Magnetic suspension double-cylinder and plane combined wave energy collection structure

Abstract

This invention relates to a wave energy harvesting structure combining a magnetically levitated double-cylinder and planar assembly, specifically comprising: a top cover and a bottom cover fixedly installed at the upper and lower ends of the cylinders; a rotating shaft fixedly installed in the central hole of the top and bottom covers; a linear bearing 1 and a linear bearing 2 mounted on the shaft; linear bearing 2 fixedly connected to a buoyancy block, and the buoyancy block fixedly connected to a magnet 2; linear bearing 1 fixedly connected to magnet 1, and magnet 1 forming a sealed cavity with a sealing cover; an upper inner cylinder and a lower inner cylinder with horizontal and vertical electrode structures fixedly installed at the top and bottom of the sealed cavity; and an outer cylinder with horizontal and vertical triboelectric power generation structures installed between spring 1 and spring 2. The advantages are: the overall structure can be fixedly installed on buoys and other marine targets; the cylindrical structure not only converts the irregular motion of ocean waves into single-degree-of-freedom motion along the axial direction, but also has excellent self-protection capabilities, increasing the structure's service life.

Description

Technical Field

[0001] This invention relates to a wave energy harvesting structure combining a magnetically levitated double cylinder and a plane, belonging to the field of wave energy harvesting technology. Background Technology

[0002] Despite decades of development, traditional electromagnetic ocean energy generation equipment still faces limitations in wave energy harvesting. The irregular motion and low frequency of waves severely hinder the widespread adoption of such equipment. Furthermore, the generally high equipment and installation / maintenance costs directly restrict the application of wave energy generation equipment based on electromagnetic principles.

[0003] Nano-triboelectric generators have attracted widespread attention across various industries due to their numerous application advantages. A novel energy harvesting technology based on triboelectricity and electrostatic induction, nano-triboelectric generators are characterized by their ability to effectively utilize low-frequency mechanical energy for power generation. This provides a new approach to ocean energy harvesting and is an indispensable part of the future recyclable energy field.

[0004] Nano-triboelectric generators are characterized by their simple structure and low cost, which makes them highly scalable. They also have low overall structural mass and are easy to install and maintain. They have already been applied in some self-powered fields and will provide more solutions in the future in fields such as marine engineering, machinery manufacturing, rail transportation, and aerospace. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a vertical contact separation wave energy harvesting structure that is inexpensive, simple in structure, stable and reliable, has a long working life and can be easily installed.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0007] A magnetically levitated wave energy harvesting structure combining a double-cylinder and a planar structure comprises: a top cover (1) and a bottom cover (8) fixedly installed at the upper and lower ends of the cylinder (2); a shaft (15) fixedly installed in the center hole of the top cover (1) and the bottom cover (8); circular holes for seawater and air to freely enter and exit are provided around the top cover (1) and the bottom cover (8); a linear bearing one (14) and a linear bearing two (9) are installed on the shaft (15); the linear bearing two (9) is fixedly connected to the buoyancy block (7); and the buoyancy block... The force block (7) is fixedly connected to the second magnet (6); the linear bearing (14) is fixedly connected to the first magnet (10), and the first magnet (10) and the sealing cover (12) form a sealed cavity; the top and bottom of the sealed cavity are fixedly installed with an upper inner cylinder (301) and a lower inner cylinder (503) with horizontal and vertical electrode structures, and the outer sides of the cylinder walls of the upper inner cylinder (301) and the lower inner cylinder (503) are respectively bonded with a third upper vertical friction layer (302) and a third lower vertical friction layer (501), and the upper inner cylinder The lower surface of (301) is bonded with the third upper horizontal friction layer (303), and the upper surface of the lower inner cylinder (503) is bonded with the third lower horizontal friction layer (502); the outer cylinder (401) with horizontal and vertical friction power generation structure is installed between spring one (13) and spring two (11). The upper inner wall of the outer cylinder (401) is bonded with the first upper vertical friction layer (402) and the second upper vertical friction layer (403). The upper inner surface of the outer cylinder (401) is bonded with the first upper horizontal friction layer (404) and the second upper horizontal friction layer (405). The lower inner wall of the outer cylinder (401) is bonded with the first lower vertical friction layer (406) and the second lower vertical friction layer (407). The lower inner surface of the outer cylinder (401) is bonded with the first lower horizontal friction layer (408) and the second lower horizontal friction layer (409). The top of spring one (13) is fixedly installed at the top of the sealing cavity, and the bottom of spring two (11) is fixedly installed at the bottom of the sealing cavity.

[0008] The advantages of this invention are: the overall structure can be fixedly installed on buoys and other marine targets; the cylindrical structure not only transforms the irregular motion of ocean waves into a single degree of freedom motion along the axial direction, but also has excellent self-protection capabilities, increasing the working life of the structure. Attached Figure Description

[0009] Figure 1 The cross-section of the wave energy harvesting structure is shown;

[0010] Figure 2 Showing a front view of the top cover.

[0011] Figure reference numerals:

[0012] 1. Top cover

[0013] 2. Cylinder

[0014] 301 Inner Tube

[0015] 302 Third Upper Vertical Friction Layer

[0016] 303 Third upper horizontal friction layer

[0017] 401 outer cylinder

[0018] 402 First Upper Vertical Friction Layer

[0019] 403 Second Upper Vertical Friction Layer

[0020] 404 First Upper Horizontal Friction Layer

[0021] 405 Second upper horizontal friction layer

[0022] 406 First Lower Vertical Friction Layer

[0023] 407 Second Lower Vertical Friction Layer

[0024] 408 First Lower Horizontal Friction Layer

[0025] 409 Second Lower Horizontal Friction Layer

[0026] 501 Third Lower Vertical Friction Layer

[0027] 502 Third Lower Horizontal Friction Layer

[0028] 503 Lower Inner Tube

[0029] 6 Magnets

[0030] 7 Buoyancy blocks

[0031] 8. Bottom Cover

[0032] 9. Linear bearing II

[0033] 10 magnets

[0034] 11 Spring Two

[0035] 12 Sealing cap

[0036] 13 Spring 1

[0037] 14 Linear Bearings

[0038] 15-axis Detailed Implementation

[0039] Figure 1The diagram shows a cross-section of a wave energy harvesting structure. This embodiment describes a magnetically levitated wave energy harvesting structure combining a double-cylinder and a planar structure, specifically comprising: a top cover 1 and a bottom cover 8 fixedly mounted at the upper and lower ends of cylinder 2; a shaft 15 fixedly mounted in the center hole of the top cover 1 and bottom cover 8; circular holes around the top cover 1 and bottom cover 8 for free entry and exit of seawater and air; linear bearing 14 and linear bearing 9 mounted on shaft 15; linear bearing 9 fixedly connected to buoyancy block 7; buoyancy block 7 fixedly connected to magnet 6; linear bearing 14 fixedly connected to magnet 10; magnet 10 and sealing cover 12 forming a sealed cavity; an upper inner cylinder 301 and a lower inner cylinder 503 with horizontal and vertical electrode structures fixedly mounted at the top and bottom of the sealed cavity; a third upper vertical friction layer 302 and a third lower vertical friction layer 303 respectively bonded to the outer walls of the upper inner cylinder 301 and lower inner cylinder 503. Layer 501, the lower surface of the upper inner cylinder 301 is bonded with the third upper horizontal friction layer 303, and the upper surface of the lower inner cylinder 503 is bonded with the third lower horizontal friction layer 502; the outer cylinder 401 with horizontal and vertical triboelectric structures is installed between spring 13 and spring 21, the upper inner wall of the outer cylinder 401 is bonded with the first upper vertical friction layer 402 and the second upper vertical friction layer 403 respectively, the upper inner surface of the outer cylinder 401 is bonded with the first upper horizontal friction layer 404 and the second upper horizontal friction layer 405 respectively, the lower inner wall of the outer cylinder 401 is bonded with the first lower vertical friction layer 406 and the second lower vertical friction layer 407 respectively, and the lower inner surface of the outer cylinder 401 is bonded with the first lower horizontal friction layer 408 and the second lower horizontal friction layer 409 respectively, the top of spring 13 is fixedly installed at the top of the sealing cavity, and the bottom of spring 21 is fixedly installed at the bottom of the sealing cavity.

[0040] Figure 2 The diagram shows a front view of the top cover 1, which is identical to the bottom cover 8. Except for the central hole for mounting the shaft 15, the top cover 1 has holes around its perimeter to allow seawater and air to freely enter and exit.

[0041] When the wave energy harvesting structure is in operation, it will be fixed on a floating platform or other water surface platform, with part of the structure immersed in seawater. The buoyancy block 7 can keep the internal structure on the water surface under the action of seawater. The rise and fall of the waves will cause the entire internal structure to rise and fall along the axis. Magnet 10 and Magnet 26 are installed with magnetic repulsion. This structure can lift the power generation structure away from the water surface and can also achieve a buffering function.

[0042] Under the influence of inertia, the outer cylinder 401 moves up and down periodically between spring 13 and spring 21. The friction layer on the outer cylinder 401 will periodically contact and separate from the friction layers installed on the upper inner cylinder 301 and the lower inner cylinder 503, and generate electricity through the coupling effect of friction electrification and electrostatic induction.

Claims

1. A wave energy harvesting structure combining a magnetically levitated double cylinder and a plane, specifically comprising: a top cover (1) and a bottom cover (8) fixedly installed at the upper and lower ends of the cylinder (2); a shaft (15) fixedly installed in the center hole of the top cover (1) and the bottom cover (8); circular holes for seawater and air to freely enter and exit are provided around the top cover (1) and the bottom cover (8); a linear bearing (14) and a linear bearing (9) are installed on the shaft (15); the linear bearing (9) is fixedly connected to the buoyancy block (7); and the buoyancy block... The force block (7) is fixedly connected to the second magnet (6); the linear bearing (14) is fixedly connected to the first magnet (10), and the first magnet (10) and the sealing cover (12) form a sealed cavity; the top and bottom of the sealed cavity are fixedly installed with an upper inner cylinder (301) and a lower inner cylinder (503) with horizontal and vertical electrode structures, and the outer sides of the cylinder walls of the upper inner cylinder (301) and the lower inner cylinder (503) are respectively bonded with a third upper vertical friction layer (302) and a third lower vertical friction layer (501), and the upper inner cylinder (301) is fixedly connected to the second magnet (6); the linear bearing (14) is fixedly connected to the first magnet (10), and the first magnet (10) and the sealing cover (12) form a sealed cavity; the upper inner cylinder (301) is fixedly connected to the second magnet (6), and the lower inner cylinder (503) is fixedly connected to the third magnet (10 ... The lower surface of the inner cylinder (503) is bonded with a third upper horizontal friction layer (303), and the upper surface of the inner cylinder (503) is bonded with a third lower horizontal friction layer (502); the outer cylinder (401) with horizontal and vertical friction power generation structures is installed between spring one (13) and spring two (11), the upper inner wall of the outer cylinder (401) is bonded with a first upper vertical friction layer (402) and a second upper vertical friction layer (403), the upper inner surface of the outer cylinder (401) is bonded with a first upper horizontal friction layer (404) and a second upper horizontal friction layer (405), the lower inner wall of the outer cylinder (401) is bonded with a first lower vertical friction layer (406) and a second lower vertical friction layer (407), the lower inner surface of the outer cylinder (401) is bonded with a first lower horizontal friction layer (408) and a second lower horizontal friction layer (409), the top of spring one (13) is fixedly installed at the top of the sealing cavity, and the bottom of spring two (11) is fixedly installed at the bottom of the sealing cavity. There are gaps between the upper inner cylinder (301), the lower inner cylinder (503), spring one (13) and spring two (11) and the inner side of the sealing cover (12); the magnet one (10) and magnet two (6) are installed with magnetic repulsion; the first upper vertical friction layer (402), the first upper horizontal friction layer (404), the first lower vertical friction layer (406), the first lower horizontal friction layer (408), the third upper vertical friction layer (302), the third upper horizontal friction layer (303), the third lower vertical friction layer (501) and the third lower horizontal friction layer (502) are made of copper; the second upper vertical friction layer (403), the second upper horizontal friction layer (405), the second lower vertical friction layer (407) and the second lower horizontal friction layer (409) are made of polytetrafluoroethylene (PTFE).

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