CN100368930C - Color wheel capable of preventing filter from runaway - Google Patents
Color wheel capable of preventing filter from runaway Download PDFInfo
- Publication number
- CN100368930C CN100368930C CNB2004100341233A CN200410034123A CN100368930C CN 100368930 C CN100368930 C CN 100368930C CN B2004100341233 A CNB2004100341233 A CN B2004100341233A CN 200410034123 A CN200410034123 A CN 200410034123A CN 100368930 C CN100368930 C CN 100368930C
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- load
- optical filter
- carrying unit
- gland
- filters
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Abstract
The present invention relates to a color wheel preventing a filter from running away, which is proposed for providing an optical equipment part which generates radial displacement and has good assembling quality and can partially changing assembling members. The present invention comprises a supporting element, a filter group, stop blocks and a gland, wherein the filter group is provided with a plurality of filters, center holes, upper surfaces and lower surfaces; the filters can be sliced, the center holes are limited by inner peripheries of the filters, the upper surfaces are limited by the top surfaces of the filters, and the lower surfaces are limited by the bottom surfaces of the filters. The stop blocks form continual annular shapes, and are arranged on one of the top surfaces and the bottom surfaces of the filters, so that the filters are combined into integration. The gland is locked on the supporting element, so that the filters are tightly positioned on the supporting element.
Description
Technical field
The invention belongs to the optical device parts, particularly a kind of colour wheel that prevents that optical filter from flying to escape.
Background technology
As shown in Figure 1 and Figure 2, known colour wheel is can be assembled on the motor (figure does not show), and colour wheel has load-carrying unit 1 and glutinous several pieces optical filters 2 be located on the load plane 101 of assembly group that are fixedly arranged on the motor and have load plane 101.So, motor can drive load-carrying unit 1 and several pieces optical filters 2 produce high-speed rotation, passes several pieces optical filters 2 and the generation image and throw light can be throwed.
Though the optical filter 2 of colour wheel can stick to be located on the load-carrying unit 1 and by direct motor drive,, in actual fabrication, when using, but there is following disappearance in colour wheel:
1,2 of several pieces optical filters are by glutinous being located on the load plane 101 of the glutinous agent of one deck (figure does not show), and any structure that stops radial displacement is not set between load-carrying unit 1 and several pieces optical filters 2, therefore, when several pieces optical filters 2 of direct motor drive produced high-speed rotation, optical filter 2 very easily moved radially because of centrifugal action produces.
2, several pieces optical filters 2 are by glutinous being located on the load plane 101 of the glutinous agent (thermosetting cement) of one deck, but, optical filter 2 is also inequality with the material of load-carrying unit 1, optical filter 2 is a glass, load-carrying unit 1 is an aluminium, therefore, and when optical filter 2 and load-carrying unit 1 are carrying out high-temperature baking when binding, tend to difference because of both thermal expansivity, and the assembly precision after the influence bonding.
3, load-carrying unit 1 is to be fixedly arranged on the motor, and several pieces optical filters 2 are cemented on load-carrying unit 1, therefore, if the quality after the overall package is bad, for example precision is not good, or transient equilibrium is not good and can't be adjusted the time, this kind colour wheel promptly can be scrapped because of the one-piece construction that can't the local replacing assembled component needs to comprise motor, so, not only waste part, and can improve production cost.
Summary of the invention
But the purpose of this invention is to provide a kind of optical filter that prevents and produce the colour wheel that the prevented optical filter of radial displacement, the good local replacing assembled component of assembling quality flies to escape.
The present invention comprises load-carrying unit, filter set, gland and position limiting structure; Filter set has several pieces can assembly group optical filter together and by the center pit that inner peripheral defined of several pieces optical filters; Load-carrying unit is locked and is equipped with so as to several pieces optical filter packings being positioned the gland on the load-carrying unit; Between position limiting structure one of was arranged in several pieces optical filters and gland, the load-carrying unit, it had several piece and is arranged on the limited block and at least one one of be formed in gland, the load-carrying unit on the optical filter, and the limited impression of setting for limited block.
Limited block is arranged on the bottom surface of optical filter along the arc inner peripheral of optical filter; Limited impression is formed on the load-carrying unit and is circular.
Limited block is integrally formed on the bottom surface of optical filter along the arc inner peripheral of optical filter.
Folder is established pad between gland bottom surface and several pieces optical filters.
Be equipped with on the gland several pass behind the filter set center pit interlocking on the load-carrying unit gland is locked in the bolt on the load-carrying unit.
Because the present invention comprises load-carrying unit, filter set, gland and position limiting structure; Filter set has several pieces can assembly group optical filter together and by the center pit that inner peripheral defined of several pieces optical filters; Load-carrying unit is locked and is equipped with so as to several pieces optical filter packings being positioned the gland on the load-carrying unit; Between position limiting structure one of was arranged in several pieces optical filters and gland, the load-carrying unit, it had several piece and is arranged on the limited block and at least one one of be formed in gland, the load-carrying unit on the optical filter, and the limited impression of setting for limited block.Optical filter of the present invention is mounted on the load-carrying unit by the limited block and the limited impression of position limiting structure, therefore, when several pieces optical filters of direct motor drive produce high-speed rotation, several pieces optical filters can be avoided moving radially because of centrifugal action produces by the limited block of position limiting structure and the inlay card of limited impression.Therefore, even if the quality after the overall package of the present invention is bad, for example transient equilibrium is good and can't be adjusted the time, the present invention still replaceable another group optical filter and position limiting structure, improving the overall package quality, so the present invention not only can be by the replacing of local member and improved the quality of overall package, and motor can effectively be used, and can effectively save production cost.Can prevent that not only optical filter from producing radial displacement, the assembling quality is good, but and the local replacing assembled component, thereby reach purpose of the present invention.
Description of drawings
Fig. 1, be known colour wheel structural representation stereographic map.
Fig. 2, be known colour wheel structural representation cut-open view.
Fig. 3, be the embodiment of the invention one and motor decomposition texture schematic isometric.
Fig. 4, be the embodiment of the invention one filter set and locating part decomposition texture schematic isometric.
Fig. 5, be inventive embodiments one structural representation cut-open view (with motor combination).
Fig. 6, be the embodiment of the invention two and motor decomposition texture schematic isometric.
Fig. 7, be the embodiment of the invention two structural representation cut-open views (with motor combination).
Embodiment
Embodiment one
As Fig. 3, Fig. 4, shown in Figure 5, the present invention can be installed in to have on the motor 100 that rotates hub 110, rotation axis 120, and it comprises load-carrying unit 10, filter set 20, locating part 30, gland 40, pad 50 and three bolts 60.
Load-carrying unit 10 is fixedly arranged on the rotation hub 110, rotation axis 120 of motor 100, and can rotate synchronously with rotation hub 110, rotation axis 120, load-carrying unit 10 has the load plane 11 that can carry filter set 20 and reaches from the extended up flange part 12 of load plane 11.
Filter set 20 have several pieces can the assembly group together optical filter 21, by the center pit that inner peripheral defined 22 of several pieces optical filters 21, by the upper surface that end face defined 23 of several pieces optical filters 21 and by the lower surface that the bottom surface defined 24 of several pieces optical filters 21.In the present embodiment, the material of several pieces optical filters 21 is to be glass, and the aperture of center pit 22 is the external diameters that equal load-carrying unit 10 flange parts 12.
Locating part 30 is continuous annular, and as circular, it has the perforation 31 that the aperture equals filter set 20 center pits 22 apertures.In the present embodiment, the material of locating part 30 is same as the material of several pieces optical filters 21, and locating part 30 is cemented on the upper surface 23 of filter set 20 along the arc inner peripheral of several pieces optical filters 21, so, after locating part 30 and several pieces optical filters 21 carry out the high-temperature baking bonding, locating part 30 can be combined into one several pieces optical filters 21, and when several pieces optical filters 21 are installed on the load plane 11 of load-carrying unit 10 together with locating part 30, flange part 12 extensible perforation 31 of passing the center pit 22 and the locating part 30 of filter set 20.
Gland 40 has roof 41 and reaches the perisporium 42 that extends along the periphery of roof 41 down.Roof 41 has three through holes 411 that can pass for bolt 60 respectively.
As Fig. 3, shown in Figure 5, be installed on the load plane 11 of load-carrying unit 10 together with locating part 30 when several pieces optical filters 21 after, three bolts 60 can pass three through holes 411 in regular turn, the perforation 31 of locating part 30 and the center pit of filter set 20 22 backs and load-carrying unit 10 interlockings, thereby gland 40 is locked on the load-carrying unit 10, so, gland 40 can be through pad 50, locating part 30 and several pieces optical filter 21 packings are positioned on the load plane 11 of load-carrying unit 10, at this moment, gland 40 covers flange part 12, locating part 30 and pad 50, and the internal face of gland 40 perisporiums 42 is proper and the outer peripheral edges butt of locating part 30.
So, motor 100 can hub 110 and rotation axis 120 drive load-carrying unit 10 and several pieces optical filters 21 produce high-speed rotation through rotating, and throw light can be throwed pass several pieces optical filters 21 and the generation image.
Via above explanation, the present invention has following advantage:
1, optical filter 21 of the present invention and locating part 30 cemented being integral, locating part 30 then is sheathed on the flange part 12 of load-carrying unit 10, therefore, when motor 100 drives several pieces optical filters 21 generation high-speed rotation, several pieces optical filters 21 are stuck on the flange part 12 of load-carrying unit 10 by locating part 30 covers, can avoid moving radially because of centrifugal action produces, in addition, the internal face of gland 40 perisporiums 42 of the present invention just and the outer peripheral edges butt of locating part 30, therefore, gland 40 more can be spacing be lived locating part 30, thereby preventing further that several pieces optical filters 21 from producing moves radially.
2, optical filter 21 of the present invention adopts identical material to make with locating part 30, thereby have identical thermal expansivity, therefore, when several pieces optical filters 21 and locating part 30 are carrying out high-temperature baking when binding, can produce consistent telescopic level, and can not influence the assembly precision after the bonding.
3, optical filter 21 of the present invention and locating part 30 are for binding into earlier a unit, then, again through bolt 60 and load-carrying unit 10 interlockings, and be glanded 40, pad 50 packings are positioned on the load plane 11 of load-carrying unit 10, therefore, even if the quality after the overall package of the present invention is bad, for example transient equilibrium is good and can't be adjusted the time, the present invention still can bind all-in-one-piece optical filter 21 and locating part 30 and change another group, to improve the overall package quality with bolt 60 pine oils, so, the present invention not only can be by the replacing of local member and is improved the quality of overall package, and motor 100 can effectively be used, and can effectively save production cost.
Embodiment two
As Fig. 6, shown in Figure 7, the present invention comprises load-carrying unit 10, filter set 20, gland 40, pad 50, three bolts 60 and position limiting structures 70.
Load-carrying unit 10 has the load plane 11 and the flange part 12 that can carry filter set 20.
Filter set 20 have several pieces can the assembly group together optical filter 21 and by the center pit that inner peripheral defined 22 of several pieces optical filters 21.
Though in the present embodiment, several piece limited block 71 is integrally formed at respectively on several pieces optical filters 21,, several piece limited block 71 also can first machine-shaping, and then cemented on each optical filter 21.
Be installed on the load plane 11 of load-carrying unit 10 when several pieces optical filters 21 after, several piece limited block 71 is embedded at respectively in the limited impression 72, three bolts 60 can pass in regular turn gland 40 through hole 411, filter set 20 center pit 22 and with load-carrying unit 10 interlockings, so that gland 40 is locked on the load-carrying unit 10.So, gland 40 can be positioned several pieces optical filter 21 packings on the load plane 11 of load-carrying unit 10 through pad 50, and 71 packings of several piece limited block are positioned in the limited impression 72.
So, when motor 100 drove several pieces optical filters 21 generation high-speed rotation, several pieces optical filters 21 also can be avoided moving radially because of centrifugal action produces by the inlay card of several pieces limited blocks 71 with limited impression 72.So, also can be and improve the quality of overall package by the replacing of local member, and motor 100 can effectively be used, and can effectively save production cost.
Conclude above-mentionedly, the colour wheel that prevents that optical filter from flying to escape of the present invention can prevent that not only optical filter from producing radial displacement, and the assembling quality is good, and can be carried out the replacing of local member, to save production cost, so can reach the purpose of invention really.
Claims (5)
1. colour wheel that can prevent that optical filter from flying to escape, it comprises load-carrying unit and filter set; It is characterized in that described filter set has several pieces can assembly group optical filter together and by the center pit that inner peripheral defined of several pieces optical filters; Load-carrying unit is locked and is equipped with so as to several pieces optical filter packings being positioned the gland on the load-carrying unit; Be provided with position limiting structure between one of in several pieces optical filters and gland, the load-carrying unit; Position limiting structure has several piece and is arranged on the limited block and at least one one of be formed in gland, the load-carrying unit on the optical filter, and the limited impression of setting for limited block.
2. the colour wheel that prevents that optical filter from flying to escape according to claim 1 is characterized in that described limited block is arranged on the bottom surface of optical filter along the arc inner peripheral of optical filter; Limited impression is formed on the load-carrying unit and is circular.
3. the colour wheel that prevents that optical filter from flying to escape according to claim 2 is characterized in that described limited block is integrally formed on the bottom surface of optical filter along the arc inner peripheral of optical filter.
4. the colour wheel that prevents that optical filter from flying to escape according to claim 1 is characterized in that folder is established pad between described gland bottom surface and several pieces optical filters.
5. the colour wheel that prevents that optical filter from flying to escape according to claim 1, it is characterized in that being equipped with on the described gland several pass behind the filter set center pit interlocking on the load-carrying unit gland is locked in the bolt on the load-carrying unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100341233A CN100368930C (en) | 2004-04-22 | 2004-04-22 | Color wheel capable of preventing filter from runaway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100341233A CN100368930C (en) | 2004-04-22 | 2004-04-22 | Color wheel capable of preventing filter from runaway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690837A CN1690837A (en) | 2005-11-02 |
| CN100368930C true CN100368930C (en) | 2008-02-13 |
Family
ID=35346358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100341233A Expired - Fee Related CN100368930C (en) | 2004-04-22 | 2004-04-22 | Color wheel capable of preventing filter from runaway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100368930C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430070B (en) * | 2008-04-30 | 2011-06-15 | 马田专业公司 | Color wheel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315512B (en) * | 2007-05-30 | 2010-06-09 | 鸿富锦精密工业（深圳）有限公司 | Color block component and color block |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08160273A (en) * | 1994-12-09 | 1996-06-21 | Nikon Corp | Rotating filter pressing mechanism |
| US5868482A (en) * | 1996-04-30 | 1999-02-09 | Balzers Aktiegesellschaft | Color wheel and picture generation unit with a color wheel |
| JP2001281562A (en) * | 2000-03-30 | 2001-10-10 | Hitachi Ltd | Rotary type color disk and video display device using the same |
| JP2003057424A (en) * | 2001-08-17 | 2003-02-26 | Seiko Epson Corp | Spectroscope, method for manufacturing the same, method for using the same and color display device provided with the same |
| US6598977B1 (en) * | 2002-08-08 | 2003-07-29 | Progressive Optoelectronics Technology Co., Ltd. | Color wheel having a bonding apparatus |
| CN2580482Y (en) * | 2002-10-15 | 2003-10-15 | 精碟科技股份有限公司 | Colour wheel and colour wheel cover sheet |
| CN2590040Y (en) * | 2002-09-29 | 2003-12-03 | 台达电子工业股份有限公司 | Filtering wheel module of image display device |
| JP2004101827A (en) * | 2002-09-09 | 2004-04-02 | Nidec Copal Electronics Corp | Color wheel and motor having the same |
-
2004
- 2004-04-22 CN CNB2004100341233A patent/CN100368930C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08160273A (en) * | 1994-12-09 | 1996-06-21 | Nikon Corp | Rotating filter pressing mechanism |
| US5868482A (en) * | 1996-04-30 | 1999-02-09 | Balzers Aktiegesellschaft | Color wheel and picture generation unit with a color wheel |
| JP2001281562A (en) * | 2000-03-30 | 2001-10-10 | Hitachi Ltd | Rotary type color disk and video display device using the same |
| JP2003057424A (en) * | 2001-08-17 | 2003-02-26 | Seiko Epson Corp | Spectroscope, method for manufacturing the same, method for using the same and color display device provided with the same |
| US6598977B1 (en) * | 2002-08-08 | 2003-07-29 | Progressive Optoelectronics Technology Co., Ltd. | Color wheel having a bonding apparatus |
| JP2004101827A (en) * | 2002-09-09 | 2004-04-02 | Nidec Copal Electronics Corp | Color wheel and motor having the same |
| CN2590040Y (en) * | 2002-09-29 | 2003-12-03 | 台达电子工业股份有限公司 | Filtering wheel module of image display device |
| CN2580482Y (en) * | 2002-10-15 | 2003-10-15 | 精碟科技股份有限公司 | Colour wheel and colour wheel cover sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430070B (en) * | 2008-04-30 | 2011-06-15 | 马田专业公司 | Color wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1690837A (en) | 2005-11-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20100422 |