Offshore wind power cathode protection device

The offshore wind power cathodic protection device, with its distributed anode arrangement and quick-release design, solves the corrosion problem of offshore wind power equipment, achieves current dispersion and easy maintenance, extends equipment life, and improves system stability.

CN224172871UActive Publication Date: 2026-04-28ZHONG JIAO HAI FENG XIN NENG YUAN KE JI (SHAN WEI) YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONG JIAO HAI FENG XIN NENG YUAN KE JI (SHAN WEI) YOU XIAN GONG SI
Filing Date
2025-05-14
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

The metal parts of offshore wind turbines, especially the wind turbine cathodes, are susceptible to corrosion, which can affect the service life and operational stability of the equipment.

Method used

The distributed anode arrangement is adopted, with multiple anodes evenly distributed around the wind turbine. The electric field distribution can be precisely adjusted by adjusting the distance between the anode and the cathode. The quick-release side cover and rotating rod design simplify installation and maintenance.

Benefits of technology

It effectively disperses current, prevents excessive local corrosion, extends equipment life, reduces maintenance costs, and improves system reliability and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an offshore wind power cathode protection device, which relates to the technical field of offshore wind power equipment and comprises a protection shell, a mounting bottom shell is arranged on the lower side of the protection shell, a plurality of mounting through grooves are uniformly formed in the mounting bottom shell, and wind power cathodes are assembled on the upper side of the mounting bottom shell through the mounting through grooves. Quick-release side covers are arranged on the left and right sides of the protective shell and located between the protective shell and the lower mounting bottom shell, and rotating rods are rotationally connected to the left and right sides of the inner sides of the quick-release side covers. A distributed anode arrangement mode is adopted, current is effectively dispersed, electric field distribution is balanced, corrosion caused by over-dense local current is prevented, the electric field distribution is optimized by adjusting the distance between the anode and the cathode, the protection range is expanded, the effect is improved, the device adopts the design of the quick-release side cover and the rotating rod, the installation and maintenance process is simplified, and the cost is reduced. And rapid maintenance in an offshore wind power environment is facilitated, so that the service life of equipment is prolonged, the maintenance cost is reduced, and the reliability and stability of an offshore wind power system are improved.
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Description

Technical Field

[0001] This utility model relates to the field of offshore wind power equipment technology, and in particular to an offshore wind power cathodic protection device. Background Technology

[0002] Offshore wind power equipment refers to wind power generation facilities installed and operated in marine environments. These devices convert wind energy from the ocean into electrical energy, primarily providing clean and renewable electricity. Offshore wind power has many advantages over onshore wind power, such as higher and more stable wind speeds and more abundant wind resources. However, due to natural factors such as salinity, moisture, and storms in seawater, the metal parts of wind power equipment, especially the cathodes, are susceptible to corrosion, particularly in environments like seabed foundations and offshore platforms. This corrosion severely affects the service life and operational stability of the wind power equipment. Therefore, this invention proposes an offshore wind power cathode protection device to address the problems mentioned in the background section. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a cathode protection device for offshore wind power.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A cathode protection device for offshore wind power includes a protective housing, a mounting base shell on the lower side of the protective housing, and a plurality of mounting slots evenly distributed inside the mounting base shell. The wind power cathode is assembled onto the upper side of the mounting base shell through the mounting slots. Quick-release side covers are provided on both the left and right sides of the protective housing, and the quick-release side covers are located between the protective housing and the lower mounting base shell. Rotating rods are rotatably connected to the left and right sides of the inner side of the quick-release side covers. A plurality of anode electrodes are provided inside the protective housing, and toothed blocks are fixedly installed on the upper side of the anode electrodes. A ring seat is rotatably connected to the center of the upper side of the protective housing.

[0006] Preferably, the upper side of the protective shell has through slots on both the left and right sides corresponding to the rotating rod, the upper end of the rotating rod is provided with a thread, and the upper end of the rotating rod is threadedly connected to a locking nut that is tightly attached to the surface of the protective shell.

[0007] Preferably, a buckle is fixed at the lower end of the rotating rod, and slots corresponding to the rotating rod are opened on both the left and right sides of the mounting base, with corresponding limit blocks for the buckle provided on both the left and right sides of the slots.

[0008] Preferably, a slider is fixed to the upper side of one end of the toothed block, a corresponding groove is opened inside the protective shell, and several through holes are evenly opened on the front and rear sides of the protective shell.

[0009] Preferably, a second gear is provided on one side of the tooth block, the second gear is connected to the inside of the protective shell, and a first gear located on the upper side of the protective shell is fixed on the upper side of the second gear.

[0010] Preferably, an internal gear ring is fixed inside the ring seat, and the internal gear ring meshes with several gears on the inner side. A stud that penetrates the center of the ring seat is fixed at the center of the upper side of the protective shell, and a locking sleeve that is tightly attached to the surface of the ring seat is threaded onto the stud.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model of cathodic protection device changes the traditional structure and adopts a distributed anode arrangement, which evenly distributes multiple anodes around the wind power equipment. This can effectively disperse the current, balance the electric field distribution, and prevent excessive corrosion of the wind power cathode caused by excessive local current. By adjusting the distance between the anode electrode and the wind power cathode, the electric field distribution can be precisely adjusted according to different needs to ensure the best protection effect, expand the protection range, and improve the protection effect.

[0013] 2. This utility model adopts a quick-release side cover and rotating rod design, which has the advantages of simple installation and maintenance. The quick disassembly and assembly mechanism makes the equipment easier to maintain in the offshore wind power environment, effectively extending the service life of offshore wind power equipment, reducing equipment maintenance costs, and improving the reliability and stability of offshore wind power systems. Attached Figure Description

[0014] Figure 1 This utility model provides a structural schematic diagram of a cathode protection device for offshore wind power. Figure 1 ;

[0015] Figure 2 This utility model provides a structural schematic diagram of a cathode protection device for offshore wind power. Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the internal structure of a cathode protection device for offshore wind power proposed in this utility model;

[0017] Figure 4 This is a front cross-sectional view of a cathode protection device for offshore wind power proposed in this utility model.

[0018] In the diagram: 1. Protective outer shell; 2. Mounting bottom shell; 3. Mounting through slot; 4. Quick-release side cover; 5. Through hole; 6. Rotating rod; 7. Locking nut; 8. Ring seat; 9. Stud; 10. Locking nut; 11. Gear 1; 12. Anode electrode; 13. Gear 2; 14. Fastener block; 15. Limiting block; 16. Gear block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-4 A protective device for offshore wind power cathodes includes a protective housing 1, an installation base 2 on the lower side of the protective housing 1, and a plurality of installation slots 3 evenly distributed inside the installation base 2. The wind power cathode is assembled onto the upper side of the installation base 2 through the installation slots 3. The protective housing 1 is provided with quick-release side covers 4 on both the left and right sides. The quick-release side covers 4 are located between the protective housing 1 and the lower installation base 2. Rotating rods 6 are connected to the left and right sides of the inner side of the quick-release side covers 4. The lower end of the rotating rods 6 is fixed with a buckle 14. The installation base 2 is provided with slots corresponding to the rotating rods 6 on both the left and right sides. Limiting blocks 15 corresponding to the buckles 14 are provided on both the left and right sides of the slots. After the wind power cathode is passed through the installation slots 3, the electrode and the installation base 2 need to be assembled onto the lower side of the protective housing 1. At this time, the wind power cathode is assembled inside the protective housing 1.

[0021] The upper left and right sides of the protective housing 1 are provided with corresponding through slots for the rotating rod 6. The upper end of the rotating rod 6 is provided with a thread, and the upper end of the rotating rod 6 is threadedly connected to a locking nut 7 that is close to the surface of the protective housing 1. Slide the quick-release side covers 4 on both sides so that the lower ends of the rotating rod 6 on both sides of the quick-release side covers 4 pass through the slots on both sides of the lower mounting base 2. The buckle 14 at the lower end of the rotating rod 6 is located on the lower side of the mounting base 2. Then slide the quick-release side covers 4 on both sides upward and rotate the rotating rod 6 so that the buckle 14 at the lower end of the rotating rod 6 rotates vertically and is located inside the limiting block 15. Slide the quick-release side covers 4 upward so that the buckle 14 abuts against the lower side of the mounting base 2 and is located inside the limiting block 15. Then tighten the locking nut 7 at the upper end of the rotating rod 6 so that the locking nut 7 is locked on the surface of the protective housing 1, realizing the stable assembly of the protective device.

[0022] The protective housing 1 contains several anode electrodes 12. A toothed block 16 is fixedly mounted on the upper side of each anode electrode 12. A ring seat 8 is rotatably connected to the center of the upper side of the protective housing 1. A slider is fixed to the upper side of one end of the toothed block 16. A corresponding groove is provided inside the protective housing 1. Several through holes 5 are evenly provided on the front and rear sides of the protective housing 1. A corresponding meshing gear 2 13 is provided on one side of the toothed block 16. The gear 2 13 is rotatably connected inside the protective housing 1. A gear 11 located on the upper side of the protective housing 1 is fixed to the upper side of the gear 2 13. An internal gear ring is fixed inside the ring seat 8, and the internal gear ring meshes with several gears 11 inside. A stud 9 is fixed at the center of the upper side of the protective shell 1, penetrating the center of the ring seat 8. A locking sleeve 10 is threaded onto the stud 9 and closely attached to the surface of the ring seat 8. The wind power cathode, which is assembled in the protection mechanism, is located at the center of several anode electrodes 12. Multiple anodes are evenly distributed around the wind power cathode, which can effectively disperse the current, balance the electric field distribution, reduce the situation of excessive local current, prevent excessive corrosion of the wind power cathode, and extend its service life. The configuration of distributed anodes helps to improve the overall stability and efficiency of the system, enabling the wind power equipment to maintain low maintenance costs and high reliability during long-term operation.

[0023] The electric field distribution intensity can be finely adjusted according to the size of the protected wind power cathode and the intensity of the electric field distribution. The distance from the surrounding anode electrodes 12 to the central wind power cathode can be adjusted by rotating the ring seat 8 at the center of the upper side of the protective shell 1. The ring seat 8 drives the inner gear 11 through the inner tooth ring. The gear 11 rotates and drives the gear 2 13 fixed on the lower side. The gear 2 13 drives the corresponding meshing tooth block 16. The tooth block 16 drives the anode electrode 12 connected on the lower side to move, thereby realizing the electric field distribution and balance, and adapting to the protection requirements of different cathodes.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A cathode protection device for offshore wind power, comprising a protective housing (1), characterized in that, The protective shell (1) is provided with a mounting base (2) on its lower side. The mounting base (2) is provided with several mounting slots (3) evenly distributed inside. The wind power cathode is assembled on the upper side of the mounting base (2) through the mounting slots (3). The protective shell (1) is provided with quick-release side covers (4) on both the left and right sides. The quick-release side covers (4) are located between the protective shell (1) and the lower mounting base (2). Rotating rods (6) are connected to the left and right sides of the inner side of the quick-release side covers (4). Several anode electrodes (12) are provided inside the protective shell (1). Tooth blocks (16) are fixedly installed on the upper side of the anode electrodes (12). A ring seat (8) is rotatably connected to the center of the upper side of the protective shell (1).

2. The offshore wind power cathodic protection device according to claim 1, characterized in that, The protective shell (1) has through slots on the left and right sides corresponding to the rotating rod (6). The upper end of the rotating rod (6) is threaded, and the upper end of the rotating rod (6) is threaded with a locking nut (7) that is close to the surface of the protective shell (1).

3. The offshore wind power cathodic protection device according to claim 1, characterized in that, The lower end of the rotating rod (6) is fixed with a buckle (14), and the mounting base (2) is provided with slots corresponding to the rotating rod (6) on both the left and right sides, and the slots are provided with limiting blocks (15) corresponding to the buckle (14) on both the left and right sides.

4. The offshore wind power cathodic protection device according to claim 1, characterized in that, A slider is fixed on the upper side of one end of the toothed block (16), and a corresponding sliding groove is opened inside the protective shell (1). Several through holes (5) are evenly opened on the front and back sides of the protective shell (1).

5. The offshore wind power cathodic protection device according to claim 1, characterized in that, A corresponding meshing gear two (13) is provided on one side of the tooth block (16). The gear two (13) is connected to the inside of the protective shell (1). A gear one (11) located on the upper side of the protective shell (1) is fixed on the upper side of the gear two (13).

6. The offshore wind power cathodic protection device according to claim 1, characterized in that, An internal gear ring is fixed inside the ring seat (8), and the internal gear ring meshes with several gears (11) on the inner side. A stud (9) that penetrates the center of the ring seat (8) is fixed on the upper side of the protective shell (1). A locking sleeve (10) that is close to the surface of the ring seat (8) is threaded onto the stud (9).