CN106505818A - Segmentation phase shift outer rotor permanent magnet motor - Google Patents
Segmentation phase shift outer rotor permanent magnet motor Download PDFInfo
- Publication number
- CN106505818A CN106505818A CN201611074305.2A CN201611074305A CN106505818A CN 106505818 A CN106505818 A CN 106505818A CN 201611074305 A CN201611074305 A CN 201611074305A CN 106505818 A CN106505818 A CN 106505818A
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- China
- Prior art keywords
- rotor
- pole
- permanent magnet
- magnetic
- pawl
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor
-
- 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
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
-
- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
- H02K1/243—Rotor cores with salient poles ; Variable reluctance rotors of the claw-pole type
-
- 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
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
- H02K21/227—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos having an annular armature coil
Abstract
The present invention is a kind of segmentation phase shift outer rotor permanent magnet motor, and which is related to a kind of permasyn morot, including stator component, rotor part.The outer rotor permanent magnet motor produces stator rotating excitation field using pawl pole part, and the magnetic line of force of mouse cage sliver cutting stator rotating excitation field produces asynchronous starting torque, and rotor part is pulled in rotating speed.Rotor part is interacted with stator rotating excitation field using the rotor auxiliary magnetic pole of the permanent magnet and permanent magnet magnetization adjacent rotor salient pole formation of motor poles number half quantity and produces synchronizing torque.Two stator winding are centralized windings, and atomization degree height, cost of labor are low.The outer rotor permanent magnet motor can asynchronous starting, permanent magnet consumption is few, possesses that electric efficiency is high, the advantage of low cost, meets needs of the axial flow blower market to energy-saving motor.
Description
Technical field
The present invention is a kind of segmentation phase shift outer rotor permanent magnet motor, and which is related to a kind of permasyn morot,
The outer rotor permanent magnet motor that more particularly to a kind of employing segmentation phase shift is started.
Background technology
, in fixing axle, rotor part is outside installed in the footpath of stator component for the stator component of outer rotor motor
Side.Outer rotor motor is mainly used on axial flow blower.Minisize axial-flow blower fan majority with cpu fan as representative adopts permanent magnetism
Brushless direct current motor（BLDC）, brushless, permanently excited direct current motor（BLDC）With permasyn morot（PMSM）All there is power
The advantages of factor is high, electric efficiency is high, has the disadvantage relatively costly.Due to powerful electric drive module and Nd-Fe-B permanent magnetic material
The cost of material is very expensive, and the axial flow blower of the most relatively high powers in addition to minisize axial-flow blower fan is still using with low cost
AC asynchronous motor.AC asynchronous motor has the shortcomings that power factor is low, electric efficiency is low.In addition, alternating current asynchronous are electric
In the manufacture process of motivation, manual assembly stator winding is needed, automaticity is low in distributed stator winding assembling process, people
In the cost of the less fractional electric motor of work high expensive, especially diameter, cost of labor accounting is larger.The city of axial flow blower
Field demand is very big, does not have the low-cost energy-saving motor technology that can substitute AC asynchronous motor at present again.Therefore, axle
Flow fan market is in the urgent need to a kind of electric efficiency height, low cost, the outer rotor permanent magnet motor for being capable of asynchronous starting.
Content of the invention
The purpose of the present invention is to overcome that AC asynchronous motor power factor is low, the shortcoming that electric efficiency is low, there is provided a kind of
Electric efficiency height, low cost, the outer rotor permanent magnet motor started using segmentation phase shift.Embodiment of the present invention is such as
Under：
The present invention is total to be characterized in that segmentation phase shift outer rotor permanent magnet motor includes stator component, rotor part.Rotor
Radial outside of the part installed in stator component.The outer rotor permanent magnet motor has two poles, quadrupole, six types of severe debility disease rotating speed rule
Lattice.The outer rotor permanent magnet motor adopts electric capacity phase shift.
Stator component include fixing axle, every magnetic bushing, pawl pole ring flange one, stator winding one, pawl pole ring flange two, every magnetic
Locating ring, pawl pole ring flange three, stator winding two, pawl pole ring flange four.
Fixing axle is in cylinder.Cylindrical every magnetic bushing, it is every magnetic bushing axis hole, every magnetic bushing material in the middle of magnetic bushing
Matter is non-magnet material.It is in annular every magnetic orientation ring, is every magnetic orientation annulate shaft hole, every magnetic orientation ring material in the middle of magnetic orientation ring
Matter is non-magnet material.
Stator winding one, stator winding two structure identical, stator winding one, stator winding two include coil bone respectively
Frame, winding coil, are skeleton axis hole in the middle of coil rack, and winding coil is on coil rack.
Pawl pole ring flange one, pawl pole ring flange two, pawl pole ring flange three, pawl pole ring flange four structure identical, its distinguish
There is a cylindrical circular pawl pole flange, the centre of pawl pole flange is pawl pole axis hole, pawl pole flange radial outside is evenly equipped with successively
Several pawl poles and pawl pole groove, the axial cross section of pawl pole are L-shaped, and each pawl pole radially-outer surface forms a stator magnet
Pole, pawl pole ring flange one, pawl pole ring flange two, pawl pole ring flange three, the pawl pole quantity of pawl pole ring flange four are motor respectively
The half of number of magnetic poles.
When stator component is assembled, respectively the pawl pole flange insertion stator winding of pawl pole ring flange one, pawl pole ring flange two
In one skeleton axis hole, the upper end of the pawl pole groove of the pawl pole insertion pawl pole ring flange two of pawl pole ring flange one, pawl pole ring flange
The upper end of the pawl pole groove of two pawl pole insertion pawl pole ring flange one, pawl pole ring flange one, stator winding one, pawl pole ring flange two
Composition pawl pole part one.
Respectively in the skeleton axis hole the pawl pole flange insertion stator winding two of pawl pole ring flange three, pawl pole ring flange four,
The upper end of the pawl pole groove of the pawl pole insertion pawl pole ring flange four of pawl pole ring flange three, the pawl pole insertion pawl pole of pawl pole ring flange four
The upper end of the pawl pole groove of ring flange three, pawl pole ring flange three, stator winding two, the composition pawl pole of pawl pole ring flange four part two.
Fixing axle insertion every magnetic bushing in magnetic bushing axis hole, then successively pawl pole part one, every magnetic orientation ring, pawl
Pole part two is installed in the radial outside every magnetic bushing.Each magnetic pole of the stator of pawl pole part one is each with pawl pole part two
Individual magnetic pole of the stator spatially by ninety degrees electrical angle.
Rotor part includes permanent magnet one, rotor core one, rotor sleeve, mouse cage iron core, rotor cage, rotor core
2nd, permanent magnet two.Rotor sleeve is cylindrical.
Rotor core one is overrided to form by several one punchings of rotor core, and one Material quality of lamination of rotor core is magnetic conduction material
Material, rotor core one are in annular.Quadrupole and uniform two rotors of six types of severe debility disease rotating speed specification one radial inside edge of rotor core
Magnetic pole groove, is rotor with salient pole one between two neighboring rotor magnetic pole groove.The one radially inner side side of rotor core of two pole rotating speed specifications
Edge has a rotor magnetic pole groove and a rotor with salient pole one.
Rotor core two is identical with the structure of rotor core one.Rotor core two is laminated by several two punchings of rotor core
Form, two Material quality of lamination of rotor core is permeability magnetic material, and rotor core two is in annular.The rotor of quadrupole and six types of severe debility disease rotating speed specification
The uniform two rotor magnetic pole grooves of two radial inside edge of iron core, are rotor with salient pole two between two neighboring rotor magnetic pole groove.Two poles
Two radial inside edge of rotor core of rotating speed specification has a rotor magnetic pole groove and a rotor with salient pole two.
Permanent magnet one, permanent magnet two are in tile shape.Permanent magnet one is in the rotor magnetic pole groove of rotor core one.Permanent magnetism
Body two is in the rotor magnetic pole groove of rotor core two.
Mouse cage iron core is overrided to form by several mouse cage core stampings, and mouse cage core stamping material is permeability magnetic material, mouse cage
Iron core is mouse cage iron core inner chamber in a ring, in the middle of mouse cage iron core, mouse cage iron core radial inside edge several mouse cage wire casings uniform.
Rotor cage has two cage rings and several mouse cage slivers, and mouse cage sliver is in the mouse cage wire casing of mouse cage iron core.
When rotor part is assembled, mouse cage iron core, rotor cage installed in the middle part of rotor sleeve radially inner side.?
Rotor core one, rotor core two are separately mounted to the two ends of rotor sleeve radially inner side.Rotor core one, rotor core two
Rotor magnetic pole groove axially aligns.
One footpath of permanent magnet after rotor part assembling, on the rotor core one of six types of severe debility disease rotating speed specification in two rotor magnetic pole grooves
The pole polarity of inner surface opposite pole each other.On the rotor core two of six types of severe debility disease rotating speed specification in two rotor magnetic pole grooves forever
The pole polarity of two inner radial surface of magnet opposite pole each other.Installed in the permanent magnet one of rotor core one and installed in rotor
The same pole polarity permanent magnet two of iron core two axially aligns.
The magnetic pole of one inner radial surface of permanent magnet on the rotor core one of quadrupole rotating speed specification in two rotor magnetic pole grooves
Polarity is identical.The magnetic pole of two inner radial surface of permanent magnet on the rotor core two of quadrupole rotating speed specification in two rotor magnetic pole grooves
Polarity is identical.The permanent magnet one of quadrupole rotating speed specification, two inner radial surface of permanent magnet pole polarity identical, and permanent magnet
First, permanent magnet two axially aligns.
The magnetic pole of one inner radial surface of permanent magnet on the rotor core one of two pole rotating speed specifications in a rotor magnetic pole groove
The magnetic pole pole of two inner radial surface of permanent magnet on the rotor core two of polarity and two pole rotating speed specifications in a rotor magnetic pole groove
Property is identical, and permanent magnet one, permanent magnet two axially align.
After rotor part assembling, a permanent magnet one in each rotor magnetic pole groove of rotor core one, is pasted with, each
One inner radial surface of individual permanent magnet forms a rotor main pole.The one of each the magnetization adjacent rotor of permanent magnet one salient pole one
Side, forms the rotor auxiliary magnetic pole of and permanent magnet opposite pole each other.Each rotor magnetic pole groove of rotor core two
In be pasted with a permanent magnet two, each two inner radial surface of permanent magnet forms a rotor main pole.Each permanent magnet
The sides of two magnetization adjacent rotor salient poles two, form the rotor auxiliary magnetic pole of and permanent magnet opposite pole each other.Rotor
Main pole sets up rotor permanent magnet magnetic field jointly with rotor auxiliary magnetic pole.
The radial direction appearance of the inner radial surface of permanent magnet one or permanent magnet two to pawl pole part one or pawl pole part two
The motor air gap in face is permanent magnet air gap.The inner radial surface of rotor with salient pole one or rotor with salient pole two to pawl pole part one or
The motor air gap of the radially-outer surface of person's pawl pole part two is salient pole air gap.Salient pole gas length is long less than permanent magnet air gap
Degree.The inner radial surface of mouse cage iron core is Mus to the motor air gap of pawl pole part one or the radially-outer surface of pawl pole part two
Cage iron core air gap.
The running of segmentation phase shift outer rotor permanent magnet motor is：
When starting, shift capacitor is connected in two circuit of stator winding the outer rotor permanent magnet motor, or phase shift
Capacitances in series in one circuit of stator winding, after the outer rotor permanent magnet motor switches on power, stator winding one with fixed
The by ninety degrees electrical angle of two voltage-phase of sub- winding.Also, each magnetic pole of the stator of pawl pole part one and pawl pole part two
Each magnetic pole of the stator spatially by ninety degrees electrical angle.
Sometime, the stator field of pawl pole part one passes through mouse cage iron core, afterwards sometime, pawl pole part two
Stator field passes through mouse cage iron core, the stator field of pawl pole part one to alternately pass through mouse cage ferrum with the stator field of pawl pole part two
Core, forms stator rotating excitation field in mouse cage iron core, and the magnetic line of force of the mouse cage sliver cutting stator rotating excitation field of rotor cage is produced
Raw asynchronous starting torque, pulls in rotor part rotating speed.The permanent magnet one of rotor part, permanent magnet two, rotor with salient pole one,
Rotor with salient pole two is interacted with stator rotating excitation field and produces synchronizing torque, and the outer rotor permanent magnet motor enters synchronous
Running status.
The outer rotor permanent magnet motor when six types of severe debility disease synchronization is run, the rotor field magnetic line of force of permanent magnet one
One of path is that the magnetic line of force enters pawl pole portion from the N poles of one inner radial surface of permanent magnet, the magnetic line of force through permanent magnet air gap
The s magnetic poles of part one, the magnetic line of force enter the S ' magnetic poles of rotor core one, magnetic force from the n magnetic poles of pawl pole part one through salient pole air gap
Line returns to one radially-outer surface of permanent magnet, forms closed-loop path.The two of the rotor field magnetic line of force path of permanent magnet one are, magnetic force
Line is the radially-outer surface of the permanent magnet one of S poles from inner radial surface, and the magnetic line of force is passed through from the N ' magnetic poles of rotor core one
Salient pole air gap enters the s magnetic poles of pawl pole part one, and the magnetic line of force is from the n magnetic poles of pawl pole part one through permanent magnet air gap, the magnetic line of force
One inner radial surface of permanent magnet is returned to, closed-loop path is formed.
The outer rotor permanent magnet motor when quadrupole synchronization is run, the rotor field magnetic line of force of permanent magnet one
Path is that the magnetic line of force is the radially-outer surface of the permanent magnet one of S poles from inner radial surface, and the magnetic line of force is from rotor core one
N ' magnetic poles enter the s magnetic poles of pawl pole part one through salient pole air gap, and the magnetic line of force is from the n magnetic poles of pawl pole part one through permanent magnetism bromhidrosis
Gap, the magnetic line of force return to one inner radial surface of permanent magnet, form closed-loop path.
The outer rotor permanent magnet motor produces stator rotating excitation field, mouse cage sliver cutting stator using pawl pole part
The magnetic line of force of rotating excitation field produces asynchronous starting torque, and rotor part is pulled in rotating speed.Rotor part adopts motor magnetic
Rotor auxiliary magnetic pole and stator rotating excitation field that the permanent magnet of number of poles half quantity and permanent magnet magnetization adjacent rotor salient pole are formed
Interact and produce synchronizing torque.Two stator winding are centralized windings, and atomization degree height, cost of labor are low.Institute
State outer rotor permanent magnet motor can asynchronous starting, permanent magnet consumption is few, possesses that electric efficiency is high, the advantage of low cost,
Meet needs of the axial flow blower market to energy-saving motor.
Description of the drawings
Figure of description is the structure chart and schematic diagram of segmentation phase shift outer rotor permanent magnet motor.Wherein Fig. 1 is
The axonometric drawing of the outer rotor permanent magnet motor.Fig. 2 is the isometric cutaway view of the outer rotor permanent magnet motor, turns
Sub- magnetic pole is 6 poles, and magnetic pole of the stator is 6 poles.Fig. 3 is the axonometric drawing of stator component, and magnetic pole of the stator is 6 poles.Fig. 4 is stator component
Isometric cutaway view.Fig. 5 is the axonometric drawing of pawl pole part one, and magnetic pole of the stator is 6 poles.Fig. 6 is pawl pole ring flange two, pawl pole ring flange
Four axonometric drawing.Fig. 7 is pawl pole ring flange one, the axonometric drawing of pawl pole ring flange three.Fig. 8 is stator winding one or stator winding two
Axonometric drawing.Fig. 9 is the axonometric drawing of rotor part.Figure 10 is the isometric cutaway view of rotor part, and rotor magnetic pole is 6 poles.Figure 11
It is axonometric drawing that mouse cage iron core, rotor cage are installed together.Figure 12 is the axonometric drawing of rotor core one or rotor core two.Figure
13 is the schematic diagram that the outer rotor permanent magnet motor segmentation phase shift is started.Figure 14 is that the external rotor permanent magnet is synchronously electronic
The stator field magnetic line of force path schematic diagram of pawl pole part one when machine segmentation phase shift is started.Figure 15 is the external rotor permanent magnet synchronization
The stator field magnetic line of force path schematic diagram of pawl pole part two when motor segmentation phase shift is started.Figure 16 is the external rotor permanent magnet
Synchronous motor when six types of severe debility disease synchronization is run, the rotor field magnetic line of force path schematic diagram of permanent magnet one.Figure 17 is described
Outer rotor permanent magnet motor when six types of severe debility disease synchronization is run, the rotor field magnetic line of force path schematic diagram of permanent magnet two.
Figure 18 be the outer rotor permanent magnet motor when quadrupole synchronization is run, the rotor field magnetic line of permanent magnet one
Footpath schematic diagram.Figure 19 be the outer rotor permanent magnet motor when quadrupole synchronization is run, the rotor magnetic of permanent magnet two
Field magnetic line of force path schematic diagram.
In Figure of description, capital N and S represent rotor main pole polarity, and it is auxiliary that capital N ' and S ' represent rotor
Help pole polarity.Lower case n1 and s1 represent the magnetic pole of the stator polarity of pawl pole part one, and lower case n2 and s2 represent pawl pole
The magnetic pole of the stator polarity of part two.
Be labeled with fixing axle 1 in figure, every magnetic bushing 2, permanent magnet 1, rotor core 1, rotor sleeve 5, mouse cage iron core
6th, rotor cage 7, rotor core 28, pawl pole ring flange 1, stator winding 1, pawl pole ring flange 2 11, every magnetic orientation ring
12nd, pawl pole ring flange 3 13, permanent magnet 2 14, stator winding 2 15, pawl pole ring flange 4 16, pawl pole 17, pawl pole groove 18, pawl
Pole axis hole 19, pawl pole flange 20, coil rack 21, winding coil 22, skeleton axis hole 23, cage ring 24, mouse cage sliver 25, turn
Sub- magnetic pole groove 26, rotor direction of rotation 27, pawl pole part 1, stator field magnetic line of force path 29, stator field direction 30, fixed
Sub- magnetic field rotation direction 31, pawl pole part 2 32, rotor field magnetic line of force path 33, rotor field direction 34.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further discussed below.
Referring to figs. 1 to Figure 12, segmentation phase shift outer rotor permanent magnet motor includes stator component, rotor part.Turn
Radial outside of the subassembly installed in stator component.The outer rotor permanent magnet motor has two poles, quadrupole, six types of severe debility disease rotating speed rule
Lattice.The outer rotor permanent magnet motor adopts electric capacity phase shift.
Stator component includes fixing axle 1, every magnetic bushing 2, pawl pole ring flange 1, stator winding 1, pawl pole ring flange two
11st, every magnetic orientation ring 12, pawl pole ring flange 3 13, stator winding 2 15, pawl pole ring flange 4 16.
Fixing axle 1 is in cylinder.Cylindrical every magnetic bushing 2, it is every magnetic bushing axis hole in the middle of magnetic bushing 2, serves as a contrast every magnetic
It is non-magnet material to cover 2 materials.Every magnetic orientation ring 12 in annular, in the middle of magnetic orientation ring 12 be every magnetic orientation annulate shaft hole, every
12 material of magnetic orientation ring is non-magnet material.
Stator winding 1, stator winding 2 15 structure identical, stator winding 1, stator winding 2 15 include respectively
Coil rack 21, winding coil 22, are skeleton axis hole 23 in the middle of coil rack 21, and winding coil 22 is installed in coil rack 21
On.
Pawl pole ring flange 1, pawl pole ring flange 2 11, pawl pole ring flange 3 13, pawl pole ring flange 4 16 structure identical,
Which has a cylindrical circular pawl pole flange 20 respectively, and the centre of pawl pole flange 20 is pawl pole axis hole 19, and pawl pole flange 20 is radially
Outside is evenly equipped with several pawl poles 17 and pawl pole groove 18 successively, and the axial cross section of pawl pole 17 is L-shaped, and each pawl pole 17 is radially
Outer surface forms a magnetic pole of the stator, pawl pole ring flange 1, pawl pole ring flange 2 11, pawl pole ring flange 3 13, pawl pole ring flange
4 16 17 quantity of pawl pole is the half of motor poles number respectively.
When stator component is assembled, the pawl pole flange 20 of pawl pole ring flange 1, pawl pole ring flange 2 11 is inserted stator respectively
In the skeleton axis hole 23 of winding 1, the pawl pole groove 18 of the insertion pawl pole of pawl pole 17 ring flange 2 11 of pawl pole ring flange 1
Upper end, the upper end of the pawl pole groove 18 of the insertion pawl pole of pawl pole 17 ring flange 1 of pawl pole ring flange 2 11, pawl pole ring flange 1,
Stator winding 1, the composition pawl pole of pawl pole ring flange 2 11 part 1.
Respectively the pawl pole flange 20 of pawl pole ring flange 3 13, pawl pole ring flange 4 16 is inserted the skeleton of stator winding 2 15
In axis hole 23, the upper end of the pawl pole groove 18 of the insertion pawl pole of pawl pole 17 ring flange 4 16 of pawl pole ring flange 3 13, pawl pole flange
The upper end of the pawl pole groove 18 of the insertion pawl pole of pawl pole 17 ring flange 3 13 of disk 4 16, pawl pole ring flange 3 13, stator winding two
15th, the composition pawl pole of pawl pole ring flange 4 16 part 2 32.
Fixing axle 1 is inserted every magnetic bushing 2 in magnetic bushing axis hole, then successively pawl pole part 1, every magnetic orientation
Ring 12, pawl pole part 2 32 are installed in the radial outside every magnetic bushing 2.Each magnetic pole of the stator of pawl pole part 1 and pawl pole
Each magnetic pole of the stator of part 2 32 spatially by ninety degrees electrical angle.
Rotor part includes permanent magnet 1, rotor core 1, rotor sleeve 5, mouse cage iron core 6, rotor cage 7, rotor
Iron core 28, permanent magnet 2 14.Rotor sleeve 5 is cylindrical.
Rotor core 1 is overrided to form by several one punchings of rotor core, and one Material quality of lamination of rotor core is magnetic conduction material
Material, rotor core 1 are in annular.Uniform two of quadrupole and six types of severe debility disease rotating speed specification one 4 radial inside edge of rotor core turns
Sub- magnetic pole groove 26, is rotor with salient pole one between two neighboring rotor magnetic pole groove 26.The rotor core 1 of two pole rotating speed specifications is radially
There are a rotor magnetic pole groove 26 and a rotor with salient pole one in inside edge.
Rotor core 28 is identical with the structure of rotor core 1.Rotor core 28 is by several two punchings of rotor core
It is overrided to form, two Material quality of lamination of rotor core is permeability magnetic material, and rotor core 28 is in annular.Quadrupole and six types of severe debility disease rotating speed specification
The uniform two rotor magnetic pole grooves 26 of 28 radial inside edge of rotor core, be rotor between two neighboring rotor magnetic pole groove 26
Salient pole two.28 radial inside edge of rotor core of two pole rotating speed specifications has a rotor magnetic pole groove 26 and a rotor with salient pole
Two.
Permanent magnet 1, permanent magnet 2 14 are in tile shape.Rotor magnetic pole groove 26 of the permanent magnet 1 installed in rotor core 1
In.Permanent magnet 2 14 is in the rotor magnetic pole groove 26 of rotor core 28.
Mouse cage iron core 6 is overrided to form by several mouse cage core stampings, and mouse cage core stamping material is permeability magnetic material, mouse cage
Iron core 6 is mouse cage iron core inner chamber in a ring, in the middle of mouse cage iron core 6,6 radial inside edge of mouse cage iron core several mouse cage lines uniform
Groove.Rotor cage 7 has two cage rings 24 and several mouse cage slivers 25, Mus of the mouse cage sliver 25 installed in mouse cage iron core 6
In cage wire casing.
Rotor part assemble when, mouse cage iron core 6, rotor cage 7 installed in 5 radially inner side of rotor sleeve pars intermedia
Position.The two ends that rotor core 1, rotor core 28 are separately mounted to 5 radially inner side of rotor sleeve.Rotor core 1, turn
The rotor magnetic pole groove 26 of sub- iron core 28 axially aligns.
Permanent magnet after rotor part assembling, on the rotor core 1 of six types of severe debility disease rotating speed specification in two rotor magnetic pole grooves 26
The pole polarity of one 3 inner radial surfaces opposite pole each other.Two rotor magnetic pole grooves on the rotor core 28 of six types of severe debility disease rotating speed specification
The pole polarity of 2 14 inner radial surface of permanent magnet in 26 opposite pole each other.Permanent magnet 1 installed in rotor core 1
Axially align with the same pole polarity permanent magnet 2 14 installed in rotor core 28.
One 3 inner radial surface of permanent magnet on the rotor core 1 of quadrupole rotating speed specification in two rotor magnetic pole grooves 26
Pole polarity is identical.2 14 footpath of permanent magnet on the rotor core 28 of quadrupole rotating speed specification in two rotor magnetic pole grooves 26 is inside
The pole polarity on surface is identical.The permanent magnet 1 of quadrupole rotating speed specification, the pole polarity phase of 2 14 inner radial surface of permanent magnet
With, and permanent magnet 1, permanent magnet 2 14 axially align.
One 3 inner radial surface of permanent magnet on the rotor core 1 of two pole rotating speed specifications in a rotor magnetic pole groove 26
2 14 inner radial surface of permanent magnet on the rotor core 28 of pole polarity and two pole rotating speed specifications in a rotor magnetic pole groove 26
Pole polarity identical, and permanent magnet 1, permanent magnet 2 14 axially align.
After rotor part assembling, in each rotor magnetic pole groove 26 of rotor core 1, a permanent magnet 1 is pasted with,
Each one 3 inner radial surface of permanent magnet forms a rotor main pole.Each the magnetization adjacent rotor of permanent magnet 1 salient pole one
Side, form the rotor auxiliary magnetic pole of and permanent magnet opposite pole each other.Each rotor magnetic of rotor core 28
A permanent magnet 2 14 is pasted with pole groove 26, and each 2 14 inner radial surface of permanent magnet forms a rotor main pole.Per
The side of one permanent magnet 2 14 magnetization adjacent rotor salient pole two, formed one auxiliary with the rotor of permanent magnet opposite pole each other
Magnetic assist pole.Rotor main pole sets up rotor permanent magnet magnetic field jointly with rotor auxiliary magnetic pole.
The inner radial surface of permanent magnet 1 or permanent magnet 2 14 is to pawl pole part 1 or the footpath of pawl pole part 2 32
The motor air gap of exterior surface is permanent magnet air gap.The inner radial surface of rotor with salient pole one or rotor with salient pole two is to pawl pole portion
The motor air gap of the radially-outer surface of part 1 or pawl pole part 2 32 is salient pole air gap.Salient pole gas length is less than permanent magnetism
Body gas length.The radially-outer surface of the inner radial surface of mouse cage iron core 6 to pawl pole part 1 or pawl pole part 2 32
Motor air gap is mouse cage iron core air gap.
With reference to Figure 13 to Figure 19, the running of segmentation phase shift outer rotor permanent magnet motor is：
When starting, shift capacitor is connected in 2 15 circuit of stator winding the outer rotor permanent magnet motor, Huo Zheyi
Phase capacitances in series in one 10 circuit of stator winding, after the outer rotor permanent magnet motor switches on power, stator winding one
10 with the by ninety degrees electrical angle of 2 15 voltage-phase of stator winding.Also, each magnetic pole of the stator of pawl pole part 1 with
Each magnetic pole of the stator of pawl pole part 2 32 spatially by ninety degrees electrical angle.
Sometime, the stator field of pawl pole part 1 passes through mouse cage iron core 6, afterwards sometime, pawl pole part
2 32 stator field passes through the stator field of mouse cage iron core 6, the stator field of pawl pole part 1 and pawl pole part 2 32 to hand over
Replace through mouse cage iron core 6, stator rotating excitation field, 25 cutting stator of the mouse cage sliver rotation of rotor cage 7 is formed in mouse cage iron core 6
The magnetic line of force for turning magnetic field produces asynchronous starting torque, and rotor part is pulled in rotating speed.The permanent magnet 1 of rotor part, forever
Magnet 2 14, rotor with salient pole one, rotor with salient pole two are interacted with stator rotating excitation field and produce synchronizing torque, and the outer rotor is forever
Magnetic-synchro motor enters synchronous operation state.
The outer rotor permanent magnet motor when six types of severe debility disease synchronization is run, the rotor field magnetic force of permanent magnet 1
One of thread path 33 is that the magnetic line of force is entered through permanent magnet air gap from the N poles of one 3 inner radial surface of permanent magnet, the magnetic line of force
The s1 magnetic poles of pawl pole part 1, the magnetic line of force enter rotor core 1 from the n1 magnetic poles of pawl pole part 1 through salient pole air gap
S ' magnetic poles, the magnetic line of force returns to one 3 radially-outer surface of permanent magnet, forms closed-loop path.The rotor field magnetic force of permanent magnet 1
The two of thread path 33 are, the magnetic line of force is the radially-outer surface of the permanent magnet 1 of S poles from inner radial surface, and the magnetic line of force is from turning
N ' the magnetic poles of sub- iron core 1 enter the s1 magnetic poles of pawl pole part 1 through salient pole air gap, and the magnetic line of force is from pawl pole part 1
Through permanent magnet air gap, the magnetic line of force returns to one 3 inner radial surface of permanent magnet to n1 magnetic poles, forms closed-loop path.
The outer rotor permanent magnet motor when quadrupole synchronization is run, the rotor field magnetic force of permanent magnet 1
Thread path 33 is that the magnetic line of force is the radially-outer surface of the permanent magnet 1 of S poles from inner radial surface, and the magnetic line of force is from rotor ferrum
N ' the magnetic poles of core 1 enter the s1 magnetic poles of pawl pole part 1, n1 magnetic of the magnetic line of force from pawl pole part 1 through salient pole air gap
Through permanent magnet air gap, the magnetic line of force returns to one 3 inner radial surface of permanent magnet for pole, forms closed-loop path.
The outer rotor permanent magnet motor produces stator rotating excitation field using pawl pole part, and the cutting of mouse cage sliver 25 is fixed
The magnetic line of force of sub- rotating excitation field produces asynchronous starting torque, and rotor part is pulled in rotating speed.Rotor part adopts motor
Rotor auxiliary magnetic pole and stator rotary magnetic that the permanent magnet of number of magnetic poles half quantity and permanent magnet magnetization adjacent rotor salient pole are formed
Field interactions produces synchronizing torque.Two stator winding are centralized windings, and atomization degree height, cost of labor are low.
The outer rotor permanent magnet motor can asynchronous starting, permanent magnet consumption is few, possesses electric efficiency high, low cost excellent
Point, meets needs of the axial flow blower market to energy-saving motor.
Claims (2)
1. a kind of segmentation phase shift outer rotor permanent magnet motor, it is characterised in that the synchronous electricity of segmentation phase shift external rotor permanent magnet
Motivation includes stator component, rotor part；Radial outside of the rotor part installed in stator component；The external rotor permanent magnet synchronization
Motor has two poles, quadrupole, six types of severe debility disease rotating speed specification；The outer rotor permanent magnet motor adopts electric capacity phase shift；
Stator component includes fixing axle (1), every magnetic bushing (2), pawl pole ring flange one (9), stator winding one (10), pawl pole flange
Disk two (11), every magnetic orientation ring (12), pawl pole ring flange three (13), stator winding two (15), pawl pole ring flange four (16)；
Fixing axle (1) is in cylinder；Cylindrical every magnetic bushing (2), it is every magnetic bushing axis hole, every magnetic in the middle of magnetic bushing (2)
Bushing (2) material is non-magnet material；It is in annular every magnetic orientation ring (12), is every magnetic orientation ring in the middle of magnetic orientation ring (12)
Axis hole, every magnetic orientation ring (12) material be non-magnet material；
Stator winding one (10), stator winding two (15) structure identical, stator winding one (10), stator winding two (15) are respectively
Including coil rack (21), winding coil (22), it is skeleton axis hole (23) in the middle of coil rack (21), winding coil (22) is installed
On coil rack (21)；
Pawl pole ring flange one (9), pawl pole ring flange two (11), pawl pole ring flange three (13), the structure of pawl pole ring flange four (16)
Identical, which has one cylindrical circular pawl pole flange (20) respectively, and the centre of pawl pole flange (20) is pawl pole axis hole (19), pawl pole
Flange (20) radial outside is evenly equipped with several pawl poles (17) and pawl pole groove (18) successively, and the axial cross section of pawl pole (17) is in L
Shape, each pawl pole (17) radially-outer surface formed a magnetic pole of the stator, pawl pole ring flange one (9), pawl pole ring flange two (11),
Pawl pole ring flange three (13), pawl pole (17) quantity of pawl pole ring flange four (16) are the half of motor poles number respectively；
When stator component is assembled, respectively fixed for pawl pole flange (20) insertion of pawl pole ring flange one (9), pawl pole ring flange two (11)
In the skeleton axis hole (23) of sub- winding one (10), pawl pole (17) the insertion pawl pole ring flange two (11) of pawl pole ring flange one (9)
The upper end of pawl pole groove (18), the pawl pole groove of pawl pole (17) the insertion pawl pole ring flange one (9) of pawl pole ring flange two (11)
(18) upper end, pawl pole ring flange one (9), stator winding one (10), the composition pawl pole of pawl pole ring flange two (11) part one (28)；
The pawl pole flange (20) of pawl pole ring flange three (13), pawl pole ring flange four (16) is inserted stator winding two (15) respectively
In skeleton axis hole (23), the pawl pole groove (18) of pawl pole (17) the insertion pawl pole ring flange four (16) of pawl pole ring flange three (13)
Upper end, the upper end of the pawl pole groove (18) of pawl pole (17) the insertion pawl pole ring flange three (13) of pawl pole ring flange four (16), pawl pole
Ring flange three (13), stator winding two (15), the composition pawl pole of pawl pole ring flange four (16) part two (32)；
Fixing axle (1) insertion every magnetic bushing (2) in magnetic bushing axis hole, then successively pawl pole part one (28), fixed every magnetic
Position ring (12), pawl pole part two (32) are installed in the radial outside every magnetic bushing (2)；Each stator of pawl pole part one (28)
Each magnetic pole of the stator of magnetic pole and pawl pole part two (32) spatially by ninety degrees electrical angle；
Rotor part includes permanent magnet one (3), rotor core one (4), rotor sleeve (5), mouse cage iron core (6), rotor cage
(7), rotor core two (8), permanent magnet two (14)；Rotor sleeve (5) is cylindrical；
Rotor core one (4) is overrided to form by several one punchings of rotor core, and one Material quality of lamination of rotor core is permeability magnetic material,
Rotor core one (4) is in annular；Uniform two of quadrupole and six types of severe debility disease rotating speed specification one (4) radial inside edge of rotor core turns
Sub- magnetic pole groove (26), are rotor with salient pole one between two neighboring rotor magnetic pole groove (26)；The rotor core one of two pole rotating speed specifications
(4) radial inside edge has a rotor magnetic pole groove (26) and a rotor with salient pole one；
Rotor core two (8) is identical with the structure of rotor core one (4)；Rotor core two (8) is rushed by several rotor cores two
Piece is overrided to form, and two Material quality of lamination of rotor core is permeability magnetic material, and rotor core two (8) is in annular；Quadrupole and six types of severe debility disease rotating speed
The uniform two rotor magnetic pole grooves (26) of two (8) radial inside edge of rotor core of specification, two neighboring rotor magnetic pole groove (26)
Between be rotor with salient pole two；Two (8) radial inside edge of rotor core of two pole rotating speed specifications has a rotor magnetic pole groove (26)
With a rotor with salient pole two；
Permanent magnet one (3), permanent magnet two (14) are in tile shape；Rotor magnetic pole of the permanent magnet one (3) installed in rotor core one (4)
In groove (26)；Permanent magnet two (14) is in the rotor magnetic pole groove (26) of rotor core two (8)；
Mouse cage iron core (6) is overrided to form by several mouse cage core stampings, and mouse cage core stamping material is permeability magnetic material, mouse cage ferrum
Core (6) is mouse cage iron core inner chamber in a ring, in the middle of mouse cage iron core (6), mouse cage iron core (6) radial inside edge several Mus uniform
Cage wire casing；Rotor cage (7) has two cage rings (24) and several mouse cage slivers (25), mouse cage sliver (25) to be arranged on Mus
In the mouse cage wire casing of cage iron core (6)；
Rotor part assemble when, mouse cage iron core (6), rotor cage (7) be arranged on rotor sleeve (5) radially inner side pars intermedia
Position；The two ends that rotor core one (4), rotor core two (8) are separately mounted to rotor sleeve (5) radially inner side；Rotor core
One (4), the rotor magnetic pole groove (26) of rotor core two (8) axially aligns；
Permanent magnet after rotor part assembling, in one (4) upper two rotor magnetic pole grooves (26) of rotor core of six types of severe debility disease rotating speed specification
The pole polarity of one (3) inner radial surface opposite pole each other；Two (8) the upper two rotor magnetic of rotor core of six types of severe debility disease rotating speed specification
The pole polarity of two (14) inner radial surface of permanent magnet in pole groove (26) opposite pole each other；It is arranged on rotor core one (4)
Permanent magnet one (3) with axially align installed in the same pole polarity permanent magnet two (14) of rotor core two (8)；
One (3) inner radial surface of permanent magnet in one (4) upper two rotor magnetic pole grooves (26) of rotor core of quadrupole rotating speed specification
Pole polarity identical；Permanent magnet two in two (8) upper two rotor magnetic pole grooves (26) of rotor core of quadrupole rotating speed specification
(14) pole polarity of inner radial surface is identical；The permanent magnet one (3) of quadrupole rotating speed specification, two (14) inner radial surface of permanent magnet
Pole polarity identical, and permanent magnet one (3), permanent magnet two (14) axially align；
One (3) inner radial surface of permanent magnet in one (4) upper rotor magnetic pole groove (26) of rotor core of two pole rotating speed specifications
Pole polarity and two pole rotating speed specifications two (8) upper rotor magnetic pole groove (26) of rotor core in two (14) footpath of permanent magnet
The pole polarity of inner surface is identical, and permanent magnet one (3), permanent magnet two (14) axially align；
After rotor part assembling, in each rotor magnetic pole groove (26) of rotor core one (4), a permanent magnet one is pasted with
(3), each one (3) inner radial surface of permanent magnet forms a rotor main pole；Each permanent magnet one (3) magnetizes adjacent turn
The side of sub- salient pole one, forms the rotor auxiliary magnetic pole of and permanent magnet opposite pole each other；Rotor core two (8) every
A permanent magnet two (14) is pasted with one rotor magnetic pole groove (26), each two (14) inner radial surface of permanent magnet forms one
Individual rotor main pole；The side of each the magnetization adjacent rotor of permanent magnet two (14) salient pole two, formation one are mutual with the permanent magnet
Rotor auxiliary magnetic pole for opposite pole；Rotor main pole sets up rotor permanent magnet magnetic field jointly with rotor auxiliary magnetic pole；
The inner radial surface of permanent magnet one (3) or permanent magnet two (14) is to pawl pole part one (28) or pawl pole part two (32)
The motor air gap of radially-outer surface be permanent magnet air gap；The inner radial surface of rotor with salient pole one or rotor with salient pole two is to pawl
The motor air gap of the radially-outer surface of pole part one (28) or pawl pole part two (32) is salient pole air gap；Salient pole gas length
It is less than permanent magnet gas length；The inner radial surface of mouse cage iron core (6) is to pawl pole part one (28) or pawl pole part two (32)
The motor air gap of radially-outer surface be mouse cage iron core air gap.
2. a kind of segmentation phase shift outer rotor permanent magnet motor according to claim 1, it is characterised in that segmentation is moved
The running of phase formula outer rotor permanent magnet motor is：
When starting, shift capacitor is connected in two (15) circuit of stator winding the outer rotor permanent magnet motor, or
Shift capacitor is connected in one (10) circuit of stator winding, after the outer rotor permanent magnet motor switches on power, stator around
Group one (10) and the by ninety degrees electrical angle of two (15) voltage-phase of stator winding；Also, each of pawl pole part one (28)
Each magnetic pole of the stator of magnetic pole of the stator and pawl pole part two (32) spatially by ninety degrees electrical angle；
Sometime, the stator field of pawl pole part one (28) passes through mouse cage iron core (6), afterwards sometime, pawl pole part
Two (32) stator field passes through mouse cage iron core (6), the stator field of pawl pole part one (28) to determine with pawl pole part two (32)
Sub- magnetic field alternately passes through mouse cage iron core (6), in mouse cage iron core (6) forms stator rotating excitation field, and the mouse cage of rotor cage (7) is led
The magnetic line of force of bar (25) cutting stator rotating excitation field produces asynchronous starting torque, and rotor part is pulled in rotating speed；Rotor portions
The permanent magnet one (3) of part, permanent magnet two (14), rotor with salient pole one, rotor with salient pole two are interacted with stator rotating excitation field and are produced
Synchronizing torque, the outer rotor permanent magnet motor enter synchronous operation state；
The outer rotor permanent magnet motor when six types of severe debility disease synchronization is run, the rotor field magnetic line of force of permanent magnet one (3)
One of path (33) is that the magnetic line of force enters through permanent magnet air gap from the N poles of one (3) inner radial surface of permanent magnet, the magnetic line of force
Enter s (1) magnetic pole of pawl pole part one (28), the magnetic line of force is entered through salient pole air gap from n (1) magnetic pole of pawl pole part one (28) and turned
S ' the magnetic poles of sub- iron core one (4), the magnetic line of force return to one (3) radially-outer surface of permanent magnet, form closed-loop path；Permanent magnet one (3)
Rotor field magnetic line of force path (33) two be that the magnetic line of force is the radial direction appearance of the permanent magnet one (3) of S poles from inner radial surface
Face is set out, and the magnetic line of force enters s (1) magnetic pole of pawl pole part one (28) from the N ' magnetic poles of rotor core one (4) through salient pole air gap,
From n (1) magnetic pole of pawl pole part one (28) through permanent magnet air gap, the magnetic line of force returns to the inside table in one (3) footpath of permanent magnet to the magnetic line of force
Face, forms closed-loop path；
The outer rotor permanent magnet motor when quadrupole synchronization is run, the rotor field magnetic line of force of permanent magnet one (3)
Path (33) is that the magnetic line of force is the radially-outer surface of the permanent magnet one (3) of S poles from inner radial surface, and the magnetic line of force is from rotor
N ' the magnetic poles of iron core one (4) enter s (1) magnetic pole of pawl pole part one (28) through salient pole air gap, and the magnetic line of force is from pawl pole part one
(2) through permanent magnet air gap, the magnetic line of force returns to one (3) inner radial surface of permanent magnet to n (1) magnetic pole of (8), forms closed-loop path.
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| CN201611074305.2A CN106505818B (en) | 2016-11-29 | 2016-11-29 | It is segmented phase shift outer rotor permanent magnet motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017712A (en) * | 2017-04-28 | 2017-08-04 | 南京航空航天大学 | The combined rotor structure of axial magnetic circuit excitation electromotor |
| CN108521183A (en) * | 2018-05-08 | 2018-09-11 | 大连碧蓝节能环保科技有限公司 | Mixed excitation claw-pole formula pole-changing generator rotor |
| CN108599414A (en) * | 2018-04-17 | 2018-09-28 | 宁波良泽机械科技有限公司 | Sleeve rotor annular permanent magnet servo motor |
| CN108683315A (en) * | 2018-05-25 | 2018-10-19 | 大连碧蓝节能环保科技有限公司 | Pawl pole disc type asynchronous motor |
| CN108832739A (en) * | 2018-08-31 | 2018-11-16 | 广东电网有限责任公司 | A kind of synchronous capacitor rotor and synchronous capacitor |
| CN111075837A (en) * | 2020-01-07 | 2020-04-28 | 浙江工业大学 | Three-support double-group control staggered arrangement magnetic pole non-uniform multi-redundancy magnetic bearing system |
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| CN104184291A (en) * | 2014-03-16 | 2014-12-03 | 赵晓东 | Double half-pole asynchronous-start permanent magnet synchronous motor and pole-changing speed- changing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107017712A (en) * | 2017-04-28 | 2017-08-04 | 南京航空航天大学 | The combined rotor structure of axial magnetic circuit excitation electromotor |
| CN108599414A (en) * | 2018-04-17 | 2018-09-28 | 宁波良泽机械科技有限公司 | Sleeve rotor annular permanent magnet servo motor |
| CN108521183A (en) * | 2018-05-08 | 2018-09-11 | 大连碧蓝节能环保科技有限公司 | Mixed excitation claw-pole formula pole-changing generator rotor |
| CN108521183B (en) * | 2018-05-08 | 2019-07-12 | 浙江威本工贸有限公司 | Mixed excitation claw-pole formula pole-changing generator rotor |
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| CN108683315B (en) * | 2018-05-25 | 2019-08-16 | 大连碧蓝节能环保科技有限公司 | Pawl pole disc type asynchronous motor |
| CN108832739A (en) * | 2018-08-31 | 2018-11-16 | 广东电网有限责任公司 | A kind of synchronous capacitor rotor and synchronous capacitor |
| CN111075837A (en) * | 2020-01-07 | 2020-04-28 | 浙江工业大学 | Three-support double-group control staggered arrangement magnetic pole non-uniform multi-redundancy magnetic bearing system |
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Effective date of registration: 20220817 Address after: Room 8, Hong Kong Building 8, Township Community, Ranghu Road District, Daqing City, Heilongjiang Province 163161 Patentee after: Daqing Caiyi Technology Development Co.,Ltd. Address before: 116600 No. 34-3 Harbin Road, Dalian Economic and Technological Development Zone, Liaoning Province Patentee before: DALIAN BILAN ENERGY SAVING ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |