CN205450463U - Bore hole 3D display system - Google Patents
Bore hole 3D display system Download PDFInfo
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- CN205450463U CN205450463U CN201620221153.3U CN201620221153U CN205450463U CN 205450463 U CN205450463 U CN 205450463U CN 201620221153 U CN201620221153 U CN 201620221153U CN 205450463 U CN205450463 U CN 205450463U
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Abstract
The utility model discloses a bore hole 3D display system relates to the 3D display technique, including the collimated light source generator, can produce and export even parallel white light, two -dimensional array figure generator is received behind the even parallel white light, output has the parallel light of the two -dimensional array figure of scattered light, scattered light filtering ware is received the parallel light of the two -dimensional array figure of scattered light, behind the filtering scattered light, the parallel light of reexport two -dimensional array figure, the two dimension pointolite space projector is received behind the parallel light of two -dimensional array figure, with the graphic unit in the two -dimensional array figure to the form of pointolite, positions different in the space is throwed in focus. The utility model discloses a 2 bore hole 3D display system, under the condition that need not not use the entity screen, can be with the graphic unit in the two -dimensional array figure to positions different in the space is throwed to the form of pointolite, focus, in order to reach the purpose that bore hole 3D shows.
Description
Technical field
This utility model relates to 3D Display Technique, especially a kind of bore hole 3D display system.
Background technology
Existing bore hole 3D display is mainly by being projeced into point source on the projection surface of rotation, to show the pattern of 3D.According to the difference of projection surface character, planar projective method and two kinds of methods of spiral camber projective method can be divided into.
As it is shown in figure 1, be the schematic diagram of conventional planar projective method:
The planar projective device utilizing LED technology includes Plane of rotation LED array display 10, according to the anglec of rotation of this flat-panel screens 10, can correctly show the pattern of 3D in the revolution space of this planar LED array display 10.
As in figure 2 it is shown, be the schematic diagram of conventional spiral camber projective method:
The spiral camber grenade instrumentation utilizing laser technology includes laser point source 11, is suitably projeced on the spiral camber 12 of rotation, can produce the pattern of 3D in the revolution space of the spiral camber 12 of this rotation.
Whether planar projective method or spiral camber projective method, conventional real image 3D display exists three and determines:
1, being limited in scope of the solid space that can present, and 3D image is to be limited in fixing space.
2, full-color image cannot be provided, the common technology based on LED, there is no single LED at present and the light source of random color can be provided；Although laser can provide individually the light source of approximation Red, Blue, Green, but is intended to three kinds of light sources are gathered in same point and provides full-color color simultaneously, much more expensive and huge device will be become.
3, conventional device must be placed in the space of dark, disturb 3D image with the object image of avoiding device.
Utility model content
The utility model proposes a kind of bore hole 3D display system, it is not necessary to wear any special spectacles, can bore hole directly see regarding 3D image.
The technical solution of the utility model is achieved in that
A kind of bore hole 3D display system, including:
Source of parallel light generator, can produce and export uniform collimated white light；
Two-dimensional array pattern generator, after receiving described uniform collimated white light, output has the directional light of the two-dimensional array figure of scattered light；
Scattered light stripper, receives the directional light of the two-dimensional array figure of described scattered light, after filtering scattered light, then exports the directional light of two-dimensional array figure；
Two-dimensional points light source space projector, after receiving the directional light of described two-dimensional array figure, by the graphic element in two-dimensional array figure, with the form of point source, focuses on and is projeced into positions different in space.
As preferably, described source of parallel light generator, is made up of with parallel photoconverter point source generator, and described point source generator produces and export the white point light source of approximation point-like, described directional light transducer receives the white point light source of approximation point-like, and exports uniform collimated white light.
As preferably, described directional light transducer, it is made up of with scattered light stripper optical lens group, described optical lens group, the collimated white light with scattered light is converted thereof into after receiving the white point light source of approximation point-like, described scattered light stripper receives this collimated white light with scattered light, after filtering the part of scattered light, then exports collimated white light.
As preferably, described point source produces device and includes:
White light source, can produce the white light of output arbitrarily scattering；
Cylinder, its one end is provided with scattering mouth, and described scattering mouth is arranged on scattering object rear end, reaches the purpose of closed cylinder, and described cylinder inner surface is fully reflecting surface；
Focusing optical lenses group, is arranged in described cylinder, can assemble most white light to described scattering object；
Scattering object, does homogenous diffusion by incident illumination, and via the opening of described scattering mouth, to the white point light source of the outside output approximation point-like of described cylinder.
As preferably, described scattering object can be spheroid or packet.
As preferably, this two-dimensional array pattern generator, formed by being arranged in multiple graphic element arrays in two-dimensional space.
As preferably, described scattered light stripper is made up of with rear optics device front optics device, shutter.
As preferably, described two-dimensional points light source space projector, formed by being arranged in varifocal optics device cell array multipair on two-dimensional space.
As preferably, this varifocal optics device unit, it is made up of with portable optical lens group fixed optical lens group, the movement of described portable optical lens group, by motor control, linear movement can be done on optical axis, reach the purpose of zoom.
This utility model is by a kind of bore hole 3D display system provided, it has the beneficial effects that: in the case of need not using entity screen, utilize the use of the elements such as source of parallel light generator, two-dimensional array pattern generator, scattered light stripper and two-dimensional points light source space projector, can be by the graphic element in two-dimensional array figure, form with point source, focus on and be projeced into positions different in space, to reach the purpose that bore hole 3D shows.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the planar projective device schematic diagram utilizing LED mode in prior art；
Fig. 2 is the spiral camber grenade instrumentation schematic diagram utilizing laser mode in prior art；
Fig. 3 is the schematic diagram of living human eye's moment stereoscopic fusion mechanism；
Fig. 4 is the schematic diagram of artificial point source mechanism；
Fig. 5 is the schematic diagram of the present embodiment bore hole 3D display system；
Fig. 6 is the schematic diagram of source of parallel light generator in the present embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown on figure 3, the schematic diagram of the moment stereoscopic fusion mechanism of human eye.So-called moment stereoscopic fusion mechanism, is i.e. not rotate under conditions of eyeball changes sight line, do not changes crystalline lens focal length, the mechanism of the solid space size of naked eyes institute energy perception.Through such a mechanism, the mankind can correctly judge the distance perspective of object in visual space.Typically, the naked eyes of the mankind mainly carry out the far and near distance of perceptual object by the focusing of crystalline lens of eyes, the convergence angle of eyes and parallax effect.Due to, the outward appearance that object is overall, all can be annotated the outward appearance of its optics, that is the surface of this object by point source, be to be made up of countless point sources.The perception mechanism of far and near distance is described with the point source 40,41 of two different distance below.Assume that left eye 20 and right eye 30 are to watch attentively in point source 40, then in place of the sight line 22,32 of images of left and right eyes will be intersected in point source 40, and make the convergence angle of eyes become q.It addition, left and right crystalline lens 21,31 can adjust its focal length, making point source 40 image in the center 42,43 of left and right retina 23,33, point source 41 then images in the position 44,45 that left and right retina 23,33 is different.For point source 40, perceived distance is to be determined with left and right crystalline lens focal length by convergence angle q, and point source 41 is then determined by the position 44,45 (namely parallax effect) of different imagings for the relative distance of point source 40.Substantially, the moment stereoscopic fusion scope 50 of naked eyes is extremely limited, and people is located against constantly scanning space, and remembers the moment of image, is assembled by solid space at the moment.In moment stereoscopic fusion scope, the absolute distance sense of the point of fixation (such as point source 40) of eyes is to be determined with left and right crystalline lens focal length by convergence angle q, and the relative distance sense (as relative to point source 40) of other objects (such as point source 41) in corresponding circle of sensation, then determined by parallax effect.
As shown in Figure 4, the schematic diagram of artificial point source mechanism.Mechanism includes source of parallel light 60 and optical lens system 61.This source of parallel light 60 is focused on focal point f by this optical lens system 61 and becomes point source 62.The distance of this point source 62 of perception is got final product for being in the images of left and right eyes 65,66 of the visible area 63 of this point source 62.Change the focal distance f of this optical lens system 61, the distance of point source 62 can be changed.
As described in Figure 5, the present embodiment provides bore hole 3D display system, is made up of with two-dimensional points light source space projector 130 source of parallel light generator 100, two-dimensional array pattern generator 110, scattered light stripper 120.This source of parallel light generator 100 can produce and export uniform collimated white light 250.The design of this source of parallel light generator 100, refering to Fig. 6, source of parallel light generator 200 is made up of with directional light transducer 220 point source generator 201.This point source generator 201 can produce and export the white point light source 210 of approximation point-like, and this directional light transducer 220 then receives the white point light source 210 of this approximation point-like, and by after this point source effect, exports uniform collimated white light 250.
This point source generator 201 is made up of white light source 202, closed cylinder 203, focusing optical lenses group 205, scattering object 206.This white light source 202 can produce the white light of output arbitrarily scattering.This closed cylinder 203 is mainly made up of suitable sealing surface, is provided with the scattering mouth 204 of suitable opening in its end, and this scattering mouth 204 device, after this scattering object 206, reaches the purpose of closed cylinder 203.The inner surface of this cylinder 203 sealing surface is processed to be fully reflecting surface, coordinate the use of suitable optical lens 205, in place of most white light can being focused to scattering object 206, the white light of remainder is because being closed by this closed cylinder 203, in addition to being absorbed once again by white light source 202, through mirror repeatedly, this scattering object 206 also can be arrived.The effect of this scattering object 206, makees uniform scattering by incident illumination, and via the opening of this scattering mouth 204, to the white point light source 210 of the outside output approximation point-like of this closed cylinder 203.This scattering object 206 can be to have the spheroid 207 in suitable footpath or have the packet 208 of suitable thickness.This scattering object 206 is in transparent material 207,208, mixes the tiny transparency of the unlike material of suitable density or opaque mirror thing 209, this tiny transparency or opaque mirror thing 209 and is distributed in a random way in scattering object 206.Owing to this tiny transparency or opaque mirror thing 209 have different refractive indexs or mirror characteristic and the characteristic of random distribution, the incident illumination being incident in this scattering object 206 can be made uniform scattering.By the design of suitable scattering mouth 204, the light-emitting 3 D angle of the white point light source 210 of this approximation point-like can be controlled.
It addition, this directional light transducer 220 is made up of with scattered light stripper 230 optical lens group 221.This optical lens group 221, after receiving the white point light source 210 of this approximation point-like, converts thereof into the collimated white light 240 with scattering.Receiving this collimated white light 240 with scattering after this scattered light stripper 230, after the part filtering scattered light, exporting uniform collimated white light 250, this scattered light stripper 230 is made up of with rear optics device 224 front optics device 222, shutter 223.This front optics device 222 is optical lens group, has the focal length of f1, the collimated white light 240 with scattering of this incidence can be focused on focus f1；This shutter 223 is dark slide, is arranged in focus f1 of this front optics device 222, and on it, device has the circular hole 225 of suitable radius, and the effect of this circular hole 225 is that the scattered light that will be unable to focusing f1 focus filters.It addition, this rear optics device 224 is optical lens group, there is the focal length of f2, and after being arranged at this shutter 223 with the distance of f2, the light source focusing on f1 can be remake with after, export uniform collimated white light 250.
As shown in Figure 5, two-dimensional array pattern generator 110, it is made up of most pattern generating unit 111 array being arranged in two-dimensional space, after receiving this uniform collimated white light 250, output has the source of parallel light 114 of the two-dimensional array figure of scattered light, the generation of this scattered light, during due to directional light by this two-dimensional array pattern generator 110, because internal structure is caused.For incident white light, this pattern generating unit 111 is can be reached to select the color of printing opacity by the control of external electrical signal；Or become baffle completely, do not export any light source.Done electric control by all pattern generating unit 111, required figure can be produced.Such as, when pattern generating unit 112 is configured to green, i.e. incident uniform parallel white light 250 is made the effect filtered, only allow green light；During it addition, pattern generating unit 113 is configured to redness, i.e. incident uniform collimated white light 250 is made the effect filtered, only allows HONGGUANG pass through；Other pattern generating unit 111 is then configured to shielding status, incident uniform collimated white light 250 is made completely obscured effect, does not export any light source.
Scattered light stripper 120 receives the source of parallel light 114 of this two-dimensional array figure with scattered light, after the part filtering scattered light, then exports the source of parallel light 115 of two-dimensional array figure.This scattered light stripper 120 is to be made up of with rear optics device 122 front optics device 121, shutter 123.This front optics device 121 is optical lens group, has the focal length of f1, can the source of parallel light 114 with the two-dimensional array figure of scattered light be focused at focus f1；This shutter 123 is dark slide, is arranged in focus f1 of this front optics device 121, and on it, device has the circular hole 124 of suitable radius, and the effect of this circular hole 124 is to will be unable to focus on the scattered light of f1 focus filter.It addition, this rear optics device 122 is optical lens group, there is the focal length of f2, and after being arranged at this shutter 123 with the distance of f2, the light source focusing on f1 can be acted as the source of parallel light 115 of two-dimensional array figure again.
Two-dimensional points light source space projector 130 receives the source of parallel light 115 of this two-dimensional array figure, and by the directional light of graphic elements indivedual in two-dimensional array figure, with the form of point source, focuses on and be projeced into positions different in space.This two-dimensional points light source space projector 130, is formed by being arranged in varifocal optics device cell array multipair on two-dimensional space.This varifocal optics device unit (133,134), (135,136) can be made up of with portable optical lens group 134,136 fixed optical lens group 133,135, this varifocal optics device unit, after the directional light 115 receiving this two-dimensional array figure, can be by the directional light of this two-dimensional array graphic element 112,113, with the form of point source, focus on and be projeced into positions 138,137 different in space.This varifocal optics device unit (133,134), the optical focal length of (135,136) are reached by moving this movable type optical lens group 134,136.The movement of this movable type optical lens group 134,136, by electric machine, by the control of external electrical signal, can do linear movement on optical axis, moves portable optical lens group 134,136 to suitable position, can reach the purpose of zoom.That is, these varifocal optics device unit (133,134), (135,136), can be by the source of parallel light by the graphic element 113 (red) of this pattern generator 110 Yu graphic element 112 (green), with the form of point source, indivedual projections focus on different locus 137,138.Therefore locate the beholder 139 of then appropriate location, perception can focus on the far and near sense of locus 137,138 point source, and reach the purpose of real image 3D display of the present invention.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (9)
1. a bore hole 3D display system, it is characterised in that including:
Source of parallel light generator, can produce and export uniform collimated white light；
Two-dimensional array pattern generator, after receiving described uniform collimated white light, output has the directional light of the two-dimensional array figure of scattered light；
Scattered light stripper, receives the directional light of the two-dimensional array figure of described scattered light, after filtering scattered light, then exports the directional light of two-dimensional array figure；
Two-dimensional points light source space projector, after receiving the directional light of described two-dimensional array figure, by the graphic element in two-dimensional array figure, with the form of point source, focuses on and is projeced into positions different in space.
A kind of bore hole 3D display system the most according to claim 1, it is characterized in that, described source of parallel light generator, it is made up of with parallel photoconverter point source generator, described point source generator produces and exports the white point light source of approximation point-like, described directional light transducer receives the white point light source of approximation point-like, and exports uniform collimated white light.
A kind of bore hole 3D display system the most according to claim 2, it is characterized in that, described directional light transducer, it is made up of with scattered light stripper optical lens group, described optical lens group, converts thereof into the collimated white light with scattered light after receiving the white point light source of approximation point-like, and described scattered light stripper receives this collimated white light with scattered light, after filtering the part of scattered light, then export collimated white light.
A kind of bore hole 3D display system the most according to claim 2, it is characterised in that described point source produces device and includes:
White light source, can produce the white light of output arbitrarily scattering；
Cylinder, its one end is provided with scattering mouth, and described scattering mouth is arranged on scattering object rear end, reaches the purpose of closed cylinder, and described cylinder inner surface is fully reflecting surface；
Focusing optical lenses group, is arranged in described cylinder, can assemble most white light to described scattering object；
Scattering object, does homogenous diffusion by incident illumination, and via the opening of described scattering mouth, to the white point light source of the outside output approximation point-like of described cylinder.
A kind of bore hole 3D display system the most according to claim 4, it is characterised in that described scattering object can be spheroid or packet.
A kind of bore hole 3D display system the most according to claim 1, it is characterised in that this two-dimensional array pattern generator, is formed by being arranged in multiple graphic element arrays in two-dimensional space.
A kind of bore hole 3D display system the most according to claim 1, it is characterised in that described scattered light stripper is made up of with rear optics device front optics device, shutter.
A kind of bore hole 3D display system the most according to claim 1, it is characterised in that described two-dimensional points light source space projector, is formed by being arranged in varifocal optics device cell array multipair on two-dimensional space.
A kind of bore hole 3D display system the most according to claim 8, it is characterized in that, this varifocal optics device unit, it is made up of with portable optical lens group fixed optical lens group, the movement of described portable optical lens group, by motor control, linear movement can be done on optical axis, reach the purpose of zoom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620221153.3U CN205450463U (en) | 2016-03-19 | 2016-03-19 | Bore hole 3D display system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620221153.3U CN205450463U (en) | 2016-03-19 | 2016-03-19 | Bore hole 3D display system |
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| CN205450463U true CN205450463U (en) | 2016-08-10 |
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| CN201620221153.3U Active CN205450463U (en) | 2016-03-19 | 2016-03-19 | Bore hole 3D display system |
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