CN202771151U - 3d conversion system - Google Patents
3d conversion system Download PDFInfo
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- CN202771151U CN202771151U CN2012204456429U CN201220445642U CN202771151U CN 202771151 U CN202771151 U CN 202771151U CN 2012204456429 U CN2012204456429 U CN 2012204456429U CN 201220445642 U CN201220445642 U CN 201220445642U CN 202771151 U CN202771151 U CN 202771151U
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Abstract
The utility model relates to the field of optics, and specifically relates to a 3D conversion system. The equipment housing of the 3D conversion system is provided with a 2D projection lens interface. A 3D optical conversion system is arranged behind the 2D projection lens interface. Starting from the 2D projection lens interface side, the 3D optical conversion system is provided with a linear polarizer and a quarter-wave plate mechanism successively along the light path upwards. The quarter-wave plate mechanism comprises at least two quarter-wave plates, the at least two quarter-wave plates which are arranged at different angles form a closed disc-shaped mechanism, the disc-shaped mechanism is referred to as an optical encoding unit, and the optical encoding unit is provided with a spindle. A driving mechanism is further comprised, and the driving mechanism is provided with a driving spindle, wherein the driving spindle is in linkage with the spindle. A projection window for projecting images is further arranged behind the quarter-wave plates, wherein the projection window is located on the equipment housing. Through the 3D conversion system of the utility model, a 2D image projected from a 2D projector can be converted into a 3D image conveniently.
Description
Technical field
The utility model relates to optical field, is specifically related to a kind of 3D converting system.
Background technology
At present, in correlation technique, it is expensive that 3D projector compares common 2D projector, the special shutter glasses of also will arranging in pairs or groups simultaneously, and the glasses internal battery is worn inconvenience, and structure is loaded down with trivial details, compares the polaroid glasses cost higher.
Simultaneously, in correlation technique, two projectors of employing and two polariscopes are arranged, this mode has increased use cost undoubtedly, also need in addition the relative position of two projectors is done accurate adjustment, and complicated operation, consistance is relatively poor, uses inconvenience.
The utility model content
The purpose of this utility model is, a kind of 3D converting system is provided, and solves above technical matters.
The technical matters that the utility model solves can realize by the following technical solutions:
The 3D converting system is characterized in that, comprises an apparatus casing, and described apparatus casing is provided with a 2D projection lens interface, and described 2D projection lens interface rear is provided with a 3D optical transition system;
From 2D projection lens interface one side, move towards the above 3D optical transition system from light path and be provided with successively linear polarizer and a quarter-wave plate mechanism;
Described quarter-wave plate mechanism comprises at least two quarter-wave plates, and at least two different quarter-wave plates of angle surround the disc mechanism of a closure, and described disc mechanism is called the optical encoding unit, and described optical encoding unit is provided with a rotating shaft;
Also comprise a driving mechanism, described driving mechanism is provided with a drive shaft; Described drive shaft and described rotating shaft interlock;
Described quarter-wave plate rear also is provided with the projection window for the projection image, and described projection window is positioned on the described apparatus casing.
In use, the 2D image is produced by 2D projector, enters 3D optical transition system by 2D projection lens interface, becomes linearly polarized light by the light in the 2D image after the linear polarizer, and by behind the quarter-wave plate, light becomes circularly polarized light again.Because the optical encoding unit comprises at least two quarter-wave plates that angle is different, and does spinning movement, therefore the light in the outgoing of projection window is the different circularly polarized light of sense of rotation.Spectators are by wearing secondary two polarising glasses that the eyeglass polarization angle is different, and the picture that two eyes are seen is different.Under the different prerequisite of the picture that two eyes are seen, throw in picture by adjusting 2D projector, and the rotating speed of optical encoding unit, can realize the control to people's left eye and right vision picture, and then by the organic adjustment to equipment, receive image by protecting inclined to one side screen, realize that 3D shows.Protect inclined to one side screen surfaces and contain metal ingredient, can guarantee that the light that reflects still keeps polarization characteristic.
Described quarter-wave plate for having the light transmission piece of quarter-wave plate, can be the quarter-wave plate of routine, also can be for having the phase retardation film of quarter-wave plate optical effect.
Described optical encoding unit comprises two quarter-wave plate groups;
Each quarter-wave plate in one group of quarter-wave plate is in described optical encoding finite element rotation process, and the polarization angle when sheltering from described projection window is consistent;
Each quarter-wave plate in another group quarter-wave plate is in described optical encoding finite element rotation process, and the polarization angle when sheltering from described projection window is consistent;
The polarization angle of each quarter-wave plate when sheltering from described projection window in two groups of quarter-wave plates differs 90 degree.Because differ 90 degree, so left-hand polarization light and right-handed polarized light can appear in the light that projects at the projection window, and then the image of left-hand polarization light characteristic can alternately occur having and have the image of dextropolarization light characteristic at the image that the projection window projects.In the situation that viewers wear two eyeglasses be respectively left-hand polarization light microscopic sheet and right-handed polarized light eyeglass, left eye is different with the picture that right eye is seen, possesses the condition that produces the 3D visual effect.
It is one discoid that each quarter-wave plate in the described optical encoding unit surrounds, and described projection window is positioned at rear, discoid described optical encoding unit.Circularly polarized light can be appeared from the projection window.
Described projection window is blocked by described quarter-wave plate, and the described spot size that is blocked is less than or equal to the size of every quarter-wave plate, to guarantee all have the circularly polarized light characteristic from the light that the projection window penetrates.
Described optical encoding unit comprises two groups of quarter-wave plates, and every group is provided with the adjacent n that an arranges quarter-wave plate, amounts to 2n quarter-wave plate, and 2n quarter-wave plate is fan-shaped, and fan-shaped radian is identical;
The polarization angle of each quarter-wave plate increases the 360/2n degree successively one by one in every group of quarter-wave plate, so that every quarter-wave plate is when rotating to described projection window, polarization angle is identical.In two groups of quarter-wave plates, two adjacent quarter-wave plates successively differ on sense of rotation: 90 degree-360/2n degree.So that when being transformed into another group quarter-wave plate printing opacity from one group of quarter-wave plate, differ 90 degree from a projection mouthful polarization angle, and then make the light that throws away through two groups of quarter-wave plates have respectively left-hand polarization light characteristic and dextropolarization light characteristic.
Preferred 6 of the quantity of every group of quarter-wave plate namely preferably contains 12 quarter-wave plates in an optical encoding unit.Experiment shows that this is more satisfactory state.
Described 2D projection lens interface is provided with the lock sealing device.After the camera lens of 2D projector extend into 2D projection lens interface, by the locking of lock sealing device, and sealing, and then fix the 2D projection lens, and prevent that dust from entering.
Described 3D converting system also comprises a microprocessor system, and described microprocessor system is provided with a frame of video input information interface; Described microprocessor system also connects a motor driving module, and described driving mechanism is provided with a CD-ROM drive motor, and described motor driving module connects the controlled end of a described CD-ROM drive motor.
Described frame of video input information interface can connect 2D projector, obtains frame of video information by 2D projector.
Described frame of video input information interface also can be by connecting optical sensor, the frame of video information of monitoring 2D projector.Optical sensor can be by the saltus step information acquisition frame of video information of monitoring frame of video.
After obtaining frame of video information, the microprocessor system is according to the described CD-ROM drive motor of frame of video information-driven of described acquisition, and then drives described optical encoding unit, realizes the 3D conversion.
The interlock of described optical encoding unit and an optical encoding disk, the signal output part of described optical encoding disk connect the signal input part of described microprocessor system.Be the rotation information of described microprocessor system feedback optical encoding unit by optical encoding disk.With the accuracy that guarantees to drive.
The optical encoding of optical encoding disk 6 is arranged on the periphery of discoid polarized light modulator 2.Thereby optical encoding disk and polarizer group 2 are combined together.
The slewing rate of optical encoding unit should be half of 2D projector video frame rate.Be 144hz such as frame per second, then the rotating speed of optical encoding unit is that per second 72 turns.
By the present invention, the 2D image that 2D projector is projected that can be easy is converted into the 3D image.With respect to traditional 3D projector, require lowlyer for the anaglyph spectacles of wearing, only be common rotatory polarization glasses, cost is lower, and imaging effect is desirable, is fit to many people and watches together.
Description of drawings
Fig. 1 is the utility model one-piece construction schematic diagram;
Fig. 2 is the utility model optical encoding cellular construction schematic diagram.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, the 3D converting system comprises an apparatus casing 1, and apparatus casing 1 is provided with a 2D projection lens interface 11, and 2D projection lens interface 11 rears are provided with a 3D optical transition system.From 2D projection lens interface 11 1 sides, walking upwards from light path, 3D optical transition system is provided with linear polarizer 12 and a quarter-wave plate mechanism 13 successively.
With reference to Fig. 2, quarter-wave plate mechanism 13 comprises at least two quarter-wave plates, and at least two different quarter-wave plates of angle surround the disc mechanism of a closure, and disc mechanism is called optical encoding unit 2, and optical encoding unit 2 is provided with a rotating shaft 21.Also comprise a driving mechanism 14, driving mechanism 14 is provided with a drive shaft, drive shaft and rotating shaft 21 interlocks.The quarter-wave plate rear of quarter-wave plate mechanism 13 also is provided with the projection window 15 for the projection image, and projection window 15 is positioned on the apparatus casing 1.2D projection lens interface 11 is provided with the lock sealing device.After the camera lens of 2D projector 4 extend into 2D projection lens interface 11, by the locking of lock sealing device, and sealing, and then fix the 2D projection lens, and prevent that dust from entering.
In use, the 2D image is produced by 2D projector 4, enters 3D optical transition system by 2D projection lens interface 11, becomes linearly polarized light by the light in the linear polarizer 12 rear 2D images, and by behind the quarter-wave plate, light becomes circularly polarized light again.Because optical encoding unit 2 comprises at least two quarter-wave plates that angle is different, and does spinning movement, therefore the light in 15 outgoing of projection window is the different circularly polarized light of sense of rotation.Spectators are by wearing secondary two polarising glasses that the eyeglass polarization angle is different, and the picture that two eyes are seen is different.Under the different prerequisite of the picture that two eyes are seen, throw in picture by adjusting 2D projector 4, and the rotating speed of optical encoding unit 2, can realize the control to people's left eye and right vision picture, and then by the organic adjustment to equipment, receive image by protecting inclined to one side screen, realize that 3D shows.Protect inclined to one side screen surfaces and contain metal ingredient, can guarantee that the light that reflects still keeps polarization characteristic.Projection window 15 is blocked by quarter-wave plate, and hot spot 16 sizes that are blocked are less than or equal to the size of every quarter-wave plate.Circularly polarized light can be appeared from projection window 15.
With reference to Fig. 2, optical encoding unit 2 comprises two quarter-wave plate groups 22,23.Each quarter-wave plate in one group of quarter-wave plate 22 is in optical encoding unit 2 rotary courses, and the polarization angle when sheltering from projection window 15 is consistent.Each quarter-wave plate in another group quarter-wave plate 23 is in optical encoding unit 2 rotary courses, and the polarization angle when sheltering from projection window 15 is consistent.The polarization angle of each quarter-wave plate when sheltering from projection window 15 in two groups of quarter- wave plates 22,23 differs 90 degree.Because differ 90 degree, so left-hand polarization light and right-handed polarized light can appear in the light that projects at projection window 15, and then the image of left-hand polarization light characteristic can alternately occur having and have the image of dextropolarization light characteristic at the image that projection window 15 projects.In the situation that viewers wear two eyeglasses be respectively left-hand polarization light microscopic sheet and right-handed polarized light eyeglass, left eye is different with the picture that right eye is seen, possesses the condition that produces the 3D visual effect.
Specific embodiment:
It is one discoid that each quarter-wave plate in the optical encoding unit 2 surrounds.Projection window 15 is positioned at 2 rears, discoid optical encoding unit.Circularly polarized light can be appeared from the projection window.Be projected in the hot spot 16 on the optical encoding unit 2, less than or equal to the size of every quarter-wave plate, to guarantee all have the circularly polarized light characteristic from the light that the projection window penetrates.
In two groups of quarter- wave plate groups 22,23, two adjacent quarter-wave plates successively differ on sense of rotation: 90 degree deduct the number of degrees of 360/2n degree.So that when being transformed into another group quarter-wave plate printing opacity from one group of quarter-wave plate, differ 90 degree from a projection mouthful polarization angle, and then make the light that throws away through two groups of quarter-wave plates have respectively left-hand polarization light characteristic and dextropolarization light characteristic.
In the implementation, the quantity of quarter-wave plate is preferred 6 in the quarter- wave plate group 22,23, namely preferably contains 12 quarter-wave plates in an optical encoding unit 2.Experiment shows that this is more satisfactory state.
Wherein, described quarter-wave plate is a kind of phase retardation film, and its optical effect is equal to quarter-wave plate.
Electronic control system for the 3D converting system adopts following design:
The 3D converting system also comprises a microprocessor system 3, and microprocessor system 3 is provided with a frame of video input information interface.Microprocessor system 3 also connects a motor driving module 5, and driving mechanism 14 is provided with a CD-ROM drive motor, and motor driving module 5 connects the controlled end of a CD-ROM drive motor.
Frame of video input information interface can connect 2D projector 4, obtains frame of video information by 2D projector 4.Frame of video input information interface also can be by connecting optical sensor, the frame of video information of monitoring 2D projector 4.After obtaining frame of video information, microprocessor system 3 is according to the frame of video information-driven CD-ROM drive motor that obtains, and then driving optical encoding unit 2, realizes the 3D conversion.
By the present invention, the 2D image that 2D projector 4 is projected that can be easy is converted into the 3D image.With respect to traditional 3D projector, require lowlyer for the anaglyph spectacles of wearing, only be common rotatory polarization glasses, cost is lower, and imaging effect is desirable, is fit to many people and watches together.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1.3D converting system is characterized in that, comprises an apparatus casing, described apparatus casing is provided with a 2D projection lens interface, and described 2D projection lens interface rear is provided with a 3D optical transition system;
From 2D projection lens interface one side, move towards the above 3D optical transition system from light path and be provided with successively linear polarizer and a quarter-wave plate mechanism;
Described quarter-wave plate mechanism comprises at least two quarter-wave plates, and at least two different quarter-wave plates of angle surround the disc mechanism of a closure, and described disc mechanism is called the optical encoding unit, and described optical encoding unit is provided with a rotating shaft;
Also comprise a driving mechanism, described driving mechanism is provided with a drive shaft; Described drive shaft and described rotating shaft interlock;
Described quarter-wave plate rear also is provided with the projection window for the projection image, and described projection window is positioned on the described apparatus casing.
2. 3D converting system according to claim 1, it is characterized in that: described projection window is blocked by described quarter-wave plate;
Described optical encoding unit comprises two quarter-wave plate groups; Each quarter-wave plate in one group of quarter-wave plate is in described optical encoding finite element rotation process, and the polarization angle when sheltering from described projection window is consistent;
Each quarter-wave plate in another group quarter-wave plate is in described optical encoding finite element rotation process, and the polarization angle when sheltering from described projection window is consistent;
The polarization angle of each quarter-wave plate when sheltering from described projection window in two groups of quarter-wave plates differs 90 degree.
3. 3D converting system according to claim 2 is characterized in that: each quarter-wave plate in the described optical encoding unit surrounds one discoid, and described projection window is positioned at rear, discoid described optical encoding unit.
4. 3D converting system according to claim 3, it is characterized in that: described optical encoding unit comprises two groups of quarter-wave plates, and every group is provided with the adjacent n that an arranges quarter-wave plate, amounts to 2n quarter-wave plate, 2n quarter-wave plate is fan-shaped, and fan-shaped radian is identical;
The polarization angle of each quarter-wave plate increases the 360/2n degree successively one by one in every group of quarter-wave plate, so that every quarter-wave plate is when rotating to described projection window, polarization angle is identical.
5. 3D converting system according to claim 4 is characterized in that: in two groups of quarter-wave plates, two adjacent quarter-wave plates successively differ on sense of rotation: 90 degree-360/2n degree.
6. according to claim 2,3,4 or 5 described 3D converting systems, it is characterized in that: preferred 6 of the quantity of every group of quarter-wave plate, namely preferably contain 12 quarter-wave plates in an optical encoding unit.
7. according to claim 2,3,4 or 5 described 3D converting systems, it is characterized in that: described 2D projection lens interface is provided with the lock sealing device.
8. according to claim 2,3,4 or 5 described 3D converting systems, it is characterized in that: described 3D converting system also comprises a microprocessor system, described microprocessor system is provided with a frame of video input information interface; Described microprocessor system also connects a motor driving module, and described driving mechanism is provided with a CD-ROM drive motor, and described motor driving module connects the controlled end of a described CD-ROM drive motor.
9. 3D converting system according to claim 8 is characterized in that: described optical encoding unit and optical encoding disk interlock, the signal output part of described optical encoding disk connect the signal input part of described microprocessor system.
10. 3D converting system according to claim 9, it is characterized in that: the optical encoding of described optical encoding disk is arranged on the periphery of discoid polarized light modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204456429U CN202771151U (en) | 2012-09-03 | 2012-09-03 | 3d conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204456429U CN202771151U (en) | 2012-09-03 | 2012-09-03 | 3d conversion system |
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| CN202771151U true CN202771151U (en) | 2013-03-06 |
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| CN2012204456429U Expired - Fee Related CN202771151U (en) | 2012-09-03 | 2012-09-03 | 3d conversion system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676450A (en) * | 2012-09-03 | 2014-03-26 | 上海蝶维影像科技有限公司 | 3D converting system for 2D projecting system |
| CN103792780A (en) * | 2013-11-21 | 2014-05-14 | 上海蝶维影像科技有限公司 | High-optical efficiency 3D imaging apparatus |
| CN104656365A (en) * | 2013-11-21 | 2015-05-27 | 上海蝶维影像科技有限公司 | 3D imaging equipment with simple structure |
-
2012
- 2012-09-03 CN CN2012204456429U patent/CN202771151U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676450A (en) * | 2012-09-03 | 2014-03-26 | 上海蝶维影像科技有限公司 | 3D converting system for 2D projecting system |
| CN103792780A (en) * | 2013-11-21 | 2014-05-14 | 上海蝶维影像科技有限公司 | High-optical efficiency 3D imaging apparatus |
| CN104656365A (en) * | 2013-11-21 | 2015-05-27 | 上海蝶维影像科技有限公司 | 3D imaging equipment with simple structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylindrical regulator 3D conversion system using side light transmission Effective date of registration: 20141217 Granted publication date: 20130306 Pledgee: Qin Duan Pledgor: SHANGHAI DW-VISON3D TECHNOLOGY CO., LTD. Registration number: 2014310000086 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20190903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |