CN108766315A - The projection control device and its method of dual-projection three-dimensional imaging digital sand table - Google Patents
The projection control device and its method of dual-projection three-dimensional imaging digital sand table Download PDFInfo
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- CN108766315A CN108766315A CN201810895366.8A CN201810895366A CN108766315A CN 108766315 A CN108766315 A CN 108766315A CN 201810895366 A CN201810895366 A CN 201810895366A CN 108766315 A CN108766315 A CN 108766315A
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- projection
- laser projector
- sand table
- sound box
- accommodating cavity
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- 239000004576 sand Substances 0.000 title claims abstract description 43
- 238000003384 imaging method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000000007 visual effect Effects 0.000 claims abstract description 12
- 230000005236 sound signal Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000009191 jumping Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
Abstract
The invention discloses a kind of projection control device of dual-projection three-dimensional imaging digital sand table and its methods, three laminates that the equipment includes babinet and is mounted on from the bottom to top in babinet, are separated by rear box by three laminates and form four layers of receiving cavity from the bottom to top；Controlling machine box are installed, and the bottom end of the receiving cavity is equipped with the lower fan for sucking air in first receiving cavity；First laser projector is installed, the left side in third receiving cavity is equipped with plain color and always advises sand table, and the right side in the third receiving cavity is equipped with holographic phantom imaging glass in the second receiving cavity；Upper fan for hot gas to be discharged and second laser projector are installed in the 4th receiving cavity；First look displaying is always advised on sand table and formed in the perspective plane of the first laser projector in plain color, and the projection surface of the second laser projector on holographic phantom imaging glass and forms the second visual presence.
Description
Technical Field
The invention relates to the technical field of sand table models, in particular to projection control equipment and a projection control method for a double-projection three-dimensional imaging digital sand table.
Background
At present, the application of a multimedia projector in a model sand table on the sand table mainly comprises a front projection A and a rear projection B, wherein the front projection A is mainly used in multimedia model display, and is used for video propaganda on a projection wall and a curtain in common, and is also used as a projection object surface on the model sand table, so that the display effect of projecting dynamic vehicles and ships on a model road and on water is achieved. In addition, a display frame can be projected, namely, a certain area on the model is highlighted in a flowing frame selection mode, and the like. The shadow of objects such as a plurality of buildings and the like is obvious and the projector is difficult to hide, so that the shadow is not new and is not fresh. The rear projection B is that the projector projects to the audience from the back. One is that a water atomization mechanism is additionally arranged, and after the projector is started, a hazy virtual voice interactive robot appears as a screen along with the spraying of water mist; the other is a real screen as a projection surface, standing between the viewer and the projector, but other than hiding the projector and presenting a large display surface, like a television set is not particularly so.
The three-dimensional imaging digital sand table is skillfully designed and combined in the modes of A and B, so that a projector is hidden in place, shadows of special objects such as various buildings are difficult to distinguish by virtue of holographic phantom imaging glass, such as shadows under the oblique sun, and the problem of front projection is solved. After the holographic phantom imaging glass is added in the B rear projection mode, the spatial stereoscopic impression is enhanced, and then the A front projection is matched to jump in the virtual and real space interaction, so that various special shows can be completed.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides projection control equipment and a projection control method for a double-projection three-dimensional imaging digital sand table.
In order to achieve the purpose, the invention provides projection control equipment of a double-projection three-dimensional imaging digital sand table, which comprises a box body and three laminates arranged in the box body from bottom to top, wherein four layers of accommodating cavities are formed in the box body from bottom to top after the three laminates are separated; a control cabinet is arranged in the first accommodating cavity, and a lower fan for sucking air is arranged at the bottom end of the accommodating cavity; a first laser projector is arranged in the second accommodating cavity, a plain color master sand table is arranged on the left side in the third accommodating cavity, and holographic phantom imaging glass is arranged on the right side in the third accommodating cavity; an upper fan and a second laser projector for discharging hot air are arranged in the fourth accommodating cavity; the projection surface of the first laser projector is arranged on the plain color master sand table and forms a first visual display, and the projection surface of the second laser projector is arranged on the holographic phantom imaging glass and forms a second visual display.
The first layer plate between the first accommodating cavity and the second accommodating cavity is provided with a plurality of vent holes, and the two cavities are communicated with each other through the vent holes up and down.
And the second layer plate and the third layer plate are provided with light holes for yielding by laser projection.
The control cabinet comprises a central control host, two computer hosts and a sound box power amplifier; the control terminal is wirelessly connected with the router, the router is connected with the central control host through a network cable, two ends of the central control host are connected with the corresponding computer host through a power-on/off signal line and an RS232 line, and the sound box power amplifier is connected to the corresponding computer host through the corresponding audio line; and the sound box power amplifier is respectively connected with a left sound box and a right sound box which are arranged in the fourth accommodating cavity.
The central control host is respectively connected to a first laser projector and a second laser projector, and the first laser projector and the second laser projector are both connected to corresponding computer hosts through high-definition video signal lines; converting the command signal into a wired signal through the router, transmitting the wired signal to the central control host, and then sending an allocation execution signal to the computer host, the first laser projector, the second laser projector, the upper fan and the lower fan for starting and starting through the internal program operation of the central control host; after the computer host is started, videos are output, two paths of signals are output, one path of signals is sent to a first laser projector and a second laser projector through an HDMI high-definition video signal line, and the videos are projected in a projection mode; and the two paths of sound signals are provided to a sound public amplifier through audio signals, and then are provided to a left sound box and a right sound box through a sound box power amplifier for playing.
Wherein, the bottom of box is provided with whole location fixing device.
The integral positioning and fixing device comprises a plurality of universal movable wheels and a plurality of adjusting and fixing foot cups, and each universal movable wheel is arranged at the bottom of the box body through the corresponding adjusting and fixing foot cup.
In order to achieve the purpose, the invention also discloses a control method of the projection control equipment of the double-projection three-dimensional imaging digital sand table, wherein a command signal is converted from a wireless signal into a wired signal through a router by a control terminal and is sent to a central control host; then, distributing execution signals are sent to the computer host, the first laser projector, the second laser projector, the upper fan and the lower fan for starting and starting through the internal program operation of the central control host; after the computer host is started, playing the set video according to a program and outputting two paths of signals; one path of the video is sent to a first laser projector and a second laser projector by an HDMI high-definition video signal line, and a video is projected in a projection mode; and the two paths of the sound boxes are provided to a sound box public amplifier by audio signals and are provided to a left sound box and a right sound box through a sound box power amplifier to be played.
The invention has the beneficial effects that: compared with the prior art, the projection control equipment and the projection control method for the double-projection three-dimensional imaging digital sand table have the advantages that the projection surface of the first laser projector is arranged on the plain color master sand table to form a first visual display; and a second visual display formed by a projection surface of a second laser projector on the holographic phantom imaging glass is added, and the using and displaying effects can be achieved only by adopting a high-brightness high-definition high-performance laser projector 5500 lumens. The improvement of the equipment enables audio to be played by sound, video signals are projected by the laser projectors, the plain color master sand table and the holographic phantom imaging device are respectively projection surfaces of the first laser projector and the second laser projector, and the two projection images show the switching alternation and superposition of one projection image and two projection images simultaneously, so that the display effect of the space jumping sense is embodied.
Drawings
FIG. 1 is an external view of a projection control apparatus according to the present invention;
FIG. 2 is a diagram of a control system in the present invention;
FIG. 3 is a left side sectional view of FIG. 1 of the present invention.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, the projection control device of the double-projection three-dimensional imaging digital sand table provided by the invention comprises a box body 10 and three laminates arranged in the box body from bottom to top, wherein four layers of accommodating cavities are formed in the box body from bottom to top after the three laminates are separated; a control cabinet is arranged in the first accommodating cavity 11, and a lower fan 12 for sucking air is arranged at the bottom end of the accommodating cavity; a first laser projector 14 is arranged in the second accommodating cavity 13, a plain general sand table 16 is arranged on the left side in the third accommodating cavity 15, and holographic phantom imaging glass 17 is arranged on the right side in the third accommodating cavity 30; an upper fan 18 and a second laser projector 19 for discharging hot air are arranged in the fourth accommodating cavity; the plain color master sand table of the first laser projector is provided with a first visual display, and the projection surface of the second laser projector is arranged on the holographic phantom imaging glass and is provided with a second visual display.
In this embodiment, a plurality of vent holes are disposed on the first layer plate 20 between the first accommodating cavity 11 and the second accommodating cavity 13, and the two cavities are communicated with each other through the vent holes. The second layer plate 21 and the third layer plate 22 are provided with light holes for laser projection yielding.
In this embodiment, the control cabinet includes a central control host 23, two computer hosts 24, and a sound box power amplifier 25; the control terminal 26 is wirelessly connected with the router 27, the router is connected with the central control host through a network cable, two ends of the central control host are connected with the corresponding computer host through a power on/off signal line and an RS232 line, and the sound box power amplifier is connected to the corresponding computer host through a corresponding audio line; and the sound box power amplifiers are respectively connected with a left sound box 28 and a right sound box 29 which are arranged in the fourth accommodating cavity. The control terminal 26 may be a tablet computer or a mobile phone.
In this embodiment, the central control host is connected to the first laser projector and the second laser projector respectively, and the first laser projector and the second laser projector are both connected to the corresponding computer host through high definition video signal HDMI cables; converting the command signal into a wired signal through the router, transmitting the wired signal to the central control host, and then sending an allocation execution signal to the computer host, the first laser projector, the second laser projector, the upper fan and the lower fan for starting and starting through the internal program operation of the central control host; after the computer host is started, videos are output, two paths of signals are output, one path of signals is sent to a first laser projector and a second laser projector through an HDMI high-definition video signal line, and the videos are projected in a projection mode; and the two paths of sound signals are provided to a sound public amplifier through audio signals, and then are provided to a left sound box and a right sound box through a sound box power amplifier for playing.
In this embodiment, the bottom of the housing 10 is provided with an integral locating fixture 30. The integral positioning and fixing device comprises a plurality of universal movable wheels 31 and a plurality of adjusting and fixing foot cups 32, and each universal movable wheel is arranged at the bottom of the box body through the corresponding adjusting and fixing foot cup.
In order to achieve the purpose, the invention also discloses a control method of the projection control equipment of the double-projection three-dimensional imaging digital sand table, wherein a command signal is converted from a wireless signal into a wired signal through a router by a control terminal and is sent to a central control host; then, distributing execution signals are sent to the computer host, the first laser projector, the second laser projector, the upper fan and the lower fan for starting and starting through the internal program operation of the central control host; after the computer host is started, playing the set video according to a program and outputting two paths of signals; one path of the video is sent to a first laser projector and a second laser projector by an HDMI high-definition video signal line, and a video is projected in a projection mode; and the two paths of the sound boxes are provided to a sound box public amplifier by audio signals and are provided to a left sound box and a right sound box through a sound box power amplifier to be played.
Compared with the prior art, the projection surface of the first laser projector is arranged on the plain color master sand table to form a first visual display; and a second visual display formed by a projection surface of a second laser projector on the holographic phantom imaging glass is added, and the using and displaying effects can be achieved only by adopting a high-brightness high-definition high-performance laser projector 5500 lumens. The improvement of the equipment enables audio to be played by sound, video signals are projected by the laser projectors, the plain color master sand table and the holographic phantom imaging device are respectively projection surfaces of the first laser projector and the second laser projector, and the two projection images show the switching alternation and superposition of one projection image and two projection images simultaneously, so that the display effect of the space jumping sense is embodied.
The invention discloses a projection mode and a control method of a movable double-projection three-dimensional imaging digital sand table, relates to exhibition and display equipment of a multimedia model in the model industry, and is used for exhibition and display halls, experience halls, media and the like.
The invention is characterized in that figures 1, 2 and 3 in the following figures are checked, and the system comprises an integral positioning and fixing device, an upper computer host, a lower computer host, a left sound box, a right sound box, a plain color master sand table and a holographic phantom imaging device from appearance design to system control diagram to final effect display, wherein a control source is a touch panel and a control terminal in the figure 2, the touch panel and the control terminal can be in communication connection with the central control host, and a laser projector and the sound box are in communication connection to output audio signals and video signals. Finally, audio is played by sound, video signals are projected by a projector, the plain color master sand table and the holographic phantom imaging device are respectively projection surfaces of a first laser projector and a second projector, a projection image of the first laser projector and a projection image of the second laser projector display one of the projection images and simultaneously display switching alternation and superposition generated by the two projection images, and a new bright spot representing the sense of spatial jumping is a novel display effect achieved by the invention.
Appearance design as follows figure 1 elevation axonometric drawing is the whole outward appearance display picture of this product, and the appearance is like a super flat board, and whole location fixing device is equipped with to the bottom, and universal movable wheel 31 and a plurality of fixed foot cup 32 of regulation can reach 360 degrees four sides rotation and all direction movement show, can steadily stand on various ground again.
The internal control system is shown as a control system diagram in fig. 2, and comprises a touch panel and two control terminals, wherein a command signal is converted from a wireless signal into a wired signal through a router and is sent to a central control host, and then an allocation execution signal is sent to a computer, a projector, a heat dissipation device and the like through the operation of an internal program of the central control host to start and start. After the computer is started, the set video is played according to a program, two paths of signals are output, one path of signals is sent to the laser projector through an HDMI high-definition video signal line, and the video is projected in a projection mode. The two paths of the audio signals are given to the sound public playing device through the audio signal, and then are given to the sound playing device through the audio line.
The cross-sectional structure diagram of the left view in Figure 3 below shows the internal structure and components. It is divided into four layers and four layers are connected from the bottom to the top. The first and the second two containment chambers are connected up and down with multiple vents, the second and the third The accommodating cavity and the third and fourth accommodating cavities present the mouth-shaped edge layer board to support and fix the space in the middle of the mouth-shaped for laser projection. The overall heat dissipation passes through the filter screen and the lower fan in the first accommodating cavity sucks in air, and the fan in the fourth accommodating cavity discharges hot air. The first containing cavity is the main control cabinet, which has a central control host, two computer hosts, and an audio amplifier. The laser projector in the present invention adopts a high-brightness, high-definition, high-performance laser projector with 5500 lumens to achieve the use and display effect. The plain master sand table is to use the current 3D printing technology to print the desired shape of the sand table model into a nearly white sand table model suitable for projection. The first vision is to integrate the solid master sand table model into a rich virtual projection. The animation video content of the company is introduced with beautiful vocal music. For example, the poor ridge land is instantly covered with mountains, forests, lakes and streams, surrounding the prosperous city in the alternation of day and night, making the monotonous plain sand table come alive in a three-dimensional space. The second vision combines the model of the first vision with the virtual reality of the animation, and adds an independent flat projection display interface and the first vision curved projection display interface. Their switching and blending reflect each other, and a sense of space jumping between virtual and real is fully displayed. , A new audiovisual sensation with great visual impact and unknowingly emerges. This is the highlight of this show and the core focus of the show. The display effect cannot be achieved with simple projection products.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. The projection control equipment of the double-projection three-dimensional imaging digital sand table is characterized by comprising a box body and three laminates arranged in the box body from bottom to top, wherein four layers of accommodating cavities are formed in the box body from bottom to top after the three laminates are separated; a control cabinet is arranged in the first accommodating cavity, and a lower fan for sucking air is arranged at the bottom end of the accommodating cavity; a first laser projector is arranged in the second accommodating cavity, a plain color master sand table is arranged on the left side in the third accommodating cavity, and holographic phantom imaging glass is arranged on the right side in the third accommodating cavity; an upper fan and a second laser projector for discharging hot air are arranged in the fourth accommodating cavity; the projection surface of the first laser projector is arranged on the plain color master sand table and forms a first visual display, and the projection surface of the second laser projector is arranged on the holographic phantom imaging glass and forms a second visual display.
2. The projection control equipment of the double-projection three-dimensional stereoscopic imaging digital sand table as claimed in claim 1, wherein a plurality of vent holes are arranged on the first layer plate between the first accommodating cavity and the second accommodating cavity, and the two cavities are communicated up and down through the plurality of vent holes.
3. The projection control equipment of the double-projection three-dimensional imaging digital sand table according to claim 1, wherein the second layer plate and the third layer plate are both provided with light holes for laser projection yielding.
4. The projection control equipment of the double-projection three-dimensional imaging digital sand table as claimed in claim 1, wherein the control cabinet comprises a central control host, two computer hosts and a sound box power amplifier; the control terminal is wirelessly connected with the router, the router is connected with the central control host through a network cable, two ends of the central control host are connected with the corresponding computer host through a power-on/off signal line and an RS232 line, and the sound box power amplifier is connected to the corresponding computer host through the corresponding audio line; and the sound box power amplifier is respectively connected with a left sound box and a right sound box which are arranged in the fourth accommodating cavity.
5. The projection control device of the double-projection three-dimensional stereoscopic imaging digital sand table as claimed in claim 4, wherein the central control host is connected to the first laser projector and the second laser projector respectively, and the first laser projector and the second laser projector are connected to the corresponding computer host through high-definition video signal lines; converting the command signal into a wired signal through the router, transmitting the wired signal to the central control host, and then sending an allocation execution signal to the computer host, the first laser projector, the second laser projector, the upper fan and the lower fan for starting and starting through the internal program operation of the central control host; after the computer host is started, videos are output, two paths of signals are output, one path of signals is sent to a first laser projector and a second laser projector through an HDMI high-definition video signal line, and the videos are projected in a projection mode; and the two paths of sound signals are provided to a sound public amplifier through audio signals, and then are provided to a left sound box and a right sound box through a sound box power amplifier for playing.
6. The projection control equipment of the double-projection three-dimensional imaging digital sand table as claimed in claim 1, wherein the bottom of the box body is provided with an integral positioning and fixing device.
7. The projection control equipment of the double-projection three-dimensional imaging digital sand table as claimed in claim 6, wherein the integral positioning and fixing device comprises a plurality of universal movable wheels and a plurality of adjusting and fixing foot cups, and each universal movable wheel is installed at the bottom of the box body through the corresponding adjusting and fixing foot cup.
8. A control method of projection control equipment of a double-projection three-dimensional imaging digital sand table is characterized in that a command signal is converted into a wired signal through a router by a control terminal, and the wired signal is sent to a central control host; then, distributing execution signals are sent to the computer host, the first laser projector, the second laser projector, the upper fan and the lower fan for starting and starting through the internal program operation of the central control host; after the computer host is started, playing the set video according to a program and outputting two paths of signals; one path of the video is sent to a first laser projector and a second laser projector by an HDMI high-definition video signal line, and a video is projected in a projection mode; and the two paths of the sound boxes are provided to a sound box public amplifier by audio signals and are provided to a left sound box and a right sound box through a sound box power amplifier to be played.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810895366.8A CN108766315A (en) | 2018-08-08 | 2018-08-08 | The projection control device and its method of dual-projection three-dimensional imaging digital sand table |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810895366.8A CN108766315A (en) | 2018-08-08 | 2018-08-08 | The projection control device and its method of dual-projection three-dimensional imaging digital sand table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347011A (en) * | 2019-07-15 | 2019-10-18 | 郑州轻工业学院 | A kind of video display animation Special stereoscopic phantom imaging equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110347011A (en) * | 2019-07-15 | 2019-10-18 | 郑州轻工业学院 | A kind of video display animation Special stereoscopic phantom imaging equipment |
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