CN215181378U - Visible light projection system - Google Patents
Visible light projection system Download PDFInfo
- Publication number
- CN215181378U CN215181378U CN202120907734.3U CN202120907734U CN215181378U CN 215181378 U CN215181378 U CN 215181378U CN 202120907734 U CN202120907734 U CN 202120907734U CN 215181378 U CN215181378 U CN 215181378U
- Authority
- CN
- China
- Prior art keywords
- projection
- screen
- image
- light beams
- projected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The application discloses visible light projection system includes: each projection device is provided with an LED light source unit and receives the visible light beams emitted by the corresponding LED light source unit and projects corresponding sub-image light beams; the atomization screen receives the plurality of sub-image light beams projected by the plurality of projection devices and reflects the sub-image light beams to form a three-dimensional space stereo image; the portable control end is contacted with the light beam reflected by the atomization screen to generate an electric signal; the terminal device is connected with the plurality of projection devices and the portable control end, the portable control end sends the electric signal to the terminal device to control the projected screen of the terminal device, and the plurality of projection devices project the projected screen of the terminal device. The interactive display of the projection image can be realized.
Description
Technical Field
The application relates to the technical field of three-dimensional projection, in particular to a visible light projection system.
Background
The holographic projection virtual imaging technology is a technology for recording and reproducing a real three-dimensional image of an object by utilizing the interference and diffraction principles, wherein an atomization screen (fog screen for short) is utilized to generate the existence similar to a projection screen, and the fog screen is a brand-new air imaging device and is used for displaying a light image in the air by utilizing the imaging principle of mirage. The working principle is that a large amount of artificial fog is generated by using atomization equipment, and a screen which can form plane fog is manufactured by combining the air flow principle. The plane characteristic of the atomization screen is used as an optical path carrier. The image projected by the projector can form an illusive stereoscopic image in space on the optical path carrier, so that a three-dimensional space stereoscopic image is formed, and a new stereoscopic vision enjoyment is brought to people. The projection imaging system can be directly touched and can pass through.
However, the stereoscopic image projected by the holographic projection virtual imaging cannot realize interactive display of the projected image.
SUMMERY OF THE UTILITY MODEL
An object of an embodiment of the present application is to provide a visible light projection system, so as to solve a problem that an existing projection technology cannot achieve interactive display of a projected stereoscopic image.
In order to solve the above technical problem, the present specification is implemented as follows:
in a first aspect, a visible light projection system is provided, comprising: each projection device is provided with an LED light source unit and receives the visible light beams emitted by the corresponding LED light source unit and projects corresponding sub-image light beams; the atomization screen receives the plurality of sub-image light beams projected by the plurality of projection devices and reflects the sub-image light beams to form a three-dimensional space stereo image; the portable control end is contacted with the light beam reflected by the atomization screen to generate an electric signal; the terminal device is connected with the plurality of projection devices and the portable control end, the portable control end sends the electric signal to the terminal device to control the projected screen of the terminal device, and the plurality of projection devices project the projected screen of the terminal device.
Optionally, the projection apparatus includes: the plane mirrors are respectively arranged around the atomization screen, and are used for receiving the visible light beams emitted by the LED light source units and converging the visible light beams to obtain a gathered light beam; and the beam expanding lens is arranged on two sides of the atomization screen corresponding to the position of the plane mirror, receives the collected light beams, distributes the collected light beams and outputs the collected light beams to the atomization screen.
Optionally, the portable control end receives a part of the light beam reflected by the atomization screen and converts the part of the light beam into a position signal of a contact point of the received light beam; and the terminal equipment receives the position signal sent by the portable control terminal and controls a projected screen of the terminal equipment to display an image corresponding to the position signal.
Optionally, the portable control end operates a part of the light beam reflected by the atomization screen to obtain a position movement signal of the light beam contact point pair, and converts the position movement signal into a command signal to be sent; and the terminal equipment receives the control signal sent by the portable control terminal and controls the projected screen of the terminal equipment so as to control the sub-image light beams projected onto the atomization screen by the corresponding projection equipment.
Optionally, the portable control end is a wearable finger stall or an operating handle.
Optionally, the projected screen of the terminal device includes a plurality of sub-projection screens, and the sub-image light beams projected by one projection device match the picture displayed by one sub-projection screen.
Optionally, the projection device is a small LED projector.
Optionally, a plurality of small LED projectors are arranged in a matrix above the space where the three-dimensional stereoscopic image is located.
Optionally, the LED light source units form a light source matrix, and each LED light source unit in the light source matrix corresponds to a part of image position mapping of the three-dimensional spatial stereo image.
In the embodiment of the application, the visible light projection system comprises a plurality of projection devices, each projection device is provided with an LED light source unit, and each projection device receives a visible light beam emitted by a corresponding LED light source unit and projects a corresponding sub-image light beam; the atomization screen receives the plurality of sub-image light beams projected by the plurality of projection devices and reflects the sub-image light beams to form a three-dimensional space stereo image; the portable control end is contacted with the light beam reflected by the atomization screen to generate an electric signal; the terminal device is connected with the plurality of projection devices and the portable control end, the portable control end sends the electric signal to the terminal device to control the projected screen of the terminal device, and the plurality of projection devices project the projected screen of the terminal device. Therefore, interactive display of the fog screen stereoscopic projection image can be realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a visible light projection system according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a visible light projection system according to a first embodiment of the present application.
Fig. 3 is a schematic diagram of a visible light projection system according to a second embodiment of the present application.
Fig. 4 is a schematic diagram illustrating an interaction principle between a portable control terminal and a terminal device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The reference numbers in the present application are only used for distinguishing the steps in the scheme and are not used for limiting the execution sequence of the steps, and the specific execution sequence is described in the specification.
In order to solve the problems in the prior art, an embodiment of the present application provides a visible light projection system, as shown in fig. 1, including a projection device 20, a fog screen (not shown in fig. 1), a portable control terminal 50, and a terminal device 60.
The projection device 20 comprises a plurality of projection devices 1,2, …, n, each having a respective LED light source unit, each projection device receiving a visible light beam from the corresponding LED light source unit and projecting a corresponding sub-image light beam. Each projection device corresponds to a part of the image projected by the terminal device 60, the projected image is correspondingly divided into a plurality of sub-images with the same number as the projection devices according to the corresponding position coordinates of the projected image, and the position coordinates of one sub-image correspond to the mapping of one projection device.
And one LED light source unit is matched with one projection device to project the sub-image part correspondingly projected by the projection device. Thus, each LED light source unit corresponds to a position map of the corresponding projected sub-image.
The fog screen receives the plurality of sub-image beams projected by the plurality of projection devices 20 and reflects the sub-image beams to form a three-dimensional stereo image, and each projection device 1,2, …, n projects a beam onto the fog screen to form a corresponding partial fog screen projection 1,2, …, n. The atomization screen is used as a light path carrier, receives light beams projected by each projection device by using the LED light source unit as a projection light source, collects each light beam and reflects the light beam to form a complete three-dimensional space stereo image corresponding to a projected image. The atomization screen itself forms a spatial matrix with spatial coordinates, so that the position of the portable control terminal 50 located in the space corresponds to the pixel point of each position of the atomization screen one by one.
Correspondingly, each LED light source unit also corresponds to the position mapping of the sub-stereo image projected corresponding to the atomization screen.
The LED light source unit is an LED light source based on visible light communication, in which three primary color beams of RGB formed of two or three kinds of semiconductors are used to achieve rapid change of light flicker. The rapid change of light mainly refers to the change of brightness of light, for example: the definition is 1 for light and 0 for dark. Thus delivering a series of 0,1 signals, i.e. light signals, by a light-to-dark conversion. A special diode RGB-LED is used, in which RGB three-color LED chips are packaged together and mixed to white light. Can be applied to a high-speed VLC system, and the high frequency can realize the rapid change of the image. LED light source unit has the function through visible light beam projection display image and utilizes the function of light signal transmission information to a plurality of LED light source units are regarded as sending end transmission many light beams to certain point, and take place the continuous signal of scintillation, from this, compare light location such as current infrared ray, and this application can realize accurate location with the help of LED visible light.
The portable control terminal 50 contacts with the light beam reflected by the atomization screen to generate an electric signal, the terminal device 60 is connected with the plurality of projection devices and the portable control terminal 50, the portable control terminal 50 sends the electric signal to the terminal device 60 to control the projected screen of the terminal device 60, and the plurality of projection devices 20 project the projected screen of the terminal device 60.
Referring now to FIG. 2, FIG. 2 is a schematic block diagram illustrating the operation of a visible light projection system according to a first embodiment of the present application. In one embodiment, the projection device is a small LED projector. As shown in fig. 2, the projection device 20 includes a plurality of small LED projectors arranged in a matrix disposed above a space in which a three-dimensional spatial stereoscopic image 40 is located. The light source corresponding to each projection device is an LED light source unit, and each LED light source unit corresponds to a position map of a part of the three-dimensional stereoscopic image formed by the atomization screen 30, that is, a corresponding sub-stereoscopic image.
In this embodiment, the projection device 20 is a holographic projection type projection apparatus, and as shown in fig. 2, includes a plane mirror 12 and a beam expander 14. The plane mirrors 12 are respectively arranged around the atomizing screen 30, and receive the visible light beams emitted by the plurality of LED light source units and converge to obtain a focused light beam. The beam expanding lens 14 is arranged at two sides of the atomization screen 30 corresponding to the position of the plane mirror 12, and receives the collected light beam emitted by the plane mirror 12 and distributes and outputs the collected light beam to the atomization screen 30. Thereby, a three-dimensional spatial stereo image 40 is formed.
Referring now to FIG. 3, FIG. 3 is a schematic diagram of a visible light projection system according to a second embodiment of the present application. As shown in the figure, the visible light projection system of the embodiment of the present application includes a portable control terminal 50 and a terminal device 60, which are used for implementing interactive display of the projected stereoscopic image 40.
In one embodiment, the portable control terminal 50 receives a part of the light beam reflected by the atomization screen and converts the part of the light beam into a position signal of a contact point of the received light beam, and the terminal device 60 receives the position signal sent by the portable control terminal 50 and controls the projected screen of the terminal device 60 to display an image corresponding to the position signal.
The portable control end 50 is a wearable finger stall or an operation handle, for example, an optical signal receiving module is implanted at a fingertip portion of the finger stall or a top end of the operation handle, and is used for contacting the atomized screen projection light beam and realizing positioning. For example, the position of a point irradiated by the intersection of two or more LED visible light beams is determined. The wearable fingerstall can be a plurality of independent fingerstalls corresponding to different fingers, and can also be a plurality of fingerstalls arranged on an integrated glove.
The projected screen of the terminal device 60 includes a plurality of sub-projection screens, and sub-image beams projected by one projection device match pictures displayed by one sub-projection screen.
Referring to the embodiment of fig. 4, the portable control terminal 50 is taken as an example of a plurality of independent wearable finger stalls, i.e., the portable control terminals 1,2,3 shown in fig. 4, each of which corresponds to one finger stall. When a user wears the finger cot to touch with the light at a certain position of the projected stereoscopic image, the portable control end can acquire the position of the light, so that the position of the contact point is accurately positioned, the position of the point corresponding to the LED light source unit can be determined, and the corresponding position of the point corresponding to the whole projected screen of the mobile terminal can be determined. The portable control terminal 50 sends the position information to the terminal device, so that the terminal device can acquire the position change condition of the user in real time, and can acquire corresponding information based on the position operation of the finger stall contact point and display the corresponding information on the projected screen. And matching the picture displayed by one sub-projection screen based on the sub-image light beams projected by the projection equipment, displaying the acquired information on the current projected screen of the terminal equipment and projecting by the corresponding projection equipment.
In the above embodiment, the portable control terminal 50 receives the light information, and the target is positioned by the different types of light beam information received at the position, and the terminal device determines the corresponding projected image according to the positioning information fed back by the portable control terminal, and performs projection imaging of the three-dimensional space stereoscopic image through the projection device and the atomization screen.
In another embodiment, the portable control terminal 50 operates the portion of the light beam reflected by the misting screen to obtain a position movement signal of the light beam contact pair, and converts the position movement signal into a control signal for transmission. The terminal device 60 receives the control signal sent by the portable control terminal 50 and controls the projected screen of the terminal device 60 to control the sub-image light beams projected onto the atomization screen by the corresponding projection device. Therefore, the terminal device can acquire the position change condition of the user in real time, and based on the position of the finger sleeve contact point, the user can perform a series of designated finger changes (similar to multi-finger use of a touch screen of a notebook computer), and corresponding control information is transmitted through mutual movement changes among the positions of a plurality of contact points or receiving points, so as to control the image displayed on the projected screen of the terminal device 60. And controlling the current projected screen display image of the terminal equipment according to the control information, and projecting by the corresponding projection equipment.
In the above embodiment, the portable control end may receive information emitted by the projected stereoscopic image light beam, and may also perform certain editing (the editing process may use wireless communication or other communication methods), so as to edit the projected image through the presentation of the holographic projection image. And drawing different images according to the rapid change of the LED light source visible light communication so as to realize the control and display of the image of the layer. And projecting the information in the form of an image and presenting the change of the image in a continuous mode to realize the change of the image. The portable control terminal is used for artificially interfering a part of image to change the whole projected image, thereby generating the influence on the whole situation.
The visible light projection system of the embodiment utilizes the image projected by the holographic projection technology of the atomization screen and the portable control end, and can realize man-machine interaction by utilizing the intercommunication between the projected three-dimensional image and the portable control end. Therefore, the real holographic projection is realized in the true sense, and the conventional pseudo holographic projection is changed. Namely, after a user receives certain type of light beam information through the portable control terminal, the light beam information can be edited to change the holographic projection image, and then, the man-machine simple communication is successfully realized. The holographic projection in the true sense is realized, and the holographic projection is expanded to an interactive layer.
In this way, some holographic projection games or some immersion spaces can be made based on the above, and the immersion spaces based on holographic projection, for example, the portable control end is designed as an operation handle, when a part of a holographic projection stereo image is controlled and changed, the image generates a certain effect and the effect is presented through the stereo image and is changed rapidly, so that the change of the whole stereo image is realized.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A visible light projection system, comprising:
each projection device is provided with an LED light source unit and receives the visible light beams emitted by the corresponding LED light source unit and projects corresponding sub-image light beams;
the atomization screen receives the plurality of sub-image light beams projected by the plurality of projection devices and reflects the sub-image light beams to form a three-dimensional space stereo image;
the portable control end is contacted with the light beam reflected by the atomization screen to generate an electric signal;
the terminal device is connected with the plurality of projection devices and the portable control end, the portable control end sends the electric signal to the terminal device to control the projected screen of the terminal device, and the plurality of projection devices project the projected screen of the terminal device.
2. The visible light projection system of claim 1, wherein the projection device comprises:
the plane mirrors are respectively arranged around the atomization screen, and are used for receiving the visible light beams emitted by the LED light source unit and converging the visible light beams to obtain a gathered light beam;
and the beam expanding lens is arranged on two sides of the atomization screen corresponding to the position of the plane mirror, receives the collected light beams, distributes the collected light beams and outputs the collected light beams to the atomization screen.
3. The visible light projection system of claim 1,
the portable control end receives partial light beams reflected by the atomization screen and converts the partial light beams into position signals of contact points of the received light beams;
and the terminal equipment receives the position signal sent by the portable control terminal and controls a projected screen of the terminal equipment to display an image corresponding to the position signal.
4. The visible light projection system of claim 1,
the portable control end is used for operating partial light beams reflected by the atomization screen to obtain position moving signals of the light beam contact point pairs, and converting the position moving signals into control signals to be sent;
and the terminal equipment receives the control signal sent by the portable control terminal and controls the projected screen of the terminal equipment so as to control the sub-image light beams projected onto the atomization screen by the corresponding projection equipment.
5. The visible light projection system of claim 3 or 4, wherein the portable control tip is a wearable finger cot or a manipulating handle.
6. The visible light projection system of claim 3 or 4, wherein the projected screen of the terminal device comprises a plurality of sub-projection screens, and the sub-image beams projected by one projection device match the picture displayed by one sub-projection screen.
7. The visible light projection system of claim 1, wherein the projection device is a compact LED projector.
8. The visible light projection system of claim 7, wherein the plurality of compact LED projectors are arranged in a matrix disposed above a space in which the three-dimensional spatial stereo image is located.
9. The visible light projection system of claim 1, wherein the LED light source units form a light source matrix, and each LED light source unit in the light source matrix corresponds to a portion of the image position map of the three-dimensional stereoscopic image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120907734.3U CN215181378U (en) | 2021-04-28 | 2021-04-28 | Visible light projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120907734.3U CN215181378U (en) | 2021-04-28 | 2021-04-28 | Visible light projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215181378U true CN215181378U (en) | 2021-12-14 |
Family
ID=79365123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120907734.3U Active CN215181378U (en) | 2021-04-28 | 2021-04-28 | Visible light projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215181378U (en) |
-
2021
- 2021-04-28 CN CN202120907734.3U patent/CN215181378U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8576276B2 (en) | Head-mounted display device which provides surround video | |
| US8570372B2 (en) | Three-dimensional imager and projection device | |
| US6400364B1 (en) | Image processing system | |
| CN108525298B (en) | Image processing method, image processing device, storage medium and electronic equipment | |
| US8884984B2 (en) | Fusing virtual content into real content | |
| US10949055B2 (en) | Display system, display apparatus, control method for display apparatus | |
| Siriborvornratanakul | Enhancing user experiences of mobile-based augmented reality via spatial augmented reality: Designs and architectures of projector-camera devices | |
| WO2001075531A1 (en) | Virtual display system and method | |
| JP2010250789A (en) | Display device with camera | |
| AU2016288213A1 (en) | Technique for more efficiently displaying text in virtual image generation system | |
| US11792379B2 (en) | Depth sculpturing of three-dimensional depth images utilizing two-dimensional input selection | |
| US11914770B2 (en) | Eyewear including shared object manipulation AR experiences | |
| KR20160003676A (en) | Multiple laser drive system | |
| US11175758B2 (en) | Wearable control device, virtual/augmented reality system and control method | |
| CN215181378U (en) | Visible light projection system | |
| KR20230027299A (en) | Eyewear with shared gaze responsive viewing | |
| CN103777915A (en) | Immersed type interaction system | |
| US20200241721A1 (en) | Interactive display apparatus and method | |
| CN105511649B (en) | A kind of multipoint location system and multipoint positioning method | |
| US20240103606A1 (en) | Systems and methods for object interactions | |
| CN209859042U (en) | Wearable control device and virtual/augmented reality system | |
| CN100489644C (en) | Projecting unit inside portable electronic equipment | |
| CN211528904U (en) | Transmission type geometric holographic display system | |
| CN110141880B (en) | Immersive extension stage system based on aerial imaging | |
| CN113434046A (en) | Three-dimensional interaction system, method, computer device and readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |