CN217836052U - Airborne aerial photography instrument capable of being converted from oblique photography into large-area array orthographic photography - Google Patents
Airborne aerial photography instrument capable of being converted from oblique photography into large-area array orthographic photography Download PDFInfo
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- CN217836052U CN217836052U CN202222092227.6U CN202222092227U CN217836052U CN 217836052 U CN217836052 U CN 217836052U CN 202222092227 U CN202222092227 U CN 202222092227U CN 217836052 U CN217836052 U CN 217836052U
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Abstract
The utility model provides a can trun into big face battle array orthographic photographic machine of carrying aerial photograph appearance to follow oblique photography, which comprises a mounting bas, fixed camera and a plurality of adjustable camera are installed to the lower extreme of mount pad, the camera lens direction of fixed camera is perpendicular down, adjustable camera is at the even interval arrangement of circumference of fixed camera, every be provided with between adjustable camera and the mount pad and be used for adjusting single adjustable camera lens direction to perpendicular down or the angle adjustment mechanism that inclines down. All adjust adjustable camera to the camera lens slope state down when using at ordinary times, when needs are shot perpendicularly, with all from the oblique photography angle to perpendicular orthographic angle of adjustable camera, this thing has the camera of a plurality of perpendicular shootings, the scope of increase perpendicular shootings need not to set up higher overlapping, reduces the work load of post processing to make the aerial photography appearance change into large area array orthographic photography function, thereby promoted the practicality of aerial photography appearance structure.
Description
Technical Field
The utility model relates to an aerial photography field especially relates to a can trun into the photographic machine of carrying aerial photograph appearance of big area array orthographic aerial from oblique photography.
Background
The navigation aircraft can realize high-altitude shooting by carrying an aerial camera, so that high-altitude information collection which is difficult to finish by people is finished. The apparatus for taking aerial photo is composed of mirror box, cassette, stand and manipulator. It is divided into military reconnaissance aerial photography instrument and mapping aerial photography instrument according to their purposes.
Chinese patent CN210761344U discloses a high-precision oblique photography aerial camera, which has the scheme: comprises a shell, an inclined shooting unit and a camera main body unit; the inclined camera shooting unit comprises 1 positive camera arranged in the middle and 4 inclined cameras uniformly arranged on the periphery of the positive camera, and the positive camera and the inclined cameras are respectively connected with the camera main body; the tilt imaging unit and the camera body unit are provided in the housing. However, the aerial camera needs to collect image materials from different directions such as vertical direction and inclination when shooting, only 1 positive camera image can be used when the scheme needs to carry out independent orthographic shooting, other four inclined cameras cannot play a role, the shooting range is small, higher overlapping needs to be set, the workload of post-processing is increased, and the images of other cameras cannot be used, thereby wasting the performance of the cameras.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can trun into the photographic machine of carrying aerial photograph of machine of big area array orthographic projection from oblique photography, its camera can shoot and switch between perpendicular shooting at the slope.
In order to solve the technical problem, the utility model provides a technical scheme does:
the airborne aerial photography instrument capable of being converted from oblique photography to large-area array orthographic photography comprises a mounting seat, wherein a fixed camera and a plurality of adjustable cameras are mounted at the lower end of the mounting seat, the lens direction of the fixed camera is vertically downward, the adjustable cameras are uniformly arranged in the circumferential direction of the fixed camera at intervals, and an angle adjusting mechanism used for adjusting the lens direction of a single adjustable camera to be downward vertically or downward obliquely is arranged between each adjustable camera and the mounting seat.
Among the above-mentioned scheme, all adjust adjustable camera to the camera lens slope state down when using at ordinary times, when needs are shot perpendicularly, with all from the oblique photography angle to perpendicular orthographic angle of adjustable camera, this matter has the camera of a plurality of perpendicular shootings, the scope of increase perpendicular shootings need not to set up higher overlapping, reduces the work load of post processing to make the aerial photography appearance change into large area array orthographic photography function, thereby promoted the practicality of aerial photography appearance structure. Wherein the fixed camera always keeps vertical shooting, so that the original shooting effect of the aerial camera is kept unchanged.
Preferably, the adjusting mechanism comprises a connecting frame arranged in the circumferential direction of the adjustable camera, a ratchet wheel is fixedly arranged on the connecting frame, a connecting seat is arranged at the lower end of the mounting seat, the ratchet wheel is rotatably connected with the connecting seat, a pawl for blocking the ratchet wheel to rotate in a single direction is arranged on the connecting seat, the ratchet wheel is arranged on the side of the adjustable camera, and the rotation direction of the adjustable camera from the vertical downward direction to the inclined downward direction of the lens is the same as the rotation direction of the pawl for blocking the ratchet wheel.
Preferably, the ratchet wheel is provided with two ratchets, when the pawl is clamped at the upper ratchet position, the direction of the adjustable camera lens is vertically downward, and when the pawl is clamped at the lower ratchet position, the direction of the adjustable camera lens is inclined downward.
Preferably, the ratchet wheel is provided with a plug-in type positioning pin with the axis parallel to the wheel center of the ratchet wheel, and the connecting seat is clamped with two positioning holes of the two positioning pins at two positions of the two ratchets corresponding to the pawls.
Preferably, when all the adjustable cameras are located at the position where the lens is inclined downwards, the inclination angles of the adjustable cameras are the same, and four adjustable cameras are arranged around the axis core of the fixed camera in an annular array.
Preferably, the lower end of the mounting seat is provided with a case, the fixed camera and the adjustable cameras are arranged in the case, the case right below the fixed camera and the adjustable cameras is provided with a light through port, and when the adjustable cameras are located at inclined positions, the lenses of the adjustable cameras face the light through ports below the adjacent adjustable cameras.
Preferably, the light-passing opening below the adjustable camera is in an isosceles trapezoid shape, when the lens of the adjustable camera faces the light-passing opening below the adjacent adjustable camera, the edge of the light-passing opening at one side close to the lens of the adjustable camera is the upper bottom of the trapezoid, and the edge of the light-passing opening at one side far away from the lens of the adjustable camera is the lower bottom of the trapezoid.
Preferably, both sides of the upper end of the mounting seat are hollowed to form a gripping position or a mounting position.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a vertical perspective of the adjustable camera;
FIG. 3 is a schematic view of the vertical image capturing area of the adjustable camera;
FIG. 4 is an enlarged view of portion A of FIG. 3;
description of reference numerals: 10. a mounting seat; 11. a gripper position; 20. fixing a camera; 30. an adjustable camera; 40. an adjustment mechanism; 41. a connecting frame; 42. a ratchet wheel; 43. a connecting seat; 44. a pawl; 45. positioning pins; 50. a case; 51. a light-through port; 421. a ratchet.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "bottom", "outer wall", "front and back", etc. are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An airborne aerial photography instrument capable of being converted from oblique photography to large-area array orthographic photography comprises a mounting base 10, wherein a fixed camera 20 and a plurality of adjustable cameras 30 are mounted at the lower end of the mounting base 10, the lens direction of the fixed camera 20 is vertically downward, the adjustable cameras 30 are uniformly arranged at intervals in the circumferential direction of the fixed camera 20, and an angle adjusting mechanism 40 used for adjusting the lens direction of a single adjustable camera 30 to be vertically downward or obliquely downward is arranged between each adjustable camera 30 and the mounting base 10.
Among the above-mentioned scheme, all adjust adjustable camera 30 to the camera lens slope state down during the use at ordinary times, when needs are shot perpendicularly, with adjustable camera 30 all from the oblique photography angle to perpendicular orthographic angle, this matter has the camera of a plurality of perpendicular shootings, the scope of increase perpendicular shootings need not to set up higher overlapping, reduces the work load of post processing to make the aerial photography appearance change into large area array orthographic photography function, thereby promoted the practicality of aerial photography appearance structure. The fixed camera 20 always keeps vertical shooting, so that the original shooting effect of the aerial camera is kept unchanged.
Preferably, the adjusting mechanism 40 includes a connecting frame 41 disposed in the circumferential direction of the adjustable camera 30, a ratchet wheel 42 is fixedly disposed on the connecting frame 41, a connecting seat 43 is disposed at the lower end of the mounting seat 10, the ratchet wheel 42 is rotatably connected with the connecting seat 43, a pawl 44 for unidirectionally blocking the rotation of the ratchet wheel 42 is disposed on the connecting seat 43, the ratchet wheel 42 is disposed at the side of the adjustable camera 30, and the rotation direction of the adjustable camera 30 from vertical downward to inclined downward of the lens is the same as the rotation direction of the pawl 44 blocking the ratchet wheel 42. Because the ratchet wheel 42 is arranged at the side of the adjustable camera 30, when the adjustable camera 30 is vertically arranged, the gravity center of the adjustable camera 30 cannot be positioned on the same vertical line with the wheel center of the ratchet wheel 42, at the moment, gravity can drive the adjustable camera 30 to rotate around the wheel center of the ratchet wheel 42, the pawl 44 is arranged to block the rotation, so that the adjustable camera 30 is fixed at a certain position, when the adjustable camera 30 needs to be rotated, the pawl 44 can be pulled away to be separated from the ratchet wheel 42, so that the adjustable camera 30 can rotate to an inclined state under the action of gravity, and then the pawl 44 falls to block other positions to fix the ratchet wheel 42 again.
Preferably, the ratchet wheel 42 is provided with two ratchet teeth 421, when the pawl 44 is engaged with the upper ratchet tooth 421, the lens direction of the adjustable camera 30 is vertically downward, and when the pawl 44 is engaged with the lower ratchet tooth 421, the lens direction of the adjustable camera 30 is inclined downward. Since the adjustable camera 30 only needs two postures, the two postures can be fixed by correspondingly arranging the two ratchets 421.
Preferably, the ratchet wheel 42 is provided with a plug-in type positioning pin 45 with an axis parallel to the wheel center, and two positioning holes corresponding to the positioning pin 45 are arranged at two positions where the corresponding pawls 44 on the connecting seat 43 are clamped on the two ratchet teeth 421. Through locating pin 45 respectively with two locating holes constitution grafting cooperation, further fix a position adjustable camera 30 like this, prevent that it from rocking, promote the formation of image effect.
Preferably, all the adjustable cameras 30 are inclined at the same angle when the lens is inclined downwards, and four adjustable cameras 30 are arranged in an annular array around the axis of the fixed camera 20. Because the adjustable cameras 30 are arranged in the annular array, the four adjustable cameras 30 face four directions when inclined, and the fixed camera 20 facing downwards vertically can shoot in five directions, so that the shooting range is improved.
Preferably, a housing 50 is provided at a lower end of the mounting base 10, the fixed camera 20 and the plurality of adjustable cameras 30 are provided in the housing 50, a light-passing opening 51 is provided in the housing 50 directly below the fixed camera 20 and the plurality of adjustable cameras 30, and when the adjustable cameras 30 are located at an inclined position, a lens of the adjustable camera 30 faces the light-passing opening 51 below the adjacent adjustable camera 30. The shooting of individual camera is realized through the light passing port 51, and because the adjustable video camera 30 needs to rotate, a single light passing port 51 can not meet the requirements of the adjustable video camera 30, so that the light can be fed by the light passing port 51 on the side after the adjustable video camera 30 rotates, other light passing ports 51 do not need to be arranged, and the light feeding can be realized only by the original light passing port 51.
Preferably, the light-passing opening 51 below the adjustable camera 30 is in the shape of an isosceles trapezoid, and when the lens of the adjustable camera 30 faces the light-passing opening 51 below the adjacent adjustable camera 30, the edge of the light-passing opening 51 on the side close to the lens of the adjustable camera 30 is the upper bottom of the trapezoid, and the edge of the light-passing opening 51 on the side far away from the lens of the adjustable camera 30 is the lower bottom of the trapezoid. When the adjustable camera 30 is tilted, the cross section of the lens light-entering area on the horizontal plane is a trapezoid, which conforms to the shape of the light-passing opening 51.
Preferably, both sides of the upper end of the mounting seat 10 are hollowed to form a gripping position 11 or a mounting position. The hollow-out type arrangement does not damage the original shape of the mounting seat 10, does not have a protruding part, and is convenient to mount and place.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present disclosure.
Claims (8)
1. An airborne aerial camera capable of converting from oblique photography to large-area array orthographic photography, characterized in that: including mount pad (10), fixed camera (20) and a plurality of adjustable camera (30) are installed to the lower extreme of mount pad (10), the camera lens direction of fixed camera (20) is perpendicularly down, adjustable camera (30) are at the even interval arrangement of circumference of fixed camera (20), every be provided with between adjustable camera (30) and mount pad (10) and be used for adjusting single adjustable camera (30) camera lens direction to perpendicularly down or slope angle adjustment mechanism (40) down.
2. The apparatus of claim 1, wherein the aerial camera is configured to convert from oblique photography to large area array orthographic photography: adjustment mechanism (40) is including setting up link (41) in adjustable camera (30) circumference, fixed ratchet (42) that are provided with on link (41), the lower extreme of mount pad (10) is provided with connecting seat (43), ratchet (42) rotate with connecting seat (43) and are connected, be provided with one-way ratchet (42) pivoted pawl (44) that hinders on connecting seat (43), ratchet (42) set up the side in adjustable camera (30), adjustable camera (30) are followed perpendicular rotation direction down to the camera lens slope and are hindered ratchet (42) with pawl (44) rotation direction the same down.
3. The apparatus of claim 2, wherein the aerial camera is configured to convert from oblique photography to large area array orthographic photography: the ratchet wheel (42) is provided with two ratchets (421), when the pawl (44) is clamped at the position of the ratchet (421) positioned above, the lens direction of the adjustable camera (30) is vertical downwards, and when the pawl (44) is clamped at the position of the ratchet (421) positioned below, the lens direction of the adjustable camera (30) is inclined downwards.
4. The airborne aerial camera capable of converting from oblique photography to large area array orthographic photography of claim 3, wherein: the ratchet wheel (42) is provided with a plug-in type positioning pin (45) with the axis parallel to the wheel center of the ratchet wheel, and two positioning holes corresponding to the positioning pin (45) are formed in two positions of the connecting seat (43), corresponding to the pawl (44), and clamped on the two ratchets (421).
5. The aerial photography instrument of claim 1 or 2 or 3 or 4, wherein: when all the adjustable cameras (30) are located at positions with lenses inclined downwards, the inclination angles are the same, and four adjustable cameras (30) are arranged around the axis core of the fixed camera (20) in an annular array.
6. The apparatus of claim 5, wherein the aerial camera is configured to convert from oblique photography to large area array orthographic photography: the lower extreme of mount pad (10) is provided with machine box (50), fixed camera (20) and a plurality of adjustable camera (30) set up in machine box (50), logical light mouth (51) have been seted up on machine box (50) under fixed camera (20) and a plurality of adjustable camera (30), when adjustable camera (30) are located the position of inclining, the lens of adjustable camera (30) are towards logical light mouth (51) of adjacent adjustable camera (30) below.
7. The airborne aerial camera capable of converting from oblique photography to large area array orthographic photography of claim 6, wherein: the light-through opening (51) below the adjustable camera (30) is in an isosceles trapezoid shape, when the lens of the adjustable camera (30) faces the light-through opening (51) below the adjacent adjustable camera (30), the edge of the light-through opening (51) close to one side of the lens of the adjustable camera (30) is the upper bottom of the trapezoid, and the edge of the light-through opening (51) far away from one side of the lens of the adjustable camera (30) is the lower bottom of the trapezoid.
8. An airborne aerial camera capable of converting from oblique photography to large area array orthographic photography according to claim 1 or 2 or 3 or 4, wherein: the two sides of the upper end of the mounting seat (10) are hollowed to form a gripper position (11) or a mounting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222092227.6U CN217836052U (en) | 2022-08-10 | 2022-08-10 | Airborne aerial photography instrument capable of being converted from oblique photography into large-area array orthographic photography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222092227.6U CN217836052U (en) | 2022-08-10 | 2022-08-10 | Airborne aerial photography instrument capable of being converted from oblique photography into large-area array orthographic photography |
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| CN217836052U true CN217836052U (en) | 2022-11-18 |
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| CN202222092227.6U Active CN217836052U (en) | 2022-08-10 | 2022-08-10 | Airborne aerial photography instrument capable of being converted from oblique photography into large-area array orthographic photography |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758135A (en) * | 2023-08-15 | 2023-09-15 | 吉林高分遥感应用研究院有限公司 | Method and system for calculating ground projection area by unmanned aerial vehicle oblique photography measurement photo |
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2022
- 2022-08-10 CN CN202222092227.6U patent/CN217836052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758135A (en) * | 2023-08-15 | 2023-09-15 | 吉林高分遥感应用研究院有限公司 | Method and system for calculating ground projection area by unmanned aerial vehicle oblique photography measurement photo |
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