CN216520541U

CN216520541U - Four camera panorama shooting cloud platform supports and four camera panorama shooting equipment

Info

Publication number: CN216520541U
Application number: CN202123149445.0U
Authority: CN
Inventors: 宋宇莹; 韩叙; 万家沐; 席萌; 刘茜; 王燕平
Original assignee: BEIJING PLANETARIUM
Current assignee: BEIJING PLANETARIUM
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-13
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a four-camera panoramic shooting holder support and four-camera panoramic shooting equipment, wherein the four-camera panoramic shooting holder support comprises a top plate and a stand column which are arranged up and down and detachably connected, four mounting blocks are uniformly distributed at the bottom of the top plate at intervals in the circumferential direction, and the bottom surface of each mounting block is an inclined mounting surface. All tilt installation face all upwards inclines the setting along the same circumference direction of roof, and every tilt installation face is the same with the contained angle homogeneous phase of horizontal plane, and every tilt installation face all is used for installing a detachable camera fast-assembled board. The utility model has simple structure, can be quickly disassembled and conveniently carried, can quickly install professional cameras, is more beneficial to improving the later-stage splicing efficiency and is also beneficial to obtaining higher-quality panoramic images.

Description

Four camera panorama shooting cloud platform supports and four camera panorama shooting equipment

Technical Field

The utility model relates to the technical field of panoramic shooting, in particular to a four-camera panoramic shooting holder support and four-camera panoramic shooting equipment.

Background

At present, a shooting scheme of astronomical popular science real shot material content suitable for a high-resolution digital dome camera planetarium and panoramic VR cannot simultaneously meet the following three conditions:

(1) the visual angle of the picture spliced by the panoramic video needs to be guaranteed to be 360 degrees multiplied by 360 degrees (namely, according to the visual angle of the spherical surface, the visual angle of the picture is 360 degrees in a horizontal circle and 360 degrees in a vertical circle), and the visual angle of the picture spliced by the fisheye format video needs to be guaranteed to be 360 degrees multiplied by 180 degrees (namely, according to the visual angle of the spherical surface, the visual angle of the picture is 360 degrees in a horizontal circle and 180 degrees in a vertical circle) or wider;

(2) the resolution of a fisheye video picture is not less than 4096 multiplied by 4096, the resolution of a panoramic picture is not less than 8192 multiplied by 4096, and the picture details are clear;

(3) shooting night starry sky requires high light sensitivity and strong capability of shooting equipment and better noise control.

The first prior art is as follows: the panorama shooting equipment of selling on the market adopts a plurality of video cameras to shoot simultaneously more, and the later stage concatenation is accomplished. The scheme can meet the condition that (1) a panoramic view angle is covered; the resolution of the picture can reach 4096 multiplied by 4096 and the picture details are clear when the condition (2) is met; the condition (3) cannot be met, and in a dark light shooting environment, the aperture is small, the light sensitivity is low, the noise control effect is poor, and the standard of a professional camera cannot be met. Because professional cameras are relatively large, a holder support specially designed for the professional cameras does not exist in the prior art, and the professional cameras cannot be adopted for shooting.

The second prior art is: the single lens reflex and the fisheye lens are used for shooting, the fisheye format video is directly shot, and the later splicing process does not exist. The condition (1) can be basically satisfied to cover a fisheye format video view angle, but cannot cover a wider view angle; the condition (2) cannot be met, the video shooting resolution of a single camera cannot reach 4096 multiplied by 4096, the distortion of the edge of a fisheye picture is serious, the dispersion is serious, and the picture definition is poor, so that the picture detail in the watching area of the digital dome camera is insufficient; the method can meet the condition (3), a large-aperture lens is selected, a single lens reflex with high sensing capability is used, and good noise control can be achieved in a dark night environment.

Therefore, both the first and second prior arts cannot satisfy the above three conditions at the same time, and cannot satisfy the shooting requirements of high-resolution digital dome elephant hall and panorama VR astronomical science popularization real shooting material content.

Therefore, the inventor provides a four-camera panoramic shooting holder bracket and four-camera panoramic shooting equipment by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a four-camera panoramic shooting holder support and four-camera panoramic shooting equipment, which are simple in structure, can be quickly disassembled and conveniently carried, can quickly install professional cameras, are more beneficial to improving later-stage splicing efficiency and obtaining higher-quality panoramic images.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a four-camera panoramic shooting pan-tilt support, which comprises a top plate and a stand column which are arranged up and down and detachably connected; four mounting blocks are uniformly distributed at intervals in the circumferential direction at the bottom of the top plate, and the bottom surface of each mounting block is an inclined mounting surface; all the inclined mounting surfaces are arranged in an upward inclined mode along the same circumferential direction of the top plate, included angles between each inclined mounting surface and the horizontal plane are the same, and each inclined mounting surface is used for mounting a detachable camera quick mounting plate.

In a preferred embodiment of the present invention, an included angle between the inclined installation surface and the horizontal plane is 10 to 20 °.

In a preferred embodiment of the utility model, the inclined mounting surface is angled at 15 ° to the horizontal.

In a preferred embodiment of the present invention, the top plate includes a cross-shaped plate body integrally formed by four sub-plate bodies, and the mounting blocks are integrally formed at the bottom of the corresponding sub-plate bodies; the slope installation face is the rectangle face, and the top surface of camera fast-assembling board is for the plane with rectangle face matched with, and the top surface of camera fast-assembling board can paste and lean on the slope installation face and be connected with the slope installation face through first fastener.

In a preferred embodiment of the utility model, the top of the upright has a mounting plate which can be placed against the underside of the top plate and connected to the top plate by means of a second fastening element.

In a preferred embodiment of the present invention, the top plate has a central hole at the center thereof, and the upright post has an axial hole penetrating the top surface thereof, the axial hole being capable of communicating with the central hole.

In a preferred embodiment of the present invention, a lateral hole is formed in a bottom sidewall of the pillar, and the lateral hole communicates with the axial hole.

In a preferred embodiment of the utility model, a tripod is detachably connected to the bottom end of the upright.

The present invention also provides a four-camera panorama photographing apparatus, comprising:

the four-camera panoramic shooting pan-tilt bracket is arranged on the base;

four camera quick-mounting plates;

the camera quick-mounting plates are matched with the cameras, and the cameras can be clamped on the corresponding camera quick-mounting plates; the length direction of the camera is perpendicular to the inclined installation surface, a fisheye lens is installed on the camera, the horizontal visual angle of the fisheye lens is larger than 90 degrees, and the vertical visual angle of the fisheye lens is larger than or equal to 180 degrees; the axis direction of the fisheye lens is parallel to the corresponding inclined mounting surface and is arranged obliquely upwards from the camera, and the axes of the fisheye lenses of two adjacent cameras are mutually vertical.

In a preferred embodiment of the present invention, the camera is a micro single camera.

According to the four-camera panoramic shooting holder bracket and the four-camera panoramic shooting equipment, a support frame structure is provided for mounting four professional cameras, and the four professional cameras can be mounted through the matching of the top plate and the stand column, so that the resolution, the high-sensitivity capability and the noise control capability of a picture can be ensured after the professional cameras are mounted by using the holder bracket; simultaneously, four installation pieces circumference on the roof are evenly arranged, and the bottom surface of installation piece is the slope installation face for can guarantee that four cameras homoenergetic shoots at least quarter panorama when installing four cameras, and the axis of the fisheye camera lens of installing on the camera can the certain angle of tilt up, and it is more to guarantee that four cameras are shot the picture and partly coincide at the sky top, more does benefit to later stage concatenation and concatenation effect. The whole cradle head support is simple in structure, and the top plate and the stand column of the cradle head support and the corresponding camera quick-mounting plate are detachably connected, so that quick assembly and disassembly can be realized, the cradle head support is more convenient to carry and use; after being installed with a matched professional camera and a fisheye lens, the device can be used for shooting and manufacturing astronomical popular real shooting programs suitable for the digital dome planetarium, and meets the requirements of manufacturing the astronomical popular real shooting programs suitable for the digital dome planetarium at present.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1: the utility model provides a three-dimensional view of a four-camera panoramic shooting pan-tilt support.

FIG. 2: the utility model provides a three-dimensional view of a four-camera panoramic shooting pan-tilt support and a camera quick-mounting plate after installation.

FIG. 3: the utility model provides an explosion diagram of the matching of a four-camera panoramic shooting pan-tilt bracket and a camera quick mounting plate.

FIG. 4: is a perspective view of the top plate provided by the present invention.

FIG. 5: a side view of the top plate provided for by the present invention.

FIG. 6: is a perspective view of the upright column provided by the utility model.

FIG. 7: the utility model provides a bottom view of a stand column.

FIG. 8: the utility model provides a half section of the matching of a top plate and an upright post.

The reference numbers illustrate:

1. a top plate; 11. a sub-board body; 12. mounting blocks; 121. an inclined mounting surface; 13. a second mounting hole; 14. a central bore; 15. a third mounting hole; 16. a first fastener; 17. a second fastener;

2. a column; 21. mounting a plate; 22. a support plate; 23. an axial bore; 24. a lateral aperture; 25. a screw hole;

3. a camera quick-mounting plate; 30. a camera long edge quick-mounting plate; 31. a first mounting hole.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

As shown in fig. 1 to 8, the present embodiment provides a four-camera panorama shooting pan-tilt support, including a top plate 1 and a column 2 which are vertically disposed and detachably connected, four mounting blocks 12 are uniformly distributed at a circumferential interval at the bottom of the top plate 1, and the bottom surface of each mounting block 12 is an inclined mounting surface 121. Each inclined mounting surface 121 is arranged in an upward inclined manner along the same circumferential direction of the top plate 1, the included angle between each inclined mounting surface 121 and the horizontal plane is the same, and each inclined mounting surface 121 is used for mounting a detachable camera quick-mounting plate 3.

The camera quick-mounting plate 3 is a corollary device of a camera, can play a role in protecting the camera and providing other external devices for the periphery of the camera, and has the structure of the existing structure. During the use, install camera fast-assembling board 3 on corresponding slope installation face 121, establish the camera card in this camera fast-assembling board 3 alright with the camera fixed, the camera still need install the fisheye camera lens during the installation to guarantee that the axis of the fisheye camera lens of installation back camera (also be the axis of the focal plane of camera) is on a parallel with this slope installation face 121, and the certain angle of tilt up (camera fast-assembling board 3 and camera also the same angle of tilt up), this inclination is the same with the contained angle of slope installation face 121 and horizontal plane. The installed camera may employ a professional camera, for example, a micro-single camera; the professional camera can achieve higher resolution, higher sensitivity and noise control, and a camera (such as sony a7s) with high resolution and high light-sensitive capability is selected, so that the whole panoramic shooting device formed by the pan-tilt bracket and the four cameras can meet the requirements that the resolution of a panoramic picture is not less than 8192 multiplied by 4096, the resolution of a converted fisheye image is not less than 4096 multiplied by 4096, the picture details are clearer, noise in a dark night environment is effectively controlled, and gorgeous starry sky is displayed.

In the whole holder support, the four mounting blocks 12 are uniformly arranged in the circumferential direction, so that at least one fourth of panorama can be shot by each camera after the four cameras are mounted, and the panoramic shooting is favorably realized. Four cameras can be mounted on the holder, so that the horizontal visual angle of a fisheye lens mounted by the cameras is larger than 90 degrees, and the vertical visual angle is larger than or equal to 180 degrees, so that panoramic shooting is realized and later-stage splicing is facilitated. Meanwhile, the bottom surface of the mounting block 12 in the embodiment is the inclined mounting surface 121, so that after the cameras are mounted, the axes of the fisheye lenses of the cameras are also inclined upwards by the same angle, so that the pictures shot by the four cameras are overlapped at the top of the sky, and the later splicing effect is ensured.

Therefore, the four-camera panoramic shooting pan-tilt support in the embodiment provides a support frame structure for mounting four professional cameras, and can be used for mounting the four professional cameras through the matching of the top plate 1 and the stand column 2, so that the resolution, the high light sensitivity capability and the noise control capability of a picture can be ensured after the professional cameras are mounted by using the pan-tilt support; simultaneously, four installation pieces 12 circumference on the roof 1 are evenly arranged, and the bottom surface of installation piece 12 is slope installation face 121 for can guarantee that four cameras homoenergetic shoots at least quarter panorama when installing four cameras, and the axis of the fisheye lens of installation can the certain angle of tilt up on the camera, and it is more to guarantee that four cameras are shot the picture and is partly coincide at the top of the sky, more does benefit to later stage concatenation and concatenation effect. The whole cradle head support is simple in structure, the top plate 1 and the stand column 2 of the cradle head support and the top plate 1 and the corresponding camera quick-mounting plate 3 of the cradle head support are detachably connected, so that quick assembly and disassembly can be realized, the carrying is more convenient, and the use is more convenient; after being installed with a matched professional camera and a fisheye lens, the device can be used for shooting and manufacturing astronomical popular real shooting programs suitable for the digital dome planetarium, and meets the requirements of manufacturing the astronomical popular real shooting programs suitable for the digital dome planetarium at present.

In a specific implementation manner, an included angle between the inclined mounting surface 121 and a horizontal plane (i.e., an included angle between an axis of the fisheye lens and the horizontal plane) cannot be too large or too small, and when the four cameras are mounted on the holder bracket, and the included angle is too small, overlapping areas of pictures taken by the four cameras on the zenith part are less; when the included angle is too large, the pictures taken by the four cameras lack too much at the bottom part. This contained angle preferred in this embodiment is 10 ~ 20, can guarantee that four cameras are taken the picture and can both reclose in the less picture of sky top edge part under the condition that can not lack too much in the bottom part guaranteeing the picture that takes behind the cloud platform support installation camera, more be favorable to the later stage concatenation.

Further preferably, the included angle is 15 degrees, which can ensure that the zenith part is overlapped more and the bottom part is missing less. Through measurement and calculation, the overlapping area of the splicing parts of multiple pictures generally needs to exceed 10% to ensure good splicing effect, when the included angle is 15 degrees, the overlapping area of multiple pictures can be ensured to meet splicing, panoramic pictures are not wasted as much as possible, and the visual range of the finally spliced panoramic picture reaches 360 degrees multiplied by 330 degrees (each camera inclines upwards by 15 degrees, a 15-degree area with the radius below cannot be shot, but a tripod support is needed below the panoramic shot, and the part of area is generally covered by logo, so that the panoramic picture is not influenced even if the panoramic picture is not shot).

Further, the shape of the top plate 1 may be determined as required, for example, in the present embodiment, in order to facilitate processing and reduce weight and facilitate carrying, as shown in fig. 4, the top plate 1 includes a cross-shaped plate body integrally formed by four sub-plate bodies 11, and the mounting block 12 is integrally formed at the bottom of the corresponding sub-plate body 11.

Wherein, the four sub-plate bodies 11 are generally rectangular plate bodies, and the outer side surfaces of the mounting blocks 12 are flush with the outer side surfaces of the sub-plate bodies 11 far away from the center of the top plate 1; the inclined mounting surface 121 is a rectangular surface, the top surface of the camera quick-mounting plate 3 is a plane matched with the rectangular surface (the plane and the rectangular surface have the same shape and size, and at the moment, after the camera is mounted, the axis direction of the fisheye lens of the camera is parallel to the length direction of the rectangular surface), and the top surface of the camera quick-mounting plate 3 can be attached to the inclined mounting surface 121 and is connected with the inclined mounting surface 121 through the first fastener 16. Specifically, the camera quick-mounting plate 3 is provided with corresponding first mounting holes 31, and the number of the first mounting holes 31 is determined according to the requirement; a corresponding second mounting hole 13 is formed in the top plate 1, and the second mounting hole 13 is formed in the sub-plate body 11 and penetrates through the top surface of the sub-plate body 11 and the inclined mounting surface 121; the first mounting hole 31 on the camera quick-mounting plate 3 is fixedly connected with the corresponding second mounting hole 13 on the top plate 1 through the first fastener 16 (such as a screw), so that the camera quick-mounting plate 3 is mounted on the inclined mounting surface 121, and the structural strength is high and the disassembly is convenient.

To facilitate the assembly and disassembly of the top plate 1 and the upright 2, as shown in fig. 6 and 8, the top of the upright 2 is provided with a mounting plate 21, and the mounting plate 21 can be abutted against the bottom surface of the top plate 1 and connected with the top plate 1 through a second fastener 17 (e.g., a screw). The mounting plate 21 is formed integrally with the upright 2, and the bottom of the upright 2 is further provided with a support plate 22 for supporting on a plane.

In practical application, as shown in fig. 4 and 6, the center of the top plate 1 is provided with a central hole 14, the upright post 2 is provided with an axial hole 23 penetrating through the top surface thereof, and the axial hole 23 can be communicated with the central hole 14. The axial hole 23 penetrates through the top surface of the mounting plate 21; when in use, other peripheral equipment for panoramic shooting, such as a panoramic sound microphone or a lighting lamp, can be placed in the central area of the top plate 1 according to requirements; when the microphone is placed, the lower part of the microphone can be inserted into the axial hole 23 through the central hole 14 and can be fixed; when the lighting lamp or other peripheral equipment is placed, the peripheral equipment is placed at the central hole 14, and the peripheral equipment can be fixed by forming a corresponding third mounting hole 15 on the top plate 1. Because the top central area of roof 1 is for shooing the blind area, the peripheral hardware of placing can not appear in the panorama picture, can reduce the later stage and get rid of the work of repairing the picture.

Lateral holes 24 are generally formed in the bottom side wall of the upright 2, and the lateral holes 24 are communicated with the axial holes 23. The space of the lateral hole 24 and the axial hole 23 can be used for collecting connecting lines among a plurality of cameras or other related connecting lines.

Further, a tripod may be detachably attached to the bottom end of the column 2 as needed. The bottom of the upright 2 is also provided with a corresponding threaded hole 25 (the threaded hole 25 is in particular made in the support plate 22), the top of the tripod being screwed to this threaded hole 25.

In summary, the four-camera panoramic shooting pan-tilt support in the embodiment is composed of a top plate 1 and a stand column 2, wherein the top plate 1 is used for fixing a camera and placing other peripheral equipment, the stand column 2 mainly plays a supporting role, the bottom of the stand column 2 can be connected with a tripod, and the axial hole 23 of the stand column 2 can be used for arranging and drawing related connecting wires; the whole holder bracket has a simple structure, can be quickly disassembled and assembled, is convenient to carry, is simple to assemble and disassemble a camera, and is easy to expand peripheral equipment for panoramic shooting such as a microphone; meanwhile, after the professional camera is installed on the holder support, panoramic shooting can be achieved, the view angle of a picture is wide, high resolution and strong high light sensing capability and noise point control can be achieved, and the holder support can be used for shooting and manufacturing astronomical popular real shooting programs suitable for a digital dome camera.

Further, this embodiment still provides a four camera panorama shooting equipment, including foretell four camera panorama shooting cloud platform supports, four camera fast-assembling boards 3 and four cameras. The camera quick-mounting plate 3 is matched with a camera, and the camera can be clamped on the corresponding camera quick-mounting plate 3. The length direction of the camera is perpendicular to the inclined mounting surface 121, a fisheye lens is mounted on the camera, the horizontal visual angle of the fisheye lens is larger than 90 degrees, and the vertical visual angle of the fisheye lens is larger than or equal to 180 degrees. The axis direction of the fisheye lens is parallel to the corresponding inclined mounting surface 121 and is arranged obliquely upwards from the cameras, and the axes of the fisheye lenses of two adjacent cameras are perpendicular to each other.

Specifically, evenly arrange four installation pieces 12 circumference to guarantee the axis mutually perpendicular of the fisheye lens of two adjacent cameras in four cameras, guarantee also that the contained angle is 90 between the axis of the fisheye lens of two adjacent cameras, injectd the horizontal visual angle and the vertical visual angle of fisheye lens simultaneously, make every camera all can shoot at least quarter's panorama, guaranteed panorama shooting, the picture visual angle is wider. The length directions of the cameras are arranged in the direction perpendicular to the inclined mounting surface 121 (the length direction of the camera quick-mounting plate 3 is also perpendicular to the inclined mounting surface 121), the whole camera shoots vertically, the shooting range of the camera at a vertical visual angle can be wider, and pictures shot by the four cameras can have more overlapping areas at the zenith part.

When the camera shoots perpendicularly, when the vertical visual angle of fisheye lens is just equal to 180 or exceeds 180 not too much, if the axis of fisheye lens is horizontal, the picture that four cameras shot is very few in the partial coincidence area of zenith, and post processing edge distortion correction also can lose the picture, so the zenith part is difficult to splice, even the picture effect of splicing by force is not good. In this embodiment, with the certain angle of upwards inclining of the axis of fisheye lens, can guarantee that the picture that four cameras were taken leaves abundant coincidence region in zenith region, when the perpendicular visual angle of fisheye lens just equals 180 or surpasss 180 when not too much, also can effectively guarantee that zenith region coincidence region is more, more does benefit to later stage concatenation and concatenation effect.

Moreover, when the cameras shoot vertically, if the horizontal visual angle of the fisheye lens is 90 degrees, pictures shot by the four cameras can only be spliced together in the horizontal direction, the overlapped area is small, and the edge distortion pictures cannot be effectively processed. In this embodiment, the horizontal viewing angle of the fisheye lens is greater than 90 ° (more preferably, the horizontal viewing angle is greater than 100 °), so that more overlapped regions can be ensured when the images shot by the four cameras are spliced in the horizontal direction, and the splicing effect is ensured.

In addition, for the camera quick-mounting board 3, the general camera quick-mounting board 3 includes six boards substantially in a rectangular board structure, and specifically includes two camera short-edge quick-mounting boards, two camera long-edge quick-mounting boards 30, a camera front quick-mounting board and a camera back quick-mounting board, which can be enclosed into a hexahedron frame structure. The camera itself is the cuboid structure, and this hexahedron support body structure can wrap up on six faces of camera, and the quick-mounting board of camera minor face, the long limit of camera quick-mounting board 30, the positive quick-mounting board of camera and the quick-mounting board of camera back paste respectively and lean on the short limit side, the long limit side, openly and the back at the camera, all have corresponding mounting hole on each quick-mounting board to the protection camera is convenient for be connected with other equipment.

In this embodiment, the camera quick-mounting board 3 may only include one camera long-edge quick-mounting board 30, as shown in fig. 3, the long-edge side portion of the camera is clamped on the outer rectangular board surface (the outer rectangular board surface is the board surface facing away from the upright 1) of the camera long-edge quick-mounting board 30, and the top surface of the camera long-edge quick-mounting board 30 is fixedly connected to the inclined mounting surface 121. In order to ensure the stability of the camera mounting, the camera quick-mounting plate 3 may be an L-shaped frame structure including a camera short-side quick-mounting plate and a camera long-side quick-mounting plate 30. Of course, the camera quick-mounting plate 3 may include six plates according to the requirement, and this embodiment is merely an example.

From this, whole panorama shooting equipment utilizes cloud platform support, can install four cameras on cloud platform support fast, shoots simultaneously through the camera of four specialties, can form the panoramic video through the later stage concatenation preparation with the content of shooing. Simultaneously, be connected between roof 1 and the stand 2 of equipment, between roof 1 and the camera fast-assembling board 3 and between camera fast-assembling board 3 and the camera can be dismantled, can realize dismantling fast, conveniently carry. The holder bracket can be used for installing a professional camera, so that the resolution ratio, high light sensitivity and noise control capability of a picture can be ensured. Simultaneously, when the device is arranged, the included angle between the axes of the fisheye lenses of two adjacent cameras is 90 degrees, each camera shoots vertically, the horizontal visual angle of the mounted fisheye lens is larger than 90 degrees, the vertical visual angle is larger than 180 degrees, and the axes of the fisheye lenses incline upwards for a certain angle; each fisheye lens only shoots a part of panorama, the distortion of the edge of the shot picture is relatively less, the pictures shot by the four cameras can have more overlapped areas at the zenith part and more overlapped areas in the horizontal direction, and the edge distortion part of the pictures can be abandoned during later splicing; not only can realize panorama shooting, the picture visual angle is wider, more does benefit to the later stage concatenation moreover, has guaranteed the concatenation effect, especially can be used for shooting the astronomical science popularization real shooting program that the preparation is applicable to digital spherical screen sky elephant hall.

The panoramic video shot by the panoramic shooting device can meet the following conditions: (1) the picture visual angle of the video after post-processing can reach 360 degrees multiplied by 330 degrees, and the video can be applied to digital dome elephant hall playing and VR equipment; (2) the resolution of the fisheye video picture is not less than 4096 multiplied by 4096, and the picture details are clear; (3) and moreover, a micro single device with high light-sensitive capability is selected, so that noise points in a dark night environment can be effectively controlled, and gorgeous starry sky can be displayed. And then can satisfy the shooting preparation of the astronomical science popularization real shooting program that is used for digital dome camera at present, and the program of making can be used for digital dome camera to broadcast.

The above are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.

Claims

1. A four-camera panoramic shooting pan-tilt support is characterized by comprising a top plate and a stand column which are arranged up and down and detachably connected;

four mounting blocks are uniformly distributed at the bottom of the top plate at intervals in the circumferential direction, and the bottom surface of each mounting block is an inclined mounting surface; each the slope installation face is followed the same circumference direction of roof all upwards inclines to set up, and every the contained angle of slope installation face and horizontal plane is all the same, every the slope installation face all is used for installing a detachable camera fast-assembling board.

2. The tripod head stand for panoramic photographing of four cameras according to claim 1,

the included angle between the inclined installation surface and the horizontal plane is 10-20 degrees.

3. The tripod head stand for panoramic photographing of four cameras according to claim 2,

the included angle between the inclined installation surface and the horizontal plane is 15 degrees.

4. The tripod head stand for panoramic photographing of four cameras according to claim 1,

the top plate comprises a cross-shaped plate body formed by integrating four sub-plate bodies, and the mounting blocks are integrated at the bottom of the corresponding sub-plate bodies;

the camera quick-mounting plate comprises a rectangular surface, a camera quick-mounting plate and a first fastener, wherein the top surface of the camera quick-mounting plate is a plane matched with the rectangular surface, and can be attached to the inclined mounting surface and connected with the inclined mounting surface through the first fastener.

5. The tripod head stand for panoramic photographing of four cameras according to claim 1,

the top of stand has the mounting panel, the mounting panel can paste and lean on the bottom surface of roof and through the second fastener with the roof is connected.

6. The tripod head stand for panoramic photographing of four cameras according to claim 1,

the center of the top plate is provided with a center hole, the stand column is internally provided with an axial hole penetrating through the top surface of the stand column, and the axial hole can be communicated with the center hole.

7. The tripod head stand for panoramic photographing of four cameras according to claim 6,

and a lateral hole is formed in the side wall of the bottom of the upright column and communicated with the axial hole.

8. The tripod head stand for panoramic photographing of four cameras according to claim 1,

the bottom end of the upright post is detachably connected with a tripod.

9. A four-camera panorama shooting device, comprising:

the four-camera panorama shooting pan-tilt stand of any one of claims 1-8;

four camera quick-mounting plates;

the camera quick-mounting plates are matched with the cameras, and the cameras can be clamped on the corresponding camera quick-mounting plates; the length direction of the camera is perpendicular to the inclined mounting surface, a fisheye lens is mounted on the camera, the horizontal visual angle of the fisheye lens is larger than 90 degrees, and the vertical visual angle of the fisheye lens is larger than or equal to 180 degrees; the axis direction of the fisheye lens is parallel to the corresponding inclined mounting surface and is arranged in an outward inclined mode from the cameras, and the axes of the fisheye lenses of two adjacent cameras are perpendicular to each other.

10. The four-camera panorama photographing apparatus of claim 9,

the camera is a micro single camera.