A wind turbine cooling device

Abstract

This invention relates to the field of wind turbine equipment technology and discloses a wind turbine cooling device, including a turbine casing. A generator is fixedly connected to the inner wall of the casing, and a gear set is rotatably connected to one end of the generator. The telescopic mechanism includes a base plate, which is fixedly connected to one end of the generator. A telescopic cylinder is slidably connected to the top of the base plate, and a distribution plate is fixedly connected to one end of the telescopic cylinder. An absorption pump is fixedly connected to the top of the distribution plate. The cleaning component includes a support plate, which is slidably connected to the inner wall of the distribution plate. By setting up the telescopic mechanism, the exhaust fans on both sides of the collection plate are activated, and the loosened floating dust is adsorbed into the inside of the collection plate through the suction groove at the top, preventing the dust from being dispersed and re-attached. After cleaning, the absorption pump is activated, generating a high-pressure airflow that blows out through the flow channel of the distribution plate, deeply cleaning the heat dissipation fins and thoroughly removing residual dust from deep crevices, significantly reducing the frequency of manual high-altitude dust cleaning in dusty environments.

Description

Technical Field

[0001] This invention relates to the field of wind turbine equipment technology, specifically to a wind turbine cooling device. Background Technology

[0002] Wind power is a clean energy source that is widely used in plateau and plain areas. Wind turbine generators generate electricity by rotating using natural wind power, but long-term operation can lead to heat accumulation. Relying solely on the device's own heat dissipation cannot ensure safe operation. The core heat sources of wind turbine generators are the gearbox, generator, and converter. At the same time, the sealed nacelle will continuously accumulate operating heat. Cooling devices are a key supporting system to ensure long-term stable power generation of the unit.

[0003] Patent application CN202311481241.8 discloses a cooling device for a wind turbine, which includes a driven gear, a driven rod disposed on one side of the driven gear, a support member disposed on the outside of the driven rod, the driven rod including a nickel-titanium alloy block and a guide groove; and a dust removal mechanism disposed on one side of the cooling mechanism, the dust removal mechanism including a filter plate, and a drive motor disposed on the top of the filter plate.

[0004] However, this patent also has the following shortcomings: poor adaptability to sand and dust environments. When the wind turbine is operating in sandy areas such as the Northwest and plateau, the surface of the heat dissipation fins is very easy to be clogged by dust. In addition, traditional oil cooling adopts an overall spray method, and the cooling oil is evenly distributed inside the gearbox. However, the heat intensity of local hot spots such as gear meshing area and main bearing is much higher than that of other areas, and the oil temperature distribution is extremely uneven. At the same time, the heat dissipation groove structure at the end of the generator stator is narrow, and dust and sludge are easily accumulated and clogged after mixing, which makes it impossible for the heat inside the generator to be dissipated in time. In view of this situation, a wind turbine cooling device is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a cooling device for wind turbine generators to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a wind turbine cooling device, including a turbine housing, a generator fixedly connected to the inner wall of the turbine housing, a gear set rotatably connected to one end of the generator, and a telescopic mechanism provided at one end of the generator;

[0007] The telescopic mechanism includes:

[0008] A base plate is fixedly connected to one end of a generator. A telescopic cylinder is slidably connected to the top of the base plate. A distribution plate is fixedly connected to one end of the telescopic cylinder. An absorption pump is fixedly connected to the top of the distribution plate. A cleaning component is provided on the inner wall of the distribution plate. The electric telescopic cylinder extends axially and drives the distribution plate to move horizontally towards the cooling fan, so that the cleaning component is close to the surface of the cooling fins.

[0009] The cleaning component includes:

[0010] A support plate is slidably connected to the inner wall of the distribution plate. A sliding seat is slidably connected to the inner wall of the support plate. The support plate on the inner wall of the distribution plate is driven by a controller to slide along a circular track.

[0011] According to the above technical solution, the cleaning component further includes a collection tray, which is fixedly connected to the top of the sliding seat. A cleaning ring is fixedly connected to the surface of the collection tray, and exhaust fans are fixedly connected to both sides of the collection tray. An adsorption groove is opened on the top of the exhaust fan. One end of the gear set is rotatably connected to a converter, which is fixedly connected to the inner wall of the unit housing. One end of the unit housing is fixedly connected to a support frame, and a cooling fan is rotatably connected to the inner wall of the support frame. A transmission rod is rotatably connected to the inner wall of the converter. The surface of the unit housing and the transmission rod are in sliding contact. A positioning mechanism is provided on the inner wall of the unit housing, and a protective mechanism is provided on the surface of the generator. The controller drives the sliding seat to reciprocate along the radial direction of the heat dissipation fins on the inner wall of the support tray.

[0012] According to the above technical solution, the top of the exhaust fan is provided with an exhaust hole, the cleaning ring is made of tensile-resistant rubber material, the surface of the storage tray is provided with a storage groove, the telescopic cylinder has an electric telescopic function, the storage tray on the top of the sliding seat moves synchronously, and the cleaning ring on the surface of the storage tray is embedded in the gap of the heat dissipation fins.

[0013] According to the above technical solution, the positioning mechanism includes a positioning disk, which is fixedly connected to the inner wall of the unit housing. A positioning seat is slidably connected to the inner wall of the positioning disk. A storage cavity is fixedly connected to the top of the positioning disk. A transmission pipe is fixedly connected to the inner wall of the storage cavity. A cooling component is provided at the bottom of the positioning seat. The positioning disk is fixed to the inner wall of the unit housing and arranged around the periphery of the gear set. The positioning seat can slide along the annular track of the positioning disk.

[0014] According to the above technical solution, the cooling assembly includes a connecting cylinder, which is fixedly connected to the bottom of the positioning seat. A drive shaft is slidably connected to the inner wall of the connecting cylinder. A sliding arm is fixedly connected to the end of the drive shaft away from the connecting cylinder. A discharge plate is rotatably connected to the inner wall of the sliding arm. A control valve is fixedly connected to the surface of the sliding arm. The end of the transmission pipe away from the storage cavity is fixedly connected to the inner wall of the connecting cylinder. The cooling point is adjusted in real time according to the gear meshing position. Cooling oil is pre-stored in the storage cavity and is transported to the inside of the connecting cylinder through the elastic transmission pipe.

[0015] According to the above technical solution, the storage cavity is filled with cooling oil, one end of the transmission pipe has an elastic contraction function, the transmission shaft has a sliding extension function, the surface of the discharge plate is provided with a discharge groove, and the transmission shaft can extend and retract axially along the inner wall of the connecting cylinder, driving the sliding arm to approach or move away from the gear meshing area.

[0016] According to the above technical solution, the protective mechanism includes a ring body, which is fixedly connected to one end of the generator. A sliding arm is slidably connected to the groove on the surface of the ring body. A guide tube is fixedly connected to the surface of the sliding arm. A cleaning membrane is fixedly connected to the bottom of the guide tube. An adsorption component is provided on the inner wall of the ring body. The ring body is sleeved on the end of the generator. The sliding arm slides circumferentially along the groove on the surface of the ring body, driving the guide tube to move circumferentially along the generator heat dissipation slot.

[0017] According to the above technical solution, the adsorption assembly includes a hinged cylinder, which is rotatably connected to both sides of the inner wall of the ring body. A support frame is fixedly connected to the top of the hinged cylinder, and an adsorption plate is fixedly connected to the bottom of the inner wall of the support frame. An adsorption membrane is fixedly connected to the surface of the support frame. The hinged cylinder rotates along the inner wall of the ring body, causing the support frame to unfold outward.

[0018] According to the above technical solution, the surface of the cleaning membrane is provided with an adsorption groove and a cleaning groove. The cleaning membrane has an elastic stretching function. The cleaning membrane is used to adsorb dust in the generator heat sink. The cleaning membrane at the bottom of the guide tube is embedded in the generator heat sink. The dust and sludge accumulated in the heat sink are scraped away by circumferential scraping.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. This invention incorporates a telescopic mechanism that allows scraped dust to fall into a collection groove on the surface of the collection tray for temporary collection. Simultaneously, exhaust fans on both sides of the collection tray are activated, and the loosened dust is adsorbed into the inside of the collection tray through the top adsorption groove, preventing the dust from being dispersed and re-attached. After cleaning, the absorption pump is activated, generating a high-pressure airflow that blows out through the flow channel of the distribution plate, deeply cleaning the heat dissipation fins and thoroughly removing residual dust from deep crevices, significantly reducing the frequency of manual high-altitude dust cleaning in dusty environments.

[0021] 2. This invention, by setting a positioning mechanism and coordinating with the extension and retraction adjustment of the transmission shaft, can target and cool local hot spots at any position of the gear set, solving the problem of uneven oil temperature distribution in traditional oil cooling. By setting this mechanism, the cooling oil is directly sprayed onto the hot spots where local heat is most concentrated, such as the gear meshing area and bearings, overcoming the limitations of traditional oil cooling's overall spraying and uneven oil temperature distribution. For points with different heat intensities, the amount of oil sprayed can be adjusted by a control valve to achieve on-demand cooling, effectively suppressing gear wear and oil oxidation caused by local overheating.

[0022] 3. This invention, by setting up a protective mechanism, scrapes away the dust and sludge accumulated in the heat dissipation slots through circumferential scraping. The cleaning grooves on the surface of the cleaning film, together with the negative pressure suction of the guide pipe, suck out the scraped dust, achieving deep unblocking of the generator heat dissipation slots. This avoids dust blockage leading to heat dissipation failure and solves the problem of reduced heat dissipation capacity caused by dust blockage in the generator heat dissipation parts. The cleaning process does not require disassembling the generator and can be completed online, significantly reducing the maintenance cost of the generator heat dissipation system.

[0023] 4. By setting up an adsorption component, when air containing salt mist flows through the adsorption component, the adsorption grooves on the surface of the adsorption membrane first intercept large salt mist droplets, and the adsorption disk further adsorbs salt ions in the air; after the multi-layer adsorption structure fully filters out the salt mist components in the air, the clean air then enters the generator heat dissipation channel, avoiding salt mist corrosion of the generator windings and heat dissipation core, and greatly extending the service life of the offshore unit. After adsorption saturation, the hinged cylinder drives the support frame to retract, making it convenient for maintenance personnel to replace the adsorption component. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the unit casing of the present invention;

[0026] Figure 3 This is a perspective view of the telescopic mechanism of the present invention;

[0027] Figure 4 This is a perspective view of the cleaning component of the present invention;

[0028] Figure 5 This is a perspective view of the positioning mechanism of the present invention;

[0029] Figure 6 This is a perspective view of the cooling assembly of the present invention;

[0030] Figure 7 This is a perspective view of the protective mechanism of the present invention;

[0031] Figure 8 This is a three-dimensional view of the adsorption component of the present invention.

[0032] In the diagram: 1. Unit casing; 2. Generator; 3. Gear set; 4. Converter; 5. Support frame; 6. Cooling fan; 7. Telescopic mechanism; 701. Base plate; 702. Telescopic cylinder; 703. Distribution plate; 704. Absorption pump; 705. Cleaning assembly; 7051. Support plate; 7052. Sliding seat; 7053. Collection tray; 7054. Cleaning ring; 7055. Exhaust fan; 7056. Adsorption tank; 8. Positioning mechanism; 801. Positioning plate; 802. Positioning... 803. Seat; 804. Storage cavity; 805. Transfer pipe; 805. Cooling assembly; 8051. Connecting cylinder; 8052. Drive shaft; 8053. Sliding arm; 8054. Control valve; 8055. Discharge plate; 9. Protective mechanism; 901. Ring body; 902. Sliding arm; 903. Guide pipe; 904. Cleaning membrane; 905. Adsorption assembly; 9051. Hinge cylinder; 9052. Support frame; 9053. Adsorption plate; 9054. Adsorption membrane; 10. Drive rod. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.

[0035] 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 or an electrical connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0036] Example 1: See Figures 1-4 The present invention provides a technical solution: a wind turbine cooling device, including a turbine housing 1, a generator 2 fixedly connected to the inner wall of the turbine housing 1, a gear set 3 rotatably connected to one end of the generator 2, and a telescopic mechanism 7 provided at one end of the generator 2.

[0037] The telescopic mechanism 7 includes a base plate 701, which is fixedly connected to one end of the generator 2. A telescopic cylinder 702 is slidably connected to the top of the base plate 701. A distribution plate 703 is fixedly connected to one end of the telescopic cylinder 702. An absorption pump 704 is fixedly connected to the top of the distribution plate 703. A cleaning component 705 is provided on the inner wall of the distribution plate 703. When the wind turbine operates in a dusty environment for a long time, and the heat exchange efficiency decreases due to dust accumulation and blockage on the surface of the heat dissipation fins on the outside of the cooling fan 6, the telescopic mechanism 7 starts a self-cleaning program: First, the base plate 701 is fixed to the end of the generator 2, and the electric telescopic cylinder 702 extends axially, driving the distribution plate 703 to move horizontally towards the cooling fan 6, so that the cleaning component 705 is close to the surface of the heat dissipation fins.

[0038] The cleaning component 705 includes a support plate 7051, which is slidably connected to the inner wall of the distribution plate 703. A sliding seat 7052 is slidably connected to the inner wall of the support plate 7051. The controller drives the support plate 7051 on the inner wall of the distribution plate 703 to slide along a circular track. The controller then drives the sliding seat 7052 to reciprocate along the radial direction of the heat dissipation fins on the inner wall of the support plate 7051. The storage plate 7053 on the top of the sliding seat 7052 moves synchronously.

[0039] The cleaning assembly 705 also includes a collection tray 7053, which is fixedly connected to the top of the sliding seat 7052. A cleaning ring 7054 is fixedly connected to the surface of the collection tray 7053. Exhaust fans 7055 are fixedly connected to both sides of the collection tray 7053. An adsorption groove 7056 is opened on the top of the exhaust fan 7055. A converter 4 is rotatably connected to one end of the gear set 3. The converter 4 is fixedly connected to the inner wall of the unit housing 1. A support frame 5 is fixedly connected to one end of the unit housing 1. A cooling fan 6 is rotatably connected to the inner wall of the support frame 5. A transmission rod 10 is rotatably connected to the inner wall of the converter 4. The surfaces of the unit housing 1 and the transmission rod 10 slide in contact. The inner wall of the unit housing 1 is provided with a positioning mechanism 8. The surface of the generator 2 is provided with a protective mechanism 9. The cleaning ring 7054 on the surface of the collection tray 7053 is embedded in the gap of the heat dissipation fins. The sand and dirt attached to the surface of the fins are scraped off by the scraping action. The scraped dust falls into the collection groove on the surface of the collection tray 7053 for temporary collection. At the same time, the exhaust fans 7055 on both sides of the collection tray 7053 are started. The loosened floating dust is adsorbed into the inside of the collection tray 7053 through the adsorption groove 7056 on the top, so as to prevent the dust from being dispersed and re-attached.

[0040] After wind turbines operate in dusty environments for a long time, the surface of the heat dissipation fins accumulates a lot of dust. Traditional passive filtration methods cannot completely remove the scale buildup in the fin gaps, resulting in a continuous decline in heat exchange efficiency. Therefore, it is necessary to install a cleaning component 705.

[0041] The exhaust fan 7055 has an exhaust hole on its top, the cleaning ring 7054 is made of tensile-resistant rubber material, the surface of the storage tray 7053 has a storage groove, and the telescopic cylinder 702 has an electric telescopic function. After cleaning, the absorption pump 704 starts and generates a high-pressure airflow that blows out through the flow channel of the distribution tray 703 to deeply clean the heat dissipation fins and thoroughly remove residual dust from deep crevices. The telescopic cylinder 702 retracts and resets, completing one self-cleaning cycle. The telescopic cylinder 702 can realize the storage and extension of the cleaning mechanism without affecting the normal operation of the heat dissipation duct, and greatly reduces the frequency of maintenance of manual high-altitude dust cleaning in sandy environments.

[0042] Example 2: Based on Example 1, please refer to the following... Figures 5-6 The present invention provides a technical solution: the positioning mechanism 8 includes a positioning disk 801, which is fixedly connected to the inner wall of the unit housing 1. A positioning seat 802 is slidably connected to the inner wall of the positioning disk 801. A storage cavity 803 is fixedly connected to the top of the positioning disk 801. A transmission pipe 804 is fixedly connected to the inner wall of the storage cavity 803. A cooling component 805 is provided at the bottom of the positioning seat 802. In response to the problem of excessively high oil temperature and uneven temperature distribution in the meshing area of ​​the gear set 3 and bearings, the positioning mechanism 8 achieves precise oil spraying cooling at fixed points. The positioning disk 801 is fixed to the inner wall of the unit housing 1 and arranged around the periphery of the gear set 3. The positioning seat 802 can slide along the annular track of the positioning disk 801 and adjust the cooling point in real time according to the gear meshing position. Cooling oil is pre-stored in the storage cavity 803 and is transported to the inside of the connecting cylinder 8051 through the elastic transmission pipe 804.

[0043] The cooling assembly 805 includes a connecting cylinder 8051, which is fixedly connected to the bottom of the positioning seat 802. A drive shaft 8052 is slidably connected to the inner wall of the connecting cylinder 8051. A sliding arm 8053 is fixedly connected to the end of the drive shaft 8052 away from the connecting cylinder 8051. A discharge disc 8055 is rotatably connected to the inner wall of the sliding arm 8053. A control valve 8054 is fixedly connected to the surface of the sliding arm 8053. The end of the transmission pipe 804 away from the storage cavity 803 is fixedly connected to the inner wall of the connecting cylinder 8051. The drive shaft 8052 can extend and retract axially along the inner wall of the connecting cylinder 8051, driving the sliding arm 8053 to move closer to or away from the gear meshing area, adjusting the oil injection distance. After the cooling oil enters the sliding arm 8053, the flow rate and pressure are adjusted by the control valve 8054, and finally it is sprayed out in a fan shape from the discharge groove on the surface of the discharge plate 8055, precisely spraying on the hot spots where heat is concentrated, such as the gear meshing surface and bearing raceway. The control valve 8054 can control the rotation of the discharge plate 8055 and adjust the spray angle to achieve full coverage cooling of hot spots in different locations.

[0044] When gear set 3 is running, the gear meshing surface, bearing raceway and other parts are localized concentrated heat points. Traditional integral spray oil cooling cannot accurately supply oil to these hot spots, resulting in uneven oil temperature distribution. Therefore, cooling component 805 is required.

[0045] Cooling oil is injected into the storage chamber 803. One end of the transmission pipe 804 has an elastic contraction function, and the drive shaft 8052 has a sliding extension function. The surface of the discharge plate 8055 is provided with a discharge groove. The positioning seat 802 moves circumferentially along the positioning plate 801. With the extension and retraction adjustment of the drive shaft 8052, targeted cooling can be performed on local hot spots at any position of the gear set, solving the problem of uneven oil temperature distribution in traditional oil cooling. By setting this mechanism, cooling oil is directly sprayed onto the hot spots where local heat is most concentrated, such as the gear meshing area and bearings, breaking through the limitations of traditional oil cooling with overall spraying and uneven oil temperature distribution. The amount of oil sprayed can be adjusted by the control valve 8054 for points with different heat intensity to achieve cooling on demand, effectively suppressing gear wear and oil oxidation caused by local overheating.

[0046] Example 3: Based on Example 2, please refer to the following... Figures 7-8The present invention provides a technical solution: the protective mechanism 9 includes a ring body 901, which is fixedly connected to one end of the generator 2. A sliding arm 902 is slidably connected to the groove on the surface of the ring body 901. A guide tube 903 is fixedly connected to the surface of the sliding arm 902. A cleaning membrane 904 is fixedly connected to the bottom of the guide tube 903. An adsorption component 905 is provided on the inner wall of the ring body 901. The ring body 901 is sleeved on the end of the generator 2. The sliding arm 902 slides circumferentially along the groove on the surface of the ring body 901, driving the guide tube 903 to move along the circumferential direction of the generator heat sink. The cleaning membrane 904 at the bottom of the guide tube 903 is embedded in the generator heat sink. The dust and sludge accumulated in the heat sink are scraped away by circumferential scraping.

[0047] The adsorption component 905 includes a hinged cylinder 9051, which is rotatably connected to both sides of the inner wall of the ring body 901. A support bracket 9052 is fixedly connected to the top of the hinged cylinder 9051. The cleaning groove on the surface of the cleaning film 904, together with the negative pressure suction of the guide tube 903, sucks out the scraped dust, thereby achieving deep unblocking of the generator heat sink and avoiding heat dissipation failure caused by dust blockage. This solves the problem of reduced heat dissipation capacity caused by dust blockage in the generator heat dissipation parts. The cleaning process does not require disassembling the generator and can be completed online, significantly reducing the maintenance cost of the generator heat dissipation system.

[0048] The heat dissipation slots of generator 2 are narrow and deep, and dust and sludge are easily accumulated and blocked after mixing. Manual cleaning requires disassembling the generator and is difficult to maintain. Therefore, it is necessary to install an adsorption component 905.

[0049] An adsorption plate 9053 is fixedly connected to the bottom of the inner wall of the support 9052, and an adsorption membrane 9054 is fixedly connected to the surface of the support 9052. During the salt spray protection stage, in a high salt spray environment at sea, the adsorption component 905 on the inner wall of the ring body 901 activates the protection function. The hinge cylinder 9051 rotates along the inner wall of the ring body 901, causing the support 9052 to unfold outward, so that the adsorption plate 9053 and the adsorption membrane 9054 are located on the air intake path of the engine room. When the air containing salt spray flows through the adsorption component 905, the adsorption groove on the surface of the adsorption membrane 9054 first intercepts large salt spray droplets.

[0050] The cleaning membrane 904 has adsorption grooves and cleaning grooves on its surface. The cleaning membrane 904 has elastic expansion and contraction functions. The cleaning membrane 904 is used to adsorb dust in the heat dissipation slot of the generator 2. The adsorption plate 9053 further adsorbs salt ions in the air. After the multi-layer adsorption structure fully filters out the salt mist components in the air, the clean air enters the generator heat dissipation channel, avoiding salt mist corrosion of the generator windings and heat dissipation core, and greatly extending the service life of the offshore unit. After adsorption saturation, the hinged cylinder 9051 drives the support bracket 9052 to retract, which is convenient for maintenance personnel to replace the adsorption component 905.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0052] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wind turbine cooling device, comprising a unit shell (1), the inner wall of the unit shell (1) is fixedly connected with a generator (2), characterized in that, One end of the generator (2) is rotatably connected to a gear set (3), and one end of the generator (2) is provided with a telescopic mechanism (7). The telescopic mechanism (7) includes: A base plate (701) is fixedly connected to one end of a generator (2). A telescopic cylinder (702) is slidably connected to the top of the base plate (701). A distribution plate (703) is fixedly connected to one end of the telescopic cylinder (702). An absorption pump (704) is fixedly connected to the top of the distribution plate (703). A cleaning component (705) is provided on the inner wall of the distribution plate (703). The cleaning component (705) includes: The support plate (7051) is slidably connected to the inner wall of the distribution plate (703). The inner wall of the support plate (7051) is slidably connected to a sliding seat (7052). The distribution plate (703) is used to drive the support plate (7051) to slide and position itself on its inner wall.

2. The wind turbine cooling device according to claim 1, characterized in that: The cleaning assembly (705) also includes a collection tray (7053), which is fixedly connected to the top of the sliding seat (7052). A cleaning ring (7054) is fixedly connected to the surface of the collection tray (7053). Exhaust fans (7055) are fixedly connected to both sides of the collection tray (7053). An adsorption groove (7056) is provided on the top of the exhaust fan (7055). A converter (4) is rotatably connected to one end of the gear set (3). The converter (4) is connected to the unit. The inner wall of the shell (1) is fixedly connected, and a support frame (5) is fixedly connected to one end of the unit shell (1). A cooling fan (6) is rotatably connected to the inner wall of the support frame (5). A transmission rod (10) is rotatably connected to the inner wall of the converter (4). The surface of the unit shell (1) and the transmission rod (10) are in sliding contact. A positioning mechanism (8) is provided on the inner wall of the unit shell (1). A protective mechanism (9) is provided on the surface of the generator (2). The adsorption tank (7056) is used to adsorb wind and sand.

3. The wind turbine cooling device according to claim 2, characterized in that: The exhaust fan (7055) has an exhaust hole on its top, the cleaning ring (7054) is made of tensile-resistant rubber material, the storage tray (7053) has a storage groove on its surface, the telescopic cylinder (702) has an electric telescopic function, and the absorption pump (704) is used to absorb external air and generate high-pressure airflow.

4. A wind turbine cooling device according to claim 2, characterized in that: The positioning mechanism (8) includes a positioning disk (801), which is fixedly connected to the inner wall of the unit housing (1). A positioning seat (802) is slidably connected to the inner wall of the positioning disk (801). A storage cavity (803) is fixedly connected to the top of the positioning disk (801). A transmission pipe (804) is fixedly connected to the inner wall of the storage cavity (803). A cooling component (805) is provided at the bottom of the positioning seat (802). The positioning disk (801) is used to drive the positioning seat (802) to slide and position itself on its inner wall.

5. A wind turbine cooling device according to claim 4, characterized in that: The cooling assembly (805) includes a connecting cylinder (8051), which is fixedly connected to the bottom of the positioning seat (802). A drive shaft (8052) is slidably connected to the inner wall of the connecting cylinder (8051). A sliding arm (8053) is fixedly connected to one end of the drive shaft (8052) away from the connecting cylinder (8051). A discharge plate (8055) is rotatably connected to the inner wall of the sliding arm (8053). A control valve (8054) is fixedly connected to the surface of the sliding arm (8053). One end of the transmission pipe (804) away from the storage cavity (803) is fixedly connected to the inner wall of the connecting cylinder (8051). The control valve (8054) is used to drive the discharge plate (8055) to rotate on the inner wall of the sliding arm (8053).

6. A wind turbine cooling device according to claim 5, characterized in that: The storage cavity (803) is filled with cooling oil, one end of the transmission pipe (804) has an elastic contraction function, the transmission shaft (8052) has a sliding extension function, the surface of the discharge plate (8055) is provided with a discharge groove, and the positioning plate (801) is located in the gear meshing area of ​​the gear set (3).

7. A wind turbine cooling device according to claim 2, characterized in that: The protective mechanism (9) includes a ring body (901), which is fixedly connected to one end of the generator (2). A sliding arm (902) is slidably connected to the slot on the surface of the ring body (901). A guide tube (903) is fixedly connected to the surface of the sliding arm (902). A cleaning membrane (904) is fixedly connected to the bottom of the guide tube (903). An adsorption component (905) is provided on the inner wall of the ring body (901). The cleaning membrane (904) is used to clean the heat dissipation slots of the generator (2).

8. A wind turbine cooling device according to claim 7, characterized in that: The adsorption assembly (905) includes a hinged cylinder (9051), which is rotatably connected to both sides of the inner wall of the ring body (901). A support frame (9052) is fixedly connected to the top of the hinged cylinder (9051), and an adsorption plate (9053) is fixedly connected to the bottom of the inner wall of the support frame (9052). An adsorption membrane (9054) is fixedly connected to the surface of the support frame (9052), and the adsorption plate (9053) is used to adsorb salt spray.

9. A wind turbine cooling device according to claim 8, characterized in that: The surface of the cleaning membrane (904) is provided with an adsorption groove (7056) and a cleaning groove. The cleaning membrane (904) has an elastic stretching function and is used to adsorb dust at the heat dissipation groove of the generator (2).

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