CN108649749A - A kind of switched reluctance machines with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems - Google Patents
A kind of switched reluctance machines with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems Download PDFInfo
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- CN108649749A CN108649749A CN201810608489.9A CN201810608489A CN108649749A CN 108649749 A CN108649749 A CN 108649749A CN 201810608489 A CN201810608489 A CN 201810608489A CN 108649749 A CN108649749 A CN 108649749A
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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
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Abstract
A kind of switched reluctance machines with water injection type winding and diameter of axle Zhou Duoxiang self-loopa ventilating systems, belong to technical field of motors, and the present invention is high in order to solve the problems, such as existing large capacity switched reluctance machines temperature.Armature spindle is mounted on by bearing on engine base, rotor core is installed on armature spindle, stator core is installed on the inner wall of engine base, stator copper winding is installed in stator core, rotor core is located in stator core and there are installation gaps between the two, the direct-cooled water pipe of stator is located in stator copper winding, the both ends of the direct-cooled water pipe of stator are each passed through engine base and are connected with the entrance and exit of direct-cooled water-driven device, the direct-cooled ventilating duct of rotor is equipped in rotor core, the direct-cooled ventilating duct of stator is equipped in stator core, sheet heat-conducting plate is additionally provided on the inner wall of engine base, sheet heat-conducting plate is corresponding with the direct-cooled water-driven device of the stator outside engine base.It is simple in structure invention enhances the cooling effect of each component in large capacity switched reluctance machines, it is easy to implement.
Description
Technical field
The present invention relates to a kind of reluctance motors, and in particular to one kind having water injection type winding and axis-diameter-Zhou Duoxiang self-loopas
The switched reluctance machines of ventilating system, belong to technical field of motors.
Background technology
Switched reluctance machines have the characteristics that reliability is high, manufacturing cost is low and simple and strong in structure, with other motors
It compares, there is no winding on switch reluctance machine rotor and grows body forever, this makes switched reluctance machines be more suitable for high temperature and height
It is run in the case of speed, switched reluctance machines also have many advantages, such as that starting current is small, detent torque is big.However, with switching magnetic-resistance
Capacity motor is constantly promoted, and the Wen Sheng of Stators for Switched Reluctance Motors iron core and stator copper winding is obviously increased, traditional switch magnetic
Resistance Motor Ventilation Cooling System the heat of each component in motor cannot be distributed in time, cause stator core and stator copper around
The temperature of group sharply increases, and the rated temperature-rise even more than to insulate seriously threatens the safety and stability of large capacity switched reluctance machines
Operation, meanwhile, limit the development of switched reluctance machines high capacity.
In order to effectively take away the heat of Stators for Switched Reluctance Motors copper winding, Stators for Switched Reluctance Motors iron is reduced
Opening with novel water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems may be used in the temperature of the heart and rotor core
Reluctance motor is closed, the heat of stator copper winding can be effectively taken away by the cooling water in stator copper winding inner conduit, hence it is evident that
Ground reduces the temperature of stator copper winding.Utilize Novel shaft in switched reluctance machines-diameter-Zhou Duoxiang self-loopa ventilating and coolings system
System, can accelerate the flowing velocity of cooling gas in stator region and rotor region, increase cooling gas and stator core, turn
The contact area of sub- iron core significantly reduces the temperature of stator core and rotor core, improves the work(of switched reluctance machines
Rate density and reliability ensure that large capacity switched reluctance machines being capable of long-term safety, stable operation.
Invention content
The object of the present invention is to provide a kind of opening with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems
Reluctance motor is closed, to solve the above technical problems.
A kind of switched reluctance machines with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems include stator
Iron core, armature spindle, stator copper winding, the direct-cooled water pipe of stator, the direct-cooled ventilating duct of rotor, the direct-cooled ventilating duct of stator, is determined rotor core
The direct-cooled water-driven device of son, sheet heat-conducting plate, engine base and bearing；
Armature spindle is mounted on by bearing on engine base, and rotor core is equipped on armature spindle, is equipped on the inner wall of engine base
Stator core is equipped with stator copper winding in stator core, and rotor core is located in stator core and there are installations between the two
Gap, the direct-cooled water pipe of stator are located in stator copper winding, and the both ends of the direct-cooled water pipe of stator are each passed through engine base and direct-cooled water-driven
The entrance and exit of device is connected, and the direct-cooled ventilating duct of rotor is equipped in rotor core, it is direct-cooled logical that stator is equipped in stator core
Air duct is additionally provided with sheet heat-conducting plate on the inner wall of engine base, and sheet heat-conducting plate is opposite with the direct-cooled water-driven device of the stator outside engine base
It answers, stator slot is provided in stator core.
Preferably：The direct-cooled ventilating duct of rotor includes the direct-cooled ventilating duct of rotor axial and the direct-cooled ventilating duct of rotor radial, rotor
The yoke portion of iron core offers the direct-cooled ventilating duct of rotor axial and the direct-cooled ventilating duct of rotor radial, the direct-cooled ventilating duct of rotor axial and turns
Sub radial direct-cooled ventilating duct is interconnected.
Preferably：The direct-cooled ventilating duct of stator includes stator teeth axially direct-cooled ventilating duct, stator yoke axially direct-cooled ventilation
The radial direct-cooled ventilating duct of road and stator, axially axially direct-cooled ventilating duct is and stator for direct-cooled ventilating duct and stator yoke for stator teeth
Radial direct-cooled ventilating duct is interconnected, and axially direct-cooled ventilating duct is located at the lower section of stator slot to stator yoke.
Preferably：Stator copper winding is mounted in stator slot, cooling water in the direct-cooled water pipe of stator in all stator copper windings
Flow direction it is identical, the direct-cooled water pipe outer surface of stator is coated with insulated paint, and the section of the direct-cooled water pipe of stator is circle, circular straight
Diameter is 5mm-10mm；The flowing velocity of cooling water is 2m/s-4m/s in the direct-cooled water pipe of stator；The yoke portion of rotor core opens up rotor
The quantity of axial direct-cooled ventilating duct is 1, and the section of the direct-cooled ventilating duct of rotor axial is circle, circular a diameter of 12mm-
22mm。
Preferably：The quantity of the radial direct-cooled ventilating duct of stator is the quantity and stator yoke of the axial direct-cooled ventilating duct of stator teeth
The sum of the quantity of the axial direct-cooled ventilating duct in portion, the direct-cooled ventilating duct of stator and the direct-cooled ventilating duct of rotor are with switched reluctance machines center
Symmetrical centered on section, sheet heat-conducting plate is uniformly distributed along engine base inner surface, and the quantity of sheet heat-conducting plate is 20-30
It is a；The height of sheet heat-conducting plate is equal to or less than the height of stator core yoke.
Preferably：The inlet area of the direct-cooled ventilating duct of rotor axial increases, the area of section of the direct-cooled ventilating duct of rotor axial
In axial direction gradually decrease.
Preferably：Axially radially the junction of direct-cooled ventilating duct is to justify to stator core inner stator for direct-cooled ventilating duct and stator
Angle.
Preferably：Sheet heat-conducting plate is convex.
Preferably：The flow direction of cooling water is opposite in the direct-cooled water pipe of stator in adjacent stator slots.
The present invention has the following effects that compared with existing product：Large capacity Stators for Switched Reluctance Motors iron core, rotor core
More serious with the fever of stator copper winding, the present invention buries water pipe in the stator copper winding of switched reluctance machines, also fixed
The direct-cooled ventilating duct of stator is opened up in sub- iron core, opens up the direct-cooled ventilating duct of rotor in rotor core and utilizes the week of " salient pole " rotor
To turning effort, a kind of switching magnetic-resistance electricity with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems is formd
Machine.The heat that stator copper winding can be effectively taken away by the cooling water in water pipe reduces stator copper axis of winding direction
Thermal stress, it will be apparent that reduce the temperature of stator copper winding.Utilize what is flowed in axis-diameter-Zhou Duoxiang self-loopa ventilating systems
Cooling gas can effectively take away the heat of stator core and rotor core, increase stator core and rotor core surface
Coefficient of heat transfer, reduce the temperature of stator core and rotor core, pass through Novel shaft-diameter-Zhou Duoxiang self-loopa ventilating systems
The temperature of stator copper winding can also be further decreased.It is of the present invention a kind of with water injection type winding and axis-diameter-Zhou Duoxiang
The switched reluctance machines of self-loopa ventilating system can effectively enhance the heat dissipation of stator core, rotor core and stator copper winding
Ability improves the utilization rate of cooling gas in switched reluctance machines, it will be apparent that reduces Stators for Switched Reluctance Motors iron core, turns
The temperature of sub- iron core and stator copper winding improves the cooling capacity and density power of switched reluctance machines, can cut great Rong
The external centrifugal fan for measuring switched reluctance machines, also saves the material of switched reluctance machines electrical steel piece and winding copper,
Cost is reduced, the temperature capacity being effectively improved inside switched reluctance machines.
Description of the drawings
Fig. 1 is a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems of the present invention
The structural schematic diagram of reluctance motor；
Fig. 2 is a kind of switch magnetic with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems of the present invention
Hinder the circumferencial direction sectional view of electric machine stator iron；
Fig. 3, which is one kind described in the specific embodiment of the invention two, has water injection type winding and axis-diameter-Zhou Duoxiang self-loopas
The axial directional cross sectional view of the switched reluctance machines of ventilating system；
Fig. 4, which is one kind described in the specific embodiment of the invention three, has water injection type winding and axis-diameter-Zhou Duoxiang self-loopas
The circumferencial direction sectional view of the Stators for Switched Reluctance Motors iron core of ventilating system；
Fig. 5, which is one kind described in the specific embodiment of the invention four, has water injection type winding and axis-diameter-Zhou Duoxiang self-loopas
The axial directional cross sectional view of the switched reluctance machines of ventilating system；
Fig. 6, which is one kind described in the specific embodiment of the invention five, has water injection type winding and axis-diameter-Zhou Duoxiang self-loopas
The axial directional cross sectional view of the switched reluctance machines of ventilating system.
In figure：1- stator cores；2- rotor cores；3- armature spindles；4- stator copper windings；The direct-cooled water pipe of 5- stators；6- turns
The direct-cooled ventilating duct of son；The direct-cooled ventilating duct of 7- rotors；The direct-cooled water-driven device of 8- stators；9- sheet heat-conducting plates；10- engine bases；11- axis
It holds.
Specific implementation mode
The preferred embodiment of the present invention is elaborated below according to attached drawing.
Specific implementation mode one, as depicted in figs. 1 and 2, arrow show a kind of with water injection type winding and axis-in figure
The flow direction of cooling gas in the switched reluctance machines of diameter-Zhou Duoxiang self-loopa ventilating systems.A kind of tool of the present invention
It includes stator core 1, rotor core to have water injection type winding and the switched reluctance machines of axis-diameter-Zhou Duoxiang self-loopa ventilating systems
2, armature spindle 3, stator copper winding 4, the direct-cooled water pipe 5 of stator, the direct-cooled ventilating duct 6 of rotor, the direct-cooled ventilating duct 7 of stator, stator are direct-cooled
Water-driven device 8, sheet heat-conducting plate 9, engine base 10 and bearing 11；
Armature spindle 3 is mounted on by bearing 11 on engine base 10, and rotor core 2, the inner wall of engine base 10 are equipped on armature spindle 3
On stator core 1 is installed, stator copper winding 4 is installed, rotor core 2 is located in stator core 1 and the two in stator core 1
Between there are installation gap, the direct-cooled water pipe 5 of stator is located in stator copper winding 4, and the both ends of the direct-cooled water pipe of stator 5 are each passed through machine
Seat 10 is connected with the entrance and exit of direct-cooled water-driven device 8, and the direct-cooled ventilating duct 6 of rotor, stator iron are equipped in rotor core 2
Be equipped with the direct-cooled ventilating duct 7 of stator in the heart 1, be additionally provided with sheet heat-conducting plate 9 on the inner wall of engine base 1, sheet heat-conducting plate 9 with outside engine base 1
The direct-cooled water-driven device 8 of stator it is corresponding, be provided with stator slot in stator core 1.
Further：The direct-cooled ventilating duct 6 of rotor includes the direct-cooled ventilating duct 6-1 of the rotor axial and direct-cooled ventilating duct 6- of rotor radial
2, the yoke portion of rotor core 2 offers the direct-cooled ventilating duct 6-1 of rotor axial and the direct-cooled ventilating duct 6-2 of rotor radial, rotor axial
The direct-cooled ventilating duct 6-1 and direct-cooled ventilating duct 6-2 of rotor radial is interconnected.
Further：The direct-cooled ventilating duct 7 of stator includes that axially direct-cooled ventilating duct 7-1, stator yoke are axially direct-cooled for stator teeth
The radial direct-cooled ventilating duct 7-3 of ventilating duct 7-2 and stator, axially direct-cooled ventilating duct 7-1 and stator yoke are axially direct-cooled for stator teeth
Ventilating duct 7-2 and stator radially direct-cooled ventilating duct 7-3 is interconnected, axially direct-cooled ventilating duct 7-2 is located at stator to stator yoke
The lower section of slot.
Further：Stator copper winding 4 is mounted in stator slot, cooling in the direct-cooled water pipe 5 of stator in all stator copper windings 4
The flow direction of water is identical, and direct-cooled 5 outer surface of water pipe of stator is coated with insulated paint, and the section of the direct-cooled water pipe of stator 5 is circle, round
A diameter of 5mm-10mm；The flowing velocity of cooling water is 2m/s-4m/s in the direct-cooled water pipe 5 of stator；Rotor core 2 is salient pole knot
Structure, it is 1 that the yoke portion of rotor core 2, which opens up the quantity of the direct-cooled ventilating duct 6-1 of rotor axial, the direct-cooled ventilating duct 6-1 of rotor axial
Section be circle, circular a diameter of 12mm-22mm.
Further：Stator radially direct-cooled ventilating duct 7-3 quantity be stator teeth axially the quantity of direct-cooled ventilating duct 7-1 and
The sum of the quantity of the axial direct-cooled ventilating duct 7-2 of stator yoke, the direct-cooled ventilating duct 7 of stator and the direct-cooled ventilating duct of rotor 6 are with switch
Symmetrical centered on reluctance motor central cross-section, sheet heat-conducting plate 9 is uniformly distributed along 10 inner surface of engine base, sheet heat-conducting plate 9
Quantity be 20-30；The height of sheet heat-conducting plate 9 is equal to or less than the height of 1 yoke of stator core.
Install the direct-cooled water pipe 5 of stator that outer surface is coated with insulated paint additional in stator copper winding 4, meanwhile, existing solid fixed
The direct-cooled ventilating duct 7 of stator and the direct-cooled ventilating duct 6 of rotor are opened up in sub- iron core and solid rotor iron core respectively, constituting has water injection type
The switched reluctance machines of winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems.Pass through the direct-cooled water pipe of stator in stator copper winding 45
Interior cooling water can directly take away the heat of stator copper winding 4, it will be apparent that reduce the temperature and axial direction of stator copper winding 4
Thermal stress, direct-cooled 5 outer surface of water pipe of stator, which is coated with insulated paint, can effectively increase the direct-cooled water pipe of stator 5 and stator copper winding
4 contact area increases the radiating efficiency of stator copper winding 4, by the adjusting of cooling water speed in the direct-cooled water pipe of stator 5,
The Wen Sheng of switched reluctance machines stator copper winding 4 under different operating modes can be effectively inhibited；Utilize switched reluctance machines salient pole
The turning effort of rotor, the cooling gas flowing of driving switch reluctance motor inside, it is radially direct-cooled logical that cooling gas first reaches stator
Air duct 7-3, then the stator teeth axially axial direct-cooled ventilating duct 7-2 of direct-cooled ventilating duct 7-1 and stator yoke is reached, pass through stator iron
The cooling effect of 1 internal gas of the heart, it will be apparent that reduce the temperature of stator core 1, the heat for reducing 1 axial direction of stator core is answered
Power, 1 inside cooling gas of stator core can also further decrease the temperature of stator copper winding 4 by the teeth portion of stator core 1,
Sheet heat-conducting plate 9 is reached from the stator yoke cooling gas that axially the direct-cooled outlets ventilating duct 7-2 are flowed out, the heat of cooling gas can
Fully to be taken away by sheet heat-conducting plate 9, the heat of sheet heat-conducting plate 9 is further through the cooling in the direct-cooled water pipe of stator in engine base 5
Water is taken away, and the temperature of cooling gas in switched reluctance machines is significantly reduced, and reduces the cooling gas after temperature and reaches rotor
Axial direct-cooled ventilating duct 6-1, enters back into the direct-cooled ventilating duct 6-2 of rotor radial, it will be apparent that improve the table inside rotor core 2
Face coefficient of heat transfer significantly reduces the temperature of rotor core 2, the cooling gas come out from the direct-cooled ventilating duct 6-2 of rotor radial
Air gap between stator core 1 and rotor core 2 is entered back into, stator radially direct-cooled ventilating duct 7-3 is finally entered, completes cooling gas
Cycle.Further, since the salient-pole structure of switch reluctance machine rotor, drives cooling gas circumferential movement, adds when rotor rotates
The flowing velocity of cooling gas, improves stator core 1 and rotor core 2 around fast 2 surface of stator core 1 and rotor core
The surface coefficient of heat transfer of outer surface further reduced the temperature of stator core 1 and rotor core 2, be effectively improved switch
Temperature capacity inside reluctance motor.
Specific implementation mode two：Embodiment is described with reference to Fig. 3, the difference of present embodiment and embodiment one
It is that the inlet area of the direct-cooled ventilating duct 6-1 of rotor axial increases, inlet area 130mm2~400mm2, rotor axial is direct-cooled
The area of section of ventilating duct 6-1 in axial direction gradually decreases, and can increase the fluid flow for entering rotor core 2, accelerates
The circulation rate of cooling gas, improves the utilization rate of cooling gas, reduces switched reluctance machines in switched reluctance machines
Inner stator cores 1, the temperature of rotor core 2 and stator copper winding 3.Other compositions and connection relation and one phase of embodiment
Together.
Specific implementation mode three：Embodiment is described with reference to Fig. 4, the difference of present embodiment and embodiment one
It is that the quantity of the direct-cooled ventilating duct of stator in stator core 17 is increased, enhances the cooling effect in 1 yoke portion of stator core,
1 interior surface coefficient of heat transfer of stator core is improved, the ability that cooling gas takes away 1 heat of stator core is effectively improved,
It further reduced the temperature of stator core 1.Other compositions and connection relation are identical as embodiment one.
Specific implementation mode four：The difference of present embodiment that embodiment is described with reference to Fig.5, and embodiment one
It is that the junction of the axial radial direct-cooled ventilating duct 7-2 of direct-cooled ventilating duct 7-1 and stator of 1 inner stator of stator core is fillet, subtracts
Small draft loss of the cooling gas in stator core 1, accelerates the circulation rate of cooling gas in switched reluctance machines, into
One step reduces the temperature of stator core 1.Other compositions and connection relation are identical as embodiment one.
Specific implementation mode five：The difference of present embodiment that embodiment is described with reference to Fig.6, and embodiment one
It is that sheet heat-conducting plate 9 is convex, increases the contact area of cooling gas and sheet heat-conducting plate 9, can effectively take away
The heat of cooling gas in switched reluctance machines further reduced the temperature of stator core 1, rotor core 2 and stator copper winding 4
Degree.Other compositions and connection relation are identical as embodiment one.
Specific implementation mode six：Present embodiment is with embodiment one the difference is that stator is straight in adjacent stator slots
The flow direction of cooling water is opposite in cold water pipe 5 so that the temperature of stator region is in axial direction distributed more uniformly across, and is reduced
The thermal stress of stator region axial direction, further reduced the temperature of stator core 1 and stator copper winding 4.Other compositions
And connection relation is identical as embodiment one.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of switched reluctance machines with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems, feature exist
In：It is straight including stator core (1), rotor core (2), armature spindle (3), stator copper winding (4), the direct-cooled water pipe of stator (5), rotor
Cold ventilating duct (6), the direct-cooled ventilating duct of stator (7), the direct-cooled water-driven device (8) of stator, sheet heat-conducting plate (9), engine base (10) and
Bearing (11)；
The armature spindle (3) is mounted on by bearing (11) on engine base (10), and rotor core (2), machine are equipped on armature spindle (3)
Stator core (1) is installed on the inner wall of seat (10), stator copper winding (4), rotor core (2) are installed in stator core (1)
In stator core (1) and between the two there are installation gap, the direct-cooled water pipe of stator (5) is located in stator copper winding (4), fixed
The both ends of the direct-cooled water pipe (5) of son are each passed through engine base (10) and are connected with the entrance and exit of direct-cooled water-driven device (8), rotor
Be equipped with the direct-cooled ventilating duct of rotor (6) in iron core (2), be equipped with the direct-cooled ventilating duct of stator (7) in stator core (1), engine base (1) it is interior
Sheet heat-conducting plate (9) is additionally provided on wall, sheet heat-conducting plate (9) is opposite with the direct-cooled water-driven device (8) of the stator of engine base (1) outside
It answers, stator core is provided with stator slot on (1).
2. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 1
Reluctance motor, it is characterised in that：The direct-cooled ventilating duct of rotor (6) includes the direct-cooled ventilating duct of rotor axial (6-1) and rotor diameter
To direct-cooled ventilating duct (6-2), the yoke portion of rotor core (2) offers the direct-cooled ventilating duct of rotor axial (6-1) and rotor radial is straight
Cold ventilating duct (6-2), the direct-cooled ventilating duct of rotor axial (6-1) and the direct-cooled ventilating duct of rotor radial (6-2) are interconnected.
3. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 1
Reluctance motor, it is characterised in that：The direct-cooled ventilating duct of stator (7) includes stator teeth axially direct-cooled ventilating duct (7-1), stator
The axial radial direct-cooled ventilating duct (7-3) of direct-cooled ventilating duct (7-2) and stator in yoke portion, the axial direct-cooled ventilating duct (7-1) of stator teeth
With stator yoke axially direct-cooled ventilating duct (7-2) and stator radially direct-cooled ventilating duct (7-3) be interconnected, stator yoke axial direction
Direct-cooled ventilating duct (7-2) is located at the lower section of stator slot.
4. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 2
Reluctance motor, it is characterised in that：The stator copper winding (4) is mounted in stator slot, stator in all stator copper windings (4)
The flow direction of the interior cooling water of direct-cooled water pipe (5) is identical, and the direct-cooled water pipe of stator (5) outer surface is coated with insulated paint, the direct-cooled water of stator
The section for managing (5) is circle, circular a diameter of 5mm-10mm；The flowing velocity of the direct-cooled water pipe of stator (5) interior cooling water is 2m/
s-4m/s；The quantity that the yoke portion of rotor core (2) opens up the direct-cooled ventilating duct of rotor axial (6-1) is 1, and rotor axial is direct-cooled logical
The section in air duct (6-1) is circle, circular a diameter of 12mm-22mm.
5. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 3
Reluctance motor, it is characterised in that：The quantity of the radial direct-cooled ventilating duct (7-3) of the stator is the axial direct-cooled ventilating duct of stator teeth
The sum of the quantity of the axial direct-cooled ventilating duct (7-2) of the quantity and stator yoke of (7-1), the direct-cooled ventilating duct of stator (7) and rotor are straight
Cold ventilating duct (6) is symmetrical centered on switched reluctance machines central cross-section, and sheet heat-conducting plate (9) is along engine base (10) interior table
Face is uniformly distributed, and the quantity of sheet heat-conducting plate (9) is 20-30；The height of sheet heat-conducting plate (9) is equal to or less than stator
The height of iron core (1) yoke.
6. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 2
Reluctance motor, it is characterised in that：The inlet area of the direct-cooled ventilating duct of the rotor axial (6-1) increases, and rotor axial is direct-cooled
The area of section of ventilating duct (6-1) in axial direction gradually decreases.
7. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 3
Reluctance motor, it is characterised in that：Axially direct-cooled ventilating duct (7-1) and stator are radially direct-cooled for described stator core (1) inner stator
The junction of ventilating duct (7-2) is fillet.
8. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 1
Reluctance motor, it is characterised in that：The sheet heat-conducting plate (9) is convex.
9. a kind of switch with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems according to claim 1
Reluctance motor, it is characterised in that：The flow direction of the direct-cooled water pipe of stator (5) interior cooling water is opposite in the adjacent stator slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608489.9A CN108649749B (en) | 2018-06-13 | 2018-06-13 | Switched reluctance motor with water injection type winding and multidirectional self-circulation ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608489.9A CN108649749B (en) | 2018-06-13 | 2018-06-13 | Switched reluctance motor with water injection type winding and multidirectional self-circulation ventilation system |
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| Publication Number | Publication Date |
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| CN108649749A true CN108649749A (en) | 2018-10-12 |
| CN108649749B CN108649749B (en) | 2020-03-03 |
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| CN201810608489.9A Active CN108649749B (en) | 2018-06-13 | 2018-06-13 | Switched reluctance motor with water injection type winding and multidirectional self-circulation ventilation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802524A (en) * | 2019-03-21 | 2019-05-24 | 哈尔滨理工大学 | A kind of Wound brushless double-feeding motor with novel cooling structure |
| WO2020176572A1 (en) * | 2019-02-28 | 2020-09-03 | Schaeffler Technologies AG & Co. KG | Electric machine with internal cooling passageways |
| CN113346678A (en) * | 2021-06-09 | 2021-09-03 | 哈尔滨理工大学 | Hybrid excitation turbogenerator with multi-stage axial flow-centrifugal ventilation cooling system |
| JP2021170877A (en) * | 2020-04-16 | 2021-10-28 | 三菱電機株式会社 | Rotary electric machine |
| WO2022110748A1 (en) * | 2020-11-25 | 2022-06-02 | 华为数字能源技术有限公司 | Motor, power assembly and apparatus |
| JP7468591B1 (en) | 2022-09-29 | 2024-04-16 | 株式会社明電舎 | Cooling structure for rotating electric machine and rotating electric machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020176572A1 (en) * | 2019-02-28 | 2020-09-03 | Schaeffler Technologies AG & Co. KG | Electric machine with internal cooling passageways |
| US11056952B2 (en) * | 2019-02-28 | 2021-07-06 | Schaeffler Technologies AG & Co. KG | Electric machine with internal cooling passageways |
| CN109802524A (en) * | 2019-03-21 | 2019-05-24 | 哈尔滨理工大学 | A kind of Wound brushless double-feeding motor with novel cooling structure |
| JP2021170877A (en) * | 2020-04-16 | 2021-10-28 | 三菱電機株式会社 | Rotary electric machine |
| WO2022110748A1 (en) * | 2020-11-25 | 2022-06-02 | 华为数字能源技术有限公司 | Motor, power assembly and apparatus |
| CN113346678A (en) * | 2021-06-09 | 2021-09-03 | 哈尔滨理工大学 | Hybrid excitation turbogenerator with multi-stage axial flow-centrifugal ventilation cooling system |
| CN113346678B (en) * | 2021-06-09 | 2022-06-07 | 哈尔滨理工大学 | Hybrid excitation turbogenerator with multistage axial flow-centrifugal ventilation cooling system |
| JP7468591B1 (en) | 2022-09-29 | 2024-04-16 | 株式会社明電舎 | Cooling structure for rotating electric machine and rotating electric machine |
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