Unmanned obstacle avoidance mechanism for surveying and mapping

Abstract

The utility model relates to the technical field of surveying and mapping unmanned aerial vehicles, in particular to a surveying and mapping unmanned obstacle avoidance mechanism which comprises a surveying and mapping unmanned aerial vehicle, a data processor is fixedly connected to the center of the top of the surveying and mapping unmanned aerial vehicle in an adhesion mode, and a protective cover is fixedly connected to the top of the data processor. Extending plates are integrally fixed to the four corners of the protective cover and located over four-corner rotors of the surveying and mapping unmanned aerial vehicle, guardrails are integrally fixed to the bottom edges of the extending plates, side radars are connected to the bottoms of the outer sides of the guardrails in a buckled mode, and a top radar is connected to the center of the top of the protective cover in a buckled mode; the top radar and the side radar are electrically connected with the data processor. The utility model aims to provide the unmanned obstacle avoidance mechanism for surveying and mapping, so as to solve the problem that a radar is usually mounted in a rack and is not easy to be additionally mounted, dismounted and overhauled at any time according to use requirements in the existing obstacle avoidance mechanism for the unmanned aerial vehicle for surveying and mapping.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying and mapping unmanned aerial vehicles, in particular to an unmanned obstacle avoidance mechanism for surveying and mapping. Background Art

[0002] UAV remote sensing is the use of advanced unmanned aerial vehicle technology, remote sensing sensor technology, telemetry and remote control technology, communication technology, GPS differential positioning technology and remote sensing application technology to achieve automatic, intelligent and specialized rapid acquisition of spatial remote sensing information such as land resources, natural environment, earthquake-stricken areas, and complete remote sensing data processing, modeling and application analysis. UAV remote sensing systems have become a hot topic for research in countries around the world due to their advantages such as mobility, speed and economy. They have gradually developed from research and development to the practical application stage and have become one of the main aviation remote sensing technologies in the future.

[0003] At present, the obstacle avoidance mechanism of surveying and mapping UAV is a safety device used to help surveying and mapping UAVs avoid collision risks in areas with dense obstacles such as urban buildings, trees, and power lines. It usually uses various sensors and radar technologies to sense the surrounding environment in real time, and promptly issue alarms or automatically adjust the flight trajectory. However, the existing obstacle avoidance mechanism of surveying and mapping UAVs usually installs the radar inside the frame, which is not easy to install and disassemble for maintenance at any time according to usage needs. Utility Model Content

[0004] The utility model aims to provide a surveying and mapping unmanned obstacle avoidance mechanism to solve the problem that the existing surveying and mapping unmanned aerial vehicle obstacle avoidance mechanism usually installs the radar in the frame, which is not easy to be installed and disassembled for maintenance at any time according to the use needs.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A surveying and mapping unmanned obstacle avoidance mechanism comprises a surveying and mapping UAV, wherein a data processor is adhesively fixedly connected to the top center of the surveying and mapping UAV, a protective cover is fixedly connected to the top of the data processor, extension plates are integrated and fixed at the four corners of the protective cover and directly above the four-corner rotors of the surveying and mapping UAV, guardrails are integrated and fixed at the bottom edges of the extension plates, side radars are snap-connected to the outer bottoms of the guardrails, a top radar is snap-connected to the top center of the protective cover, and the top radar and side radars are electrically connected to the data processor.

[0007] Preferably, the surveying and mapping UAV is a quad-rotor UAV.

[0008] Preferably, an adhesion area is provided at the bottom of the data processor, and a positioning groove is provided at the top of the surveying and mapping UAV at a position corresponding to the data processor.

[0009] Preferably, air vents are equidistantly formed on the surfaces of the extension plate and the guardrail.

[0010] Preferably, the diameter of the guardrail is larger than the rotation diameter of the rotor impeller on the surveying and mapping UAV, and the installation height of the side radar is lower than the height of the rotor impeller on the surveying and mapping UAV.

[0011] Preferably, the side radar and top radar are both laser radar or sonic radar.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the top radar arranged at the top center of the protective cover and the side radars arranged on the guardrails at the four corners of the protective cover, the surrounding environment of the UAV can be monitored in real time when the surveying and mapping UAV is flying, and the monitored data is fed back to the data processor for analysis and processing, so as to realize imaging processing of the environment around the flight path, and achieve intelligent avoidance of obstacles on the path and feedback to the operation end, so as to facilitate the safe surveying and mapping of the UAV.

[0014] 2. In the utility model, by designing the side radar, top radar and data processor to be externalized in the surveying and mapping UAV, the radar can be installed or disassembled, maintained and repaired at any time according to the needs of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a bottom axis view of an unmanned obstacle avoidance mechanism for surveying and mapping according to the utility model;

[0016] Figure 2 This is an upper axis view of the application state of an unmanned obstacle avoidance mechanism for surveying and mapping of the utility model;

[0017] Figure 3 This is a bottom axis view of the application state of an unmanned obstacle avoidance mechanism for surveying and mapping of the utility model;

[0018] Figure 4 This is a diagram of the separation state of a surveying and mapping unmanned obstacle avoidance mechanism and a surveying and mapping UAV of the utility model.

[0019] In the figure: 1. Surveying and mapping drone; 2. Data processor; 3. Protective cover; 4. Extension plate; 5. Guardrail; 6. Side radar; 7. Top radar; 8. Adhesion area; 9. Positioning slot; 10. Air outlet. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A surveying and mapping unmanned obstacle avoidance mechanism comprises a surveying and mapping UAV 1, wherein a data processor 2 is adhesively fixedly connected to the top center of the surveying and mapping UAV 1, and is used for analyzing and processing the monitoring feedback data of the side radar and the top radar, and imaging the surrounding environment on the flight path of the surveying and mapping UAV, so as to intelligently avoid obstacles on the flight path; a protective cover 3 is fixedly connected to the top of the data processor 2, and is used for external protection of the surveying and mapping UAV; extension plates 4 are integrated and fixed at the four corners of the protective cover 3 and are located directly above the four-corner rotors of the surveying and mapping UAV 1, and guardrails 5 are integrated and fixed at the bottom edges of the extension plates 4, and are used for obstacle avoidance protection of the four-rotor of the surveying and mapping UAV; side radars 6 are snap-connected to the outer bottom of the guardrails 5, and the side radars on the outer guardrails of the four-rotor are used to realize data monitoring and feedback of the surrounding environment of the surveying and mapping UAV; a top radar 7 is snap-connected to the top center of the protective cover 3, and is used for monitoring and feedback of obstacles on the top of the surveying and mapping UAV; the top radar 7 and the side radar 6 are both electrically connected to the data processor 2, and the electrical signal connection design of each component is met.

[0023] In this embodiment, see Figure 4 ,The surveying and mapping UAV 1 is a quad-rotor UAV.

[0024] In this embodiment, see Figure 1 A bonding area 8 is provided at the bottom of the data processor 2 to meet the design of rapid disassembly and assembly of the data processor and the surveying and mapping UAV; a positioning groove 9 is provided at the top of the surveying and mapping UAV 1 and at a position corresponding to the data processor 2 for installation and positioning of the data processor to ensure high-precision and rapid installation of the obstacle avoidance mechanism of the surveying and mapping UAV.

[0025] In this embodiment, see Figure 2 The surfaces of the extension plate 4 and the guardrail 5 are evenly spaced with air vents 10 to facilitate air circulation around the rotor impeller of the mapping UAV.

[0026] In this embodiment, see Figure 3 The diameter of the guardrail 5 is larger than the rotation diameter of the rotor impeller on the surveying and mapping UAV 1, and the installation height of the side radar 6 is lower than the height of the rotor impeller on the surveying and mapping UAV 1, which meets the functional structure design requirements of the obstacle avoidance mechanism.

[0027] In this embodiment, the side radar 6 and the top radar 7 are both laser radars or sonic radars, meeting market-oriented design requirements.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surveying and mapping unmanned obstacle avoidance mechanism, comprising a surveying and mapping unmanned aerial vehicle (1), characterized in that: The top center of the surveying and mapping UAV (1) is adhesively fixedly connected to a data processor (2); the top fixed connection frame of the data processor (2) is provided with a protective cover (3); the four corners of the protective cover (3) and directly above the four corner rotors of the surveying and mapping UAV (1) are integrated and fixed with extension plates (4); the bottom edges of the extension plates (4) are integrated and fixed with guardrails (5); the outer bottoms of the guardrails (5) are snap-connected with side radars (6); the top center of the protective cover (3) is snap-connected with a top radar (7); the top radar (7) and the side radars (6) are both electrically connected to the data processor (2).

2. The unmanned obstacle avoidance mechanism for surveying and mapping according to claim 1, characterized in that: The surveying and mapping UAV (1) is a quad-rotor UAV.

3. The unmanned obstacle avoidance mechanism for surveying and mapping according to claim 1, characterized in that: The bottom of the data processor (2) is provided with an adhesion area (8), and the top of the surveying and mapping drone (1) and a position corresponding to the data processor (2) are provided with a positioning groove (9).

4. The unmanned obstacle avoidance mechanism for surveying and mapping according to claim 1, characterized in that: Air vents (10) are equidistantly formed on the surfaces of the extension plate (4) and the guardrail (5).

5. The unmanned obstacle avoidance mechanism for surveying and mapping according to claim 1, characterized in that: The diameter of the guardrail (5) is greater than the rotation diameter of the rotor impeller on the surveying and mapping UAV (1), and the installation height of the side radar (6) is lower than the height of the rotor impeller on the surveying and mapping UAV (1).

6. The unmanned obstacle avoidance mechanism for surveying and mapping according to claim 1, characterized in that: The side radar (6) and the top radar (7) are both laser radars or sonic radars.

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