CN101814793B - Natural air cooling direct-drive synchronous wind driven generator - Google Patents
Natural air cooling direct-drive synchronous wind driven generator Download PDFInfo
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- CN101814793B CN101814793B CN2010101473057A CN201010147305A CN101814793B CN 101814793 B CN101814793 B CN 101814793B CN 2010101473057 A CN2010101473057 A CN 2010101473057A CN 201010147305 A CN201010147305 A CN 201010147305A CN 101814793 B CN101814793 B CN 101814793B
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- rotor
- stator
- labyrinth seal
- support
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- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 title abstract description 3
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
A natural air cooling direct-drive synchronous wind driven generator comprises a stator, a rotor, a conical support, a main bearing outer ring I, a main bearing outer ring II and a main bearing inner ring, wherein the large end of the conical support is fixedly connected with the stator support, the main bearing outer ring I is fixedly connected with the rotor support I, the middle part of the rotor is provided with the rotor support II, the stator support is provided with a through hole I, the outer side of the stator is provided with a skin I, the rotor support I is provided with a through hole III, the inner side of the rotor is provided with the skin II, the brake ring is provided with the through hole II, the two ends of the stator support are respectively provided with a static labyrinth seal I and a static labyrinth seal II, the two ends of the rotor are respectively provided with a rotating labyrinth seal I and a rotating labyrinth seal II, the right end of the stator is provided with a; and a through hole IV is formed at the position of the stator support, which is close to the lowest point of the static labyrinth seal I. The invention has low manufacturing cost and high working reliability.
Description
Technical field
The present invention relates to a kind of wind-driven generator, more particularly, relate to a kind of natural air cooled and directly driven synchronizing windmill generator.
Background technology
For direct-driving synchronous wind turbine generator, heat dissipation problem is very crucial, and particularly, along with the develop rapidly of wind generating technology, the single-machine capacity of wind turbine generator is increasing in recent years, and heat dissipation problem becomes the bottleneck that restriction wind turbine generator power increases.
The existing generator outside (refers to generator amature for outer rotor generator; For the internal rotor generator, refer to generator unit stator) be processed with radiating ribs; Cooling device is equipped with in wind turbine generator inside; Be generally cooling blower, the acting in conjunction through above-mentioned dual mode comes to dispel the heat to wind turbine generator.When the power of unit increases, there is the generator of radiating ribs to compare with undressed, the thermal losses increase of generator that is processed with radiating ribs is bigger; In order to walk the loss torrid zone; Just must like this, not only increase the blower fan manufacturing cost at the inner ventilation cooling system that increases complicacy of unit; And increased the fault point of blower fan, thereby reduced the functional reliability of blower fan.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, a kind of low cost of manufacture is provided, the natural air cooled and directly driven synchronizing windmill generator that functional reliability is high.
The present invention realizes through following technical proposals: it comprises stator, rotor, taper support, base bearing outer ring I, base bearing outer ring II, base bearing inner ring, and taper is supported big end and is connected with stator support, and base bearing outer ring I and rotor supports I connect firmly; Base bearing outer ring II is connected with wheel hub, and base bearing inner ring and taper are supported small end and be connected, and the rotor middle part is provided with the rotor supports II; Braking ring and rotor supports II are connected, and the rotor diameter direction is provided with rotor core, and the diameter of stator bore direction is provided with stator core; Have the through hole I on the stator support, the stator outside is provided with the covering I, and the cavity between stator and covering I and the stator support forms the cooling duct I; Have the through hole III on the rotor supports I; The rotor inboard is provided with the covering II, and the cavity between the inwall of rotor and the covering II forms the cooling duct II, and braking ring is provided with the through hole II; The stator support two ends are separately installed with static labyrinth seal I, static labyrinth seal II; Two ends of rotor be respectively equipped with the rotation labyrinth seal I suitable with static labyrinth seal I, with the suitable rotation labyrinth seal II of static labyrinth seal II, the stator right-hand member is equipped with the wind scooper I, the stator support left end is provided with the wind scooper IV; The stator support right-hand member is provided with the wind scooper II, and the rotor supports I is provided with the wind scooper III; Stator support has the through hole IV near static labyrinth seal I lowest point.
During installation, blower fan is from the horizontal by the elevation angle of 5 degree.When a spot of water of the inner formation of generator, can gather between static labyrinth seal I and the stator support, the via through holes IV is discharged.
The present invention utilizes natural wind to cool off whole unit, helps simplifying the inner ventilation cooling system of unit, increases the functional reliability of blower fan, improves the cooling effectiveness of blower fan, reduces the manufacturing cost of blower fan.
Description of drawings
Fig. 1 is an embodiment of the invention overall structure sketch map;
Fig. 2 is a local access node structure enlarged diagram embodiment illustrated in fig. 1;
Fig. 3 is for being cooling air duct sketch map embodiment illustrated in fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
With reference to Fig. 1,2, present embodiment comprises stator 1, rotor 30, taper support 13, base bearing outer ring I 9, base bearing outer ring II 10, base bearing inner ring 11, and taper is supported 13 big ends and is connected with stator support 29; Base bearing outer ring I 9 connects firmly with rotor supports I 31, and base bearing outer ring II 10 is connected with wheel hub 21, and base bearing inner ring 11 supports 13 small ends with taper and is connected; Rotor 30 middle parts are provided with rotor supports II 34, and braking ring 12 is connected with rotor supports II 34, and rotor 30 external diameter directions are provided with rotor core 16; Stator 1 internal diameter direction is provided with stator core 3; Have through hole I 18 on the stator support 29, stator 1 outside is provided with covering I 2, and the cavity between stator 1 and covering I 2 and the stator support 29 forms cooling duct I 33; Have through hole III 15 on the rotor supports I 31; Rotor 30 inboards are provided with covering II 17, and the cavity between the inwall of rotor 30 and the covering II 17 forms cooling duct II 32, and braking ring 12 is provided with through hole II 14; Stator support 29 two ends are separately installed with static labyrinth seal I 20, static labyrinth seal II 5; Rotor 30 two ends be respectively equipped with the rotation labyrinth seal I 19 suitable with static labyrinth seal I 20, with the suitable rotation labyrinth seal II 6 of static labyrinth seal II 5, stator 1 right-hand member is equipped with wind scooper I 4, stator support 29 left ends are provided with wind scooper IV 35; Stator support 29 right-hand members are provided with wind scooper II 7, and rotor supports I 31 is provided with wind scooper III 8; Stator support 29 has through hole IV 22 near static labyrinth seal I 20 lowest points.
During installation, blower fan is from the horizontal by the elevation angle of 5 degree.When a spot of water of the inner formation of generator, can gather between static labyrinth seal I 20 and the stator support 29, via through holes IV 22 is discharged.
With reference to Fig. 3, utilize natural wind to cool off through cooling duct I 33,32 pairs of units of cooling duct II: wind path I 24 is cooled off stator 1 outside through the cooling duct I 33 that wind scooper I 4 gets on the generator unit stator 1; It is inner that wind path II 25 gets into generator through wind scooper II 7 and wind scooper III 8; Form wind path III 23 and wind path IV 27; Wind path III 23 is taken away the heat that rotor core 16 produces through the cooling duct II 32 on the rotor 30; Pass through the surface of wind scooper IV 35 again, enter in the atmosphere through through hole I 18 at last; Wind path IV 27 supports 13 through 15 pairs of tapers of through hole III and cools off, and the heat that produces in the wheel hub 21 is taken away, and forms 28 pairs of tapers of wind path VI through through hole II 14 then and supports 13 further coolings, enters in the atmosphere through through hole I 18 then; Wind path V 26 is cooled off through 8 pairs of base bearing outer rings of wind scooper III I 9 and base bearing outer ring II 10.Static labyrinth seal I 20, static labyrinth seal II 5 respectively with rotate labyrinth seal I 19, rotate labyrinth seal II 6 and match, with stator core 3 and rotor core 16 and external isolation, prevent that humid air from getting into.
More than be one embodiment of the present invention, a preferred example.The scope that patent application of the present invention is asked for protection has more than and is limited to said execution mode.All technical schemes with the present embodiment equivalence all belong to protection scope of the present invention.
Claims (1)
1. a natural air cooled and directly driven synchronizing windmill generator comprises stator, rotor, taper support, base bearing outer ring I, base bearing outer ring II, base bearing inner ring, and taper is supported big end and is connected with stator support; Base bearing outer ring I and rotor supports I connect firmly, and base bearing outer ring II is connected with wheel hub, and base bearing inner ring and taper are supported small end and be connected; The rotor middle part is provided with the rotor supports II, and braking ring and rotor supports II are connected, and the rotor diameter direction is provided with rotor core; The diameter of stator bore direction is provided with stator core, it is characterized in that, has the through hole I on the stator support; The stator outside is provided with the covering I, and the cavity between stator and covering I and the stator support forms the cooling duct I, has the through hole III on the rotor supports I; The rotor inboard is provided with the covering II, and the cavity between the inwall of rotor and the covering II forms the cooling duct II, and braking ring is provided with the through hole II; The stator support two ends are separately installed with static labyrinth seal I, static labyrinth seal II; Two ends of rotor be respectively equipped with the rotation labyrinth seal I suitable with static labyrinth seal I, with the suitable rotation labyrinth seal II of static labyrinth seal II, the stator right-hand member is equipped with the wind scooper I, the stator support left end is provided with the wind scooper IV; The stator support right-hand member is provided with the wind scooper II, and the rotor supports I is provided with the wind scooper III; Stator support has the through hole IV near static labyrinth seal I lowest point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101473057A CN101814793B (en) | 2010-04-16 | 2010-04-16 | Natural air cooling direct-drive synchronous wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101473057A CN101814793B (en) | 2010-04-16 | 2010-04-16 | Natural air cooling direct-drive synchronous wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814793A CN101814793A (en) | 2010-08-25 |
| CN101814793B true CN101814793B (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101473057A Active CN101814793B (en) | 2010-04-16 | 2010-04-16 | Natural air cooling direct-drive synchronous wind driven generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101814793B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142738B (en) * | 2011-02-23 | 2012-11-21 | 中科盛创（青岛）电气有限公司 | Water-cooling rotor direct-driving wind driven generator and water-cooling system thereof |
| GB2494925B (en) * | 2011-09-26 | 2013-09-18 | Sway Turbine As | Air cooling of wind turbine generator |
| CN102392798A (en) * | 2011-12-07 | 2012-03-28 | 湘电风能有限公司 | Direct-drive wind driven generator structure |
| CN107979225B (en) * | 2017-12-29 | 2023-11-17 | 北京金风科创风电设备有限公司 | Motor with small bearing structure and wind generating set |
| EP4306799A1 (en) * | 2022-07-14 | 2024-01-17 | Wobben Properties GmbH | Labyrinth seal device for air passage of cooling air of a cooling system of a wind turbine generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1649239A (en) * | 2004-01-19 | 2005-08-03 | 新疆金风科技股份有限公司 | MW grade direct driving permanent magnet outer rotor synchronous motor |
| CN101645626A (en) * | 2009-09-18 | 2010-02-10 | 湘电风能有限公司 | Double-bearing direct-driven permanent magnet synchronous wind generator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1013129C2 (en) * | 1999-09-24 | 2001-03-27 | Lagerwey Windturbine B V | Windmill. |
| JP2004297892A (en) * | 2003-03-26 | 2004-10-21 | Ebara Corp | Wind power generator |
| JP4572647B2 (en) * | 2004-10-01 | 2010-11-04 | 株式会社日立製作所 | Permanent magnet rotating electrical machine and wind power generation system |
-
2010
- 2010-04-16 CN CN2010101473057A patent/CN101814793B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1649239A (en) * | 2004-01-19 | 2005-08-03 | 新疆金风科技股份有限公司 | MW grade direct driving permanent magnet outer rotor synchronous motor |
| CN101645626A (en) * | 2009-09-18 | 2010-02-10 | 湘电风能有限公司 | Double-bearing direct-driven permanent magnet synchronous wind generator |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-297892A 2004.10.21 |
| 林明等.几种大型风力发电机组技术特点及应用.《交通科技与经济》.2010,第12卷(第1期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101814793A (en) | 2010-08-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |