the present invention is protected.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. fluorescence colour wheel excitation apparatus, it is characterised in that including：Fluorescence colour wheel, first driving means, mobile bar, the second drive device, base and excitation source；The phosphor powder layer that the fluorescence colour wheel includes colour wheel substrate and colour wheel substrate surface coats；The output axis connection of the colour wheel substrate and first driving means, one end connection first driving means of the mobile bar, The output axis connection of the other end of the mobile bar and the second drive device, second drive device are installed on the base；During first driving means work, the output shaft synchronous of the fluorescence colour wheel and first driving means rotates, and described the When two drive devices work, the output shaft of second drive device drives first driving means synchronous translational by mobile bar；The excitation source is used to irradiate the fluorescence colour wheel rotated by the first driving means, with the fluorescence colour wheel of rotation With reference to body, to form spot tracks, and the fluorescence that irradiation is translated by second drive device on the phosphor powder layer surface Colour wheel is so as to changing the spot tracks.
- 2. fluorescence colour wheel excitation apparatus according to claim 1, it is characterised in that the first driving means are driven with second Dynamic device time-sharing work；First driving means work, the second drive device do not work, and first driving means are used to driving fluorescence colour wheel around the The output shaft rotation of one drive device, the excitation source is used for the fluorescence colour wheel for being radiated at first position rotation, with rotation The fluorescence colour wheel is with reference to body, and the first spot tracks are formed in the phosphor powder layer region；The first driving means do not work, and the second drive device work, second drive device is used to pass through movement Bar driving fluorescence colour wheel moves to the second place, and second drive device is stopped；The first driving means work, second drive device do not work, and the excitation source is used to be radiated at second The fluorescence colour wheel of rotation is put, using the fluorescence colour wheel of rotation as with reference to body, the second hot spot is formed in the phosphor powder layer region Track.
- 3. fluorescence colour wheel excitation apparatus according to claim 2, it is characterised in that second drive device is preset with step Away from, the constant distance that the step pitch is moved for the second drive device by mobile bar driving fluorescence colour wheel, and the step pitch Numerical value is equal to the width of spot tracks；Second drive device drives fluorescence colour wheel to translate a step pitch to the second place, institute from first position by mobile bar Stating between the first spot tracks and the second spot tracks does not have gap.
- 4. fluorescence colour wheel excitation apparatus according to claim 1, it is characterised in that the first driving means are driven with second Dynamic device works simultaneously；The first driving means are used to drive fluorescence colour wheel persistently to rotate around the output shaft of first driving means；While the first driving means work, second drive device drives fluorescence colour wheel to translate by mobile bar；Second drive device by mobile bar drive fluorescence colour wheel towards first direction move to three positions when, described second Drive device drives fluorescence colour wheel to move to the 4th position towards the second direction opposite with first direction by mobile bar；Second drive device by mobile bar drive fluorescence colour wheel towards second direction move to four positions when, second driving Device drives fluorescence colour wheel to move to the 3rd position towards the first direction opposite with second direction by mobile bar；The excitation source comes and goes irradiation phosphor powder layer, using the fluorescence colour wheel of rotation as reference body, in the phosphor powder layer Region forms the 3rd spot tracks；The outline of 3rd spot tracks is shaped as non-circular, or/and, non-cylindrical cylinder.
- 5. fluorescence colour wheel excitation apparatus according to claim 4, it is characterised in that the first driving means are driven with second The speed of dynamic device is adjustable.
- 6. the fluorescence colour wheel excitation apparatus according to any one of claim 1 to 5, it is characterised in thatBeing shaped as the outline of the colour wheel substrate is discoid；The axial direction of the output shaft of second drive device is vertical with the output shaft of first driving means.
- 7. the fluorescence colour wheel excitation apparatus according to any one of claim 1 to 5, it is characterised in thatThe outline of the colour wheel substrate is shaped as hollow bottomless cylindrical shape；The axial direction of the output shaft of second drive device is parallel with the output shaft of first driving means.
- 8. fluorescence colour wheel excitation apparatus according to claim 7, it is characterised in that the fluorescence colour wheel excitation apparatus also wraps Include reflecting optics；The reflecting optics are fixed relative to excitation source；After the beam excitation phosphor powder layer that the excitation source is sent, irradiate the reflecting optics reflecting surface reflect after from Projected on the inside of fluorescence colour wheel.
- 9. the fluorescence colour wheel excitation apparatus according to claim 6 or 7, it is characterised in that the first driving means it is defeated Shaft and the central axis of colour wheel substrate.
- 10. one kind projection module, it is characterised in that the projection module includes the iridescent described in any one of claim 1 to 9 Take turns excitation apparatus.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711049664.7A CN107632488A (en) | 2017-10-31 | 2017-10-31 | A kind of fluorescence colour wheel excitation apparatus and its projection module |
| PCT/CN2018/080695 WO2019085383A1 (en) | 2017-10-31 | 2018-03-27 | Fluorescent colour wheel excitation device and projection module thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711049664.7A CN107632488A (en) | 2017-10-31 | 2017-10-31 | A kind of fluorescence colour wheel excitation apparatus and its projection module |
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| CN201711049664.7A Pending CN107632488A (en) | 2017-10-31 | 2017-10-31 | A kind of fluorescence colour wheel excitation apparatus and its projection module |
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| WO2019085383A1 (en) * | 2017-10-31 | 2019-05-09 | 广景视睿科技（深圳）有限公司 | Fluorescent colour wheel excitation device and projection module thereof |
| WO2020042564A1 (en) * | 2018-08-29 | 2020-03-05 | 深圳光峰科技股份有限公司 | Light source device, display device and color wheel component |
| CN111752082A (en) * | 2020-07-31 | 2020-10-09 | 无锡视美乐激光显示科技有限公司 | Light source device and projection system |
| WO2021082217A1 (en) * | 2019-11-01 | 2021-05-06 | 广州光联电子科技有限公司 | Wavelength conversion device |
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