CN101814793A - Natural air cooled and directly driven synchronizing windmill generator - Google Patents
Natural air cooled and directly driven synchronizing windmill generator Download PDFInfo
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- CN101814793A CN101814793A CN 201010147305 CN201010147305A CN101814793A CN 101814793 A CN101814793 A CN 101814793A CN 201010147305 CN201010147305 CN 201010147305 CN 201010147305 A CN201010147305 A CN 201010147305A CN 101814793 A CN101814793 A CN 101814793A
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Abstract
The invention discloses a natural air cooled and directly driven synchronizing windmill generator, which 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 big end of the conical support is supported by and fixedly connected with the stator; the main bearing outer ring I is fixedly connected with a rotor support I; a rotor support II is arranged on the middle part of the rotor; a through hole I is reserved on the stator support; a skin is arranged on the outer side of the stator; a through hole III is reserved on the rotor support I; a skin II is arranged on the inner side of the rotor; a through hole II is formed on a brake ring; the two ends of the stator support are provided a fixed labyrinth seal I and a fixed labyrinth seal II respectively; the two ends of the rotor are provided with a rotary labyrinth seal I and a rotary labyrinth seal II respectively; the right end of the stator is provided with a wind scooper I, the left end of the stator support is provided with a wind scooper IV, the right end of the stator support is provided with a wind scooper II and the rotor support I is provided with a wind scooper III; and a through hole IV is reserved on a lowest point, close to the fixed labyrinth seal I, of the stator support. The natural air cooled and directly driven synchronizing windmill generator 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 by 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, for the loss torrid zone is walked, just must like this, not only increase the blower fan manufacturing cost at the inner ventilation cooling system that increases complexity 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, provide a kind of low cost of manufacture, the natural air cooled and directly driven synchronizing windmill generator that functional reliability is high.
The present invention is achieved through the following technical solutions: it comprises stator, rotor, taper is supported, base bearing outer ring I, base bearing outer ring II, the base bearing inner ring, taper is supported big end and is connected with stator support, base bearing outer ring I and rotor supports I connect firmly, base bearing outer ring II is connected with wheel hub, base bearing inner ring and taper are supported small end and are connected, the rotor middle part is provided with the rotor supports II, braking ring and rotor supports II are connected, the rotor diameter direction is provided with rotor core, 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, 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, cavity between the inwall of rotor and the covering II forms the cooling duct II, 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 is 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.Can gather between static labyrinth seal I and the stator support when a spot of water of the inner formation of generator, the via through holes IV is discharged.
The present invention utilizes natural wind to cool off whole unit, helps simplifying the ventilation cooling system of unit inside, 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 schematic diagram;
Fig. 2 is a local access node structure enlarged diagram embodiment illustrated in fig. 1;
Fig. 3 is for being cooling air duct schematic diagram embodiment illustrated in fig. 1.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
With reference to Fig. 1,2, present embodiment comprises stator 1, rotor 30, taper supports 13, base bearing outer ring I 9, base bearing outer ring II 10, base bearing inner ring 11, 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, base bearing outer ring II 10 is connected with wheel hub 21, 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, braking ring 12 is connected with rotor supports II 34, 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, 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, cavity between the inwall of rotor 30 and the covering II 17 forms cooling duct II 32, 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 are 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.Can gather between static labyrinth seal I 20 and the stator support 29 when a spot of water of the inner formation of generator, via through holes IV 22 is discharged.
With reference to Fig. 3, utilize natural wind to cool off by cooling duct I 33,32 pairs of units of cooling duct II: wind path I 24 enters cooling duct I 33 on the generator unit stator 1 by wind scooper I 4, and stator 1 outside is cooled off; Wind path II 25 enters generator inside by 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 by through hole I 18 at last; Wind path IV 27 supports 13 by 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 by through hole II 14 then and supports 13 further coolings, enters in the atmosphere by through hole I 18 then; Wind path V 26 is cooled off by 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 match with rotation labyrinth seal I 19, rotation labyrinth seal II 6 respectively, with stator core 3 and rotor core 16 and external isolation, prevent that humid air from entering.
More than be one embodiment of the present invention, a preferred demonstration example.The scope that patent application of the present invention is asked for protection has more than and is limited to described execution mode.All and technical scheme present embodiment equivalence all belongs to protection scope of the present invention.
Claims (1)
1. natural air cooled and directly driven synchronizing windmill generator, comprise stator, rotor, taper is supported, base bearing outer ring I, base bearing outer ring II, the base bearing inner ring, taper is supported big end and is connected with stator support, base bearing outer ring I and rotor supports I connect firmly, base bearing outer ring II is connected with wheel hub, base bearing inner ring and taper are supported small end and are connected, the rotor middle part is provided with the rotor supports II, braking ring and rotor supports II are connected, 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, have the through hole I on the stator support, the stator outside is provided with the covering I, 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, cavity between the inwall of rotor and the covering II forms the cooling duct II, 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 is 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 cooled and directly driven synchronizing windmill generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101473057A CN101814793B (en) | 2010-04-16 | 2010-04-16 | Natural air cooled and directly driven synchronizing windmill generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814793A true CN101814793A (en) | 2010-08-25 |
| CN101814793B CN101814793B (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101473057A Active CN101814793B (en) | 2010-04-16 | 2010-04-16 | Natural air cooled and directly driven synchronizing windmill generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101814793B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142738A (en) * | 2011-02-23 | 2011-08-03 | 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 |
| CN102392798A (en) * | 2011-12-07 | 2012-03-28 | 湘电风能有限公司 | Direct-drive wind driven generator structure |
| GB2494925A (en) * | 2011-09-26 | 2013-03-27 | Sway Turbine As | Air cooling of wind turbine generator |
| CN107979225A (en) * | 2017-12-29 | 2018-05-01 | 北京金风科创风电设备有限公司 | motor and wind generating set with small bearing structure |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021956A1 (en) * | 1999-09-24 | 2001-03-29 | Lagerwey Windturbine B.V. | Wind power generator |
| JP2004297892A (en) * | 2003-03-26 | 2004-10-21 | Ebara Corp | Wind power generator |
| 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 |
| US20060071568A1 (en) * | 2004-10-01 | 2006-04-06 | Mamoruo Kimura | Permanent magnet type electric rotating machine and wind turbine electric power generation system |
| 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 |
-
2010
- 2010-04-16 CN CN2010101473057A patent/CN101814793B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021956A1 (en) * | 1999-09-24 | 2001-03-29 | Lagerwey Windturbine B.V. | Wind power generator |
| JP2004297892A (en) * | 2003-03-26 | 2004-10-21 | Ebara Corp | Wind power generator |
| 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 |
| US20060071568A1 (en) * | 2004-10-01 | 2006-04-06 | Mamoruo Kimura | Permanent magnet type electric rotating machine and wind turbine electric power generation system |
| 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 (1)
| Title |
|---|
| 《交通科技与经济》 20100228 林明等 几种大型风力发电机组技术特点及应用 第12卷, 第1期 2 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142738A (en) * | 2011-02-23 | 2011-08-03 | 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 |
| GB2494925A (en) * | 2011-09-26 | 2013-03-27 | Sway Turbine As | Air cooling of wind turbine generator |
| WO2013045473A3 (en) * | 2011-09-26 | 2013-06-27 | Sway Turbine As | Air cooling of wind turbine generator |
| 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 |
| CN107979225A (en) * | 2017-12-29 | 2018-05-01 | 北京金风科创风电设备有限公司 | motor and wind generating set with small bearing 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101814793B (en) | 2012-04-18 |
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