CN107681832A - A kind of end plate is provided with the permanent magnet motor of impeller and the electric car using the motor - Google Patents
A kind of end plate is provided with the permanent magnet motor of impeller and the electric car using the motor Download PDFInfo
- Publication number
- CN107681832A CN107681832A CN201711059844.3A CN201711059844A CN107681832A CN 107681832 A CN107681832 A CN 107681832A CN 201711059844 A CN201711059844 A CN 201711059844A CN 107681832 A CN107681832 A CN 107681832A
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- Prior art keywords
- rotor
- permanent magnet
- end plate
- impeller
- blade
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- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000013461 design Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary 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
- 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
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention provides the permanent magnet motor that a kind of end plate is provided with impeller, including axial both ends the casing covered with end cap, the rotating shaft of end cap is supported on through bearing, the stator of chassis cavity including stator core and the armature winding being wrapped in stator core is fixed on, is fixed on rotating shaft periphery and among the stator including rotor core and the rotor for being fixed on rotor core interior permanent magnets；The both ends of rotor core are arranged to compress the end plate of permanent magnet；Stator and rotor respectively have axial ventilation road, the through hole that end plate is provided with and ventilating duct communicates；The impeller for being rotated with rotor coaxial and different pressures being produced to the gas in the ventilating duct is respectively provided with the end plate of two ends of rotor.The motor of the technical program adds the impeller that different pressures are produced to the gas in ventilating duct in two ends of rotor, promote internal gas to be formed to circulate, by heat as gas is passed on casing, casing then distributes heat in a manner of air cooling or water cooling to outside, reaches the purpose for improving radiating and cooling.
Description
Technical field
The present invention relates to motor and electric automobiles.
Background technology
For vehicle as the vehicles, use environment is extremely complex, motor as the most important core component of electric automobile it
One, ponding section how is tackled in the process of moving and vehicle meets how water ensures performance and security afterwards, becomes ability
The important research topic of field technique personnel.The development trend of current vehicle electric motor most on the market is to reach national mark
It is accurate《The integrally-built degree of protection of GBT4942.1-2006 electric rotating motivations》In IP67 degree of protection, that is, require electronic
Machine inner chamber is nearly at full closeding state, and motor size also has strict limitation in addition.Motor runs at high speed for a long time
When, narrow and closing motor intracavity space makes gas be not easy to form interior circulation and cause heat accumulation to be difficult to outwards distribute,
Temperature of rotor is very high, and the permanent magnet of permasyn morot has the risk of irreversible demagnetization at high temperature, has had a strong impact on electricity
Motivation performance.Therefore cooling structure is rationally designed, reduces the temperature of rotor permanent magnet, motor durability is improved and seems especially heavy
Will.
Existing motor rotor cooling structure generally using open up local through hole even directly expand through hole area and
The design of quantity, come attempt increase area of dissipation, without from improve internal gas circulating rate come realize cooling in terms of
Work considers, what heat dissipation can not meet that each electric automobile manufacturer and consumer increasingly improve to motor performance and quality will
Ask.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of end plate be provided with impeller permanent magnet motor,
The radiating effect of rotor core and permanent magnet can be effectively improved, improves motor durability, and it is simple in construction, it is easy to real
Existing, reliability is high.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of end plate is provided with the permanent magnet motor of impeller, including：Casing, the chassis axial both ends are covered with end cap；Turn
Axle, it is supported on end cap through bearing；Stator, it is fixed on chassis cavity, and the stator includes stator core and is wrapped in stator
Armature winding in iron core；Rotor, it is fixed on rotating shaft periphery and among stator, and the rotor is including rotor core and admittedly
Permanent magnet inside rotor core；End plate, it is arranged at the both ends of rotor core to compress permanent magnet；The stator and turn
Son respectively has axial ventilation road, the through hole that the end plate is provided with and ventilating duct communicates；It is respectively provided with the end plate of the two ends of rotor
Rotated with rotor coaxial and the impeller of different pressures is produced to the gas in the ventilating duct.The permanent magnet motor of the technical program
The impeller rotated together with rotor is added in two ends of rotor, draught head is produced at motor both ends and promotes the gas formation of inside to follow
Circulation is moved, and driving gas is axially moved along motor, forms axial flow, by motor interior part when flowing through stator air vent
Heat is passed on casing with gas, and casing then distributes heat in a manner of air cooling or water cooling to outside, reaches improvement radiating drop
The purpose of temperature.
As the improvement of above-mentioned technical proposal, the impeller is that the axially extending blade of the end plate is formed, and the blade
There is different axially extended length in two ends of rotor.As the motor rotates, stirred by the different blade of axially extended length
Take offence body, inconsistent pressurization dynamics is produced to gas and produces draught head at motor both ends, promote internal gas to accelerate to follow
Circulation moves, the gas flow rate of the internal rotor axial ventilating duct that especially circulates of lifting come reduce rotor permanent magnet temperature and then
Realize the purpose of motor integral heat sink cooling.
As the further improvement of above-mentioned technical proposal, the blade axial direction extension elongation of the rotor wherein one end is H, separately
The blade axial direction extension elongation of one end is h, and h≤1/2H.The length difference can make motor both ends have appropriate draught head
Accelerate to circulate so as to be advantageous to internal gas.
Further improve, the blade protrudes from the end of armature winding.Blade agitation is so enabled to be revolved in impeller
The air around winding overhang is stirred when turning, end is cooled down, and gas more successfully bypasses armature winding, takes away its heat
And distributed by the axial ventilation road on end cap and stator to outside casing.
Further improve, the impeller is that the axially extending blade of the end plate is formed, and the blade has in two ends of rotor
There is different radical lengths.As the motor rotates, gas is stirred by the different blade of radical length, gas is produced and differed
The pressurization dynamics of cause and produce draught head at motor both ends, promote internal gas to accelerate to circulate, lifting is internal especially
Circulate rotor axial ventilating duct gas flow rate come reduce rotor permanent magnet temperature so that realize motor integral heat sink drop
The purpose of temperature.
Further improve, the radical length of the blade：Cylindrical radius length=1/4~1/2 of end plate.
Further improve, the impeller is that the axially extending blade of the end plate is formed, and the blade has in two ends of rotor
There is different shapes.
Further improve, the end plate of the rotor wherein one end is provided with centrifugal or aial flow impeller, the end of the other end
Impeller on plate is formed for the axially extending blade of end plate.
Further improve, the cover internal is provided with cooling water channel.
Further improve, the blade is straight panel shape, and the angle between blade and the cylindrical radius of end plate is 0 °~60 °.
Further improve, the blade is curved vortex centrifugal blade.
Further improve, the blade and end plate are integral type structure, simple in construction, good reliability.
The present invention also provides a kind of electric car using above-mentioned permanent magnet motor.
Brief description of the drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and a part for constitution instruction, and following specific
Embodiment is used to explain the present invention together, but should not be construed as limiting the invention.
Fig. 1 is the axial sectional diagrammatical view illustration of the permanent magnet motor of the embodiment of the present invention 1；
Fig. 2 is the cross-sectional view of the permanent magnet motor of the embodiment of the present invention 1；
Fig. 3 is the schematic perspective view of the front end-plate of the embodiment of the present invention 1；
Fig. 4 is the schematic perspective view of the end plate of the embodiment of the present invention 1；
Fig. 5 is the axial sectional diagrammatical view illustration of the permanent magnet motor of the embodiment of the present invention 2；
Fig. 6 is the schematic perspective view of the front end-plate of the embodiment of the present invention 2；
Fig. 7 is the schematic perspective view of the end plate of the embodiment of the present invention 2；
Fig. 8 is the axial sectional diagrammatical view illustration of the permanent magnet motor of the embodiment of the present invention 3；
Fig. 9 is the axial sectional diagrammatical view illustration of the permanent magnet motor of the embodiment of the present invention 4；
Figure 10 is the axial sectional diagrammatical view illustration of the permanent magnet motor of the embodiment of the present invention 5；
Figure 11 is the sectional view of the line A-A along Figure 10.
Embodiment
Fig. 1, Fig. 2 show the permanent magnet motor of the embodiment of the present invention 1, and it includes：Casing 1, it sets in interlayer and circulated
Water stream channel 10, and water circulation system outside machine is communicated to by pipe joint (not shown) and implements water cooling；The axial direction two of casing 1
End surrounds the inner chamber of closing covered with end cap 2, and casing 1；The rotating shaft 3 at the middle part of casing 1 is arranged at, it is supported on end cap through bearing
2；The stator 5 of the inner chamber of casing 1 is fixed on, the stator 5 includes stator core and the armature winding 8 being wrapped in stator core,
The end of armature winding 8 protrudes from stator 5, and a plurality of axial stator ventilation is formed between stator core outer cylinder and the inner cylinder of casing 1
Road 51；Rotor 7, it is fixed on the periphery of rotating shaft 3 and among stator 5, and rotor 7 is by the cylinder of polylith silicon steel sheet stack addition one
Shape, its cross section are periphery, core be axially through the axis hole for being used to house rotating shaft 3；Axis hole and periphery edge
Between rotor core part be provided with it is multiple penetrate vertically be used for place the magnet steel grooves of permanent magnet 72, the He of permanent magnet 72
Magnet steel groove is circumferentially arranged on rotor core cross section centered on rotating shaft；Rotor core between permanent magnet 72 and rotating shaft 3
Part opens up multiple rotor ventilation roads 71 penetrated vertically, and its cross section is substantially pentagonal, and rotor ventilation road 71 is also turning
It is circumferentially arranged on sub- iron core cross section centered on rotating shaft；The both ends of rotor core are respectively provided with to rotate with rotor coaxial, for pressing
The end plate of tight permanent magnet 72, including the front end-plate 40 close to shaft extension end of motor and the end plate 41 close to the motor other end,
Front end-plate 40, end plate 41 are designed with the through hole communicated with rotor ventilation road 71.
Fig. 3, Fig. 4 are the schematic perspective views of front end-plate, end plate.The middle part of front end-plate 40 is provided with the axle passed through for rotating shaft 3
Hole 402, through hole 403 are circumferentially arranged centered on axis hole 402, and size, shape and quantity and rotor ventilation road 71 are basically identical.
The evenly spaced straight panel shape blade 401 of the axially extending polylith of header portion between every two through holes 403, similarly, rear end
The middle part of plate 41 is provided with the axis hole 412 passed through for rotating shaft, and through hole 413 and blade 411 are placed with centered on axis hole 412.Front end
Plate 40, end plate 41 and blade 401,411 form stirring-type impeller in two ends of rotor.The blade 401 of front end-plate 40 is axially extended
Length is H, and the 411 axially extended length of blade of end plate 41 is h, and h≤1/2H.The blade axial direction extension elongation of front end-plate 40
It is bigger than end plate 41, it is also bigger to air quantity caused by the gas in ventilating duct and pressure, so as to be formed at motor both ends
Draught head.The axially extended length H of blade 401 of front end-plate 40 is more than the length that armature end-connections protrude, the radial direction length of blade
Degree：Cylindrical radius length=1/4~1/2 of end plate.
It should be noted that blade can have different shapes in two ends of rotor, as front end-plate uses rectangular paddle, after
End plate uses sector, as long as these blade designs are that different rated pressures is produced in two ends of rotor.
The operation principle and process of the present embodiment 1 are introduced in detail below：
In motor running, end plate is rotated at a high speed with rotating shaft 3, and front and back ends board shaft is stirred to the different blade of extension elongation
Take offence body, inconsistent pressurization dynamics is produced to gas and produces draught head at motor both ends, gas is before pressure is larger
End plate 40 (shaft extension end of motor) bypasses armature winding 8, passes through the axial ventilation between the inner cylinder of casing 1 and stator core outer cylinder
It is end plate 41 that road 51, which reaches the motor interior other end, while air-flow can be cooled down by the cooling water channel inside casing 1；Gas flows to
Accumulation forms elevated pressures after up to end plate 41, and returns to front end-plate 40 by rotor ventilation road 71 under the agitation of end plate 411
Place.And so on, so as to forming the air-cooled passage of inner loop.The present embodiment stirs gas by the different blade of axial length
Body, inconsistent pressurization dynamics is produced to gas and produces draught head at motor both ends, promote internal gas to accelerate recycle stream
Dynamic, the gas flow rate of the internal rotor axial ventilating duct that especially circulates of lifting reduces rotor permanent magnet temperature and then realization
The purpose of motor integral heat sink cooling.
The motor of the embodiment of the present invention 2 and forward and backward end plate are as shown in Fig. 5, Fig. 6, Fig. 7, its difference master with embodiment 1
If the blade of two ends of rotor has different radical lengths, the radical length of blade 401 of front end-plate 40 is D, end plate 41
The radical length of blade 411 is d, and D ＞ d.The blade radial length of front end-plate 40 is longer than end plate 41, to wind caused by gas
Amount and pressure are also bigger, so as to form draught head at motor both ends.
In addition, stirring-type impeller outer or other centrifugal or axle of the impeller of two ends of rotor except above-described embodiment
The impeller of streaming, as long as these Impeller Designs are to be met in the different rated pressure of two ends of rotor generation and import to rotor ventilation road
71.
The embodiment 3 of reference picture 8, the difference of itself and embodiment 1 are mainly that the stirring-type impeller of front end-plate 40 changes into can
Produce the aial flow impeller 42 of greater pressure.The import of aial flow impeller 42, which is met to rotor ventilation road 71, outlet, leads in casing 1
The opening of the left end of axial ventilation road 51 between cylinder and stator core outer cylinder.
The embodiment 4 of reference picture 9, the difference of itself and embodiment 1 are mainly that the stirring-type impeller of front end-plate 40 changes into can
Produce the receded disk impeller 43 of greater pressure.The import of receded disk impeller 43, which is met to rotor ventilation road 71, outlet, leads in casing 1
The opening of the left end of axial ventilation road 51 between cylinder and stator core outer cylinder.
Reference picture 10, Figure 11 embodiment 5, the difference of itself and embodiment 1 is mainly in drive end bearing bracket 21, the interlayer of rear end cap 22
Annular cooling water road 212,222 is set, and water circulation system outside machine is communicated to by pipe joint (not shown) and implements water cooling.
In drive end bearing bracket 21, cooling water flows into from water inlet 210, is flowed out after flowing through cooling water channel 212 from delivery port 211；In rear end cap
In 22, cooling water flows into from water inlet 220, is flowed out after flowing through cooling water channel 222 from delivery port 221.In motor operation course
In, in two end plates under the agitation of impeller, it will can be taken away in the heat transfer of motor interior to casing by water cooling, can also
So that the heat in motor is delivered to end cap with gas, then end cap cooling water takes heat outside motor to, so enters
One step strengthens the cooling to motor interior, preferably prevents permanent magnet on rotor irreversible demagnetization occur, reaches to electricity
Pivot winding or even whole motor accelerate the purpose of radiating and cooling.
Above is the description of this invention and it is non-limiting, without departing from the thought of the invention, to each of the present invention
The different embodiments of kind are combined, and should be considered as present disclosure；In the range of the technology design of the present invention,
Any group of the thought without prejudice to the invention of a variety of simple deformations and the progress of different embodiments is carried out to technical scheme
Close, all should be within protection scope of the present invention.
Claims (13)
1. a kind of end plate is provided with the permanent magnet motor of impeller, including：
Casing, the chassis axial both ends are covered with end cap；
Rotating shaft, it is supported on end cap through bearing；
Stator, it is fixed on chassis cavity, and the stator includes stator core and the armature winding being wrapped in stator core；
Rotor, it is fixed on rotating shaft periphery and among stator, and the rotor includes rotor core and is fixed on rotor core
Internal permanent magnet；
End plate, it is arranged at the both ends of rotor core to compress permanent magnet；
It is characterized in that：The stator and rotor respectively have axial ventilation road, the through hole that the end plate is provided with and ventilating duct communicates；
It is respectively provided with the end plate of the two ends of rotor and is rotated with rotor coaxial and different pressures are produced to the gas in the ventilating duct
Impeller.
2. permanent magnet motor according to claim 1, it is characterised in that：The impeller is the axially extending leaf of the end plate
Piece is formed, and the blade has different axially extended length in two ends of rotor.
3. permanent magnet motor according to claim 2, it is characterised in that：The blade of the rotor wherein one end is axially extended
Length is H, and the blade axial direction extension elongation of the other end is h, and h≤1/2H.
4. permanent magnet motor according to claim 2, it is characterised in that：The blade protrudes from the end of armature winding.
5. permanent magnet motor according to claim 1, it is characterised in that：The impeller is the axially extending leaf of the end plate
Piece is formed, and the blade has different radical lengths in two ends of rotor.
6. permanent magnet motor according to claim 5, it is characterised in that：The radical length of the blade：End plate is cylindrical
Radius length=1/4~1/2.
7. permanent magnet motor according to claim 1, it is characterised in that：The impeller is the axially extending leaf of the end plate
Piece is formed, and the blade has different shapes in two ends of rotor.
8. permanent magnet motor according to claim 1, it is characterised in that：The end plate of the rotor wherein one end be provided with from
Core type or aial flow impeller, the impeller on the end plate of the other end are formed for the axially extending blade of end plate.
9. according to the permanent magnet motor described in any one of claim 2~8, it is characterised in that：The cover internal is provided with cooling
Water channel.
10. according to the permanent magnet motor described in any one of claim 2~8, it is characterised in that：The blade is straight panel shape, leaf
Angle between piece and the cylindrical radius of end plate is 0 °~60 °.
11. according to the permanent magnet motor described in any one of claim 2~8, it is characterised in that：The blade is vortexed for curved
Centrifuge blade.
12. according to the permanent magnet motor described in any one of claim 1~8, it is characterised in that：The impeller and end plate are integrated
Formula structure.
A kind of 13. electric car, it is characterised in that：It uses the permanent magnet motor as described in any one of claim 1~12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017110038117 | 2017-10-24 | ||
| CN201711003811 | 2017-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107681832A true CN107681832A (en) | 2018-02-09 |
Family
ID=61143890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711059844.3A Pending CN107681832A (en) | 2017-10-24 | 2017-11-01 | A kind of end plate is provided with the permanent magnet motor of impeller and the electric car using the motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681832A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539889A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力***有限公司 | A kind of permanent-magnetic synchronous motor rotor air-cooled structure |
| CN108539888A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力***有限公司 | A kind of permanent-magnetic synchronous motor rotor radiator structure |
| CN108649748A (en) * | 2018-04-29 | 2018-10-12 | 天津大学 | Circulation cooling mechanism in a kind of totally-enclosed machine |
| CN108711964A (en) * | 2018-06-13 | 2018-10-26 | 哈尔滨理工大学 | A kind of permanent magnet motor with built-in multistage fan formula two-way self-loopa ventilation cooling system |
| CN110518722A (en) * | 2019-07-17 | 2019-11-29 | 南京师范大学 | A kind of combined high-speed magneto cooling device |
| CN110729834A (en) * | 2019-11-15 | 2020-01-24 | 合肥巨一动力***有限公司 | Air-cooled rotor structure of permanent magnet synchronous motor |
| CN111740521A (en) * | 2019-03-25 | 2020-10-02 | 东元电机股份有限公司 | Motor rotor frame |
| CN111884426A (en) * | 2020-08-25 | 2020-11-03 | 上海电机***节能工程技术研究中心有限公司 | Motor rotor heat abstractor and motor |
| DE102019213441A1 (en) * | 2019-09-04 | 2021-03-04 | Robert Bosch Gmbh | Electric motor with a cooling function |
| CN112467899A (en) * | 2020-11-17 | 2021-03-09 | 青岛中加特电气股份有限公司 | Motor, frequency conversion all-in-one and well cementation device |
| IT202000002266A1 (en) * | 2020-02-05 | 2021-08-05 | Ferrari Spa | ROTATING ELECTRIC MACHINE WITH LIGHTENED ROTOR |
| CN113890234A (en) * | 2021-10-11 | 2022-01-04 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
| CN113937945A (en) * | 2021-10-22 | 2022-01-14 | 中车株洲电机有限公司 | Permanent magnet motor for cooling bearing and electric locomotive |
Citations (5)
| 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 |
| JP2011211862A (en) * | 2010-03-30 | 2011-10-20 | Fuji Electric Co Ltd | Sealed rotary electric machine |
| CN102315725A (en) * | 2010-06-29 | 2012-01-11 | 江苏远东电机制造有限公司 | Electromotor internally provided with asymmetrical air supply structure |
| WO2012080566A1 (en) * | 2010-12-15 | 2012-06-21 | The Switch Drive Systems Oy | An electrical machine |
| CN211266684U (en) * | 2017-10-24 | 2020-08-14 | 汉宇集团股份有限公司 | Permanent magnet motor with impeller arranged on end plate and electric vehicle using same |
-
2017
- 2017-11-01 CN CN201711059844.3A patent/CN107681832A/en active Pending
Patent Citations (5)
| 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 |
| JP2011211862A (en) * | 2010-03-30 | 2011-10-20 | Fuji Electric Co Ltd | Sealed rotary electric machine |
| CN102315725A (en) * | 2010-06-29 | 2012-01-11 | 江苏远东电机制造有限公司 | Electromotor internally provided with asymmetrical air supply structure |
| WO2012080566A1 (en) * | 2010-12-15 | 2012-06-21 | The Switch Drive Systems Oy | An electrical machine |
| CN211266684U (en) * | 2017-10-24 | 2020-08-14 | 汉宇集团股份有限公司 | Permanent magnet motor with impeller arranged on end plate and electric vehicle using same |
Non-Patent Citations (1)
| Title |
|---|
| 吴植民: "《汽车构造（上册）第二版》", 31 August 1989, pages: 300 - 301 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539889A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力***有限公司 | A kind of permanent-magnetic synchronous motor rotor air-cooled structure |
| CN108539888A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力***有限公司 | A kind of permanent-magnetic synchronous motor rotor radiator structure |
| CN108649748A (en) * | 2018-04-29 | 2018-10-12 | 天津大学 | Circulation cooling mechanism in a kind of totally-enclosed machine |
| CN108711964A (en) * | 2018-06-13 | 2018-10-26 | 哈尔滨理工大学 | A kind of permanent magnet motor with built-in multistage fan formula two-way self-loopa ventilation cooling system |
| CN111740521A (en) * | 2019-03-25 | 2020-10-02 | 东元电机股份有限公司 | Motor rotor frame |
| CN110518722A (en) * | 2019-07-17 | 2019-11-29 | 南京师范大学 | A kind of combined high-speed magneto cooling device |
| DE102019213441A1 (en) * | 2019-09-04 | 2021-03-04 | Robert Bosch Gmbh | Electric motor with a cooling function |
| CN110729834A (en) * | 2019-11-15 | 2020-01-24 | 合肥巨一动力***有限公司 | Air-cooled rotor structure of permanent magnet synchronous motor |
| IT202000002266A1 (en) * | 2020-02-05 | 2021-08-05 | Ferrari Spa | ROTATING ELECTRIC MACHINE WITH LIGHTENED ROTOR |
| US11658528B2 (en) | 2020-02-05 | 2023-05-23 | Ferrari S.P.A. | Rotary electric machine with lightened rotor |
| CN111884426A (en) * | 2020-08-25 | 2020-11-03 | 上海电机***节能工程技术研究中心有限公司 | Motor rotor heat abstractor and motor |
| CN112467899A (en) * | 2020-11-17 | 2021-03-09 | 青岛中加特电气股份有限公司 | Motor, frequency conversion all-in-one and well cementation device |
| CN113890234A (en) * | 2021-10-11 | 2022-01-04 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
| CN113890234B (en) * | 2021-10-11 | 2023-01-31 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
| CN113937945A (en) * | 2021-10-22 | 2022-01-14 | 中车株洲电机有限公司 | Permanent magnet motor for cooling bearing and electric locomotive |
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Address after: 529040 No. 336 Qinglan Road, Jiangmen High-tech Development Zone, Guangdong Province Applicant after: Hanyu Group Co., Ltd. Address before: 529040 No. 336 Qinglan Road, Jiangmen High-tech Development Zone, Guangdong Province Applicant before: Jiangmen Idear-hanyu Electrical Joint-stock Co., Ltd. |