Aerial survey unmanned aerial vehicle with protection structure

Abstract

The utility model provides an aerial survey unmanned aerial vehicle with a protection structure, and relates to the technical field of aerial survey unmanned aerial vehicles. Four groups of undercarriages are arranged at positions, close to four corners, of the bottom of the signal receiving and positioning driving module; an anti-collision protection ring is arranged, a fixing support is connected into the anti-collision protection ring through a bolt pair, an upward lifting motor is installed in the center of the fixing support, a first propeller is fixedly connected to a rotating shaft of the lifting motor, the outer side of the first propeller is surrounded by the anti-collision protection ring, and the first propeller of the unmanned aerial vehicle is protected against collision damage in the flight process of the unmanned aerial vehicle; similarly, a second propeller of the unmanned aerial vehicle is protected through the arc-shaped protection plate; the bottom plane of the image processing and data returning module is higher than the lowest points of the four groups of undercarriages; the top plane of the signal receiving and positioning driving module is lower than the arc-shaped protection plate, so that the core part of the unmanned aerial vehicle is prevented from being impacted and damaged in the takeoff and landing or flying process, and escorting guarantee is provided for aerial survey operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of aerial survey unmanned aerial vehicles, and more specifically, relates to an aerial survey unmanned aerial vehicle with a protective structure. Background Art

[0002] Since the images of photography drones come from a high-altitude perspective, they can avoid most obstacles in the field of view and are less affected by weather, terrain, and observation range. After carrying aerial survey equipment, they can remotely transmit observation information to the data processing system to draw observation images. They have the advantages of real-time image transmission, fast analysis speed, and comprehensive aerial survey information.

[0003] However, there is a common technical problem in using drones for aerial surveys: in order to improve the drone's endurance and ensure that the drone can work for a long time after being fully charged, the drone's structure is usually designed to be relatively light, and there is a lack of protective structure during flight. The propeller is easily damaged when it hits an obstacle and needs to be replaced before it can be used again, which increases the cost of using the drone; in particular, the drone's core components such as signal transmission and image processing will suffer irreversible damage if the drone hits an obstacle during landing and flight. In severe cases, the drone will be completely destroyed and cannot be repaired. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an aerial survey UAV with a protective structure to solve the problem that the existing aerial survey UAVs are easily damaged during takeoff and landing due to the lack of a protective structure.

[0005] The utility model provides an aerial survey UAV with a protective structure, which is achieved by the following specific technical means:

[0006] A protective structure for aerial surveying drones includes a signal receiving and positioning drive module. The module has a housing approximately quadrilateral, an image processing and data return module fixedly connected to its bottom, a front lens hingedly connected to its front end, and a data line connecting the two (not shown in the figure). The module is fixedly connected to first connecting arms at its four corners, a lifting structure disposed at the end of the first connecting arm, the lifting structure including an anti-collision guard ring, a fixed bracket connected to the inside of the anti-collision guard ring via a bolt pair, an upward-facing lift motor mounted at the center of the fixed bracket, and a first propeller fixedly connected to the rotating shaft of the lift motor. Second connecting arms are fixedly connected to both sides of the module, two sets of arc-shaped guard plates are disposed at the end of the second connecting arm, and steering motors with the same direction are mounted at the joints between the arc-shaped guard plates and the second connecting arms, and a second propeller fixedly connected to the rotating shaft of the steering motor. Four sets of landing gear are disposed near the four corners of the bottom of the module.

[0007] Furthermore, the front lens is tilted downward, and a visible light camera and a multispectral camera are arranged at the front end of the front lens. The multispectral camera includes multiple groups of lenses including near infrared, red edge, red and green.

[0008] Furthermore, two groups of aerial survey cameras are set at the bottom of the image processing and data return module, including aerial survey camera A and aerial survey camera B, and both lenses are directed vertically downward. In addition, the image processing and data return module is equipped with a fill light at the front end of aerial survey camera A.

[0009] Furthermore, a group of night vision LED light groups are provided at the front end of the bottom of the signal receiving and positioning driving module on both sides of the front lens, and the light direction of the night vision LED light group is tilted downward and maintains the same tilt angle as the front lens.

[0010] Furthermore, a slot is provided at the rear end of the image processing and data return module, into which a 4G enhanced image transmission is selectively inserted. The 4G enhanced image transmission is connected to the signal receiving and positioning driving module via a data line, which is not shown in the figure.

[0011] Furthermore, the bottom plane of the image processing and data return module is higher than the lowest point height of the four sets of landing gears; the top plane of the signal receiving and positioning drive module is lower than the height of the arc guard plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The utility model is provided with an anti-collision guard ring, a fixed bracket is connected to the anti-collision guard ring through a bolt pair, a lift motor is installed in the center of the fixed bracket with an upward direction, a first propeller is fixedly connected to the rotating shaft of the lift motor, and the outer side of the first propeller is surrounded by the anti-collision guard ring, so that the first propeller of the UAV is protected from collision damage during flight; similarly, the second propeller of the UAV is protected by an arc-shaped guard plate; the bottom plane of the image processing and data return module is higher than the lowest point height of the four sets of landing gear; the top plane of the signal receiving and positioning drive module is lower than the height of the arc-shaped guard plate, so as to protect the core parts of the UAV from collision damage during take-off and landing or flight, and provide escort guarantee for aerial survey operations.

[0014] 2. The utility model sets two sets of steering motors. When the two sets of steering motors are started to rotate in the same direction, the second propellers are driven to rotate, so that the UAV flies forward. If the direction needs to be changed during flight, the two sets of steering motors are started in the opposite direction to drive the two sets of second propellers to rotate in the opposite direction to complete the UAV steering. If the UAV needs to stop moving and keep hovering, the steering motors are turned off. The steering motors make the aerial survey UAV more flexible in flight. When encountering obstacles, the UAV can stop moving or change course as soon as possible to protect the UAV from collision damage.

[0015] 3. The utility model is provided with a front lens. During the flight, the visible light camera of the front lens captures the terrain image of the route and transmits it to the image processing and data return module through a data line, and remotely transmits the image and position information to the drone operator; the multispectral camera has a built-in night vision function. In a night environment, night images are obtained through the near-infrared camera, and the night LED light group is turned on to assist the visible light camera in observation. The vegetation and crop information of the route can be obtained by obtaining different band spectra through other lenses of the multispectral camera, and transmitted to the operator's computer through the image processing and data return module for aerial survey analysis, thereby assisting in drawing aerial survey maps containing multiple information. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 It is a side elevation view of the present utility model.

[0018] Figure 3 It is a bottom view of the present utility model.

[0019] Figure 4 It is a front view of the present utility model.

[0020] Figure 5 It is a rear view of the present utility model.

[0021] Figure 6 It is an exploded view of the lifting structure of the utility model.

[0022] Figure 7 This is a schematic diagram of the connection relationship between the image processing and data return module and the front lens of the utility model.

[0023] Figure 8 It is a front view of the front lens of the utility model.

[0024] Figure 9 This utility model Figure 1 Enlarged schematic diagram of point A in the middle.

[0025] Figure 10 This utility model Figure 3 Enlarged schematic diagram of point B in the middle.

[0026] Figure 11 This utility model Figure 5 Enlarged schematic diagram of point C in the middle.

[0027] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0028] 1. Signal receiving and positioning drive module; 2. Image processing and data return module; 201. Fill light; 202. Aerial survey camera A; 203. Aerial survey camera B; 3. Front lens; 301. Near-infrared; 302. Red edge; 303. Red; 304. Green; 305. Visible light camera; 4. First connecting arm; 5. Anti-collision guard ring; 6. Fixed bracket; 7. Lift motor; 8. First propeller; 9. Second connecting arm; 10. Steering motor; 11. Second propeller; 12. Curved guard plate; 13. Landing gear; 14. Night vision LED light group; 15. Slot; 16. 4G enhanced image transmission. DETAILED DESCRIPTION

[0029] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] Example:

[0031] As attached Figure 1 To the attached Figure 11 As shown:

[0032] The utility model provides an aerial survey UAV with a protective structure, which is characterized by comprising a signal receiving and positioning drive module 1; a shell of the signal receiving and positioning drive module 1 is approximately quadrilateral, an image processing and data return module 2 is fixedly connected to the bottom of the signal receiving and positioning drive module 1, a front lens 3 is hinged at the front end of the image processing and data return module 2, and a data line connecting the two is not drawn in the figure; a first connecting arm 4 is fixedly connected to the four corners of the signal receiving and positioning drive module 1, a lifting structure is provided at the end of the first connecting arm 4, and the lifting structure includes an anti-collision guard ring 5, an anti-collision guard ring 5, and an anti-collision guard ring 5. A fixed bracket 6 is connected to the collision guard ring 5 through a bolt pair, and a lift motor 7 facing upward is installed at the center of the fixed bracket 6, and a first propeller 8 is fixedly connected to the rotating shaft of the lift motor 7; second connecting arms 9 are fixedly connected to both sides of the signal receiving and positioning drive module 1, and two groups of arc-shaped guard plates 12 are provided at the end of the second connecting arm 9. A steering motor 10 in the same direction is installed at the contact point between the arc-shaped guard plate 12 and the second connecting arm 9, and a second propeller 11 is fixedly connected to the rotating shaft of the steering motor 10; four groups of landing gears 13 are provided near the four corners at the bottom of the signal receiving and positioning drive module 1.

[0033] Among them, such as Figure 4As shown, the front lens 3 is tilted downward, and a visible light camera 305 and a multispectral camera are set at the front end of the front lens 3. The multispectral camera includes multiple groups of lenses: near-infrared 301, red edge 302, red 303 and green 304. The visible light camera 305 has 20 million pixels and adopts a mechanical shutter. The multispectral camera has 4*5 million pixels. The visible light camera 305 is mostly used for automatic path finding of the UAV, which can cover the observation of the most subtle terrain undulations, and can take in different terrain and landforms and vegetation coverage, so that everything can be unified and accurate drawing of aerial survey maps can be achieved.

[0034] Among them, such as Figure 3 and Figure 10 As shown, two sets of aerial survey cameras are set at the bottom of the image processing and data return module 2, including aerial survey camera A202 and aerial survey camera B203, and the lenses of both are pointed vertically downward. When the drone is in a hovering state, the two sets of aerial survey cameras can be used to focus and observe the area below, or the hovering height can be lowered for close observation. In addition, the image processing and data return module 2 is equipped with a fill light 201 at the front end of the aerial survey camera A202.

[0035] Among them, such as Figure 4 As shown, a group of night vision LED light groups 14 are set on both sides of the front lens 3 at the bottom front end of the signal receiving and positioning driving module 1. The light direction of the night vision LED light group 14 is tilted downward and maintains the same tilt angle as the front lens 3. The night vision LED light group 14 gives the aerial survey UAV a certain night operation capability, which can help avoid obstacles encountered during flight as soon as possible. By comparing the infrared image and the night vision image, the target details can be quickly identified and the route can be planned.

[0036] Among them, such as Figure 11 As shown, a slot 15 is provided at the rear end of the image processing and data return module 2, and a 4G enhanced image transmission 16 is selectively inserted into the slot 15. The 4G enhanced image transmission 16 is connected to the signal receiving and positioning driving module 1 through a data cable, which is not drawn in the figure. When encountering a scene where the remote control signal is severely blocked, the 4G enhanced image transmission 16 can be optionally equipped to make the flight more stable. Combined with the visual sensor under the fuselage, direct ground-based aerial survey can be performed for scenes with large slopes.

[0037] Among them, such as Figure 4 As shown, the bottom plane of the image processing and data return module 2 is higher than the lowest point height of the four landing gears 13; the top plane of the signal receiving and positioning drive module 1 is lower than the height of the arc-shaped guard plate 12, protecting the core parts of the drone from impact damage during take-off and landing or flight, and providing escort protection for aerial survey operations.

[0038] The specific usage and function of this embodiment are as follows:

[0039] In the present invention, when using, the drone is first placed in a flat open area, and the operator is away from the drone; the four lift motors 7 are started by remote control to drive the first propeller 8 to rotate, so that the drone climbs; at the same time, the two steering motors 10 are started to rotate in the same direction to drive the second propeller 11 to rotate, so that the drone flies forward; if the direction needs to be changed during flight, the two steering motors 10 are started in the opposite direction to drive the two second propellers 11 to rotate in the opposite direction to complete the steering of the drone; if the drone needs to stop moving and keep hovering, the steering motors 10 are turned off; during flight, the visible light camera 305 of the front lens 3 captures the terrain image of the route and transmits it to the user. The image and position information are transmitted to the image processing and data return module 2 via a data cable, and the image and position information are remotely transmitted to the drone operator; the multispectral camera has a built-in night vision function. In a night environment, night images are obtained through the near-infrared camera 301, and the night LED light group is turned on to assist the visible light camera 305 in observation. The vegetation and crop information along the route can be obtained by obtaining spectra of different bands through other lenses of the multispectral camera, and transmitted to the operator's computer through the image processing and data return module 2 for aerial survey analysis; in the hovering state, it is recommended to use the lower aerial survey camera A202 and aerial survey camera B203 to focus and observe, or to reduce the hovering altitude for close observation.

[0040] Anything not described in detail in the present invention is well known to those skilled in the art.

Claims

1. An aerial survey drone with a protective structure, characterized by: The invention comprises a signal receiving and positioning driving module (1); the housing of the signal receiving and positioning driving module (1) is approximately quadrilateral; the bottom of the signal receiving and positioning driving module (1) is fixedly connected to an image processing and data return module (2); the front end of the image processing and data return module (2) is hingedly connected to a front lens (3); the data line connecting the two is not drawn in the figure; the four corners of the signal receiving and positioning driving module (1) are fixedly connected to a first connecting arm (4); the end of the first connecting arm (4) is provided with a lifting structure, the lifting structure comprises an anti-collision guard ring (5), and the anti-collision guard ring (5) is connected to a fixed bracket (6) through a bolt pair. ), a lift motor (7) facing upward is installed at the center of the fixed bracket (6), and a first propeller (8) is fixedly connected to the rotating shaft of the lift motor (7); second connecting arms (9) are fixedly connected to both sides of the signal receiving and positioning driving module (1), two groups of arc-shaped guard plates (12) are provided at the end of the second connecting arm (9), and a steering motor (10) in the same direction is installed at the contact point between the arc-shaped guard plates (12) and the second connecting arm (9), and a second propeller (11) is fixedly connected to the rotating shaft of the steering motor (10); four groups of landing gears (13) are provided near the four corners at the bottom of the signal receiving and positioning driving module (1).

2. The aerial survey UAV with a protective structure according to claim 1, characterized in that: The front lens (3) is tilted downward, and a visible light camera (305) and a multispectral camera are arranged at the front end of the front lens (3). The multispectral camera includes multiple groups of lenses: near infrared (301), red edge (302), red (303) and green (304).

3. The aerial survey UAV with a protective structure according to claim 1, characterized in that: Two groups of aerial survey cameras are arranged at the bottom of the image processing and data return module (2), including an aerial survey camera A (202) and an aerial survey camera B (203), and the lenses of both cameras are vertically downward. In addition, the image processing and data return module (2) is provided with a fill light (201) at the front end of the aerial survey camera A (202).

4. The aerial survey UAV with a protective structure according to claim 1, characterized in that: A night vision LED light group (14) is provided at the front end of the bottom of the signal receiving and positioning driving module (1) on both sides of the front lens (3). The light direction of the night vision LED light group (14) is tilted downward and maintains the same tilt angle as the front lens (3).

5. The aerial survey UAV with a protective structure according to claim 1, characterized in that: The image processing and data return module (2) is provided with a slot (15) at the rear end, and a 4G enhanced image transmission (16) is selectively inserted into the slot (15). The 4G enhanced image transmission (16) is connected to the signal receiving and positioning driving module (1) via a data line, which is not shown in the figure.

6. The aerial survey UAV with a protective structure according to claim 1, characterized in that: The bottom plane of the image processing and data return module (2) is higher than the lowest point height of the four landing gear sets (13); and the top plane of the signal receiving and positioning drive module (1) is lower than the height of the arc-shaped guard plate (12).

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