CN108443090A - A kind of wind generator unit wheel hub component ventilation heat abstractor - Google Patents
A kind of wind generator unit wheel hub component ventilation heat abstractor Download PDFInfo
- Publication number
- CN108443090A CN108443090A CN201810091455.7A CN201810091455A CN108443090A CN 108443090 A CN108443090 A CN 108443090A CN 201810091455 A CN201810091455 A CN 201810091455A CN 108443090 A CN108443090 A CN 108443090A
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- CN
- China
- Prior art keywords
- wheel hub
- air inlet
- wing plate
- kuppe
- generator unit
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind generator unit wheel hub component ventilation heat abstractors, including：Wheel hub (1)；Kuppe (2) is covered in the wheel hub (1) outer surface；Wing plate (3) is mounted on the kuppe (2), and the wing plate is arranged between each two blade；Wherein, wing plate (3) surface, which is arranged in order, is provided with several air inlets (4), and the air inlet (4) is connected to the inside and outside of the wheel hub (1).The wind generator unit wheel hub component ventilation heat abstractor of the present invention on wing plate by being arranged multiple air inlets, it is that effective heat exchange can be carried out inside and outside wheel hub, wheel hub is effectively cooled down in the case where additionally not increasing cooling system, it is simple in structure safe and reliable.The important component in wheel hub such as pitch control cabinet, accumulator and pitch drive is avoided to alarm shutdown because temperature rises.The service life and performance of wheel hub electrical equipment are also increased simultaneously, ensure wind power generating set long-time normal operation.
Description
Technical field
The invention belongs to wind power generation fields, and in particular to a kind of wind generator unit wheel hub component ventilation heat abstractor.
Background technology
Wind power generating set is generally mounted to remote districts, and the environmental condition of unit operation is especially severe.Summer temp is logical
40 DEG C often are can reach, or even often occurs more than 40 DEG C of weather condition.How unit under the high temperature conditions normal operation is ensured,
It is one of the important problem that industry is faced.
The hub interior of unit is equipped with a large amount of machinery and electric component, and hub interior space is especially narrow, respectively
Component is installed very intensive.Wheel hub inside and outside does not have air circulation with extraneous, is highly detrimental to radiate in structure.And variable pitch control
These important components of cabinet, accumulator and pitch drive processed have overheating protection, and temperature, which is more than setting value, can alarm until stopping
Machine.In wind-powered electricity generation industry, hub unit heat dissipation is a professional problem.
Invention content
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of wind generator unit wheel hub components
Ventilation heat abstractor.The technical problem to be solved in the present invention is achieved through the following technical solutions：
An embodiment of the present invention provides a kind of wind generator unit wheel hub component ventilation heat abstractors, including：Wheel hub；
Kuppe is covered in the hub outside surface；
Wing plate is mounted on the kuppe, and the wing plate is arranged between each two blade；
Wherein, the wing plate surface, which is arranged in order, is provided with several air inlets, and the air inlet is connected to the interior of the wheel hub
Portion and outside.
In a specific embodiment, the wing plate bottom has a recess portion, air inlet setting the recess portion most
Inner end.
In a specific embodiment, the air inlet is rectangle structure.
In a specific embodiment, the air inlet long side and the relationship of broadside are：
Wherein, Q is heat dissipation capacity in wheel hub, and C is air specific heat, and ρ is atmospheric density, and n is hub rotation speed, and r is kuppe half
Diameter, N are the quantity of kuppe upper air inlet, and Δ T is kuppe internal-external temperature difference, and a is the long side of air inlet, and b is the width of air inlet
Side, and a ＞ b.
Compared with prior art, beneficial effects of the present invention：
The present invention wind generator unit wheel hub component ventilation heat abstractor by the way that multiple air inlets are arranged on wing plate, be
Effective heat exchange can be carried out inside and outside wheel hub, wheel hub is carried out in the case where additionally not increasing cooling system effective cold
But, simple in structure safe and reliable.Avoid important component such as pitch control cabinet, accumulator and pitch drive in wheel hub because
Temperature rises and alarms and shut down.The service life and performance of wheel hub electrical equipment are also increased simultaneously, when ensureing wind-driven generator group leader
Between normal operation.
Description of the drawings
Fig. 1 is a kind of wind generator unit wheel hub component ventilation heat abstractor structural representation provided in an embodiment of the present invention
Figure；
Fig. 2 is present invention air inlet wing plate close-up schematic view；
Fig. 3 is air inlet structure schematic diagram of the present invention.
Specific implementation mode
Further detailed description is done to the present invention with reference to specific embodiment, but embodiments of the present invention are not limited to
This.
Embodiment one
Fig. 1 is referred to, Fig. 1 is the wind generator unit wheel hub component ventilation heat abstractor that inventive embodiments provide, including：
Wheel hub 1；
Kuppe 2 is covered in 1 outer surface of the wheel hub；
Wing plate 3 is mounted on the kuppe 1, and the wing plate 3 is arranged between each two blade；
Wherein, 3 surface of the wing plate, which is arranged in order, is provided with several air inlets 4, and the air inlet 4 is connected to the wheel hub 1
Inside with it is external.
In order to more intuitively show the connection relation of wing plate and kuppe of the present invention, Fig. 2 is referred to, kuppe is spherical
Structure, air inlet wing plate can have multiple, and air inlet wing plate is fixed around kuppe spherical surface.
Specifically, kuppe is the case of wheel hub, play the role of protection and rain-proof dust-proof, while also protecting and facilitating dimension
Shield personnel enter wheel hub, such as in a kind of equipment, and personnel are entered from nacelle inlet, before hub outside surface crawls into wheel hub
Enter hub interior behind end, due to containing electrical equipments and the pitch axis such as pitch control cabinet, pitch motor, accumulator in wheel hub
It holds, the mechanical parts such as variable paddle speed reducer.
In a specific embodiment, Fig. 2 is referred to, Fig. 2 is present invention air inlet wing plate close-up schematic view, the wing
There is 3 bottom of plate a recess portion 31, the air inlet 4 to be arranged in 31 innermost end of the recess portion.
Specifically, the shape of air inlet wing plate is " bird head ", as there is the concaveconvex structure of protruding parts and depressed area,
Air inlet is located at groove, allows for air inlet in this way and is blocked by protruding portion, avoids dust and other impurities direct to a certain extent
Into in addition, if when raining, since device is in rotary course, groove might have a small amount of ponding, by increasing air inlet
The setting height of mouth, can enter air inlet to avoid ponding.
The kuppe air inlet wing plate rain-proof dust-proof structure of the present invention can be cleverer by the clump weight for being arranged in baffle moved end
Living is adjusted, and avoids because wind-force is excessive or the too fast normal open and-shut mode of influence air inlet of hub rotation.
Need good heat dissipation performance again as wheel hub, the bigger heat dissipation performance of air inlet is better, but be also easier to make rainwater,
Other solid particulate matters enter hub interior, but air inlet is too small, then are unfavorable for heat dissipation in wheel hub, this allows for protection wheel hub
Contradiction is formd between device security and raising heat dissipation performance, therefore, this is provided with the size of air inlet very high requirement.
In a specific embodiment, Fig. 3 is referred to, Fig. 3 is air inlet structure schematic diagram of the present invention, the air inlet 4
For rectangle structure, short side is arc-shaped, and the relationship of 4 long side of the air inlet and broadside is：
Wherein, Q is heat dissipation capacity in wheel hub, and C is air specific heat, and ρ is atmospheric density, and n is hub rotation speed, and r is kuppe half
Diameter, N are the quantity of kuppe upper air inlet, and Δ T is kuppe internal-external temperature difference, and a is the long side of air inlet, and b is the width of air inlet
Side, and a ＞ b.In specific calculate, Δ T is generally 5 DEG C or so.N is the rated speed of unit operation, and rated speed is：Rotating speed
Change with wind speed, unit is after reaching incision wind speed, and wheel hub rotation, blade is always maintained at out paddle state at this time, specified when reaching
After torque, pitch-controlled system starts and starts to generate heat, and rotating speed at this time is rated speed.The present invention can by above-mentioned formula
The optimal size of air inlet is obtained, radiating efficiency is improved in the case where not influencing device normal operation, the present invention passes through design
The quantity and size of air inlet, and wheel hub rotary speed is combined to calculate air inlet wind speed, and then the intake that can be needed
Ensure cooling performance.
In a specific embodiment, it is additionally provided with dust guard in the air inlet.
In a specific embodiment, the dust guard is filter screen, passes through dust guard filtering external sand and dust etc.
Grain avoids it from entering inside kuppe and component is caused to damage.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (4)
1. a kind of wind generator unit wheel hub component ventilation heat abstractor, which is characterized in that including：
Wheel hub (1)；
Kuppe (2) is covered in the wheel hub (1) outer surface；
Wing plate (3) is mounted on the kuppe (2), and the wing plate is arranged between each two blade；
Wherein, wing plate (3) surface, which is arranged in order, is provided with several air inlets (4), and the air inlet (4) is connected to the wheel hub
(1) inside and outside.
2. wind generator unit wheel hub component ventilation heat abstractor according to claim 1, which is characterized in that the wing plate
(3) there is a recess portion (31), the air inlet (4) to be arranged in the recess portion (31) innermost end for bottom.
3. wind generator unit wheel hub component ventilation heat abstractor according to claim 1, which is characterized in that the air inlet
Mouth (4) is rectangle structure.
4. wind generator unit wheel hub component ventilation heat abstractor according to claim 3, which is characterized in that the air inlet
Mouth (4) long side and the relationship of broadside are：
Wherein, Q is heat dissipation capacity in wheel hub, and C is air specific heat, and ρ is atmospheric density, and n is hub rotation speed, and r is kuppe radius, N
For the quantity of kuppe upper air inlet, Δ T is kuppe internal-external temperature difference, and a is the long side of air inlet, and b is the broadside of air inlet, and
A ＞ b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091455.7A CN108443090A (en) | 2018-01-30 | 2018-01-30 | A kind of wind generator unit wheel hub component ventilation heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091455.7A CN108443090A (en) | 2018-01-30 | 2018-01-30 | A kind of wind generator unit wheel hub component ventilation heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443090A true CN108443090A (en) | 2018-08-24 |
Family
ID=63191428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810091455.7A Pending CN108443090A (en) | 2018-01-30 | 2018-01-30 | A kind of wind generator unit wheel hub component ventilation heat abstractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578227A (en) * | 2018-11-09 | 2019-04-05 | 大唐向阳风电有限公司 | A kind of pressure cooling system for Wind turbine pitch control cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201273249Y (en) * | 2009-03-04 | 2009-07-15 | 江阴远景能源科技有限公司 | Megawatt-level wind generator set with ventilating device |
| TW201348581A (en) * | 2012-01-23 | 2013-12-01 | Hitachi Ltd | Wind turbine generator |
| EP2724022A1 (en) * | 2012-07-31 | 2014-04-30 | Mitsubishi Heavy Industries, Ltd. | Wind turbine with ventilation arrangement |
| CN205117633U (en) * | 2015-08-05 | 2016-03-30 | 广东明阳风电产业集团有限公司 | Heat dissipation structure for high temperature modification wind generating set wheel hub system |
| CN106640554A (en) * | 2016-12-12 | 2017-05-10 | 北京金风科创风电设备有限公司 | Heat dissipation system and heat dissipation method for wind generating set and wind generating set |
-
2018
- 2018-01-30 CN CN201810091455.7A patent/CN108443090A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201273249Y (en) * | 2009-03-04 | 2009-07-15 | 江阴远景能源科技有限公司 | Megawatt-level wind generator set with ventilating device |
| TW201348581A (en) * | 2012-01-23 | 2013-12-01 | Hitachi Ltd | Wind turbine generator |
| EP2724022A1 (en) * | 2012-07-31 | 2014-04-30 | Mitsubishi Heavy Industries, Ltd. | Wind turbine with ventilation arrangement |
| CN205117633U (en) * | 2015-08-05 | 2016-03-30 | 广东明阳风电产业集团有限公司 | Heat dissipation structure for high temperature modification wind generating set wheel hub system |
| CN106640554A (en) * | 2016-12-12 | 2017-05-10 | 北京金风科创风电设备有限公司 | Heat dissipation system and heat dissipation method for wind generating set and wind generating set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578227A (en) * | 2018-11-09 | 2019-04-05 | 大唐向阳风电有限公司 | A kind of pressure cooling system for Wind turbine pitch control cabinet |
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Application publication date: 20180824 |
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