CN115633152B

CN115633152B - Remote video holographic projection system

Info

Publication number: CN115633152B
Application number: CN202211629154.8A
Authority: CN
Inventors: 王正; 陈丽颖
Original assignee: Harbin University
Current assignee: Harbin University
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-07
Anticipated expiration: 2042-12-19
Also published as: CN115633152A

Abstract

The invention discloses a remote video holographic projection system, which belongs to the technical field of holographic projection and comprises a conference host end, a server and a plurality of conference receiving ends, wherein the conference host end comprises a conference host station, an audience station and a first information station, a host tool and a first image pickup unit are arranged in the conference host station, a plurality of first projection units are arranged in the audience station, the first projection units are respectively in one-to-one correspondence with the conference receiving ends, the first image pickup unit and the first projection unit are in physical connection or network connection with the first information station, and the conference receiving end comprises a conference recording station, a virtual conference host station and a second information station.

Description

Remote video holographic projection system

Technical Field

The invention relates to the technical field of holographic projection, in particular to a remote video holographic projection system.

Background

The teleconference is a novel conference communication mode, namely that a conference host and listeners participating in the conference are in a relatively separated state in the whole process of the conference, and under the current condition, along with the development of the times, the demand on the teleconference is correspondingly increased;

for example, the chinese patent with the publication number CN110233841B, the granted number is CN110233841B, a system and a method for remote education data interaction based on AR holographic glasses have the advantages of liberating both hands of conference participants, real-time communication among many people, etc., but need to assist through AR holographic glasses, a user always needs to wear AR holographic glasses in the recording process, when the user wears the AR holographic glasses on the eyes, the sight line is blocked, and the presiding appliances and recording appliances (such as books, notebooks, etc.) in reality cannot be used well, and in the presiding process, the interaction that can be performed between the presiding person and the conference participants is less, thereby resulting in poor conference interaction experience among the conference participants.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a remote video holographic projection system which can realize that a meeting room environment is simulated through holographic projection, so that meeting participants have more interactive meeting experience.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A remote video holographic projection system comprises a conference host end, a server and a plurality of conference receiving ends, wherein the conference host end comprises a conference host station, an audience station and a first information station, a host tool and a first image pickup unit are arranged in the conference host station, a plurality of first projection units are arranged in the audience station, the first projection units are respectively in one-to-one correspondence with the conference receiving ends, and the first image pickup unit and the first projection unit are both in physical connection or network connection with the first information station; furthermore, virtual student's station is inside to be provided with the chassis, and is a plurality of first projection unit all assembles at the chassis upside.

The conference receiving end comprises a conference recording station, a virtual conference host station and a second information station, a recording tool and a second image pickup unit are arranged in the conference recording station, a second projection unit is arranged in the virtual conference host station, and the second image pickup unit and the second projection unit are both in physical connection or network connection with the second information station;

the first information station and the second information station are connected with a server through a network;

an underframe is arranged in the audience station, and the first projection units are all assembled on the upper side of the underframe;

the upper side of the underframe is provided with a plurality of positioning pins in a rectangular array, the lower side of the first projection unit is fixedly connected with four support legs matched with the positioning pins, the support legs are arranged on the outer sides of the positioning pins, and an electric connection assembly is arranged between the positioning pins and the support legs;

the power connection assembly comprises a fixed power connection piece and a movable power connection piece, the fixed power connection piece is fixedly connected to the upper side of the positioning pin and is electrically connected with an external power supply, the movable power connection piece is vertically and slidably connected to the inside of the supporting leg, the movable power connection piece is electrically connected with the first projection unit, a return spring is arranged inside the supporting leg and on the upper side of the movable power connection piece, and an anti-falling assembly is arranged between the positioning pin and the supporting leg;

anti-drop subassembly is including rotating the rotation circle of connection in the stabilizer blade outside, the downside fixedly connected with who rotates the circle extends to the locking tooth of stabilizer blade downside, the locking tooth is kept away from the one end of rotating the circle and is the locking end, four guide ways that are the annular array are seted up in the outside of location foot, the locking end and the guide way sliding connection of locking tooth, the locking groove that communicates with the guide way is seted up to the lower part in the location foot outside.

Further, it is a plurality of the outer tooth ring of the equal fixedly connected with in outside of rotation circle, it is a plurality of the outside of external toothing ring gear is equipped with annular turntable, annular turntable's internal assembly has the internal toothing ring gear of being connected with the meshing of outer tooth ring gear, and at this moment, can rotate through rotating annular turntable through a plurality of outer tooth rings of the synchronous drive of internal toothing ring gear, make a plurality of rotation circles rotate in step.

Further, a trigger plate is fixedly connected to the annular turntable, a first locking block and a second locking block are fixedly connected to the outer side of the first projection unit, the trigger plate is located between the first locking block and the second locking block, and an included angle between the first locking block and the second locking block is half of an included angle between the two guide grooves.

Furthermore, a first magnetic block is fixedly connected to the trigger plate, locking magnets are fixedly connected to the first locking block and the second locking block, and the two locking magnets are magnetically attracted to the first magnetic block.

Furthermore, the conference host side comprises a first compartment, a sliding door is arranged on the first compartment, the conference receiving end comprises a second compartment, and the second compartment is also provided with the sliding door.

Furthermore, a first light-shielding plate is fixedly connected to the upper side inside the first compartment, two spaces separated by the first light-shielding plate inside the first compartment are a conference host station and an audience station respectively, a first lamp is assembled at the upper end inside the conference host station, a second lamp is assembled at the upper end inside the audience station, the lower portion of the first light-shielding plate is bent towards one side far away from the audience station, and a light-absorbing layer is arranged on the inner wall of the conference host station;

the utility model discloses a virtual meeting host station, including first compartment, second compartment, first room, second room, third room, fourth room, the upside fixedly connected with second of second compartment inside separates the worn-out fur, the inside two spaces that separate through the second separation worn-out fur of second compartment are meeting record station and virtual meeting host station respectively, the inside upper end of meeting record station is equipped with third lamps and lanterns, the inside upper end of virtual meeting host station is equipped with fourth lamps and lanterns, the second separates the lower part of worn-out fur and is crooked towards one side of keeping away from virtual meeting host station, just be provided with the light-absorbing layer on the inner wall of meeting record station.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

this scheme is through the conference host end, the structure setting of server and conference receiving terminal, can be inside the conference host end simulate out the meeting environment through holographic projection, let the host can be in the in-process of hosting better to the meeting participant's meeting participation developments observe, and can show the host process of host through holographic projection inside the conference receiving terminal, let the meeting participant can possess better meeting interactive experience, thereby can be through the conference host end, the meeting room environment is simulated out to server and conference receiving terminal, let the host possess better meeting interactive experience, let the meeting participant possess better record experience.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic view of a cut-away structure of a conference host end according to the present invention;

FIG. 4 is a block diagram of the chassis and first projection unit of the present invention;

FIG. 5 is a schematic view of a connection structure between a chassis and a first projection unit according to the present invention;

FIG. 6 is a schematic view of a partial connection structure of the present invention;

FIG. 7 is a schematic view of the internal structure of the stand bar of the present invention;

FIG. 8 is a schematic structural view of a positioning leg according to the present invention;

fig. 9 is a schematic view of a cross-section structure of the conference receiving end of the present invention.

The reference numbers in the figures illustrate:

1. a conference host end; 11. a conference host station; 12. an audience station; 101. a first compartment; 102. a first light-shielding plate; 103. a first lamp; 104. a second light fixture; 105. a hosting appliance; 106. a first image pickup unit; 107. a chassis; 108. a first projection unit; 109. a positioning leg; 110. a support leg; 111. fixing the electric connecting piece; 112. the movable electric connecting piece; 113. a return spring; 114. rotating the ring; 115. a locking tooth; 116. a guide groove; 117. a locking groove; 118. the gear ring is externally meshed; 119. an annular turntable; 120. the inner gear ring is meshed; 121. a trigger plate; 122. a first magnetic block; 123. a first locking block; 124. a second locking block; 2. a server; 3. a conference receiving end; 31. a conference recording station; 32. a virtual conference host station; 301. a second compartment; 302. a second light-shielding plate; 303. a third light fixture; 304. a fourth light fixture; 305. a recording appliance; 306. a second image pickup unit; 307. a second projection unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-9, a remote video holographic projection system includes a conference host 1, a server 2 and a plurality of conference receivers 3;

the conference host end 1 is used by a host, can pick up an image of the host and projects the image of conference participants;

the conference receiving end 3 is used by conference participants, can pick up images of the conference participants, and projects the images of the host.

The core of the technical scheme is that a conference host end 1 comprises two areas, namely a conference host station 11 and an audience station 12, and further comprises a first information station, a host tool 105 and a first image pickup unit 106 are arranged in the conference host station 11, a host can host in the area of the conference host station 11 through the host tool 105, meanwhile, the host process of the host is picked up through the first image pickup unit 106, a plurality of first projection units 108 are arranged in the audience station 12, the first projection units 108 are respectively in one-to-one correspondence with a plurality of conference receiving ends 3, the actions of conference participants can be projected through the first projection units 108, the first image pickup units 106 and the first projection units 108 are both in physical connection or network connection with the first information station, the positions of the first projection units 108 can be arranged according to the positions of the conference participants in a conference room, so that a real environment can be better simulated in the conference end 1, the holographic projection can be used when watching holographic projection, interaction teaching aids capable of being carried out between the host and the conference participants are increased, and conference users can have better interaction.

The conference receiving end 3 comprises two areas, namely a conference recording station 31 and a virtual conference host station 32, and further comprises a second information station, wherein a recording tool 305 and a second image pickup unit 306 are arranged in the conference recording station 31, and the second image pickup unit 306 and a second projection unit 307 are both in physical connection or network connection with the second information station;

conference participants can record in the area of the conference recording station 31 through the recording tool 305, meanwhile, the recording process of the conference participants is picked up through the second image pickup unit 306, the recording process of the conference participants is projected in the area of the audience station 12 through the first projection unit 108, and the second projection unit 307 is arranged in the virtual conference host station 32 and used for projecting the host process of a host.

The first information station and the second information station both establish network connection with the server 2.

In conclusion, in this embodiment, through the structure setting of the conference host end 1, the server 2 and the conference receiving end 3, the conference environment can be simulated through holographic projection in the conference host end 1, the host can better observe the conference participation dynamics of the conference participants in the host process, and the host process of the host can be displayed through holographic projection in the conference receiving end 3, the conference participants can have better conference interaction experience, thereby the conference room environment can be simulated through the conference host end 1, the server 2 and the conference receiving end 3, the host has better conference interaction experience, the conference participants have better recording experience, the scheme can be applied to a plurality of fields such as remote education, conferences, and relatives and friends video.

Example 2:

referring to fig. 3-4, the embodiment further discloses a specific structure of the conference host 1 on the basis of embodiment 1, and specifically, a bottom frame 107 is disposed inside the audience work station 12, and a plurality of first projection units 108 are all mounted on the upper side of the bottom frame 107, so that the positions and the number of the first projection units 108 can be adjusted on the bottom frame 107 according to the user's requirements, so as to adapt to different arrangement combinations of conference participants with different numbers;

referring to fig. 4, a connection manner between the bottom chassis 107 and the first projection unit 108 is disclosed, a plurality of positioning pins 109 in a rectangular array are disposed on an upper side of the bottom chassis 107, four support legs 110 adapted to the positioning pins 109 are fixedly connected to a lower side of the first projection unit 108, the support legs 110 are mountable on an outer side of the positioning pins 109, at this time, the first projection unit 108 can be mounted on any position on the upper side of the bottom chassis 107 through the support legs 110, and then fixed by the support legs 110, and an electrical connection assembly is disposed between the positioning pins 109 and the support legs 110;

specifically, as shown in fig. 5 and 7, in order to reduce the poor contact phenomenon occurring in the first projection unit 108, the specific structure of the electrical connection assembly is improved in the present technical solution, the electrical connection assembly includes a fixed electrical connection piece 111 and a movable electrical connection piece 112, the fixed electrical connection piece 111 is fixedly connected to the upper side of the positioning pin 109, the fixed electrical connection piece 111 is electrically connected to an external power source, the movable electrical connection piece 112 is vertically and slidably connected to the inside of the supporting leg 110, the movable electrical connection piece 112 is electrically connected to the first projection unit 108, and a return spring 113 is installed inside the supporting leg 110 and on the upper side of the movable electrical connection piece 112, at this time, under the elastic force of the return spring 113, the fixed electrical connection piece 111 and the movable electrical connection piece 112 are always abutted against each other, so as to reduce the poor contact phenomenon occurring between the fixed electrical connection piece 111 and the movable electrical connection piece 112.

Referring to fig. 5-8, in order to prevent the first projection unit 108 from being lifted by the return spring 113 and falling off, an anti-falling assembly is disposed between the positioning leg 109 and the supporting leg 110, the anti-falling assembly includes a rotating ring 114 rotatably connected to the outer side of the supporting leg 110, a locking tooth 115 extending to the lower side of the supporting leg 110 is fixedly connected to the lower side of the rotating ring 114, one end of the locking tooth 115 away from the rotating ring 114 is a locking end, four guide grooves 116 in an annular array are formed in the outer side of the positioning leg 109, a locking end of the locking tooth 115 is slidably connected to the guide grooves 116, and can be vertically slidably connected to the inside of the guide grooves 116, a locking groove 117 communicating with the guide grooves 116 is formed in the lower portion of the outer side of the positioning leg 109, and the locking end of the locking tooth 115 is locked when moving to the inside of the locking groove 117, so as to prevent the first projection unit 108 from falling off.

Referring to fig. 5-7, in order to adjust the plurality of locking teeth 115 synchronously, the outer teeth rings 118 are fixedly connected to the outer sides of the plurality of rotating rings 114, the outer sides of the plurality of externally toothed gear rings 118 are provided with annular turntables 119, and the inner parts of the annular turntables 119 are provided with internally toothed gear rings 120 engaged with the externally toothed gear rings 118, so that the plurality of externally toothed gear rings 118 can be synchronously driven to rotate by rotating the annular turntables 119 through the internally toothed gear rings 120, and the plurality of rotating rings 114 can be synchronously rotated.

And, for simpler adjustment of the locking teeth 115, a trigger plate 121 is fixedly connected to the annular turntable 119, a first locking block 123 and a second locking block 124 are fixedly connected to the outer side of the first projection unit 108, the trigger plate 121 is located between the first locking block 123 and the second locking block 124, an included angle between the first locking block 123 and the second locking block 124 is half of an included angle between the two guide grooves 116, namely, 45 °, at this time, when the trigger plate 121 and the first locking block 123 abut against each other, the locking teeth 115 are located inside the guide grooves 116, and when the trigger plate 121 and the second locking block 124 abut against each other, the locking teeth 115 are located in the middle position inside the locking grooves 117, so as to complete locking.

In addition, in order to avoid the loosening phenomenon of the trigger plate 121, the first magnetic block 122 is fixedly connected to the trigger plate 121, the first locking block 123 and the second locking block 124 are both fixedly connected with locking magnets, the two locking magnets are magnetically attracted to the first magnetic block 122, and when the trigger plate 121 abuts against the first locking block 123 or the second locking block 124, the locking magnets can be locked by magnetic force between the locking magnets and the first magnetic block 122.

Example 3:

referring to fig. 1-3 and fig. 9, the embodiment further discloses a specific structure of the conference host 1 and the server 2 based on the above embodiment, specifically, the conference host 1 includes a first compartment 101, a sliding door is disposed on the first compartment 101, the conference receiving end 3 includes a second compartment 301, and the sliding door is also disposed on the second compartment 301, and when the sliding door is closed, a sealed compartment is formed to isolate the transmission of sound, thereby reducing the interference of the external environment to the user, and allowing the conference participants to host and record at home.

In order to reduce the influence of light, a first light-shielding plate 102 is fixedly connected to the upper side inside the first compartment 101, two spaces separated by the first light-shielding plate 102 inside the first compartment 101 are a conference host station 11 and an audience station 12 respectively, a first lamp 103 is assembled at the upper end inside the conference host station 11, a second lamp 104 is assembled at the upper end inside the audience station 12, the light intensity of the first lamp 103 is higher than that of the second lamp 104, the requirements of the conference host station 11 and the audience station 12 are met respectively, in addition, in order to avoid the light of the first lamp 103 from entering the audience station 12 as much as possible, the lower part of the first light-shielding plate 102 is bent towards one side far away from the audience station 12, the light of the first lamp 103 can be refracted, and a light-absorbing layer is arranged on the inner wall of the conference host station 11 to absorb the light of the first lamp 103;

the upper side of the inside of the second compartment 301 is fixedly connected with a second light-insulating plate 302, two spaces separated by the second light-insulating plate 302 in the second compartment 301 are respectively a conference recording station 31 and a virtual conference host station 32, the upper end of the inside of the conference recording station 31 is provided with a third lamp 303, the upper end of the inside of the virtual conference host station 32 is provided with a fourth lamp 304, the light intensity of the third lamp 303 is higher than that of the fourth lamp 304, the requirements of the conference recording station 31 and the virtual conference host station 32 are met respectively, in addition, in order to avoid the light of the third lamp 303 to enter the inside of the virtual conference station 32 as much as possible, the lower part of the second light-insulating plate 302 is bent towards one side far away from the virtual conference host station 32, the light of the third lamp 303 can be refracted, and a light-absorbing layer is arranged on the inner wall of the conference recording station 31, and the light of the third lamp 303 is absorbed.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A remote video holographic projection system comprises a conference host end (1), a server (2) and a plurality of conference receiving ends (3), and is characterized in that: the conference host end (1) comprises a conference host station (11), an audience station (12) and a first information station, a host tool (105) and a first image pickup unit (106) are arranged in the conference host station (11), a plurality of first projection units (108) are arranged in the audience station (12), the first projection units (108) are respectively in one-to-one correspondence with a plurality of conference receiving ends (3), and the first image pickup unit (106) and the first projection unit (108) are both in physical connection or network connection with the first information station;

the conference receiving end (3) comprises a conference recording station (31), a virtual conference host station (32) and a second information station, a recording tool (305) and a second image pickup unit (306) are arranged in the conference recording station (31), a second projection unit (307) is arranged in the virtual conference host station (32), and the second image pickup unit (306) and the second projection unit (307) are both in physical connection or network connection with the second information station;

the first information station and the second information station are connected with the server (2) through a network;

an underframe (107) is arranged inside the audience station (12), and a plurality of first projection units (108) are assembled on the upper side of the underframe (107);

a plurality of positioning pins (109) in a rectangular array are arranged on the upper side of the underframe (107), four support legs (110) matched with the positioning pins (109) are fixedly connected to the lower side of the first projection unit (108), the support legs (110) are installed on the outer side of the positioning pins (109), and an electric connection assembly is arranged between the positioning pins (109) and the support legs (110);

the electric connection assembly comprises a fixed electric connection piece (111) and a movable electric connection piece (112), the fixed electric connection piece (111) is fixedly connected to the upper side of the positioning pin (109), the fixed electric connection piece (111) is electrically connected with an external power supply, the movable electric connection piece (112) is vertically and slidably connected to the inside of the support leg (110), the movable electric connection piece (112) is electrically connected with the first projection unit (108), a return spring (113) is mounted inside the support leg (110) and positioned on the upper side of the movable electric connection piece (112), and an anti-falling assembly is arranged between the positioning pin (109) and the support leg (110);

anti-drop subassembly is including rotating rotation circle (114) of connecting in stabilizer blade (110) outside, the downside fixedly connected with who rotates circle (114) extends to locking tooth (115) of stabilizer blade (110) downside, the one end that rotates circle (114) is kept away from in locking tooth (115) is the locking end, four guide way (116) that are the annular array are seted up in the outside of location foot (109), the locking end and guide way (116) sliding connection of locking tooth (115), locking groove (117) that are linked together with guide way (116) are seted up to the lower part in the location foot (109) outside.

2. The remote video holographic projection system of claim 1, wherein: the outer sides of the rotating rings (114) are fixedly connected with externally-meshed gear rings (118), the outer sides of the externally-meshed gear rings (118) are assembled with annular turntables (119), and internally assembled with internally-meshed gear rings (120) in meshed connection with the externally-meshed gear rings (118) are arranged on the annular turntables (119).

3. The remote video holographic projection system of claim 2, wherein: a trigger plate (121) is fixedly connected to the annular turntable (119), a first locking block (123) and a second locking block (124) are fixedly connected to the outer side of the first projection unit (108), the trigger plate (121) is located between the first locking block (123) and the second locking block (124), and an included angle between the first locking block (123) and the second locking block (124) is half of an included angle between the two guide grooves (116).

4. A remote video holographic projection system according to claim 3, wherein: the trigger plate (121) is fixedly connected with a first magnetic block (122), the first locking block (123) and the second locking block (124) are both fixedly connected with locking magnets, and the two locking magnets are both magnetically attracted with the first magnetic block (122).

5. The remote video holographic projection system of claim 1, in which: the conference host side (1) comprises a first compartment (101), a sliding door is arranged on the first compartment (101), the conference receiving end (3) comprises a second compartment (301), and the second compartment (301) is provided with the sliding door.

6. The remote video holographic projection system of claim 5, wherein: a first light-shielding plate (102) is fixedly connected to the upper side inside the first compartment (101), two spaces separated by the first light-shielding plate (102) inside the first compartment (101) are a conference host station (11) and an audience station (12) respectively, a first lamp (103) is assembled at the upper end inside the conference host station (11), a second lamp (104) is assembled at the upper end inside the audience station (12), the lower portion of the first light-shielding plate (102) is bent towards one side far away from the audience station (12), and a light-absorbing layer is arranged on the inner wall of the conference host station (11);

the inside upside fixedly connected with second of second compartment (301) separates the board (302), the inside two spaces that separate through second partition board (302) of second compartment (301) are conference record station (31) and virtual conference host station (32) respectively, the inside upper end of conference record station (31) is equipped with third lamps and lanterns (303), the inside upper end of virtual conference host station (32) is equipped with fourth lamps and lanterns (304), the second separates the lower part of board (302) and crooked towards the one side of keeping away from virtual conference host station (32), just be provided with the light-absorbing layer on the inner wall of conference record station (31).