CN204256347U - The bimodulus demonstration device of projector - Google Patents
The bimodulus demonstration device of projector Download PDFInfo
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- CN204256347U CN204256347U CN201420801517.6U CN201420801517U CN204256347U CN 204256347 U CN204256347 U CN 204256347U CN 201420801517 U CN201420801517 U CN 201420801517U CN 204256347 U CN204256347 U CN 204256347U
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- colour wheel
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Abstract
The utility model discloses a kind of bimodulus demonstration device of projector, include rotating fluorescent wheel, the first drive unit, colour wheel and the second drive unit, this fluorescent wheel has multiple fluorescence color section, colour wheel has the optical filter of multiple color, described second drive unit is the dual direction drive mechanism driving colour wheel to rotate forward and reverse, and also comprises starting point pen recorder.When colour wheel reverse makes projector present hi-bright mode, the clockwise projector that makes of colour wheel presents bright-coloured pattern; When colour wheel is clockwise make projector present height mode time, colour wheel reverse make projector present bright-coloured pattern.It utilizes the clockwise of colour wheel and reverse, the projector of same can produce hi-bright mode simultaneously with bright-coloured pattern two frameworks, and cost also will make cost increase because of the different colour wheel of needs.On the living conditions, more can not sometimes needing bright colors projector because of sometimes needing the projector of high brightness and worried, increasing the convenience of life.
Description
Technical field
The utility model relates to apparatus for optical projection art, refers in particular to a kind of bimodulus demonstration device of projector.
Background technology
Current projector is nothing more than three kinds of light sources: 1. mercury lamp 2.LED 3. laser, and this patent is applicable to need double-colored various projectors of taking turns.Laser projection belongs to technology comparatively novel at present, the principle of light source be utilize the array of many blue lasers put through lens combination by light focusing on fluorescent wheel, through the different colours above fluorescent wheel fluorescent powder with physical characteristics Lambertian (lambert's body) reflection after, then through lens combination and colour wheel, light is focused on again the porch of photoconductive tube.Laser projection produce color be then with fluorescent wheel above fluorescent powder convert blue laser optical excitation to other red, green, yellow light, then utilize colour wheel to be produced by LASER Excited Fluorescence powder action that comparatively broad band spectrum leaches a different colours intensity required for us and chromaticity coordinates.
Whole LASER Light Source structure comparatively mercury lamp is complicated and cost is higher, but the technology of environmental protection without mercury need be met under projector's trend in future, and on reliability, is at one stroke risen to more than four times of mercury lamp especially the life-span, under this technology, not only save and more change the bulb consumptive material but also reduce maintenance, can significantly reduce total cost thus.
With current technology, because the angle of colour wheel and revolution direction are fixing, if projector will produce hi-bright mode, must need to increase the yellow angle of very large regions, although brightness can significantly increase still, color must not be bright-coloured, overall picture also can be partially yellow, if go to adjust comparatively bright-coloured pattern with such colour wheel angle, the principle of adjustment electric current is utilized to be reduced by the zone current by brightness significantly can be increased, to produce a very large problem be like this exactly the angle of a color wheel piece is 360 degree, if the zone current significantly increasing brightness is reduced, the area that the purer region of color is just remaining few, the overall brightness that will produce bright-coloured pattern like this will be much lower, and the intensity of monochrome also can become very low because colour wheel angle is large not.
Utility model content
The utility model is for the disappearance of prior art existence, and its fundamental purpose is to provide a kind of bimodulus demonstration device of projector, and it can produce height mode and bright-coloured pattern two kinds of frameworks in same projector simultaneously.
For achieving the above object, the utility model adopts following technical scheme:
A kind of bimodulus demonstration device of projector, the first drive unit at least include rotating fluorescent wheel, fluorescent wheel being rotated, rotating optical filtering colour wheel and the second drive unit that optical filtering colour wheel is rotated, this fluorescent wheel has stimulated luminescence and excite the fluorescence color section producing coloured light, the optical filter of colour wheel has multiple color, described second drive unit is the dual direction drive mechanism driving optical filtering colour wheel to rotate forward and reverse, also comprise starting point pen recorder, by the starting point rotating forward described in described starting point recording device records and reverse.Or described first drive unit is bidirectional driving apparatus, the first drive unit is one-direction driving apparatus.
Preferably, described fluorescence color section is circular segments, and the coloured light of generation is yellowish green indigo plant, and multiple colors of described optical filter distribute ringwise.
As a kind of preferred version, when colour wheel reverse makes projector present hi-bright mode, the second drive unit drives the clockwise projector that makes of colour wheel to present bright-coloured pattern; When colour wheel is clockwise make projector present height mode time, second drive unit drive colour wheel reverse make projector present bright-coloured pattern.
As a kind of preferred version, described first drive unit drives the clockwise one-directional rotation of fluorescent wheel, and this second drive unit drive colour wheel is clockwise or reverse.
As a kind of preferred version, described colour wheel is clockwise different from the starting point corresponding to reverse.
As a kind of preferred version, described fluorescent wheel has the yellow Y sequentially arranged, green G, blue B section, the colour wheel of correspondence is equipped with the yellow Y, red R, green G and the white W optical filter that sequentially arrange, wherein on fluorescent wheel, the angle of yellow Y section equals the angle sum of yellow Y optical filter and red R optical filter on colour wheel; On colour wheel, the angle of yellow Y optical filter equals the angle of green B optical filter; When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel to reverse, and projector presents the hi-bright mode of the yellow Y of sequential, red R, green G and blue B; When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel clockwise, and projector presents the bright-coloured pattern of the green G of sequential, red R, green G and blue B.
As a kind of preferred version, described fluorescent wheel has the yellow Y sequentially arranged, green G, blue B section, the colour wheel of correspondence is equipped with the yellow Y, red R, green G and the white W optical filter that sequentially arrange, wherein on fluorescent wheel, the angle of yellow Y section equals the angle sum of yellow Y optical filter and red R optical filter on colour wheel; On colour wheel, the angle of yellow Y optical filter is not equal to the angle of green B optical filter; When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel to reverse, and projector presents the hi-bright mode of the yellow Y of sequential, red R, green G and blue B; When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel clockwise, and projector presents the bright-coloured pattern of the green G of sequential, red R, green G and blue B.
As a kind of preferred version, first utilize the reverse of colour wheel to coordinate with the clockwise of fluorescent wheel and present hi-bright mode, what recycle the clockwise and fluorescent wheel of colour wheel clockwise cooperation presents bright-coloured pattern.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, it utilizes the clockwise of colour wheel and reverse, the projector of same can produce hi-bright mode simultaneously with bright-coloured pattern two frameworks, but can not secure the brightness of just sacrificing bright-coloured pattern because of the colour wheel angle of hi-bright mode again and follow color, such board can have the high brightness advantage of data project (data projector) simultaneously, also can have the bright-coloured pattern of hometheater (home theater) simultaneously.Cost also will make cost increase because of the different colour wheel of needs.On the living conditions, more can not sometimes needing bright colors projector because of sometimes needing the projector of high brightness and worried, desired effect can be presented on same board, increase the convenience of life.
For more clearly setting forth architectural feature of the present utility model, technological means and the specific purposes reached thereof and function, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail:
Accompanying drawing explanation
Fig. 1 is the structure for amplifying schematic diagram of fluorescent wheel in the embodiment of the utility model;
Fig. 2 is the structure for amplifying schematic diagram of colour wheel in the embodiment of the utility model;
Fig. 3 is effect reference diagram when colour wheel reverses in first embodiment of the utility model;
Fig. 4 is effect reference diagram when colour wheel is clockwise in first embodiment of the utility model;
Fig. 5 is effect reference diagram when colour wheel reverses in second embodiment of the utility model;
Fig. 6 is effect reference diagram when colour wheel is clockwise in second embodiment of the utility model.
Accompanying drawing identifier declaration:
10, fluorescent wheel, 20, colour wheel, 11, the clockwise starting point of fluorescent wheel 11,21, colour wheel reverses starting point, 22, the clockwise starting point of colour wheel.
Embodiment
Please refer to shown in Fig. 1 and Fig. 2, Fig. 1 is the structure for amplifying schematic diagram of fluorescent wheel in the embodiment of the utility model; Fig. 2 is the structure for amplifying schematic diagram of colour wheel in the embodiment of the utility model.A kind of bimodulus demonstration device of projector at least includes rotating fluorescent wheel 10, the first drive unit (not shown) that fluorescent wheel is rotated, rotating colour wheel 20 and the second drive unit (not shown) that colour wheel 20 is rotated, this fluorescent wheel 10 has the yellow Y of multiple color section, green G, blue B, and distribute in the form of a ring, colour wheel 20 has the optical filter of the multiple colors distributed ringwise, namely circumferentially distribute in the card of colour wheel 20 wheel disc, can certainly with other distribution modes, as the distribution combined with circumference along the radial direction of card, the discontinuous distribution of circumference etc., only the multiple color of annular spread is described in detail at this.
First drive unit drives the clockwise one-directional rotation of fluorescent wheel 10, and in Fig. 1,11 represent the clockwise starting point of fluorescent wheel.Described second drive unit is the dual direction drive mechanism driving colour wheel 20 to rotate forward (namely clockwise) and reverse, and this second drive unit drive colour wheel 20 is clockwise or reverse.When colour wheel 20 reverse makes projector present hi-bright mode, the clockwise projector that makes of colour wheel 20 presents bright-coloured pattern; When colour wheel 20 is clockwise make projector present height mode time, colour wheel 20 reverse make projector present bright-coloured pattern.
Described colour wheel 20 is clockwise can be the same or different with the starting point corresponding to reverse.As shown in Figure 2, be the situation that starting point is not identical, 21 reverse starting point for colour wheel 20, and 22 is the clockwise starting point of colour wheel 20.Also comprise starting point pen recorder, by the starting point rotating forward described in described starting point recording device records and reverse.The embodiment of a concrete starting point pen recorder on color wheel motor, is provided with one piece of black patch remove to allow sensor sensing, clockwise is the two ends of black patch with reversing what encounter, this can allow software can be different when contraposition, so have when colour wheel is clockwise time color correct to place value, colour wheel reverse time also have one group of color to place value, color can be allowed to have optimized phenomenon.By this method, the tram of fluorescent wheel 10 or colour wheel 20 out color can be known.
More specifically, with reference to shown in Fig. 3 and Fig. 4, the concrete structure of first preferred embodiment of the utility model can be that show, under the starting point that Fig. 1 and Fig. 2 determines, Fig. 3 is the effect reference diagram of colour wheel 20 when reversing, Fig. 4 be colour wheel clockwise time effect reference diagram.First we utilize yellow Y, green G, fluorescent wheel 10 color out of blue B (blue light for pure laser) order arranges in pairs or groups yellow Y, green R again, the colour wheel of blue G, white W order 20 (angle that angle equals the yellow Y of optical filtering colour wheel, red R is added up of the yellow Y of fluorescent wheel 10), then can produce yellow Y, red R, green G, blue B tetra-kinds of pure colors (with reference to Fig. 3), so just can produce hi-bright mode.
But have yellow region significantly can increase brightness but the color of overall picture also can be allowed to seem partially yellow, the angle due to yellow mating plate equals the angle of green color filter.If after the drive unit motor of optical filtering colour wheel reverses, originally yellow Y, red R, green G, the optical filtering colour wheel of white W order will become green G, red R, yellow Y, the colour wheel 20 of white W order is arranged in pairs or groups fluorescent wheel 10 yellow Y originally again, green G, the fluorescent wheel of white B order, then can produce green G, red R, green G, blue B tri-kinds of colors, but the optical filter that the very high yellow area of originally brightness is green above colour wheel and contribute in green solid, relatively, color relation only has red R, green G, blue B three primary colors form, such colour wheel can represent the pattern of bright-colored completely, also deliberately need not adjust each zone current to go to present bright-coloured pattern (with reference to Fig. 4).
Please refer to shown in Fig. 5 and Fig. 6, that show the concrete structure (fluorescent wheel 10 and colour wheel 20 starting point are thrown away as depicted in figs. 1 and 2) of second preferred embodiment of the utility model.Fig. 5 be another kind of optical filtering colour wheel reverse time effect reference diagram, Fig. 6 be this kind of optical filtering colour wheel clockwise time effect reference diagram.We utilize yellow Y, green G, fluorescent wheel 10 color out of blue B (blue light for pure laser) order arranges in pairs or groups yellow Y again, the colour wheel of red R, green G, white W order 20 (angle that angle equals the yellow Y of colour wheel, red R is added up of the yellow Y of fluorescent wheel), then can produce yellow Y, red R, green G, blue B tetra-kinds of pure colors, so just can produce hi-bright mode (with reference to Fig. 5).
Angle due to yellow mating plate is not equal to the angle of green color filter, if after the drive unit motor of colour wheel 20 reverses, originally yellow Y, red R, green G, the colour wheel of white W order will become green G, red R, yellow Y, the colour wheel of white W order is arranged in pairs or groups fluorescent wheel yellow Y originally again, green G, the fluorescent wheel of blue B order, then can produce green G, red R, yellow Y, green G, blue B tetra-kinds of colors, but the yellow area of bulk is because the relation of color block filter also reduces originally, so also can produce comparatively bright-colored (with reference to Fig. 6).
Certainly, the first drive unit drives fluorescent wheel 10 when reversing one-directional rotation, and the second drive unit drives colour wheel 20 to rotate forward with to reverse produced color clockwise the same with fluorescent wheel 10.
In sum, design focal point of the present utility model is, it utilizes fluorescent wheel 10 one-directional rotation, the clockwise and reverse of optical filtering colour wheel 20; Or the clockwise and reverse of fluorescent wheel 10, colour wheel 20 one-directional rotation, the projector of same can produce hi-bright mode simultaneously with bright-coloured pattern two frameworks, but can not secure the brightness of just sacrificing bright-coloured pattern because of the colour wheel angle of hi-bright mode again and follow color, such board can have the high brightness advantage of data project (data projector) simultaneously, also can have the bright-coloured pattern of home theater (home theater) simultaneously.Cost also will make cost increase because of the different colour wheel of needs.On the living conditions, more can not sometimes needing bright colors projector because of sometimes needing the projector of high brightness and worried, desired effect can be presented on same board, increase the convenience of life.
Certainly, the first drive unit of driving fluorescent wheel 10 also can be made to be the dual direction drive mechanism driving fluorescent wheel 10 to rotate forward and reverse, now, the second drive unit is then for driving the driving mechanism of single turn of colour wheel 20, and the effect produced is identical with previous embodiment.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. the bimodulus demonstration device of a projector, it is characterized in that: the first drive unit at least include rotating fluorescent wheel, fluorescent wheel being rotated, rotating optical filtering colour wheel and the second drive unit that optical filtering colour wheel is rotated, this fluorescent wheel has stimulated luminescence and excite the fluorescence color section producing coloured light, the optical filter of colour wheel has multiple color, described second drive unit is the dual direction drive mechanism driving optical filtering colour wheel to rotate forward and reverse, also comprise starting point pen recorder, by the starting point rotating forward described in described starting point recording device records and reverse.
2. the bimodulus demonstration device of projector according to claim 1, is characterized in that described fluorescence color section is circular segments, and the coloured light of generation is yellowish green indigo plant, and the multiple colors on described optical filter distribute ringwise.
3. the bimodulus demonstration device of projector according to claim 1 and 2, is characterized in that: when colour wheel reverse makes projector present hi-bright mode, the second drive unit drives the clockwise projector that makes of colour wheel to present bright-coloured pattern; When colour wheel is clockwise make projector present height mode time, second drive unit drive colour wheel reverse make projector present bright-coloured pattern.
4. the bimodulus demonstration device of projector according to claim 1 and 2, is characterized in that: described first drive unit drives the clockwise one-directional rotation of fluorescent wheel, and this second drive unit drive colour wheel is clockwise or reverse.
5. the bimodulus demonstration device of projector according to claim 1 and 2, is characterized in that: described colour wheel is clockwise different from the starting point corresponding to reverse.
6. the bimodulus demonstration device of projector according to claim 3, it is characterized in that: described fluorescent wheel has the yellow Y sequentially arranged, green G, blue B section, the colour wheel of correspondence is equipped with the yellow Y, red R, green G and the white W optical filter that sequentially arrange, wherein on fluorescent wheel, the angle of yellow Y section equals the angle sum of yellow Y optical filter and red R optical filter on colour wheel; On colour wheel, the angle of yellow Y optical filter equals the angle of green B optical filter;
When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel to reverse, and projector presents the hi-bright mode of the yellow Y of sequential, red R, green G and blue B;
When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel clockwise, and projector presents the bright-coloured pattern of the green G of sequential, red R, green G and blue B.
7. the bimodulus demonstration device of projector according to claim 1 and 2, it is characterized in that: described fluorescent wheel has the yellow Y sequentially arranged, green G, blue B section, the colour wheel of correspondence is equipped with the yellow Y, red R, green G and the white W optical filter that sequentially arrange, wherein on fluorescent wheel, the angle of yellow Y section equals the angle sum of yellow Y optical filter and red R optical filter on colour wheel; On colour wheel, the angle of yellow Y optical filter is not equal to the angle of green B optical filter;
When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel to reverse, and projector presents the hi-bright mode of the yellow Y of sequential, red R, green G and blue B;
When the first drive unit drives fluorescent wheel clockwise, the second drive unit drives colour wheel clockwise, and projector presents the bright-coloured pattern of the green G of sequential, red R, green G and blue B.
8. a projector, is characterized in that: adopt one of claim 1-7 described bimodulus demonstration device.
9. the bimodulus demonstration device of a projector, it is characterized in that: the first drive unit at least include rotating fluorescent wheel, fluorescent wheel being rotated, rotating colour wheel and the second drive unit that colour wheel is rotated, this fluorescent wheel has stimulated luminescence and excite the fluorescence color section producing coloured light, the optical filter of colour wheel has multiple color, described first drive unit is the dual direction drive mechanism driving fluorescent wheel to rotate forward and reverse, also comprise starting point pen recorder, by the starting point rotating forward described in described starting point recording device records and reverse.
10. a projector, is characterized in that: adopt bimodulus demonstration device described in claim 9.
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|---|---|---|---|
| CN201420801517.6U CN204256347U (en) | 2014-12-16 | 2014-12-16 | The bimodulus demonstration device of projector |
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| CN201420801517.6U CN204256347U (en) | 2014-12-16 | 2014-12-16 | The bimodulus demonstration device of projector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460199A (en) * | 2014-12-16 | 2015-03-25 | 无锡视美乐激光显示科技有限公司 | Dual-mode display device and method for projector |
| CN107037680A (en) * | 2017-05-08 | 2017-08-11 | 苏州佳世达光电有限公司 | Optical projection system |
| CN109424941A (en) * | 2017-07-05 | 2019-03-05 | 深圳光峰科技股份有限公司 | Wavelength converter and laser fluorescence conversion hysteria light source |
-
2014
- 2014-12-16 CN CN201420801517.6U patent/CN204256347U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460199A (en) * | 2014-12-16 | 2015-03-25 | 无锡视美乐激光显示科技有限公司 | Dual-mode display device and method for projector |
| CN107037680A (en) * | 2017-05-08 | 2017-08-11 | 苏州佳世达光电有限公司 | Optical projection system |
| CN107037680B (en) * | 2017-05-08 | 2019-09-20 | 苏州佳世达光电有限公司 | Optical projection system |
| CN109424941A (en) * | 2017-07-05 | 2019-03-05 | 深圳光峰科技股份有限公司 | Wavelength converter and laser fluorescence conversion hysteria light source |
| CN109424941B (en) * | 2017-07-05 | 2020-10-16 | 深圳光峰科技股份有限公司 | Wavelength conversion device and laser fluorescence conversion type light source |
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