CN209233688U - A kind of permanent-magnet magnetic resistance combination birotor synchronous machine - Google Patents
A kind of permanent-magnet magnetic resistance combination birotor synchronous machine Download PDFInfo
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- CN209233688U CN209233688U CN201821564486.1U CN201821564486U CN209233688U CN 209233688 U CN209233688 U CN 209233688U CN 201821564486 U CN201821564486 U CN 201821564486U CN 209233688 U CN209233688 U CN 209233688U
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Abstract
A kind of permanent-magnet magnetic resistance combination birotor synchronous machine, the motor are mainly made of outer rotor (1), internal rotor (2) and stator (3)；Stator (3) is arranged between outer rotor (1) and internal rotor (2)；This method obtains entire rotor-position by estimation reluctance rotor position, and then realizes position Sensorless Control.The non-position sensor vector control method proposed is not necessarily to coordinate transform, and structure is simple, overcomes the complexity and the problem strong to parameter of electric machine dependence of conventional vector control.
Description
Technical field:
The utility model relates to a kind of permanent-magnet magnetic resistance combination birotor synchronous machine and its control systems.Belong to design of electrical motor
And its control system field.
Background technique:
There is the equipment for largely needing low speed high torque transmission system in modern industry, such as numerically-controlled machine tool, weight mine are mechanical, stone
Oily boring mechanic, large scale industry conveyer belt and Overloading etc., this kind of system are typical highly energy-consuming electromechanical equipment, power consumption
Account for about the 10% of industrial total power consumption.Currently, China's low speed high torque Drive mostly uses greatly " conventional rotating speed motor+deceleration
The driving method of gear mechanism ", but the deceleration transmission link having more can not only make that drive system is bulky, maintenance cost increases
Add, system reliability and operational efficiency reduction (efficiency of entire transmission chain is generally 75%~85%), and the gear of redundancy
Mechanism also brings along the technical problem of processing and manufacturing, transport assembly etc., can also generate oil seepage, noise pollution etc. and ask
Topic, therefore the direct drive mode for cancelling reduction gear is the high-end mechanized equipment of future development, improves transmission system entirety
The inevitable choice of performance.
Permanent magnet synchronous motor is developed rapidly in recent years, research work both domestic and external also Showed Very Brisk, due to no matter
As electronic or generator operation, permanent magnet synchronous motor is compared with induction machine, electric excitation synchronous motor and switched reluctance machines
All have simple structure, that brushless reliable, efficiency and power factor are high, starting torque is big, economical operation range is wide etc. is outstanding excellent
Benign energy, therefore large-scale popularization and application have been obtained in many fields, especially applied in low-speed high-torque direct driving system
Prospect is very wide.For raising torque density, the biggish intracavity space of low-speed high-torque direct driving permanent magnet synchronous motor is made full use of,
It reduces its cost, researches and develops novel permanent magnetic synchronous motor structure and new type rotor structure is important trend.
Utility model content
Purpose of utility model: the utility model provides a kind of permanent-magnet magnetic resistance combination birotor synchronous machine and its control system
System, that there are system reliabilities its object is to solving the deceleration transmission link in conventional low big torque transmission equipment is poor, runs
Low efficiency, it is at high cost the problems such as.The utility model is designed using dual-rotor structure simultaneously, and torque density can be improved, and reduces motor
Cost.
Technical solution: the utility model uses following technical scheme:
A kind of permanent-magnet magnetic resistance combination birotor synchronous machine, the motor are mainly made of outer rotor, internal rotor and stator；It is fixed
Son is arranged between outer rotor and internal rotor；
Outer rotor includes magnetic barrier formula reluctance rotor structure and magnetism-isolating loop, sees Fig. 2, it is by magnetic conduction that magnetic, which hinders formula reluctance rotor structure,
The structure of layer and the spaced composition of non-magnetic layer, each magnetic barrier formula reluctance rotor structure are fixed in magnetism-isolating loop by dovetail groove
Wall, magnetic hinder formula reluctance rotor structure setting between magnetism-isolating loop and stator；
Permanent magnet is provided on the outside of internal rotor；
The inner and outer surfaces of stator are uniformly slotted, respectively embedded in the inner and outer surfaces slot of stator a set of three-phase symmetrical around
Group, this is that winding in all slots is integrally referred to as a set of three-phase symmetric winding, actually inside and outside altogether to add up just only
Double winding.Winding in inside and outside stator slot is coupled using serial or parallel connection mode, forms total stator winding of the motor.
Magnetic layer and non-magnetic layer are all made of U-shaped structure in magnetic barrier formula reluctance rotor structure, and U-shaped structure is to hinder formula according to magnetic
The shape name of reluctance rotor；Magnetic barrier formula reluctance rotor structure, which is alternateed by magnetic layer with non-magnetic layer, to be formed, each magnetic conduction
It is connected between layer by dowel, forms non-magnetic layer between two layers adjacent of magnetic layer.
As long as the width of dowel is just met for the condition of mechanical strength.
Each magnetic layer is the structure gradually increased by centre to two sides width.That is width gradually increases from inside to outside
Add, as shown, the width of innermost layer is narrow, then innermost layer outer layer secondary internal layer width is wider than innermost layer, then, outside secondary internal layer
The width of internal layer again enclosed is wider than secondary internal layer, successively progressive, and the effect of this structure is carried out in specific embodiment combination Fig. 3
Explanation acts on as follows: magnetic hinder in each magnetic layer width differ, in the way of being sequentially reduced by two sides to interior thickness
Combination is more reasonably assigned with magnetic flux, preferably limits so that the magnetic flux that magnetic barrier two sides magnetic layer flows through is more and intermediate few
Magnetic flux path reduces the harmonic content in air-gap field, improves the sine in motor gas-gap magnetic field, reduces torque arteries and veins
It is dynamic, improve the performance of motor.
Every pole permanent magnet on the outside of internal rotor uses the incorgruous mode that magnetizes of muti-piece piecemeal, i.e., is divided into every pole permanent magnet more
Block, every piece is a region, can form multiple regions, and the magnetizing direction in each region is from both sides to the radial direction of centre and internal rotor
Angular separation is gradually reduced, and permanent magnet Surface Mount is on interior rotor outer surface.Intermediate vertical arrow direction is outer turns as shown in Figure 4
The radial direction of son；
To cooperate inner and outer rotors preferably with stator, the inner surface of stator uses score slot structure, the outer surface of stator
Using Distributed Winding structure.
Outer rotor is connected using cup configuration with bearing, and inner and outer rotors are coaxially connected.
Applied to the position Sensorless Control strategy of above-mentioned permanent-magnet magnetic resistance combination birotor synchronous machine, by estimating magnetic
Barrier formula reluctance rotor locations of structures obtains entire rotor-position, and entire rotor here refers to outer rotor and internal rotor, in turn
Realize position Sensorless Control；Rotor-position estimated value and revolving speed estimated value are obtained by rotor-position estimating module first, turned
Sub- position estimation module is realized in the controller, not in motor, by rotor-position estimated value and revolving speed estimated value point
It is not compared with rotor-position given value and rotary speed setting value, obtains rotor position error value and speed error value, rotor position
It sets error amount and speed error value passes through position control respectively and speed regulator obtains rotary speed setting value and torque reference value,
The reality output torque of motor is obtained by stator current space vector computing module and torque calculation module simultaneously, will be calculated
Motor reality output torque be input to torque controller, using the output signal of torque controller as three-phase current reference value meter
The input signal for calculating module obtains controlled current flow finally by current regulator to obtain the given value of threephase stator electric current
The control signal of PWM inverter controls novel synchronous motor of the invention.
Advantageous effect:
Be magnetic layer on the inside of a kind of outer rotor of the utility model permanent-magnet magnetic resistance combination birotor synchronous machine with it is non-magnetic
The alternate U-shaped magnetoresistive structures of layer, the incorgruous permanent magnet to magnetize of Surface Mount piecemeal on the outside of internal rotor.Motor is fixed using single stator structure
Sub- inner and outer surfaces are uniformly slotted, and respectively have a set of three-phase windings in inside and outside stator slot, and double winding uses serial or parallel connection mode
It is coupled, forms total stator winding of this kind of motor.Stator inner surface uses score slot structure, and stator outer surface uses Distributed Winding
Structure.Outer rotor is connected using cup configuration with bearing, and inner and outer rotors are coaxially connected.
A kind of permanent-magnet magnetic resistance combination birotor synchronous machine of the utility model uses non-position sensor vector control method,
Entire rotor-position is obtained by estimation reluctance rotor position, and then realizes position Sensorless Control.Estimated by rotor-position
Survey module and obtain rotor-position estimated value and revolving speed estimated value, by rotor-position estimated value and revolving speed estimated value respectively with rotor position
Set given value and rotary speed setting value be compared, obtain rotor position error value and speed error value, rotor position error value and
Speed error value passes through position control respectively and speed regulator obtains rotary speed setting value and torque reference value, while by stator
Current space vector computing module and torque calculation module obtain the reality output torque of motor, by the motor being calculated reality
Output torque is input to torque controller, using the output signal of torque controller as the defeated of three-phase current reference value computing module
Enter signal, to obtain the given value of threephase stator electric current, obtains controlled current flow PWM inverter finally by current regulator
Signal is controlled to control the novel synchronous motor of the utility model.
This kind of motor uses double rotor single stator structure, makes full use of the biggish inner cavity of low-speed high-torque direct driving synchronous motor
Space, substantially increases the torque density and stock utilization of motor, and can significantly reduce motor under Same Efficieney
Volume and weight.Under the premise of not considering radiating condition variation, the torque density and routine Dan Ding of double rotor single stator motor
Rotor electric machine, which is compared, can be improved 40% or so；In other words under equal-wattage, motor volume can reduce 30% or so.It is proposed
Not only structure is reliable, at low cost, high-efficient for Novel dual-rotor low-speed high-torque direct driving synchronous motor, but also has torque density
With outstanding advantages of mechanical integrity is high, electric machine structure stock utilization is high.
The Novel dual-rotor motor of the utility model while having traditional permanent magnetism auxiliary reluctance type rotor motor advantage,
Make permanent magnetism relatively independent with magnetoresistive structures again, solve permanent magnetism auxiliary reluctance type rotor design of electrical motor parameter it is more, optimize difficulty
Big problem, design method are more flexible；Motor is greatly reduced to permanent magnet demand and magnetic property requirements, and is reduced
Motor cost；Motor can generate electromagnetic torque and reluctance torque simultaneously, improve the torque density of motor, and two kinds of torque phases
It is mutually independent, the flexibility of control mode is greatly strengthened, the torque density of motor, efficiency, weak-magnetic speed-regulating ability and inverse are improved
Become the utilization rate of device.
Magnetic layer and non-magnetic layer on the utility model reluctance rotor use U-shaped structure, hand over equivalent to increase motor
Air gap on axis is conducive to the reluctance torque for improving motor to improve quadrature-axis reluctance；Each magnetic barrier structure uses the thickness of magnetic layer
Degree improves magnetic barrier structure to the modulating action in magnetic field, improves inner stator according to the structure being gradually reduced by centre to two sides
The sine of air-gap field, reduces harmonic content between rotor；Permanent magnet on internal rotor uses the incorgruous side of magnetizing of piecemeal
Formula can not only be such that the permanent magnetic field at the air gap more concentrates, and motor gas-gap magnetic flux distribution more levels off to sine,
Harmonic content is few, and flux density distribution is more uniform, can also further enhance rotor saliency, and then improves output electromagnetism
Torque capacity and permanent magnet utilization rate.Matched on the inside of stator with internal rotor durface mounted permanent magnet body, for solution motor speed it is lower,
Number of pole-pairs is more and the limited contradiction of slot number, stator inside use score slot structure, while utilizing the equivalent of fractional-slot winding
Distribution effect and the weakening effect to slot ripples back-emf, to achieve the effect that improve potential waveform and improve winding utilization.
Match on the outside of stator with outer rotor reluctance structure, in order to reduce motor harmonic content, improve reluctance torque, is improving back-emf just
String, stator outside use Distributed Winding structure.
Control mode responds strong robust vector control without position sensor side using the height based on stator current space vector
Method, this method obtains entire rotor-position by estimation reluctance rotor position, and then realizes position Sensorless Control.It is mentioned
Non-position sensor vector control method out is not necessarily to coordinate transform, and structure is simple, overcomes the complexity of conventional vector control
With the problem strong to parameter of electric machine dependence.
Detailed description of the invention
Fig. 1 is that a kind of permanent-magnet magnetic resistance of the utility model combines birotor synchronous machine structural schematic diagram；
Fig. 2 is the outer-rotor structure schematic diagram that a kind of permanent-magnet magnetic resistance of the utility model combines birotor synchronous machine；
Fig. 3 is that single magnetic hinders schematic diagram；
Fig. 4 is the incorgruous permanent magnet schematic diagram of arranging that magnetizes of piecemeal；
Fig. 5 is the vector control without position sensor original that a kind of permanent-magnet magnetic resistance of the utility model combines birotor synchronous machine
Manage block diagram.
Description of symbols:
1. outer rotor；2. internal rotor；3. stator；4. permanent magnet；5. stator slot；6. magnetic hinders formula reluctance rotor structure；6-1.
Magnetic layer；The non-magnetic layer of 6-2.；6-3. dowel；7. magnetism-isolating loop；8. position control；9. speed regulator；10. torque tune
Save device；11. three-phase current reference value computing module；12. current regulator；13. controlled current flow PWM inverter；14. three phase rectifier
Device；15. rotor-position estimating module；16. stator current space vector computing module；17. torque calculation module.
Specific embodiment
A kind of permanent-magnet magnetic resistance combination birotor synchronous machine, it is characterised in that: the motor is mainly by outer rotor 1, internal rotor 2
It is constituted with stator 3；Stator 3 is arranged between outer rotor 1 and internal rotor 2；
Outer rotor 1 includes magnetic barrier formula reluctance rotor structure 6 and magnetism-isolating loop 7, and it is by magnetic layer that magnetic, which hinders formula reluctance rotor structure 6,
The structure of 6-1 and the non-magnetic spaced composition of layer 6-2, each magnetic barrier formula reluctance rotor structure 6 are fixed on by dovetail groove every magnetic
7 inner wall of ring, magnetic hinder formula reluctance rotor structure 6 and are arranged between magnetism-isolating loop 7 and stator 3；
Permanent magnet 4 is provided on the outside of internal rotor 2；
The inner and outer surfaces of stator 3 are uniformly slotted, respectively embedded in the inner and outer surfaces slot of stator 3 a set of three-phase symmetrical around
Group, the winding in inside and outside stator slot are coupled using serial or parallel connection mode, form total stator winding of the motor.
Magnetic layer 6-1 and non-magnetic layer 6-2 is all made of U-shaped structure in magnetic barrier formula reluctance rotor structure 6；Magnetic hinders formula magnetic resistance and turns
Minor structure 6 is alternateed with non-magnetic layer 6-2 by magnetic layer 6-1 and is formed, and is connected between each magnetic layer 6-1 by dowel 6-3,
Non-magnetic layer 6-2 is formed between two layers adjacent of magnetic layer 6-1.
As long as the width of dowel is just met for the condition of mechanical strength.
Each magnetic layer 6-1 is the structure gradually increased by centre to two sides width.
It is the incorgruous permanent magnet 4 to magnetize of piecemeal on the outside of internal rotor 2, i.e., every piece of permanent magnet is divided into multiple regions, and each area
The magnetizing direction in domain is gradually reduced from both sides to centre and vertical direction angle, and 4 Surface Mount of permanent magnet is on 2 outer surface of internal rotor.
Intermediate vertical arrow direction is the radial direction of outer rotor as shown in Figure 4；
To cooperate inner and outer rotors preferably with stator, the inner surface of stator 3 uses score slot structure, the appearance of stator 3
Face uses Distributed Winding structure.
Outer rotor 1 is connected using cup configuration with bearing, and inner and outer rotors are coaxially connected.
Applied to a kind of above-mentioned position Sensorless Control strategy of permanent-magnet magnetic resistance combination birotor synchronous machine, feature
It is: 6 position of formula reluctance rotor structure is hindered by estimation magnetic to obtain entire rotor-position, and then realizes position-sensor-free control
System；Rotor-position estimated value and revolving speed estimated value are obtained by rotor-position estimating module 15 first, by rotor-position estimated value and
Revolving speed estimated value is compared with rotor-position given value and rotary speed setting value respectively, obtains rotor position error value and revolving speed misses
Difference, rotor position error value and speed error value pass through position control 8 respectively and speed regulator 9 obtains rotary speed setting value
It is while defeated by the reality that stator current space vector computing module 16 and torque calculation module 17 obtain motor with torque reference value
The motor reality output torque being calculated is input to torque controller 10 by torque out, and the output of torque controller 10 is believed
Number finally lead to as the input signal of three-phase current reference value computing module 11 to obtain the given value of threephase stator electric current
Overcurrent adjuster 12 obtains the control signal of controlled current flow PWM inverter 13 to control the novel synchronous of the utility model electricity
Machine.
It is described with reference to the accompanying drawings:
The utility model proposes a kind of permanent-magnet magnetic resistances to combine birotor synchronous machine, as shown in Figure 1, the motor by turning outside
Son 1, internal rotor 2, stator 3 are constituted.3 inner and outer surfaces of stator are uniformly slotted, and respectively embed a set of three-phase on 3 inner and outer surfaces slot of stator
Winding, and double winding is coupled using serial or parallel connection mode, forms total stator winding of the motor.Outside outer rotor 1 and stator
Side magnetoresistive structures match, and in order to reduce motor harmonic content, improve reluctance torque, improve back-emf sine, stator appearance
Face uses Distributed Winding structure.Internal rotor 2 matches with durface mounted permanent magnet body 4 on the inside of stator.To solve, motor speed is lower, pole
Logarithm is more and the limited contradiction of slot number, stator inner surface use score slot structure, while utilizing the equivalent of fractional-slot winding
Distribution effect and the weakening effect to slot ripples back-emf, to achieve the effect that improve potential waveform and improve winding utilization.
Fig. 2 is the outer-rotor structure schematic diagram that a kind of permanent-magnet magnetic resistance of the utility model combines birotor synchronous machine, outer to turn
Son is that the magnetic layer 6-1 U-shaped magnetic alternate with non-magnetic layer 6-2 hinders structure, and each independent magnetic barrier is fixed by dovetail groove.Birotor
Motor internal rotor uses permanent-magnet structure, and internal rotor uses magnetoresistive structures, so that motor is having permanent magnetism auxiliary reluctance type rotor electricity
While machine advantage, and make permanent magnetism relatively independent with magnetoresistive structures, solves permanent magnetism auxiliary reluctance type rotor design of electrical motor ginseng
The problem that number is more, optimization difficulty is big, design method are more flexible；Motor is greatly reduced to want permanent magnet demand and magnetic property
It asks, and reduces motor cost；Motor can generate electromagnetic torque and reluctance torque simultaneously, improve the torque density of motor,
And two kinds of torques are mutually indepedent, greatly strengthen the flexibility of control mode, improve the torque density of motor, efficiency, weak
The utilization rate of magnetic speed regulation capacity and inverter.
Fig. 3 is that single magnetic hinders structural schematic diagram.Magnetic, which hinders structure, mutually to be handed over by the magnetic layer 6-1 and non-magnetic layer 6-2 of U-shaped
For composition, it is connected between each magnetic layer by dowel 6-3, forms unified entirety.Under conditions of meeting mechanical strength, even
It is more narrower better to meet muscle 6-3, this will preferably limit magnetic flux and circulate along defined path, to improve the energy conversion effect of motor
Rate.In addition to this, each magnetic layer 6-1 width in magnetic barrier differs, the group in the way of being sequentially reduced by two sides to interior thickness
It closes, so that the magnetic flux that magnetic barrier two sides magnetic layer flows through is more and intermediate few, is more reasonably assigned with magnetic flux, preferably limits magnetic
Path reduces the harmonic content in air-gap field, improves the sine in motor gas-gap magnetic field, reduces torque pulsation,
Improve the performance of motor.
Fig. 4 is the incorgruous permanent magnet schematic diagram of arranging that magnetizes of piecemeal.Same permanent magnet is divided into different regions, and each region is filled
Magnetic mode is different, i.e., the magnetizing direction in each region from both sides to centre and vertical direction angle by the way of being gradually reduced.This
Sample can not only be such that the permanent magnetic field at the air gap more concentrates, and motor gas-gap magnetic flux distribution more levels off to sine,
Harmonic content is few, and flux density distribution is more uniform, can also further enhance rotor saliency, and then improves output electromagnetism
Torque capacity and permanent magnet utilization rate.In addition to this it is possible to cogging torque is efficiently reduced, it is torque pulsation inhibited.
The utility model proposes a kind of vector control without position sensor of permanent-magnet magnetic resistance combination birotor synchronous machine
Method as shown in figure 5, hindering 6 position of formula reluctance rotor structure by estimation magnetic to obtain entire rotor-position, and then is realized without position
Set sensor control；The non-position sensor vector control method of the utility model is not necessarily to coordinate transform, and structure is simple, overcomes
The complexity and the problem strong to parameter of electric machine dependence of conventional vector control.The output of the novel synchronous motor of the utility model
Torque is inner and outer rotors to be superimposed with stator field interaction result, since the salient pole of reluctance rotor synchronous motor is bigger,
It is easy to estimate rotor-position, therefore the utility model obtains entire rotor-position, Jin Ershi by estimation reluctance rotor position
Existing position Sensorless Control.The stator three-phase electricity flow valuve that will test is input to rotor-position estimating module 15, obtains rotor
Position estimation value and revolving speed estimated value subtract rotor-position estimated value by rotor-position given value, obtain rotor position error value,
Rotor position error value is input to position control 8, obtains rotary speed setting value, revolving speed estimated value is subtracted by rotary speed setting value,
Speed error value is obtained, speed error value is input to speed regulator 9, obtains torque reference value, while what be will test determines
Sub- three-phase electricity flow valuve is input to stator current space vector computing module 16 and obtains amplitude and the space of stator current space vector
Electrical angle, the reality output torque of motor is calculated by torque calculation module 17, subtracts reality output by torque reference value
Torque obtains motor torque error amount, and motor torque error amount is input to torque controller 10, obtains stator current space arrow
Given value is measured, stator current space vector given value and three-phase current initial phase are input to three-phase current given value and calculate mould
Block 11 finally subtracts the inspection of stator three-phase current by threephase stator given value of current value to obtain the given value of threephase stator electric current
Measured value obtains threephase stator current error value, by threephase stator current error value be input to current regulator 12 obtain electric current can
The control signal of PWM inverter 13 is controlled to control the novel synchronous motor of the utility model.The position sensorless of the utility model
Device vector control method be not necessarily to coordinate transform, structure is simple, overcome conventional vector control complexity and to the parameter of electric machine according to
The problem of Lai Xingqiang.
Claims (7)
1. a kind of permanent-magnet magnetic resistance combines birotor synchronous machine, it is characterised in that: the motor is mainly by outer rotor (1), internal rotor
(2) it is constituted with stator (3)；Stator (3) is arranged between outer rotor (1) and internal rotor (2)；
Outer rotor (1) includes magnetic barrier formula reluctance rotor structure (6) and magnetism-isolating loop (7), and it is by leading that magnetic, which hinders formula reluctance rotor structure (6),
The structure of magnetosphere (6-1) and non-magnetic layer (6-2) spaced composition, each magnetic barrier formula reluctance rotor structure (6) pass through dovetail groove
It is fixed on magnetism-isolating loop (7) inner wall, magnetic hinders formula reluctance rotor structure (6) and is arranged between magnetism-isolating loop (7) and stator (3)；
Permanent magnet (4) are provided on the outside of internal rotor (2)；
The inner and outer surfaces of stator (3) are uniformly slotted, respectively embedded in the inner and outer surfaces slot of stator (3) a set of three-phase symmetrical around
Group, the winding in inside and outside stator slot are coupled using serial or parallel connection mode, form total stator winding of the motor.
2. a kind of permanent-magnet magnetic resistance according to claim 1 combines birotor synchronous machine, it is characterised in that: magnetic hinders formula magnetic resistance
Magnetic layer (6-1) and non-magnetic layer (6-2) are all made of U-shaped structure in rotor structure (6)；Magnetic hinder formula reluctance rotor structure (6) by
Magnetic layer (6-1) and non-magnetic layer (6-2) alternate composition, are connected between each magnetic layer (6-1) by dowel (6-3),
Non-magnetic layer (6-2) is formed between adjacent two layers of magnetic layer (6-1).
3. a kind of permanent-magnet magnetic resistance according to claim 2 combines birotor synchronous machine, it is characterised in that: dowel (6-
3) as long as width is just met for the condition of mechanical strength.
4. a kind of permanent-magnet magnetic resistance according to claim 1 combines birotor synchronous machine, it is characterised in that: each magnetic layer
(6-1) is the structure gradually increased by centre to two sides width.
5. a kind of permanent-magnet magnetic resistance according to claim 1 combines birotor synchronous machine, it is characterised in that: internal rotor (2)
Every pole permanent magnet (4) in outside uses the incorgruous mode that magnetizes of muti-piece piecemeal, i.e., every pole permanent magnet is divided into muti-piece, and every piece is one
A region, can form multiple regions, and the magnetizing direction in each region is from both sides to the radial direction angle of centre and internal rotor (2)
It is gradually reduced, permanent magnet (4) Surface Mount is on internal rotor (2) outer surface.
6. a kind of permanent-magnet magnetic resistance according to claim 1 combines birotor synchronous machine, it is characterised in that: stator (3)
Inner surface uses score slot structure, and the outer surface of stator (3) uses Distributed Winding structure.
7. a kind of permanent-magnet magnetic resistance according to claim 1 combines birotor synchronous machine, it is characterised in that: outer rotor (1)
It is connected using cup configuration with bearing, inner and outer rotors are coaxially connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821564486.1U CN209233688U (en) | 2018-09-21 | 2018-09-21 | A kind of permanent-magnet magnetic resistance combination birotor synchronous machine |
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| CN201821564486.1U CN209233688U (en) | 2018-09-21 | 2018-09-21 | A kind of permanent-magnet magnetic resistance combination birotor synchronous machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217595A (en) * | 2018-09-21 | 2019-01-15 | 沈阳工业大学 | Mix birotor synchronous machine and its control method |
| CN110611384A (en) * | 2019-09-12 | 2019-12-24 | 华中科技大学 | Magnetic circuit decomposition type vernier permanent magnet motor |
| CN112332570A (en) * | 2019-11-12 | 2021-02-05 | 沈阳工业大学 | Multipolar rotor of outer rotor low-speed synchronous reluctance motor |
-
2018
- 2018-09-21 CN CN201821564486.1U patent/CN209233688U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217595A (en) * | 2018-09-21 | 2019-01-15 | 沈阳工业大学 | Mix birotor synchronous machine and its control method |
| CN109217595B (en) * | 2018-09-21 | 2023-12-01 | 沈阳工业大学 | Hybrid double-rotor synchronous motor and control method thereof |
| CN110611384A (en) * | 2019-09-12 | 2019-12-24 | 华中科技大学 | Magnetic circuit decomposition type vernier permanent magnet motor |
| CN112332570A (en) * | 2019-11-12 | 2021-02-05 | 沈阳工业大学 | Multipolar rotor of outer rotor low-speed synchronous reluctance motor |
| CN112332570B (en) * | 2019-11-12 | 2023-09-12 | 沈阳工业大学 | Multipolar rotor of outer rotor low-speed synchronous reluctance motor |
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