CN108361158A - A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly - Google Patents
A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly Download PDFInfo
- Publication number
- CN108361158A CN108361158A CN201810092044.XA CN201810092044A CN108361158A CN 108361158 A CN108361158 A CN 108361158A CN 201810092044 A CN201810092044 A CN 201810092044A CN 108361158 A CN108361158 A CN 108361158A
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- China
- Prior art keywords
- air inlet
- kuppe
- wing plate
- baffle
- proof
- 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.)
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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 kuppes to enter the wind wing plate rain-proof dust-proof structure, including：Kuppe (1)；Wing plate (11) is mounted on the kuppe (1)；At least one air inlet (2) is fixed on the wing plate (11) surface；Baffle (3), it is arranged in the top that the air inlet (2) is open and is adapted to the air inlet (2), the baffle (3) has a baffle moved end (31) and a baffle fixed end (32), the baffle fixed end (32) is flexibly connected with the edge of the air inlet (2), and the baffle fixed end (32) makes the baffle moved end (31) be rotated for axis with the baffle fixed end (32) close to the kuppe (1) center.The kuppe air inlet wing plate rain-proof dust-proof structure of the present invention can enclose the baffle of pivoting by setting, when hub rotation, according to the open and-shut mode of the adaptive adjusting air inlet of rotational angle, when rainwater is not easy to flow into, air inlet is adjusted to open, and when rainwater easily flows into, adjusts air inlet and close, rainwater is avoided to enter.
Description
Technical field
The invention belongs to wind power generation fields, and in particular to a kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind-force hair
Electric impeller assembly.
Background technology
Wind energy is increasingly paid attention to by countries in the world as a kind of clean regenerative resource.Wind Energy In China reserves are very
Greatly, distribution is wide, only about 2.53 hundred million kilowatts of the wind energy content of land.Over nearly 5 years, world wind energy market is every year all with 40%
Speed increases.It is expected that in future 20-25, world wind energy market will be incremented by 25% every year.Now, wind power generation cost under
Drop to 1/5 in 1980.With the development of technological progress and environmental protection cause, wind power generation commercially will completely can be with fire coal
Competition in power generation.
Since wind power generating set is operated in external open-air atmosphere, external rainwater etc., which enters, destroys group inside wind wheel
Part influences wind wheel normal work, therefore has very high requirement to generator assembly interior waterproof.
Invention content
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of kuppe air inlet wing plate rain-proof is anti-
Dirt structure and wind power generating blade wheel assembly.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 kuppes to enter the wind wing plate rain-proof dust-proof structure, including：
Kuppe；
Wing plate is mounted on the kuppe；
At least one air inlet is fixed on the wing plate surface；
Baffle is arranged in the top that the air inlet is open and is adapted to the air inlet, and the baffle has a baffle
Moved end and a baffle fixed end, the baffle fixed end are flexibly connected with the edge of the air inlet, and the baffle fixed end is close to institute
Kuppe center is stated, the baffle moved end is made to be rotated as axis using the baffle fixed end.
In a specific embodiment, the baffle moved end is also installed with a clump weight.
In a specific embodiment, the connection between the clump weight and the baffle moved end is welding.
In a specific embodiment, the clump weight is arranged in baffle moved end marginal position.
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.
In a specific embodiment, the connection between the baffle fixed end and the air inlet is hinge connection.
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.
The embodiment of the present invention additionally provides a kind of wind power generating blade wheel assembly, including blade, wheel hub, further includes institute of the present invention
The kuppe air inlet wing plate rain-proof dust-proof structure stated.
Compared with prior art, beneficial effects of the present invention：
1, kuppe of the invention air inlet wing plate rain-proof dust-proof structure can enclose the baffle of pivoting by setting, work as wheel hub
When rotation, according to the open and-shut mode of the adaptive adjusting air inlet of rotational angle, when rainwater is not easy to flow into, adjusts air inlet and beat
It opens, and when rainwater easily flows into, adjusts air inlet and close.
2, kuppe of the invention air inlet wing plate rain-proof dust-proof structure can be more by the clump weight for being arranged in baffle moved end
It is flexibly adjusted, avoids because wind-force is excessive or the too fast normal open and-shut mode of influence air inlet of hub rotation.
3, kuppe of the invention air inlet wing plate rain-proof dust-proof structure also passes through dust guard filtering external in air inlet
The particulate matters such as sand and dust, catkin avoid it from entering inside kuppe and component are caused to damage.
Description of the drawings
Fig. 1 is that a kind of kuppe provided in an embodiment of the present invention enters the wind wing plate rain-proof dust-proof structural schematic diagram；
Fig. 2 is the connection relationship diagram of present invention air inlet wing plate and kuppe；
Fig. 3 is that a kind of kuppe provided in an embodiment of the present invention enters the wind wing plate rain-proof dust-proof arrangement works process schematic；
Fig. 4 is that another kuppe provided in an embodiment of the present invention enters the wind wing plate rain-proof dust-proof structural schematic diagram.
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 that a kind of kuppe that inventive embodiments provide enters the wind wing plate rain-proof dust-proof structural schematic diagram,
Including：
Kuppe 1；
Wing plate 11 is mounted on the kuppe 1；
At least one air inlet 2 is fixed on 11 surface of the wing plate；
Baffle 3 is arranged in the top that the air inlet 2 is open and is adapted to the air inlet 2, and the baffle 3 has one
Baffle moved end 31 and a baffle fixed end 32, the baffle fixed end 32 is flexibly connected with the edge of the air inlet 2, and the baffle
Fixed end 32 makes the baffle moved end 31 be rotated for axis with the baffle fixed end 32 close to 1 center of the kuppe.
In order to more intuitively show the connection relation of present invention air inlet wing plate and kuppe, Fig. 2 is referred to, kuppe is
Chondritic, air inlet wing plate can have multiple, and air inlet wing plate is fixed around kuppe spherical surface, in order to better illustrate
The implementation process of the present invention, refers to Fig. 3, and Fig. 3 is that a kind of kuppe provided in an embodiment of the present invention enters the wind wing plate rain-proof dust-proof
Arrangement works process schematic.
Air inlet can be rectangle structure, and one end of long side is as fixed end, the other end as moved end, the number of air inlet
Amount is depending on the air quantity that the quantity of impeller and needs input, and by taking the component of traditional trilobed wheel as an example, air inlet is three, point
Position at air inlet wing plate bottom groove position is not set.
Baffle and air inlet are adapted to i other words the length of baffle and the exterior surface dimension of air inlet are consistent, i.e. baffle dimensions
Size will at least reach can shelter from air inlet completely.
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
Hold, the mechanical parts such as variable paddle speed reducer can be to being damaged with upper-part after rainwater enters, such as electric short circuit is burnt；Corrosion,
Damage raceway and lubrication.And good heat dissipation performance is needed as wheel hub, air inlet is bigger, and heat dissipation performance is better, but
It is easier that rainwater, other solid particulate matters is made to enter hub interior, this allows for protection wheel hub device security and improve to radiate
Contradiction is formd between performance.
The present invention at work, can be roughly divided into 4 working conditions.
First state, air inlet is in horizontal direction, and angle with horizontal plane is 0 °, and baffle is by gravity at this time, tightly
It is fastened on air inlet, covers in air inlet, extraneous rainwater is prevented to enter in air inlet from top.
Second state, impeller are rotated clockwise, and the direction of air inlet gradually switchs to level towards the right side, directly upward from level
When to angle with horizontal plane being 90 °, moved end is upper, and moved end is started to rotate by gravity, and air inlet gradually forms opening.
The third state, impeller continue to rotate, and the cold air under external environment enters wheel hub from air inlet, until with horizontal plane
Angle is 180 °, and downwards, by gravity, air inlet opening is opened in moved end to air inlet completely, into air inlet at this time
Air quantity reaches maximum, and at this time due to air inlet be it is directed downwardly, completely will not rain flow into.
4th state, impeller continue to rotate, and until angle with horizontal plane is 270 °, under, fixed end is moved upper for moved end at this time
Air inlet by gravity is just blocked in end, rear air inlet be increasingly towards right over, due to being in off state, do not appear in
The case where rainwater enters in rotary course.
In a kind of situation, the shape for entering the wind wing plate is " bird head ", as recessed with protruding parts and depressed area
Male structure, air inlet are located at groove, allow for air inlet in this way and are blocked by protruding portion, avoid rainwater direct to a certain extent
Into it is of course also possible to use the air inlet wing plate design of other structures, as long as having smaller resistance, while having certain
Block function.It is high by the setting for increasing air inlet since in rotary course, groove might have a small amount of ponding
Degree, can enter air inlet to avoid ponding.
The kuppe air inlet wing plate rain-proof dust-proof structure of the present invention can enclose the baffle of pivoting by setting, when wheel hub turns
When dynamic, according to the open and-shut mode of the adaptive adjusting air inlet of rotational angle, when rainwater is not easy to flow into, adjusts air inlet and beat
It opens, and when rainwater easily flows into, adjusts air inlet and close, rainwater is avoided to enter.
The acting characteristic and gravity that wheel hub rotates when the present invention makes full use of unit operation, make in external environment
Cold air can enter wheel hub, effectively be cooled down to wheel hub, while avoiding the entrance such as rainwater condensation, safety simple in structure can
It leans on.
In a specific embodiment, the baffle moved end 31 is also installed with a clump weight 4.
Fig. 4 is referred to, Fig. 4 is that another kuppe provided in an embodiment of the present invention enters the wind wing plate rain-proof dust-proof structural representation
Figure, the moved end 31 is also installed with a clump weight 4.Clump weight can be configured along moved end, setting length, weight, material
Matter etc. as the case may be depending on.
In a specific embodiment, the connection between the clump weight 4 and the baffle moved end 31 is welding.Welding side
Formula has good fixed effect, as long as can reach fixed effect according to other connection types.Clump weight can select
Select the metal materials such as density larger material, such as piece of stainless steel, iron block.As long as its weight can overcome the resistance of wind, make gear
It is opened in 90 ° of i.e. second states in position plate moved end.
In a specific embodiment, the clump weight is arranged in 31 marginal position of baffle moved end.According to torque original
Reason, when moved end is farthest apart from fixed end, when reaching same effect, clump weight weight is minimum, therefore clump weight is arranged in the gear
Plate moved end marginal position can maximumlly reduce kuppe weight, reduce extra power consumption.
In a specific embodiment, the connection between the baffle fixed end 32 and the air inlet 2 is hinge connection.
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.
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.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 5 in the air inlet 2.
In a specific embodiment, the dust guard 5 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 embodiment of the present invention additionally provides a kind of wind power generating blade wheel assembly, including blade, wheel hub, further includes institute of the present invention
The kuppe air inlet wing plate rain-proof dust-proof structure stated.
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 (9)
1. a kind of kuppe enters the wind wing plate rain-proof dust-proof structure, which is characterized in that including：
Kuppe (1)；
Wing plate (11) is mounted on the kuppe (1)；
At least one air inlet (2), is fixed on the surface of the wing plate (11)；
Baffle (3) is arranged in the top that the air inlet (2) is open and is adapted to the air inlet (2), baffle (3) tool
There are a baffle moved end (31) and a baffle fixed end (32), the baffle fixed end (32) and the edge activity of the air inlet (2) to connect
It connects, and the baffle fixed end (32) makes the baffle moved end (31) with the baffle fixed end close to the kuppe (1) center
(32) it is that axis is rotated.
2. kuppe according to claim 1 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the baffle moved end
(31) also it is installed with a clump weight (4).
3. kuppe according to claim 2 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the clump weight (4)
Connection between the baffle moved end (31) is welding.
4. kuppe according to claim 2 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the clump weight (4)
Marginal position in the baffle moved end (31) is set.
5. kuppe according to claim 1 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the air inlet (2)
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.
6. kuppe according to claim 1 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the baffle fixed end
(32) connection between the air inlet (2) is hinge connection.
7. kuppe according to claim 1 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the air inlet (2)
Inside it is additionally provided with dust guard (5).
8. kuppe according to claim 7 enters the wind wing plate rain-proof dust-proof structure, which is characterized in that the dust guard
(5) it is filter screen.
9. a kind of wind power generating blade wheel assembly, including blade, wheel hub, which is characterized in that further include such as any one of claim 1-8
The kuppe enters the wind wing plate rain-proof dust-proof structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092044.XA CN108361158A (en) | 2018-01-30 | 2018-01-30 | A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092044.XA CN108361158A (en) | 2018-01-30 | 2018-01-30 | A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108361158A true CN108361158A (en) | 2018-08-03 |
Family
ID=63007410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810092044.XA Pending CN108361158A (en) | 2018-01-30 | 2018-01-30 | A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664414A (en) * | 2020-12-22 | 2021-04-16 | 台州佳沃科技有限公司 | Wind turbine generator system with protection mechanism |
| CN113682346A (en) * | 2020-05-19 | 2021-11-23 | 中车唐山机车车辆有限公司 | Air whistle control system and EMUs train |
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| EP1837519A3 (en) * | 2006-03-22 | 2012-11-21 | General Electric Company | Wind turbine generators having wind assisted cooling systems and cooling methods |
| CN105781900A (en) * | 2014-12-25 | 2016-07-20 | 浙江运达风电股份有限公司 | Wind turbine generator set and ventilation cooling 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 |
| CN206722990U (en) * | 2017-05-08 | 2017-12-08 | 北京金风科创风电设备有限公司 | Cooling system and wind power generating set for wind power generating set |
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- 2018-01-30 CN CN201810092044.XA patent/CN108361158A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1837519A3 (en) * | 2006-03-22 | 2012-11-21 | General Electric Company | Wind turbine generators having wind assisted cooling systems and cooling methods |
| 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 |
| CN105781900A (en) * | 2014-12-25 | 2016-07-20 | 浙江运达风电股份有限公司 | Wind turbine generator set and ventilation cooling 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682346A (en) * | 2020-05-19 | 2021-11-23 | 中车唐山机车车辆有限公司 | Air whistle control system and EMUs train |
| CN112664414A (en) * | 2020-12-22 | 2021-04-16 | 台州佳沃科技有限公司 | Wind turbine generator system with protection mechanism |
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