CN108471182A - A kind of switched reluctance machines of the interior setting liquid cooling pipeline of winding slot - Google Patents
A kind of switched reluctance machines of the interior setting liquid cooling pipeline of winding slot Download PDFInfo
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- CN108471182A CN108471182A CN201810554192.9A CN201810554192A CN108471182A CN 108471182 A CN108471182 A CN 108471182A CN 201810554192 A CN201810554192 A CN 201810554192A CN 108471182 A CN108471182 A CN 108471182A
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- stator core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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Abstract
The invention discloses the switched reluctance machines that liquid cooling pipeline is arranged in a kind of winding slot, belong to switched reluctance machines field.The motor includes stator core, rotor core, winding, liquid cooling pipeline, and the stator core includes m salient pole, and winding slot is formed between the adjacent salient pole of stator core, and rotor core includes n salient pole；Wherein, m≤n, and n >=8, stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n；Winding forms accommodating space, liquid cooling pipeline is interspersed in each accommodating space around on the salient pole of stator core and winding slot certain space is occupied between the winding on stator core Adjacent salient poles.It is identical in the salient pole arc angle and umber of turn designed with conventional method, the present invention is by reducing salient stator number of poles, to increase coiling slot space, so that liquid cooling pipeline is arranged in winding slot, liquid cooling pipeline carries out heat exchange directly inside motor close to winding, to improve liquid cooling effect.
Description
【Technical field】
The present invention relates to a kind of switching magnetic-resistances of setting liquid cooling pipeline in switched reluctance machines field more particularly to winding slot
Motor.
【Background technology】
Existing fluid-cooled electrical machine generally by liquid cooling pipeline be arranged on motor casing, it is therefore an objective to reduce winding temperature, avoid around
Organized heat damage winding insulation layer, but due to winding inside motor and liquid cooling pipeline is located at outside motor, winding heat need
Liquid cooling medium is transferred to by stator core, motor casing, heat transfer rate and efficiency are undesirable.In order to further strengthen heat dissipation
Effect, current existing imagination liquid cooling pipeline being arranged inside motor.Liquid cooling pipeline is set inside motor, and position only has two
A selection, when stator core yoke portion, first, stator core winding slot.For the same stator core of outer diameter, internal diameter value,
Under same nominal parameter requires, when liquid cooling pipeline is arranged in stator core yoke portion, liquid cooling pipeline occupies certain space, and makes
Yoke portion inner space is discontinuous, influences the magnetic conduction effect in yoke portion.It is common fixed when liquid cooling pipeline is arranged in stator core winding slot
The sectional area of sub- winding slot, which is only capable of meeting, places winding, places liquid cooling pipeline and needs to reduce the number of turns of winding, makes the armature of motor
Power is reduced.Therefore, existing design of electrical motor theory is difficult to reconcile above-mentioned technical contradiction, this is also that motor on the market is general
All over liquid cooling pipeline to be arranged to the reason in motor casing.A kind of seemingly common recognition is arranged in motor casing in liquid cooling pipeline, even
A kind of habitual Design Thinking is become.Under the guidance of existing liquid cooling switched reluctance machines habituation thinking herein, and will
Liquid cooling pipeline is arranged on motor casing.
In consideration of it, how liquid cooling pipeline to be arranged inside motor, the speed and efficiency of heat transfer are improved, and do not influence yoke portion
Magnetic conduction, and ensure that winding has enough installation spaces, be the existing switched reluctance machines technical issues that need to address.
【Invention content】
In order to improve the deficiencies in the prior art, the object of the present invention is to provide opening for liquid cooling pipeline is arranged in a kind of winding slot
Reluctance motor is closed, in the identical situation of the salient pole arc angle and umber of turn value designed with traditional design method, the present invention passes through
Stator salient poles quantity is reduced, to increase coiling slot space so that liquid cooling pipeline is set in winding slot and is possibly realized, liquid cooling
Pipeline carries out heat exchange directly inside motor close to winding, to improve liquid cooling heat transfer rate and efficiency.
The present invention be solve its technical problem and the technical solution adopted is that：
A kind of switched reluctance machines of the interior setting liquid cooling pipeline of winding slot, including stator core, rotor core, winding, liquid
Cold pipeline, the stator core include forming coiling between circumferentially spaced m salient pole, the adjacent salient pole of stator core
Slot, it is slot arc angle that the circular arc of single winding slot, which grows shared angle on entire stator core circumference, and the rotor core includes
Around circumferentially spaced n salient pole；Wherein, the circular arc of m≤n, and n >=8, the single salient pole of stator core are grown entirely fixed
Shared angle, that is, salient pole arc angle is a on sub- iron core circumference, 84 °/n≤a≤132 °/n；The winding is around mounted in the stator iron
On the salient pole of core and the certain space of winding slot is occupied, forms accommodating space between the winding on stator core Adjacent salient poles, institute
Liquid cooling pipeline is stated to be interspersed in each accommodating space.
In the present invention, the motor can be the equal pole structure switch magnetic resistance motor of axial cloth, and number of phases q, q >=3 are simultaneously
Natural number, it includes k stator core, k rotor core, winding, liquid cooling pipelines, k=q, and each stator core includes around week
To spaced m salient pole, winding slot is formed between adjacent salient pole；Each rotor iron core salient pole number is n, m=n >=8, m,
N is even number natural number, and each stator core Adjacent salient poles angle is 360 °/n, and k stator core and k rotor core are along motor
Axial distribution in pairs, k stator core salient pole alignment installation, k rotor iron core salient pole arranged in dislocation simultaneously form alternate mechanical angle,
Alternate mechanical angle is 360 °/qn；Each stator core salient pole arc angle is a, 84 °/n≤a≤132 °/n；Each stator core slot arc
Angle is b, b=360 °/m-a；The winding is adjacent fixed around on the salient pole of stator core and occupying the certain space of winding slot
Accommodating space is formed between winding on sub- iron core salient pole, the accommodating space face on k stator core, the appearance per k face
A holding channel is formed between emptying, the liquid cooling pipeline is interspersed in each holding channel.
In the present invention, the motor can be the switched reluctance machines of each phase salient pole centralized arrangement, and number of phases q, q >=3 are simultaneously
For natural number, it includes 1 stator core, 1 rotor core, winding, liquid cooling pipelines, and the stator core includes between circumferential direction
Winding slot is formed between m salient pole of setting, adjacent salient pole, the salient pole number of rotor core is n, and m ＜ n >=14, m, n are certainly
So number；The salient pole of the stator core divides j group centralized arrangements, that is, organizes the extremely same phase salient pole of convex, j >=2 and be natural number, group
Convex number of poles is z, z >=2 and be natural number, and stator core salient pole number is m=jqz, rotor iron core salient pole number n=j (qz+1),
Adjacent salient poles angle is 360 °/n in the stator core group, and adjacent sets angle is 360 °/jq；The stator core salient pole arc angle
For a, 84 °/n≤a≤132 °/n；The stator core group inside groove arc angle be b1, b1=360 °/n-a；The stator core is adjacent
Between group slot arc angle be b2, b2=720 °/m-360 °/n-a；The winding is on the salient pole mounted in the stator core and occupies
Winding slot certain space forms accommodating space between the adjacent sets of stator core, and the liquid cooling pipeline is interspersed in each accommodating sky
In.
In the present invention, the motor can be each phase salient pole centralized arrangement switching magnetic-resistance magneto, the number of phases q, q >=
2 and be natural number, it includes 1 stator core, 1 rotor core, winding, liquid cooling pipelines, and stator core includes between circumferential direction
Forming winding slot between m salient pole of setting, adjacent salient pole, the permanent-magnet magnetic number of poles of the rotor core is n, m ＜ n >=
10, m, n is even number natural number；The stator core salient pole divides j group centralized arrangements, that is, organizes the extremely same phase salient pole of convex, j >=2
And be natural number, group convex number of poles is z, z >=2 and be natural number, and the salient pole number of stator core is m=jqz, rotor core
Permanent-magnet magnetic number of poles n=j (qz+1), Adjacent salient poles angle is 360 °/n in the stator core group, adjacent sets angle is 360 °/
jq；The stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n；The stator core group inside groove arc angle is b1, b1=
360°/n-a；Between the stator core adjacent sets slot arc angle be b2, b2=720 °/m-360 °/n-a；The winding around mounted in
On the salient pole of the stator core and the certain space of winding slot is occupied, accommodating space is formed between the adjacent sets of stator core,
The liquid cooling pipeline is interspersed in each accommodating space.
In the present invention, the motor can be the mixing cloth phase switch reluctance motor of each phase salient pole centralized arrangement, and the number of phases is
Q, q >=4 and be even number, it includes k stator core, k rotor core, winding, liquid cooling pipeline, k >=2 and be natural number, q/k
For natural number；Each stator core includes forming winding slot between circumferentially spaced m salient pole, adjacent salient pole；Often
A rotor iron core salient pole number is n, and m ＜ n >=10, m, n are natural number；Each stator core salient pole divides j group centralized arrangements, i.e., in group
Salient pole is same phase salient pole, j >=2 and be natural number, and group convex number of poles is z, z >=2 and be natural number；Each stator core
Salient pole number is m=jqz/k, and the salient pole number of each rotor core is n=j (qz/k+1), Adjacent salient poles in the stator core group
Angle is 360 °/n, and adjacent sets angle is 360 ° of k/jq；The salient pole arc angle of each stator core is a, 84 °/n≤a≤132 °/n；
The stator core group inside groove arc angle be b1, b1=360 °/n-a；Slot arc angle is b2, b2=between the stator core adjacent sets
720°/m-360°/n-a；K stator core and k rotor core are along the axial distribution in pairs of motor, k stator core salient pole pair
Neat installation, k rotor iron core salient pole arranged in dislocation simultaneously form alternate mechanical angle, and alternate mechanical angle is 360 °/qn；The winding around
On the salient pole of the stator core and the certain space of winding slot is occupied, forms accommodating sky between the adjacent sets of stator core
Between, the accommodating space face on k stator core, the accommodating space per k face forms a holding channel, the liquid cooling pipe
Road is interspersed in each holding channel.
Above-mentioned motor in specific application, it is highly preferred that stator core salient pole arc length >=10mm.
Above-mentioned motor in specific application, it is highly preferred that 96 °/n≤a≤120 °/n.
Above-mentioned motor in specific application, it is highly preferred that the liquid cooling pipeline be continuously interspersed in successively in order it is each accommodating
In space and form 1 inlet and 1 liquid outlet stretching outside motor.
Above-mentioned motor in specific application, it is highly preferred that stator core encapsulated epoxy resin glue package winding and liquid
Cold pipeline.
The principle of the present invention is：It is m for stator core salient pole number, the switched reluctance machines that rotor iron core salient pole number is n,
Traditional design method determines stator salient poles arc angle by selecting pole embrace, for stator core salient pole arc angle and slot arc angle
Conversion formula is not summarized.For the ease of setting liquid cooling pipeline in winding slot, it is necessary to find and increase winding slot arc angle
Method, therefore the present invention summarizes stator core salient pole arc angle and the conversion formula of slot arc angle, the present invention defines stator
Iron core salient pole arc angle is a, slot arc angle is b (or b1, b2), 84 °/n≤a≤132 °/n, electric for the Conventional switched reluctance of m ＞ n
Machine, b=360 ° of slot arc angle/m-a；Pole structure switch magnetic resistance motor equal for the axial cloth of m=n, b=360 ° of slot arc angle/m-
a；For the switching magnetic-resistance Permanent Magnet and Electric of the switched reluctance machines of each phase salient pole centralized arrangement of m ＜ n, each phase salient pole centralized arrangement
The mixing cloth phase switch reluctance motor of machine, each phase salient pole centralized arrangement, stator core group inside groove arc angle be b1, b1=360 °/n-
A, slot arc angle is b2 between stator core adjacent sets, b2=720 °/m-360 °/n-a.Due to scheme difference, m, n value are different,
Compare for ease of calculation, each scheme can be converted the same n values and be compared, i.e., in same stator core salient pole arc angle
In the case of be compared, the stator core slot arc angle that the present invention designs is obtained relative to the stator core slot arc angle that conventional method designs
Increase is arrived, then increased slot cross-section product can be used for that liquid cooling pipeline is arranged.
Due to the adoption of the above technical scheme, beneficial effects of the present invention are：The invention discloses be arranged in a kind of winding slot
The switched reluctance machines of liquid cooling pipeline, by the way that liquid cooling pipeline is arranged in slot, liquid cooling pipeline is directly inside motor close to winding
Heat exchange is carried out, to improve liquid cooling heat transfer rate and efficiency.
【Description of the drawings】
Fig. 1 is a kind of planar structure schematic diagram of the equal pole structure switch magnetic resistance motor of axial direction cloth of the present invention.
Fig. 2 is a kind of dimensional structure diagram of the equal pole structure switch magnetic resistance motor of axial direction cloth of the present invention.
Fig. 3 is a kind of planar structure schematic diagram of the switched reluctance machines of each phase salient pole centralized arrangement of the present invention.
Fig. 4 is a kind of planar structure schematic diagram of the switching magnetic-resistance magneto of each phase salient pole centralized arrangement of the present invention.
Fig. 5 is a kind of planar structure signal of the mixing cloth phase switch reluctance motor of each phase salient pole centralized arrangement of the present invention
Figure.
Fig. 6 is a kind of stereochemical structure signal of the mixing cloth phase switch reluctance motor of each phase salient pole centralized arrangement of the present invention
Figure.
It marks and is meant that in figure：10- stator cores, 11- winding slots, 12- salient poles, 20- rotor cores, 30- windings,
40- liquid cooling pipelines.
【Specific implementation mode】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it below by way of specific embodiment and ties
Attached drawing 1-6 is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to
It explains the present invention, is not intended to limit the present invention.
In the present invention, the circular arc of single winding slot is grown into shared angle on entire stator core circumference and is defined as slot arc
The circular arc of the single salient pole of stator core is grown shared angle on entire stator core circumference and is defined as salient pole arc angle by angle.
Disclosed by the invention is a kind of switched reluctance machines of the interior setting liquid cooling pipeline of winding slot, which includes stator iron
Core, rotor core, winding, liquid cooling pipeline, the stator core include around circumferentially spaced m salient pole, stator core phase
Winding slot is formed between adjacent salient pole, the rotor core includes around circumferentially spaced n salient pole；In order in winding slot
The liquid cooling pipeline of interior setting sectional area bigger and the number of turns for not influencing winding, technical scheme of the present invention require m≤n, and n >=8,
The present invention further define stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n；On this basis so that stator iron
The salient pole arc angle of core is more reasonable, and the salient pole number of stator core is also less, concedes the area of bigger to place liquid cooling pipeline.This hair
Bright winding is on the salient pole mounted in the stator core and occupies the certain space of winding slot, on stator core Adjacent salient poles
Accommodating space is formed between winding, the liquid cooling pipeline is interspersed in each accommodating space.More preferably, liquid cooling pipeline is in accommodating space
It is to intert each accommodating space successively in order when interior interspersed.
On above-mentioned theory, in some embodiments of the present invention, the motor can be the equal pole structure of axial cloth
Switched reluctance machines, number of phases q, q >=3 and be natural number, it includes k stator core, k rotor core, winding, liquid cooling pipes
Road, k=q, each stator core include forming winding slot between circumferentially spaced m salient pole, adjacent salient pole；Each
Rotor iron core salient pole number is n, m=n >=8, and m, n are even number natural number, and each stator core Adjacent salient poles angle is 360 °/n, k
A stator core and k rotor core are along the axial distribution in pairs of motor, k stator core salient pole alignment installation, k rotor core
Salient pole arranged in dislocation simultaneously forms alternate mechanical angle, and alternate mechanical angle is 360 °/qn；Each stator core salient pole arc angle is a, 84 °/
n≤a≤132°/n；The winding is around on the salient pole of stator core and occupying the certain space of winding slot, adjacent stators iron
Accommodating space is formed between winding on core salient pole, the accommodating space face on k stator core, the accommodating sky per k face
Between form a holding channel, the liquid cooling pipeline is interspersed in each holding channel.Above-mentioned motor in specific application, liquid cooling pipe
The quantity in road can be multiple, and each liquid cooling pipeline extends through a holding channel.The quantity of liquid cooling pipeline may be 1
It is a, it is interspersed in successively in each holding channel in order.
On above-mentioned theory, in some embodiments of the present invention, the motor can be each phase salient pole centralized arrangement
Switched reluctance machines, number of phases q, q >=3 and be natural number, it includes 1 stator core, 1 rotor core, winding, liquid coolings
Pipeline, the stator core include that winding slot, rotor iron are formed between circumferentially spaced m salient pole, adjacent salient pole
The salient pole number of core is n, and m ＜ n >=14, m, n are natural number；The salient pole of the stator core divides j group centralized arrangements, that is, organizes interior salient pole
For same phase salient pole, j >=2 and be natural number, group convex number of poles is z, z >=2 and be natural number, and stator core salient pole number is m
=jqz, rotor iron core salient pole number n=j (qz+1), Adjacent salient poles angle is 360 °/n, adjacent sets folder in the stator core group
Angle is 360 °/jq；The stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n；The winding is around mounted in the stator iron
On the salient pole of core and the certain space of winding slot is occupied, forms accommodating space, the liquid cooling pipe between the adjacent sets of stator core
Road is interspersed in each accommodating space.More preferably, it is to intert each house successively in order when liquid cooling pipeline interts in accommodating space
Space.
On above-mentioned theory, in some embodiments of the present invention, motor can be opening for each phase salient pole centralized arrangement
Close reluctance permanent magnet motor, number of phases q, q >=2 and be natural number, it includes 1 stator core, 1 rotor core, winding, liquid coolings
Pipeline, stator core include that winding slot is formed between circumferentially spaced m salient pole, adjacent salient pole, the rotor iron
The permanent-magnet magnetic number of poles of core is n, and m ＜ n >=10, m, n are even number natural number；The stator core salient pole divides j group centralized arrangements, i.e. group
The extremely same phase salient pole of convex, j >=2 and be natural number, group convex number of poles are z, z >=2 and be natural number, stator core it is convex
Number of poles is m=jqz, the permanent-magnet magnetic number of poles n=j (qz+1) of rotor core, and Adjacent salient poles angle is in the stator core group
360 °/n, adjacent sets angle is 360 °/jq；The stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n, the winding
On the salient pole mounted in the stator core and the certain space of winding slot is occupied, is formed between the adjacent sets of stator core accommodating
Space, the liquid cooling pipeline are interspersed in each accommodating space.More preferably, it is by suitable when liquid cooling pipeline interts in accommodating space
Sequence interts each accommodating space successively.
On above-mentioned theory, in some embodiments of the present invention, the motor can be each phase salient pole centralized arrangement
Mixing cloth phase switch reluctance motor, number of phases q, q >=4 and be even number, it includes k stator core, k rotor core, around
Group, liquid cooling pipeline, k >=2 and be natural number, q/k is natural number；Each stator core includes convex around circumferentially spaced m
Pole forms winding slot between adjacent salient pole；Each rotor iron core salient pole number is n, and m ＜ n >=10, m, n are natural number；It is each fixed
Sub- iron core salient pole divides j group centralized arrangements, that is, organizes the extremely same phase salient pole of convex, j >=2 and be natural number, and group convex number of poles is z
It is a, z >=2 and be natural number；The salient pole number of each stator core is m=jqz/k, and the salient pole number of each rotor core is n=j
(qz/k+1), Adjacent salient poles angle is 360 °/n in the stator core group, and adjacent sets angle is 360 ° of k/jq；Each stator iron
The salient pole arc angle of core is a, and 84 °/n≤a≤132 °/n, k stator core and k rotor core are along the axial distribution in pairs of motor, k
A stator core salient pole alignment installation, k rotor iron core salient pole arranged in dislocation simultaneously form alternate mechanical angle, and alternate mechanical angle is
360°/qn；The winding is on the salient pole mounted in the stator core and occupies the certain space of winding slot, the phase of stator core
Accommodating space is formed between adjacent group, the accommodating space face on k stator core, the accommodating space per k face forms one
Holding channel, the liquid cooling pipeline are interspersed in each holding channel.In specific application, the quantity of liquid cooling pipeline can for above-mentioned motor
Think multiple, each liquid cooling pipeline extends through a holding channel.The quantity of liquid cooling pipeline may be 1, in order according to
It is secondary to be interspersed in each holding channel.
Above-mentioned motor in specific application, it is highly preferred that stator core salient pole arc length >=10mm.
Above-mentioned motor in specific application, it is highly preferred that 96 °/n≤a≤120 °/n.
Above-mentioned motor in specific application, it is highly preferred that the liquid cooling pipeline be continuously interspersed in successively in order it is each accommodating
In space and form 1 inlet and 1 liquid outlet stretching outside motor.
Above-mentioned motor in specific application, it is highly preferred that stator core encapsulated epoxy resin glue package winding and liquid
Cold pipeline.
Embodiment one
As illustrated in fig. 1 and 2, motor of the invention is the equal pole structure switch magnetic resistance motor of axial cloth, the number of phases q, q=3,
It includes k stator core 10, k rotor core 20, winding 30, liquid cooling pipeline 40, k=q=3, each stator core 10 wraps
Include the formation winding slot 11 between circumferentially spaced m salient pole 12, adjacent salient pole 12；20 salient pole number of each rotor core
For n, m=n=8,10 Adjacent salient poles of each stator core, 12 angle is 360 °/n=45 °, 3 stator cores 10 and 3 rotors
Iron core 20 is along the axial distribution in pairs of motor, 3 10 salient pole of stator core alignment installations, 3 20 salient pole arranged in dislocation of rotor core
And alternate mechanical angle is formed, alternate mechanical angle is 360 °/qn=15 °；Each 10 salient pole arc angle of stator core is a, 84 °/n≤a
≤ 132 °/n, each stator core slot arc angle be b, b=360 °/m-a；The winding 30 is around on the salient pole 12 of stator core
And the certain space of winding slot 11 is occupied, accommodating space, k stator are formed between the winding 30 on adjacent stator core salient pole 12
Accommodating space face on iron core 10, the accommodating space per k face form a holding channel, and the liquid cooling pipeline 40 is interspersed
In each holding channel.
Compare for ease of calculation, each scheme can be converted the same n values and be compared, and the following table 1 sets for conventional method
The slot arc angle parameter of meter, the following table 2 are the slot arc angle parameter that the present invention designs.
Table 1
| m | n | 84°/n≤a≤132°/n | B=360 °/m-a | |
| First group | 12 | 8 | A=132 °/n=16.5 ° | 13.5° |
| Second group | 12 | 8 | A=120 °/n=15 ° | 15° |
| Third group | 12 | 8 | A=84 °/n=10.5 ° | 19.5° |
Table 2
| m | n | 84°/n≤a≤132°/n | B=360 °/m-a | |
| First group | 8 | 8 | A=132 °/n=16.5 ° | 28.5° |
| Second group | 8 | 8 | A=120 °/n=15 ° | 30° |
| Third group | 8 | 8 | A=84 °/n=10.5 ° | 34.5° |
From the data in Tables 1 and 2 as it can be seen that mode using the present invention, the arc angle bigger of winding slot 11, in umber of turn
In the case of identical, the arrangement space bigger of liquid cooling pipeline can obtain preferably heat transfer heat transfer effect.
Embodiment two
As shown in figure 3, motor described in the motor of the present invention can be the switched reluctance machines of each phase salient pole centralized arrangement, phase
Number is q, q=3, and it includes 1 stator core 10,1 rotor cores 20, winding 30, liquid cooling pipelines 40, the stator cores 10
Including forming winding slot 11, the salient pole number of rotor core 20 between circumferentially spaced m salient pole 12, adjacent salient pole 12
For n, m ＜ n >=14, m, n are natural number；The salient pole of the stator core 10 divides j=2 group centralized arrangements, that is, it is extremely same to organize convex
One phase salient pole, group convex number of poles are z=2, and 10 salient pole number of stator core is m=jqz=12,20 salient pole number n=j of rotor core
(qz+1)=14, Adjacent salient poles angle is 360 °/n=25.7 ° in 10 groups of the stator core, and adjacent sets angle is 360 °/jq
=60 °；10 salient pole arc angle of the stator core be a, 84 °/n≤a≤132 °/n；10 groups of inside groove arc angles of the stator core are
B1, b1=360 °/n-a；Between 10 adjacent sets of the stator core slot arc angle be b2, b2=720 °/m-360 °/n-a；It is described around
30 are organized on the salient pole mounted in the stator core and occupies the certain space of winding slot 11, between the adjacent sets of stator core 10
Accommodating space is formed, the liquid cooling pipeline 40 is interspersed in each accommodating space in order successively.
Compare for ease of calculation, each scheme can be converted the same n values and be compared, and the following table 3 sets for conventional method
The slot arc angle parameter of meter, the following table 4 are the slot arc angle parameter that the present invention designs.
Table 3
| m | n | 84°/n≤a≤132°/n | B=360 °/m-a | |
| First group | 21 | 14 | A=132 °/n=9.4 ° | 7.7° |
| Second group | 21 | 14 | A=120 °/n=8.6 ° | 8.5° |
| Third group | 21 | 14 | A=84 °/n=6 ° | 11.1° |
Table 4
| m | n | 84°/n≤a≤132°/n | B1=360 °/n-a | B2=720 °/m-360 °/n-a | |
| First group | 12 | 14 | A=132 °/n=9.4 ° | 16.3° | 24.9° |
| Second group | 12 | 14 | A=120 °/n=8.6 ° | 17.1° | 25.7° |
| Third group | 12 | 14 | A=84 °/n=6 ° | 19.7° | 28.3° |
From the data in table 3 and table 4 as it can be seen that mode using the present invention, the arc angle bigger of winding slot 11, in umber of turn
In the case of identical, the arrangement space bigger of liquid cooling pipeline can obtain preferably heat transfer heat transfer effect.
Embodiment three
As shown in figure 4, the motor of the present invention is the switching magnetic-resistance magneto of each phase salient pole centralized arrangement, the number of phases q, q
=3, it includes 1 stator core 10,1 rotor cores 20, winding 30, liquid cooling pipelines 40, and stator core 10 includes around circumferential direction
Spaced m salient pole 12, forms winding slot 11 between adjacent salient pole 12, and the permanent-magnet magnetic number of poles of the rotor core 20 is
N, m ＜ n >=10, m, n are even number natural number；The stator core salient pole divides j=2 group centralized arrangements, that is, it is extremely same to organize convex
Phase salient pole, group convex number of poles are 2, and the salient pole number of stator core is m=jqz=12, the permanent-magnet magnetic number of poles n=of rotor core 20
J (qz+1)=14, Adjacent salient poles angle is 360 °/n=25.7 ° in 10 groups of the stator core, and adjacent sets angle is 360 °/jq
=60 °；The stator core salient pole arc angle is a, and 84 °/n≤a≤132 °/n, the stator core group inside groove arc angle is b1, b1
=360 °/n-a；Between 10 adjacent sets of the stator core slot arc angle be b2, b2=720 °/m-360 °/n-a；The winding 30
On the salient pole mounted in the stator core and the certain space of winding slot 11 is occupied, is formed between the adjacent sets of stator core 10
Accommodating space, the liquid cooling pipeline 40 are interspersed in each accommodating space successively in order.When a value differences, slot arc angle b1 and
The calculation of b2 is identical as table 3 and 4 in embodiment two.
Embodiment four
As it can be seen in figures 5 and 6, the motor of the present invention is the mixing cloth phase switch reluctance motor of each phase salient pole centralized arrangement, phase
Number be q, q=4 and be even number, it includes 2 stator cores 10,2 rotor cores 20, winding 30, liquid cooling pipelines 40；It is each fixed
Sub- iron core 10 includes the formation winding slot 11 between circumferentially spaced m salient pole 12, adjacent salient pole 12；Each rotor iron
20 salient pole number of core is n, and m ＜ n >=5, m, n are natural number；Each stator core salient pole divides j=2 group centralized arrangements, that is, organizes interior salient pole
For same phase salient pole, group convex number of poles is z=2；The salient pole number of each stator core 10 is m=jqz/k=8, each rotor
The salient pole number of iron core 20 is n=j (qz/k+1)=10, and Adjacent salient poles angle is 360 °/n=36 ° in 10 groups of the stator core,
Adjacent sets angle is 360 ° k/jq=90 °；The salient pole arc angle of each stator core is a, 84 °/n≤a≤132 °/n, stator core
10 groups of inside groove arc angles are b1, b1=360 °/n-a；Between 10 adjacent sets of the stator core slot arc angle be b2, b2=720 °/m-
360°/n-a；2 stator cores 10 and 2 rotor cores 20 are along the axial distribution in pairs of motor, 2 stator core salient pole alignment peaces
Dress, 2 20 salient pole arranged in dislocation of rotor core simultaneously form alternate mechanical angle, and alternate mechanical angle is 360 °/qn=9 °；The winding
30 on the salient pole mounted in the stator core 10 and occupy the certain space of winding slot 11, between the adjacent sets of stator core 10
Accommodating space is formed, the accommodating space face on 2 stator cores 10, the accommodating space of every 2 faces, which forms one and houses, to be led to
Road, the liquid cooling pipeline 40 are interspersed in each holding channel.
Compare for ease of calculation, each scheme can be converted the same n values and be compared, and the following table 5 sets for conventional method
The slot arc angle parameter of meter, the following table 6 are the slot arc angle parameter that the present invention designs.
Table 5
| m | n | 84°/n≤a≤132°/n | B=360 °/m-a | |
| First group | 15 | 10 | A=132 °/n=13.2 ° | 10.8° |
| Second group | 15 | 10 | A=120 °/n=12 ° | 12° |
| Third group | 15 | 10 | A=84 °/n=8.4 ° | 15.6° |
Table 6
| m | n | 84°/n≤a≤132°/n | B1=360 °/n-a | B2=720 °/m-360 °/n-a | |
| First group | 8 | 10 | A=132 °/n=13.2 ° | 22.8° | 40.8° |
| Second group | 8 | 10 | A=120 °/n=12 ° | 24° | 42° |
| Third group | 8 | 10 | A=84 °/n=8.4 ° | 27.6° | 45.6° |
From the data in table 5 and table 6 as it can be seen that mode using the present invention, the arc angle bigger of winding slot, in umber of turn phase
With in the case of, the arrangement space bigger of liquid cooling pipeline can obtain preferably heat transfer heat transfer effect.
Obtained motor in above-described embodiment, in actual use electric efficiency can be maintained at 90% or more,
Illustrate liquid cooling pipeline being arranged in winding slot, yoke portion is continuous, and magnetic conductivity is preferable, is not adversely influenced the efficiency of motor.
The above is only the description of the preferred embodiment of the present invention, it should be pointed out that due to the finiteness of literal expression,
And objectively there is unlimited concrete structure, for those skilled in the art, do not departing from the principle of the invention
Under the premise of, several improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (9)
1. the switched reluctance machines of setting liquid cooling pipeline in a kind of winding slot, which is characterized in that including stator core, rotor iron
Core, winding, liquid cooling pipeline, the stator core include around circumferentially spaced m salient pole, the adjacent salient pole of stator core it
Between form winding slot, it is slot arc angle that the circular arc of single winding slot, which grows shared angle on entire stator core circumference, described turn
Sub- iron core includes around circumferentially spaced n salient pole；Wherein, m≤n, and n >=8, the circular arc of the single salient pole of stator core
It is a to grow on entire stator core circumference shared angle i.e. salient pole arc angle, 84 °/n≤a≤132 °/n；The winding around mounted in
On the salient pole of the stator core and the certain space of winding slot is occupied, is formed and is held between the winding on stator core Adjacent salient poles
Between emptying, the liquid cooling pipeline is interspersed in each accommodating space.
2. motor according to claim 1, which is characterized in that the motor is the equal pole configuration switches magnetic resistance electricity of axial cloth
Machine, number of phases q, q >=3 and be natural number, it includes k stator core, k rotor core, winding, liquid cooling pipeline, k=q, often
A stator core includes forming winding slot between circumferentially spaced m salient pole, adjacent salient pole；Each rotor core is convex
Number of poles is n, m=n >=8, and m, n are even number natural number, and each stator core Adjacent salient poles angle is 360 °/n, k stator core
With k rotor core along the axial distribution in pairs of motor, k stator core salient pole alignment installation, k rotor iron core salient pole dislocation peace
Alternate mechanical angle is filled and is formed, alternate mechanical angle is 360 °/qn；Each stator core salient pole arc angle is a, 84 °/n≤a≤
132°/n；Each stator core slot arc angle is b, b=360 °/m-a；The winding is around on the salient pole of stator core and occupying
Winding slot certain space forms accommodating space between the winding on adjacent stator core salient pole, accommodating on k stator core
Space face, the accommodating space per k face form a holding channel, and the liquid cooling pipeline is interspersed in each holding channel.
3. motor according to claim 1, which is characterized in that the motor is the switching magnetic-resistance of each phase salient pole centralized arrangement
Motor, number of phases q, q >=3 and be natural number, it is described it includes 1 stator core, 1 rotor core, winding, liquid cooling pipeline
Stator core includes that winding slot is formed between circumferentially spaced m salient pole, adjacent salient pole, the salient pole number of rotor core
For n, m ＜ n >=14, m, n are natural number；The salient pole of the stator core divides j group centralized arrangements, that is, it is extremely same mutually convex to organize convex
Pole, j >=2 and be natural number, group convex number of poles are z, z >=2 and be natural number, and stator core salient pole number is m=jqz, rotor
Iron core salient pole number n=j (qz+1), Adjacent salient poles angle is 360 °/n in the stator core group, adjacent sets angle is 360 °/
jq；The stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n；The stator core group inside groove arc angle is b1, b1=
360°/n-a；Between the stator core adjacent sets slot arc angle be b2, b2=720 °/m-360 °/n-a；The winding around mounted in
On the salient pole of the stator core and the certain space of winding slot is occupied, accommodating space is formed between the adjacent sets of stator core,
The liquid cooling pipeline is interspersed in each accommodating space.
4. motor according to claim 1, which is characterized in that the motor is the switching magnetic-resistance of each phase salient pole centralized arrangement
Magneto, number of phases q, q >=2 and be natural number, it includes 1 stator core, 1 rotor core, winding, liquid cooling pipeline,
Stator core includes that winding slot is formed between circumferentially spaced m salient pole, adjacent salient pole, and the rotor core is forever
Magnetic number of magnetic poles is n, and m ＜ n >=10, m, n are even number natural number；The stator core salient pole divides j group centralized arrangements, that is, organizes interior salient pole
For same phase salient pole, j >=2 and be natural number, group convex number of poles is z, z >=2 and be natural number, and the salient pole number of stator core is
M=jqz, the permanent-magnet magnetic number of poles n=j (qz+1) of rotor core, Adjacent salient poles angle is 360 °/n, phase in the stator core group
Neighbour's group angle is 360 °/jq；The stator core salient pole arc angle be a, 84 °/n≤a≤132 °/n；The stator core group inside groove
Arc angle is b1, b1=360 °/n-a；Between the stator core adjacent sets slot arc angle be b2, b2=720 °/m-360 °/n-a；Institute
Winding is stated on the salient pole mounted in the stator core and occupies the certain space of winding slot, shape between the adjacent sets of stator core
At accommodating space, the liquid cooling pipeline is interspersed in each accommodating space.
5. motor according to claim 1, which is characterized in that the motor is the mixing cloth phase of each phase salient pole centralized arrangement
Switched reluctance machines, number of phases q, q >=4 and be even number, it includes k stator core, k rotor core, winding, liquid cooling pipes
Road, k >=2 and be natural number, q/k is natural number；Each stator core include around circumferentially spaced m salient pole, it is adjacent
Winding slot is formed between salient pole；Each rotor iron core salient pole number is n, and m ＜ n >=10, m, n are natural number；Each stator core is convex
J group centralized arrangements are divided in pole, that is, organize the extremely same phase salient pole of convex, j >=2 and be natural number, and group convex number of poles is z, and z >=2 are simultaneously
For natural number；The salient pole number of each stator core is m=jqz/k, and the salient pole number of each rotor core is n=j (qz/k+1), institute
It is 360 °/n to state Adjacent salient poles angle in stator core group, and adjacent sets angle is 360 ° of k/jq；The salient pole arc of each stator core
Angle is a, 84 °/n≤a≤132 °/n；The stator core group inside groove arc angle be b1, b1=360 °/n-a；The stator core phase
Between adjacent group slot arc angle be b2, b2=720 °/m-360 °/n-a；K stator core and k rotor core are axially pairs of along motor
Distribution, k stator core salient pole alignment installation, k rotor iron core salient pole arranged in dislocation simultaneously form alternate mechanical angle, phase room machine
Angle is 360 °/qn；The winding is on the salient pole mounted in the stator core and occupies the certain space of winding slot, stator core
Adjacent sets between form accommodating space, the accommodating space face on k stator core is formed per the accommodating space of k face
One holding channel, the liquid cooling pipeline are interspersed in each holding channel.
6. motor according to any one of claims 1-5, it is characterised in that：The stator core salient pole arc length >=
10mm。
7. motor according to any one of claims 1-5, it is characterised in that：96°/n≤a≤120°/n.
8. motor according to any one of claims 1-5, it is characterised in that：The liquid cooling pipeline is continuous successively in order
It is interspersed in each accommodating space and is formed 1 inlet and 1 liquid outlet stretches out outside motor.
9. motor according to any one of claims 1-5, it is characterised in that：The stator core encapsulated epoxy resin glue
Wrap up winding and liquid cooling pipeline.
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| CN201810554192.9A CN108471182A (en) | 2018-06-01 | 2018-06-01 | A kind of switched reluctance machines of the interior setting liquid cooling pipeline of winding slot |
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Cited By (3)
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| CN111463942A (en) * | 2019-01-22 | 2020-07-28 | 丰田自动车株式会社 | Rotating electrical machine |
| WO2021128056A1 (en) * | 2019-12-25 | 2021-07-01 | 山东风发新能源科技有限公司 | Switched reluctance motor |
| CN113922530A (en) * | 2021-10-18 | 2022-01-11 | 南京航空航天大学 | Concentrated excitation doubly salient motor with excitation winding cooling function |
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