CN105978199A - Permanent magnetic vernier motor - Google Patents
Permanent magnetic vernier motor Download PDFInfo
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- CN105978199A CN105978199A CN201610547957.7A CN201610547957A CN105978199A CN 105978199 A CN105978199 A CN 105978199A CN 201610547957 A CN201610547957 A CN 201610547957A CN 105978199 A CN105978199 A CN 105978199A
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- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K3/28—Layout of windings or of connections between windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention is applied to the technical field of a motor structure, and discloses a permanent magnetic vernier motor. The permanent magnetic vernier motor comprises a stator and a rotor rotationally cooperating with the stator, wherein the stator comprises a stator iron core and a stator winding arranged on the stator iron core, the rotor comprises a rotor iron core and a permanent magnet arranged on the rotor iron core, the stator winding comprises a first winding and a second winding, the first winding and the second winding mutually independently run, and the number of pole-pairs of the first winding is greater or smaller than the number of pole-pairs of the second winding. According to the invention, through additional arrangement of one more winding on the basis of a conventional single-stator iron core and a single stator winding , a useful harmonic magnetic field in an air gap is fully utilized, such that under the condition that the motor structure complexity is not increased, the space utilization rate of the motor and the utilization rate of a motor material are effectively improved, the torque and the power grade of the motor are improved accordingly, and the system operation reliability and the fault tolerance operation capability of the motor are effectively enhanced.
Description
Technical field
The invention belongs to machine field, particularly relate to permanent magnetism vernier motor.
Background technology
Permanent magnetism vernier motor is as the direct driving motor of a kind of low speed high torque, at electric automobile, wind-force
The new energy fields such as generating, seawave power generation have a wide range of applications.Permanent magnetism vernier motor generally comprises and turns
Sub-iron core, permanent magnet, stator core and stator winding, stator core is provided with adjustable magnetic block, and adjustable magnetic block has
Magnetic field modulation effect, permanent magnetism vernier motor utilizes the high-speed magnetic field after modulating to realize the high speed design of armature.
But, existing permanent magnetism vernier motor still suffers from weak point in a particular application, and concrete embodiment is as follows:
In existing permanent magnetism vernier motor, the most single stator core, the motor of single stator winding, be so difficult to fully profit
Useful harmonic field is enriched present in air gap, so that the torque density of motor is fully promoted,
Motor space and material are underutilized.Specifically, existing single stator core, the trip of single stator winding
In mark magneto, most number of pole-pairs magnetic fields of rotor, through the adjustable magnetic effect of stator tooth, it is converted into stator
Minority number of pole-pairs magnetic field, it is achieved thereby that the high speed design of armature；But, so can cause substantial amounts of humorous
Ripple magnetic flux is not utilized, and then limits the further lifting of motor torque density.Additionally, use single stator
Iron core, the set-up mode of single stator winding, motor can not hold under stator winding sections malfunction well
Wrong Shipment row, thus had a strong impact on the continuous reliability service of electric automobile and generation of electricity by new energy.
Summary of the invention
It is an object of the invention to overcome at least one weak point of above-mentioned prior art, it is provided that permanent magnetism is swum
Mark motor, which solves and has in existing permanent magnetism vernier motor that air-gap harmonic magnetic field utilization rate is low, torque density
Technology low, that motor space availability ratio is low, motor material utilization rate is low, motor fault-tolerant operational reliability is poor is asked
Topic.
For reaching above-mentioned purpose, the technical solution used in the present invention is: permanent magnetism vernier motor, including stator and
The rotor coordinated with described stator rotation, described stator includes stator core and is located on described stator core
Stator winding, described rotor includes rotor core and the permanent magnet being located on described rotor core, described stator
Winding includes that first set winding and the second set winding, described first set winding and described second set winding are the most only
Vertical operation, and the number of pole-pairs of described first set winding is more than or less than the number of pole-pairs of described second set winding.
Alternatively, described stator core has several circumferentially spaced and near described rotor notches,
The number of pole-pairs defining described first set winding is P, and the number of pole-pairs defining described second set winding is Npm, definition
The quantity of described notch is Ns, then there is P=| Ns±Npm|。
Alternatively, the number of pole-pairs of described second set winding is equal with the number of pole-pairs of described rotor.
Alternatively, described stator core includes that stator yoke and several are circumferentially spaced in described stator yoke
On stator tooth, each described stator tooth includes tooth neck and tooth boots, described in arbitrary neighborhood two between tooth neck all
Form a main line groove, each tooth boots are convexly equipped with several adjustable magnetic blocks, adjustable magnetic block described in arbitrary neighborhood two
Between all form a described notch, described first set winding is distributed in each described main line groove, described second
Set winding is distributed in each described notch.
Alternatively, described stator core includes that stator yoke and several are circumferentially spaced in described stator yoke
On double wedge, this double wedge is described adjustable magnetic block, described first set winding and described second set winding be distributed in respectively
In described notch.
Alternatively, described double wedge is rectangular teeth block, and described notch is rectangular aperture groove, and the width of described double wedge
Spend suitable with the width of described notch.
Alternatively, described stator is positioned at the inner side of described rotor；Or, described stator is positioned at described rotor
Outside.
Alternatively, described permanent magnet includes several first magnets and several polarity and described first magnet pole
Property contrary the second magnet, each described first magnet and each described second magnet circumferentially alternating be distributed in described
On rotor core.
Alternatively, each described first magnet and each described second magnet attach the table being fixed on described rotor core
Face；Or, each described first magnet and each described second magnet are inserted and fixed in described rotor core；Or
Person, each described first magnet and each described second magnet are built in described rotor core.
Alternatively, described rotor core is convexly equipped with several circumferentially spaced salient poles, described permanent magnetism
Body includes that several are respectively embedded into the 3rd magnet being installed on described in each adjacent two between salient pole.
The permanent magnetism vernier motor that the present invention provides, can be separate by arranging two sets on a stator core
The winding that operation and number of pole-pairs differ, is i.e. equivalent at existing single stator core, the base of single stator winding
Set up a set of winding on plinth to make full use of harmonic field useful in air gap, so, do not increase motor knot
On the premise of structure complexity, it is effectively increased the utilization rate of the space availability ratio of motor and motor material (especially
It is the utilization rate of permanent magnet), and then the beneficially torque of lifting motor and power grade.Additionally, due to stator ferrum
Double winding on core can separate run and number of pole-pairs is to differ, therefore, effectively enhance electricity
The system operation reliability of machine and fault-tolerant operation ability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the external rotor permanent magnet vernier motor that the embodiment of the present invention one provides；
Fig. 2 is the structural representation of stator core in the external rotor permanent magnet vernier motor that the embodiment of the present invention one provides
Figure；
Fig. 3 is the structural representation of stator core in the internal rotor permanent-magnetic vernier motor that the embodiment of the present invention one provides
Figure；
Fig. 4 is the deployed configuration schematic diagram of the rotor that the embodiment of the present invention one provides；
Fig. 5 is the structural representation of stator core in the external rotor permanent magnet vernier motor that the embodiment of the present invention two provides
Figure；
Fig. 6 is the structural representation of stator core in the internal rotor permanent-magnetic vernier motor that the embodiment of the present invention two provides
Figure；
Fig. 7 is the deployed configuration schematic diagram of the rotor that the embodiment of the present invention three provides；
Fig. 8 is the deployed configuration schematic diagram of the rotor that the embodiment of the present invention four provides；
Fig. 9 is the deployed configuration schematic diagram of the rotor that the embodiment of the present invention five provides.
In Fig. 4, Fig. 7, Fig. 8 and Fig. 9, the arrow on permanent magnet represents the magnetizing direction of magnet.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as on " being fixed on " or " being arranged at " another element,
It can be directly on another element or may be simultaneously present centering elements.When an element is known as
" connecting " another element, it can be to be directly connected to another element or may be simultaneously present unit placed in the middle
Part.
Also, it should be noted the orientation term such as left and right, upper and lower, top in following example, end,
It is only relative concept or with the normal operating condition of product as reference each other, and should not be regarded as having
Restrictive.
Embodiment one:
As Figure 1-4, the permanent magnetism vernier motor that the embodiment of the present invention one provides, including stator 1 with fixed
The rotor 2 that son 1 is rotatably assorted, stator 1 includes stator core 11 and the stator being located on stator core 11
Winding 12, rotor 2 includes rotor core 21 and the permanent magnet 22 being located on rotor core 21, stator winding
12 include first set winding 121 and the second set winding 122, first set winding 121 and the second set winding 122
Separate operation, and the number of pole-pairs of first set winding 121 more than or less than second set winding 122 the most right
The number of pole-pairs of the number of pole-pairs of number, i.e. first set winding 121 and the second set winding 122 is unequal.First set around
Group 121 and the second set winding 122 can be all single-phase winding or polyphase windings (such as three-phase windings etc.).This
The permanent magnetism vernier motor that inventive embodiments provides, is specially a kind of at single stator core 11, bimorph transducer winding 12
Motor, be i.e. equivalent to set up on the basis of existing single stator core 11, single stator winding 12 a set of around
Group makes full use of harmonic field useful in air gap (gap between rotor 2 and stator 1), thus reaches
To making full use of the purpose of effective harmonic field in permanent magnetism vernier motor air gap, so, motor knot is not being increased
On the premise of structure complexity, it is effectively increased the utilization rate of the space availability ratio of motor and motor material (especially
It is the utilization rate of permanent magnet 22), and then the beneficially torque of lifting motor and power grade.Additionally, due to it is fixed
Double winding on sub-iron core 11 can separate run and number of pole-pairs is to differ, therefore, effectively increase
The system operation reliability of strong motor and fault-tolerant operation ability.
Preferably, stator core 11 has several circumferentially spaced and near rotor 2 notches
1101, the number of pole-pairs of definition first set winding 121 is P, and the number of pole-pairs of definition the second set winding 122 is Npm,
The quantity of definition notch 1101 is Ns, then there is P=| Ns±Npm|.The quantity of notch 1101 can be according to designed
The Rational choices such as the number of phases of motor, rotating speed, modulation ratio.Herein, by optimizing design first set winding 121
Number of pole-pairs P, the second set winding 122 number of pole-pairs NpmWith notch 1101 quantity NsBetween relation, so,
The magnetic structure of available motor farthest promotes effective harmonic field, and can suppress the most available humorous
Ripple magnetic field, so that obtained harmonic field amplitude is optimum.
Preferably, the number of pole-pairs of the second set winding 122 is equal with the number of pole-pairs of rotor 2, so, is beneficial to fill
Divide and utilize the useful harmonic field in motor gas-gap, thus be beneficial to improve the space availability ratio of motor, material profit
With rate and torque density.
Preferably, in the lump with reference to shown in Fig. 1-3, stator core 11 includes stator yoke 111 and several are along week
To stator tooth 112 spaced apart, each stator tooth 112 includes tooth neck 1121 and tooth boots 1122, stator
Yoke 111 is circumferentially closed circulus, and stator tooth 112 is convexly equipped in inner side or the outside of stator yoke 111,
And tooth neck 1121 is between stator yoke 111 and tooth boots 1122, all shape between arbitrary neighborhood two tooth neck 1121
Become a main line groove 1102, each tooth boots 1122 are convexly equipped with several adjustable magnetic blocks 1123, adjustable magnetic block 1123
There is magnetic field modulation effect, between arbitrary neighborhood two adjustable magnetic block 1123, all form a notch 1101, first
Set winding 121 is distributed in each main line groove 1102, and the second set winding 122 is distributed in each notch 1101,
First set winding 121 and second overlaps winding 122 along stator core 11 radially in inside and outside distribution.Notch 1101
Quantity equal with the quantity of adjustable magnetic block 1123, the quantity of main line groove 1102 is equal with the quantity of tooth neck 1121.
Herein, stator 1 is cracked polar type stator structure, only sets in main line groove 1102 in existing cracked polar type stator structure
Putting a set of winding, it utilizes the magnetic field modulation effect of adjustable magnetic block 1123, can be by most number of pole-pairs magnetic of rotor 2
Field is converted into the minority number of pole-pairs magnetic field of stator 1, thus realizes the high speed design of armature；The present embodiment,
On the basis of existing cracked polar type stator structure, in notch 1101, set up the second set winding 122 make full use of
Useful harmonic field in air gap, thus the torque density of motor can be improved, and the appearance of motor can be effectively improved
Wrong service ability.
Specifically, owing to slot space is limited, therefore, in order to make full use of slot space, can be to stator winding 12
Wire be optimized design so that it meets groove shape, and use rectangular lines scheme to reduce slot space waste,
Improve groove utilization rate.
Specifically, seeing figures.1.and.2 in the lump shown, the permanent magnetism vernier motor that the present embodiment provides can be outward
Rotor 2, the structure of inner stator 1, i.e. stator 1 are positioned at the inner side of rotor 2, and now, notch 1101 is along fixed
The outside being radially disposed in main line groove 1102 of sub-iron core 11, the second set winding 122 is along the footpath of stator core 11
To the outside being positioned at first set winding 121；Or, with reference to shown in Fig. 3, the permanent magnetism that the present embodiment provides is swum
Mark motor is alternatively internal rotor 2, the structure of external stator 1, i.e. stator 1 and is positioned at the outside of rotor 2, now,
Notch 1101 is along the inner side being radially disposed in main line groove 1102 of stator core 11, and the second set winding 122 is along fixed
The inner side being radially disposed in first set winding 121 of sub-iron core 11.
Preferably, in the lump with reference to shown in Fig. 1 and Fig. 4, permanent magnet 22 includes several the first magnets 221
With several polarity and opposite polarity second magnet 222 of the first magnet 221, the first magnet 221 and second
The polarity of magnet 222 is respectively N pole and S pole, each first magnet 221 and each second magnet 222 circumferentially
It is alternately distributed on rotor core 21.First magnet 221 and the second magnet 222 can be along motor radial magnetizing shapes
Become, herein, the first magnet 221 and the second magnet 222 along motor gas-gap circumferencial direction alternately arranged become N-S
Alternately magnetize structure, so, the magnetic flux density in air gap can be made close to Sine distribution.
Preferably, each first magnet 221 and each second magnet 222 is circumferentially spaced is alternately distributed in rotor ferrum
On core 21, so, the magnetizing respectively of the beneficially first magnet 221 and the second magnet 222.
Preferably, the pole span between the first magnet 221 and the second magnet 222 is slightly larger than the width of adjustable magnetic block 1123
Degree, so, can preferably play adjustable magnetic effect.
Preferably, with reference to shown in Fig. 4, each first magnet 221 and each second magnet 222 attach to be fixed on and turn
The surface of sub-iron core 21, so, can effectively realize the first magnet 221 and the second magnet 222 at rotor core
Installation on 21 is fixed, and each first magnet 221 and each second magnet 222 are all convex to be exposed to rotor core 21
Surface.Specifically, when the structure that motor is outer rotor 2, inner stator 1, each first magnet 221 He
Each second magnet 222 attaches the inner circumferential surface being fixed on rotor core 21；And when motor be internal rotor 2,
During the structure of external stator 1, each first magnet 221 and each second magnet 222 attach and are fixed on rotor core 21
External peripheral surface.In the present embodiment, each first magnet 221 and each second magnet 222 use surface to attach
Mode is fixed on rotor core 21, and its mounting structure is simple, and rotor core 21 and permanent magnet 22 are all not required to
Mounting structure to be arranged, installs easy to operate, and the most each first magnet 221 and each second magnet 222
Radial magnetizing, thus form circumferentially distributed N-S alternate magnets structure.
Preferably, stator core 11 and rotor core 21 are respectively adopted the permeability magnetic materials such as stalloy along motor shaft
Form to lamination, its simple in construction, easily manufactured.Of course, in concrete application, stator core 11 and turning
Sub-iron core 21 may be used without permeability magnetic material direct integrally casting molding.
The permanent magnetism vernier motor that the present embodiment provides, is specially a kind of single stator core 11, doublewound permanent magnetism
Vernier motor, it has the two-fold advantage of permanent magnetism vernier motor and double-winding motor, in concrete application, according to
It is actually needed, can be by optimized distribution stator 1 slot space to be respectively mounted double winding, by the present embodiment
Permanent magnetism vernier motor be designed to high torque density electrical machine or high fault-tolerant motor.Due to two set in the present embodiment
Winding corresponds to different air-gap harmonic magnetic fields, therefore, it is effectively increased the utilization of motor gas-gap harmonic field
Rate, reduces the leakage field of motor, improves the torque density of motor, motor space availability ratio and motor material
Utilization rate.
Embodiment two:
As shown in Figure 5 and Figure 6, the permanent magnetism vernier motor that the present embodiment provides, with embodiment one main the most not
It is with part: the stator 1 in embodiment one is cracked polar type stator structure, first set winding 121 and second
Overlap winding 122 along stator core 11 radially in inside and outside distribution；And the stator 1 in the present embodiment is open slot
Formula stator structure, specifically, the stator core 11 of the present embodiment includes that stator yoke 111 is with several circumferentially
Double wedge 113 in stator yoke 111 spaced apart, stator yoke 111 is circumferentially closed circulus, convex
Tooth 113 is convexly equipped in inner side or the outside of stator yoke 111, all forms one between arbitrary neighborhood two double wedge 113
Individual notch 1101, first set winding 121 and the second set winding 122 are distributed in each notch 1101.This reality
Executing in example, first set winding 121 and the second set winding 122 distribute identical slot space jointly, and simply first
Set winding 121 overlaps winding and the winding of minority number of pole-pairs of the most corresponding most numbers of pole-pairs of winding 122 with second,
In concrete application, reasonable distribution first set winding can be carried out according to the difference of designed motor performance emphasis
121 and second slot spaces overlapping winding 122, such as: for stressing to need the motor of high torque density, can
A set of in double winding is designed as centralized winding, another set of is designed as distributed winding, and centralized
The allocation space of winding is many, and the allocation space of distributed winding is few；Need to export high-torque for the short time
Motor, can be designed as a set of in double winding main winding, another set of be designed as assisting winding, and install
The slot space of main winding is bigger than auxiliary slot for winding space；For needing the occasion of fault-tolerant operation, double winding can
Divide slot space equally.The present embodiment provide permanent magnetism vernier motor, be also set up in notch 1,101 second set around
Group 122 makes full use of the useful harmonic field in air gap, thus also can improve motor space availability ratio,
Stock utilization, torque density and fault-tolerant operation ability.
Preferably, double wedge 113 is rectangular teeth block, and notch 1101 is rectangular aperture groove, and the width of double wedge 113
Degree is suitable with the width of notch 1101, and i.e. double wedge 113 and notch 1101 are wide structure.Double wedge 113
Width refers specifically to, the double wedge 113 projector distance on stator core 11 circumferencial direction, the width of notch 1101
Degree refers specifically to the notch 1101 projector distance on stator core 11 circumferencial direction.Each double wedge 113 all can shape
Become one to protrude polar body structure, magnetic field modulation effect can be played, thus the harmonic field of air gap can be formed.
In addition to above-mentioned difference, other structure of the permanent magnetism vernier motor that the present embodiment provides all can refer to reality
Execute example one and be optimized design, be not described in detail in this.
Embodiment three:
As it is shown in fig. 7, the permanent magnetism vernier motor that the present embodiment provides, with embodiment one, the master of embodiment two
The first magnet 221 is different with the mounting means of the second magnet 222 to want difference to be.Specifically, implement
In example one and embodiment two, each first magnet 221 and each second magnet 222 attach and are fixed on rotor core 21
Surface, each first magnet 221 and each second magnet 222 are all the convex surfaces being exposed to rotor core 21；And
In the present embodiment, each first magnet 221 and each second magnet 222 are inserted and fixed in rotor core 21, turn
The surface of sub-iron core 21 is provided with several for inserting for each first magnet 221 and each second magnet 222 respectively
Fixing mounting groove, each first magnet 221 and each second magnet 222 all only one of which faces and rotor core 21
Flush.Specifically, when the structure that motor is outer rotor 2, inner stator 1, each mounting groove is along week
Recessed insert respectively in the inner surface of rotor core 21, each first magnet 221 and each second magnet 222 to interval
Entering to be fixed in each mounting groove of rotor core 21, each first magnet 221 and each second magnet 222 all have
The surface concordant with rotor core 21 inner surface；And when the structure that motor is internal rotor 2, external stator 1,
Each mounting groove is circumferentially spaced recessed in the outer surface of rotor core 21, each first magnet 221 and each second magnetic
Body 222 is inserted and fixed in each mounting groove of rotor core 21 respectively, each first magnet 221 and each second magnetic
Body 222 all has and the surface of rotor core 21 flush with outer surface.Use the first magnet 221 in the present embodiment
Mounting means with the second magnet 222, it is possible to effectively realize the first magnet 221 and peace of the second magnet 222
Dress is fixing, and can form circumferentially distributed N-S alternate magnets structure.
In addition to above-mentioned difference, other structure of the permanent magnetism vernier motor that the present embodiment provides all can refer to reality
Execute example one, embodiment two is optimized design, is not described in detail in this.
Embodiment four:
As shown in Figure 8, the permanent magnetism vernier motor that the present embodiment provides, with embodiment one, embodiment two, reality
It is in place of executing the main difference of example three that first magnet 221 is different with the mounting means of the second magnet 222.Tool
Body ground, in embodiment one and embodiment two, each first magnet 221 and each second magnet 222 attach and are fixed on
The surface of rotor core 21, each first magnet 221 and each second magnet 222 are all convex to be exposed to rotor core
The surface of 21；In embodiment three, each first magnet 221 and each second magnet 222 are inserted and fixed to rotor ferrum
In core 21, each first magnet 221 and each second magnet 222 all only one of which faces and the table of rotor core 21
Face is concordant；And in the present embodiment, each first magnet 221 and each second magnet 222 are built in rotor core 21
In, each first magnet 221 and each second magnet 222 are to be completely embedded in rotor core 21, the most each first magnetic
Body 221 and each second magnet 222 all do not have and the surface of rotor core 21 flush.Use the present embodiment
In the first magnet 221 and mounting means of the second magnet 222, it is possible to effectively realize the first magnet 221 and
The installation of two magnets 222 is fixed, and can form circumferentially distributed N-S alternate magnets structure.
In addition to above-mentioned difference, other structure of the permanent magnetism vernier motor that the present embodiment provides all can refer to reality
Execute example one, embodiment two is optimized design, is not described in detail in this.
Embodiment five:
As it is shown in figure 9, the permanent magnetism vernier motor that the present embodiment provides, with embodiment one, embodiment two, reality
It is in place of executing the main difference of example three, embodiment four that the set-up mode of permanent magnet 22 is different.Specifically, real
Executing in example one, embodiment two, embodiment three and embodiment four, permanent magnet 22 all includes opposite polarity first
Magnet 221 and the second magnet 222；And in the present embodiment, permanent magnet 22 only includes has the of same polarity
Three magnets 223.Specifically, in the present embodiment, rotor core 21 is convexly equipped with several circumferentially spaced point
The salient pole 211 of cloth, permanent magnet 22 includes that several are respectively embedded into and is installed between each adjacent two salient poles 211
3rd magnet 223.It is formed with confession the 3rd magnet 223 between arbitrary neighborhood two salient pole 211 and snaps in installation
Draw-in groove.3rd magnet 223 embeds after being installed on rotor core 21, and each salient pole 211 can be by the 3rd magnet
223 are magnetized to polarity and the 3rd opposite polarity magnet of magnet 223, the i.e. the 3rd magnet 223 and rotor core
The polarity of 21 is respectively N pole and S pole, and so, the salient pole 211 on available rotor core 21 realizes
It is alternately distributed with the circumference of the 3rd magnet 223, so, both can realize permanent magnet 22 on rotor core 21
Installation fix, circumferentially distributed N-S alternate magnets structure can be formed again.
In addition to above-mentioned difference, other structure of the permanent magnetism vernier motor that the present embodiment provides all can refer to reality
Execute example one, embodiment two is optimized design, is not described in detail in this.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent or the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. permanent magnetism vernier motor, including stator and the rotor that coordinates with described stator rotation, described stator includes
Stator core and the stator winding being located on described stator core, described rotor includes rotor core and is located at institute
State the permanent magnet on rotor core, it is characterised in that: described stator winding includes first set winding and the second set
Winding, described first set winding and the described second set separate operation of winding, and described first set winding
Number of pole-pairs is more than or less than the number of pole-pairs of described second set winding.
2. permanent magnetism vernier motor as claimed in claim 1, it is characterised in that: if described stator core has
The notch of dry circumferentially spaced and close described rotor, the number of pole-pairs defining described first set winding is
P, the number of pole-pairs defining described second set winding is Npm, the quantity defining described notch is Ns, then there is P=| Ns
±Npm|。
3. permanent magnetism vernier motor as claimed in claim 2, it is characterised in that: the pole of described second set winding
Logarithm is equal with the number of pole-pairs of described rotor.
4. permanent magnetism vernier motor as claimed in claim 2 or claim 3, it is characterised in that: described stator core bag
Include stator yoke and several circumferentially spaced stator tooths in described stator yoke, each described stator tooth
All include tooth neck and tooth boots, all form a main line groove described in arbitrary neighborhood two between tooth neck, on each tooth boots
All it is convexly equipped with several adjustable magnetic blocks, described in arbitrary neighborhood two, between adjustable magnetic block, all forms a described notch, institute
Stating first set winding to be distributed in each described main line groove, described second set winding is distributed in each described notch.
5. permanent magnetism vernier motor as claimed in claim 2 or claim 3, it is characterised in that: described stator core bag
Include stator yoke and several circumferentially spaced double wedges in described stator yoke, convex described in arbitrary neighborhood two
All form a described notch, described first set winding and described second set winding between tooth and be distributed in each described
In notch.
6. permanent magnetism vernier motor as claimed in claim 5, it is characterised in that: described double wedge is rectangular teeth block,
Described notch is rectangular aperture groove, and the width of described double wedge is suitable with the width of described notch.
7. the permanent magnetism vernier motor as described in any one of claims 1 to 3, it is characterised in that: described stator
It is positioned at the inner side of described rotor；Or, described stator is positioned at the outside of described rotor.
8. the permanent magnetism vernier motor as described in any one of claims 1 to 3, it is characterised in that: described permanent magnetism
Body includes the second magnet that several first magnets and several polarity are contrary with described first magnet polarity, respectively
Described first magnet and each described second magnet is circumferentially alternating is distributed on described rotor core.
9. permanent magnetism vernier motor as claimed in claim 8, it is characterised in that: each described first magnet is with each
Described second magnet attaches the surface being fixed on described rotor core；Or, each described first magnet and each institute
State the second magnet to be inserted and fixed in described rotor core；Or, each described first magnet and each described second
Magnet is built in described rotor core.
10. the permanent magnetism vernier motor as described in any one of claims 1 to 3, it is characterised in that: described turn
Being convexly equipped with several circumferentially spaced salient poles on sub-iron core, described permanent magnet includes that several are the most embedding
Enter the 3rd magnet being installed on described in each adjacent two between salient pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547957.7A CN105978199B (en) | 2016-07-12 | 2016-07-12 | Permanent magnetism vernier motor |
Applications Claiming Priority (1)
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Cited By (13)
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| CN106374704A (en) * | 2016-09-09 | 2017-02-01 | 华中科技大学 | Brushless dual-mechanical-port permanent magnet motor based on magnetic field modulation principle |
| CN106787562A (en) * | 2017-01-24 | 2017-05-31 | 东南大学 | Alternately pole, mixed excitation directly drives vernier motor |
| CN107425626A (en) * | 2017-09-01 | 2017-12-01 | 华中科技大学 | A kind of built-in tangential excitation vernier magneto |
| CN108183562A (en) * | 2016-12-08 | 2018-06-19 | 上海鸣志电器股份有限公司 | A kind of stepper motor |
| CN108336837A (en) * | 2018-02-26 | 2018-07-27 | 江苏大学 | A kind of composite excitation direct driving motor |
| CN109104014A (en) * | 2018-09-21 | 2018-12-28 | 江苏大学 | A kind of four phase double winding vernier motors |
| CN109962551A (en) * | 2019-02-19 | 2019-07-02 | 华中科技大学 | A kind of double winding fault tolerant permanent magnet machine |
| CN111491848A (en) * | 2017-12-06 | 2020-08-04 | Zf汽车英国有限公司 | Handwheel actuator assembly |
| CN112688454A (en) * | 2020-12-15 | 2021-04-20 | 大连海事大学 | Permanent-magnet fault-tolerant vernier rim propulsion motor with optimized surface shape of alternating-pole rotor |
| CN112803628A (en) * | 2021-02-01 | 2021-05-14 | 南京航空航天大学 | Split-tooth type alternate-pole hybrid excitation brushless motor based on alternating-current excitation |
| CN113937917A (en) * | 2021-08-27 | 2022-01-14 | 浙江大学 | Vernier motor and control system comprising same |
| CN116388499B (en) * | 2023-05-26 | 2023-08-11 | 山东科技大学 | Stator modularized bilateral permanent magnet excitation type magnetic field modulation wind driven generator |
| CN117277620A (en) * | 2022-09-20 | 2023-12-22 | 罗灿 | Two-component pole-changing rotor magnetic regulating motor |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374704A (en) * | 2016-09-09 | 2017-02-01 | 华中科技大学 | Brushless dual-mechanical-port permanent magnet motor based on magnetic field modulation principle |
| CN108183562A (en) * | 2016-12-08 | 2018-06-19 | 上海鸣志电器股份有限公司 | A kind of stepper motor |
| CN108183562B (en) * | 2016-12-08 | 2023-10-27 | 上海鸣志电器股份有限公司 | Stepping motor |
| CN106787562A (en) * | 2017-01-24 | 2017-05-31 | 东南大学 | Alternately pole, mixed excitation directly drives vernier motor |
| CN107425626A (en) * | 2017-09-01 | 2017-12-01 | 华中科技大学 | A kind of built-in tangential excitation vernier magneto |
| CN107425626B (en) * | 2017-09-01 | 2019-10-08 | 华中科技大学 | A kind of built-in tangential excitation vernier magneto |
| CN111491848A (en) * | 2017-12-06 | 2020-08-04 | Zf汽车英国有限公司 | Handwheel actuator assembly |
| CN108336837A (en) * | 2018-02-26 | 2018-07-27 | 江苏大学 | A kind of composite excitation direct driving motor |
| CN109104014B (en) * | 2018-09-21 | 2020-06-26 | 江苏大学 | Four-phase double-winding vernier motor |
| CN109104014A (en) * | 2018-09-21 | 2018-12-28 | 江苏大学 | A kind of four phase double winding vernier motors |
| CN109962551A (en) * | 2019-02-19 | 2019-07-02 | 华中科技大学 | A kind of double winding fault tolerant permanent magnet machine |
| CN109962551B (en) * | 2019-02-19 | 2020-09-08 | 华中科技大学 | Double-winding permanent magnet fault-tolerant motor |
| CN112688454A (en) * | 2020-12-15 | 2021-04-20 | 大连海事大学 | Permanent-magnet fault-tolerant vernier rim propulsion motor with optimized surface shape of alternating-pole rotor |
| CN112803628A (en) * | 2021-02-01 | 2021-05-14 | 南京航空航天大学 | Split-tooth type alternate-pole hybrid excitation brushless motor based on alternating-current excitation |
| CN113937917A (en) * | 2021-08-27 | 2022-01-14 | 浙江大学 | Vernier motor and control system comprising same |
| CN117277620A (en) * | 2022-09-20 | 2023-12-22 | 罗灿 | Two-component pole-changing rotor magnetic regulating motor |
| CN116388499B (en) * | 2023-05-26 | 2023-08-11 | 山东科技大学 | Stator modularized bilateral permanent magnet excitation type magnetic field modulation wind driven generator |
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