A fixed-wing corrugated structure and a fixed-wing unmanned aerial vehicle

Abstract

The present invention discloses a fixed-wing corrugated structure and a fixed-wing unmanned aerial vehicle. The fixed-wing unmanned aerial vehicle includes the fixed-wing corrugated structure. The fixed-wing corrugated structure includes an upper skin and a lower skin. A modular support member is further provided between the upper skin and the lower skin. A plurality of first convex portions connected to the upper skin protrude from one side of the modular support member, and a plurality of second convex portions connected to the lower skin protrude from the other side. By providing the modular support member to support the upper skin and the lower skin, during the assembly process, it is only necessary to integrally install the modular support member between the upper skin and the lower skin, which simplifies the assembly process. By providing the first convex portions and the second convex portions, the contact area with the upper skin and the lower skin is increased, which is beneficial to the improvement of the structural strength.

Description

Technical Field

[0001] The present invention relates to the technical field of flight devices, and particularly to a fixed-wing corrugated structure and a fixed-wing unmanned aerial vehicle (UAV). Background Art

[0002] UAVs have great advantages such as being able to adapt to complex and harsh environments, not requiring human driving, and not causing human losses, so they have been more and more widely used. Currently, UAV technologies have been used in fields such as remote sensing measurement and control, aerial photography measurement and control, and environmental investigation. With the increase in applications, UAV technology has become increasingly popular and the types of UAVs have tended to be diversified;

[0003] Among them, fixed-wing UAVs account for a large proportion in the field of UAVs. The wing is one of the important components that provide lift for fixed-wing UAVs. The shape and internal structure of the wing play a crucial role. The interiors of the wings of existing fixed-wing UAVs are mostly supported by assembling foam, balsa wood, and composite materials. Although the above structures can reduce the weight of the wing to a certain extent, their structures are complex, the number of components is numerous, it is not convenient for assembly, the production efficiency is affected, and the structural strength is not good. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: to provide a fixed-wing corrugated structure and a fixed-wing UAV that are convenient for assembly.

[0005] To solve the above technical problem, the technical solution adopted by the present invention is: a fixed-wing corrugated structure, including an upper skin and a lower skin, and modular supports are further provided between the upper skin and the lower skin. One side of the modular support protrudes with a plurality of first protrusion parts connected to the upper skin, and the other side protrudes with a plurality of second protrusion parts connected to the lower skin.

[0006] To solve the above technical problem, the present invention also provides a fixed-wing UAV, including the above fixed-wing corrugated structure.

[0007] The beneficial effects of the present invention are as follows: The fixed-wing corrugated structure and the fixed-wing UAV provided by the present invention have the characteristics of being convenient for assembly and having high structural strength. Modular supports are provided to support the upper skin and the lower skin to form a corrugated structure. During the assembly process, only the modular supports need to be integrally installed between the upper skin and the lower skin, which simplifies the assembly process. The first protrusion parts and the second protrusion parts are provided to increase the contact area with the upper skin and the lower skin, which is beneficial to the improvement of the structural strength. Brief Description of the Drawings

[0008] Figure 1 It is an exploded view of the fixed-wing corrugated structure according to an embodiment of the present invention;

[0009] Figure 2 ForFigure 1 Detail view of location A in [the structure];

[0010] Figure 3 is Figure 1 Detail view of location B in [the structure].

[0011] Label description:

[0012] 1. Upper skin; 2. Modular support member; 21. First convex portion; 22. Second convex portion; 23. Through hole; 24. First connection portion; 25. Second connection portion; 26. Step portion; 3. Lower skin; 4. Modular side rib; 41. Adhesive portion; 42. Adhesive groove. Specific implementation mode

[0013] To describe in detail the technical content, achieved object and effect of the present invention, the following is described in conjunction with the implementation modes and with reference to the attached drawings.

[0014] Please refer to Figures 1 to 3 , a fixed-wing corrugated structure, including an upper skin 1 and a lower skin 3, a modular support member 2 is further provided between the upper skin 1 and the lower skin 3, and a plurality of first convex portions 21 connected to the upper skin 1 are convexly provided on one side of the modular support member 2, and a plurality of second convex portions 22 connected to the lower skin 3 are convexly provided on the other side.

[0015] As can be seen from the above description, the beneficial effect of the present invention is that: the modular support member 2 is provided to support the upper skin 1 and the lower skin 3 to form a corrugated structure. During the assembly process, only the modular support member 2 needs to be integrally installed between the upper skin 1 and the lower skin 3, which simplifies the assembly process. The first convex portions 21 and the second convex portions 22 are provided to increase the contact area with the upper skin 1 and the lower skin 3, which is beneficial to the improvement of the structural strength.

[0016] Further, the modular support member 2 is made of carbon fiber material.

[0017] As can be seen from the above description, the carbon fiber material has the characteristics of good designability, high strength, high modulus, and light and hard texture. The modular support member 2 made of carbon fiber material has higher structural strength and lighter weight.

[0018] Further, a plurality of through holes 23 are further provided on the modular support member 2.

[0019] As can be seen from the above description, by providing a plurality of the through holes 23 on the modular support member 2, the weight of the modular support member 2 is further reduced.

[0020] Further, the number of the modular support members 2 is multiple.

[0021] As can be seen from the above description, the number of the modular supports 2 can be set according to actual application requirements.

[0022] Furthermore, a first connection portion 24 is provided at one end of each modular support 2, and a second connection portion 25 that cooperates with the first connection portion 24 is provided at the other end.

[0023] As can be seen from the above description, the first connection portion 24 and the second connection portion 25 facilitate the assembly connection between the modular supports 2.

[0024] Furthermore, a step portion 26 is further provided on the modular support 2, and the first connection portion 24 or the second connection portion 25 is provided on the step portion 26.

[0025] As can be seen from the above description, the step portion 26 can play a role in positioning and fixing the connection of the two modular supports 2, further improving the convenience of assembly.

[0026] Furthermore, it further includes a plurality of modular side stiffeners 4, and the modular side stiffeners 4 are connected to opposite sides of the upper skin 1 and opposite sides of the lower skin 3.

[0027] As can be seen from the above description, the modular side stiffeners 4 strengthen the reliability of the connection between the upper skin 1 and the lower skin 3.

[0028] Furthermore, an adhesive groove 42 that cooperates with the other end is provided at one end of each modular side stiffener 4.

[0029] As can be seen from the above description, the adhesive groove 42 facilitates the connection between the modular side stiffeners 4.

[0030] Furthermore, an adhesive portion 41 for bonding with the upper skin 1 and the lower skin 3 is further provided on the modular side stiffener 4.

[0031] To solve the above technical problems, the present invention further provides a fixed-wing unmanned aerial vehicle, including the above fixed-wing corrugated structure.

[0032] Embodiment 1

[0033] Please refer to Figures 1 to 3, Embodiment 1 of the present invention is: a fixed-wing unmanned aerial vehicle, including a fuselage and a fixed-wing corrugated structure mounted on the fuselage. The fixed-wing corrugated structure includes an upper skin 1 and a lower skin 3. A modular support member 2 is further provided between the upper skin 1 and the lower skin 3. One side of the modular support member 2 protrudes with a plurality of first protruding portions 21 connected to the upper skin 1, and the other side protrudes with a plurality of second protruding portions 22 connected to the lower skin 3. Specifically, the modular support member 2 is an integrally formed one-piece structure. When the modular support member 2 is combined with the upper skin 1 and the lower skin 3, it is fixedly combined in a glued manner, but this is not limited to this method. More specifically, the material of the modular support member 2 is carbon fiber material. The carbon fiber material has the characteristics of good designability, high strength, high modulus, and light and hard texture. The modular support member 2 made of carbon fiber material has higher structural strength and lighter weight.

[0034] In this embodiment, the first protruding portions 21 and the second protruding portions 22 are staggered. That is to say, looking at the side wall of the modular support member 2 where the first protruding portions 21 are provided, the second protruding portions 22 are in a concave shape; correspondingly, looking at the side wall of the modular support member 2 where the second protruding portions 22 are provided, the first protruding portions 21 are in a concave shape.

[0035] Preferably, a plurality of through holes 23 are further provided on the modular support member 2. In this way, the weight of the modular support member 2 is further reduced; specifically, the through holes 23 are provided on both the first protruding portions 21 and the second protruding portions 22.

[0036] Optionally, the number of the modular support members 2 is multiple, and the number of the modular support members 2 can be set according to actual application requirements; in this way, for wings of different sizes, a plurality of the modular support members 2 can be spliced and assembled to form a shape that meets the design requirements.

[0037] Preferably, one end of each modular support member 2 is provided with a first connection portion 24, and the other end is provided with a second connection portion 25 that cooperates with the first connection portion 24. The first connection portion 24 and the second connection portion 25 facilitate the assembly connection between the modular support members 2; specifically in this embodiment, the first connection portion 24 and the second connection portion 25 are both blind holes for stretching provided on the modular support member 2. Through the cooperation of the two blind holes for stretching, the positioning and fixing of the two modular support members 2 are realized; as an option, the first connection portion 24 and the second connection portion 25 can be bonded with glue, and specific selection can be made according to actual application requirements, which will not be elaborated here one by one.

[0038] Preferably, a stepped portion 26 is further provided on the modular support member 2, and the first connecting portion 24 or the second connecting portion 25 is provided on the stepped portion 26. The stepped portion 26 can play a role in positioning and fixing the connection of the two modular support members 2, further improving the convenience of assembly.

[0039] In this embodiment, the fixed-wing corrugated structure further includes a plurality of modular side ribs 4. The opposite sides of the upper skin 1 and the opposite sides of the lower skin 3 are both connected with the modular side ribs 4. Specifically, one end of each modular side rib 4 is provided with an adhesive groove 42 that cooperates with the other end thereof, so that it is convenient for bonding between the modular side ribs 4; more specifically, the modular side rib 4 is further provided with an adhesive portion 41 for bonding with the upper skin 1 and the lower skin 3. The number of the adhesive portions 41 on each modular side rib 4 is at least two, and at least one of the adhesive portions 41 is bonded to the upper skin 1, and at least one of the adhesive portions 41 is bonded to the lower skin 3; in detail, the material of the modular side rib 4 is a carbon fiber material, and the modular side rib 4 is an integrally formed one-piece structure.

[0040] In summary, the fixed-wing corrugated structure and the fixed-wing unmanned aerial vehicle provided by the present invention have the characteristics of being convenient for assembly and having high structural strength. The modular support members are provided to support the upper skin and the lower skin. During the assembly process, only the modular support members need to be integrally installed between the upper skin and the lower skin, which simplifies the assembly process. The first convex portion and the second convex portion are provided to increase the contact area with the upper skin and the lower skin, which is beneficial to the improvement of the structural strength; the material of the modular support member is a carbon fiber material and is provided with a plurality of through holes, which ensures the structural strength of the modular support member while reducing its weight.

[0041] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent transformation made by using the specification and drawings of the present invention, or directly or indirectly applied in related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A fixed-wing corrugated structure, comprising an upper skin and a lower skin, characterized in that, A modular support member is further provided between the upper skin and the lower skin. A plurality of first convex portions connected to the upper skin are convexly provided on one side of the modular support member, and a plurality of second convex portions connected to the lower skin are convexly provided on the other side. The number of the modular support members is plural. A first connection portion is provided at one end of each modular support member, and a second connection portion that cooperates with the first connection portion on another modular support member is provided at the other end. Both the first connection portion and the second connection portion are blind rivet holes provided on the modular support member. Adjacent two modular support members are positioned and fixed through the cooperation of the two blind rivet holes. A stepped portion is further provided on the modular support member, and the first connection portion or the second connection portion is provided on the stepped portion.

2. The fixed-wing corrugated structure according to claim 1, wherein The modular support member is made of carbon fiber material.

3. The fixed-wing corrugated structure according to claim 1, characterized in that, A plurality of through holes are further provided on the modular support member.

4. The fixed-wing corrugated structure according to claim 1, characterized in that, It further includes a plurality of modular side stiffeners, and the modular side stiffeners are connected to opposite sides of the upper skin and opposite sides of the lower skin.

5. The fixed-wing corrugated structure according to claim 4, wherein An adhesive groove that cooperates with the other end is provided at one end of each modular side stiffener.

6. The fixed-wing corrugated structure according to claim 4, wherein The modular side stiffener is further provided with an adhesive portion for adhering to the upper skin and the lower skin.

7. A fixed-wing unmanned aerial vehicle, characterized in that, It includes the fixed-wing corrugated structure according to any one of claims 1-6.

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