Expansion support and unmanned aerial vehicle loaded with expansion support

Abstract

The utility model relates to an expansion support and an unmanned aerial vehicle loaded with the expansion support, the expansion support comprises first steel frames, second steel frames and a third steel frame, the number of the first steel frames is two, the two second steel frames are respectively arranged on the two first steel frames, the second steel frames and the first steel frames are arranged in parallel, and the third steel frames are arranged on the second steel frames. An unmanned aerial vehicle is arranged at the bottom end of the first steel frame, and a calculation module is arranged at the top end of the second steel frame; the number of the third steel frames is three, the two ends of each third steel frame are located between the first steel frame and the second steel frame, the three third steel frames are all perpendicular to the first steel frame and the second steel frame, and binocular cameras are arranged on the third steel frames. Compared with the prior art, the defect of the curtain wall structure can be accurately positioned in a three-dimensional space, and reliable basic information is provided for subsequent repair and maintenance work.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to an expansion bracket and a unmanned aerial vehicle carrying the expansion bracket. Background Art

[0002] The building exterior wall surface layer (including the brick facing layer, insulation layer, plaster layer and other structural layers located outside the main body of the building exterior wall, hereinafter collectively referred to as the surface layer) may have quality problems such as hollowing, cracking, and hot and cold bridges during use due to construction quality, material quality, climate conditions, biological erosion and other reasons. Such surface layer quality problems will reduce the overall energy-saving effect of the building, and in severe cases will cause the surface layer to fall off, endangering people's lives and property. Therefore, accurate detection and evaluation of the hollowing size, crack length, hot and cold bridge size, and falling size of the exterior wall surface layer is of great significance to building energy conservation, safety prevention, etc.

[0003] Advantages of existing drones and wall-climbing robots Drone inspection and shooting technology is to shoot and store the target through video or image for manual processing and analysis. The advantage is that it can achieve unmanned inspection of high-rise buildings and high-risk buildings. It is safe and efficient and suitable for precision inspection and detection of internal defects. However, it has certain limitations. The existing technology cannot obtain the damage of curtain wall cracks and the accurate crack width in real time.

[0004] Based on this, combining the advantages of existing drones and U-Net networks, a bracket is designed to accurately measure the distance of defect locations, so as to achieve unmanned inspection of high-rise buildings and high-risk buildings. It is safe and efficient and suitable for precision inspection and detection of internal defects. Utility Model Content

[0005] The purpose of the utility model is to provide an expansion bracket and a drone equipped with the expansion bracket in order to solve the problem that the existing technology cannot obtain the damage of the curtain wall crack and the accurate crack width in real time. The expansion bracket is mainly composed of a steel plate with a U-shaped groove and screws, which retains the rigidity of the previous steel plate and enhances its flexibility; the drone equipped with the expansion bracket is equipped with a GPU and a binocular camera to achieve accurate distance measurement of the defect position. The utility model can accurately locate the defects of the curtain wall structure in three-dimensional space, providing reliable basic information for subsequent repair and maintenance work.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An expansion bracket includes a first steel frame, a second steel frame and a third steel frame.

[0008] There are two first steel frames, each of which is provided with a second steel frame, the second steel frame is placed parallel to the first steel frame, the bottom end of the first steel frame is used to connect the drone, and the top end of the second steel frame is used to connect the computing module;

[0009] There are three third steel frames, and two ends of the three third steel frames are respectively located between the first steel frame and the second steel frame. The three third steel frames are placed vertically to the first steel frame and the second steel frame, and the third steel frames are used to place binocular cameras.

[0010] In one embodiment of the utility model, the first steel frame is Π-shaped, and the Π-shaped first steel frame consists of a horizontal frame and two vertical frames, a vertical frame is respectively provided at the left and right ends of the horizontal frame, the bottoms of the two ends of the third steel frame are fixed to the horizontal frame, and the tops of the two ends of the third steel frame are provided with second steel frames, and the left and right ends of the second steel frame are respectively arranged above a vertical frame.

[0011] In one embodiment of the utility model, two first grooves are provided on the cross frame, each of which is connected to a U-shaped groove on a drone, and the first steel frame is fixed to the drone by screws passing through the first grooves and the U-shaped grooves on the drone in sequence.

[0012] In one embodiment of the utility model, a third groove is respectively provided at the upper and lower ends of the two left and right third steel frames, each of the third grooves is connected to a first groove, and the junction of the third groove and the first groove forms a third steel frame groove intersection point, and the first steel frame and the third steel frame are connected and fixed by screws passing through the third steel frame groove intersection point.

[0013] In one embodiment of the utility model, a second groove is provided at the intersection of the horizontal frame and the vertical frame, and a sixth groove is provided at the left and right ends of the two second steel frames respectively, each of the sixth grooves is connected to a second groove, and the junction of the sixth groove and the second groove forms a second steel frame groove intersection point, and the first steel frame and the second steel frame are connected and fixed by screws passing through the second steel frame groove intersection point.

[0014] In one embodiment of the utility model, a fourth groove is further provided on the second steel frame, and the fourth groove is located between the two sixth grooves. A fifth groove is respectively provided at the upper and lower ends of the third steel frame in the middle, and each of the fourth grooves is movably connected to a fifth groove. The junction of the fourth groove and the fifth groove forms a first steel frame groove intersection point, and the second steel frame and the third steel frame are connected and fixed by screws passing through the first steel frame groove intersection point.

[0015] In one embodiment of the utility model, the relative position between the fourth groove and the fifth groove is adjustable; by moving the fourth groove forward and backward, the position of the intersection point of the first steel frame groove formed by the corresponding fifth groove and the fourth groove also moves forward and backward, which is used to adjust the front and rear position of the binocular camera to fix it; by moving the fifth groove left and right, the position of the intersection point of the first steel frame groove formed by the corresponding fourth groove and the fifth groove also moves left and right, which is used to adjust the left and right position of the binocular camera to fix it.

[0016] In one implementation of the present invention, the second steel frame and the third steel frame are rectangular in shape.

[0017] As a preferred technical solution, the first groove, the second groove, the third groove, the fourth groove, the fifth groove and the sixth groove are all U-shaped grooves.

[0018] In addition, the utility model also provides a drone with an expansion bracket, including the above-mentioned expansion bracket, a computing module, a drone and a binocular camera, wherein the computing module, the drone and the binocular camera are connected to each other.

[0019] In one embodiment of the utility model, the expansion bracket is arranged between the computing module and the drone, and a binocular camera is respectively provided at the front and rear ends of the expansion bracket.

[0020] As a preferred technical solution, the drone adopts a U-Net network core improved by transfer learning, deep separable convolution and dense connection;

[0021] The drone is provided with a tightVNC remote connection;

[0022] The computing module adopts the NVIDIA Jestson Xaiver AGX computing module.

[0023] The principle of the utility model is as follows:

[0024] In today's construction industry, efficient and accurate defect detection of curtain wall structures is crucial. The drone with an expansion bracket provided by the utility model is used in a drone curtain wall defect intelligent detection system, which adopts a semantic segmentation improved U-Net network, in which the main improvements include transfer learning, deep separable convolution and dense connection to improve the accuracy and efficiency of defect detection.

[0025] Through secondary development of the binocular camera, the drone with an expansion bracket provided by the utility model can accurately locate the defects of the curtain wall structure in three-dimensional space, provide reliable basic information for subsequent repair and maintenance work, and realize accurate distance measurement of the defect position.

[0026] The utility model is equipped with the NVIDIA Jestson Xaiver AGX computing module through an embedded device. This not only ensures the real-time performance and efficiency of the system, but also enables the drone to complete a comprehensive inspection of the building facade in the air without human intervention.

[0027] Finally, through tightVNC remote connection, the utility model realizes flexible and convenient ground-side control of the UAV system, which provides users with the ability to monitor and intervene in real time, thus further improving the operability of the system.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0029] 1. In the utility model, a Π-shaped first steel frame is provided, which is used to be placed on the drone so that the U-shaped groove is aligned with the fixed position of the drone. The Π-shape design can be conveniently connected with the square second steel frame and the third steel frame, so that the installation of the entire expansion bracket is more stable and firm, which is convenient for the development of research. At the same time, the use of the Π-shape also greatly reduces the working time and production cost.

[0030] 2. The U-shaped groove of the utility model can change the distance to better adapt to the size of the drone, computing module and binocular camera, greatly enhancing the flexibility in practical use.

[0031] 3. The expansion bracket provided by the utility model not only improves the stability of visual observation but also better connects with the drone; in terms of flexibility, the steel plate with a U-shaped groove can adjust the position of the screw fixation according to the size of the computing module, making it suitable for a variety of different computing modules and binocular cameras, greatly improving the flexibility of the device.

[0032] 4. The expansion bracket provided by the utility model utilizes an improved U-Net network and introduces key technologies such as transfer learning, deep separable convolution and dense connection to achieve significant performance improvement in defect detection. Through the improved technology, the GPU is mounted on the UAV platform to monitor the damage and crack width of the curtain wall in real time.

[0033] 5. The utility model uses the drone embedded device equipped with NVIDIA Jestson Xaiver AGX to run the improved U-Net and binocular camera, and remotely connects to the ground end through tightVNC for real-time control. The intelligent detection system combines advanced deep learning technology and high-performance computing platform, providing an efficient and accurate solution for curtain wall defect detection, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the overall structure of the expansion bracket of the utility model;

[0035] Figure 2 It is a three-dimensional diagram of the second steel frame of the utility model;

[0036] Figure 3 It is a three-dimensional diagram of the first steel frame of the utility model;

[0037] Figure 4 It is a three-dimensional diagram of the third steel frame of the utility model;

[0038] Figure 5 The utility model is a schematic diagram of the overall structure of the UAV with an expansion bracket attached.

[0039] Explanation of the accompanying figure numbers: 1. first groove, 2. first steel frame, 3. second steel frame, 4. second groove, 5. third steel frame, 6. third groove, 7. fourth groove, 8. fifth groove, 9. intersection point of first steel frame groove, 10. horizontal frame, 11. vertical frame, 12. computing module, 13. drone, 14. binocular camera, 15. sixth groove, 16. intersection point of second steel frame groove, 17. intersection point of third steel frame groove. DETAILED DESCRIPTION

[0040] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0042] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying 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 orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on 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.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 invention can be understood according to specific circumstances.

[0044] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0045] Example 1

[0046] See also Figures 1 to 4 This embodiment provides an expansion bracket, including a first steel frame 2, a second steel frame 3 and a third steel frame 5.

[0047] There are two first steel frames 2, and a second steel frame 3 is respectively provided on the two first steel frames 2. The second steel frame 3 is placed parallel to the first steel frame 2. The bottom end of the first steel frame 2 is used to connect the drone 13, and the top end of the second steel frame 3 is used to connect the computing module 12.

[0048] There are three third steel frames 5 , and both ends of the three third steel frames 5 are respectively located between the first steel frame 2 and the second steel frame 3 . The three third steel frames 5 are placed vertically to the first steel frame 2 and the second steel frame 3 . The third steel frames 5 are used to place the binocular cameras 14 .

[0049] In this embodiment, the first steel frame 2 is Π-shaped, and the Π-shaped first steel frame 2 consists of a horizontal frame 10 and two vertical frames 11. A vertical frame 11 is provided at the left and right ends of the horizontal frame 10 respectively. The bottoms of both ends of the third steel frame 5 are fixed to the horizontal frame 10, and the tops of both ends of the third steel frame 5 are provided with second steel frames 3. The left and right ends of the second steel frame 3 are respectively arranged above a vertical frame 11.

[0050] In this embodiment, two first grooves 1 are provided on the cross frame 10, each of the first grooves 1 is connected to a U-shaped groove on the drone 13, and the first steel frame 2 is fixed to the drone 13 by screws passing through the first grooves 1 and the U-shaped grooves on the drone 13 in sequence.

[0051] In this embodiment, a third groove 6 is respectively provided at the upper and lower ends of the two left and right third steel frames 5, each of the third grooves 6 is connected to a first groove 1, and the junction of the third groove 6 and the first groove 1 forms a third steel frame groove intersection point 17, and the first steel frame 2 and the third steel frame 5 are connected and fixed by screws passing through the third steel frame groove intersection point 17.

[0052] In this embodiment, a second groove 4 is provided at the intersection of the horizontal frame 10 and the vertical frame 11, and a sixth groove 15 is provided at the left and right ends of the two second steel frames 3 respectively, each of the sixth grooves 15 is connected to a second groove 4, and a second steel frame groove intersection point 16 is formed at the junction of the sixth groove 15 and the second groove 4, and the first steel frame 2 and the second steel frame 3 are connected and fixed by screws passing through the second steel frame groove intersection point 16.

[0053] In this embodiment, a fourth groove 7 is further provided on the second steel frame 3, and the fourth groove 7 is located between the two sixth grooves 15. A fifth groove 8 is respectively provided at the upper and lower ends of the third steel frame 5 in the middle, and each of the fourth grooves 7 is movably connected to a fifth groove 8. The junction of the fourth groove 7 and the fifth groove 8 forms a first steel frame groove intersection point 9, and the second steel frame 3 and the third steel frame 5 are connected and fixed by screws passing through the first steel frame groove intersection point 9.

[0054] In this embodiment, the relative position between the fourth groove 7 and the fifth groove 8 is adjustable; by moving the fourth groove 7 forward and backward, the position of the first steel frame groove intersection point 9 formed by the corresponding fifth groove 8 and the fourth groove 7 also moves forward and backward, which is used to adjust the front and rear position of the binocular camera 14 to fix it; by moving the fifth groove 8 left and right, the position of the first steel frame groove intersection point 9 formed by the corresponding fourth groove 7 and the fifth groove 8 also moves left and right, which is used to adjust the left and right position of the binocular camera 14 to fix it.

[0055] In this embodiment, the second steel frame 3 and the third steel frame 5 are rectangular in shape.

[0056] In this embodiment, the first groove 1 , the second groove 4 , the third groove 6 , the fourth groove 7 , the fifth groove 8 and the sixth groove 15 are all U-shaped grooves.

[0057] Example 1

[0058] See also Figure 5 This embodiment provides a drone with an expansion bracket, including the above-mentioned expansion bracket, a computing module 12, a drone 13 and a binocular camera 14, and the computing module 12, the drone 13 and the binocular camera 14 are connected to each other.

[0059] In this embodiment, the expansion bracket is arranged between the computing module 12 and the drone 13, and a binocular camera 14 is respectively arranged at the front and rear ends of the expansion bracket.

[0060] In this embodiment, the drone 13 uses a U-Net network core improved by transfer learning, deep separable convolution and dense connection;

[0061] The drone 13 is provided with a tightVNC remote connection;

[0062] The computing module 12 adopts the NVIDIA Jestson Xaiver AGX computing module.

[0063] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. An expansion bracket, characterized in that: It comprises a first steel frame (2), a second steel frame (3) and a third steel frame (5), Two first steel frames (2) are provided, and a second steel frame (3) is provided on each of the two first steel frames (2). The second steel frame (3) is placed parallel to the first steel frame (2). The bottom end of the first steel frame (2) is used to connect to the drone (13), and the top end of the second steel frame (3) is used to connect to the computing module (12). Three third steel frames (5) are provided, and two ends of the three third steel frames (5) are respectively located between the first steel frame (2) and the second steel frame (3), and the three third steel frames (5) are all placed vertically with the first steel frame (2) and the second steel frame (3), and the third steel frames (5) are used to place a binocular camera (14).

2. The expansion bracket according to claim 1, characterized in that: The first steel frame (2) is in a Π-shape, and the Π-shaped first steel frame (2) is composed of a horizontal frame (10) and two vertical frames (11), and a vertical frame (11) is provided at the left and right ends of the horizontal frame (10), respectively, and the bottoms of both ends of the third steel frame (5) are fixed to the horizontal frame (10), and the tops of both ends of the third steel frame (5) are provided with second steel frames (3), and the left and right ends of the second steel frame (3) are respectively arranged above a vertical frame (11).

3. The expansion bracket according to claim 2, characterized in that: The cross frame (10) is provided with two first grooves (1), each of which is connected to a U-shaped groove on a drone (13), and the first steel frame (2) is fixed to the drone (13) by screws passing through the first grooves (1) and the U-shaped grooves on the drone (13) in sequence.

4. The expansion bracket according to claim 3, characterized in that: A third groove (6) is respectively provided at the upper and lower ends of the left and right third steel frames (5), each of the third grooves (6) is connected to a first groove (1), and the junction of the third groove (6) and the first groove (1) forms a third steel frame groove intersection point (17), and the first steel frame (2) and the third steel frame (5) are connected and fixed by screws passing through the third steel frame groove intersection point (17).

5. The expansion bracket according to claim 2, characterized in that: A second groove (4) is provided at the intersection of the horizontal frame (10) and the vertical frame (11), and a sixth groove (15) is provided at the left and right ends of the two second steel frames (3), respectively. Each of the sixth grooves (15) is connected to a second groove (4), and the second groove (4) forms a second steel frame groove intersection point (16) at the intersection of the sixth groove (15) and the second groove (4). The first steel frame (2) and the second steel frame (3) are connected and fixed by screws passing through the second steel frame groove intersection point (16).

6. The expansion bracket according to claim 1, characterized in that: The second steel frame (3) is also provided with a fourth groove (7), the fourth groove (7) is located between the two sixth grooves (15), and a fifth groove (8) is respectively provided at the upper and lower ends of the third steel frame (5), each of the fourth grooves (7) is movably connected to a fifth groove (8), and the first steel frame groove intersection point (9) is formed at the connection between the fourth groove (7) and the fifth groove (8), and the second steel frame (3) and the third steel frame (5) are connected and fixed by screws passing through the first steel frame groove intersection point (9).

7. The expansion bracket according to claim 6, characterized in that: The relative position between the fourth groove (7) and the fifth groove (8) is adjustable; by moving the fourth groove (7) forward and backward, the position of the first steel frame groove intersection point (9) formed by the corresponding fifth groove (8) and the fourth groove (7) also moves forward and backward, which is used to adjust the front and rear position of the binocular camera (14) to make it fixed; by moving the fifth groove (8) left and right, the position of the first steel frame groove intersection point (9) formed by the corresponding fourth groove (7) and the fifth groove (8) also moves left and right, which is used to adjust the left and right position of the binocular camera (14) to make it fixed.

8. The expansion bracket according to claim 1, characterized in that: The second steel frame (3) and the third steel frame (5) are rectangular in shape.

9. A drone with an expansion bracket, characterized in that: It comprises an expansion bracket as described in any one of claims 1 to 8, a computing module (12), a drone (13) and a binocular camera (14), wherein the computing module (12), the drone (13) and the binocular camera (14) are interconnected.

10. The drone with an expansion bracket according to claim 9, characterized in that: The expansion bracket is arranged between the computing module (12) and the drone (13), and a binocular camera (14) is respectively arranged at the front and rear ends of the expansion bracket.

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