CN202710917U - Digital film projector polarizing device - Google Patents
Digital film projector polarizing device Download PDFInfo
- Publication number
- CN202710917U CN202710917U CN2012203238889U CN201220323888U CN202710917U CN 202710917 U CN202710917 U CN 202710917U CN 2012203238889 U CN2012203238889 U CN 2012203238889U CN 201220323888 U CN201220323888 U CN 201220323888U CN 202710917 U CN202710917 U CN 202710917U
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- frame
- rubber track
- polarising means
- polaroid
- cinema projectors
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Abstract
The utility model relates to the technical field of a digital film and provides a digital film projector polarizing device. The digital film projector polarizing device comprises a frame assembly, a rubber crawler belt and a stepping motor, wherein the frame assembly comprises a polaroid frame and a base, polarization glass is mounted on the polaroid frame, the polaroid frame is fixed on the rubber crawler belt through the base, and the rubber crawler belt is sleeved on the stepping motor which is used for driving the rubber crawler belt to rotate. The digital film projector polarizing device drives the rubber crawler belt to rotate through the stepping motor so as to drive frame parts to have displacement, so polarized light, complete blocking light and complete leakage light can be realized; noise of the rubber crawler belt is lower; various parts of the whole device are convenient to configure; and cost is relatively reduced compared with an imported automatic polarizing device in the prior art.
Description
Technical field
The utility model relates to the digital movie technical field, especially relates to a kind of d-cinema projectors polarising means.
Background technology
D-cinema projectors Applied Digital micro mirror switching device DMD(Digital Micro mirror Device)-digital optical switch array and Digital Signal Processing, the digital light treatment technology DLP(Digital Light Procession that employing is advanced) digital film projector new model, substituted traditional film projector color film image repetition pattern, realized showing without film.
When adopting the polarization mode to show three-dimensional film in the digital three-dimensional movie theatre, need to place polarising means to form polarized light before the camera lens of two number of units word projectors, spectators wear polarising glass when watching film, utilize vision to produce stereoeffect.This kind polarising means is the indispensable part of d-cinema projectors.
At present the domestic polarising means that generally adopts is divided into fixed and two kinds of self-actions, fixed polarising means uses when directly the polarization frame being fixedly mounted on before the camera lens for film releasing, when wanting to show the plane film, need this polarising means manual displacement, be that existing fixed polarising means can not be accomplished full shading and full light leak robotization, therefore use very inconvenient; The self-action polarising means has the function of automatically regulating when carrying out camera light test and formal projection before showing a film, and can automatically realize polarized light, full shading and full light leak, has become the necessary parts of most import numeral cinematographic equipment.The digital camera equipment of at present import all adopts this kind automatic polarization device.
But this kind automatic polarization device adopts the metal screw mandrel kind of drive, realizes polarized light, full shading, full light leak function, easily produces larger noise during operation.
The utility model content
The utility model proposes a kind of d-cinema projectors polarising means, solved the larger technical matters of polarising means noise of the prior art.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of d-cinema projectors polarising means comprises sheet frame assembly, rubber track and stepper motor; Described frame assembly comprises polaroid frame and base, on the described polaroid frame polarized glass is housed, and described polaroid frame is fixed on the described rubber track by described base; Described rubber track is socketed on the described stepper motor that rotates be used to driving described rubber track.
Wherein, described frame assembly also comprises shading baffle, and described shading baffle and described polaroid frame are arranged side by side.
Wherein, comprise that also be used to the support member that supports described rubber track and described stepper motor, described support member is positioned at the below of described rubber track and described stepper motor.
Wherein, also comprise radiator fan, described radiator fan is fixed on the described support member.
Wherein, comprise that also be used to the contact stop that limits the displacement of described frame assembly, described contact stop is positioned at the side-lower at described rubber track two ends.
Wherein, described shading baffle is integrated with described polaroid frame and is connected.
Wherein, described base is aluminum alloy base.
Wherein, described polaroid frame is the aluminum alloy sheet frame.
As seen, the utility model has following beneficial effect at least:
A kind of d-cinema projectors polarising means of the present utility model utilizes rubber track band moving plate frame assembly to move, and realizes respectively polarized light, full shading and full light leak; Noise when rubber track moves will be lower than the noise that metal screw mandrel of the prior art rotates, thereby this device has reduced noise effectively;
Simultaneously, a kind of d-cinema projectors polarising means of the present utility model is compared existing automatic polarization device, and structure is simpler, and parts are more convenient for configuring, and have effectively reduced production and maintenance cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front view of a kind of digital film projector device of the present utility model;
Fig. 2 is the side view of a kind of digital film projector device of the present utility model;
Fig. 3 is the vertical view of a kind of digital film projector device of the present utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
To shown in Figure 3, the utility model provides a kind of d-cinema projectors polarising means, comprises sheet frame assembly 1, rubber track 2 and stepper motor 3 referring to Fig. 1.
Described frame assembly 1 comprises polaroid frame and base 12, on the described polaroid frame polarized glass 11 is housed, and described polaroid frame is fixed on the described rubber track 2 by described base 12.
Described rubber track 2 is socketed on the described stepper motor 3 that rotates be used to driving described rubber track 2.
Preferably, in the utility model embodiment, described frame assembly 1 also comprises shading baffle 13, and described shading baffle 13 is arranged side by side on described frame assembly 1 with described polarized glass 11.
Preferably, in the utility model embodiment, described shading baffle 13 is integrated with described polarized glass and is connected.
Moving horizontally of described frame assembly 1, meeting is so that before described polarized glass 11 and described shading baffle 13 be positioned at camera lens successively, in the time of before described polarized glass 11 is positioned at camera lens, then produce polarized light, when described shading baffle 13 is positioned at before the described camera lens, then realize full shading, during position beyond before described polarized glass and described shading baffle 13 all move to camera lens, then realize full light leak.
In the utility model embodiment, described d-cinema projectors polarising means comprises that also be used to the support member 5 that supports described rubber track 2 and described stepper motor 3, described support member 5 is positioned at the below of described rubber track 2 and described stepper motor 3.
In the utility model embodiment, described d-cinema projectors polarising means also comprises radiator fan 4, and described radiator fan 4 is fixed on the described support member 5.
Preferably, in the utility model embodiment, comprise that also be used to the contact stop 6 that limits described frame assembly 1 displacement, described contact stop 6 is positioned at the side-lower at described rubber track 2 two ends.Described contact stop 6 is installed on near the position the two ends of described rubber track 2, plays to prevent that the horizontal shift under rubber track 2 drives of sheet frame assembly 1 is excessive, and surpasses the effect at the two ends of described rubber track 2.
Preferably, the all parts of described d-cinema projectors polarising means, principle with light weight, adopt aluminum alloy material, base 12 is aluminum alloy base as described, described shading baffle 13 is aluminium alloy plate, and described frame assembly 1 other parts except described polarized glass also can adopt aluminum alloy material.
D-cinema projectors polarising means among the utility model embodiment, can control the running of software startup stepper motor by touch-screen, thereby drive rubber track 2 horizontal directions and move operation, under the control of relative program, the horizontal cross displacement of control strip frame assembly 1, realization camera lens throw light is invested shading baffle 13, polarized glass 11 successively, realizes respectively projection three-dimensional film when camera light sees through polarized glass; When investing unobstructed position, then shows camera light the plane film; When being blocked by shading baffle, camera light then carries out single machine test.
Preferably, when this polarising means was closed, described frame assembly 1 was in an end original position automatically.
The metal screw mandrel kind of drive of the automatic polarization device that uses at present easily produces larger noise when the polaroid frame moves, the fastest travelling speed is less than 150mm/ second, and the carbon steel material of selecting, weight is heavier, cost of manufacture is higher, and main spare and accessory parts all need import, difficult maintenance after device breaks down, generally be integral replacing, maintenance cost is higher.
The d-cinema projectors polarising means that the utility model embodiment provides, its rubber track kind of drive has reduced projection booth environmental exact details noise when the polaroid frame moves, realize polarized light, full shading, full light leak function, the fastest travelling speed is about second 150mm/ second-200mm/, and select light-dutyer aluminum material, weight is lighter, make simple, easy to maintenance, its cost is lower, main spare and accessory parts are at home configuration all, break down can not control the time in automatic operation, but simplified manual is controlled.Accurately rank is not less than the imported product of screw rod transmission mode, and maintenance cost is low.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a d-cinema projectors polarising means is characterized in that, comprises sheet frame assembly, rubber track and stepper motor;
Described frame assembly comprises polaroid frame and base, on the described polaroid frame polarized glass is housed, and described polaroid frame is fixed on the described rubber track by described base;
Described rubber track is socketed on the described stepper motor that rotates be used to driving described rubber track.
2. d-cinema projectors polarising means according to claim 1 is characterized in that, described frame assembly also comprises shading baffle, and described shading baffle and described polaroid frame are arranged side by side.
3. d-cinema projectors polarising means according to claim 1 is characterized in that, comprises that also be used to the support member that supports described rubber track and described stepper motor, described support member is positioned at the below of described rubber track and described stepper motor.
4. d-cinema projectors polarising means according to claim 3 is characterized in that, also comprises radiator fan, and described radiator fan is fixed on the described support member.
5. d-cinema projectors polarising means according to claim 1 is characterized in that, comprises that also be used to the contact stop that limits the displacement of described frame assembly, described contact stop is positioned at the side-lower at described rubber track two ends.
6. d-cinema projectors polarising means according to claim 2 is characterized in that, described shading baffle is integrated with described polaroid frame and is connected.
7. each described d-cinema projectors polarising means is characterized in that according to claim 1-6, and described base is aluminum alloy base.
8. each described d-cinema projectors polarising means is characterized in that according to claim 1-6, and described polaroid frame is the aluminum alloy sheet frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203238889U CN202710917U (en) | 2012-07-05 | 2012-07-05 | Digital film projector polarizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203238889U CN202710917U (en) | 2012-07-05 | 2012-07-05 | Digital film projector polarizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710917U true CN202710917U (en) | 2013-01-30 |
Family
ID=47591202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203238889U Expired - Lifetime CN202710917U (en) | 2012-07-05 | 2012-07-05 | Digital film projector polarizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166302A (en) * | 2014-07-25 | 2014-11-26 | 西安中科晶像光电科技有限公司 | Polarized lens mobile structure of 3D projection system |
-
2012
- 2012-07-05 CN CN2012203238889U patent/CN202710917U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166302A (en) * | 2014-07-25 | 2014-11-26 | 西安中科晶像光电科技有限公司 | Polarized lens mobile structure of 3D projection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |