CN106208499A - A kind of full-enclosed permanent-magnet motor ventilation cooling structure - Google Patents
A kind of full-enclosed permanent-magnet motor ventilation cooling structure Download PDFInfo
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- CN106208499A CN106208499A CN201610661047.1A CN201610661047A CN106208499A CN 106208499 A CN106208499 A CN 106208499A CN 201610661047 A CN201610661047 A CN 201610661047A CN 106208499 A CN106208499 A CN 106208499A
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- Prior art keywords
- axial
- main
- air inlet
- exhaust vent
- ventilation
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to magneto cooling structure, specifically a kind of full-enclosed permanent-magnet motor ventilation cooling structure.The present invention solves existing magneto poor cooling performance, the problem of restricted application.A kind of full-enclosed permanent-magnet motor ventilation cooling structure, including support, drive end bearing bracket, rear end cap, fore bearing, rear bearing, stator structure, rotor structure；The end face of support is through offers axial ventilation hole；The end face of drive end bearing bracket is through offers axial main fresh air inlet；Main ventilation gap is left between main fan and drive end bearing bracket；The end face of rear end cap is through offers axial main exhaust vent, axial auxiliary air inlet hole, axially assist exhaust vent；Secondary ventilation gap is left between auxiliary blower and rear end cap；Axial main fresh air inlet, main ventilation gap, axial ventilation hole, axial main exhaust vent collectively form main cooling air duct structure；Axially auxiliary air inlet hole, secondary ventilation gap, axially auxiliary exhaust vent collectively form supplement heat rejecter wind path structure.The present invention is applicable to magneto.
Description
Technical field
The present invention relates to magneto cooling structure, specifically a kind of full-enclosed permanent-magnet motor ventilation cooling structure.
Background technology
At present, magneto has become an important development direction of novel high-efficiency and energy-saving motor.But practice have shown that, existing
Having magneto to be limited due to its cooling structure, there are the following problems: existing magneto cooling structure mainly uses and carries wind
(rotating shaft drives fan cooling wind to be blowed to the radiating ribs of support outer surface by fan housing hole, then by heat radiation to the fan type of cooling
The heat that magneto produces is taken away by muscle), the heat produced inside magneto cannot fully be taken away by this kind of type of cooling,
Thus cause magneto poor cooling performance, restricted application.Based on this, it is necessary to invent a kind of brand-new magneto cold
But structure, to solve existing magneto poor cooling performance, the problem of restricted application.
Summary of the invention
The present invention is to solve existing magneto poor cooling performance, the problem of restricted application, it is provided that Yi Zhongquan
Close magneto ventilation cooling structure.
The present invention adopts the following technical scheme that realization:
A kind of full-enclosed permanent-magnet motor ventilation cooling structure, including support, drive end bearing bracket, rear end cap, fore bearing, rear bearing, stator
Structure, rotor structure；Described stator structure includes stator core, stator winding；Stator winding is wound in stator core；Described
Rotor structure includes rotating shaft, rotor core；Rotor core is fixed and is assemblied in the middle part of the lateral surface of rotating shaft；
The end face of support is through offers axial ventilation hole；The front end face outer ring of support and drive end bearing bracket seal fixing；After support
End face and rear end cap seal fixing；
The end face of drive end bearing bracket is through offers axial main fresh air inlet；The lateral surface front portion of rotating shaft is fixing is equipped with main fan；Main air
It is provided with labyrinth seal between front end face outer ring and the drive end bearing bracket of fan；Main ventilation gap is left between main fan and drive end bearing bracket, and main
Ventilation gap connects with axial ventilation hole and axial main fresh air inlet respectively；
The end face of rear end cap is through offers axial main exhaust vent, axial auxiliary air inlet hole, axially assist exhaust vent；Axially master goes out
Air holes connects with axial ventilation hole；Axially auxiliary air inlet hole is positioned at the inner side of axial main exhaust vent；Axially auxiliary exhaust vent is positioned at
Between axial main exhaust vent and axially auxiliary air inlet hole；The front end face of rear end cap is provided with annular boss, and annular boss is positioned at axle
To between main exhaust vent and axial auxiliary exhaust vent；The lateral surface rear portion of rotating shaft is fixing is equipped with auxiliary blower；Auxiliary blower
It is provided with labyrinth seal between the front end face inner ring of rear end face outer ring and annular boss；Auxiliary is left between auxiliary blower and rear end cap
Ventilation gap, and secondary ventilation gap respectively with axial auxiliary air inlet hole and axially auxiliary exhaust vent connect；
Axial main fresh air inlet, main ventilation gap, axial ventilation hole, axial main exhaust vent collectively form main cooling air duct structure；Axle
To auxiliary air inlet hole, secondary ventilation gap, axially auxiliary exhaust vent collectively form supplement heat rejecter wind path structure.
During work, rotating shaft drives main fan and auxiliary blower to carry out synchronous rotary.Specific works process is as follows: one, leading
Under the turning effort of fan, cooling wind is inhaled into axial main fresh air inlet, and flows through main ventilation gap, axial ventilation hole successively, so
Discharge by axial main exhaust vent.During flowing through main ventilation gap, axial ventilation hole, cooling wind and fore bearing, stator
Unshakable in one's determination, stator winding carries out heat exchange, is thus taken away by the heat that fore bearing, stator core, stator winding produce, thus realizes
To fore bearing, stator core, the circulating cooling of stator winding.Two, under the turning effort of auxiliary blower, cooling wind is inhaled into axle
To auxiliary air inlet hole, and flow through secondary ventilation gap, then discharge through axially auxiliary exhaust vent.Flowing through secondary ventilation gap
During, cooling wind and rear bearing carry out heat exchange, are thus taken away by the heat that rear bearing produces, thus realize rear bearing
Circulating cooling.Based on said process, compared with existing magneto cooling structure, a kind of full-enclosed permanent-magnet electricity of the present invention
Machine ventilation cooling structure, by using brand new, has possessed following advantage: one aspect of the present invention uses main cooling air duct structure
Achieve fore bearing, stator core, the circulating cooling of stator winding, on the other hand use supplement heat rejecter wind path structure to achieve
Circulating cooling to rear bearing, thus achieves and is fully taken away by the heat produced inside magneto, so that Permanent Magnet and Electric
Machine cooling performance is more preferable, the scope of application is wider.
Present configuration is reasonable, it is ingenious to design, and efficiently solves existing magneto poor cooling performance, restricted application
Problem, it is adaptable to magneto.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1-support, 2-drive end bearing bracket, 3-rear end cap, 4-fore bearing, 5-rear bearing, 6-stator core, 7-stator around
Group, 8-rotating shaft, 9-rotor core, 10-axial ventilation hole, the axial main fresh air inlet of 12-, 13-main fan, 14-main ventilation gap,
The axial main exhaust vent of 15-, 16-axial auxiliary air inlet hole, 17-axially assists exhaust vent, 18-annular boss, 19-auxiliary blower,
20-secondary ventilation gap.
Detailed description of the invention
A kind of full-enclosed permanent-magnet motor ventilation cooling structure, including support 1, drive end bearing bracket 2, rear end cap 3, fore bearing 4, rear axle
Hold 5, stator structure, rotor structure；Described stator structure includes stator core 6, stator winding 7；Stator winding 7 is wound in stator
On unshakable in one's determination 6；Described rotor structure includes rotating shaft 8, rotor core 9；Rotor core 9 is fixing to be assemblied in the middle part of the lateral surface of rotating shaft 8；
The end face of support 1 is through offers axial ventilation hole 10；The front end face outer ring of support 1 and drive end bearing bracket 2 seal fixing；Support
The rear end face of 1 and rear end cap 3 seal fixing；
The end face of drive end bearing bracket 2 is through offers axial main fresh air inlet 12；The lateral surface front portion of rotating shaft 8 is fixing is equipped with main fan
13；It is provided with labyrinth seal between front end face outer ring and the drive end bearing bracket 2 of main fan 13；Master is left between main fan 13 and drive end bearing bracket 2
Ventilation gap 14, and main ventilation gap 14 connects with axial ventilation hole 10 and axial main fresh air inlet 12 respectively；
The end face of rear end cap 3 is through offers axial main exhaust vent 15, axial auxiliary air inlet hole 16, axially auxiliary exhaust vent 17；
Axial main exhaust vent 15 connects with axial ventilation hole 10；Axially auxiliary air inlet hole 16 is positioned at the inner side of axial main exhaust vent 15；Axle
To auxiliary exhaust vent 17 between axial main exhaust vent 15 and axial auxiliary air inlet hole 16；The front end face of rear end cap 3 is provided with ring
Shape boss 18, and annular boss 18 is between axial main exhaust vent 15 and axial auxiliary exhaust vent 17；After the lateral surface of rotating shaft 8
Portion is fixing is equipped with auxiliary blower 19；It is provided with between rear end face outer ring and the front end face inner ring of annular boss 18 of auxiliary blower 19
Labyrinth seal；Leave secondary ventilation gap 20 between auxiliary blower 19 and rear end cap 3, and secondary ventilation gap 20 respectively with axially
Auxiliary air inlet hole 16 connects with axially auxiliary exhaust vent 17；
Axial main fresh air inlet 12, main ventilation gap 14, axial ventilation hole 10, axial main exhaust vent 15 collectively form main cooling air duct
Structure；Axially auxiliary air inlet hole 16, secondary ventilation gap 20, axially auxiliary exhaust vent 17 collectively form supplement heat rejecter wind path knot
Structure.
When being embodied as, the number of described axial ventilation hole 10 is several, and each axial ventilation hole 10 is circumferentially etc.
Away from arrangement；The number of described axial main fresh air inlet 12 is several, and each axial main fresh air inlet 12 circumferentially equidistant arrangement；Institute
The number stating axial main exhaust vent 15 is consistent with the number of axial ventilation hole 10, and each axial main exhaust vent 15 is axial with each
Air vent 10 one_to_one corresponding connects；The number in described axial auxiliary air inlet hole 16 is several, and each axial auxiliary air inlet hole
16 circumferentially equidistant arrangement；The number of described axial auxiliary exhaust vent 17 is several, and each axially assists exhaust vent 17 edge
Circumferentially equidistant arrangement.
Claims (2)
1. a full-enclosed permanent-magnet motor ventilation cooling structure, including support (1), drive end bearing bracket (2), rear end cap (3), fore bearing
(4), rear bearing (5), stator structure, rotor structure；Described stator structure includes stator core (6), stator winding (7)；Stator
Winding (7) is wound in stator core (6)；Described rotor structure includes rotating shaft (8), rotor core (9)；Rotor core (9) is solid
Surely it is assemblied in the middle part of the lateral surface of rotating shaft (8)；
It is characterized in that: the end face of support (1) is through offers axial ventilation hole (10)；The front end face outer ring of support (1) is with front
End cap (2) seals fixing；The rear end face of support (1) and rear end cap (3) seal fixing；
The end face of drive end bearing bracket (2) is through offers axial main fresh air inlet (12)；The lateral surface front portion of rotating shaft (8) is fixing is equipped with master
Fan (13)；It is provided with labyrinth seal between front end face outer ring and the drive end bearing bracket (2) of main fan (13)；Main fan (13) and drive end bearing bracket
(2) leave main ventilation gap (14) between, and main ventilation gap (14) respectively with axial ventilation hole (10) and axial main fresh air inlet
(12) connection；
The end face of rear end cap (3) is through offers axial main exhaust vent (15), axial auxiliary air inlet hole (16), axially assist air-out
Hole (17)；Axial main exhaust vent (15) connects with axial ventilation hole (10)；Axially auxiliary air inlet hole (16) is positioned at axial main air-out
The inner side in hole (15)；Exhaust vent (17) is axially assisted to be positioned between axial main exhaust vent (15) and axial auxiliary air inlet hole (16)；
The front end face of rear end cap (3) is provided with annular boss (18), and annular boss (18) is positioned at axial main exhaust vent (15) and the most auxiliary
Help between exhaust vent (17)；The lateral surface rear portion of rotating shaft (8) is fixing is equipped with auxiliary blower (19)；The rear end of auxiliary blower (19)
It is provided with labyrinth seal between the front end face inner ring of outer ring, face and annular boss (18)；Between auxiliary blower (19) and rear end cap (3)
Leave secondary ventilation gap (20), and secondary ventilation gap (20) respectively with axial auxiliary air inlet hole (16) and axially assist air-out
Hole (17) connects；
Axial main fresh air inlet (12), main ventilation gap (14), axial ventilation hole (10), axial main exhaust vent (15) collectively form master
Cooling air duct structure；Axially auxiliary air inlet hole (16), secondary ventilation gap (20), axially assist exhaust vent (17) to collectively form auxiliary
Help cooling air duct structure.
A kind of full-enclosed permanent-magnet motor ventilation cooling structure the most according to claim 1, it is characterised in that: described the most logical
The number of air holes (10) is several, and each axial ventilation hole (10) circumferentially equidistant arrangement；Described axial main fresh air inlet
(12) number is several, and each axial main fresh air inlet (12) circumferentially equidistant arrangement；Described axial main exhaust vent (15)
Number consistent with the number of axial ventilation hole (10), and each axial main exhaust vent (15) and each axial ventilation hole (10) one
One corresponding connection；The number of described axial auxiliary air inlet hole (16) is several, and each axial auxiliary air inlet hole (16) is along week
To equidistant arrangement；The number of described axial auxiliary exhaust vent (17) is several, and each axially assists exhaust vent (17) along week
To equidistant arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610661047.1A CN106208499A (en) | 2016-08-13 | 2016-08-13 | A kind of full-enclosed permanent-magnet motor ventilation cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610661047.1A CN106208499A (en) | 2016-08-13 | 2016-08-13 | A kind of full-enclosed permanent-magnet motor ventilation cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106208499A true CN106208499A (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610661047.1A Pending CN106208499A (en) | 2016-08-13 | 2016-08-13 | A kind of full-enclosed permanent-magnet motor ventilation cooling structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106208499A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154707A (en) * | 2017-07-06 | 2017-09-12 | 明程电机技术（深圳）有限公司 | Air convection type heat radiation motor |
| CN113937942A (en) * | 2020-06-29 | 2022-01-14 | 中车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor and end cover thereof |
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|---|---|---|---|---|
| CN1848620A (en) * | 2005-03-23 | 2006-10-18 | 株式会社东芝 | Fully-enclosed fan-cooled motor |
| CN200987087Y (en) * | 2006-12-22 | 2007-12-05 | 湘潭电机股份有限公司 | AC variable-frequency control asynchronous traction motor for subway vehicle |
| CN201639435U (en) * | 2010-04-09 | 2010-11-17 | 永济新时速电机电器有限责任公司 | Electric machine with mixed-flow fan for inner-outer air channel circulation |
| CN102356534A (en) * | 2009-03-17 | 2012-02-15 | 株式会社东芝 | Totally-enclosed main motor for vehicle |
| CN102931741A (en) * | 2012-11-13 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Compact permanent magnet wind generator rotor |
| CN103746482A (en) * | 2014-01-22 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Ship propelling permanent-magnetic motor rotor structure |
| CN104094504A (en) * | 2011-02-18 | 2014-10-08 | 株式会社东芝 | Electric motor |
| JP2016015811A (en) * | 2014-07-01 | 2016-01-28 | 株式会社東芝 | Full-enclosed motor |
| CN105634210A (en) * | 2016-03-17 | 2016-06-01 | 冯亮 | Motor capable of realizing stator closed and rotor open ventilation mode by adopting axial-flow ventilation |
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2016
- 2016-08-13 CN CN201610661047.1A patent/CN106208499A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1848620A (en) * | 2005-03-23 | 2006-10-18 | 株式会社东芝 | Fully-enclosed fan-cooled motor |
| CN200987087Y (en) * | 2006-12-22 | 2007-12-05 | 湘潭电机股份有限公司 | AC variable-frequency control asynchronous traction motor for subway vehicle |
| CN102356534A (en) * | 2009-03-17 | 2012-02-15 | 株式会社东芝 | Totally-enclosed main motor for vehicle |
| CN201639435U (en) * | 2010-04-09 | 2010-11-17 | 永济新时速电机电器有限责任公司 | Electric machine with mixed-flow fan for inner-outer air channel circulation |
| CN104094504A (en) * | 2011-02-18 | 2014-10-08 | 株式会社东芝 | Electric motor |
| CN102931741A (en) * | 2012-11-13 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Compact permanent magnet wind generator rotor |
| CN103746482A (en) * | 2014-01-22 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Ship propelling permanent-magnetic motor rotor structure |
| JP2016015811A (en) * | 2014-07-01 | 2016-01-28 | 株式会社東芝 | Full-enclosed motor |
| CN105634210A (en) * | 2016-03-17 | 2016-06-01 | 冯亮 | Motor capable of realizing stator closed and rotor open ventilation mode by adopting axial-flow ventilation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154707A (en) * | 2017-07-06 | 2017-09-12 | 明程电机技术（深圳）有限公司 | Air convection type heat radiation motor |
| CN113937942A (en) * | 2020-06-29 | 2022-01-14 | 中车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor and end cover thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |