CN106532995A - Wind power generator rotor and cooling method therefor - Google Patents
Wind power generator rotor and cooling method therefor Download PDFInfo
- Publication number
- CN106532995A CN106532995A CN201611073177.XA CN201611073177A CN106532995A CN 106532995 A CN106532995 A CN 106532995A CN 201611073177 A CN201611073177 A CN 201611073177A CN 106532995 A CN106532995 A CN 106532995A
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- CN
- China
- Prior art keywords
- rotor
- steel plate
- hole
- circumferential side
- wind
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- 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.)
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention aims to provide a wind power generator rotor capable of maintaining production efficiency and preventing rotor magnetic saturation. For improving the cooling effect of the wind power generator rotor, ventilating holes are formed in each rotor iron core; the rotor is formed by steel plates in an overlaying manner; each steel plate has mouse cage grooves and run-through holes; the numbers of the mouse cage grooves and run-through holes are different; the number of the mouse cage grooves is m; each rotor iron core is formed by stacking the multiple steel plates according to specific amount of sheets; the amount of sheets of the steel plates for stacking each rotor iron core is different; the rotor iron cores are rotated at intervals in a direction of 360-degree/m and stacked to form the rotor; and the run-through holes of the rotor form a spiral shape.
Description
Technical field
The present invention relates to a kind of wind power generator rotor and its cooling means, can be used to detect the temperature of wind-driven generator,
Guarantee the stable operation of wind-driven generator, belong to wind-driven generator field.
Background technology
The wind energy resources in China inland and coastal waters all compares abundant, abundant in wind resource, the area that electrical network is covered
Development wind-power electricity generation, can supplement and substitute part conventional energy resource, and development scheme is adapted to adopt Large Scale Wind Farm Integration；Farming and pastoral area with
And the remote districts development wind-power electricity generation that electrical network can not be covered, using the teaching of the invention it is possible to provide household electricity and part producing electricity consumption, but wind
Power generator can produce heat in operation, and heat is produced raises can motor temperature, 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, which was running
Heating in journey also has uncertainty.
In order to be able to cool down wind-driven generator while energy saving, the technical scheme for being adopted for：A kind of wind-driven generator turns
Son, which possesses：Multiple axially stacked rotor cores, hollow rotating shaft, tube-axial fan, radiating fin, rotating shaft rear end are provided with scattered
Hot fin, fan are arranged on radiating fin rear end, and radiating fin is each provided on hollow rotating shaft with fan, and hollow axle is set to vacuum
Closed cavity, is provided with work coolant in vacuum sealing cavity, rotor core, and which is made up of the multiple steel plates being laminated, and has many
Individual cage bar groove, it is characterised in that the steel plate for constituting the rotor core has：Multiple cage bar grooves, the cage bar groove are uniform
Rotor radial excircle is distributed in, the plurality of steel plate is laminated and multiple rotors are constituted；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 centre position, and set the number of through hole as
N, the number of cage bar groove is m, and wherein n, m is respectively different natural numbers, in the steel plate, in the inner circumferential side of the through hole
The outer circumferential side annular portion that the inner circumferential side annular portion of formation is formed with the outer circumferential side in the through hole is by multiple through holes
The multiple ribs formed between piece link, described each rotor core by by multiple steel plates according to every regulation number
It is laminated, the number of the steel plate of each rotor core stacking is different, and each rotor core is revolved with 360 degree/m directions interval
Turn and be laminated to form rotor, the through hole of the rotor forms helical form.
The content of the invention
The present invention is mainly to provide a kind of wind-driven generator, and which possesses：Drive end bearing bracket, rear end cap, housing, stator, multiple axles
To the rotor of stacking, hollow rotating shaft, tube-axial fan, radiating fin, rotating shaft rear end are provided with fan, and radiating fin is arranged on fan
Top, is fixed on housing, and housing is provided with air outlet, and hollow axle is set to vacuum sealing cavity, sets in vacuum sealing cavity
There is a work coolant, rotor core, which is made up of the multiple steel plates being laminated, and has multiple cage bar grooves, it is characterised in that constituted
The steel plate of the rotor core has：Multiple cage bar grooves, the cage bar groove are evenly distributed on rotor radial excircle, by institute
State multiple steel plate stackings and constitute 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 centre 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, in the inner circumferential side annular portion of the inner circumferential side formation of the through hole and in institute
The outer circumferential side annular portion for stating the outer circumferential side formation of through hole is connected by the multiple ribs formed between multiple through hole pieces
Knot, described each rotor core by multiple steel plates are laminated according to the number of every regulation, 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 360 degree/m directions interval, institute
The through hole for stating rotor forms helical form.Wherein m is more than n, and m is not the integral multiple of n
The coolant that wherein works is that the gasification by the coolant that works is dissipating when temperature of rotor is higher than the liquid of uniform temperature gasification
Cool down at hot fin, heat is taken away by radiating fin.The rear end of hollow rotor shaft is taper, and is provided with temperature in taper inner face
Degree sensor.
In order to be able to cool down wind-driven generator while energy saving, wind-driven generator also includes controller, by temperature sensing
The temperature of device detection work coolant, if detection temperature exceedes predetermined temperature, starts fan and is cooled down, if detection temperature
Degree is not above predetermined temperature, then only pass through work coolant and Fin, and wherein predetermined temperature is protection motor safety fortune
Capable temperature upper limit.Work coolant is by pure water inlet, preservative, antioxidant composition, wherein pure water inlet, preservative, antioxidation
The mass ratio of agent is 100:0.2:0.1.
Description of the drawings
Fig. 1 is wind-driven generator cooling block diagram.
Symbol description in figure：
100- controllers
200- work coolant cooling electric systems
300- starts fan coolling electric system.
Specific embodiment
The technical problem to be solved is to overcome weak point of the prior art, there is provided a kind of simple structure,
Reduces cost, and the structure and method of convenient cooling wind-driven generator.
Referring to the drawings 1, a kind of wind-driven generator, which possesses：Drive end bearing bracket, rear end cap, housing, stator are multiple axially stacked
Rotor, hollow rotating shaft, tube-axial fan, radiating fin, rotating shaft rear end be provided with fan, and radiating fin is arranged on above fan,
It is fixed on housing, housing is provided with air outlet, hollow axle is set to vacuum sealing cavity, is provided with work in vacuum sealing cavity
Coolant, rotor core, which is made up of the multiple steel plates being laminated, and has multiple cage bar grooves, it is characterised in that constitute described turning
The sub steel plate unshakable in one's determination has：Multiple cage bar grooves, the cage bar groove are evenly distributed on rotor radial excircle, will be the plurality of
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
Steel plate radial direction centre position being evenly distributed on, and the number of through hole being set as n, the number of cage bar groove is m, wherein n, m is respectively
Different natural numbers, in the steel plate, in the inner circumferential side annular portion of the inner circumferential side formation of the through hole and in the insertion
The outer circumferential side annular portion that the outer circumferential side in hole is formed is linked by the multiple ribs formed between multiple through hole pieces, described
Each rotor core by multiple steel plates are laminated according to the number of every regulation, the steel plate of each rotor core stacking
Number it is different, and each rotor core is spaced with 360 degree/m directions rotates and be laminated to form rotor, the rotor
Through hole forms helical form.Wherein m is more than n, and m is not the integral multiple of n
The coolant that wherein works is that the gasification by the coolant that works is dissipating when temperature of rotor is higher than the liquid of uniform temperature gasification
Cool down at hot fin, heat is taken away by radiating fin.The rear end of hollow rotor shaft is taper, and is provided with temperature in taper inner face
Degree sensor.
In order to be able to cool down wind-driven generator while energy saving, wind-driven generator also includes controller, by temperature sensing
The temperature of device detection work coolant, if detection temperature exceedes predetermined temperature, controller 100 starts fan coolling department of electrical engineering
System 300, if detection temperature is not above predetermined temperature, only passes through work coolant and Fin, i.e., cold by work
But liquid cooling electric system 200 cools down motor, and wherein predetermined temperature is the temperature upper limit for protecting motor safety operation.Work cooling
By pure water inlet, preservative, antioxidant composition, wherein pure water inlet, preservative, the mass ratio of antioxidant is 100 to liquid:0.2:
0.1。
Claims (6)
1. a kind of wind power generator rotor, which possesses：Including multiple axially stacked rotor cores, hollow rotating shaft, axial-flow type wind
Fan, rotating shaft rear end is provided with radiating fin, and after fan is arranged on radiating fin, hollow axle is set to vacuum sealing cavity, vacuum seal
Work coolant is provided with closed chamber body, radiating fin and fan are arranged on vacuum sealing cavity, rotor core, which is by being laminated
Multiple steel plates constitute, and have multiple cage bar grooves, it is characterised in that the steel plate for constituting the rotor core has：It is multiple
Cage bar groove, the cage bar groove are evenly distributed on rotor radial excircle, and the plurality of steel plate is laminated and multiple described turns are constituted
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
Putting, and the number of through hole being set as n, the number of cage bar groove is m, and wherein n, m is respectively different natural numbers, in the steel plate
In, the outer circumferential side circle that the inner circumferential side annular portion formed in the inner circumferential side of the through hole is formed with the outer circumferential side in 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 the number of every regulation, and the number of the steel plate of each rotor core stacking is different, and by each rotor core
Rotate and be laminated to form rotor with 360 degree/m directions interval, the through hole of the rotor forms helical form.
2. the rotor of electric rotating machine according to claim 1, it is characterised in that the m is more than n.
3. the rotor of the electric rotating machine according to any one of claim 1-2, it is characterised in that the m is not the integer of n
Times.
4. the rotor of the electric rotating machine according to any one of claim 1-3, the rear end of hollow rotor shaft is taper, and in cone
Shape inner face is provided with temperature sensor.
5. a kind of wind-driven generator cooling means, possesses the wind power generator rotor in claim 1-4, also including controller,
By the temperature of temperature sensor detection work coolant, if detection temperature exceedes predetermined temperature, startup fan carries out cold
But, if detection temperature is not above predetermined temperature, work coolant and Fin are only passed through.
6. wind-driven generator cooling means according to claim 5, the work coolant are resisted by pure water inlet, preservative
Oxidant is constituted, wherein pure water inlet, preservative, and the mass ratio of antioxidant is 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 true CN106532995A (en) | 2017-03-22 |
| CN106532995B 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) |
Cited By (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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532995B (en) | 2019-08-16 |
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| SE01 | Entry into force of request for substantive examination | ||
| 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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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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 |