CN103166363A - Composite air cooling system of full sealed traction motor - Google Patents
Composite air cooling system of full sealed traction motor Download PDFInfo
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- CN103166363A CN103166363A CN2013100392323A CN201310039232A CN103166363A CN 103166363 A CN103166363 A CN 103166363A CN 2013100392323 A CN2013100392323 A CN 2013100392323A CN 201310039232 A CN201310039232 A CN 201310039232A CN 103166363 A CN103166363 A CN 103166363A
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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
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/16—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
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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
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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Abstract
The invention discloses a composite air cooling system of a full sealed traction motor. The composite air cooling system of the full sealed traction motor comprises a rotor, a stator, a first end cap and a second end cap, the composite air cooling system of the full sealed traction motor further comprises an external forced air cooling structure, an internal closed circle air cooling structure and a composite cooling fan. The composite air cooling system of the full sealed traction motor is capable of not only preventing tiny particles like dust from entering into the traction motor, but also providing enough cooling air quantity for the full sealed traction motor on the basis of the composite air cooling structure of the full sealed traction motor. The cooling effect of the full sealed traction motor is enabled to be significantly improved and enhanced on the composite air cooling mode of external forced air cooling and internal closed circle air cooling.
Description
Technical field
The present invention relates to motor cooling technology field, relate in particular to a kind of compound air-cooled structure of totally-enclosed traction electric machine.
Background technology
The motor cooling technology is extensive application in our daily production, life, due in the motor load running, winding resistance loss, core loss all cause that with the form of heating the temperature of motor self and other installing component raises, after the scope that motor temperature surpass to allow, can produce negative impact to the stability of the performance of motor, insulation, operation.In order to guarantee the motor reliability service, must take corresponding cooling measure, motor each several part temperature is controlled in allowed limits.
To be used for traction electric machine on locomotive, subway and urban rail transit vehicles as example, the volume and weight of traction electric machine is subjected to the restriction of vehicle, and in order to improve the capacity of traction electric machine, mainly take to improve the mode of the electromagnetic load of traction electric machine during design, electrothermal calefactive rate when this just causes the traction electric machine operation is very fast, caloric value is larger, thereby impel the excess Temperature of traction electric machine, affect the stability of performance, insulation and the operation of traction electric machine, may cause traction electric machine to burn when more serious.For reducing to a greater degree to generate heat, motor is used the impact that causes, must improve the cooling system of traction electric machine, to improve its heat-sinking capability, the temperature rise of each part of traction electric machine is controlled in allowed limits, guarantee the operation that traction electric machine is safe and reliable.
At present, the traction electric machine that China's locomotive, subway, urban rail transit vehicles adopt has two kinds usually, a kind of is the traction electric machine of open type structure, adopt the external forced air cooling mode to carry out cooling, motor internal can obtain that direct wind is cooling, and cooling effect is better, but because subway, urban rail transit vehicles are generally more abominable with the running environment of traction electric machine, easily cause dust, microparticle etc. to enter the inner also accumulation of traction electric machine, have a strong impact on its radiating effect; Another kind is the traction electric machine of full-enclosed structure, adopt the sector-style of walking of vehicle to dispel the heat, or adopt inner sealing air-cooled, a fan namely is set in the motor confining bed to be rotated with rotor, utilize flowing of fans drive air, air is transmitted to the motor inner surface with the heat of motor internal in heat conducting mode and then utilizes travelled by vehicle wind to dispel the heat.Adopt closed traction electric machine can effectively adapt to outside abominable running environment; inner components is effectively protected; simultaneously can the masked segment electromagnetic noise; but the heat that closed traction electric machine produces can only dispel the heat to electric machine casing by the naturally cooling or travelled by vehicle wind of traction electric machine housing, and cooling effect is relatively poor.
This shows, how have the cooling structure of traction electric machine by improvement now, make traction electric machine can either have good cooling effect, can effectively prevent again the molecules such as dust to enter motor internal, is present those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of traction electric machine that makes to have good cooling effect, the air-cooled structure that can effectively avoid again the molecule such as the inner dust of traction electric machine to enter.
For achieving the above object, the invention provides following technical scheme:
A kind of compound air-cooled structure of totally-enclosed traction electric machine comprises rotor, stator, the first end cap, the second end cap, also comprises external forced air cooling structure, inner sealing circulation wind cooling structure and is installed on described epitrochanterian Compound cooling fan.
Described external forced air cooling structure comprises:
Be opened in the first end cap air inlet and air inlet duct that described first end covers;
Be opened in the second end cap air outlet and exhaust passage on described the second end cap;
Be opened in stator the first air duct on described stator, described air inlet duct is connected by described stator the first air duct with described exhaust passage,
Described inner sealing circulation wind cooling structure comprises:
The the first wind chamber that is surrounded by described the first end cap, described stator, described rotor and described Compound cooling fan;
At least the second wind chamber that is surrounded mutually by described the second end cap, described stator and described rotor;
Be opened on described stator and be communicated with described the first wind chamber and stator second air duct in described the second wind chamber;
Be opened on described rotor and be communicated with described the first wind chamber and the rotor ventilation road in described the second wind chamber;
Gap between described rotor and described stator forms the gap air duct that is communicated with described the first wind chamber and described the second wind chamber,
Described Compound cooling fan comprises fan wall, interior centrifuge blade, outer air draught blade, described interior centrifuge blade is extended in described the first wind chamber by described fan wall and arranges, described outer air draught blade extends setting by described fan wall in described air inlet duct, have the gap that can guarantee that described Compound cooling fan rotates with described rotor coaxial between described fan wall end and described the first end cap.
Preferably, in the compound air-cooled structure of above-mentioned totally-enclosed traction electric machine, also comprise the bearing air-cooled structure, described bearing air-cooled structure specifically comprises:
Be opened in the air-cooled air inlet of bearing and the air-cooled air outlet of bearing on described the second end cap, the air-cooled air inlet of described bearing and the air-cooled air outlet of described bearing have one in both at least near the rotating shaft setting of traction electric machine;
Be opened on described the second end cap, and be communicated with the air-cooled air duct of bearing of the air-cooled air inlet of described bearing and the air-cooled air outlet of described bearing;
Be installed on described epitrochanterian bearing cooling fan,
Described bearing cooling fan comprises bearing cooling fan wall and extended the bearing cooled blade that arranges by bearing cooling fan wall in the described bearing cooling air channel,
Described bearing cooling fan wall, described stator, described rotor and described the second end cap surround described the second wind chamber jointly, have the gap that can guarantee that described bearing cooling fan rotates with described rotor coaxial between the end of described bearing cooling fan wall and described the second end cap.
Preferably, in the compound air-cooled structure of above-mentioned totally-enclosed traction electric machine, the air-cooled air inlet of described bearing is near described rotating shaft, and the air-cooled air inlet of the relatively described bearing of the air-cooled air outlet of described bearing is away from described rotating shaft.
Preferably, in the compound air-cooled structure of above-mentioned totally-enclosed traction electric machine, also comprise radiating ribs on the outer surface that is arranged in radially described stator.
Preferably, in the compound air-cooled structure of above-mentioned totally-enclosed traction electric machine, described radiating ribs is evenly arranged on the outer surface of described stator.
Preferably, in the compound air-cooled structure of above-mentioned totally-enclosed traction electric machine, it is characterized in that, described the first end cap is the driving end end cap, and described the second end cap is the non-transmision end end cap.
In summary, compared with prior art, the compound air-cooled structure of totally-enclosed traction electric machine provided by the present invention, adopt external forced air cooling but and the inner sealing circulated air cooling simultaneously motor to be carried out compound wind cooling, its cooling effect is significantly improved, and can prevent effectively that the molecules such as dust from entering traction electric machine inside.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the compound air-cooled structure of a kind of totally-enclosed traction electric machine that Fig. 1 provides for the embodiment of the present invention;
The wind path schematic diagram of the compound air-cooled structure of a kind of totally-enclosed traction electric machine that Fig. 2 provides for the embodiment of the present invention;
Wherein, in Fig. 1-Fig. 2:
1 is rotor, 101 is the rotor ventilation road, 2 is stator, 201 is stator the first air duct, 202 is stator the second air duct, 3 is the first end cap, 301 is the first end cap air inlet, 302 is air inlet duct, 4 is the second end cap, 401 is the second end cap air outlet, 402 is the exhaust passage, 403 is the air-cooled air inlet of bearing, 404 is the air-cooled air outlet of bearing, 405 is the air-cooled air duct of bearing, 5 is the Compound cooling fan, 501 is the fan wall, 502 is outer air draught blade, 503 is interior centrifuge blade, 6 is the first wind chamber, 7 is the second wind chamber, 8 is the gap air duct, 9 is the bearing cooling fan, 901 is bearing cooling fan wall, 902 is bearing cooling fan blade, 10 is bearing, 11 are rotating shaft, 12 is radiating ribs.
Embodiment
The invention provides a kind of compound air-cooled structure of totally-enclosed traction electric machine, the air cooling effect of the existing traction electric machine of air cooling effect is significantly improved, and can prevent that the molecule such as dust from entering traction electric machine inside.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to Fig. 1 and Fig. 2, the wind path schematic diagram of the compound air-cooled structure of a kind of totally-enclosed traction electric machine that the structural representation of the compound air-cooled structure of a kind of totally-enclosed traction electric machine that Fig. 1 provides for the embodiment of the present invention, Fig. 2 provide for the embodiment of the present invention.
The compound air-cooled structure of a kind of totally-enclosed traction electric machine that the embodiment of the present invention provides, comprise rotor 1, stator 2, the first end cap 3, the second end cap 4, also comprise external forced air cooling structure, inner sealing circulation wind cooling structure and be installed on Compound cooling fan 5 on described rotor 1.
Described external forced air cooling structure specifically comprises the first end cap air inlet 301, air inlet duct 302, the second end cap air outlet 401, exhaust passage 402 and stator the first air duct 201.
Wherein, described the first end cap air inlet 301 and air inlet duct 302 are opened on described the first end cap 3; Described the second end cap air outlet 401 and exhaust passage 402 are opened on described the second end cap 4; Described stator the first air duct 201 is opened on described stator 2, and described air inlet duct 302 is connected by described stator the first air duct 201 with described exhaust passage 402.
Described inner sealing circulation wind cooling structure specifically comprises: the first wind chamber 6, the second wind chamber 7, stator the second air duct 202, rotor ventilation road 101 and gap air duct 8.
Wherein, described the first wind chamber 6 is surrounded mutually by described the first end cap 3, described stator 2, described rotor 1 and described Compound cooling fan 5; Described the second wind chamber 7 is surrounded mutually by described the second end cap 4, described stator 2 and described rotor 1; Described stator the second air duct 202 is opened on described stator 2 and is communicated with described the first wind chamber 6 and described the second wind chamber 7, equally, being opened in gap air duct 8 that rotor ventilation road 101 on rotor 1 and described rotor 1 and gap between described stator 2 form also all is connected with the first wind chamber 6, the second wind chamber 7.
Described Compound cooling fan 5 comprises fan wall 501, interior centrifuge blade 503, outer air draught blade 502.
Wherein, described interior centrifuge blade 503 by described fan wall 501 to described the first wind chamber 6 interior extension settings, described outer air draught blade 502, is had between described fan wall 501 ends and described the first end cap 3 and can guarantee that described Compound cooling fan 5 is with the gap of described rotor 1 coaxial rotation to the interior extension setting of described air inlet duct 302 by described fan wall 501.
The compound air-cooled structure of a kind of totally-enclosed traction electric machine that provides in conjunction with the invention described above, its operation principle is as follows: the compound air-cooled structure of using totally-enclosed traction electric machine provided by the invention, traction electric machine is when work, because described Compound cooling fan 5 is installed on described rotor 1, therefore described Compound cooling fan 5 can be with described rotor 1 coaxial rotation, and provides actuating force for the cooling-air in described external forced air cooling structure and described inner sealing circulation wind cooling structure.
described interior centrifuge blade 503 rotates with described Compound cooling fan wall 501, produce centrifugal negative pressure in described the first wind chamber, and make cooling-air in described inner sealing circulation wind cooling structure in described the first wind chamber 6, the second wind chamber 7, stator the second air duct 202, circulate between rotor ventilation road 101 and gap air duct 8, circulating cooling air and traction electric machine stator, rotor carries out heat exchange, and the heat that the traction electric machine running produces is delivered to the first end cap 3 of the described inner sealing circulation wind cooling structure of formation by the mode of heat exchange, the second end cap 4, on stator the second air duct 202 and described Compound cooling fan wall 501, realize that the inner sealing circulated air is cooling.
after cooling through the inner sealing circulated air, surround the first end cap 3 of described inner sealing circulation wind cooling structure, the second end cap 4, the temperature of stator 2 and described Compound cooling fan wall 501 all raises to some extent, described outer air draught blade 502 rotates with Compound cooling fan wall 501, in the interior generation air draught of described air inlet duct 302 negative pressure, the air of outside is sucked in described air inlet duct 302 by described the first end cap air inlet 301, described stator the first air duct 201 of flowing through, exhaust passage 402, and finally flowed out by the second end cap air outlet 401, in this process, cause the first higher end cap 3 of temperature at the cooling middle absorption motor internal heat of inner sealing circulated air, the second end cap 4, cooling-air in stator 2 and Compound cooling fan wall 501 and the described external forced air cooling structure of flowing through carries out heat exchange, heat is taken traction electric machine out of by the cooling-air in the external forced air cooling structure of flowing through.
And then, the internal heat that in the traction electric machine running, loss forms just can be under the actuating force that Compound cooling fan 5 provides, by and cooling-air between heat transfer process, from inside to outside, the loose outside to traction electric machine of row, realize that the inner sealing circulated air of traction electric machine is cooling cooling with external forced air cooling compound wind but gradually.due in above-mentioned whole cooling procedure, the inner sealing circulation wind cooling structure provides enclosure space (in practical application for motor internal, for guaranteeing the rotation of rotor 1, fan wall 501 must leave less gap everywhere near the first end cap 3, yet these gaps are very small on the sealing effect impact of described inner sealing circulation wind cooling structure, can not consider), the outer air draught blade 502 that rotates with rotor 1 simultaneously provides enough cooling air quantities for external forced air cooling, therefore the compound air-cooled structure of this totally-enclosed traction electric machine that provides of the embodiment of the present invention, namely can prevent dust, microparticles etc. enter traction electric machine inside, guarantee the dependability of traction electric machine, simultaneously make again the whole cooling effect of traction electric machine obtain larger improvement, the cooling effect of the existing traction electric machine of its cooling effect is significantly improved.
In addition, the Compound cooling fan 5 that the embodiment of the present invention provides, in it, centrifuge blade 503 and outer air draught blade 502 share same fan wall 501, have saved the installing space of cooling fan, make the structure of whole traction electric machine more succinct, inspection is repaiied in the dismounting of also being convenient to traction electric machine simultaneously.
In the compound air-cooled structure of the totally-enclosed traction electric machine that the invention described above embodiment provides, in order to strengthen further the cooling effect of motor, except external forced air cooling structure and inner sealing circulation wind cooling structure, can also comprise the bearing air-cooled structure, this structure specifically comprises the air-cooled air inlet 403 of bearing, the air-cooled air outlet 404 of bearing, the air-cooled air duct 405 of bearing and is installed on bearing cooling fan 9 on described rotor 1.Described bearing cooling fan 9 comprises bearing cooling fan wall 901 and bearing cooled blade 902, and described bearing cooled blade 902 is arranged to the interior extension of described bearing cooling air channel 405 by described bearing cooling fan wall 901.At this moment, just jointly surround described the second wind chamber 7 by described bearing cooling fan wall 901, described stator 2, described rotor 1 and described the second end cap 4, and the end of described bearing cooling fan wall 901 and 4 of described the second end caps have and can guarantee that described bearing cooling fan 9 is with the gap of described rotor 1 coaxial rotation.The air-cooled air inlet 403 of described bearing, the air-cooled air outlet 404 of bearing and the air-cooled air duct 405 of bearing all are arranged on described the second end cap 4, and the three is interconnected, and the air-cooled air inlet of described bearing 403 and the air-cooled air outlet 404 of described bearing have at least a rotating shaft 11 near described traction electric machine to arrange in both.
The operation principle of described bearing air-cooled structure is as follows: traction electric machine is when operation, bearing cooling fan 9 is with described rotor 1 coaxial rotation, in the interior formation air draught of the air-cooled air duct 405 of bearing negative pressure, extraneous air is sucked in the air-cooled air duct 405 of bearing by the air-cooled air inlet 403 of bearing, and discharge from the cooling air outlet 404 of bearing, in the process that air circulates, and carry out heat exchange between bearing 10, bearing cooling fan wall 901, the second end cap 4 in the bearing air-cooled structure.So, the cooling-air that circulates in the bearing air-cooled structure has not only been realized the wind of bearing 10 cooling, and, as auxiliarily, also can take away part and be delivered to heat on the second end cap 4 and fan wall 901 by motor internal, thereby further improve the whole cooling effect of traction electric machine.
In the compound air-cooled structure of the totally-enclosed traction electric machine that the embodiment of the present invention provides, radiating ribs 15 can also be set on the outer surface of described stator 2, thereby increase the traction electric machine whole surface area, improve area of dissipation and the radiating rate of traction electric machine, preferably, the setting of described radiating ribs 15 evenly can being arranged on the outer surface of described stator 2, thus make the heat radiation on traction electric machine surface more even, and radiating effect is more remarkable.
In the compound air-cooled structure of the totally-enclosed traction electric machine that the invention described above embodiment provides, any one end cap in available the first end cap and the second end cap is as the output end cap of traction electric machine, and another is as the non-output end cap of traction electric machine.Certainly, as required, when power output all can be carried out in motor two ends, two end cap was all as the output end cap.At this, in conjunction with the design feature of traction electric machine comparatively commonly used, preferably, and can be with described the first end cap 3 as being the driving end end cap, described the second end cap 4 is the non-transmision end end cap.Make the setting of described external forced air cooling structure and described inner sealing circulation wind cooling structure more easily realize.
Above content combines the embodiment accompanying drawing specific embodiments of the invention has been made detailed description.In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. the compound air-cooled structure of a totally-enclosed traction electric machine, comprise rotor (1), stator (2), the first end cap (3), the second end cap (4), it is characterized in that, also comprise external forced air cooling structure, inner sealing circulation wind cooling structure and be installed on Compound cooling fan (5) on described rotor (1)
Described external forced air cooling structure comprises:
Be opened in the first end cap air inlet (301) and air inlet duct (302) on described the first end cap (3);
Be opened in the second end cap air outlet (401) and exhaust passage (402) on described the second end cap (4);
Be opened in stator the first air duct (201) on described stator (2), described air inlet duct (302) is connected by described stator the first air duct (201) with described exhaust passage (402),
Described inner sealing circulation wind cooling structure comprises:
The the first wind chamber (6) that is surrounded by described the first end cap (3), described stator (2), described rotor (1) and described Compound cooling fan (5);
At least the second wind chamber (7) that is surrounded mutually by described the second end cap (4), described stator (2) and described rotor (1);
Be opened in described stator (2) and go up and be communicated with stator second air duct (202) in described the first wind chamber (6) and described the second wind chamber (7);
Be opened in described rotor (1) and go up and be communicated with the rotor ventilation road (101) in described the first wind chamber (6) and described the second wind chamber (7);
Described rotor (1) is communicated with the gap air duct (8) in described the first wind chamber (6) and described the second wind chamber (7) with the gap formation between described stator (2),
Described Compound cooling fan (5) comprises fan wall (501), interior centrifuge blade (503), outer air draught blade (502), the interior extension arranges described interior centrifuge blade (503) to described the first wind chamber (6) by described fan wall (501), described outer air draught blade (502) extends setting by described fan wall (501) in described air inlet duct (302), have between described fan wall (501) end and described the first end cap (3) to guarantee that described Compound cooling fan (5) is with the gap of described rotor (1) coaxial rotation.
2. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 1, is characterized in that, also comprises the bearing air-cooled structure, and described bearing air-cooled structure specifically comprises:
Be opened in the air-cooled air inlet of bearing (403) and the air-cooled air outlet of bearing (404) on described the second end cap (4), the air-cooled air inlet of described bearing (403) and the air-cooled air outlet of described bearing (404) have at least a rotating shaft (11) near the compound air-cooled structure of described totally-enclosed traction electric machine to arrange in both;
Be opened on described the second end cap (4), and be communicated with the air-cooled air duct of bearing (405) of the air-cooled air inlet of described bearing (403) and the air-cooled air outlet of described bearing (404);
Be installed on the bearing cooling fan (9) on described rotor (1),
Described bearing cooling fan (9) comprises bearing cooling fan wall (901) and the bearing cooled blade (902) that is arranged to the interior extension of described bearing cooling air channel (405) by bearing cooling fan wall (901),
Described bearing cooling fan wall (901), described stator (2), described rotor (1) and described the second end cap (4) surround described the second wind chamber (7) jointly, have between the end of described bearing cooling fan wall (901) and described the second end cap (4) to guarantee that described bearing cooling fan (9) is with the gap of described rotor (1) coaxial rotation.
3. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 2, it is characterized in that, the air-cooled air inlet of described bearing (403) is near described rotating shaft (11), and the air-cooled air outlet of described bearing (404) the air-cooled air inlet of relatively described bearing (403) is away from described rotating shaft (11).
4. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 1, is characterized in that, also comprises the radiating ribs (12) on the outer surface that is arranged in radially described stator (2).
5. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 4, is characterized in that, described radiating ribs (12) is evenly arranged on the outer surface of described stator (2).
6. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 1, is characterized in that, described the first end cap (3) is the driving end end cap, and described the second end cap (4) is the non-transmision end end cap.
7. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 1, is characterized in that, described the first end cap (3) is the non-transmision end end cap, and described the second end cap (4) is the driving end end cap.
8. the compound air-cooled structure of totally-enclosed traction electric machine according to claim 1, is characterized in that, described the first end cap (3) and the second end cap (4) are the driving end end cap.
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| CN2013100392323A CN103166363A (en) | 2013-01-31 | 2013-01-31 | Composite air cooling system of full sealed traction motor |
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| CN103944303A (en) * | 2014-04-14 | 2014-07-23 | 浙江大学 | Circulating ventilation structure of fully-closed permanent magnet synchronous traction motor |
| WO2015024244A1 (en) * | 2013-08-23 | 2015-02-26 | Regal Beloit America, Inc. | Motor with internal cooling |
| CN105811661A (en) * | 2016-03-31 | 2016-07-27 | 中车永济电机有限公司 | Single-bearing fully-enclosed self-ventilated motor |
| CN105871123A (en) * | 2015-02-06 | 2016-08-17 | 阿尔斯通运输科技公司 | Electric motor with outer radiator and two separate cooling circuits |
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| CN112292802A (en) * | 2018-05-11 | 2021-01-29 | 株式会社日立产业机器 | Rotating electrical machine |
| CN113541381A (en) * | 2021-07-06 | 2021-10-22 | 中车株洲电机有限公司 | Permanent magnet motor and rail locomotive |
| CN113541398A (en) * | 2021-07-14 | 2021-10-22 | 中车株洲电机有限公司 | Permanent magnet motor and rail locomotive |
| CN113541382A (en) * | 2021-07-15 | 2021-10-22 | 中车株洲电机有限公司 | Permanent magnet motor and rail locomotive |
| CN113937953A (en) * | 2021-10-22 | 2022-01-14 | 中车株洲电机有限公司 | Active air supply cooling permanent magnet motor and electric locomotive |
| WO2023097845A1 (en) * | 2021-12-02 | 2023-06-08 | 中车永济电机有限公司 | Totally-enclosed self-ventilated motor cooling structure |
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| WO2015024244A1 (en) * | 2013-08-23 | 2015-02-26 | Regal Beloit America, Inc. | Motor with internal cooling |
| CN103840607A (en) * | 2014-02-10 | 2014-06-04 | 广西三立科技发展有限公司 | Device for cooling chamber of hybrid power motor |
| CN103944303A (en) * | 2014-04-14 | 2014-07-23 | 浙江大学 | Circulating ventilation structure of fully-closed permanent magnet synchronous traction motor |
| CN105871123A (en) * | 2015-02-06 | 2016-08-17 | 阿尔斯通运输科技公司 | Electric motor with outer radiator and two separate cooling circuits |
| CN105871123B (en) * | 2015-02-06 | 2019-11-12 | 阿尔斯通运输科技公司 | Motor with external heat sink and two cooling circuits separated |
| CN105811661A (en) * | 2016-03-31 | 2016-07-27 | 中车永济电机有限公司 | Single-bearing fully-enclosed self-ventilated motor |
| CN106059176A (en) * | 2016-08-12 | 2016-10-26 | 中车永济电机有限公司 | Full-laminated motor engine base with double-circulation air channel |
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| CN106655596B (en) * | 2016-11-21 | 2019-08-02 | 中车永济电机有限公司 | A kind of totally-enclosed machine self-ventilation cooling structure of internal-external double circulation |
| CN112292802B (en) * | 2018-05-11 | 2023-12-08 | 株式会社日立产业机器 | Rotary electric machine |
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| JPWO2020202391A1 (en) * | 2019-03-29 | 2020-10-08 | ||
| JP7174837B2 (en) | 2019-03-29 | 2022-11-17 | 本田技研工業株式会社 | Motor devices, electric power units, and working machines |
| US11967887B2 (en) | 2019-03-29 | 2024-04-23 | Honda Motor Co., Ltd. | Motor apparatus, electric power unit, and working machine |
| CN110429760A (en) * | 2019-07-25 | 2019-11-08 | 中车永济电机有限公司 | A kind of full-enclosed permanent-magnet motor bearings cooling structure equipped with separate space |
| CN110768414A (en) * | 2019-09-26 | 2020-02-07 | 广州地铁集团有限公司 | Cooling structure of permanent magnet motor |
| CN111654143A (en) * | 2020-05-08 | 2020-09-11 | 欧佩德伺服电机节能系统有限公司 | Motor with internal circulation heat dissipation function and forming method thereof |
| CN111654143B (en) * | 2020-05-08 | 2021-06-08 | 欧佩德伺服电机节能系统有限公司 | Motor with internal circulation heat dissipation function and forming method thereof |
| CN113541381A (en) * | 2021-07-06 | 2021-10-22 | 中车株洲电机有限公司 | Permanent magnet motor and rail locomotive |
| CN113541398A (en) * | 2021-07-14 | 2021-10-22 | 中车株洲电机有限公司 | Permanent magnet motor and rail locomotive |
| CN113541382A (en) * | 2021-07-15 | 2021-10-22 | 中车株洲电机有限公司 | Permanent magnet motor and rail locomotive |
| CN113937953A (en) * | 2021-10-22 | 2022-01-14 | 中车株洲电机有限公司 | Active air supply cooling permanent magnet motor and electric locomotive |
| WO2023065404A1 (en) * | 2021-10-22 | 2023-04-27 | 中车株洲电机有限公司 | Active air supply cooling permanent magnet motor and electric locomotive |
| WO2023097845A1 (en) * | 2021-12-02 | 2023-06-08 | 中车永济电机有限公司 | Totally-enclosed self-ventilated motor cooling structure |
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Inventor after: Feng Jianghua Inventor after: Wang Jian Inventor after: Li Huaxiang Inventor after: Fu Minli Inventor after: Zou Yulin Inventor after: Li Yifeng Inventor after: Xin Benyu Inventor before: Wang Jian Inventor before: Li Huaxiang Inventor before: Zou Yulin Inventor before: Li Yifeng Inventor before: Xin Benyu |
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Application publication date: 20130619 |