CN203178666U - Spherical screen structure - Google Patents

Abstract

The utility model relates to a spherical screen structure, which is composed of a sphere, a plurality of mooring ropes and a rib frame. The sphere is composed of two hollow hemispheroids, a rib frame for supporting is arranged in each of the two hemispheroids to fix the shape of the sphere and ensure the structural strength of the sphere, one end of each cable is fixed on the bottom sphere rib frame and then passes through the upper sphere rib frame and the sphere, and the other end of each cable is fixed on a building, so that the sphere screen can be suspended in a projection hall. The projector is positioned at the same horizontal height of the spherical screen, each projector surrounds the spherical screen at equal angles, and a projector is connected with each projector through a signal wire, so that the spherical screen can be subjected to image projection from different directions, and a three-dimensional spherical image can be presented on the spherical screen.

Description

Sphere Screen Construction

technical field

The utility model relates to a spherical screen structure, in particular to a spherical screen structure which is specially applied to a spherical projection device and can present a three-dimensional spherical image on the spherical screen.

Background technique

The projection device uses a projector to project images on a large-area screen, and viewers can obtain a visual experience of a large field of view. The most typical such devices are, for example, movie, or commercial and home projectors.

However, the above-mentioned conventional projection devices all use flat screens, which can only display a rectangular image according to the fixed ratio of the screen width and height, and cannot provide real three-dimensional images. Although a simulated 3D image technology has been developed in conjunction with the chromatic aberration mirror, it is still limited by the screen of this plane and cannot display stereoscopic images.

Contents of the invention

The utility model provides a special sphere screen structure for a sphere projection device aiming at the screen display limitation of the existing plane projection.

That is to say, the main purpose of the present invention is to provide a spherical screen structure specially used in a spherical projection device, through which a spherical screen can present a 360-degree three-dimensional spherical image.

In order to achieve the above object, the utility model adopts the following technical means.

The preferred embodiment of the utility model is that the spherical screen structure mainly includes a combination of a spherical body, a plurality of cables, and a rib frame.

The sphere is composed of two hollow semicircular spheres.

The ribs are fixed inside the two semicircular spheres to support and fix the shape of the spheres and ensure their structural strength.

One end of each cable is fixed to the bottom sphere rib frame, and then passes through the upper sphere rib frame and the sphere, and the other end of the cable is fixed to the building, so that the two semi-spheres are combined into a complete spherical shape and suspended in the projection hall Inside, a spherical screen is formed.

Located at the same level as the spherical screen, there are multiple projectors, each of which surrounds the spherical screen at an equal angle, and one projector is connected to each projector through a signal wire to project images on the spherical screen from different directions. A three-dimensional spherical image is presented on the spherical screen.

Utilize the multiple projectors surrounding the spherical screen to project images on the spherical screen from different directions, control the edge fusion of the images through the image control software, and cooperate with the audio device to output multi-channel sound, so as to present a three-dimensional spherical image on the spherical screen , Reach the intended purpose of the utility model.

Utilizing the spherical screen structure of the utility model above, it is possible to display natural science phenomena and science and technology in an almost real way, such as multimedia content about the earth, satellites, planets, earthquakes, oceans, atmosphere, sun, etc., and is most suitable for popular science teaching, Astronomy and meteorology, aviation, museums, and even commercial advertisements, etc.

The structure of specific embodiments of the present utility model will be described in detail below in conjunction with the drawings.

Description of drawings

Fig. 1 is a spherical projection device using the structure of the spherical screen of the present invention.

Fig. 2 is a side view of the spherical projection device.

Fig. 3 is a structural diagram of the spherical screen of the present invention.

Fig. 4 is a structural diagram of the second example of the spherical screen structure of the present invention.

Explanation of reference signs

10 spheres

11 cables

12 buildings

13 ribs

20 projectors

30 projectors

31 wire

Detailed ways

Accompanying drawing 1 is the spherical projection device using the spherical screen structure of the present invention.

Fig. 2 is a side view of the spherical projection device.

Fig. 3 is a structural diagram of the spherical screen of the present invention.

As shown in FIG. 3 , the preferred embodiment of the present invention is that the spherical screen structure mainly includes a combination of a spherical body 10 , a plurality of cables 11 , and a rib frame 13 .

The sphere is composed of two hollow semicircular spheres 10 .

The ribs 13 are fixed inside the two semicircular spheres 10 to support and fix the shape of the spheres 10 and ensure their structural strength.

One end of each cable 11 is fixed to the bottom spherical rib frame 13, and then passes through the upper spherical rib frame 13 and the sphere 10, and the other end of the cable 11 is fixed to the building 12, so that the two semi-spherical bodies 10 are combined into a complete spherical shape And it is suspended in the projection hall to form a spherical screen.

As shown in Fig. 1 and Fig. 2, the utility model is located at the same horizontal height of the spherical screen in practical application, and a plurality of projectors 20 are arranged, and each projector 20 surrounds the spherical screen at an equiangular angle, and a projector 30 passes through a signal wire 31 Each projector 20 is connected so that each projector 20 can project images on the sphere 10 from different directions, and can present a three-dimensional spherical image on the sphere screen, thereby achieving the predetermined purpose of the present invention.

Accompanying drawing 4 is the structural diagram of the second example of the structure of the spherical screen of the present invention.

The utility model shown in Fig. 4 is identical with the spherical screen structure described in Fig. 3, wherein, the spheroid is made of four 1/4 circular hollow spheroids 10; rib frame 13 is fixedly located on The inside of the quarter circular sphere 10 is used to support and fix the shape of the sphere 10 and ensure its structural strength; one end of each cable 11 is fixed to the bottom sphere rib 13, and then passes through the upper sphere rib 13 and the sphere 10, and the cable The other end of 11 is then fixed on building 12, and four quarter circular spheres 10 are combined into a complete sphere and are suspended in the projection hall to form a sphere screen.

In actual manufacturing, the above-mentioned spherical screen of the present invention can also use one-sixth circular and one-eighth circular spheres to form a complete spherical shape depending on the difference in manufacturing materials and processes.

After each spherical screen is formed, it needs to be further processed in the gaps between the joints and the surface of the spherical screen according to different manufacturing materials and processes, so that the spherical screen becomes a perfect sphere, which is suitable for the above-mentioned spherical projection device.

To sum up, the utility model can achieve the expected functional purpose, and it is described in detail so that existing technical personnel who are good at this technology can implement it accordingly. However, the above-mentioned embodiments are only for illustration, and all the changes of equivalent structures and Similar modifications that do not deviate from the spirit of the utility model shall belong to the category of the utility model.

Claims (4)

1. A spherical screen structure comprising: A sphere is composed of two hollow semicircular spheres; Rib frames are fixed inside the two semicircular spheres to support the shape of the fixed spheres and ensure their structural strength; and, Most of the cables, one end of each cable is fixed to the bottom spherical rib frame, and then passes through the upper spherical rib frame and the sphere, and the other end of the cable is fixed to the building, so that the two semi-spheres are combined into a complete spherical shape and suspended in the projection hall inside, forming a spherical screen; Located at the same level as the spherical screen, several projectors are installed, each projector surrounds the spherical screen at an equiangular angle, and a projector is connected to each projector through a signal wire, so that each projector can view the spherical screen from different directions. Image projection can present a three-dimensional spherical image on a spherical screen. 2. The sphere screen structure according to claim 1, wherein the sphere is composed of four quarter-circle hollow spheres, and the rib frame is fixed inside the quarter-circle sphere, It is used to support and fix the shape of the sphere and ensure its structural strength. One end of each cable is fixed to the bottom sphere rib frame, and then passes through the upper sphere rib frame and the sphere, and the other end of the cable is fixed to the building, making four quarters The circular spheres are combined into a complete sphere and suspended in the projection hall to form a spherical screen. 3. The sphere screen structure according to claim 1, wherein the sphere is composed of six one-sixth circular hollow spheres. 4. The sphere screen structure according to claim 1, wherein the sphere is composed of eight one-eighth circular hollow spheres.

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