CN203259725U - Cylindrical 3D conversion modulator adopting circular polaroid structure - Google Patents
Cylindrical 3D conversion modulator adopting circular polaroid structure Download PDFInfo
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- CN203259725U CN203259725U CN2013202216251U CN201320221625U CN203259725U CN 203259725 U CN203259725 U CN 203259725U CN 2013202216251 U CN2013202216251 U CN 2013202216251U CN 201320221625 U CN201320221625 U CN 201320221625U CN 203259725 U CN203259725 U CN 203259725U
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Abstract
The utility model discloses a cylindrical 3D conversion modulator adopting a circular polaroid structure belonging to the optical field, to be specific, relates to a 3D conversion system. The modulator comprises a device housing, which is provided with 2D projection lens interface, and a rear part of the 2D projection lens interface is provided with a 3D optical conversion system. A rear part of the 3D optical conversion system is provided with a projection window used for projecting the images. A polarized light modulator comprises a polaroid switching mechanism and a polaroid group, which is provided with at least a levogyration circular polarization and a dextrorotation circular polaroid. The polaroid group comprises at least two circular polaroids to form a closed cylinder. One circular polaroid of the polaroid group can be disposed between the 2D projection lens interface and the projection window in a shielded manner. The polaroid switching mechanism comprises a motion part and a driving mechanism. The driving mechanism is connected with the motion part, which is connected with the polaroid group, and can be used to drive the polaroid group. By adopting the cylindrical 3D conversion modulator, the 2D images projected by the 2D projector can be converted into 3D images.
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, and it is higher to compare the polaroid glasses cost.
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 cartridge type 3D conversion modulator that adopts the circular polarizing disk structure is provided, and solves above technical matters.
The technical matters that the utility model solves can realize by the following technical solutions:
Adopt the cartridge type 3D conversion modulator of circular polarizing disk structure, it is characterized in that comprise an apparatus casing, described apparatus casing is provided with a 2D projection lens interface, described 2D projection lens interface rear is provided with a 3D optical transition system; 3D optical transition system rear also is provided with the projection window for the projection image, and described projection window is positioned on the described apparatus casing;
Described 3D optical transition system, be provided with a polarized light adjuster, described polarized light adjuster comprises a polaroid switching mechanism, a polarizer group, and described polarizer group is provided with at least two circular polarizing disks, and is at least a slice Left-hand circular polarization sheet and a slice right-hand circular polarization sheet;
At least two described circular polarizing disks of described polarizer group surround the polarizer group of the circular mechanism of a closure, present cylindric;
A slice circular polarizing disk in the described polarizer group blocks between described 2D projection lens interface and described projection window;
Described polaroid switching mechanism comprises an action component, a driving mechanism, and described driving mechanism connects described action component, and described action component connection also drives described polarizer group.Driving circular polarizing disk switches; Described polaroid switching mechanism is used for switching the circular polarizing disk that blocks between described 2D projection lens interface and described projection window.
In use, the 2D image is produced by 2D projector, enters 3D optical transition system by 2D projection lens interface, becomes circularly polarized light by the light in the 2D image behind the circular polarizing disk.Because the polarized light adjuster comprises at least a slice Left-hand circular polarization sheet and a slice right-hand circular polarization sheet, 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 switch speed of polarized light adjuster, 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 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 projection window open area and width are all less than or equal to the described circular polarizing disk in the described polarizer group, and described projection window is blocked by described circular polarizing disk;
Described polarizer group comprises at least two described Left-hand circular polarization sheets, and at least two described Left-hand circular polarization sheets are arranged and consisted of a Left-hand circular polarization group; Also comprise at least two described right-hand circular polarization sheets, at least two described right-hand circular polarization sheets are arranged and are consisted of a right-hand circular polarization group.
The described Left-hand circular polarization sheet of in the described Left-hand circular polarization group each is linked in sequence successively, and the polarization angle of each described Left-hand circular polarization sheet is identical when sheltering from described projection window.
The described right-hand circular polarization sheet of in the described right-hand circular polarization group each is linked in sequence successively, and the polarization angle of each described right-hand circular polarization sheet is identical when sheltering from described projection window.
When right-hand circular polarization group and Left-hand circular polarization group are switched, relativity strong left-hand polarization light and right-handed polarized light can appear in the light that projects at the projection window, and then the strong image with left-hand polarization light characteristic of relativity and the image with dextropolarization light characteristic can alternately occur at the image that the projection window projects.In viewers wear two eyeglasses be respectively in the situation of 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.
The cartridge type 3D conversion modulator of described employing circular polarizing disk structure also comprises a microprocessor system, and described microprocessor system is provided with a frame of video input information interface; The driving mechanism of described polaroid switching mechanism adopts a CD-ROM drive motor; Described microprocessor system also connects a motor driving module, 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 polarizer group, realizes the 3D conversion.
The interlock of described polarizer group 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 polarizer group by optical encoding disk.With the accuracy that guarantees to drive.
The slewing rate of described polarizer group should be half of 2D projector frame of video frequency.The slewing rate of polarizer group 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.
Implementation:
It is one cylindric that each circular polarizing disk in the described polarizer group surrounds, and consists of a polarizer group cylindraceous.Described projection window is positioned at described polarizer group cylindraceous rear.To guarantee having the circularly polarized light characteristic from the light that the projection window penetrates.The polaroid switching mechanism is a rotating mechanism, and action component drives polarizer group cylindraceous and rotates.
Described 2D projection lens interface is positioned at an end of described polarizer group cylindraceous;
The inboard of described polarizer group cylindraceous is provided with a reflective mirror, the light of described 2D projection lens interface shines described reflective mirror, the reflection direction of described reflective mirror is towards described projection window, described reflective mirror with light reflection on described polarizer group, and then shine by described projection window on the screen in the external world, present the 3D image.
Described polarizer group comprises a Left-hand circular polarization group, a right-hand circular polarization group, and the circular polarizing disk in Left-hand circular polarization group, the right-hand circular polarization group is strip, and it is one cylindric that the circular polarizing disk of many strips surrounds.
Each Left-hand circular polarization sheet polarization angle in the Left-hand circular polarization group is identical; Each right-hand circular polarization sheet polarization angle in the right-hand circular polarization group is identical.And then make the light that throws away through Left-hand circular polarization group, right-hand circular polarization group have respectively contrast property stronger left-hand polarization light characteristic and dextropolarization light characteristic.
By the utility model, the 2D image that 2D projector is projected that can be easy is converted into the 3D image.With respect to the 3D projector of DLP technology, have the advantages such as equipment cost is low, Glasses structure is simple.With respect to other traditional 3D imaging devices, have simple in structure, volume is little, easy to use, the advantage such as imaging effect is desirable.
Description of drawings
Fig. 1 is the utility model one-piece construction synoptic diagram;
Fig. 2 is the utility model polarizer group sectional structure cylindraceous synoptic 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, Fig. 2, adopt the cartridge type 3D conversion modulator of circular polarizing disk structure, comprise an apparatus casing 1, 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.3D optical transition system rear also is provided with the projection window 15 for the projection image, and projection window 15 is positioned on the apparatus casing 1.
3D optical transition system is provided with a polarized light adjuster 13, and polarized light adjuster 13 comprises a polaroid switching mechanism 14, a polarizer group 2.Polarizer group 2 is provided with at least two circular polarizing disks, and is at least a slice Left-hand circular polarization sheet and a slice right-hand circular polarization sheet.A slice circular polarizing disk in the polarizer group 2 blocks between 2D projection lens interface 11 and projection window 15.Polaroid switching mechanism 14 is used for switching the circular polarizing disk that blocks between 2D projection lens interface 11 and projection window 15.Polaroid switching mechanism 14 comprises an action component, a driving mechanism, and driving mechanism connecting moves parts, action component connect and drive polarizer group 2, drive circular polarizing disk and switch.At least two circular polarizing disks of polarizer group 2 surround the polarizer group 2 of the cylindric mechanism of a closure.
In use, the 2D image is produced by 2D projector 4, enters 3D optical transition system by 2D projection lens interface 11, becomes circularly polarized light by the light in the 2D image behind the circular polarizing disk.Because polarized light adjuster 13 comprises at least a slice Left-hand circular polarization sheet and a slice right-hand circular polarization sheet, 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 switch speed of polarized light adjuster 13, 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.
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.
Each Left-hand circular polarization sheet in the Left-hand circular polarization group 22 is linked in sequence successively, and the polarization angle of each Left-hand circular polarization sheet is identical when sheltering from projection window 15.Each right-hand circular polarization sheet in the right-hand circular polarization group 23 is linked in sequence successively, the polarization angle of each right-hand circular polarization sheet is identical when sheltering from projection window 15, so relativity strong left-hand polarization light and right-handed polarized light can appear in the light that projects at projection window 15, and then the strong image with left-hand polarization light characteristic of relativity can alternately occur and have the image of dextropolarization light characteristic at the image that projection window 15 projects.In viewers wear two eyeglasses be respectively in the situation of 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.
Adopt the cartridge type 3D conversion modulator of circular polarizing disk structure also to comprise a microprocessor system 3, microprocessor system 3 is provided with a frame of video input information interface; The driving mechanism of polaroid switching mechanism 14 adopts a CD-ROM drive motor; Microprocessor system 3 also connects a motor driving module 5, 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.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, microprocessor system 3 is according to the frame of video information-driven CD-ROM drive motor that obtains, and then driving polarizer group 2, realizes the 3D conversion.Polarizer group 2 and an optical encoding disk 6 interlocks, the signal output part of optical encoding disk 6 connects the signal input part of microprocessor system 3.Be the rotation information of microprocessor system 3 feedback polarizer group 2 by optical encoding disk 6.With the accuracy that guarantees to drive.
The slewing rate of polarizer group 2 should be half of 2D projector 4 frame of video frequencies.The slewing rate of polarizer group 2 should be half of 2D projector 4 video frame rates.Be 144hz such as frame per second, then the rotating speed of optical encoding unit is that per second 72 turns.
With reference to Fig. 2, it is one cylindric that each circular polarizing disk in the polarizer group 2 surrounds, and consists of a polarizer group 2 cylindraceous.Projection window 15 is positioned at polarizer group cylindraceous 2 rears.To guarantee having the circularly polarized light characteristic from the light that projection window 15 penetrates.
The light of 2D projection lens interface 11 enters from an end-fire of polarizer group 2 cylindraceous.The inboard of polarizer group 2 cylindraceous is provided with a reflective mirror 7, the light irradiation reflective mirror 7 of 2D projection lens interface 11, the reflection direction of reflective mirror 7 is towards projection window 15, reflective mirror 7 with light reflection on polarizer group 2, and then shine by projection window 15 on the screen in the external world, present the 3D image.
By the utility model, the 2D image that 2D projector 4 is projected that can be easy is converted into the 3D image.With respect to the 3D projector of DLP technology, have the advantages such as equipment cost is low, Glasses structure is simple.With respect to other traditional 3D imaging devices, have simple in structure, volume is little, easy to use, the advantage such as imaging effect is desirable.
More than show 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 (8)
1. adopt the cartridge type 3D conversion modulator of circular polarizing disk structure, it is characterized in that comprise an apparatus casing, described apparatus casing is provided with a 2D projection lens interface, described 2D projection lens interface rear is provided with a 3D optical transition system; 3D optical transition system rear also is provided with the projection window for the projection image, and described projection window is positioned on the described apparatus casing;
Described 3D optical transition system, be provided with a polarized light adjuster, described polarized light adjuster comprises a polaroid switching mechanism, a polarizer group, and described polarizer group is provided with at least two circular polarizing disks, and is at least a slice Left-hand circular polarization sheet and a slice right-hand circular polarization sheet;
At least two described circular polarizing disks of described polarizer group surround the polarizer group of the circular mechanism of a closure, present cylindric;
A slice circular polarizing disk in the described polarizer group blocks between described 2D projection lens interface and described projection window;
Described polaroid switching mechanism comprises an action component, a driving mechanism, and described driving mechanism connects described action component, and described action component connection also drives described polarizer group.
2. the cartridge type 3D conversion modulator of employing circular polarizing disk structure according to claim 1, it is characterized in that: described projection window open area and width are all less than or equal to the described circular polarizing disk in the described polarizer group, and described projection window is blocked by described circular polarizing disk;
Described polarizer group comprises at least two described Left-hand circular polarization sheets, and at least two described Left-hand circular polarization sheets are arranged and consisted of a Left-hand circular polarization group; Also comprise at least two described right-hand circular polarization sheets, at least two described right-hand circular polarization sheets are arranged and are consisted of a right-hand circular polarization group.
3. the cartridge type 3D conversion modulator of employing circular polarizing disk structure according to claim 2, it is characterized in that: described 2D projection lens interface is positioned at an end of described polarizer group cylindraceous;
The inboard of described polarizer group cylindraceous is provided with a reflective mirror, the light of described 2D projection lens interface shines described reflective mirror, the reflection direction of described reflective mirror is towards described projection window, described reflective mirror with light reflection on described polarizer group, and then shine by described projection window on the screen in the external world, present the 3D image.
4. the cartridge type 3D conversion modulator of employing circular polarizing disk structure according to claim 3, it is characterized in that: described polarizer group comprises a Left-hand circular polarization group, a right-hand circular polarization group, circular polarizing disk in Left-hand circular polarization group, the right-hand circular polarization group is strip, and it is one cylindric that the circular polarizing disk of many strips surrounds.
5. the cartridge type 3D conversion modulator of employing circular polarizing disk structure according to claim 4, it is characterized in that: each Left-hand circular polarization sheet polarization angle in the Left-hand circular polarization group is identical; Each right-hand circular polarization sheet polarization angle in the right-hand circular polarization group is identical.
6. according to claim 1, the cartridge type 3D conversion modulator of 2,3,4 or 5 described employing circular polarizing disk structures, it is characterized in that: also comprise a microprocessor system, described microprocessor system is provided with a frame of video input information interface; The driving mechanism of described polaroid switching mechanism adopts a CD-ROM drive motor; Described microprocessor system also connects a motor driving module, and described motor driving module connects the controlled end of a described CD-ROM drive motor;
Described frame of video input information interface connects 2D projector.
7. the cartridge type 3D conversion modulator of employing circular polarizing disk structure according to claim 6, it is characterized in that: the interlock of described polarizer group and an optical encoding disk, the signal output part of described optical encoding disk connect the signal input part of described microprocessor system; The optical encoding of optical encoding disk is arranged on the periphery of polarizer group cylindraceous.
8. the cartridge type 3D conversion modulator of employing circular polarizing disk structure according to claim 7, it is characterized in that: the polaroid switching mechanism is a rotating mechanism, action component drives polarizer group cylindraceous and rotates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202216251U CN203259725U (en) | 2013-01-08 | 2013-04-26 | Cylindrical 3D conversion modulator adopting circular polaroid structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320009880.X | 2013-01-08 | ||
| CN201320009880 | 2013-01-08 | ||
| CN2013202216251U CN203259725U (en) | 2013-01-08 | 2013-04-26 | Cylindrical 3D conversion modulator adopting circular polaroid structure |
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| CN2013202216251U Expired - Fee Related CN203259725U (en) | 2013-01-08 | 2013-04-26 | Cylindrical 3D conversion modulator adopting circular polaroid structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 3D conversion modulator adopting circular polaroid structure Effective date of registration: 20141217 Granted publication date: 20131030 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: 20131030 Termination date: 20160426 |