CN102818221B - A kind of optical system for stage lamp - Google Patents
A kind of optical system for stage lamp Download PDFInfo
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- CN102818221B CN102818221B CN201210337959.5A CN201210337959A CN102818221B CN 102818221 B CN102818221 B CN 102818221B CN 201210337959 A CN201210337959 A CN 201210337959A CN 102818221 B CN102818221 B CN 102818221B
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Abstract
The present invention is a kind of optical system for stage lamp.Comprise light source, light collecting device, effect assemblies, the first optical module, the second optical module, the position of blocking light beam can be moved to and the first optical module moving to the position of not blocking light beam is installed between effect assemblies and the second optical module by the activity of mobile handoff mechanism, when first optical module moves to the position of blocking light beam, main beam projects away through the second optical module through after the first optical module after effect assemblies, and the first optical module moves along the direction of the primary optical axis of main beam and realizes zoom between effect assemblies and the second optical module; When first optical module moves to the position of almost not blocking light beam completely, main beam projects away through the second optical module after effect assemblies.When the present invention is used for stage lamp, through simply switching the different lighting effects of two kinds of can obtain originally could must realizing with two desk lamps, saves the cost of user, and also saving installing space limited on stage.
Description
Technical field
The present invention is a kind of optical system for stage lamp, belongs to the renovation technique of the optical system for stage lamp.
Background technology
Light of stage has following effect in modern stage performance: 1) performance illumination, makes spectators see actor performance and scenery image clearly; 2) spectators' sight line is guided; 3) mould figure image, set off emotion by contrast and represent stage illusion; 4) space environment needed in play is created; 5) atmosphere in play is played up; 6) when showing, dally and change, outstanding drama contradiction and reinforcement stage rhythm, enrich artistic appeal.Existing conventional light fixture has: spotlight, sealed beam lamp, soft light, follow spot light, light diffuser etc., wherein the light of soft light is soft well-balanced, can stressing main a part, there is no again stiff hot spot, be convenient to several lamp be connected mutually, be used for the closely light position such as post light, flowing light; And the feature of sealed beam lamp to be light quality hard, illumination is high and irradiation distance is far away, be one not only economic, but also major light efficiently, be used for remote light position.
Need to use a soft light and a sealed beam lamp respectively when realizing sheen and light beam two kinds of effects in current stage performing art illumination, user quite feels and uses inconvenience, too increase the cost that user buys light of stage equipment, and also need to take installing space limited on stage.
Summary of the invention
The object of the invention is to consider the problems referred to above and a kind of optical system for stage lamp that simultaneously can realize sheen and light beam two kinds of effects is provided.The present invention is reasonable in design, convenient and practical, not only saves the cost of user, and also saves installing space limited on stage.
Technical scheme of the present invention is: the optical system for stage lamp of the present invention, include light source, light collecting device, effect assemblies, first optical module, be fixed on the second optical module of light fixture light-emitting window, the position of blocking light beam can be moved to and the first optical module moving to the position of not blocking light beam is installed between effect assemblies and the second optical module by the activity of mobile handoff mechanism, the light that light source sends pools the main beam of the direction of propagation along light after light collecting device reflection, when first optical module moves to the position of blocking light beam, main beam projects away through the second optical module through after the first optical module after effect assemblies, first optical module moves along the direction of the primary optical axis A of main beam and realizes zoom between effect assemblies and the second optical module, when first optical module moves to the position of almost not blocking light beam completely, main beam directly projects away through the second optical module after effect assemblies.
When above-mentioned first optical module moves to the position of blocking light beam, the geometric center of the first optical module is orthogonal with the primary optical axis A of main beam.
The optics that above-mentioned first optical module is fly's-eye lens or is made up of microlens array, the plane of incidence has scattering particles.
The disk-like structure that above-mentioned first optical module is a circle or is made up of two semicircles; Above-mentioned second optical module is Fresnel Lenses; Above-mentioned light source is bubble lamp or LED; Above-mentioned effect assemblies at least comprises an aperture or color chips dish, and wherein color chips dish is at least provided with a white flexible unthreaded hole; Above-mentioned light collecting device is for collecting light and changing parabola or the ellipsoid of the angular aperture of light beam, or ellipsoid reflector.
The luminous point of above-mentioned light source is located at the focal point F 1 of ellipsoid set by light collecting device, and the most of light collection of the light that light source sends after ellipsoid reflection is in another focal point F 2 of ellipsoid; Near the focal point F 2 that the aperture of above-mentioned effect assemblies or light hole are positioned at ellipsoid or focal point F 2.
Above-mentioned mobile handoff mechanism comprises base plate, slide block, camera lens circle, and wherein the first optical module is fixed on camera lens circle, and camera lens circle is connected with slide block, and slide block is connected with the driving mechanism that slide block can be driven along base plate moving linearly.
Above-mentioned driving mechanism includes group of motors, transmission mechanism, wherein transmission mechanism is the transmission mechanism that rotary motion can be converted to rectilinear motion, the driving link of transmission mechanism is connected with the output shaft of group of motors, and the driven member of transmission mechanism is connected with slide block, and group of motors is fixed on base plate.
Above-mentioned base plate is also equiped with guiding guide rail, and slide block is provided with guide hole, and slide block is sleeved on guide rail by set guide hole and forms moving guide rail pair; Or base plate being equiped with guiding guide rail, slide block is directly placed on guide rail and forms moving guide rail pair.
The both sides of above-mentioned camera lens circle are equiped with slide block respectively, and the both sides of base plate are corresponding is respectively provided with the driving mechanism that slide block can be driven along base plate moving linearly.
The two ends of above-mentioned camera lens circle both sides are equiped with slide block respectively, and the two ends of base plate both sides are corresponding is respectively provided with the driving mechanism that slide block can be driven along base plate moving linearly.
The structure that the present invention integrates owing to adopting the beam effect that stage can be commonly used and soft light effect, when the present invention is used for stage lamp, through simply switching the different lighting effects of two kinds of can obtain originally could must realizing with two desk lamps, the present invention not only saves the cost of user, and also saves installing space limited on stage.The present invention is that a kind of design is ingenious, function admirable, the convenient and practical optical system for stage lamp.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of mobile handoff mechanism of the present invention;
Fig. 3 is sealed beam lamp light path principle figure of the present invention;
Fig. 4 is soft light light path principle figure of the present invention.
Detailed description of the invention
Embodiment
Structural representation of the present invention as shown in Figure 1, optical system for stage lamp of the present invention, include light source 10, light collecting device 20, effect assemblies 30, first optical module 40, be fixed on the second optical module 50 of light fixture light-emitting window, the position of blocking light beam can be moved to and the first optical module 40 moving to the position of not blocking light beam is installed between effect assemblies 30 and the second optical module 50 by the activity of mobile handoff mechanism, the light that light source 10 sends pools the main beam 11 along the direction of propagation of light after light collecting device 20 reflects, when first optical module 40 moves to the position of blocking light beam, main beam 11 projects away through the second optical module 50 through after the first optical module 40 after effect assemblies 30, first optical module 40 moves along the direction of the primary optical axis A of main beam 11 and realizes zoom between effect assemblies 30 and the second optical module 50, when first optical module 40 moves to the position of almost not blocking light beam completely, main beam 11 directly projects away through the second optical module 50 after effect assemblies 30.
When above-mentioned first optical module 40 moves to the position of blocking light beam, the geometric center of the first optical module 40 is orthogonal with the primary optical axis A of main beam 11.
The optics that above-mentioned first optical module 40 is fly's-eye lens or is made up of microlens array, the plane of incidence has scattering particles.
The luminous point of above-mentioned light source 10 is located at the focal point F 1 of ellipsoid set by light collecting device 20, and the most of light collection of the light that light source 10 sends after ellipsoid reflection is in another focal point F 2 of ellipsoid; Near the focal point F 2 that the aperture of above-mentioned effect assemblies 30 or light hole are positioned at ellipsoid or focal point F 2.In the present embodiment, first optical module 40 is preferably the disk-like structure that entirety can be a circle or be made up of two semicircles, there is astigmatism functions, scattering is there is in light beam through the first optical module 40, soft uniform emergent light is obtained after the second optical module 50, for soft light pattern, be used for the closely light position such as post light, flowing light.First optical module 40 moves the size and light intensity that can change soft light light beam along the direction of the primary optical axis A of main beam 11.In the present embodiment, second optical module 50 is preferably Fresnel Lenses, when not tackling light beam when the first optical module 40 is not in operating position, after Fresnel mirror, the light beam that a branch of light quality is hard, illumination is high and irradiation distance is far away is obtained after the effect assemblies 30 such as light beam via hole diameter light billows, for sealed beam lamp pattern, be used for remote light position.
In the present embodiment, the disk-like structure that above-mentioned first optical module 40 is a circle or is made up of two semicircles; Above-mentioned light source 10 is bubble lamp or LED; Above-mentioned effect assemblies 30 at least comprises an aperture or color chips dish, and wherein color chips dish is at least provided with a white flexible unthreaded hole; Above-mentioned light collecting device 20 is for collecting light and changing parabola or the ellipsoid of the angular aperture of light beam, or ellipsoid reflector.The luminous point of above-mentioned light source 10 is located at the focal point F 1 of ellipsoid set by light collecting device 20, the light that light source (10) sends through ellipsoid reflection after most light collection in another focal point F 2 of ellipsoid.
Near the focal point F 2 that the aperture of above-mentioned effect assemblies 30 or light hole are positioned at ellipsoid or focal point F 2.
In the present embodiment, above-mentioned mobile handoff mechanism comprises base plate 41, slide block 43, camera lens circle 46, wherein the first optical module 40 is fixed on camera lens circle 46, and camera lens circle 46 is connected with slide block 43, and slide block 43 is connected with the driving mechanism that slide block can be driven along base plate 41 moving linearly.
In the present embodiment, above-mentioned driving mechanism includes group of motors 42, transmission mechanism 45, wherein transmission mechanism 45 is the transmission mechanism that rotary motion can be converted to rectilinear motion, the driving link of transmission mechanism 45 is connected with the output shaft of group of motors 42, the driven member of transmission mechanism 45 is connected with slide block 43, and group of motors 42 is fixed on base plate 41.Transmission mechanism 45 can be rack and pinion drive mechanism, also can be slider-crank mechanism, can also be cam mechanism, the preferred rack and pinion drive mechanism of the present embodiment.
In addition, move freely and guarantee that its direction of motion is accurate in order to ensure slide block 43, above-mentioned base plate 41 is also equiped with guiding guide rail 44, and slide block 43 is provided with guide hole, and slide block 43 is sleeved on guide rail 44 by set guide hole and forms moving guide rail pair; Or base plate 41 is equiped with guiding guide rail 44, slide block 43 is directly placed on guide rail 44 and forms moving guide rail pair.
For guarantee slide block 43 further motion freely and guarantee that its direction of motion is accurate; the both sides of above-mentioned camera lens circle 46 are equiped with slide block 43 respectively; the both sides of base plate 41 are corresponding is respectively provided with the driving mechanism that slide block can be driven along base plate 41 moving linearly; two cover driving mechanisms can share a group of motors 42; also can respectively by different group of motors 42, but two group of motors 42 control by control system is unified.
For further guarantee slide block 43 motion freely and guarantee that its direction of motion is accurate; the two ends of above-mentioned camera lens circle 46 both sides are equiped with slide block 43 respectively; the two ends of base plate 41 both sides are corresponding is respectively provided with the driving mechanism that slide block can be driven along base plate 41 moving linearly; four cover driving mechanisms can share a group of motors 42; also can respectively by different group of motors 42, but four group of motors 42 control by control system is unified.
When the present invention works, the light that light source 10 sends pools the main beam 11 along the direction of propagation of light after light collecting device 20 reflects, when first optical module 40 moves to the position of blocking light beam, main beam 11 projects away through the second optical module 50 through after the first optical module 40 after effect assemblies 30, it is now soft light pattern, now, the first optical module 40 moves along the direction of the primary optical axis A of main beam 11 and realizes zoom between effect assemblies 30 and the second optical module 50; When first optical module 40 moves to the position of almost not blocking light beam completely, main beam 11 directly projects away through the second optical module 50 after effect assemblies 30, is now sealed beam lamp pattern.
The soft light pattern sealed beam lamp mould that stage is conventional is integrated on a desk lamp by the present invention, through simply switching the different lighting effects of two kinds of can obtain originally could must realizing with two desk lamps, save cost and the installing space of user, the present invention is a kind of optical system being used for stage lamp that beam effect and soft light effect can be integrated on a desk lamp.
Claims (8)
1. the optical system for stage lamp, it is characterized in that including light source (10), light collecting device (20), effect assemblies (30), first optical module (40), be fixed on second optical module (50) of light fixture light-emitting window, the position of blocking light beam can be moved to and the first optical module (40) moving to the position of not blocking light beam is installed between effect assemblies (30) and the second optical module (50) by the activity of mobile handoff mechanism, the light that light source (10) sends pools the main beam (11) of the direction of propagation along light after light collecting device (20) reflection, when first optical module (40) moves to the position of blocking light beam, main beam (11) projects away by the second optical module (50) through the first optical module (40) after effect assemblies (30), first optical module (40) moves along the direction of the primary optical axis A of main beam (11) and realizes zoom between effect assemblies (30) and the second optical module (50), when first optical module (40) moves to the position of almost not blocking light beam completely, main beam (11) is direct after effect assemblies (30) to be projected away through the second optical module (50), above-mentioned mobile handoff mechanism comprises base plate (41), slide block (43), camera lens circle (46), wherein the first optical module (40) is fixed on camera lens circle (46), camera lens circle (46) is connected with slide block (43), and slide block (43) is connected with the driving mechanism that slide block can be driven along base plate (41) moving linearly, above-mentioned driving mechanism includes group of motors (42), transmission mechanism (45), wherein transmission mechanism (45) is the transmission mechanism that rotary motion can be converted to rectilinear motion, the driving link of transmission mechanism (45) is connected with the output shaft of group of motors (42), the driven member of transmission mechanism (45) is connected with slide block (43), and group of motors (42) is fixed on base plate (41).
2. the optical system for stage lamp according to claim 1, when it is characterized in that above-mentioned first optical module (40) moves to the position of blocking light beam, the first optical module (40) is orthogonal with the primary optical axis A of main beam (11) in geometric center.
3. the optical system for stage lamp according to claim 1, it is characterized in that the optics that above-mentioned first optical module (40) is fly's-eye lens or is made up of microlens array, the plane of incidence has scattering particles.
4. the optical system for stage lamp according to claim 1, is characterized in that the disk-like structure that above-mentioned first optical module (40) is a circle or is made up of two semicircles; Above-mentioned second optical module (50) is Fresnel Lenses; Above-mentioned light source (10) is bubble lamp or LED; Above-mentioned effect assemblies (30) at least comprises an aperture or color chips dish, and wherein color chips dish is at least provided with a circular light hole; Above-mentioned light collecting device (20) is for collecting light and changing parabola or the ellipsoid of the angular aperture of light beam, or ellipsoid reflector.
5. the optical system for stage lamp according to claim 4, it is characterized in that the luminous point of above-mentioned light source (10) is located at the focal point F 1 of the set ellipsoid of light collecting device (20), the most of light collection of the light that light source (10) sends after ellipsoid reflection is in another focal point F 2 of ellipsoid; Near the focal point F 2 that the aperture of above-mentioned effect assemblies (30) or light hole are positioned at ellipsoid or focal point F 2.
6. the optical system for stage lamp according to any one of claim 1 to 5, it is characterized in that above-mentioned base plate (41) is also equiped with guiding guide rail (44), slide block (43) is provided with guide hole, and it is secondary that slide block (43) is sleeved on guide rail (44) upper formation moving guide rail by set guide hole; Or base plate (41) is equiped with guiding guide rail (44), it is secondary that slide block (43) is directly placed in guide rail (44) upper formation moving guide rail.
7. the optical system for stage lamp according to claim 6, is characterized in that above-mentioned
The both sides of camera lens circle (46) are equiped with slide block (43) respectively, and the both sides of base plate (41) are corresponding is respectively provided with the driving mechanism that slide block can be driven along base plate (41) moving linearly.
8. the optical system for stage lamp according to claim 7, it is characterized in that the two ends of above-mentioned camera lens circle (46) both sides are equiped with slide block (43) respectively, the two ends of base plate (41) both sides are corresponding is respectively provided with the driving mechanism that slide block can be driven along base plate (41) moving linearly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337959.5A CN102818221B (en) | 2012-09-13 | 2012-09-13 | A kind of optical system for stage lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210337959.5A CN102818221B (en) | 2012-09-13 | 2012-09-13 | A kind of optical system for stage lamp |
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| CN102818221A CN102818221A (en) | 2012-12-12 |
| CN102818221B true CN102818221B (en) | 2015-11-25 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014117702A1 (en) * | 2013-02-04 | 2014-08-07 | 深圳市光峰光电技术有限公司 | Light-emitting device and lamp |
| CN103807692B (en) * | 2014-03-12 | 2016-04-13 | 广州市浩洋电子有限公司 | The stage lighting optical system that a kind of pattern and beam effect switch mutually |
| CN104266109B (en) * | 2014-09-16 | 2017-03-01 | 广州市浩洋电子有限公司 | There is the stage lighting optical system of sheen and beam effect |
| CN105090830A (en) * | 2015-08-19 | 2015-11-25 | 广州市浩洋电子有限公司 | Stage lighting system for improving uniformity of light spots |
| CN105423229A (en) * | 2015-12-30 | 2016-03-23 | 广州达森灯光股份有限公司 | Stage lighting system with light beam and pattern effect |
| CN105546470A (en) * | 2016-02-02 | 2016-05-04 | 广州博锐电子有限公司 | LED optical imaging device |
| CN107121875A (en) * | 2017-03-29 | 2017-09-01 | 努比亚技术有限公司 | A kind of light compensating apparatus, filming apparatus and mobile terminal |
| CN111174180B (en) * | 2020-01-19 | 2022-04-26 | 平行现实（杭州）科技有限公司 | Large dynamic range light beam steering device |
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| CN202852695U (en) * | 2012-09-13 | 2013-04-03 | 广州市浩洋电子有限公司 | Optical system used for stage lamps |
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| US7163317B2 (en) * | 2003-07-21 | 2007-01-16 | Wybron, Inc. | Color-changing apparatus, and associated method, for a light assembly |
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| CN201121841Y (en) * | 2007-11-26 | 2008-09-24 | 广州市番禺区南艺灯光音响实业有限公司 | Novel structure of multifunctional stage lights |
| CN202092009U (en) * | 2011-03-30 | 2011-12-28 | 孙明远 | Multifunctional moving light system |
| CN202852695U (en) * | 2012-09-13 | 2013-04-03 | 广州市浩洋电子有限公司 | Optical system used for stage lamps |
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Address after: Hai road Guangzhou city Guangdong province 511450 Panyu District Shiji Town, No. 109 Patentee after: Guangzhou Hao Yang electronic Limited by Share Ltd Address before: Hai road Guangzhou city Guangdong province 511450 Panyu District Shiji Town, No. 109 Patentee before: Guangzhou Haoyang Electronics Co., Ltd. |