CN101929617B - Double-lamp illuminating system and zooming light combination device thereof - Google Patents
Double-lamp illuminating system and zooming light combination device thereof Download PDFInfo
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- CN101929617B CN101929617B CN2009101508890A CN200910150889A CN101929617B CN 101929617 B CN101929617 B CN 101929617B CN 2009101508890 A CN2009101508890 A CN 2009101508890A CN 200910150889 A CN200910150889 A CN 200910150889A CN 101929617 B CN101929617 B CN 101929617B
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Abstract
The invention discloses a double-lamp illuminating system and a zooming light combination device thereof. The double-lamp illuminating system comprises a first light source, a second light source, a light deflection device, a light homogenization device and a lens component. The light deflection device reflects the beams emitted by the first light source and the second light source and combines the beams into a mixed beam; and the light homogenization device receives and homogenizes the mixed beam. The lens component is arranged between the light deflection device and the light homogenization device and comprises a first zooming lens group adjacent to the light deflection device and a second zooming lens group adjacent to the light homogenizing device; and the first zooming lens group has the same structure as the second zooming lens group.
Description
Technical field
The present invention relates to a kind of double-lamp illuminating system, relate in particular to a kind of double-lamp illuminating system that comprises zoom lens.
Background technology
Fig. 1 is a schematic diagram, has shown that United States Patent (USP) announces the two lamps that disclose for US7182468 number and close photosystem 100 and design.As shown in Figure 1, utilize optical integration pillar 106,108 to collect the light beam in the light beam in lamp source, left side 102 and starboard light source 104 respectively and import another optical integration pillar 110 to obtain to close light effect.Yet, because the hole size of the light beam in the light beam in lamp source, left side 102 and starboard light source 104 when entering optical integration pillar 110, be half of optical integration pillar 110 openings, collection efficiency is restricted, can't increase and receive light area and receive the optic angle degree.Therefore, known design is suggested to head it off.
As shown in Figure 2, United States Patent (USP) is announced and is disclosed a kind of pair of lamp US7201498 number and close photosystem 200 designs, and two lamps close photosystem 200 and comprise lamp source 202,204, close optical lens group 206 and reflecting prism 208 movably.By the mobile adjustable integration light effect of reflecting prism 208, receive the optic angle degree to improve emitting brightness but can't further improve.In addition, as shown in Figure 3, Taiwan publication TW200743822 number discloses a kind of pair of lamp and closes photosystem 300, comprises the light beam that light-combining prism 302 sends with reflectoscope source 304,306, and two lamp closes photosystem 300 and comprises collector lens 312,314,316 and close light effect with raising.Similarly known design for example United States Patent (USP) announce US6224217 number, United States Patent (USP) announce also disclose for US7125144 number comprise light-combining prism and set of lenses close the photosystem design.Yet the light-combining prism in these known design can't move, if can't provide good illumination efficiency and brightness when only opening single lamp.
Summary of the invention
The invention provides a kind of double-lamp illuminating system and zooming light combination device thereof with good receipts optic angle degree and emitting brightness.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching above-mentioned one or part or all of purpose or other purposes, embodiments of the invention provide a kind of double-lamp illuminating system, and the double-lamp illuminating system of embodiments of the invention comprises first light source and secondary light source, light deflection device, light homogenizer and the lens subassembly that is arranged on diverse location.First light source produces first light beam and secondary light source produces second light beam, the light deflection device is arranged on second light path of first light path of first light beam and second light beam to reflect first light beam and second light beam, and make first light beam and second light beam combine light into mixed light beam, and receive and the homogenising mixed light beam by the light homogenizer.Lens subassembly is arranged between light deflection device and the light homogenizer, lens subassembly comprises first variable focus lens package of adjacent light deviation device and second variable focus lens package of adjacent light homogenizer, the structure of this first variable focus lens package is identical with the structure of this second variable focus lens package, and the putting position of the putting position of this first variable focus lens package and this zoom second set of lenses is roughly symmetrical.
Another embodiment of the present invention provides a kind of zooming light combination device, and this zooming light combination device comprises light deflection device, light homogenizer and lens subassembly.First side of light deflection device towards first light source and second side towards secondary light source, the light deflection device is arranged on one of them of second light path of first light path of first light beam that first light source produced and second light beam that secondary light source produced, to reflect one of them of this first light beam and this second light beam.One of them of the reception of light homogenizer and homogenising first light beam and second light beam.Lens subassembly is arranged between light deflection device and the light homogenizer, to adjust the receipts optic angle degree of this light homogenizer.Lens subassembly comprises first variable focus lens package of adjacent light deviation device and second variable focus lens package of adjacent light homogenizer, the structure of first variable focus lens package is identical with the structure of second variable focus lens package, and the putting position of the putting position of first variable focus lens package and second variable focus lens package is roughly symmetrical.The light deflection device is a movable piece, by one of them of light quantity that reflects into the light quantity of first light beam of light inlet homogenizer and second light beam with adjustment that move of light deflection device.
In an embodiment, towards secondary light source, and first side can press from both sides a right angle and form the reflection plated film respectively with second side towards second side of first light source and light deflection device in first side of light deflection device.
In an embodiment, the light deflection device roughly is positioned on the line of first light source and secondary light source, and mixed light beam is along first direction transmission and this first direction and this line approximate vertical.
In an embodiment, first variable focus lens package comprises first lens and second lens of being arranged towards the light homogenizer by the light deflection device, second variable focus lens package comprises the 3rd lens and the 4th lens of being arranged towards the light homogenizer by the light deflection device, these first lens are identical with the 4th lens, and these second lens are identical with the 3rd lens.The putting position of first lens is for fixing, and the putting position of second lens, the 3rd lens and the 4th lens is adjustable.
Based on the design of above-mentioned each embodiment, by the lens subassembly that is arranged between light deflection device and light homogenizer is carried out the zoom adjustment, the receipts optic angle degree that can make the light homogenizer is adjusted and improves emitting brightness.Moreover, because of the light deflection device is designed to movable piece, can adjust the light quantity that reflects into the light inlet homogenizer by moving of light deflection device.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, embodiment cited below particularly and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 closes the schematic diagram of photosystem design for showing known pair of lamp.
Fig. 2 closes the schematic diagram of photosystem design for showing another known pair of lamp.
Fig. 3 closes the schematic diagram of photosystem design for showing another known pair of lamp.
Fig. 4 is the schematic diagram according to the double-lamp illuminating system of the embodiment of the invention.
Fig. 5 and Fig. 6 adjust the mode schematic diagram according to the formation of the lens subassembly of the embodiment of the invention and zoom.
Fig. 7 A is a schematic diagram, and the embodiment of demonstration scioptics assembly carries out the adjusted luminous flux of zoom and improves effect.
Fig. 7 B is a schematic diagram, the displacement of second lens and the brightness relationship of light input end when the embodiment of demonstration scioptics assembly carries out the zoom adjustment.
Fig. 8 is the schematic diagram according to another embodiment of the present invention, shows the brightness adjustment mode of double-lamp illuminating system when opening single lamp.
Fig. 9 tabular light-combining prism improves effect in the emitting brightness that difference is adjusted under the displacement.
Figure 10 and Figure 11 are schematic diagram, show the different embodiment of lens subassembly structure.
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of the embodiment of following conjunction with figs., can clearly present.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are directions with reference to the accompanying drawings.Therefore, the direction term of use is used for illustrating not to be to be used for limiting the present invention.
Fig. 4 is the schematic diagram according to the double-lamp illuminating system of the embodiment of the invention.As shown in Figure 4, double-lamp illuminating system 10 comprises first light source 12 that is arranged on diverse location and secondary light source 14, light deflection device 16, light homogenizer 18, and lens subassembly 22.Light deflection device 16 for example can be light-combining prism 26, and light homogenizer 18 for example can be optical integration pillar 28.In the present embodiment, light-combining prism 26 roughly is positioned on the line of first light source 12 and secondary light source 14.First light source 12 produces the first light beam I1 and secondary light source 14 produces the second light beam I2, the side M of light-combining prism 26 towards first light source 12 and another side N towards secondary light source 14, side M, N all are coated with one deck reflection plated film, therefore when light-combining prism 26 is arranged on the light path of the light path of the first light beam I1 and the second light beam I2, light-combining prism 26 can reflect the first light beam I1 and the second light beam I2 and those light beams are closed light is mixed light beam I, and mixed light beam I enters optical integration pillar 28 backs by optical integration pillar 28 homogenising.In an embodiment, the side M and the side N of light-combining prism 26 press from both sides a right angle, and direction of transfer approximate vertical first light source 12 of mixed light beam I and the line of secondary light source 14.
Fig. 8 is the schematic diagram according to another embodiment of the present invention, shows the brightness adjustment mode of double-lamp illuminating system 10 when opening single lamp.As shown in Figure 8, when having only one of them lamp source to open (for example diagram is only opened in the first lamp source 12) in two lamps source, by adjusting the position of light-combining prism 26, for example illustrate by position P and move to position Q, can improve the position and the angle of light-combining prism 26 reflection rays, thereby improve the light quantity that reflects into into optical integration pillar 28.The position of light-combining prism 26 for example can be along one of them adjustment of parallel double lamp source line direction (X-axis) and vertical join line direction (Z axle), Fig. 9 tabular goes out the different effects of improving of adjusting displacement, as shown in Figure 9, by adjusting the position of light-combining prism 26, the emitting brightness in the time of double-lamp illuminating system only can being opened single lamp is brought up to 97% of the emitting brightness that is roughly single lamp illuminating system.
By above-mentioned each embodiment as can be known, light deflection device, light homogenizer and lens subassembly can constitute zooming light combination device, when the lens subassembly that is arranged between light deflection device and light homogenizer is carried out the zoom adjustment, the receipts optic angle degree of adjustable lay the grain homogenizer also improves emitting brightness.Moreover, because of the light deflection device is designed to movable piece, when double-lamp illuminating system is only opened single lamp, adjust the light quantity that reflects into the light inlet homogenizer by moving of light deflection device.
Figure 10 and Figure 11 are schematic diagram, show the different embodiment of lens subassembly 22 structures.In the double-lamp illuminating system of aforementioned each embodiment, employed lens subassembly structure does not limit, two groups of identical variable focus lens package only need be provided, and the roughly symmetrical receipts optic angle degree that can adjust and improve optical integration pillar 28 of the putting position of two groups of identical variable focus lens package.As shown in figure 10, lens subassembly 22 by lens L1, L2, L3, and L4 constitute, lens L1 and lens L4 are identical and putting position relative aperture light hurdle (stop) SP before zoom is adjusted is also identical, and lens L2 is identical with lens L3 and putting position relative aperture light hurdle SP before zoom is adjusted is also identical.The radius of curvature of lens L1 surface S1 is-61.835mm that the radius of curvature of lens L1 surface S2 is-17mm.The radius of curvature of lens L2 surface S3 is 589.848mm, and the radius of curvature of lens L2 surface S4 is-28.887mm.Another embodiment as shown in figure 11, lens subassembly 22 by lens L5, L6, L7, and L8 constitute, lens L5 and lens L8 are identical and putting position relative aperture light hurdle SP is also identical, and lens L6 is identical with lens L7 and putting position relative aperture light hurdle SP is also identical.The radius of curvature of lens L5 surface S5 is 14.667mm, and the radius of curvature of lens L5 surface S6 is-19.174mm.The radius of curvature of lens L6 surface S7 is-22.64mm that the radius of curvature of lens L6 surface S8 is-18.15mm.
The above, only be the preferred embodiments of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of being done according to claim of the present invention and invention description content generally changes and revises, and all still belongs in the scope that patent of the present invention contains.Arbitrary embodiment of the present invention in addition or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not to be used for limiting interest field of the present invention.
Claims (15)
1. double-lamp illuminating system comprises:
Be arranged on first light source and the secondary light source of diverse location, described first light source produces first light beam and described secondary light source produces second light beam;
Light deflection device, second light path that is arranged on first light path of described first light beam and described second light beam to be reflecting described first light beam and described second light beam, and make described first light beam and described second light beam combine light into mixed light beam;
The light homogenizer receives and the described mixed light beam of homogenising; And
Lens subassembly, be arranged between described light deflection device and the described smooth homogenizer, described lens subassembly comprises first variable focus lens package of contiguous described light deflection device and second variable focus lens package of contiguous described smooth homogenizer, the structure of described first variable focus lens package is identical with the structure of described second variable focus lens package, and the putting position of the putting position of described first variable focus lens package and described second variable focus lens package is roughly symmetrical.
2. double-lamp illuminating system as claimed in claim 1, first side of described light deflection device towards second side of described first light source and described light deflection device towards described secondary light source.
3. double-lamp illuminating system as claimed in claim 2, wherein, described first side and described second side form the reflection plated film respectively.
4. double-lamp illuminating system as claimed in claim 2, wherein, described first side and described second side press from both sides a right angle.
5. double-lamp illuminating system as claimed in claim 1, wherein, described light deflection device is a light-combining prism.
6. double-lamp illuminating system as claimed in claim 1, wherein, described light deflection device roughly is positioned on the line of described first light source and described secondary light source, and described mixed light beam is along the first direction transmission, and described first direction and described line approximate vertical.
7. double-lamp illuminating system as claimed in claim 1, wherein, described first variable focus lens package comprises first lens and second lens of being arranged towards described smooth homogenizer by described light deflection device, described second variable focus lens package comprises the 3rd lens and the 4th lens of being arranged towards described smooth homogenizer by described light deflection device, described first lens are identical with described the 4th lens, and described second lens are identical with described the 3rd lens.
8. double-lamp illuminating system as claimed in claim 7, wherein, the putting position of described first lens is for fixing, and the putting position of described second lens, described the 3rd lens and described the 4th lens is adjustable.
9. zooming light combination device comprises:
The light deflection device, first side of described light deflection device towards second side of first light source and described light deflection device towards secondary light source, described light deflection device is arranged on one of them of second light path of first light path of first light beam that described first light source produced and second light beam that described secondary light source produced, to reflect one of them of described first light beam and described second light beam;
The light homogenizer, one of them of reception and described first light beam of homogenising and described second light beam; And
Lens subassembly, be arranged between described light deflection device and the described smooth homogenizer to adjust the receipts optic angle degree of described smooth homogenizer, described lens subassembly comprises first variable focus lens package of contiguous described light deflection device and second variable focus lens package of contiguous described smooth homogenizer, the structure of described first variable focus lens package is identical with the structure of described second variable focus lens package, and the putting position of the putting position of described first variable focus lens package and described second variable focus lens package is symmetry roughly
Wherein, described light deflection device is a movable piece, by one of them of light quantity that enters the light quantity of described first light beam of described smooth homogenizer and described second light beam with adjustment that move of described light deflection device.
10. zooming light combination device as claimed in claim 9, wherein, described first side and described second side form the reflection plated film respectively.
11. zooming light combination device as claimed in claim 9, wherein, described first side and described second side press from both sides a right angle.
12. zooming light combination device as claimed in claim 9, wherein, described light deflection device is a light-combining prism.
13. zooming light combination device as claimed in claim 9, wherein, described light deflection device roughly is positioned on the line of described first light source and described secondary light source, one of them of described first light beam and described second light beam is along the first direction transmission, and described first direction and described line approximate vertical.
14. zooming light combination device as claimed in claim 9, wherein, described first variable focus lens package comprises first lens and second lens of being arranged towards described smooth homogenizer by described light deflection device, described second variable focus lens package comprises the 3rd lens and the 4th lens of being arranged towards described smooth homogenizer by described light deflection device, described first lens are identical with described the 4th lens, and described second lens are identical with described the 3rd lens.
15. zooming light combination device as claimed in claim 14, wherein, the putting position of described first lens is for fixing, and the putting position of described second lens, described the 3rd lens and described the 4th lens is adjustable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101508890A CN101929617B (en) | 2009-06-25 | 2009-06-25 | Double-lamp illuminating system and zooming light combination device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101508890A CN101929617B (en) | 2009-06-25 | 2009-06-25 | Double-lamp illuminating system and zooming light combination device thereof |
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| Publication Number | Publication Date |
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| CN101929617A CN101929617A (en) | 2010-12-29 |
| CN101929617B true CN101929617B (en) | 2011-08-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224217B1 (en) * | 1998-09-28 | 2001-05-01 | Matsushita Electric Industrial Co., Ltd. | Optical illumination apparatus and image projection apparatus |
| US7182468B1 (en) * | 2004-06-07 | 2007-02-27 | Delta Electronics, Inc. | Dual lamp illumination system using multiple integrator rods |
| US7201498B2 (en) * | 2002-10-10 | 2007-04-10 | Matsushita Electric Industrial Co., Ltd. | Lighting apparatus |
| TW200743822A (en) * | 2006-05-16 | 2007-12-01 | Delta Electronics Inc | Projector apparatus with multi-light sources and light coupling module thereof |
-
2009
- 2009-06-25 CN CN2009101508890A patent/CN101929617B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224217B1 (en) * | 1998-09-28 | 2001-05-01 | Matsushita Electric Industrial Co., Ltd. | Optical illumination apparatus and image projection apparatus |
| US7201498B2 (en) * | 2002-10-10 | 2007-04-10 | Matsushita Electric Industrial Co., Ltd. | Lighting apparatus |
| US7182468B1 (en) * | 2004-06-07 | 2007-02-27 | Delta Electronics, Inc. | Dual lamp illumination system using multiple integrator rods |
| TW200743822A (en) * | 2006-05-16 | 2007-12-01 | Delta Electronics Inc | Projector apparatus with multi-light sources and light coupling module thereof |
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| CN101929617A (en) | 2010-12-29 |
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