CN106911237A - A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares - Google Patents
A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares Download PDFInfo
- Publication number
- CN106911237A CN106911237A CN201710259097.1A CN201710259097A CN106911237A CN 106911237 A CN106911237 A CN 106911237A CN 201710259097 A CN201710259097 A CN 201710259097A CN 106911237 A CN106911237 A CN 106911237A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- stator
- rotor
- magnetic
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares, belong to motor body design and its operation principle technical field, be mutually socketed by coaxial external stator, rotor and inner stator successively constitute from outside to inside；Between external stator and rotor, there is radial air gap between rotor and inner stator；External stator includes that armature core tooth, fault-tolerant teeth and stator yoke are constituted, rotor is made up of rotor field spider, magnetic conduction silicon steel block and magnetic insulation block, inner stator is made up of internal stator iron core and hybrid permanent-magnet cell block, the double-stator structure of this motor realizes armature winding and is separated with permanent magnet, solve many excitation sources in traditional flux switch permanent magnet motor spatially mutually pin down problem, easy lifting motor power density and torque density；While the consumption of rare earth permanent-magnetic material is effectively reduced, it is ensured that air gap flux density high, it is ensured that power of motor density and torque density, the flexible modulation in motor gas-gap magnetic field on the other hand can be realized, improve rotating speed range of operation.
Description
Technical field
The invention belongs to motor body design and its operation principle technical field, it is related to a kind of motor, more particularly to one
The many excitation source bimorph transducer magnetic fluxs of few terres rares planted for electric automobile switch the body design technology of memory electrical machines.
Background technology
The characteristics of rare-earth permanent-magnet electric machine has simple structure, efficiency high, big power density, is used in new energy vehicles motor
The research and development focus in field, are also the selection of domestic and international new-energy automobile manufacturers main flow.In recent years, a class permanent magnet is located at stator
Flux switch permanent magnet motor, special poly- magnetic effect can cause that the power density of motor is higher in its structure, on its rotor
Both without permanent magnet or without winding, structure is more stablized, rotary inertia is smaller, and flux switch permanent magnet motor is led in electric automobile application
The potential advantages in domain have attracted the attention of more and more related scholars.However, in the flux switch permanent magnet motor of prior art, it is dilute
The consumption of native permanent-magnet material is generally larger, and the source of supply of rare earth permanent-magnetic material is unstable and rise in price, causes such motor manufacturing
High cost, this also for rare-earth permanent-magnet electric machine new-energy automobile field large-scale promotion and application add it is uncertain because
Element.Therefore increasing expert and scholar begin one's study the deep exploitation and such as of rare-earth permanent-magnet electric machine middle rare earth permanent-magnet material
What effectively reduces the consumption of rare earth permanent-magnetic material.In addition, similar with traditional permagnetic synchronous motor, flux switch permanent magnet motor is encouraged
Magnetic source is single, and permanent magnetic field is constant to be difficult to adjust, and speed adjustable range is extremely limited, traditional mixing by setting up electrical excitation winding
In magnetic flux switch permanent magnet motor, the electrical excitation electric current being continuously applied can bring extra weak magnetic to be lost again, reduce motor effect
Rate.Therefore how to realize effective regulation in such motor gas-gap magnetic field be also always Related Research Domain focus and difficult point it
One.
To reduce the consumption of flux switch permanent magnet motor middle rare earth permanent-magnet material, Chinese Patent Application No.
201410508547.2 patents of invention disclose a kind of application process for mixing permanent magnet in flux switch permanent magnet motor, fixed
The different permanent magnet of two kinds of magnetic properties of rare earth permanent magnet and non-rare-earth ferrite of high energy product is employed in son, is effectively reduced dilute
The consumption of native permanent-magnet material.However, in order to maintain power density higher, obtaining enough magnetic fluxs, must just use sufficiently thick
The non-rare-earth ferrite material of degree, under the very limited flux switch permanent magnet motor structure of stator space, is difficult to realize, also can
Cause the increase of motor manufacturing size.
To realize the effective regulation to flux switch permanent magnet motor air-gap field, Chinese Patent Application No.
201510663688.6 patents of invention disclose a kind of double power winding magneticfocusing hybrid permanent magnet memory electrical machines of bimorph transducer and China
The patent of invention of number of patent application 201510756639.7 discloses a kind of hybrid excitation type stator partition type hybrid permanent magnet magnetic flux and cuts
Memory electrical machine is changed, stator partition type structure is employed, the separation of armature winding and permanent magnet is realized, used in inner stator
High energy product rare-earth Nd-Fe-B and the non-rare earth aluminium nickel cobalt hybrid permanent magnet material of low-coercivity, reduce rare earth permanent-magnetic material consumption
Meanwhile, the regulation of Al-Ni-Co permanent magnet level of magnetization is realized by the size and Orientation of impulse magnetization electric current, so as to change motor
Air-gap field, reaches the purpose of broadening electric machine speed regulation scope.However, in such motor, two distinct types of permanent magnet and
Magnetization winding is all placed in inner stator so that inner stator complex structure, and external stator only coiling armature winding, low space utilization.
The patent of invention of Chinese Patent Application No. 201510756884.8 then discloses a kind of few terres rares wide range speed control hybrid permanent magnet magnetic flux and cuts
Double-stator motor is changed, it is similar with foregoing two kinds of motors, stator partition structure is equally employed, its inner stator only places hybrid permanent magnet
Unit, magnetization winding moves to external stator, but the hybrid permanent magnet magnetic circuit of its cascaded structure easily causes intercoupling for two kinds of permanent magnets
Influence, so as to reduce the practical adjustments scope in motor gas-gap magnetic field.
In sum, many excitation source flux switch motors of few terres rares of prior art are applied to new-energy automobile and drive neck
Domain, effective regulation and control, the broadening of electric machine speed regulation scope, the guarantee efficient high torque density of motor in motor gas-gap magnetic field
Under the premise of effectively reduce rare earth permanent-magnetic material consumption, reduce the aspect such as motor manufacturing cost and optimization electric machine structure, remain urgently
Problem to be solved.
The content of the invention
The object of the invention is directed to that traditional flux switch permanent magnet motor rare earth permanent-magnetic material consumption is big, motor manufacturing cost
High, air-gap field is difficult to the problem for adjusting, speed adjustable range is narrow and high-speed cruising efficiency is low, proposes that a kind of rotor structure is simple, fixed
Child partition formula structure, using rare-earth Nd-Fe-B and non-rare earth aluminium nickel cobalt hybrid permanent magnet material, with high power density, high efficiency,
The many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares of wide speed regulating range and low cost.
The technical scheme is that：A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares, including electricity
Casing, it is characterised in that：Few many excitation bimorph transducer magnetic flux memory motors of terres rares are from outside to inside successively by coaxial outer fixed
Son, rotor and inner stator are mutually socketed composition；There is footpath between the external stator and rotor, between the rotor and inner stator
To air gap；
The external stator is fixedly installed on the inwall of the motor casing, and the external stator is by external stator yoke portion, armature core tooth
Constituted with fault-tolerant teeth；The armature core tooth and fault-tolerant teeth are arranged along the inner peripheral surface uniform intervals of the external stator, described
Armature core tooth is provided with armature winding, and the fault-tolerant teeth is provided with magnetization winding；
The rotor is fixedly installed on motor output shaft, and the rotor is by rotor field spider, magnetic conduction silicon steel block and magnetic insulation block structure
Into；The magnetic conduction silicon steel block and magnetic insulation block are uniformly staggered in the outer round surface of the rotor field spider；
The inner stator is made up of internal stator iron core and hybrid permanent magnet cell block, and the hybrid permanent magnet cell block is along the circumferential direction equal
Even to be embedded in the stator core, the adjacent hybrid permanent magnet cell block tangentially magnetizes and is distributed in the opposite direction.
The external stator uses double-salient-pole structure, and armature core tooth is identical with the number of teeth of fault-tolerant teeth, and external stator yoke portion is ring
Shape structure.
The armature winding and magnetization winding are integrated distribution formula winding, and armature winding is m phase windings, and magnetization winding is
Single-phase winding.
The hybrid permanent magnet cell block is radially arranged side by side by rare earth Ru-Fe-Mn permanent magnet and non-rare earth Al-Ni-Co permanent magnet
The two-layer stratigraphic structure of setting.
The rotor is in integrally cylinder cup-shaped, and ring body is circumferentially staggered magnetic conduction silicon steel block and magnetic insulation block, is formed and adjusted
Ring structure processed.
The center line of the hybrid permanent magnet cell block aligns with the center line of armature core tooth, outside hybrid permanent magnet cell block
Footpath is equal to the external diameter of inner stator, and the internal diameter of hybrid permanent magnet cell block is equal to the motor diameter of axle, and non-rare earth Al-Ni-Co permanent magnet is close to and turns
Sub- side, near motor shaft side, adjacent hybrid permanent magnet cell block magnetizing direction is conversely, i.e. NS- for rare-earth Nd-Fe-B permanent magnet
SN is distributed.
The total number of teeth of external stator is X, the armature winding number of phases is m, magnetic conduction silicon steel block number is q, hybrid permanent magnet cell block
Number is K, and above-mentioned parameter meets relation：X=2mNc=2K and 2q=X ± 2n, n are positive integer, and Nc is the coil of a phase winding
Number.
Beneficial effects of the present invention are as follows：
(1) double-stator structure in the present invention realizes armature winding and is separated with permanent magnet, solves traditional magnetic flux switching forever
In magneto many excitation sources spatially mutually pin down problem；
(2) magnetize winding in the present invention and armature winding is located at external stator, only placed in inner stator and mix permanent-magnet material, simplify
Default minor structure, space availability ratio is high, easy lifting motor power density and torque density；
(3) rotor in the present invention is bordering on traditional magnetic gear modulation ring, functions only as the effect of magnetic conductive iron, simple structure, reliability
Property it is high, rotary inertia is small, be adapted to high-speed cruising；
(4) present invention employs rare-earth Nd-Fe-B and non-rare earth aluminium nickel cobalt hybrid permanent magnet material, on the one hand rare earth is effectively being reduced
While the consumption of permanent-magnet material, it is ensured that air gap flux density high, it is ensured that power of motor density and torque density, on the other hand may be used
To realize the flexible modulation in motor gas-gap magnetic field, rotating speed range of operation is improved；
(5) in inner stator of the present invention, the Nd-Fe-B permanent magnet of high energy product and the Al-Ni-Co permanent magnet of low-coercivity are radially simultaneously
Row two-layer equation is arranged, hybrid permanent magnet magnetic structure in parallel, and the influence that intercouples for reducing two kinds of different type permanent magnets is made
With；
(6) in the present invention armature winding and magnetization winding using centralized winding, with end it is short, leakage reactance is small, copper loss is low
Advantage, wherein magnetizing current duration are short, it is high that low, operational efficiency is lost.
Brief description of the drawings
Fig. 1 is that radial section of the invention illustrates figure structure schematic representation.
Fig. 2 is the hybrid permanent magnet magnetic of the motor under rotor diverse location a, b, c, d when aluminium nickel cobalt forward direction magnetizes in the present invention
Road and magnetic direction schematic diagram.
Fig. 3 is same armature winding linkage permanent magnet flux linkage change schematic diagram in the present invention.
Fig. 4 is for when rotor runs to position b in the present invention, Al-Ni-Co permanent magnet magnetizes with limit degaussing to reversely magnetizing
The distribution diagram of magnetic line of force of the motor under state.
Fig. 5 is that aluminium nickel cobalt forward direction completely magnetizes and the same armature winding reversely in the case of full degaussing is unloaded anti-in the present invention
Potential waveform figure.
In figure：External stator 1, external stator yoke portion 1-1, armature core tooth 1-2, fault-tolerant teeth 1-3, armature winding 1-4, magnetization around
Group 1-5, rotor 2, magnetic conduction silicon steel block 2-1, magnetic insulation block 2-2, inner stator 3, internal stator iron core 3-1, hybrid permanent magnet cell block 3-
2nd, rare-earth Nd-Fe-B permanent magnet 3-2a, non-rare earth Al-Ni-Co permanent magnet 3-2b.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of many excitation source bimorph transducer magnetic fluxs switching memory electrical machines of few terres rares, with a groove of external stator 12/turn
As a example by the sub pole motor of 11 poles/inner stator 6, the motor includes the external stator 1, the rotor 2 that are sequentially socketed from outside to inside and are coaxially disposed
With inner stator 3, there is radial air gap between external stator 1 and rotor 2, between rotor 2 and inner stator 3；
External stator 1 includes external stator yoke portion 1-1, armature core tooth 1-2, fault-tolerant teeth 1-3, armature winding 1-4 and the magnetization of ring-type
Winding 1-5.Along external stator inner surface circumferencial direction, 6 armature core tooth 1-2 and 6 fault-tolerant teeth 1-3 are uniformly interspersed.
Wherein, distributed armature winding 1-4, the single-phase integrated distribution formula of coiling on fault-tolerant teeth in coiling three-phase set on armature core tooth 1-2
Magnetization winding 1-5；
It is in cylinder cup-shaped that rotor 2 is overall, and ring body is circumferentially staggered 11 pieces of magnetic conduction silicon steel block 2-1 and 11 pieces of magnetic insulation block 2-2,
Form the modulation ring structure of similar magnetic gear；
Inner stator 3 includes the internal stator iron core 3-1 and internal 6 hybrid permanent-magnet cell block 3-2 for circumferentially uniformly embedding.Often
One hybrid permanent magnet cell block 3-2 by rare-earth Nd-Fe-B permanent magnet 3-2a and non-rare earth Al-Ni-Co permanent magnet 3-2b radially simultaneously
Row put composition, and center line keeps concordant with corresponding armature core tooth 1-2 center lines.Hybrid permanent magnet cell block 3-2's is outer
Footpath is equal to the external diameter of inner stator 3, and the internal diameter of hybrid permanent magnet cell block 3-2 is equal to the motor diameter of axle, non-rare earth Al-Ni-Co permanent magnet 3-
, near the side of rotor 2, rare-earth Nd-Fe-B permanent magnet 3-2a is near motor shaft side for 2b.Two kinds of permanent magnets are cutting orientation magnetizing, and
Adjacent hybrid permanent-magnet cell block magnetizing direction is conversely, i.e. NS-SN distributions, arrow represents the direction of magnetization in figure.
Motor of the present invention uses double-sided stator structure, it is possible to use various pole grooves coordinate, but needs the armature described in guarantee
Core tooth 1-2 and fault-tolerant teeth 1-3 total number Xs, armature winding number of phases m, rotor magnetic conduction silicon steel block number q, hybrid permanent-magnet unit block number K
Meet relation：X=2mNc=2K and 2q=X ± 2n, wherein, n is positive integer, the coil number that Nc is a phase winding.
As Figure 2-3, a kind of operation logic of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares is as follows：
Fig. 2 (a), (b), (c), (d) are shown respectively rotor 2 under diverse location a, b, c, d, the hybrid permanent magnet magnetic circuit of the motor and magnetic field
Direction.Wherein, when rotor goes to position b, the magnetic flux that hybrid permanent magnet cell block is produced is led by internal stator iron core and rotor
Magnetic silicon steel block, into external stator armature core tooth, by external stator yoke portion 1-1, then sequentially passes through another adjacent fault-tolerant teeth, turns
The magnetic conduction silicon steel block and internal stator iron core of son, form hybrid permanent magnet magnetic circuit in parallel.For armature winding 1-4, its two ends
Corresponding back-emf can be induced.When rotor goes to position d, navigate within armature winding 1-2 magnetic flux quantity is constant but direction
Conversely.That is, in Fig. 2 (a) and Fig. 2 (c), the linkage sensing magnetic flux that armature winding is produced under hybrid permanent magnet magnetic field is zero, Fig. 2
B in () and Fig. 2 (d), the magnetic linkage amplitude of armature winding linkage is respectively positive and negative maximum.Then, after rotor rotates, magnetic conduction
Silicon steel block rotates to the South Pole from the arctic for mixing permanent magnet, and circle as shown in Figure 3 can be produced in corresponding stator armature winding
Four positions in chain bipolarity magnetic linkage, wherein a, b, c, d difference corresponding diagram 2.
As illustrated in figures 4-5, many excitation source bimorph transducer magnetic flux switching memory electrical machines of a kind of few terres rares, using finite element simulation
Analysis, regulation performance of the research magnetization winding to motor-field of the present invention.Motor of the present invention is by neodymium iron boron and Al-Ni-Co permanent magnet
It is common that air-gap field is provided, magnetic field is produced by the pulse current for applying different size and direction to magnetization winding, change aluminium nickel
The level of magnetization of cobalt permanent magnet, so as to adjust air-gap field size.Due to magnetization winding applying is short-time current pulse, therefore
Pulse magnetic potential will not significantly affect air-gap field.When Al-Ni-Co permanent magnet is consistent with Nd-Fe-B permanent magnetic flow direction, such as Fig. 4
Shown in (a), the intensity of magnetization of Al-Ni-Co permanent magnet can be increased, air-gap field is strengthened, improve the load overload capacity of motor；
And when Al-Ni-Co permanent magnet is opposite with Nd-Fe-B permanent magnetic flow direction, shown in such as Fig. 4 (b), Nd-Fe-B permanent magnetic will be by aluminium nickel cobalt
Permanent magnetism is largely short-circuit, and hybrid permanent magnet cell block is internally formed loop so that air-gap field is significantly reduced, in the armature winding amount of imports
Determine electric current it is constant in the case of, reduce motor output torque, improve motor output speeds, play a part of weak magnetic speed-up, energy
Improve the speed adjustable range of motor.So as to the weak magnetic speed-up for realizing motor runs.
As illustrated, a kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares, aluminium nickel cobalt under no-load condition
Armature winding counter potential waveform figure when reversely full degaussing and forward direction completely magnetize, it can be seen that the virtual value of back-emf becomes from 20V
Change to 44V, amplitude of variation is up to 120%, further illustrate in motor of the present invention, it is non-dilute that magnetization winding can reach on-line control
The intensity of magnetization of native Al-Ni-Co permanent magnet and the purpose of flux density level, so as to realize having for the air-gap field of motor of the present invention
Effect regulation, widens the speed adjustable range of motor of the present invention.
The double-stator structure of this motor realizes armature winding and is separated with permanent magnet, solves traditional magnetic flux switching permanent magnetism
In motor many excitation sources spatially mutually pin down problem, the magnetization winding and armature winding of this motor are located at external stator, interior
In stator only place mix permanent-magnet material, simplify default minor structure, space availability ratio is high, easy lifting motor power density and turn
Square density；At the same time, rare-earth Nd-Fe-B and non-rare earth aluminium nickel cobalt hybrid permanent magnet material are employed, is on the one hand effectively reducing dilute
While the consumption of native permanent-magnet material, it is ensured that air gap flux density high, it is ensured that power of motor density and torque density, on the other hand
The flexible modulation in motor gas-gap magnetic field can be realized, rotating speed range of operation is improved.
Claims (7)
1. a kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares, including motor casing, it is characterised in that：It is described few
The many excitation bimorph transducer magnetic flux memory motors of terres rares are from outside to inside successively by coaxial external stator (1), rotor (2) and inner stator
(3) mutually socket is constituted；There is footpath between the external stator (1) and rotor (2), between the rotor (2) and inner stator (3)
To air gap；
The external stator (1) is fixedly installed on the inwall of the motor casing, the external stator (1) by external stator yoke portion (1-1),
Armature core tooth (1-2) and fault-tolerant teeth (1-3) are constituted；The armature core tooth (1-2) and fault-tolerant teeth (1-3) are along described outer fixed
The inner peripheral surface uniform intervals arrangement of sub (1), the armature core tooth (1-2) is provided with armature winding (1-4), the fault-tolerant teeth
(1-3) is provided with magnetization winding (1-5)；
The rotor (2) is fixedly installed on motor output shaft, the rotor (2) by rotor field spider, magnetic conduction silicon steel block (2-1) and
Magnetic insulation block (2-2) is constituted；The magnetic conduction silicon steel block (2-1) and magnetic insulation block (2-2) are uniformly staggered in the rotor branch
The outer round surface of frame；
The inner stator (3) is made up of internal stator iron core (3-1) and hybrid permanent magnet cell block (3-2), the hybrid permanent magnet unit
Block (3-2) is along the circumferential direction uniformly embedded in the stator core (3-1), the adjacent hybrid permanent magnet cell block (3-2)
Tangentially magnetize and be distributed in the opposite direction.
2. a kind of few many excitation source bimorph transducer magnetic fluxs of terres rares according to claim 1 switch memory electrical machines, and its feature exists
In：The external stator (1) uses double-salient-pole structure, and armature core tooth (1-2) is identical with the number of teeth of fault-tolerant teeth (1-3), external stator
Yoke portion (1-1) is cyclic structure.
3. a kind of few many excitation source bimorph transducer magnetic fluxs of terres rares according to claim 1 switch memory electrical machines, and its feature exists
In：The armature winding (1-4) and magnetization winding (1-5) are integrated distribution formula winding, and armature winding (1-4) is m phase windings,
Magnetization winding (1-5) is single-phase winding.
4. a kind of few many excitation source bimorph transducer magnetic fluxs of terres rares according to claim 1 switch memory electrical machines, and its feature exists
In：The hybrid permanent magnet cell block (3-2) is by rare earth Ru-Fe-Mn permanent magnet (3-2a) and non-rare earth Al-Ni-Co permanent magnet (3-
Two-layer stratigraphic structure 2b) being radially set up in parallel.
5. a kind of few many excitation source bimorph transducer magnetic fluxs of terres rares according to claim 1 switch memory electrical machines, and its feature exists
In：The rotor (2) is in integrally cylinder cup-shaped, and ring body is circumferentially staggered magnetic conduction silicon steel block (2-1) and magnetic insulation block (2-
2) modulation ring structure, is formed.
6. a kind of few many excitation source bimorph transducer magnetic fluxs of terres rares according to claim 1 switch memory electrical machines, and its feature exists
In：The center line of the hybrid permanent magnet cell block (3-2) aligns with the center line of armature core tooth (1-2), hybrid permanent magnet unit
The external diameter of block (3-2) is equal to the external diameter of inner stator (3), and the internal diameter of hybrid permanent magnet cell block (3-2) is equal to the motor diameter of axle, non-rare earth
Al-Ni-Co permanent magnet (3-2b) is near rotor (2) side, and rare-earth Nd-Fe-B permanent magnet (3-2a) is adjacent near motor shaft side
Hybrid permanent magnet cell block (3-2) magnetizing direction is conversely, i.e. NS-SN is distributed.
7. a kind of few many excitation source bimorph transducer magnetic fluxs of terres rares according to claim 1 switch memory electrical machines, and its feature exists
In：The total number of teeth of the external stator (1) is X, armature winding (1-4) number of phases is m, magnetic conduction silicon steel block (2-1) number is q, mixes forever
Magnetic cell block (3-2) number is K, and above-mentioned parameter meets relation：X=2mNc=2K and 2q=X ± 2n, n are positive integer, and Nc is a phase
The coil number of winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259097.1A CN106911237A (en) | 2017-04-20 | 2017-04-20 | A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259097.1A CN106911237A (en) | 2017-04-20 | 2017-04-20 | A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106911237A true CN106911237A (en) | 2017-06-30 |
Family
ID=59210051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710259097.1A Pending CN106911237A (en) | 2017-04-20 | 2017-04-20 | A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106911237A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768008A (en) * | 2018-05-30 | 2018-11-06 | 华中科技大学 | A kind of switch flux-linkage magneto |
| CN111654132A (en) * | 2020-06-22 | 2020-09-11 | 北京航空航天大学 | Wet-type permanent magnet fault-tolerant motor for aviation electro-hydrostatic actuator |
| CN113346705A (en) * | 2021-06-11 | 2021-09-03 | 湖南大学 | Surface-mounted low-harmonic hybrid permanent magnet memory motor |
| CN113381525A (en) * | 2021-04-13 | 2021-09-10 | 江苏交科能源科技发展有限公司 | Low-cost hybrid magnetic steel permanent magnet motor and use method thereof |
| CN113824226A (en) * | 2021-08-24 | 2021-12-21 | 扬州大学 | Alternating pole local HALBACH structure less rare earth mixed permanent magnet motor |
| CN114172335A (en) * | 2021-11-30 | 2022-03-11 | 中山大学 | Stator-partition hybrid excitation stator-rotor dual-permanent-magnet vernier motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232205A (en) * | 2008-01-25 | 2008-07-30 | 东南大学 | Variable flux permanent magnet synchronous motor |
| CN102290883A (en) * | 2011-08-26 | 2011-12-21 | 东南大学 | Redundant excitation double-armature winding multiphase magnetic flux switching motor with fault-tolerant teeth |
| US20120217834A1 (en) * | 2011-02-28 | 2012-08-30 | Uqm Technologies Inc. | Brushless pm machine construction enabling low coercivity magnets |
| CN105375715A (en) * | 2015-11-09 | 2016-03-02 | 江苏大学 | Little rare earth type wide speed regulation hybrid permanent magnetic flux switching double stator motor |
| CN105978268A (en) * | 2016-06-23 | 2016-09-28 | 扬州大学 | Modulation type brushless permanent magnet dual-rotor motor for hybrid electric vehicle |
| CN106208450A (en) * | 2016-08-01 | 2016-12-07 | 哈尔滨工业大学 | Increase the adjustable flux electric machine of magnetic-type built-in tangential |
-
2017
- 2017-04-20 CN CN201710259097.1A patent/CN106911237A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232205A (en) * | 2008-01-25 | 2008-07-30 | 东南大学 | Variable flux permanent magnet synchronous motor |
| US20120217834A1 (en) * | 2011-02-28 | 2012-08-30 | Uqm Technologies Inc. | Brushless pm machine construction enabling low coercivity magnets |
| CN102290883A (en) * | 2011-08-26 | 2011-12-21 | 东南大学 | Redundant excitation double-armature winding multiphase magnetic flux switching motor with fault-tolerant teeth |
| CN105375715A (en) * | 2015-11-09 | 2016-03-02 | 江苏大学 | Little rare earth type wide speed regulation hybrid permanent magnetic flux switching double stator motor |
| CN105978268A (en) * | 2016-06-23 | 2016-09-28 | 扬州大学 | Modulation type brushless permanent magnet dual-rotor motor for hybrid electric vehicle |
| CN106208450A (en) * | 2016-08-01 | 2016-12-07 | 哈尔滨工业大学 | Increase the adjustable flux electric machine of magnetic-type built-in tangential |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768008A (en) * | 2018-05-30 | 2018-11-06 | 华中科技大学 | A kind of switch flux-linkage magneto |
| CN111654132A (en) * | 2020-06-22 | 2020-09-11 | 北京航空航天大学 | Wet-type permanent magnet fault-tolerant motor for aviation electro-hydrostatic actuator |
| CN111654132B (en) * | 2020-06-22 | 2021-04-06 | 北京航空航天大学 | Wet-type permanent magnet fault-tolerant motor for aviation electro-hydrostatic actuator |
| CN113381525A (en) * | 2021-04-13 | 2021-09-10 | 江苏交科能源科技发展有限公司 | Low-cost hybrid magnetic steel permanent magnet motor and use method thereof |
| CN113346705A (en) * | 2021-06-11 | 2021-09-03 | 湖南大学 | Surface-mounted low-harmonic hybrid permanent magnet memory motor |
| CN113824226A (en) * | 2021-08-24 | 2021-12-21 | 扬州大学 | Alternating pole local HALBACH structure less rare earth mixed permanent magnet motor |
| CN113824226B (en) * | 2021-08-24 | 2022-07-15 | 扬州大学 | Alternating pole local HALBACH structure less rare earth mixed permanent magnet motor |
| CN114172335A (en) * | 2021-11-30 | 2022-03-11 | 中山大学 | Stator-partition hybrid excitation stator-rotor dual-permanent-magnet vernier motor |
| CN114172335B (en) * | 2021-11-30 | 2024-04-16 | 中山大学 | Stator-partitioned hybrid excitation stator-rotor double permanent magnet vernier motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106911237A (en) | A kind of many excitation source bimorph transducer magnetic flux switching memory electrical machines of few terres rares | |
| CN105375715B (en) | Few terres rares wide range speed control hybrid permanent magnet magnetic flux switching Double-stator motor | |
| CN105337429B (en) | A kind of hybrid excitation type stator partition type hybrid permanent magnet magnetic flux switches memory electrical machine | |
| CN105245073B (en) | Stator permanent magnetic type double-salient-pole disc type electric machine | |
| CN102832771B (en) | Combined-type flux switching permanent magnet motor | |
| CN109995211B (en) | Stator homopolar hybrid permanent magnet memory motor | |
| CN103199661B (en) | Built-in permanent magnet memory motor of magnetic flux switching type | |
| CN105141092A (en) | Magnetic gear type double-stator hybrid permanent magnet memory motor | |
| CN106329859A (en) | Dual-rotor counter-rotating permanent-magnet brushless wind driven generator | |
| CN105553128B (en) | A kind of mixed excited magnetic pass switch motor | |
| CN105207438A (en) | Magnetic field modulation type stator-rotor mixed permanent magnet memory motor | |
| CN203289210U (en) | A mixed excitation-type stator surface mounting-type double-salient-pole motor | |
| CN108347145A (en) | A kind of bimorph transducer hybrid permanent magnet memory electrical machine | |
| CN103248148A (en) | Mixed excitation stator surface-mounted double-salient motor | |
| CN104617726A (en) | Permanent magnet crossed type axial magnetic field magnetic flow switching type memory motor | |
| CN107579637A (en) | A kind of axial radial flux magneto | |
| CN107591979A (en) | Rotor axial magnetizes permanent magnet switched reluctance motor | |
| CN106787281A (en) | A kind of fractional-slot concentratred winding pole-changing memory electrical machine for not changing winding arrangement | |
| CN202503378U (en) | Three-phase hybrid excitation magnetic flux reversal motor | |
| CN112737153B (en) | Discrete automatic magnetic-regulating speed-regulating motor stator structure | |
| CN102005836B (en) | Magnetic flow switching dual-salient pole motor with reinforced outer rotor magnetic field | |
| CN108880038A (en) | Mix pole rotor and motor | |
| CN105914979B (en) | A kind of adjustable magnetic flow permanent magnet motor of the double subregions of few terres rares hybrid excitation type rotor | |
| CN110829652A (en) | Series-parallel magnetic circuit mixed magnetic pole type memory motor | |
| CN208063021U (en) | A kind of bimorph transducer hybrid permanent magnet memory electrical machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |