CN107605672A - Wind generator unit wheel hub temperature control equipment - Google Patents

Wind generator unit wheel hub temperature control equipment Download PDF

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Publication number
CN107605672A
CN107605672A CN201610540464.0A CN201610540464A CN107605672A CN 107605672 A CN107605672 A CN 107605672A CN 201610540464 A CN201610540464 A CN 201610540464A CN 107605672 A CN107605672 A CN 107605672A
Authority
CN
China
Prior art keywords
wheel hub
blade
generator unit
temperature control
wind generator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610540464.0A
Other languages
Chinese (zh)
Inventor
黄金余
陶友传
刘亚林
张帆
陈帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Shipbuilding Heavy Industry Offshore Wind Power Ltd By Share Ltd
CSIC Haizhuang Windpower Co Ltd
Original Assignee
China Shipbuilding Heavy Industry Offshore Wind Power Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Shipbuilding Heavy Industry Offshore Wind Power Ltd By Share Ltd filed Critical China Shipbuilding Heavy Industry Offshore Wind Power Ltd By Share Ltd
Priority to CN201610540464.0A priority Critical patent/CN107605672A/en
Publication of CN107605672A publication Critical patent/CN107605672A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Wind Motors (AREA)

Abstract

The present invention proposes a kind of wind generator unit wheel hub temperature control equipment, including wheel hub, kuppe and multiple blades being connected respectively with wheel hub, the wheel hub and the blade are respectively provided with inner chamber, one ventilation driving equipment is installed in the inner chamber of the wheel hub, at least one blade inner chamber is provided with the air ducting being distributed along the length of blade, the air inlet or air outlet of the ventilation driving equipment are connected with one end of the air ducting, the intracavity inter-connection of the other end of the air ducting and the blade.The present invention for it is a kind of it is simple in construction be applicable, reliability height, the wind generator unit wheel hub temperature control equipment that cost is cheap, convenient for installation and maintenance, realize the control to hub inner lumen temperature.Ensure that temperature also ensures that unit is not invaded and harassed by the external world while within the ambient temperature range of each parts normal operation in wheel hub.Meet the requirement of unit under conditions of low cost, it is ensured that the reliability of unit.

Description

Wind generator unit wheel hub temperature control equipment
Technical field
The present invention relates to technical field of temperature control in wind generator unit wheel hub, and in particular to a kind of wind power generating set Wheel hub temperature control equipment.
Background technology
Wind power generating set is to convert wind energy into a kind of device of electric energy, is typically made up of tower, cabin and wind wheel, tower Cylinder is generally used for supporting cabin to high-altitude.Wind wheel part mainly includes blade, wheel hub, kuppe, variable blade control system etc.. Wind wheel structure is double-decker in form, and outer layer is kuppe, and it, which is acted on, mainly prevents wind and rain, sand and dust and air-flow from entering inlet air Wheel is internal, and the parts in wind wheel are adversely affected.Internal layer is wheel hub, is thick and heavy metal level, and it, which is acted on, mainly holds By the load of blade and whole wind wheel.The related components of variable blade control system are also typically mounted to hub inner lumen.When unit is transported During row, the related components of variable blade control system, which can give off heat, accumulates in hub inner lumen, causes hub inner lumen temperature to raise, respectively Parts overtemperature, finally forces compressor emergency shutdown.
The mainstream technology for solving each parts overtemperatute in wheel hub both at home and abroad at present mainly has three kinds.
1st, air holes is opened on wheel hub wall, is forced outside the air and wheel hub of hub inner lumen(Between kuppe and wheel hub)Formed Circulate, when hot-air flow to position between wheel hub and kuppe, heat is passed to by the external world by kuppe heat conduction.Heat The temperature of air is again introduced into hub inner lumen circulation after reducing, to reach temperature in control hub inner lumen, so as to solve parts The purpose of overtemperatute.But because kuppe is generally glass steel material, thermal conductivity factor is relatively low, and the limited area of kuppe, Cause heat output limited, so it is difficult to the control of hub inner lumen temperature is arrived into lower temperature.Although the program can be to a certain extent Solve parts overtemperatute, but parts are still run under comparative high temperature environment, to the performance requirement phase of parts To higher, simultaneously because running at relatively high temperatures, accelerate parts aging, shorten parts service life.
2nd, the perforate on kuppe, makes cool ambient air directly be skimmed over from hub outer wall, passes through the high heat conduction of metal wheel hub The heat transfer of hub inner lumen into outside air, or is directly introduced external air into hub inner lumen by coefficient.Although the program The temperature of hub inner lumen can be controlled in lower temperature, but in this scenario, the purpose of kuppe is used for the purpose of preventing rainwater Into hub inner lumen, and will even be drenched with rain by wind for a long time for the parts in non-hub inner chamber, therefore for this The corrosion resistance of parts thereof requires very high.In addition, the program is difficult to avoid sand and dust and salt fog to each zero in whole wind wheel The influence of part.
3rd, the grade of each parts high temperature resistance service ability in wind wheel is improved, to improve each parts self performance grade It is required that to solve overtemperatute.The program undoubtedly can solve parts overtemperatute, but and can not select versatility Industrial part, while the performance rate of parts is improved, the cost of parts is set also to increase at double.
In view of this, it is special to propose the present invention.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
For this, the invention provides a kind of wind generator unit wheel hub temperature control equipment, its concrete technical scheme are as follows:
A kind of wind generator unit wheel hub temperature control equipment, including wheel hub, kuppe and multiple be connected respectively with wheel hub Blade, the wheel hub and the blade are respectively provided with inner chamber, are provided with a ventilation driving equipment in the inner chamber of the wheel hub, and at least one Individual blade inner chamber be provided with along the length of blade be distributed air ducting, it is described ventilation driving equipment air inlet or air outlet with One end of the air ducting is connected, the intracavity inter-connection of the other end of the air ducting and the blade.
According to wind generator unit wheel hub temperature control equipment provided by the invention, it is applicable, reliably for one kind is simple in construction Property high, the wind generator unit wheel hub temperature control equipment that cost is cheap, convenient for installation and maintenance, realize to hub inner lumen temperature Control.Ensure that temperature also ensures unit not by outer while within the ambient temperature range of each parts normal operation in wheel hub The invasion of boundary's sand and dust and salt fog.So as to reduce the performance requirement to each parts, each parts are made to keep industrial general.So as to Increase the alternative of each parts, reduce the cost of each parts, the requirement of unit is met under conditions of low cost, Ensure the reliability of unit.
In addition, wind generator unit wheel hub temperature control equipment according to the above embodiment of the present invention, can also have such as Additional technical characteristic down:
According to the example of the present invention, the blade inner chamber is being provided with a bucket cover plate close to described hub inner lumen one end, The bucket cover plate is provided with a mounting hole, and the air ducting is arranged on the mounting hole, Kong Shang, and the air ducting can be Completely cut off the blade inner chamber and the wheel hub along the axial rotation of air ducting, the bucket cover plate in the ventilation driving equipment Inner chamber, the bucket cover plate are provided with multiple ventilation gaps on the junction and/or the cover plate with the blade inwall.
According to the example of the present invention, the ventilation gap is the breach being arranged on the bucket cover plate.
According to the example of the present invention, the air ducting includes a body, and described body one end is driven with the ventilation Dynamic equipment is connected, another end opening, and a mounting hole being adapted with the body, the pipe are provided with the bucket cover plate Body be arranged on the mounting hole on, the body can the mounting hole and/or it is described ventilation driving equipment on axial rotation, institute Mounting hole is stated to be tightly connected with the body.
According to the example of the present invention, the air ducting includes the multiple dividing plates for being arranged on intracavitary in the blade, One end of the dividing plate is connected with the bucket cover plate, and blade is divided into multiple passages, the bucket cover plate by the dividing plate On be provided with the perforate for connecting the passage and the air ducting.
According to the example of the present invention, in addition to master control system and the temperature detection dress in the hub inner lumen Put, the master control system is connected with the temperature-detecting device and ventilation drive device respectively, the temperature-detecting device pair Temperature in hub inner lumen monitors and transmits monitoring result to the master control system in real time, and the master control system is according to the prison Survey the opening/closing of drive device of being divulged information described in output control.
According to the example of the present invention, the device for detecting temperature includes temperature sensor.
According to the example of the present invention, the quantity of the blade is three, and each described blade is provided with and it Corresponding ventilation driving equipment.
According to the example of the present invention, the material of the blade includes glass fibre and timber.
According to the example of the present invention, the ventilation driving equipment includes blower fan.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of the wind generator unit wheel hub temperature control equipment of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
With reference to shown in accompanying drawing 1, a kind of wind generator unit wheel hub temperature control equipment, wind-power electricity generation are present embodiments provided The blade 200 that unit can include wheel hub 100, be connected with wheel hub, what the present invention made thes improvement is that:Wheel hub cavity is installed There is a ventilation driving equipment 300, at least one blade inner chamber is provided with the air ducting 400 along the distribution of lengths of blade 200, wind-guiding dress Putting 400 can be in ventilation driving equipment 200 along the axial rotation of air ducting, the air inlet for driving equipment 300 of divulging information or air-out Mouth is connected with air ducting 400, the intracavity inter-connection of air ducting 400 and blade 200, divulges information and drives when wheel hub temperature is too high Hot-air is delivered in the inner chamber of blade 200 by dynamic equipment 300 by air ducting, is radiated by blade 200.
Specifically, in the present embodiment, blade inner chamber is close to hub inner lumen one end(I.e. near root of blade)It is provided with One bucket cover plate 500, bucket cover plate 500 completely cut off blade inner chamber and hub inner lumen, and bucket cover plate 500 is in the connection with blade inwall Place is provided with multiple ventilation gaps 600.Specific ventilation driving equipment 300 can be the structures such as blower fan.
When driving equipment 300 of divulging information is run, air will be in the inner chamber of blade 200, air ducting 400, the inner chamber of wheel hub 100 Circulated with ventilation gap 600.Heat absorption state, temperature rise are in when air flow is to 100 inner chamber of wheel hub;Work as air When flowing to 200 inner chamber of blade, in heat release state --- heat is transmitted to the internal face of blade 200 because temperature is higher, is led to Cross the heat conduction of blade 200 and transfer heat to the outside wall surface of blade 200, then the quick flowing by the outside wall surface air of blade 200, by heat Amount is delivered in outside air, and reduces the inner chamber air themperature of blade 200.Followed again after the air heat release of the inner chamber of blade 200 Ring absorbs heat again when flowing to the inner chamber of wheel hub 100, so circulation, so as to by the heat transfer of the inner chamber of wheel hub 100 to the external world, in fact Now to the control of the temperature of wheel hub 100.According to the caloric value of each parts in wheel hub 100, any one blade 200 or several can be selected Blade 200 carries out the implementation of the program.Specifically, in the present embodiment, the quantity of blade 200 is three, each blade 200 Ventilation driving equipment 300 corresponding thereto is provided with, radiating efficiency can be improved.
Specifically, in the present embodiment, the form of air ducting 400 can be an independent body, and body one end is with leading to Wind driving equipment 300 is connected, another end opening, and a mounting hole being adapted with body, body are provided with bucket cover plate 500 On mounting hole, mounting hole is tightly connected with body.
Certainly, as long as the device that the position that can ensure that air and can be set in wheel hub and blade circulates, it is believed that It is air ducting, for example, another form as air ducting 400, air ducting can also be by the intracavitary in blade 200 Multiple dividing plates(It is not shown)Formed, one end of dividing plate is connected with bucket cover plate 500, and blade 200 is divided into multiple logical by dividing plate Road, the perforate for connecting the passage and air ducting 400 is provided with bucket cover plate 500.
It is accurate, real-time to the temperature control of wheel hub in order to ensure the automatic control of whole system, this wind power generating set The temperature-detecting device of wheel hub temperature control equipment intracavitary also including master control system and in wheel hub 100, specifically, temperature Monitoring device includes temperature sensor.Master control system is connected with temperature-detecting device and ventilation drive device respectively, temperature inspection Survey device to monitor the temperature of intracavitary in wheel hub 100 in real time and transmit monitoring result to master control system, master control system is according to prison Survey the opening/closing of output control ventilation drive device.The temperature control equipment of wheel hub 100 runs control process:Installed in wheel hub 100 One temperature sensor is monitored in real time to the inner chamber temperature of wheel hub 100, and is delivered to master control system.When master control system sends out wheel hub When temperature is in higher temperature in 100, sends and instruct and start the temperature control equipment of wheel hub 100;When temperature reduces in wheel hub 100 During to lower temperature, send and instruct and stop the temperature control equipment of wheel hub 100.If there is how each temperature control equipment of wheel hub 100 (Radiator is used as by the use of a more than blade 200), the start and stop for the temperature control equipment of wheel hub 100 can simultaneously, also may be used To be height start and stop certain a set of or several set therein according to temperature in wheel hub 100.Specific master control system can include CPU Deng as long as temperature control and the purpose of device opening and closing can be realized.
As shown in figure 1, specifically, in the present embodiment, ventilation gap 600 is multiple on bucket cover plate 500 to be arranged on Breach, the setting form of the breach is not unique, as long as so that ventilation gap disclosure satisfy that to form air circulation.
Specifically, in the present embodiment, the material of blade 200 includes glass fibre and timber, naturally it is also possible to is other Material, although the thermal conductivity factor of both materials is all relatively low, because blade area is larger, so remaining able to meet wheel hub Cooling requirements, if more preferable effect can be played using the preferable material of other thermal diffusivities certainly.
In summary, the wind generator unit wheel hub temperature control equipment that the present embodiment provides, it is simple in construction suitable for one kind With, reliability is high, the wind generator unit wheel hub temperature control equipment that cost is cheap, convenient for installation and maintenance, it is possible to achieve to wheel The control of hub inner chamber temperature.Ensure that temperature is also protected while within the ambient temperature range of each parts normal operation in wheel hub Card unit is not invaded and harassed by extraneous sand and dust and salt fog.So as to reduce the performance requirement to each parts, each parts are made to keep work Industry versatility.So as to the cost for increasing the alternative of each parts, reducing each parts, machine is met under conditions of low cost The requirement of group, it is ensured that the reliability of unit.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, unless separately There is clearly specific limit.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (10)

  1. A kind of 1. wind generator unit wheel hub temperature control equipment, it is characterised in that including wheel hub, kuppe and it is multiple respectively with The blade that wheel hub is connected, the wheel hub and the blade are respectively provided with inner chamber, and ventilation drive is provided with the inner chamber of the wheel hub Dynamic equipment, at least one blade inner chamber are provided with the air ducting being distributed along the length of blade, and the ventilation driving equipment is entered Air port or air outlet are connected with one end of the air ducting, the inner chamber phase of the other end of the air ducting and the blade Connection.
  2. 2. wind generator unit wheel hub temperature control equipment according to claim 1, it is characterised in that the blade inner chamber One bucket cover plate is being installed close to described hub inner lumen one end, the bucket cover plate is provided with a mounting hole, the air ducting On the mounting hole, the air ducting can be in the ventilation driving equipment along the axial rotation of air ducting, institute State bucket cover plate and completely cut off the blade inner chamber and the hub inner lumen, the bucket cover plate is in the junction with the blade inwall And/or the cover plate is provided with multiple ventilation gaps.
  3. 3. wind generator unit wheel hub temperature control equipment according to claim 2, it is characterised in that the ventilation gap For the breach being arranged on the bucket cover plate.
  4. 4. wind generator unit wheel hub temperature control equipment according to claim 2, it is characterised in that the air ducting Including a body, described body one end is connected with the ventilation driving equipment, another end opening, is set on the bucket cover plate There is a mounting hole being adapted with the body, the body is arranged on the mounting hole, and the body can be in the installation Axial rotation on hole and/or the ventilation driving equipment, the mounting hole are tightly connected with the body.
  5. 5. wind generator unit wheel hub temperature control equipment according to claim 2, it is characterised in that the air ducting Multiple dividing plates including being arranged on intracavitary in the blade, one end of the dividing plate are connected with the bucket cover plate, it is described every Blade is divided into multiple passages by plate, and the perforate for connecting the passage and the air ducting is provided with the bucket cover plate.
  6. 6. wind generator unit wheel hub temperature control equipment according to claim 1, it is characterised in that also including master control system System and the temperature-detecting device in the hub inner lumen, the master control system respectively with the temperature-detecting device and lead to Wind driven device is connected, the temperature-detecting device in hub inner lumen temperature in real time monitoring and by monitoring result transmit to The master control system, the master control system are opening/closing according to the monitoring result control ventilation drive device.
  7. 7. wind generator unit wheel hub temperature control equipment according to claim 6, it is characterised in that the temperature monitoring Device includes temperature sensor.
  8. 8. wind generator unit wheel hub temperature control equipment according to claim 1, it is characterised in that the number of the blade Measure as three, each described blade is provided with ventilation driving equipment corresponding thereto.
  9. 9. according to the wind generator unit wheel hub temperature control equipment described in claim any one of 1-8, it is characterised in that described The material of blade includes glass fibre and timber.
  10. 10. according to the wind generator unit wheel hub temperature control equipment described in claim any one of 1-8, it is characterised in that institute Stating ventilation driving equipment includes blower fan.
CN201610540464.0A 2016-07-11 2016-07-11 Wind generator unit wheel hub temperature control equipment Pending CN107605672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610540464.0A CN107605672A (en) 2016-07-11 2016-07-11 Wind generator unit wheel hub temperature control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610540464.0A CN107605672A (en) 2016-07-11 2016-07-11 Wind generator unit wheel hub temperature control equipment

Publications (1)

Publication Number Publication Date
CN107605672A true CN107605672A (en) 2018-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610540464.0A Pending CN107605672A (en) 2016-07-11 2016-07-11 Wind generator unit wheel hub temperature control equipment

Country Status (1)

Country Link
CN (1) CN107605672A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111695255A (en) * 2020-06-09 2020-09-22 中国船舶重工集团海装风电股份有限公司 Coupling verification and design method for wind wheel cooling system of wind generating set

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005069082A (en) * 2003-08-22 2005-03-17 Fuji Heavy Ind Ltd Temperature controller of windmill
CN101029624A (en) * 2005-11-18 2007-09-05 通用电气公司 Rotor for a wind energy turbine and method for controlling the temperature inside a rotor hub
CN201705590U (en) * 2010-06-22 2011-01-12 沈阳瑞祥风能设备有限公司 Hub natural ventilating and filtering structure
CN102444544A (en) * 2010-10-06 2012-05-09 通用电气公司 System and method of distributing air within wind turbine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005069082A (en) * 2003-08-22 2005-03-17 Fuji Heavy Ind Ltd Temperature controller of windmill
CN101029624A (en) * 2005-11-18 2007-09-05 通用电气公司 Rotor for a wind energy turbine and method for controlling the temperature inside a rotor hub
CN201705590U (en) * 2010-06-22 2011-01-12 沈阳瑞祥风能设备有限公司 Hub natural ventilating and filtering structure
CN102444544A (en) * 2010-10-06 2012-05-09 通用电气公司 System and method of distributing air within wind turbine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111695255A (en) * 2020-06-09 2020-09-22 中国船舶重工集团海装风电股份有限公司 Coupling verification and design method for wind wheel cooling system of wind generating set
CN111695255B (en) * 2020-06-09 2022-07-05 中国船舶重工集团海装风电股份有限公司 Coupling verification and design method for wind wheel cooling system of wind generating set

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