CN110474470A - Low-loss, low noise the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle - Google Patents
Low-loss, low noise the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle Download PDFInfo
- Publication number
- CN110474470A CN110474470A CN201910618554.0A CN201910618554A CN110474470A CN 110474470 A CN110474470 A CN 110474470A CN 201910618554 A CN201910618554 A CN 201910618554A CN 110474470 A CN110474470 A CN 110474470A
- Authority
- CN
- China
- Prior art keywords
- stator
- low
- rotor
- totally
- motor
- 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.)
- Granted
Links
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
- H02K1/12—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
- 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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to the totally-enclosed self-ventilation pulling motors of low floor vehicle.Including base, stator assembly and rotor assembly, the driving end end cap and non-transmision end end cap that are separately mounted to base two sides；Stator punching border outer rim in stator assembly is provided with irregular spot-facing and large wind hole, stator pressing ring is provided with the stator pressing ring air duct being connected with above-mentioned irregular spot-facing and large wind hole close to the position at its edge, it is provided with the air inlet being connected with stator pressing ring air duct on non-transmision end end cap, the air outlet being connected with above-mentioned spot-facing, large wind hole and stator pressing ring air duct is provided on driving end end cap；Ventilating duct, large wind hole and the stator pressing ring air duct formed between spot-facing and inboard wall of base collectively forms outer loop wind path；Stator punching border is additionally provided with the small air holes positioned at motor internal closed space, and air gap is equipped between stator assembly and rotor assembly, is provided with axial ventilation road on rotor；Small air holes, air gap and rotor axial ventilating duct constitute circulating air duct inside two-way.
Description
Technical field
The present invention relates to traction electric machine field, specially a kind of low-loss, low noise 100% low floor vehicle with totally-enclosed
Self-ventilation pulling motor.
Background technique
100% low-floor light rail vehicle refers to floor height to the top of rail generally in 250~400mm rail traffic below
Vehicle, opposite 70% low floor vehicle floor height to the top of rail low 40%.Track can be laid immediately on road surface, or be utilized originally
Streetcar track;Vehicle can be adapted to urban ground road conditions, can significantly reduce making for route by the curve of radius very little
Valence.The train marshalling list of 100% low-floor light rail vehicle is generally 4~5 sections, and 33~35m of total length belongs to middle freight volume travel pattern,
It is suitble to the arterial traffic and metropolitan branch line traffic of effect small and medium-sized cities.100% low floor vehicle requirement floor is low, axis weight is small,
Turning radius is small, guest room is spacious, car door and vehicle window super large, and general so can be used for installing the narrow space of vehicle arrangement
Subway transportation system has biggish difference, causes certain difficulty for equipment arrangement installation under car body.100% low-floor
Vehicle traction electric motor bottom installation space length shortens 12.7% than 70% low floor vehicle, and traction, stopping power are mentioned than 70% low floor vehicle
Height nearly 20%, passenger carrying capacity improve nearly 20%.It is more harsh compared to 70% low floor vehicle traction electric machine volumetric constraint, lightweight requirements
It is higher；Requirement to motor temperature rise and noise performance is also more harsh.
Existing opening structure motor application uses spheroidal graphite cast-iron in tramcar vehicle, 6 poles, degree of protection IP23, base
Material casting, stator core hot jacket, rotor are squirrel-cage conducting bar end ring welding structure, single fan, single-ended bearing arrangement, with gear
Axle box bearing is used cooperatively.Motor major parameter:
Rated power 130kW voltage rating 500V rated speed 1800r/min.
Motor electromagnetic performance can satisfy the demand of 100% low floor vehicle characteristic, and motor slot is opened with being combined into 54/44,6 poles
Open formula self-ventilation.There are high frequency electromagnetic noises in running frequency section for motor.Self-ventilation open-type structure is mounted on low floor vehicle bottom
Portion, rainwater is easy to be entered inside motor by inlet and outlet, and then enters junction box by extraction line position, and three-phase is caused to be drawn
Line scaling loss.Motor weight 486kg is unable to satisfy 100% low floor vehicle motor weight≤440kg demand.
Summary of the invention
The present invention meets low floor vehicle installation space, mounting means by rationally designing 100% low floor vehicle electric machine structure
With motor limit value weight demands, the matched design of primary study totally-enclosed machine ventilation and heat and temperature rise, totally-enclosed machine electromagnetism
Parameter chooses accumulation, combines totally-enclosed machine noise-reducing design.Concrete technical problems are embodied in the following contents:
1) duty demand when 100% low floor vehicle traction electric machine structural strength of satisfaction, weight, the same domain slow-speed of revolution are long.
2) rotor design is that mouse cage carries fan structure, carries out strength Calculation, and proof strength meets high speed for a long time
The requirement of rotation, while meeting low speed, vibration at high speed limit value requirement.
3) motor light-weight design, main screw lift≤440kg.
4) realize that heat dissipation balancing, motor stamping are provided with outer ventilation circuit heat dissipation by the rotation of rotor press plate blade inside motor,
Motor temperature rise is met the requirements.
The present invention is achieved by the following technical scheme: the full envelope of 100% low floor vehicle of a kind of low-loss, low noise
Close self-ventilation pulling motor, including base, be separately mounted to base two sides driving end end cap and non-transmision end end cap, be located at machine
Stator assembly and rotor assembly inside seat；It is fixed with bearing cap on the inside of non-transmision end end cap, bearing cover center is equipped with bearing,
Shaft is supported by bearing；Shaft is equipped with fan in the exterior portion of bearing cap, is provided with air inlet on non-transmision end end cap；Axis
Ipsilateral stator pressing ring is tightly connected in the border Cheng Gai and stator assembly, and the border of driving end end cap and ipsilateral stator pressing ring seal
Connection is realized totally-enclosed inside motor；Stator punching border outer rim in stator assembly is provided with irregular spot-facing and strong wind
Hole, stator pressing ring are provided with the stator pressing ring air duct being connected with above-mentioned irregular spot-facing and large wind hole close to the position at its edge,
The non-transmision end air inlet being connected with stator pressing ring air duct is provided on non-transmision end end cap, be provided on driving end end cap with it is above-mentioned
The air outlet that spot-facing, large wind hole and stator pressing ring air duct are connected；Ventilating duct, the strong wind formed between spot-facing and inboard wall of base
Hole and stator pressing ring air duct collectively form outer loop wind path；Stator punching border is also set in the position for being radially less than large wind hole
It is equipped with the small air holes being located in totally-enclosed space, air gap is equipped between stator assembly and rotor assembly, is provided on rotor axial logical
Air duct；The rotor press plate border that rotor is assemblied in non-transmision end side is equipped with blade and constitutes auxiliary blower；Small air holes, air gap and
Rotor axial ventilating duct constitutes circulating air duct inside two-way.
In the present invention, air channel structure of motor uses self-ventilation structure, and non-transmision end end cap, stator pressing ring, stator punching are logical
Air holes, fan form motor separate ventilation wind path, rotor ventilation hole, rotor gap, rotor press plate blade (auxiliary blower) composition
Interior wind path cools down motor.It is radiated (shown in Fig. 2 arrow) to motor on three tunnels of cooling wind point.One routing non-transmision end wind
Fan, by non-transmision end end cap air inlet be sent into stator pressing ring air duct-stator punching ventilating duct (irregular air duct and not uniformly
Great circle)-driving end stator pressing ring-transmission end cap, stator core is cooled down；Rotor core axial ventilation road-is flowed through all the way
Air gap between rotor press plate blade-stator and rotor, cools down rotor core surface；Rotor core axial ventilation road-is flowed through all the way
Stator punching ventilating duct (inner ring is not evenly distributed with aperture)-rotor press plate blade, radiates to stator and rotor.
Further, 6 extremely totally-enclosed self-ventilated machines, electromagnetic parameter optimum option are cooperated using 54/48 slot.Motor electricity
Magnetic parameter and open-type self-ventilated machine electromagnetic parameter selection comparative situation are as follows:
Within 10%, electric load is chosen for the selection of totally-enclosed self-ventilated machine electromagnetic load and the control of open-type self-ventilation deviation
It is relatively low compared with open-type electric machine 10% or more, motor it is whole and it is every reduceds range is lost 5% or more, motor total losses and
Open-type self-ventilated machine deviation is smaller 2.7%, and total losses deviation is less than 0.5kW.
Further, rotor press plate auxiliary blower is integrated into using silicon steel sheet；Size air holes is irregularly around fixed
Sub- punching center setting；Main screw lift≤440kg.
Stator uses lamination inorganic shell welding structure；Stator core is overrided to form by stator punching, and stator punching is led by height
Magnetic rate, low-loss cold rolling electric piece punching form.
The present invention relates to a kind of totally-enclosed 6 pole of 100% low floor vehicle, 54/48 slots to cooperate self-ventilation pulling motor, compares
Field of urban rail equal-wattage grade self-ventilation asynchronous traction motor volume is smaller, weight is lighter, and motor temperature rise is low, makes an uproar
Sound superior performance.
A), motor complete machine structure: all-closed horizontal single bearing structure.
B), the motor type of cooling: gravity-flow ventilation is cooling, and cooling wind is aerated heat dissipation by outside motor wind path.
C), rotor press plate meets outside compacted iron heart function, is equipped with 12 flabellums, flows for balance motor internal heat,
Reduce motor rotor temperature.
D), for the present invention using different from cooperating 6 pole totally-enclosed machines with power grade slot, motor flux density, electricity are close and fixed, turn
Sub- copper loss is smaller, and stray loss of motor is lower, inhibits harmonic wave ability strong.Rated point total losses reduce by 3.5% than open-type electric machine.
Temperature rise test when carrying out long in rated power 120kW, voltage 530V, the close situation of revolving speed:
Totally-enclosed machine tests long Shi Wensheng (revolving speed 1963r/min): 126K；
Open-type electric machine tests long Shi Wensheng (revolving speed 1800r/min)): 121K；
E), the completely new slot cooperation of same domain is chosen, and eliminates 1,2,3,4,5 radial Reebs of motor operation frequency band, only generates 6 times
Motor electromagnetic noise is greatly reduced in radial Reeb.
Totally-enclosed machine (revolving speed 4500r/min) acoustic power level noise figure: 101dB(A)；
Open-type electric machine (revolving speed 3900r/min) acoustic power level noise figure: 108.4 dB(A).
F), lightweight structure conceptual design:
Rotor end plates substitute steel plate using silicon steel sheet, and it is long to increase effective iron, guarantee in magnetic, the comparable situation of electric load, realization subtracts
Weight.
Pressing plate-auxiliary blower integration replaces pressing plate clean steel plate design structure, reduces accessory, while flabellum thin slice welding knot
Structure design, is conducive to motor loss of weight.
Wind path ventilation hole in stator punching is uniformly distributed, is uniformly distributed magnetic circuit rationally, effectively mitigates stator component weight.
Wind path had both guaranteed stationary part magnetic circuit using ventilation hole and irregular ventilation hole arrangement is not evenly distributed with outside stator punching
It is unobstructed, while guaranteeing stationary part structural strength again, and then realize the design of stator component loss of weight.
Technical solution of the present invention bring beneficial effect
Technical solution of the present invention is used for the totally-enclosed traction electric machine of 100% low floor vehicle, has filled up domestic 100% low floor vehicle with entirely
The technological gap of traction electric machine is closed, preferably goes out to be suitble to slot cooperation and the wind path structure of low floor vehicle totally-enclosed machine, for full envelope
It closes the design of subway motor electromagnetic and structure design provides reference and foundation.Motor performance is excellent, high reliablity, and indices are complete
The demand of full up foot ground end wooden handcart operation.The suitable slot cooperation of motor effectively avoids electromagnetic noise, eliminates the radial Reeb of low order time,
The electromagnetic noise of motor high band and low-frequency range is reduced, and then reduces harm of the low floor vehicle noise to human body and environment.
Detailed description of the invention
Fig. 1 traction motor schematic diagram of internal structure of the present invention.
The assembly of 1- rotor, 2- bearing, 3- fan, 4- velocity sensor, 5- non-transmision end end cap, 6- rotor press plate blade,
The assembly of 7- stator, 8- driving end end cap, 9- shaft coupling；
Fig. 2 wind path structure schematic diagram.
10- air inlet, 11- non-transmision end air inlet, 12- stator pressing ring air duct, 13- stator core air duct are followed outside 14-
Ring air duct, 15- stator pressing ring outlet air, the inside 16- circulating air duct；
Fig. 3 stator punching figure.
The irregular spot-facing of 17-, 18- large wind hole, the small air holes of 19-.
Specific embodiment
Motor of the present invention is by stator, rotor, non-transmision end end cap, fan, driving end end cap, bearing, shaft coupling etc.
Composition.Stator uses lamination inorganic shell welding structure.Stator core is overrided to form by stator punching, and stator punching is by high magnetic conduction
Rate, low-loss cold rolling electric piece punching form.Stator punching is complex-shaped, is provided with irregular spot-facing and large and small air holes,
Air duct is formed after irregular spot-facing and external pulling plate welding and large wind hole realizes rapid cooling, and small air holes realizes that part quickly dissipates
Heat.Stator coil is equipped in stator, stator coil is formed by film deposition conducting wire coiling, and turn-to-turn insulation uses deposition film, main
Insulation uses the mica tape and Kapton of glass cloth reinforcement, and pad puts turn separator when coil nose coiling, for preventing
The dislocation of coil nose.Overall vacuum pressure soaks insulated paint after being embedded in.Stator coil lead riser is overlapped using electromagnetic wire, is fixed on and is connect
It inside wire box, is drawn by threephase cable, junction box structure of electrical machine form good airproof performance high reliablity.Rotor uses copper bar
Mouse cage type structure.Non-transmision end is fixed with fan, end cap, is supported by shaft through bearing on end cap, has rotor core in shaft, turns
Sub- iron core is overrided to form by rotor punching, and axial ventilation hole is provided on rotor press plate and punching and is radiated for rotor.Rotor press plate
Bending is carried out, outer circle is pressed in rotor punching notch position, and uncoated silicon steel sheet transition is used between pressing plate and punching, reduces punching
The stress that notch position is subject to, while motor electromagnetic distributed effect is not influenced.Cancel rotor press plate compensating groove, increases end ring and turn
Sub- pressing plate ventilation gap.It is fixed with bearing cap on end cap, is equipped with sensor installation seat, installation speed sensor；It is installed in shaft
There is fan, fan uses plurality of steel plates welding, is processed into fluted disc in fan unilateral side, and for transmitting motor speed signal, speed is passed
Sensor output phase differs 90 degree of dipulse signal, the accurate control for motor speed and steering.In addition, in stator core
Face is equipped with stator temperature sensor for detecting motor operation temperature.
Motor stator structure of the present invention is compact, with small in size, light-weight, cooling cooling effect is good, anti-acoustic capability
The features such as good, can satisfy 100% low-floor vehicle commander's luck row temperature rise demand.
Under sinusoidal electric power thus supplied, the present invention and open-type self-ventilation test situation are compared, in the suitable situation of parameters
Under, totally-enclosed self-ventilated machine is suitable with open-type self-ventilated machine temperature rise, and noise level is preferable.
Temperature rise:
Noise:
Key problem in technology point of the invention:
1) electromagnetism calculating, pulling figure research are carried out with asynchronous traction totally enclosed motor to 100% low floor vehicle
It analyzes and researches to the traction spy life of motor different capacity characteristic point and braking characteristic curve, it is optimal to carry out characterisitic parameter
Change design.
2) totally-enclosed traction motor noise-reducing design
The slot cooperation for choosing 6 poles 54/48 reduces the stator core resonance that electromagnetic radial force wave causes, avoids high band and low frequency
Section motor operation noise.
3) totally-enclosed asynchronous traction motor ventilation cooling structure research
Low floor vehicle motor mounting space is nervous, and structure is compact to design.Reasonable design ventilation cooling structure is emphasis, and wind path dissipates
It is difficult point that thermal design, which meets motor temperature rise demand,.
4) totally-enclosed machine reduces temperature rise design
Stator and rotor reduce stator and rotor harmonics loss using few slot cooperation, realize that motor overall losses reduce, and then reduce motor
Temperature rise.
5) totally-enclosed machine light-weight design.
Claims (10)
1. the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle of a kind of low-loss, low noise, including base, pacify respectively
Driving end end cap and non-transmision end end cap mounted in base two sides, the assembly of the stator positioned at base inner and rotor assembly；Non- biography
It is fixed with bearing cap on the inside of the end cap of moved end, bearing cover center is equipped with bearing, is supported by shaft on bearing；It is characterized in that, turning
Axis is equipped with fan in the exterior portion of bearing cap, is provided with air inlet on non-transmision end end cap；Bearing cap border and stator assemble
In ipsilateral stator pressing ring be tightly connected, the border of driving end end cap and ipsilateral stator pressing ring are tightly connected, and are realized inside motor
It is totally-enclosed；Stator punching border outer rim in stator assembly is provided with irregular spot-facing and large wind hole, and stator pressing ring is close to it
The position at edge is provided with the stator pressing ring air duct being connected with above-mentioned irregular spot-facing and large wind hole, is provided on non-transmision end end cap
The non-transmision end air inlet being connected with stator pressing ring air duct is provided on driving end end cap and above-mentioned spot-facing, large wind hole and fixed
The air outlet that sub- pressing ring air duct is connected；Ventilating duct, large wind hole and the stator pressing ring wind formed between spot-facing and inboard wall of base
Road collectively forms outer loop wind path；Stator punching border is additionally provided in the position for being radially less than large wind hole positioned at totally-enclosed sky
Interior small air holes is equipped with air gap, is provided with axial ventilation road on rotor between stator assembly and rotor assembly；Rotor is assemblied in non-
The rotor press plate border of driving end side is equipped with blade and constitutes auxiliary blower；Small air holes, air gap and rotor axial ventilating duct structure
At circulating air duct inside two-way.
2. the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle of low-loss as described in claim 1, low noise,
It is characterized in that, the traction electric machine is totally-enclosed 6 pole, 54/48 slot cooperation traction electric machine.
3. the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle of low-loss as claimed in claim 2, low noise,
It is characterized in that, rotor press plate auxiliary blower is integrated into using steel plate；Large and small air holes is irregularly around stator punching center
Setting；Main screw lift≤440kg.
4. as 100% low floor vehicle of the described in any item low-losses of claim 1 ~ 3, low noise is drawn with totally-enclosed self-ventilation
Motor, which is characterized in that stator uses lamination inorganic shell welding structure；Stator core is overrided to form by stator punching, stator punching
Piece is formed by high permeability, low-loss cold rolling electric piece punching.
5. as 100% low floor vehicle of the described in any item low-losses of claim 1 ~ 3, low noise is drawn with totally-enclosed self-ventilation
Motor, which is characterized in that stator coil is equipped in stator, stator coil is formed by film deposition conducting wire coiling, and turn-to-turn insulation is adopted
With deposition film, major insulation uses the mica tape and Kapton of glass cloth reinforcement, and pad puts turn-to-turn when coil nose coiling
Filler strip, overall vacuum pressure soaks insulated paint after being embedded in.
6. as 100% low floor vehicle of the described in any item low-losses of claim 1 ~ 3, low noise is drawn with totally-enclosed self-ventilation
Motor, which is characterized in that rotor uses copper bar squirrel cage formula structure；The shaft coupling being connected with shaft is installed on the inside of driving end end cap
Section.
7. the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle of low-loss as claimed in claim 4, low noise,
It is characterized in that, rotor uses copper bar squirrel cage formula structure；The shaft coupling being connected with shaft is installed on the inside of driving end end cap.
8. as 100% low floor vehicle of the described in any item low-losses of claim 1 ~ 3, low noise is drawn with totally-enclosed self-ventilation
Motor, which is characterized in that rotor press plate carries out bending, and rotor press plate outer circle is pressed in rotor punching notch position, rotor press plate with
Uncoated silicon steel sheet transition is used between rotor punching.
9. as 100% low floor vehicle of the described in any item low-losses of claim 1 ~ 3, low noise is drawn with totally-enclosed self-ventilation
Motor, which is characterized in that be fixed with velocity sensor on non-transmision end end cap；Fan uses plurality of steel plates welding, in fan list
Fluted disc is processed into side, for transmitting motor speed signal.
10. the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle of low-loss as claimed in claim 5, low noise,
It is characterized in that, is fixed with velocity sensor on non-transmision end end cap；Fan uses plurality of steel plates welding, is processed into fan unilateral side
Fluted disc, for transmitting motor speed signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618554.0A CN110474470B (en) | 2019-07-10 | 2019-07-10 | Low-loss low-noise totally-enclosed self-ventilation traction motor for 100% low-floor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618554.0A CN110474470B (en) | 2019-07-10 | 2019-07-10 | Low-loss low-noise totally-enclosed self-ventilation traction motor for 100% low-floor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110474470A true CN110474470A (en) | 2019-11-19 |
| CN110474470B CN110474470B (en) | 2021-08-03 |
Family
ID=68507146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618554.0A Active CN110474470B (en) | 2019-07-10 | 2019-07-10 | Low-loss low-noise totally-enclosed self-ventilation traction motor for 100% low-floor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110474470B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653292A (en) * | 2020-12-23 | 2021-04-13 | 嵊州市玖和机电有限公司 | Motor with self-cooling system for fan |
| CN113188817A (en) * | 2021-04-25 | 2021-07-30 | 中车永济电机有限公司 | Auxiliary platform for control and development of superconducting electric suspension propulsion system |
| 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 |
| CN113965019A (en) * | 2021-10-25 | 2022-01-21 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
| CN114362424A (en) * | 2021-12-15 | 2022-04-15 | 中车永济电机有限公司 | High-speed self-ventilation traction motor |
| EP4035916A1 (en) * | 2021-02-01 | 2022-08-03 | ALSTOM Holdings | Cooling device of an electric motor, associated motorization assembly and associated vehicle |
| FR3131127A1 (en) * | 2021-12-22 | 2023-06-23 | Alstom Holdings | Electric motor and public transport vehicle comprising such a motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202260856U (en) * | 2011-08-04 | 2012-05-30 | 株洲南车时代电气股份有限公司 | Radiating device of permanent magnet motor rotor |
| CN204156665U (en) * | 2014-08-15 | 2015-02-11 | 中国长江航运集团电机厂 | A kind of two cooling compact variable-frequency motor |
| CN106208437A (en) * | 2016-08-12 | 2016-12-07 | 温岭市九洲电机制造有限公司 | A kind of wheel hub electric motor of electric vehicle stator and the motor containing this kind of stator |
| CN107659103A (en) * | 2017-11-06 | 2018-02-02 | 上海电机***节能工程技术研究中心有限公司 | A kind of asynchronous starting permanent magnet synchronous motor |
| CN108964354A (en) * | 2018-08-17 | 2018-12-07 | 中车永济电机有限公司 | A kind of totally-enclosed asynchronous traction motor on low floor vehicle |
| CN208257532U (en) * | 2018-03-27 | 2018-12-18 | 上海六盛电机有限公司 | Motor rotor component |
| CN109327083A (en) * | 2017-07-31 | 2019-02-12 | 中车株洲电力机车研究所有限公司 | It is a kind of for being superimposed as the stator punching and motor stator of electric machine stator iron |
-
2019
- 2019-07-10 CN CN201910618554.0A patent/CN110474470B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202260856U (en) * | 2011-08-04 | 2012-05-30 | 株洲南车时代电气股份有限公司 | Radiating device of permanent magnet motor rotor |
| CN204156665U (en) * | 2014-08-15 | 2015-02-11 | 中国长江航运集团电机厂 | A kind of two cooling compact variable-frequency motor |
| CN106208437A (en) * | 2016-08-12 | 2016-12-07 | 温岭市九洲电机制造有限公司 | A kind of wheel hub electric motor of electric vehicle stator and the motor containing this kind of stator |
| CN109327083A (en) * | 2017-07-31 | 2019-02-12 | 中车株洲电力机车研究所有限公司 | It is a kind of for being superimposed as the stator punching and motor stator of electric machine stator iron |
| CN107659103A (en) * | 2017-11-06 | 2018-02-02 | 上海电机***节能工程技术研究中心有限公司 | A kind of asynchronous starting permanent magnet synchronous motor |
| CN208257532U (en) * | 2018-03-27 | 2018-12-18 | 上海六盛电机有限公司 | Motor rotor component |
| CN108964354A (en) * | 2018-08-17 | 2018-12-07 | 中车永济电机有限公司 | A kind of totally-enclosed asynchronous traction motor on low floor vehicle |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653292A (en) * | 2020-12-23 | 2021-04-13 | 嵊州市玖和机电有限公司 | Motor with self-cooling system for fan |
| EP4035916A1 (en) * | 2021-02-01 | 2022-08-03 | ALSTOM Holdings | Cooling device of an electric motor, associated motorization assembly and associated vehicle |
| FR3119343A1 (en) * | 2021-02-01 | 2022-08-05 | Alstom Transport Technologies | Cooling device for an electric motor, motor assembly and associated vehicle |
| CN113188817A (en) * | 2021-04-25 | 2021-07-30 | 中车永济电机有限公司 | Auxiliary platform for control and development of superconducting electric suspension propulsion system |
| 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 |
| CN113965019A (en) * | 2021-10-25 | 2022-01-21 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
| CN113965019B (en) * | 2021-10-25 | 2024-01-23 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
| CN114362424A (en) * | 2021-12-15 | 2022-04-15 | 中车永济电机有限公司 | High-speed self-ventilation traction motor |
| CN114362424B (en) * | 2021-12-15 | 2024-04-19 | 中车永济电机有限公司 | High-speed self-ventilation traction motor |
| FR3131127A1 (en) * | 2021-12-22 | 2023-06-23 | Alstom Holdings | Electric motor and public transport vehicle comprising such a motor |
| EP4203270A1 (en) * | 2021-12-22 | 2023-06-28 | ALSTOM Holdings | Electric motor and public transport vehicle comprising such a motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110474470B (en) | 2021-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110474470A (en) | Low-loss, low noise the totally-enclosed self-ventilation pulling motor of 100% low floor vehicle | |
| WO2021114606A1 (en) | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure | |
| US20180323665A1 (en) | Motor with separated permanent magnet torque and reluctance torque and its optimal efficiency control | |
| CN112421833B (en) | Oil cooling rotor structure | |
| CN101722958B (en) | Independent hub traction device | |
| CN201904687U (en) | Generator integrally connected with engine | |
| CN202026203U (en) | Permanent magnetic synchronized traction motor with air cooling structure | |
| CN101789649B (en) | Motor with mixed-flow fan for circulating inner and outer air paths | |
| CN101431282A (en) | Frequency conversion permanent magnet synchronous motor | |
| CN106487125A (en) | Locomotive direct-drive permanent-magnetism traction motor | |
| WO2020114219A1 (en) | Cooling structure for balancing air pressure inside machine base | |
| CN201025685Y (en) | Portable digital frequency conversion power generator unit | |
| WO2020034448A1 (en) | A fully-enclosed asynchronous traction motor for low-floor vehicle | |
| Paul et al. | State-of-the-art review of railway traction motors for distributed traction considering South Korean high-speed railway | |
| CN101521427A (en) | Self-ventilation pulling motor | |
| CN105245042B (en) | Wind path structure in a kind of permanent-magnetic wind driven generator | |
| CN104821671B (en) | Compact rotor structure with rotor wind path | |
| CN106849524A (en) | The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors | |
| CN206559200U (en) | The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors | |
| CN207853717U (en) | A kind of single-bearing alternating current asynchronous traction electric machine for inter-city train | |
| CN202978652U (en) | High-capacity brushless excitation system | |
| CN209344928U (en) | Wheel hub subassembly and vehicle of vehicle | |
| CN107492978A (en) | Light rail, electric driving machinery of subway | |
| CN201294419Y (en) | Self ventilation traction motor | |
| CN112713716B (en) | Closed motor with internal and external cooling wind path and motor base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |