CN101350543A - Low-temperature lifting wind power generator - Google Patents
Low-temperature lifting wind power generator Download PDFInfo
- Publication number
- CN101350543A CN101350543A CNA2008100794068A CN200810079406A CN101350543A CN 101350543 A CN101350543 A CN 101350543A CN A2008100794068 A CNA2008100794068 A CN A2008100794068A CN 200810079406 A CN200810079406 A CN 200810079406A CN 101350543 A CN101350543 A CN 101350543A
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- cooler
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- cooler casing
- air
- driven generator
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Abstract
The present invention relates to an electric machine, in particular to a low-temperature rise wind driven generator, which solves the problem that the capacity of the wind driven generator is limited by the temperature rise as a result of the unsatisfactory cooling effect. The low-temperature rise wind driven generator comprises a wind driven generator and an air cooler which is arranged on the top of the wind driven generator; the air cooler comprises a cooler shell; wide guide pipes are uniformly fixed in the cooler shell; diaphragms are fixed on the upper part of each wind guide pipe in the cooler shell, and are provided with a wind inlet and a wind outlet, which are arranged corresponding to the wind inlet and the wind outlet on the bottom of the cooler shell; the inner wall of the top plate of the cooler shell is fixedly provided with a drainage fan above the wind inlet on the diaphragms; and an internal wind guide plate and an external wind guide plate are also fixed in the cooler shell. Because of the arrangement of the drainage fan, the diaphragms and the wind guide plates in the air cooler, the hot air in the electric machine can be absorbed into the cooler, thus the structure enhances the circulation of the hot air in the electric machine, greatly reduces the temperature rise of the electric machine, and overcomes the limitation of the temperature rise of the electric machine to the capacity of the wind driven generator.
Description
Technical field
The present invention relates to motor, be specially a kind of low-temperature lifting wind power generator.
Background technology
Wind-driven generator is fully to reduce temperature rise, is fixed with hollow cooler (as shown in Figure 1) on the top of wind-driven generator.Hollow cooler comprises cooler casing, and the cooler casing bottom has air inlet and is positioned at the air outlet of air inlet both sides; Have air outlet corresponding and the corresponding air inlet in air outlet position bottom cooler casing that is positioned at the air outlet both sides with the air inlet position of cooler casing bottom at the support top of wind-driven generator; The cooler casing internal fixation has uniform guide duct, one end of cooler casing is fixed with blower fan, the other end of cooler is horizontal air outlet, between air inlet and air outlet, be fixed with guide duct at cooler casing bottom surface inwall and cross dividing plate on it, this dividing plate is basic and guide duct is contour (being to keep the gap between dividing plate upper end and the cooler casing top board), is used to isolate air intake and air-out wind path.Distinguished and admirable each guide duct in housing that the blower fan of cooler casing one end produces flows and is discharged by housing other end air outlet.The hot-air of generator inside relies on the rotor rotation or relies on mounted fan on the machine shaft, enter cooler inside through the air outlet on the support, air inlet on the cooler casing, hot-air and guide duct surface heat exchange and lowering the temperature enters motor internal and forms the air flows of motor internal and realize the cooling of generator through the air outlet on the cooler casing, air inlet on the electric machine stand again.Only rely on the rotor rotation to realize flowing of air, the blast of generation is less, and air flows is not smooth, and cooling effect is relatively poor; Fan is installed on the machine shaft, though can increase blast to a certain extent, the blast that produces is still not enough, and cooling effect still is difficult to reach desirable requirement, and powerful fan is installed on the machine shaft can reduces generator efficiency.Wind-driven generator with 1.5MW is an example, and the wind-driven generator of this 1.5MW adopts existing hollow cooler, when rated power 1.5MW operating mode is moved, the stator winding temperature rise up to 95-105K about, generator capacity is subjected to the temperature rise horizontal constraints.
Summary of the invention
The present invention is undesirable because of cooling effect in order to solve existing wind-driven generator, and generator capacity is subjected to the problem of temperature rise horizontal constraints, and a kind of low-temperature lifting wind power generator is provided.
The present invention adopts following technical scheme to realize: low-temperature lifting wind power generator, comprise wind-driven generator and the hollow cooler that is fixed in the wind-driven generator top, hollow cooler comprises cooler casing, the cooler casing bottom has air inlet and is positioned at the air outlet of air inlet both sides, the cooler casing internal fixation has uniform guide duct, the diaphragm plate that is positioned at each guide duct top is arranged at the cooler casing internal fixation, advancing on having on the diaphragm plate bottom cooler casing, what the air outlet position was relative advances, air outlet, at the drainage blower fan that is fixed with on the cooler casing top board inwall above the air inlet that is positioned on the diaphragm plate, in cooler casing, also be fixed with and lay respectively at drainage blower fan both sides and its lower end and be positioned on the air outlet on the diaphragm plate, the bending internal air baffle of upper end between diaphragm plate and cooler casing top board.The drainage blower fan of setting up in the cooler casing sucks the hot-air of generator inside in the cooler mandatoryly, has greatly increased the blast of air flows in the generator, makes air flows more smooth and easy, and can save the fan on the alternator shaft.The distinguished and admirable turbulent condition that in cooler casing, is in that the drainage blower fan produces, the air of turbulent flow not only produces airborne noise in cooler casing, and produces eddy current in cooler casing, and some may also can reflux from air inlet, influence flowing of air, and then influence electric machine temperature rise.Can forced air air-flow directed flow by diaphragm plate and internal air baffle are set, to overcome the other problem that airborne noise and turbulent flow bring.
The present invention on the basis of existing wind-driven generator by in hollow cooler, setting up drainage blower fan and diaphragm plate, wind deflector, fully be drawn into the motor internal hot-air in the cooler and make its directed flow, strengthened the circulation of hot-air in the motor, made it fully carry out heat exchange by cooler.Cold air after the heat exchange enters motor internal by two ends again and cools off, and reduces electric machine temperature rise significantly, overcomes the restriction of electric machine temperature rise to generator capacity; And can save fan on the alternator shaft, with the efficient of further raising generator.Wind-driven generator with 1.5MW is an example, adopt the hollow cooler after improving, because cooling capacity significantly promotes, when under the rated power operating mode, moving, the generator unit stator winding temperature rise is reduced to about 70K, and temperature rise has reduced about nearly 30K, and can make generator under the equal volume condition, capacity increases more than 13%, and the efficient of generator also further improves.
Description of drawings
Fig. 1 is the structural representation of existing wind-driven generator;
Fig. 2 is the hollow cooler housing and the internal structure schematic diagram of low-temperature lifting wind power generator of the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the hollow cooler housing upward view among Fig. 2;
Fig. 5 is the A-A profile of Fig. 2;
Among the figure: 1-cooler casing, 2-air inlet, 3-air outlet, 4-guide duct, 5-diaphragm plate, 6-drainage blower fan, 7-internal air baffle, the outer wind deflector of 8-, 9-bracing frame, 10-dividing plate.
Embodiment
Low-temperature lifting wind power generator, comprise wind-driven generator and the hollow cooler that is fixed in the wind-driven generator top, hollow cooler comprises cooler casing 1, cooler casing 1 bottom has air inlet 2 and is positioned at the air outlet 3 of air inlet both sides, the cooler casing internal fixation has uniform guide duct 4, the diaphragm plate 5 that is positioned at each guide duct top is arranged at cooler casing 1 internal fixation, advancing on having on the diaphragm plate 5 bottom cooler casing, what the air outlet position was relative advances, air outlet, at the drainage blower fan 6 that is fixed with on the cooler casing 1 top board inwall above the air inlet that is positioned on the diaphragm plate 5, in cooler casing 1, also be fixed with and lay respectively at drainage blower fan 6 both sides and its lower end and be positioned on the air outlet on the diaphragm plate, the bending internal air baffle 7 of upper end between diaphragm plate 5 and cooler casing top board.During concrete the manufacturing, can support around the diaphragm plate 5 or directly fix with the cooler casing inwall, internal air baffle 7 part edges can be directly and cooler casing inwall or diaphragm plate 5 fix.For further increasing the directed flow of air, the bight, upper end in cooler casing is provided with wind deflector 8 outside the bending, and when specifically making, the two ends of outer wind deflector 8 can be fixed with the top board and the side plate inwall of cooler casing respectively.On the cooler casing inwall, also be fixed with the bracing frame 9 that lays respectively at drainage blower fan both sides.9 pairs of cooler casings of the bracing frame particularly top board of housing play a supportive role, and simultaneously an end of internal air baffle 7 can be directly fixing with bracing frame 9, so bracing frame the fixing of internal air baffle 7 of being more convenient for is set.Drainage blower fan 6 adopts no spiral case external rotor centrifugal blower, so that blower fan fixing in cooler casing.The same with the wind-driven generator of existing band hollow cooler, have air outlet corresponding and the corresponding air inlet in air outlet position bottom cooler casing that is positioned at the air outlet both sides with the air inlet position of cooler casing bottom at the support top of wind-driven generator; One end of cooler casing is fixed with blower fan, and the other end of cooler is horizontal air outlet, is fixed with guide duct at cooler casing bottom surface inwall between air inlet and air outlet and crosses dividing plate 10 on it.Distinguished and admirable each guide duct 4 in housing that the blower fan of cooler casing one end produces flows and is discharged by housing other end air outlet.The hot-air of generator inside relies on the drainage blower fan, suck cooler inside by force through the air outlet on the support, air inlet on the cooler casing, hot-air and guide duct surface heat exchange and lowering the temperature enters motor internal and forms the air flows of motor internal and realize the cooling of generator through the air outlet on the cooler casing, air inlet on the electric machine stand again.
Claims (5)
1, a kind of low-temperature lifting wind power generator, comprise wind-driven generator and the hollow cooler that is fixed in the wind-driven generator top, hollow cooler comprises cooler casing (1), cooler casing (1) bottom has air inlet (2) and is positioned at the air outlet (3) of air inlet both sides, the cooler casing internal fixation has uniform guide duct (4), it is characterized by: the diaphragm plate (5) that is positioned at each guide duct top is arranged at cooler casing (1) internal fixation, advancing on having on the diaphragm plate (5) bottom cooler casing, what the air outlet position was relative advances, air outlet, on cooler casing (1) top board inwall, be fixed with the drainage blower fan (6) of the air inlet top that is positioned on the diaphragm plate (5), in cooler casing (1), also be fixed with and lay respectively at drainage blower fan (6) both sides and its lower end and be positioned on the air outlet on the diaphragm plate, the upper end is positioned at the bending internal air baffle (7) between diaphragm plate (5) and the cooler casing top board.
2, low-temperature lifting wind power generator according to claim 1, it is characterized by: the bight, upper end in cooler casing is provided with wind deflector outside the bending (8).
3, low-temperature lifting wind power generator as claimed in claim 1 or 2 is characterized by: also be fixed with the bracing frame (9) that lays respectively at drainage blower fan both sides on the cooler casing inwall.
4, low-temperature lifting wind power generator as claimed in claim 1 or 2 is characterized by: drainage blower fan (6) is no spiral case external rotor centrifugal blower.
5, low-temperature lifting wind power generator as claimed in claim 3 is characterized by: drainage blower fan (6) is no spiral case external rotor centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100794068A CN101350543B (en) | 2008-09-12 | 2008-09-12 | Low-temperature lifting wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100794068A CN101350543B (en) | 2008-09-12 | 2008-09-12 | Low-temperature lifting wind power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101350543A true CN101350543A (en) | 2009-01-21 |
| CN101350543B CN101350543B (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100794068A Expired - Fee Related CN101350543B (en) | 2008-09-12 | 2008-09-12 | Low-temperature lifting wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101350543B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332781A (en) * | 2011-06-24 | 2012-01-25 | 东方电气（乐山）新能源设备有限公司 | Plateau 1.5-MW recooling system of wind driven generator |
| CN102577045A (en) * | 2009-10-01 | 2012-07-11 | Abb公司 | A cooling system for an electrical machine |
| CN102687378A (en) * | 2009-12-30 | 2012-09-19 | 罗伯特·博世有限公司 | Transversal flux machine |
| CN106877574A (en) * | 2017-04-13 | 2017-06-20 | 哈尔滨理工大学 | A kind of squirrel-cage motor inverted ventilation method |
| CN108683285A (en) * | 2018-06-25 | 2018-10-19 | 浙江运达风电股份有限公司 | A kind of wind-driven generator of novel cooling manner |
| CN110212700A (en) * | 2019-04-26 | 2019-09-06 | 西安中车永电捷力风能有限公司 | A kind of cooling air duct structure of doubly-fed wind turbine |
| CN110579122A (en) * | 2019-10-11 | 2019-12-17 | 上海东润换热设备制造有限公司 | Heat exchanger |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7777374B2 (en) * | 2004-09-09 | 2010-08-17 | Siemens Aktiengesellschaft | Electrical appliance |
| CN100364211C (en) * | 2006-03-14 | 2008-01-23 | 中国北车集团永济电机厂 | Asynchronous big power and doube-feedback wind-driven generator |
| CN201252446Y (en) * | 2008-09-12 | 2009-06-03 | 永济新时速电机电器有限责任公司 | Wind power generator with low temperature rise |
-
2008
- 2008-09-12 CN CN2008100794068A patent/CN101350543B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577045A (en) * | 2009-10-01 | 2012-07-11 | Abb公司 | A cooling system for an electrical machine |
| CN102687378A (en) * | 2009-12-30 | 2012-09-19 | 罗伯特·博世有限公司 | Transversal flux machine |
| CN102687378B (en) * | 2009-12-30 | 2017-03-15 | 罗伯特·博世有限公司 | Horizontal magnetic field motor |
| CN102332781A (en) * | 2011-06-24 | 2012-01-25 | 东方电气（乐山）新能源设备有限公司 | Plateau 1.5-MW recooling system of wind driven generator |
| CN106877574A (en) * | 2017-04-13 | 2017-06-20 | 哈尔滨理工大学 | A kind of squirrel-cage motor inverted ventilation method |
| CN108683285A (en) * | 2018-06-25 | 2018-10-19 | 浙江运达风电股份有限公司 | A kind of wind-driven generator of novel cooling manner |
| CN110212700A (en) * | 2019-04-26 | 2019-09-06 | 西安中车永电捷力风能有限公司 | A kind of cooling air duct structure of doubly-fed wind turbine |
| CN110579122A (en) * | 2019-10-11 | 2019-12-17 | 上海东润换热设备制造有限公司 | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101350543B (en) | 2010-09-29 |
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Granted publication date: 20100929 Termination date: 20160912 |
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