CN117311011A

CN117311011A - Holographic display instrument and display method

Info

Publication number: CN117311011A
Application number: CN202210301759.8A
Authority: CN
Inventors: 徐可
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-04
Filing date: 2022-03-25
Publication date: 2023-12-29

Abstract

The invention discloses a holographic display instrument and a display method, wherein the display instrument comprises a supporting seat, a circulating conveying mechanism, at least two groups of display modules, a sensing unit and a master controller are arranged on the supporting seat, the sensing unit is fixed on the display modules, the at least two groups of display modules are uniformly distributed on the circulating conveying mechanism, each display module is in sliding connection with the circulating conveying mechanism, the display modules and the sensing unit are electrically connected with the master controller, the method is that three-dimensional animation is input into the master controller, N static three-dimensional images are intercepted by the master controller in equal time every second, and each static three-dimensional image is decomposed into continuous pixel information layer by layer; and the master controller sends the corresponding pixel information to a display module at a corresponding position for display, so that the phenomenon of distortion of imaging is avoided.

Description

Holographic display instrument and display method

Technical Field

The invention belongs to the technical field of three-dimensional display, and particularly relates to a holographic display and a display method.

Background

At present, three-dimensional display technologies in life comprise a 3D film technology, a VR technology, a holographic film projection technology, a fan screen display technology, a pseudo-holographic projection technology and a transparent double-sided OLED screen high-speed rotary holographic imaging, wherein the 3D film technology requires a person to wear 3D glasses, the 3D glasses reduce the brightness of pictures and influence visual effects, the VR technology requires the person to bring VR glasses with larger volume, and an experimenter can only see the content in the VR glasses, so that sharing and real-time interaction with people at hand cannot be performed; the holographic film projection technology and the fan screen display technology are based on the plane imaging principle, and the pseudo-holographic projection utilizes the light reflection principle to reflect images in a screen to different angles through transparent glass, so that the holographic film projection technology, the fan screen display technology and the pseudo-holographic projection are not holographic three-dimensional display technologies in the true sense, and in addition, the transparent double-sided OLED screen high-speed rotary holographic imaging technology has the defects of distortion and uneven imaging due to different pixel dotted line speeds at different positions of the rotation of the OLED screen.

Disclosure of Invention

In order to solve the technical problems, the invention provides a holographic display and a display method.

The specific scheme is as follows:

the utility model provides a holographic display appearance, includes the supporting seat, be provided with circulation transport mechanism, two at least groups of display module assembly, sensing unit and master controller on the supporting seat, sensing unit is fixed on the display module assembly, and two at least groups of display module assembly evenly distributed is on circulation transport mechanism, and every display module assembly all with circulation transport mechanism sliding connection, circulation transport mechanism, display module assembly and sensing unit all are connected with master controller electricity.

The circulating conveying mechanism comprises a first circulating conveying unit and a second circulating conveying unit, the first circulating conveying unit and the second circulating conveying unit are fixed on the supporting seat in parallel, and each display module is respectively connected with the first circulating conveying unit and the second circulating conveying unit in a sliding mode.

The first circulating conveying unit and the second circulating conveying unit comprise an annular guide rail, a driving wheel, a driven wheel and a conveying belt, wherein the annular guide rail, the driving wheel and the driven wheel are fixed on a supporting seat, the driving wheel and the driven wheel are positioned at two ends of an inner ring of the annular guide rail, the circulating conveying mechanism further comprises a driving motor, the driving motor is rotationally connected with the driving wheel, the driving wheel is rotationally connected with the driven wheel through the conveying belt, and the conveying belt is parallel to the annular guide rail.

The height of the annular guide rail in the first circulating conveying unit on the supporting seat is larger than or smaller than that of the annular guide rail in the second circulating conveying unit on the supporting seat, the annular guide rail comprises a first circular arc section, a second circular arc section, a first linear guide rail section and a second linear guide rail section, wherein two ends of the first linear guide rail section are tangent with the highest point on the first circular arc section and the highest point on the second circular arc section respectively, two ends of the second linear guide rail section are tangent with the lowest point on the first circular arc section and the lowest point on the second circular arc section 22 respectively, the first circular arc section, the second circular arc section, the first linear guide rail section and the second linear guide rail section comprise a track substrate, a first rail surface and a second rail surface, the cross sections of the first rail surface and the second rail surface are trapezoid, and the first rail surface and the second rail surface are fixed on two opposite sides of the track substrate.

The automatic display device is characterized in that a connecting piece is fixedly arranged on the conveying belt, a pin hole is formed in the connecting piece, a sliding block is arranged on the display module, a pin shaft is arranged on the sliding block, and the sliding block is detachably connected with the connecting piece through the pin shaft and the pin hole.

The connecting piece is any one of an L-shaped connecting piece, a T-shaped connecting piece or an I-shaped connecting piece, at least two rollers are arranged on the sliding block and respectively contacted with the first rail surface and the second rail surface.

Each display module comprises a display, a display bearing block, a first supporting shaft and a second supporting shaft, wherein the display is fixed on the display bearing block, two ends of the display bearing block are fixedly connected with one end of the first supporting shaft and one end of the second supporting shaft respectively, sliding blocks are hinged to the other end of the first supporting shaft and the other end of the second supporting shaft respectively, the first supporting shaft and the second supporting shaft are not coaxial, the first supporting shaft is in sliding connection with a circular guide rail in a first circulating conveying unit through the sliding blocks, and the second supporting shaft is in sliding connection with the circular guide rail in the second circulating conveying unit through the sliding blocks.

The automatic detection device is characterized in that support columns are respectively arranged on the support base and positioned at two end heads of the annular guide rail, the annular guide rail is fixed on the support base through the support columns, the driving wheel and the driven wheel are hinged with the support columns, the sensing unit comprises a magnet and a Hall sensor, the magnet is fixed on the support columns and aligned with the highest rail surface of the annular guide rail, the Hall sensor is fixed on the sliding block, the display is a display for wireless energy supply and wireless signal transmission, and the total controller is an industrial personal computer or a PC (personal computer)

A display method of a holographic display, comprising the steps of:

s1): the method comprises the steps that a slice area is built according to an imaging area of a holographic display, the slice area and the imaging area are cuboid with the same volume, the length L of the imaging area is the length of a first linear guide rail section, the width W of the imaging area is the length of a display, the height H of the imaging area is the width of the display, the imaging area comprises a left view surface, a right view surface, an upper view surface, a front view surface and a rear view surface, the left view surface which is close to the first circular arc section and is the imaging area, the right view surface which is close to the second circular arc section 22 and is the imaging area, the plane on which the top end of the display is located is the upper view surface of the imaging area, the plane which comprises the first linear guide rail section and is perpendicular to the display is the front view surface or the rear view surface, and the front view surface or the rear view surface is oppositely arranged; the orientation of the five viewing surfaces of the five viewing surface area imaging areas of the slice area is the same;

s2): acquiring a three-dimensional image, wherein the three-dimensional image comprises a dynamic three-dimensional image and a static three-dimensional image, intercepting the three-dimensional image for N times in each second in an equal time interval mode to obtain N intercepted static three-dimensional images, and numbering the intercepted static three-dimensional images according to the intercepting time sequence; namely 001, 002, 003.

S3): sequentially placing the intercepted N static three-dimensional images in a slicing area according to the serial number sequence at equal time intervals, wherein the time intervals are 1/N seconds, one static three-dimensional image is switched every 1/N seconds, and the center of each intercepted three-dimensional image is overlapped with the center of the slicing area by default;

s4): establishing a hidden rectangular slice which is overlapped with the left view surface of the slice area and has the same size at the left view surface of the slice area, and establishing a plane rectangular coordinate system which takes the lower left corner as an original point, takes the length as an X axis and takes the width as a Y axis on the hidden rectangular slice, wherein the front view surface of the vertical imaging area is outwards in the positive direction of the X axis, and the vertical upward direction is in the positive direction of the Y axis;

s5): on the lower edge line of the front view surface of the imaging area, taking the intersection point of the lower edge line of the left view surface and the lower edge line of the front view surface as a starting point, and uniformly spacing linear array L/d position points along the direction vertical to the left view surface, wherein the array spacing is d, the L/d position points are positioned at the intersection point of the lower edge line of the right view surface and the lower edge line of the front view surface, and the position points are numbered in sequence from the left view surface, namely 1, 2, 3, 4, 5 and 6.

S6): the method comprises the steps that invisible rectangular slices are linearly arrayed to a right viewing surface at equal intervals along the direction perpendicular to the left viewing surface based on the left viewing surface, the array interval is d, and the invisible rectangular slices are numbered from the left viewing surface in sequence, namely 1, 2, 3, 4, 5 and 6.

S7): in every 1/N second, simultaneously recording the coordinate position and color information of each pixel point on the three-dimensional image contour, which is overlapped with each three-dimensional image, in the plane rectangular coordinate system of the invisible rectangular slice, wherein the contour pixel point information number recorded by each invisible rectangular slice is the same as the corresponding invisible slice rectangular number, and is arranged according to the sequence of 1 to L/d and stored in a master controller;

s8): and the master controller determines the position point number of the display module according to the Hall sensor, the time and the transmission speed of the transmission belt, and sends the stored contour pixel point information with the same number to the display module at the corresponding position for display.

The invention discloses a holographic display and a display method, which adopts a circulating conveying mechanism to enable a sensing unit to be matched with each other, so that a display module is lightened to display corresponding pictures when moving to the upper part of the circulating conveying mechanism.

Drawings

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

Fig. 2 is a side view of fig. 1.

Fig. 3 is a schematic view of the structure in which the rollers contact the endless track.

Fig. 4 is a schematic view of the structure of the V-shaped rail.

Fig. 5 is a schematic diagram showing the connection relationship of the module to the endless track and the conveyor belt.

Fig. 6 is a schematic diagram of the connection relationship of the display screen, the first support shaft and the second support shaft.

Fig. 7 is a schematic view of the structure of the slice area and the invisible rectangle slice.

Fig. 8 is a schematic diagram of segmentation of a static three-dimensional image into connected two-dimensional images.

Fig. 9 is a schematic diagram of a structure when a holographic display displays a three-dimensional image.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present invention. It will be apparent to those skilled in the art that the described embodiments are only a part, but not all, of the implementations of the invention, and that all other embodiments, based on which those skilled in the art will come to lie within the scope of the invention without making any inventive effort.

As shown in fig. 1 to 2, a holographic display instrument comprises a supporting seat 3, wherein a circulating conveying mechanism, at least two groups of display modules, a sensing unit and a master controller 7 are arranged on the supporting seat 3, the sensing unit is fixed on the display modules, at least two groups of display modules are uniformly distributed on the circulating conveying mechanism, each display module is in sliding connection with the circulating conveying mechanism, and the circulating conveying mechanism, the display modules and the sensing unit are all electrically connected with the master controller 7.

The circulating conveying mechanism comprises a first circulating conveying unit and a second circulating conveying unit, the first circulating conveying unit and the second circulating conveying unit are fixed on the supporting seat 3 in parallel, and each display module is respectively connected with the first circulating conveying unit and the second circulating conveying unit in a sliding mode.

The first circulation conveying unit and the second circulation conveying unit comprise an annular guide rail 5, a driving wheel 6, a driven wheel 1 and a conveying belt 4, wherein the annular guide rail 5, the driving wheel 6 and the driven wheel 1 are all fixed on a supporting seat 3, the driving wheel 6 and the driven wheel 1 are positioned at two ends of an inner ring of the annular guide rail 5, the circulation conveying mechanism further comprises a driving motor 8, the driving motor 8 is rotationally connected with the driving wheel 6, the driving wheel 6 is rotationally connected with the driven wheel 1 through the conveying belt 4, the conveying belt 4 is parallel to the annular guide rail 5, in the embodiment, the driving motor 8 is preferably a double-shaft motor so as to drive two groups of driving wheels 6 simultaneously, the driving wheel 6 in the first circulation conveying unit is rotationally connected with one shaft of the double-shaft motor through a synchronous belt, the driving wheel 6 in the second circulation conveying unit is rotationally connected with the other shaft of the double-shaft motor through the synchronous belt, the double-shaft motor ensures that the speed of the conveying belt 4 in the first circulation conveying unit is identical with the speed of the conveying belt 4 in the second circulation conveying unit, and further ensures that the line of a display module is consistent in the circulation conveying mechanism, and imaging non-uniform phenomenon is avoided.

The height of the annular guide rail 5 in the first circulating conveying unit on the supporting seat 3 is larger or smaller than that of the annular guide rail 5 in the second circulating conveying unit on the supporting seat 3, as shown in fig. 4, the annular guide rail 5 comprises a first circular arc section 20, a second circular arc section 22, a first linear guide section 21 and a second linear guide section 23, wherein two ends of the first linear guide section 21 are tangent with the highest point on the first circular arc section 20 and the highest point on the second circular arc section 22 respectively, two ends of the second linear guide section 23 are tangent with the lowest point on the first circular arc section 20 and the lowest point on the second circular arc section 22 respectively, the first circular arc section 20, the second circular arc section 22, the first linear guide section 21 and the second linear guide section 23 comprise a track substrate 25, a first track surface 18 and a second track surface 19, the cross sections of the first track surface 18 and the second track surface 19 are trapezoid, and the first track surface 18 and the second track surface 19 are fixed on two opposite side surfaces of the track substrate 25. In the present embodiment, the height of the endless guide 5 in the first endless conveying unit on the support base 3 is set smaller than the height of the endless guide 5 in the second endless conveying unit on the support base 3.

As shown in fig. 3, the conveyor belt 4 is fixedly provided with a connecting piece 14, the connecting piece 14 is provided with a pin hole 15, the display module is provided with a sliding block 12, the sliding block 12 is provided with a pin shaft, the sliding block 12 is detachably connected with the connecting piece 14 through the pin shaft and the pin hole 15, the sliding block 12 is detachably connected with the connecting piece 14, the later maintenance is facilitated, and the connecting piece is fixed on the conveyor belt 4 through a rivet.

The connecting piece 14 is any one of an L-shaped connecting piece, a T-shaped connecting piece or an I-shaped connecting piece, in this embodiment, the connecting piece 14 is preferably an L-shaped connecting piece, and the sliding block 12 is provided with at least two rollers 16, and the at least two rollers 16 are respectively contacted with the first rail surface 18 and the second rail surface 19. The number of the rollers 16 is preferably four, and the four rollers 16 are uniformly arranged on the sliding block 12, wherein two rollers 16 are in contact connection with the first rail surface 18, and the other two rollers 16 are in contact connection with the second rail surface 19.

In this embodiment, the number of the display modules is preferably six, and the six display modules are uniformly and slidably disposed on the circulating conveying track, as shown in fig. 2, where two ends of the display modules are driven by the conveying belt 4 to slide along the annular guide rail 5, specifically, sequentially pass through the first circular arc section 20, the first linear guide rail section 21, the second circular arc section 22, and the second linear guide rail section 23 of the annular guide rail 5 in fig. 2 to complete a closed-loop motion.

As shown in fig. 5 to 6, each display module comprises a display 13, a display bearing block 10, a first supporting shaft 9 and a second supporting shaft 11, wherein the display 13 is fixed on the display bearing block 10, two ends of the display bearing block 10 are fixedly connected with one end of the first supporting shaft 9 and one end of the second supporting shaft 11 respectively, the other end of the first supporting shaft 9 and the other end of the second supporting shaft 11 are hinged with sliding blocks 12, the first supporting shaft 9 and the second supporting shaft 11 are not coaxial, the first supporting shaft 9 is in sliding connection with the annular guide rail 5 in the first circulating conveying unit through the sliding blocks 12, and the second supporting shaft 11 is in sliding connection with the annular guide rail 5 in the second circulating conveying unit through the sliding blocks 12.

In this embodiment, the first support shaft 9 and the second support shaft 11 are not coaxial, and meanwhile, the heights of the two annular guide rails 5 on the support base 3 are inconsistent, so that the display module is not overturned due to self gravity, and a foundation is provided for the linear movement of the display module.

The support seat 3 is provided with a support column 2, the annular guide rail 5 is fixed on the support seat 3 through the support column 2, the driving wheel 6 and the driven wheel 1 are hinged with the support column 2, the sensing unit comprises a magnet and a Hall sensor 17, the magnet is fixed on the support column 2 and aligned with the highest rail surface of the annular guide rail 5, the Hall sensor 17 is fixed on a sliding block 12, the display 13 is a display 13 for wireless power supply and wireless signal transmission, and the total controller 7 is an industrial personal computer or a PC.

The display 13 with wireless function and wireless signal transmission belongs to the prior art, the application date is 2019, 12, 20, and the application number is 2019113286391, and the patent name is a display based on wireless energy supply and wireless signal transmission.

In this embodiment, a display controller is disposed in the display 13, the hall sensor 17 is electrically connected to the display controller, the magnets are located on the support columns 2 at two ends of the first linear guide rail section 21 in fig. 2, the positions of the magnets on the support columns 2 are flush with the first linear guide rail section 21, and the display module is driven by the conveyor belt 4 to circularly slide along the annular guide rail 5.

When the display module is moved onto the first linear guide rail section 21 by the first circular arc section 20, the Hall sensor 17 detects the magnet on the support column 2, at this time, the Hall sensor transmits an induced electric signal into the display screen, the display screen is lightened, meanwhile, the master controller transmits pixel information of a corresponding position onto the display screen for display according to the signal transmitted by the Hall sensor and the transmission speed of the conveyor belt 4, the position of the magnet on the support column 2 at the left end of the first linear guide rail section 21 is taken as a starting point, namely the point A in fig. 2, and the transmission speed of the conveyor belt 4 is combined, and according to the interval time, the master controller can acquire the position of the display module at the first linear guide rail section 21 in real time and transmit the pixel image of the corresponding position onto the display screen for display.

The display module continues to move under the action of the driving of the conveying belt 4, when the display module moves to the right end of the first linear guide rail section 21, the Hall sensor 17 detects the magnet positioned on the other support column 3, at the moment, the Hall sensor transmits the sensed electric signal to the display screen again, at the moment, the display screen controller extinguishes the display screen, and the display module passes through the second circular arc section 22 and continuously slides into the second linear guide rail section 23 so as to facilitate the circulating motion.

In this embodiment, the number of display modules on the first linear guide section 21 is the same as the number of display modules on the second linear guide section 23, so that it is ensured that the display of three-dimensional images is performed without interruption, as shown in fig. 2, at this time, the number of display modules on the first linear guide section 21 is two, the number of display modules on the second linear guide section 23 is also two, and the number of display modules at both positions is the same.

The display module is only in a display state when it is positioned on the first linear guide section 21. The imaging area of the holographic display is an area where the display screen passes on the first linear guide rail section 21, the magnet arranged on the left support column 2 in fig. 1 is the left end of the imaging area, the permanent magnet arranged on the right support column 2 in fig. 1 is the right end of the imaging area, and the imaging space 24 is a cuboid space with the track length of the first linear guide rail section 21 being long, the display screen length being wide, and the display screen width being high, as shown in fig. 9.

As shown in fig. 7 to 8, a display method of a holographic display includes the steps of:

s1): the method comprises the steps that a slice area is established according to an imaging area of a holographic display, the slice area and the imaging area are cuboid with the same volume, the length L of the imaging area is the length of a first linear guide rail section 21, the width W of the imaging area is the length of the display, the height H of the imaging area is the width of the display, the imaging area comprises a left viewing surface 26, a right viewing surface 30, an upper viewing surface 29, a front viewing surface 28 and a rear viewing surface, the left viewing surface 26 which is the imaging area near a first circular arc section 20, the right viewing surface 30 which is the imaging area near a second circular arc section 22, the upper viewing surface 29 which is the imaging area on the top of the display, and the plane which comprises the first linear guide rail section 21 and is perpendicular to the display, wherein the front viewing surface 28 or the rear viewing surface is oppositely arranged; the orientation of the five viewing surfaces of the five viewing surface area imaging areas of the slice area is the same;

s4): establishing a hidden rectangular slice 27 which is overlapped with the left view surface of the slice area and has the same size at the left view surface of the slice area, and establishing a plane rectangular coordinate system which takes the lower left corner as an origin, takes the length as an X axis and takes the width as a Y axis on the hidden rectangular slice 27, wherein the front view surface 28 of the vertical imaging area is outwards in the positive direction of the X axis, and the vertical upper view surface 29 is upwards in the positive direction of the Y axis;

s5): on the lower edge line of the front view surface of the imaging area, taking the intersection point of the lower edge line of the left view surface and the lower edge line of the front view surface as a starting point, and uniformly spacing linear array L/d position points along the direction vertical to the left view surface, wherein the array spacing is d, the L/d position points are positioned at the intersection point of the lower edge line of the right view surface and the lower edge line of the front view surface, and the position points are numbered in sequence from the left view surface, namely 1, 2, 3, 4, 5 and 6. The lower edge line is close to the first linear guide rail section 21;

s6): the invisible rectangular slices 27 are linearly arrayed to the right viewing surface 30 at equal intervals along the direction perpendicular to the left viewing surface 26 based on the left viewing surface 26, the array interval is d, and the invisible rectangular slices are numbered sequentially from the left viewing surface, namely 1, 2, 3, 4, 5 and 6. In this example, d=0.01 mm, then a total L/0.01 stealth slice rectangle is shared. The invisible slice rectangles are numbered 1, 2, 3, 4, 5, 6.

S7): simultaneously recording the coordinate position and the color information of each pixel point on the three-dimensional image contour, which is overlapped with each three-dimensional image in a crossing way, of each invisible rectangular slice in each 1/N second; the contour pixel point information numbers recorded by each invisible rectangular slice are the same as the corresponding invisible rectangular slice numbers and are arranged according to the sequence from 1 to L/d;

processing the intercepted N static three-dimensional images every second, wherein the recorded contour pixel point information is numbered according to time sequence

001-1、001-2、001-3......001- L/0.01，

002-1、002-2、002-3......001- L/0.01，

003-1、003-2、003-3......001- L/0.01，

......

N-1、N-2、N-3......N-- L/0.01；

When the display module moves to the junction of the first circular arc section 20 and the first linear guide rail section 21, the screen coincides with the left viewing surface 26, and the sensor on the sliding block 12 just passes through the left permanent magnet, and the sensor feeds back an electric signal to the display module, so that the display module displays recorded pixel point information on the slice rectangle with the number of 001-1.

Taking the position of the sensor passing through the left permanent magnet as a starting point, and displaying pixel point information on a slice rectangle with the number of 001-2 on a display module when the screen moves rightwards by 1 d length, wherein d=0.1 mm;

when the screen moves to the right by 2 d lengths, wherein d=0.01 mm, and pixel point information on a slice rectangle with the number of 001-3 is displayed on the display module; when the screen moves to the right by L/0.01 d length, wherein d=0.01 mm, pixel point information on a slice rectangle with the number of 001-L/0.01 is displayed on the display module.

And by analogy, the display module calculates the length d when the display screen moves rightwards by 1 d according to d=vt, wherein d=0.01 mm, v is the sliding speed of the display module, and t is the time, so that the pixel point information on the next numbered slice rectangle is displayed on the display module.

When the display module moves to the junction of the first linear guide rail section 21 and the second circular arc section 22, the display module coincides with the right viewing surface 30, and the sensor on the sliding block 12 just passes through the right permanent magnet. The sensor feeds back the electric signal to the display module, and the display module sends out an instruction to extinguish the display screen.

Under the drive of a motor, the display module is translated at a high speed in an imaging area, the outline image of each position of the three-dimensional image is continuously switched and displayed, and the outline images of each layer of the three-dimensional image are overlapped together to form a complete static naked eye three-dimensional image based on the visual persistence principle of people.

N closed-loop movements are completed in each second, and N is more than or equal to 24, so that N static naked eye three-dimensional images are displayed. Each static naked eye three-dimensional image is connected in series, and based on the human visual persistence principle, a viewer can observe a real dynamic naked eye three-dimensional animation.

The multiple screens are equally spaced on the housing in a circular path of movement and operate in the single screen mode of operation described above. Based on the principle of human visual persistence, the contour images of the three-dimensional images displayed on each screen are repeatedly overlapped, so that the brightness and the color vividness of the displayed three-dimensional images can be increased. And the linear speeds of the screens are consistent, so that the imaging is uniform and the imaging has no distortion.

The specific working process of the holographic display comprises the following steps:

the holographic display in this embodiment may be used in a dark or dark environment, preferably a dark or dark environment, and exhibits a better three-dimensional display effect in the dark or dark environment, and the side of the holographic display, i.e. the direction perpendicular to the movement direction of the display module, is the preferred observation angle, i.e. the preferred observation angle is the position C indicated by the arrow in fig. 9.

The three-dimensional image to be displayed is transmitted to a master controller, the master controller divides the three-dimensional image into continuous pixel information, the master controller calculates the position of the pixel information arranged in the imaging space 24 according to the size of the imaging space 24, the master controller controls a driving motor 8 to rotate at a certain rotating speed, the driving motor simultaneously drives two groups of conveying belts 4 arranged on a supporting seat 3 in parallel to move at the same speed, and the two rows of conveying belts 4 drive a display module to do circular closed-loop movement along the two rows of annular guide rails 5.

As shown in fig. 2, when the display module moves to the first linear guide rail section 21 of the annular guide rail 5, after the hall sensor on the display module senses the magnet on the support column 2 at the left end of the support seat 3, namely, the end a in fig. 2, an electric signal is sent to the corresponding display module, the display module lights the display screen, meanwhile, the master controller sends the pixel information at the position in the imaging space 24 to the display module for display, under the driving action of the conveyor belt 4, the display module moves from the left end to the right end of the first linear guide rail section 21 to the next position, and the master controller determines the position of the display module after moving again according to the rotation speed of the driving motor and sends the pixel information at the position to the display module for display.

The conveyor belt 4 continuously moves, the display module moves to the right end from the leftmost end of the first linear guide rail section 21 in sequence, different pixel information is displayed at different positions of the first linear guide rail section 21, after the display module detects the magnet on the support column 2 at the right end of the support seat 3, namely the end B in fig. 2, at the moment, the Hall sensor sends an electric signal to the display module again, and the display screen on the display module is extinguished and slides into the second linear guide rail section 23 through the second circular arc section 22 so as to be convenient for the next circulation display.

Each display module is translated at a high speed in an imaging area, two-dimensional images of each position are displayed, and based on the principle of human visual persistence, each layer of two-dimensional images displayed on each display screen of the imaging area are overlapped together, so that the display instrument can display a static naked eye three-dimensional image.

Under the drive of the motor, the display screen completes N closed-loop movements within each second, N is more than or equal to 24, and N static naked eye three-dimensional images are displayed. Each static naked eye three-dimensional graph is connected in series, and based on the human visual persistence principle, a viewer can observe a real dynamic naked eye three-dimensional animation.

The plurality of display screens are equally distributed on the base in a moving circular path and operate in the single display screen mode of operation described above. Based on the principle of human visual persistence, the two-dimensional images displayed on each display screen are repeatedly overlapped, so that the brightness and the color vividness of the displayed three-dimensional images can be increased. And the linear speeds of the display screens are consistent, and the imaging device has the beneficial effects of uniform imaging and no distortion of imaging.

The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. Holographic display, comprising a support (3), characterized in that: the automatic display device is characterized in that a circulating conveying mechanism, at least two groups of display modules, a sensing unit and a master controller (7) are arranged on the supporting seat (3), the sensing unit is fixed on the display modules, the at least two groups of display modules are uniformly distributed on the circulating conveying mechanism, each display module is in sliding connection with the circulating conveying mechanism, and the circulating conveying mechanism, the display modules and the sensing unit are electrically connected with the master controller (7).

2. The holographic display of claim 1, in which: the circulating conveying mechanism comprises a first circulating conveying unit and a second circulating conveying unit, the first circulating conveying unit and the second circulating conveying unit are fixed on the supporting seat (3) in parallel, and each display module is respectively connected with the first circulating conveying unit and the second circulating conveying unit in a sliding mode.

3. The holographic display of claim 2, in which: all include annular guide rail (5), action wheel (6), follow driving wheel (1) and conveyer (4) in first circulation conveying unit and the second circulation conveying unit, wherein, annular guide rail (5), action wheel (6) and follow driving wheel (1) all fix on supporting seat (3), just action wheel (6) and follow driving wheel (1) are located the both ends of annular guide rail (5) inner ring, circulation conveying mechanism still includes driving motor (8), driving motor (8) rotate with action wheel (6) and are connected, action wheel (6) through conveyer (4) with follow driving wheel (1) rotate and are connected, conveyer (4) with annular guide rail (5) are parallel.

4. The holographic display of claim 3, in which: the height of the annular guide rail (5) in the first circulating conveying unit on the supporting seat (3) is larger than or smaller than the height of the annular guide rail (5) in the second circulating conveying unit on the supporting seat (3), the annular guide rail (5) comprises a first circular arc section (20), a second circular arc section (22), a first linear guide rail section (21) and a second linear guide rail section (23), two ends of the first linear guide rail section (21) are respectively tangent with the highest point on the first circular arc section (20) and the highest point on the second circular arc section (22), two ends of the second linear guide rail section (23) are respectively tangent with the lowest point on the first circular arc section (20) and the lowest point on the second circular arc section (22), the first circular arc section (20), the second circular arc section (22), the first linear guide rail section (21) and the second linear guide rail section (23) comprise a track substrate (25), a first track surface (18) and a second track surface (19), and two ends of the second linear guide rail section (23) are respectively tangent with the lowest point on the first circular arc section (20) and the second circular arc section (22), and the first track surface (19) are opposite to the first track surface (19).

5. The holographic display of claim 4, in which: the novel display device is characterized in that a connecting piece (14) is fixedly arranged on the conveying belt (4), a pin hole (15) is formed in the connecting piece (14), a sliding block (12) is arranged on the display module, a pin shaft is arranged on the sliding block (12), and the sliding block (12) is detachably connected with the connecting piece (14) through the pin shaft and the pin hole (15).

6. The holographic display of claim 5, in which: the connecting piece (14) is any one of an L-shaped connecting piece, a T-shaped connecting piece or an I-shaped connecting piece, at least two rollers (16) are arranged on the sliding block (12), and the at least two rollers (16) are respectively contacted with the first rail surface (18) and the second rail surface (19).

7. The holographic display of claim 6, in which: each display module comprises a display (13), a display bearing block (10), a first supporting shaft (9) and a second supporting shaft (11), wherein the display (13) is fixed on the display bearing block (10), two ends of the display bearing block (10) are fixedly connected with one end of the first supporting shaft (9) and one end of the second supporting shaft (11) respectively, the other end of the first supporting shaft (9) and the other end of the second supporting shaft (11) are hinged with sliding blocks (12), the first supporting shaft (9) and the second supporting shaft (11) are not coaxial, the first supporting shaft (9) is in sliding connection with an annular guide rail (5) in a first circulating conveying unit through the sliding blocks (12), and the second supporting shaft (11) is in sliding connection with the annular guide rail (5) in the second circulating conveying unit through the sliding blocks (12).

8. The holographic display of claim 7, in which: the intelligent control device is characterized in that support columns (2) are respectively arranged on the support base (3) and located at two ends of the annular guide rail (5), the annular guide rail (5) is fixed on the support base (3) through the support columns (2), the driving wheel (6) and the driven wheel (1) are hinged to the support columns (2), the sensing unit comprises a magnet and a Hall sensor (17), the magnet is fixed on the support columns (2) and aligned with the highest rail surface of the annular guide rail (5), the Hall sensor (17) is fixed on the sliding block (12), the display (13) is a display (13) of wireless energy supply and wireless signal transmission, and the total controller (7) is an industrial personal computer or a PC.

9. A display method of a holographic display as claimed in claims 1 to 8, wherein: the method comprises the following steps:

s1): the method comprises the steps that a slice area is built according to an imaging area of a holographic display, the slice area and the imaging area are cuboid with the same volume, the length L of the imaging area is the length of a first linear guide rail section 21, the width W of the imaging area is the length of a display, the height H of the imaging area is the width of the display, the imaging area comprises a left view surface and a right view surface, an upper view surface, a front view surface and a rear view surface, a left view surface which is close to the first circular arc section 20 and is the imaging area, a right view surface which is close to the second circular arc section 22 and is the imaging area, a plane which is located at the top end of the display is the upper view surface of the imaging area, and a plane which comprises the first linear guide rail section 21 and is perpendicular to the display is the front view surface or the rear view surface, wherein the front view surface or the rear view surface is oppositely arranged; the orientation of the five viewing surfaces of the five viewing surface area imaging areas of the slice area is the same;