CN102243350A - Colour wheel module and projection device with colour wheel module - Google Patents
Colour wheel module and projection device with colour wheel module Download PDFInfo
- Publication number
- CN102243350A CN102243350A CN2010101809301A CN201010180930A CN102243350A CN 102243350 A CN102243350 A CN 102243350A CN 2010101809301 A CN2010101809301 A CN 2010101809301A CN 201010180930 A CN201010180930 A CN 201010180930A CN 102243350 A CN102243350 A CN 102243350A
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- Prior art keywords
- colour wheel
- lid
- light
- circuit board
- wheel module
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Abstract
A colour wheel module and a projection device with the colour wheel module are disclosed, wherein the colour wheel module comprises a colour wheel, a cover body and a light inductor. The cover body has a light-transmitting area. The light inductor is configured in the cover body for sensing the position of the colour wheel via the light-transmitting area, wherein the colour wheel is located outside the cover body. A projection device comprising the colour wheel module is further disclosed. In the invention, the light inductor is configured in the cover body to prevent dust from being accumulated on the light inductor to influence the normal function of the light inductor.
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.By 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 (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 optical inductor can't detect positioning index or the sensing illuminating bundle passes the colour wheel zone, thereby causes the projection arrangement can't normal operation.United States Patent (USP) numbering US 6,755,554 has disclosed a kind of colour wheel module, and housing is used and reached dustproof order ground for coating whole colour wheel and motor, but this design has the difficult problem of heat radiation.
[summary of the invention]
The invention provides a kind of colour wheel module, have higher fiduciary level.
The invention provides a kind of projection arrangement, its colour wheel module has higher fiduciary level.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching one of above-mentioned or partly or all purposes or other purposes, one of the present invention embodiment proposes a kind of colour wheel module, comprises a colour wheel, a lid and an optical inductor.Lid has a photic zone.Optical inductor is disposed in the lid, and in order to the position via photic zone detecting colour wheel, wherein colour wheel is positioned at outside the lid.
Described colour wheel module is characterized in that: this lid 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 lid 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 one of above-mentioned or partly or all 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 to an image strip.Projection lens is disposed on the bang path of image strip, in order to project image strip.The colour wheel module comprises a colour wheel, a lid and an optical inductor.Colour wheel is disposed on the bang path of illuminating bundle.Lid has a photic zone.Optical inductor is disposed in the lid, and in order to the position via photic zone detecting colour wheel, wherein colour wheel is positioned at outside the lid.
Described projection arrangement is characterized in that: this lid 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 lid 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 lid, to prevent that dust accretions is on optical inductor and influence the normal function of optical inductor.
State feature and advantage on the present invention and can become apparent for allowing, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
[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 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: lid
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
[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 to 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 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 lid 120 and an optical inductor 130, colour wheel 110 is disposed on the bang path of the illuminating bundle that light source 12 sent, the white-light illuminating light beam is converted in regular turn to the illuminating bundle of multiple different colours (for example R, G, B).It should be noted that colour wheel 110 is positioned at outside the lid 120.
Fig. 4 is the fragmentary cross-sectional view of the colour wheel module of Fig. 2.Please refer to Fig. 2 and Fig. 4, lid 120 has a photic zone 120a, and optical inductor 130 is disposed within the lid 120, so can prevent that dust accretions is on optical inductor 130 by lid 120.In addition, optical inductor 130 is in order to the position via photic zone 120a detecting colour wheel 110.
In the present embodiment, lid 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 set 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, lid 120 more can apply a dustproof coating 128 on light-passing board 126.
Fig. 5 is the fragmentary cross-sectional view of the colour wheel module of Fig. 2.Please refer to Fig. 3 and Fig. 5, 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 set 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 (rotor) 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 allow its normal function of optical inductor long term maintenance.
The above, only for the present invention's preferred embodiment, when the scope that can not limit the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content 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 (12)
1. colour wheel module comprises:
One colour wheel;
One lid has a photic zone; And
One optical inductor is disposed in this lid, and in order to detect the position of this colour wheel via this photic zone, wherein this colour wheel is positioned at outside this lid.
2. colour wheel module as claimed in claim 1 is characterized in that: this lid 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.
3. colour wheel module as claimed in claim 2 is characterized in that: this lid more comprises:
One dustproof coating is coated on this light-passing board.
4. colour wheel module as claimed in claim 2 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.
5. 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.
6. colour wheel module as claimed in claim 5 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.
7. 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 this illuminating bundle is converted to an image strip;
One projection lens is disposed on the bang path of this image strip, in order 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 lid has a photic zone; And
One optical inductor is disposed in this lid, and in order to detect the position of this colour wheel via this photic zone, wherein this colour wheel is positioned at outside this lid.
8. projection arrangement as claimed in claim 7 is characterized in that: this lid 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.
9. projection arrangement as claimed in claim 8 is characterized in that: this lid more comprises:
One dustproof coating is coated on this light-passing board.
10. projection arrangement as claimed in claim 8 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.
11. projection arrangement as claimed in claim 7 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.
12. projection arrangement as claimed in claim 11 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 |
|---|---|---|---|
| CN2010101809301A CN102243350A (en) | 2010-05-14 | 2010-05-14 | Colour wheel module and projection device with colour wheel module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101809301A CN102243350A (en) | 2010-05-14 | 2010-05-14 | Colour wheel module and projection device with colour wheel module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102243350A true CN102243350A (en) | 2011-11-16 |
Family
ID=44961502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101809301A Pending CN102243350A (en) | 2010-05-14 | 2010-05-14 | Colour wheel module and projection device with colour wheel module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102243350A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566227A (en) * | 2011-12-30 | 2012-07-11 | 苏州佳世达光电有限公司 | Projector device |
| CN106569376A (en) * | 2016-10-31 | 2017-04-19 | 海信集团有限公司 | DMD component, DLP light machine and DLP projection device |
| CN107329355A (en) * | 2017-08-07 | 2017-11-07 | 李龙 | Colour wheel heat abstractor and cooling system |
| CN107490928A (en) * | 2016-06-09 | 2017-12-19 | 卡西欧计算机株式会社 | Fluorescent illuminating device, light supply apparatus and image projection device |
| CN107561839A (en) * | 2017-09-29 | 2018-01-09 | 明基电通有限公司 | Colour wheel module |
| US10082665B2 (en) | 2016-10-31 | 2018-09-25 | Hisense Co., Ltd. | DMD assembly, DLP optical engine and DLP projection device |
| CN108919476A (en) * | 2018-04-29 | 2018-11-30 | 中国华录集团有限公司 | A kind of iridescent wheel cap assemblies for strengthening heat sinking function |
| CN110465152A (en) * | 2019-08-08 | 2019-11-19 | 刘宇琪 | A kind of mining mine car wagon box cleaner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007171859A (en) * | 2005-12-26 | 2007-07-05 | Sharp Corp | Projector |
| CN101339352A (en) * | 2007-07-02 | 2009-01-07 | 中强光电股份有限公司 | Color wheel module and projection device possessing same |
| CN101393313A (en) * | 2007-09-21 | 2009-03-25 | 鸿富锦精密工业（深圳）有限公司 | Color wheel |
-
2010
- 2010-05-14 CN CN2010101809301A patent/CN102243350A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007171859A (en) * | 2005-12-26 | 2007-07-05 | Sharp Corp | Projector |
| CN101339352A (en) * | 2007-07-02 | 2009-01-07 | 中强光电股份有限公司 | Color wheel module and projection device possessing same |
| CN101393313A (en) * | 2007-09-21 | 2009-03-25 | 鸿富锦精密工业（深圳）有限公司 | Color wheel |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566227A (en) * | 2011-12-30 | 2012-07-11 | 苏州佳世达光电有限公司 | Projector device |
| CN107490928A (en) * | 2016-06-09 | 2017-12-19 | 卡西欧计算机株式会社 | Fluorescent illuminating device, light supply apparatus and image projection device |
| CN106569376A (en) * | 2016-10-31 | 2017-04-19 | 海信集团有限公司 | DMD component, DLP light machine and DLP projection device |
| US10082665B2 (en) | 2016-10-31 | 2018-09-25 | Hisense Co., Ltd. | DMD assembly, DLP optical engine and DLP projection device |
| US10718999B2 (en) | 2016-10-31 | 2020-07-21 | Hisense Co., Ltd. | DMD assembly and DLP projection device |
| CN107329355A (en) * | 2017-08-07 | 2017-11-07 | 李龙 | Colour wheel heat abstractor and cooling system |
| CN107561839A (en) * | 2017-09-29 | 2018-01-09 | 明基电通有限公司 | Colour wheel module |
| CN108919476A (en) * | 2018-04-29 | 2018-11-30 | 中国华录集团有限公司 | A kind of iridescent wheel cap assemblies for strengthening heat sinking function |
| CN110465152A (en) * | 2019-08-08 | 2019-11-19 | 刘宇琪 | A kind of mining mine car wagon box cleaner |
| CN110465152B (en) * | 2019-08-08 | 2021-09-14 | 张茂程 | Mining mine car hopper dust collecting equipment |
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Application publication date: 20111116 |