CN111420394A - VR display system and method for matching dynamic scene - Google Patents
VR display system and method for matching dynamic scene Download PDFInfo
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- CN111420394A CN111420394A CN202010100345.XA CN202010100345A CN111420394A CN 111420394 A CN111420394 A CN 111420394A CN 202010100345 A CN202010100345 A CN 202010100345A CN 111420394 A CN111420394 A CN 111420394A
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- seat
- fixed
- coaxially
- universal joint
- rotating
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/25—Output arrangements for video game devices
- A63F13/28—Output arrangements for video game devices responding to control signals received from the game device for affecting ambient conditions, e.g. for vibrating players' seats, activating scent dispensers or affecting temperature or light
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
Abstract
The invention relates to the technical field of virtual reality, in particular to a VR display system and a method matched with a dynamic scene, which comprises a head-mounted VR display and a multi-dimensional motion simulator, wherein the multi-dimensional motion simulator comprises a seat, a rotating mechanism, a first universal joint, a swinging mechanism, a telescopic mechanism, a second universal joint, a third universal joint and a controller, the working end of the swinging mechanism is upwards fixed at the top end of the rotating mechanism, the first universal joint is connected with the swinging mechanism and the bottom end of the seat, the second universal joint is fixedly arranged at four corners of the bottom end of the seat, the third universal joint is fixedly connected with four corners of the side surface of the rotating mechanism, the telescopic mechanism comprises a first expansion piece, a second expansion piece, a third expansion piece and a fourth expansion piece, the expansion pieces are fixedly connected with the second universal joint and the third universal joint, the mechanisms are electrically connected with the controller, and the VR display system and the method can transmit a virtual dynamic image to a user, and the control of multi-dimensional motion can be realized according to the action script.
Description
Technical Field
The invention relates to the technical field of virtual reality, in particular to a VR display system and method for matching a dynamic scene.
Background
The Virtual Reality display equipment, referred to as VR (Virtual Reality) display equipment for short, is a display equipment which is used for sealing the vision and the hearing of people to the outside and guiding a user to generate a sense of faithful Virtual sceneries, and the display principle is that left and right eye screens respectively display images of left and right eyes, and the human eyes generate stereoscopic impression in the brain and sea after acquiring the information with differences. However, VR head-mounted display devices have become an important trend of VR display devices due to their portability.
Divide according to present VR's hardware form, VR head-mounted display device mainly divide into three: external head-mounted equipment, integral type head show and remove the end and show. External head-mounted device also is called PC end and shows, need just can use it to connect the computer, and external head-mounted device's user experience is better, possesses independent screen, and product structure is complicated, technical content is higher, receives the constraint of data line, and the unable free activity of user. The integrated head display has independent functions of CPU, input and output display, and does not need to use any input and output equipment. The mobile terminal display is a so-called mobile phone box display, has simple structure and low price, can be watched by only putting a mobile phone, and is convenient to use.
At present, a VR display system and method capable of matching with a dynamic scene are needed, so as to improve the fidelity of virtual reality.
Chinese patent CN201721464771.1 discloses a VR seat driving mechanism and a VR seat, which comprises a base, wherein the surface of the base is provided with a transverse sliding groove, the upper end of the base is provided with a protective shell, and the upper end of the protective shell is provided with a second universal seat; the upper end of the base is provided with a transverse tilting mechanism, and the upper end of the transverse tilting mechanism is provided with a longitudinal tilting mechanism; a first universal seat is installed at the upper end of the longitudinal tilting mechanism, and a support column is installed inside the first universal seat; the utility model discloses a chair, including support column, linear electric motor, seat body, backup pad, support column, linear electric motor's output fixed mounting has the seat body.
The device cannot move in real time in multiple dimensions.
Disclosure of Invention
The invention aims to solve the technical problem of providing a VR display system and method for matching a dynamic scene, and the technical scheme solves the problem of VR multi-dimensional virtual motion.
In order to solve the technical problems, the invention provides the following technical scheme: a VR display system matched with a dynamic scene comprises a head-wearing VR display and a multi-dimensional motion simulator, wherein the multi-dimensional motion simulator comprises a seat, a rotating mechanism, a first universal joint, a swinging mechanism, a telescopic mechanism, a second universal joint, a third universal joint and a controller, the swinging working end of the swinging mechanism is upwards and coaxially fixed at the top end of the rotating working part of the rotating mechanism, two ends of the first universal joint are respectively and fixedly connected with the swinging working end of the swinging mechanism and the central position of the bottom end of the seat, one end of the second universal joint is fixedly arranged at four corners of the bottom end of the seat, one end of the third universal joint is respectively and fixedly connected with four corners of the side surface of the rotating working end of the rotating mechanism, the vertical direction projection of the second universal joint is superposed with the third universal joint, the telescopic mechanism comprises a first telescopic device, a second telescopic device, a third telescopic device and a fourth telescopic device, two ends of the telescopic devices are respectively and fixedly connected with the second universal joint and the, the mechanisms are all electrically connected with the controller.
Preferably, seat bottom central point puts and is provided with first fixing base, and seat bottom four corners still is provided with the second fixing base, still is provided with the connecting plate between first fixing base and the second fixing base, and swing mechanism swing work end passes through the coaxial fixed connection of first universal joint and first fixing base, and the telescopic machanism top passes through the coaxial fixed connection of second universal joint and second fixing base.
Preferably, the rotating mechanism comprises a fixed outer cylinder, a fixed base, a main shaft, a bearing, a fixed ring, a butting ring, a fixed gear ring, a gear, a first servo motor, a rotary table and a first spring, wherein the fixed outer cylinder is coaxially and sequentially provided with a butting rotary groove and a mounting groove, the fixed base is coaxially and fixedly arranged inside the mounting groove, the top end of the fixed base is coaxially provided with a rotating seat, the top end of the fixed base is uniformly and axially provided with a support plate, the support plate is fixedly connected with the rotating seat, a bearing inner ring is coaxially and fixedly connected with the bottom end of the main shaft, a bearing outer ring is coaxially and fixedly connected with the inner wall of the rotating seat, the fixed ring is coaxially arranged at the top end of the rotating seat, the fixed gear ring is coaxially fixed on the main shaft, the butting ring is coaxially butted at the bottom end of the fixed gear ring, the top end of the fixed base, the coaxial cover of first spring is established last, and first spring both ends butt respectively on butt circle bottom and unable adjustment base top, gear and the coaxial fixed connection of first servo motor output shaft, gear and fixed ring gear meshing, the setting of the coaxial rotation of carousel is accepting the turn trough, and the main shaft top is run through and is accepted the turn trough and the coaxial fixed connection of carousel bottom, and swing mechanism coaxial setting is on the carousel top.
Preferably, the fixed outer barrel top slot part still is provided with the annular, and the carousel bottom has the recess along the axis equipartition, and slewing mechanism still includes second spring and rolling pearl, and first spring coaxial setting is inside the recess, and the rolling pearl coaxial setting is in the carousel bottom, and under operating condition, the rolling pearl is at the first spring elastic force down the butt on the annular.
Preferably, swing mechanism is including linear drive device, the pitch festival, the fourth fixing base, the swing arm, the swing shell, first ball socket seat and second ball socket seat, linear drive device is coaxial to be set up on slewing mechanism rotation work portion top, pitch festival one end sets up at linear drive device slip work portion, the fourth fixing base is with the coaxial fixed connection of the pitch festival other end, the swing arm is coaxial to be fixed on fourth fixing base top, the swing shell cover is established at linear drive device outsidely, the swing arm ball portion runs through the swing shell, the swing arm top is through first universal joint and seat bottom fixed connection, the swing arm is connected through first ball socket seat and second ball socket seat rotation with swing shell run-through department.
Preferably, the linear driving device comprises a fixed plate, a third fixed seat, a limit strip and a through hole threaded slide block, the stopper, the screw thread axle, synchronous belt drive mechanism, second servo motor and third spring, the fixed plate is fixed to be set up and is rotating the work portion top in slewing mechanism, the fixed setting of third fixing base is at the fixed plate both ends, spacing coaxial setting is in third fixing base both sides, the coaxial rotation of screw thread axle sets up on the third fixing base, the coaxial screw-thread connection of through-hole screw thread slider is on the screw thread axle, the stopper sets up in through-hole screw thread slider both sides with the axial, stopper and spacing sliding fit of spacing, the screw thread axle both ends are passed through synchronous belt drive mechanism and are connected with second servo motor output shaft synchronous drive, the coaxial cover of third spring is established on stopper both ends screw thread axle, the butt is on third fixing base and through-hole screw thread slider respectively at the third.
Preferably, the swing arm is including first fixed arm, rolling ball and second fixed arm, first fixed arm, rolling ball and second fixed arm coaxial fixed connection in proper order, second fixed arm and every single move festival top fixed connection, first fixed arm passes through first universal joint and seat bottom fixed connection, first ball socket inboard is provided with the ball socket face with the gomphosis, second ball socket is identical with second ball socket structure, the rolling ball rotates and sets up in the ball seat that first ball socket and second ball socket are constituteed.
Preferably, four fixing lugs are axially arranged on the outer circumferential surface of the turntable; the first telescopic device comprises a telescopic actuator, a connecting seat and a fourth spring, the bottom end of the telescopic actuator is fixedly connected with the fixed lug through a third universal joint, the connecting seat is coaxially arranged at the top end of a telescopic working shaft of the telescopic actuator, the connecting seat is fixedly connected with one corner of the bottom end of the seat through a second universal joint, the fourth spring is coaxially sleeved on the telescopic working shaft of the telescopic actuator, and two ends of the fourth spring are respectively abutted against the top end of a machine body of the telescopic actuator and the bottom end of the connecting seat; the second expansion piece, the third expansion piece and the fourth expansion piece are completely the same as the first expansion piece in structure.
Preferably, a safety belt is also provided on the seat.
A VR display system and method for matching dynamic scenes includes the following steps: the method comprises the following steps: electrically connecting a multi-dimensional motion simulator controller with the VR display; step two: the user wears the head-wearing VR display, ties the safety belt and sits on the seat to observe the VR image;
step three: the multi-dimensional dynamic motion controller obtains an action script corresponding to each dynamic scene from the VR image;
step four: when the VR image generates a dynamic scene, the multi-dimensional dynamic motion controller sends control signals to the rotating mechanism, the swinging mechanism and the telescopic mechanism according to the corresponding action script;
and fifthly, changing the postures of the rotating mechanism, the swinging mechanism and the telescopic mechanism according to the control signals, wherein the working ends of the rotating mechanism, the swinging mechanism and the telescopic mechanism respectively rotate, swing back and forth and deflect left and right, and the corresponding postures of the seat are changed.
Compared with the prior art, the invention has the beneficial effects that:
the head-wearing VR display is worn by a user, the user sits on the seat to observe the VR image, the dynamic scene of the VR image (such as the fact that the VR image is a racing car, the dynamic scene comprises jolt, swing, drift and the like) is matched, the multidimensional dynamic motion device drives the seat to execute matched multidimensional motion, the VR image displays the jolt dynamic scene, the controller of the multidimensional dynamic motion device obtains an action script corresponding to each dynamic scene from the VR image, the multidimensional motion control is realized according to the action script, correspondingly, the multidimensional dynamic motion device generates the dynamic motion, when the image generates a rotating image, the controller controls the rotating mechanism to start to rotate, so as to control the posture of the user sitting on the seat, when the image generates a front-back swing image, the controller controls the working end of the swinging mechanism to drive the seat to swing, when the image generates front-back pitching or left-right deflection, the controller controls the telescopic mechanism to drive the seat to perform corresponding adjustment, when the image is pitched forwards and backwards, the working ends of the first expansion piece and the second expansion piece are lifted synchronously, the working ends of the third expansion piece and the fourth expansion piece are lifted synchronously, and the front side lifter and the rear side lifter have different strokes, so that the pitching effect is generated; when the image deflects left and right, the working ends of the first expansion piece and the third expansion piece are lifted synchronously, and the working ends of the second expansion piece and the fourth expansion piece are lifted synchronously, so that the left lifter and the right lifter have different strokes, and the left deflection effect and the right deflection effect are generated; first universal joint, second universal joint and third universal joint are used for satisfying the elasticity requirement of swing, every single move and deflection respectively to make the VR experience effect better.
The VR display system and method can transmit the virtual dynamic image to a user and can realize the control of multi-dimensional motion according to the action script.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a partial enlarged view of FIG. 4 at B;
FIG. 6 is an enlarged view of a portion of FIG. 4 at C;
FIG. 7 is a perspective view of the linear drive of the present invention;
FIG. 8 is a perspective view of the stationary base of the present invention;
FIG. 9 is an exploded perspective view of the swing arm and ball socket of the present invention;
FIG. 10 is a perspective view of a first retractor of the invention;
fig. 11 is a perspective view of a seat of the present invention.
The reference numbers in the figures are:
1. a seat; 1a, a first fixed seat; 1b, a second fixed seat; 1c, a connecting plate; 1d, a safety belt;
2. a rotating mechanism; 2a, fixing the outer cylinder; 2a1, carrying rotary groove; 2a2, mounting groove; 2a3, ring groove; 2b, fixing a base; 2b1, a rotating seat; 2b2, support plate; 2b3, first cylinder; 2c, a main shaft; 2d, a bearing; 2e, a fixing ring; 2f, an abutting ring; 2f1, second cylinder; 2g, fixing the gear ring; 2h, gears; 2i, a first servo motor; 2j, a turntable; 2j1, groove; 2j2, fixing ear; 2k, a first spring; 2l, a second spring; 2m, rolling beads;
3. a first universal joint;
4. a swing mechanism; 4a, a linear driving device; 4a1, fixing plate; 4a2, a third fixed seat; 4a3, a spacing bar; 4a4, through-hole threaded slider; 4a5 and a limiting block; 4a6, threaded shaft; 4a7, a synchronous belt transmission mechanism; 4a8, a second servomotor; 4a9, third spring; 4b, a pitch section; 4c, a fourth fixed seat; 4d, a swing arm; 4d1, a first fixed arm; 4d2, rolling ball; 4d3, a second fixed arm; 4e, swinging the shell; 4f, a first ball socket seat; 4f1, ball and socket surface; 4g, a second ball socket seat;
5. a telescoping mechanism; 5a, a first expansion piece; 5a1, telescopic actuator; 5a2, connecting seat; 5a3, fourth spring; 5b, a second expansion piece; 5c, a third expansion piece; 5d, a fourth expansion piece;
6. a second universal joint;
7. and a third universal joint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 11, the VR display system matched with a dynamic scene includes a head-mounted VR display and a multi-dimensional motion simulator, the multi-dimensional motion simulator includes a seat 1, a rotating mechanism 2, a first universal joint 3, a swinging mechanism 4, a telescopic mechanism 5, a second universal joint 6, a third universal joint 7 and a controller, a swinging working end of the swinging mechanism 4 is upward coaxially fixed at a top end of a rotating working part of the rotating mechanism 2, two ends of the first universal joint 3 are respectively fixedly connected with a swinging working end of the swinging mechanism 4 and a center position of a bottom end of the seat 1, one end of the second universal joint 6 is fixedly arranged at four corners of the bottom end of the seat 1, one end of the third universal joint 7 is respectively fixedly connected with a side surface of the rotating working part 2, a vertical projection of the second universal joint 6 coincides with the third universal joint 7, the telescopic mechanism 5 includes a first telescopic device 5a, The telescopic device comprises a second telescopic device 5b, a third telescopic device 5c and a fourth telescopic device 5d, wherein two ends of the telescopic device are fixedly connected with a second universal joint 6 and a third universal joint 7 respectively, and driving pieces are electrically connected with a controller.
The head-wearing VR display is worn by a user, the seat 1 is used for observing VR images, dynamic scenes such as racing cars are matched with the VR images, the dynamic scenes comprise jolting, swinging, drifting and the like, the multidimensional dynamic motion device drives the seat 1 to execute matched multidimensional motion, the VR images display the jolt dynamic scenes, a controller of the multidimensional dynamic motion device obtains action scripts corresponding to each dynamic scene from the VR images, the multidimensional motion control is realized according to the action scripts, correspondingly, the multidimensional dynamic motion device generates the dynamic motion, when the images generate rotating images, the controller controls the rotating mechanism 2 to start rotating, so that the posture of the user sitting on the seat 1 is controlled, when the images generate front-back swinging images, the controller controls the working end of the swinging mechanism 4 to drive the seat 1 to swing, when the images generate front-back pitching or left-right deflecting, the controller controls the telescopic mechanism 5 to drive the seat 1 to perform corresponding adjustment, namely when the image generates front and back pitching, the working ends of the first telescopic device 5a and the second telescopic device 5b synchronously lift, the working ends of the third telescopic device 5c and the fourth telescopic device 5d synchronously lift, and the strokes of the front and back side lifters are different, so that front and back pitching effects are generated; when the image deflects left and right, the working ends of the first expansion piece 5a and the third expansion piece 5c are lifted synchronously, and the working ends of the second expansion piece 5b and the fourth expansion piece 5d are lifted synchronously, so that the left lifter and the right lifter have different strokes, and the left deflection effect and the right deflection effect are generated; the first universal joint 3, the second universal joint 6 and the third universal joint 7 are used for meeting the requirements of swinging, pitching and deflecting elasticity respectively, so that the VR experience effect is better.
The seat is characterized in that a first fixing seat 1a is arranged at the center of the bottom end of the seat 1, second fixing seats 1b are further arranged at four corners of the bottom end of the seat 1, a connecting plate 1c is further arranged between the first fixing seat 1a and the second fixing seats 1b, the swing working end of the swing mechanism 4 is coaxially and fixedly connected with the first fixing seat 1a through a first universal joint 3, and the top end of the telescopic mechanism 5 is coaxially and fixedly connected with the second fixing seats 1b through a second universal joint 6.
The rotating mechanism 2 comprises a fixed outer cylinder 2a, a fixed base 2b, a main shaft 2c, a bearing 2d, a fixed ring 2e, a butting ring 2f, a fixed gear ring 2g, a gear 2h, a first servo motor 2i, a turntable 2j and a first spring 2k, wherein the fixed outer cylinder 2a is coaxially and sequentially provided with a receiving rotary groove 2a1 and a mounting groove 2a2, the fixed base 2b is coaxially and fixedly arranged inside a mounting groove 2a2, the top end of the fixed base 2b is coaxially provided with a rotating base 2b1, the top end of the fixed base 2b is axially and uniformly provided with a supporting plate 2b2, the supporting plate 2b2 is fixedly connected with the rotating base 2b1, the inner ring of the bearing 2d is coaxially and fixedly connected with the bottom end of the main shaft 2c, the outer ring of the bearing 2d is coaxially and fixedly connected with the inner wall of the rotating base 2b1, the fixed ring 2e is coaxially arranged at the top end of the rotating base 2b1, the fixed gear ring, the top of unable adjustment base 2b has first cylinder 2b3 along the axis equipartition, butt circle 2f bottom has second cylinder 2f1 along the axis equipartition, the vertical projection of second cylinder 2f1 coincides with first cylinder 2b3, the coaxial cover of first spring 2k is established on 2f3, first spring 2k both ends butt respectively at butt circle 2f bottom and unable adjustment base 2b top, gear 2h and the coaxial fixed connection of first servo motor 2i output shaft, gear 2h and the meshing of fixed ring gear 2g, the coaxial rotation of carousel 2j sets up in accepting rotary trough 2a1, main shaft 2c top is run through and is accepted rotary trough 2a1 and the coaxial fixed connection of carousel 2j bottom, swing mechanism 4 coaxial setting is on carousel 2j top.
The fixed outer cylinder 2a is coaxially and sequentially provided with a bearing rotary groove 2a1 and a mounting groove 2a2, a fixed base 2b is coaxially and fixedly arranged inside a mounting groove 2a2, the top end of the fixed base 2b is coaxially provided with a rotary seat 2b1, the top end of the fixed base 2b is uniformly provided with support plates 2b2 along the axial direction, the support plates 2b2 are fixedly connected with the rotary seat 2b1, so that the structure is more stable, the inner ring of a bearing 2d is coaxially and fixedly connected with the bottom end of a main shaft 2c, the outer ring of the bearing 2d is coaxially and fixedly connected with the inner wall of the rotary seat 2b1, so that the main shaft 2c can coaxially rotate in the rotary seat 2b1, a fixed ring 2e is coaxially arranged at the top end of the rotary seat 2b1, so that the bearing 2d is limited by the fixed ring 2e and arranged inside the rotary seat 2b1, a fixed ring gear 2g is coaxially fixed, the top end of the fixed base 2b is uniformly provided with first cylinders 2b3 along the axial line, the bottom end of the abutting ring 2f is uniformly provided with second cylinders 2f1 along the axial line, the vertical projection of the second cylinder 2f1 is superposed with the first cylinder 2b3, the first spring 2k is coaxially sleeved on the second cylinder 2f3, two ends of the first spring 2k are respectively abutted against the bottom end of the abutting ring 2f and the top end of the fixed base 2b, the gear 2h is coaxially and fixedly connected with the output shaft of the first servo motor 2i, the gear 2h is meshed with the fixed gear ring 2g, the turntable 2j is coaxially and rotatably arranged in the adapting rotary groove 2a1, the top end of the main shaft 2c penetrates through the adapting rotary groove 2a1 and is coaxially and fixedly connected with the bottom end of the turntable 2j, so that when the first servo motor 2i is started, the gear 2h and the output shaft of the first servo motor 2i coaxially rotate to enable the fixed gear ring 2g to coaxially rotate, and further enable, thereby causing the turntable 2j to coaxially rotate relative to the fixed outer cylinder 2a, and thereby causing the swing mechanism 4 to coaxially rotate.
Fixed urceolus 2a top slot part still is provided with annular 2a3, carousel 2j bottom along the axis equipartition fluted 2j1, slewing mechanism 2 still including second spring 2l and rolling pearl 2m, first spring 2k is coaxial to be set up inside recess 2j1, rolling pearl 2m is coaxial to be set up in carousel 2j bottom, under the operating condition, rolling pearl 2m butt under first spring 2k spring action on annular 2a 3.
Fixed urceolus 2a top slot part still is provided with annular 2a3, and carousel 2j bottom is along axis equipartition recess 2j1, and the coaxial setting of first spring 2k is inside recess 2j1, the coaxial setting of ball 2m rolls is in carousel 2j bottom, under the operating condition, ball 2m rolls butt on annular 2a3 under first spring 2k spring action, thereby when making carousel 2j relatively fixed urceolus 2a rotate, carousel 2j bottom and fixed urceolus 2a top slot part bottom contactless, thereby less frictional resistance, thereby make to rotate more rapidly.
The swing mechanism 4 comprises a linear driving device 4a, a pitch joint 4b, a fourth fixed seat 4c, a swing arm 4d, a swing shell 4e, a first ball socket seat 4f and a second ball socket seat 4g, the linear driving device 4a is coaxially arranged at the top end of a rotating working part of the rotating mechanism 2, one end of the pitch joint 4b is arranged at a sliding working part of the linear driving device 4a, the fourth fixed seat 4c is coaxially and fixedly connected with the other end of the pitch joint 4b, the swing arm 4d is coaxially fixed at the top end of the fourth fixed seat 4c, the swing shell 4e is sleeved outside the linear driving device 4a, the ball part of the swing arm 4d penetrates through the swing shell 4e, the top end of the swing arm 4d is fixedly connected with the bottom of the seat 1 through a first universal joint 3, and the penetrating part of the swing arm 4d and the swing shell 4e is rotatably connected through the first ball socket seat.
The linear driving device 4a is coaxially arranged at the top end of the rotating working part of the rotating mechanism 2, one end of the pitch joint 4b is arranged at the sliding working part of the linear driving device 4a, the fourth fixed seat 4c is coaxially and fixedly connected with the other end of the pitch joint 4b, the swing arm 4d is coaxially fixed at the top end of the fourth fixed seat 4c, the swing shell 4e is sleeved outside the linear driving device 4a, the ball part of the swing arm 4d penetrates through the swing shell 4e, the top end of the swing arm 4d is fixedly connected with the bottom of the seat 1 through the first universal joint 3, the penetrating part of the swing arm 4d and the swing shell 4e is rotatably connected through the first ball socket seat 4f and the second ball socket seat 4g, so that after the linear driving device 4a is started, the pitch joint 4b linearly moves along with the movable end of the linear driving device 4a, and the swing arm 4d swings around the first ball socket seat 4f and, so that the tip end of the swing arm 4d is deflected with respect to the linear drive device 4a, thereby swinging the seat 1.
The linear driving device 4a comprises a fixing plate 4a1, a third fixing seat 4a2, a limit strip 4a3, a through hole thread slider 4a4, a limit block 4a5, a thread shaft 4a6, a synchronous belt transmission mechanism 4a7, a second servo motor 4a8 and a third spring 4a9, wherein the fixing plate 4a1 is fixedly arranged at the top end of a rotating working part of the rotating mechanism 2, the third fixing seat 4a2 is fixedly arranged at two ends of the fixing plate 4a1, the limit strip 4a3 is coaxially arranged at two sides of the third fixing seat 4a2, the thread shaft 4a6 is coaxially and rotatably arranged on the third fixing seat 4a2, the through hole thread slider 6864 a9 is coaxially screwed on the thread shaft 4a6, the limit block 4a5 is coaxially arranged at two sides of the through hole thread slider 4a4, the limit block 4a5 is in limit sliding fit with the limit strip 4a3, two ends of the thread shaft 4a6 are connected with a synchronous belt transmission mechanism 7 and a synchronous servo motor output shaft 8, the third spring 4a9 is coaxially sleeved on the threaded shafts 4a6 at the two ends of the limit block 4a5, and the two ends of the third spring 4a9 are respectively abutted against the third fixed seat 4a2 and the through hole threaded slider 4a 4.
The fixed plate 4a1 is fixedly arranged at the top end of the rotary working part of the rotating mechanism 2, the third fixing seat 4a2 is fixedly arranged at two ends of the fixed plate 4a1, the limit strip 4a3 is coaxially arranged at two sides of the third fixing seat 4a2, the screw shaft 4a6 is coaxially and rotatably arranged on the third fixing seat 4a2, the through-hole screw slider 4a4 is coaxially screwed on the screw shaft 4a6, the limit block 4a5 is coaxially arranged at two sides of the through-hole screw slider 4a4, the limit block 4a5 is in limit sliding fit with the limit strip 4a3, two ends of the screw shaft 4a6 are synchronously and drivingly connected with the output shaft of the second servo motor 4a8 through the synchronous belt transmission mechanism 4a7, so that when the second servo motor 4a8 is started, the screw shaft 4a6 is synchronously rotated on the third fixing seat 4a2 through the synchronous belt transmission mechanism 4a7, and the through-hole screw slider 4a4 is screwed on the screw shaft 4a6 coaxially and affects the limit strip 8653 and the limit strip 868427, therefore, the through-hole threaded slider 4a4 slides on the fixing plate 4a1, the third spring 4a9 is coaxially sleeved on the threaded shafts 4a6 at the two ends of the limiting block 4a5, and the two ends of the third spring 4a9 are respectively abutted against the third fixing seat 4a2 and the through-hole threaded slider 4a4, so that the sliding process is more stable.
The swing arm 4d comprises a first fixing arm 4d1, a rotating ball 4d2 and a second fixing arm 4d3, the first fixing arm 4d1, the rotating ball 4d2 and the second fixing arm 4d3 are sequentially and coaxially fixedly connected, the second fixing arm 4d3 is fixedly connected with the top end of the pitching joint 4b, the first fixing arm 4d1 is fixedly connected with the bottom end of the seat 1 through a first universal joint 3, a ball socket surface 4f1 embedded with the ball socket 4b2 is arranged on the inner side of the first ball socket 4f, the second ball socket 4g and the second ball socket 4g are completely identical in structure, and the rotating ball 4d2 is rotatably arranged in a ball socket formed by the first ball socket 4f and the second ball socket 4 g.
The first fixed arm 4d1, the rotating ball 4d2 and the second fixed arm 4d3 are coaxially and fixedly connected in sequence, the second fixed arm 4d3 is fixedly connected with the top end of the pitch joint 4b, the first fixed arm 4d1 is fixedly connected with the bottom end of the seat 1 through the first universal joint 3, a ball-and-socket surface 4f1 embedded with the 4b2 is arranged on the inner side of the first ball socket 4f, the second ball socket 4g is identical in structure with the second ball socket 4g, and the rotating ball 4d2 is rotatably arranged in a ball socket formed by the first ball socket 4f and the second ball socket 4g, so that when the bottom end of the second fixed arm 4d3 deflects, the second fixed arm 4d3 is relatively reversely rotated in a ball socket formed by the first ball socket 4f and the second ball socket 4g by taking the rotating ball 4d2 as an axis, and the seat 1 tilts through the first universal joint 3.
Four fixing lugs 2j2 are axially arranged on the outer circumferential surface of the rotary table 2 j; the first telescopic device 5a comprises a telescopic actuator 5a1, a connecting seat 5a2 and a fourth spring 5a3, the bottom end of the telescopic actuator 5a1 is fixedly connected with a fixed lug 2j2 through a third universal joint 7, the connecting seat 5a2 is coaxially arranged at the top end of a telescopic working shaft of the telescopic actuator 5a1, the connecting seat 5a2 is fixedly connected with one corner of the bottom end of the seat 1 through a second universal joint 6, the fourth spring 5a3 is coaxially sleeved on the telescopic working shaft of the telescopic actuator 5a1, and two ends of the fourth spring 5a3 are respectively abutted against the top end of a machine body of the telescopic actuator 5a1 and the bottom end of the connecting seat 5a 2; the second jack 5b, the third jack 5c and the fourth jack 5d are identical in structure to the first jack 5 a.
Four fixing lugs 2j2 are axially arranged on the outer circumferential surface of the rotary table 2 j; the bottom end of the telescopic actuator 5a1 is fixedly connected with a fixed lug 2j2 through a third universal joint 7, a connecting seat 5a2 is coaxially arranged at the top end of a telescopic working shaft of the telescopic actuator 5a1, the connecting seat 5a2 is fixedly connected with one corner of the bottom end of the seat 1 through a second universal joint 6, a fourth spring 5a3 is coaxially sleeved on the telescopic working shaft of the telescopic actuator 5a1, two ends of the fourth spring 5a3 are respectively abutted to the top end of a body of the telescopic actuator 5a1 and the bottom end of a connecting seat 5a2, namely when an image generates front and back pitching, the working ends of the telescopic actuator 5a1 and the second telescopic actuator 5b synchronously ascend and descend and the working ends of the third telescopic actuator 5c and the fourth telescopic actuator 5d synchronously, and the strokes of the front and back side lifters are different, so as to generate front and back pitching; when the image is deflected left and right, the working ends of the telescopic actuator 5a1 and the third telescopic actuator 5c are lifted synchronously, and the working ends of the second telescopic actuator 5b and the fourth telescopic actuator 5d are lifted synchronously, so that the strokes of the left and right lifters are different, and the left and right deflection effect is generated, and the fourth spring 5a3 is used for damping.
The seat 1 is also provided with a seat belt 1 d.
During the multi-dimensional movement, the user is fixed to the seat 1 by the safety belt 1d, enhancing safety.
A VR display system and method for matching dynamic scenes includes the following steps:
the method comprises the following steps: electrically connecting a multi-dimensional motion simulator controller with the VR display;
step two: the user wears the head-wearing VR display, fastens the safety belt 1d, and sits on the seat 1 to observe VR images;
step three: the multi-dimensional dynamic motion controller obtains an action script corresponding to each dynamic scene from the VR image;
step four: when a VR image generates a dynamic scene, the multi-dimensional dynamic motion controller sends control signals to the rotating mechanism 2, the swinging mechanism 4 and the telescopic mechanism 5 according to corresponding action scripts;
and fifthly, changing the postures of the rotating mechanism 2, the swinging mechanism 4 and the telescopic mechanism 5 according to the control signals, respectively rotating the working ends of the rotating mechanism 2, the swinging mechanism 4 and the telescopic mechanism 5, swinging forwards and backwards, deflecting left and right, and changing the corresponding postures of the seat 1.
The working principle of the invention is as follows:
the head-wearing VR display is worn by a user, the seat 1 is used for observing VR images, dynamic scenes such as racing cars are matched with the VR images, the dynamic scenes comprise jolting, swinging, drifting and the like, the multidimensional dynamic motion device drives the seat 1 to execute matched multidimensional motion, the VR images display the jolt dynamic scenes, a controller of the multidimensional dynamic motion device obtains action scripts corresponding to each dynamic scene from the VR images, the multidimensional motion control is realized according to the action scripts, correspondingly, the multidimensional dynamic motion device generates the dynamic motion, when the images generate rotating images, the controller controls the rotating mechanism 2 to start rotating, so that the posture of the user sitting on the seat 1 is controlled, when the images generate front-back swinging images, the controller controls the working end of the swinging mechanism 4 to drive the seat 1 to swing, when the images generate front-back pitching or left-right deflecting, the controller controls the telescopic mechanism 5 to drive the seat 1 to perform corresponding adjustment, namely when the image generates front and back pitching, the working ends of the first telescopic device 5a and the second telescopic device 5b synchronously lift, the working ends of the third telescopic device 5c and the fourth telescopic device 5d synchronously lift, and the strokes of the front and back side lifters are different, so that front and back pitching effects are generated; when the image deflects left and right, the working ends of the first expansion piece 5a and the third expansion piece 5c are lifted synchronously, and the working ends of the second expansion piece 5b and the fourth expansion piece 5d are lifted synchronously, so that the left lifter and the right lifter have different strokes, and the left deflection effect and the right deflection effect are generated; the first universal joint 3, the second universal joint 6 and the third universal joint 7 are used for meeting the requirements of swinging, pitching and deflecting elasticity respectively, so that the VR experience effect is better.
Claims (10)
1. A VR display system matched with a dynamic scene is characterized by comprising a head-mounted VR display and a multi-dimensional motion simulator, wherein the multi-dimensional motion simulator comprises a seat (1), a rotating mechanism (2), a first universal joint (3), a swinging mechanism (4), a telescopic mechanism (5), a second universal joint (6), a third universal joint (7) and a controller, the swinging working end of the swinging mechanism (4) is upwards coaxially fixed at the top end of the rotating working part of the rotating mechanism (2), two ends of the first universal joint (3) are respectively fixedly connected with the swinging working end of the swinging mechanism (4) and the central position of the bottom end of the seat (1), one end of the second universal joint (6) is fixedly arranged at four corners of the bottom end of the seat (1), one end of the third universal joint (7) is respectively fixedly connected with four corners of the side surface of the rotating working end of the rotating mechanism (2), the vertical direction projection of second universal joint (6) coincides with third universal joint (7), and telescopic machanism (5) are including first expansion bend (5a), second expansion bend (5b), third expansion bend (5c) and fourth expansion bend (5d), the expansion bend both ends respectively with second universal joint (6) and third universal joint (7) fixed connection, the mechanism all is connected with the controller electricity.
2. The VR display system for matching dynamic scenes according to claim 1, wherein a first fixed seat (1a) is arranged at a center position of a bottom end of the seat (1), second fixed seats (1b) are further arranged at four corners of the bottom end of the seat (1), a connecting plate (1c) is further arranged between the first fixed seat (1a) and the second fixed seat (1b), a swing working end of the swing mechanism (4) is coaxially and fixedly connected with the first fixed seat (1a) through a first universal joint (3), and a top end of the telescopic mechanism (5) is coaxially and fixedly connected with the second fixed seat (1b) through a second universal joint (6).
3. The VR display system for matching dynamic scenes according to claim 1, wherein the rotating mechanism (2) comprises a fixed outer cylinder (2a), a fixed base (2b), a main shaft (2c), a bearing (2d), a fixed ring (2e), a butting ring (2f), a fixed gear ring (2g), a gear (2h), a first servo motor (2i), a turntable (2j) and a first spring (2k), the fixed outer cylinder (2a) is coaxially and sequentially provided with a bearing rotary groove (2a1) and a mounting groove (2a2), the fixed base (2b) is coaxially and fixedly arranged inside the mounting groove (2a2), the top end of the fixed base (2b) is coaxially provided with a rotating seat (2b1), the top end of the fixed base (2b) is axially and uniformly provided with supporting plates (2b2), the supporting plates (2b2) are fixedly connected with the rotating seat (2b1), the inner ring of a bearing (2d) is coaxially and fixedly connected with the bottom end of a main shaft (2c), the outer ring of the bearing (2d) is coaxially and fixedly connected with the inner wall of a rotating seat (2b1), a fixed ring (2e) is coaxially arranged at the top end of the rotating seat (2b1), a fixed gear ring (2g) is coaxially fixed on the main shaft (2c), a butting ring (2f) is coaxially butted at the bottom end of the fixed gear ring (2g), first cylinders (2b3) are uniformly distributed at the top end of the fixed base (2b) along the axial line, second cylinders (2f1) are uniformly distributed at the bottom end of the butting ring (2f1) along the axial line, the vertical projection of the second cylinders (2f1) is superposed with a first cylinder (2b3), a first spring (2k) is coaxially sleeved on a 2f3, two ends of the first spring (2k) are respectively butted at the bottom end of the butting ring (2f) and the top end of the fixed base (2b), and a gear (2h, the gear (2h) is meshed with the fixed gear ring (2g), the turntable (2j) is coaxially and rotatably arranged in the bearing rotary groove (2a1), the top end of the main shaft (2c) penetrates through the bearing rotary groove (2a1) and is coaxially and fixedly connected with the bottom end of the turntable (2j), and the swing mechanism (4) is coaxially arranged at the top end of the turntable (2 j).
4. The VR display system for matching dynamic scenes of claim 3, wherein the groove at the top end of the fixed outer cylinder (2a) is further provided with a ring groove (2a3), the bottom end of the rotating disc (2j) is uniformly provided with grooves (2j1) along the axis, the rotating mechanism (2) further comprises a second spring (2l) and a rolling ball (2m), the first spring (2k) is coaxially arranged inside the groove (2j1), the rolling ball (2m) is coaxially arranged at the bottom end of the rotating disc (2j), and in an operating state, the rolling ball (2m) abuts against the ring groove (2a3) under the elastic force of the first spring (2 k).
5. The VR display system for matching dynamic scenes according to claim 1, wherein the swing mechanism (4) comprises a linear driving device (4a), a pitch joint (4b), a fourth fixed seat (4c), a swing arm (4d), a swing housing (4e), a first ball socket seat (4f) and a second ball socket seat (4g), the linear driving device (4a) is coaxially arranged at the top end of the rotating work part of the rotating mechanism (2), one end of the pitch joint (4b) is arranged at the sliding work part of the linear driving device (4a), the fourth fixed seat (4c) is coaxially and fixedly connected with the other end of the pitch joint (4b), the swing arm (4d) is coaxially fixed at the top end of the fourth fixed seat (4c), the swing housing (4e) is sleeved outside the linear driving device (4a), and the swing arm (4d) penetrates through the swing housing (4e), the top end of the swing arm (4d) is fixedly connected with the bottom of the seat (1) through a first universal joint (3), and the penetrating part of the swing arm (4d) and the swing shell (4e) is rotatably connected through a first ball socket seat (4f) and a second ball socket seat (4 g).
6. The VR display system for matching dynamic scenes according to claim 5, wherein the linear driving device (4a) comprises a fixing plate (4a1), a third fixing seat (4a2), a limit strip (4a3), a through-hole threaded slider (4a4), a limit block (4a5), a threaded shaft (4a6), a synchronous belt transmission mechanism (4a7), a second servo motor (4a8) and a third spring (4a9), the fixing plate (4a1) is fixedly arranged at the top end of the rotating working part of the rotating mechanism (2), the third fixing seat (4a2) is fixedly arranged at two ends of the fixing plate (4a1), the limit strip (4a3) is coaxially arranged at two sides of the third fixing seat (4a2), the threaded shaft (4a6) is coaxially and rotatably arranged on the third fixing seat (4a2), the through-hole threaded slider (4a4) is screwed on the threaded shaft (4a6), the limiting block (4a5) is coaxially arranged on two sides of the through hole threaded slider (4a4), the limiting block (4a5) is in limiting sliding fit with the limiting strip (4a3), two ends of the threaded shaft (4a6) are in synchronous transmission connection with an output shaft of the second servo motor (4a8) through a synchronous belt transmission mechanism (4a7), the third spring (4a9) is coaxially sleeved on the threaded shafts (4a6) at two ends of the limiting block (4a5), and two ends of the third spring (4a9) are respectively abutted to the third fixing seat (4a2) and the through hole threaded slider (4a 4).
7. The VR display system of claim 1, wherein the swing arm (4d) includes a first fixed arm (4d1), a rotating ball (4d2) and a second fixed arm (4d3), the first fixed arm (4d1), the rotating ball (4d2) and the second fixing arm (4d3) are sequentially and coaxially fixedly connected, the second fixing arm (4d3) is fixedly connected with the top end of the pitching joint (4b), the first fixing arm (4d1) is fixedly connected with the bottom end of the seat (1) through the first universal joint (3), a ball socket surface (4f1) embedded with the first ball socket seat (4b 2) is arranged on the inner side of the first ball socket seat (4f), the second ball socket seat (4g) is completely identical to the second ball socket seat (4g) in structure, and the rotating ball (4d2) is rotatably arranged in a ball seat formed by the first ball socket seat (4f) and the second ball socket seat (4 g).
8. A VR display system for matching dynamic scenes as claimed in claim 3, characterized in that the outer circumferential surface of the turntable (2j) is provided with four fixing lugs (2j2) in the axial direction; the first telescopic device (5a) comprises a telescopic actuator (5a1), a connecting seat (5a2) and a fourth spring (5a3), the bottom end of the telescopic actuator (5a1) is fixedly connected with a fixed lug (2j2) through a third universal joint (7), the connecting seat (5a2) is coaxially arranged at the top end of a telescopic working shaft of the telescopic actuator (5a1), the connecting seat (5a2) is fixedly connected with one corner of the bottom end of the seat (1) through a second universal joint (6), the fourth spring (5a3) is coaxially sleeved on the telescopic working shaft of the telescopic actuator (5a1), and two ends of the fourth spring (5a3) are respectively abutted to the top end of a machine body of the telescopic actuator (5a1) and the bottom end of the connecting seat (5a 2); the second expansion piece (5b), the third expansion piece (5c) and the fourth expansion piece (5d) have the same structure as the first expansion piece (5 a).
9. A VR display system for matching dynamic scenes as claimed in claim 1, characterised in that a safety belt (1d) is also arranged on the seat (1).
10. The VR display system for matching dynamic scenes of claims 1-9, comprising the steps of:
the method comprises the following steps: electrically connecting a multi-dimensional motion simulator controller with the VR display; step two: the user wears the head-wearing VR display, fastens the safety belt (1d), and sits on the seat (1) to observe VR images;
step three: the multi-dimensional dynamic motion controller obtains an action script corresponding to each dynamic scene from the VR image;
step four: when a VR image generates a dynamic scene, the multi-dimensional dynamic motion controller sends control signals to the rotating mechanism (2), the swinging mechanism (4) and the telescopic mechanism (5) according to the corresponding action script;
and fifthly, changing the postures of the rotating mechanism (2), the swinging mechanism (4) and the telescopic mechanism (5) according to the control signals, respectively rotating the working ends of the rotating mechanism (2), the swinging mechanism (4) and the telescopic mechanism (5), swinging forwards and backwards, deflecting left and right, and changing the corresponding postures of the seat (1).
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