CN101216658A - Digital single machine inner projection whole ball curtain projection system - Google Patents
Digital single machine inner projection whole ball curtain projection system Download PDFInfo
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- CN101216658A CN101216658A CNA2007101857110A CN200710185711A CN101216658A CN 101216658 A CN101216658 A CN 101216658A CN A2007101857110 A CNA2007101857110 A CN A2007101857110A CN 200710185711 A CN200710185711 A CN 200710185711A CN 101216658 A CN101216658 A CN 101216658A
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- 241000881853 Galaxias maculatus Species 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
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- 238000004088 simulation Methods 0.000 abstract description 3
- 238000012549 training Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 241000251468 Actinopterygii Species 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
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- 238000012545 processing Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000007499 fusion processing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention provides a digital stand-alone internal-projection whole-spherical-screen projection system, which comprises a digital projector, a fish-eye lens with a super viewing angle used for the digital projector and a spherical screen covering 4/5 to 9/10 area of a whole sphere, which is used for a combined projection of the digital projector and the fish-eye lens with the super viewing angle. The invention can conduct full-frame internal projection on a nearly whole-spherical transmission-type spherical screen only with one fish-eye lens and one common digital projector, and can guarantee a certain level of brightness and picture definition; the invention can be applied in the fields of city beautification project, advertising campaign on a plaza, corporation image display and product display, military training and command simulation, dimensional orientation analysis and panoramic analysis, synchronous playing of frames in a gymnasium, etc.
Description
Technical field
Patent of the present invention relates to a kind of new shadow casting technique, relate to a kind of digital single machine inner projection whole ball curtain projection system specifically, can cross by using the logical digital projector of a fish eye lens and a Daepori, be used for fields such as the beautiful chemical industry journey in city, square advertising, corporate image and product introduction, military training and commander's simulation, dimensional orientation and panorama analysis, the broadcast of stadiums picture synchronization with regard to carrying out the inner projection of complete picture fully to the transmission-type ball curtain that is close to whole ball.
Background technology
Along with the continuous progress of digital technology, the digital projection industry obtains unprecedented development, is that the various projection application of platform produce in succession with the digital projector, and ball curtain form flash is wherein a kind of.The maximum ball curtain digital projection of application comprises that the ball curtain that early stage ball curtain film movie is adopted all is (ball curtain area is less than or equal to half of whole sphere) of hemisphere or little hemisphere at present, and reason is the constraint that is subjected to the picture illumination and the angle of view in conventional film film and present digital ball-screen projection technology; Even visible once in a while report recently to the projection pattern of global-type ball curtain based on digital projector in, also be to utilize the digital projector more than two to cooperate the wide-angle lens of equivalent to finish, make up in the process of finishing the projection of global-type curtain at many digital projectors, to merge picture, the seat in the plane accurately designs, quantities is very big, and expense is also quite expensive.Because the progress of digital image processing techniques, to the continuous upgrading of the raising of material deformation process ability and market to the novel projection pattern demand of variation, promoted digital ball-screen projection industry to improve constantly and developed that the appearance of near-complete ball-screen projection mode also just becomes inevitable.
Digital projector in the market is mainly based on three kinds of core technologies, be DLP (DigitalLight Processing, with DMD is target surface, reflective illumination), LCD (Liquid CrystalDisplay, the transmission-type illumination), D-ILA (Direct-Drive Image Light Amplifier, with LCOS is target surface, reflective illumination), the target surface quantity that adopts is one or three, different classes of digital projector, and performance characteristics has nothing in common with each other, luminance index also difference is very big, visible in the market digital projector is with the brightness maximum of DLP type, the highlyest can reach nearly 30,000 lumens, is enough to guarantee the projection of unit to complete ball curtain.
Under the regular situation, fish-eye running parameter comprises following four basic indexs: field angle, relative aperture, adaptation image height, optics back work distance from.These four index mutual restriction, interrelated play a leading role to aberration, and strengthening arbitrary index all can directly influence other three indexs.Therefore, in the optical design process, fish-eye field angle is difficult to accomplish very big (surpassing 210 degree).At present, field angle surpasses 210 degree and is fit to the fish eye lenses that digital projector uses and occurs in succession at civil area, in addition field angle reach 280 degree can be practical fish eye lens also being born, this is just for realizing that unit projection whole world curtain lays a good foundation.
Summary of the invention
Situation in view of above-mentioned prior art, the object of the present invention is to provide a kind of digital single machine inner projection whole ball curtain projection system, realization is based on the simplification problem of digital projector to the projection of full spherical curtain, it has the simple characteristics of utilizing separate unit digital projector, ultra-large vision field cowfish glasses head and a width of cloth transmission-type sphere curtain, has finished the present invention on this basis.
For realizing purpose of the present invention, the present invention finishes by the following technical programs.A kind of digital single machine inner projection whole ball curtain projection system comprises having a digital projector; With the ultra-large vision field cowfish glasses head that is installed on the above-mentioned digital projector; With being used for above-mentioned digital projector and ultra-large vision field cowfish glasses head combined projection is the sphere curtain of 4/5～9/10 whole ball at area.Therefore,, can satisfy the needs that under a lot of occasions whole sphere curtain carried out digital projection, under strict equidistant projection situation, or under non-equidistant projection situation, can cover and be close to 70%～90% sphere curtain area by this simple projection array mode.
According to technical scheme of the present invention, the fish-eye field angle scope in ultra-large vision field angle in one's power is 240 degree-300 degree.
According to technical scheme of the present invention, the diameter range of whole sphere curtain in one's power is the interior throwing formula or the back projection type of the transmission-type ball curtain of 1-8 rice.
According to technical scheme of the present invention, projector in one's power is based on DLP, LCD, three kinds of core technologies of D-ILA; Single target surface or three target surfaces of target surface size in 0.7 inch～1.2 inches scopes.
The good effect that the present invention had is: use this version can form whole world curtain digital projection simply, do not have later stage picture splicing and fusion process, on-the-spot simple installation is easily gone, and not only reduces the projection engineering cost but also shorten construction period.In addition, owing to be the unit structure, saved very big space, made the projection of minor diameter ball curtain become possibility, when the ball curtain less than 2 rice diameters was carried out inner projection, many splicing schemes almost can't realize, and this just in time is the advantage of unit scheme.The present invention just can carry out the inner projection of complete picture to the transmission-type ball curtain that is close to whole ball, and guarantee certain brightness and image sharpness fully by using the logical digital projector of a fish eye lens and a Daepori.Can be used for fields such as the beautiful chemical industry journey in city, square advertising, corporate image and product introduction, military training and commander's simulation, dimensional orientation and panorama analysis, the broadcast of stadiums picture synchronization.
Description of drawings
Fig. 1 is a system schematic of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, enforcement of the present invention and the beneficial effect that has are described in further detail.
By shown in Figure 1, digital single machine inner projection whole ball curtain projection system comprises a digital projector 1, and the projection facility that a ultra-large vision field cowfish glasses head 2 is formed a ultra-large vision field scope is installed thereon; Described projection facility is installed in the digital single machine inner projection whole ball curtain projection system that constitutes in the width of cloth transmission-type ball curtain 3.
The present invention is the same with the conventional ball-screen projection process of structure, at first according to the size---diameter R of application choice ball curtain, determine the emergent light illumination index of needed number projector again according to the size of R, also to consider the time that projection process continues, determine specification, the performance of projector according to above-mentioned two basic conditions like this, Sanyo (PLC-XF4600), Sony (SRX-S110), crust can (SLM R10+) or the like the high-brightness projection machine all can use; Secondly, selecting the applicant's number of patent application is 200710185280.8, the spherical ball-screen projection of digital projector ultra-large vision field cowfish glasses head; The field angle of optical parametric, the especially camera lens of the relevant camera lens of this ultra-large vision field cowfish glasses head and back work distance according to the fish-eye optical parametric that can provide, are 240 degree-300 degree as the field angle scope from L; Relative aperture is f/2,4-f/2,8; Be suitable for 14,5 millimeters-27 millimeters of image height diameters (one inch target surface to two inch target surface); Back work distance is from L:48 millimeter-80 millimeter.Related ball curtain diameter range is at 1-8 rice; Select the spherical curtain of transmission-type (existing market is on sale) for use, the projection pattern of throwing or rear-projection in adopting.
Projector in above-mentioned can formal dress for the projection form of whole ball curtain, and promptly camera lens is towards the sky direction, the ground on meeting exhibition room or square; Also can upside-down mounting, promptly camera lens is towards ground, on the ceiling of stadiums, the dress that perhaps crouches, i.e. camera lens optical axis level, outstanding or window, walkway corner etc. in building.
Select digital projector mainly based on three kinds of core technologies, be DLP (Digital LightProcessing, with DMD is target surface, reflective illumination), LCD (Liquid CrystalDisplay, the transmission-type illumination), D-ILA (Direct-Drive Image Light Amplifier, with LCOS is target surface, reflective illumination), the target surface quantity that adopts is one or three, different classes of digital projector, and performance characteristics has nothing in common with each other, luminance index also difference is very big, visible in the market digital projector is with the brightness maximum of DLP type, the highlyest can reach nearly 30,000 lumens, is enough to guarantee the projection of unit to complete ball curtain.
Under the regular situation, fish-eye running parameter comprises following four basic indexs: field angle, relative aperture, adaptation image height, optics back work distance from.These four index mutual restriction, interrelated play a leading role to aberration, and strengthening arbitrary index all can directly influence other three indexs.
Ball curtain diameter is at 1～8 meter, and under strict equidistant projection situation, camera lens can cover 70%～78% complete sphere at the centre of sphere point of ball curtain; Under non-equidistant projection situation, camera lens departs from the centre of sphere R/6, and R is a ball curtain diameter, and can cover and be close to 90% sphere curtain area remainder is that mounting platform is reserved.
Claims (4)
1. a digital single machine inner projection whole ball curtain projection system is characterized in that, comprising:
Has a digital projector (1); With
The ultra-large vision field cowfish glasses heads (2) that are used for above-mentioned digital projector (1); With
Being used for above-mentioned digital projector (1) is the sphere curtain (3) of 4/5～9/10 whole ball at area with ultra-large vision field cowfish glasses heads (2) combined projection.
2. by the described a kind of digital single machine inner projection whole ball curtain projection system of claim 1, it is characterized in that the field angle scope of described ultra-large vision field cowfish glasses heads (2) is 240 degree-300 degree.
3. by claim 1,2 described a kind of digital single machine inner projection whole ball curtain projection systems, it is characterized in that the diameter range of described whole sphere curtain (3) is the interior throwing formula of 1-8 rice or the transmission-type ball curtain of back projection type.
4. by claim 1,2 described a kind of digital single machine inner projection whole ball curtain projection systems, it is characterized in that described projector (1) is based on DLP, LCD, D-ILA; Single target surface or three target surfaces of target surface size in 0.7 inch～1.2 inches scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101857110A CN101216658A (en) | 2007-12-27 | 2007-12-27 | Digital single machine inner projection whole ball curtain projection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101857110A CN101216658A (en) | 2007-12-27 | 2007-12-27 | Digital single machine inner projection whole ball curtain projection system |
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| CN101216658A true CN101216658A (en) | 2008-07-09 |
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| CNA2007101857110A Pending CN101216658A (en) | 2007-12-27 | 2007-12-27 | Digital single machine inner projection whole ball curtain projection system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654804A (en) * | 2011-05-18 | 2012-09-05 | 上海华博信息服务有限公司 | Man-machine interaction system based on irregular screen body multi-point touch |
| CN102881197A (en) * | 2012-08-15 | 2013-01-16 | 无锡羿飞科技有限公司 | Dual-purpose multi-media projection demonstration system used for dome screen and dome |
| CN103034032A (en) * | 2012-11-30 | 2013-04-10 | 无锡羿飞科技有限公司 | Multi-projector overlying automatic calibration method based on spherical display |
| CN103852963A (en) * | 2012-11-30 | 2014-06-11 | 无锡羿飞科技有限公司 | Projection system capable of enhancing spherical display brightness |
| CN103852964A (en) * | 2012-11-30 | 2014-06-11 | 无锡羿飞科技有限公司 | Spherical display brightness enhancing method |
| CN105629639A (en) * | 2016-01-27 | 2016-06-01 | 秦皇岛视听机械研究所 | Spherical display system based on super-wide field angle fish-eye lens |
| CN106507025A (en) * | 2016-11-17 | 2017-03-15 | 宁波菊风系统软件有限公司 | A kind of mobile terminal and panoramic video communication method |
| CN107941149A (en) * | 2017-11-28 | 2018-04-20 | 天津大学 | The adjustable simulation ball proscenia of radius |
| CN114942564A (en) * | 2022-06-07 | 2022-08-26 | 北京领为军融科技有限公司 | Large-view-field rear projection system and rear projection spherical screen for air combat confrontation simulation training |
-
2007
- 2007-12-27 CN CNA2007101857110A patent/CN101216658A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654804A (en) * | 2011-05-18 | 2012-09-05 | 上海华博信息服务有限公司 | Man-machine interaction system based on irregular screen body multi-point touch |
| CN102881197A (en) * | 2012-08-15 | 2013-01-16 | 无锡羿飞科技有限公司 | Dual-purpose multi-media projection demonstration system used for dome screen and dome |
| CN103034032A (en) * | 2012-11-30 | 2013-04-10 | 无锡羿飞科技有限公司 | Multi-projector overlying automatic calibration method based on spherical display |
| CN103852963A (en) * | 2012-11-30 | 2014-06-11 | 无锡羿飞科技有限公司 | Projection system capable of enhancing spherical display brightness |
| CN103852964A (en) * | 2012-11-30 | 2014-06-11 | 无锡羿飞科技有限公司 | Spherical display brightness enhancing method |
| CN103852963B (en) * | 2012-11-30 | 2016-01-27 | 无锡羿飞科技有限公司 | Spherical display brightness strengthens optical projection system |
| CN103852964B (en) * | 2012-11-30 | 2016-01-27 | 无锡羿飞科技有限公司 | Spherical display brightness enhancement method |
| CN105629639A (en) * | 2016-01-27 | 2016-06-01 | 秦皇岛视听机械研究所 | Spherical display system based on super-wide field angle fish-eye lens |
| CN106507025A (en) * | 2016-11-17 | 2017-03-15 | 宁波菊风系统软件有限公司 | A kind of mobile terminal and panoramic video communication method |
| CN107941149A (en) * | 2017-11-28 | 2018-04-20 | 天津大学 | The adjustable simulation ball proscenia of radius |
| CN107941149B (en) * | 2017-11-28 | 2019-10-15 | 天津大学 | Simulated dome device with adjustable radius |
| CN114942564A (en) * | 2022-06-07 | 2022-08-26 | 北京领为军融科技有限公司 | Large-view-field rear projection system and rear projection spherical screen for air combat confrontation simulation training |
| CN114942564B (en) * | 2022-06-07 | 2024-05-28 | 北京领为军融科技有限公司 | Large-view-field rear projection system for air combat countermeasure simulation training and rear projection ball curtain |
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