CN219799983U

CN219799983U - Holographic projection device

Info

Publication number: CN219799983U
Application number: CN202321201687.6U
Authority: CN
Inventors: 汤金东
Original assignee: Wingtech Communication Co Ltd
Current assignee: Wingtech Communication Co Ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-10-03
Anticipated expiration: 2033-05-15

Abstract

The utility model relates to a holographic projection technical field especially relates to a holographic projection device, the device includes the box, projection membrane and sets up the multiunit imaging unit in the box, projection membrane sets up in the opening part of box, and cover the opening of box, every group imaging unit includes the projecting apparatus and shakes the mirror, the projecting apparatus rotationally sets up in the bottom of box, a plurality of shakes the mirror circumference interval rotationally set up on the inner wall of box, and shake mirror and the relative setting of projecting apparatus, shake the mirror and be used for reflecting off the projection membrane with the light reflection that corresponding projecting apparatus was penetrated, with the top formation of box all information projection. Through setting up projecting apparatus and galvanometer in the box, the opening part of projection membrane cover box for holographic projection device becomes integral type box projection device, has both reduced the holistic volume of projection device, has simplified projection device's structure again.

Description

Holographic projection device

Technical Field

The present disclosure relates to the field of holographic projection technology, and in particular, to a holographic projection device.

Background

The holographic projection device can realize naked eye 3D effect due to the fact that the holographic projection device displays products, and is frequently used in places such as large-scale exhibitions. Most of the projection lenses of the conventional holographic projection device are fixed and externally arranged, structural support is needed around the lenses, and the supporting structure blocks the vision of a viewer, so that the holographic projection device cannot realize 360-degree circular viewing. The holographic projection device capable of being taken in and out of the box body also uses a mechanical lifting structure, is complex in mechanism and large in driving noise, and when the box body is stored, lenses fall off dust easily, so that the projection effect is poor when the box body is used again.

Disclosure of Invention

In order to solve the technical problems, the present disclosure provides a holographic projection device with a simple structure and capable of improving imaging effect.

The utility model provides a holographic projection arrangement, including box, projection membrane and set up in multiunit imaging unit in the box, the projection membrane set up in the opening part of box, and cover the opening of box, every group imaging unit includes projecting apparatus and galvanometer, the projecting apparatus rotationally set up in the bottom of box, a plurality of the galvanometer circumference interval rotationally set up in on the inner wall of box, just the galvanometer with the projecting apparatus sets up relatively, the galvanometer is used for with corresponding the light reflection that the projecting apparatus penetrated goes out the projection membrane, in order to be in the top of box is full to be of the projection.

Optionally, the projecting apparatus pass through the support with the bottom of box is connected, the support includes two extension boards that the symmetry set up, and one of them arc spout has been seted up on the extension board, the projecting apparatus set up two between the extension board, and with two the extension board is articulated, the support still includes adjusting screw, adjusting screw pass arc spout and with projecting apparatus spiro union.

Optionally, the galvanometer is installed through the base on the inner wall of box, the base is kept away from one side of box is connected with the base plate, the galvanometer with the base plate rotates to be connected.

Optionally, the base has the cavity, be provided with motor and first gear in the cavity, the output shaft of motor with first gear connection, the galvanometer with the junction of base plate is provided with the second gear, first gear with the second gear engagement.

Optionally, the galvanometer is installed through the support on the inner wall of box, the inside motor that is provided with of support, one side of galvanometer is connected with the pivot, the output shaft of motor with pivot coaxial coupling.

Optionally, the imaging unit further includes a fan, and the position of the fan corresponding to the projector is set on the inner wall of the box.

Optionally, the quantity of projecting apparatus is four, every two adjacent projecting apparatus all be right angle set up in the central point of box bottom puts the department, and every projecting apparatus all towards a side of box sets up.

Optionally, the box further comprises a glass cover, and the glass cover is connected to the side of the box body facing the opening in a sealing way.

Optionally, inert gas is filled in the glass cover.

Optionally, four screw holes have been seted up to the bottom symmetry of box, four all be connected with the threaded rod in the screw hole, the bottom of threaded rod is connected with the supporting leg dish.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the holographic projection device that this disclosed embodiment provided through setting up multiunit imaging unit in the box, the projection membrane sets up in the opening part of box, thereby integrated box holographic projection device has been formed, both reduced the holistic volume of projection device, and simplified projection device's structure, through setting up the mirror that shakes of the position department pivoted of corresponding projecting apparatus on the box inner wall, make the light that shakes that the corresponding projecting apparatus of reflection was given off to the mirror on to the projection membrane, thereby realized adjusting projected angle and focus, the inconvenient problem of projecting apparatus regulation has been solved in setting up of mirror that shakes simultaneously, and the light that shakes the mirror reflection is passed through projection membrane direct imaging, one side that the box was kept away from to the projection membrane does not shelter from, thereby do not have sheltered from to the viewer, 360 omnidirectional viewing has been realized, the experience of viewer has been promoted.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a holographic projection device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a case according to an embodiment of the present disclosure;

fig. 3 is a cross-sectional view of a case according to an embodiment of the present disclosure.

Wherein, 1, the box body; 2. a projection film; 3. a projector; 4. vibrating mirror; 5. a bracket; 501. a support plate; 5011. an arc chute; 502. an adjusting screw; 6. a base; 7. a substrate; 8. a fan; 9. a glass cover; 10. a threaded rod; 11. and supporting the foot plate.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Referring to fig. 1, the present embodiment provides a holographic projection device, including a case 1, a projection film 2, and a plurality of groups of imaging units disposed in the case 1, the projection film 2 is disposed at an opening of the case 1 and covers the opening of the case 1, each group of imaging units includes a projector 3 and a galvanometer 4, the projector 3 is rotatably disposed at a bottom of the case 1, a plurality of galvanometers 4 are rotatably disposed on an inner wall of the case 1 at circumferential intervals, and the galvanometers 4 are disposed opposite to the projector 3, and the galvanometers 4 are used for reflecting light emitted by the corresponding projector 3 out of the projection film 2 so as to form an all-information projection above the case 1.

The projector 3 is rotatably arranged at the bottom of the box body 1 and at the center of the box body 1, so that projection imaging can be changed by adjusting the angle of the projector 3, the vibrating mirror 4 is arranged on the inner wall of the box body 1 corresponding to the projector 3, light rays emitted by the projector 3 can be reflected by the vibrating mirror 4 through adjusting, and the light rays reflected by the vibrating mirrors 4 are converged to form holographic projection. If the vibrating mirror 4 is not arranged, the projector 3 needs to be arranged at the inner wall of the box body 1 or at the edge of the bottom of the box body 1, so that the light rays emitted by the projectors 3 are converged and imaged, but the volume of the box body 1 is increased and the projector 3 is inconvenient to adjust. That is, through setting up the mirror 4 that shakes, not only be convenient for adjust projected angle and focus, can also reduce the volume of box 1, it is more convenient to use, projection membrane 2 sets up the opening part at box 1, and cover the opening of box 1, the light that shakes mirror 4 reflection is passed through projection membrane 2 and is imaged, do not shelter from the viewer, 360 omnidirectional viewing has been realized, the viewing experience of viewer has been promoted, the cover of projection membrane 2 simultaneously makes box 1 become airtight space, the emergence of the condition of the interior ash that falls of box 1 has been reduced, thereby avoid the influence to the use of projector 3. By arranging the projector 3 and the vibrating mirror 4 in the box body 1, the projection film 2 covers the opening of the box body 1, so that the holographic projection device is an integrated box-type projection device, the whole volume of the projection device is reduced, and the structure of the projection device is simplified.

Further, the projector 3 is connected with the bottom of the box 1 through the bracket 5, the bracket 5 comprises two supporting plates 501 and adjusting screws 502 which are symmetrically arranged, an arc chute 5011 is formed in one supporting plate 501, the projector 3 is arranged between the two supporting plates 501 and hinged with the two supporting plates 501, the bracket 5 further comprises adjusting screws 502, and the adjusting screws 502 penetrate through the arc chute 5011 and are in threaded connection with the projector 3. Specifically, the bottom of the box 1 is provided with a support 5, the support 5 comprises two support plates 501 which are arranged for ageing, an accommodating space is reserved between the two support plates 501, the projector 3 is arranged in the accommodating space and hinged with the two opposite support plates 501, an arc-shaped sliding chute 5011 is formed in one support plate 501, an adjusting screw 502 can penetrate through the arc-shaped sliding chute 5011 and is in threaded connection with the projector 3, the adjusting screw 502 can slide along the arc-shaped sliding chute 5011, the projector 3 moves along the track of the arc-shaped sliding chute 5011, and therefore projection angle and focal length are adjusted, and imaging is clearer.

In some embodiments, the galvanometer 4 is mounted on the inner wall of the case 1 by a base 6, and a base plate 7 is connected to the side of the base 6 away from the case 1, and the galvanometer 4 is rotatably connected to the base plate 7. Specifically, be connected with base 6 on the inner wall of box 1, base plate 7 is kept away from one side of box 1 at base 6 through the fix with screw, and mirror 4 one side is provided with the pivot shakes, and base plate 7 is crooked towards deviating from box 1 one side, is formed with and is suitable for pivot pivoted space to drive mirror 4 rotation shakes, pivoted mirror 4 is used for reflecting the light that projector 3 launched, thereby changes projection angle and focus, makes the formation of image more clear, promotes the viewing experience of viewer.

Further, the base 6 is provided with a cavity, a motor and a first gear are arranged in the cavity, an output shaft of the motor is connected with the first gear, a second gear is arranged at the joint of the vibrating mirror 4 and the base plate 7, and the first gear is meshed with the second gear. Specifically, the inside motor and the first gear of being provided with of base 6, the motor is used for driving first gear rotation, and the cover is equipped with the second gear in the pivot, and first gear and second gear engagement, first gear rotate in order to drive the second gear rotation for the pivot rotates, thereby realizes the rotation of galvanometer 4.

In other embodiments, the vibrating mirror 4 is mounted on the inner wall of the case 1 through a support, a motor is arranged inside the support, one side of the vibrating mirror 4 is connected with a rotating shaft, and an output shaft of the motor is connected with the rotating shaft. Specifically, the support passes through the fix with screw on the inner wall of box 1, and the support has the cavity, is provided with the motor in the cavity, and galvanometer 4 one side is connected with the pivot, and the pivot extends to in the cavity with the output shaft of motor, and the motor starts the rotation of drive pivot to realize the rotation of galvanometer 4.

In order to secure the imaging effect of the projector 3, the imaging unit further includes a fan 8, and the position of the fan 8 corresponding to the projector 3 is disposed on the inner wall of the casing 1. Specifically, the fan 8 provided by the utility model is an electrostatic ion fan, and the position of the fan 8 corresponding to the projector 3 is arranged on the inner wall of the box body 1, so that the fan 8 can be started to purge dust on the projector 3, and meanwhile, the device in the box body 1 can be cooled and static electricity can be removed.

The number of the projectors 3 is four, every two adjacent projectors 3 are arranged at the center position of the bottom of the box body 1 at right angles, and each projector 3 is arranged towards one side face of the box body 1. Specifically, the number of the projectors 3 is four, the number of the vibrating mirrors 4, the supporting frames 5 and the fans 8 is four, and of course, the fans 8 can be two, the two fans 8 are respectively arranged on two side walls of the opposite box body 1, each two adjacent projectors 3 form a right angle, the butt joint positions of the four projectors 3 are coincident with the center of the bottom of the box body 1, and the lens of each projector 3 is arranged towards one side face of the box body 1, namely towards the vibrating mirror 4, so that light rays emitted by the projectors 3 can be reflected and emitted by the vibrating mirrors 4.

In other embodiments, the holographic projection device further comprises a glass cover 9, and the glass cover 9 is hermetically connected to the side of the case 1 facing the opening. Specifically, the glass cover 9 covers the box body 1, and the joint of the glass cover 9 and the box body 1 is sealed by sealant, so that the dust falling on the projection film 2 is avoided and the imaging effect is influenced by the arrangement of the glass cover 9.

In a further embodiment, the glass cover 9 is filled with inert gas, and the inert gas is filled in the glass cover 9, so that the light reflected by the vibrating mirror 4 can be imaged in the glass cover 9 after passing through the projection film 2, and the imaging effect is clearer.

In order to ensure the stability of the holographic projection device, four threaded holes are symmetrically formed in the bottom of the box body 1, threaded rods 10 are connected in the four threaded holes, and supporting foot plates 11 are connected to the bottom of the threaded rods 10. Specifically, screw holes are formed in four vertex angles of the bottom of the box body 1, the threaded rod 10 penetrates through the screw holes, a supporting foot plate 11 for supporting the holographic projection device is connected to the bottom of the threaded rod 10, and a user can adjust the length of the threaded rod 10 extending out of the box body 1 according to actual use requirements, so that the height and the stability of the holographic projection device are adjusted.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a holographic projection device, its characterized in that, including box (1), projection membrane (2) and set up in multiunit imaging unit in box (1), projection membrane (2) set up in the opening part of box (1), and cover the opening part of box (1), every group imaging unit include projecting apparatus (3) and galvanometer (4), projecting apparatus (3) rotationally set up in the bottom of box (1), a plurality of galvanometer (4) circumference interval rotationally set up in on the inner wall of box (1), just galvanometer (4) with projecting apparatus (3) set up relatively, galvanometer (4) are used for with corresponding light reflection that projecting apparatus (3) took out projecting membrane (2) in order to be in the top of box (1) is formed full projection.

2. Holographic projection device according to claim 1, characterized in that the projector (3) is connected with the bottom of the box (1) through a bracket (5), the bracket (5) comprises two support plates (501) symmetrically arranged, and one of the support plates (501) is provided with an arc chute (5011), the projector (3) is arranged between the two support plates (501) and hinged with the two support plates (501), the bracket (5) further comprises an adjusting screw (502), and the adjusting screw (502) passes through the arc chute (5011) and is in threaded connection with the projector (3).

3. Holographic projection device according to claim 1, wherein the vibrating mirror (4) is mounted on the inner wall of the case (1) through a base (6), a base plate (7) is connected to a side of the base (6) away from the case (1), and the vibrating mirror (4) is rotatably connected to the base plate (7).

4. Holographic projection device according to claim 3, wherein the base (6) has a cavity, wherein a motor and a first gear are arranged in the cavity, an output shaft of the motor is connected with the first gear, a second gear is arranged at a connection of the vibrating mirror (4) and the base plate (7), and the first gear is meshed with the second gear.

5. Holographic projection device according to claim 1, characterized in that the vibrating mirror (4) is mounted on the inner wall of the box (1) through a support, a motor is arranged in the support, one side of the vibrating mirror (4) is connected with a rotating shaft, and an output shaft of the motor is coaxially connected with the rotating shaft.

6. Holographic projection device according to claim 1, wherein the imaging unit further comprises a fan (8), the fan (8) being arranged on the inner wall of the housing (1) in correspondence of the position of the projector (3).

7. Holographic projection device according to claim 1, wherein the number of projectors (3) is four, each two adjacent projectors (3) are arranged at right angles in the central position of the bottom of the case (1), and each projector (3) is arranged towards one side of the case (1).

8. Holographic projection device according to claim 1, further comprising a glass cover (9), said glass cover (9) being sealingly connected to the side of the housing (1) facing the opening.

9. Holographic projection device according to claim 8, wherein the glass envelope (9) is filled with an inert gas.

10. Holographic projection device according to claim 1, characterized in that the bottom of the box (1) is symmetrically provided with four threaded holes, the four threaded holes are all connected with threaded rods (10), and the bottom of the threaded rods (10) is connected with a supporting foot plate (11).