CN114495619A - VR experiences device based on education training - Google Patents

VR experiences device based on education training Download PDF

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Publication number
CN114495619A
CN114495619A CN202210053954.3A CN202210053954A CN114495619A CN 114495619 A CN114495619 A CN 114495619A CN 202210053954 A CN202210053954 A CN 202210053954A CN 114495619 A CN114495619 A CN 114495619A
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China
Prior art keywords
inner cavity
damping
cavity
rolling
bottom end
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CN202210053954.3A
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CN114495619B (en
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邹鹏
史登峰
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Zhejiang Luxi Technology Co ltd
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Zhejiang Luxi Technology Co ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00—Simulators for teaching or training purposes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a VR experiencing device based on educational training, comprising: the damping device comprises a platform, a plurality of rolling grooves communicated with a damping cavity, a plurality of limiting sliding grooves and sliding grooves, wherein the top end of the platform is provided with a standing groove, the bottom of the platform is provided with the damping cavity, the bottom end of the inner cavity of the standing groove is provided with the rolling grooves communicated with the damping cavity along a spherical shape, the left side and the right side of the inner cavity of the damping cavity are both provided with the limiting sliding grooves in the up-down direction, and the bottom end of the inner cavity of the damping cavity is provided with the sliding grooves in the left-right direction; the quantity of first spin, first spin is a plurality of, and the outer wall middle part of a plurality of first spin can rolling looks adaptation respectively peg graft in the inner chamber of a plurality of rolling grooves, and in the inner chamber in the outer wall top of first spin extends the interior chamber in the groove of standing, the bottom of first spin extends into in the inner chamber in damping chamber. The device can provide an infinite activity space for a user by utilizing a smaller space, further can reduce the occupied space of the device, is provided with the protection ring, can avoid the user from falling down due to confusion, eliminates potential safety hazards and is convenient to use.

Description

VR experiences device based on education training
Technical Field
The invention relates to the technical field of VR (virtual reality), in particular to a VR experience device based on education training.
Background
Virtual reality, augmented reality and three-dimensional simulation technologies are widely applied to VR education training, the virtual reality simulates real reality through a fictitious and vivid scene, and a comprehensive scene environment is constructed in a three-dimensional mode through the three-dimensional simulation technology in cooperation with the virtuality and reality combination effect of augmented reality, so that a perfect effect is achieved;
the theme contained in the VR education training can comprise a VR simulation type teaching category of the reason worker type teaching, a VR practical simulation type teaching system, a VR functional skill type training category, a VR vocational education type training category, a VR mine accident simulation experience category, a VR building construction condition experience category, a VR electric power operation safety operation training category, a VR fire engineering simulation training category, a VR earthquake disaster simulation experience category, a VR flood relief emergency training teaching category and the like;
however, the traditional VR experience device based on education training is usually required to be provided with a large movable platform for a user to walk or run in order to provide a free activity space for the user when in use, but the degree of freedom of the user is required to be occupied by the way of improving the degree of freedom of the user, and the VR experience device is not convenient to use.
Disclosure of Invention
The invention aims to provide a VR experiencing device based on educational training, which at least solves the problems that a large space is required to be occupied and a protection mechanism is not arranged in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a VR experience device based on educational training, comprising: the damping device comprises a platform, wherein a standing groove is formed in the top end of the platform, a damping cavity is formed in the bottom of the platform, a plurality of rolling grooves communicated with the damping cavity are formed in the bottom end of an inner cavity of the standing groove along a spherical shape, limiting sliding grooves are formed in the left side and the right side of the inner cavity of the damping cavity along the up-down direction, and sliding grooves are formed in the bottom end of the inner cavity of the damping cavity along the left-right direction; the number of the first rolling balls is a plurality, the middle parts of the outer walls of the plurality of first rolling balls are respectively matched and spliced in the inner cavities of the plurality of rolling grooves in a rolling manner, the top ends of the outer walls of the first rolling balls extend into the inner cavity of the standing groove, and the bottom ends of the first rolling balls extend into the inner cavity of the damping cavity; the damping mechanism is arranged in an inner cavity of the damping cavity; the bottom end of the supporting plate is arranged on the left side of the top end of the platform, a moving groove is formed in the right side of the supporting plate along the up-down direction, and a movable cavity is formed in the top of the supporting plate; the first motor is connected to the left side of the top end of the supporting plate through a screw; the left end of the connecting rod is locked at the output end of the motor through a coupler, and the right end of the connecting rod extends into the inner cavity of the movable cavity; the driving conical gear is sleeved on the right side of the outer wall of the connecting rod and is locked through a jackscrew; the bottom end of the first screw rod is rotatably arranged at the bottom end of the inner cavity of the movable groove through a bearing, and the top end of the first screw rod extends into the inner cavity of the movable cavity; the driven conical gear is sleeved at the top end of the outer wall of the screw rod and locked through a jackscrew, and the driving conical gear is meshed with the driven conical gear; the moving block is matched and inserted in the inner cavity of the moving groove, and is in threaded connection with the middle of the outer wall of the screw rod; and the protection ring is arranged on the right side of the moving block.
Preferably, the damping mechanism includes: the limiting sliding block is inserted into the inner cavity of the limiting sliding groove in a matched mode; the left side and the right side of the lifting plate are respectively arranged at the inner sides of the two limiting slide blocks; the damping rubber pads are arranged at the top ends of the lifting plates, and the positions of the damping rubber pads correspond to the positions of the rolling balls; the top end of the lifting rod is arranged in the middle of the bottom end of the lifting plate; the second rolling ball is adaptive to be inserted into the inner cavity of the lifting rod, and the bottom end of the outer wall of the second rolling ball extends out of the bottom end of the lifting rod.
Preferably, the damping mechanism further comprises: the sliding block is adaptive to be inserted in the left side of the inner cavity of the sliding groove; the push block is arranged at the top end of the sliding block, and the right side of the top end of the push block is in contact with the bottom end of the second rolling ball; the right end of the second screw rod is rotatably arranged on the right side of the inner cavity of the damping cavity through a bearing, and the left end of the second screw rod extends out of the left side of the platform; and the second motor is connected to the left side of the platform through a screw, and the left end of the second screw is locked at the output end of the second motor through a coupler.
Preferably, the inner cavity of the sliding chute is dovetail-shaped, the sliding block is inserted into the inner cavity of the sliding chute in a matching mode, the inner cavity of the limiting sliding chute is dovetail-shaped, and the limiting sliding block is inserted into the inner cavity of the limiting sliding chute in a matching mode.
Preferably, the height of the push block is equal to the distance from the top end of the lifting plate to the bottom end of the outer wall of the first rolling ball.
Preferably, the distance from the right side of the push block to the right side of the inner cavity of the damping cavity is greater than the length of the push block.
Preferably, the length of the second rolling ball extending out of the bottom end of the lifting rod is smaller than the radius of the second rolling ball, and the length of the first rolling ball extending into the standing groove and the length of the inner cavity of the damping cavity are both smaller than the radius of the first rolling ball.
The VR experience device based on the educational training has the advantages that:
1. the invention can lead a user to stand in the inner cavity of the standing groove, can protect the user by the protection ring and avoid the user from falling down, and utilizes the rotation of the output end of the first motor to drive the driving conical gear to rotate through the connecting rod, the driving conical gear can drive the first screw rod to rotate through the driven conical gear, the rotating force generated by the rotation of the first screw rod can lead the moving block to drive the protection ring to move up and down, thereby adjusting the height of the protection ring according to the height of the user;
2. the first rolling ball rolls in the inner cavity of the rolling groove to provide a walking or running space for a user;
3. the second motor is used for rotating to drive the second screw rod to rotate, the rotating force generated by the rotation of the second screw rod can drive the pushing block to move towards the right side, the pushing block moves towards the right side to drive the lifting rod to drive the lifting plate and the damping rubber pad to move upwards until the damping rubber pad is contacted with the first rolling ball, and the rolling efficiency of the first rolling ball is reduced by using the friction force between the first rolling ball and the damping rubber pad.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is an enlarged view of the invention at B;
fig. 5 is an enlarged view of the present invention at C.
In the figure: 1. platform, 2, standing groove, 3, damping chamber, 4, rolling groove, 5, spacing spout, 6, first spin, 7, damping mechanism, 71, spacing slider, 72, lifter plate, 73, damping rubber pad, 74, lifter, 75, second spin, 76, slider, 77, ejector pad, 78, second screw, 79, second motor, 8, backup pad, 9, shifting chute, 10, activity chamber, 11, first motor, 12, connecting rod, 13, initiative conical gear, 14, first screw, 15, driven conical gear, 16, movable block, 17, protection ring, 18, spout.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution for a VR experience device based on educational training, including: the platform 1, a standing groove 2, a damping cavity 3, a rolling groove 4, a limiting sliding groove 5, a first rolling ball 6, a damping mechanism 7, a support plate 8, a moving groove 9, a moving cavity 10, a first motor 11, a connecting rod 12, a driving bevel gear 13, a first screw 14, a driven bevel gear 15, a moving block 16, a protection ring 17 and a sliding groove 18, wherein the standing groove 2 is arranged at the top end of the platform 1, the damping cavity 3 is arranged at the bottom of the platform 1, a plurality of rolling grooves 4 communicated with the damping cavity 3 are arranged at the bottom end of the inner cavity of the standing groove 2 along a spherical shape, the limiting sliding grooves 5 are arranged at the left side and the right side of the inner cavity of the damping cavity 3 along the up-down direction, the sliding grooves 18 are arranged at the bottom end of the inner cavity of the damping cavity 3 along the left-right direction, the number of the first rolling balls 6 is a plurality, the middle parts of the outer walls of the first rolling balls 6 are respectively matched and inserted into the inner cavities of the rolling grooves 4, the top end of the outer walls of the first rolling ball 6 extends into the inner cavity of the standing groove 2, the bottom end of the first rolling ball 6 extends into the inner cavity of the damping cavity 3, a virtual moving space can be provided for a user by utilizing the rolling of the first rolling ball 6 in the inner cavity of the rolling groove 4, the damping mechanism 7 is arranged in the inner cavity of the damping cavity 3, the rolling efficiency of the first rolling ball 6 can be controlled by utilizing the damping mechanism 7, the bottom end of the support plate 8 is arranged at the left side of the top end of the platform 1, the right side of the support plate 8 is provided with a moving groove 9 along the up-down direction, the top of the support plate 8 is provided with a movable cavity 10, a first motor 11 is connected with the left side of the top end of the support plate 8 through a screw, the first motor 11 is the prior art and is used for driving a first screw 14 to rotate through a connecting rod 12, a driving conical gear 13 and a driven conical gear 15, the left end of the connecting rod 12 is locked at the output end of the motor 11 through a coupler, and the right end of the connecting rod 12 extends into the inner cavity of the movable cavity 10, the driving bevel gear 13 is sleeved on the right side of the outer wall of the connecting rod 12 and locked through a jackscrew, the bottom end of the first screw 14 is rotatably arranged at the bottom end of the inner cavity of the moving groove 9 through a bearing, the top end of the first screw 14 extends into the inner cavity of the moving cavity 10, the rotating force generated by the rotation of the first screw 14 can enable the moving block 16 to drive the protection ring 17 to move downwards, the driven bevel gear 15 is sleeved on the top end of the outer wall of the screw 14 and locked through the jackscrew, the driving bevel gear 13 is meshed with the driven bevel gear 15, the moving block 16 is adaptive and connected to the inner cavity of the moving groove 9, the moving block 16 is screwed in the middle of the outer wall of the screw 14, the protection ring 17 is arranged on the right side of the moving block 16, and the protection ring 17 is used for protecting a user.
Preferably, the damping mechanism 7 further includes: the limiting slide block 71, the lifting plate 72, the damping rubber pad 73, the lifting rod 74, the second rolling ball 75, the slide block 76, the push block 77, the second screw 78 and the second motor 79, the limiting slide block 71 is inserted in the inner cavity of the limiting sliding groove 5 in a matched manner, the limiting slide block 71 can limit the lifting plate 72 in a matched manner with the limiting sliding groove 5, the left side and the right side of the lifting plate 72 are respectively arranged at the inner sides of the two limiting slide blocks 71, the damping rubber pad 73 is arranged at the top end of the lifting plate 72, the position of the damping rubber pad 73 corresponds to the positions of a plurality of rolling balls 6, the rolling efficiency of the first rolling ball 6 can be reduced by the friction force between the damping rubber pad 73 and the first rolling ball 6, the top end of the lifting rod 74 is arranged at the middle part of the bottom end of the lifting plate 72, the second rolling ball 75 is inserted in the inner cavity of the lifting rod 74 in a matched manner, the bottom end of the outer wall of the second rolling ball 75 extends out of the lifting rod 74, the slide block 76 is inserted in the left side of the inner cavity of the sliding groove 18 in a matched manner, the slide block 76 is matched with the slide groove 18 to limit the push block 77, the push block 77 is arranged at the top end of the slide block 76, the right side of the top end of the push block 77 is contacted with the bottom end of the second rolling ball 75, the height of the push block 77 is equal to the distance from the top end of the lifting plate 72 to the bottom end of the outer wall of the first rolling ball 6, can avoid second spin 75 to break away from the top of ejector pad 77, the distance on ejector pad 77 right side to 3 inner chambers of damping chamber right sides is greater than ejector pad 77's length, guarantee to utilize ejector pad 77 to promote damping rubber pad 73 rebound in the at utmost, the right-hand member of second screw rod 78 passes through the rotatable setting in the inner chamber right side of damping chamber 3 of bearing, the left end of second screw rod 78 extends the left side of platform 1, second motor 79 screwed connection is in the left side of platform 1, the left end of second screw rod 78 passes through the output of shaft coupling locking at second motor 79, second motor 79 is prior art, be used for driving second screw rod 78 here and rotate.
As a preferred scheme, furthermore, the inner cavity of the sliding groove 18 is dovetail-shaped, and the sliding block 76 is adapted to be inserted into the inner cavity of the sliding groove 18, so that the sliding block 76 is prevented from being separated from the inner cavity of the sliding groove 18, and further the pushing block 77 can be limited, the inner cavity of the limiting sliding groove 5 is dovetail-shaped, and the limiting sliding block 71 is adapted to be inserted into the inner cavity of the limiting sliding groove 5, so that the limiting sliding block 71 can be prevented from being separated from the inner cavity of the limiting sliding groove 5.
Preferably, the length of the second rolling ball 75 extending out of the bottom end of the lifting rod 74 is smaller than the radius of the lifting rod, so that the second rolling ball 75 is prevented from being separated from the inner cavity of the lifting rod 74, and the length of the first rolling ball 6 extending into the inner cavities of the standing groove 2 and the damping cavity 3 is smaller than the radius of the first rolling ball 6, so that the first rolling ball 6 is prevented from falling out of the inner cavity of the rolling groove 4.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the damping rubber pad is used, the first motor 11 is started, the output end of the first motor 11 rotates to drive the driving conical gear 13 to rotate through the connecting rod 12, the driving conical gear 13 rotates to drive the first screw 14 to rotate through the driven conical gear 15, the rotating force generated by the rotation of the first screw 14 can drive the moving block 16 to drive the protection ring 17 to move downwards until the protection ring 17 moves to a proper position, the second motor 79 is started, the output end of the second motor 79 rotates to drive the second screw 78 to rotate, the rotating force generated by the rotation of the second screw 78 can drive the push block 77 to move towards the right side, the push block 77 moves towards the right side to extrude the lifting rod 74 to push the lifting plate 72 to drive the damping rubber pad 73 to move upwards until the damping rubber pad 73 is firmly attached to the first rolling ball 6, and the damping rubber pad 73 can be prevented from rotating by the friction force between the damping rubber pad 73 and the first rolling ball 6, a user stands in the inner cavity of the standing groove 2 after penetrating through the inner cavity of the protection ring 17, starts the first motor 11, the output end of the first motor 11 rotates in the opposite direction to the above direction, the protection ring 17 can be driven by the moving block 16 to move upwards until the protection ring 17 moves to a proper position, the user can be protected by the protection ring 17, the second motor 79 is started, the output end of the second motor 79 rotates in the opposite direction to the above direction to drive the push block 77 to move towards the left side, when the push block 77 moves towards the left side, the lifting rod 74 loses the extrusion force to the lifting rod and moves downwards under the self gravity of the lifting plate 72, so that the friction force between the first rolling ball 6 and the damping rubber pad 73 can be reduced, the first rolling ball 6 can roll until the rolling efficiency of the first rolling ball 6 adapted to the user is adjusted, namely, when the user walks or runs, the first rolling ball 6 is used for rolling, the device can simulate the walking state of a user, can provide an infinite activity space for the user by utilizing a smaller space, further can reduce the occupied space of the device, is provided with the protection ring 17, can avoid the user from falling down in a hurry, eliminates potential safety hazards and is convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A VR experience device based on educational training, comprising:
the damping device comprises a platform (1), wherein a standing groove (2) is formed in the top end of the platform (1), a damping cavity (3) is formed in the bottom of the platform (1), a plurality of rolling grooves (4) communicated with the damping cavity (3) are formed in the bottom end of an inner cavity of the standing groove (2) along a spherical shape, limiting sliding grooves (5) are formed in the left side and the right side of the inner cavity of the damping cavity (3) along the vertical direction, and sliding grooves (18) are formed in the bottom end of the inner cavity of the damping cavity (3) along the left side and the right direction;
the number of the first rolling balls (6) is a plurality, the middle parts of the outer walls of the first rolling balls (6) are respectively matched and spliced in the inner cavities of the rolling grooves (4) in a rolling manner, the top ends of the outer walls of the first rolling balls (6) extend into the inner cavity of the standing groove (2), and the bottom ends of the first rolling balls (6) extend into the inner cavity of the damping cavity (3);
the damping mechanism (7), the said damping mechanism (7) is set up in the cavity of the damping chamber (3);
the bottom end of the supporting plate (8) is arranged on the left side of the top end of the platform (1), a moving groove (9) is formed in the right side of the supporting plate (8) in the vertical direction, and a movable cavity (10) is formed in the top of the supporting plate (8);
the first motor (11), the first motor (11) is connected to the left side of the top end of the support plate (8) through a screw;
the left end of the connecting rod (12) is locked at the output end of the motor (11) through a coupler, and the right end of the connecting rod (12) extends into the inner cavity of the movable cavity (10);
the driving conical gear (13) is sleeved on the right side of the outer wall of the connecting rod (12) and locked through a jackscrew;
the bottom end of the first screw rod (14) is rotatably arranged at the bottom end of the inner cavity of the movable groove (9) through a bearing, and the top end of the first screw rod (14) extends into the inner cavity of the movable cavity (10);
the driven conical gear (15) is sleeved at the top end of the outer wall of the screw (14) and locked through a jackscrew, and the driving conical gear (13) is meshed with the driven conical gear (15);
the moving block (16) is matched and inserted into an inner cavity of the moving groove (9), and the moving block (16) is in threaded connection with the middle of the outer wall of the screw rod (14);
and a protective ring (17), wherein the protective ring (17) is arranged on the right side of the moving block (16).
2. The device of claim 1, wherein the device comprises: the damping mechanism (7) includes:
the limiting sliding block (71), the limiting sliding block (71) is inserted into the inner cavity of the limiting sliding groove (5) in a matched and inserted mode;
the left side and the right side of the lifting plate (72) are respectively arranged at the inner sides of the two limiting sliding blocks (71);
the damping rubber pads (73), the damping rubber pads (73) are arranged at the top ends of the lifting plates (72), and the positions of the damping rubber pads (73) correspond to the positions of the rolling balls (6);
the top end of the lifting rod (74) is arranged in the middle of the bottom end of the lifting plate (72);
the second rolling ball (75) is matched and inserted into the inner cavity of the lifting rod (74), and the bottom end of the outer wall of the second rolling ball (75) extends out of the bottom end of the lifting rod (74).
3. The device of claim 2, wherein the VR experience device based on educational training is configured to: the damping mechanism (7) further comprises:
the sliding block (76), the sliding block (76) is adapted to be inserted into the left side of the inner cavity of the sliding groove (18);
the push block (77) is arranged at the top end of the sliding block (76), and the right side of the top end of the push block (77) is in contact with the bottom end of the second rolling ball (75);
the right end of the second screw rod (78) is rotatably arranged on the right side of the inner cavity of the damping cavity (3) through a bearing, and the left end of the second screw rod (78) extends out of the left side of the platform (1);
the second motor (79), second motor (79) screw connection is in the left side of platform (1), the left end of second screw rod (78) passes through the output of shaft coupling locking at second motor (79).
4. The device of claim 3, wherein the VR experience device is configured to: the inner cavity of the sliding groove (18) is in a dovetail shape, the sliding block (76) is matched and inserted in the inner cavity of the sliding groove (18), the inner cavity of the limiting sliding groove (5) is in a dovetail shape, and the limiting sliding block (71) is matched and inserted in the inner cavity of the limiting sliding groove (5).
5. The device of claim 3, wherein the VR experience device is configured to: the height of the push block (77) is equal to the distance from the top end of the lifting plate (72) to the bottom end of the outer wall of the first rolling ball (6).
6. The device of claim 3, wherein the VR experience device is configured to: the distance from the right side of the push block (77) to the right side of the inner cavity of the damping cavity (3) is greater than the length of the push block (77).
7. The device of claim 2, wherein the VR experience device based on educational training is configured to: the length of the second rolling ball (75) extending out of the bottom end of the lifting rod (74) is smaller than the radius of the second rolling ball, and the length of the first rolling ball (6) extending into the standing groove (2) and the inner cavity of the damping cavity (3) is smaller than the radius of the first rolling ball.
CN202210053954.3A 2022-01-18 2022-01-18 VR experience device based on education and training Active CN114495619B (en)

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CN114495619B CN114495619B (en) 2023-04-25

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CN214332092U (en) * 2020-12-22 2021-10-01 四川智信安达科技有限公司 Multimedia somatosensory interaction device
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Publication number Priority date Publication date Assignee Title
JP6511633B1 (en) * 2018-05-29 2019-05-15 浦江春宏網絡科技有限公司 Surveillance camera equipment that can rotate the direction
JP6617320B2 (en) * 2018-06-06 2019-12-11 广州小楠科技有限公司 robot
CN112509387A (en) * 2020-11-19 2021-03-16 陕西沙蟹科技有限公司 Network education training device
CN214332092U (en) * 2020-12-22 2021-10-01 四川智信安达科技有限公司 Multimedia somatosensory interaction device
CN214504623U (en) * 2021-01-04 2021-10-26 西安舟扬智能科技有限公司 Computer teaching demonstration equipment

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