CN202033576U - Switching mechanism and projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play - Google Patents
Switching mechanism and projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play Download PDFInfo
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- CN202033576U CN202033576U CN2011201035442U CN201120103544U CN202033576U CN 202033576 U CN202033576 U CN 202033576U CN 2011201035442 U CN2011201035442 U CN 2011201035442U CN 201120103544 U CN201120103544 U CN 201120103544U CN 202033576 U CN202033576 U CN 202033576U
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Abstract
The utility model relates to a switching mechanism and a projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play with the switching mechanism. The switching mechanism comprises a fixed member and a rotary driving mechanism, wherein the fixed member is provided with a polarizer; and the rotary driving mechanism is used for driving the fixed member to rotate to get the polarizer in a projection light path of a projector and get the polarizer away from the projection light path of the projector. The projection system comprises the projector and the switching mechanism in the first technical scheme or the improved scheme; the switching mechanism is arranged in front of a camera lens of the projector; and the motion trail of the polarizer passes through the projection light path of the projector. Therefore, the projection system has a simple structure and can be conveniently switched between a 2D play mode and a 3D play mode.
Description
Technical field
The utility model relates to a kind of switching mechanism and has the optical projection system of the compatible 2D of this switching mechanism, 3D rendering broadcast.
Background technology
Present optical projection system also in order to improve the stability of optical projection system, can adopt two projectors to work simultaneously in order to improve brightness usually, and projection goes out consistent and overlapping picture.This moment, two projectors vertically placed up and down, also can be that left and right horizontal is placed.Although the mode difference staggered relatively of two projectors, by the processing mode of optics, electronics, the picture unanimity that makes two projector's projections, and two width of cloth pictures are overlapping fully, therefore can obtain higher projection brightness on screen.
Along with the rapid rise of 3D display mode, adopt the display device of 3D technology to continue to bring out, for example projector equipment adopts polarization type 3D to show usually, utilizes the polarization theory of light to realize.As shown in Figure 1, before two projectors 10, place the different polaroid in polarization direction (figure does not show) respectively, then two projectors 10 project two different width of cloth pictures of polarization direction to screen 20, the beholder is by wearing corresponding polarization type 3D glasses, its right and left eyes just can receive two group of pictures, through brain compound stereoscopic image, form 3D effect.
Develop rapidly though 3D shows, the vast market space is arranged, because the 3D film source is quite deficient at present, common film source is still the 2D form.In this case, the user can wish that optical projection system can freely select and switch between 2D pattern and 3D pattern.Therefore the optical projection system of compatible 2D, 3D rendering broadcast is provided and realizes that the switching mechanism of this function is technical issues that need to address.
Summary of the invention
The technical matters that the utility model solves provides the optical projection system that a kind of switching mechanism and compatible 2D, 3D rendering are play, and makes this optical projection system freely to switch between 2D play mode and 3D play mode.
For solving the problems of the technologies described above, first technical scheme that the utility model adopts is: a kind of switching mechanism, before this switching mechanism is used to be arranged on projector lens, wherein, this switching mechanism comprises the fixture which is provided with polaroid and is used to drive this fixture rotation so that this polaroid enters and leave the driving mechanism of the projecting light path of described projector.
One of improve: described driving mechanism is a rotary drive mechanism, this rotary drive mechanism comprises power output shaft, and described fixture comprises mount body of fixedlying connected with this power output shaft and the installation folder that removably connects with this mount body, and described polaroid is arranged in this installation folder.
Two of improvement: described rotary drive mechanism comprises motor, and described power output shaft is the output shaft of this motor or the rotating shaft that is connected with this motor power.
Second technical scheme that the utility model adopts is: the optical projection system that a kind of compatible 2D, 3D rendering are play, comprise the projector and first technical scheme or the described switching mechanism of its improvement project, before described switching mechanism is arranged on described projector lens, and the movement locus of described polaroid is by the projecting light path of described projector.
One of improve: described power output shaft is parallel to the axis direction of described projector lens.
Two of improvement: described fixture is perpendicular to the power output shaft of described rotary drive mechanism.
Three of improvement: the distance between the distance between described power output shaft and the described polaroid axis and the projection optical axis direction of described power output shaft and described projector about equally.
Compared with prior art, beneficial effect is: when needs were play the 3D picture, switching mechanism can rotate to the fixture which is provided with polaroid the projector lens front, and is corresponding, can realize playing the 2D picture as long as fixture removed.Therefore the utility model is simple in structure, can realize easily that optical projection system switches between 2D play mode and 3D play mode.
Description of drawings
Fig. 1 is the structural representation of 3D optical projection system;
Fig. 2 is the structural representation of the switching mechanism of present embodiment.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 2, the switching mechanism 30 of present embodiment comprises the fixture 32 which is provided with polaroid 33 and is used to drive these fixture 32 rotations so that this polaroid 33 enters and leave the driving mechanism of the projecting light path of projector.This driving mechanism can adopt the driving mechanism of parallel-moving type, also can adopt rotary drive mechanism 31 as shown in the figure.Wherein this rotary drive mechanism 31 comprises power output shaft 311, this fixture 32 comprises mount body 321 of fixedlying connected with this power output shaft 311 and the installation folder 322 that removably connects with this mount body 321, and this polaroid 33 is arranged in this installation folder 322.In addition, this rotary drive mechanism 31 comprises motor, and this power output shaft 311 is the output shaft of this motor or the rotating shaft that is connected with this motor power.
As shown in Figure 2, the optical projection system that the compatible 2D of present embodiment, 3D rendering are play comprises projector and above-mentioned switching mechanism 30.In the present embodiment, this optical projection system can adopt the folded system of beating of two-shipper.Before this switching mechanism 30 can be set directly at projector lens 40, also can be arranged on this projector lens 40 by fixed mount (figure do not show) before, and the movement locus of polaroid 33 is by the projecting light path of projector.
In addition, for the fixture 32 that makes switching mechanism 30 when rotating, polaroid 33 on it can be aimed at projector lens preferably, the power output shaft 311 of switching mechanism 30 is arranged to be parallel to the axis direction of projector lens 40, and fixture 32 is arranged perpendicular to the power output shaft 311 of rotary drive mechanism 31.In addition, the distance between the projection optical axis direction of the distance between power output shaft 311 and polaroid 33 axis and power output shaft 311 and projector about equally.Under the situation of polaroid 33 and camera lens rough alignment, most of light that projector projects can pass through polaroid 33, thereby realizes the polarization effect of projection picture.Therefore " about equally " here is clear and attainable to those skilled in the art.
The principle of work of present embodiment is: fixture 32 can rotate to and leave projecting light path's (shown in Fig. 2 dotted line) fully by on the projector lens front end light path under the drive of motor.When polaroid 33 rotated to projector lens 40 front end light paths along with fixture 32, the light that projector cast out can obtain the polarized light consistent with the polarization direction of polaroid 33 through after the conversion of polaroid 33.When polaroid 33 left projector lens 40 front end light paths along with fixture 32 rotations, then projection light was directly incident on the screen.
When projector plays the 3D picture, before polaroid 33 on the switching mechanism 30 of two projectors rotated to projector lens 40, and make that wherein the polarization direction of the polaroid 33 that direction and another projector of the polaroid 33 that projector is preposition is preposition is vertical, then the polarization direction of two pictures that projector projects is mutually perpendicular.The beholder can obtain good 3D viewing effect by wearing corresponding polarization type 3D glasses.What this system adopted is polarization type 3D display mode, and the color loss is less, shows that accurately 3D effect is also more outstanding, and stereo perception is true, and viewing angle is bigger, and the glasses cost is low, radiationless, is fit to extensive the use.
When projector plays the 2D picture, projector lens 40 is left in 33 rotations of polaroid on the switching mechanism 30 of two projectors, then the picture that projector projected is directly incident on the screen, the complete overlapping unanimity of two width of cloth pictures, and the beholder can watch the 2D image of complete high brightness.And this optical projection system is that two projectors throw simultaneously, then has stability preferably, if certain projector breaks down, then another projector still can work normally, shows complete image.
In sum, by switching mechanism 30 optical projection system is freely switched between 2D play mode and 3D play mode, and be had splendid stability.
Claims (7)
1. switching mechanism, this switching mechanism is characterized in that before being used to be arranged on projector lens: this switching mechanism comprises the fixture which is provided with polaroid and is used to drive this fixture rotation so that this polaroid enters and leave the driving mechanism of the projecting light path of described projector.
2. switching mechanism according to claim 1, it is characterized in that: this driving mechanism is a rotary drive mechanism, this rotary drive mechanism comprises power output shaft, described fixture comprises mount body of fixedlying connected with this power output shaft and the installation folder that removably connects with this mount body, and described polaroid is arranged in this installation folder.
3. switching mechanism according to claim 1 and 2 is characterized in that: described rotary drive mechanism comprises motor, and described power output shaft is the output shaft of this motor or the rotating shaft that is connected with this motor power.
4. the optical projection system play of a compatible 2D, 3D rendering, comprise projector, it is characterized in that this device also comprises as the arbitrary described switching mechanism of claim 1 to 3, before described switching mechanism is arranged on described projector lens, and the movement locus of described polaroid is by the projecting light path of described projector.
5. the optical projection system that compatible 2D according to claim 4,3D rendering are play, it is characterized in that: described power output shaft is parallel to the axis direction of described projector lens.
6. the optical projection system that compatible 2D according to claim 5,3D rendering are play, it is characterized in that: described fixture is perpendicular to the power output shaft of described rotary drive mechanism.
7. according to the optical projection system of the arbitrary described compatible 2D of claim 4 to 6,3D rendering broadcast, it is characterized in that: the distance between the distance between described power output shaft and the described polaroid axis and the projection optical axis direction of described power output shaft and described projector about equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201035442U CN202033576U (en) | 2011-04-11 | 2011-04-11 | Switching mechanism and projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201035442U CN202033576U (en) | 2011-04-11 | 2011-04-11 | Switching mechanism and projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play |
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| CN202033576U true CN202033576U (en) | 2011-11-09 |
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| CN2011201035442U Expired - Fee Related CN202033576U (en) | 2011-04-11 | 2011-04-11 | Switching mechanism and projection system compatible with 2D (Two-Dimensional) and 3D (Three-Dimensional) image play |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365060A (en) * | 2013-07-17 | 2013-10-23 | 保利影业投资有限公司 | Window for film projector |
| CN103376491A (en) * | 2012-04-27 | 2013-10-30 | 台达电子工业股份有限公司 | Filtering structure and optical-mechanical system |
| CN103728826A (en) * | 2013-12-16 | 2014-04-16 | 山东鲁信睿浩视觉技术有限公司 | Control method and system for fully automatically switching 3D/2D showing modes of projection stereo imager |
| CN108377382A (en) * | 2016-10-21 | 2018-08-07 | 梯西爱尔爱麦克斯（上海）数字技术有限公司 | Projector, controller, optical projection system and passive type 3D display method |
| CN109660787A (en) * | 2019-02-19 | 2019-04-19 | 深圳荧火智能科技有限公司 | A kind of double ray machine optical projection systems of the passive not flash compatible 2D of 3D of intelligence |
-
2011
- 2011-04-11 CN CN2011201035442U patent/CN202033576U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376491A (en) * | 2012-04-27 | 2013-10-30 | 台达电子工业股份有限公司 | Filtering structure and optical-mechanical system |
| CN103376491B (en) * | 2012-04-27 | 2015-10-07 | 台达电子工业股份有限公司 | Filtering structure and optical-mechanical system |
| CN103365060A (en) * | 2013-07-17 | 2013-10-23 | 保利影业投资有限公司 | Window for film projector |
| CN103365060B (en) * | 2013-07-17 | 2015-11-18 | 保利影业投资有限公司 | A kind of window for film projector |
| CN103728826A (en) * | 2013-12-16 | 2014-04-16 | 山东鲁信睿浩视觉技术有限公司 | Control method and system for fully automatically switching 3D/2D showing modes of projection stereo imager |
| CN103728826B (en) * | 2013-12-16 | 2017-04-12 | 山东鲁信睿浩视觉技术有限公司 | Control system for fully automatically switching 3D/2D showing modes of projection stereo imager |
| CN108377382A (en) * | 2016-10-21 | 2018-08-07 | 梯西爱尔爱麦克斯（上海）数字技术有限公司 | Projector, controller, optical projection system and passive type 3D display method |
| CN109660787A (en) * | 2019-02-19 | 2019-04-19 | 深圳荧火智能科技有限公司 | A kind of double ray machine optical projection systems of the passive not flash compatible 2D of 3D of intelligence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20180411 |