Airborne device of unmanned aerial vehicle-mounted multispectral camera

Abstract

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle-mounted multispectral camera airborne device, which comprises an unmanned aerial vehicle main body, brackets are fixedly mounted at positions, close to two sides, of the bottom of the unmanned aerial vehicle main body, a placement frame is arranged at the bottom of the unmanned aerial vehicle main body, and a multispectral camera main body is arranged in an inner cavity of the placement frame; a mounting assembly is arranged on the rear side of the multispectral camera body, and a cleaning assembly is arranged at the bottom of the placement frame; the mounting assembly comprises rectangular blocks which are fixedly mounted on the rear side, close to the two sides, of the placement frame and threaded rods which are jointly and rotationally connected to the rectangular blocks, and when the multispectral camera main body is mounted, under the cooperative use of the mounting assembly, when the threaded rods rotate, the threaded rods can be rotated, so that the multispectral camera main body can be mounted. The clamping plates can move towards the opposite sides through the threaded sleeves connected to the peripheries of the threaded rods in a threaded mode under limiting of the rectangular openings, then the multispectral camera body can be rapidly mounted or dismounted, the working intensity of workers is relieved, and the mounting or dismounting efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles, and in particular to an airborne device of an unmanned aerial vehicle (UAV)-mounted multispectral camera. Background Art

[0002] Unmanned aerial vehicle, abbreviated as "UAV" in English, is an unmanned aircraft controlled by radio remote control equipment and self-contained program control device, or operated completely or intermittently autonomously by an on-board computer. UAVs often perform tasks such as filming while flying.

[0003] When using drones to collect large-area images, the multispectral camera is installed on the drone by bolts. During the installation process, multiple bolts need to be tightened, which reduces the efficiency of the multispectral camera installation. When the bolts are used for a long time, their surfaces are prone to rust, which is not conducive to the rapid disassembly of the spectral camera, thereby reducing the use effect of the device.

[0004] Therefore, we propose an airborne device for a multispectral camera mounted on an unmanned aerial vehicle to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide an airborne device for an unmanned aerial vehicle (UAV)-mounted multispectral camera to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: an airborne device of a multispectral camera mounted on an unmanned aerial vehicle, comprising an unmanned aerial vehicle body, wherein brackets are fixedly installed at the bottom of the unmanned aerial vehicle body near both sides, a placement rack is arranged at the bottom of the unmanned aerial vehicle body, a multispectral camera body is arranged in the inner cavity of the placement rack, a mounting assembly is arranged at the rear side of the multispectral camera body, and a cleaning assembly is arranged at the bottom of the placement rack;

[0007] The mounting assembly includes a rectangular block fixedly mounted on the rear side of the placement rack near both sides and a threaded rod rotatably connected to the rectangular block. The outer circumference of the threaded rod is threadedly connected with threaded sleeves near both ends. A rectangular opening matching the threaded sleeve is opened near the middle position on the rear side of the placement rack, and the threaded sleeve moves through the inner cavity of the rectangular opening and is fixedly mounted with a splint. A worm gear is fixedly mounted on the outer circumference of the threaded rod near one end, a worm is meshed with the rear side of the worm gear, and a knob is fixedly mounted on the bottom end of the worm.

[0008] Preferably, the outer periphery of the worm is rotatably connected to a support block near the bottom end, and the front side of the support block is fixedly connected to the placement frame, and a soft cushion is fixedly installed on the opposite side of the splint.

[0009] Preferably, a motor A is fixedly installed at the middle position of the bottom of the drone body, a mounting frame is fixedly installed at the end of the power output shaft of motor A, a motor B is fixedly installed on one side of the inner cavity of the mounting frame, and the end of the power output shaft of motor B is fixedly connected to the placement frame, and a movable shaft is rotatably connected to the other side of the inner cavity of the mounting frame near the bottom, and one end of the movable shaft is fixedly connected to the placement frame.

[0010] Preferably, rubber pads are fixedly mounted on the outer periphery of the bracket near the front and rear ends; and a plurality of rubber blocks are fixedly mounted on the bottom of the inner cavity of the placement rack near both sides.

[0011] Preferably, the cleaning component includes a flip plate located at the bottom of the placement rack and a groove opened at the top of the flip plate, and electric slide rails are fixedly installed at the bottom of the inner cavity of the groove near the front and rear sides, and the inner cavity of the electric slide rails is slidably connected with an electric slider, and a connecting plate A is fixedly installed on the top of the electric slider, a connecting plate B is arranged on the top of the connecting plate A, and a wiping cotton is arranged on the top of the connecting plate B.

[0012] Preferably, a Velcro furry surface is fixedly installed on the bottom of the wiping cotton, and a Velcro thorny surface is arranged at the bottom of the Velcro furry surface, and the Velcro thorny surface is fixedly connected to the connecting plate B.

[0013] Preferably, telescopic rods are fixedly installed near the bottom and around the connecting plate B, and the bottom ends of the telescopic rods are fixedly connected to the connecting plate A. Springs are movably sleeved on the outer periphery of the telescopic rods, and the two ends of the springs are fixedly connected to the connecting plate B and the connecting plate A respectively.

[0014] Preferably, connecting frames are provided on both sides of the flip plate, and the tops of the connecting frames are fixedly connected to the placement frames, an L-shaped frame is fixedly installed on one side of the connecting frame, and a flip motor is fixedly installed on one side of the inner cavity of the L-shaped frame, and a fixed shaft is fixedly installed on the end of the power output shaft of the flip motor, and the other end of the fixed shaft passes through both sides of the flip plate and is rotatably connected to the adjacent connecting frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When installing the multi-spectral camera body, with the cooperation of the installation assembly, when the threaded rod rotates, the threaded sleeve threadedly connected to the outer periphery of the threaded rod can move the clamping plate to the opposite side under the limit of the rectangular opening, so that the multi-spectral camera body can be quickly installed or disassembled, reducing the work intensity of the staff and improving the efficiency of installation or disassembly.

[0017] 2. When cleaning the main lens of the multi-spectral camera, with the use of the cleaning component, the flip plate can be flipped 90 degrees and the wiping cotton can be fitted with the lens of the multi-spectral camera body. With the use of the electric slide rail and the electric slider, the main lens of the multi-spectral camera can be wiped with the wiping cotton to improve the clarity of the shooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0019] Figure 2 It is a bottom-up three-dimensional structural schematic diagram of the present invention;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the mounting frame and the placement frame of the present invention;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the placement rack, the multi-spectral camera body and the movable axis of the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the L-shaped frame, the flip motor and the flip plate of the present invention;

[0023] Figure 6 For the present invention Figure 3 Enlarged view of point A in the middle;

[0024] Figure 7 For the present invention Figure 4 Enlarged view of point B in the middle.

[0025] In the figure: 1. UAV body; 11. Motor A; 12. Mounting frame; 13. Active shaft; 14. Motor B; 2. Bracket; 21. Rubber pad; 3. Multispectral camera body; 4. Placement frame; 41. Rubber block; 5. Cleaning assembly; 51. Flip plate; 511. Connecting frame; 512. L-shaped frame; 513. Flip motor; 514. Fixed shaft; 52. Electric slide rail; 53. Groove; 54. Electric slider; 55. Connecting plate A; 56. Connecting plate B; 561. Telescopic rod; 562. Spring; 57. Wiping cotton; 571. Velcro hairy surface; 572. Velcro thorny surface; 6. Mounting assembly; 61. Rectangular block; 62. Threaded rod; 63. Threaded sleeve; 64. Rectangular opening; 65. Clamp; 651. Cushion; 66. Worm gear; 67. Worm; 671. Support block; 68. Knob. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1

[0028] See also Figure 1-7 , an airborne device of a multi-spectral camera on an unmanned aerial vehicle, comprising an unmanned aerial vehicle body 1, a bracket 2 is fixedly installed at the bottom of the unmanned aerial vehicle body 1 near both sides, a placement rack 4 is arranged at the bottom of the unmanned aerial vehicle body 1, and a multi-spectral camera body 3 is arranged in the inner cavity of the placement rack 4, (the multi-spectral camera body 3 is an imaging device that can be extended to ultraviolet, infrared and other spectral ranges on the basis of visible light, and synchronously collects the reflection or radiation information of the target in different narrow spectral bands through spectroscopic technology or filter combination to generate multi-band image data) a mounting component 6 is arranged on the rear side of the multi-spectral camera body 3, and a cleaning component 5 is arranged at the bottom of the placement rack 4;

[0029] The mounting assembly 6 comprises a rectangular block 61 fixedly mounted on the rear side of the placement rack 4 near both sides and a threaded rod 62 rotatably connected to the rectangular block 61 (opposite external threads are provided at the outer circumference of the threaded rod 62 near both ends, and the external threads have the same manufacturing accuracy). A threaded sleeve 63 is threadedly connected at the outer circumference of the threaded rod 62 near both ends. A rectangular opening 64 matching the threaded sleeve 63 is provided at the rear side of the placement rack 4 near the middle position (the rectangular opening 64 can limit the movement of the threaded sleeve 63, that is, the threaded sleeve 63 can only move laterally in the inner cavity of the rectangular opening 64). The threaded sleeve 63 moves through the inner cavity of the rectangular opening 64 and is fixedly mounted with a splint 65. A worm gear 66 is fixedly mounted on the outer circumference of the threaded rod 62 near one end. A worm 67 is meshed with the rear side of the worm gear 66, and a knob 68 is fixedly mounted on the bottom end of the worm 67.

[0030] Specifically, when the multi-spectral camera body 3 is installed, with the cooperation of the mounting assembly 6, when the threaded rod 62 rotates, the threaded sleeve 63 threadedly connected to the outer periphery of the threaded rod 62 can move the clamping plate 65 to the opposite side under the limitation of the rectangular opening 64, so that the multi-spectral camera body 3 can be quickly installed or disassembled, reducing the workload of the staff and improving the efficiency of installation or disassembly.

[0031] The outer periphery of the worm 67 is rotatably connected to a support block 671 near the bottom end, and the front side of the support block 671 is fixedly connected to the placement frame 4, and a soft pad 651 is fixedly installed on the opposite side of the clamping plate 65.

[0032] Specifically, the worm 67 can be supported by providing the support block 671 , and the multi-spectral camera body 3 can be protected when being limited by the soft pad 651 .

[0033] A motor A11 is fixedly installed at the middle position of the bottom of the drone body 1, and a mounting frame 12 is fixedly installed on the end of the power output shaft of the motor A11. A motor B14 is fixedly installed on one side of the inner cavity of the mounting frame 12, and the end of the power output shaft of the motor B14 is fixedly connected to the placement frame 4. A movable shaft 13 is rotatably connected to the other side of the inner cavity of the mounting frame 12 near the bottom, and one end of the movable shaft 13 is fixedly connected to the placement frame 4.

[0034] Specifically, the multi-spectral camera body 3 can be adjusted left and right by setting the motor A11, and the multi-spectral camera body 3 can be adjusted up and down by setting the motor B14.

[0035] Rubber pads 21 are fixedly mounted on the outer periphery of the bracket 2 near the front and rear ends; and a plurality of rubber blocks 41 are fixedly mounted on the bottom of the inner cavity of the placement rack 4 near the two sides.

[0036] Specifically, by providing the rubber pad 21 , the drone body 1 can be cushioned when it descends, and by providing the rubber block 41 , the stability of the placement of the multi-spectral camera body 3 can be improved.

[0037] Example 2

[0038] This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 4 , Figure 5 and Figure 7 The cleaning component 5 includes a flip plate 51 located at the bottom of the placement rack 4 and a groove 53 opened at the top of the flip plate 51. The bottom of the inner cavity of the groove 53 is fixedly installed with an electric slide rail 52 near the front and rear sides. The inner cavity of the electric slide rail 52 is slidably connected with an electric slider 54 (the power supply of the electric slider 54 and the electric slide rail 52 can be connected by the power supply of the drone body 1). The top of the electric slider 54 is jointly fixedly installed with a connecting plate A55, the top of the connecting plate A55 is provided with a connecting plate B56, and the top of the connecting plate B56 is provided with a wiping cotton 57.

[0039] Specifically, when cleaning the lens of the multispectral camera body 3, with the cooperation of the cleaning component 5, the flip plate 51 can be flipped 90 degrees and the wiping cotton 57 can be fitted with the lens of the multispectral camera body 3. With the cooperation of the electric slide rail 52 and the electric slider 54, the lens of the multispectral camera body 3 can be wiped by the wiping cotton 57 to improve the clarity of the shooting.

[0040] A Velcro furry surface 571 is fixedly installed at the bottom of the wiping cotton 57, and a Velcro thorny surface 572 is arranged at the bottom of the Velcro furry surface 571, and the Velcro thorny surface 572 is fixedly connected to the connecting plate B56.

[0041] Specifically, by providing the Velcro fur-like surface 571 and the Velcro thorn-like surface 572 , the wiping cotton 57 can be replaced, which is beneficial to the subsequent cleaning effect of the multi-spectral camera body 3 .

[0042] Telescopic rods 561 are fixedly installed near the bottom and around the connecting plate B56, and the bottom ends of the telescopic rods 561 are fixedly connected to the connecting plate A55. Springs 562 are movably sleeved on the outer periphery of the telescopic rods 561, and the two ends of the springs 562 are fixedly connected to the connecting plate B56 and the connecting plate A55 respectively.

[0043] Specifically, the multi-spectral camera body 3 can be tightly fitted by providing the telescopic rod 561 and the spring 562 .

[0044] Connecting frames 511 are provided on both sides of the flip plate 51, and the tops of the connecting frames 511 are fixedly connected to the placement frames 4. An L-shaped frame 512 is fixedly installed on one side of the connecting frame 511, and a flip motor 513 is fixedly installed on one side of the inner cavity of the L-shaped frame 512, and a fixed shaft 514 is fixedly installed on the end of the power output shaft of the flip motor 513. The other end of the fixed shaft 514 passes through both sides of the flip plate 51 and is rotatably connected to the adjacent connecting frame 511.

[0045] Specifically, by setting a flip motor 513 and a fixed shaft 514, the flip plate 51 can be flipped, which is beneficial for keeping the flip plate 51 in a horizontal state when the lens of the multi-spectral camera body 3 is not cleaned, and the flip plate 51 will not block the viewing angle of the multi-spectral camera body 3 when it is in a horizontal state.

[0046] Working principle: When the present invention is in use, when the multi-spectral camera body 3 is installed, the multi-spectral camera body 3 can be placed in the inner cavity of the placement frame 4, and then the knob 68 can be rotated to rotate the worm 67 fixed on the knob 68, and the threaded rod 62 can be rotated by the worm wheel 66 meshing with the worm 67. The outer periphery of the threaded rod 62 is provided with opposite external threads near both ends, so that the threaded sleeves 63 threadedly connected at both ends of the outer periphery of the threaded rod 62 can move to the opposite side under the limit of the rectangular opening 64, and then the clamping plate 65 fixed on the adjacent threaded sleeve 63 can move to the opposite side, so that the multi-spectral camera body 3 can be quickly installed, and vice versa. The main body 3 of the machine is quickly disassembled, and the main body 1 of the drone is taken off through an external controller, and a large area of ​​regional images are captured through the multispectral camera main body 3. When the lens of the multispectral camera main body 3 is blurred, the operator can start the flip motor 513 through the external controller, and the power output shaft of the flip motor 513 rotates to drive the fixed shaft 514 fixed on the flip motor 513 to rotate, so that the flip plate 51 fixedly sleeved on the outer periphery of the fixed shaft 514 can be flipped 90 degrees, and the wiping cotton 57 can be fitted with the lens of the multispectral camera main body 3. With the coordinated use of the electric slide rail 52 and the electric slider 54, the lens of the multispectral camera main body 3 can be wiped by the wiping cotton 57, thereby improving the clarity of the shooting.

[0047] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An airborne device for a multispectral camera mounted on an unmanned aerial vehicle, comprising an unmanned aerial vehicle body (1), characterized in that: The bottom of the drone body (1) is fixedly mounted with brackets (2) near both sides, the bottom of the drone body (1) is provided with a placement rack (4), the inner cavity of the placement rack (4) is provided with a multi-spectral camera body (3), the rear side of the multi-spectral camera body (3) is provided with a mounting assembly (6), and the bottom of the placement rack (4) is provided with a cleaning assembly (5); The mounting assembly (6) comprises a rectangular block (61) fixedly mounted on the rear side of the placement rack (4) near both sides and a threaded rod (62) rotatably connected to the rectangular block (61); the outer circumference of the threaded rod (62) is threadedly connected with a threaded sleeve (63) near both ends; a rectangular opening (64) matching the threaded sleeve (63) is provided near the middle position of the rear side of the placement rack (4); the threaded sleeve (63) movably penetrates the inner cavity of the rectangular opening (64) and is fixedly mounted with a clamping plate (65); a worm wheel (66) is fixedly mounted on the outer circumference of the threaded rod (62) near one end; a worm (67) is meshed with the rear side of the worm wheel (66), and a knob (68) is fixedly mounted on the bottom end of the worm (67).

2. The airborne device of the multi-spectral camera mounted on an unmanned aerial vehicle according to claim 1, characterized in that: The outer periphery of the worm (67) is rotatably connected to a support block (671) near the bottom end, and the front side of the support block (671) is fixedly connected to the placement frame (4), and a soft pad (651) is fixedly installed on the opposite side of the clamping plate (65).

3. The airborne device of the multi-spectral camera mounted on an unmanned aerial vehicle according to claim 1, characterized in that: A motor A (11) is fixedly installed at the middle position of the bottom of the drone body (1); a mounting frame (12) is fixedly installed at the end of the power output shaft of the motor A (11); a motor B (14) is fixedly installed on one side of the inner cavity of the mounting frame (12); and the end of the power output shaft of the motor B (14) is fixedly connected to the placement frame (4); a movable shaft (13) is rotatably connected to the other side of the inner cavity of the mounting frame (12) near the bottom, and one end of the movable shaft (13) is fixedly connected to the placement frame (4).

4. The airborne device of the multi-spectral camera mounted on an unmanned aerial vehicle according to claim 1, characterized in that: The outer periphery of the bracket (2) is fixedly sleeved with rubber pads (21) near the front and rear ends; the bottom of the inner cavity of the placement rack (4) is fixedly installed with a plurality of rubber blocks (41) near both sides.

5. The airborne device of the multi-spectral camera mounted on an unmanned aerial vehicle according to claim 1, characterized in that: The cleaning assembly (5) comprises a flip plate (51) located at the bottom of the placement rack (4) and a groove (53) opened at the top of the flip plate (51); an electric slide rail (52) is fixedly installed at the bottom of the inner cavity of the groove (53) near the front and rear sides; the inner cavity of the electric slide rail (52) is slidably connected to an electric slider (54); a connecting plate A (55) is fixedly installed on the top of the electric slider (54); a connecting plate B (56) is arranged on the top of the connecting plate A (55); and a wiping cotton (57) is arranged on the top of the connecting plate B (56).

6. The airborne device of the multi-spectral camera mounted on an unmanned aerial vehicle according to claim 5, characterized in that: A Velcro fur-like surface (571) is fixedly mounted on the bottom of the wiping cotton (57), and a Velcro thorn-like surface (572) is arranged on the bottom of the Velcro fur-like surface (571), and the Velcro thorn-like surface (572) is fixedly connected to the connecting plate B (56).

7. The airborne device of a multi-spectral camera mounted on an unmanned aerial vehicle according to claim 5, characterized in that: Telescopic rods (561) are fixedly installed near the bottom and the periphery of the connecting plate B (56), and the bottom ends of the telescopic rods (561) are fixedly connected to the connecting plate A (55). Springs (562) are movably sleeved on the outer periphery of the telescopic rods (561), and the two ends of the springs (562) are fixedly connected to the connecting plate B (56) and the connecting plate A (55) respectively.

8. The airborne device of a multi-spectral camera mounted on an unmanned aerial vehicle according to claim 5, characterized in that: Connecting frames (511) are provided on both sides of the flip plate (51), and the tops of the connecting frames (511) are fixedly connected to the placement frames (4). An L-shaped frame (512) is fixedly installed on one side of the connecting frame (511), and a flip motor (513) is fixedly installed on one side of the inner cavity of the L-shaped frame (512), and a fixed shaft (514) is fixedly installed on the shaft end of the power output shaft of the flip motor (513), and the other end of the fixed shaft (514) passes through both sides of the flip plate (51) and is rotatably connected to the adjacent connecting frame (511).

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