WO2020237925A1 - 一种环形透明屏及环形显示系统 - Google Patents

一种环形透明屏及环形显示系统 Download PDF

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Publication number
WO2020237925A1
WO2020237925A1 PCT/CN2019/106705 CN2019106705W WO2020237925A1 WO 2020237925 A1 WO2020237925 A1 WO 2020237925A1 CN 2019106705 W CN2019106705 W CN 2019106705W WO 2020237925 A1 WO2020237925 A1 WO 2020237925A1
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WIPO (PCT)
Prior art keywords
screen
annular
ring
light
transparent screen
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PCT/CN2019/106705
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English (en)
French (fr)
Inventor
卢增祥
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亿信科技发展有限公司
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Application filed by 亿信科技发展有限公司 filed Critical 亿信科技发展有限公司
Publication of WO2020237925A1 publication Critical patent/WO2020237925A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/005—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules

Definitions

  • This article relates to the field of display technology, such as a ring-shaped transparent screen and a ring-shaped display system.
  • the ring screen display mainly including multi-screen splicing, ring screen projection and static LED screen.
  • multi-screen splicing mainly including multi-screen splicing, ring screen projection and static LED screen.
  • the overall picture display effect is poor
  • the contrast of the ring screen projection is poor, and there are problems such as defocus and low brightness
  • the static LED screen has poor resolution and High cost, not suitable for close viewing.
  • the above-mentioned ring screens are all opaque, and the transparent display screens mainly include a transparent liquid crystal display screen, a transparent holographic projection, a transparent OLED display screen, a transparent LED display screen and an air display screen.
  • the transparent liquid crystal display has a large display area, but the transparency is poor, and the overall shock resistance is not high, and it is easy to break; the transparency of the transparent holographic projection is high, but the brightness is not high; the transparent OLED display requires multiple small screens By splicing, the transparent LED display needs to make a choice between transparency and resolution; the air display has low resolution, poor brightness, and limited display area.
  • This paper proposes a circular transparent screen, which can obtain a larger display area, good transparency and no splicing gaps.
  • An annular transparent screen comprising an annular screen and a driving mechanism, the driving mechanism being configured to drive the annular screen to rotate around the axis of the annular screen;
  • the ring screen includes:
  • a plurality of lamp poles, the plurality of lamp poles are arranged at intervals along the circumferential direction of the ring screen;
  • each of the diagonal stays includes two cross-connected connecting rods, and any two adjacent light poles are connected by a plurality of the diagonal stays.
  • This paper also proposes a ring-shaped display system, the inner ring-shaped transparent screen has good transparency, which is beneficial to improve the multi-screen display effect.
  • a ring-shaped display system includes an outer ring display screen and at least one of the above-mentioned ring-shaped transparent screens.
  • the ring-shaped transparent screen is located inside the outer ring display screen and coaxially arranged with the outer ring display screen.
  • Figure 1 is a schematic diagram of the structure of the annular transparent screen provided in this article
  • Figure 2 is a front view of the circular transparent screen provided in this article
  • Figure 3 is a schematic diagram of the structure of the diagonal brace provided in this article.
  • Figure 4 is a schematic diagram of the structure of the lamp pole and the diagonal brace provided in this article after assembly;
  • Figure 5 is a schematic diagram of the structure of the vector light-emitting unit provided in this article.
  • Figure 6 is a front view of the first connector provided herein;
  • Figure 7 is a top view of the first connector provided herein;
  • FIG. 8 is a schematic diagram of the structure of the second connector provided herein;
  • Figure 9 is a schematic diagram of the structure of the third connector provided herein;
  • Figure 10 is a schematic diagram of the arrangement of cables in the annular transparent screen provided herein;
  • Figure 11 is a schematic diagram of the structure of the light board provided in this article.
  • Figure 12 is a cross-sectional view of the noise reduction sleeve provided herein;
  • FIG. 13 is a schematic diagram of the structure of the ring display system provided herein.
  • Annular screen 11. Light pole; 111, light board; 1111, light-emitting unit; 112, control board; 12, diagonal brace; 121, connecting rod; 122, shielding part; 123, lug; 13, upper hoop Ring; 14. Lower hoop ring;
  • this embodiment provides a ring-shaped transparent screen, which includes a ring-shaped screen 1 and a driving mechanism 2.
  • the driving mechanism 2 is connected to the ring-shaped screen 1 and is used to drive the ring-shaped screen 1 to rotate around its own axis.
  • the driving structure includes a power source and a central shaft 21.
  • the central shaft 21 is arranged inside the annular screen 1 and coincides with the axis of the annular screen 1.
  • the power source is in transmission connection with the central shaft 21, and the central shaft 21 is connected with the annular screen 1, so that the rotation of the central shaft 21 drives the annular screen 1 to rotate.
  • the ring screen 1 itself has a relatively large hollow area under static conditions, so that the ring screen 1 has higher transparency, and the viewer can see through the hollow area on the ring screen 1. landscape.
  • the ring screen 1 will be driven by the driving mechanism 2 to rotate around its own axis, the line image displayed by the ring screen 1 is switched to form a scanning surface, and the persistence of human vision is used to achieve continuous and clear image display.
  • the ring screen 1 includes a plurality of light poles 11 and diagonal stays 12.
  • the light pole 11 is a long plate-shaped structure, the light pole 11 is vertically arranged, and a plurality of light poles 11 are arranged at intervals around the circumference of the central axis 21 to form an annular display area.
  • the plurality of light poles 11 divide the ring screen 1 into a plurality of vertical areas, and each vertical area adjusts the display content according to its own position to form a complete image of the ring.
  • Adjacent light poles 11 can be connected by diagonal stays 12.
  • the diagonal stay 12 includes two connecting rods 121 that are cross-connected.
  • the two connecting rods 121 form an X shape, and the two ends of each connecting rod 121 are respectively connected to the adjacent light poles 11.
  • the two adjacent light poles 11 can be connected by a plurality of diagonal stays 12, which is beneficial to improve the Position accuracy between lamp poles 11.
  • a plurality of lamp poles 11 are connected by an X-shaped diagonal brace 12 to form an annular screen 1.
  • the structure of the diagonal brace 12 is stable, which is beneficial to improve the mechanical uniformity of the annular screen 1, and is easy to install and manufacture. 1.
  • the overall anti-deformation ability and stability are good.
  • the ring screen 1 has a large hollow area between the two adjacent lamp poles 11 in the static state, so that the ring screen 1 has higher transparency in the static state. When the ring screen 1 rotates to display the picture, the viewer can See the scenery behind the screen through the hollow area on the ring screen 1 to achieve a transparent display effect.
  • the size of the display area of the annular transparent screen is determined by the length of the light pole 11 and the diameter of the annular screen 1.
  • each light pole 11 may include a plurality of light boards 111, and the multiple light boards 111 are spliced in a vertical direction to form the light pole 11.
  • Each light pole 11 can be provided with multiple controllers 112, the controller 112 can be provided with a data processing unit and a laser detector, and each controller 112 can control multiple light panels 111.
  • the light board 111 includes a substrate, a light-emitting unit 1111 provided on the substrate, and a printed circuit board (PCB) of an optical component and a driving IC.
  • the printed circuit board is provided with data input and output ports and a power supply module.
  • Two adjacent light poles 11 are connected by a plurality of diagonal stays 12 to form a ring screen 1.
  • the light emitting unit 1111 may be inside the light pole 11 or outside of the light pole 11.
  • the light-emitting unit 1111 may be an LED lamp or a vector light-emitting unit.
  • vector pixels can be approximately regarded as a point-emitting light source, which emits into space.
  • Most of the light beams are narrow beams, that is, the light intensity is reduced to 50% of the maximum light intensity of the beam as the beam boundary, and the light source is circular, and the smallest spatial spherical angle that can include all boundaries is less than 10 degrees.
  • Vector pixels can support the projection of the above narrow beams in no less than 100 directions that can be distinguished, and can simultaneously emit beams in two or more directions, and the brightness of the emitted beams can be adjusted at least 16 levels.
  • the vector light emitting unit in this embodiment may be an optical device meeting the above conditions.
  • the light-emitting unit 1111 can be a vector light-emitting unit. According to the characteristics of the light beam emitted by the vector light-emitting unit, the light-emitting angle of each light-emitting unit 1111 can be adjusted when the radial position of the light pole 11 is deviated, so as to obtain better results. The display effect.
  • the light-emitting unit 1111 when the light pole 11 is located at a standard radial position, the light-emitting unit 1111 will emit at a standard angle to obtain a standard light beam; when the radial position of the light pole 11 is incorrect At this time, since the light pole 11 will deviate to the inside or outside of the ring screen 1, if the light beam emitted by the light-emitting unit 1111 at a standard angle does not coincide with the standard light beam, the display effect will be affected.
  • the intersection of the standard beam emitted by the light-emitting unit 1111 at the standard radial position and the cylindrical surface where the light-emitting unit 1111 is actually located, and the emission direction of the standard light beam at the intersection position can be calculated, so as to control the light-emitting unit 1111 to pass through the intersection position.
  • the light beam is emitted with the calculated emission direction of the standard light beam to compensate for the influence of the radial position error of the light pole 11 on the display effect.
  • the multiple light boards 111 in each light pole 11 are located on the same plane, and the end surfaces of adjacent light boards 111 are aligned and abutted.
  • the number of diagonal stays 12 between two adjacent light poles 11 may be the same as the number of light panels 111 in each light pole 11.
  • the four top corner positions of each light board 111 are respectively provided with first threaded holes. Both ends of each connecting rod 121 in the diagonal stay 12 are provided with lugs 123, and the lugs 123 are vertically provided with two second threaded holes.
  • each lug 123 is aligned with the first threaded holes on the two adjacent light boards 111, so that each lug 123 can connect two light boards spliced in the vertical direction 111.
  • the diagonal stay 12 may be a thin plate structure made of aluminum or steel, so that the diagonal stay 12 itself has a certain degree of flexibility, so that the annular screen 1 has a certain degree of flexibility, which is beneficial to improve the resistance of the annular screen 1. Deformability, and when the ring screen 1 is rotating, the flexible ring screen 1 can automatically adjust the cylindricity of the ring screen 1 according to the centrifugal force, so that the ring screen 1 is sufficiently round and stable enough.
  • the area of the lamp post 11 used for display in the ring screen 1 is small, so that the optical transparency of the ring screen 1 is high.
  • the display area of the lamp post 11 is small, the corresponding reflective area is also small.
  • the surface of the upper lamp post 11 can be painted black, so that the lamp post 11 reflects light and can reduce the loss of brightness, so that the ring screen 1 has a higher contrast, and the displayed image and color are clearer.
  • the connecting rod 121 can be provided with a shielding portion 122, which can make the area of the diagonal stays 12 in the unit height area equal, so that the ring screen is 1 unit height
  • the brightness and the hollow area in the area are equal, so that the brightness and transparency of the ring screen 1 are more uniform.
  • the connecting rod 121 is a parallelogram plate with uniform width.
  • the two connecting rods 121 are arranged crosswise to form an X-shape, the upper and lower ends of the diagonal stay 12 and the middle rotation connection position area is small.
  • the lower end and the middle position of the connecting rod 121 can be provided with a shielding portion 122, the shielding portion 122 extends to the left and right sides of the connecting rod 121 (ie, the left and right direction in FIG. 3).
  • the two shielding portions 122 on the same connecting rod 121 are respectively located on both sides of the connecting rod 121.
  • the diagonal stay 12 may have a symmetrical structure.
  • the two connecting rods 121 constituting the diagonal stay 12 have the same structure, and only the same part needs to be processed during production.
  • the lugs 123 at the lower end of the upper diagonal stay 12 overlap with the lugs 123 at the upper end of the lower diagonal stay 12, so that each diagonal
  • the upper and lower ends of the support 12 are provided with shielding portions 122 to compensate for the shielding area, so that the brightness and the hollow area in the area of 1 unit height of the ring screen are equal, that is, the diagonal stays 12 in the two areas of height H in FIG. 4
  • the area is equal, so that the brightness and transparency of the ring screen 1 are more uniform.
  • the shielding portion 122 may be a sheet structure integrally formed with the connecting rod 121.
  • the shape of the shielding portion 122 may be a triangle or other shapes, as long as the area of the diagonal stays 12 in the unit height area is equal.
  • a positioning template can be used.
  • the positioning template is provided with multiple rows of positioning holes, and one row of the lamp poles 11 is correspondingly adjacent The two rows of positioning holes are arranged so that the first threaded holes on each light board 111 are aligned with the corresponding positioning holes.
  • the two adjacent rows of light poles 11 are respectively connected to the diagonal stays 12 by screws, so as to achieve high-precision alignment between the light panels 111.
  • the diagonal stays 12 themselves have a certain degree of flexibility, making the ring screen 1 also have flexible characteristics , High mechanical uniformity.
  • the annular screen 1 also includes an upper hoop 13 and a lower hoop 14, and the shape of the upper hoop 13 and the lower hoop 14
  • the two ends of the light pole 11 are connected with the upper hoop ring 13 and the lower hoop ring 14 respectively, so as to ensure that each light pole 11 is arranged in a vertical direction and avoid shaking of the light pole 11.
  • both the upper hoop 13 and the lower hoop 14 may include multiple arc-shaped pieces connected end to end, and the multiple arc-shaped pieces are spliced to form a complete circular ring.
  • the first end of each arc-shaped piece is provided with an insertion groove
  • the second end is provided with an insertion block matching the insertion groove.
  • the insertion depth of the inserting block into the inserting groove is adjustable.
  • the position of the plug-in block can be locked by a fastener after adjusting the insertion depth of the plug-in block.
  • the fastener may be a bolt. The bolt is threadedly connected with the arc-shaped section, and the end can extend into the insertion groove and abut against the insertion block, and the position of the insertion block is locked by pressing against the insertion block.
  • the viewer can be located inside the ring screen 1.
  • the upper end of the central shaft 21 is evenly provided with a plurality of cantilevers 22 along the circumferential direction.
  • the ends of the cantilevers 22 are connected with the upper hoop 13 to prevent the drive mechanism 2 from blocking the ring screen. 1.
  • the upper hoop 13 is connected by the cantilever 22, which can reduce the use of materials, the installation is simpler, the driving mechanism 2 is lighter, and the force of the upper hoop 13 is more uniform.
  • the upper hoop ring 13 is connected to the upper end of the light pole 11 to limit the radial position of the light pole 11.
  • the lower end of the light pole 11 can be restricted by the lower hoop ring 14 to ensure that the light poles 11 are all on the same cylindrical surface.
  • the driving mechanism 2 is only connected with the upper hoop ring 13, so that the ring screen 1 can ensure that each light pole 11 sags freely under the action of its own gravity, which is beneficial to align the upper hoop ring 13 and the lower hoop ring 14 in position.
  • the height of the end of each cantilever 22 can be adjusted, and the roundness of the circle formed by the ends of the multiple cantilevers 22 can be adjusted to ensure that the upper hoop connected to the end of the cantilever 22 The roundness of 13 is better.
  • the cantilever 22 is a rod with a certain degree of elasticity.
  • the end of the cantilever 22 can be connected to the upper end of the central shaft 21 through a rope 23. By adjusting the length of the rope 23, the height of the end of the cantilever 22 can be adjusted to ensure more The ends of each cantilever 22 are located on the same horizontal plane.
  • the upper hoop 13 and the cantilever 22 can be detachably connected through the first connecting member 3, and the diameter of the upper hoop 13 and the cantilever 22 along the annular screen 1 can also be adjusted. To the distance.
  • the first connecting member 3 may be L-shaped as a whole, including a first plate 31 arranged vertically and a second plate 32 arranged horizontally.
  • the first plate 31 Connected to the second plate 32, the first plate 31 can be connected to the cantilever 22 by a first bolt, and the second plate 32 can be connected to the upper hoop 13 by a second bolt.
  • the second plate 32 may be provided with a first elongated hole 321 extending in the radial direction of the annular screen 1, and the second bolt passes through the A long hole 321 is connected to the upper hoop 13.
  • the distance between the cantilever 22 and the upper hoop 13 along the radial direction of the annular screen 1 can be adjusted, thereby further ensuring that the upper hoop 13 is located in the horizontal plane and the upper hoop 13 degrees of circumference.
  • a plurality of first strip holes 311 may be provided on the first plate 31, and the first strip holes 311 near the end may extend A notch 312 is formed to the end of the first plate 31, which is convenient for assembly.
  • the first elongated hole 321 may extend to the first plate 31, so that there is a gap between the first plate 31 and the second plate 32. Forming a stress relief port is beneficial to improve the service life of the first connecting member 3.
  • the upper hoop ring 13 can be connected to the upper end of the lamp pole 11 through the second connecting member 4, and the radial distance between the lamp pole 11 and the upper hoop ring 13 is adjustable, so that the The two light poles 11 are located on the same cylindrical surface.
  • the second connecting member 4 may be L-shaped as a whole, including a fourth plate 42 arranged horizontally and a third plate 41 arranged vertically.
  • the fourth plate 42 is connected.
  • the fourth plate 42 can be connected to the bottom surface of the upper hoop ring 13, and the third plate 41 can be connected to the outer side surface of the upper end of the light pole 11, so as to guide the light pole 11 and benefit the light pole 11. Extend straight down.
  • the fourth plate 42 may be provided with a second elongated hole 421 extending in the radial direction of the annular screen 1, and the third bolt passes through the second elongated hole 421 is also connected to the upper hoop ring 13.
  • the radial distance between the light pole 11 and the upper hoop ring 13 can be adjusted, which can compensate for the circumferential error of the upper hoop ring 13 , Making the curved surface formed by the multiple light poles 11 more round.
  • the lower hoop ring 14 can be connected to the lower end of the light pole 11 through the third connecting member 5, and the radial distance between the light pole 11 and the lower hoop ring 14 is adjustable.
  • the structure of the third connecting member 5 may be the same as the structure of the second connecting member 4, so as to compensate for the circumferential error of the lower hoop ring 14 and make the curved surface formed by the plurality of light poles 11 more round.
  • the third connecting member 5 may also have other structures.
  • the third connecting member 5 may include a fifth plate 51 vertically arranged and a U-shaped member 52 connected to the bottom of the fifth plate 51, the opening of the U-shaped member 52 is downward.
  • the fifth plate 51 is connected to the outer side of the lower end of the light pole 11, the U-shaped piece 52 is buckled on the lower hoop ring 14, the fourth bolt is threadedly connected to one side wall of the U-shaped piece 52, and the end of the fourth bolt
  • the lower hoop ring 14 is threadedly connected to the lower hoop ring 14.
  • the position of the lower hoop ring 14 in the U-shaped member 52 is adjusted by adjusting the depth of the fourth bolt extending into the U-shaped member 52, thereby adjusting the fifth plate 51 and the lower hoop ring 14
  • the radial distance is used to adjust the radial distance between the light pole 11 and the lower hoop ring 14.
  • the distance between the two side walls in the U-shaped piece 52 is greater than the radial width of the lower hoop ring 14, and each The distance between one side wall and the circumferential surface of the lower hoop ring 14 is 1.5-2 cm.
  • the annular transparent screen in this embodiment may adopt a hidden wiring method.
  • the power distribution box can be arranged at the bottom of the driving mechanism 2. After the power box passes through the slip ring, the UPS power supply is used to output a stable voltage, and the cable extends upward from the central shaft 21 to the central shaft 21. top. A power terminal box is arranged on the top of the central shaft 21, and the power terminal box converts 380V power into 220V output.
  • the top of the circular transparent screen is also provided with a switching power supply 61 and a junction box 62 to disperse the power supply into 24V power output.
  • the dispersed 24V power supply is electrically connected to the printed circuit board on each light pole 11 through the cables in the cantilever 22 to supply power to each light pole 11.
  • the cable between the switching power supply 61 and the junction box 62 can be a flexible cord with a diameter of 16 mm
  • the cable between the junction box 62 and the light pole 11 can be a flexible cord with a diameter of 6 mm.
  • Each switching power supply 61 can carry 6 columns of light poles 11.
  • the cables between the light boards 111 in the light pole 11 are all arranged along the back of the light pole 11 to avoid affecting the display of the light pole 11.
  • the central shaft 21 and the cantilever 22 are hollow structures, and cables other than between the light panels 111 can be arranged along the central shaft 21 and the cantilever 22 to prevent the cables from affecting the display of the ring screen 1.
  • the bottom of the ring-shaped transparent screen can be equipped with a server side, and the top of the ring-shaped transparent screen can be equipped with a switch.
  • the network cable connected by the server-side switch can reach the center platform on the top of the ring-shaped transparent screen through the central axis 21, and connect to the top
  • Each switch is led out from each switch and distributed along the cantilever 22 to the controller 112 on the back of each light pole 11 to realize real-time network information transmission.
  • This decentralized switch-out method can reduce the complexity and redundancy of the switchboard wiring on the one hand, and on the other hand can solve the bandwidth and stability problems when transmitting video information.
  • each light pole 11 is provided with multiple rows of light emitting units 1111, and multiple rows of light emitting units 1111 on the same light pole 11 can be arranged in a staggered manner.
  • each light-emitting unit 1111 can be used as a pixel, and the distance between two adjacent pixels in the same column of light-emitting units 1111 is L. After multiple columns of light-emitting units 1111 are arranged in a staggered manner, the entire light panel can be greatly reduced. 111 on the pixel pitch P, thereby improving the vertical resolution.
  • the horizontal resolution can be achieved by increasing the display frequency of the light pole 11, where the display frequency refers to the update rate of each light-emitting unit 1111.
  • the actual rotation speed of the ring screen 1 is not less than 1Hz, and the display refresh frequency is not less than 80 frames per second.
  • the display refresh frequency represents the number of pictures per unit time, that is, the number of light poles 11 brushed in a unit time .
  • the ring screen 1 in this embodiment can increase the brightness of the ring screen 1 by increasing the number of light poles 11, and achieve higher resolution by arranging multiple rows of misplaced light emitting units 1111 and increasing the refresh frequency of the light poles 11, and
  • the size of the ring screen 1 can be adjusted flexibly and is not limited by the display principle; the ring screen 1 composed of multiple light poles 11 and multiple diagonal stays 12 has high transparency and flexibility, strong resistance to deformation, and can be used for the ring screen 1 To adjust the circumference.
  • the contrast of the annular transparent screen in this embodiment can be greater than 1000:1
  • the refresh rate can be 80Hz
  • the horizontal resolution is 30K
  • the vertical resolution is 2.7k
  • the color depth can be 10 bits.
  • the structure such as the cantilever 22 and the ring screen 1 move relative to the air flow during the rotation, which will generate wind noise and affect the viewing effect. For this reason, a noise reduction solution is also provided in this embodiment.
  • a noise reduction sleeve 221 may be sleeved outside the cantilever 22, and the cross section of the noise reduction sleeve 221 may be a drop shape, and the noise reduction sleeve The tip of 221 faces away from the rotation direction of the ring screen 1.
  • the drop-shaped curved surface is smooth, which can reduce wind resistance, thereby achieving the purpose of reducing wind noise and resistance.
  • the wind resistance is smaller.
  • the noise reduction sleeve 221 can only be sleeved on the end of the cantilever 22, and the length of the noise reduction sleeve 221 can be no less than the cantilever 22 Half the length.
  • a ring-shaped transparent noise reduction screen can be arranged on the inner side of the ring screen 1, and the distance between the noise reduction screen and the ring screen 1 can be 8-12cm .
  • the noise reduction screen By setting the noise reduction screen, the wind resistance in only one direction can be generated during the rotation of the ring screen 1 and the flow of wind in all directions can be reduced, thereby achieving the purpose of reducing wind noise.
  • the noise reduction screen can be made of transparent materials, such as transparent glass.
  • the ring screen 1 in order to reduce wind noise, can be covered with a noise reduction cover, and the inside of the noise reduction cover can be in a vacuum environment, so that the ring screen 1 can rotate in a vacuum, which can not only reduce wind noise. Purpose, can also make the rotating ring screen 1 have higher security and better user experience.
  • the driving mechanism 2 of the ring-shaped transparent screen may also generate certain noises, such as power sources, when working.
  • the power source may include a motor, and the motor drives the central shaft 21 to rotate.
  • the power source may further include a slave transmission assembly to adjust the rotation speed of the central shaft 21.
  • the power source can be arranged in the soundproof cover, and sound-absorbing foam, soundproof cotton, etc. can be placed in the soundproof cover to prevent the noise generated by the power source from being transmitted outside the soundproof cover.
  • the soundproof cover can be provided with an inspection door, and the inspection door and the soundproof cover can be sealed by a sealing strip to achieve the purpose of noise reduction.
  • this embodiment also provides a ring display system, including an outer ring display screen 200 and at least one ring transparent screen 100 as described above.
  • the ring transparent screen 100 is located inside the outer ring display screen 200 and is connected to the outer ring display screen 200.
  • the ring display 200 is set coaxially.
  • the outer ring display screen 200 may be a common non-transparent display screen, which cooperates with the ring transparent screen 100 to realize multi-layer stereo display.
  • the outer ring display screen 200 is a closed cylindrical structure.
  • the center angle of the outer ring display screen 200 may also be less than 360 degrees, or the cross section may be an ellipse, partial ellipse, or other curved structure. .
  • This article provides a circular transparent screen and circular display system.
  • the ring-shaped transparent screen there is a hollow area between adjacent light poles, which makes the ring-shaped screen high in transparency; the size of the ring-shaped screen is not limited by the structure, and the size of the ring-shaped screen can be changed as needed to obtain a larger display area;
  • the screen uses the persistence effect of human vision to achieve continuous and clear image display, and the display screen has no splicing gaps; the structure of the diagonal bracing between adjacent light poles is stable, and the deformation resistance is good, which is beneficial to improve the overall ring screen Strength and seismic performance.

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Abstract

一种环形透明屏及环形显示系统，涉及显示技术领域。该环形透明屏包括环形屏(1)和驱动机构(2)，驱动机构(2)被配置为驱动环形屏(1)绕环形屏(1)的轴线转动；环形屏(1)包括多个灯杆(11)及斜拉撑(12)，多个灯杆(11)沿环形屏(1)的周向间隔设置；每个斜拉撑(12)包括交叉连接的两个连杆(121)，任两个相邻的灯杆(11)通过斜拉撑(12)连接。

Description

一种环形透明屏及环形显示系统
本公开要求在2019年05月24日提交中国专利局、申请号为201910439908.5的中国专利申请的优先权，以上申请的全部内容通过引用结合在本公开中。
技术领域
本文涉及显示技术领域，例如涉及一种环形透明屏及环形显示系统。
背景技术
环幕显示的实现有多种方法，主要包括多屏拼接、环幕投影和静态LED屏等。其中，多屏拼接结构中屏幕与屏幕之间至少存在1mm的缝隙，整体画面显示效果差；环幕投影的对比度较差，且存在散焦、亮度低等问题；静态LED屏分辨率较差且造价高，不适合近距离观看。
上述的环幕屏均不透明，透明显示屏主要包括透明液晶显示屏、透明全息投影、透明OLED显示屏、透明LED显示屏及空气显示屏。其中，透明液晶显示屏的显示面积较大，但透明度差，且整体抗震性不高，容易碎裂；透明全息投影的透明度较高，但亮度不高；透明OLED显示屏需要多个小尺寸屏拼接而成，透明LED显示屏需要在透明度和分辨率中做取舍；空气显示屏分辨率低、亮度较差，且显示面积受限。
因此，亟需一种透明性好、显示面积不受限的环形透明屏，从而实现多层显示，提高用户体验效果。
发明内容
本文提出了一种环形透明屏，可以获得较大的显示面积，透明度好且无拼接缝隙。
本文采用以下技术方案：
一种环形透明屏，包括环形屏和驱动机构，所述驱动机构被配置为驱动所述环形屏绕所述环形屏的轴线转动；
所述环形屏包括：
多个灯杆，所述多个灯杆沿所述环形屏的周向间隔设置；及
斜拉撑，每个所述斜拉撑包括交叉连接的两个连杆，任两个相邻的所述灯杆通过多个所述斜拉撑连接。
本文还提出了一种环形显示系统，其内环形透明屏的透明度好，有利于提高多屏显示效果。
本文采用以下技术方案：
一种环形显示系统，包括外环显示屏以及至少一个上述的环形透明屏，所述环形透明屏位于所述外环显示屏内侧且与所述外环显示屏同轴设置。
附图说明
图1是本文提供的环形透明屏的结构示意图；
图2是本文提供的环形透明屏的主视图；
图3是本文提供的斜拉撑的结构示意图；
图4是本文提供的灯杆与斜拉撑装配后的结构示意图；
图5是本文提供的矢量发光单元的结构示意图；
图6是本文提供的第一连接件的主视图；
图7是本文提供的第一连接件的俯视图；
图8是本文提供的第二连接件的结构示意图；
图9是本文提供的第三连接件的结构示意图；
图10是本文提供的环形透明屏中线缆的排布示意图；
图11是本文提供的灯板的结构示意图；
图12是本文提供的降噪套的剖视图；
图13是本文提供的环形显示系统的结构示意图。
其中：
100、环形透明屏；200、外环显示屏；
1、环形屏；11、灯杆；111、灯板；1111、发光单元；112、控制板；12、斜拉撑；121、连杆；122、遮挡部；123、凸耳；13、上箍环；14、下箍环；
2、驱动机构；21、中心轴；22、悬臂；221、降噪套；23、绳索；
3、第一连接件；31、第一板；32、第二板；321、第一长条孔；4、第二连接件；41、第三板；42、第四板；421、第二长条孔；5、第三连接件；51、第五板；52、U型件；
61、开关电源；62、分线盒。
具体实施方式
为使本文解决的技术问题、采用的技术方案和达到的技术效果更加清楚，下面结合附图并通过具体实施方式来进一步说明本文的技术方案。
如图1所示，本实施例提供了一种环形透明屏，包括环形屏1和驱动机构2，驱动机构2与环形屏1连接，用于驱动环形屏1绕自身轴线转动。驱动结构包括动力源和中心轴21，中心轴21设置于环形屏1的内部，且与环形屏1的轴线重合。动力源与中心轴21传动连接，中心轴21与环形屏1连接，从而通过驱动中心轴21转动带动环形屏1转动。
本实施例中，环形屏1在静态下本身具有较大面积的镂空区域，从而使环形屏1具有较高的透明性，观影者可以透过环形屏1上的镂空区看到屏后的风景。实际观看时，环形屏1将在驱动机构2的驱动下绕自身轴线转动，通过切换环形屏1显示的线图像形成扫描面，并利用人类视觉暂留效应实现连续且清晰的图像显示。
在一些实施例中，如图2所示，环形屏1包括多个灯杆11以及斜拉撑12。灯杆11为长条板状结构，灯杆11竖直设置，多个灯杆11绕中心轴21的周向间隔排列，组成环形的显示区。多个灯杆11将环形屏1分割为多个竖向区域，每个竖向区域根据自身所在位置调整显示内容，以组成环形的完整图像。
相邻的灯杆11可以通过斜拉撑12连接。如图2和图3所示，斜拉撑12包括交叉连接的两个连杆121，两个连杆121组成X型，每个连杆121的两端分别与相邻的灯杆11连接。为提高相邻的灯杆11之间的连接效果，从而保证环形屏1结构的稳定，相邻的两个灯杆11之间可以通过多个斜拉撑12连接，有利于提高相邻两个灯杆11之间的位置精度。
本实施例中，通过X型的斜拉撑12连接多个灯杆11形成环形屏1，斜拉撑12的结构稳定，有利于提高环形屏1的力学均匀度，安装、制作容易，环形屏1的整体抗变形能力强和稳定性好。该环形屏1在静态时相邻的两个灯杆11间具有较大的镂空区域，使得环形屏1在静态状态就具有较高的透明度，当环形屏1转动显示画面时，观影者可以透过环形屏1上的镂空区看到屏后的风景，实现透明显示效果。
此外，环形透明屏的显示面积的大小由灯杆11的长度以及环形屏1的直径决定。通过调整灯杆11的长度或环形屏1的直径，可以灵活调整显示面积的大小，使得显示面积可以根据实际需要调整，解决现有技术中显示面积受限的问 题。
为使灯杆11的长度调整更加灵活，如图4所示，每个灯杆11可以包括多个灯板111，多个灯板111沿竖直方向拼接形成灯杆11。每个灯杆11上可以设置有多个控制器112，控制器112上设置有数据处理单元和激光检测器，每个控制器112可以控制多个灯板111。灯板111包括基板以及设置在基板上的发光单元1111、光学组件以及驱动IC的印刷电路板(Printed circuit board，PCB)，其中，印刷电路板上设置有数据的输入输出口和供电模块。相邻的两个灯杆11之间通过多个斜拉撑12连接，从而形成环形屏1。可选地，发光单元1111可以在灯杆11的内侧，也可以在灯杆11的外侧。
可选地，发光单元1111可以为LED灯，也可以为矢量发光单元。相对于较大的显示尺度，例如当光源只占显示器面积的万分之一以下时，如图5所示，矢量像素(Anisotropic Pixels)可以近似看成是一点发光的光源，其向空间发射的多数光束为窄光束，即以光强下降到此光束最大光强的50％为该光束边界，以光源为圆形，能够包括所有边界的最小空间球面角小于10度。矢量像素可以支持在不少于可被区分的100个方向上投射上述窄光束，且可同时向两个或两个以上的方向发射光束，发射的光束的亮度支持至少16档可调。本实施例中的矢量发光单元可以为满足上述条件的光学器件。
本实施例中，发光单元1111可以为矢量发光单元，根据矢量发光单元发射的光束的特点，可以在灯杆11的径向位置出现偏差时调整每个发光单元1111的出光角度，从而获得更好的显示效果。例如以发光单元1111发出的某一束光束为例，当灯杆11位于标准径向位置时，该发光单元1111将以一标准角度发射，得到标准光束；当灯杆11的径向位置出现误差时，由于灯杆11将偏向环形屏1内侧或外侧，若发光单元1111仍以标准角度发射的光束与标准光束不重合，将影响显示效果。此时，可以计算该发光单元1111在标准径向位置发射的标准光束与发光单元1111实际所在圆柱面的交点，以及该交点位置处标准光束的发射方向，从而控制发光单元1111在经过该交点位置时，以计算得到的该标准光束的发射方向发射光束，从而弥补灯杆11的径向位置误差对显示效果的影响。
为了使多个灯板111的发光单元1111位于同一个圆柱面上，每个灯杆11中的多个灯板111位于同一平面上，相邻灯板111的端面对齐且抵接。为了将多个灯板111连接，相邻的两个灯杆11之间斜拉撑12的数量可以与每个灯杆11中的灯板111的数量相同。在一些实施例中，每个灯板111的四个顶角位置分别设 置有第一螺纹孔。斜拉撑12中每个连杆121的两端均设置有凸耳123，凸耳123上沿竖向设置有两个第二螺纹孔。每个凸耳123上的两个第二螺纹孔对应与相邻的两个灯板111上的第一螺纹孔对齐，从而使每个凸耳123可以连接沿竖直方向拼接的两个灯板111。相邻的两个斜拉撑12中，位于上方的斜拉撑12的底部的两个凸耳123分别与位于下方的斜拉撑12的顶部的两个凸耳123搭接。可选地，斜拉撑12可以为铝或钢等材料制成的薄板结构，使得斜拉撑12本身具有一定的弹性，从而使环形屏1具有一定的柔性，有利于提高环形屏1的抗变形能力，且环形屏1在转动时，柔性的环形屏1可以根据离心力自动调整环形屏1的圆柱度，使得环形屏1足够圆，足够稳定。
本实施例中，环形屏1内用于显示的灯杆11的面积小，使得环形屏1的光学透明度高，同时，因为灯杆11的显示面积小，对应的反光面积也小，在此基础上灯杆11的表面可以采用涂黑设计，从而灯杆11对光线的反射，可以减小亮度损失，使得环形屏1具有较高的对比度，显示的图像和色彩更加清晰。
由于环形屏1中设置有斜拉撑12的位置的光线将被遮挡，遮挡面积越大，该位置处的亮度越暗，遮挡面积不等将导致环形屏1出现明暗相间的问题，影响环形屏1的显示效果。
为解决上述问题，如图3和图4所示，连杆121上可以设置有遮挡部122，遮挡部122可以使单位高度区域内斜拉撑12的面积相等，从而使环形屏1单位高度的区域内的亮度以及镂空面积相等，从而使环形屏1亮度以及透明度更均匀。
本实施例中，连杆121为宽度均匀的平行四边形板材。当两个连杆121交叉设置形成X型时，斜拉撑12的上下两端以及中间转动连接的位置面积小，为此，连杆121的下端和中间位置可以设置有遮挡部122，遮挡部122向连杆121的左右(即图3中左右方向)两侧延伸。同一连杆121上的两个遮挡部122分别位于连杆121的两侧。
为了简化加工工艺，节省加工成本，斜拉撑12可以为对称结构，组成斜拉撑12的两个连杆121的结构相同，生产时，只需要加工同一零件即可。
实际使用时，相邻的两个灯杆11之间，位于上方的斜拉撑12的下端的凸耳123与位于下方的斜拉撑12的上端的凸耳123搭接，使得每个斜拉撑12的上下两端均设置有遮挡部122，从而补偿遮挡面积，使环形屏1单位高度的区域内的亮度以及镂空面积相等，即图4中高度为H的两个区域内斜拉撑12的面积 相等，从而使环形屏1亮度以及透明度更均匀。
为简化斜拉撑12的结构，遮挡部122可以为与连杆121一体成型的片状结构。可选地，遮挡部122的形状可以为三角形，也可以为其他形状，只要保证单位高度区域内斜拉撑12的面积相等即可。
为保证每一列灯杆11中灯板111与灯板111位置对准精度高，在编织灯杆11时，可以采用定位模板，定位模板上设置有多列定位孔，一列灯杆11对应相邻的两列定位孔，以使每个灯板111上的第一螺纹孔均与对应的定位孔对齐。之后，通过螺钉将相邻两列灯杆11分别与斜拉撑12连接，从而实现灯板111间的高精度对准，斜拉撑12本身具有一定的柔性，使得环形屏1也具有柔性特质，力学均匀度高。
为避免环形屏1在转动过程中，灯杆11沿径向晃动，如图2所示，环形屏1还包括上箍环13和下箍环14，上箍环13和下箍环14的形状及大小可以相等，且呈上下分布，灯杆11的两端分别与上箍环13和下箍环14连接，从而保证每个灯杆11均沿竖直方向设置，避免灯杆11晃动。
本实施例中，上箍环13和下箍环14均可以包括多个首尾相连的弧形件，多个弧形件拼接形成完整的圆形环。其中，每一个弧形件的第一端设置有插接槽，第二端设置有与插接槽配合的插接块，组装上箍环13或下箍环14时，相邻的弧形件的插接槽与插接块配合。
为方便对拼接后的上箍环13或下箍环14的圆周度调整，插接块插入插接槽内的深度可调。可选地，插接块插入到插接槽内后，可以在调整插接块的插入深度后，通过紧固件锁定插接块的位置。其中，紧固件可以为螺栓，螺栓与弧形段螺纹连接，且端部能够伸入到插接槽内并与插接块抵接，通过抵紧插接块来锁定插接块的位置。
实际观影时，观影者可以位于环形屏1的内侧，中心轴21的上端沿周向均匀设置有多个悬臂22，悬臂22的末端与上箍环13连接，避免驱动机构2遮挡环形屏1。通过悬臂22连接上箍环13，可以减少材料的使用，安装更简单，驱动机构2更轻，上箍环13的受力更均匀。
上箍环13与灯杆11的上端连接，可以限制灯杆11的径向位置。为避免环形屏1转动过程中，灯杆11的下端在离心力的作用下向外侧偏移，可以通过下箍环14限制灯杆11下端的位置，保证灯杆11均在同一个圆柱面上。此外，驱动机构2仅与上箍环13连接，还可以使环形屏1在自身重力的作用下，保证每 个灯杆11自由下垂，有利于使上箍环13和下箍环14位置对齐。
为保证上箍环13在同一水平面内，每个悬臂22末端的高度可以调整，且多个悬臂22的末端形成的圆形的圆度可调，从而保证与悬臂22的末端连接的上箍环13的圆度更好。在一些实施例中，悬臂22为具有一定弹性的杆件，悬臂22的末端可以通过绳索23与中心轴21的上端连接，通过调整绳索23的长度，可以调整悬臂22末端的高度，从而保证多个悬臂22的末端位于同一水平面上。
为方便对上箍环13以及悬臂22进行调整，上箍环13和悬臂22可以通过第一连接件3实现可拆卸连接，且还可以调整上箍环13与悬臂22间沿环形屏1的径向的距离。
在一些实施例中，如图6和图7所示，第一连接件3整体可以为L型，包括竖直设置的第一板31和水平设置的第二板32，所述第一板31与所述第二板32连接，第一板31可以通过第一螺栓与悬臂22连接，第二板32可以通过第二螺栓与上箍环13连接。为了调整上箍环13与悬臂22间沿环形屏1的径向的距离，第二板32上可以设置有沿环形屏1的径向延伸的第一长条孔321，第二螺栓穿过第一长条孔321并与上箍环13连接。通过调整第二螺栓在第一长条孔321内的位置，可以调整悬臂22与上箍环13间沿环形屏1的径向的距离，从而进一步保证上箍环13位于水平面内以及上箍环13的圆周度。
为方便调整第一板31与悬臂22的连接位置，在一些实施例中，第一板31上可以设置有多个第一条形孔311，且靠近端部的第一条形孔311可以延伸至第一板31的端部形成缺口312，装配方便。为减小第一板31与第二板32连接位置的应力，在一些实施例中，第一长条孔321可以延伸至第一板31上，使得第一板31和第二板32之间形成应力释放口，有利于提高第一连接件3的使用寿命。
为调整多个灯杆11的圆周度，上箍环13可以通过第二连接件4与灯杆11的上端连接，且灯杆11与上箍环13间的径向距离可调，从而使多个灯杆11位于同一圆柱面上。在一些实施例中，如图8所示，第二连接件4整体可以呈L型，包括水平设置的第四板42和竖直设置的第三板41，所述第三板41与所述第四板42连接，第四板42可以与上箍环13的底面连接，第三板41可以与灯杆11上端的外侧面连接，从而对灯杆11起到导向作用，有利于灯杆11竖直向下延伸。
为调整灯杆11与上箍环13件的径向距离，第四板42上可以设置有沿环形屏1的径向延伸的第二长条孔421，第三螺栓穿过第二长条孔421并与上箍环13连接，通过调整第三螺栓在第二长条孔421内的位置，可以调整灯杆11与上箍环13间的径向距离，可以弥补上箍环13圆周度误差，使得多个灯杆11组成的曲面更圆。
同样地，下箍环14可以通过第三连接件5与灯杆11的下端连接，且灯杆11与下箍环14间的径向距离可调。第三连接件5的结构可以与第二连接件4的结构相同，从而弥补下箍环14圆周度误差，使得多个灯杆11组成的曲面更圆。
在其他实施例中第三连接件5也可以为其他结构。例如如图9所示，第三连接件5可以包括竖直设置的第五板51以及与第五板51的底部连接的U型件52，U型件52的开口向下。装配时，第五板51与灯杆11的下端外侧连接，U型件52扣设在下箍环14上，第四螺栓与U型件52的一侧侧壁螺纹连接，且第四螺栓的端部与下箍环14螺纹连接，通过调整第四螺栓伸入到U型件52的深度来调整下箍环14在U型件52内的位置，从而调整第五板51与下箍环14的径向距离，进而调整灯杆11与下箍环14之间的径向距离。通过设置第三连接件5，可以弥补下箍环14圆周度误差，使得多个灯杆11组成的曲面更圆。
为了方便调整灯杆11与下箍环14之间的径向距离，在一些实施例中，U型件52中两个侧壁之间的距离大于下箍环14的径向宽度，并使每一侧壁与下箍环14的周面之间的距离为1.5-2cm。
为避免环形透明屏中电源线、网线或灯板111与灯板111之间的线缆影响环形屏1的透明度，本实施例中环形透明屏可以采用隐藏式的布线方法。在一些实施例中，如图10所示，配电箱可以设置在驱动机构2底部，电源箱通过滑环后利用UPS电源器输出稳定电压，线缆由中心轴21内部向上延伸至中心轴21顶部。中心轴21的顶部设置有电源端子箱，电源端子箱将380V电源转换为220V输出。环形透明屏的顶部还设置有开关电源61和分线盒62，以将电源分散为24V电源输出。分散后的24V电源通过悬臂22内的线缆分别与每个灯杆11上的印刷电路板电连接，以便为每个灯杆11供电。可选地，开关电源61和分线盒62之间的线缆可以采用直径为16mm的软线，分线盒62与灯杆11之间的线缆可以采用直径为6mm的软线。每个开关电源61可以带载6列灯杆11。
灯杆11中灯板111间的线缆均沿灯杆11的背面排布，避免影响灯杆11的显示。中心轴21与悬臂22为中空结构，除灯板111之间以外的线缆可以沿中 心轴21和悬臂22内部排布，避免线缆影响环形屏1显示。
环形透明屏的底部可以设置服务器端，环形透明屏的顶部可以设置有交换机，由服务器端的交换机接出的网线，可以通过中心轴21达到环形透明屏顶部的中心平台，分散后接入顶部的多个交换机，再从各个交换机引出并沿悬臂22分向每个灯杆11背面的控制器112，以便实现实时的网络信息传输。这种分散交换机转出的方式，一方面可以减少总机布线的复杂冗余性，另一方面可以解决在传输视频信息时的带宽问题和稳定性问题。
为提高环形屏1的分辨率，可以通过提高环形屏1的转速以及缩小像素间距实现。如图11所示，本实施例中每个灯杆11上设置有多列发光单元1111，同一个灯杆11上的多列发光单元1111可以错位设置。在一些实施例中，每个发光单元1111可以作为一个像素，同一列发光单元1111中相邻的两个像素之间的距离为L，多列发光单元1111错位设置后，可以大大缩小整个灯板111上像素间距P，从而提高垂直分辨率。水平分辨率则可以通过提高灯杆11的显示频率实现，其中，显示频率指每个发光单元1111的更新速率。
为了减小图像闪烁，环形屏1的实际转速不小于1Hz，显示刷新频率不小于80帧/秒，其中，显示刷新频率代表单位时间的画面数，即单位时间内刷过的灯杆11的数量。
本实施例中的环形屏1可以通过增加灯杆11的数量来增大环形屏1的亮度，通过设置多列错位设置的发光单元1111和提高灯杆11的刷新频率实现更高分辨率，且环形屏1的大小调整灵活，不受显示原理的限制；多个灯杆11与多个斜拉撑12组成的环形屏1具有较高的透明度以及柔性，抗变形能力强，可以对环形屏1的圆周度进行调整。
以像素间距P为0.7mm为例，本实施例中的环形透明屏的对比度可以大于1000:1，刷新率可以为80Hz，水平高分辨率为30K，垂直分辨率为2.7k，颜色深度可以为10位。
由于环形屏1通过旋转实现显示，旋转过程中悬臂22和环形屏1等结构与气流相对运动，将产生风声，影响观影效果。为此，本实施例中还提供了降噪方案。
在一些实施例中，如图12所示，为减少悬臂22在旋转过程中的风声，悬臂22外可以套设有降噪套221，降噪套221的截面可以呈水滴型，且降噪套221的尖端背离环形屏1的转动方向。水滴型的曲面流畅，可以减小风阻，从而达 到降低风噪、减小阻力的目的。
由于悬臂22越靠近中心轴21的位置处风阻越小，为降低环形透明屏的成本，可以只在悬臂22的末端套设降噪套221即可，降噪套221的长度可以不小于悬臂22长度的一半。
为减小环形屏1在转动过程中产生的风声对观众的影响，环形屏1的内侧可以设置有一环形的透明的降噪屏，降噪屏与环形屏1之间的间距可以为8-12cm。通过设置降噪屏，可以使环形屏1转动过程中只产生一个方向的风阻，减少各个方向的风的流动，从而达到降低风噪的目的。为避免降噪屏影响观影，降噪屏可以采用透明材料制成，例如透明玻璃。
在其他实施例中，为减小风噪，环形屏1外可以套设有降噪罩，且降噪罩内部可以呈真空环境，使得环形屏1在真空中转动，不仅可以达到降风噪的目的，还可以使旋转的环形屏1具有更高的安全性以及更好的用户体验。
除风噪之外，环形透明屏的驱动机构2工作时也会产生一定的噪音，例如动力源。本实施例中，动力源可以包括电机，电机驱动中心轴21转动。在其他实施例中，动力源还可以包括从传动组件，以便调整中心轴21的转速。
为减少动力源产生的噪音，动力源可以设置在隔音罩内，隔音罩内可以放置吸音泡沫、隔音棉等，避免动力源产生的噪音传出隔音罩外。为方便去动力源维修，隔音罩可以设置有检修门，检修门与隔音罩之间可以通过密封条来密封，从而达到降噪的目的。
如图13所示，本实施例还提供了一种环形显示系统，包括外环显示屏200和至少一个上述的环形透明屏100，环形透明屏100位于外环显示屏200的内侧，且与外环显示屏200同轴设置。其中，外环显示屏200可以为普通的非透明显示屏，其与环形透明屏100配合可以实现多层立体显示。
本实施例中，外环显示屏200为封闭的圆筒状结构，在其他实施例中，外环显示屏200的圆心角也可以小于360度，或横截面为椭圆、部分椭圆或其他曲线结构。
本文提供了一种环形透明屏及环形显示系统。该环形透明屏中，相邻灯杆之间具有镂空区，使得环形屏的透明度高；环形屏的尺寸不受结构限制，可以根据需要改变环形屏的大小，从而获得更大的显示面积；环形屏在转动时，利 用人类视觉暂留效应实现连续且清晰的图像显示，显示画面无拼接缝隙；相邻灯杆之间斜拉撑的结构稳定，抗变形能力好，有利于提高环形屏的整体强度和抗震性能。

Claims (17)

  1. 一种环形透明屏，包括环形屏(1)和驱动机构(2)，所述驱动机构(2)被配置为驱动所述环形屏(1)绕所述环形屏(1)的轴线转动；
    所述环形屏(1)包括：
    多个灯杆(11)，所述多个灯杆(11)沿所述环形屏(1)的周向间隔设置；及
    多个斜拉撑(12)，每个所述斜拉撑(12)包括交叉连接的两个连杆(121)，任两个相邻的所述灯杆(11)通过所述斜拉撑(12)连接。
  2. 如权利要求1所述的环形透明屏，其中，每个所述连杆(121)上设置有遮挡部(122)，所述遮挡部(122)被配置为使每个所述斜拉撑(12)在单位高度区域内的遮挡面积相等。
  3. 如权利要求2所述的环形透明屏，其中，所述连杆(121)和所述遮挡部(122)均为薄板结构。
  4. 如权利要求2所述的环形透明屏，其中，同一所述斜拉撑(12)中的两个所述连杆(121)相互对称；
    每个所述连杆(121)的一端均设置有所述遮挡部(122)，每个所述连杆(121)与另一所述连杆(121)的交叉点均设置有所述遮挡部(122)，且每个所述连杆(121)的两个所述遮挡部(122)分别位于该连杆(121)的两侧。
  5. 如权利要求1-4中任一项所述的环形透明屏，其中，所述环形屏(1)还包括上箍环(13)和下箍环(14)，所述上箍环(13)与所述驱动机构(2)连接，每个所述灯杆(11)的两端分别与所述上箍环(13)和所述下箍环(14)连接。
  6. 如权利要求5所述的环形透明屏，其中，所述上箍环(13)和所述下箍环(14)均包括多个首尾相连的弧形件，每个所述弧形件的第一端设置插接槽，第二端设置插接块，所述插接块能够插入所述插接槽内且插入深度可调。
  7. 如权利要求5所述的环形透明屏，所述驱动机构(2)包括：
    动力源；
    中心轴(21)，所述中心轴(21)与所述环形屏(1)的轴线重合，所述中心轴(21)与所述动力源传动连接；及
    多个悬臂(22)，每个所述悬臂(22)的第一端与所述中心轴(21)连接，每个所述悬臂(22)的第二端与所述上箍环(13)连接，所述多个悬臂(22)沿所述中心轴(21)的周向均匀分布。
  8. 如权利要求7所述的环形透明屏，其中，每个所述悬臂(22)末端的高度以及所述多个悬臂(22)的末端形成的圆度可调；
    每个所述悬臂(22)的末端通过绳索(23)与所述中心轴(21)连接，且每个所述悬臂(22)的所述绳索(23)的长度可调以调整该悬臂(22)末端的高度。
  9. 如权利要求7所述的环形透明屏，其中，每个所述悬臂(22)通过第一连接件(3)与所述上箍环(13)可拆卸连接，且所述上箍环(13)与每个所述悬臂(22)间沿所述环形屏(1)的径向的距离可调；
    所述第一连接件(3)包括竖直设置的第一板(31)和水平设置的第二板(32)，所述第一板(31)与所述第二板(32)连接，所述第一板(31)与所述悬臂(22)连接；所述第二板(32)上设置有沿所述环形屏(1)的径向延伸的第一长条孔(321)，第二螺栓穿过所述第一长条孔(321)并与所述上箍环(13)连接。
  10. 如权利要求7所述的环形透明屏，其中，每个所述悬臂(22)的末端套设有降噪套(221)，每个所述降噪套(221)的截面呈水滴型，且每个所述降噪套(221)的尖端背离所述环形屏(1)的转动方向。
  11. 如权利要求5所述的环形透明屏，其中，每个所述灯杆(11)通过第二连接件(4)与所述上箍环(13)连接，每个所述灯杆(11)与所述上箍环(13)间的沿所述环形屏(1)的径向距离可调；
    所述第二连接件(4)包括竖直设置的第三板(41)以及水平设置的第四板(42)，所述第四板(42)上设置有沿所述环形屏(1)的径向延伸的第二长条孔(421)，第三螺栓穿过所述第二长条孔(421)并与所述上箍环(13)连接，所述第三板(41)与所述灯杆(11)连接。
  12. 如权利要求5所述的环形透明屏，其中，每个所述灯杆(11)通过第三连接件(5)与所述下箍环(14)连接，每个所述灯杆(11)与所述下箍环(14)间的沿所述环形屏(1)的径向距离可调。
  13. 如权利要求1-4中任一项所述的环形透明屏，还包括：
    环形的降噪屏，所述降噪屏由透明材料制成，所述降噪屏与所述环形屏(1)间隔设置且位于所述环形屏(1)的内侧。
  14. 如权利要求1-4中任一项所述的环形透明屏，其中，每个所述灯杆(11)上设置有至少一列沿竖直方向设置的发光单元(1111)。
  15. 权利要求14所述的环形透明屏，其中，每个所述灯杆(11)设置有至少 两列所述发光单元(1111)，同一所述灯杆(11)上的至少两列所述发光单元(1111)错位设置。
  16. 如权利要求14所述的环形透明屏，其中，任一所述发光单元(1111)为矢量发光单元或LED灯。
  17. 一种环形显示系统，包括外环显示屏(200)以及至少一个如权利要求1-16中任一项所述的环形透明屏(100)，所述环形透明屏(100)位于所述外环显示屏(200)内侧且与所述外环显示屏(200)同轴设置。
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