CN101795034A - Water-cooling device for wind-driven generator - Google Patents
Water-cooling device for wind-driven generator Download PDFInfo
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- CN101795034A CN101795034A CN 201010117042 CN201010117042A CN101795034A CN 101795034 A CN101795034 A CN 101795034A CN 201010117042 CN201010117042 CN 201010117042 CN 201010117042 A CN201010117042 A CN 201010117042A CN 101795034 A CN101795034 A CN 101795034A
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Abstract
The invention discloses a water-cooling device for a wind-driven generator, comprising a two-layered water jacket stand, a front end cover and a rear end cover, wherein the front end cover and the rear end cover are arranged at the two ends of the two-layered water jacket stand; the two-layered water jacket stand consists of an inner cylinder, a middle cylinder and an outer cylinder; a stand water channel is communicated with a stand water inlet and a stand water outlet which are arranged on the two-layered water jacket stand; a water inlet of the rear end cover is communicated with the stand water outlet by a hose; and a water outlet of the front end cover is communicated with the stand water inlet by a hose. The water-cooling device effectively improves temperature rising of the traditional jacket wind-driven generator, and especially effectively reducing the temperature rising of a bearing, thus increasing the service life of the bearing and reducing the fault rate of the generator. The novel water-cooling wind-driven generator designed by adopting the invention can obviously improve the normal working time of a wind machine in a wind field, reduce the maintenance cost of the whole wind machine and effectively improve the economic benefit of the wind field.
Description
Technical field:
In recent years, wind energy has obtained using widely as clean energy resource, and wherein a kind of mode of effectively utilizing is exactly a wind power generation.The present invention relates to be used for the close-coupled water-cooled wind-driven generator of wind energy conversion system.
Background technology:
Because engine rooms of wind power generators is compact to design, also compare strict to the size design requirement of generator.At present, the type of cooling that comparatively extensively adopts in the generator designs is the cooling of single-layer type water jacket formula.In this type of cooling, because stator core cooperates with the direct hot jacket of water cooling base, the stator coil temperature rise is low, good heat dissipation effect.But owing to the air of rotor by inner loop cools off, area of dissipation is little, heat radiation is difficult, temperature rise.Simultaneously, because bearing can only pass through natural cooling, temperature rise is higher, and situation is particularly serious in the hot junction of inner loop wind path.At present, from the wind-driven generator fault statistics as can be seen, rotor scaling loss and bearing burnt have become the main fault mode of wind-driven generator.
Summary of the invention:
The present invention has designed a kind of brand-new type of cooling for solving close-coupled water-cooled dual-feed wind-driven generator rotor and the high problem of bearing temperature rise.
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of water cooling plant that is used for wind-driven generator is provided, comprise that two-layer equation water jacket support 1, front end housing 2 and rear end cap 3 constitute; Described front end housing 2 and rear end cap 3 are arranged on two-layer equation water jacket support 1 two ends; Described front end housing 2 is made of front end housing body 4 and preceding water channel welded cover plate 5; Described front end housing body 4 is provided with front end housing water inlet 6 and front end housing delivery port 7; Described front end housing water inlet 6 and front end housing delivery port 7 are communicated with the front end housing water channel 8 that is arranged on front end housing body 4 inside simultaneously;
Described rear end cap 3 is made of rear end cap body 9 and rear channel welded cover plate 10; Described rear end cap body 9 is provided with rear end cap water inlet 11 and rear end cap delivery port 12; Described rear end cap water inlet 11 and rear end cap delivery port 12 are communicated with the rear end cap water channel 13 that is arranged on rear end cap body 9 inside simultaneously;
Described two-layer equation water jacket support 1 is made of inner barrel 14, middle cylindrical shell 15 and outer cylinder body 16; The water channel sealing ring at described inner barrel 14, middle cylindrical shell 15 and two ends constitutes support water channel 17; Cylindrical shell 15 and outer cylinder body 16 constitute air channel 18 in the middle of described; Described support water channel 17 is communicated with support water inlet 19 and support delivery port 20 on being arranged on two-layer equation water jacket support 1;
Described rear end cap water inlet 11 is communicated with support delivery port 20 by flexible pipe; Described front end housing delivery port 7 is communicated with support water inlet 19 by flexible pipe.
Described front end housing water channel 8 and rear end cap water channel 13 inside all are provided with end cap water channel muscle 21; 21 one-tenth open annular settings of described end cap water channel muscle.
Described support water channel 17 inside are provided with support water channel muscle 22; 22 one-tenth in described support water channel muscle axially is provided with along support.
18 inside, described support air channel are provided with support air channel muscle 23; 23 one-tenth in described support air channel muscle axially is provided with along support.
Described front end housing 2 is identical with rear end cap 3 structures.
Bottom, described two-layer equation water jacket support 1 two ends is provided with footing, top is provided with hanger.
The present invention has effectively improved the temperature rise of traditional water jacket formula wind-driven generator, particularly effectively reduces bearing temperature rise, thereby has increased the useful life of bearing, has reduced the generator failure rate.Adopt the novel water-cooled wind-driven generator of the present invention's design can significantly improve in the wind field wind energy conversion system normal working hours, reduce the maintenance cost of wind energy conversion system complete machine, effectively improve the wind field economic benefit.
Description of drawings:
Fig. 1 is a water-cooled wind-driven generator structure schematic diagram of the present invention;
Fig. 2 is the water cooling plant structural representation of wind-driven generator of the present invention;
Fig. 3 is a labyrinth type water-cooled end cover structure schematic diagram of the present invention;
Fig. 4 is two-layer equation water jacket support 1 structural representation of the present invention;
Wherein: 1 is two-layer equation water jacket support; 2 is front end housing; 3 is rear end cap; 4 is the front end housing body; 5 is preceding water channel welded cover plate; 6 is the front end housing water inlet; 7 is the front end housing delivery port; 8 is the front end housing water channel; 9 is the rear end cap body; 10 is the rear channel welded cover plate; 11 is the rear end cap water inlet; 12 is the rear end cap delivery port; 13 is the rear end cap water channel; 14 is inner barrel; 15 is middle cylindrical shell; 16 is outer cylinder body; 17 is the support water channel; 18 is the air channel; 19 is the support water inlet; 20 is the support delivery port; 21 is end cap water channel muscle; 22 is support water channel muscle; 23 is support air channel muscle.
Embodiment:
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
As shown in Figure 1, the water-cooled wind-driven generator comprises that mainly stator, rotor, bearing portion group, labyrinth type water-cooled end cap, two-layer equation water jacket support 1, cooling water connect flexible pipe, inner shaft band centrifugal fan, slip ring carbon brush group.
As shown in Figure 2, cooling water enters drive end water-cooled end cap from front end housing 2 (drive end) water inlet, behind the supercooling drive end bearing, flow out from the end cap delivery port, through entering the water inlet of generator two-layer equation water jacket support 1 behind the connection flexible pipe, flow out from water jacket support delivery port 20 behind the cooling water process cooled electric generator rotor, cooling water enters rear end cap 3 (anti-drive end) water inlet after connecting flexible pipe, cooling water flows out from the end cap delivery port behind the supercooling non-driven-end bearing, and whole water-flow chart has been finished the good heat radiating of generator stator-rotator and bearings at both ends.
Figure 3 shows that labyrinth type water-cooled end cover structure, this structure mainly is made up of end cap body, water channel gusset, water inlet pipe, outlet pipe and water channel welded cover plate.This maze-type structure can be strengthened the turbulence intensity of water greatly, thus enhanced heat exchange, cooling bearing effectively.
Figure 4 shows that two-layer equation water jacket support 1 structure, this structure is mainly by inner barrel 14, water inlet pipe, outlet pipe, water channel, water channel muscle, intermediate cylinder, air channel 18, support air channel muscle, outer cylinder body 16, footing, and hanger is formed.This main structure body is water channel and the air channel 18 that two-layer equation distributes: inner barrel 14 has constituted cooling-water duct with intermediate cylinder and water channel muscle, and intermediate cylinder and air channel muscle and outer cylinder body 16 have constituted cooling air channel 18.The heat that stator produces is taken away by the cooling water in the cooling water channel through heat conduction, and radiating effect is good.Welding one circle air channel muscle has significantly increased the heat convection area in the cooling air channel 18.The heat that rotor produces passes to cooling support air channel muscle 23 by circulating air and is finally taken away by the cooling water in the cooling water channel, has significantly reduced the temperature rise of rotor.
The present invention has effectively improved the temperature rise of traditional water jacket formula wind-driven generator, particularly effectively reduces bearing temperature rise, thereby has increased the useful life of bearing, has reduced the generator failure rate.Adopt the novel water-cooled wind-driven generator of the present invention's design can significantly improve in the wind field wind energy conversion system normal working hours, reduce the maintenance cost of wind energy conversion system complete machine, effectively improve the wind field economic benefit.
Above content is to further describing that the present invention did in conjunction with concrete preferred implementation; can not assert that the specific embodiment of the present invention only limits to this; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by claims of being submitted to.
Claims (5)
1. water cooling plant that is used for wind-driven generator is characterized in that:
Comprise that two-layer equation water jacket support (1), front end housing (2) and rear end cap (3) constitute; Described front end housing (2) and rear end cap (3) are arranged on two-layer equation water jacket support (1) two ends; Described front end housing (2) is made of front end housing body (4) and preceding water channel welded cover plate (5); Described front end housing body (4) is provided with front end housing water inlet (6) and front end housing delivery port (7); Inner with being arranged on front end housing body (4) the simultaneously front end housing water channel (8) of described front end housing water inlet (6) and front end housing delivery port (7) is communicated with;
Described rear end cap (3) is made of rear end cap body (9) and rear channel welded cover plate (10); Described rear end cap body (9) is provided with rear end cap water inlet (11) and rear end cap delivery port (12); Inner with being arranged on rear end cap body (9) the simultaneously rear end cap water channel (13) of described rear end cap water inlet (11) and rear end cap delivery port (12) is communicated with;
Described two-layer equation water jacket support (1) is made of inner barrel (14), middle cylindrical shell (15) and outer cylinder body (16); The water channel sealing ring at described inner barrel (14), middle cylindrical shell (15) and two ends constitutes support water channel (17); Cylindrical shell (15) and outer cylinder body (16) constitute air channel (18) in the middle of described; Described support water channel (17) is communicated with support water inlet (19) and support delivery port (20) on being arranged on two-layer equation water jacket support (1);
Described rear end cap water inlet (11) is communicated with support delivery port (20) by flexible pipe; Described front end housing delivery port (7) is communicated with support water inlet (19) by flexible pipe.
2. a kind of according to claim 1 water cooling plant that is used for wind-driven generator is characterized in that: described front end housing water channel (8) and rear end cap water channel (13) inside all are provided with end cap water channel muscle (21); Described end cap water channel muscle (21) becomes the open annular setting.
3. a kind of according to claim 1 water cooling plant that is used for wind-driven generator is characterized in that: described support water channel (17) inside is provided with support water channel muscle (22); Described support water channel muscle (22) becomes axially to be provided with along support.
4. a kind of according to claim 1 water cooling plant that is used for wind-driven generator is characterized in that: inside, described support air channel (18) is provided with support air channel muscle (23); Described support air channel muscle (23) becomes axially to be provided with along support.
5. a kind of according to claim 1 water cooling plant that is used for wind-driven generator is characterized in that: bottom, described two-layer equation water jacket support (1) two ends is provided with footing, top is provided with hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101170425A CN101795034B (en) | 2010-03-03 | 2010-03-03 | Water-cooling device for wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101170425A CN101795034B (en) | 2010-03-03 | 2010-03-03 | Water-cooling device for wind-driven generator |
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| Publication Number | Publication Date |
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| CN101795034A true CN101795034A (en) | 2010-08-04 |
| CN101795034B CN101795034B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101170425A Expired - Fee Related CN101795034B (en) | 2010-03-03 | 2010-03-03 | Water-cooling device for wind-driven generator |
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Cited By (11)
| 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 |
| CN102142736A (en) * | 2011-02-23 | 2011-08-03 | 中科盛创（青岛）电气有限公司 | Half-direct-drive wind driven generator with dual-end cover water jacket cooling structure |
| CN102570696A (en) * | 2012-03-20 | 2012-07-11 | 中科盛创（青岛）电气有限公司 | Expansion tube type water-cooling base for motor |
| CN102790473A (en) * | 2012-08-21 | 2012-11-21 | 渤海大学 | Disc-type permanent magnet motor with sealed cooling structure |
| CN102904371A (en) * | 2012-10-24 | 2013-01-30 | 江苏兆胜空调有限公司 | Novel low temperature rising water-cooling stator engine base and welding method thereof |
| CN104201825A (en) * | 2014-08-14 | 2014-12-10 | 沈坤元 | Efficiently-formed radiator for disc-type motor |
| CN104929877A (en) * | 2015-04-30 | 2015-09-23 | 巢惠英 | Power generator consuming renewable energy sources |
| CN105871124A (en) * | 2016-06-15 | 2016-08-17 | 上虞奥克斯齿轮电机有限公司 | Integrally-water-cooled motor |
| CN108566049A (en) * | 2018-06-21 | 2018-09-21 | 中科盛创（青岛）电气股份有限公司 | A kind of cooling device of the bearing and slip ring of doubly-fed wind turbine |
| CN109787421A (en) * | 2018-12-21 | 2019-05-21 | 江苏亚力防爆电机有限公司 | A kind of motor cooling water channel structure |
| CN115447661A (en) * | 2021-06-08 | 2022-12-09 | 操纵技术Ip控股公司 | Flexible motor mounting piece |
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| CN1960139A (en) * | 2006-10-26 | 2007-05-09 | 湘潭电机股份有限公司 | Powerful asynchronous wind driven generator with duplex winding in dual speeds |
| CN201197099Y (en) * | 2008-05-19 | 2009-02-18 | 湘潭电机股份有限公司 | Water cooling permanent magnet synchronization pulling motor |
| CN201215919Y (en) * | 2008-06-18 | 2009-04-01 | 抚顺煤矿电机制造有限责任公司 | Water cooling construction for shell cover |
| CN201294420Y (en) * | 2008-11-26 | 2009-08-19 | 永济新时速电机电器有限责任公司 | Air-water-cooling low-temperature-rise wind power generator with radiating muscle on base plate |
| CN101527478A (en) * | 2008-03-07 | 2009-09-09 | 上海电气集团上海电机厂有限公司 | Aerogenerator machine base |
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2010
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5073809U (en) * | 1973-11-09 | 1975-06-28 | ||
| CN1960139A (en) * | 2006-10-26 | 2007-05-09 | 湘潭电机股份有限公司 | Powerful asynchronous wind driven generator with duplex winding in dual speeds |
| CN101527478A (en) * | 2008-03-07 | 2009-09-09 | 上海电气集团上海电机厂有限公司 | Aerogenerator machine base |
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| CN201215919Y (en) * | 2008-06-18 | 2009-04-01 | 抚顺煤矿电机制造有限责任公司 | Water cooling construction for shell cover |
| CN201294420Y (en) * | 2008-11-26 | 2009-08-19 | 永济新时速电机电器有限责任公司 | Air-water-cooling low-temperature-rise wind power generator with radiating muscle on base plate |
Cited By (13)
| 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 |
| CN102142736A (en) * | 2011-02-23 | 2011-08-03 | 中科盛创（青岛）电气有限公司 | Half-direct-drive wind driven generator with dual-end cover water jacket cooling structure |
| CN102570696A (en) * | 2012-03-20 | 2012-07-11 | 中科盛创（青岛）电气有限公司 | Expansion tube type water-cooling base for motor |
| CN102790473A (en) * | 2012-08-21 | 2012-11-21 | 渤海大学 | Disc-type permanent magnet motor with sealed cooling structure |
| CN102904371A (en) * | 2012-10-24 | 2013-01-30 | 江苏兆胜空调有限公司 | Novel low temperature rising water-cooling stator engine base and welding method thereof |
| CN102904371B (en) * | 2012-10-24 | 2014-08-13 | 江苏兆胜科技有限公司 | Novel low temperature rising water-cooling stator engine base and welding method thereof |
| CN104201825A (en) * | 2014-08-14 | 2014-12-10 | 沈坤元 | Efficiently-formed radiator for disc-type motor |
| CN104929877A (en) * | 2015-04-30 | 2015-09-23 | 巢惠英 | Power generator consuming renewable energy sources |
| CN105871124A (en) * | 2016-06-15 | 2016-08-17 | 上虞奥克斯齿轮电机有限公司 | Integrally-water-cooled motor |
| CN108566049A (en) * | 2018-06-21 | 2018-09-21 | 中科盛创（青岛）电气股份有限公司 | A kind of cooling device of the bearing and slip ring of doubly-fed wind turbine |
| CN108566049B (en) * | 2018-06-21 | 2024-05-28 | 国华(江苏)风电有限公司 | Cooling device for bearing and slip ring of doubly-fed wind generator |
| CN109787421A (en) * | 2018-12-21 | 2019-05-21 | 江苏亚力防爆电机有限公司 | A kind of motor cooling water channel structure |
| CN115447661A (en) * | 2021-06-08 | 2022-12-09 | 操纵技术Ip控股公司 | Flexible motor mounting piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101795034B (en) | 2012-07-04 |
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