CN102881197A - Dual-purpose multi-media projection demonstration system used for dome screen and dome - Google Patents
Dual-purpose multi-media projection demonstration system used for dome screen and dome Download PDFInfo
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- CN102881197A CN102881197A CN2012102901840A CN201210290184A CN102881197A CN 102881197 A CN102881197 A CN 102881197A CN 2012102901840 A CN2012102901840 A CN 2012102901840A CN 201210290184 A CN201210290184 A CN 201210290184A CN 102881197 A CN102881197 A CN 102881197A
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Abstract
The invention provides a dual-purpose multi-media projection demonstration system used for a dome screen and a dome in geography class and astronomy class teaching. The system adopts the method of quickly changing lenses to realize the purpose of completely and clearly displaying demonstration pictures on the dome screen and the dome. In addition, the system has higher brightness and resolution and achieves a good display effect, and meanwhile, the transportation, installation, use and maintenance are convenient, and the cost is lower. The system comprises a dome, a dome screen, a fish-eye lens, a short-focus lens, a projector, a computer and a base, wherein a lens support device is arranged on the base and is used for fixing the fish-eye lens or the short-focus lens on the base; during the demonstration of the dome screen, the light emitted by the projector is projected to the dome screen through the fish-eye lens fixed on the base; during the demonstration of the dome, the fish-eye lens is replaced by the short-focus lens, and the light emitted by the projector is projected to the dome through the short-focus lens; and the computer is connected with the projector for controlling the projection of the projector on the dome screen or the dome.
Description
Technical field
The present invention relates to a kind of multimedia demonstrating device, especially relate to the dual-purpose multimedia overhead projector demo system of a kind of ball curtain/dome for geography class/astronomical teaching.
Background technology
The multimedia ball-screen projection demonstrator of at present geography class teaching usefulness, generally only has the ball-screen projection function, namely can only demonstrate in spherical screen, be implemented in the projection on the sphere, and the planetarium that can't carry out when astronomical teaching on dome is demonstrated, and independent digital astronomical phenomena instrument volume is very large, need to take independent place, the switching when being not easy to impart knowledge to students.Although also there are some to adopt the dual-purpose multimedia ball-screen projection demonstrator of elevating method now, taking off the ball backstage is increased to the position that is fit to the dome projection and carries out the planetarium demonstration, but the fish eye lens crevice projection angle that ball-screen projection is used is very large, the luminance loss is very high, project to and to cause the very large waste of display frame on the dome, and cause brightness and the not high problem of resolution of viewing area, also there is in addition the problem that lifting table is expensive, transport and install inconvenience.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, provide a kind of ball curtain/dome for geography class/astronomical teaching dual-purpose multimedia overhead projector demo system, basis at existing multimedia ball-screen projection demonstrator increases by one piece of short-focus lens, method by the quick-replaceable camera lens, be implemented in and all can show the complete purpose of demonstrating clearly picture on ball curtain and the dome, and the quick switching of two kinds of demonstrations of ball curtain/dome mode, convenient transportation, mounting, commissioning and maintenance, cost is also lower.
Technical scheme of the present invention is:
The dual-purpose multimedia overhead projector demo system of a kind of ball curtain/dome is characterized in that, comprises ball curtain, fish eye lens, dome, short-focus lens, projector, computing machine, base; Have on the described base fish eye lens or short-focus lens are fixed on lens support on the base; One opening is arranged at described ball curtain bottom, the fish eye lens that is fixed on the base by described bracing or strutting arrangement is positioned at described opening center, the projector that is in base inside is positioned at described fish-eye dead astern, and the light that projector is sent by fish eye lens projects on the ball curtain; Described dome is hemisphere or spherical crown shape, replace with described short-focus lens on the described fixing fish-eye bracing or strutting arrangement, being fixed on short-focus lens on the base by described bracing or strutting arrangement is positioned under the described dome, the projector that is in base inside is positioned at the dead astern of described short-focus lens, and the light that projector is sent by short-focus lens projects on the dome; Described computing machine is connected with described projector, is used for controlling described projector to the projection of described ball curtain or dome.
Have draw-in groove on the described bracing or strutting arrangement, by draw-in groove fish eye lens or short-focus lens are installed on the bracing or strutting arrangement.
Described computing machine places described base inside or places described base exterior.
Technique effect of the present invention:
The dual-purpose multimedia overhead projector demo system of ball curtain/dome provided by the invention, basis at existing multimedia ball-screen projection demonstrator for geography class teaching, increase by one piece of short-focus lens, when carrying out the ball-screen projection demonstration, use fish eye lens, when astronomical teaching need to carry out the planetarium demonstration, take off ball curtain and fish eye lens, directly change short-focus lens, can show the complete picture of demonstrating clearly at dome, and realize higher brightness and resolution, obtain better display effect; Method by direct replacing camera lens, be implemented in and all can show the complete purpose of demonstrating clearly picture on ball curtain and the dome, and change traditional spiral camera lens fixed form into the card slot type fixed form, make things convenient for the quick switching of two kinds of demonstrations of ball curtain/dome mode, transport simultaneously, installation, use and maintenance be all very convenient, cost is also lower.
Description of drawings
Fig. 1 is the embodiment synoptic diagram of the dual-purpose multimedia overhead projector demo system of ball curtain/dome of the present invention when ball-screen projection.
Fig. 2 is the embodiment synoptic diagram of the dual-purpose multimedia overhead projector demo system of ball curtain/dome of the present invention when the dome projection.
Reference numeral lists as follows: 1-dome, 2-ball curtain, 3-fish eye lens, 4-projector, 5-base, 6-computing machine, 7-short-focus lens, 8-bracing or strutting arrangement.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
As shown in Figure 1, carry out the embodiment synoptic diagram of ball-screen projection when the geographical teaching for the dual-purpose multimedia overhead projector demo system of ball curtain/dome of the present invention.Comprise ball curtain 2, fish eye lens 3, projector 4, base 5 and computing machine 6; Have on the base 5 fish eye lens is fixed on lens support 8 on the base 5; One opening is arranged at ball curtain 2 bottoms; The fish eye lens 3 that is fixed on the base 5 by described bracing or strutting arrangement 8 is positioned at described opening center, and the projector 4 that is in base inside is positioned at the dead astern of described fish eye lens 3, and the light that projector 4 is sent by fish eye lens 3 projects on the ball curtain 2; Computing machine 6 is connected with projector 4, is used for controlling projection instrument 4 to the projection of ball curtain 2, and computing machine 6 can place base 5 inside also can place base 5 outsides.
As shown in Figure 2, the embodiment synoptic diagram that carries out the dome projection for the dual-purpose multimedia overhead projector demo system of ball curtain/dome of the present invention when the astronomical teaching.Comprise dome 1, projector 4, base 5 and computing machine 6 and short-focus lens 7; Ball curtain 2 among Fig. 1 and fish eye lens 3 are taken off, replace with short-focus lens 7 at bracing or strutting arrangement 8, in the present embodiment, have draw-in groove on the bracing or strutting arrangement 8, fish eye lens or short-focus lens are installed on the bracing or strutting arrangement by draw-in groove, and it is very convenient to change; Be fixed on short-focus lens 7 on the base 5 by described bracing or strutting arrangement 8 and place under the described dome 1, the projector 4 that is in base inside is positioned at the dead astern of described short-focus lens 7, and the light that projector 4 is sent by short-focus lens 7 projects on the dome 1; Computing machine 6 is connected with projector 4, is used for controlling projection instrument 4 to the projection of dome 1, and computing machine 6 can place base 5 inside also can place base 5 outsides.
Should be pointed out that the above embodiment can make the invention of those skilled in the art's comprehend, but do not limit the present invention in any way creation.Therefore, although this instructions and embodiment have been described in detail to the invention,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the invention; And all do not break away from technical scheme and the improvement thereof of the spirit and scope of the invention, and it all is encompassed in the middle of the protection domain of the invention patent.
Claims (3)
1. the dual-purpose multimedia overhead projector demo system of ball curtain/dome is characterized in that, comprises ball curtain, fish eye lens, dome, short-focus lens, projector, computing machine, base; Have on the described base fish eye lens or short-focus lens are fixed on lens support on the base; One opening is arranged at described ball curtain bottom, the fish eye lens that is fixed on the base by described bracing or strutting arrangement is positioned at described opening center, the projector that is in base inside is positioned at described fish-eye dead astern, and the light that projector is sent by fish eye lens projects on the ball curtain; Described dome is hemisphere or spherical crown shape, replace with described short-focus lens on the described fixing fish-eye bracing or strutting arrangement, being fixed on short-focus lens on the base by described bracing or strutting arrangement is positioned under the described dome, the projector that is in base inside is positioned at the dead astern of described short-focus lens, and the light that projector is sent by short-focus lens projects on the dome; Described computing machine is connected with described projector, is used for controlling described projector to the projection of described ball curtain or dome.
2. the dual-purpose multimedia overhead projector demo system of ball curtain/dome according to claim 1 is characterized in that having draw-in groove on the described bracing or strutting arrangement, by draw-in groove fish eye lens or short-focus lens is installed on the bracing or strutting arrangement.
3. the dual-purpose multimedia overhead projector demo system of ball curtain/dome according to claim 1 is characterized in that, described computing machine places described base inside or places described base exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102901840A CN102881197A (en) | 2012-08-15 | 2012-08-15 | Dual-purpose multi-media projection demonstration system used for dome screen and dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102901840A CN102881197A (en) | 2012-08-15 | 2012-08-15 | Dual-purpose multi-media projection demonstration system used for dome screen and dome |
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| CN102881197A true CN102881197A (en) | 2013-01-16 |
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| CN2012102901840A Pending CN102881197A (en) | 2012-08-15 | 2012-08-15 | Dual-purpose multi-media projection demonstration system used for dome screen and dome |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205241A (en) * | 2016-09-29 | 2016-12-07 | 广东广视通科教设备有限公司 | Multi-functional geographical teaching equipment |
| CN109143762A (en) * | 2018-09-18 | 2019-01-04 | 中国特种飞行器研究所 | Spherical projection instrument system |
| RU192582U1 (en) * | 2019-06-11 | 2019-09-23 | Федеральное государственное бюджетное учреждение науки Геофизический центр Российской академии наук (ГЦ РАН) | DIGITAL DEMONSTRATION DEVICE |
| CN110769140A (en) * | 2019-11-20 | 2020-02-07 | 合肥英睿系统技术有限公司 | Electronic imaging device and resolution switching method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5546139A (en) * | 1993-06-28 | 1996-08-13 | Bacs, Jr.; Aron | Moving imagery projection system |
| CN1262458A (en) * | 1999-01-29 | 2000-08-09 | 松下电器产业株式会社 | Liquid crystal projector |
| JP2003241648A (en) * | 2002-02-15 | 2003-08-29 | Ryuichi Iwamasa | Multimedia globe and multimedia globe control system |
| CN200976212Y (en) * | 2006-09-06 | 2007-11-14 | 北京天强创业电气技术有限责任公司 | Refraction-type global inner projection device |
| CN101216658A (en) * | 2007-12-27 | 2008-07-09 | 秦皇岛视听机械研究所 | Digital single machine inner projection whole ball curtain projection system |
| CN101546101A (en) * | 2009-05-08 | 2009-09-30 | 科翔电子(深圳)有限公司 | Projection device |
| JP4355508B2 (en) * | 2003-04-02 | 2009-11-04 | 株式会社五藤光学研究所 | Video image projector on dome screen |
| JP4550967B2 (en) * | 2000-04-27 | 2010-09-22 | コニカミノルタプラネタリウム株式会社 | Video image projection device on dome screen |
| CN102289284A (en) * | 2011-08-05 | 2011-12-21 | 上海源珅多媒体有限公司 | Spherical interactive induction protection device |
| CN202758505U (en) * | 2012-08-15 | 2013-02-27 | 无锡羿飞科技有限公司 | Dual-purpose multimedia projection demonstration system for spherical screen/dome |
-
2012
- 2012-08-15 CN CN2012102901840A patent/CN102881197A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5546139A (en) * | 1993-06-28 | 1996-08-13 | Bacs, Jr.; Aron | Moving imagery projection system |
| CN1262458A (en) * | 1999-01-29 | 2000-08-09 | 松下电器产业株式会社 | Liquid crystal projector |
| JP4550967B2 (en) * | 2000-04-27 | 2010-09-22 | コニカミノルタプラネタリウム株式会社 | Video image projection device on dome screen |
| JP2003241648A (en) * | 2002-02-15 | 2003-08-29 | Ryuichi Iwamasa | Multimedia globe and multimedia globe control system |
| JP4355508B2 (en) * | 2003-04-02 | 2009-11-04 | 株式会社五藤光学研究所 | Video image projector on dome screen |
| CN200976212Y (en) * | 2006-09-06 | 2007-11-14 | 北京天强创业电气技术有限责任公司 | Refraction-type global inner projection device |
| CN101216658A (en) * | 2007-12-27 | 2008-07-09 | 秦皇岛视听机械研究所 | Digital single machine inner projection whole ball curtain projection system |
| CN101546101A (en) * | 2009-05-08 | 2009-09-30 | 科翔电子(深圳)有限公司 | Projection device |
| CN102289284A (en) * | 2011-08-05 | 2011-12-21 | 上海源珅多媒体有限公司 | Spherical interactive induction protection device |
| CN202758505U (en) * | 2012-08-15 | 2013-02-27 | 无锡羿飞科技有限公司 | Dual-purpose multimedia projection demonstration system for spherical screen/dome |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205241A (en) * | 2016-09-29 | 2016-12-07 | 广东广视通科教设备有限公司 | Multi-functional geographical teaching equipment |
| CN109143762A (en) * | 2018-09-18 | 2019-01-04 | 中国特种飞行器研究所 | Spherical projection instrument system |
| RU192582U1 (en) * | 2019-06-11 | 2019-09-23 | Федеральное государственное бюджетное учреждение науки Геофизический центр Российской академии наук (ГЦ РАН) | DIGITAL DEMONSTRATION DEVICE |
| CN110769140A (en) * | 2019-11-20 | 2020-02-07 | 合肥英睿系统技术有限公司 | Electronic imaging device and resolution switching method thereof |
| CN110769140B (en) * | 2019-11-20 | 2021-06-11 | 合肥英睿系统技术有限公司 | Electronic imaging device and resolution switching method thereof |
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