CN103365060A - Window for film projector - Google Patents
Window for film projector Download PDFInfo
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- CN103365060A CN103365060A CN2013102990177A CN201310299017A CN103365060A CN 103365060 A CN103365060 A CN 103365060A CN 2013102990177 A CN2013102990177 A CN 2013102990177A CN 201310299017 A CN201310299017 A CN 201310299017A CN 103365060 A CN103365060 A CN 103365060A
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- projection
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- window
- projector
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Abstract
The invention relates to a window for a film projector. The window for the film projector comprises a wall body, a projecting window, a projection auxiliary device connection box and a wind box type telescopic cover, wherein the wind box type telescopic cover is connected to the end face of the projection auxiliary device connection box in a sliding matching mode. Light-transmitting windows are correspondingly arranged in the front end face and the rear end face of the projection auxiliary device connection box. Pulling slide rails are arranged on the upper edge and the lower edge of the light-transmitting window in the front surface of a box body of the projection auxiliary device connection box. The wind box type telescopic cover comprises a telescopic cover body and connection components arranged at the two ends of the telescopic cover body. One end of the telescopic cover body is matched with the light transmitting window in terms of size, and the connection component of the end is respectively connected with the pulling slide rails of the upper edge and the lower edge of the light-transmitting window. The connection component of the other end of the telescopic cover body is connected with a projector lens in a sleeved mode. According to the window for the film projector, light leakage of a projection light beam in the transmitting process can be reduced, and light interference on the projection light beam by working light or natural light in the projecting process in a projection boom can also be avoided; in addition, noise caused by the projector in the projection boom can be effectively insulated so as to not affect the projecting effect in a cinema.
Description
Technical field
The present invention relates to a kind of cinematographic equipment, especially relate to a kind of film projector window.
Background technology
Referring to shown in Figure 1, traditional projection port is widely used in movie theatre, plays the effect of sound insulation, isolation dust and fire prevention isolation; The basic comprising assembly of projection port is: high-quality float glass 1 ' and sealing strip 2 ', float glass 1 ' is embedded between projection booth and the shadow Room in the projection window on the body of wall at a certain angle, will serve as a contrast around the glass and between the body of wall and paste sealing strip 2 ' and acoustic absorbant, thereby the noise that produces when as far as possible reducing the work of projection booth equipment is to the destruction of project effect; Execution glass light transmission is better, can see through projection beam, but the easy foreign matter such as adhesion dust on the float glass can affect the viewing effect.
The tradition projection port also has three large outstanding drawbacks: 1, projection beam light leak in communication process; 2, the work light of projection booth or light interference such as natural light that projection booth penetrates can cause the luminance brightness decay that projector sends; 3, the noise of the cinematographic equipment of projection booth can import the shadow Room into, affects the viewing effect.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of film projector window, and this device makes projection beam reduce light leak in communication process, has also avoided the work light in the projection booth in the projection process or natural light that the light of projection beam is disturbed; Can also effectively isolate noise that the projector in the projection booth sends to the impact of shadow Room project effect, the maintenance of window equipment is convenient and swift simultaneously.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of film projector window, comprise projection utility appliance connecting box and bellows type telescopic cover, this bellows type telescopic cover sliding fit is connected on the projection utility appliance connecting box end face, bellows-type structure can be adjusted telescopic cover at the distance of stretch out and draw back of projector camera lens axis direction according to screen distance (the projector camera lens is to the distance of screen), and when the projector camera lens, connect cover, after projection port on projection utility appliance connecting box and the body of wall interconnects successively, the power supply of opening projector is during to shadow Room projection source, as find that light source position has deviation, because the bellows type telescopic cover in twos connection material between ring skeleton is cloth or papery, still can regulate the horizontal direction of projector or the angle of vertical direction this moment, so that the projection image of projector can correctly be incident upon in the screen in the shadow Room; Described projection utility appliance connecting box front/rear end correspondence offers optical transmission window, appear thus with the projection beam with projector, the optical transmission window of described projection utility appliance connecting box box body front surface is provided with pulling slide rail along coupling up and down, so that the bellows type telescopic cover is slidingly connected by pulling slide rail and projection utility appliance connecting box, the sliding fit of bellows type telescopic cover and projection utility appliance connecting box is convenient to the maintenance of projector camera lens and is convenient to conversion and maintenance to other projection utility appliance in the printing opacity connecting box; Described bellows type telescopic cover comprises flexible cover body and is located at the link at flexible cover body two ends, the size of flexible cover body one end and optical transmission window is complementary, the link of this end is connected with the pulling slide rail on the upper and lower edge of optical transmission window respectively, the link of the flexible cover body other end and the socket of projector camera lens.
The truncated rectangular pyramids structure that described flexible cover body is hollow, the bottom surface of flexible cover body is provided with opening, this opening and optical transmission window size coupling, and opening is provided with link, this link is connected with pulling slide rail, the end face of flexible cover body is provided with link, described link is annular clamp, the diameter of this annular clamp is greater than the diameter of projector camera lens, and be installed with fur on the inner ring of annular clamp, guarantee the good contact of flexible cover body and camera lens, can play stable, buffering with the effect of len, avoid camera lens to run into the cover body inwall that stretches; Dust and the sound that also can prevent projection booth simultaneously enter in the flexible cover body, and then import the viewing Room into, affect the viewing effect; Flexible cover body is connected cooperation with projection utility appliance connecting box, consists of the space of a relative projection booth sealing, is used for avoiding projector light leak leakage sound in the work engineering in isolated projection booth and the shadow Room.
It is described that to be located at the link that flexible cover body one end is connected with pulling slide rail be screw or rivet.
Bellows type telescopic cover and side corresponding to projection utility appliance connecting box are provided with the Fastening fixing device of mutual coupling, to avoid in the process of showing a film, the bellows type telescopic cover is owing to be subjected to gravity or be subjected to other external force to a Slideslip, and then the projects images of blocking projector, affects project effect.
The madial wall of described projection utility appliance connecting box horizontal direction is provided with slide rail, slidely connect the 3D polarizer device on the slide rail, because the film of projection generally is 2D film or 3D film now, if adopt special 3D film projector projection, can greatly increase the equipment investment cost of movie theatre, and when projection 3D film, adopt passive type 3D equipment (installing the 3D polarizer device additional in projector camera lens front), can save the cost of buying the 3D projection equipment.
The madial wall of the 3D polarizer device offside in the described projection utility appliance connecting box is provided with the camera lens projected images calibrating installation that is slidingly connected by slide rail, this camera lens projected images calibrating installation can cooperate with the projector camera lens, clearly with the image projection of camera lens projected images calibrating installation in the screen in the shadow Room, whether the position that makes the projection personnel judge intuitively projected images correctly is incident upon in the screen, so that the projection angle of rapid adjustment projector.
Described image calibration device comprises connecting link and is located at the cross foresight of connecting link end.
Principle of work
1, the debugging of projector camera lens
At first, projection utility appliance connecting box is fixed on the body of wall that projection booth is provided with projection port, the optical transmission window of projection utility appliance connecting box is connected in diapire and inner roof wall place in the projection utility appliance connecting box by slide rail over against projection port respectively with 3D polarizer device and image calibration device; The image calibration device that is slidingly tied in the inner roof wall left side is slided into optical transmission window center, right side, adjust the lens location of projector, make it aim at the optical transmission window center, open the power supply of projector, make the light beam of projector project in the screen in the shadow Room by the projection port on optical transmission window and the body of wall, at this moment, between projector and screen because the image calibration device arranged, can projection publish picture as the shade of calibrating installation in screen, whether the projectionist can manifest according to shade residing position judgment projected images in screen in complete again screen, and the projectionist can be according to the projection angle of this image fine setting projector in the screen; The debugging of projector camera lens is complete, and the image calibration device is slided into projection utility appliance connecting box inner roof wall left side, will show the 3D film such as this, and the 3D polarizer device that then will be slidingly tied in interior diapire left side slides into optical transmission window center, right side.
2, local isolated projector and the shadow Room
With projection utility appliance connecting box front end face up and down one section of the homonymy of corresponding two two sections drawing and pulling type linear slide rails that arrange pull out to the left, again one section of the homonymy of bellows type telescopic cover one end by the link of this end and these two two sections drawing and pulling type linear slide rails is spirally connected, then, bellows type telescopic cover after being connected and fixed is slided to the right, bellows type telescopic cover position and optical transmission window are fitted like a glove; At this moment, the buckling device of being located at bellows type telescopic cover and projection utility appliance connecting box homonymy is fastened, again the bellows type telescopic cover other end is stretched towards the projector direction, make the annular snap sub-set that arranges on the bellows type telescopic cover other end end face be connected to the camera lens outer wall place of projector, at this moment, observe the image in the screen, if there is deviation the complete position of the debugging of the position of image and projector camera lens, because the design feature of bellows type telescopic cover, so that displacement up and down can be realized in the coupling part between these cover body both ends of the surface, position consistency when fine setting projector lens location makes its debugging with the projector camera lens complete, thus a kind of installation of film projector usefulness window finished.
The present invention makes projection beam reduce light leak in communication process, has also avoided the work light in the projection booth in the projection process or natural light that the light of projection beam is disturbed; Can also effectively isolate noise that the projector in the projection booth sends to the impact of shadow Room project effect, the maintenance of window equipment is convenient and swift simultaneously.
Description of drawings
Fig. 1 is that prior art is used the status architecture synoptic diagram;
Fig. 2 is that the present invention uses the status architecture synoptic diagram;
Fig. 3 is that the status architecture synoptic diagram is used in side-looking of the present invention;
Fig. 4 is that the present invention faces the mounting structure synoptic diagram;
Fig. 5 is that the present invention faces use status architecture synoptic diagram.
Embodiment
Referring to Fig. 2～shown in Figure 5, a kind of film projector window comprises projection utility appliance connecting box 1 and bellows type telescopic cover 2, and these bellows type telescopic cover 2 sliding fits are connected on projection utility appliance connecting box 1 end face; Described projection utility appliance connecting box 1 front/rear end correspondence offers optical transmission window 11, and edge, lower edge coupling are provided with pulling slide rail 12 on the optical transmission window of described projection utility appliance connecting box 1 box body front surface; Described bellows type telescopic cover 2 comprises flexible cover body 21 and is located at the link 22 at flexible cover body 21 two ends, the size of flexible cover body 21 1 ends and optical transmission window 11 is complementary, the link 22 of this end is connected along the pulling slide rail 12 on, lower edge respectively with on the optical transmission window 11, and the link 22 of flexible cover body 21 other ends is socketed with the projector camera lens.
The truncated rectangular pyramids structure that described flexible cover body 21 is hollow, the bottom surface of flexible cover body 21 is provided with opening, this opening and optical transmission window 11 size couplings, and opening is provided with link 22, this link 22 is connected with pulling slide rail 12, and the end face of flexible cover body 21 is provided with link 22, and described link 22 is annular clamps 221, the diameter of this annular clamp 221 is greater than the diameter of projector camera lens, and is installed with fur on the inner ring of annular clamp 221.
It is described that to be located at the link 22 that flexible cover body 21 1 ends are connected with pulling slide rail 12 are screws.
The side of bellows type telescopic cover 2 and projection utility appliance connecting box 1 correspondence is provided with the Fastening fixing device 3 of mutual coupling.
The madial wall of described projection utility appliance connecting box 1 horizontal direction is provided with slide rail 13, slidely connects 3D polarizer device 4 on the slide rail.
The madial wall of 3D polarizer device 4 offsides in the described projection utility appliance connecting box 1 is provided with the camera lens projected images calibrating installation 5 that is slidingly connected by slide rail.
Described image calibration device 5 comprises connecting link 51 and is located at the cross foresight 52 of connecting link 51 ends.
The test of tradition projection glass transmittance and transmittance test report of the present invention
Test duration: on May 10th, 2013
Testing location: No. 8 Rooms of Kunshan film city, No. 6 U-shaped windows in the Room of Beijing Ma Jiabao
Testing apparatus: projector and CS-100A chroma-luminance meter are looked by section
Test purpose: the lifting effect of projection brightness behind the removal projection glass
Get nine palace test patterns (nine brightness data rulings of this diagram shape such as following table by projector, do not comprise nine data form outer rim, the respective regions that each data marks off corresponding to ruling), in 2/3 place, the shadow Room, high 1 meter uses CS-100A chroma-luminance meter to carry out brightness measurement.Measuring unit is FL(footlambert)
Below for using nine palace brightness datas of prior art:
Below for using nine palace brightness datas of the present invention:
Below for using the subregion difference of above-mentioned two kinds of nine palace brightness datas of measuring:
| 0.94 | 1.1 | 0.4 |
| 1.6 | 3 | 0.35 |
| 0.39 | 0.72 | 0.53 |
| Maximum lift 3FL | ? | ? |
| Minimum lift 035FL | ? | ? |
| The average lFL that promotes | ? | ? |
By above data, determine to use apparatus of the present invention can effectively increase projection brightness.
Analysis-by-synthesis: for DCI standard (digital movie standard), brightness requirement reached 14FL ± 3FL when 2D play, 3D plays brightness requirement temporarily without clear, but industry generally believes it is should be at 4.5FL ± 0.5FL, for above test, on average having increased by 1 FL has been an important breakthrough.
The word in the description orientation that adopts herein " on ", D score, " left side ", " right side " etc. all be for the convenience that illustrates based on the orientation shown in the drawing in the accompanying drawing, these orientation may be because the disposing way of device and different in actual device.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give all embodiments exhaustive.Everyly belong to the row that apparent variation that technical scheme of the present invention extends out or change still are in protection scope of the present invention.
Claims (7)
1. film projector window; It is characterized in that: comprise projection utility appliance connecting box (1) and bellows type telescopic cover (2), this bellows type telescopic cover (2) sliding fit is connected on projection utility appliance connecting box (1) end face; Described projection utility appliance connecting box (1) front/rear end correspondence offers optical transmission window (11), and edge, lower edge coupling are provided with pulling slide rail (12) on the optical transmission window of described projection utility appliance connecting box (1) box body front surface; Described bellows type telescopic cover (2) comprises flexible cover body (21) and is located at the link (22) at flexible cover body (21) two ends, the size of flexible cover body (21) one ends and optical transmission window (11) is complementary, the link of this end (22) is connected with the pulling slide rail (12) on the upper edge of optical transmission window (11), lower edge respectively, the link (22) of flexible cover body (21) other end and the socket of projector camera lens.
2. a kind of film projector window according to claim 1, it is characterized in that: described flexible cover body (21) is the truncated rectangular pyramids structure of hollow, the bottom surface of flexible cover body (21) is provided with opening, this opening and optical transmission window (11) size coupling, and opening is provided with link (22), this link (22) is connected with pulling slide rail (12), the end face of flexible cover body (21) is provided with link (22), described link (22) is annular clamp, the diameter of this annular clamp is greater than the diameter of projector camera lens, and is installed with fur on the inner ring of annular clamp.
3. a kind of film projector window according to claim 2 is characterized in that: described to be located at the link (22) that flexible cover body (21) one ends are connected with pulling slide rail (12) be screw or rivet.
4. a kind of film projector window according to claim 3 is characterized in that: bellows type telescopic cover (2) and side corresponding to projection utility appliance connecting box (1) are provided with the Fastening fixing device (3) of mutual coupling.
5. a kind of film projector window according to claim 1 and 2, it is characterized in that: the madial wall of described projection utility appliance connecting box (1) horizontal direction is provided with slide rail (13), slidely connects 3D polarizer device (4) on the slide rail.
6. a kind of film projector window according to claim 5 is characterized in that: the madial wall of 3D polarizer device (4) offside in the described projection utility appliance connecting box (1) is provided with the camera lens projected images calibrating installation (5) that is slidingly connected by slide rail.
7. a kind of film projector window according to claim 6, it is characterized in that: described image calibration device (5) comprises connecting link (51) and is located at the cross foresight (52) of connecting link (51) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299017.7A CN103365060B (en) | 2013-07-17 | 2013-07-17 | A kind of window for film projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299017.7A CN103365060B (en) | 2013-07-17 | 2013-07-17 | A kind of window for film projector |
Publications (2)
| Publication Number | Publication Date |
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| CN103365060A true CN103365060A (en) | 2013-10-23 |
| CN103365060B CN103365060B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310299017.7A Active CN103365060B (en) | 2013-07-17 | 2013-07-17 | A kind of window for film projector |
Country Status (1)
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| CN (1) | CN103365060B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644316A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Foldable window facilitating clear shooting and automobile comprising same |
| CN105644313A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Window facilitating clear outdoor scene shooting and automobile comprising same |
| CN105644305A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Good-safety window for shooting outdoor scene and automobile comprising same |
| CN105644312A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Window with lens convenient to adjust and resistant to impact and automobile comprising window |
| CN105774482A (en) * | 2014-08-10 | 2016-07-20 | 车莉 | Shooting window with lens convenient to adjust and automobile comprising window |
| CN105774483A (en) * | 2014-08-10 | 2016-07-20 | 车莉 | Shooting window convenient to fold and automobile comprising window |
| CN105818648A (en) * | 2014-08-10 | 2016-08-03 | 车莉 | Impact-resistant injury-prevention window and automobile comprising window |
| CN105818649A (en) * | 2014-08-10 | 2016-08-03 | 车莉 | Window for outdoor photographing and automobile comprising window |
| CN105857030A (en) * | 2014-08-10 | 2016-08-17 | 车莉 | Foldable window used for photography and automobile comprising window |
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| JPH052214A (en) * | 1991-06-21 | 1993-01-08 | Fuji Photo Film Co Ltd | Slide and slide projector |
| CN1088314A (en) * | 1992-12-09 | 1994-06-22 | 丁定藩 | Domestic combined multi-functional optical system and modular construction thereof |
| EP0605232A1 (en) * | 1992-12-28 | 1994-07-06 | Sony Corporation | Image projecting apparatus |
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| CN202033576U (en) * | 2011-04-11 | 2011-11-09 | 广东威创视讯科技股份有限公司 | Switching mechanism and projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play |
| CN103075091A (en) * | 2013-02-04 | 2013-05-01 | 保利影业投资有限公司 | Projection window structure for movie theatre |
| CN203350605U (en) * | 2013-07-17 | 2013-12-18 | 保利影业投资有限公司 | Movie projector window |
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2013
- 2013-07-17 CN CN201310299017.7A patent/CN103365060B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH052214A (en) * | 1991-06-21 | 1993-01-08 | Fuji Photo Film Co Ltd | Slide and slide projector |
| CN1088314A (en) * | 1992-12-09 | 1994-06-22 | 丁定藩 | Domestic combined multi-functional optical system and modular construction thereof |
| EP0605232A1 (en) * | 1992-12-28 | 1994-07-06 | Sony Corporation | Image projecting apparatus |
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| CN203350605U (en) * | 2013-07-17 | 2013-12-18 | 保利影业投资有限公司 | Movie projector window |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644316A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Foldable window facilitating clear shooting and automobile comprising same |
| CN105644313A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Window facilitating clear outdoor scene shooting and automobile comprising same |
| CN105644305A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Good-safety window for shooting outdoor scene and automobile comprising same |
| CN105644312A (en) * | 2014-08-10 | 2016-06-08 | 车莉 | Window with lens convenient to adjust and resistant to impact and automobile comprising window |
| CN105774482A (en) * | 2014-08-10 | 2016-07-20 | 车莉 | Shooting window with lens convenient to adjust and automobile comprising window |
| CN105774483A (en) * | 2014-08-10 | 2016-07-20 | 车莉 | Shooting window convenient to fold and automobile comprising window |
| CN105818648A (en) * | 2014-08-10 | 2016-08-03 | 车莉 | Impact-resistant injury-prevention window and automobile comprising window |
| CN105818649A (en) * | 2014-08-10 | 2016-08-03 | 车莉 | Window for outdoor photographing and automobile comprising window |
| CN105857030A (en) * | 2014-08-10 | 2016-08-17 | 车莉 | Foldable window used for photography and automobile comprising window |
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| Publication number | Publication date |
|---|---|
| CN103365060B (en) | 2015-11-18 |
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