Offshore wind turbine cooling device

Abstract

The application provides a marine wind power generator cooling device and relates to the technical field of generator cooling, which comprises a mounting butt joint, a cooling connecting piece is mounted on the mounting butt joint, two fitting cooling adapters are respectively fixedly inserted on the cooling connecting piece and the mounting butt joint, a water inlet auxiliary piece is fixedly mounted on the mounting butt joint, a reinforcing connecting piece is mounted between the cooling connecting piece and the mounting butt joint, seawater assisted cooling work can be realized, multi-stage auxiliary water supply can be realized, the use flexibility is stronger, the structure is simpler, the heat dissipation effect is guaranteed, the heat dissipation effect can be guaranteed, cooling water is continuously supplied, the problems that the current wind power generator cooling structure is inconvenient for realizing seawater utilization cooling, the heat dissipation energy consumption is high, the effect is poor, the calipers are inconvenient for being attached for cooling, the heat dissipation is not comprehensive enough, emergency efficient fire extinguishing and cooling are inconvenient to realize, and the overall safety is poor are solved.

Description

Technical Field

[0001] This invention relates to the field of generator cooling technology, and in particular to a cooling device for offshore wind turbines. Background Technology

[0002] Wind power is a common type of clean and renewable energy source. Currently, offshore wind power is widely used, utilizing the open environment of the sea to generate electricity. Although there are many styles of wind turbines, their basic principles are the same. The structure mainly consists of blades, hub, main shaft, controller, gearbox, braking device, generator, etc. In wind turbine generator sets, the high-speed shaft of the generator needs to use a braking structure to assist in controlling its speed, which is also an important safety guarantee structure for wind turbine power generation. The current cooling structure of wind turbines is not conducive to the use of seawater for cooling, resulting in high heat dissipation energy consumption and poor effect. At the same time, it is not convenient to attach the calipers for cooling, resulting in insufficient heat dissipation and difficulty in achieving efficient emergency fire extinguishing and cooling, leading to poor overall safety. Summary of the Invention

[0003] In view of this, the present invention provides a cooling device for offshore wind turbines, which has a water inlet auxiliary component that can use seawater to assist in cooling, can realize multi-stage auxiliary water supply, has greater flexibility in use, has a simpler structure, ensures heat dissipation effect, and can continuously supply cooling water.

[0004] This invention provides a cooling device for an offshore wind turbine, specifically including an installation docking component, on which a cooling connector is mounted; two fitting cooling adapters are fixedly inserted into the cooling connector and the installation docking component respectively; a water inlet auxiliary component is fixedly mounted on the installation docking component; a reinforcing connector is installed between the cooling connector and the installation docking component; an emergency cooling control unit is fixedly mounted on the cooling connector; a cooling positioning component is fixedly connected to the inner side of the installation docking component; the cooling connector and the installation docking component are fitted together and interconnected; the installation docking component includes: an installation docking auxiliary water-passing shell, a brake caliper mounting slot, a water-guiding groove hole, heat dissipation fins, a connecting drain pipe, a water-guiding corrugated pipe, and a rolling element. The auxiliary wheel connects the water-blocking ring and the safety controller. Two brake caliper mounting slots are provided on the installation docking auxiliary water-passing shell. Two insertion water guide slots are provided on the installation docking auxiliary water-passing shell. Two rings of heat dissipation fins are fixedly welded to the installation docking auxiliary water-passing shell. A connecting drain pipe is fixedly installed on the installation docking auxiliary water-passing shell, and the connecting drain pipe passes through the installation docking auxiliary water-passing shell. A water-guiding corrugated pipe is fixedly installed on the connecting drain pipe. Two rolling auxiliary wheels are rotatably connected to the inner side of the installation docking auxiliary water-passing shell. The connecting water-blocking ring is fixedly installed on the outer side of the installation docking auxiliary water-passing shell. The safety controller is fixedly installed on the outer side of the installation docking auxiliary water-passing shell. The installation docking auxiliary water-passing shell has a hollow structure.

[0005] Furthermore, the emergency cooling control unit also includes: an emergency cooling control hydraulic cylinder, which is arranged in a row and welded to the cooling connection auxiliary water supply shell; an emergency cooling control plate is fixedly installed on the output shaft of the row of emergency cooling control hydraulic cylinders; and a safety controller is electrically connected to the control oil pump of the emergency cooling control hydraulic cylinder.

[0006] Furthermore, the reinforcing connector includes: a reinforcing connecting fixing plate, a rear connecting plate, and positioning bolts. The reinforcing connecting fixing plate is fixedly welded to the installation docking auxiliary water-passing shell; the rear connecting plate is fixedly welded to the cooling connecting auxiliary water-passing shell; the positioning bolts are arranged in a row, and the row of positioning bolts is respectively inserted into the reinforcing connecting fixing plate; the row of positioning bolts is respectively threaded to the rear connecting plate.

[0007] Furthermore, the cooling connector includes: a cooling connection auxiliary water passage shell, a connection drain hole, cooling rear side fins, and a drain pipe. The cooling connection auxiliary water passage shell has a ring of connection drain holes. A ring of cooling rear side fins is fixedly welded to the cooling connection auxiliary water passage shell. The cooling connection auxiliary water passage shell is attached to the installation docking auxiliary water passage shell. The drain pipe is fixedly connected to the cooling connection auxiliary water passage shell. The drain pipe is a flexible metal pipe. There is a gap between the cooling connection auxiliary water passage shell and the two rings of rolling auxiliary wheels that is larger than the distance between the two rings of rolling auxiliary wheels and the gap between them.

[0008] Furthermore, the cooling positioning component includes: a detection and installation auxiliary frame and a cooling sensor, wherein the detection and installation auxiliary frame is fixedly connected to the inner side of the installation docking auxiliary water-passing shell; the cooling sensor is fixedly mounted on the detection and installation auxiliary frame; and the cooling sensor is electrically connected to the safety controller.

[0009] Furthermore, the cooling connector also includes: a connecting pipe, a rear water-blocking ring, and a heat-conducting copper pillar. Two connecting pipes are provided, with each drain pipe fixedly connected to the cooling connection auxiliary water-passing shell. The two connecting pipes are respectively inserted into the installation docking auxiliary water-passing shell. The rear water-blocking ring is fixedly connected to the cooling connection auxiliary water-passing shell. A ring of heat-conducting copper pillars is provided, with each ring of heat-conducting copper pillars fixedly installed inside the cooling connection auxiliary water-passing shell. The cooling connection auxiliary water-passing shell is connected to the installation docking auxiliary water-passing shell via the connecting pipes.

[0010] Furthermore, the fitting and cooling adapter includes: a fitting and cooling adapter connecting cylinder and a fitting airbag. There are four fitting and cooling adapter connecting cylinders, which are arranged in pairs. The two pairs of fitting and cooling adapter connecting cylinders are respectively fixedly inserted into the inner side of the installation docking auxiliary water-passing shell and the cooling connection auxiliary water-passing shell. Fitting airbags are fixedly installed on the four fitting and cooling adapter connecting cylinders. The fitting airbags are made of soft rubber.

[0011] Furthermore, the emergency cooling control unit includes: an emergency cooling control plate and positioning and sealing protrusions. The emergency cooling control plate has an arc-shaped structure. A row of positioning and sealing protrusions is fixedly installed on the emergency cooling control plate. The positioning and sealing protrusions are inserted into the connecting drain hole. The emergency cooling control plate is attached to the inner side of the cooling connection auxiliary water-passing shell.

[0012] Furthermore, the installation docking component also includes: a support mounting plate, which has an "L" shaped structure; the support mounting plate is fixedly welded to the bottom of the installation docking auxiliary water-passing shell; the support mounting plate is provided with two through holes.

[0013] Furthermore, the water inlet auxiliary component includes: a water inlet auxiliary pipe, a water inlet auxiliary pump, a connecting secondary pump, and a connecting water pipe. The water inlet auxiliary pipe is fixedly connected to the installation docking auxiliary water passage shell; the water inlet auxiliary pump is fixedly installed on the water inlet auxiliary pipe; the connecting secondary pump is fixedly connected to the connecting water pipe; the other end of the connecting water pipe is fixedly installed at the water inlet end of the water inlet auxiliary pump; and the water inlet end of the connecting secondary pump is provided with a water inlet pipe.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] By using specially designed reinforcing connectors, efficient reinforcement work can be achieved. The structure is simpler and the overall energy-saving effect can be guaranteed. There is no need for a powerful fan for heat dissipation. Seawater can be used for auxiliary cooling, which can guarantee the quality of structural cooling and make it more practical. For higher fan installation positions, multi-stage auxiliary water supply can be achieved to ensure water flow effect.

[0016] Furthermore, by using specially designed fitting and cooling adapters, the cooling quality of the structure for the brake caliper can be guaranteed. At the same time, for the irregularly shaped brake caliper, the fitting airbag can be used to assist in the fitting and cooling work. The structure is simpler and more reasonable, and the cooling quality can be guaranteed.

[0017] In addition, the use of a cooling positioning component enables efficient auxiliary cooling. In emergency situations, if the brake disc temperature is too high, it can assist in efficient water spray cooling, further ensuring safety and making the structure more reasonable. It can also effectively prevent fires. The rear water-blocking ring and connecting water-blocking ring can prevent water leakage, prevent the corrosiveness of seawater from causing short circuits in the internal circuitry, and prevent accelerated corrosion of internal components. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0020] In the attached diagram:

[0021] Figure 1 This is an overall schematic diagram of the cooling device of the present invention.

[0022] Figure 2 This is a schematic diagram of the front structure of the cooling device of the present invention.

[0023] Figure 3 This is a schematic diagram of the bottom structure of the cooling device of the present invention.

[0024] Figure 4 This is a cross-sectional view of the internal structure of the cooling device of the present invention.

[0025] Figure 5 This is a schematic diagram of the mounting and docking components of the present invention.

[0026] Figure 6 This is a schematic diagram of the cooling connector structure of the present invention.

[0027] Figure 7 This is a schematic diagram of the fitting and cooling adapter structure of the present invention.

[0028] Figure 8 This is a schematic diagram of the water inlet auxiliary component of the present invention.

[0029] Figure 9 This is a schematic diagram of the reinforced connector structure of the present invention.

[0030] Figure 10 This is a schematic diagram of the emergency cooling control unit of the present invention.

[0031] Figure 11 This is a schematic diagram of the cooling positioning component of the present invention.

[0032] List of reference numerals

[0033] 1. Installation docking parts; 101. Installation docking auxiliary water passage shell; 1011. Brake caliper mounting slot; 1012. Insertion water guide groove hole; 102. Heat dissipation fins; 103. Connection drain pipe; 1031. Water guide corrugated pipe; 104. Rolling auxiliary wheel; 105. Connection water-blocking ring; 106. Safety controller; 107. Support mounting plate; 2. Cooling connection parts; 201. Cooling connection auxiliary water passage shell; 2011. Connection drain hole; 202. Cooling rear fins; 203. Drain pipe; 2. Cooling connection parts; 204. Connection insertion pipe; 205. Rear water-blocking ring; 206. 3. Hot copper column; 4. Fitting cooling adapter; 5. Fitting cooling adapter connecting cylinder; 6. Fitting airbag; 7. Water inlet auxiliary component; 8. Water inlet auxiliary pipe; 9. Water inlet auxiliary water pump; 10. Connecting secondary pump; 11. Connecting water pipe; 2. Reinforcing connecting component; 3. Reinforcing connecting fixing plate; 4. Rear connecting plate; 5. Positioning bolt; 6. Emergency cooling control unit; 7. Emergency cooling control plate; 8. Positioning and sealing protrusion column; 9. Emergency cooling control hydraulic cylinder; 10. Cooling positioning component; 11. Detection and installation auxiliary frame; 12. Cooling sensor. Detailed Implementation

[0034] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0035] Example 1: Please refer to Figures 1 to 11 As shown:

[0036] This invention provides a cooling device for an offshore wind turbine, comprising an installation docking part 1, on which a cooling connector 2 is mounted; two fitting cooling adapters 3 are respectively fixedly inserted into the cooling connector 2 and the installation docking part 1; a water inlet auxiliary part 4 is fixedly mounted on the installation docking part 1; a reinforcing connector 5 is installed between the cooling connector 2 and the installation docking part 1; an emergency cooling control part 6 is fixedly mounted on the cooling connector 2; a cooling positioning part 7 is fixedly connected to the inner side of the installation docking part 1; the cooling connector 2 and the installation docking part 1 are fitted together and interconnected; the installation docking part 1 includes: an installation docking auxiliary water-passing shell 101, a brake caliper mounting groove 1011, a water-guiding groove hole 1012, heat dissipation fins 102, a connecting drain pipe 103, a water-guiding corrugated pipe 1031, a rolling auxiliary wheel 104, a connecting water-blocking ring 105, and a mounting bracket. The controller 106 has two brake caliper mounting slots 1011 on its auxiliary water passage housing 101; two insertion water guide holes 1012 on its auxiliary water passage housing 101; two rings of heat dissipation fins 102 are fixedly welded to its auxiliary water passage housing 101; a connecting drain pipe 103 is fixedly installed on its auxiliary water passage housing 101, and the connecting drain pipe 103 passes through its auxiliary water passage housing 101; a water guide corrugated pipe 1031 is fixedly installed on its connecting drain pipe 103; two rolling auxiliary wheels 104 are rotatably connected to the inside of its auxiliary water passage housing 101; a connecting water blocking ring 105 is fixedly installed on the outside of its auxiliary water passage housing 101; a safety controller 106 is fixedly installed on the outside of its auxiliary water passage housing 101; and the auxiliary water passage housing 101 is a hollow structure.

[0037] The installation docking component 1 further includes: a support mounting plate 107, which has an "L"-shaped structure; the support mounting plate 107 is fixedly welded to the bottom of the installation docking auxiliary water passage shell 101; the support mounting plate 107 has two through holes; the cooling connection component 2 includes: a cooling connection auxiliary water passage shell 201, a connection drain hole 2011, a cooling rear side fin 202, and a drain pipe 203; the cooling connection auxiliary water passage shell 201 has a ring of connection drain holes 2011; a ring of cooling rear side fins 202 is fixedly welded to the cooling connection auxiliary water passage shell 201; the cooling connection auxiliary water passage shell 201 is attached to the installation docking auxiliary water passage shell. 101; The drain pipe 203 is fixedly connected to the cooling connection auxiliary water passage shell 201; the drain pipe 203 is a flexible metal pipe; the cooling connection auxiliary water passage shell 201 and the two rolling auxiliary wheels 104 have a gap larger than that between them; the cooling connection component 2 also includes: a connecting plug pipe 204, a rear water-blocking ring 205, and a heat-conducting copper pillar 206. There are two connecting plug pipes 204, and the two drain pipes 203 are fixedly connected to the cooling connection auxiliary water passage shell 201 respectively; the two connecting plug pipes 204 are respectively inserted into the installation docking auxiliary water passage shell 101; the rear water-blocking ring 205 is fixedly connected to the cooling connection auxiliary water passage shell 201. A ring of heat-conducting copper pillars 206 is provided, and the ring of heat-conducting copper pillars 206 is fixedly installed inside the cooling connection auxiliary water passage shell 201; the cooling connection auxiliary water passage shell 201 is connected to the installation docking auxiliary water passage shell 101 through the connecting plug pipe 204; the fitting cooling adapter 3 includes: fitting cooling adapter connecting cylinder 301 and fitting airbag 302. There are four fitting cooling adapter connecting cylinders 301, and the four fitting cooling adapter connecting cylinders 301 are arranged in pairs. The two pairs of fitting cooling adapter connecting cylinders 301 are fixedly inserted into the installation docking auxiliary water passage shell 101 and the cooling connection auxiliary water passage shell 201 respectively; the four fitting cooling adapter connecting cylinders 301 are provided. 1. Each of the components is fixedly installed with a fitting airbag 302. The fitting airbag 302 is a soft rubber structure. By using the set cooling connector 2, it can be close to the generator to perform cooling and heat absorption. By cooperating with the installation docking part 1, it can assist in the cooling of the generator set's brake disc. The overall structure is more practical. It can prevent the cylinder from wearing the brake disc by using the rolling auxiliary wheel 104, and can help improve the overall service life of the brake disc. By using the set fitting cooling adapter 3, it can help ensure the cooling quality of the structure for the brake caliper. The fitting airbag 302 can assist in the fitting and cooling work.

[0038] The water inlet auxiliary component 4 includes: a water inlet auxiliary pipe 401, a water inlet auxiliary pump 402, a connecting secondary pump 403, and a connecting water pipe 4031. The water inlet auxiliary pipe 401 is fixedly connected to the installation docking auxiliary water passage shell 101. The water inlet auxiliary pump 402 is fixedly installed on the water inlet auxiliary pipe 401. The connecting secondary pump 403 is fixedly connected to the connecting water pipe 4031. The other end of the connecting water pipe 4031 is fixedly installed at the water inlet end of the water inlet auxiliary pump 402. The water inlet end of the connecting secondary pump 403 is provided with a water inlet pipe. The reinforcing connection component 5 includes: a reinforcing connection fixing plate 501, a rear connecting plate 502, and positioning bolts 503. The reinforcing connection fixing plate 501 is fixedly welded to the installation docking auxiliary water passage shell 101. The rear connecting plate 502 is fixedly welded to the cooling connection auxiliary water passage shell. On plate 201, a row of positioning bolts 503 is provided, which are respectively inserted into the reinforcing connection fixing plate 501; the row of positioning bolts 503 are respectively threaded to the rear connecting plate 502. By using the set reinforcing connectors 5, efficient reinforcement work can be achieved, the structure is simpler, and seawater is used for auxiliary cooling, which is more practical. For higher fan installation positions, multi-stage auxiliary water supply can be achieved to ensure water flow effect. Seawater can be used for auxiliary cooling, and multi-stage auxiliary water supply can be achieved, which is more flexible in use, simpler in structure, and ensures heat dissipation effect. At the same time, it can ensure heat dissipation effect and continuously supply cooling water, which is more practical. The number of secondary pumps 403 can be determined according to the actual water supply height, and the structure is simple and efficient.

[0039] Example 2: Based on Example 1, the emergency cooling control unit 6 includes: an emergency cooling control plate 601 and positioning and sealing protrusions 602. The emergency cooling control plate 601 has an arc-shaped structure. A row of positioning and sealing protrusions 602 are fixedly installed on the emergency cooling control plate 601. The positioning and sealing protrusions 602 are inserted into the connecting drain hole 2011. The emergency cooling control plate 601 is attached to the inner side of the cooling connection auxiliary water passage shell 201. The emergency cooling control unit 6 also includes: an emergency cooling control hydraulic cylinder 603. A row of emergency cooling control hydraulic cylinders 603 is provided, and a row of emergency cooling control hydraulic cylinders 603 is welded to the cooling connection auxiliary water passage shell 201. An emergency cooling control plate 601 is fixedly installed on the output shaft of a row of emergency cooling control hydraulic cylinders 603. The cooling positioning component 7 includes: a detection and installation auxiliary frame 701 and a cooling sensor 702. The detection and installation auxiliary frame 701 is fixedly connected to the installation docking auxiliary water passage shell. Inside 101; a cooling sensor 702 is fixedly mounted on the installation auxiliary frame 701; the cooling sensor 702 is electrically connected to the safety controller 106. By using the set cooling positioning component 7, it can achieve efficient auxiliary cooling work and efficient water spray cooling work, which can further ensure the safety of use. The structure is more reasonable, effectively avoiding overheating damage and fire, and ensuring the service life of the brake disc. When the cooling sensor 702 detects that the temperature exceeds the standard, the safety controller 106 controls the emergency cooling control hydraulic cylinder 603 to drive the positioning sealing protrusion 602 to separate from the connecting drain hole 2011, realizing the auxiliary separation work. It can quickly use water flow to directly cool down. With the help of the rear water blocking ring 205, it can prevent water leakage and prevent the corrosiveness of seawater from causing short circuits to the internal circuits. Wastewater can be quickly discharged to the outside of the wind turbine. The structure is simpler and more practical.

[0040] The specific usage and function of this embodiment: In this invention, firstly, seawater is supplied to the installation docking auxiliary water passage shell 101 by using the auxiliary water pump 402 in conjunction with the secondary pump 403. The support mounting plate 107 is bolted to the engine room. After water is introduced into the installation docking auxiliary water passage shell 101, the connecting pipe 204 is used for conduction, and drainage is assisted through the drain pipe 203 to achieve auxiliary water circulation, which is more practical. After water is introduced into the cooling connection auxiliary water passage shell 201 and the installation docking auxiliary water passage shell 101, the fitting airbag 3 is used. 02 can assist in filling with cooling water and cooling down the brake calipers by attaching them. It can also assist in the fitting and cooling work by attaching the airbag 302. After the cooling sensor 702 detects that the temperature exceeds the standard, the safety controller 106 controls the emergency cooling control hydraulic cylinder 603 to drive the positioning and sealing protrusion 602 to separate from the connecting drain hole 2011, thus achieving the auxiliary separation work. It can quickly use water flow to directly cool down the wind turbine. The cooled seawater can be quickly discharged to the outside of the wind turbine through the connecting drain pipe 103 and the water guide corrugated pipe 1031.

[0041] The above are merely exemplary embodiments of the present invention and are not intended to limit the scope of protection of the present invention, which is determined by the appended claims.

Claims

1. A cooling device for an offshore wind turbine, comprising a mounting docking part (1), wherein a cooling connector (2) is mounted on the mounting docking part (1), and a water inlet auxiliary part (4) is fixedly mounted on the mounting docking part (1); characterized in that, Two fitting cooling adapters (3) are fixedly inserted into the cooling connector (2) and the mounting dock (1); a reinforcing connector (5) is installed between the cooling connector (2) and the mounting dock (1); an emergency cooling control unit (6) is fixedly installed on the cooling connector (2); a cooling positioning unit (7) is fixedly connected to the inside of the mounting dock (1); the cooling connector (2) and the mounting dock (1) are fitted together and interconnected; the mounting dock (1) includes: a mounting dock auxiliary water passage shell (101), a brake caliper mounting groove (1011), a water guide groove hole (1012), a heat dissipation fin (102), a connecting drain pipe (103), a water guide corrugated pipe (1031), a rolling auxiliary wheel (104), a connecting water blocking ring (105), and a safety controller (106); two brakes are provided on the mounting dock auxiliary water passage shell (101). The caliper mounting slot (1011) is provided with two insertion water guide slots (1012) on the installation docking auxiliary water guide shell (101); two rings of heat dissipation fins (102) are fixedly welded on the installation docking auxiliary water guide shell (101); a connecting drain pipe (103) is fixedly installed on the installation docking auxiliary water guide shell (101), and the connecting drain pipe (103) passes through the installation docking auxiliary water guide shell (101); a water guide corrugated pipe (1031) is fixedly installed on the connecting drain pipe (103); two rings of rolling auxiliary wheels (104) are rotatably connected to the inner side of the installation docking auxiliary water guide shell (101); a connecting water blocking ring (105) is fixedly installed on the outer side of the installation docking auxiliary water guide shell (101); a safety controller (106) is fixedly installed on the outside of the installation docking auxiliary water guide shell (101); the installation docking auxiliary water guide shell (101) is a hollow structure.

2. The offshore wind turbine cooling device according to claim 1, characterized in that: The installation docking component (1) further includes: a support mounting plate (107), which is an "L" shaped structure; the support mounting plate (107) is fixedly welded to the bottom of the installation docking auxiliary water-passing shell (101); the support mounting plate (107) is provided with two through holes.

3. The offshore wind turbine cooling device according to claim 1, characterized in that: The cooling connector (2) includes: a cooling connection auxiliary water passage shell (201), a connection drain hole (2011), a cooling rear side fin (202), and a drain pipe (203). A ring of connection drain holes (2011) is provided on the cooling connection auxiliary water passage shell (201). A ring of cooling rear side fins (202) is fixedly welded on the cooling connection auxiliary water passage shell (201). The cooling connection auxiliary water passage shell (201) is attached to the installation docking auxiliary water passage shell (101). The drain pipe (203) is fixedly connected to the cooling connection auxiliary water passage shell (201). The drain pipe (203) is a metal bendable pipe. A gap larger than that between the cooling connection auxiliary water passage shell (201) and the two rings of rolling auxiliary wheels (104) is provided.

4. A cooling device for an offshore wind turbine according to claim 3, characterized in that: The cooling connector (2) further includes: a connecting pipe (204), a rear water-blocking ring (205), and a heat-conducting copper column (206). There are two connecting pipes (204), and two drain pipes (203) are fixedly connected to the cooling connection auxiliary water-passing shell (201). The two connecting pipes (204) are respectively inserted into the installation docking auxiliary water-passing shell (101). The rear water-blocking ring (205) is fixedly connected to the cooling connection auxiliary water-passing shell (201). There is one ring of heat-conducting copper column (206), and the ring of heat-conducting copper column (206) is fixedly installed inside the cooling connection auxiliary water-passing shell (201). The cooling connection auxiliary water-passing shell (201) is connected to the installation docking auxiliary water-passing shell (101) through the connecting pipe (204).

5. A cooling device for an offshore wind turbine according to claim 3, characterized in that: The fitting and cooling adapter (3) includes: a fitting and cooling adapter connecting tube (301) and a fitting airbag (302). There are four fitting and cooling adapter connecting tubes (301). The four fitting and cooling adapter connecting tubes (301) are arranged in pairs. The two sets of fitting and cooling adapter connecting tubes (301) are respectively fixedly inserted into the inner side of the installation docking auxiliary water-passing shell (101) and the cooling connection auxiliary water-passing shell (201). Fitting airbags (302) are fixedly installed on the four fitting and cooling adapter connecting tubes (301). The fitting airbags (302) are made of soft rubber.

6. A cooling device for an offshore wind turbine according to claim 1, characterized in that: The water inlet auxiliary component (4) includes: a water inlet auxiliary pipe (401), a water inlet auxiliary pump (402), a connecting secondary pump (403), and a connecting water pipe (4031). The water inlet auxiliary pipe (401) is fixedly connected to the installation docking auxiliary water passage shell (101). The water inlet auxiliary pump (402) is fixedly installed on the water inlet auxiliary pipe (401). The connecting secondary pump (403) is fixedly connected to the connecting water pipe (4031). The other end of the connecting water pipe (4031) is fixedly installed at the water inlet end of the water inlet auxiliary pump (402). The water inlet end of the connecting secondary pump (403) is provided with a water inlet pipe.

7. A cooling device for an offshore wind turbine according to claim 3, characterized in that: The reinforcing connector (5) includes: a reinforcing connection fixing plate (501), a rear connecting plate (502), and positioning bolts (503). The reinforcing connection fixing plate (501) is fixedly welded to the installation docking auxiliary water-passing shell (101); the rear connecting plate (502) is fixedly welded to the cooling connection auxiliary water-passing shell (201); the positioning bolts (503) are arranged in a row, and a row of positioning bolts (503) are respectively inserted into the reinforcing connection fixing plate (501); a row of positioning bolts (503) are respectively threaded to the rear connecting plate (502).

8. A cooling device for an offshore wind turbine according to claim 2, characterized in that: The emergency cooling control unit (6) includes: an emergency cooling control plate (601) and positioning and sealing protrusions (602). The emergency cooling control plate (601) has an arc-shaped structure. A row of positioning and sealing protrusions (602) is fixedly installed on the emergency cooling control plate (601). The positioning and sealing protrusions (602) are inserted into the connecting drain hole (2011). The emergency cooling control plate (601) is attached to the inner side of the cooling connection auxiliary water-passing shell (201).

9. A cooling device for an offshore wind turbine according to claim 8, characterized in that: The emergency cooling control unit (6) further includes: an emergency cooling control hydraulic cylinder (603), which is arranged in a row, and the row of emergency cooling control hydraulic cylinders (603) is welded to the cooling connection auxiliary water supply shell (201); an emergency cooling control plate (601) is fixedly installed on the output shaft of the row of emergency cooling control hydraulic cylinders (603).

10. A cooling device for an offshore wind turbine according to claim 1, characterized in that: The cooling positioning component (7) includes: a detection and installation auxiliary frame (701) and a cooling sensor (702). The detection and installation auxiliary frame (701) is fixedly connected to the inside of the installation docking auxiliary water-passing shell (101). The cooling sensor (702) is fixedly mounted on the detection and installation auxiliary frame (701). The cooling sensor (702) is electrically connected to the safety controller (106). The safety controller (106) is electrically connected to the control oil pump of the emergency cooling control hydraulic cylinder (603).

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