CN106487130A - A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator - Google Patents
A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator Download PDFInfo
- Publication number
- CN106487130A CN106487130A CN201611165360.2A CN201611165360A CN106487130A CN 106487130 A CN106487130 A CN 106487130A CN 201611165360 A CN201611165360 A CN 201611165360A CN 106487130 A CN106487130 A CN 106487130A
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- CN
- China
- Prior art keywords
- rotor
- salient pole
- groove
- ventilation
- pole generator
- 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.)
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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
- H02K1/26—Rotor cores with slots for windings
- H02K1/265—Shape, form or location of the slots
-
- 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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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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 present invention relates to a kind of air cooling non salient pole generator solid rotor aeration structure, it includes rotor, described rotor line embedding groove bottom is provided with the ventilation pair groove of insertion consistent with rotor line embedding groove, it is provided with the air vent communicating with secondary groove of divulging information in the rotor line embedding groove both sides matching with stator air-out region, to the cushion block I placed, with the contact surface surface of coil and the contact surface surface of the cushion block II that is positioned radially along coil and coil is equipped with the ventilation slot consistent with coil winding direction to circle along the shaft, the air vent aliging in the gap that end retaining ring is provided between every group of coil.The present invention is due to using the cushion block I with ventilation slot, cushion block II and the end retaining ring with air vent, end heat can be taken away, simultaneously, the secondary groove of ventilation of rotor line embedding groove bottom connects the axial wind path of formation with the air vent of rotor line embedding groove both sides, air enters the secondary groove of ventilation, by air vent, takes away body heat, thus reducing temperature rise, improve radiating effect.The invention still further relates to a kind of non salient pole generator.
Description
Technical field
The present invention relates to field of motor manufacturing, more particularly, to a kind of air cooling non salient pole generator solid rotor aeration structure and hidden
Pole generator.
Background technology
Electromotor temperature rise control is particularly significant, especially rotor temperature rise.Currently for capacity in 30MW and following small-sized hidden
Pole generator rotor, its solid rotor structure is generally rotor body and opens up some line embedding grooves, and end turn is provided with two kinds of cushion blocks,
Wherein cushion block I is circle along the shaft to placement；Cushion block II is to be positioned radially along coil, and end is provided with retaining ring and fixes.Its cooling is exactly
By the air circulation of rotor surface, heat is brought into stator wind outlet area, thus being cooled down, but, larger for capacity
Electromotor, because rotor temperature rise is higher, surface cooling is difficult to effectively reduce temperature of rotor.
Content of the invention
It is an object of the invention to overcoming disadvantages described above, a kind of high-capacity non-salient pole electromotor solid rotor that is beneficial to is provided to cool down
Air cooling non salient pole generator solid rotor aeration structure and non salient pole generator.
For reaching object above, the technical scheme is that：A kind of air cooling non salient pole generator solid rotor aeration structure,
It includes rotor, described rotor line embedding groove bottom be provided with insertion consistent with rotor line embedding groove ventilation pair groove, with stator air-out
The rotor line embedding groove both sides that region matches are provided with the air vent communicating with secondary groove of divulging information, circle along the shaft to the cushion block I placed with
The contact surface surface of coil and the cushion block II being positioned radially along coil are equipped with and coil winding side with the contact surface surface of coil
To consistent ventilation slot, the air vent aliging in gap that end retaining ring is provided between every group of coil.
Preferably, the ventilation slot on described cushion block I and cushion block II surface is " snakelike ".
Preferably, the air vent of described rotor line embedding groove both sides is two or more semicircle air vent.
Preferably, described semicircle air vent be offset from each other axially disposed.
Preferably, described rotor ventilation pair slot cross-section rectangle, portion is straight trough to rotor ventilation pair groove in the rotor, rotor ventilation
Secondary groove is skewed slot in two ends of rotor.
Preferably, the depth of described rotor ventilation pair groove two ends skewed slot groove depth is the twice of middle part straight trough groove depth.
Preferably, the straight trough length in described rotor ventilation pair groove portion in the rotor is the rotor of 5% rotor body length～7%
Body length.
During work, cold air enters from two ends of rotor, is partly into rotor tip, by cushion block I and cushion block II surface
Air vent on the ventilation slot and retaining ring of processing brings heat into stator wind outlet area；Another part enters under rotor body line embedding groove
The ventilation pair groove in portion, the air vent of the line embedding groove both sides being connected by groove secondary with ventilation brings heat into stator wind outlet area, from
And reduce temperature rise.
The invention still further relates to a kind of non salient pole generator, it includes air cooling non salient pole generator solid rotor aeration structure, described
Air cooling non salient pole generator solid rotor aeration structure is air cooling non salient pole generator solid rotor aeration structure described above.
The method have the benefit that, because the present invention using the cushion block I with ventilation slot, cushion block II and carries logical
The end retaining ring of air holes, can take away end heat, play radiating effect, meanwhile, the ventilation pair of rotor line embedding groove bottom of the present invention
Groove connects with the air vent of rotor line embedding groove both sides, and air vent is radial direction wind path, and the secondary groove of ventilation is axial wind path, and air enters logical
Wind pair groove, by air vent, takes away body heat, thus reducing temperature rise, improving radiating effect, being compared to air inner-cooled generator
The processing of rotor wind path also greatlys save manufacturing procedure.The type of cooling of air cooling can also be applied to more jumbo non-salient pole to send out
Motor.
Brief description
Fig. 1 is embodiment of the present invention rotor outer circle expanded schematic diagram；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is sectional view at B-B in Fig. 1；
Fig. 4 is sectional view at C-C in Fig. 3；
Fig. 5 is embodiment of the present invention rotor body portion wind path schematic diagram；
Fig. 6 is embodiment of the present invention cushion block I structural representation；
Fig. 7 is embodiment of the present invention cushion block II structural representation；
Fig. 8 is embodiment of the present invention end retaining ring vent locations layout viewing；
Fig. 9 is embodiment of the present invention rotor tip wind path structure schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention will be further described.
Referring to the drawings, a kind of air cooling non salient pole generator solid rotor aeration structure, it includes rotor, described rotor line embedding groove
2 bottoms are provided with the ventilation pair groove 3 of insertion consistent with rotor line embedding groove 2, in the rotor line embedding groove 2 matching with stator air-out region
Both sides are provided with the air vent communicating with secondary groove 3 of divulging information, and described air vent is three semicircle air vents 1, described semicircle ventilation
Hole 1 is offset from each other axially disposed, and circle along the shaft is to the cushion block I 4 placed and the contact surface surface of coil with along coil footpath
It is equipped with the ventilation slot consistent with coil winding direction to the cushion block II 5 placed with the contact surface surface of coil, on end retaining ring 6
The air vent aliging in the gap being provided between every group of coil, the ventilation slot on described cushion block I 4 and cushion block II 5 surface is " snakelike ",
Described rotor ventilation pair groove 3 section rectangle, portion is straight trough to rotor ventilation pair groove 3 in the rotor, and rotor ventilation pair groove 3 is in rotor two
Hold as skewed slot, the depth of described rotor ventilation pair groove 3 two ends skewed slot groove depth is the twice of middle part straight trough groove depth, described rotor ventilation
The straight trough length in secondary groove 3 portion in the rotor is 5%～7% rotor body length.
Work process of the present invention is that cold air enters from two ends of rotor, is partly into rotor tip, by cushion block I 4 He
Air vent on the ventilation slot and retaining ring of cushion block II 5 Surface Machining brings heat into stator wind outlet area；Another part enters rotor
The ventilation pair groove 3 of body line embedding groove bottom, heat is brought into by the air vent of the line embedding groove both sides being connected by groove 3 secondary with ventilation
Stator wind outlet area, thus reduce temperature rise.
Rotor semicircle air vent 1 of the present invention is opened in rotor line embedding groove 2 both sides, its every group semicircle air vent 1
Motor entirety of need to aliging wind outlet area, according to rotor diameter size, semicircle air vent 1 external diameter is 5～10mm, described ventilation pair groove
3 is rectangular channel, and groove width is less than rotor line embedding groove 2, and described rotor body wind path is that cold air flows vertically along rotor ventilation pair groove 3
Cross, take the coil heat in rotor line embedding groove 2 out of rotor body through semicircle air vent 1 and enter motor air channel, rotor tip
Air holes opened by retaining ring 6, the gap that air vent need to align between every group of coil, and described rotor tip wind path is cold air along rotor-end
Portion's cushion block I 4, cushion block II 5 surface " snakelike " ventilation slot guiding rotor tip retaining ring 6 air vent, thus by rotor tip heat band
Go out rotor body and enter motor air channel.
The present invention, using the cushion block I 4 with ventilation slot, cushion block II 5 and the end retaining ring 6 with air vent, can take away end
Portion's heat, plays radiating effect, meanwhile, the secondary groove 3 of ventilation of rotor line embedding groove 2 bottom of the present invention and rotor line embedding groove 2 both sides
Air vent connects, and air vent is radial direction wind path, and the secondary groove 3 of ventilation is axial wind path, and air enters the secondary groove 3 of ventilation, by air vent,
Taking away body heat, thus reducing temperature rise, improving radiating effect, the processing being compared to air inner-cooled generator rotor wind path is also big
Save greatly manufacturing procedure.The type of cooling of air cooling can also be applied to more jumbo non salient pole generator.
The invention still further relates to a kind of non salient pole generator, it includes air cooling non salient pole generator solid rotor aeration structure, described
Air cooling non salient pole generator solid rotor aeration structure is air cooling non salient pole generator solid rotor aeration structure described above.
It is one embodiment of the present invention above, a preferred demonstration example.The scope that the present patent application is claimed
It is not only limited in described embodiment.All technical schemes equivalent with the present embodiment belong to protection scope of the present invention.
Claims (12)
1. a kind of air cooling non salient pole generator solid rotor aeration structure, it includes rotor it is characterised in that described rotor line embedding groove
Bottom is provided with the ventilation pair groove of insertion consistent with rotor line embedding groove, in the rotor line embedding groove both sides matching with stator air-out region
It is provided with the air vent communicating with secondary groove of divulging information, circle along the shaft is to the contact surface surface of the cushion block I placed and coil with along coil footpath
It is equipped with the ventilation slot consistent with coil winding direction to the cushion block II placed with the contact surface surface of coil, end retaining ring sets
There is the air vent aliging in the gap between every group of coil.
2. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 1 is it is characterised in that described pad
The ventilation slot on block I and cushion block II surface is " snakelike ".
3. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 1 or claim 2, its feature
It is, the air vent of described rotor line embedding groove both sides is two or more semicircle air vent.
4. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 3 is it is characterised in that described half
Circular vent is offset from each other axially disposed.
5. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 1 or claim 2, its feature
It is, described rotor ventilation pair slot cross-section rectangle, portion is straight trough to rotor ventilation pair groove in the rotor, and rotor ventilation pair groove is in rotor
Two ends are skewed slot.
6. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 3 is it is characterised in that described turn
The secondary slot cross-section rectangle of son ventilation, portion is straight trough to rotor ventilation pair groove in the rotor, and rotor ventilation pair groove is skewed slot in two ends of rotor.
7. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 4 is it is characterised in that described turn
The secondary slot cross-section rectangle of son ventilation, portion is straight trough to rotor ventilation pair groove in the rotor, and rotor ventilation pair groove is skewed slot in two ends of rotor.
8. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 6 is it is characterised in that described turn
The depth of son ventilation secondary groove two ends skewed slot groove depth is the twice of middle part straight trough groove depth.
9. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 7 is it is characterised in that described turn
The depth of son ventilation secondary groove two ends skewed slot groove depth is the twice of middle part straight trough groove depth.
10. a kind of air cooling non salient pole generator solid rotor aeration structure according to claim 8 is it is characterised in that described
The straight trough length in rotor ventilation pair groove portion in the rotor is the rotor body length of 5% rotor body length to 7%.
A kind of 11. air cooling non salient pole generator solid rotor aeration structures according to claim 9 are it is characterised in that described
The straight trough length in rotor ventilation pair groove portion in the rotor is the rotor body length of 5% rotor body length to 7%.
A kind of 12. non salient pole generators, it includes air cooling non salient pole generator solid rotor aeration structure it is characterised in that described sky
Cold non salient pole generator solid rotor aeration structure is air cooling described in claim 11 any claim for the claims 1
Non salient pole generator solid rotor aeration structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165360.2A CN106487130A (en) | 2016-12-16 | 2016-12-16 | A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165360.2A CN106487130A (en) | 2016-12-16 | 2016-12-16 | A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106487130A true CN106487130A (en) | 2017-03-08 |
Family
ID=58285553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611165360.2A Pending CN106487130A (en) | 2016-12-16 | 2016-12-16 | A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106487130A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896023A (en) * | 2018-01-10 | 2018-04-10 | 东方电气集团东方电机有限公司 | Cold aeration structure outside rotor of steam turbo generator end coil two-way |
| CN117895727A (en) * | 2024-03-12 | 2024-04-16 | 德阳市建安机械制造有限公司 | Hollow curved surface part of rotor of variable-rotation-speed pumped storage unit and processing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1976095A2 (en) * | 2007-03-29 | 2008-10-01 | Kabushiki Kaisha Toshiba | Rotating electric machine and rotor thereof |
| CN201319524Y (en) * | 2008-12-09 | 2009-09-30 | 泰豪科技股份有限公司 | Three-phase synchronous generator with multiple electrodes and intermediate frequency |
| CN103633762A (en) * | 2013-12-09 | 2014-03-12 | 哈尔滨理工大学 | Non-salient pole synchronous motor rotor end ventilation method and device |
| CN206237218U (en) * | 2016-12-16 | 2017-06-09 | 湘潭电机股份有限公司 | A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator |
-
2016
- 2016-12-16 CN CN201611165360.2A patent/CN106487130A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1976095A2 (en) * | 2007-03-29 | 2008-10-01 | Kabushiki Kaisha Toshiba | Rotating electric machine and rotor thereof |
| CN201319524Y (en) * | 2008-12-09 | 2009-09-30 | 泰豪科技股份有限公司 | Three-phase synchronous generator with multiple electrodes and intermediate frequency |
| CN103633762A (en) * | 2013-12-09 | 2014-03-12 | 哈尔滨理工大学 | Non-salient pole synchronous motor rotor end ventilation method and device |
| CN206237218U (en) * | 2016-12-16 | 2017-06-09 | 湘潭电机股份有限公司 | A kind of air cooling non salient pole generator solid rotor aeration structure and non salient pole generator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896023A (en) * | 2018-01-10 | 2018-04-10 | 东方电气集团东方电机有限公司 | Cold aeration structure outside rotor of steam turbo generator end coil two-way |
| CN107896023B (en) * | 2018-01-10 | 2023-09-05 | 东方电气集团东方电机有限公司 | Two-way external cooling ventilation structure for rotor end coil of steam turbine generator |
| CN117895727A (en) * | 2024-03-12 | 2024-04-16 | 德阳市建安机械制造有限公司 | Hollow curved surface part of rotor of variable-rotation-speed pumped storage unit and processing method thereof |
| CN117895727B (en) * | 2024-03-12 | 2024-05-14 | 德阳市建安机械制造有限公司 | Hollow curved surface part of rotor of variable-rotation-speed pumped storage unit and processing method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Xiaoling Inventor after: Tian Kang Inventor after: Zhao Ruishan Inventor after: Huang Dan Inventor before: Tian Kang Inventor before: Guo Xiaoling Inventor before: Huang Dan Inventor before: Li Xin |
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| CB03 | Change of inventor or designer information |