WO2021223265A1

WO2021223265A1 - Holographic projection imaging interactive system

Info

Publication number: WO2021223265A1
Application number: PCT/CN2020/090844
Authority: WO
Inventors: 谢海春; 陆郝凌
Original assignee: 南京钟山虚拟现实技术研究院有限公司
Priority date: 2020-05-07
Filing date: 2020-05-18
Publication date: 2021-11-11
Also published as: CN211718689U

Abstract

A holographic projection imaging interactive system, comprising: a holographic projection system (100) and a projection interaction system (200). The holographic projection system (100) comprises a first base (110) and a projection imaging mechanism (120); the projection imaging mechanism (120) comprises at least one electronic display screen (122) parallel to the first base (110), and at least two holographic projection screens (121); the holographic projection screens (121) are connected to the first base (110) at an angle of 45 degrees; the electronic display screen (122) is electrically connected to a console; an image, which the electronic display screen (122) is driven to present, is subjected to three-dimensional projection imaging by means of the holographic projection screens (121); the projection interaction system (200) comprises a projector (210) and a projection screen (220); the projector (210) is connected to the console and projects a switching page to the projection screen (220); a plurality of sensors (221) are arranged on the longitudinal side edge and the transverse side edge of the projection screen (220) to form a mesh-like sensing array in rows and columns, and touch detection and positioning are carried out by means of the sensors. By using the configurations above, the holographic projection imaging interactive system solves the problem in spatial size of holographic projection, realizes interaction between a real object and a virtual object, and can realize quick switching between images.

Description

Holographic projection imaging interactive system

Technical field

The utility model belongs to the technical field of holographic projection, and specifically relates to a holographic projection imaging interactive system.

Background technique

Holographic projection technology, also called virtual imaging technology, is a technology that uses the principles of interference and diffraction to record and reproduce real three-dimensional images of objects. It is a technology that can display three-dimensional virtual scenes in front of the audience without wearing 3D glasses. Most of the current holographic projections use optical materials (transparent films and other media) tilted at various angles to refract the light source to form a holographic visual effect, while the tilted optical materials basically use a pyramid structure in structure, and the pyramid structure is four-sided. Connected by the same optical material, this structure limits the imaging volume to a certain extent, and cannot interact with the real object due to its closed structure; on the other hand, the current holographic imaging technology cannot be switched or switched during image display. It takes a long time to switch, and fast switching of images cannot be achieved.

Utility model content

The purpose of the utility model is to provide a holographic projection imaging interactive system in view of the shortcomings of the prior art. The system solves the space size problem, realizes the interaction between the physical object and the virtual object, and can realize the rapid switching between images. The whole system The operation is simple and convenient, and the rendering effect is good.

In order to achieve the above objectives, the technical solutions adopted by the present utility model are as follows:

A holographic projection imaging interactive system, including:

The holographic projection system includes a first base and a projection imaging mechanism. The projection imaging mechanism includes at least one electronic display screen parallel to the first base and at least two holographic projection screens located between the electronic display screens of the first base. The projection screen and the first base are connected at an angle of 45°; the electronic display screen is electrically connected to a host computer, and the host computer controls the electronic display screen to present images, and the electronic display screen is driven to display images through the holographic projection screen. Projection imaging

The projection interactive system includes a projector and a projection screen, the projector is connected to the host, and the switching page is projected on the projection screen. The longitudinal and lateral sides of the projection screen are provided with a number of sensors to form a determinant network transmission. The sensor array is connected to the host, and performs touch detection and positioning through sensors.

Further, the projection imaging mechanism has a special-shaped hexahedral structure.

Further, a plurality of uprights are provided between the electronic display screen and the first base, and the uprights include at least one first upright that is perpendicular to the base, and second and third uprights that are at an angle of 45° to the base. The first pillar forms a first plane and a second plane with the second pillar and the third pillar respectively. The holographic projection screens are two pieces of the same structure. The two holographic projection screens are attached to the second pillar and the third pillar respectively and are opposite to each other. Adjacent symmetric connection.

Further, the projection imaging mechanism has a pyramid structure.

Further, there are four holographic projection screens, and the four holographic projection screens have the same structure and are connected in pairs adjacent to each other, and their bottom edges are all connected with the first base at an angle of 45°.

Further, the holographic projection screen is a holographic glass screen.

Further, the holographic projection screen is a holographic acrylic screen.

Further, the holographic projection system is provided with a touch screen, and the direction of the three-dimensional projection imaging is rotated through the touch screen.

Further, the projection interactive system is provided with a second base, and the projection screen is fixed on the second base;

The projector projects on the projection screen by way of rear projection or front projection.

Further, the holographic projection imaging interactive system is further provided with a remote server, and data communication is performed between the remote server and the host.

The beneficial effects of the utility model are:

1. By setting the projection imaging mechanism into a special shaped hexahedron structure, this utility model solves the space size problem while completing the three-dimensional projection imaging. The two-sided holographic projection screen with the shaped hexahedron structure eliminates the need to change the height of the hexahedron. It can achieve the largest volume of three-dimensional imaging, and the physical model can be put into the hexahedron through the first plane and the second plane of the special-shaped hexahedron structure to form an interaction with virtual objects, which has a more intuitive experience and better results.

2. The projection interactive system provided in the present utility model is provided with a number of sensors on the longitudinal and lateral sides of the projection screen to form a determinant mesh sensor array. When the switching page on the projection screen is touched, the sensor is used to locate the desired Switch the image, and realize the image switching on the display screen through the system program, the image switching is fast, and the operation is simple.

Description of the drawings

FIG. 1 is a schematic diagram of the structure of the heterogeneous hexahedron-shaped holographic projection imaging interactive system in the embodiment.

Fig. 2 is a schematic structural diagram of a pyramid-shaped holographic projection imaging interactive system in an embodiment.

Fig. 3 is a schematic diagram of the structure of the hetero-hexahedron-shaped holographic projection system in the embodiment.

Fig. 4 is a schematic diagram of the structure of the pyramid-shaped holographic projection system in the embodiment.

Description of reference signs:

100. Holographic projection system; 110, first base; 111, first column; 112, second column; 113, third column; 121, holographic projection screen; 122, electronic display screen, 130, touch screen;

200. Projection interactive system; 210, projector; 211, support rod; 220, projection screen; 221, sensor; 230, second base.

Detailed ways

In order to better understand the technical content of the present utility model, specific embodiments are described in conjunction with the accompanying drawings as follows.

In this disclosure, various aspects of the present invention are described with reference to the accompanying drawings, in which many illustrated embodiments are shown. The embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways.

As shown in conjunction with Figures 1 and 2, a holographic projection imaging interactive system includes: a holographic projection system 100 and an input interactive system 200. The holographic projection system 100 can achieve three-dimensional projection imaging, and the projection interactive system 200 can achieve rapid image switching. .

The holographic projection system 100 includes a first base 110 and a projection imaging mechanism 120, and the projection imaging mechanism 120 includes at least two holographic projection screens 121 and an electronic display screen 122. The holographic projection screen 121 adopts a holographic glass screen or a holographic acrylic screen. Each holographic projection screen 121 is connected with the first base 110 at an angle of 45°.

In combination with the figure, the electronic display screen 122 is located on the top of the holographic projection screen 121 and is parallel to the first base 110. The electronic display screen 122 is, for example, an LED display screen, which is electrically connected to a host through a data cable, and the host controls the electronic display screen to present images. , The electronic display screen is driven to present the image through the holographic projection screen for three-dimensional projection imaging.

In a preferred embodiment, as shown in FIG. 3, the projection imaging mechanism 120 has a special-shaped hexahedral structure; wherein, a plurality of uprights are provided between the electronic display screen 122 and the first base 110, and the uprights include at least one vertical to the base. The first column 111 and the second column 112 and the third column 113 at an angle of 45° to the base. The first column and the second column and the third column respectively form a first plane and a second plane. The holographic projection screen 121 has the same structure The two holographic projection screens are attached to the second column and the third column respectively and connected symmetrically adjacent to each other.

In another preferred embodiment, as shown in FIG. 4, the projection imaging mechanism 120 has a pyramid structure; wherein, there are four holographic projection screens 121, and the four holographic projection screens 121 have the same structure and are connected in pairs adjacent to each other. The bottom side is connected with the first base 110 at an angle of 45°.

The projection interactive system 200 includes a projector 210 and a projection screen 220. The projector 210 is connected to the host and projects the switching page onto the projection screen 220. The longitudinal and lateral sides of the projection screen 220 are provided with a number of sensors 221 to form a matrix network. The shape sensor array is connected to the host, and touch detection and positioning are performed through the sensor 221.

The aforementioned host may be one or more notebook computers or desktop computer hosts, which are placed inside the first base 110.

In this way, the operator or experience person touches the corresponding area on the projection screen 220 with their fingers, for example, when the corresponding area is displayed on the switching page, the sensor 221 is used for positioning, and the preset system controls the switching on the electronic display 122. The rendered image.

It is particularly preferred that the sensor adopts a through-beam photoelectric sensor, in a row or column, one side of which is provided with a sensor, and the other side is provided with a receiver, thus forming a sensor array (longitude and latitude sensing), when the corresponding area is touched by a finger Positioning when touching and blocking.

In a preferred embodiment, the projector 210 is suspended by a support rod 211 and projected onto the projection screen 220 by way of rear projection.

In another preferred embodiment, the projector 210 is fixed to the wall behind the projection screen 220 by a tray, and projects on the projection screen 220 by means of a tray.

It should be understood that the support and projection methods of the projector 210 include but are not limited to this, as long as the projection effect is achieved.

Preferably, the holographic projection system 100 is provided with a touch screen 130, and the direction of the image formed by the three-dimensional projection imaging is rotated through the touch screen 130.

The holographic projection imaging interactive system is also provided with a remote server. The remote server performs data communication with the host, and sends instructions to the remote server through an external input device, such as a mouse, a keyboard, or a mobile phone, or a pad. The remote server then uses wireless signals. Carry out data communication with the host to realize the connection with the holographic projection imaging interactive system.

In this way, in conjunction with Figures 1 and 2, the operator uses a mobile phone or pad to communicate instructions to the host through a remote server wirelessly connected to it, and presents an image on the electronic display 122, and the holographic projection screen 121 refracts the light source to achieve three-dimensional projection Imaging; when it is necessary to realize the interaction between the physical object and the virtual object, the right-angled plane set by the physical object through the special-shaped hexahedron can be directly placed into the expired internal space to achieve the three-dimensional effect of the superimposed display of the three-dimensional projection and the real object.

Although the present invention has been disclosed as above in preferred embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field of the present utility model can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to what is defined in the claims.

Claims

A holographic projection imaging interactive system, which is characterized in that it comprises:

The holographic projection system includes a first base and a projection imaging mechanism. The projection imaging mechanism includes at least one electronic display screen parallel to the first base and at least two holographic projection screens located between the electronic display screens of the first base. The projection screen and the first base are connected at an angle of 45°; the electronic display screen is electrically connected to a host computer, and the host computer controls the electronic display screen to present images, and the electronic display screen is driven to display images through the holographic projection screen. Projection imaging

The projection interactive system includes a projector and a projection screen, the projector is connected to the host, and the switching page is projected on the projection screen. The longitudinal and lateral sides of the projection screen are provided with a number of sensors to form a determinant network transmission. The sensor array is connected to the host, and performs touch detection and positioning through sensors.
The holographic projection imaging interactive system according to claim 1, wherein the projection imaging mechanism has a special-shaped hexahedral structure.
The holographic projection imaging interactive system according to claim 2, wherein a plurality of uprights are provided between the electronic display screen and the first base, and the uprights include at least one first upright perpendicular to the base and The second and third uprights at an angle of 45°, the first upright and the second upright and the third upright respectively form a first plane and a second plane, the holographic projection screen is two pieces of the same structure, two pieces The holographic projection screen is attached to the second column and the third column respectively and connected symmetrically adjacently.
The holographic projection imaging interactive system according to claim 1, wherein the projection imaging mechanism has a pyramid structure.
The holographic projection imaging interactive system according to claim 4, wherein the holographic projection screen has four holographic projection screens. The four holographic projection screens have the same structure and are connected in pairs adjacent to each other. They are connected at a 45° angle.
The holographic projection imaging interactive system according to claim 1, wherein the holographic projection screen is a holographic glass screen.
The holographic projection imaging interactive system according to claim 1, wherein the holographic projection screen is a holographic acrylic screen.
The holographic projection imaging interactive system according to claim 1, wherein the holographic projection system is provided with a touch screen, and the rotation of the three-dimensional projection imaging is controlled through the touch screen.
The holographic projection imaging interactive system according to claim 1, wherein the projection interactive system is provided with a second base, and the projection screen is fixed on the second base;

The projector projects on the projection screen by way of rear projection or front projection.
The holographic projection imaging interactive system according to claim 1, wherein the holographic projection imaging interactive system is further provided with a remote server, and data communication between the remote server and the host computer.