CN108986725B - Rotary holographic display device - Google Patents
Rotary holographic display device Download PDFInfo
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- CN108986725B CN108986725B CN201811155727.1A CN201811155727A CN108986725B CN 108986725 B CN108986725 B CN 108986725B CN 201811155727 A CN201811155727 A CN 201811155727A CN 108986725 B CN108986725 B CN 108986725B
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- 230000004308 accommodation Effects 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims description 51
- 238000005192 partition Methods 0.000 claims description 49
- 238000004891 communication Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 17
- GBUCDGDROYMOAN-UHFFFAOYSA-N 1,2,5-trichloro-3-phenylbenzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C=CC=CC=2)=C1 GBUCDGDROYMOAN-UHFFFAOYSA-N 0.000 description 15
- ZMHWQAHZKUPENF-UHFFFAOYSA-N 1,2-dichloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1Cl ZMHWQAHZKUPENF-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000003032 molecular docking Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000000827 velocimetry Methods 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention provides a rotary holographic display device, which belongs to the field of holographic display equipment and comprises a fixed component, a rotary component and a driving piece. The fixed subassembly includes first base member, first PCB board and first coil, and first base member is inside to be equipped with first accommodation space, and first coil and first PCB board are all installed in first accommodation space, and first coil and first PCB board electricity are connected. The rotating assembly comprises a second base body, a lamp strip PCB (printed Circuit Board), a second PCB and a second coil, wherein the lamp strip PCB, the second PCB and the second coil are all arranged on the second base body, the lamp strip PCB is electrically connected with the second PCB, and the second coil is electrically connected with the second PCB. The driving piece is used for driving the second base body to rotate relative to the first base body. The second coil is located in the first accommodating space, and the second coil is coupled with the first coil. The rotating holographic display device with the structure greatly reduces the volume of a non-rotating part, greatly improves the perspective of holographic display and ensures better display effect.
Description
Technical Field
The invention relates to the field of holographic display equipment, in particular to a rotary holographic display device.
Background
In recent years, with the development of the advertising display industry, there is an urgent need for novel and convenient display devices in the market. Holographic display is a novel display mode, and has great potential due to the unique perspective display mode.
The existing rotating holographic display device has the defect that the non-rotating part has overlarge volume, when the rotating holographic display device rotates, the blade part of the light bar can be seen through due to visual persistence, but the non-rotating part of other elements such as a motor and the like arranged at the bottom can block the visual line due to incapability of rotating, so that the perspective of the whole holographic display device is reduced.
Disclosure of Invention
The object of the present invention is to provide a rotary holographic display device to improve the problem of reducing the perspective of the whole holographic display device due to the excessive volume of the non-rotating part.
The invention is realized in the following way:
Based on the first object, the present invention provides a rotary holographic display device, comprising a fixed assembly, a rotary assembly and a driving member; the fixing assembly comprises a first base body, a first PCB and a first coil, wherein a first accommodating space is formed in the first base body, the first coil and the first PCB are both installed in the first accommodating space, and the first coil is electrically connected with the first PCB; the rotating assembly comprises a second base body, a light bar PCB, a second PCB and a second coil, wherein the light bar PCB, the second PCB and the second coil are all arranged on the second base body, the light bar PCB is electrically connected with the second PCB, and the second coil is electrically connected with the second PCB; the first base body is connected with the second base body through the driving piece, the driving piece is positioned in the first accommodating space, and the driving piece can drive the second base body to rotate relative to the first base body; the second coil is located in the first accommodation space, and the second coil is coupled with the first coil.
In one embodiment of the present invention, the fixing assembly further includes a first coil fixing frame, the first coil fixing frame being located in the first receiving space and detachably connected to the first base, the first coil being mounted to the first coil fixing frame;
The rotating assembly further comprises a second coil fixing frame detachably connected to the second base body, and the second coil is mounted on the second coil fixing frame.
In one embodiment of the present invention, the first coil is nested inside the first coil fixing frame, the second coil is sleeved inside the second coil fixing frame, and the second coil is located inside the first coil.
In one embodiment of the present invention, a first partition plate fixedly connected to the first base is disposed in the first accommodating space, and the first PCB and the first coil fixing frame are respectively mounted on two sides of the first partition plate in the thickness direction.
In one embodiment of the invention, a second accommodating space is arranged in the second base body, a second partition plate fixedly connected with the second base body is arranged in the second accommodating space, and the second PCB and the second coil fixing frame are respectively arranged on two sides of the second partition plate in the thickness direction.
In one embodiment of the invention, the driving member is located inside the first and second coils;
The inner wall of the first base body, one surface of the first partition plate facing the second partition plate, one surface of the second partition plate facing the first partition plate and the outer wall of the driving piece are all provided with wave absorbing layers.
In one embodiment of the present invention, the driving member is a motor, the motor includes a stator and a rotor, the stator is connected to the first base, and the rotor is connected to the second base;
The motor is located between the first PCB and the second PCB in the axial direction of the stator, a first wireless communication element is arranged on the first PCB, a second wireless communication element is arranged on the second PCB, and a through hole for the first wireless communication element to communicate with the second wireless communication element is formed in the center of the rotor and is arranged along the central axis of the rotor.
In one embodiment of the invention, the outer wall of the driver and the inner wall of the first base together define an annular space;
The first PCB is provided with a first infrared speed measuring element, the second PCB is provided with a second infrared speed measuring element, the first infrared speed measuring element is positioned on a first circle, the second infrared speed measuring element is positioned on a second circle, the radiuses of the first circle and the second circle are equal, and the circle center of the first circle and the circle center of the second circle are both positioned on the axis of the second substrate rotating relative to the first substrate;
The first circle is located within the annular space.
In one embodiment of the invention, the rotating assembly further comprises a light bar protection sleeve, the light bar protection sleeve is mounted on the second substrate, and the light bar protection sleeve is sleeved on the outer side of the light bar PCB.
In an embodiment of the invention, the number of the light bar PCB boards is plural, and the plural light bar PCB boards are distributed in the second substrate in a circumferential array.
In one embodiment of the invention, a circular positioning hole is formed in the second substrate;
the lamp strip PCB board includes bar portion and locates the location portion of bar portion one end, all the location portion concatenation of lamp strip PCB board forms circular portion, circular portion is located in the circular locating hole, the external diameter of circular portion with the aperture phase-match in circular locating hole.
The second substrate is provided with a supporting part extending outwards along the radial direction of the circular positioning hole, and the supporting part is used for supporting the strip-shaped part.
In one embodiment of the present invention, the second substrate is provided with fan blades for dissipating heat of the fixing component.
The beneficial effects of the invention are as follows:
the invention provides a rotary holographic display device, wherein a first PCB and a first coil in a fixed assembly are both positioned in a first accommodating space of a first substrate, and a second coil in the rotary assembly is also positioned in the first accommodating space, so that electric energy transmission is realized through coupling between the second coil and the first coil, namely, after the first coil in the fixed assembly is electrified, induced current is generated in the second coil, thereby realizing power supply to the second PCB and a lamp strip PCB.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a rotary holographic display device according to embodiment 1 of the present invention;
FIG. 2 is an exploded view of the securing assembly shown in FIG. 1;
FIG. 3 is a schematic structural view of the first substrate shown in FIG. 2;
fig. 4 is a schematic structural diagram of the first PCB shown in fig. 1;
FIG. 5 is a first coil fixing frame shown in FIG. 2;
FIG. 6 is an exploded view of the rotating assembly shown in FIG. 1;
FIG. 7 is a schematic view of the second substrate shown in FIG. 6;
fig. 8 is a schematic structural diagram of the light bar PCB board shown in fig. 6;
fig. 9 is a schematic structural diagram of the second PCB shown in fig. 6;
FIG. 10 is a schematic view of the second coil fixing frame shown in FIG. 6 from a first view angle;
FIG. 11 is a schematic structural view of the second coil fixing frame shown in FIG. 6 at a second view angle
FIG. 12 is a schematic view of the light bar protection sleeve shown in FIG. 6;
FIG. 13 is a schematic diagram illustrating the connection of the light bar PCB shown in FIG. 6, a second substrate and a light bar protective sleeve;
fig. 14 is a schematic structural view of the driving member shown in fig. 1.
Icon: 100-rotating a holographic display; 10-fixing the assembly; 11-a first matrix; 111-a first separator plate; 1111—a first central aperture; 1112-a first mounting hole; 1113-a first docking aperture; 1114—a first snap hole; 1115—a first through hole; 12-a first PCB board; 121-a first wireless communication element; 122-a first infrared velocimetry element; 13-a first coil; 14-a first coil fixing frame; 141-a first cylinder; 142-a first ring body; 1421-a first clip portion; 1422-first projection; 1423-first via; 15-end caps; 20-a rotating assembly; 21-a second substrate; 211-a second divider; 2111-a second central aperture; 2112-a second mounting hole; 2113-a second docking aperture; 2114-second snap hole; 2115-second via; 212-sealing piece; 213-a support; 2131-a clamping groove; 2132-locating projections; 22-a light bar PCB; 221-bar-shaped portion; 222-positioning part; 23-a second PCB; 231-a second wireless communication element; 232-a second infrared velocimetry element; 24-a second coil; 25-a second coil fixing frame; 251-a second cylinder; 252-a second ring body; 2521-a second clip section; 2522-a second protrusion; 2523-second via; 26-a light bar protective sleeve; 261-sleeve body; 2611-through slot; 262-sheet body; 2621-positioning grooves; 30-a driving member; 31-through holes; 40-fan blades.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in use of the product of the present invention as understood by those skilled in the art, merely for convenience of describing the present invention and simplifying the description, and is not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, the present embodiment provides a rotary holographic display device 100, which includes a fixed component 10, a rotary component 20, and a driving member 30, wherein the rotary component 20 can rotate relative to the fixed component 10, and the driving member 30 is used for driving the rotary component 20 to rotate relative to the fixed component 10.
As shown in fig. 2, the fixing assembly 10 includes a first substrate 11, a first PCB 12, a first coil 13, a first coil fixing frame 14 and an end cover 15, wherein the first PCB 12, the first coil 13 and the first coil fixing frame 14 are all disposed in the first substrate 11, the first coil 13 is mounted on the first coil fixing frame 14, the first coil fixing frame 14 is detachably connected with the first substrate 11, and the end cover 15 covers one end of the first substrate 11.
Specifically, as shown in fig. 3, the first base 11 has a cylindrical shape, and a first accommodation space having both ends open is formed inside the first base, and the first accommodation space has a cylindrical shape. A first partition plate 111 is provided in the first accommodation space, the first partition plate 111 being fixed to an inner wall of the first base 11, the first partition plate 111 dividing the first accommodation space into two accommodation spaces. The first partition plate 111 is provided with a first center hole 1111, a first mounting hole 1112, a first docking hole 1113, a first clamping hole 1114, and a first passing hole 1115; the first central holes 1111 and the first mounting holes 1112 are circular holes, the first butt joint holes 1113 are bar-shaped holes, the first central holes 1111 are positioned at the central position of the first partition plate 111, the number of the first mounting holes 1112 is four, and the four first mounting holes 1112 are circumferentially distributed around the first central holes 1111; the first clamping holes 1114 are elongated holes, two first clamping holes 1114 are located 180 degrees apart from each other.
In addition, in the present embodiment, the inner wall of the first base 11 and one surface in the thickness direction of the first partition plate 111 are each provided with a wave-absorbing layer. The wave absorbing layer is a patch made of wave absorbing material such as ferrite or alloy.
In this embodiment, as shown in fig. 4, the first PCB 12 is circular, the diameter of the first PCB 12 is consistent with the inner wall of the first substrate 11, the first PCB 12 is provided with a first wireless communication element 121 and a first infrared speed measuring element 122, the first wireless communication element 121 is disposed at the center of the first PCB 12, the first infrared speed measuring element 122 is an infrared diode, and the first infrared speed measuring element 122 is used for emitting infrared rays.
The first coil 13 is a coil formed by winding a wire, and when energized, generates a magnetic field.
As shown in fig. 5, the first coil fixing frame 14 is a circular hollow structure, the first coil fixing frame 14 includes a first cylinder 141 and a first ring 142, the two ends of the first cylinder 141 are open, the outer wall of the first ring 142 is connected to the inner wall of the first cylinder 141, the first ring 142 is located at one end of the opening of the first cylinder 141, and the inner diameter of the first cylinder 141 is matched with the outer diameter of the first coil 13. The first ring body 142 is provided with a first clamping portion 1421, the first clamping portion 1421 extends out of the first cylinder 141, and two clamping portions 1421 are separated by 180 degrees. In addition, a first protrusion 1422 is disposed on the outer end surface of the first ring body 142, the outer contour of the first protrusion 1422 matches the inner contour of the first docking hole 1113, and a first wire through hole 1423 communicating with the inside of the first coil fixing frame 14 is disposed on the first protrusion 1422.
The end cap 15 is a circular cap body structure.
As shown in fig. 2, the first coil 13 is nested inside the first cylinder 141 of the first coil fixing frame 14; the first coil fixing frame 14 and the first coil 13 are integrally located in the first accommodating space of the first base 11, the first coil fixing frame 14 is mounted on one side of the first partition plate 111 where the wave absorbing layer is arranged, two first clamping parts 1421 on the first coil fixing frame 14 are respectively clamped in two first clamping holes 1114 on the first partition plate 111, so that the first coil fixing frame 14 and the first base 11 are detachably connected, the first coil 13 is conveniently dismounted, and a first protruding part 1422 on the first coil fixing frame 14 is inserted into a first butt joint hole 1113 on the first partition plate 111 to form fit; the first PCB 12 is also located in the first receiving space, and the first PCB 12 is mounted on a side of the first partition plate 111 where the wave absorbing layer is not disposed in the thickness direction by screws; the end cover 15 is covered at one axial end of the first base 11, and the end cover 15 is connected with the first base 11 through screws, so that the first PCB 12 is located in a closed space defined by the inner wall of the first base 11, one end face of the first end cover 15 and one end face of the first partition plate 111 together, and the first PCB 12 is protected; the first PCB 12 is electrically connected to the first coil 13 through a wire, that is, one end of the wire is electrically connected to the first coil 13, and the other end of the wire passes through the first wire hole 1423 on the first coil fixing frame 14 to be electrically connected to the first PCB 12. After the first PCB 12 is mounted on the first partition 111, the first wireless communication element 121 on the first PCB 12 is aligned with the first central hole 1111 on the first partition 111, and the first infrared velocimetry element 122 is aligned with the first through hole 1115 on the first partition 111.
As shown in fig. 6, the rotating assembly 20 includes a second base 21, a light bar PCB board 22, a second PCB board 23, a second coil 24, a second coil fixing frame 25, and a light bar protective cover 26. The light bar PCB 22, the second PCB 23, the second coil fixing frame 25 and the light bar protective sleeve 26 are all arranged on the second base 21, the second coil 24 is arranged on the second coil fixing frame 25, and the light bar protective sleeve 26 is sleeved on the outer side of the light bar PCB 22.
As shown in fig. 7, the second substrate 21 has a cylindrical shape, and a second accommodation space with both ends open is formed inside the second substrate 21, the second accommodation space has a cylindrical shape, the outer diameter of the second substrate 21 is equal to the outer diameter of the first substrate 11, and the inner diameter of the second substrate 21 is equal to the inner diameter of the first substrate 11. The second accommodating space is internally provided with a second partition plate 211, the second partition plate 211 is fixed on the inner wall of the second base body 21, the second partition plate 211 divides the second accommodating space into two accommodating spaces, and one accommodating space is a circular positioning hole. The second partition plate 211 is provided with a second central hole 2111, a second mounting hole 2112, a second butt joint hole 2113, a second clamping hole 2114 and a second through hole 2115; the second central holes 2111 and the second mounting holes 2112 are circular holes, the second central holes 2111 are positioned at the center of the second partition 211, the number of the second mounting holes 2112 is four, and the four second mounting holes 2112 are circumferentially distributed around the second central holes 2111; the second clamping holes 2114 are elongated holes, and two second clamping holes 2114 are located 180 degrees apart. In addition, a signal transmission port is provided on the side wall of the second frame body, and a sealing member 212 made of plastic material is provided on the signal transmission port.
In this embodiment, the second substrate 21 is provided with a plurality of support portions 213 extending radially outward along the circular positioning hole, and preferably four support portions 213 are circumferentially arrayed in the second substrate 21. The upper surface of the supporting portion 213 is provided with a clamping groove 2131, and the clamping groove 2131 penetrates both ends of the supporting portion 213 in the extending direction of the supporting portion 213 such that the clamping groove 2131 communicates with the circular positioning hole. The clamping groove 2131 has two opposite groove walls, and two groove walls are provided with positioning protrusions 2132.
In addition, in the present embodiment, a wave-absorbing layer is provided on one surface of the second partition plate 211 in the thickness direction, and the wave-absorbing layer is located in another accommodation space other than the circular positioning hole in the second accommodation hole. The wave absorbing layer is a patch made of wave absorbing material such as ferrite or alloy.
In this embodiment, the number of the light bar PCB boards 22 is plural, preferably four. As shown in fig. 8, the light bar PCB 22 includes a bar portion 221 and a positioning portion 222 disposed at one end of the bar portion 221, and a plurality of LED lamps are disposed on the bar portion 221.
As shown in fig. 9, the second PCB 23 is circular, the diameter of the second PCB 23 is consistent with the diameter of the circular positioning hole, the second PCB 23 is provided with a second wireless communication element 231 and a second infrared speed measuring element 232, the second wireless communication element 231 is disposed at the center of the second PCB 23, the second infrared speed measuring element 232 is an infrared diode, and the second infrared speed measuring element 232 is used for receiving and detecting.
The second coil 24 is a coil wound with a wire, and is capable of generating an induced current when placed in a magnetic field.
As shown in fig. 10, the second coil fixing frame 25 is a circular hollow structure, the second coil fixing frame 25 includes a second cylinder 251 and a second ring body 252, the second cylinder 251 is of a structure with two open ends, the inner wall of the second ring body 252 is connected to the outer wall of the second cylinder 251, the second ring body 252 is located at one end of the opening of the second cylinder 251, and the outer diameter of the second cylinder 251 is matched with the inner diameter of the second coil 24. As shown in fig. 11, the second ring 252 is provided with second clamping portions 2521, the second clamping portions 2521 extend out of the second cylinder 251, and two second clamping portions 2521 are 180 degrees apart. In addition, a second protrusion 2522 is provided on an outer end surface of the second ring body 252, an outer contour of the second protrusion 2522 is matched with an inner contour of the second docking hole 2113, and a second through hole 2523 communicating with an inside of the second coil fixing frame 25 is provided on the second protrusion 2522.
As shown in fig. 12, the light bar protection sleeve 26 comprises a sleeve body 261 and a sheet body 262, wherein a sleeve hole is arranged in the sleeve body 261, the sleeve hole penetrates through two ends of the sleeve body 261 in the length direction, a through groove 2611 communicated with the sleeve hole is arranged on the side wall of the sleeve body 261, and the through groove 2611 penetrates through two ends of the sleeve body 261 in the length direction; the sheet 262 is in a sheet shape, the sheet 262 is connected to one end of the sleeve 261, and positioning grooves 2621 are formed at both ends of the sheet 262 in the width direction.
As shown in fig. 6, the second coil 24 is sleeved outside the second cylinder 251 of the second coil fixing frame 25; the second coil fixing frame 25 is mounted on one side of the second partition plate 211, on which the wave absorbing layer is arranged, two second clamping parts 2521 on the second coil fixing frame 25 are clamped in two second clamping holes 2114 on the second partition plate 211 in a sealing manner, so that the second coil fixing frame 25 and the second base 21 are connected in a detachable manner, the second coil 24 is convenient to disassemble and assemble, and second protruding parts 2522 on the second coil fixing frame 25 are inserted into second butt joint holes 2113 on the second partition plate 211 to form matching; the second PCB 23 is also positioned in the circular positioning hole of the second base body 21, the second PCB 23 is arranged on one side of the second partition plate 211, which is not provided with the wave absorbing layer, through screws, and an antenna on the second PCB 23 faces the sealing piece 212, so that the antenna signal is ensured not to be shielded; the sheet body 262 of the light bar protection sleeve 26 is clamped in the clamping groove 2131 on the supporting part 213, and two positioning protrusions 2132 on the groove wall of the clamping groove 2131 are clamped in two positioning grooves 2621 on the sheet body 262, so that the light bar protection sleeve 26 and the second substrate 21 are positioned, and the sheet body 262 is connected with the supporting part 213 through screws; the strip-shaped part 221 of the lamp strip PCB 22 is inserted into the trepanning of the lamp strip protective sleeve 26 and is clamped in the clamping groove 2131 of the supporting part 213, the supporting part 213 can support the lamp strip PCB 22, so that the lamp strip PCB 22 is not easy to break, the lamp strip protective sleeve 26 can protect the lamp strip, the lamp strip PCB 22 can also be prevented from being broken, the position of an LED lamp on the lamp strip PCB 22 corresponds to the through groove 2611 on the lamp strip protective sleeve 26, and the light after the LED lamp emits light is transmitted from the through groove 2611; as shown in fig. 13, the four light bar PCB boards 22 are distributed in a circumferential array with the second substrate 21, the positioning portions 222 of the light bar PCB boards 22 are positioned in the circular positioning holes, the positioning portions 222 of the four light bar PCB boards 22 are spliced to form circular portions, the whole circular portions are positioned in the circular positioning holes, the outer diameter of the circular portions is matched with the aperture of the circular positioning holes, so that the light bar PCB boards 22 are positioned with the second substrate 21, and the PCB boards are connected with the second substrate 21 through screws; the second PCB 23 is electrically connected to the second coil 24 through a wire, that is, one end of the wire is electrically connected to the second coil 24, and the other end of the wire passes through the second through hole 2523 of the second coil fixing frame 25 to be electrically connected to the second PCB 23; the light bar PCB 22 is electrically connected to the second PCB 23 by wires. After the second PCB 23 is mounted on the second partition 211, the second wireless communication element 231 on the second PCB 23 is aligned with the second central hole 2111 on the second partition 211, and the second infrared velocimetry element 232 is aligned with the second through hole 2115 on the second partition 211.
As shown in fig. 14, the driving member 30 is used to drive the second base 21 to rotate relative to the first base 11. In this embodiment, the driving member 30 is a motor, and the motor is a pan-tilt motor. In this embodiment, the outer wall of the motor is provided with a wave-absorbing layer as well. The motor comprises a stator and a rotor, the center of which is provided with a through hole 31 arranged along the central axis thereof.
When the fixing assembly 10, the rotating assembly 20 and the motor are installed, the stator of the motor is connected with the first partition plate 111 in the first base body 11 through four screws, the four screws correspondingly penetrate into four first mounting holes 1112 on the first partition plate 111, the rotor of the motor is connected with the second partition plate 211 in the second base body 21 through four screws, and the four screws penetrate into four second mounting holes 2112 on the second partition plate 211. The motor is located the first accommodation space of base member, and the motor is located between first PCB board 12 and second PCB board 23 in the axial of motor, and the wave absorbing layer on the first division board 111 faces the wave absorbing layer on the second division board 211, and the stator of motor is installed in the one side that first division board 111 was equipped with the wave absorbing layer, and the rotor of motor is installed in the one side that second division board 211 was equipped with the wave absorbing layer. When the rotor of the motor rotates, the second base 21 will rotate relative to the first base 11, thereby rotating the entire stationary assembly 10 relative to the rotating assembly 20.
After the first base body 11 and the second base body 21 are connected through the motor, the first base body 11 and the second base body 21 are coaxially arranged, the second coil 24 in the rotating assembly 20 is located in the first accommodating space of the first base body 11, the second coil 24, the first coil 13 and the motor are coaxially arranged, the second coil 24 is located on the inner side of the first coil 13, the second coil 24 is coupled with the first coil 13, and the motor is located on the inner side of the second coil 24. The outer wall of the motor and the inner wall of the first substrate 11 together define an annular space, the first infrared speed measuring element 122 on the first PCB 12 is located on a first circle, the second infrared speed measuring element 232 on the second PCB 23 is located on a second circle, the radius of the first circle is equal to that of the second circle, the center of the first circle and the center of the second circle are both located on the axis of rotation of the second substrate 21 relative to the first substrate 11, and it can be understood that the motion track of the second infrared detecting element when the second substrate 21 rotates is the second circle; the first circle is located in the annular space, that is, the first infrared detecting element and the second infrared detecting element emit and receive infrared rays without being interfered by the motor, so that the rotation speed of the rotating assembly 20 is detected, and the space between the motor and the second substrate 21 is reasonably utilized. Further, the first wireless communication element 121 on the first PCB board 12 and the second wireless communication element 231 on the second PCB board 23 are always aligned with the through hole 31 in the center of the motor, so that the first wireless communication element 121 and the second wireless communication element 231 can be always maintained in a communication state.
In addition, in the present embodiment, as shown in fig. 1, the fan blade 40 is disposed on the second substrate 21, and the fan blade 40 is fixed to the lower surface of the supporting portion 213 on the second substrate 21, and one supporting portion 213 is correspondingly disposed on one fan blade 40. When the motor drives the rotating assembly 20 to rotate, the fan blades 40 will rotate along with the second base 21, so as to generate an air flow moving towards the fixed assembly 10 to dissipate heat of the fixed assembly 10.
When the LED lamp strip is in actual use, after the first PCB 12 is electrified, the first coil 13 is electrified, so that induced current is generated in the second coil 24, and the power supply to the second PCB 23 and the lamp strip PCB 22 is realized, and the LED lamp on the lamp strip PCB 22 is lighted; after the motor works, the rotating assembly 20 rotates relative to the fixed assembly 10, so that the lamp strip PCB 22 is driven to rotate, and the holographic display effect is achieved.
According to the rotary holographic display device 100 provided by the embodiment, the first PCB 12 and the first coil 13 in the fixed assembly 10 are both positioned in the first accommodating space of the first substrate 11, meanwhile, the second coil 24 in the rotary assembly 20 is also positioned in the first accommodating space, and the second coil 24 and the first coil 13 realize electric energy transmission in a coupling mode.
In this embodiment, the inner wall of the first substrate 11, the surface of the first partition plate 111 facing the second partition plate 211, the surface of the second partition plate 211 facing the second partition plate 211, and the outer wall of the driving member 30 are all provided with wave absorbing layers, and this structure can isolate the magnetic field, so that the magnetic field in the coil can effectively prevent the eddy current effect from being generated on the first substrate 11 to heat the first substrate 11 when the coil works normally.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A rotary holographic display, comprising:
the fixing assembly comprises a first base body, a first PCB and a first coil, wherein a first accommodating space is formed in the first base body, the first coil and the first PCB are both installed in the first accommodating space, and the first coil is electrically connected with the first PCB;
The rotating assembly comprises a second base body, a lamp strip PCB, a second PCB and a second coil, wherein the lamp strip PCB, the second PCB and the second coil are all arranged on the second base body, the lamp strip PCB is electrically connected with the second PCB, and the second coil is electrically connected with the second PCB; and
The driving piece is connected with the second base body through the driving piece, the driving piece is positioned in the first accommodating space, and the driving piece can drive the second base body to rotate relative to the first base body;
wherein the second coil is located within the first accommodation space, the second coil being coupled with the first coil;
the second substrate is provided with fan blades for radiating heat of the fixing component;
the plurality of lamp strip PCB plates are distributed on the second substrate in a circumferential array; a circular positioning hole is formed in the second substrate; the lamp strip PCB comprises a strip-shaped part and a positioning part arranged at one end of the strip-shaped part, the positioning parts of all the lamp strip PCB are spliced to form a circular part, the circular part is positioned in the circular positioning hole, and the outer diameter of the circular part is matched with the aperture of the circular positioning hole; the second substrate is provided with a supporting part extending outwards along the radial direction of the circular positioning hole, and the supporting part is used for supporting the strip-shaped part;
The fan blade is fixed on the lower surface of the supporting part, a clamping groove is formed in the upper surface of the supporting part, the clamping groove penetrates through two ends of the supporting part in the extending direction of the supporting part, so that the clamping groove is communicated with the circular positioning hole, the clamping groove is provided with two opposite groove walls, and positioning protrusions are arranged on the two groove walls; the rotating assembly further comprises a lamp strip protective sleeve, the lamp strip protective sleeve comprises a sleeve body and a sheet body, a sleeve hole is formed in the sleeve body, the sleeve hole penetrates through two ends of the sleeve body in the length direction, the sheet body is clamped in the clamping groove, two positioning protrusions on the groove wall of the clamping groove are clamped in two positioning grooves on the sheet body, and the strip-shaped part is inserted into the sleeve hole and clamped in the clamping groove.
2. The rotary holographic display of claim 1, in which the securing assembly further comprises a first coil securing frame positioned within the first receiving space and removably connected to the first base, the first coil being mounted to the first coil securing frame;
The rotating assembly further comprises a second coil fixing frame detachably connected to the second base body, and the second coil is mounted on the second coil fixing frame.
3. The rotary holographic display of claim 2, in which the first coil is nested inside the first coil fixation frame, the second coil is nested outside the second coil fixation frame, and the second coil is located inside the first coil.
4. The rotary holographic display of claim 2, wherein a first separator plate fixedly connected to the first base body is disposed in the first accommodation space, and the first PCB and the first coil fixing frame are mounted on both sides of the first separator plate in a thickness direction thereof, respectively.
5. The rotary holographic display of claim 4, wherein a second accommodation space is provided inside the second substrate, a second partition plate fixedly connected to the second substrate is provided inside the second accommodation space, and the second PCB and the second coil fixing frame are respectively mounted on two sides of the second partition plate in a thickness direction.
6. The rotary holographic display of claim 5, in which the drive is located inboard of the first and second coils;
The inner wall of the first base body, one surface of the first partition plate facing the second partition plate, one surface of the second partition plate facing the first partition plate and the outer wall of the driving piece are all provided with wave absorbing layers.
7. The rotary holographic display of claim 1, in which the drive element is a motor comprising a stator and a rotor, the stator being coupled to the first substrate and the rotor being coupled to the second substrate;
The motor is located between the first PCB and the second PCB in the axial direction of the stator, a first wireless communication element is arranged on the first PCB, a second wireless communication element is arranged on the second PCB, and a through hole for the first wireless communication element to communicate with the second wireless communication element is formed in the center of the rotor and is arranged along the central axis of the rotor.
8. The rotary holographic display of claim 1, in which an outer wall of the drive member and an inner wall of the first substrate together define an annular space;
The first PCB is provided with a first infrared speed measuring element, the second PCB is provided with a second infrared speed measuring element, the first infrared speed measuring element is positioned on a first circle, the second infrared speed measuring element is positioned on a second circle, the radiuses of the first circle and the second circle are equal, and the circle center of the first circle and the circle center of the second circle are both positioned on the axis of the second substrate rotating relative to the first substrate;
The first circle is located within the annular space.
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| CN201811155727.1A CN108986725B (en) | 2018-09-29 | 2018-09-29 | Rotary holographic display device |
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| CN201811155727.1A CN108986725B (en) | 2018-09-29 | 2018-09-29 | Rotary holographic display device |
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| CN108986725B true CN108986725B (en) | 2024-05-28 |
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| CN110264904B (en) * | 2019-05-24 | 2021-05-11 | 亿信科技发展有限公司 | Display device |
| CN112017548A (en) | 2019-05-28 | 2020-12-01 | 佛山市国星光电股份有限公司 | Blade assembly and fan screen comprising same |
| KR20210065658A (en) * | 2019-11-27 | 2021-06-04 | 엘지전자 주식회사 | Rotation type display device using semiconductor light emitting device |
| CN110930916A (en) * | 2020-01-13 | 2020-03-27 | 明日科技(深圳)有限公司 | Holographic fan combined display screen |
| CN112164330A (en) * | 2020-10-14 | 2021-01-01 | 郑州大学 | Electromagnetic resonance POV display screen based on flexible circuit board |
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