CN216561384U - Mobile CAVE immersive interactive projection system - Google Patents

Abstract

The utility model provides a movable CAVE immersive interactive projection system, which comprises at least three groups of wall surface projection screen devices and at least three groups of corresponding wall surface interactive projection devices; the wall surface projection screen device comprises a frame, at least one projection screen and a first moving mechanism, wherein the projection screen is arranged on the vertical surface of the frame, and the first moving mechanism is arranged at the bottom of the frame; the projection screens of at least three groups of wall surface projection screen devices are detachably spliced to form a combined projection screen surface; the wall interactive projection device comprises a main support and immersive virtual reality display equipment arranged on the main support, wherein a second moving mechanism is arranged at the bottom of the main support, the immersive virtual reality display equipment is provided with a sensor used for realizing virtual reality projection, a computer host and a projector, and the projector is used for projecting images on a combined projection screen. Borrow this, can make CAVE's immersive virtual reality can freely carry to different application places, reduced the installation cost simultaneously and occupied fixed area, widened the range of application.

Description

Mobile CAVE immersive interactive projection system

Technical Field

The utility model relates to the technical field of interactive projection, in particular to a movable CAVE immersive interactive projection system.

Background

A CAVE (CAVE Automatic Virtual Environment) immersive interactive projection system is a Virtual Reality (VR) system based on a multi-channel projection technology; the CAVE immersive interactive projection shadow space is generally in a cubic structure, and has high immersive and interactive experiences; the system can generate an immersive virtual environment surrounded by a projected picture by fusing a multi-channel synchronous projection technology, a three-dimensional computer graphic technology, a sensor technology, a sound technology and the like.

Current patent CN107870439A discloses immerse and feel strong closed CAVE projection system, it relates to a back projection's closed CAVE projection system, including the projection room, bottom projection mechanism, top projection mechanism, blockade mechanism and four side projection mechanisms, bottom projection mechanism is including supporting the box, is equipped with the projection subassembly in the support box, bearing plate and end curtain cloth, the projection room includes top frame, first side frame, coupling assembling and three second side frame, blockade mechanism includes the bottom plate, the pillar, articulated piece, bar and supporting shoe. The projection room in the prior art is constructed in the same way as many CAVE rooms on the market at present, involves heavy equipment, is complex to assemble, is high in construction cost, is a fixed device, cannot be moved to another place for use once being installed, and lacks the flexibility of application scenes.

As can be seen, the conventional method has many problems in practical use, and therefore, needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks, an object of the present invention is to provide a mobile CAVE immersive interactive projection system, which enables an immersive virtual reality of CAVE to be freely transported and moved to different application places, and meanwhile, reduces installation cost and occupies a fixed area, and widens an application range, so that the CAVE immersive interactive projection technology can be popularized and applied.

In order to achieve the above object, the present invention provides a mobile CAVE immersive interactive projection system, which includes at least three sets of wall projection screen devices and at least three sets of corresponding wall interactive projection devices; the wall surface projection screen device comprises a frame, at least one projection screen and a first moving mechanism, wherein the projection screen is arranged on the vertical surface of the frame, and the first moving mechanism is arranged at the bottom of the frame; the projection screens of at least three groups of the wall surface projection screen devices are detachably spliced to form a combined projection screen surface; wall interactive projection arrangement is including the main support and install immersive virtual reality display device on the main support, the main support bottom is equipped with the second moving mechanism, immersive virtual reality display device is equipped with the sensor that is used for detecting user interactive information, is used for handling interactive information's computer and be used for the basis the processing information of computer throw the image in projector on the combined type projection screen.

Optionally, the main bracket is provided with a second base, a vertical rod and an extension bracket, the second moving mechanism is mounted at the bottom of the second base, the vertical rod is vertically mounted on the second base, and the extension bracket is arranged at the top of the vertical rod and is vertically distributed with the vertical rod; the projector and the sensor are mounted on the extension support, the computer host is mounted on the second base and is in communication connection with the sensor and the projector respectively.

Optionally, the extension bracket is a horizontal telescopic rod capable of being telescopically adjusted, and the projector is mounted at the end of the extension bracket extending outwards; and/or

The vertical rod is a vertical telescopic rod which can be adjusted in a telescopic mode.

Optionally, a box body is installed on the second base, at least one valve is arranged on the box body, and the computer host is arranged in the box body; and/or

The computer host is connected with the computer through a computer interface, and the computer host is connected with the computer through a computer interface; and/or a second counterweight part is arranged on the other side of the second base opposite to the extension bracket.

Optionally, the wall projection screen device further comprises a first base, the frame is vertically installed on the first base, the first moving mechanism is installed at the bottom of the first base, and the first base is provided with a first counterweight.

Optionally, the projection screens between adjacent wall projection screen devices are spliced by at least one fixer; the splicing angle between the adjacent projection screens is 0-180 degrees; and/or

The combined type projection screen is of a multi-screen loop-back fan-shaped structure or a multi-screen linear structure or a multi-screen polygonal structure.

Optionally, the wall surface projection screen device includes a plurality of screen assemblies, and the plurality of screen assemblies are detachably connected to form the projection screen; and/or

The screen components are connected in a folding type rotating mode through hinge pieces, and the screen components rotate to form the projection screen through the hinge pieces.

Optionally, the projector is an ultra-short-focus projector; and/or

The sensor is a laser radar sensor or a camera or a depth sensor or a body movement sensor.

Optionally, the projection screen is detachably connected with the frame; and/or

Immersive virtual reality display device with be detachable connection between the main support.

Optionally, the system further comprises a ground interactive projection device, wherein the ground interactive projection device comprises a ground projector for projecting images on the ground.

The utility model relates to a mobile CAVE immersive interactive projection system, which comprises at least three groups of mobile wall surface projection screen devices and at least three corresponding groups of wall surface interactive projection devices, wherein each wall surface projection screen device comprises a frame, at least one projection screen and a first moving mechanism; the projection screens of at least three groups of wall surface projection screen devices are detachably spliced to form a combined projection screen surface; wall interactive projection arrangement is including the main support and install the immersive virtual reality display device on the main support, and the main support bottom is equipped with second moving mechanism in order to realize wall interactive projection arrangement's free removal, immersive virtual reality display device are equipped with and are used for realizing projected sensor of virtual reality, computer and projector, just the projector be used for throw the image in on the combination formula projection screen. The modular structure of the utility model is endowed with the moving mechanism to realize free movement, so that the immersive virtual reality of the CAVE can be freely carried and moved to different application places, meanwhile, the installation cost and the occupied fixed area are reduced, the application range is widened, and the CAVE immersive interactive projection technology can be popularized and applied.

Drawings

FIG. 1 is a block diagram of a mobile CAVE immersive interactive projection system according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of the wall interactive projection apparatus of the mobile CAVE immersive interactive projection system according to an embodiment of the present invention;

fig. 3 is a schematic perspective structural view of the wall interactive projection apparatus of the mobile CAVE immersive interactive projection system according to an embodiment of the present invention;

FIG. 4 is a front view of a first wall projection screen assembly of the mobile CAVE immersive interactive projection system of the present invention;

FIG. 5 is a rear view of a first wall projection screen assembly of the mobile CAVE immersive interactive projection system of the present invention;

FIG. 6 is a front view of a second wall projection screen assembly of the mobile CAVE immersive interactive projection system of the present invention;

FIG. 7 is a rear view of a second wall projection screen assembly of the mobile CAVE immersive interactive projection system of the present invention;

FIG. 8 is a front view of a third wall projection screen assembly of the mobile CAVE immersive interactive projection system of the present invention;

FIG. 9 is a rear view of a third wall projection screen assembly of the mobile CAVE immersive interactive projection system of the present invention;

FIG. 10 is a diagram of a first exemplary application of a mobile CAVE immersive interactive projection system in accordance with a first embodiment of the present invention;

FIG. 11 is a block diagram of a second exemplary application of the mobile CAVE immersive interactive projection system of the first embodiment of the present invention;

FIG. 12 is a schematic diagram of a mobile CAVE immersive interactive projection system according to a second embodiment of the present invention;

fig. 13 is a schematic structural diagram of the ground interactive projection apparatus in fig. 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Moreover, where certain terms are used throughout the description and following claims to refer to particular components or features, those skilled in the art will understand that manufacturers may refer to a component or feature by different names or terms. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" as used herein includes any direct and indirect electrical connection. Indirect electrical connection means include connection by other means.

With the technological progress, VR virtual reality is popularized and applied in civilian or different industries, the principle of VR is to completely immerse a user in a virtual scene, the current popular VR display mode is realized by wearing VR glasses, and another VR display technology, namely, CAVE immersion type projection system, is not popularized all the time.

The CAVE immersive projection system has the advantages that the CAVE immersive projection system is high in installation cost, large in fixed occupied area, large in environment adjustment requirement and the like, and cannot move once installed, so that a plurality of potential users are hesitant and impassable in reality, and the popularization and application of the CAVE immersive projection system are greatly limited. Meanwhile, considering that a large amount of capital is spent to buy a large amount of expensive projection equipment, the purpose is only that of CAVE, so that potential users face a plurality of problems in applying for financial support and considering cost performance.

To this end, fig. 1 to 5 illustrate a mobile CAVE immersive interactive projection system according to an embodiment of the present invention, which includes at least three sets of wall projection screen devices 10 and at least three sets of corresponding wall interactive projection devices 20; the wall surface projection screen device 10 comprises a frame 12, at least one projection screen 11 and a first moving mechanism 13, wherein the projection screen 11 is installed on the vertical surface of the frame 12, and the first moving mechanism 13 is installed at the bottom of the frame 12; the projection screens 11 of at least three groups of wall surface projection screen devices 10 are detachably spliced to form a combined projection screen surface; the wall interactive projection device 20 comprises a main support 21 and an immersive virtual reality display device installed on the main support 21, wherein a second moving mechanism 26 is arranged at the bottom of the main support 21, the immersive virtual reality display device is provided with a sensor 23 for detecting user interactive information, a computer 201 for processing the interactive information and a projector 22 for projecting an image on the combined projection screen according to the processing information of the computer 201. Namely, the wall surface projection screen device 10 and the wall surface interactive projection device 20 of the present embodiment are respectively and freely moved by the first moving mechanism 13 and the second moving mechanism 26; in a specific implementation, the first moving mechanism 13 and the second moving mechanism 26 are rollers, preferably universal rollers; accordingly, the user can move to a designated position by pushing the wall surface projection screen device 10 and the wall surface interactive projection device 20. Of course, in other embodiments, the first moving mechanism 13 and/or the second moving mechanism 26 may also be a crawler-type traveling mechanism or the like.

The combined projection screen of the embodiment is formed by combining at least three groups of projection screens 11 of the wall projection screen device 10; the shape structure of the combined projection panel can be transformed accordingly by adding or subtracting respective projection screen devices 10; the screen device 10 is thrown through the portable wall of modularization to this embodiment and the interactive projection arrangement 20 of wall freely carries and removes to different application places to the equipment forms CAVE immersive interactive projection system, has reduced installation cost in view of the above and has occupied fixed area, has widened the range of application. In specific implementation, the combined projection screen panel is combined into a closed CAVE projection system which comprises four groups of wall surface projection screen devices and four groups of wall surface interactive projection devices, and/or one group of ground surface projection screen devices and one group of ground surface interactive projection devices. In another embodiment, the combined projection screens are combined into a multi-screen loop-back fan-shaped structure or a multi-screen in-line structure or a multi-screen polygon structure. Of course, in other embodiments, two or even one set of screen projection devices 10 may be employed to form the combined screen projection.

Fig. 12 to 13 show a mobile CAVE immersive interactive projection system according to a second embodiment of the present invention, which is different from the above embodiments, and the present embodiment further includes a ground interactive projection device 30, where the ground interactive projection device 30 includes a ground projector 31 for projecting an image onto the ground. The floor interactive projection device and the wall interactive projection device 20 have the same functional equipment, including but not limited to a projector 31, a sensor 32, a computer host 33, and the like; the ground interactive projection device 30 is used for erecting the projector 31 and the sensor 32 in the space above the application field through a vertical support, and the projector 31 and the sensor 32 are opposite to the ground of the field from top to bottom; the floor projector 31 of the floor interactive projection device 30 of the embodiment is applied to project images on a floor on which a projection screen is laid, or directly on the floor on which an interactive user is located. Different from the wall surface interactive projection device 20, the ground surface interactive projection device 30 projects an image on the ground, and senses the interaction of the user on the ground through the sensor 32, and the computer 33 generates projection information through software operation after receiving the interactive sensing information of the sensor 32, so as to project the projection information on the ground where the user is located through the ground surface projector 31, thereby forming the interactive projection effect of three wall surfaces and one ground surface in the embodiment.

In the embodiment, the projection screen and the immersive virtual reality device are respectively integrated on corresponding movable mechanisms, and the wall surface projection screen device 10 and the wall surface interactive projection device 20 are manually pushed to the designated positions, so that the immersive virtual reality device is not limited to a fixed place and is suitable for different application scenes; meanwhile, the number of the wall surface projection screen devices 10 and the number of the wall surface interactive projection devices 20 can be increased or decreased to expand the CAVE immersive interactive projection mode; according to the embodiment, the construction cost of the CAVE immersive interactive projection mode can be effectively reduced, and the scene adaptability of the CAVE immersive interactive projection mode is improved.

Optionally, the projection screen 11 is formed by splicing one or more projection screens; in one particular application, the projection screen 11 is cut vertically into three small pieces for ease of movement; the projection screen of this embodiment may be a front projection screen, a rear projection screen, a wooden board, a metal plate, a plastic plate, a cloth material, or made of other materials.

Preferably, the main support 21 is provided with a second base 24, a vertical rod and an extension support 28, the second moving mechanism 26 is installed at the bottom of the second base 24, the vertical rod is vertically installed on the second base 24, and the extension support 28 is installed at the top of the vertical rod and is vertically distributed with the vertical rod; the projector 22 and the sensor 23 are mounted on the extension bracket 28, the computer host 201 is mounted on the second base 24, and the computer host 201 is in communication connection with the sensor 23 and the projector 22 respectively. Wherein the vertical rod is used for supporting the extension bracket 28; in a specific application, the wall surface interactive projection device 20 may be disposed behind the wall surface projection screen device 10, and the extension bracket 28 extends to the front of the wall surface projection screen device 10, so that the sensor 23 on the extension bracket 28 is used to capture the finger and/or body movement of the user on the screen, and the computer host 201 controls the projector 22 to project the image on the projection screen 11 of the wall surface projection screen device 10 according to the human body interactive information acquired by the sensor 23.

Optionally, the extension bracket 28 is a horizontal telescopic rod capable of being telescopically adjusted, and the projector 22 is mounted at the end of the extension bracket 28 extending outwards; that is, the user can control the outward extending distance of the extending bracket 28 according to the actual use requirement, so as to conveniently change the distance between the projector 22 and the projection screen 11, thereby adjusting the projection influence area on the projection screen 11; wherein, the extension bracket 28 can adopt a manual or electric telescopic adjustment mode.

Furthermore, the vertical rod is a vertical telescopic rod which can be adjusted in a telescopic mode. The telescopic adjustment mode of the vertical rod comprises a manual or electric mode, the user can change the overall height of the wall interactive projection device 20 according to actual use requirements, the position of a projection image on the projection screen 11 is further adjusted, and the overall height can be reduced when the vertical rod is moved to different places, so that the vertical rod can be conveniently moved or pass through a door frame of a room and the like. In a front projection application, the wall interactive projection device 20 extends the projector 22 and the sensor 23 in a right angle direction to the front of the middle of the projection screen 11.

Optionally, a box 25 is installed on the second base 24, at least one valve is arranged on the box 25, and the computer host 201 is arranged in the box 25; and/or further comprises a sound box 202 connected with the computer host 201, and the sound box 202 is arranged in the box body 25. The valve arranged on the box body 25 is used for facilitating daily operations such as maintenance of the computer host 201 and/or the sound box 202 in the box body; each wall interactive projection device 20 can be equipped with an independent sound box or share one sound box 202; the sound box 202 is connected to the computer host 201, and is used for providing sound effects for users.

The second base 24 of this embodiment is provided with a second weight member 27 on the other side relative to the extension bracket 28. In particular, the second seat 24 extends rearward with respect to said vertical bar; for this reason, the second weight member 27 is disposed to balance the weight of the projector 22 projecting forward above the main stand 21 while achieving the purpose of stabilizing the entire main stand 21. Further, the wall surface projection screen device 10 further comprises a first base, the frame 12 is vertically installed on the first base, the first moving mechanism 13 is installed at the bottom of the first base, and the first base is provided with a first counterweight 14. In a specific application, each wall projection screen device 10 is provided with a frame 12, the frame 12 is connected to the first base, and a first counterweight 14 is disposed at the other end of the first base to balance the weight of the projection screen 11, and meanwhile, the purpose of stabilizing the whole projection screen 11 is achieved; the first moving mechanism 13 is a roller fixed under the base to facilitate the movement of the entire wall projection screen apparatus 10. Preferably, the second weight member 27 and the first weight member 14 may be weights such as a lead block, a heavy sandbag or a bell piece for pressing the structure of the stabilizer so that the entire device does not easily fall down.

Optionally, the projector 22 is an ultra-short-focus projector; and/or the sensor 23 is a lidar sensor or a camera or a depth sensor or a body motion sensor. The distance between the projector 22 and the projection screen 11 can be shortened by adopting the ultra-short-focus projector; the sensor 23 is arranged on the extension bracket 28, and the position of the sensor can be determined according to the sensor used; for example, when a laser radar sensor is used, the installation position is close to the projection screen 11; when video motion capture or depth sensors are used, the mounting location is further from the projection screen 11 to facilitate capture of the entire projection screen; in addition, the CAVE immersive interactive projection system of the embodiment utilizes a three-dimensional computer graphics technology to simultaneously display image content on the wall and/or ground projection device from six different angles of the CAVE cube, so as to generate an immersive virtual environment surrounded by the projection picture.

Preferably, the present embodiment can support front projection and rear projection technologies; in applying rear projection technology, the projector 22 is rotated 180 degrees in direction to project an image from the back of the projection screen 11, and the projection screen 11 includes, but is not limited to, a translucent rear projection screen.

Optionally, a server system may be provided for integrating information, sensing systems and multimedia feedback of each independent screen system, and the server system may be installed in one of the independent computer hosts or the main computer host.

Preferably, the projection screen 11 is detachably connected with the frame 12; and/or the immersive virtual reality display device is detachably connected with the main support 21. The detachable structure is adopted, so that the whole device is convenient to be independently separated, and is convenient to move, carry and store.

Optionally, the wall surface projection screen device 10 includes a plurality of screen assemblies 101, the screen assemblies 101 are connected by a hinge 102 in a folding rotation manner, and the plurality of screen assemblies 101 are rotated by the hinge 102 to form a projection screen; wherein, a curtain or a curtain plate is laid on each screen assembly 101, and when a plurality of screen assemblies 101 are rotated to each curtain by the hinge 102 to be connected left and right or up and down, a whole projection screen with larger size is formed. Of course, in other embodiments, a plurality of the screen assemblies 101 are detachably connected to form the projection screen; specifically, the screens 101 of the present embodiment are laid with curtains, and when a plurality of screen assemblies 101 are assembled, the curtains are connected to form a projection screen with a larger size.

Fig. 6 to 7 illustrate a two-part wall projection screen device 10, wherein the wall projection screen device 10 is composed of two screen components 101, the screen components 101 are connected by a hinge 102, and the screen components 101 are foldable and rotatable by the hinge 102; accordingly, the two screen assemblies 101 can be rotated to overlap or rotate to be connected left and right, and when the rotation angle between the two screen assemblies 101 reaches 180 degrees, the two screen assemblies 101 are connected left and right, so that a projection screen with a larger size is formed.

Fig. 8 to 9 illustrate a three-part wall projection screen device 10, wherein the wall projection screen device 10 is composed of three screen assemblies 101, and the screen assemblies 101 are respectively connected by hinges 102; that is, the wall projection screen device 10 of the present embodiment is a screen-like structure, and the screen components 101 can be folded to achieve a better storage function. Of course, in other embodiments, the wall projection screen device 10 may also be composed of more screen assemblies 101, and the screen assemblies 101 are detachably connected or rotatably connected in a foldable manner, so as to achieve a better storage function of the wall projection screen device 10.

The embodiment provides a movable CAVE immersive interactive projection system, so that the fixed CAVE immersive projection system is changed into a movable type, and the limitation of the original technology is thoroughly solved. The mobile CAVE immersive interactive projection system of the embodiment can be divided into parts, each independent device is small in size and provided with the rollers, and the devices can be conveniently moved to different rooms; meanwhile, each independent device is easy to recombine, complex installation is not needed, the installation cost of the CAVE is greatly reduced, and the application range of the CAVE is greatly expanded.

Fig. 10 shows a specific application example of the mobile CAVE immersive interactive projection system of the present invention, which includes a plurality of wall projection screen assemblies 10, wherein the projection screens 11 between adjacent wall projection screen assemblies 10 are connected by at least one fastener; and the splicing angle between the adjacent projection screens 11 is 0 to 180 degrees. In this embodiment, a user can splice and assemble a plurality of wall projection screen devices 10, and the user can adjust the angle of the wall projection screen devices 10 at will to combine a plurality of interactive wall projection screens into different shapes, for example, in this embodiment, a plurality of wall projection screen devices 10 are spliced to form an integrated projection screen 11, and the splicing angle between adjacent projection screens 11 is 180 degrees.

Specifically, each individual wall projection screen assembly 10 can be locked in connection with another wall projection screen assembly 10 using a fastener; preferably, different fixed angle fixtures can be provided, including, but not limited to, a wall projection screen with 90 degrees fixed angles to combine into a three-sided square, a wall projection screen with 180 degrees fixed angles to combine into a line screen, a wall projection screen with 135 degrees fixed angles to combine into a circular sector, and a wall projection screen with 60 degrees fixed angles to combine into a triangle.

Fig. 11 shows another embodiment of the present invention, which includes three wall projection screen assemblies 10 that are joined together at an angle to form a three-sided circular sector; an example of a particular application of the present invention is shown in fig. 1, and includes three wall projection screen assemblies 10 joined together at an angle to form a three-sided square. That is, the present invention can be combined into different shapes by arbitrarily adjusting the angles between the plurality of wall surface projection screen devices 10; the functions and the functions of the immersive interactive projection system are expanded by matching with different use scenes; for example, three projection walls are combined to form a trilateral square of the CAVE immersive interactive projection system; the user can combine three projection wall surfaces into a ring sector, a linear large screen or a triangle and the like according to application requirements. The present embodiment can increase or decrease the number of the wall surface projection screen devices 10 and the wall surface interactive projection devices 20 according to the requirements of the use scene, so as to combine different projection screen shapes; for example, four wall projection screen devices 10 are used to form a four-sided square of the closed CAVE immersive four-wall projection system, or a multi-screen loop fan, a multi-screen linear shape, or various polygons.

In the application of a three-wall one-ground three-side square CAVE immersive interactive projection system, the system respectively projects images on three sets of projection screens 11 through three sets of wall interactive projection devices 20, and three sensors 23 respectively capture the finger and/or body movement of a user on the screens; the system projects images on the ground through a set of ground interactive projection device, and a sensor captures body actions of a user on the ground; the system utilizes projection fusion splicing software to splice the images of the wall projection and the ground projection in a splicing manner through a computer host, so as to achieve the effect of seamless splicing of CAVE images; meanwhile, the application of the sensor enables the projection device to be converted into a large interactive system, and each projection screen 11 is converted into a large wall surface and ground touch screen; thus, with the present technology, a user can easily construct a mobile CAVE immersive interactive projection system that allows the user to transport and move CAVE to different application scenarios, such as class rooms, treatment rooms, activity rooms, exhibition halls, and the like.

The projector 22 can perform image joining by using the disclosed projection fusion joining technique through the computer host 201, so as to achieve the technical effect of CAVE seamless joining; the user can select a projector with or without stereoscopic projection vision according to actual requirements, for example, in some application scenes, the user can select the projector without the stereoscopic projection vision; although there is no stereoscopic vision, the CAVE projection system mainly uses an enclosed projection space to isolate human and real vision, only presents virtual reality images, so that the user can be completely in the immersive virtual reality.

In the application of the education field, teachers of different subjects can utilize the technology to flexibly move the CAVE immersive projection system to different classrooms, and the classroom content is displayed through the VR display mode of CAVE by combining VR software of CAVE immersive projection, so that the VR technology is better combined with the teaching of the twenty-first century. Moreover, the immersive interactive projection system supports multi-person interaction, so that the limitation that only single-person interaction is supported by wearing VR glasses in a classroom is solved. Meanwhile, the whole system can be broken into parts after being used, and the problem that the space of a fixed classroom is occupied is reduced. The school can freely combine the independent projection screen and the projection device into a fan-shaped multimedia display board or a straight large projection background on the performance stage, so that the purposes of the projection system are greatly increased, and the school can invest the multifunctional projection system more pleasantly.

In the application of rehabilitation therapy, the mobile CAVE interactive projection system of the utility model can be combined with different treatment devices, for example, in the application of multi-sensory vestibular therapy, the system can be combined with a sensory swing frame, and can be added into an interactive game, so that a rehabilitee can simulate the immersion space scene to complete the vestibular sense training task set by a therapist. For example, the mobile CAVE interactive projection system is combined with walking training equipment, so that a rehabilitation person can practice walking in a simulated real scene, the training effect is improved, and the interest of the training process is increased.

In the application of exhibition, training, shop ground, office and recreation, portable CAVE interactive projection system can temporarily move to the place that needs were used, and low cost is installed fast, lets spectator, customer and user experience immersive interactive VR space to reach more shocking, bright exhibition and show effect in the future.

In summary, the mobile CAVE immersive interactive projection system of the present invention comprises at least three mobile wall projection screen devices and at least three corresponding wall interactive projection devices, wherein each wall projection screen device comprises a frame, at least one projection screen and a first moving mechanism, the projection screen is mounted on a vertical surface of the frame, and the first moving mechanism is mounted at the bottom of the frame to realize free movement of the wall projection screen device; the projection screens of at least three groups of wall surface projection screen devices are detachably spliced to form a combined projection screen surface; wall interactive projection arrangement is including the main support and install the immersive virtual reality display device on the main support, and the main support bottom is equipped with second moving mechanism in order to realize wall interactive projection arrangement's free removal, immersive virtual reality display device are equipped with and are used for realizing projected sensor of virtual reality, computer and projector, just the projector be used for throw the image in on the combination formula projection screen. The modular structure of the utility model is endowed with the moving mechanism to realize free movement, so that the immersive virtual reality of the CAVE can be freely carried and moved to different application places, meanwhile, the installation cost and the occupied fixed area are reduced, the application range is widened, and the CAVE immersive interactive projection technology can be popularized and applied.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. A movable CAVE immersive interactive projection system is characterized by comprising at least three groups of wall surface projection screen devices and at least three groups of corresponding wall surface interactive projection devices; the wall surface projection screen device comprises a frame, at least one projection screen and a first moving mechanism, wherein the projection screen is arranged on the vertical surface of the frame, and the first moving mechanism is arranged at the bottom of the frame; the projection screens of at least three groups of the wall surface projection screen devices are detachably spliced to form a combined projection screen surface; wall interactive projection arrangement is including the main support and install immersive virtual reality display device on the main support, the main support bottom is equipped with the second moving mechanism, immersive virtual reality display device is equipped with the sensor that is used for detecting user interactive information, is used for handling interactive information's computer and be used for the basis the processing information of computer throw the image in projector on the combined type projection screen.

2. The mobile CAVE immersive interactive projection system of claim 1, wherein the main support is provided with a second base, a vertical rod and an extension support, the second moving mechanism is mounted on the bottom of the second base, the vertical rod is vertically mounted on the second base, and the extension support is provided on the top of the vertical rod and vertically distributed with the vertical rod; the projector and the sensor are mounted on the extension support, the computer host is mounted on the second base and is in communication connection with the sensor and the projector respectively.

3. The mobile CAVE immersive interactive projection system of claim 2, wherein the extension bracket is a telescopically adjustable horizontal telescoping rod and the projector is mounted at an outwardly extending end of the extension bracket; and/or

The vertical rod is a vertical telescopic rod which can be adjusted in a telescopic mode.

4. The mobile CAVE immersive interactive projection system of claim 2, wherein a case is mounted on the second base, wherein at least one shutter is disposed on the case, and wherein the computer host is embedded in the case; and/or

The computer host is connected with the computer through a computer interface, and the computer host is connected with the computer through a computer interface; and/or

And a second counterweight part is arranged on the other side of the second base, which is opposite to the extending support.

5. The mobile CAVE immersive interactive projection system of claim 1, wherein the wall projection screen assembly further comprises a first base, the frame is vertically mounted on the first base, the first moving mechanism is mounted on a bottom of the first base, and the first base is provided with a first weight.

6. The mobile CAVE immersive interactive projection system of claim 1, wherein the projection screens between adjacent wall projection screen units are joined by at least one fastener; the splicing angle between the adjacent projection screens is 0-180 degrees; and/or

The combined projection screen is in a multi-screen loop-back fan-shaped structure or a multi-screen linear structure or a multi-screen polygonal structure.

7. The mobile CAVE immersive interactive projection system of claim 1, wherein the wall projection screen assembly comprises a plurality of screen assemblies, and wherein the plurality of screen assemblies are detachably connected to form the projection screen; and/or

The screen components are connected in a folding type rotating mode through hinge pieces, and the screen components rotate to form the projection screen through the hinge pieces.

8. The mobile CAVE immersive interactive projection system of claim 1, wherein the projector is an ultra-short-focus projector; and/or

The sensor is a laser radar sensor or a camera or a depth sensor or a body movement sensor.

9. The mobile CAVE immersive interactive projection system of claim 1, wherein the projection screen is removably connected to the frame; and/or

Immersive virtual reality display device with be detachable connection between the main support.

10. The mobile CAVE immersive interactive projection system of any of claims 1 to 9, further comprising a ground interactive projection device, wherein the ground interactive projection device comprises a ground projector for projecting an image onto the ground.

Images