CN108258852A - Evaporation cooling Fast Cooling magneto in a kind of armature spindle - Google Patents
Evaporation cooling Fast Cooling magneto in a kind of armature spindle Download PDFInfo
- Publication number
- CN108258852A CN108258852A CN201810096343.0A CN201810096343A CN108258852A CN 108258852 A CN108258852 A CN 108258852A CN 201810096343 A CN201810096343 A CN 201810096343A CN 108258852 A CN108258852 A CN 108258852A
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- Prior art keywords
- rotor
- cooling
- stator
- armature spindle
- magneto
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
-
- 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
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention belongs to technical field of motors, and disclose evaporation cooling Fast Cooling magneto in a kind of armature spindle.The outside of casing is provided with coolant jacket, offered in stator slot interior ventilating duct formed it is air-cooled；Hollow-core construction is opened up at rotor core and spindle central, the sealing heat conducting pipe of embedded high heat conduction characteristic, form evaporation cooling duct, offer implementation of port and liquid outlet at the channel of shaft both ends, in the rotor between cooling duct in be filled with the liquid of water and alcohol, rotor core temperature height forms high temperature evaporation area, shaft both ends temperature is low, low temperature cold coagulation zone is formed, rotor heat is taken away using liquid phase-change, is recycled using low temperature condensing gases.By being cooled down outside casing, in stator slot the cooling scheme that cooling is combined is evaporated in cooling and armature spindle, can effectively solve the problem of that high-speed permanent magnet motor is small, heat dissipation is difficult, rotor temperature liter part is excessively high can effectively avoid permanent magnet in the easy loss of excitation of high temperature.
Description
Technical field
The invention belongs to technical field of motors, more particularly, to evaporation cooling Fast Cooling permanent magnetism in a kind of armature spindle
Motor.
Background technology
For high-speed electric expreess locomotive due to rotating speed height, power density is big, small, can effectively save material；Due to rotary inertia
It is smaller, so dynamic response is very fast；High-speed electric expreess locomotive can be connected directly with working machine or load, eliminate traditional mechanical speed change dress
It puts, thus noise can be reduced and improve the efficiency of transmission system.The research of high-speed electric expreess locomotive meets the economy of energy-saving and emission-reduction with application
Development need has become one of the research hotspot in International Power field at present, in high speed grinding machine, air circulation refrigeration system, storage
Energy flywheel, high speed centrifugation compressor, air blower, aerospace etc. are with a wide range of applications.
Magneto with its is simple in structure, power energy density is high, without excitation loss, it is efficient the advantages that, be best suited at a high speed
Motor.High-speed high frequency motor design difficulty compared with common electric machine is larger, and high-speed electric expreess locomotive rotating speed is up to tens thousand of turns per minute even
Ten tens of thousands of turns, peripheral speed up to more than 200m/s, motor under the circumference of the high-speed rotation, the friction meeting of air and rotor surface
Very big loss is brought to motor, the eddy-current loss of rotor permanent magnet also can be very big, while for high-speed permanent magnet motor, stator
Core loss and winding loss are all up to thousands of watts of even upper myriawatts, cause motor temperature rise excessively high, in particular for rotor, due to
During high speed rotation, permanent magnet cannot bear huge centrifugal force, it is necessary to take safeguard measure, common safeguard measure is permanent magnet
Outer embedded alloy sleeve ties up carbon fiber sheath, and alloy sleeve can generate very big whirlpool since conductivity is larger in sheath
Stream loss, although carbon fiber sheath conductivity is very low, can to avoid larger rotor eddy current loss, but carbon fiber sheath is hot
Non-conductor, thermal conduction characteristic is very poor, and rotor heat is difficult to shed, and for high-speed electric expreess locomotive, and rotor volume very little particularly turns
Son is added in after protective case, brings very big difficulty to the heat dissipation of rotor, permanent magnet can occur in the case where temperature is excessively high
Irreversible demagnetization causes to seriously endanger to motor, therefore the heat dissipation of motor is as one of key problem of design of electrical motor.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides evaporation cooling high speeds in a kind of armature spindle
Magneto is cooled down, by shaft and the centrally disposed heat conducting pipe of rotor core, while setting is axial between rotor and stator
Interior air duct and the mode that coolant jacket is set on casing, thus solve Large-power High-Speed magneto, due to rotor loss
Greatly, small, loss density is big, heat is difficult to shed, temperature rises skill that is excessively high and seriously affecting motor reliability and service life
Art problem.
To achieve the above object, it is proposed, according to the invention, evaporation cooling Fast Cooling magneto in a kind of armature spindle is provided,
The magneto includes casing, the stator being arranged in casing and rotor and the end cap for being arranged on casing both ends, and feature exists
In the rotor includes shaft, rotor core, permanent magnet and protective case, and rotor core is sleeved in shaft, and permanent magnet is attached to rotor
The outer round surface of iron core, protective case are sleeved on to be provided on permanent magnet periphery, the central axis of the shaft and rotor core and lead
Heat pipe, the heat conducting pipe are in enclosed construction, are divided into both ends part and middle section, the tapered body shape in both ends part and are arranged on shaft
In, middle section is cylindrical and through entire rotor core, and the basal diameter of the cone is less than the bottom of the cylinder
Face diameter, the side of cone and the side of cylinder form ladder, wherein, the side of cone is higher than the side of cylinder,
Heat conducting pipe implementation of port and heat conducting pipe liquid outlet are further opened on the both ends part of the heat conducting pipe, respectively with being arranged in the shaft
Implementation of port connected with liquid outlet, for being filled with cooling liquid into the heat conducting pipe.
It is further preferred that the heat conducting pipe, preferably using copper pipe or aluminum pipe, middle section is used with the rotor core
Interference fit, both ends part are coordinated with the shaft using transition.
It is further preferred that the cooling liquid being filled in the heat conducting pipe is the mixing liquid of the water, alcohol or the two.
It is further preferred that the stator includes stator core, stator winding and stator pressing plate, stator winding is arranged on fixed
On sub- iron core, stator pressing plate is arranged on the both ends of stator core, is arranged in stator core, and stator pressing plate is arranged on stator core
Both ends.
It is further preferred that the outside of the casing is provided with coolant jacket, the coolant jacket using helical form, straight trough S shapes or
Axial straight trough channel, cooling liquid is passed through in the coolant jacket or air is cooled down, wherein, cooling liquid is preferably water or wine
Essence.
It is further preferred that the inside air duct of axis is provided between the stator winding and the rotor periphery, in the machine
Air inlet and air outlet are provided on shell.
It is further preferred that the rotor protection set preferably uses alloy sleeve or carbon fiber sheath.
It is further preferred that the heat conducting pipe preferably uses the material of high heat conduction characteristic, such as copper pipe or aluminum pipe.
In general, by the above technical scheme conceived by the present invention compared with prior art, it can obtain down and show
Beneficial effect：
1st, evaporation cools down high-speed permanent magnet motor cooling system using wind in casing cooling, stator slot in armature spindle of the invention
The type of cooling that cold, rotor hollow shaft evaporation cooling is combined, realization are worked on the three areas simultaneously, and quickly and effectively reduce motor work temperature
Degree, the cooling system of this design use the type of cooling that multiplexer channel is combined, and the outer cooling structure of casing can give motor stator
Stator core heat is taken away in heat dissipation, and axial cooling air channel can not only give electric machine stator winding heat dissipation, but also can take away motor in slot
Rotor portion radiates, but since rotor heat is big, small, and heat dissipation is difficult, only takes away rotor heat by axial ducts in slot
Ability is limited, limited to rotor heat dissipation effect, and be easy to cause the problem of medium temperature is locally excessively high, and the present invention is by rotor
In open up evaporation cooling duct, axially cooling with reference to the common heat dissipation of evaporation cooling of internal rotor, can effectively reduce in slot
Temperature of rotor plays good heat dissipation effect, not only solves big Large-power High-Speed loss of electric machine density, heat dissipation difficulty, Yi Fa
The problem of life local temperature rise is excessively high, and temperature of rotor can be made more uniform, rotor is avoided larger temperature gradient occur, is prevented forever
Magnet irreversible demagnetization caused by temperature is excessively high, the phenomenon that motor is caused to be unable to operate normally, the high-power height greatly improved
The safe operating life of speed motor.
2nd, the present invention forms the heat conducting pipe of ladder by using both ends part and middle section, and coolant is filled in heat conducting pipe
The mode of body, the temperature at rotor core is higher, and temperature is relatively low at shaft, and cooling liquid is in evaporation reduces and takes away rotor core
Heat and reduce its temperature, the cooling liquid after evaporation is towards both ends componental movement, after the precooling condensation of both ends part, due to rank
Terraced structure is back to heat conducting pipe middle section, so as to carry out circulating and evaporating heat dissipation.
Description of the drawings
Fig. 1 is the whole of transpiration-cooled high-speed permanent magnet motor in armature spindle constructed by preferred embodiment according to the invention
Body structure diagram；
Fig. 2 is the rotor structure schematic diagram constructed by preferred embodiment according to the invention；
Fig. 3 is the rotor heat conducting pipe structure diagram constructed by preferred embodiment according to the invention；
Fig. 4 is the stator cage helical channel structure schematic diagram constructed by preferred embodiment according to the invention；
Fig. 5 is the stator cage S type channel design schematic diagrames constructed by preferred embodiment according to the invention；
Fig. 6 is the stator cage axial passage structure diagram constructed by preferred embodiment according to the invention.
In all the appended drawings, identical reference numeral is used for representing identical element or structure, wherein：
1. air inlet, 2. cooling shells, 3. stator pressing plates, 4. stator cores, 5. stator winding, 6. casing coolant jackets, 7.
The inside air duct of axis, 8. protective cases, 9. rotor cores, 10. permanent magnets, 11. winding overhangs, 12. air outlets, 13. motor cases,
14. implementation of port, 15. electric motor end caps, 16. bearings, 17. coolants, 18. liquid outlets, the interior evaporation cooling duct of 19. armature spindles, 20.
Shaft, 21. heat conducting pipes, 22. high temperature evaporation areas, 23. implementation of port low temperature cold coagulation zones, 24. liquid outlet low temperature cold coagulation zones, 25. heat conduction
Pipe liquid outlet, 26. heat conducting pipe implementation of port.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
Fig. 1 is the whole of transpiration-cooled high-speed permanent magnet motor in armature spindle constructed by preferred embodiment according to the invention
Body structure diagram, Fig. 2 are the rotor structure schematic diagrames constructed by preferred embodiment according to the invention, as illustrated in fig. 1 and 2,
Transpiration-cooled high-speed permanent magnet motor in a kind of armature spindle, using in casing coolant jacket 6, the inside air duct 7 of slot inner shaft and armature spindle
The cooling structure that evaporation cooling duct 19 is combined, motor case 13 and the stator and rotor that are arranged in casing 13, casing 13
Be provided at both ends with end cap 15, stator includes stator core 4, stator winding 5 and stator pressing plate 3, and external in casing 13 is set
There are coolant jacket 6 and cooling shell 2, the inside air duct 7 of axis is provided in stator winding 5, ventilation is provided at both ends on casing 13
The air inlet 1 in road and air outlet 12, rotor include shaft 20, rotor core 9, permanent magnet 10 and protective case 8, shaft 20 and turn
Sub- iron core 9 is hollow-core construction.
Fig. 4 is the stator cage helical channel structure schematic diagram constructed by preferred embodiment according to the invention, Fig. 5 be by
According to the stator cage S type channel design schematic diagrames constructed by the preferred embodiment of the present invention, Fig. 6 is preferred reality according to the invention
The stator cage axial passage structure diagram constructed by example is applied, shown in such as Fig. 4,5 and 6, the outer coolant jacket 6 of casing can be spiral
Shape, straight trough S shapes and axial passage can lead to 17 water of cooled liquid or alcohol in channel, air cooling can also be used.Stator winding
The inside air duct 7 of axis is provided between 5 and rotor periphery, is air cooling in the inside air duct of axis, sky is provided at both ends in casing 13
Gas air inlet 1 and air outlet 12.
Shaft 20 and rotor core 9 are hollow-core construction, and heat conducting pipe 21 is set in the hollow-core construction, and evaporation is cold in composition armature spindle
But channel 19.Rotor protection set 8 be alloy sleeve or carbon fiber sheath, 20 hollow-core construction of shaft with it is hollow at rotor core 9
Structure formed it is stepped, at the rotor hollow-core construction in set heat conducting pipe 21, evaporation cooling duct 19 in composition armature spindle, the heat conduction
Pipe is in enclosed construction, and after implementation of port 26 is filled with cooling liquid, the heat conduction duct occlusion, heat conducting pipe is divided into both ends part and middle part
Point, it the tapered body shape in both ends part and is arranged in shaft, middle section is cylindrical and through entire rotor core, cone
Basal diameter be less than the basal diameter of the cylinder, the side of the side of cone and cylinder forms ladder, in shaft
20 hollow-core constructions are provided at both ends with liquid outlet 18 and implementation of port 14.Fig. 3 is turned constructed by preferred embodiment according to the invention
Sub- heat conducting pipe structure diagram, as shown in figure 3, setting copper pipe of the heat conducting pipe 21 as high heat conduction characteristic in shaft 20 and rotor core 9
Or aluminum pipe, heat conducting pipe 21 is identical with rotor hollow-core construction, and 21 radius of heat conducting pipe is big at rotor core 9, the heat conducting pipe at shaft 20
21 radiuses are gradually reduced, 21 being integrated enclosed construction of heat conducting pipe, and 21 both ends of heat conducting pipe offer heat conducting pipe implementation of port 26 and lead
Heat pipe liquid outlet 25.Heat conducting pipe 21 is inserted into rotor core 9, and heat conducting pipe 21 is with rotor core 9 using interference fit, heat conducting pipe 21
Coordinated with shaft 20 using transition.Shaft 20 is provided at both ends with implementation of port 14 and liquid outlet 18, and implementation of port and can go out each other
Liquid mouth, implementation of port 14 and liquid outlet 18 go out liquid with heat conducting pipe implementation of port 26 and heat conducting pipe respectively by setting pipeline in shaft 20
Mouth 25 is connected.By the implementation of port 14 in shaft, coolant is filled in the stair-stepping filling liquid slot of heat conducting pipe of rotor core
17, coolant 17 can be water and alcohol or the two mixing liquid.
The high-speed permanent magnet motor cooling system of the present invention is using casing coolant jacket 6, the inside air duct 7 of stator slot inner shaft, rotor
The type of cooling that evaporation cooling duct 19 is combined in axis, casing cooling 6 can be used helical duct, straight trough S types channel, axially lead to
Road, cooling medium can be water or air.Axial air cooling system is opened between rotor, in the inside air duct 7 of stator slot inner shaft,
Cold wind is flowed into from the air inlet 1 of casing side, and by winding overhang 11, the inside air duct 7 of axis after taking away rotor heat, is passed through
The winding overhang 11 of 5 other end of stator winding is flowed out from the air outlet 12 of 13 other end of casing；Sealing hollow shaft is opened up on rotor
Structure, adds in sealing heat conducting pipe 21 in hollow shaft, and heat conducting pipe 21, into interference fit, was at shaft 20 with rotor core 9
Cooperation is crossed, the mixing liquid of water and alcohol is filled in the stepped filling liquid slot of rotor core 9, since the loss of electric machine is mainly concentrated
In rotor core, the temperature at rotor core 9 is higher, and temperature is relatively low at shaft 20, and high temperature evaporation is formed at rotor core 9
Area 22, takes away rotor heat, and low temperature solidification zone 23 and 24, condensed fluid, due to two sections of portions of heat conducting pipe are formed at 20 both ends of shaft
Point circular cone body side surface and the cylindrical sides of middle section formed stepped, and circular cone body side surface makes higher than cylindrical sides
Condensed liquid reflux is obtained to 21 middle section of heat conducting pipe, circulating and evaporating heat dissipation is carried out, liquid outlet is offered at shaft both ends
18 and implementation of port 14, the two can implementation of port and liquid outlet each other, be just filled with liquid and excluded liquid.The cooling system of this design
The type of cooling that system is combined using multiplexer channel, the outer coolant jacket 6 of casing can radiate to motor stator, take away stator core heat
Amount, the inside air duct 7 of slot inner shaft can not only give electric machine stator winding heat dissipation, but also can take away the heat dissipation of rotor part, but due to
Rotor heat is big, small, and heat dissipation is difficult, and the ability for only taking away rotor heat by the inside air duct 7 of slot inner shaft is limited, to rotor dispersing
Thermal effect is limited, and be easy to cause the problem of medium temperature is locally excessively high, and the present invention is steamed by opening up in armature spindle in the rotor
Cooling duct 19 is sent out, by the temperature difference that two ends of rotor is larger, high temperature evaporation area 22 and low temperature cold coagulation zone 23 and 24 is formed, passes through liquid
Rotor heat is taken away in the phase transformation of body, is recycled by cryogenic condensation 24, and the inside air duct 7 of slot inner shaft combines the evaporation of internal rotor
The common heat dissipation of cooling, can effectively reduce temperature of rotor, play good heat dissipation effect, not only solve Large-power High-Speed electricity
Machine loss density is big, heat dissipation is difficult, the problem of local temperature rise is excessively high easily occurs, and temperature of rotor can be made more uniform, avoids turning
There is larger temperature gradient in son, prevents permanent magnet irreversible demagnetization caused by temperature is excessively high, motor is caused to be unable to operate normally
The phenomenon that, the safe operating life of Large-power High-Speed motor that greatly improves
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made all within the spirits and principles of the present invention etc., should all include
Within protection scope of the present invention.
Claims (8)
1. evaporation cooling Fast Cooling magneto in a kind of armature spindle, the magneto include casing (13), are arranged on casing
Interior stator and rotor and the end cap (15) for being arranged on casing both ends, which is characterized in that the rotor includes shaft (20), turns
Sub- iron core (9), permanent magnet (10) and protective case (8), rotor core (9) are sleeved in shaft (20), and permanent magnet (10) is attached to rotor
The outer round surface of iron core (9), protective case (8) are sleeved on the central axis in permanent magnet (10) periphery, the shaft and rotor core
On be provided with heat conducting pipe (21), which is in enclosed construction, is divided into both ends part and middle section, the both ends part is in cone
It body shape and is arranged in shaft, the middle section is cylindrical and through entire rotor core, the bottom surface of the cone
Diameter is less than the basal diameter of the cylinder, and the side of cone and the side of cylinder form ladder, wherein, the circular cone
The side of body is higher than the side of cylinder, and heat conducting pipe implementation of port (26) and heat conducting pipe are further opened on the both ends part of the heat conducting pipe
Liquid outlet (25) connects respectively with the implementation of port (18) and liquid outlet (14) being arranged in the shaft, for the heat conduction
Cooling liquid is filled in pipe.
2. evaporation cooling Fast Cooling magneto in a kind of armature spindle as described in claim 1, which is characterized in that described to lead
Heat pipe (21) preferably using copper pipe or aluminum pipe, middle section and the rotor core using being interference fitted, both ends part with it is described
Shaft is coordinated using transition.
3. evaporation cooling Fast Cooling magneto in a kind of armature spindle as claimed in claim 1 or 2, which is characterized in that institute
State the mixing liquid that the cooling liquid being filled in heat conducting pipe (21) is the water, alcohol or the two.
4. as evaporation cooling Fast Cooling magneto, feature exist in a kind of armature spindle of claim 1-3 any one of them
In the stator includes stator core (4), stator winding (5) and stator pressing plate (3), and stator winding is arranged on stator core (4)
On, stator pressing plate (3) is arranged on the both ends of stator core (4), is arranged in stator core (4), and stator pressing plate (3) is arranged on fixed
The both ends of sub- iron core (4).
5. as evaporation cooling Fast Cooling magneto, feature exist in a kind of armature spindle of claim 1-4 any one of them
In the outside of the casing (13) is provided with coolant jacket (6), which is led to using helical form, straight trough S shapes or axial straight trough
Road, cooling liquid is passed through in the coolant jacket or air is cooled down, wherein, cooling liquid (17) is preferably water or alcohol.
6. as evaporation cooling Fast Cooling magneto, feature exist in a kind of armature spindle of claim 1-5 any one of them
In being provided with the inside air duct of axis (7) between the stator winding (5) and the rotor periphery, set on the casing (13)
There are air inlet (1) and air outlet (12).
7. as evaporation cooling Fast Cooling magneto, feature exist in a kind of armature spindle of claim 1-6 any one of them
In the rotor protection set (8) preferably uses alloy sleeve or carbon fiber sheath.
8. as evaporation cooling Fast Cooling magneto, feature exist in a kind of armature spindle of claim 1-7 any one of them
In the heat conducting pipe (21) preferably uses the material of high heat conduction characteristic, such as copper pipe or aluminum pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096343.0A CN108258852A (en) | 2018-01-31 | 2018-01-31 | Evaporation cooling Fast Cooling magneto in a kind of armature spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096343.0A CN108258852A (en) | 2018-01-31 | 2018-01-31 | Evaporation cooling Fast Cooling magneto in a kind of armature spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108258852A true CN108258852A (en) | 2018-07-06 |
Family
ID=62743886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810096343.0A Pending CN108258852A (en) | 2018-01-31 | 2018-01-31 | Evaporation cooling Fast Cooling magneto in a kind of armature spindle |
Country Status (1)
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| CN (1) | CN108258852A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361292A (en) * | 2018-11-02 | 2019-02-19 | 南京林业大学 | A kind of full-liquid type evaporative cooling system cooling for motor |
| CN109361293A (en) * | 2018-11-02 | 2019-02-19 | 南京林业大学 | A kind of dry type evaporative cooling system cooling for motor |
| CN109412342A (en) * | 2018-12-28 | 2019-03-01 | 广东工业大学 | A kind of cooling devcie of motor and cooling devcie of motor system |
| CN109412341A (en) * | 2018-11-02 | 2019-03-01 | 南京林业大学 | A kind of rotor vacuumizes cooling high-speed permanent magnet motor system |
| CN109639017A (en) * | 2019-01-09 | 2019-04-16 | 哈尔滨理工大学 | A kind of novel high speed magneto liquid-cooling self-circulation casing |
| CN109660046A (en) * | 2019-01-21 | 2019-04-19 | 浙江飞旋科技有限公司 | High-speed high-power motor durface mounted permanent magnet rotor with medium |
| CN112787466A (en) * | 2021-01-29 | 2021-05-11 | 沈阳工业大学 | Novel cooling structure of high-power-density permanent magnet motor |
| CN112908560A (en) * | 2021-02-04 | 2021-06-04 | 河南顿隆电子科技有限公司 | Cooling apparatus for manufacturing electric wire |
| CN114337116A (en) * | 2021-12-31 | 2022-04-12 | 华中科技大学 | Motor with rotor cooling structure and application thereof |
| CN114614603A (en) * | 2022-03-21 | 2022-06-10 | 浙江理工大学 | Hydraulic generator rotor magnetic pole heat radiation structure |
| CN115995910A (en) * | 2023-03-23 | 2023-04-21 | 河北乾顺节能科技有限公司 | Active ventilation and heat dissipation device of outer rotor motor |
| WO2024162212A1 (en) * | 2023-02-01 | 2024-08-08 | 株式会社デンソー | Motor device and propulsion device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361292A (en) * | 2018-11-02 | 2019-02-19 | 南京林业大学 | A kind of full-liquid type evaporative cooling system cooling for motor |
| CN109361293A (en) * | 2018-11-02 | 2019-02-19 | 南京林业大学 | A kind of dry type evaporative cooling system cooling for motor |
| CN109412341A (en) * | 2018-11-02 | 2019-03-01 | 南京林业大学 | A kind of rotor vacuumizes cooling high-speed permanent magnet motor system |
| CN109412342A (en) * | 2018-12-28 | 2019-03-01 | 广东工业大学 | A kind of cooling devcie of motor and cooling devcie of motor system |
| CN109639017A (en) * | 2019-01-09 | 2019-04-16 | 哈尔滨理工大学 | A kind of novel high speed magneto liquid-cooling self-circulation casing |
| CN109660046A (en) * | 2019-01-21 | 2019-04-19 | 浙江飞旋科技有限公司 | High-speed high-power motor durface mounted permanent magnet rotor with medium |
| CN112787466A (en) * | 2021-01-29 | 2021-05-11 | 沈阳工业大学 | Novel cooling structure of high-power-density permanent magnet motor |
| CN112787466B (en) * | 2021-01-29 | 2024-02-09 | 沈阳工业大学 | Novel cooling structure of high-power density permanent magnet motor |
| CN112908560A (en) * | 2021-02-04 | 2021-06-04 | 河南顿隆电子科技有限公司 | Cooling apparatus for manufacturing electric wire |
| CN114337116A (en) * | 2021-12-31 | 2022-04-12 | 华中科技大学 | Motor with rotor cooling structure and application thereof |
| CN114337116B (en) * | 2021-12-31 | 2023-03-31 | 华中科技大学 | Motor with rotor cooling structure and application thereof |
| CN114614603A (en) * | 2022-03-21 | 2022-06-10 | 浙江理工大学 | Hydraulic generator rotor magnetic pole heat radiation structure |
| CN114614603B (en) * | 2022-03-21 | 2023-11-14 | 浙江理工大学 | Hydro-generator rotor magnetic pole heat radiation structure |
| WO2024162212A1 (en) * | 2023-02-01 | 2024-08-08 | 株式会社デンソー | Motor device and propulsion device |
| CN115995910A (en) * | 2023-03-23 | 2023-04-21 | 河北乾顺节能科技有限公司 | Active ventilation and heat dissipation device of outer rotor motor |
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