CN102478750A - Color wheel module and projector with same - Google Patents
Color wheel module and projector with same Download PDFInfo
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- CN102478750A CN102478750A CN2010105579258A CN201010557925A CN102478750A CN 102478750 A CN102478750 A CN 102478750A CN 2010105579258 A CN2010105579258 A CN 2010105579258A CN 201010557925 A CN201010557925 A CN 201010557925A CN 102478750 A CN102478750 A CN 102478750A
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- colour wheel
- air outlet
- circuit board
- light
- projection arrangement
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Abstract
Disclosed are a color wheel module and a projector with the same. The color wheel module comprises a color wheel, a light sensing device and a light sensor. The light sensing device is provided with a light transmitting area. The light sensor is disposed in the light sensing device and used for detecting the location of the color wheel via the light transmitting area, and the color wheel is located outside the light sensing device. A fan module is provided with an air outlet which is aligned to the light transmitting area. In addition, the projector comprising the color wheel module is also provided.
Description
[technical field]
The invention relates to a kind of colour wheel module (color wheel module), and particularly relevant for a kind of projection arrangement (projection apparatus) with colour wheel module.
[background technology]
The numerical digit light source is handled (digital light processing; Abbreviation DLP) principle of work of projection arrangement is the illuminating bundle that light source is sent; Through the colour wheel (color wheel) of rotation light is filtered into and is delivered to light valve (micro-mirrordevice for example after three kinds of colors of red, green, blue (R, G, B); Be called for short DMD) to convert image strip to, by projection lens image strip is projected in again and forms picture on the screen.Through the angle changing constantly of the micromirror on the light valve, and cooperate the colour wheel of rotation, utilize the visual persistence effect of human eye, a pixel (pixel) just can show different color change.
For the on off state that makes the micromirror on the light valve and the rotation of colour wheel can cooperatively interact; Usually can go up a configuration positioning index (indexmark) at the tumbler (the for example rotor of motor) of colour wheel module; And cooperate optical inductor why to detect the position of this positioning index or colour wheel zone that the sensing illuminating bundle is passed, so that projection goes out the image of required color.The method that this kind produces chromatic image is called time colour sequential explicit representation (time color sequential method).
Though the casing of projection arrangement can completely cut off most dust; But have dust accretions on the surface of optical inductor unavoidablely; And this can cause the optical inductor can't the sense position index or why sense the colour wheel zone, thereby causes the projection arrangement can't normal operation.United States Patent (USP) numbering US6,755,554 have disclosed a kind of colour wheel module, and housing is used and is reached dustproof order ground for coating whole colour wheel and motor, but this is designed with the difficult problem of heat radiation.TaiWan, China patent number TW I235281 has disclosed the technology with distribution pipeline group guiding cooling draught to colour wheel.TaiWan, China patent number TW I308254 has disclosed the technology of strengthening current rate with tapering type air channel.
[summary of the invention]
The present invention provides a kind of colour wheel module, has higher fiduciary level.
The present invention provides a kind of projection arrangement, and its colour wheel module has higher fiduciary level.
Other purposes of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching above-mentioned one or part or whole purposes or other purposes, one embodiment of the invention propose a kind of colour wheel module, and it comprises a colour wheel, a Photoinduction device and an optical inductor.Photoinduction device has a photic zone.It is interior to detect the position of colour wheel via photic zone that optical inductor is disposed at Photoinduction device, and wherein colour wheel is positioned at outside the Photoinduction device.The fan module has an air outlet, and wherein air outlet is aimed at photic zone.
Described colour wheel module is characterized in that: this fan module comprises:
One fan blower; And
One air channel is connected in this fan blower, and wherein this air outlet is formed on this air channel.
Described colour wheel module is characterized in that: this air channel comprises:
One upper casing is fixed on this fan blower, and wherein this air outlet is formed at this upper casing; And
One lower casing has a plurality of trips and is assembled in this upper casing by those trips.
Described colour wheel module is characterized in that: this air outlet is tapering type air outlet.
Described colour wheel module is characterized in that: this Photoinduction device comprises:
One circuit board, wherein this optical inductor is configured on this circuit board;
One housing is configured on this circuit board, to coat this optical inductor; And
One light-passing board is arranged on this housing, to form this photic zone.
Described colour wheel module is characterized in that: this Photoinduction device more comprises:
One dustproof coating is coated on this light-passing board.
Described colour wheel module is characterized in that: this housing has a location window limit and a plurality of elastic positioning card hook, and those elastic positioning card hooks limit this light-passing board and are bearing on this location window limit.
Described colour wheel module is characterized in that: more comprise:
One motor has a rotor, and this rotor connects this colour wheel;
One positioning index is configured on this rotor, wherein this optical inductor by the detecting this positioning index the position to obtain the position of this colour wheel.
Described colour wheel module is characterized in that: more comprise:
One support connects this motor; And
One locks part, and wherein this housing has a pothook and a locking section, and this pothook fastens the edge of this circuit board, and this locks part this locking section and this circuit board are locked to this support.
For reaching above-mentioned one or part or whole purposes or other purposes, another embodiment of the present invention proposes a kind of projection arrangement, comprises a light source, a light valve, a projection lens and a colour wheel module.Light source is in order to send an illuminating bundle.Light valve is disposed on the bang path of illuminating bundle, in order to illuminating bundle is converted into an image strip.Projection lens is disposed on the bang path of image strip, to project image strip.The colour wheel module comprises a colour wheel, a Photoinduction device and an optical inductor.Colour wheel is disposed on the bang path of illuminating bundle.Photoinduction device has a photic zone.Optical inductor is disposed in the Photoinduction device, and in order to come the position of sensing colour wheel via photic zone, wherein colour wheel is positioned at outside the Photoinduction device.The fan module has an air outlet, and wherein air outlet is aimed at photic zone.
Described projection arrangement is characterized in that: this fan module comprises:
One fan blower; And
One air channel is connected in this fan blower, and wherein this air outlet is formed on this air channel.
Described projection arrangement is characterized in that: this air channel comprises:
One upper casing is attached to this fan blower, and wherein this air outlet is formed at this upper casing; And
One lower casing has a plurality of trips and is assembled in this upper casing by those trips.
Described projection arrangement is characterized in that: this air outlet is tapering type air outlet.
Described projection arrangement is characterized in that: this Photoinduction device comprises:
One circuit board, wherein this optical inductor is configured on this circuit board;
One housing is configured on this circuit board, to coat this optical inductor; And
One light-passing board is arranged on this housing, to form this photic zone.
Described projection arrangement is characterized in that: this Photoinduction device more comprises:
One dustproof coating is coated on this light-passing board.
Described projection arrangement is characterized in that: this housing has a location window limit and a plurality of elastic positioning card hook, and those elastic positioning card hooks limit this light-passing board and are bearing on this location window limit.
Described projection arrangement is characterized in that: more comprise:
One motor has a rotor, and this rotor connects this colour wheel;
One positioning index is configured on this rotor, wherein this optical inductor by the detecting this positioning index the position to obtain the position of this colour wheel.
Described projection arrangement is characterized in that: more comprise:
One support connects this motor; And
One locks part, and wherein this housing has a pothook and a locking section, and this pothook fastens the edge of this circuit board, and this locks part this locking section and this circuit board are locked to this support.
In the above embodiment of the present invention, by optical inductor is disposed in the seal chamber, to prevent that dust accretions is on optical inductor and influence the normal function of optical inductor.In addition, the air outlet of fan module is aimed at photic zone, providing in order to removing the air-flow of photic zone surface dirt, and can prevent further that dust from influencing the normal function of optical inductor.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
[description of drawings]
Fig. 1 is the calcspar of a kind of projection arrangement of one embodiment of the invention.
Fig. 2 is the combination stereogram of the colour wheel module of Fig. 1.
Fig. 3 is the exploded perspective view of the colour wheel module of Fig. 2.
Fig. 4 is the fragmentary cross-sectional view of the colour wheel module of Fig. 2.
Fig. 5 is the partial perspective view of the projection arrangement of Fig. 1.
Fig. 6 is the part stereographic map of the projection arrangement of Fig. 5.
Fig. 7 is the part explosive view of the projection arrangement of Fig. 5.
Fig. 8 is the fragmentary cross-sectional view of the colour wheel module of Fig. 2.
10: projection arrangement
12: light source
14: light valve
16: projection lens
100: the colour wheel module
110: colour wheel
120: Photoinduction device
120a: photic zone
122: circuit board
124: housing
124a: location window limit
124b: elastic positioning card hook
124c: pothook
124d: locking section
126: light-passing board
128: dustproof coating
130: optical inductor
140: motor
142: rotor
150: positioning index
160: support
170: lock part
180: the fan module
182: air outlet
184: fan blower
186: the air channel
186a: upper casing
186b: lower casing
186c: trip
[embodiment]
Fig. 1 is the calcspar of a kind of projection arrangement of one embodiment of the invention.Please refer to Fig. 1, the projection arrangement 10 of present embodiment comprises a light source 12, a light valve 14 and a projection lens 16.Light source 12 is in order to send an illuminating bundle.Light valve 14 is disposed on the bang path of illuminating bundle, in order to illuminating bundle is converted into an image strip.Projection lens 16 is disposed on the bang path of image strip, in order to project image strip.
Fig. 2 is the combination stereogram of the colour wheel module of Fig. 1, and Fig. 3 is the part exploded perspective view of the colour wheel module of Fig. 2.Please refer to Fig. 2 and Fig. 3; Colour wheel module 100 comprises a colour wheel 110, a Photoinduction device 120 and an optical inductor 130; Wherein colour wheel 110 is disposed on the bang path of the illuminating bundle that light source 12 sent, and converts the illuminating bundle of multiple different colours (for example R, G, B) in regular turn to the illuminating bundle with white.It should be noted that colour wheel 110 is positioned at outside the Photoinduction device 120.
Fig. 4 is the part sectional view of the colour wheel module of Fig. 2.Please refer to Fig. 2 and Fig. 4, Photoinduction device 120 has a photic zone 120a, and optical inductor 130 is disposed within the Photoinduction device 120, so can prevent that dust accretions is on optical inductor 130 by Photoinduction device 120.In addition, optical inductor 130 is in order to detect the position of colour wheel 110 via photic zone 120a.
Fig. 5 is the partial perspective view of the projection arrangement of Fig. 1.Fig. 6 is the part stereographic map of the projection arrangement of Fig. 5.Please refer to Fig. 5 and Fig. 6, the colour wheel module 100 of present embodiment more comprises a fan module 180.Fan module 180 has an air outlet 182, and wherein air outlet 182 is aimed at photic zone 120a, providing in order to removing the air-flow of photic zone 120a surface dirt, and can prevent further that dust from influencing the normal function of optical inductor 130.
As shown in Figure 6, air outlet 182 disposes with the mode towards photic zone 120a and not towards colour wheel 110, it is surperficial in order to process photic zone 120a to use the air-flow that air outlet 182 is seen off, to remove the dust that accumulates on photic zone 120a surface.The fan module 180 of present embodiment comprises a fan blower (blower) 184 and an air channel 186.Air channel 186 is connected in fan blower 184, and air outlet 182 is formed at air channel 186.The air-flow that fan blower 184 produces is in order to 186 being led to air outlet 182 along the air channel, and is sent to photic zone 120a to carry out removing of dust from air outlet 182.
Fig. 7 is the part explosive view of the projection arrangement of Fig. 5.Please refer to Fig. 6 and Fig. 7, more detailed, the air channel 186 of present embodiment is made up of a upper casing 186a and a lower casing 186b.Upper casing 186a is attached to fan blower 184, and air outlet 182 is formed at upper casing 186a, and lower casing 186b has a plurality of trip 186c and is assembled in upper casing 186a by these trips 186c.In addition, in the present embodiment, air outlet 182 is tapering type air outlet, to strengthen from the intensity of the air-flow of air outlet 182 place generations, promotes the efficient that fan module 180 removes photic zone 120a surface dirt.
In the present embodiment, Photoinduction device 120 comprises a circuit board 122, a housing 124 and a light-passing board 126.Optical inductor 130 is configured on the circuit board 122.Housing 124 is configured on the circuit board 122, to coat optical inductor 130.Light-passing board 126 can be arranged on the housing 124, to form photic zone 120a.The material of light-passing board 126 can be light-permeable materials such as glass or plastic cement.
Please refer to Fig. 4, in order more effectively to prevent the accumulation of dust, Photoinduction device 120 more can apply a dustproof coating 128 on light-passing board 126.
Fig. 8 is the part sectional view of the colour wheel module of Fig. 2.Please refer to Fig. 3 and Fig. 8, in order to reduce the assembling difficulty, housing 124 has a location window limit 124a and a plurality of elastic positioning card hook 124b.During assembling; Assembler can be embedded in light-passing board 126 between elastic positioning card hook 124b and the location window limit 124a because of the elastic reaction of elastic positioning card hook 124b easily; When light-passing board 126 is bearing on location window limit 124a; Can limit light-passing board 126 by these elastic positioning card hooks 124b and be bearing on location window limit 124a, so that light-passing board 126 is arranged on the housing 124.
Please refer to Fig. 2, colour wheel module 100 more comprises a motor (motor) 140 and a positioning index 150.Motor 140 has a rotor (rotator) 142, and rotor 142 connects colour wheel 110.Positioning index 150 is configured on the rotor 142.Optical inductor 130 is by the position of the position of detecting positioning index 150 with acquisition colour wheel 110.Yet, in the embodiment that another does not illustrate, but the also regions of different colours of direct sensing colour wheel 110 of OPTICAL SENSORS 130, with the position of detecting colour wheel 110.
Please refer to Fig. 2 and Fig. 4, colour wheel module 100 comprises that more a support (holder) 160 and locks part (fastener) 170.Support 160 connects motor 140.Housing 124 has a pothook 124c and a locking section 124d, and pothook 124c fastens the edge of circuit board 122, and lock part 170 locking section 124d and circuit board 122 is locked to support 160.In the present embodiment, lock part 170 and can be screw.
In sum, in the above embodiment of the present invention, by optical inductor is disposed in the seal chamber, to prevent that dust accretions is on optical inductor and influence the normal function of optical inductor.In addition, by the probability that the material of light-passing board is selected or the dustproof coating of coating reduces dust accretions on light-passing board, to let its normal function of optical inductor long term maintenance.In addition, the air outlet of fan module is aimed at photic zone, providing in order to removing the air-flow of photic zone surface dirt, and can prevent further that dust from influencing the normal function of optical inductor.In addition, can air outlet be designed to tapering type air outlet, promote the efficient that the fan module removes dust to strengthen current rate.
The above; Be merely preferred embodiment of the present invention; When not limiting the scope that the present invention implements with this, the simple equivalent of promptly doing according to claim of the present invention and invention description generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.In addition, arbitrary embodiment of the present invention or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.
Claims (18)
1. colour wheel module comprises:
One colour wheel;
One Photoinduction device has a photic zone;
One optical inductor is disposed in this Photoinduction device, and in order to come the position of this colour wheel of sensing via this photic zone, wherein this colour wheel is positioned at outside this Photoinduction device; And
One fan module has an air outlet, and wherein this air outlet is aimed at this photic zone.
2. colour wheel module as claimed in claim 1 is characterized in that: this fan module comprises:
One fan blower; And
One air channel is connected in this fan blower, and wherein this air outlet is formed on this air channel.
3. colour wheel module as claimed in claim 2 is characterized in that: this air channel comprises:
One upper casing is fixed on this fan blower, and wherein this air outlet is formed at this upper casing; And
One lower casing has a plurality of trips and is assembled in this upper casing by those trips.
4. colour wheel module as claimed in claim 1 is characterized in that: this air outlet is tapering type air outlet.
5. colour wheel module as claimed in claim 1 is characterized in that: this Photoinduction device comprises:
One circuit board, wherein this optical inductor is configured on this circuit board;
One housing is configured on this circuit board, to coat this optical inductor; And
One light-passing board is arranged on this housing, to form this photic zone.
6. colour wheel module as claimed in claim 5 is characterized in that: this Photoinduction device more comprises:
One dustproof coating is coated on this light-passing board.
7. colour wheel module as claimed in claim 5 is characterized in that: this housing has a location window limit and a plurality of elastic positioning card hook, and those elastic positioning card hooks limit this light-passing board and are bearing on this location window limit.
8. colour wheel module as claimed in claim 1 is characterized in that: more comprise:
One motor has a rotor, and this rotor connects this colour wheel;
One positioning index is configured on this rotor, wherein this optical inductor by the detecting this positioning index the position to obtain the position of this colour wheel.
9. colour wheel module as claimed in claim 8 is characterized in that: more comprise:
One support connects this motor; And
One locks part, and wherein this housing has a pothook and a locking section, and this pothook fastens the edge of this circuit board, and this locks part this locking section and this circuit board are locked to this support.
10. projection arrangement comprises:
One light source is in order to send an illuminating bundle;
One light valve is disposed on the bang path of this illuminating bundle, in order to convert this illuminating bundle into an image strip;
One projection lens is disposed on the bang path of this image strip, to project this image strip; And
One colour wheel module comprises:
One colour wheel is disposed on the bang path of this illuminating bundle;
One Photoinduction device has a photic zone;
One optical inductor is disposed in this Photoinduction device, and in order to be come the position of this colour wheel of sensing by this photic zone, wherein this colour wheel is positioned at outside this Photoinduction device; And
One fan module has an air outlet, and wherein this air outlet is aimed at this photic zone.
11. projection arrangement as claimed in claim 10 is characterized in that: this fan module comprises:
One fan blower; And
One air channel is connected in this fan blower, and wherein this air outlet is formed on this air channel.
12. projection arrangement as claimed in claim 11 is characterized in that: this air channel comprises:
One upper casing is attached to this fan blower, and wherein this air outlet is formed at this upper casing; And
One lower casing has a plurality of trips and is assembled in this upper casing by those trips.
13. projection arrangement as claimed in claim 10 is characterized in that: this air outlet is tapering type air outlet.
14. projection arrangement as claimed in claim 10 is characterized in that: this Photoinduction device comprises:
One circuit board, wherein this optical inductor is configured on this circuit board;
One housing is configured on this circuit board, to coat this optical inductor; And
One light-passing board is arranged on this housing, to form this photic zone.
15. projection arrangement as claimed in claim 14 is characterized in that: this Photoinduction device more comprises:
One dustproof coating is coated on this light-passing board.
16. projection arrangement as claimed in claim 14 is characterized in that: this housing has a location window limit and a plurality of elastic positioning card hook, and those elastic positioning card hooks limit this light-passing board and are bearing on this location window limit.
17. projection arrangement as claimed in claim 10 is characterized in that: more comprise:
One motor has a rotor, and this rotor connects this colour wheel;
One positioning index is configured on this rotor, wherein this optical inductor by the detecting this positioning index the position to obtain the position of this colour wheel.
18. projection arrangement as claimed in claim 17 is characterized in that: more comprise:
One support connects this motor; And
One locks part, and wherein this housing has a pothook and a locking section, and this pothook fastens the edge of this circuit board, and this locks part this locking section and this circuit board are locked to this support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105579258A CN102478750A (en) | 2010-11-19 | 2010-11-19 | Color wheel module and projector with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105579258A CN102478750A (en) | 2010-11-19 | 2010-11-19 | Color wheel module and projector with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102478750A true CN102478750A (en) | 2012-05-30 |
Family
ID=46091438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105579258A Pending CN102478750A (en) | 2010-11-19 | 2010-11-19 | Color wheel module and projector with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102478750A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103375774A (en) * | 2013-07-23 | 2013-10-30 | 苏州佳世达光电有限公司 | Color wheel module and projector |
| CN104656351A (en) * | 2015-02-12 | 2015-05-27 | 苏州佳世达光电有限公司 | Projector and method for removing dust from color wheel module |
| CN105814486A (en) * | 2013-12-11 | 2016-07-27 | Nec显示器解决方案株式会社 | Cooling structure, lighting optical system, projection display apparatus, and cooling method |
| US9467669B2 (en) | 2015-01-22 | 2016-10-11 | Coretronic Corporation | Wavelength conversion module and projector |
| CN116642154A (en) * | 2023-04-06 | 2023-08-25 | 杭州正森科技有限公司 | Light adjusting device for photography |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375774A (en) * | 2013-07-23 | 2013-10-30 | 苏州佳世达光电有限公司 | Color wheel module and projector |
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| CN105814486A (en) * | 2013-12-11 | 2016-07-27 | Nec显示器解决方案株式会社 | Cooling structure, lighting optical system, projection display apparatus, and cooling method |
| CN105814486B (en) * | 2013-12-11 | 2017-08-29 | Nec显示器解决方案株式会社 | Cooling structure, lamp optical system, projection display equipment, and cooling means |
| US9995996B2 (en) | 2013-12-11 | 2018-06-12 | Nec Display Solutions, Ltd. | Cooling structure, lighting optical system, and projection-type display apparatus including substrate and phosphor formed on the substrate to emit fluorescent light |
| US9467669B2 (en) | 2015-01-22 | 2016-10-11 | Coretronic Corporation | Wavelength conversion module and projector |
| CN106200223A (en) * | 2015-01-22 | 2016-12-07 | 中强光电股份有限公司 | Wavelength conversion module and projector |
| CN104656351A (en) * | 2015-02-12 | 2015-05-27 | 苏州佳世达光电有限公司 | Projector and method for removing dust from color wheel module |
| CN116642154A (en) * | 2023-04-06 | 2023-08-25 | 杭州正森科技有限公司 | Light adjusting device for photography |
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Application publication date: 20120530 |