Marine wind power foundation-based culture net cage and tensioning method thereof

Abstract

This invention discloses an aquaculture cage based on an offshore wind power foundation and its tensioning method. The aquaculture cage includes a frame foundation, with netting on the bottom and sides of the frame foundation. The netting has an initial state and a tensioned state. The length and width of the frame foundation are L1 and L2, respectively, and the length of the netting in the initial state is L. d1 And L d1 = (1.05~1.1)L1, where the width of the mesh in the initial state is L. d2 L d2 This is the original width of the mesh garment, and L... d2 = (0.9~0.95)L2, where L is the length of the mesh in the taut state. a1 And L a1 =L1, the width of the mesh in the taut state is L a2 And L a2 =L2. The netting of this invention ensures that the netting is taut to an appropriate degree from its initial state to its tensioned state, thereby achieving the desired aquaculture effect.

Description

Technical Field

[0001] This invention relates to the field of offshore wind power technology, and in particular to an aquaculture cage based on an offshore wind power foundation and its tensioning method. Background Technology

[0002] The integration of offshore wind power and aquaculture represents an emerging model of comprehensive marine utilization. It effectively merges two previously separate industries, achieving resource sharing and complementary advantages. By utilizing the space within offshore wind farms, aquaculture facilities can be installed in the gaps or surrounding areas, maximizing the use of marine space resources. For example, the foundation structure of the wind turbine can be designed to simultaneously support aquaculture cages.

[0003] However, when net cages are installed inside the guide frame, especially in deep sea areas, there is a problem with the nets not being able to be stretched taut. As a result, when marine organisms grow on the nets and cleaning is needed, the entire net is too loose to allow the net-washing robot to automatically clean it. Instead, divers have to be sent into the sea to clean it. In addition, the easily deformable nets will deform as the seawater current increases, affecting the volume of aquaculture, impacting the living space of fish, and causing fish to die. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the related art.

[0005] Therefore, embodiments of the present invention propose an aquaculture cage based on offshore wind power infrastructure to make reasonable use of marine space resources and ensure aquaculture results.

[0006] The aquaculture cage based on offshore wind power foundation in this embodiment of the invention includes a frame foundation. The bottom surface and multiple sides of the frame foundation are provided with netting. The netting has an initial state and a tensioned state. The distance between the frame foundation and the netting in the length direction is L1, and the distance between the frame foundation and the netting in the width direction is L2.

[0007] In the initial state, the mesh is connected to the frame foundation at both ends along its length, and the distance between the two ends of the mesh along its length is L. d1 L d1 L is the original length of the mesh, and L d1 = (1.05~1.1)L1, where L is the distance between the two ends of the mesh in its width direction. d2 L d2 L is the original width of the mesh, and L d2 = (0.9~0.95)L2;

[0008] In the tensioned state, both ends of the mesh in its length direction and both ends of the mesh in its width direction are connected to the frame foundation, and the distance between the two ends of the mesh in its length direction is L. a1 L a1 L is the assembly length of the mesh garment. a1 =L1, where L is the distance between the two ends of the mesh in its width direction. a2 L a2 L is the assembly width of the mesh garment. a2 =L2.

[0009] The aquaculture cage based on offshore wind power in this embodiment of the invention ensures that the netting is tensioned to an appropriate degree from the initial state to the tensioned state, thereby achieving the expected aquaculture effect.

[0010] In some embodiments, from the initial state to the tensioned state, the distance between the two ends of the mesh in its length direction is L. d1 Shortened to L a1 The amount of shortening is defined as S, where the distance between the two ends of the mesh in its width direction is L. d2 Elongated to L a2 Let its elongation be defined as E, and the physical quantity relating the shortening and elongation be U, where U = S / E and U > 1.

[0011] In some embodiments, the mesh on the bottom surface of the frame base is defined as a first mesh;

[0012] In the initial state, the first mesh is connected to the frame base at both ends along its length.

[0013] In the tensioned state, both ends of the first mesh in its length direction and both ends of the first mesh in its width direction are connected to the frame base.

[0014] In some embodiments, the mesh on the side of the frame base is defined as a second mesh;

[0015] In the initial state, the second mesh is connected to the frame base at both ends along its length.

[0016] In the tensioned state, the second mesh is connected to the frame base at both ends in its length direction, the upper end of the second mesh is connected to the frame base in its width direction, and a hanging member is provided at the lower end of the second mesh in its width direction, and the lower end of the second mesh in its width direction is in close contact with the frame base.

[0017] In some embodiments, there are multiple suspension members, which are spaced apart along the length of the second mesh.

[0018] In some embodiments, the mesh has a plurality of first slip rings at both ends in its length direction, and the first slip rings are fitted onto the frame.

[0019] In some embodiments, the mesh on the bottom surface of the frame base is provided with a plurality of second slip rings at both ends in the width direction, and the second slip rings are fitted onto the frame base.

[0020] In some embodiments, the mesh on the side of the frame base has a plurality of third slip rings at its upper end in the width direction, and the third slip rings are fitted onto the frame base.

[0021] In some embodiments, the gap size between the first slip ring, the second slip ring, and the third slip ring and the frame base is smaller than the mesh size of the mesh.

[0022] The embodiments of the present invention also propose a tensioning method for aquaculture cages based on offshore wind power foundations.

[0023] The tensioning method of this invention is used in any of the above embodiments for aquaculture cages based on offshore wind power foundations, the tensioning method comprising:

[0024] The two ends of the mesh in its length direction are connected to the frame base;

[0025] The mesh is stretched along its width direction to reduce its length and increase its width.

[0026] After the shrinkage and elongation reach the preset values, connect the two ends of the mesh in its width direction to the frame base. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of an aquaculture cage based on an offshore wind power foundation according to an embodiment of the present invention.

[0028] Figure 2 This is a schematic diagram illustrating the framework of an embodiment of the present invention.

[0029] Figure 3 This is a schematic diagram comparing the initial state of the mesh and the dimensions of the frame foundation according to an embodiment of the present invention.

[0030] Figure 4 This is a schematic diagram of the initial state of the first mesh garment according to an embodiment of the present invention.

[0031] Figure 5 This is a schematic diagram of the installation process of the first mesh garment according to an embodiment of the present invention.

[0032] Figure 6 This is a schematic diagram of the tension state of the first mesh garment according to an embodiment of the present invention.

[0033] Figure 7 This is a schematic diagram of the initial state of the second mesh garment according to an embodiment of the present invention.

[0034] Figure 8 This is a schematic diagram of the installation process of the second mesh garment according to an embodiment of the present invention.

[0035] Figure 9 This is a schematic diagram of the tension state of the second mesh garment according to an embodiment of the present invention.

[0036] Figure label:

[0037] Wind power foundation 100, aquaculture cage 200

[0038] Frame base 11, mesh 12, first mesh 121, second mesh 122, suspension component 123, first slip ring 124, second slip ring 125, third slip ring 126. Detailed Implementation

[0039] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0040] The following describes an embodiment of the aquaculture cage based on an offshore wind power foundation, with reference to the accompanying drawings.

[0041] like Figure 1 As shown, the aquaculture cage 200 is designed in conjunction with the wind power foundation 100, and the aquaculture cage 200 is installed inside the jacket frame.

[0042] In this embodiment of the invention, the aquaculture cage based on offshore wind power includes a frame foundation 11. The frame foundation 11 is designed according to the central space structure of the jacket, for example, the frame foundation 11 is cuboid or frustum-shaped.

[0043] Optionally, the frame foundation 11 consists of multiple interconnected support rods to form a spatial structure in which each surface is a quadrilateral, wherein the bottom and top surfaces are squares and the four sides are isosceles trapezoids.

[0044] The bottom surface and four sides of the frame foundation 11 are provided with netting 12. The netting 12 has an initial state and a tensioned state. The distance between the frame foundation 11 and the netting 12 in the length direction is L1, and the distance between the frame foundation 11 and the netting 12 in the width direction is L2.

[0045] It should be noted that the length and width directions of the mesh 12 located on different surfaces of the frame foundation 11 are different. For example, the length direction of the mesh 12 located on the bottom, front, and rear surfaces of the frame foundation 11 refers to the left-right direction in the figure; the length direction of the mesh 12 located on the left and right sides of the frame foundation 11 refers to the front-back direction in the figure. The width direction of the mesh 12 located on the bottom surface of the frame foundation 11 refers to the front-back direction in the figure; and the width direction of the mesh 12 located on the four sides of the frame foundation 11 refers to the top-bottom direction in the figure.

[0046] For ease of description, the bottom surface of the frame foundation 11 in this embodiment of the invention is square, that is, the length of the frame foundation 11 in the left and right directions is the same as the width of the frame foundation 11 in the front and back directions.

[0047] like Figure 4 and Figure 7 As shown, the mesh 12 is in its initial state, meaning it is not yet tensioned, and its left and right ends are connected to the frame base 11. For ease of illustration, the mesh 12 is shown unfolded to highlight the difference between the length of the mesh 12 and the length of the frame base 11. Those skilled in the art will understand that "connected" refers to the link or contact between objects.

[0048] Taking the mesh 12 located on the bottom surface of the frame foundation 11 as an example, such as Figure 3 As shown, the distance between the left and right ends of the mesh garment 12 is L. d1 L d1 The original length of the mesh garment is 12, and L... d1 = (1.05~1.1)L1, that is, the original length of the mesh 12 is greater than the length of the frame foundation 11. The distance between the front and rear ends of the mesh 12 is L. d2 L d2 The original width of mesh garment 12, and L d2 = (0.9~0.95)L2, that is, the original width of the mesh 12 located on the bottom surface of the frame foundation 11 is smaller than the width of the frame foundation 11. The mesh 12 on the other surfaces is the same as in the example above, and will not be described again here.

[0049] like Figure 6 and Figure 9 As shown, the mesh 12 is in a taut state, that is, the mesh 12 is taut to a suitable degree. At this time, both ends of the mesh 12 in its length direction and both ends of the mesh 12 in its width direction are connected to the frame foundation 11.

[0050] The distance between the two ends of the mesh 12 along its length is L. a1 La1 The assembly length of mesh garment 12 is L. a1 =L1. The distance between the two ends of the mesh garment 12 in its width direction is L. a2 L a2 The assembly width of mesh garment 12, and L a2 =L2.

[0051] In other words, stretching the mesh 12 in the width direction shortens its length to match the length of the frame base 11 and lengthens its width to match the width of the frame base 11, thus not only achieving the sealing effect on that side of the frame base 11, but also providing a tensioning effect on the mesh 12.

[0052] Furthermore, by limiting L d1 Between L1 and L d2 The ratio between L2 and L2 is used to ensure that the netting 12 is stretched to the appropriate degree from its initial state to its taut state, avoiding breakage, thereby achieving the desired aquaculture effect.

[0053] Furthermore, from the initial state to the tensioned state, the distance between the two ends of the mesh 12 in its length direction changes from L... d1 Shortened to L a1 The amount of shortening is defined as S. The distance between the two ends of the mesh 12 in its width direction is L. d2 Elongated to L a2 The elongation is defined as E. The physical quantity relating the shortening and elongation is U, and U = S / E, U > 1.

[0054] It is understood that when the mesh 12 is stretched in one direction, the threads or fibers parallel to the stretching direction will elongate, while the threads or fibers perpendicular to it will shorten. The mesh 12 in this embodiment is made of anisotropic material, such as elastic fiber or certain composite materials. The difference in elongation and shortening in different directions—the elongation of the threads or fibers in the stretching direction being less than the shortening in the direction perpendicular to it—improves the stability of the stretching process and prevents excessive elongation of the threads or fibers in the stretching direction, thus avoiding breakage.

[0055] In some embodiments, such as Figures 4 to 6 As shown, the mesh 12 on the bottom surface of the frame base 11 is defined as the first mesh 121.

[0056] Among them, such as Figure 4 As shown, the first mesh 121 is in its initial state, and its left and right ends are connected to the frame base 11. Figure 5As shown, during the installation of the first mesh cover 121, either its front or rear end is first connected to the frame foundation 11. Then, as... Figure 6 As shown, the other ends of the front and rear ends of the first mesh 121 are then connected to the frame foundation 11. Thus, the first mesh 121 seals the bottom surface of the frame foundation 11.

[0057] like Figures 7 to 9 As shown, the mesh 12 on the side of the frame base 11 is defined as the second mesh 122.

[0058] Among them, such as Figure 7 As shown, the second mesh 122 is in its initial state, and its left and right ends are connected to the frame base 11. Figure 8 As shown, during installation, the upper end of the second mesh 122 is connected to the frame base 11. Then, as... Figure 9 As shown, a hanging member 123 is provided at the lower end of the second mesh 122 so that the lower end of the second mesh 122 is in close contact with the frame foundation 11. Thus, the second mesh 122 blocks the side of the frame foundation 11.

[0059] And, as Figure 9 As shown, there are multiple suspension components 123, which are spaced apart in the left and right directions to achieve uniform force application.

[0060] Understandably, the lower end of the second netting 122 usually extends beyond the frame base 11 and is sealed by suspending heavy objects. The purpose is to make the side netting 12 adaptable when subjected to wave fluctuations and to improve the service life of the netting 12.

[0061] In some embodiments, such as Figures 4 to 9 As shown, the mesh 12 located on the bottom surface and four sides of the frame base 11 has multiple first slip rings 124 at both ends in the length direction, and the first slip rings 124 are fitted onto the frame base 11.

[0062] Understandably, the mesh 12 is connected to the frame base 11 via the first slip ring 124, so that the mesh 12 can slide relative to the frame base 11 during the stretching process, ensuring the effectiveness and rationality of the stretching.

[0063] Optionally, such as Figure 5 and Figure 6 As shown, the mesh 12 located on the bottom surface of the frame foundation 11 has multiple second slip rings 125 at its front and rear ends, and the second slip rings 125 are fitted onto the frame foundation 11. Figure 8 and Figure 9As shown, the mesh 12 located on the side of the frame base 11 has multiple third slip rings 126 at its upper end, and the third slip rings 126 are fitted onto the frame base 11.

[0064] Therefore, a slip ring is a low-friction connector that provides smooth movement between the netting 12 and the frame base 11, thereby reducing wear and damage and maintaining the stability and integrity of the structure. This is particularly important for the netting 12, which is used in marine environments for extended periods, as wear can damage the netting 12, affecting its function and lifespan.

[0065] The slip ring allows the netting 12 to move freely within a certain range, which is highly beneficial for the adjustment and maintenance of the aquaculture cage 200. For example, if the netting 12 needs adjustment or repair after being tensioned, the slip ring can easily move the netting 12 without disassembling the entire cage structure. Furthermore, it allows the netting 12 some room to move when affected by ocean current changes, thereby reducing damage caused by stress concentration and extending its service life.

[0066] In addition, the gap size between the first slip ring 124, the second slip ring 125 and the third slip ring 126 and the frame base 11 is smaller than the mesh size of the net 12, so as to prevent fish from escaping from the aquaculture net cage 200 through the gap.

[0067] The tensioning method of aquaculture cages based on offshore wind power foundations according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0068] The tensioning method of this invention is used in any of the above embodiments for aquaculture cages based on offshore wind power foundations. The tensioning method includes:

[0069] like Figures 4 to 6 As shown, for the mesh 12 on the bottom surface of the frame foundation 11, first connect the left and right ends of the mesh 12 to the frame foundation 11 through slip rings, and then stretch the mesh 12 in the front and back direction so that the length of the mesh 12 shrinks and the width of the mesh 12 stretches. After the shrinkage and stretching reach the preset values, connect the front and back ends of the mesh 12 to the frame foundation 11 through slip rings.

[0070] Similarly, such as Figures 7 to 9 As shown, for the mesh 12 on the side of the frame base 11, first connect the left and right ends of the mesh 12 to the frame base 11 through slip rings, and then stretch the mesh 12 in the up and down direction so that the length of the mesh 12 shrinks and the width of the mesh 12 stretches. After the shrinkage and stretching reach the preset values, connect the upper end of the mesh 12 to the frame base 11 through slip rings, and suspend a weight at the lower end of the mesh 12.

[0071] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0072] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0073] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0074] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0075] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0076] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. An aquaculture cage based on an offshore wind power foundation, characterized in that, Includes a frame foundation, on which a mesh is provided on the bottom surface and multiple sides. The mesh has an initial state and a tensioned state. The distance between the frame foundation and the mesh in the length direction is L1, and the distance between the frame foundation and the mesh in the width direction is L2. In the initial state, the mesh is connected to the frame foundation at both ends along its length, and the distance between the two ends of the mesh along its length is L. d1 L d1 L is the original length of the mesh, and L d1 = (1.05~1.1)L1, where L is the distance between the two ends of the mesh in its width direction. d2 L d2 L is the original width of the mesh, and L d2 = (0.9~0.95)L2; In the tensioned state, both ends of the mesh in its length direction and both ends of the mesh in its width direction are connected to the frame foundation, and the distance between the two ends of the mesh in its length direction is L. a1 L a1 L is the assembly length of the mesh garment. a1 =L1, where L is the distance between the two ends of the mesh in its width direction. a2 L a2 L is the assembly width of the mesh garment. a2 =L2.

2. The aquaculture cage based on an offshore wind power foundation as described in claim 1, characterized in that, From the initial state to the tensioned state, the distance between the two ends of the mesh in its length direction increases from L. d1 Shortened to L a1 The amount of shortening is defined as S, where the distance between the two ends of the mesh in its width direction is L. d2 Elongated to L a2 Let its elongation be defined as E, and the physical quantity relating the shortening and elongation be U, where U = S / E and U > 1.

3. The aquaculture cage based on an offshore wind power foundation as described in claim 2, characterized in that, The mesh on the bottom surface of the frame foundation is defined as the first mesh; In the initial state, the first mesh is connected to the frame base at both ends along its length. In the tensioned state, both ends of the first mesh in its length direction and both ends of the first mesh in its width direction are connected to the frame base.

4. The aquaculture cage based on an offshore wind power foundation as described in claim 2, characterized in that, The mesh on the side of the frame base is defined as the second mesh; In the initial state, the second mesh is connected to the frame base at both ends along its length. In the tensioned state, the second mesh is connected to the frame base at both ends in its length direction, the upper end of the second mesh is connected to the frame base in its width direction, and a hanging member is provided at the lower end of the second mesh in its width direction, and the lower end of the second mesh in its width direction is in close contact with the frame base.

5. The aquaculture cage based on an offshore wind power foundation according to claim 4, characterized in that, The suspension members are multiple, and the multiple suspension members are spaced apart along the length direction of the second mesh.

6. The aquaculture cage based on an offshore wind power foundation according to any one of claims 1-5, characterized in that, The mesh has multiple first slip rings at both ends along its length, and the first slip rings are fitted onto the frame.

7. The aquaculture cage based on an offshore wind power foundation as described in claim 6, characterized in that, The mesh on the bottom surface of the frame base has multiple second slip rings at both ends in the width direction, and the second slip rings are fitted onto the frame base.

8. The aquaculture cage based on an offshore wind power foundation according to claim 7, characterized in that, The mesh on the side of the frame base has a plurality of third slip rings at its upper end in the width direction, and the third slip rings are fitted onto the frame base.

9. The aquaculture cage based on an offshore wind power foundation according to claim 8, characterized in that, The gap between the first slip ring, the second slip ring, and the third slip ring and the frame foundation is smaller than the mesh size of the mesh.

10. A method for tensioning aquaculture cages based on offshore wind power foundations, characterized in that, The tensioning method is used for aquaculture cages based on offshore wind power foundations according to any one of claims 1-9, the tensioning method comprising: The two ends of the mesh in its length direction are connected to the frame base; The mesh is stretched along its width direction to reduce its length and increase its width. After the shrinkage and elongation reach the preset values, connect the two ends of the mesh in its width direction to the frame base.

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