CN201576997U - Cooling device of wind power generator - Google Patents
Cooling device of wind power generator Download PDFInfo
- Publication number
- CN201576997U CN201576997U CN2009202457105U CN200920245710U CN201576997U CN 201576997 U CN201576997 U CN 201576997U CN 2009202457105 U CN2009202457105 U CN 2009202457105U CN 200920245710 U CN200920245710 U CN 200920245710U CN 201576997 U CN201576997 U CN 201576997U
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- Prior art keywords
- slip ring
- ring chamber
- wind
- chamber
- carbon dust
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- Expired - Lifetime
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a cooling device of a wind power generator, which comprises an air cooler and a sliding ring chamber. The air cooler is arranged on a motor main body, and the sliding ring chamber which is arranged at the non-driving end of the motor main body is provided with a sliding ring chamber wind inlet and a sliding ring chamber wind outlet. The cooling device of the wind power generator further comprises a wind leading pipe and a heat exchanging chamber, wherein the heat exchanging chamber comprises a wind retaining cover, a heat exchanging chamber wind inlet and a heat exchanging chamber wind outlet; the wind retaining cover is fixedly sealed at the inner side face of an end cover at the non-driving end of the motor main body, the heat exchanging chamber wind inlet and the heat exchanging chamber wind outlet are arranged on the end cover at the non-driving end of the motor main body, one end of the wind leading pipe is communicated with a wind inlet of the air cooler, the other end of the wind leading pipe is communicated with the heat exchanging chamber by the heat exchanging chamber wind inlet, and the heat exchanging chamber is communicated with the sliding ring chamber by the heat exchanging chamber wind outlet. With the advantages of achieving good temperature reducing effect and effectively blowing carbon powder out of the sliding ring chamber, the cooling device solves the technical problem of poor cooling effect of a bearing at the non-driving end of the present air-cooling wind power generator and of a carbon brush of the sliding ring chamber.
Description
Technical field
The utility model relates to a kind of motor cooling device, relates in particular to a kind of aerogenerator cooling unit.
Background technology
Existing air cooling wind-driven generator all can be provided with air cooler above motor body, air cooler is also to the air-supply of the slip ring chamber at motor body anti-drive end place simultaneously, though slip ring chamber and non-driven-end bearing are close, but because the cold wind of the slip ring chamber outside by bearing only, time of contact is short, contact area is little, so radiating effect is not fine, comparatively speaking, bearing temperature rise is still than higher, thereby have influence on the useful life of bearing, from the present generator that keeped in repair, the overwhelming majority all is because the heat radiation of bearing is not fine, cause bearing at high temperature to work long hours, and bearing is burnt.
At present the type of cooling of wind-driven generator slip ring chamber be with cooling air directly the air inlet directly over the slip ring chamber directly to send into slip ring indoor, derive by the air outlet under the slip ring chamber again.But, between slip ring that slip ring is indoor and the carbon brush because high speed rotary grinding and have continuous discharge, so caloric value is higher.Because cooling air is directly directly blown down by the slip ring top, so relatively poor to the cooling effect that is positioned at slip ring side side's carbon brush.
The utility model content
In order to solve the bad and bad technical problem of slip ring chamber carbon brush cooling effect of existing air cooling wind-driven generator non-driven-end bearing cooling effect, the utility model provides a kind of aerogenerator cooling unit.
Technical solution of the present utility model:
A kind of aerogenerator cooling unit, comprise air cooler 23 that is arranged on the motor body 20 and the slip ring chamber 4 that is arranged on motor body 1 anti-drive end, described slip ring chamber 4 is provided with slip ring chamber air intake vent 9 and slip ring chamber air outlet 8, it is characterized in that: described aerogenerator cooling unit also comprises induced duct 22 and Heat Room 29, described Heat Room 29 comprises that fixing seal is at the windshield 30 of motor body non-drive end shield 28 medial surfaces and be arranged on Heat Room air intake vent 25 and Heat Room air outlet 27 on the motor body non-drive end shield 28, one end of described induced duct 22 is communicated with air cooler air intake vent 21, the other end of described induced duct 22 is communicated with Heat Room 29 by Heat Room air intake vent 25, and described Heat Room 29 is communicated with slip ring chamber 4 by Heat Room air outlet 27.
Above-mentioned cooling device comprises wind deflector 1 at least one that is arranged on air intake vent 9 belows, slip ring chamber, and the described wind deflector 1 of going up is used for and will enters the cooling air 3 guiding carbon brush 5 of slip ring chamber 4.
Above-mentioned cooling device comprises wind deflector 7 under at least one that is arranged on air outlet 8 tops, slip ring chamber, and described wind deflector 7 down is used for the cooling air 3 guide link chamber air outlets 8 through carbon brush 5.
The above-mentioned wind deflector 1 of going up is shaped as straight plate, arc or broken line shape plate from generator shaft to what see; Described down wind deflector 7 is shaped as straight plate, arc or broken line shape plate from generator shaft to what see.
Above-mentioned cooling device comprises carbon dust landing bucket 6, and the top opening of described carbon dust landing bucket 6 is connected with slip ring chamber 4 lower opening, and the lower opening of described carbon dust landing bucket 6 is connected with air outlet 6.
The profile of the top opening of above-mentioned carbon dust landing bucket 6 and 4 lower opening junctions, slip ring chamber is square, and the profile of the lower opening of described carbon dust landing bucket 6 and air outlet 6 junctions is circular.
Above-mentioned cooling device comprises carbon dust landing bucket 6, and the top opening of described carbon dust landing bucket 6 is connected with slip ring chamber 4 lower opening, and the lower opening of described carbon dust landing bucket 6 is connected with air outlet 6.
The profile of the top opening of above-mentioned carbon dust landing bucket 6 and 4 lower opening junctions, slip ring chamber is square, and the profile of the lower opening of described carbon dust landing bucket 6 and air outlet 6 junctions is circular.
The beneficial effect that the utility model had:
1, the utility model is by being provided with induced duct in air cooler, and by cold wind being introduced the non-driven-end bearing inboard, heat-exchange time is long, contact area is big, and the heat exchange efficiency height reaches nonpowered axle and holds cool effect.
2, carbon brush is cooled off fully.The utility model can change wind direction and make carbon brush be cooled off fully by wind deflector and following wind deflector being set in that slip ring is indoor.Film-cooled heat with cooling air dwindles simultaneously, and then the wind flow of unit are strengthens, and has improved wind speed, has further strengthened cooling.
3, effectively carbon dust is blown out the slip ring chamber.The utility model can blow out carbon dust in last wind deflector and following wind deflector change wind direction effectively from the slip ring chamber.
Description of drawings
Fig. 1 is the structural representation of the utility model induced duct and Heat Room;
Fig. 2 is the wind path schematic diagram in the utility model Heat Room;
Fig. 3 and Fig. 4 are the structural representation of slip ring of the present utility model chamber;
Fig. 5 is the shape schematic diagram of wind deflector and following wind deflector on the utility model;
The last wind deflector of Reference numeral: 1-, 2-slip ring, 3-cooling air, 4-slip ring chamber, the 5-brush holder, 6-carbon dust landing bucket, wind deflector under the 7-, 8-slip ring chamber air outlet, 9-slip ring chamber air intake vent, 10-axle, 11-carbon brush, 20-motor body, 21-air cooler air intake vent, 22-induced duct, 23-air cooler, 24-air cooler air outlet, 25-Heat Room air intake vent, 26-non-driven-end bearing, 27-Heat Room air outlet, the 28-non-drive end shield, 29-Heat Room, 30-windshield.
Embodiment
The cooling path that holds in order to improve nonpowered axle referring to the wind path of Fig. 1 and Fig. 2, the utility model is provided with windshield in the motor body rear end, windshield is used to seal non-driven-end bearing and motor body, air cooler inside is provided with the induced duct that extends through the rear end from front end, the inlet of induced duct is connected with the air cooler air intake vent, and the Heat Room air intake vent that forms between the outlet of induced duct and non-driven-end bearing and the motor body is connected.Form Heat Room by non-driven-end bearing and windshield.Gas enters into the Heat Room air intake vent by induced duct, discharges by the Heat Room air outlet then, rotates a circle around whole non-driven-end bearing, has improved heat exchanger time, has increased the area of heat exchange, and providing of whole heat exchange efficiency is provided.
In order to improve heat exchanger effectiveness at Heat Room, improve the non-driven-end bearing cooling effect, the utility model is provided with thermal insulation layer between motor body and non-driven-end bearing, and thermal insulation layer is arranged on the Heat Room air outlet of non-driven-end bearing and motor body formation.The heat that has reduced after the exchange holds passing to nonpowered axle.
It is indoor that the slip ring of wind-driven generator and carbon brush are arranged on slip ring, for cooling air is blowed to the carbon brush that produces high temperature along wind path shown in Figure 3, slip ring indoor be provided with carbon brush one side that cooling air can be led on wind deflector, referring to Fig. 3 and Fig. 4.Last wind deflector is arranged at the cooling air inlet place, can guarantee that like this cooling air enters the after-blow of slip ring chamber to carbon brush.Owing to consider that cooling air also can blow out carbon dust, in order to guarantee that carbon dust can not float with cooling air everywhere in the slip ring chamber, also be provided with a following wind deflector at cooling air air outlet place, referring to Fig. 3 and Fig. 4, make cooling air behind the cooling carbon brush, directly discharge from outlet, and can be because of not having abat-vent and blowing and get back to the indoor formation circulation of slip ring.Referring to Fig. 5, the shape of wind deflector can be straight plate, bending plate or arc, and the arc effect is best.
Claims (8)
1. aerogenerator cooling unit, comprise air cooler (23) that is arranged on the motor body (20) and the slip ring chamber (4) that is arranged on motor body (1) anti-drive end, described slip ring chamber (4) is provided with slip ring chamber air intake vent (9) and slip ring chamber air outlet (8), it is characterized in that: described aerogenerator cooling unit also comprises induced duct (22) and Heat Room (29), described Heat Room (29) comprises that fixing seal is at the windshield (30) of motor body non-drive end shield (28) medial surface and be arranged on Heat Room air intake vent (25) and Heat Room air outlet (27) on the motor body non-drive end shield (28), one end of described induced duct (22) is communicated with air cooler air intake vent (21), the other end of described induced duct (22) is communicated with Heat Room (29) by Heat Room air intake vent (25), and described Heat Room (29) is communicated with slip ring chamber (4) by Heat Room air outlet (27).
2. aerogenerator cooling unit according to claim 1, it is characterized in that: described cooling device comprises that at least one that be arranged on slip ring chamber air intake vent (9) below goes up wind deflector (1), described cooling air (3) that wind deflector (1) is used for entering slip ring chamber (4) carbon brush (5) that leads of going up.
3. aerogenerator cooling unit according to claim 1 and 2, it is characterized in that: described cooling device comprises wind deflector (7) under at least one that is arranged on slip ring chamber air outlet (8) top, and described wind deflector (7) down is used for cooling air (3) the guide link chamber air outlet (8) through carbon brush (5).
4. wind-driven generator slip ring according to claim 3 chamber air ducting is characterized in that: the described wind deflector (1) of going up is shaped as straight plate, arc or broken line shape plate from generator shaft to what see; Described down wind deflector (7) is shaped as straight plate, arc or broken line shape plate from generator shaft to what see.
5. aerogenerator cooling unit according to claim 3, it is characterized in that: described cooling device comprises carbon dust landing bucket (6), the top opening of described carbon dust landing bucket (6) is connected with slip ring chamber (4) lower opening, and the lower opening of described carbon dust landing bucket (6) is connected with air outlet (6).
6. aerogenerator cooling unit according to claim 5, it is characterized in that: the profile of the top opening of described carbon dust landing bucket (6) and lower opening junction, slip ring chamber (4) is square, and the profile of the lower opening of described carbon dust landing bucket (6) and air outlet (6) junction is circular.
7. aerogenerator cooling unit according to claim 1 and 2, it is characterized in that: described cooling device comprises carbon dust landing bucket (6), the top opening of described carbon dust landing bucket (6) is connected with slip ring chamber (4) lower opening, and the lower opening of described carbon dust landing bucket (6) is connected with air outlet (6).
8. aerogenerator cooling unit according to claim 7, it is characterized in that: the profile of the top opening of described carbon dust landing bucket (6) and lower opening junction, slip ring chamber (4) is square, and the profile of the lower opening of described carbon dust landing bucket (6) and air outlet (6) junction is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202457105U CN201576997U (en) | 2009-12-10 | 2009-12-10 | Cooling device of wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202457105U CN201576997U (en) | 2009-12-10 | 2009-12-10 | Cooling device of wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576997U true CN201576997U (en) | 2010-09-08 |
Family
ID=42696868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202457105U Expired - Lifetime CN201576997U (en) | 2009-12-10 | 2009-12-10 | Cooling device of wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576997U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949367A (en) * | 2010-09-26 | 2011-01-19 | 浙江银轮机械股份有限公司 | Pipe belt type wind turbine air cooler |
| CN101980427A (en) * | 2010-10-29 | 2011-02-23 | 无锡哈电电机有限公司 | Slip ring ventilation cooling system structure |
| CN101710758B (en) * | 2009-12-10 | 2012-05-30 | 西安盾安电气有限公司 | Aerogenerator cooling unit |
| CN104348301A (en) * | 2013-08-07 | 2015-02-11 | Abb技术有限公司 | Heat exchanger and motor or generator containing heat exchanger |
| EP2961009A1 (en) * | 2014-06-25 | 2015-12-30 | Siemens Aktiengesellschaft | Slip ring assembly, in particular for a wind power generator |
| CN107733174A (en) * | 2017-10-23 | 2018-02-23 | 中车永济电机有限公司 | Fed wind driven generator slip ring cell structure |
| CN113708570A (en) * | 2021-08-18 | 2021-11-26 | 西安中车永电捷力风能有限公司 | Double-fed aerogenerator sliding ring room cooling structure |
-
2009
- 2009-12-10 CN CN2009202457105U patent/CN201576997U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710758B (en) * | 2009-12-10 | 2012-05-30 | 西安盾安电气有限公司 | Aerogenerator cooling unit |
| CN101949367A (en) * | 2010-09-26 | 2011-01-19 | 浙江银轮机械股份有限公司 | Pipe belt type wind turbine air cooler |
| CN101949367B (en) * | 2010-09-26 | 2012-08-22 | 浙江银轮机械股份有限公司 | Pipe belt type wind turbine air cooler |
| CN101980427A (en) * | 2010-10-29 | 2011-02-23 | 无锡哈电电机有限公司 | Slip ring ventilation cooling system structure |
| CN104348301A (en) * | 2013-08-07 | 2015-02-11 | Abb技术有限公司 | Heat exchanger and motor or generator containing heat exchanger |
| CN104348301B (en) * | 2013-08-07 | 2017-05-24 | Abb技术有限公司 | Heat exchanger and motor or generator containing heat exchanger |
| EP2961009A1 (en) * | 2014-06-25 | 2015-12-30 | Siemens Aktiengesellschaft | Slip ring assembly, in particular for a wind power generator |
| CN107733174A (en) * | 2017-10-23 | 2018-02-23 | 中车永济电机有限公司 | Fed wind driven generator slip ring cell structure |
| CN113708570A (en) * | 2021-08-18 | 2021-11-26 | 西安中车永电捷力风能有限公司 | Double-fed aerogenerator sliding ring room cooling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100908 Effective date of abandoning: 20091210 |