CN112859501B

CN112859501B - Interactive projection system for full-sense multimedia exhibition

Info

Publication number: CN112859501B
Application number: CN202011628248.4A
Authority: CN
Inventors: 田刚; 李树振; 张慧平; 李贤伟
Original assignee: Shandong Baite Exhibition Engineering Co ltd
Current assignee: Shandong Baite Exhibition Engineering Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-04-01
Anticipated expiration: 2040-12-31
Also published as: CN112859501A

Abstract

The utility model relates to an interactive projection system for full sense organ multimedia exhibition is old, it includes projection equipment, capture equipment and information terminal, information terminal turns into the figure with information and forms images through projection equipment, capture equipment is used for catching human action and forms feedback signal transmission to information terminal, projection equipment includes projection body, reflector group, branch screen subassembly and semi-transparent curtain, divide the screen subassembly to be used for dividing the image that the projection body throws into two the same images, reflector group is used for shining the surface that semi-transparent curtain carried on the back mutually respectively with two images that divide the screen subassembly to fall into, the image that semi-transparent curtain carried on the back surface mutually uses the semi-transparent curtain to personally submit the symmetry setting for the symmetry. The method and the device have the effect of relieving the problem that the projected image is incomplete due to the shadow.

Description

Interactive projection system for full-sense multimedia exhibition

Technical Field

The application relates to the field of projection equipment, in particular to an interactive projection system for full-sense multimedia exhibition.

Background

With the development of multimedia technology, the exhibition and display mode is greatly changed. The full-sense multimedia exhibition technology is a brand-new exhibition technology, breaks through the information transmission of single sound and images before, enables touch and smell of people to participate in the information transmission, and realizes man-machine interactive information exchange. Therefore, the man-machine interaction device is one of the core technologies in the full-sense multimedia exhibition technology.

At present, the invention patent application with publication number CN1746831 discloses an interactive projection system, which includes a projector, a screen, an information terminal, and a video capture device. The information terminal projects information to a screen through the projector, captures human actions through the video capture device, converts the actions into feedback signals and transmits the feedback signals to the information terminal for processing, and different information is output through the projector according to different feedback signals, so that man-machine interaction is realized.

In view of the above-mentioned related art, the inventor believes that when a person approaches the screen, the person blocks the light emitted by the projector and shadows appear on the screen, so that the interactive projection system has a problem that the projected image is not complete due to the shadow.

Disclosure of Invention

In order to alleviate the problem of incomplete projected images due to human shadows, the application provides an interactive projection system for full-sense multimedia exhibition.

The application provides an interactive projection system for full sense organ multimedia exhibition is old, adopts following technical scheme:

the utility model provides an interactive projection system for full sense organ multimedia exhibition is old and useless, includes projection equipment, catching equipment and information terminal, information terminal turns into the figure and forms images through projection equipment with information, catching equipment is used for catching human action and forms feedback signal transmission to information terminal, projection equipment includes projection body, reflector group, divides screen subassembly and semi-transparent curtain, divide the screen subassembly to be used for dividing the image that the projection body throws into two same images, reflector group is used for shining the surface that semi-transparent curtain carried on the back mutually respectively with two images that divide the screen subassembly to fall into, semi-transparent curtain carried on the back the surface the image that is with semi-transparent curtain carried on the back and personally submits the symmetry setting for the symmetry.

By adopting the technical scheme, the screen splitting assembly is divided into two identical images, the two images on the action line of the reflector group are imaged on the back surfaces of the semi-transparent curtains respectively, and the two images are symmetrically arranged by taking the semi-transparent curtains as the symmetrical surfaces. When a person blocks an image, the person can pass through the image behind the semi-transparent curtain, so that even if the semi-transparent curtain has a shadow, the person can see the content blocked by the shadow in the semi-transparent curtain, and the problem of incomplete projected image caused by the shadow is solved.

Optionally, the split screen subassembly includes driving motor, driving motor's the coaxial fixedly connected with carousel of main shaft, a plurality of reflectors of carousel edge fixedly connected with, it is a plurality of the reflector along carousel circumference evenly distributed, adjacent two interval between the reflector equals the reflector along the width of carousel circumference, projection body projection light aims at the carousel edge, the image that projection body projection light passed the projection production in clearance between the reflector is first like, projection body projection light shines the image that produces in the reflector and is the second like.

By adopting the technical scheme, when the turntable rotates, the projection light of the projection body in partial time passes through the gap between the reflectors, and the projection light of the projection body in partial time irradiates on the reflectors, so that a first image and a second image are formed.

Optionally, the product of the number of the reflectors and the number of turns of the turntable per second is greater than 50.

By adopting the technical scheme, the frequency of the flickering of the first image and the second image is greater than 50 Hz, so that the first image and the second image are continuous in picture, and the watching experience is improved.

Optionally, the projection body includes a housing, and the housing is provided with a first opening through which the first image passes and a second opening through which the second image passes.

Through adopting above-mentioned technical scheme, utilize the casing to protect the projection body, reduce the possibility of the damage of projection body.

Optionally, the housing is provided with a first focus lens and a second focus lens, the first focus lens is disposed in the first opening, and the second focus lens is disposed in the second opening.

By adopting the technical scheme, the first focusing lens is used for focusing the first image, and the second focusing lens is used for focusing the second image, so that the definition of the first image and the definition of the second image are improved.

Optionally, the split screen assembly further comprises a rotating plate rotatably connected with the housing, the driving motor is fixedly connected to the rotating plate, and a main shaft of the driving motor is perpendicular to a rotating axis of the rotating plate.

By adopting the technical scheme, the rotating plate is rotated to enable the driving motor and the turntable to deflect, so that the reflector cannot block the projection light of the projection body, and the second image is eliminated. The user selects to use only the first image, or to use both the first image and the second image, as desired.

Optionally, one end of the rotating plate, which is far away from the rotating axis, is fixedly connected with an arc plate, the arc plate uses the rotating axis of the rotating plate as a circle center, one end of the arc plate, which is far away from the rotating plate, is provided with turbine teeth, the shell is rotatably connected with a worm, and the worm is meshed with the turbine teeth.

Through adopting above-mentioned technical scheme, rotate the worm, rotate with the arc of worm meshing to make the rotor plate rotate, more convenient rotation rotor plate.

Optionally, the position where the driving motor is abutted against the rotating plate is fixedly connected with a shock pad.

By adopting the technical scheme, the influence of vibration in the working process of the driving motor on the projection body is reduced, the vibration of the projection equipment is reduced, and the quality of a projection graph is improved.

Optionally, one end of the worm penetrates through the side wall of the housing and extends out of the housing, and a knob is fixedly connected to one end of the worm extending to the housing.

Through adopting above-mentioned technical scheme, utilize the knob to rotate the worm, further conveniently rotate the rotor plate.

Optionally, the mirror group includes a first mirror for reflecting the first image to the surface of the semi-transparent curtain and a second mirror for reflecting the second image to the surface of the semi-transparent curtain, and the semi-transparent curtain is located between the first mirror and the second mirror.

Through adopting above-mentioned technical scheme, utilize first reflector and second reflector to reflect first image and second image in semi-transparent curtain, simple structure, simple to operate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the projection equipment comprises a projection body, a reflector group, a screen separating component and a semi-transparent curtain, wherein the image projected by the projection body is divided into two same images by the screen separating component, the two images on the action line of the reflector group are imaged on the surface of the semi-transparent curtain back to back respectively, and the two images are symmetrically arranged by taking the semi-transparent curtain as a symmetrical surface. When a person blocks an image, the person can pass through the image behind the semi-transparent curtain, so that even if the semi-transparent curtain has a shadow, the person can see the content blocked by the shadow in the semi-transparent curtain, and the problem of incomplete projected image caused by the shadow is solved.

2. The split screen assembly comprises a driving motor and a turntable which is coaxially and fixedly connected to a main shaft of the driving motor, when the turntable rotates, projection light of the projection body in part of time passes through a gap between the reflectors, and the projection light of the projection body in part of time irradiates on the reflectors, so that a first image and a second image are formed.

3. The shell is provided with a first focusing lens and a second focusing lens, the first focusing lens is used for focusing a first image, the second focusing lens is used for focusing a second image, and the definition of the first image and the definition of the second image are improved.

Drawings

Fig. 1 is a schematic structural diagram illustrating an interactive projection system according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram for showing a split screen assembly according to an embodiment of the present application.

Fig. 3 is a schematic sectional view for showing a worm according to an embodiment of the present application.

Description of reference numerals: 100. a projection device; 101. a capture device; 102. an information terminal; 103. a housing; 104. a projection body; 105. a reflector group; 106. a split screen assembly; 107. a semi-transparent curtain; 108. a first opening; 109. a second opening; 110. a first focus lens; 111. a second focus lens; 112. a drive motor; 113. a turntable; 114. a reflector; 115. a rotating plate; 116. a shock pad; 117. an arc-shaped plate; 118. a worm; 119. a knob; 120. a first reflective mirror; 121. a second reflective mirror.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an interactive projection system for full-sense multimedia exhibition, and referring to fig. 1, the interactive projection system comprises a projection device 100, a capture device 101 and an information terminal 102. The projection device 100 and the capture device 101 are each electrically connected to an information terminal 102. The information terminal 102 converts the information into a graphic and projects the image through the projection device 100. The capturing device 101 is used for capturing the motion of the human body and forming a feedback signal to be transmitted to the information terminal 102, and different pictures are played by the projection device 100 according to different feedback signals.

Referring to fig. 1 and 2, the projection apparatus 100 includes a housing 103, a projection body 104, a mirror group 105, a split screen assembly 106, and a semi-transmissive curtain 107. The split screen assembly 106 and the projection body 104 are both mounted within the housing 103. The information terminal 102 projects an image by using the projection main body 104. The split screen assembly 106 splits the image projected by the projection body 104 into two identical images, namely a first image and a second image. The mirror array 105 projects both images onto the surface of the semi-transparent curtain 107. An image is provided on both opposite sides of the semi-transparent curtain 107. The image on the opposite surface of the semi-transparent curtain 107 is symmetrically arranged with the semi-transparent curtain 107 as a symmetry plane. When a person is blocking an image, the person can see the image behind through the semi-transparent curtain 107, so that even if the semi-transparent curtain 107 has a shadow, the person can see the content blocked by the shadow in the semi-transparent curtain 107, and the problem of incomplete projected image caused by the shadow is solved.

Referring to fig. 1, the mirror group 105 includes a first reflective mirror 120 and a second reflective mirror 121. The first reflective mirror 120 and the second reflective mirror 121 may be fixedly attached to the ceiling of the room. The semi-transparent curtain 107 and the housing 103 are both between the first reflective mirror 120 and the second reflective mirror 121. The first image irradiated by the projection body 104 is projected on the first reflective mirror 120, and the first reflective mirror 120 reflects the first image onto the surface of the semi-transparent curtain 107. The second image irradiated by the projection main body 104 is projected on the second reflective mirror 121, and the second image is reflected to the surface of the semi-transparent curtain 107.

Referring to fig. 2, the housing 103 is opened with a first opening 108 through which the first image passes and a second opening 109 through which the second image passes. The first opening 108 opens at a side wall which can be vertical to the housing 103. The housing 103 mounts a first focus lens 110, and the first focus lens 110 is disposed in the first opening 108. The first focusing lens 110 is used for focusing the first image, so that the definition of the first image is improved

Referring to fig. 2, the second opening 109 opens at a horizontal bottom wall of the housing 103. The housing 103 is mounted with a second focus lens 111, and the second focus lens 111 is disposed at the second focus lens 111. The second focusing lens 111 is used for focusing the second image, so that the definition of the second image is improved.

Referring to fig. 2, the projection main body 104 is fixedly connected to the housing 103, and includes a light source and a liquid crystal panel, the information terminal 102 presents an image to be presented on the liquid crystal panel, and the light source irradiates the liquid crystal panel and penetrates the liquid crystal panel to project the image presented on the liquid crystal panel.

Referring to fig. 2, the split screen assembly 106 includes a drive motor 112 and a turntable 113. The main shaft of the driving motor 112 is coaxially and fixedly connected with the turntable 113, the edge of the turntable 113 is fixedly connected with a plurality of light reflecting plates 114, the plurality of light reflecting plates 114 are uniformly distributed along the circumferential direction of the turntable 113, and the distance between two adjacent light reflecting plates 114 is equal to the width of the light reflecting plates 114 along the circumferential direction of the turntable 113. The product of the number of the reflective plates 114 and the number of rotations per second of the turntable 113 is more than 50.

Referring to fig. 2, the angle between the projection light of the projection main body 104 and the normal of the turntable 113 is an acute angle. The projection body 104 projects light directed at the edge of the turntable 113. When the driving motor 112 drives the turntable 113 to rotate, the projection light of the projection body 104 passes through the gap between the reflective plates 114 for a part of time, and the projection light of the projection body 104 irradiates on the reflective plates 114 for a part of time, so that a first image and a second image are formed. The projection body 104 projects an image generated by light passing through the gap between the reflectors 114 to form a first image, and the projection body 104 projects the light to irradiate the reflectors 114 to form a second image. When the product of the number of the reflectors 114 and the number of turns of the rotating disc 113 per second is greater than 50, the frequency of the first image and the second image flickering is greater than 50 Hz, so that the first image and the second image are continuous in picture, and the viewing experience is improved.

Referring to fig. 2, the housing 103 is rotatably coupled to a rotating plate 115, and the driving motor 112 is fixedly coupled to the rotating plate 115. The main shaft of the driving motor 112 is perpendicular to the rotation axis of the rotation plate 115. A shock absorbing pad 116 is fixedly connected to a position where the driving motor 112 abuts against the rotating plate 115. One end of the rotating plate 115, which is far away from the rotating axis, is fixedly connected with an arc-shaped plate 117, the arc-shaped plate 117 takes the rotating axis of the rotating plate 115 as a circle center, and one end of the arc-shaped plate 117, which is far away from the rotating plate 115, is provided with turbine teeth. The housing 103 is vertically and rotatably connected with a worm 118, one end of the worm 118 is meshed with the turbine teeth, and the other end of the worm 118 penetrates through the side wall of the housing 103 and extends out of the housing 103. A knob 119 is fixedly connected to one end of the worm 118 extending to the housing 103.

Referring to fig. 3, when the worm 118 is rotated by the knob 119, the arc plate 117 engaged with the worm 118 rotates, so that the rotating plate 115 rotates, the driving motor 112 and the turntable 113 deflect, and the reflection plate 114 cannot block the projection light of the projection body 104, thereby eliminating the second image. The user selects to use only the first image, or to use both the first image and the second image, as desired.

The implementation principle of the interactive projection system for the full-sense multimedia exhibition is as follows: the split screen assembly 106 splits the image projected by the projection main body 104 into two identical images, the two images are respectively imaged on the opposite surfaces of the semi-transparent curtain 107 on the action line of the mirror group 105, and the two images are symmetrically arranged with the semi-transparent curtain 107 as a symmetrical surface. When a person blocks an image, the person can pass through the image behind the semi-transparent curtain 107, so that even if the semi-transparent curtain 107 has a shadow, the person can see the content blocked by the shadow in the semi-transparent curtain 107, and the problem of incomplete projected image caused by the shadow is solved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An interactive projection system for full-sense multimedia exhibition, characterized in that: the projection device comprises a projection device (100), a capture device (101) and an information terminal (102), wherein the information terminal (102) converts information into graphs and images through the projection device (100), the capture device (101) is used for capturing the motion of a human body and forming a feedback signal to be transmitted to the information terminal (102), the projection device (100) comprises a projection body (104), a reflector set (105), a split screen assembly (106) and a semi-transparent curtain (107), the split screen assembly (106) is used for splitting the image projected by the projection body (104) into two identical images, the reflector set (105) is used for respectively irradiating the two images split by the split screen assembly (106) on the opposite surfaces of the semi-transparent curtain (107), and the images displayed on the opposite surfaces of the semi-transparent curtain (107) are symmetrically arranged by taking the semi-transparent curtain (107) as a symmetrical plane; divide screen subassembly (106) including driving motor (112), the coaxial fixedly connected with carousel (113) of main shaft of driving motor (112), carousel (113) edge fixedly connected with a plurality of reflector panels (114), it is a plurality of reflector panel (114) are along carousel (113) circumference evenly distributed, adjacent two interval between reflector panel (114) equals reflector panel (114) along the width of carousel (113) circumference, carousel (113) edge is aimed at to projection body (104) projection light, the image that projection body (104) projection light passed the projection production in clearance between reflector panel (114) is first like, projection body (104) projection light shines the image that produces in reflector panel (114) and is the second like.

2. The interactive projection system for full-sensory multimedia presentations as claimed in claim 1, wherein: the product of the number of the reflectors (114) and the number of turns of the rotating disc (113) per second is more than 50.

3. The interactive projection system for full-sensory multimedia presentations as claimed in claim 1, wherein: the projection body (104) comprises a shell (103), and the shell (103) is provided with a first opening (108) for the first image to pass through and a second opening (109) for the second image to pass through.

4. The interactive projection system for full-sensory multimedia presentations as claimed in claim 3, wherein: the shell (103) is provided with a first focusing lens (110) and a second focusing lens (111), the first focusing lens (110) is arranged in the first opening (108), and the second focusing lens (111) is arranged in the second opening (109).

5. The interactive projection system for full-sensory multimedia presentations as claimed in claim 1, wherein: the split screen assembly (106) further comprises a rotating plate (115) rotatably connected with the shell (103), the driving motor (112) is fixedly connected to the rotating plate (115), and a main shaft of the driving motor (112) is perpendicular to a rotating axis of the rotating plate (115).

6. The interactive projection system for full-sensory multimedia presentations as claimed in claim 5, wherein: one end of the rotating plate (115) far away from the rotating axis is fixedly connected with an arc-shaped plate (117), the arc-shaped plate (117) uses the rotating axis of the rotating plate (115) as a circle center, one end of the arc-shaped plate (117) far away from the rotating plate (115) is provided with turbine teeth, the shell (103) is rotatably connected with a worm (118), and the worm (118) is meshed with the turbine teeth.

7. The interactive projection system for full-sensory multimedia presentations of claim 6, wherein: and a shock absorption pad (116) is fixedly connected to the position where the driving motor (112) is abutted against the rotating plate (115).

8. The interactive projection system for full-sensory multimedia presentations of claim 6, wherein: one end of the worm (118) penetrates through the side wall of the shell (103) and extends out of the shell (103), and one end of the worm (118) extending to the shell (103) is fixedly connected with a knob (119).

9. The interactive projection system for full-sensory multimedia presentations as claimed in claim 1, wherein: the mirror group (105) comprises a first mirror (120) for reflecting the first image to the surface of the semi-light-permeable curtain (107) and a second mirror (121) for reflecting the second image to the surface of the semi-light-permeable curtain (107), wherein the semi-light-permeable curtain (107) is positioned between the first mirror (120) and the second mirror (121).