CN104820332B - Color wheel switching structure and projection system with color wheel switching structure - Google Patents
Color wheel switching structure and projection system with color wheel switching structure Download PDFInfo
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- CN104820332B CN104820332B CN201510111770.8A CN201510111770A CN104820332B CN 104820332 B CN104820332 B CN 104820332B CN 201510111770 A CN201510111770 A CN 201510111770A CN 104820332 B CN104820332 B CN 104820332B
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- mobile base
- colour wheel
- rod member
- hole
- colour
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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
- G03B21/142—Adjusting of projection optics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
- G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention provides a color wheel switching structure and a projection system with the color wheel switching structure. In the color wheel switching structure, a base is provided with a moving seat and a color wheel capable of rotating on the moving seat. The moving seat and the color wheel are pushed by an operation part in a mode of mechanical operation, thus the moving seat and the color wheel can move between a first position and a second position relative to the base. When the moving seat and the color wheel move to the first position, one color ring on the color wheel is on the light path between the light source and the light guide tube of the projection system. When the moving seat and the color wheel move to the second position, the other color ring on the color wheel is on the light path between the light source and the light guide tube of the projection system. The moving seat and the color wheel are maintained at the first position or the second position through a clamping structure and the operation part. The color wheel switching structure is operated in a simple mode such that the protection system has different color wheel configurations.
Description
Technical field
The relevant a kind of optical projection system of the present invention, a kind of optical projection system with colour wheel switching construction.
Background technology
Numerical digit optical processing (digital light processor, DLP) optical projection system uses DMD Digital Micromirror Device (digital
Micromirror device, DMD) reflect light and produce projection image.Light is sent by the light source of high intensity,
After light guide and multiple lens group, then by the multiple micro-mirror structure different angle of inclination in DMD
Light is reflexed to projection lens with specific pattern.
And want imaging to go out the pattern of colour in such optical projection system, then need to make light through a rotation
It is transferred to DMD again after colour wheel (color wheel) reflect away.It is said that in general, colour wheel contains the three of light
Primary colors, i.e. red (R), green (G) and blue (B), and the velocity of rotation of colour wheel and picture
Turnover rate synchronizes, and to be sequentially provided the redness of each picture, green and blue frame, then DMD is also same
Step angle of inclination coordinates the brightness needed for different pixels position of each color, the news of last these three color
Frame sequentially casts out, and eye-observation and brain process then by mixed for each sprite throwing combined into colour
Shadow picture.
It is said that in general, the three primary colors that the colour wheel of standard comprises is to be evenly distributed in circumference and colour wheel is divided into three
Decile.Such benefit is that the color saturation of optical projection system imaging is high, is suitable as domestic play chief minister and uses.
But the brightness of image of the optical projection system of this type is relatively low.In order to improve the brightness of optical projection system, separately
A kind of wheel design, in addition to original three primary colors, it is possible to additionally incorporate a 4th transparent block, make three primary colors and
Colour wheel is divided into the quartering by transparent block.Owing to transparent block allows more light to pass through, such
Colour wheel can provide the brightest image, but because the membership that adds of pure white light " waters down " other color, full
With degree not as using the optical projection system of former colour wheel, the most this kind of optical projection system is used for bulletin and business is used
On the way.
Although because the design of colour wheel makes optical projection system have its various domains being suitable for, modern optical projection system chases after
Ask and more preferably use elastic and must both take into account.The most common design is to use in projection systems
Switchable colour wheel structure, when optical projection system makees the image mould that family's theater color saturation to be provided is higher
During formula, internal colour wheel structure switches to the colour wheel that three primary colors is divided equally；When optical projection system makees business or bulletin mould
When formula uses, the colour wheel that " four colors " that internal colour wheel structure then switches to comprise transparent block is divided equally.So
And the colour wheel switching construction of this type all uses electronically controlled mode at present so that the organizational system of optical projection system becomes
This is of a relatively high, and Electronic Control also adds additional the consumption of electric power and improves Parts Breakdown rate.
Summary of the invention
It is an object of the invention to provide a kind of simplicity operates and reliability is high colour wheel switching construction and projection
System.
For reaching above-mentioned purpose, the present invention provides a kind of colour wheel switching construction, is arranged at the light source of optical projection system
And in the light path between light guide, this light source provides light to this light guide along this light path.This colour wheel switches
Structure includes pedestal, Mobile base, colour wheel and operating portion.This pedestal is arranged in this light path.This moves
Seat be arranged on this pedestal, this Mobile base can relatively this pedestal along switching shaft in primary importance and the second position
Between move.This colour wheel is articulated on this Mobile base and can rotate relative to this Mobile base, and this colour wheel has interior color
Ring and outer colour circle, this interior colour circle is configured between axle center and this outer colour circle of this colour wheel.This operating portion is even
Being connected to this Mobile base, this operating portion is used for being promoted along this switching shaft, to drive this Mobile base and this colour wheel
Move between this primary importance and this second position.It is driven when this Mobile base and moves to this primary importance
Time, this outer colour circle of this colour wheel is positioned in this light path, and this light passes this outer colour circle to be supplied to this light guide；
When this Mobile base is driven and moves to this second position, this interior colour circle of this colour wheel is positioned in this light path,
This light passes this interior colour circle to be supplied to this light guide.
It is also preferred that the left this pedestal in this Mobile base along this switching shaft move to this second position have pushing and pressing door bolt,
This Mobile base has buckling parts to the position that should push against door bolt, when this Mobile base is mobile extremely by the drive of this operating portion
During this second position, these pushing and pressing door bolt engages with this buckling parts, and this Mobile base is maintained at this second position.
It is also preferred that the left this pedestal has recreation room, this recreation room has the first hole and the second hole, this operating portion
Be arranged in this recreation room and extend to form handle outside this first hole, and extend outside this second hole with
Connect this Mobile base.
It is also preferred that the left this operating portion has only supports dish, should only support the diameter of dish more than this first hole and this second
The aperture in hole, when this Mobile base moves along this switching shaft, should only support dish only support this recreation room define this first
The wall in hole, to be maintained at this primary importance by this Mobile base.
It is also preferred that the left this colour wheel switching construction also comprises elastic component, it is placed on this operating portion and two ends abut respectively
Only should define the wall in this second hole to dish and this recreation room, when this Mobile base is driven mobile by this operating portion
During to this second position, the wall that this elastic component is only defined this second hole to dish and this recreation room by this compresses
And there is elastic-restoring force.
It is also preferred that the left this operating portion comprises the first rod member and the second rod member, this first rod member extend this first
To form this handle outside hole, this second rod member extends to be connected and fixed on this Mobile base outside this second hole, should
First rod member promotes this second rod member along this switching shaft, to drive this Mobile base and this colour wheel in this first
Put and move between this second position.
It is also preferred that the left this first rod member has only supports dish, should only support the diameter of dish more than this first hole, this operation
Portion also comprises the first elastic component, be placed on this first rod member and two ends abut respectively this first rod member and this
Two rod members, this first elastic component is used for promoting this first rod member, makes this only support dish and only defines this to this recreation room
The wall in the first hole.
It is also preferred that the left also comprise fastener, can move along being perpendicular to this switching shaft direction relative to this recreation room, when
This Mobile base is driven by this operating portion when moving to this second position, and this fastener is sticked in this second rod member,
And this Mobile base is maintained at this second position.
It is also preferred that the left this fastener has the first arm along the arrangement of this switching shaft direction and the second arm, this is second years old
Rod member has the buckle slot corresponding to this second arm, when this Mobile base by this operating portion drive mobile to this second
During position, this second arm is sticked in this buckle slot so that this Mobile base is maintained at this second position.
It is also preferred that the left this first rod member has the first inclined-plane, corresponding to the position of this first arm, when this first bar
Part along this switching shaft move time, this first arm of this first slope driving, to interlock this second arm and this buckle slot
Depart from engaging.
It is also preferred that the left this operating portion also comprises the second elastic component, it is placed on this second rod member and two ends abut this respectively
Second rod member and this recreation room define the wall in this second hole, when this Mobile base is driven mobile by this operating portion
During to this second position, this second elastic component is defined the wall in this second hole by this second rod member and this recreation room
Face is compressed and is had elastic-restoring force.
It is also preferred that the left when this first rod member moves along this switching shaft, this first arm of this first slope driving is to interlock
This second arm and this buckle slot depart from when engaging, this second rod member of this second resilient element urges move make this second
What rod member was only butted in this recreation room only supports projection, and this Mobile base is maintained at this primary importance.
It is also preferred that the left this second rod member has the second inclined-plane, corresponding to the position of this second arm, when this Mobile base
Driven when this primary importance moves to this second position by this operating portion, this second arm of this second slope driving.
It is also preferred that the left this colour wheel switching construction also comprises the 3rd elastic component, it is placed on this fastener and two ends difference
Abut this fastener and this pedestal, in this first arm of this first slope driving or this second slope driving this
During two arms, the 3rd elastic component is compressed by this fastener and this pedestal and has elastic-restoring force.
It is also preferred that the left this pedestal has track, this track extends along this switching shaft direction, and this Mobile base has cunning
Dynamic portion, this sliding part is arranged on this track, this Mobile base by this sliding part on this track along this switching
Axle slides.
It is also preferred that the left this sliding part comprises Spring screws and protuberance, this Spring screws passes this track with locking
This protuberance, this Spring screws provides pulling force to make have frictional force between this protuberance and this pedestal.
For reaching above-mentioned purpose, the present invention separately provides a kind of optical projection system with colour wheel switching construction, comprises
There are light source, light guide and colour wheel switching construction.Light path, this light is formed between this light source and this light guide
Source provides light to this light guide along this light path.This colour wheel switching construction includes pedestal, Mobile base, colour wheel
And operating portion.This pedestal is arranged in this light path.This Mobile base is arranged on this pedestal, and this Mobile base can
Move between primary importance and the second position along switching shaft relative to this pedestal.This colour wheel is articulated in this and moves
On seat and can rotate relative to this Mobile base, this colour wheel has interior colour circle and outer colour circle, and this interior colour circle is configured at
Between the axle center of this colour wheel and this outer colour circle.This operating portion is connected to this Mobile base, and this operating portion is used for edge
This switching shaft is promoted, to drive this Mobile base and this colour wheel between this primary importance and this second position
Mobile.When this Mobile base is driven and moves to this primary importance, this outer colour circle of this colour wheel is positioned at this light
Lu Shang, this light passes this outer colour circle to be supplied to this light guide；It is driven when this Mobile base and moves to being somebody's turn to do
During the second position, this interior colour circle of this colour wheel is positioned in this light path, and this light passes this interior colour circle to be supplied to
This light guide.
It is also preferred that the left this pedestal in this Mobile base along this switching shaft move to this second position have pushing and pressing door bolt,
This Mobile base has buckling parts to the position that should push against door bolt, when this Mobile base is mobile extremely by the drive of this operating portion
During this second position, these pushing and pressing door bolt engages with this buckling parts, and this Mobile base is maintained at this second position.
It is also preferred that the left this pedestal has recreation room, this recreation room has the first hole and the second hole, this operating portion
Be arranged in this recreation room and extend to form handle outside this first hole, and extend outside this second hole with
Connect this Mobile base.
It is also preferred that the left this operating portion has only supports dish, should only support the diameter of dish more than this first hole and this second
The aperture in hole, when this Mobile base moves along this switching shaft, should only support dish only support this recreation room define this first
The wall in hole, to be maintained at this primary importance by this Mobile base.
It is also preferred that the left this colour wheel switching construction also comprises elastic component, it is placed on this operating portion and two ends abut respectively
Only should define the wall in this second hole to dish and this recreation room, when this Mobile base is driven mobile by this operating portion
During to this second position, the wall that this elastic component is only defined this second hole to dish and this recreation room by this compresses
And there is elastic-restoring force.
It is also preferred that the left this operating portion comprises the first rod member and the second rod member, this first rod member extend this first
To form this handle outside hole, this second rod member extends to be connected and fixed on this Mobile base outside this second hole, should
First rod member promotes this second rod member along this switching shaft, to drive this Mobile base and this colour wheel in this first
Put and move between this second position.
It is also preferred that the left this first rod member has only supports dish, should only support the diameter of dish more than this first hole, this operation
Portion also comprises the first elastic component, be placed on this first rod member and two ends abut respectively this first rod member and this
Two rod members, this first elastic component is used for promoting this first rod member, makes this only support dish and only defines this to this recreation room
The wall in the first hole.
It is also preferred that the left this colour wheel switching construction also comprises fastener, can relatively should along being perpendicular to this switching shaft direction
Recreation room moves, and when this Mobile base is moved to this second position by the drive of this operating portion, this fastener engages
In this second rod member, and this Mobile base is maintained at this second position.
It is also preferred that the left this fastener has the first arm along the arrangement of this switching shaft direction and the second arm, this is second years old
Rod member has the buckle slot corresponding to this second arm, when this Mobile base by this operating portion drive mobile to this second
During position, this second arm is sticked in this buckle slot so that this Mobile base is maintained at this second position.
It is also preferred that the left this first rod member has the first inclined-plane, corresponding to the position of this first arm, when this first bar
Part along this switching shaft move time, this first arm of this first slope driving, to interlock this second arm and this buckle slot
Depart from engaging.
It is also preferred that the left this operating portion also comprises the second elastic component, it is placed on this second rod member and two ends abut this respectively
Second rod member and this recreation room define the wall in this second hole, when this Mobile base is driven mobile by this operating portion
During to this second position, this second elastic component is defined the wall in this second hole by this second rod member and this recreation room
Face is compressed and is had elastic-restoring force.
It is also preferred that the left when this first rod member moves along this switching shaft, this first arm of this first slope driving is to interlock
This second arm and this buckle slot depart from when engaging, this second rod member of this second resilient element urges move make this second
What rod member was only butted in this recreation room only supports projection, and this Mobile base is maintained at this primary importance.
It is also preferred that the left this second rod member has the second inclined-plane, corresponding to the position of this second arm, when this Mobile base
Driven when this primary importance moves to this second position by this operating portion, this second arm of this second slope driving.
It is also preferred that the left this colour wheel switching construction also comprises the 3rd elastic component, it is placed on this fastener and two ends difference
Abut this fastener and this pedestal, in this first arm of this first slope driving or this second slope driving this
During two arms, the 3rd elastic component is compressed by this fastener and this pedestal and has elastic-restoring force.
It is also preferred that the left this pedestal has track, this track extends along this switching shaft direction, and this Mobile base has cunning
Dynamic portion, this sliding part is arranged on this track, this Mobile base by this sliding part on this track along this switching
Axle slides.
It is also preferred that the left this sliding part comprises Spring screws and protuberance, this Spring screws passes this track with locking
This protuberance, this Spring screws provides pulling force to make have frictional force between this protuberance and this pedestal.
It is also preferred that the left this switching shaft is perpendiculared to one another with this light path.
The present invention utilizes the frame for movement that reliability is high, and operation colour wheel switching construction, makes throwing in a straightforward manner
Shadow system has different colour wheel configurations.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the element of the internal local of optical projection system.
Fig. 2 and Fig. 3 be colour wheel switching construction one first embodiment each components broken down blast after different angles
Schematic diagram.
Fig. 4 is the schematic diagram that colour wheel is arranged at a primary importance by colour wheel switching construction.
Fig. 5 is the schematic diagram that colour wheel is arranged at a second position by colour wheel switching construction.
Fig. 6 to Fig. 9 is the schematic diagram that colour wheel switching construction one second embodiment is arranged at diverse location.
Detailed description of the invention
Some vocabulary is employed to censure specific element in the middle of description and follow-up claim.Belonging to
Field has usually intellectual it is to be appreciated that same unit may be called with different nouns by manufacturer
Part.In the way of this specification and follow-up claim not difference by title is used as distinguishing element, and
It is to be used as, with element difference in function and structure, the criterion distinguished.In description in the whole text and follow-up power
Profit requires that central mentioned " comprising " is open term, therefore should be construed to " comprise but be not limited to ".
Additionally, " coupling " or " connection " word at this for comprise any directly and indirectly electrically or structure connects hands
Section.Therefore, if first device couples/be connected to the second device described in literary composition, then representing this first device can be straight
Connect electrically/structure and be connected to this second device, or connected by other devices or connection means electrically/structure indirectly
It is connected to this second device.
Refer to the schematic diagram of the element that Fig. 1, Fig. 1 are the internal local of optical projection system.Optical projection system 1 contains
Light source 10, light guide 20, colour wheel switching construction 30.Light path R is formed between light source 10 and light guide 201,
Light source 10 is along light path R1There is provided light to light guide 20.Colour wheel switching construction 30 be then arranged at light source 10 with
And between light guide 20.More specifically, colour wheel switching construction 30 is positioned at light source 10 and light guide 20
Between light path R1On, this light that light source 10 is provided is along light path R1Through colour wheel switching construction 30, by
Light is changed into HONGGUANG, green glow, blue light or does not changes, then by the colour wheel rotated in colour wheel switching construction 30
After being transferred to light guide 20, the battery of lens through optical projection system 1 amplifies light and changes light path, numerical digit micro mirror
Device synchronizes the brightness formation frame that angle of inclination coordinates each color needed for different pixels position, finally
The frame of three kinds of colors is sequentially gone out via projection lens projects.Wherein optical projection system 1 this battery of lens, should
DMD Digital Micromirror Device, this projection lens and other necessary elements are not the most drawn.
Refer to Fig. 2 and Fig. 3, Fig. 2 and Fig. 3 is each of colour wheel switching construction 30 1 first embodiment
The schematic diagram of different angles after components broken down blast.Colour wheel switching construction 30 comprise pedestal 31, Mobile base 32,
Colour wheel 33, operating portion 34 and elastic component 35.Pedestal 31 is arranged at light path R1On, more specifically, base
Seat 31 has opening 316, light path R1Then through opening 316.Mobile base 32 is arranged on pedestal 31, and
Can be along a switching shaft R2(with reference to Fig. 1) opposite base 31 moves, in an embodiment of the present invention, and switching
Axle R2With light path R1Perpendicular to one another.Colour wheel 33 then pivot joint is arranged at can be on Mobile base 32 on Mobile base 32
Rotate, also due to Mobile base 32 can move by opposite base 31, therefore colour wheel 33 be shifted along seat 32 and
Can move by opposite base 31.Operating portion 34 is connected to Mobile base 32, is used for along switching shaft R2By promotion
Mobile base 32 and colour wheel 33 opposite base 31 is driven to move.In one embodiment of this invention, operating portion
34 have leader 341, use the colour wheel switching knot of mechanical operation in the optical projection system 1 of the present invention
Structure 30, by the handle 341 of operation operating portion 34, is carried out promoting Mobile base 32 and colour wheel 33 to move
Colour circle switching in colour wheel 33.
Pedestal 31 has a track 315, in the embodiment of Fig. 2 Yu Fig. 3, track 315 for multiple with cut
Change axle R2Equidirectional (along switching shaft R2Direction extend) strip perforate.Mobile base 32 has a sliding part
321, sliding part 321 is equipped with on track 315 with the track 315 of pedestal 31, makes Mobile base 32 lead to
Cross sliding part 321 and can be along switching shaft R on track 3152Mobile.More specifically, sliding part 321
Contain at least one protuberance 322 and a Spring screws 323, in the embodiment of Fig. 2 and Fig. 3, then join
Close multiple strip perforates of track 315, and there is each and every one protuberances 322 many and multiple Spring screws 323 (this
The embodiment inventing other can also have the sliding part of different aspect and the matching structure of track).Spring screws
323 pass the corresponding strip perforate of track 315 and are locked on the protuberance 322 of correspondence, and provide one
Pulling force makes have frictional force between protuberance 322 and pedestal 31.
Please continue to refer to Fig. 2.Pedestal 31 separately has a recreation room 312, and recreation room 312 has the first hole 313
And second hole 314, it is connected in the operating portion 34 of Mobile base 32 is then arranged at recreation room 312 and extends
First hole 313 is outer to form handle 341, and operating portion 34 other end extends and is connected to outside the second hole 314
Mobile base 32.The operating portion 34 being positioned at recreation room 312 has one only to dish 342, and its diameter is more than first
Hole 313 and the aperture in the second hole 314, therefore when Mobile base 32 is along switching shaft R2Time mobile, only support dish
342 move in recreation room 312 and can limit the shift motion of Mobile base 32.Elastic component 35 is (in this enforcement
For spring in example) it is placed on operating portion 34 and two ends are connected to only support dish 342 respectively and recreation room 312 is fixed
The wall in justice the second hole 314.
Refer to Fig. 4 and Fig. 5, wherein Fig. 4 is that colour wheel is arranged at a primary importance by colour wheel switching construction
Schematic diagram, Fig. 5 is the schematic diagram that colour wheel is arranged at a second position by colour wheel switching construction, and its visual angle is edge
Light path R of Fig. 11Direction.The Mobile base 32 of the colour wheel switching construction 30 of the present invention and colour wheel 33 can be
On pedestal 31, operated unit 34 drives and along switching shaft R2In this primary importance of Fig. 4 and Fig. 5 this
Move between two positions.Colour wheel 33 have one in colour circle 331 and an outer colour circle 332, wherein in colour circle 331
Being configured between axle center and the outer colour circle 332 of colour wheel 33, outer colour circle 332 is positioned on colour wheel 33
Opposing outer circumferential, and interior colour circle 331 is positioned at the relative inner periphery on colour wheel 33.Interior colour circle 331 and outer
Colour circle 332 has different color block arrangement, and the most in one embodiment, interior colour circle 331 contains three
Red, blue, the green tint block of decile, is suitable for image and the occasion of theater broadcasting, and outer colour circle 332 wraps
Contain red, blue, the green tint block of the quartering and transparent block, be suitable for the bulletin higher to brightness or business
Industry purposes occasion, but the present invention is not limited, and the configuration of colour circle also can be exchanged with above-described embodiment, or
Use another kind of colour circle configuration.
As shown in Figure 4, when Mobile base 32 and colour wheel 33 are driven and move to this primary importance, color
The outer colour circle 332 of wheel 33 is positioned at light path R1In (with reference to Fig. 1), this light now sent by light source 10
Through the opening 316 of outer colour circle 332 and pedestal 31 to be supplied to light guide 20, and the joining of outer colour circle 332
Put so that optical projection system 1 is arranged at applicable bulletin or commercial use.Pedestal 31 moves to this in Mobile base 32
Second position has a pushing and pressing door bolt 311, and the position of Mobile base 32 corresponding pushing and pressing door bolt 311 has a fastening
Portion 324, when the handle 341 of operation operating portion 34 is along switching shaft R2Promote Mobile base 32 and colour wheel 33
To this second position as shown in Figure 5, buckling parts 324 engages with pushing and pressing door bolt 311, with by Mobile base 32
And colour wheel 33 is maintained at this second position.Now the interior colour circle 331 of colour wheel 33 is positioned at light path R1(reference
On Fig. 1), light source 10 this light sent is through the opening 316 (figure of interior colour circle 331 and pedestal 31
5 are covered by colour wheel 33 and are not shown) to be supplied to light guide 20, and the configuration of interior colour circle 331 makes
Optical projection system 1 is arranged at applicable image and the purposes of theater broadcasting.
Special instruction, drives when Mobile base 32 and colour wheel 33 operated unit 34 and moves to Fig. 5's
During this second position, elastic component 35 only can be defined the wall in the second hole 314 to dish 342 and recreation room 312
Face is compressed and is had elastic-restoring force.When promoting Mobile base 32 to make buckling parts 324 again by handle 341
After pushing and pressing door bolt 311 engagement release, the elastic-restoring force of the elastic component 35 compressed then drives and only supports dish 342
(related drive Mobile base 32 and colour wheel 33) is moved to the left in figure, until only supporting dish 342 only support activity
The wall in the first hole 313 is defined in room 312, with Mobile base 32 and colour wheel 33 are maintained at Fig. 4 this
One position.
Refer to Fig. 6 to Fig. 9, it is the signal that colour wheel switching construction one second embodiment is arranged at diverse location
Figure, wherein Fig. 6 is signal time colour wheel is arranged at a primary importance of the second embodiment of colour wheel switching construction
Figure, Fig. 8 is the second embodiment of colour wheel switching construction schematic diagram time colour wheel is arranged at a second position.
As shown in Figure 6, in a second embodiment, the operating portion of colour wheel switching construction 30 ' comprises one first rod member 36
And one second rod member 37, colour wheel switching construction 30 ' additionally comprises a fastener 40.First rod member 36 extends
First hole 313 of recreation room 312 is outer to form handle 341, and the second rod member 37 extends outside the second hole 314
To be connected and fixed on Mobile base 32 (not showing on figure).First rod member 36 is linked in the second rod member 37, and can
Along switching shaft R2Promote the second rod member 37, to drive Mobile base 32 and colour wheel 33 (with reference to previous embodiment
Diagram) move between this primary importance and this second position.
First rod member 36 has one and only supports dish 342, and only supports the diameter of dish 342 more than the first hole 313.Behaviour
The portion that makees also comprises one first elastic component 351 and one second elastic component 352, and the first elastic component 351 is placed on first
On rod member 36 and two ends abut the first rod member 36 and the second rod member 37 respectively.Second elastic component 352 is placed on
Second rod member 37 and two ends abut the second rod member 37 respectively and recreation room 312 defines the wall in the second hole 314
Face.Colour wheel switching construction 30 ' also comprises one the 3rd elastic component 353, is placed on fastener 40 and two ends are supported respectively
Connect fastener 40 and pedestal 31.As it can be seen, fastener 40 has along switching shaft R2Direction arrangement
One first arm 41 and one second arm 42.First rod member 36 separately has corresponding to the first arm 41 position 1
One inclined-plane 361, the second rod member 37 separately has the second inclined-plane 372 corresponding to the second arm 42 position and with
The buckle slot 371 that two arms 42 are engaged.
In the position shown in Fig. 6, the first rod member 36 can be made it only support dish by the promotion of the first elastic component 351
342 are the most only butted on recreation room 312 defines the wall in the first hole 313.And in other embodiments, it is possible to no
First elastic component 351 is additionally set, and the first rod member 36 is pulled out to end by pull handle 341 in a manual manner
The most only it is butted on recreation room 312 to dish 342 and defines the wall in the first hole 313.Second rod member 37 is by the second bullet
Property part 352 promote mobile, and be the most only butted in recreation room 312 and only support projection 317, with by Mobile base
32 are maintained at this primary importance.
Fastener 40 can be along being perpendicular to switching shaft R2Direction (i.e. above-below direction in diagram) relative motion room
312 move.The process to this second position is moved by the drive of this operating portion from this primary importance at Mobile base 32
In, as it is shown in fig. 7, along switching shaft R2Direction promotes handle 341, makes the first rod member 36 by the first bullet
Property part 351 promotes the second rod member 37 (or to be not provided with the first elastic component 351, and directly pushed away by the first rod member 36
Dynamic second rod member 37), until the second arm 42 of the second inclined-plane 372 push card fastener 40 of the second rod member 37
And drive fastener 40 to move down, now the 3rd elastic component 353 is snapped part 40 and pedestal 31 compresses
And there is elastic-restoring force, and the second rod member 37 can continue on switching shaft R2Direction is promoted to the right, until
Position such as Fig. 8.
In the position shown in Fig. 8, the second rod member 37 of Mobile base 32 operated unit drives to this second
Putting, the 3rd elastic component 353 compressed can drive fastener 40 to move up, and makes the second of fastener 40
Arm 42 is sticked in the buckle slot 371 of the second rod member 37, thus Mobile base 32 is maintained at this second position.
The wall that now the second elastic component 352 is defined the second hole 314 by the second rod member 37 and recreation room 312 compresses
And there is elastic-restoring force.
When Fig. 8, continue on switching shaft R2When direction promotes handle 341 to the right, until first
First inclined-plane 361 of rod member 36 promotes the first arm 41 (as shown in Figure 9) to drive fastener 40 to moving down
Dynamic, the second arm 42 can be interlocked and engage with buckle slot 371 disengaging.The second elastic component 352 now compressed
Along switching shaft R2Direction promotes the second rod member 37 to move to the left, until the second rod member 37 is only butted on recreation room
Stopping in 312 supports projection 317, Mobile base 32 can be maintained at this primary importance.
Providing a kind of optical projection system in embodiments of the invention, its colour wheel with the configuration of changeable colour circle is cut
Change structure.In colour wheel switching construction, Mobile base and the color that can rotate on Mobile base are set on pedestal
Wheel.Promote Mobile base and colour wheel by operating portion in mechanically operated mode, make Mobile base and the colour wheel can phase
Pedestal is moved between a primary importance and a second position.When Mobile base and colour wheel move to this first
During position, the wherein colour circle on colour wheel in the light path between the light source and light guide of optical projection system, when
When Mobile base and colour wheel move to this second position, another colour circle on colour wheel be positioned at optical projection system light source and
In light path between light guide.Mobile base and colour wheel are then maintained by snap-in structure and the structure of operating portion
In this primary importance or this second position.Utilize the frame for movement that reliability is high, operate color in a straightforward manner
Wheel switching construction, makes optical projection system have different colour wheel configurations.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only and implements the present invention's
Example.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, not
The change made in departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.
Claims (22)
1. a colour wheel switching construction, is arranged in the light path between light source and the light guide of optical projection system,
This light source provides light to this light guide along this light path, it is characterised in that this colour wheel switching construction includes:
Pedestal, is arranged in this light path, and this pedestal has pushing and pressing door bolt；
Mobile base, is arranged on this pedestal, this Mobile base can relatively this pedestal along switching shaft in primary importance with
And move between the second position, this Mobile base has buckling parts；
Colour wheel, is articulated on this Mobile base and can rotate relative to this Mobile base, this colour wheel have interior colour circle and
Outer colour circle, this interior colour circle is configured between axle center and this outer colour circle of this colour wheel；And
Operating portion, is connected to this Mobile base, promotes this operating portion along this switching shaft, with drive this Mobile base with
And this colour wheel moves between this primary importance and this second position；
When wherein moving to this primary importance when this Mobile base is driven, this outer colour circle of this colour wheel is positioned at this
In light path, this light passes this outer colour circle to be supplied to this light guide；It is driven when this Mobile base and moves extremely
During this second position, these pushing and pressing door bolt engages with this buckling parts, and this Mobile base is maintained at this second position,
This interior colour circle of this colour wheel is positioned in this light path, and this light passes this interior colour circle to be supplied to this light guide.
2. colour wheel switching construction as claimed in claim 1, it is characterised in that this pedestal has recreation room,
This recreation room has the first hole and the second hole, this operating portion be arranged in this recreation room and extend this first
To form handle outside hole, and extend outside this second hole to connect this Mobile base.
3. colour wheel switching construction as claimed in claim 2, it is characterised in that this operating portion has only to dish,
The diameter that should only support dish is more than this first hole and the aperture in this second hole, when this Mobile base moves along this switching shaft
Time dynamic, should only support dish and only support this recreation room and define the wall in this first hole, with this Mobile base is maintained at this
One position.
4. colour wheel switching construction as claimed in claim 3, it is characterised in that also comprise elastic component, be placed on
On this operating portion and two ends abut this wall only defining this second hole to dish and this recreation room respectively, when this
Mobile base is driven by this operating portion when moving to this second position, and this elastic component is only supported dish and this activity by this
Room is defined the wall compression in this second hole and is had elastic-restoring force.
5. colour wheel switching construction as claimed in claim 2, it is characterised in that this operating portion comprises the first bar
Part and the second rod member, this first rod member extends to form this handle outside this first hole, and this second rod member prolongs
Stretching in be connected and fixed on this Mobile base outside this second hole, this first rod member promotes this second bar along this switching shaft
Part, to drive this Mobile base and this colour wheel to move between this primary importance and this second position.
6. colour wheel switching construction as claimed in claim 5, it is characterised in that this first rod member has and only supports
Dish, should only support diameter of dish more than this first hole, and this operating portion also comprises the first elastic component, be placed on this first
On rod member and two ends abut this first rod member and this second rod member respectively, and this first elastic component is used for promoting this
First rod member, makes this only support dish and only defines the wall in this first hole to this recreation room.
7. colour wheel switching construction as claimed in claim 5, it is characterised in that also comprise fastener, can edge
It is perpendicular to this switching shaft direction move relative to this recreation room, when this Mobile base is driven mobile to being somebody's turn to do by this operating portion
During the second position, this fastener is sticked in this second rod member, and this Mobile base is maintained at this second position.
8. colour wheel switching construction as claimed in claim 7, it is characterised in that this fastener has to be cut along this
Changing the first arm and second arm of direction of principal axis arrangement, this second rod member has the buckle corresponding to this second arm
Groove, when this Mobile base is moved to this second position by the drive of this operating portion, this second arm is sticked in this buckle
Groove is to be maintained at this second position by this Mobile base.
9. colour wheel switching construction as claimed in claim 8, it is characterised in that this first rod member has first
Inclined-plane, corresponding to the position of this first arm, when this first rod member moves along this switching shaft, this first inclined-plane
Promote this first arm, depart from and engage interlocking this second arm and this buckle slot.
10. colour wheel switching construction as claimed in claim 9, it is characterised in that this operating portion also comprises
Second elastic component, is placed on this second rod member and two ends abuts this second rod member respectively and this recreation room defines this
The wall in the second hole, when this Mobile base is moved to this second position by the drive of this operating portion, this second elasticity
Part is defined the wall compression in this second hole by this second rod member and this recreation room and has elastic-restoring force.
11. colour wheel switching constructions as claimed in claim 10, it is characterised in that when this first rod member edge
This switching shaft moves, and this first arm of this first slope driving engages with the disengaging of this buckle slot to interlock this second arm
Time, this second rod member of this second resilient element urges moves and makes this second rod member only be butted on only supporting in this recreation room
Projection, and this Mobile base is maintained at this primary importance.
12. colour wheel switching constructions as claimed in claim 9, it is characterised in that this second rod member has
Second inclined-plane, corresponding to the position of this second arm, when this Mobile base is driven from this primary importance by this operating portion
When moving to this second position, this second arm of this second slope driving.
13. colour wheel switching constructions as claimed in claim 12, it is characterised in that also comprise the 3rd elastic
Part, is placed on this fastener and two ends abut this fastener and this pedestal respectively, in this first slope driving
When this first arm or this this second arm of the second slope driving, the 3rd elastic component is by this fastener and this pedestal
Compress and there is elastic-restoring force.
14. colour wheel switching constructions as claimed in claim 1, it is characterised in that this pedestal has track,
This track extends along this switching shaft direction, and this Mobile base has sliding part, and this sliding part is arranged on this track,
This Mobile base is slided along this switching shaft on this track by this sliding part.
15. colour wheel switching constructions as claimed in claim 14, it is characterised in that this sliding part comprises bullet
Spring screw and protuberance, this Spring screws is through this track with this protuberance that locks, and this Spring screws provides pulling force
Make, between this protuberance and this pedestal, there is frictional force.
16. 1 kinds of optical projection systems with colour wheel switching construction, it is characterised in that include:
Light source；
Forming light path between light guide, this light source and this light guide, this light source provides light extremely along this light path
This light guide；And
Colour wheel switching construction, includes:
Pedestal, is arranged in this light path, and this pedestal has pushing and pressing door bolt；
Mobile base, is arranged on this pedestal, this Mobile base can relatively this pedestal along switching shaft in primary importance with
And move between the second position, this Mobile base has buckling parts；
Colour wheel, is articulated on this Mobile base and can rotate relative to this Mobile base, this colour wheel have interior colour circle and
Outer colour circle, this interior colour circle is configured between axle center and this outer colour circle of this colour wheel；And
Operating portion, is connected to this Mobile base, and this operating portion is used for being promoted along this switching shaft, to drive this shifting
Dynamic seat and this colour wheel move between this primary importance and this second position；
When wherein moving to this primary importance when this Mobile base is driven, this outer colour circle of this colour wheel is positioned at this
In light path, this light passes this outer colour circle to be supplied to this light guide；It is driven when this Mobile base and moves extremely
During this second position, these pushing and pressing door bolt engages with this buckling parts, and this Mobile base is maintained at this second position,
This interior colour circle of this colour wheel is positioned in this light path, and this light passes this interior colour circle to be supplied to this light guide.
17. optical projection systems as claimed in claim 16, it is characterised in that this pedestal has recreation room,
This recreation room has the first hole and the second hole, this operating portion be arranged in this recreation room and extend this first
To form handle outside hole, and extend outside this second hole to connect this Mobile base.
18. optical projection systems as claimed in claim 17, it is characterised in that this operating portion has only to dish,
The diameter that should only support dish is more than this first hole and the aperture in this second hole, when this Mobile base moves along this switching shaft
Time dynamic, should only support dish and only support this recreation room and define the wall in this first hole, with this Mobile base is maintained at this
One position.
19. optical projection systems as claimed in claim 18, it is characterised in that also comprise elastic component, be placed on
On this operating portion and two ends abut this wall only defining this second hole to dish and this recreation room respectively, when this
Mobile base is driven by this operating portion when moving to this second position, and this elastic component is only supported dish and this activity by this
Room is defined the wall compression in this second hole and is had elastic-restoring force.
20. optical projection systems as claimed in claim 16, it is characterised in that this pedestal has track, should
Track extends along this switching shaft direction, and this Mobile base has sliding part, and this sliding part is arranged on this track,
This Mobile base is slided along this switching shaft on this track by this sliding part.
21. optical projection systems as claimed in claim 20, it is characterised in that this sliding part comprises spring spiral shell
Silk and protuberance, this Spring screws is through this track with this protuberance that locks, and this Spring screws provides pulling force to make this
Between protuberance and this pedestal, there is frictional force.
22. optical projection systems as claimed in claim 16, it is characterised in that this switching shaft and this light path that
This is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111770.8A CN104820332B (en) | 2014-11-11 | 2015-03-13 | Color wheel switching structure and projection system with color wheel switching structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014106291458 | 2014-11-11 | ||
| CN201410629145.8A CN104407492A (en) | 2014-11-11 | 2014-11-11 | Color wheel switching structure and projection system with color wheel switching structure |
| CN201510111770.8A CN104820332B (en) | 2014-11-11 | 2015-03-13 | Color wheel switching structure and projection system with color wheel switching structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104820332A CN104820332A (en) | 2015-08-05 |
| CN104820332B true CN104820332B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410629145.8A Pending CN104407492A (en) | 2014-11-11 | 2014-11-11 | Color wheel switching structure and projection system with color wheel switching structure |
| CN201510111770.8A Active CN104820332B (en) | 2014-11-11 | 2015-03-13 | Color wheel switching structure and projection system with color wheel switching structure |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410629145.8A Pending CN104407492A (en) | 2014-11-11 | 2014-11-11 | Color wheel switching structure and projection system with color wheel switching structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105045026A (en) * | 2015-09-16 | 2015-11-11 | 重庆泽青巨科技发展有限公司 | Projection display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577061A (en) * | 2003-07-23 | 2005-02-09 | Lg电子有限公司 | Image projector |
| US6874892B1 (en) * | 2003-11-13 | 2005-04-05 | Hewlett-Packard Development Company, L.P. | Color setting monitoring system for a digital projector |
| JP3896074B2 (en) * | 2002-12-11 | 2007-03-22 | Ｎｅｃビューテクノロジー株式会社 | Color projector, color wheel used in the color projector, and display control method |
| TW200731797A (en) * | 2006-02-09 | 2007-08-16 | Coretronic Corp | Projecting device and changing operation modes method thereof |
| CN102854728A (en) * | 2011-12-18 | 2013-01-02 | 深圳市光峰光电技术有限公司 | Light source system and projection device |
| TW201337436A (en) * | 2012-03-09 | 2013-09-16 | Delta Electronics Inc | Color wheel module for use in a projector apparatus, projector apparatus, and method of switching display for a stereoscopic image or a flat image |
-
2014
- 2014-11-11 CN CN201410629145.8A patent/CN104407492A/en active Pending
-
2015
- 2015-03-13 CN CN201510111770.8A patent/CN104820332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3896074B2 (en) * | 2002-12-11 | 2007-03-22 | Ｎｅｃビューテクノロジー株式会社 | Color projector, color wheel used in the color projector, and display control method |
| CN1577061A (en) * | 2003-07-23 | 2005-02-09 | Lg电子有限公司 | Image projector |
| US6874892B1 (en) * | 2003-11-13 | 2005-04-05 | Hewlett-Packard Development Company, L.P. | Color setting monitoring system for a digital projector |
| TW200731797A (en) * | 2006-02-09 | 2007-08-16 | Coretronic Corp | Projecting device and changing operation modes method thereof |
| CN102854728A (en) * | 2011-12-18 | 2013-01-02 | 深圳市光峰光电技术有限公司 | Light source system and projection device |
| TW201337436A (en) * | 2012-03-09 | 2013-09-16 | Delta Electronics Inc | Color wheel module for use in a projector apparatus, projector apparatus, and method of switching display for a stereoscopic image or a flat image |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104820332A (en) | 2015-08-05 |
| CN104407492A (en) | 2015-03-11 |
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