CN210573041U - Three-dimensional display device of body that conveniently sets up - Google Patents
Three-dimensional display device of body that conveniently sets up Download PDFInfo
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- CN210573041U CN210573041U CN201921855933.3U CN201921855933U CN210573041U CN 210573041 U CN210573041 U CN 210573041U CN 201921855933 U CN201921855933 U CN 201921855933U CN 210573041 U CN210573041 U CN 210573041U
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Abstract
The utility model discloses a conveniently arranged three-dimensional display device, which comprises a fixed carrier, wherein the fixed carrier is provided with a rotating mechanism and an image source carrier; the rotating mechanism is provided with a projection screen and a light source module, and the rotating mechanism drives the projection screen to rotate around an axis; the light source module comprises two parallel light source groups which are respectively arranged at two sides of the projection screen, and the light source module and the projection screen rotate synchronously; the image source carrier is provided with a plurality of slice images which are arranged according to a projection time sequence and are distributed along the axial center circumference; the fixed carrier is also provided with a lens module and a light path control component, and the lens module comprises a plurality of lenses for magnifying and imaging the slice image; the light path control component is arranged on the light path of the parallel light emitted by the light source module, so that the light emitted by the light source module can pass through the slice image, then pass through the lens module and finally reach the projection screen.
Description
Technical Field
The utility model relates to a body three-dimensional display technical field especially relates to a body three-dimensional display device who conveniently sets up.
Background
Volumetric three-dimensional stereoscopic display is a stereoscopic display technique based on which a three-dimensional image having a physical depth of field can be directly observed. The currently common volumetric three-dimensional displays are mostly used for displaying showcases. The stereo display system is generally a quadrangular pyramid formed by four static special spectroscopes, each spectroscope faces a display device, each display device outputs each picture information of an object to be displayed respectively and transmits the picture information to the corresponding spectroscope, the spectroscope reflects the light of each spectroscope back to human eyes, and the picture is synthesized to form a suspended stereo display. The display device is a projector for projecting and displaying a picture onto the corresponding beam splitter.
Since the three-dimensional image actually seen by the human eye at the beam splitter is actually a two-dimensional image displayed by the display device, when the human looks around the three-dimensional image, only four-angle pictures corresponding to the four beam splitters can be actually seen; when the display is used for product display, more details of the product cannot be observed, so the display still has poor effect in practical exhibition application. A volumetric three-dimensional display apparatus of publication No. CN110364096A provides an apparatus and an imaging method that can display a fine volumetric three-dimensional image, but has problems of inconvenient structural construction and large limitations.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a conveniently set up three-dimensional display device of body can solve the inconvenient problem of current three-dimensional display device structure building.
The technical scheme of the utility model is realized like this:
a conveniently arranged three-dimensional display device comprises a fixed carrier, wherein a rotating mechanism and an image source carrier are arranged on the fixed carrier; the rotating mechanism is provided with a projection screen and a light source module, and the rotating mechanism drives the projection screen to rotate around an axis; the light source module comprises two parallel light source groups which are respectively arranged at two sides of the projection screen, and the light source module and the projection screen rotate synchronously; the image source carrier is provided with a plurality of slice images which are arranged according to a projection time sequence and are distributed along the axial center circumference; the fixed carrier is also provided with a lens module and a light path control component, and the lens module comprises a plurality of lenses for magnifying and imaging the slice image; the light path control component is arranged on the light path of the parallel light emitted by the light source module, so that the light emitted by the light source module can pass through the slice image, then pass through the lens module and finally reach the projection screen.
As a further alternative of the conveniently-arranged volumetric three-dimensional display device, the slice image is horizontally arranged on the fixed carrier, and the slice image is lower than the height of the light source module.
As a further alternative of the conveniently-arranged volumetric three-dimensional display device, the light path controlling member comprises a first reflective ring, a second reflective ring, a third reflective ring and a fourth reflective ring; the first reflecting ring receives the parallel light emitted from the light source module and reflects the parallel light onto the second reflecting ring; the second reflective ring reflects parallel light onto the third reflective ring, which reflects parallel light onto the slice image; after the parallel light passes through the slice image and the lens module, the parallel light is reflected to the projection screen through the fourth reflection ring.
As a further alternative of the conveniently-arranged three-dimensional display device, the slice image is vertically arranged on the fixed carrier, and the slice image is flush with the height of the light source module.
As a further alternative of the conveniently-arranged volumetric three-dimensional display device, the light path control member includes a first reflective ring that receives the parallel light emitted from the light source module and reflects the parallel light onto the projection screen.
As a further alternative of the conveniently-arranged three-dimensional display device, the plurality of slice images on the image source carrier enclose a circular ring, and two groups of the parallel light source groups respectively emit a beam of parallel light.
As a further alternative to the conveniently arranged volumetric three-dimensional display device, the plurality of slice images on the image source carrier enclose a plurality of concentric rings; the two groups of parallel light source groups respectively emit a plurality of beams of parallel light; the plurality of parallel light beams correspond to the plurality of concentric rings.
As a further alternative of the conveniently arranged volumetric three-dimensional display device, a light-shielding grid is arranged between the image source carrier and the lens module, and the light-shielding grid is provided with light-transmitting holes corresponding to the slice images so as to ensure that the parallel light only illuminates the corresponding slice images.
The beneficial effects of the utility model are that: the structure of the three-dimensional display device is simplified, the light path of parallel light is changed through the light path control component, so that the position structure relationship among the light source module, the image source carrier and the projection screen is more diversified, the image source carrier is arranged below the projection screen, and the structure is particularly suitable for open-air application scenes or display scenes on a high platform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a conveniently arranged volumetric three-dimensional display device according to a first embodiment;
fig. 2 is a schematic structural diagram of a conveniently arranged volumetric three-dimensional display device according to a second embodiment;
FIG. 3 is a schematic view of the slice images enclosing a circular ring;
FIG. 4 is a schematic structural diagram of the slice image, the shading grid and the lens module;
FIG. 5 is a schematic top view of the light source module and the projection screen assembly.
In the figure: 1. fixing a carrier; 2. a rotation mechanism; 3. a light source module; 4. a projection screen; 5. an image source carrier; 51. slicing the image; 6. an optical path control member; 61. a first reflective ring; 62. a second reflective ring; 63. a third reflective ring; 64. a fourth reflective ring; 7. a lens module; 8. and (6) shading grids.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-5, the present invention provides a conveniently arranged three-dimensional display device, which comprises a fixed carrier 1, wherein the fixed carrier 1 is provided with a rotating mechanism 2 and an image source carrier 5; a projection screen 4 and a light source module 3 are arranged on the rotating mechanism 2, and the rotating mechanism 2 drives the projection screen 4 to rotate around an axis; the light source module 3 comprises two parallel light source groups which are respectively arranged at two sides of the projection screen 4, and the light source module 3 and the projection screen 4 rotate synchronously; the image source carrier 5 is provided with a plurality of slice images 51 which are arranged according to a projection time sequence and are distributed along the axial center circumference; the fixed carrier 1 is also provided with a lens module 7 and a light path control component 6, wherein the lens module 7 comprises a plurality of lenses for magnifying the slice image 51; the optical path control member 6 is disposed on a light path of the parallel light emitted from the light source module 3, so that the light emitted from the light source module 3 can pass through the slice image 51, then pass through the lens module 7, and finally reach the projection screen 4.
In brief, the light source module 3 and the projection screen 4 rotate synchronously, the slice images 51 are fixed in position, and the light source module 3 in the rotating state emits parallel light to sequentially illuminate each slice image 51 and projects the parallel light onto the rotating projection screen 4 to form a three-dimensional image. The structure of the three-dimensional display device is simplified, in addition, the light path of parallel light is changed through the light path control component 6, so that the position structure relationship among the light source module 3, the image source carrier 5 and the projection screen 4 is more diversified, the image source carrier 5 is arranged below the projection screen 4, and the structure is particularly suitable for outdoor application scenes or display scenes on high platforms.
The image source carrier 5, the light source module 3 and the lens module 7 can refer to an editing and projecting device of a slice image 51 with the publication number of CN208367347U, and the imaging principle of forming a three-dimensional image by using the slice image 51 can refer to a three-dimensional display device with the publication number of CN 110364096A; and will not be described in detail herein.
In addition, regarding the arrangement mode of the slice images 51 on the image source carrier 5, the included angles of the connecting lines of the shortest distance between the center points of every two adjacent slice images 51 according to the projection time sequence and the axes are equal. In one case, as shown in fig. 3, the plurality of slice images 51 on the image source carrier 5 enclose a circular ring, and correspondingly, two groups of the parallel light source groups emit a beam of parallel light respectively; there is also a case where, in order to make reasonable use of the space on the image source carrier 5, the plurality of slice images 51 on the image source carrier 5 enclose a plurality of concentric rings, and correspondingly, the plurality of concentric rings correspond to the plurality of parallel lights; it should be noted that the projection principle of the distribution mode in which the plurality of slice images 51 enclose the plurality of concentric circles is disclosed in a three-dimensional display device with a volume under the publication number CN110364096A, and therefore, the description thereof is omitted.
In the above scheme, a shading grid 8 is arranged between the image source carrier 5 and the lens module 7, and the shading grid 8 is provided with light holes corresponding to the slice images 51 to ensure that the parallel light only illuminates the corresponding slice images 51. Furthermore, the image source carrier 5 may be a film, an LCD display screen or an LCD projection chip or the like. The rotating mechanism 2 may be a conventional rotating mechanism, and a rotating mechanism in a single-body three-dimensional display device disclosed in CN110364096A may be referred to.
Several embodiments of the light path control member 6 are provided below.
Example one
Referring to fig. 1, the slice image 51 is horizontally disposed on the fixed carrier 1, the image source carrier 5 is an LCD display screen, and the slice image 51 is lower than the light source module 3; the light path control member 6 includes a first reflection ring 61, a second reflection ring 62, a third reflection ring 63, and a fourth reflection ring 64; the first reflective ring 61 receives the parallel light emitted from the light source module 3 and reflects the parallel light onto the second reflective ring 62; the second reflective ring 62 reflects the parallel light onto the third reflective ring 63, and the third reflective ring 63 reflects the parallel light onto the slice image 51; after passing through the sliced image 51 and the lens module 7, the parallel light is reflected onto the projection screen 4 via the fourth reflective ring 64.
Example two
Referring to fig. 2, the slice image 51 is vertically disposed on the fixed carrier 1, the image source carrier 5 is a film, and the slice image 51 is flush with the height of the light source module 3. The light path control member 6 includes a first reflective ring 61, and the first reflective ring 61 receives the parallel light emitted from the light source module 3 and reflects the parallel light onto the projection screen 4.
The first reflective ring 61, the second reflective ring 62, the third reflective ring 63, and the fourth reflective ring 64 are all annular reflectors.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A conveniently arranged three-dimensional display device is characterized by comprising a fixed carrier, wherein a rotating mechanism and an image source carrier are arranged on the fixed carrier; the rotating mechanism is provided with a projection screen and a light source module, and the rotating mechanism drives the projection screen to rotate around an axis; the light source module comprises two parallel light source groups which are respectively arranged at two sides of the projection screen, and the light source module and the projection screen rotate synchronously; the image source carrier is provided with a plurality of slice images which are arranged according to a projection time sequence and are distributed along the axial center circumference; the fixed carrier is also provided with a lens module and a light path control component, and the lens module comprises a plurality of lenses for magnifying and imaging the slice image; the light path control component is arranged on the light path of the parallel light emitted by the light source module, so that the light emitted by the light source module can pass through the slice image, then pass through the lens module and finally reach the projection screen.
2. The conveniently arranged volumetric three-dimensional display device according to claim 1, wherein said slice image is horizontally arranged on said fixed carrier, and said slice image is lower than the height of said light source module.
3. A conveniently arranged volumetric three dimensional display device according to claim 2 wherein said light path controlling means comprises a first reflective ring, a second reflective ring, a third reflective ring and a fourth reflective ring; the first reflecting ring receives the parallel light emitted from the light source module and reflects the parallel light onto the second reflecting ring; the second reflective ring reflects parallel light onto the third reflective ring, which reflects parallel light onto the slice image; after the parallel light passes through the slice image and the lens module, the parallel light is reflected to the projection screen through the fourth reflection ring.
4. The conveniently arranged volumetric three-dimensional display device according to claim 1, wherein the slice image is vertically arranged on the fixing carrier, and the slice image is flush with the height of the light source module.
5. The portable volumetric three-dimensional display device according to claim 4, wherein the light path control member comprises a first reflective ring, the first reflective ring receiving the parallel light emitted from the light source module and reflecting the parallel light onto the projection screen.
6. A conveniently arranged volumetric three-dimensional display device according to any of claims 1-5, wherein said plurality of slice images on said image source carrier enclose a circular ring, and two sets of said parallel light sources respectively emit a beam of parallel light.
7. A conveniently arranged volumetric three dimensional display device according to any of claims 1 to 5 wherein said plurality of slice images on said image source carrier enclose a plurality of concentric circles; the two groups of parallel light source groups respectively emit a plurality of beams of parallel light; the plurality of parallel light beams correspond to the plurality of concentric rings.
8. A conveniently arranged volumetric three dimensional display device according to any of claims 1 to 5 wherein a light blocking grid is provided between said image source carrier and said lens module, said light blocking grid being provided with light transmitting apertures corresponding to said slice images to ensure that collimated light illuminates only the corresponding slice image.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855933.3U CN210573041U (en) | 2019-10-31 | 2019-10-31 | Three-dimensional display device of body that conveniently sets up |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921855933.3U CN210573041U (en) | 2019-10-31 | 2019-10-31 | Three-dimensional display device of body that conveniently sets up |
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| CN210573041U true CN210573041U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068327A (en) * | 2020-09-29 | 2020-12-11 | 雷文昌 | Holographic projector rotating according to central axis and pixel arrangement mode thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068327A (en) * | 2020-09-29 | 2020-12-11 | 雷文昌 | Holographic projector rotating according to central axis and pixel arrangement mode thereof |
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