CN202183694U - Casing water-cooled type aerogenerator cooling structure - Google Patents
Casing water-cooled type aerogenerator cooling structure Download PDFInfo
- Publication number
- CN202183694U CN202183694U CN2011203003126U CN201120300312U CN202183694U CN 202183694 U CN202183694 U CN 202183694U CN 2011203003126 U CN2011203003126 U CN 2011203003126U CN 201120300312 U CN201120300312 U CN 201120300312U CN 202183694 U CN202183694 U CN 202183694U
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- generator
- cooling
- water
- cylindrical shell
- stator core
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Abstract
The utility model relates to a generator cooling technology, particularly to a casing water-cooled type aerogenerator cooling structure. The generator cooling structure comprises a ventilating duct composed of a generator housing and a stator core radial thermal conduction external cylindrical shell. The ventilating duct and a stator axial direction cooling air-flow channel form a complete air circulation inside the generator. The periphery of the stator core radial thermal conduction external cylindrical shell is provided with a cooling water jacket inside the generator housing, wherein a plurality of folding water channels are parallelly distributed via separator plates along the axial direction of the motor inside the water jacket; the cooling water flows in the folding water channels parallelly distributed along the axial direction of the motor inside the water jacket; and the water jacket and an external water jacket form an enclosed axial water path. The novel aerogenerator cooling structure improves the cooling effect of every part of the generator, thereby effectively avoiding various faults resulting from the heating of the generator and enhances the reliable operation of the generator, with a compact and reasonable structure.
Description
Technical field
The utility model relates to a kind of generator cooling technology, particularly relates to a kind of casing water-cooled wind-driven generator cooling structure.
Background technology
In technique known, the cooling of wind-driven generator normally at air inducing fan of the outside installation of the tail end casing of generator, is respectively equipped with air inlet and air outlet on the end cap of two ends, and generator inside only is provided with rotor axial wind path and air gap wind path.In the generator operation process; Drawing under the action of fan; Extraneous air is got into by the air inlet on the generator shaft extension end end cap, discharges via the air outlet on rotor axial wind path, air gap wind path and the tail end end cap, and rotor and the stator to generator cools off thus.The major defect one of this structure is that the bigger generator unit stator of caloric value can not get effective cooling, and the stator winding coil is heated easily and causes failure of insulation and break down; The 2nd, the air inducing fan is positioned at the outside of generator, and through the air outlet on the tail end end cap and rotor axial wind path and air gap wind path air inducing, its wind-force is faint, and cooling effect is poor.Though in the prior art generator cooling air duct is updated, cooling effect is still not ideal.
The utility model content
The utility model is not enough to prior art, proposes a kind of casing water-cooled wind-driven generator cooling structure, can effectively cool off each member of generator inside, and cooling effectiveness is high, heat radiation is even.
The technical scheme that the utility model adopted:
A kind of casing water-cooled wind-driven generator cooling structure comprises generator housing (1), shaft extension end end cap (2-1); Tail end end cap (2-2); Stator (3), rotor (4), and cooling fan (7); Said generator housing (1) and the stator core radially outside cylindrical shell of heat conduction (5) are formed air duct (6), and said air duct and stator shaft orientation cooling air flow passage (11) are at the inner air circulation that forms a completion of generator; In said generator housing (1); The stator core radially peripheral circumferential of the outside cylindrical shell of heat conduction (5) is provided with cooling water jecket (8); Said water leg (8) inner-use clapboard forms toward turning back water channel along the parallel distribution of motor axial direction; Cooling water past water channel of turning back along the parallel distribution of motor axial direction in said water leg flows, and is assembled into closed axial water route with outer water jacket.
Described casing water-cooled wind-driven generator cooling structure; Cooling fan (7) is positioned at shaft extension end end cap (2-1) inboard of generator; And install with rotor shaft and to be connected; The stator core of the interior shaft extension end of generator housing (1) radially outside cylindrical shell (5) circumference of heat conduction is evenly equipped with the axial ventilation road with the centrifugal internal fan correspondence of cooling, is provided with annular cooling baffler (9) before the inboard internal fan of said shaft extension end end cap (2-1), and the internal fan rear end is provided with deep bead (12).
Described casing water-cooled wind-driven generator cooling structure, the shaft extension end of generator and stator core radially the cooling water jecket of the peripheral circumferential setting of the outside cylindrical shell of heat conduction (5) be connected and be provided with entery and delivery port (10).
The useful good effect of the utility model:
1, the utility model casing water-cooled wind-driven generator cooling structure; The cooling effect of each one of generator is improved greatly; Thereby can eliminate the various faults that cause because of the generator heating effectively, make the operation of generator more reliable, and the whole generator structure is compact more, reasonable.It is inboard that cooling fan is positioned at generator shaft extension end end cap; And install with rotor shaft and to be connected; Survey is provided with deep bead in the shaft extension end end cap of generator housing, is provided with annular cooling baffler in the casing, and the air-flow that fan produces is introduced in the air inlet through hollow shaft runner mouth that is uniformly distributed with outside the casing cooling water runner; In the air intake runner, carry out heat exchange with cooling water, the non-shaft stretching end through generator housing is uniformly distributed with air outlet and gets into motor internal again and form circulation.
2, the utility model casing water-cooled wind-driven generator cooling structure; Through the air channel design in the water channel outside, the formation of rotor axial wind path, the direct heat conduction of stator core; Built-in in addition cooling fan, no matter formed cooling water channel is that water channel outer surface or inner surface have all carried out heat exchange in casing.Thereby the cooling effect of each one of generator is improved greatly, can eliminate the various faults that cause because of the generator heating effectively, make the operation of generator more reliable.Adopt this cooling structure, motor cooling entery and delivery port is designed at the same end of motor case easily.In addition, adopt the design of large-area fin, it is more even to dispel the heat, good heat dissipation effect, can be at the motor two ends formation temperature gradient.
Description of drawings
Fig. 1 is the structural representation of the utility model generator cooling air duct.
Embodiment
Embodiment one: referring to Fig. 1.The utility model casing water-cooled wind-driven generator cooling structure comprises generator housing 1, shaft extension end end cap 2-1; Tail end end cap 2-2; Stator 3, rotor 4, and cooling fan 7; Said generator housing 1 and the stator core radially outside cylindrical shell 5 of heat conduction are formed air ducts 6, and said air duct and stator shaft orientation cooling air flow passage 11 are at the inner air circulation that forms a completion of generator; In said generator housing 1; The stator core radially peripheral circumferential of the outside cylindrical shell 5 of heat conduction is provided with cooling water jecket 8; Said water leg 8 inner-use clapboards form toward turning back water channel along the parallel distribution of motor axial direction; Cooling water past water channel of turning back along the parallel distribution of motor axial direction in said water leg flows, and is assembled into closed axial water route with outer water jacket.On the electric generator casing 1 of shaft extension end with stator core radially the cooling water jecket 8 of the peripheral circumferential setting of the outside cylindrical shell 5 of heat conduction be connected and be provided with entery and delivery port 10.
Embodiment two: referring to Fig. 1; The casing water-cooled wind-driven generator cooling structure of present embodiment; Different with embodiment one is; It is inboard that said cooling fan 7 is positioned at the shaft extension end end cap 2-1 of generator, and install with rotor shaft and to be connected, in the generator housing 1 stator core of shaft extension end radially outside cylindrical shell 5 circumference of heat conduction be laid with the axial ventilation road with the centrifugal internal fan correspondence of cooling; Be provided with annular cooling baffler 9 before the inboard cooling fan of said shaft extension end end cap 2-1, the cooling fan rear end is provided with deep bead 12.
The shaft extension end inside of generator housing 1 is evenly equipped with a plurality of air intakes road junction, and guaranteeing thus has sufficient cooling air inflow in the generator housing.The excircle position of rotor 4 is provided with a plurality of radially cooling air flow passages; Air gap between stator 3 and the rotor 4 constitutes air gap cooling air flow passage 11; Contact with the inner water jacket wall of casing cooling water channel at stator 3 excircle positions; Three cooling air flow passages can guarantee the unimpeded of cooling blast, and stator and rotor are effectively cooled off.
Constitute the hot blast district of carrying heat between this annular cooling baffler 9 and generator housing 1 and the deep bead 12; The non-shaft stretching end inside of generator housing 1 is provided with air outlet 13; Under the effect of cooling fan 7; The hot blast of band heat carries out heat exchange formation cooling air through air channel and cooling water, gets into the motor internal gas channel again through air outlet then and forms closed circulation.The air-flow that fan produces is introduced in the air inlet through hollow shaft runner mouth that is uniformly distributed with outside the casing cooling water jecket, thereby forms negative pressuren zone in fan air intake zone (promptly at rotor axial cooling air flow passage and radial air gap gas channel).In the air intake runner, carry out heat exchange with cooling water, the non-shaft stretching end through generator housing is uniformly distributed with air outlet and gets into motor internal again and form circulation.
The utility model casing water-cooled wind-driven generator cooling structure, on the electric generator casing 1 of shaft extension end with stator core radially the cooling water jecket 8 of the peripheral circumferential setting of the outside cylindrical shell 5 of heat conduction be connected and be provided with entery and delivery port 10.
Adopt utility model casing water-cooled wind-driven generator cooling structure; A heat part that produces in the motor operation course is passed to cooling water through the form of heat convection with the caloric value of generator by the hot-air circulation of sealing and the cooling water of sealing, by cooling water heat is taken away; Another part by stator core directly and the cooling water channel inner surface carry out thermal radiation heat passed to cooling water, by cooling water heat is taken away.Thereby the cooling effect of each one of generator is improved greatly, can eliminate the various faults that cause because of the generator heating effectively, make the operation of generator more reliable.
Claims (3)
1. a casing water-cooled wind-driven generator cooling structure comprises generator housing (1), shaft extension end end cap (2-1); Tail end end cap (2-2); Stator (3), rotor (4), and cooling fan (7); Said generator housing (1) and the stator core radially outside cylindrical shell of heat conduction (5) are formed air duct (6), and said air duct and stator shaft orientation cooling air flow passage (11) are at the inner air circulation that forms a completion of generator; It is characterized in that: in said generator housing (1); The stator core radially peripheral circumferential of the outside cylindrical shell of heat conduction (5) is provided with cooling water jecket (8); Said water leg (8) inner-use clapboard forms toward turning back water channel along the parallel distribution of motor axial direction; Cooling water past water channel of turning back along the parallel distribution of motor axial direction in said water leg flows, and is assembled into closed axial water route with outer water jacket.
2. casing water-cooled wind-driven generator cooling structure according to claim 1; It is characterized in that: cooling fan (7) is positioned at shaft extension end end cap (2-1) inboard of generator; And install with rotor shaft and to be connected; The stator core of the interior shaft extension end of generator housing (1) radially outside cylindrical shell (5) circumference of heat conduction and cooling fan (7) correspondence is evenly equipped with the axial ventilation road; Be provided with annular cooling baffler (9) before the inboard internal fan of said shaft extension end end cap (2-1), the internal fan rear end is provided with deep bead (12).
3. casing water-cooled wind-driven generator cooling structure according to claim 1 and 2 is characterized in that: the shaft extension end of generator and stator core radially the cooling water jecket of the peripheral circumferential setting of the outside cylindrical shell of heat conduction (5) be connected and be provided with entery and delivery port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203003126U CN202183694U (en) | 2011-08-18 | 2011-08-18 | Casing water-cooled type aerogenerator cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203003126U CN202183694U (en) | 2011-08-18 | 2011-08-18 | Casing water-cooled type aerogenerator cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183694U true CN202183694U (en) | 2012-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203003126U Expired - Fee Related CN202183694U (en) | 2011-08-18 | 2011-08-18 | Casing water-cooled type aerogenerator cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183694U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208883A (en) * | 2012-04-11 | 2013-07-17 | 远景能源（江苏）有限公司 | Wind turbine with improved cooling device |
| CN103280927A (en) * | 2013-06-18 | 2013-09-04 | 天津市隆诚泰铝业有限公司 | Water-cooled motor casing double-cooling-circuit structure |
| CN104847705A (en) * | 2015-04-01 | 2015-08-19 | 江苏博众汽车部件有限公司 | Novel fan for car |
| CN105322716A (en) * | 2014-06-11 | 2016-02-10 | 上海汉钟精机股份有限公司 | Motor cooling structure for direct connection screw compressor |
| CN105337430A (en) * | 2015-12-03 | 2016-02-17 | 卧龙电气南阳防爆集团股份有限公司 | Square box motor with radial-duct-free ventilating and cooling structure |
| CN106130258A (en) * | 2016-07-27 | 2016-11-16 | 江苏东方康弛机电科技有限公司 | Water-cooled generator with coolant jacket |
| CN108347135A (en) * | 2018-04-26 | 2018-07-31 | 重庆智驱科技有限公司 | Motor cooling |
| CN109842242A (en) * | 2017-11-27 | 2019-06-04 | 本田技研工业株式会社 | The cooling structure of rotating electric machine and the vehicle for having the cooling structure |
| CN110518722A (en) * | 2019-07-17 | 2019-11-29 | 南京师范大学 | A kind of combined high-speed magneto cooling device |
| CN113472124A (en) * | 2021-07-05 | 2021-10-01 | 珠海格力电器股份有限公司 | Motor and air conditioner |
| WO2022016950A1 (en) * | 2020-07-24 | 2022-01-27 | 珠海格力电器股份有限公司 | Electric motor and centrifugal air compressor |
-
2011
- 2011-08-18 CN CN2011203003126U patent/CN202183694U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208883A (en) * | 2012-04-11 | 2013-07-17 | 远景能源（江苏）有限公司 | Wind turbine with improved cooling device |
| CN103280927A (en) * | 2013-06-18 | 2013-09-04 | 天津市隆诚泰铝业有限公司 | Water-cooled motor casing double-cooling-circuit structure |
| CN105322716A (en) * | 2014-06-11 | 2016-02-10 | 上海汉钟精机股份有限公司 | Motor cooling structure for direct connection screw compressor |
| CN104847705A (en) * | 2015-04-01 | 2015-08-19 | 江苏博众汽车部件有限公司 | Novel fan for car |
| CN105337430A (en) * | 2015-12-03 | 2016-02-17 | 卧龙电气南阳防爆集团股份有限公司 | Square box motor with radial-duct-free ventilating and cooling structure |
| CN106130258A (en) * | 2016-07-27 | 2016-11-16 | 江苏东方康弛机电科技有限公司 | Water-cooled generator with coolant jacket |
| CN109842242A (en) * | 2017-11-27 | 2019-06-04 | 本田技研工业株式会社 | The cooling structure of rotating electric machine and the vehicle for having the cooling structure |
| CN108347135A (en) * | 2018-04-26 | 2018-07-31 | 重庆智驱科技有限公司 | Motor cooling |
| CN110518722A (en) * | 2019-07-17 | 2019-11-29 | 南京师范大学 | A kind of combined high-speed magneto cooling device |
| WO2022016950A1 (en) * | 2020-07-24 | 2022-01-27 | 珠海格力电器股份有限公司 | Electric motor and centrifugal air compressor |
| CN113472124A (en) * | 2021-07-05 | 2021-10-01 | 珠海格力电器股份有限公司 | Motor and air conditioner |
| CN113472124B (en) * | 2021-07-05 | 2022-11-25 | 珠海格力电器股份有限公司 | Motor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20150818 |
|
| EXPY | Termination of patent right or utility model |