CN210573176U

CN210573176U - Holographic projection device with movable imaging

Info

Publication number: CN210573176U
Application number: CN201921634220.4U
Authority: CN
Inventors: 林志玮; 杨素慧; 林梦翔
Original assignee: Fujian Agriculture and Forestry University
Current assignee: Fujian Agriculture and Forestry University
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-19
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a 3D holographic projection technical field, concretely relates to holographic projection arrangement that formation of image is movable, include: the projection device comprises projection equipment, square prismatic tables, a rotary motor, a support, a driving mechanism and an inclination angle sensor, wherein the support is connected to an output shaft of the rotary motor, the driving mechanism for driving the projection equipment to synchronously move is respectively installed on the upper side and the lower side of the support, the projection equipment is respectively installed on the driving mechanism, two groups of square prismatic tables are symmetrically arranged on the upper side and the lower side of the support, and the inclination angle sensor is installed on the support; the utility model can display two related images in two square prismatic tables simultaneously, and can move the images up and down along the central axis of the square prismatic table by sliding the projection equipment, so as to change the positions of the images in the square prismatic tables; additionally, the utility model discloses can wholly rotate, further change into and look like the position, present brand-new visual experience.

Description

Holographic projection device with movable imaging

Technical Field

The utility model relates to a 3D holographic projection technical field, concretely relates to holographic projection arrangement that formation of image can move.

Background

The holographic projection technology is a virtual imaging technology, and can present a three-dimensional virtual image of an object through the principles of interference and diffraction. By utilizing the technology, the video or the image in the projection equipment is projected to the square prism table, so that a three-dimensional object is presented at an omnidirectional angle, and comfortable visual experience is brought to people. The existing holographic projection pyramid equipment often only presents one object during projection, and interaction among imaging objects is not considered; when the projection is carried out, the three-dimensional image of an object can be projected only at the fixed imaging position, and the spatial position of the imaging object cannot move.

SUMMERY OF THE UTILITY MODEL

The utility model provides a holographic projection arrangement that formation of image can be moved can effectively solve above-mentioned problem.

The utility model discloses a realize like this:

an imaging-shiftable holographic projection apparatus, comprising: projection equipment, square terrace with edge, rotary motor, support, actuating mechanism and angular transducer, be connected with the support on rotary motor's the output shaft, the upper and lower both sides of support are installed respectively and are used for the drive projection equipment synchronous movement's actuating mechanism, projection equipment install respectively in actuating mechanism is last, the upper and lower bilateral symmetry of support is provided with two sets of square terrace with edge, install on the support angular transducer.

Furthermore, the rotary motor is fixed on a wall body or an external fixing plate through a fixing frame.

Furthermore, the square frustum pyramid is composed of acrylic plates, holographic projection films are attached to the acrylic plates, and the lower bottom surface and the side edges of the square frustum pyramid form an angle of 45 degrees.

Furthermore, the support comprises a T-shaped rod connected to the output shaft of the rotary motor and cross-shaped cross rods fixed at two ends of the T-shaped rod, the cross-shaped cross rods are of a cavity structure, and strip-shaped openings are formed in opposite side walls of the two sets of cross-shaped cross rods.

Furthermore, the driving mechanism comprises a lead screw, a driven bevel gear, a transmission bevel gear, a cover body, a motor and a movable block, the lead screw is respectively installed inside four rod bodies of a cross-shaped cross rod, one end of the lead screw, which is close to the lead screw, penetrates through the side wall of the middle of the T-shaped rod, the other end of the lead screw is rotatably connected with the side wall of an internal cavity of the T-shaped rod, one end of the lead screw, which is close to the lead screw, is connected with the driven bevel gear, four groups of the driven bevel gears are meshed with one transmission bevel gear, the cover body is fixed above the middle of the cross-shaped cross rod, the motor used for driving the transmission bevel gear to rotate is installed inside the cover body, the lead screw of each group is in threaded connection with the movable block, one end of the movable block penetrates through.

Furthermore, the distances between the four groups of projection equipment on the same upper and lower sides and the intersection point in the middle of the cross-shaped cross rod are equal.

Furthermore, the projection device, the rotating motor, the driving mechanism and the tilt sensor are electrically connected with an external host respectively.

The utility model has the advantages that: the utility model discloses 4 projection equipment are installed respectively at upper and lower both ends, play the content of the 4 faces that will form images through host computer remote control, show on projecting the cubic terrace with edges in the middle of, and 2 cubic terrace with edges can present different pictures from top to bottom, bring abundant content for spectator. The projection equipment is arranged on the driving mechanism, and the driving mechanism controls the projection equipment to synchronously move at equal intervals, so that the imaging in the square frustum pyramid is moved up and down, and the moving up and down of the imaging can show a more dynamic picture. The rotating motor can display pictures of different angles for the objects at the same position by rotating the whole device. The inclination angle sensor can obtain the rotation information of the device and transmit the information back to the host computer, thereby achieving the purpose of adjusting the picture.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the drive mechanism of the present invention;

fig. 3 is a front view of the driving mechanism of the present invention.

The corresponding part names for the various reference numbers in the figures are:

the method comprises the following steps of 1-projection equipment, 2-square prism table, 3-rotary motor, 4-bracket, 5-driving mechanism, 6-tilt angle sensor, 401-T-shaped rod, 402-cross-shaped cross rod, 4021-strip-shaped opening, 501-lead screw, 502-driven bevel gear, 503-transmission bevel gear, 504-cover body, 505-motor and 506-movable block.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an imaging-shift holographic projection apparatus includes: projection equipment 1, square terrace with edge 2, rotating motor 3, support 4, actuating mechanism 5 and angular transducer 6, be connected with support 4 on rotating motor 3's the output shaft, actuating mechanism 5 that is used for driving 1 synchronous motion of projection equipment is installed respectively to the upper and lower both sides of support 4, projection equipment 1 is installed respectively on actuating mechanism 5, the upper and lower bilateral symmetry of support 4 is provided with two sets of square terrace with edge 2, wherein square terrace with edge 2 is the positive square terrace with one side square constitution by four sides trapezoidal and one side square, 2 bottoms of two square terrace with edge link to each other, fix the center at the device, install angular transducer 6 on the support 4, wherein angular transducer 6 can obtain the device rotation information, be used for adjusting the gesture of formation of image when rotating.

Further, the rotating motor 3 is fixed on a wall or an external fixing plate through a fixing frame to realize the fixation of the device.

Furthermore, the square frustum pyramid 2 is composed of acrylic plates, holographic projection films are attached to the acrylic plates, and the lower bottom surface and the side edges of the square frustum pyramid form an angle of 45 degrees.

Referring to fig. 1-3, the bracket 4 includes a T-shaped rod 401 connected to an output shaft of the rotary motor 3 and cross-shaped cross rods 402 fixed to both ends of the T-shaped rod 401, the cross-shaped cross rods 402 have a hollow structure, and strip-shaped openings 4021 are formed in opposite side walls of the two sets of cross-shaped cross rods 402.

Referring to fig. 2 and 3, the driving mechanism 5 includes a screw 501, driven bevel gears 502, transmission bevel gears 503, a cover 504, a motor 505 and a movable block 506, the screw 501 is respectively installed inside four rods of the cross-shaped cross rod 402, one end of the screw 501 close to the screw passes through the side wall of the middle part of the T-shaped cross rod 401, the other end of the screw 501 is rotatably connected with the side wall of the cavity inside the T-shaped cross rod 401, the driven bevel gears 502 are connected to one ends of the screw 501 close to each other, the transmission bevel gears 503 are engaged above the four groups of driven bevel gears 502, the cover 504 is fixed above the middle part of the cross-shaped cross rod 402, the motor 505 for driving the transmission bevel gears 503 to rotate is installed inside the cover 504, the movable blocks 506 are connected to each group of the screw 501 through threads, one end of the movable block 506 passes through the strip-shaped opening; the motor 505 rotates to drive the transmission bevel gears 503 to rotate, the transmission bevel gears 503 rotate to synchronously drive the four groups of driven bevel gears 502 to rotate, the driven bevel gears 502 rotate to respectively drive the screw rods 501 to rotate, and the screw rods 501 drive the projection device 1 to synchronously move at equal intervals through the movable blocks 506.

Further, the distances from the four groups of projection devices 1 on the same upper and lower sides to the intersection point in the middle of the cross-shaped cross rod 402 are all equal.

Further, the projection device 1, the rotating motor 3, the driving mechanism 5 and the tilt sensor 6 are respectively electrically connected with an external host; when in use, the device can be remotely controlled by an external host.

The working principle is as follows:

the utility model discloses a holographic projection arrangement that formation of image can move, the projection source video that will obtain is projected by 8 projection equipment 1 synchronization, through square terrace with edge 2, forms images on square terrace with edge 2; when the device is used, the projection equipment 1 on the upper bracket and the lower bracket is driven by the driving mechanism 5 to synchronously and equidistantly move, so that the images in the two square frustum prisms 2 move up and down on the central axis of the frustum prisms, and the position change of the images and the interaction between the images are realized; and can further change into the image position by rotating the entire apparatus by the rotation motor 3; the tilt sensor 6 can sense the rotation information of the device, and the imaging attitude is adjusted by using the rotation information, so that the imaging is still kept in a vertical state when the whole device rotates.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A holographic projection device with movable imaging, characterized in that, comprising: a projection device (1), a square prism (2), a rotary motor (3), a bracket (4), a drive mechanism (5) and an inclination sensor (6), a bracket (4) is connected to the output shaft of the rotary motor (3), and the upper and lower sides of the bracket (4) are respectively installed with a drive mechanism ( 5), the projection device (1) is respectively installed on the drive mechanism (5), the upper and lower sides of the bracket (4) are symmetrically provided with two groups of square prisms (2), the bracket (4) The inclination sensor (6) is installed thereon.

2 . The holographic projection device with movable imaging according to claim 1 , wherein the rotating motor ( 3 ) is fixed on a wall or an external fixing plate through a fixing frame. 3 .

3. A holographic projection device with movable imaging according to claim 1, characterized in that, the square prism (2) is composed of an acrylic plate, and a holographic projection film is attached to the outside of the acrylic plate. The bottom and side edges are at 45 degrees.

4. The holographic projection device with movable imaging according to claim 1, wherein the bracket (4) comprises a T-bar (401) connected to the output shaft of the rotary motor (3) and a fixed The cross-shaped cross rods (402) at both ends of the T-shaped rod (401), the interior of the cross-shaped cross rods (402) is a cavity structure, and the opposite side walls of the two sets of the cross-shaped cross rods (402) are provided with There are strip openings (4021).

5 . The movable imaging holographic projection device according to claim 4 , wherein the driving mechanism ( 5 ) comprises a lead screw ( 501 ), a driven bevel gear ( 502 ), and a transmission bevel gear ( 503 ). 6 . , the cover (504), the motor (505) and the movable block (506), the lead screws (501) are respectively installed inside the four rod bodies of the cross-shaped cross bar (402), and the lead screws (501) are close to each other. One end penetrates the middle side wall of the T-shaped rod (401), the other end of the lead screw (501) is rotatably connected to the side wall of the inner cavity of the T-shaped rod (401), and the lead screws (501) are close to each other A driven bevel gear (502) is connected to one end of each of the four groups of the driven bevel gears (502), a transmission bevel gear (503) is meshed above the four groups of the driven bevel gears (502), and a middle part of the cross-shaped cross bar (402) is fixed above the A cover body (504), a motor (505) for driving the transmission bevel gear (503) to rotate is installed inside the cover body (504), and a movable block is threadedly connected to each group of the lead screws (501) (506), one end of the movable block (506) passes through the bar-shaped opening (4021), and the projection device (1) is fixed on the movable block (506).

6. The holographic projection device with movable imaging according to claim 5, characterized in that the distances between the four groups of the projection devices (1) on the same side of the upper and lower sides and the intersection point in the middle of the cross-shaped cross bar (402) are all equal. .

7. The holographic projection device with movable imaging according to any one of claims 1-6, wherein the projection device (1), the rotary motor (3), the driving mechanism (5) and the inclination sensor ( 6) Electrical connection with external host respectively.