CN114550532A - VR teaching device for distance education - Google Patents
VR teaching device for distance education Download PDFInfo
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- CN114550532A CN114550532A CN202210151832.8A CN202210151832A CN114550532A CN 114550532 A CN114550532 A CN 114550532A CN 202210151832 A CN202210151832 A CN 202210151832A CN 114550532 A CN114550532 A CN 114550532A
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- 239000012530 fluid Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000011550 stock solution Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
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- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a VR (virtual reality) teaching device for remote education, which comprises an annular base, wherein a plurality of supporting arms are welded on the annular base, waist rings are jointly and fixedly arranged on the supporting arms, a deformable base is embedded in the annular base and is made of rubber materials, a plurality of liquid storage cavities are formed in the side wall of the deformable base, a plurality of shunting cavities communicated with the liquid storage cavities are further formed in the side wall of the deformable base, electrorheological fluid is filled in the liquid storage cavities and the shunting cavities, and a piston plate is connected in the liquid storage cavities in a sealing sliding mode. According to the invention, different amounts of electrorheological fluid are injected into each shunt cavity through the liquid storage cavity, so that the volume change of each shunt cavity is in different degrees, finally the deformable base can be changed in various shapes, the condition of uneven ground in a real environment can be simulated, the vivid effect of VR teaching can be enhanced, and the skill of operators for handling dangerous conditions can be effectively trained.
Description
Technical Field
The invention relates to the technical field of VR teaching equipment, in particular to a VR teaching device for distance education.
Background
VR (virtual reality), namely a virtual reality technology, is mature to be applied in distance teaching at present, wherein the most common technology is to train the operation skills of staff, so that the cost of a teaching training field and equipment can be greatly reduced.
The equipment that is used for VR teaching at present generally comprises VR helmet and the protector that provides virtual environment, wherein protector is formed by base and relevant support protective component like "a teaching training set based on VR system" that application number "201821202743.7" provided, its structure is fixed subassembly, but when some dangerous trades (such as electric power, arrange the explosive, arrange the hazardous material) use, actual operating environment often is more complicated, unsmooth like ground, the not uniform condition of loose soil can influence actual operation result greatly, take place to tumble because of stepping on the sky, the circumstances such as standing finally leads to the operation failure, consequently, adopt current teaching set can not effectively train operating personnel's skill completely. In view of the above, the present document provides a VR teaching device for distance education.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a VR teaching device for distance education.
In order to achieve the purpose, the invention adopts the following technical scheme:
a VR teaching device for distance education comprises an annular base, wherein a plurality of supporting arms are welded on the annular base, waist rings are fixedly arranged on the supporting arms jointly, a deformable base is embedded in the annular base and is made of rubber materials, a plurality of liquid storage cavities are formed in the side wall of the deformable base, a plurality of shunt cavities communicated with the liquid storage cavities are further formed in the side wall of the deformable base, electrorheological fluid is filled in the liquid storage cavities and the shunt cavities, a piston plate is connected in the liquid storage cavities in a sealing and sliding mode, a rotating shaft is connected in the liquid storage cavities in a rotating mode and is fixedly connected with an eccentric roller, a control motor is installed in the liquid storage cavities, an output shaft of the control motor is connected with the rotating shaft through a coupler, a group of electrodes are arranged in the shunt cavities, and a plurality of hollow cushions are arranged on the deformable base, the side wall of the deformable base is provided with an airflow groove communicated with the inside of the hollow cushion, and a power transmission mechanism for applying voltage to the electrodes is arranged in the airflow groove.
Preferably, the power transmission mechanism includes two vibration boards of rotation connection on the air current groove inner wall, fixedly connected with spring on the lateral wall of vibration board, the one end fixed connection that the vibration board was kept away from to the spring is on the air current groove inner wall, inlay on the air current groove inner wall and be equipped with the piezoceramics piece, just the piezoceramics piece passes through control circuit and electrode electric connection, fixedly connected with plastic pole on the hollow cushion inner wall, the plastic pole sets up between two vibration boards, just the lateral wall of plastic pole is equipped with a plurality of bumps.
Preferably, the one side of vibration board far away from the plastic pole makes the arc bulge form, and this arc bulge is pressed close to piezoceramics piece and is set up.
Preferably, the inner bottom of the airflow groove is communicated with an exhaust pipe, a massage cushion is embedded on the inner wall of the waist ring, and one end of the exhaust pipe, which is far away from the airflow groove, is communicated with the inside of the massage cushion.
Preferably, the lower end of the piston plate is provided with an arc-shaped groove, the eccentric roller is rotatably arranged in the arc-shaped groove, and the rotating shaft is fixedly connected to the eccentric position of the eccentric roller.
The invention has the following beneficial effects:
1. by arranging the deformable base and arranging a large number of shunting cavities and liquid storage cavities, electrorheological fluid with different amounts can be injected into each shunting cavity through the liquid storage cavity, so that the volume of each shunting cavity is changed in different degrees, finally, the deformable base can be changed in various shapes, the condition of uneven ground in a real environment can be simulated, the vivid effect of VR teaching can be enhanced, and the skill of operators for handling dangerous conditions can be effectively trained;
2. through setting up electrorheological fluids and transmission of electricity mechanism, accessible transmission of electricity mechanism and control circuit control are transmitted to the voltage of electrode, can change the viscosity and the mobility of electrorheological fluids like this, can orientate the soft sense of touch when changing trampling, can simulate the sense of trampling in different lands to more effective help operating personnel cultivates operating skill.
Drawings
Fig. 1 is a schematic structural diagram of an appearance of a VR teaching device for distance education according to the present invention;
fig. 2 is a schematic front sectional view of a VR teaching device for distance education according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
fig. 5 is a schematic cross-sectional view of the piston plate and the eccentric roller according to the present invention.
In the figure: the device comprises a ring-shaped base 1, a support arm 2, a waist ring 3, a deformable base 4, a hollow cushion 5, a liquid storage cavity 6, an eccentric roller 7, a piston plate 8, a rotating shaft 9, a control motor 10, an electrode 11, an airflow groove 12, a vibrating plate 13, a piezoelectric ceramic plate 14, a plastic rod 15, salient points 16, a spring 17, an exhaust pipe 18, a massage cushion 19 and a flow dividing cavity 20.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a VR teaching device for distance education, including annular base 1, the welding has a plurality of support arms 2 on annular base 1, common fixed waist ring 3 that is equipped with on a plurality of support arms 2, annular base 1 embeds is equipped with deformable base 4, deformable 4 adopts rubber materials to make and forms, a plurality of stock solution chambeies 6 have been seted up to deformable base 4's lateral wall, a plurality of communicating reposition of redundant personnel chambeies 20 with stock solution chamber 6 have still been seted up to deformable base 4's lateral wall, stock solution chamber 6 all fills with electrorheological fluids with reposition of redundant personnel intracavity 20, sealed sliding connection has piston plate 8 in stock solution chamber 6, stock solution chamber 6 internal rotation is connected with pivot 9, the arc recess has been seted up to piston plate 8's lower extreme, and eccentric roller 7 rotates and sets up in this arc recess, pivot 9 fixed connection is in eccentric roller 7's eccentric position department.
And pivot 9 fixedly connected with eccentric roller 7, install control motor 10 in the stock solution chamber 6, the output shaft and the pivot 9 of control motor 10 pass through the coupling joint, it should be noted that, through setting up eccentric roller 7, the accessible drives eccentric roller 7 and rotates different angles, then eccentric roller 7 will push up and move piston plate 8 and move different distances to crowd the electrorheological fluid of different volume in the reposition of redundant personnel chamber 20 above.
A group of electrodes 11 are arranged in the shunting cavity 20, a plurality of hollow soft cushions 5 are arranged on the deformable base 4, an airflow groove 12 communicated with the inside of each hollow soft cushion 5 is formed in the side wall of the deformable base 4, an exhaust pipe 18 is communicated with the inner bottom of each airflow groove 12, a massage cushion 19 is embedded on the inner wall of the waist ring 3, and one end, far away from the airflow groove 12, of the exhaust pipe 18 is communicated with the inside of the massage cushion 19.
A power transmission mechanism for applying a voltage to the electrode 11 is installed in the gas flow groove 12. It should be noted that, through setting up hollow cushion 5, on the one hand, can conveniently start transmission of electricity mechanism and move, on the other hand, stand and will constantly walk when carrying out corresponding operation in the top of base 4 that can deform when operating personnel, so can constantly trample each hollow cushion 5, each hollow cushion 5 is also constantly trampled flat and the inflation is resumeed, then the air in the hollow cushion 5 will constantly flow into in the massage pad 19 through blast pipe 18, make the cyclic breathing of massage pad 19, so can constantly massage operating personnel's waist, simultaneously also can alleviate, buffering striking between operating personnel waist and the 3 inner walls of waist ring, friction, improve operating personnel's training, teaching experience.
The power transmission mechanism includes that two rotate the vibration board 13 of connection on air current groove 12 inner wall, fixedly connected with spring 17 on the lateral wall of vibration board 13, the one end fixed connection that vibration board 13 was kept away from to spring 17 is on air current groove 12 inner wall, inlay on air current groove 12 inner wall and be equipped with piezoceramics piece 14, the arc protrusion form is made to one side of keeping away from plastic rod 15 of vibration board 13, and piezoceramics piece 14 setting is pressed close to in this arc protrusion.
The piezoelectric ceramic plate 14 is electrically connected to the electrode 11 through a control circuit, the specific control circuit can be set according to a virtual environment, and can be adjusted correspondingly to change the voltage to the electrode 11, so as to change the viscosity and the fluidity of the electrorheological fluid, thereby changing the treading touch feeling, so as to simulate the difference of the actual environment.
Fixedly connected with plastic pole 15 on the hollow cushion 5 inner wall, plastic pole 15 sets up between two vibration boards 13, and the lateral wall of plastic pole 15 is equipped with a plurality of bumps 16. It should be noted that a certain distance is provided between each adjacent protruding points 16, so that when the plastic rod 15 continuously moves down and passes through the two vibrating plates 13, the vibrating plates 13 can periodically swing back and forth under the combined action of the springs 17.
The same as the traditional teaching protection device, an operator can stand on the deformable base 4 through the waist ring 3 after wearing VR helmet or glasses during simulation operation. Meanwhile, in the virtual operating environment simulated by the VR equipment, the control motors 10 are driven to operate by the related electric control equipment, each control motor 10 drives the rotating shaft 9 to rotate at different angles and drives the eccentric roller 7 to rotate, and each eccentric roller 7 can push the piston plate 8 to move and lift for different distances when rotating, so that the electrorheological fluid in the fluid storage cavity 6 can be squeezed into the shunting cavity 20 above the piston plate in different amounts. And because the base 4 that can deform separates into a large amount of reposition of redundant personnel chambeies 20, consequently crowd behind the electrorheological fluids of different volume in each reposition of redundant personnel chamber 20, will take place the unsmooth change of different degree, so can make base 4 that can deform become with the simulation environment in the same unsmooth ground to accord with reality operation environment more.
In addition, after an operator stands on the deformable base 4, the operator steps on the plurality of hollow cushions 5, so that the hollow cushions 5 are deflated, the inner walls of the hollow cushions 5 push the plastic rods 15 to move downwards, the plurality of convex points 16 on the side walls of the plastic rods 15 continuously push the vibrating plates 13 on the two sides away in the moving process, and the vibrating plates 13 continuously move back and forth to reset under the action of the springs 17, so that the vibrating plates 13 continuously swing back and forth along the rotating axes of the vibrating plates, the arc-shaped convex parts of the vibrating plates 13 continuously knock the piezoelectric ceramic plates 14 on the two sides to continuously vibrate and generate potential difference due to piezoelectric effect, so that different voltages can be input to the electrodes 11 in the shunt cavities 7 through the control circuit according to the virtual VR environment, and the electrodes 11 immediately generate electric fields with different strengths after inputting the different voltages, so that the electrorheological fluid can show different viscosities and flowability under different electric fields, for example, under a very small electric field, the electrorheological fluid has a relatively strong fluidity, and when the electrorheological fluid is stepped on the upper part of the deformable base 4 in the area, the electrorheological fluid has a very soft touch, and under a relatively strong electric field, the electrorheological fluid becomes a solid form, and when the electrorheological fluid is stepped on the upper part of the deformable base 4, the electrorheological fluid feels very hard. Therefore, the ground with different softness can be simulated according to the virtual environment.
In summary, the deformable base 4 can be changed in various shapes by changing the volume of each shunting cavity 20 in different degrees, so that the uneven ground condition in the real environment can be simulated, and the voltage transmitted to the electrode 11 is controlled by the power transmission mechanism and the control circuit, so that the viscosity and the fluidity of the electrorheological fluid can be changed, the soft touch feeling during treading can be directionally changed, the treading feeling of different lands can be simulated, the operator can be more effectively helped to cultivate the operation skill, the vivid effect of VR teaching can be enhanced, and the skill of the operator for handling the dangerous condition can be effectively trained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The VR teaching device for distance education comprises an annular base (1), wherein a plurality of supporting arms (2) are welded on the annular base (1), a waist ring (3) is fixedly arranged on the supporting arms (2) jointly, and the VR teaching device is characterized in that a deformable base (4) is embedded in the annular base (1), the deformable base (4) is made of rubber materials, a plurality of liquid storage cavities (6) are formed in the side wall of the deformable base (4), a plurality of diversion cavities (20) communicated with the liquid storage cavities (6) are further formed in the side wall of the deformable base (4), electrorheological fluid is filled in the liquid storage cavities (6) and the diversion cavities (20), a piston plate (8) is connected in the liquid storage cavities (6) in a sealing and sliding manner, a rotating shaft (9) is rotationally connected in the liquid storage cavities (6), and an eccentric roller (7) is fixedly connected with the rotating shaft (9), install control motor (10) in stock solution chamber (6), the output shaft and pivot (9) of control motor (10) pass through the coupling joint, be equipped with a set of electrode (11) in reposition of redundant personnel chamber (20), be equipped with a plurality of hollow cushion (5) on deformable base (4), the communicating air current groove (12) with hollow cushion (5) inside have been seted up to the lateral wall of deformable base (4), install the transmission of electricity mechanism that applys voltage to electrode (11) in air current groove (12).
2. The VR teaching device for remote education as claimed in claim 1, wherein the power transmission mechanism includes two vibrating plates (13) rotatably connected to the inner wall of the air flow groove (12), a spring (17) is fixedly connected to the side wall of the vibrating plates (13), one end of the spring (17) away from the vibrating plates (13) is fixedly connected to the inner wall of the air flow groove (12), a piezoelectric ceramic plate (14) is embedded in the inner wall of the air flow groove (12), the piezoelectric ceramic plate (14) is electrically connected to the electrodes (11) through a control circuit, a plastic rod (15) is fixedly connected to the inner wall of the hollow cushion (5), the plastic rod (15) is disposed between the two vibrating plates (13), and the side wall of the plastic rod (15) is provided with a plurality of protruding points (16).
3. A VR teaching device for remote education as claimed in claim 2, wherein the vibrating plate (13) is formed with an arc-shaped protrusion on a side away from the plastic rod (15), and the arc-shaped protrusion is disposed adjacent to the piezoelectric ceramic plate (14).
4. The VR teaching device for distance education as claimed in claim 1, wherein an exhaust pipe (18) is communicated with the inner bottom of the airflow groove (12), a massage cushion (19) is embedded on the inner wall of the waist ring (3), and one end of the exhaust pipe (18) far away from the airflow groove (12) is communicated with the inner part of the massage cushion (19).
5. The VR teaching device for distance education as claimed in claim 1, wherein the lower end of the piston plate (8) is provided with an arc-shaped groove, the eccentric roller (7) is rotatably arranged in the arc-shaped groove, and the rotating shaft (9) is fixedly connected to the eccentric position of the eccentric roller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151832.8A CN114550532A (en) | 2022-02-18 | 2022-02-18 | VR teaching device for distance education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151832.8A CN114550532A (en) | 2022-02-18 | 2022-02-18 | VR teaching device for distance education |
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| Publication Number | Publication Date |
|---|---|
| CN114550532A true CN114550532A (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210151832.8A Pending CN114550532A (en) | 2022-02-18 | 2022-02-18 | VR teaching device for distance education |
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| Country | Link |
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| CN (1) | CN114550532A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105339056A (en) * | 2013-04-10 | 2016-02-17 | 通恰伊·查克马克 | Device for accommodating a person and for partially limiting the freedom of movement of the person |
| CN106066698A (en) * | 2016-06-13 | 2016-11-02 | 王良 | The passive haptic feedback devices of a kind of virtual reality based on ER fluid original paper |
| JP2019212169A (en) * | 2018-06-07 | 2019-12-12 | パナソニックＩｐマネジメント株式会社 | Matrix electrical viscous valve, shape presentation device, and matrix electrical viscous valve drive method |
| CN213308604U (en) * | 2020-10-09 | 2021-06-01 | 浙江强春乳胶制造有限公司 | Multifunctional breathable latex mattress |
-
2022
- 2022-02-18 CN CN202210151832.8A patent/CN114550532A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105339056A (en) * | 2013-04-10 | 2016-02-17 | 通恰伊·查克马克 | Device for accommodating a person and for partially limiting the freedom of movement of the person |
| CN106066698A (en) * | 2016-06-13 | 2016-11-02 | 王良 | The passive haptic feedback devices of a kind of virtual reality based on ER fluid original paper |
| JP2019212169A (en) * | 2018-06-07 | 2019-12-12 | パナソニックＩｐマネジメント株式会社 | Matrix electrical viscous valve, shape presentation device, and matrix electrical viscous valve drive method |
| CN213308604U (en) * | 2020-10-09 | 2021-06-01 | 浙江强春乳胶制造有限公司 | Multifunctional breathable latex mattress |
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