CN108287450A - A kind of holographic integrated back projection devices of 3D - Google Patents

A kind of holographic integrated back projection devices of 3D Download PDF

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Publication number
CN108287450A
CN108287450A CN201711338478.5A CN201711338478A CN108287450A CN 108287450 A CN108287450 A CN 108287450A CN 201711338478 A CN201711338478 A CN 201711338478A CN 108287450 A CN108287450 A CN 108287450A
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CN
China
Prior art keywords
holographic
lens
guard box
motor
projection
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Granted
Application number
CN201711338478.5A
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Chinese (zh)
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CN108287450B (en
Inventor
冀凤全
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Anhui Han Landscape Planning And Design Institute Co Ltd
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Anhui Han Landscape Planning And Design Institute Co Ltd
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Priority to CN201711338478.5A priority Critical patent/CN108287450B/en
Publication of CN108287450A publication Critical patent/CN108287450A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22Processes or apparatus for obtaining an optical image from holograms
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2227/00Mechanical components or mechanical aspects not otherwise provided for
    • G03H2227/03Means for moving one component

Abstract

The invention discloses a kind of holographic integrated back projection devices of 3D, are related to image display technology field.Including under casing and guard box;Guard box is arranged under casing top;It is provided with lens at the top of guard box;Lens surrounding is symmetrically arranged with locating rod;Projecting apparatus is equipped in guard box;Projecting apparatus side is provided with first motor;First motor both sides are symmetrically arranged with rope-winding shaft;Two rope-winding shafts are connect by gear assembly with first motor;It is fixedly connected with drawstring on two rope-winding shafts;Drawstring one end is interspersed in locating rod, and is connected on the holographic transparent rear projection screen above lens.The present invention drives rope-winding shaft rotation by using first motor through gear assembly, make drawstring that holographic transparent rear projection screen be driven to move up and down, to realize contraction or amplification to imaging size, and image position is made to be in suspended state, increase the aesthetic feeling of image, the application power for substantially increasing projection device expands its application range.

Description

A kind of holographic integrated back projection devices of 3D
Technical field
The invention belongs to image display technology fields, more particularly to a kind of holographic integrated back projection devices of 3D.
Background technology
Line holographic projections technology is also referred to as virtual image technology, is that simultaneously reconstructed object is true using interference and diffraction principle record The record of 3-D view and the technology of reproduction.Its first step is to record object light-wave information using principle of interference, this shot Journey:Object line holographic projections shooting process body forms the object beam of diffusion formula under laser irradiation;Another part laser is as ginseng It examines light beam to be mapped on holofilm, and is superimposed generation interference with object beam, the position phase and amplitude of each point on object light wave are converted At the intensity being spatially varying, to which all information of object light wave be recorded with interval using the contrast between interference fringe Come.The egative film of interference fringe is record after the processing routines such as developing, being fixed, is become as a hologram, or holographic is shone Piece.Its second step is to utilize diffraction principle reconstructed object light-wave information, this is imaging procedures:Hologram is like a complicated light Grid, under coherent laser illumination, the diffraction light wave of the sinusoidal pattern hologram of a linear recording can generally provide two as that is, former Begin as with often elephant altogether.The image three-dimensional sense of reproduction is strong, has true visual effect.The each section of hologram all has recorded object The optical information of each point on body, therefore its each section can reproduce the whole image of the original in principle, may be used also by multiple exposure To record multiple and different images on same egative film, and can show respectively without interfering with each other.
In construction projects, in order to the whole external and internal compositions of consumer's exhibition building.Typically first building is used soft Part is drawn out, and then produces the physical model of the building by a certain percentage again, and this mode can be well to consumption The integral layout of person exhibition building group, but not so good for the bandwagon effect of single building because it cannot more it is three-dimensional more The comprehensive each structure for showing building.Therefore, 3D holography integrated techniques are applied in architectural engineering, can be obtained Good effect.
The projection source of the holographic integrated rear-projection equipment of the 3D of the prior art and the spacing of projection receiving device be it is fixed, this The size for allowing for imaging immobilizes, and greatly reduces the application power of projection device, has limited to its application range;Also, Projection receiving device is fixed on always on a certain pedestal in the prior art, this allows for image space and immobilizes, and substantially reduces Its practical value.
Invention content
The purpose of the present invention is to provide a kind of holographic integrated back projection devices of 3D, and serving is driven by using first motor Shaft rotation is dynamic, makes drawstring that holographic transparent rear projection screen be driven to move up and down, and image position is made to be in suspended state, solves existing set The problems such as standby application power is low and narrow application range.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of holographic integrated back projection devices of 3D, including under casing and guard box;The guard box is arranged the bottom of at Upper box part;It is provided with lens at the top of the guard box;The lens surrounding is symmetrically arranged with locating rod;It is equipped in the guard box Projecting apparatus;The projecting apparatus side is provided with first motor;The first motor both sides are symmetrically arranged with rope-winding shaft;Two volumes Reel for rope is connect by gear assembly with first motor;It is fixedly connected with drawstring on two rope-winding shafts;It wears described drawstring one end Locating rod is inserted in, and is connected on the holographic transparent rear projection screen above lens.
Further, the second motor is equipped in the under casing;Second motor output shaft is connected to guard box bottom.
Further, endless glide is equipped in the under casing;Several first idler wheels are evenly arranged in the endless glide; Several first idler wheels are connected to the guard box bottom.
Further, the under casing bottom is evenly arranged with several second idler wheels;Several second idler wheels are using universal Wheel.
Further, several supporting rods are symmetrically arranged at the top of the guard box;It is fixed that several supporting bar tops pass through Position plate connection;It is provided with parallel lens on the positioning plate;Several supporting rods use telescopic rod.
Further, the lens are the compound lens of convex lens and concavees lens.
Further, it is connected by transparent explosion-proof glass between the two neighboring locating rod.
Further, the holographic transparent rear projection screen is the pyramid being made of four blocks of transparent triangle holographic imaging glass The rear projection screen of shape.
The invention has the advantages that:
1, the present invention drives rope-winding shaft rotation using first motor through gear assembly, and drawstring is made to drive holographic transparent rear projection screen It moves up and down, to realize contraction or amplification to imaging size, and image position is made to be in suspended state, increase image Aesthetic feeling substantially increases the application power of projection device, expands its application range.
2, the present invention makes image carry out position rotation by using the second motor, can effectively improve its ornamental performance, from And it ensure that the practical value of product.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is a kind of structural schematic diagram of the holographic integrated back projection devices of 3D of the present invention;
Fig. 2 is the structural side view of Fig. 1.
In attached drawing, parts list represented by the reference numerals are as follows:
1- under casings, 2- guard boxs, 3- first motors, 4- holographic transparent rear projection screens, the second motors of 101-, 102- annulars are slided Rail, the first idler wheels of 103-, the second idler wheels of 104-, 201- lens, 202- locating rods, 203- projecting apparatus, 204- supporting rods, 205- are fixed Position plate, 206- parallel lens, 301- rope-winding shafts, 302- gear assemblies, 303- drawstrings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " trepanning ", "upper", "lower", " thickness ", "top", " in ", Indicating positions or the position relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without It is that the component of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore not It can be interpreted as limitation of the present invention.
It please refers to Fig.1 shown in -2, the present invention is a kind of holographic integrated back projection devices of 3D, including under casing 1 and guard box 2; Guard box 2 is arranged on 1 top of under casing;2 top of guard box is provided with lens 201;201 surrounding of lens is symmetrically arranged with locating rod 202;Projecting apparatus 203 is equipped in guard box 2;203 side of projecting apparatus is provided with first motor 3.
Wherein as shown in Figs. 1-2,3 both sides of first motor are symmetrically arranged with rope-winding shaft 301;Two rope-winding shafts 301 pass through gear Component 302 is connect with first motor 3;It is fixedly connected with drawstring 303 on two rope-winding shafts 301;303 one end of drawstring is interspersed in positioning Bar 202, and be connected on the holographic transparent rear projection screen 4 of 201 top of lens.
Wherein, the second motor 101 is equipped under casing 1;Second motor, 101 output shaft is connected to 2 bottom of guard box.
Wherein, endless glide 102 is equipped under casing 1;Several first idler wheels 103 are evenly arranged in endless glide 102;If Dry first idler wheel 103 is connected to 2 bottom of guard box.
Wherein, 1 bottom of under casing is evenly arranged with several second idler wheels 104;Several second idler wheels 104 use universal wheel.
Wherein, 2 top of guard box is symmetrically arranged with several supporting rods 204;204 top of several supporting rods passes through positioning plate 205 connections;Parallel lens 206 are provided on positioning plate 205;Several supporting rods 204 use telescopic rod.
Wherein, lens 201 are the compound lens of convex lens and concavees lens.
Wherein, it is connected by transparent explosion-proof glass between two neighboring locating rod 202.
Wherein, holographic transparent rear projection screen 4 is the pyramidal back of the body being made of four blocks of transparent triangle holographic imaging glass Throw screen.
One of the present embodiment has particular application as:
Two dimensional image is passed through into interference and diffraction by projecting apparatus 203 by using line holographic projections technology, and passes through lens 201 Holographic transparent rear projection screen 4 is projected with parallel lens 206;It drives rope-winding shaft 301 to rotate by first motor 3, makes 303 band of drawstring Dynamic holographic transparent rear projection screen 4 moves up and down, and to realize contraction or amplification to imaging size, and so that image position is in and suspends State;Image is set to carry out position rotation by the second motor 101, to further increase the scope of application.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (8)

1. a kind of holographic integrated back projection devices of 3D, which is characterized in that including under casing (1) and guard box (2);
The guard box (2) is arranged under casing (1) top;It is provided with lens (201) at the top of the guard box (2);The lens (201) surrounding is symmetrically arranged with locating rod (202);Projecting apparatus (203) is equipped in the guard box (2);The projecting apparatus (203) Side is provided with first motor (3);
Wherein, first motor (3) both sides are symmetrically arranged with rope-winding shaft (301);Two rope-winding shafts (301) pass through gear set Part (302) is connect with first motor (3);It is fixedly connected with drawstring (303) on two rope-winding shafts (301);The drawstring (303) one end is interspersed in locating rod (202), and is connected on the holographic transparent rear projection screen (4) above lens (201).
2. the holographic integrated back projection devices of a kind of 3D according to claim 1, which is characterized in that set in the under casing (1) There is the second motor (101);Second motor (101) output shaft is connected to guard box (2) bottom.
3. the holographic integrated back projection devices of a kind of 3D according to claim 1, which is characterized in that set in the under casing (1) There is endless glide (102);Several first idler wheels (103) are evenly arranged on the endless glide (102);Several first rollings Wheel (103) is connected to the guard box (2) bottom.
4. the holographic integrated back projection devices of a kind of 3D according to claim 1, which is characterized in that under casing (1) bottom It is evenly arranged with several second idler wheels (104);Several second idler wheels (104) use universal wheel.
5. the holographic integrated back projection devices of a kind of 3D according to claim 1, which is characterized in that guard box (2) top Portion is symmetrically arranged with several supporting rods (204);Several supporting rod (204) tops are connected by positioning plate (205);It is described fixed It is provided with parallel lens (206) on position plate (205);Several supporting rods (204) use telescopic rod.
6. a kind of holographic integrated back projection devices of 3D according to claim 1, which is characterized in that the lens (201) are The compound lens of convex lens and concavees lens.
7. the holographic integrated back projection devices of a kind of 3D according to claim 1, which is characterized in that the two neighboring positioning Bar is connected between (202) by transparent explosion-proof glass.
8. the holographic integrated back projection devices of a kind of 3D according to claim 1, which is characterized in that the holographic transparent rear-projection It is the pyramidal rear projection screen being made of four blocks of transparent triangle holographic imaging glass to shield (4).
CN201711338478.5A 2017-12-14 2017-12-14 3D holographic integrated rear projection device Active CN108287450B (en)

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Application Number Priority Date Filing Date Title
CN201711338478.5A CN108287450B (en) 2017-12-14 2017-12-14 3D holographic integrated rear projection device

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Application Number Priority Date Filing Date Title
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CN108287450B CN108287450B (en) 2020-09-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112051720A (en) * 2020-09-22 2020-12-08 孙景玉 Multi-angle rotary type holographic projection display cabinet

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203457260U (en) * 2013-09-02 2014-02-26 宁夏先锋软件有限公司 Three-dimensional (3D) holographic integrated rear projection apparatus
CN203858769U (en) * 2014-04-28 2014-10-01 武汉理工大学 Mechanical three-dimensional display teaching aid capable of being watched by naked eye
GB2515496A (en) * 2013-06-25 2014-12-31 Beagle Media Ltd A display arrangement
CN204536722U (en) * 2015-04-24 2015-08-05 湖州师范学院 A kind of scalable 3D holographic projector
CN106384570A (en) * 2016-11-30 2017-02-08 广西大学 Advertising box
CN107132748A (en) * 2017-06-06 2017-09-05 辛小英 A kind of showcase hologram display device based on optical interference and diffraction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2515496A (en) * 2013-06-25 2014-12-31 Beagle Media Ltd A display arrangement
CN203457260U (en) * 2013-09-02 2014-02-26 宁夏先锋软件有限公司 Three-dimensional (3D) holographic integrated rear projection apparatus
CN203858769U (en) * 2014-04-28 2014-10-01 武汉理工大学 Mechanical three-dimensional display teaching aid capable of being watched by naked eye
CN204536722U (en) * 2015-04-24 2015-08-05 湖州师范学院 A kind of scalable 3D holographic projector
CN106384570A (en) * 2016-11-30 2017-02-08 广西大学 Advertising box
CN107132748A (en) * 2017-06-06 2017-09-05 辛小英 A kind of showcase hologram display device based on optical interference and diffraction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112051720A (en) * 2020-09-22 2020-12-08 孙景玉 Multi-angle rotary type holographic projection display cabinet

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