CN106532995B - A kind of wind power generator rotor and its cooling means - Google Patents
A kind of wind power generator rotor and its cooling means Download PDFInfo
- Publication number
- CN106532995B CN106532995B CN201611073177.XA CN201611073177A CN106532995B CN 106532995 B CN106532995 B CN 106532995B CN 201611073177 A CN201611073177 A CN 201611073177A CN 106532995 B CN106532995 B CN 106532995B
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- CN
- China
- Prior art keywords
- rotor
- steel plate
- hole
- rotor core
- laminated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
Abstract
It is an object of that present invention to provide a kind of rotors of magnetically saturated wind-driven generator for being able to maintain that production efficiency and preventing rotor.In order to improve wind-driven generator rotor cooling effect, ventilation hole is formed in rotor core, rotor is superimposed by steel plate, each steel plate has cage grooves and through hole, cage grooves are different with the number of through hole, cage grooves number is m, multiple steel plates by being laminated by each rotor core according to every defined number, the number of the steel plate of each rotor core stacking is different, and rotate and be laminated to form rotor with the direction 360 degree/m interval by each rotor core, the through hole of the rotor forms helical form.
Description
Technical field
The present invention relates to a kind of wind power generator rotor and its cooling means, can be used for detecting the temperature of wind-driven generator,
The stable operation for ensuring wind-driven generator belongs to wind-driven generator field.
Background technique
The wind energy resources in China inland and coastal waters are all relatively abundanter, abundant in wind resource, the area that power grid covers
Develop wind-power electricity generation, can supplement and substitute part conventional energy resource, development scheme is suitble to using Large Scale Wind Farm Integration；Farming and pastoral area with
And wind-power electricity generation is developed in the remote districts that power grid cannot cover, and is capable of providing household electricity and part producing electricity consumption, but wind
Power generator can generate heat in operation, and heat generation can be such that motor temperature increases, when the higher situation of motor rotor temperature
Under can burn out motor, simultaneously because wind-force size have uncertainty, thus generator operation have intermittence, running
Fever in journey also has uncertainty.
In order to cooling wind-driven generator while energy saving, used technical solution are as follows: a kind of wind-driven generator turn
Son has: multiple axially stacked rotor cores, hollow rotating shaft, tube-axial fan, radiating fin, and shaft rear end, which is equipped with, to be dissipated
Hot fin, fan setting are each provided on hollow rotating shaft in radiating fin rear end, radiating fin and fan, and hollow shaft is set as vacuum
Closed cavity, vacuum sealing cavity is interior to be equipped with work coolant liquid, and rotor core is made of the multiple steel plates being laminated, and is had more
A cage bar groove, which is characterized in that the steel plate for constituting the rotor core includes multiple cage bar grooves, and the cage bar groove is uniform
It is distributed in rotor radial excircle, the multiple steel plate is laminated and constitutes multiple rotors；And multiple through holes, they
In the inner circumferential side of the steel plate layer, the through hole is evenly distributed on steel plate radial direction middle position, and set the number of through hole as
The number of n, cage bar groove are m, and wherein n, m are respectively different natural numbers, in the steel plate, in the inner circumferential side of the through hole
The inner circumferential side annular portion of formation is with the peripheral side annular portion formed in the peripheral side of the through hole by multiple through holes
Multiple ribs connection that piece is formed each other, each rotor core pass through multiple steel plates according to every defined number
It is laminated, the number of the steel plate of each rotor core stacking is different, and by each rotor core with the rotation of the direction 360 degree/m interval
Turn and be laminated to form rotor, the through hole of the rotor forms helical form.
Summary of the invention
The present invention is mainly to provide a kind of wind-driven generator, has: drive end bearing bracket, rear end cap, shell, stator, multiple axis
To the rotor of stacking, hollow rotating shaft, tube-axial fan, radiating fin, shaft rear end is arranged equipped with fan, radiating fin in fan
Top is fixed on shell, and shell is equipped with air outlet, and hollow shaft is set as vacuum sealing cavity, sets in vacuum sealing cavity
There is work coolant liquid, rotor core is made of the multiple steel plates being laminated, and has multiple cage bar grooves, which is characterized in that is constituted
The steel plate of the rotor core includes multiple cage bar grooves, and the cage bar groove is evenly distributed on rotor radial excircle, by institute
It states multiple steel plate stackings and constitutes multiple rotors；And multiple through holes, they are described in the inner circumferential side of the steel plate layer
Through hole is evenly distributed on steel plate radial direction middle position, and sets the number of through hole as n, and the number of cage bar groove is m, wherein n, m
Respectively different natural numbers, in the steel plate, the through hole inner circumferential side formed inner circumferential side annular portion in institute
The peripheral side annular portion for stating the peripheral side formation of through hole is connected by the multiple ribs formed between multiple through hole pieces
Knot, multiple steel plates by being laminated by each rotor core according to every defined number, each rotor core layer
The number of folded steel plate is different, and each rotor core is rotated and be laminated to form rotor with the direction 360 degree/m interval, institute
The through hole for stating rotor forms helical form.Wherein m is greater than n, and m is not the integral multiple of n
The coolant liquid that wherein works is to pass through the gasification for the coolant liquid that works when liquid of the temperature of rotor higher than certain temperature gasification
It is cooling at radiating fin, heat is taken away by radiating fin.The rear end of hollow rotor shaft is taper, and is set in taper inner face
There is temperature sensor.
In order to which cooling wind-driven generator is energy saving simultaneously, wind-driven generator further includes controller, passes through temperature sensing
Device detects the temperature of work coolant liquid, if detection temperature is more than predetermined temperature, starts fan and is cooled down, if detection temperature
Degree is not above predetermined temperature, then only by work coolant liquid and rib cooling, wherein predetermined temperature is that protection motor is transported safely
Capable temperature upper limit.The coolant liquid that works is by pure water inlet, and preservative, antioxidant composition, wherein pure water inlet, preservative is anti-oxidant
The mass ratio of agent is 100:0.2:0.1.
Detailed description of the invention
Fig. 1 is the cooling block diagram of wind-driven generator.
Symbol description in figure:
100- controller
The cooling electric system of 200- work coolant liquid
300- starts fan coolling electric system.
Specific embodiment
The technical problems to be solved by the invention in order to overcome the shortcomings in the prior art place, a kind of simple structure is provided,
Cost is reduced, and facilitates the structure and method of cooling wind-driven generator.
Referring to attached drawing 1, a kind of wind-driven generator has: drive end bearing bracket, rear end cap, shell, stator are multiple axially stacked
Rotor, hollow rotating shaft, tube-axial fan, radiating fin, shaft rear end be equipped with fan, radiating fin be arranged above fan,
It is fixed on shell, shell is equipped with air outlet, and hollow shaft is set as vacuum sealing cavity, is equipped with work in vacuum sealing cavity
Coolant liquid, rotor core are made of the multiple steel plates being laminated, and have multiple cage bar grooves, which is characterized in that constitute described turn
The steel plate of sub- iron core includes multiple cage bar grooves, and the cage bar groove is evenly distributed on rotor radial excircle, will be the multiple
Steel plate is laminated and constitutes multiple rotors；And multiple through holes, they are in the inner circumferential side of the steel plate layer, the through hole
It is evenly distributed on steel plate radial direction middle position, and sets the number of through hole as n, the number of cage bar groove is m, and wherein n, m are respectively
Different natural numbers, in the steel plate, the through hole inner circumferential side formed inner circumferential side annular portion in the perforation
The peripheral side annular portion that the peripheral side in hole is formed is linked by the multiple ribs formed between multiple through hole pieces, described
Multiple steel plates by being laminated by each rotor core according to every defined number, the steel plate of each rotor core stacking
Number it is different, and each rotor core is rotated and is laminated to form rotor with the direction 360 degree/m interval, the rotor
Through hole forms helical form.Wherein m is greater than n, and m is not the integral multiple of n
The coolant liquid that wherein works is to pass through the gasification for the coolant liquid that works when liquid of the temperature of rotor higher than certain temperature gasification
It is cooling at radiating fin, heat is taken away by radiating fin.The rear end of hollow rotor shaft is taper, and is set in taper inner face
There is temperature sensor.
In order to which cooling wind-driven generator is energy saving simultaneously, wind-driven generator further includes controller, passes through temperature sensing
Device detects the temperature of work coolant liquid, if detection temperature is more than predetermined temperature, controller 100 starts fan coolling department of electrical engineering
System 300, it is only by work coolant liquid and rib cooling, i.e., cold by work if detection temperature is not above predetermined temperature
But but electric system 200 cools down motor to liquid cooling, and wherein predetermined temperature is the temperature upper limit for protecting motor safe operation.Work cooling
Liquid is by pure water inlet, and preservative, antioxidant composition, wherein pure water inlet, the mass ratio of preservative, antioxidant is 100:0.2:
0.1。
Claims (2)
1. a kind of wind power generator rotor, has: including multiple axially stacked rotor cores, hollow rotating shaft, axial-flow type wind
Fan, shaft rear end are equipped with radiating fin, and fan is arranged after radiating fin, and hollow shaft is set as vacuum sealing cavity, vacuum seal
Work coolant liquid is equipped in closed chamber body, radiating fin and fan are arranged on vacuum sealing cavity, rotor core, by being laminated
Multiple steel plates constitute, and have multiple cage bar grooves, which is characterized in that constitute the rotor core the steel plate include it is multiple
Cage bar groove, the cage bar groove are evenly distributed on rotor radial excircle, and the multiple steel plate is laminated and constitutes multiple described turns
Son；And multiple through holes, in the inner circumferential side of the steel plate layer, the through hole is evenly distributed on steel plate radial direction interposition for they
It sets, and sets the number of through hole as n, the number of cage bar groove is m, and wherein n, m are respectively different natural numbers, in the steel plate
In, the inner circumferential side annular portion of formation and the peripheral side circle formed in the peripheral side of the through hole in the inner circumferential side of the through hole
Ring portion is linked by the multiple ribs formed between multiple through hole pieces, and each rotor core passes through multiple steel
Plate is laminated according to every defined number, and the number of the steel plate of each rotor core stacking is different, and by each rotor core
It rotates and is laminated to form rotor with the direction 360 degree/m interval, the through hole of the rotor forms helical form, and the m is greater than
N, the m are not the integral multiples of n, and the rear end of hollow rotor shaft is taper, and is equipped with temperature sensor in taper inner face.
Further include controller 2. a kind of wind-driven generator cooling means, has the wind power generator rotor in claim 1, leads to
The temperature of excess temperature sensor detecting work coolant liquid starts fan and is cooled down if detection temperature is more than predetermined temperature,
If detection temperature is not above predetermined temperature, only by work coolant liquid and rib cooling, the work coolant liquid is by pure
Water inlet, preservative, antioxidant composition, wherein pure water water, preservative, the mass ratio of antioxidant are 100:0.2:0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073177.XA CN106532995B (en) | 2016-11-29 | 2016-11-29 | A kind of wind power generator rotor and its cooling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073177.XA CN106532995B (en) | 2016-11-29 | 2016-11-29 | A kind of wind power generator rotor and its cooling means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106532995A CN106532995A (en) | 2017-03-22 |
| CN106532995B true CN106532995B (en) | 2019-08-16 |
Family
ID=58353827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073177.XA Expired - Fee Related CN106532995B (en) | 2016-11-29 | 2016-11-29 | A kind of wind power generator rotor and its cooling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106532995B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479590A (en) * | 2017-08-04 | 2017-12-15 | 广州威能机电有限公司 | Generating set temperature control system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2211669Y (en) * | 1994-09-01 | 1995-11-01 | 国营新乡振动设备总厂 | Heat pipe vibrating motor |
| CN201515291U (en) * | 2009-09-29 | 2010-06-23 | 沈阳华创风能有限公司 | Direct-drive wind generator |
| CN201528232U (en) * | 2009-10-15 | 2010-07-14 | 福建省尚宇环保科技有限公司 | Motor rotor |
| CN102664471A (en) * | 2012-05-05 | 2012-09-12 | 福建福兴电机有限公司 | Self-balanced type motor rotor |
| CN203406699U (en) * | 2013-06-13 | 2014-01-22 | 东莞电子科技大学电子信息工程研究院 | Novel motor rotor structure |
| CN103986263A (en) * | 2014-06-07 | 2014-08-13 | 哈尔滨理工大学 | Rotor packs and method for forming helical passage |
| CN104158367A (en) * | 2014-09-11 | 2014-11-19 | 吕三元 | Superhigh-efficiency three-phase asynchronous motor |
-
2016
- 2016-11-29 CN CN201611073177.XA patent/CN106532995B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2211669Y (en) * | 1994-09-01 | 1995-11-01 | 国营新乡振动设备总厂 | Heat pipe vibrating motor |
| CN201515291U (en) * | 2009-09-29 | 2010-06-23 | 沈阳华创风能有限公司 | Direct-drive wind generator |
| CN201528232U (en) * | 2009-10-15 | 2010-07-14 | 福建省尚宇环保科技有限公司 | Motor rotor |
| CN102664471A (en) * | 2012-05-05 | 2012-09-12 | 福建福兴电机有限公司 | Self-balanced type motor rotor |
| CN203406699U (en) * | 2013-06-13 | 2014-01-22 | 东莞电子科技大学电子信息工程研究院 | Novel motor rotor structure |
| CN103986263A (en) * | 2014-06-07 | 2014-08-13 | 哈尔滨理工大学 | Rotor packs and method for forming helical passage |
| CN104158367A (en) * | 2014-09-11 | 2014-11-19 | 吕三元 | Superhigh-efficiency three-phase asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532995A (en) | 2017-03-22 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190719 Address after: 312000 No. 1439 Wenchang Road, Lanting Street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Xiuzhen New Energy Technology Co., Ltd. Address before: 226300 Jiangsu science and technology zone, Nantong, New Century Avenue, No. 266 science and technology window Applicant before: Nantong Voight Optoelectronics Technology Co., Ltd. |
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Effective date of registration: 20201127 Address after: No.89 Fulong Road, Chongchuan District, Nantong City, Jiangsu Province 226001 Patentee after: JIANGSU JINTONGYUAN INDUSTRIAL Co.,Ltd. Address before: 312000 No. 1439 Wenchang Road, Lanting Street, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: Shaoxing Xiuzhen New Energy Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20201129 |