One-billion-pixel swing type oblique photogrammetry camera

Abstract

The utility model discloses a hundred-million-pixel swing-type oblique photogrammetry camera, which belongs to the field of unmanned aerial vehicle aerial photogrammetry cameras and comprises an equipment mounting rack, a mounting frame is fixedly mounted at the upper end of the equipment mounting rack, a rotating shaft is rotatably mounted in the middle of the equipment mounting rack, and the rotating shaft is mounted in the mounting frame. A semi-gear is fixedly mounted at the upper end of the camera; an inclination control assembly is fixedly mounted at the lower end in the mounting frame; a limiting hole is formed in the equipment mounting frame; the camera is mounted in the limiting hole in a rotary connection manner; according to the unmanned aerial vehicle aerial photography device, unmanned aerial vehicle aerial photography can be achieved by arranging the camera capable of swinging stably, pictures shot by the camera are directly imaged without synthetic processing, the shooting and imaging cost of the camera is reduced, and the accuracy of the shot pictures is improved.

Description

Technical Field

[0001] The utility model relates to the field of unmanned aerial photography cameras, and more specifically to a 100 million pixel swing-type tilt photogrammetry camera. Background Art

[0002] With the development and widespread application of UAV technology, the use of UAVs equipped with digital cameras for aerial photogrammetry has become a powerful supplement to traditional aerial photogrammetry methods, forming a new development direction for UAV digital low-altitude remote sensing. In recent years, oblique aerial photogrammetry technology has developed rapidly and has been widely used in the field of urban real-scene 3D modeling.

[0003] China Patent Authorization Announcement No.: CN208075839U, provides a 100 million pixel swing-type oblique photogrammetry camera, this patent includes an equipment mounting frame and a camera, the camera is installed on the equipment mounting frame, there are two cameras, the two cameras work together to capture high-pixel, high-definition images with a wider image frame, which is conducive to subsequent three-dimensional modeling data processing, the equipment mounting frame is also equipped with a flight control system, a square block and a swing-powered digital servo, using a differential GPS positioning system, can record more accurate position information at the moment of film imaging, compared with a rotorcraft equipped with a single camera or a rotorcraft equipped with other non-swinging imaging dual cameras, its imaging range is wider, and the efficiency of oblique photogrammetry is higher, thereby reducing the operating cost, using a simple and stable camera system structure and a lightweight bracket, the camera is easy to disassemble and assemble.

[0004] The above-mentioned equipment mounting frame is equipped with two swingable cameras. The two cameras shoot pictures at the same time, which increases the use cost of the drone aerial photography camera. In addition, the merging of the pictures taken by the two cameras at the same time has high requirements for the synthesis equipment, which further increases the cost of camera shooting and imaging. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a 100-megapixel swinging oblique photogrammetry camera, which can realize drone aerial photography by setting up a camera that can swing stably. The pictures taken by the camera are directly imaged without the need for synthetic processing, thereby reducing the cost of camera imaging and improving the accuracy of the captured pictures.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A 100-megapixel swing-type oblique photogrammetry camera comprises an equipment mounting frame, a mounting frame is fixedly mounted on the upper end of the equipment mounting frame, a rotating shaft is rotatably mounted in the middle of the equipment mounting frame, a camera is fixedly mounted on the outer side of the rotating shaft, a half gear is fixedly mounted on the upper end of the camera, and a tilt control component is fixedly mounted on the lower end of the mounting frame.

[0010] Furthermore, a limiting hole is provided inside the equipment mounting frame, and the camera is installed in the limiting hole by a rotational connection. Limiting springs are fixedly installed at both ends of the inner side of the limiting hole. The limiting springs are located on both sides of the camera, and the limiting springs are fixedly connected to the camera.

[0011] Furthermore, the tilt control assembly includes a limit cylinder, an electric push rod and a rack. The two limit cylinders are installed at both ends of the inner side of the installation frame by a fixed connection method. The rack is installed inside the limit cylinder by a movable insertion method. The electric push rod is installed on the right side of the right limit cylinder by a fixed embedding method. An output shaft is provided on the left side of the electric push rod, and the output shaft is fixedly connected to the rack.

[0012] Furthermore, the rack is located above the half gear, and the rack is meshingly connected with the half gear.

[0013] Furthermore, a flight control system is fixedly installed on the left upper end of the installation frame, a GPS positioning module is fixedly installed on the middle upper end of the installation frame, and a swing power digital servo is fixedly installed on the right upper end of the installation frame. The swing power digital servo is electrically connected to the electric push rod.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) This solution can realize drone aerial photography by setting up a camera that can swing stably. The images taken by the camera are directly imaged without the need for synthesis processing, which reduces the cost of camera imaging and improves the accuracy of the captured images.

[0017] (2) The camera is fixed in the limit hole by a limit spring to improve the stability of the camera.

[0018] (3) Starting the electric push rod can drive the output shaft and the rack to move left and right, and the rack slides left and right in the limit tube, which can synchronously drive the half gear and the camera to swing left and right, thereby controlling the camera's shooting angle to tilt and capture more pictures.

[0019] (4) The output end of the swing power digital servo is connected to the electric push rod. The swing power digital servo controls the rack translation by starting the electric push rod, so that the camera can rotate in the expected direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the external structure of the installation frame in the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the installation frame in the utility model;

[0022] Figure 3 It is a schematic diagram of the tilted state structure of the camera in the present utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Equipment mounting frame; 101. Limiting hole; 2. Mounting frame; 3. Swing power digital servo; 4. GPS positioning module; 5. Flight control system; 6. Rotating shaft; 7. Camera; 8. Half gear; 9. Limiting cylinder; 10. Electric push rod; 11. Rack; 12. Limiting spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-3A 100 million pixel swing oblique photogrammetry camera includes an equipment mounting frame 1, a mounting frame 2 is fixedly mounted on the upper end of the equipment mounting frame 1, a rotating shaft 6 is rotatably mounted in the middle of the equipment mounting frame 1, a camera 7 is fixedly mounted on the outer side of the rotating shaft 6, a half gear 8 is fixedly mounted on the upper end of the camera 7, and a tilt control component is fixedly mounted on the lower end of the mounting frame 2. The equipment mounting frame 1 is fixed under the drone, and the drone takes off, driving the equipment mounting frame 1 and the camera 7 at the bottom to take off synchronously. The camera 7 can shoot the picture at the bottom of the drone, and the tilt control component can control the tilt and swing of the camera 7 to shoot a wider range of pictures.

[0030] A limiting hole 101 is arranged inside the equipment mounting frame 1, and the camera 7 is installed in the limiting hole 101 by a rotating connection. Limiting springs 12 are fixedly installed at both ends of the inner side of the limiting hole 101. The limiting springs 12 are located on both sides of the camera 7, and the limiting springs 12 are fixedly connected to the camera 7. When in use, the camera 7 is fixed in the limiting hole 101 by the limiting springs 12 to improve the stability of the camera 7.

[0031] The tilt control assembly includes a limit cylinder 9, an electric push rod 10 and a rack 11. The two limit cylinders 9 are installed at both ends of the inner side of the mounting frame 2 by a fixed connection method. The rack 11 is installed inside the limit cylinder 9 by a movable insertion method. The electric push rod 10 is installed on the right side of the right limit cylinder 9 by a fixed embedding method. An output shaft is provided on the left side of the electric push rod 10, and the output shaft is fixedly connected to the rack 11. When in use, starting the electric push rod 10 can drive the output shaft and the rack 11 to move left and right, and the rack 11 slides left and right in the limit cylinder 9.

[0032] The rack 11 is located above the half gear 8, and the rack 11 is meshed with the half gear 8. When in use, the rack 11 moves left and right to synchronously drive the half gear 8 and the camera 7 to swing left and right, thereby controlling the shooting angle of the camera 7 to tilt and capture more pictures.

[0033] A flight control system 5 is fixedly installed on the left side of the upper end of the installation frame 2, a GPS positioning module 4 is fixedly installed on the middle part of the upper end of the installation frame 2, and a swing power digital servo 3 is fixedly installed on the right side of the upper end of the installation frame 2. The swing power digital servo 3 is electrically connected to the electric push rod 10. When in use, the output end of the swing power digital servo 3 is connected to the electric push rod 10, and the swing power digital servo 3 controls the translation of the rack 11 by starting the electric push rod 10, so that the camera 7 can rotate in the expected direction.

[0034] The working principle of the utility model is as follows: first, the equipment mounting frame 1 is fixed under the drone, and the drone takes off, driving the equipment mounting frame 1 and the camera 7 at the bottom thereof to take off synchronously, and the camera 7 can shoot the picture at the bottom of the drone, and the output end of the swing power digital servo 3 is connected to the electric push rod 10, and the swing power digital servo 3 controls the translation of the rack 11 by starting the electric push rod 10. Starting the electric push rod 10 can drive the output shaft and the rack 11 to move left and right, and the rack 11 slides left and right in the limit tube 9, which can synchronously drive the half gear 8 and the camera 7 to swing left and right, thereby controlling the shooting angle of the camera 7 to tilt, and shooting a wider range of pictures. Limit springs 12 are installed on both sides of the camera 7 to reinforce the camera 7, so that the shooting picture is clearer and the picture quality is improved.

[0035] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A 100-megapixel oscillating oblique photogrammetric camera, comprising a device mounting frame (1), characterized in that: A mounting frame (2) is fixedly mounted on the upper end of the equipment mounting frame (1); a rotating shaft (6) is rotatably mounted in the middle of the equipment mounting frame (1); a camera (7) is fixedly mounted on the outer side of the rotating shaft (6); a half gear (8) is fixedly mounted on the upper end of the camera (7); and a tilt control component is fixedly mounted on the lower end of the mounting frame (2).

2. The 100-megapixel oscillating oblique photogrammetry camera according to claim 1, characterized in that: A limiting hole (101) is arranged inside the equipment mounting frame (1), and the camera (7) is installed in the limiting hole (101) by means of a rotational connection. Limiting springs (12) are fixedly installed at both ends of the inner side of the limiting hole (101), and the limiting springs (12) are located on both sides of the camera (7), and the limiting springs (12) are fixedly connected to the camera (7).

3. The 100-megapixel oscillating oblique photogrammetric camera according to claim 1, characterized in that: The tilt control assembly comprises a limit cylinder (9), an electric push rod (10) and a rack (11); the two limit cylinders (9) are mounted at both ends of the inner side of the mounting frame (2) by means of a fixed connection; the rack (11) is mounted inside the limit cylinder (9) by means of a movable insertion; the electric push rod (10) is mounted on the right side of the right limit cylinder (9) by means of a fixed embedding; an output shaft is arranged on the left side of the electric push rod (10); and the output shaft is fixedly connected to the rack (11).

4. The 100-megapixel oscillating oblique photogrammetric camera according to claim 3, characterized in that: The rack (11) is located above the half gear (8), and the rack (11) is meshingly connected with the half gear (8).

5. The 100 million pixel swing-type oblique photogrammetry camera according to claim 1, characterized in that: A flight control system (5) is fixedly installed on the left side of the upper end of the installation frame (2), and a GPS positioning module (4) is fixedly installed in the middle of the upper end of the installation frame (2).

6. The 100-megapixel oscillating oblique photogrammetric camera according to claim 5, characterized in that: A swing power digital steering gear (3) is fixedly installed on the right side of the upper end of the installation frame (2), and the swing power digital steering gear (3) is electrically connected to the electric push rod (10).

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