CN104717486A - DLP Link 3D projector based on DMD chip - Google Patents
DLP Link 3D projector based on DMD chip Download PDFInfo
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- CN104717486A CN104717486A CN201510138080.1A CN201510138080A CN104717486A CN 104717486 A CN104717486 A CN 104717486A CN 201510138080 A CN201510138080 A CN 201510138080A CN 104717486 A CN104717486 A CN 104717486A
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Abstract
The invention discloses a DLP Link 3D projector based on a DMD chip. The DLP Link 3D projector based on the DMD chip comprises a projector shell and a projector core and further comprises the DMD chip arranged on the projector core, wherein the projector shell is cuboid, the projector core is arranged in the projector shell, and a control module connected with the projector core is also arranged on the upper surface of the projector shell; a projector lens is arranged in the middle of the front side of the projector shell, an air inlet and an air outlet are formed in the two sides of the projector lens on the front side of the projector shell respectively, an air filter screen is arranged on the rear side of the air inlet, and a wireless signal receiver is arranged on the front side of the projector shell. A height adjustment supporting foot is arranged at the position where the front side of the projector shell is connected with the bottom surface, and a focusing ring, a zooming ring and a horizontal keystone correction module are arranged on the rear side of the projector lens in sequence. According to the DLP Link 3D projector, the DMD chip is used, the internal structure is easy and convenient to obtain, the requirement for hardware is low, and cost of products is reduced.
Description
Technical field
The invention discloses a kind of DLP Link 3D projecting apparatus based on dmd chip, relate to 3D video imaging technique field.
Background technology
Current 3D projecting apparatus not only receives an acclaim in family market, also starts extensive use 3D technology in industry market.Cooperate with medical colleges and schools, joint development medical science 3D Imaging teaching system.By the 3D picture of high definition, student can watch dissection direct seeding operation more truly, can improve the effect of teaching widely.Simultaneously in the industry such as aerial survey, satellite remote sensing, the application of 3D technology, also can help it to interpret blueprints widely and sentence the authenticity of figure.
3D display has not only been confined to movie theatre and various exhibition center, except various professional application, is also expected to realize 3D display in common home entertaining and teaching.3D projection, except being applied to home entertaining and school instruction, can also being applied to the fields such as geographical information management, management map, analog simulation, Machine Design, medical treatment, biological dissection, becoming the another large technique direction in display field after high definition.
The 3D Vision technology of NVIDIA and the relatively more extensive of 3D external member use in the prior art, but comparatively speaking, it is higher to hardware requirement, and price is also relatively costly, uses more complicated.
Summary of the invention
Technical problem to be solved by this invention is: for the defect of prior art, provides a kind of DLP Link3D projecting apparatus based on dmd chip, and exported the picture of 120MHz refresh rate by dmd chip, right and left eyes is used alternatingly, and makes human eye form the visual effect of 3D.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of DLP Link 3D projecting apparatus based on dmd chip, comprise projecting apparatus housing and projecting apparatus movement, also comprise the dmd chip be arranged on projecting apparatus movement, the shape of described projecting apparatus housing is cuboid, projecting apparatus movement is arranged at projecting apparatus enclosure interior, and the upper surface of projecting apparatus housing is also provided with the control module be connected with projecting apparatus movement;
The middle part in described projecting apparatus housing front is provided with projector lens, the both sides of projecting apparatus housing front projector camera lens are respectively arranged with air inlet and exhaust outlet, the rear side of described air inlet is also provided with air strainer, and projecting apparatus housing front is also provided with wireless signal receiver;
The junction of described projecting apparatus housing front and bottom surface is also provided with and highly regulates spike, and the rear side of projector lens is also disposed with focusing ring, zoom ring and horizontal keystone correction module;
The input signal input projecting apparatus movement of projecting apparatus, after treatment successively after horizontal keystone correction module, zoom ring, focusing ring through projector lens Projection Display;
Described control module is for arranging the running parameter of projecting apparatus;
Described air inlet sucks air and dispels the heat to projecting apparatus movement after air filtration net filtration, and hot-air is discharged by exhaust outlet again;
Described wireless signal receiver is in order to receive the wireless control directives of remote controller;
Described height regulates spike in order to regulate the projection angle of projector lens, controls the horizontal level of projected picture;
Described dmd chip is by COMS, SRAM memory cell makes, form the micro electronmechanical superstructure circuit unit integrated, described micro electronmechanical superstructure comprises complete CMOS main memory circuit, mask layer, aluminum metal layer and sclerosis photoresist layer, described aluminum metal layer comprises address electrode, hinge, yoke and speculum, described sclerosis photoresist layer is as sacrifice layer, in order to form two air gaps, aluminum metal is through sputter-deposited and plasma etching process processes, sacrifice layer is then through plasma dedust process, produce the air gap of interlayer, and then projecting apparatus movement is mixed through the primaries come, and be converted to coloured image by Data Control.
As present invention further optimization scheme, described projecting apparatus also comprises lens cap, and the material of described lens cap is polyvinyl resin, and size and the projector lens of lens cap adapt, and are connected between lens cap and projecting apparatus housing by nylon rope.
As present invention further optimization scheme, the end angle, four, bottom of described projecting apparatus housing is also respectively arranged with suspension bracket fixing feet, and when projecting apparatus needs to be suspended on eminence use, reversing projecting apparatus, is connected described suspension bracket fixing feet with fixture.
As present invention further optimization scheme, the material of described projecting apparatus housing is high-strength polyvinyl chloride.
As present invention further optimization scheme, the structure of described air inlet and exhaust outlet is the lattice-shaped filter screen that vertical direction is evenly arranged.
As present invention further optimization scheme, described wireless signal receiver is infrared radio signal receiver or blue teeth wireless signal receiver.
As present invention further optimization scheme, the model of described dmd chip is Benq MP670.
As present invention further optimization scheme, described horizontal keystone correction module adopts digital keystone mode, by software interpolation algorithm, Adjusting Shape and compensation are carried out to the image before display, horizontal keystone correction module because projecting apparatus mirror and screen cannot the vertical and image trapezoidal distortions of horizontal direction that produce, makes projecting apparatus also can realize standard rectangular projected image equally in the side of screen in order to process.
As present invention further optimization scheme, described dmd chip controls projector lens, makes its light transmission efficiency be greater than 85%.
As present invention further optimization scheme, described control module is liquid crystal touch screen display.
The present invention adopts above technical scheme compared with prior art, has following technique effect: this product structure is simple, uses the internal structure of dmd chip simple and easy to do, lower to the requirement of hardware, reduces the cost of product.
Accompanying drawing explanation
Fig. 1 is product structure schematic diagram of the present invention,
Wherein: 1.DMD chip, 2. exhaust outlet, 3. wireless signal receiver, 4. projector lens, 5. lens cap, 6. air inlet, 7. highly regulate spike, 8. air strainer, 9. focusing ring, 10. zoom ring, 11. horizontal keystone correction modules, 12. control modules.
Embodiment
Be described below in detail embodiments of the present invention, the example of described execution mode is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the execution mode be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Those skilled in the art of the present technique are understandable that, the correlation module related in the present invention and the function of realization thereof are the devices of hardware after improvement and formation thereof, device or system carry computer software programs conventional in prior art or pertinent protocols just can realize, and are not improve computer software programs of the prior art or pertinent protocols.Such as, the computer hardware system after improvement still can realize the specific function of this hardware system by loading existing operation system of software.Therefore, be understandable that, innovation of the present invention is the improvement of hardware module in prior art and connects syntagmatic, but not be only in hardware module for realizing the improvement of software or the agreement of carrying about function.
Those skilled in the art of the present technique are understandable that, the correlation module mentioned in the present invention is the one or more hardware device for performing in step in operation, method, flow process described in the application, measure, scheme.Described hardware device for required object and specialized designs and manufacture, or also can adopt the known device in all-purpose computer or other known hardware devices.Described all-purpose computer activates or reconstructs with having storage procedure Selection within it.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in specification of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or couple.Wording "and/or" used herein comprises one or more arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
3D projection scheme is the use of the stereoscopic three-dimensional of 3D Link technology, adopt three-dimensional image data format, lock-out pulse is inserted between picture frame, do not need the external emitters that independent, utilize the feature of the quick switching (120Hz) of DMD, glasses are made to be undertaken synchronously, realizing 3D effect by projected image.DLP chip has to be exceedingly fast and switches the feature of micro mirror, left eye and right eye can present different pictures simultaneously, thus form the picture with 3D effect at brain.
Be that dmd chip (Digital Micromirror Device, digital micro-mirror device) comprises thousands of micro mirror as device, each mirror represents a pixel, bright and dark with regard to pixel in representative image of the state opened or closed.Light beam, by the colour wheel (colour esensitized equipment) of a High Rotation Speed, is incident upon on DMD, then is incident upon on large-screen by optical lens.
Structural representation of the present invention as shown in Figure 1, the described DLP Link 3D projecting apparatus based on dmd chip, comprise projecting apparatus housing and projecting apparatus movement, also comprise the dmd chip be arranged on projecting apparatus movement, the shape of described projecting apparatus housing is cuboid, projecting apparatus movement is arranged at projecting apparatus enclosure interior, and the upper surface of projecting apparatus housing is also provided with the control module be connected with projecting apparatus movement; The middle part in described projecting apparatus housing front is provided with projector lens, the both sides of projecting apparatus housing front projector camera lens are respectively arranged with air inlet and exhaust outlet, the rear side of described air inlet is also provided with air strainer, and projecting apparatus housing front is also provided with wireless signal receiver; The junction of described projecting apparatus housing front and bottom surface is also provided with and highly regulates spike, and the rear side of projector lens is also disposed with focusing ring, zoom ring and horizontal keystone correction module; The input signal input projecting apparatus movement of projecting apparatus, after treatment successively after horizontal keystone correction module, zoom ring, focusing ring through projector lens Projection Display; Described control module is for arranging the running parameter of projecting apparatus; Described air inlet sucks air and dispels the heat to projecting apparatus movement after air filtration net filtration, and hot-air is discharged by exhaust outlet again; Described wireless signal receiver is in order to receive the wireless control directives of remote controller; Described height regulates spike in order to regulate the projection angle of projector lens, controls the horizontal level of projected picture.
Described dmd chip is by COMS, SRAM memory cell makes, form the micro electronmechanical superstructure circuit unit integrated, described micro electronmechanical superstructure comprises complete CMOS main memory circuit, mask layer, aluminum metal layer and sclerosis photoresist layer, described aluminum metal layer comprises address electrode, hinge, yoke and speculum, described sclerosis photoresist layer is as sacrifice layer, in order to form two air gaps, aluminum metal is through sputter-deposited and plasma etching process processes, sacrifice layer is then through plasma dedust process, produce the air gap of interlayer, and then projecting apparatus movement is mixed through the primaries come, and be converted to coloured image by Data Control.
The structure of dmd chip includes electronic circuit, machinery and optics three aspects.Wherein electronic circuitry part is control circuit, and mechanical part is the structure division controlling eyeglass rotation, and optic part is optic portion.When DMD normally works time, light is through dmd chip, and DMD surface has been covered with the small rotatable eyeglass of volume just can by rotating reflection ray, and the rotation of each eyeglass is controlled by circuit.Each mirror once rotates and only reflects a kind of color (such as, the micro mirror of projection color purple pixel is only responsible for reflect red blue light on the projection surface, and the micro mirror projecting salmon pink pixel is only responsible on the projection surface reflect red and green glow in proportion, and (red ratio is high, green ratio is low), the rotary speed of mirror can reach thousands of turns, so many mirror changes with so fast speed, light is projected after on screen by camera lens, illusion is caused to the organs of vision of people, the primaries flashed fast mixes by the naked eyes mistake of people, so see mixed color on the image of projection.
As present invention further optimization scheme, described projecting apparatus also comprises lens cap, and the material of described lens cap is polyvinyl resin, and size and the projector lens of lens cap adapt, and are connected between lens cap and projecting apparatus housing by nylon rope.
As present invention further optimization scheme, the end angle, four, bottom of described projecting apparatus housing is also respectively arranged with suspension bracket fixing feet, and when projecting apparatus needs to be suspended on eminence use, reversing projecting apparatus, is connected described suspension bracket fixing feet with fixture.
As present invention further optimization scheme, the material of described projecting apparatus housing is high-strength polyvinyl chloride.
As present invention further optimization scheme, the structure of described air inlet and exhaust outlet is the lattice-shaped filter screen that vertical direction is evenly arranged.
As present invention further optimization scheme, described wireless signal receiver is infrared radio signal receiver or blue teeth wireless signal receiver.
As present invention further optimization scheme, the model of described dmd chip is Benq MP670.
As present invention further optimization scheme, described horizontal keystone correction module adopts digital keystone mode, by software interpolation algorithm, Adjusting Shape and compensation are carried out to the image before display, horizontal keystone correction module because projecting apparatus mirror and screen cannot the vertical and image trapezoidal distortions of horizontal direction that produce, makes projecting apparatus also can realize standard rectangular projected image equally in the side of screen in order to process.
As present invention further optimization scheme, described dmd chip controls projector lens, makes its light transmission efficiency be greater than 85%.
As present invention further optimization scheme, described control module is liquid crystal touch screen display.
Product disclosed in this invention makes the aspects such as picture contrast, tonal gradation (256-1024 level), color (2563-10243 kind), image signal noise ratio, image quality are stable all very outstanding.Due to the application of reflective DMD device, the distance between the micromirror of formation DLP image pixel is very little, makes the light transmission efficiency of image device reach more than 85%.The image produced is very bright, and definition is high.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection range all still belonging to technical solution of the present invention.
Claims (10)
1. the DLP Link 3D projecting apparatus based on dmd chip, comprise projecting apparatus housing and projecting apparatus movement, it is characterized in that: also comprise the dmd chip be arranged on projecting apparatus movement, the shape of described projecting apparatus housing is cuboid, projecting apparatus movement is arranged at projecting apparatus enclosure interior, and the upper surface of projecting apparatus housing is also provided with the control module be connected with projecting apparatus movement;
The middle part in described projecting apparatus housing front is provided with projector lens, the both sides of projecting apparatus housing front projector camera lens are respectively arranged with air inlet and exhaust outlet, the rear side of described air inlet is also provided with air strainer, and projecting apparatus housing front is also provided with wireless signal receiver;
The junction of described projecting apparatus housing front and bottom surface is also provided with and highly regulates spike, and the rear side of projector lens is also disposed with focusing ring, zoom ring and horizontal keystone correction module;
The input signal input projecting apparatus movement of projecting apparatus, after treatment successively after horizontal keystone correction module, zoom ring, focusing ring through projector lens Projection Display;
Described control module is for arranging the running parameter of projecting apparatus;
Described air inlet sucks air and dispels the heat to projecting apparatus movement after air filtration net filtration, and hot-air is discharged by exhaust outlet again;
Described wireless signal receiver is in order to receive the wireless control directives of remote controller;
Described height regulates spike in order to regulate the projection angle of projector lens, controls the horizontal level of projected picture;
Described dmd chip is by COMS, SRAM memory cell makes, form the micro electronmechanical superstructure circuit unit integrated, described micro electronmechanical superstructure comprises complete CMOS main memory circuit, mask layer, aluminum metal layer and sclerosis photoresist layer, described aluminum metal layer comprises address electrode, hinge, yoke and speculum, described sclerosis photoresist layer is as sacrifice layer, in order to form two air gaps, aluminum metal is through sputter-deposited and plasma etching process processes, sacrifice layer is then through plasma dedust process, produce the air gap of interlayer, and then projecting apparatus movement is mixed through the primaries come, and be converted to coloured image by Data Control.
2. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 1, it is characterized in that: described projecting apparatus also comprises lens cap, the material of described lens cap is polyvinyl resin, size and the projector lens of lens cap adapt, and are connected between lens cap and projecting apparatus housing by nylon rope.
3. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 1 or 2, it is characterized in that: the end angle, four, bottom of described projecting apparatus housing is also respectively arranged with suspension bracket fixing feet, when projecting apparatus needs to be suspended on eminence use, reversing projecting apparatus, is connected described suspension bracket fixing feet with fixture.
4. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 1, is characterized in that: the material of described projecting apparatus housing is high-strength polyvinyl chloride.
5. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 4, is characterized in that: the structure of described air inlet and exhaust outlet is the lattice-shaped filter screen that vertical direction is evenly arranged.
6. a kind of DLP Link 3D projecting apparatus based on dmd chip as described in claim 1 or 4, is characterized in that: described wireless signal receiver is infrared radio signal receiver or blue teeth wireless signal receiver.
7. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 1, is characterized in that: the model of described dmd chip is Benq MP670.
8. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 1, it is characterized in that: described horizontal keystone correction module adopts digital keystone mode, by software interpolation algorithm, Adjusting Shape and compensation are carried out to the image before display, horizontal keystone correction module because projecting apparatus mirror and screen cannot the vertical and image trapezoidal distortions of horizontal direction that produce, makes projecting apparatus also can realize standard rectangular projected image equally in the side of screen in order to process.
9. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 8, is characterized in that: described dmd chip controls projector lens, makes its light transmission efficiency be greater than 85%.
10. a kind of DLP Link 3D projecting apparatus based on dmd chip as claimed in claim 1, is characterized in that: described control module is liquid crystal touch screen display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138080.1A CN104717486A (en) | 2015-03-26 | 2015-03-26 | DLP Link 3D projector based on DMD chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138080.1A CN104717486A (en) | 2015-03-26 | 2015-03-26 | DLP Link 3D projector based on DMD chip |
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| Publication Number | Publication Date |
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| CN104717486A true CN104717486A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510138080.1A Pending CN104717486A (en) | 2015-03-26 | 2015-03-26 | DLP Link 3D projector based on DMD chip |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652577A (en) * | 2016-04-13 | 2016-06-08 | 江南大学 | Projector |
| CN105652567A (en) * | 2016-04-13 | 2016-06-08 | 江南大学 | Projection method |
| CN108873578A (en) * | 2018-09-11 | 2018-11-23 | 广州市易卓交通科技有限公司 | Trapezium structure can be climbed inside imager |
| CN113534578A (en) * | 2020-04-15 | 2021-10-22 | 明基智能科技（上海）有限公司 | Projector with a light source |
-
2015
- 2015-03-26 CN CN201510138080.1A patent/CN104717486A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652577A (en) * | 2016-04-13 | 2016-06-08 | 江南大学 | Projector |
| CN105652567A (en) * | 2016-04-13 | 2016-06-08 | 江南大学 | Projection method |
| CN105652577B (en) * | 2016-04-13 | 2017-05-10 | 江南大学 | Projector |
| CN105652567B (en) * | 2016-04-13 | 2017-05-24 | 江南大学 | Projection method |
| CN108873578A (en) * | 2018-09-11 | 2018-11-23 | 广州市易卓交通科技有限公司 | Trapezium structure can be climbed inside imager |
| CN113534578A (en) * | 2020-04-15 | 2021-10-22 | 明基智能科技（上海）有限公司 | Projector with a light source |
| CN113534578B (en) * | 2020-04-15 | 2022-11-25 | 明基智能科技（上海）有限公司 | Projector with a light source |
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Application publication date: 20150617 |