CN115108036A - Modular device for integrated combination of multiple aerial cameras of large unmanned aerial vehicle - Google Patents

Abstract

The invention discloses a modularized device for integrated combination of multiple aerial photographers of a large unmanned aerial vehicle, which comprises a laser radar scanner, an aerial camera, a hyperspectral imager, a miniSAR, a dual-light video pod and a positioning and attitude determination system, wherein the laser radar scanner, the aerial camera, the hyperspectral imager, the dual-light video pod and the positioning and attitude determination system are integrated and arranged in a shell, the shell is connected with a connecting base, the connecting base comprises a bottom plate, the upper surface of the bottom plate is connected with a movable plate through a damping mechanism, the shell is detachably connected with the movable plate through a clamping mechanism, the invention realizes quick installation and disassembly of the shell by arranging a damping mechanism, the damping mechanism comprises a movable plate and a bottom plate, the movable plate is connected with the shell through the clamping mechanism, the damping mechanism is arranged between the bottom plate and the movable plate, and realizes the damping function on the equipment through the damping mechanism, reduce the vibrations to equipment, also slowed down the high frequency vibrations that equipment during operation produced simultaneously.

Description

A modular device for the integration and combination of multiple aerial cameras for large unmanned aerial vehicles

technical field

The invention relates to the technical field of aerial cameras, in particular to a modular device used for the integrated combination of multiple aerial cameras of large unmanned aerial vehicles.

Background technique

Refers to the installation of aerial cameras on aircraft (airplanes, helicopters, unmanned aerial vehicles, etc.), according to the designed route, the photography of the earth's surface from the air to obtain surface images and terrain features. It is mainly used to make three-dimensional image models and measure digital maps of various scales. It is the first process of aerial photogrammetry.

Aerial photography can be divided into large-scale, medium-scale and small-scale aerial photography according to the flight altitude, the focal length of the aerial camera and the mapping scale. Its characteristics are: it can obtain high-resolution surface images, which is suitable for detailed research on the detected target; it has greater flexibility in time and space, and the flight time and area can be adjusted at any time according to needs; the flight speed is fast, A large amount of surface image information can be obtained quickly.

Compared with traditional mapping methods, aerial photogrammetry uses indoor precision measuring instruments to delineate terrain and interpret ground objects on aerial photographs, which can greatly reduce the amount of arduous field work; thereby reducing labor intensity, improving work efficiency and mapping quality , shorten the drawing cycle, reduce the production cost, and have the advantages of fast, accurate and economical. -Aerial photo data are also widely used in agriculture, forestry, geology, petroleum, water conservancy, urban planning, environmental protection, railways and highways, and military and other aspects.

The existing aerial camera has a variety of electrical components inside, resulting in a complex internal structure and inconvenience during maintenance. Therefore, a modular device for the integrated combination of various aerial cameras is proposed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a modular device for the integrated combination of multiple aerial cameras of a large-scale unmanned aerial vehicle, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a modular device for the integrated combination of a variety of aerial cameras for large-scale unmanned aerial vehicles, including lidar scanners, aerial cameras, hyperspectral imagers, and dual-light video cameras. The pod, the miniSAR and the positioning and attitude system, the lidar scanner, the aerial camera, the hyperspectral imager, the dual-light video pod and the positioning and attitude system are integrated and arranged inside a casing, and the casing is connected with a connection base The connecting base includes a bottom plate, the bottom plate is a rectangular plate, the upper surface of the bottom plate is connected with a movable plate through a shock absorbing mechanism, and the casing is detachably connected with the movable plate through a clamping mechanism.

Preferably, the damping mechanism includes a damping spring and a damper, the number of the damping springs is two, and the damping springs correspond to the dampers one-to-one, and the dampers and the dampers are in one-to-one correspondence. Two ends of the shock spring are respectively fixedly connected with the bottom plate and the movable plate.

Preferably, two ends of the upper surface of the bottom plate are respectively fixed with connecting sleeves, the connecting sleeves are arranged in parallel, and rotating rods are respectively provided on the inner surface of the connecting sleeves, and the two ends of the rotating rods are respectively rotated. One end of the connecting rod is respectively fixedly connected, the other end of the connecting rod is fixedly connected with a movable rod respectively, the lower surface of the movable plate is fixedly connected with a connecting plate, and the interior of the connecting plate is provided with a connecting groove, and the movable The rod is slidably arranged inside the connecting groove.

Preferably, the clamping mechanism includes a sliding groove, the number of the sliding groove is two, the two sliding grooves are located on the same straight line, the inner surface of the sliding groove is rotated with a rotating screw, and the rotating screw corresponds to The two ends of the threads located in the chute are arranged in opposite directions, one end of the rotating screw is fixedly connected with a rotating handle through the side wall of the chute, and the inner surfaces of the chute are respectively slidably provided with sliders, The outer surfaces of the sliders are respectively fixedly connected with clamping plates, and the casing is located between the two clamping plates.

Preferably, the slider includes a slider body, the rotating screws penetrate through the end surfaces of the slider body respectively, and the slider bodies are respectively screwed with the rotation screws, and the outer surface of the slider body is provided with There is a buffer groove, a buffer block is sleeved on the surface of the buffer groove, a spring is arranged between the buffer block and the corresponding buffer groove, and the clamping plates are respectively fixed on the outer surface of the buffer block. .

Preferably, the opposite side surfaces of the clamping plate are respectively provided with rectangular grooves, the inner surface of the rectangular groove is inclined, and the inner walls on both sides of the rectangular groove are respectively provided with limit bars, the rectangular groove is The inner surface of the groove is slidably provided with a rectangular plate, the outer surfaces of the two sides of the rectangular plate are respectively provided with strip-shaped grooves, the rectangular groove and the strip-shaped groove are slidably connected, and the outer surface of the rectangular plate is The top plates are respectively fixed and connected.

Compared with the prior art, the beneficial effects of the present invention are: a modular device for the integrated combination of a variety of aerial cameras of large-scale unmanned aerial vehicles, by setting the casing, the lidar scanner, aerial camera, hyperspectral The imager, the dual-light video pod and the positioning and attitude system are integrated inside the casing, which facilitates the installation and disassembly of the equipment, and also protects the electrical components. The bottom plate and the aircraft are fixedly connected, and the movable plate is connected to the outer shell through the clamping mechanism, so as to realize the rapid installation and disassembly of the outer shell. , reduce the vibration of the equipment, and also slow down the high-frequency vibration generated when the equipment is working.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of the present invention;

Fig. 2 is the top view structure schematic diagram of the bottom plate of the present invention;

Fig. 3 is the structural representation of the present invention;

4 is a schematic structural diagram of a clamping plate of the present invention;

FIG. 5 is a schematic diagram of the structure of the slider of the present invention.

In the picture: 1-base plate, 2-movable plate, 3-shock spring, 4-damper, 5-connecting sleeve, 6-rotating rod, 7-connecting rod, 8-moving rod, 9-connecting plate, 10 -Connecting groove, 11-chute, 12-rotating screw, 13-rotating handle, 14-clamping plate, 15-slider body, 16-buffer groove, 17-buffer block, 18-spring, 19-rectangular groove , 20-limit bar, 21-rectangular plate, 22-strip groove, 23-top plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-4, the present invention provides a technical solution: a modular device for the integrated combination of multiple aerial cameras of large-scale unmanned aerial vehicles, including lidar scanners, aerial cameras, hyperspectral imagers, The dual-optical video pod, miniSAR, and positioning and attitude determination system, the lidar scanner, aerial camera, hyperspectral imager, dual-optical video pod, and positioning and attitude determination system are integrated inside a housing, and the housing is rectangular. The equipment is arranged inside the casing to protect the equipment and facilitate the installation of the equipment. The casing is connected with a connection base, and the connection base includes a bottom plate 1, and the bottom plate 1 is a rectangular plate. As shown in FIG. 1 , the The outer side wall of the bottom plate 1 is fixedly connected with a plate for fixing, the number of the plate is two, and the two plates are arranged on both sides of the bottom plate 1, and both ends of each of the bottom plate 1 The end face is provided with connecting through holes, and the bottom plate 1 can be fixedly connected to the interior of the aircraft by fixing bolts. The upper surface of the bottom plate 1 is connected with a movable plate 2 through a shock absorbing mechanism. , the movable plate 2 is arranged in parallel with the bottom plate 1, and the casing is detachably connected to the movable plate 2 through a clamping mechanism, so that the damping mechanism between the movable plate 2 and the bottom plate 1 is used to reduce the flight of the aircraft At the same time, the high-frequency vibration of the internal setting of the casing will not be directly transmitted to the aircraft, so that the flight of the aircraft is more stable and safe.

Specifically, the damping mechanism includes a damping spring 3 and a damper 4, the number of the damping springs 3 is two, and the damping spring 3 corresponds to the damper 4 one-to-one, as shown in the figure 2, the damper 4 is located inside the damping spring 3, the damping spring 3 is used to realize the shock absorption of the equipment, and the damper 4 is used to prevent the movable plate 2 from shaking for a long time relative to the bottom plate 1 , both ends of the damper 4 and the shock-absorbing spring 3 are respectively fixedly connected to the bottom plate 1 and the movable plate 2 .

Specifically, the two ends of the upper surface of the bottom plate 1 are respectively fixed with connecting sleeves 5 . As shown in FIG. 2 , the connecting sleeves 5 are respectively elongated, and the connecting sleeves 5 are arranged in parallel. , the inner surface of the connecting sleeve 5 is respectively equipped with a rotating rod 6, and the outer peripheral surface of the rotating rod 6 is evenly fitted with the inner peripheral surface of the connecting sleeve 5, so that the rotating rod 6 rotates smoothly inside the connecting sleeve 5, The two ends of the rotating rod 6 are respectively fixedly connected with one end of the connecting rod 7, the connecting rod 7 is vertically arranged with the rotating rod 6, and the other end of the connecting rod 7 is fixedly connected with a movable rod 8 respectively, and the movable rod 8 is connected with the rotating rod. 6 arranged in parallel, the lower surface of the movable plate 2 is fixedly connected with a connecting plate 9, the connecting plate 9 is also elongated, and the length of the connecting plate 9 is the same as the length of the connecting sleeve 5, and the interior of the connecting plate 9 A connecting groove 10 is provided, and the movable rod 8 is slidably arranged in the interior of the connecting groove 10. As shown in FIG. 1, the connecting rod 6 is arranged in an inclined shape. The rotating rod 6 rotates inside the connecting sleeve 5, so that the connecting rod 7 drives the movable rod 8 to slide inside the connecting groove 10, so that one side of the movable plate 2 moves synchronously corresponding to the two ends of the connecting sleeve 5, thereby reducing the pressure. The shaking generated by the casing located on the movable panel 2 makes the aircraft not too much affected even if the vibration of the equipment is large.

Specifically, the clamping mechanism includes two sliding grooves 11 . The two sliding grooves 11 are located on the same straight line. The inner surface of the sliding grooves 11 is provided with a rotating screw. 12. The length direction of the rotating screw 12 is arranged in the same direction as the longitudinal extension direction of the chute 11, and the rotating screw 12 is arranged in the opposite direction corresponding to the two ends of the thread located in the chute 11, and one end of the rotating screw 12 penetrates A rotating handle 13 is fixedly connected to the side wall of the chute 11 . The rotating handle 13 is located outside the movable plate 2 . By rotating the rotating handle 13 , the rotating screw 12 can be driven to rotate inside the corresponding chute 11 . The inner surfaces of the sliders are respectively provided with sliders, which can slide inside the chute 11. The outer surfaces of the sliders are respectively fixed with clamping plates 14, and the casing is located between the two clamping plates. Therefore, the rotating handle 13 is rotated to drive the rotating screw 12 to rotate inside the corresponding chute 11, and the sliding block slides inside the chute 11 under the action of the screw thread, so that the casing is clamped by the clamping plate 14, and the casing is completed. Connection.

Specifically, the slider includes a slider body 15. As shown in the figure, the rotating screws 12 respectively penetrate through the end surfaces of the slider body 15, and the slider bodies 15 are respectively screwed with the rotating screw 12, as shown in the figure. As shown in FIG. 5 , the outer surface of the slider body 15 is provided with a buffer groove 16 , the slider body 15 has a cubic structure, the buffer block 17 is sleeved on the surface of the buffer groove 16 , and the inner peripheral surface of the buffer groove 16 is in the shape of a cube. A circular shape, a spring 18 is arranged between the buffer block 17 and the corresponding buffer groove 16 , the buffer block 17 also has a cubic structure, and the outer peripheral surfaces of the slider body 15 and the buffer block 17 are respectively connected to the corresponding chute The inner surface of 11 is evenly fitted, so that when the rotating screw 12 rotates, the slider body 15 will not rotate with the rotation of the rotating screw 12, so as to ensure that the slider body 15 can slide inside the chute 11 under the action of the thread fit. , and the buffer block 17 also does not rotate relative to the slider body 15. The clamping plates 14 are respectively fixed on the outer surface of the buffer block 17. After the clamping plate 14 clamps the casing, the rotating screw 12 continues to rotate. , so that the slider body 15 continues to move, and the spring 18 is compressed at this time, preventing the clamping plate 14 from pressing too much on the casing and damaging the casing.

Specifically, the opposite side surfaces of the clamping plate 14 are respectively provided with rectangular grooves 19. As shown in FIG. 4, the inner surface of the rectangular groove 19 is inclined. As shown in FIG. The bottom of the groove 19 is far away. As shown in FIG. 4 , the two inner walls of the rectangular groove 19 are respectively provided with limit bars 20 . The inner surface of the rectangular groove 19 is arranged parallel to the plane, the inner surface of the rectangular groove 19 is slidably provided with a rectangular plate 21, and the outer surfaces of the two sides of the rectangular plate 21 are respectively provided with strip-shaped grooves 22. The strip grooves 22 are slidably connected, so that the rectangular plate 21 slides inside the rectangular groove 19 under the action of the strip groove 22 and the limit bar 20 , and the outer surfaces of the rectangular plates 21 are respectively fixedly connected with a top plate 23 , when the device is in use, the top plate 23 is in contact with the outer shell, so that when the aircraft or the outer shell itself vibrates, so that the outer shell has a tendency to move upward, under the action of friction, the top plate 23 has a tendency to move upward, thereby The rectangular plate 21 slides upward under the action of the strip groove 222 and the rectangular groove 19. Since the interior of the rectangular groove 19 is inclined, the distance between the two top plates 23 is reduced, and the casing is further clamped to ensure that the Fixed stability.

Working principle: When the present invention is used, the damping spring 3 is used to realize the shock absorption of the equipment, and the damper 4 is used to prevent the movable plate 2 from shaking for a long time relative to the bottom plate 1. When the movable plate 2 vibrates relative to the bottom plate When moving, the rotating rod 6 rotates inside the connecting sleeve 5, thereby driving the movable rod 8 to slide inside the connecting groove 10 through the connecting rod 7, so that one side of the movable plate 2 corresponds to the two ends of the connecting sleeve 5 synchronously. Move, and then reduce the shaking of the shell located on the movable plate 2, so that even if the vibration of the equipment is large, the aircraft will not be affected too much. When installing, place the shell on the movable plate 2 corresponding to two clamps Between the plates 14, the rotating handle 13 is rotated to drive the rotating screw 12 to rotate inside the corresponding chute 11, and the sliding block slides inside the chute 11 under the action of thread cooperation, so that the housing is clamped by the clamping plate 14. , to complete the connection to the casing, when the rotating screw 12 rotates, the slider body 15 will not rotate with the rotation of the rotating screw 12, ensuring that the slider body 15 can slide inside the chute 11 under the action of the screw thread. The buffer block 17 also does not rotate relative to the slider body 15. The clamping plates 14 are fixedly connected to the outer surfaces of the buffer blocks 17 respectively. After the clamping plate 14 clamps the housing, the rotating screw 12 continues to rotate. The slider body 15 continues to move, and the spring 18 is compressed at this time, preventing the clamping plate 14 from exerting too much pressure on the casing and damaging the casing.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a modularization device that is used for multiple aerial photography appearance integrated combination of large-scale unmanned aerial vehicle, includes laser radar scanner, aerial photography camera, hyperspectral imager, two light video nacelle and location attitude determination system, its characterized in that: laser radar scanner, aerial camera, hyperspectral imager, miniSAR, two optical video nacelle and location attitude determination system integration set up inside a shell, the shell is connected with the connection base, the connection base includes bottom plate (1), bottom plate (1) is the rectangle plate, the upper surface of bottom plate (1) is connected with fly leaf (2) through damper, the shell pass through fixture with the connection can be dismantled in fly leaf (2).

2. The modular device of claim 1, wherein the modular device comprises: damper includes damping spring (3) and attenuator (4), the quantity of damping spring (3) is two, just damping spring (3) with attenuator (4) one-to-one, attenuator (4) and the both ends of damping spring (3) respectively with bottom plate (1) with fly leaf (2) fixed connection.

3. The modular device of claim 2, wherein the modular device comprises: the utility model discloses a bottom plate, including bottom plate (1), upper surface both ends department difference fixedly connected with adapter sleeve (5), adapter sleeve (5) parallel arrangement, the internal surface of adapter sleeve (5) rotates respectively and is equipped with dwang (6), the both ends difference fixedly connected with connecting rod (7)'s of dwang (6) one end, the other end difference fixedly connected with movable rod (8) of connecting rod (7), the lower fixed surface of fly leaf (2) is connected with connecting plate (9), the inside of connecting plate (9) is equipped with spread groove (10), movable rod (8) slide and set up the inside of spread groove (10).

4. The modular device of claim 3 for integrated combination of multiple aerial cameras of a large unmanned aerial vehicle, wherein: fixture includes spout (11), the quantity of spout (11) is two, two spout (11) are located same straight line, the internal surface rotation of spout (11) is equipped with rotation screw rod (12), and rotates screw rod (12) and correspond and be located both ends screw thread in spout (11) is revolved to reverse setting, the one end of rotating screw rod (12) is run through the lateral wall fixedly connected with turning handle (13) of spout (11), the internal surface of spout (11) slides respectively and is equipped with the slider, the surface difference fixedly connected with grip block (14) of slider, the shell is located two between the grip block.

5. The modular device of claim 4, wherein the modular device comprises: the slider includes slider main part (15), rotate screw rod (12) and run through respectively the terminal surface of slider main part (15), just slider main part (15) respectively with rotate screw rod (12) spiro union, the surface of slider main part (15) is equipped with dashpot (16), the surface cover of dashpot (16) is equipped with buffer block (17), buffer block (17) and corresponding be equipped with spring (18) between dashpot (16), grip block (14) fixed connection respectively on the surface of buffer block (17).

6. The modular device of claim 5, wherein the modular device comprises: the clamping plate is characterized in that rectangular grooves (19) are respectively formed in two opposite side surfaces of the clamping plate (14), the inner surfaces of the rectangular grooves (19) are inclined, limiting strips (20) are respectively arranged on the inner walls of two sides of each rectangular groove (19), rectangular plates (21) are slidably arranged on the inner surfaces of the rectangular grooves (19), strip-shaped grooves (22) are respectively formed in the outer surfaces of two sides of each rectangular plate (21), the rectangular grooves (19) are slidably connected with the strip-shaped grooves (22), and top plates (23) are respectively and fixedly connected with the outer surfaces of the rectangular plates (21).

Images