CN115469505A - Immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and manufacturing method thereof - Google Patents

Immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and manufacturing method thereof Download PDF

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Publication number
CN115469505A
CN115469505A CN202211123504.3A CN202211123504A CN115469505A CN 115469505 A CN115469505 A CN 115469505A CN 202211123504 A CN202211123504 A CN 202211123504A CN 115469505 A CN115469505 A CN 115469505A
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China
Prior art keywords
projection
base layer
spherical screen
spherical
base
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CN202211123504.3A
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Chinese (zh)
Inventor
赵伟康
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Shenzhen Bainuo Education Technology Co ltd
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Shenzhen Bainuo Education Technology Co ltd
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Priority to CN202211123504.3A priority Critical patent/CN115469505A/en
Publication of CN115469505A publication Critical patent/CN115469505A/en
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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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/04—Spherical articles, e.g. balls
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • 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
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

The invention discloses an immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and a manufacturing method thereof, relating to the technical field of projection screens, wherein the immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen comprises a spherical screen shell, wherein the spherical screen shell is of a spherical structure, one side of the spherical screen shell is provided with a door, and the bottom of the spherical screen shell is provided with a base; the spherical curtain shell comprises a base layer, a projection functional coating is arranged outside the base layer, and a protective layer is arranged outside the base layer; the spherical screen shell is fixedly connected with the base through a flange, and the bottom of the base is provided with trundles. The seamless spherical screen material is formed by uniformly coating multiple layers of epoxy resin, so that the spherical screen has high strength, high transparency and good weather resistance. Simultaneously, choose for use the coating to adopt the environmental protection not have PU paint to combine with high scattering function powder to carry out the spraying and form projection function coating, projection function coating is tasteless and adhesive force strong, and then produces a ball curtain more three-dimensional, and the sense organ nature is strong, and the projection is effectual.

Description

Immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and manufacturing method thereof
Technical Field
The invention relates to the technical field of projection screens, in particular to an immersive virtual simulation outer projection inner-viewing rear projection type spherical screen and a manufacturing method thereof.
Background
The projection screen is one of the commonly used products in the peripheral imaging equipment of the projector, and is called as a projection screen for short. With the continuous emergence of high-quality projectors, the continuous updating of projection screens and the continuous improvement of projection technologies, the field of projection screens also conforms to the market and is rapidly developed. From a plane to a spherical surface, from a cloth material to a plastic material, from a reflection projection to a transmission projection, from a hard material to a soft material, from a setting type to an inflation type, and the like, wherein a spherical curtain is a typical representative product. The projector is arranged in the spherical screen, and the playing content is projected on the imaging coating of the spherical screen wall through the fisheye lens, thereby presenting bright and colorful clear pictures and meeting the audiences' audio-visual requirements. Such a playing mode is gradually developing from a single brand single technology to a new variety of brands, a new scene, a more optimized playing technology, and a new playing device which more embodies meeting the market will be continuously emerging. Currently, there are many advantages to the devices that have been presented and utilized in the field of projection screens, as well as many disadvantages and application limitations. For example, the product has limitations on the use scene, the immersive studio can only be just cast, and large-scale spherical screens have seams.
Disclosure of Invention
The invention aims to provide an immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and a manufacturing method thereof, so as to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an immersion type virtual simulation rear-projection ball curtain of looking in throwing outward, includes the ball curtain shell, and the ball curtain shell is spherical structure, and one side of ball curtain shell has seted up the gate, and the base is installed to the bottom of ball curtain shell.
Preferably, the spherical screen shell comprises a base layer, the outer part of the base layer is provided with a projection functional coating, and the outer part of the base layer is provided with a protective layer.
Preferably, the spherical screen shell is fixedly connected with the base through a flange, and the bottom of the base is provided with casters.
A manufacturing method of an immersive virtual simulation outer projection and inner viewing rear projection type dome screen comprises the following steps:
step one, building a room with heat preservation, ventilation and cleanness as an operation room according to the size requirement of a product;
step two, opening a flexible spherical mould according to the product specification, installing a rotating machine for supporting the mould and controlling the mould to rotate in the operating room, and installing a heater in the operating room;
step three, installing the die on a rotating machine and adjusting dynamic balance;
step four, smearing release agent wax water on the surface of the mould;
pouring the first-time reinforced epoxy resin on the surface of the mold at the temperature of 40 ℃ under the condition of machine rotation;
step six, adjusting the temperature to 70 ℃, keeping the machine rotating at a constant speed, and waiting for the epoxy resin to be cured;
step seven, pouring the reinforced epoxy resin for the second time, and repeating the step six;
step eight, repeating the steps five to seven until the epoxy resin reaches the thickness of the required product to form a base layer;
step nine, moving the base layer to a polishing workshop, polishing the surface of the base layer, then detaching the mold together with the base layer from a rotating machine, removing the mold, and polishing the interior of the base layer;
step ten, repairing residual shaft holes and flaws at the joint of the butt joint rotating machine on the base layer by using epoxy resin;
bonding a flange at the bottom of the base layer, installing and connecting the base layer and the base through the flange, and cutting to form a doorway;
step twelve, moving the base layer to a paint spraying chamber, spraying a projection functional coating on the outer surface of the base layer, and spraying a protective layer on the inner wall of the base layer;
and thirteen, inspecting the product quality, collecting data after the product is qualified, and packaging the product.
Preferably, the protective layer used in the twelfth step is a PU resin material.
Preferably, the projection functional coating is a mixture of environment-friendly odorless PU paint with strong adhesive force and high-scattering functional powder.
In the technical scheme, the invention provides the following technical effects and advantages:
according to the invention, a seamless spherical screen material is formed by uniformly coating multiple layers of epoxy resin, so that the spherical screen has high strength, high transparency and good weather resistance, meanwhile, the coating is selected and sprayed by combining environment-friendly PU-free paint and high-scattering functional powder to form a projection functional coating, and the projection functional coating is tasteless and has strong adhesive force, so that a spherical screen which is more three-dimensional, strong in sense and good in projection effect is produced; the spherical screen is matched with a main body projection system, special effect equipment such as seats and the like and a computer control system to form a spherical presentation hall, all parts are combined closely to form a complete presentation system, audiences are surrounded, extend from the front to the back, are accompanied by surround sound, and are linked with film contents, and the seats, the spraying, the wind blowing, the rainfall and other special effects are linked, so that the spherical screen has a very strong on-site effect and experiences the scene best, the best immersion is met, and the shocking satisfaction is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a structural view of the spherical screen shell according to the present invention.
Description of the reference numerals:
1. a spherical screen shell; 11. a base layer; 12. projecting a functional coating; 13. a protective layer; 2. a doorway; 3. a base.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
Examples
The invention provides an immersive virtual simulation outer-projection inner-viewing rear projection type spherical screen as shown in figure 1, which comprises a spherical screen shell 1, wherein the spherical screen shell 1 is of a spherical structure, a door 2 is arranged on one side of the spherical screen shell 1, and a base 3 is arranged at the bottom of the spherical screen shell 1.
Further, in the above technical solution, the spherical screen shell 1 includes a base layer 11, a projection functional coating 12 is disposed outside the base layer 11, and a protective layer 13 is disposed outside the base layer 11.
Further, in the above technical scheme, the ball screen shell 1 is fixedly connected with the base 3 through a flange, and casters are arranged at the bottom of the base 3.
A manufacturing method of an immersive virtual simulation outer projection and inner viewing rear projection type dome screen comprises the following steps:
step one, building a room with heat preservation, ventilation and cleanness as an operation room according to the size requirement of a product;
step two, opening a flexible spherical mould according to the product specification, installing a rotating machine for supporting the mould and controlling the mould to rotate in the operating room, and installing a heater in the operating room;
step three, installing the die on a rotating machine and adjusting dynamic balance;
step four, smearing release agent wax water on the surface of the mould;
pouring the first-time reinforced epoxy resin on the surface of the mold at the temperature of 40 ℃ under the condition of machine rotation;
step six, adjusting the temperature to 70 ℃, keeping the machine rotating at a constant speed, and waiting for the epoxy resin to be cured;
step seven, pouring the reinforced epoxy resin for the second time, and repeating the step six;
step eight, repeating the steps five to seven until the epoxy resin reaches the thickness of the required product to form a base layer 11;
step nine, moving the base layer 11 to a polishing workshop, polishing the surface of the base layer 11, then detaching the mold together with the base layer 11 from a rotating machine, removing the mold, and polishing the interior of the base layer 11;
step ten, repairing residual shaft holes and flaws on the base layer 11 at the joint of the butt joint rotating machine by using epoxy resin;
bonding a flange at the bottom of the base layer 11, installing and connecting the base layer 11 and the base 3 through the flange, and cutting and forming the doorway 2;
step twelve, moving the base layer 11 to a paint spraying room, spraying a projection functional coating 12 on the outer surface of the base layer 11, and then spraying a protective layer 13 on the inner wall of the base layer 11;
and thirteen, inspecting the product quality, collecting data after the product is qualified, and packaging the product.
Further, in the above technical solution, the protective layer 13 adopted in the step twelve is a PU resin material.
Furthermore, in the above technical solution, the projection functional coating 12 is a mixture of environment-friendly, odorless and strong-adhesion PU paint and high-scattering functional powder
In summary, the following steps: the method comprises the steps of uniformly coating multiple layers of epoxy resin to form a seamless spherical screen material, so that the spherical screen has high strength, high transparency and good weather resistance, and meanwhile, selecting a coating to adopt environment-friendly PU-free paint and high-scattering functional powder for spraying to form a projection functional coating 12, wherein the projection functional coating 12 is tasteless and strong in adhesive force, so that a more three-dimensional spherical screen with strong sense and good projection effect is produced; the spherical screen is matched with a main body projection system, special effect equipment such as seats and the like and a computer control system to form a spherical studio, all components are closely combined to form a complete playing system, audiences are surrounded and extend from the front to the back, and the spherical screen is accompanied with surround stereo sound, and has special effects such as seats linked with film contents, spraying, wind blowing, rainfall and the like, if the spherical screen is placed in images, the spherical screen has very strong on-site effects, can well experience the situation, meets the best immersion, and achieves the shocking satisfaction. The dome screen can be suitable for science and technology museums, astronomical desks, earthquake offices, astronomical offices, schools, dome cinema, museums and exhibition museums, and displays popular science contents such as earth, satellites, planets, earthquakes, oceans, atmosphere, sun and the like through expression modes such as animations, images and the like; the product is also suitable for enterprise exhibition halls, government exhibition halls, movie theatre lines, entertainment venues, clubs, KTVs, tourist attractions and the like, and can realize good brand exhibition and propaganda.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. The utility model provides an immersive virtual simulation outer projection inner view rear-projection formula ball curtain, includes ball curtain shell (1), its characterized in that: ball curtain shell (1) is spherical structure, just gate (2) have been seted up to one side of ball curtain shell (1), base (3) are installed to the bottom of ball curtain shell (1).
2. The immersive virtual simulated exterior projection and interior viewing rear projection dome screen of claim 1, wherein: the spherical screen shell (1) comprises a base layer (11), a projection functional coating (12) is arranged outside the base layer (11), and a protective layer (13) is arranged outside the base layer (11).
3. The immersive virtual simulation exterior projection interior rear projection spherical screen of claim 1, wherein: the spherical screen shell (1) is fixedly connected with the base (3) through a flange, and the bottom of the base (3) is provided with trundles.
4. A method of manufacturing an immersive virtual reality exterior projection interior rear projection dome screen as recited in claim 2, comprising the steps of:
step one, building a room with heat preservation, ventilation and cleanness as an operation room according to the size requirement of a product;
step two, opening a flexible spherical mould according to the product specification, installing a rotating machine for supporting the mould and controlling the mould to rotate in the operating room, and installing a heater in the operating room;
step three, mounting the die on a rotating machine and adjusting dynamic balance;
step four, smearing release agent wax water on the surface of the mould;
pouring the first-time reinforced epoxy resin on the surface of the mold at the temperature of 40 ℃ under the condition of machine rotation;
step six, adjusting the temperature to 70 ℃, keeping the machine rotating at a constant speed, and waiting for the epoxy resin to be cured;
step seven, pouring the reinforced epoxy resin for the second time, and repeating the step six;
step eight, repeating the steps five to seven until the epoxy resin reaches the thickness of a required product to form a base layer (11);
step nine, moving the base layer (11) to a polishing workshop, polishing the surface of the base layer (11), then detaching the mold together with the base layer (11) from a rotating machine, removing the mold, and polishing the interior of the base layer (11);
step ten, repairing residual shaft holes and flaws at the joint of the butt joint rotating machine on the base layer (11) by using epoxy resin;
bonding a flange at the bottom of the base layer (11), installing and connecting the base layer (11) and the base (3) through the flange, and cutting to form a doorway (2);
step twelve, moving the base layer (11) to a paint spraying room, spraying a projection functional coating (12) on the outer surface of the base layer (11), and spraying a protective layer (13) on the inner wall of the base layer (11);
and step thirteen, inspecting the product quality, collecting data after the product is qualified, and packaging the product.
5. The method of claim 4 for manufacturing an immersive virtual simulation outer projection inner viewing rear projection dome screen, wherein: and the protective layer (13) adopted in the step twelve is made of PU resin material.
6. The method for manufacturing an immersive virtual simulation outer projection inner viewing rear projection spherical screen as claimed in claim 4, wherein the method comprises the following steps: the projection functional coating (12) is a mixture of PU paint and high-scattering functional powder.
CN202211123504.3A 2022-09-15 2022-09-15 Immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and manufacturing method thereof Pending CN115469505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211123504.3A CN115469505A (en) 2022-09-15 2022-09-15 Immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211123504.3A CN115469505A (en) 2022-09-15 2022-09-15 Immersive virtual simulation outer-projection inner-viewing rear-projection spherical screen and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN115469505A true CN115469505A (en) 2022-12-13

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Application Number Title Priority Date Filing Date
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