CN108539889A - A kind of permanent-magnetic synchronous motor rotor air-cooled structure - Google Patents
A kind of permanent-magnetic synchronous motor rotor air-cooled structure Download PDFInfo
- Publication number
- CN108539889A CN108539889A CN201810409375.1A CN201810409375A CN108539889A CN 108539889 A CN108539889 A CN 108539889A CN 201810409375 A CN201810409375 A CN 201810409375A CN 108539889 A CN108539889 A CN 108539889A
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- China
- Prior art keywords
- rotor
- air
- permanent
- synchronous motor
- slot
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of permanent-magnetic synchronous motor rotor air-cooled structures, the electric motor end cap and the rotor inside electric machine casing that the permanent magnet synchronous motor includes electric machine casing, is set to electric machine casing both ends, the rotor center is fixed with machine shaft, it is fixed with equally distributed magnet steel on the outside of rotor, the air-cooled structure includes the driving flabellum being installed on machine shaft, the rotor is equipped with axial air slot, and the electric motor end cap and electric machine casing are internally provided with the air guide channel of connection.The present invention can effectively solve the problems, such as that the active cooling that rotor high-speed rotation is brought is difficult, the setting of rotor air slot can effectively cool down magnet steel, it is rotated using rotor and driving flabellum rotary drive motor inner air is driven to circulate, ensure the closing of gas flow circuits by end cap and enclosure interior air guide channel, gas can reach the cooling effect using radiation water channel to air by shell, play the role of active cooling.
Description
Technical field
The present invention relates to motor cooling technology, more particularly to a kind of permanent-magnetic synchronous motor rotor air-cooled structure.
Background technology
New energy automobile motor just gradually tends to high power density, high speed at present, and motor temperature rise problem also gradually highlights.
Magnet steel is very sensitive to operating temperature inside motor, and when magnet steel temperature is excessively high, magnet steel magnetic property can drastically decline, and lead to motor
It can decline therewith, result even in the permanent loss of excitation of magnet steel.Automobile permanent magnet synchronous motor magnet steel is mostly in internal rotor, motor
Portion is compact-sized, and rotor is in high speed rotation state in the course of work, carrys out larger difficulty to rotor cooling zone.
In existing scheme, there is proposition to radiate to rotor using hollow shaft oil cooling scheme, is revolved using motor high speed
The centrifugation power drive cooling oil turned is sprayed on rotor, and complex using such scenario-frame, cost is higher, and needs to increase
A set of oil cooling aggregate, leakproofness and reliability have considered.There is technical staff to propose to open wind groove in rotor simultaneously, but still
Do not refer to how to ensure motor inner air flow, and how the air that cooling temperature is gradually increasing.
Invention content
Purpose of the present invention is to：A kind of permanent-magnetic synchronous motor rotor air-cooled structure is provided, rotor high speed rotation band is overcome
The cooling difficulty come is circulated using flabellum driving motor inner air, is radiated to rotor by internal rotor air slot, and
So that motor inner air is formed cycle in closing using air guide channel in end cap and shell, and air is carried out to continue cooling, reaches
To the preferable heat dissipation effect of magnet steel.
The technical scheme is that：
A kind of permanent-magnetic synchronous motor rotor air-cooled structure, the permanent magnet synchronous motor include electric machine casing, are set to electric machine casing
The electric motor end cap and the rotor inside electric machine casing at both ends, the rotor center are fixed with machine shaft, motor
It is fixed with equally distributed magnet steel on the outside of rotor, the air-cooled structure includes the driving flabellum being installed on machine shaft, described
Rotor is equipped with axial air slot, and the electric motor end cap and electric machine casing are internally provided with the air guide channel of connection.
Preferably, the air slot on the rotor is uniformly distributed along rotor circumferencial direction, each magnet steel edge
It is arranged with air slot, air slot is close to magnet steel edge, spoiler is arranged in equal spacing with inside air slot.
Preferably, the rotor both ends are respectively fixed with rotor press plate, respective rotor air guide on the rotor press plate
The position of slot is evenly arranged respective vent.
Preferably, it is connected by keyway between the driving flabellum and machine shaft.
Preferably, the driving flabellum quantity is 2, that is, is located at the preceding driving flabellum of two ends of rotor and rear driving
The wind direction of flabellum, two driving flabellums is consistent.
Preferably, the driving flabellum is set as one with rotor press plate, and directly processing generates driving on rotor press plate
Shape needed for flabellum.
Preferably, the air guide channel is distributed uniformly and circumferentially inside electric motor end cap and electric machine casing, and
Air guide channel is located at the outside of electric machine casing water channel, and certain amount cooling fin is arranged inside air guide channel.
Preferably, the electric motor end cap inlet side is provided with deflector.
Preferably, the rotor is equipped with axial rotor lightening hole, and the rotor lightening hole is as internal rotor
Air slot, and a certain number of spoilers are arranged inside lightening hole.
Preferably, the magnet steel is positioned in the magnetic slot of rotor, magnetic slot radial guiding in rotor
Logical, there are magnet steel to install gap at magnet steel both ends for magnetic slot, and the magnet steel installs gap as internal rotor air slot.
It is an advantage of the invention that：
1. permanent-magnetic synchronous motor rotor air-cooled structure provided by the invention can effectively solve the master that rotor high-speed rotation is brought
The problem of dynamic cooling difficulty, the setting of rotor air slot can effectively cool down magnet steel, rotated using rotor and drive driving fan
Leaf rotary drive motor inner air circulates, and ensures the closing of gas flow circuits by end cap and enclosure interior air guide channel,
Gas can reach the cooling effect using radiation water channel to air by shell, play the role of active cooling, avoid for a long time
Operation leads to the excessively high problem for causing heat dissipation effect bad of motor inner air, while the flowing of inner air can be to front and back bearings
Room is cooled down.
2. all cooling circuits of the present invention program carry out inside motor, it is not related to generating convection current with extraneous air,
Leakproofness and the safety of motor is effectively ensured, while simple in structure, it is easy for installation.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the axial intermediate cross-section sectional view of the embodiment of the present invention 1；
Fig. 2 is 1 rotor schematic top plan view of the embodiment of the present invention；
Fig. 3 is 1 housing cross-sectional schematic diagram of the embodiment of the present invention；
Fig. 4 is the axial intermediate cross-section sectional view of the embodiment of the present invention 2；
Fig. 5 is 3 rotor schematic top plan view of the embodiment of the present invention；
Fig. 6 is 4 rotor schematic top plan view of the embodiment of the present invention.
Wherein, 1 is electric machine casing, and 2 be motor front end cover, and 3 be back end cover for motor, and 4 be deflector, and 5 be air guide channel, 6
For rotor, 7 be rotor press plate, and 8 be magnet steel, and 9 be air slot, and 10-1 drives flabellum after being, 10-2 is preceding driving flabellum, 11
It is magnetic slot for machine shaft, 12,13 be spoiler, and 14 be cooling fin, and 15 be shell water channel, and 16 be rotor lightening hole, and 17 are
Magnet steel installs gap.
Specific implementation mode
Embodiment 1
As shown in Figs. 1-3, a kind of permanent-magnetic synchronous motor rotor air-cooled structure of proposition of the invention, the permanent magnet synchronous motor include
Motor inside electric machine casing 1, the motor front end cover 2 for being set to electric machine casing both ends, back end cover for motor 3 and electric machine casing
Rotor 6, the rotor center is fixed with machine shaft 11, equally distributed magnet steel 8 is fixed on the outside of rotor, described
Magnet steel 8 is positioned in the magnetic slot 12 of rotor, and the air-cooled structure includes the preceding driving flabellum being installed on machine shaft
10-2 and rear driving flabellum 10-1, is connected between two driving flabellums and machine shaft 11 by keyway, and wind direction is consistent.It is described
Rotor is equipped with axial air slot 9, and the air slot 9 is uniformly distributed along rotor circumferencial direction, 8 side of each magnet steel
Edge is arranged with air slot 9, and air slot 9 is close to 8 edge of magnet steel, spoiler 13, spoiler are arranged in equal spacing with inside air slot 9
Quantity is set as 2~6.Two electric motor end caps and electric machine casing 1 are internally provided with the air guide channel 5 of connection.
The air guide channel 5 is distributed uniformly and circumferentially inside electric motor end cap and electric machine casing 1, air guide channel
4~10 are set as, electric motor end cap inlet side is provided with deflector 4.Air guide channel 5 is located at the outside of electric machine casing water channel 15,
And 5 inside arrangement certain amount cooling fin 14 of air guide channel, cooling fin quantity can be 2~6.
6 both ends of the rotor are respectively fixed with rotor press plate 7, respective rotor air slot 9 on the rotor press plate 7
Position is evenly arranged respective vent.
In motor operation course, forward and backward driving flabellum follows rotor high speed rotation, plays a part of to drive air, electricity
Machine internal gas can enter inside rotor air slot therewith, and since spoiler acts on, gas turbulence degree increases in air slot, to magnetic
Steel heat dissipation effect enhances.Enter motor front end cover through flabellum of overdriving by the gas of air slot, under the action of deflector into
Enter air guide channel inside motor front end cover, enters air guide channel inside electric machine casing therewith, at this time electric machine casing internal water channel pair
Flowing into air therein has certain cooling effect, reduces motor internal air temperature, and final gas is returned by back end cover for motor
Inside motor, closed circuit is formed, to reach the cooling purpose to motor internal temperature especially rotor and magnet steel.
Embodiment 2
This embodiment scheme and embodiment 1 are almost the same, and difference lies in as shown in figure 4, preceding driving flabellum 10-2 and rear driving are fanned
Leaf 10-1 is set as one with rotor press plate 7, and directly processing generates shape needed for driving flabellum on rotor press plate 7.
The present embodiment concrete operating principle is consistent with embodiment 1.
Embodiment 3
This embodiment scheme and embodiment 1 are almost the same, and difference lies in as shown in figure 5, the rotor 6 is equipped with axially
Rotor lightening hole 16, using the rotor lightening hole 16 as internal rotor air slot, and arrange inside lightening hole certain
The spoiler 13 of quantity.
The present embodiment concrete operating principle is consistent with embodiment 1.
Embodiment 4
This embodiment scheme and embodiment 1 are almost the same, and difference lies in as shown in fig. 6, the magnet steel 8 is positioned over rotor 6
Magnetic slot 12 in, the radial guiding in rotor 6 of the magnetic slot 12 is logical, and there are magnet steel peaces at 8 both ends of magnet steel for magnetic slot 12
Gap 17 is filled, magnet steel installation gap 17 is used as internal rotor air slot.
The present embodiment concrete operating principle is consistent with embodiment 1.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all main according to the present invention
The modification for wanting the Spirit Essence of technical solution to be done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of permanent-magnetic synchronous motor rotor air-cooled structure, the permanent magnet synchronous motor include electric machine casing, are set to motor casing
The electric motor end cap and the rotor inside electric machine casing at body both ends, the rotor center are fixed with machine shaft, electricity
It is fixed with equally distributed magnet steel on the outside of machine rotor, it is characterised in that：The air-cooled structure includes being installed on machine shaft
Flabellum, the rotor is driven to be equipped with axial air slot, the electric motor end cap and electric machine casing are internally provided with company
Logical air guide channel.
2. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 1, it is characterised in that：On the rotor
Air slot is uniformly distributed along rotor circumferencial direction, and each magnet steel edge is arranged with air slot, and air slot is close to magnet steel side
Edge is arranged in equal spacing with spoiler inside air slot.
3. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 2, it is characterised in that：The rotor both ends
It is respectively fixed with rotor press plate, the position of respective rotor air slot is evenly arranged respective vent on the rotor press plate.
4. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 1, it is characterised in that：The driving flabellum with
It is connected by keyway between machine shaft.
5. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 1, it is characterised in that：The driving flabellum number
Amount is 2, that is, preceding driving flabellum and rear driving flabellum, the wind direction of two driving flabellums for being located at two ends of rotor are consistent.
6. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 3, it is characterised in that：The driving flabellum with
Rotor press plate is set as one, and directly processing generates shape needed for driving flabellum on rotor press plate.
7. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 1, it is characterised in that：The air guide channel edge
Circumferencial direction is uniformly distributed in inside electric motor end cap and electric machine casing；And air guide channel is located at the outside of electric machine casing water channel,
And certain amount cooling fin is arranged inside air guide channel.
8. permanent-magnetic synchronous motor rotor air-cooled structure according to claim 7, it is characterised in that：The electric motor end cap air inlet
Side is provided with deflector.
9. permanent-magnetic synchronous motor rotor radiator structure according to claim 1, it is characterised in that：It is set on the rotor
There are axial rotor lightening hole, the rotor lightening hole to arrange a fixed number inside lightening hole as internal rotor air slot
The spoiler of amount.
10. permanent-magnetic synchronous motor rotor radiator structure according to claim 1, it is characterised in that：The magnet steel is positioned over
In the magnetic slot of rotor, magnetic slot radial guiding in rotor is logical, and there are magnet steel peaces at magnet steel both ends for magnetic slot
Gap is filled, the magnet steel installs gap as internal rotor air slot.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294723 | 2018-03-30 | ||
| CN2018102947235 | 2018-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108539889A true CN108539889A (en) | 2018-09-14 |
Family
ID=63475767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810409375.1A Pending CN108539889A (en) | 2018-03-30 | 2018-05-02 | A kind of permanent-magnetic synchronous motor rotor air-cooled structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108539889A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286277A (en) * | 2018-11-23 | 2019-01-29 | 宁波华表机械制造有限公司 | A kind of power drive motor |
| CN110460197A (en) * | 2019-08-27 | 2019-11-15 | 珠海格力电器股份有限公司 | Rotor baffle and motor |
| CN111969767A (en) * | 2020-07-13 | 2020-11-20 | 华中科技大学 | Motor cooling system and motor |
| WO2021114606A1 (en) * | 2019-12-12 | 2021-06-17 | 中车永济电机有限公司 | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure |
| CN115642743A (en) * | 2022-10-26 | 2023-01-24 | 扬州市华天电机有限公司 | Motor that heat dispersion is good |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764468A (en) * | 2010-03-04 | 2010-06-30 | 东元总合科技（杭州）有限公司 | Closed permanent magnet synchronous motor |
| CN101938183A (en) * | 2010-09-30 | 2011-01-05 | 南阳防爆集团股份有限公司 | Mining type flameproof submersible motor |
| CN202026203U (en) * | 2011-05-05 | 2011-11-02 | 株洲南车时代电气股份有限公司 | Permanent magnetic synchronized traction motor with air cooling structure |
| CN203261190U (en) * | 2013-05-09 | 2013-10-30 | 上海电气集团上海电机厂有限公司 | Heat radiation structure of superspeed PMSM |
| CN203674892U (en) * | 2014-01-24 | 2014-06-25 | 浙江大学 | Air cooling structure of permanent magnet synchronous traction motor |
| CN203734395U (en) * | 2014-01-20 | 2014-07-23 | 东方电气集团东方电机有限公司 | Novel stator ventilation-duct structure |
| CN105453387A (en) * | 2013-08-05 | 2016-03-30 | 三菱电机株式会社 | Permanent magnet embedded type rotating electric machine |
| CN105814779A (en) * | 2013-12-13 | 2016-07-27 | 三菱电机株式会社 | Embedded permanent magnet-type rotating electrical machine |
| CN107565726A (en) * | 2017-10-31 | 2018-01-09 | 电子科技大学中山学院 | Permanent magnet synchronous motor rotor structure for electric automobile |
| CN107681832A (en) * | 2017-10-24 | 2018-02-09 | 江门市地尔汉宇电器股份有限公司 | A kind of end plate is provided with the permanent magnet motor of impeller and the electric car using the motor |
-
2018
- 2018-05-02 CN CN201810409375.1A patent/CN108539889A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764468A (en) * | 2010-03-04 | 2010-06-30 | 东元总合科技（杭州）有限公司 | Closed permanent magnet synchronous motor |
| CN101938183A (en) * | 2010-09-30 | 2011-01-05 | 南阳防爆集团股份有限公司 | Mining type flameproof submersible motor |
| CN202026203U (en) * | 2011-05-05 | 2011-11-02 | 株洲南车时代电气股份有限公司 | Permanent magnetic synchronized traction motor with air cooling structure |
| CN203261190U (en) * | 2013-05-09 | 2013-10-30 | 上海电气集团上海电机厂有限公司 | Heat radiation structure of superspeed PMSM |
| CN105453387A (en) * | 2013-08-05 | 2016-03-30 | 三菱电机株式会社 | Permanent magnet embedded type rotating electric machine |
| CN105814779A (en) * | 2013-12-13 | 2016-07-27 | 三菱电机株式会社 | Embedded permanent magnet-type rotating electrical machine |
| CN203734395U (en) * | 2014-01-20 | 2014-07-23 | 东方电气集团东方电机有限公司 | Novel stator ventilation-duct structure |
| CN203674892U (en) * | 2014-01-24 | 2014-06-25 | 浙江大学 | Air cooling structure of permanent magnet synchronous traction motor |
| CN107681832A (en) * | 2017-10-24 | 2018-02-09 | 江门市地尔汉宇电器股份有限公司 | A kind of end plate is provided with the permanent magnet motor of impeller and the electric car using the motor |
| CN107565726A (en) * | 2017-10-31 | 2018-01-09 | 电子科技大学中山学院 | Permanent magnet synchronous motor rotor structure for electric automobile |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286277A (en) * | 2018-11-23 | 2019-01-29 | 宁波华表机械制造有限公司 | A kind of power drive motor |
| CN110460197A (en) * | 2019-08-27 | 2019-11-15 | 珠海格力电器股份有限公司 | Rotor baffle and motor |
| WO2021114606A1 (en) * | 2019-12-12 | 2021-06-17 | 中车永济电机有限公司 | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure |
| CN112994355A (en) * | 2019-12-12 | 2021-06-18 | 中车永济电机有限公司 | Air-water cooling high-power permanent magnet traction motor with hanging structure |
| CN111969767A (en) * | 2020-07-13 | 2020-11-20 | 华中科技大学 | Motor cooling system and motor |
| CN115642743A (en) * | 2022-10-26 | 2023-01-24 | 扬州市华天电机有限公司 | Motor that heat dispersion is good |
| CN115642743B (en) * | 2022-10-26 | 2023-09-15 | 扬州市华天电机有限公司 | Motor with good heat dissipation performance |
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Application publication date: 20180914 |