CN105515313A - Magnetic chain paralleled double-rotor combined motor - Google Patents
Magnetic chain paralleled double-rotor combined motor Download PDFInfo
- Publication number
- CN105515313A CN105515313A CN201610108919.1A CN201610108919A CN105515313A CN 105515313 A CN105515313 A CN 105515313A CN 201610108919 A CN201610108919 A CN 201610108919A CN 105515313 A CN105515313 A CN 105515313A
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- Prior art keywords
- motor
- permanent magnet
- stator
- armature winding
- magnetic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a magnetic chain paralleled double-rotor combined motor which comprises a stator iron core, a permanent magnet, inner motor magneto-conductive teeth, outer motor magneto-conductive teeth, an inner armature winding, an outer armature winding, an inner rotor and an outer rotor. The inner motor magneto-conductive teeth and the outer motor magneto-conductive teeth are arranged on the stator iron core, the inner motor magneto-conductive teeth and a stator iron yoke form a U-shaped structure, the outer stator magneto-conductive teeth and the stator iron yoke form a T-shaped structure, the inner armature winding is arranged on an inner motor magnetic pole formed jointly by the inner motor magneto-conductive teeth and the permanent magnet, and the outer armature winding is wound on outer motor teeth. Two motor systems are integrated in a motor space, and magnetic circuits of inner and outer motors are parallelly connected to form two independent power paths which can be controlled respectively to be in different working states to meet load carrying needs, so that system reliability and flexibility are improved.
Description
Technical field
The invention belongs to technical field of motor manufacture, relate to a kind of magnetic linkage birotor compound machine in parallel.
Background technology
Traditional stator permanent-magnet type flux switch motor has torque density and the high feature of power density, stator and rotor are salient-pole structure, permanent magnet and armature winding are all positioned at stator side, rotor-side both without armature winding also without permanent magnet, structure is simple, mechanical strength is high, is applicable to high-speed cruising, and can run on comparatively under rugged environment condition.But traditional stator permanent-magnet type flux switch motor only adopts single rotor structure, and namely only have external rotor or internal rotor, mode of operation is single.
File ZL201210274466.1 proposes a kind of combined type flux switch motor structure, adopts double-rotor machine structure, and inside and outside two motors are independent of one another, drive inside and outside two rotor operations respectively.This motor has multiple-working mode, effectively can improve the flexibility of system cloud gray model, meets in modern drive system of electric automobile and industrial drives system high to motor operational flexibility, the requirement that reliability is high.But compound machine structure is due to the isolation of two motor stator yoke portions employing magnetism-isolating loops, and in order to prevent inside and outside motor-field to be coupled, inevitable requirement stator yoke thickness is comparatively large, thus adds motor volume.
Therefore, the present invention proposes a kind of magnetic linkage birotor compound machine in parallel, by inside and outside motor magnetic path parallel connection, form two separate power paths, under the prerequisite realizing motor multi-operation mode, effectively reduce motor yoke thickness, electric automobile and industrial drives system is little to motor volume, compact conformation, power density are high requirement can be met.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of magnetic linkage birotor compound machine in parallel of compact conformation, has higher torque and power density, can realize the flexible modulation of power division and motor running mode.
To achieve these goals, the technical solution used in the present invention is:
Magnetic linkage of the present invention birotor compound machine in parallel, this motor comprises the internal rotor, stator and the external rotor that arrange with one heart from the inside to the outside, and described two are equipped with air gap between rotor and stator; The outer surface of described internal rotor and the inner surface of external rotor are salient-pole structure, and described stator inner surface and outer surface are salient-pole structure; Described stator is made up of some stator cores and permanent magnet, embeds described permanent magnet between adjacent described stator core, and described permanent magnet magnetizing direction is tangential along stator circumference, and the magnetizing direction of adjacent described permanent magnet is contrary; It is characterized in that, described stator core comprises two interior motor magnetic teeth, stator iron yoke, outer motor magnetic teeth, described two interior motor magnetic teeth and outer motor magnetic teeth share described stator iron yoke, two interior motor magnetic teeth and stator iron yoke form " U " shape construction unit, outer motor magnetic teeth and the "T"-shaped construction unit of stator iron yoke piece; In described permanent magnet and its both sides, motor magnetic teeth in jointly forming, motor pole has interior armature winding or interval to have interior armature winding around the home all around the home; Outside motor magnetic teeth there are all around the home outer armature winding or interval to have outer armature winding around the home; Described interior armature winding and outer armature winding all adopt concentratred winding.
Further, described outer motor magnetic teeth outer surface is provided with outer motor permanent magnet, and described outer motor permanent magnet is along stator outer diameter circumference radial magnetizing, and outer motor permanent magnet magnetizing direction and permanent magnet magnetizing direction form cascaded structure on magnetic circuit.
Further, described internal rotor and external rotor are straight trough or flume structure.
Further, described interior motor magnetic teeth, stator iron yoke, outer motor magnetic teeth, internal rotor and external rotor all adopt silicon steel sheet permeability magnetic material.
Further, described permanent magnet and outer motor permanent magnet are neodymium iron boron, SmCo, ferrite or alnico magnetic material.
Magnetic linkage of the present invention birotor compound machine in parallel, interior motor is made up of internal rotor, interior motor magnetic teeth, iron yoke and permanent magnet, outer motor is made up of external rotor, outer motor magnetic teeth, iron yoke and permanent magnet, interior motor and outer motor form two non-interfering poower flow on magnetic circuit, have certainly every magnetic energy power.Therefore, this compound machine can regard the brushless electric machine of two platform independent as, can carry out independent control respectively, improves operational flexibility and the reliability of whole electric system.
beneficial effect
Magnetic linkage of the present invention birotor compound machine in parallel compared with prior art, has following beneficial effect:
1) magnetic linkage of the present invention birotor compound machine in parallel can be divided into interior motor and outer motor two parts, and the permanent magnetic field of interior motor and outer motor provides by the permanent magnet between interior motor adjacent two " U " shape core unit, effectively improves the utilance of permanent magnet;
2) motor magnetic circuit and outer motor magnetic path parallel connection in magnetic linkage of the present invention birotor compound machine in parallel, form two non-interfering power paths, have certainly every magnetic energy power;
3) in magnetic linkage of the present invention birotor compound machine in parallel, motor stator side is provided with permanent magnet, only there is armature winding outer motor stator side without permanent magnet, effectively improve the competition for space relation between outer motor stator side permanent magnet and armature winding, improve the space availability ratio of motor stator side, improve torque density and the power density of outer motor;
4) in magnetic linkage of the present invention birotor compound machine in parallel, motor and outer motor winding all adopt concentratred winding, effectively reduce winding overhang length, reduce copper loss, improve efficiency;
5) interior motor and outer motor are two separate electric systems, and can control to be operated in electronic-electronic, electric-generating, generating-electronic, generating-generating state respectively, mode of operation is flexible, is applicable to being applied in electric automobile;
6) inner and outer rotors side both without permanent magnet also without armature winding, eliminate brush and slip ring, be applicable to high-speed cruising, effectively improve the reliability of system cloud gray model;
7) interior motor and outer motor can realize electronics stepless time adjustment function, structurally replace planetary gear, and inside and outside motor can operate in electronic or generating state according to operating mode, and by electrical connection, eliminate the complex mechanical structures such as gear, effectively improve efficiency, reduce maintenance cost;
8) interior motor and outer motor share stator yoke, compact conformation, effectively improve space availability ratio and the power density of motor;
9) outer motor magnetic teeth surface can mount permanent magnet, magnetic circuit becomes cascaded structure with the set of permanent magnets between interior motor magnetic teeth, improves the power density of outer motor.
Accompanying drawing explanation
Fig. 1 is the magnetic linkage birotor compound machine in parallel structural representation of motor stator 12 grooves/rotor 10 pole in the embodiment of the present invention, outer motor stator 12 grooves/rotor 22 pole;
Fig. 2 is embodiment of the present invention magnetic linkage birotor compound machine in parallel magnetic circuit schematic diagram.
In figure: interior motor magnetic teeth 1, stator iron yoke 2, outer motor magnetic teeth 3, permanent magnet 4, interior armature winding 5, outer armature winding 6, internal rotor 7, external rotor 8, outer motor permanent magnet 9.
embodiment:
Below in conjunction with drawings and Examples, the invention will be further described.
Due under the different number of phases, magnetic linkage used for electric vehicle birotor compound machine in parallel structure is substantially identical; Below for the automotive mixed conjunction excitation flux linkage of the three-phase electric of stator 12 grooves/rotor 10 pole, outer motor stator 12 grooves/rotor 22 pole birotor compound machine in parallel.
As shown in Figure 1, composite excitation magnetic linkage of the present invention birotor compound machine in parallel, this motor comprises the internal rotor 7, stator and the external rotor 8 that arrange with one heart from the inside to the outside, and described two are equipped with air gap between rotor and stator; The outer surface of described internal rotor 7 and the inner surface of external rotor 8 are salient-pole structure, and described stator inner surface and outer surface are salient-pole structure; Described stator is made up of some stator cores and permanent magnet 4, embeds described permanent magnet 4 between adjacent described stator core, and described permanent magnet 4 magnetizing direction is tangential along stator circumference, and the magnetizing direction of adjacent described permanent magnet 4 is contrary; Described stator core comprises two interior motor magnetic teeth 1, stator iron yoke 2, outer motor magnetic teeth 3, described two interior motor magnetic teeth 1 share described stator iron yoke 2 with outer motor magnetic teeth 3, two interior motor magnetic teeth 1 form " U " shape construction unit with stator iron yoke 2, and outer motor magnetic teeth 3 forms "T"-shaped construction unit with stator iron yoke 2; In described permanent magnet 4 and its both sides, in the common formation of motor magnetic teeth 1, motor pole there is interior armature winding 5 all around the home; Motor magnetic teeth 3 there is all around the home outer armature winding 6 outside; Described interior armature winding 5 and outer armature winding 6 all adopt concentratred winding.
Described outer motor magnetic teeth 3 outer surface is provided with outer motor permanent magnet 9, described outer motor permanent magnet 9 is along stator outer diameter circumference radial magnetizing, and outer motor permanent magnet 9 magnetizing direction and permanent magnet 4 magnetizing direction form cascaded structure on magnetic circuit, increase air gap flux density, improve outer power of motor density.
Each coil in every interior armature winding 5 mutually differs 90 respectively with its locus central angle
o, 180
o, 270
othree coils forward connect, common form armature winding 5 in a phase; Each coil 6 in every outer armature winding mutually differs 90 respectively with its locus central angle
o, 180
o, 270
othree coils forward connect, common form the outer armature winding 6 of a phase.
Internal rotor of the present invention and external rotor are salient-pole structure, coaxial rotating, on two rotors both without permanent magnet also without armature winding, structure is simple, is applicable to high-speed cruising.
Magnetic linkage of the present invention birotor compound machine in parallel magnetic path parallel connection, as shown in Figure 2, form two separate power paths, independently can control inside and outside two cover armature winding, there is the multiple-working modes such as electronic-electronic, generating-electronic, electric-generating, generating-generating, improve the flexibility of motor operation; Inside and outside motor permanent magnetic field provides by permanent magnet between adjacent interior motor magnetic teeth, and improve permanent magnet utilance, internal stator and external stator share stator iron yoke, and compact conformation effectively improves the power density of motor; Inside and outside motor can do electronic or generator operation respectively, meets the demand that drive system of electric automobile operating mode is changeable; On rotor both without permanent magnet also without armature winding, structure is simple, is applicable to high-speed cruising.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (5)
1. a magnetic linkage birotor compound machine in parallel, this motor comprises the internal rotor (7), stator and the external rotor (8) that arrange with one heart from the inside to the outside, and described two are equipped with air gap between rotor and stator; The outer surface of described internal rotor (7) and the inner surface of external rotor (8) are salient-pole structure, and described stator inner surface and outer surface are salient-pole structure; Described stator is made up of some stator cores and permanent magnet (4), embeds described permanent magnet (4) between adjacent described stator core, and described permanent magnet (4) magnetizing direction is tangential along stator circumference, and the magnetizing direction of adjacent described permanent magnet (4) is contrary; It is characterized in that, described stator core comprises two interior motor magnetic teeth (1), stator iron yoke (2), outer motor magnetic teeth (3), described two interior motor magnetic teeth (1) share described stator iron yoke (2) with outer motor magnetic teeth (3), two interior motor magnetic teeth (1) form " U " shape construction unit with stator iron yoke (2), and outer motor magnetic teeth (3) and stator iron yoke (2) form "T"-shaped construction unit; The interior motor pole that motor magnetic teeth (1) is formed jointly in described permanent magnet (4) and its both sides there are interior armature winding (5) or interval to have interior armature winding (5) around the home all around the home; Outside motor magnetic teeth (3) there are all around the home outer armature winding (6) or interval to have outer armature winding (6) around the home; Described interior armature winding (5) and outer armature winding (6) all adopt concentratred winding.
2. magnetic linkage according to claim 1 birotor compound machine in parallel, it is characterized in that, described outer motor magnetic teeth (3) outer surface is provided with outer motor permanent magnet (9), described outer motor permanent magnet (9) is along stator outer diameter circumference radial magnetizing, and outer motor permanent magnet (9) magnetizing direction and permanent magnet (4) magnetizing direction form cascaded structure on magnetic circuit.
3. composite excitation magnetic linkage according to claim 1 birotor compound machine in parallel, it is characterized in that, described internal rotor (7) and external rotor (8) are straight trough or flume structure.
4. composite excitation magnetic linkage according to claim 1 birotor compound machine in parallel, it is characterized in that, described interior motor magnetic teeth (1), stator iron yoke (2), outer motor magnetic teeth (3), internal rotor (7) and external rotor (8) all adopt silicon steel sheet permeability magnetic material.
5. composite excitation magnetic linkage according to claim 1 birotor compound machine in parallel, is characterized in that, described permanent magnet (4) and outer motor permanent magnet (10) are neodymium iron boron, SmCo, ferrite or alnico magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108919.1A CN105515313B (en) | 2016-02-29 | 2016-02-29 | A kind of magnetic linkage birotor compound machine in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108919.1A CN105515313B (en) | 2016-02-29 | 2016-02-29 | A kind of magnetic linkage birotor compound machine in parallel |
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| Publication Number | Publication Date |
|---|---|
| CN105515313A true CN105515313A (en) | 2016-04-20 |
| CN105515313B CN105515313B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610108919.1A Active CN105515313B (en) | 2016-02-29 | 2016-02-29 | A kind of magnetic linkage birotor compound machine in parallel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217596A (en) * | 2018-11-30 | 2019-01-15 | 博众精工科技股份有限公司 | A kind of brushless, permanently double-rotor machine |
| CN111082622A (en) * | 2020-01-10 | 2020-04-28 | 南京航空航天大学 | Decoupling type birotor alternating pole permanent magnet motor |
| CN111162614A (en) * | 2020-01-10 | 2020-05-15 | 南京航空航天大学 | Stator modularized hybrid dual-rotor motor |
| WO2021104123A1 (en) * | 2019-11-27 | 2021-06-03 | 南方电机科技有限公司 | Motor and device comprising said motor |
| CN113285571A (en) * | 2021-07-26 | 2021-08-20 | 天津东凡科技股份有限公司 | Redundant excitation double-speed winding stator permanent magnet generator |
| CN114268204A (en) * | 2022-03-01 | 2022-04-01 | 天津滨海高新区河工电器科技有限公司 | Flux switching motor with double permanent magnets and double armature windings |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010035375A (en) * | 2008-07-30 | 2010-02-12 | Asmo Co Ltd | Motor |
| CN102832771A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Combined-type flux switching permanent magnet motor |
| CN202856573U (en) * | 2012-08-03 | 2013-04-03 | 东南大学 | Multivariant switch magnetic resistance motor |
| CN104377922A (en) * | 2014-11-25 | 2015-02-25 | 东南大学 | Dual-rotor switched reluctance motor with flux adjustment winding |
| CN105281514A (en) * | 2015-11-09 | 2016-01-27 | 江苏大学 | Parallel type mixing-magnetic-material-based composite-rotor-contained magnetic flux switching motor |
-
2016
- 2016-02-29 CN CN201610108919.1A patent/CN105515313B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010035375A (en) * | 2008-07-30 | 2010-02-12 | Asmo Co Ltd | Motor |
| CN102832771A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Combined-type flux switching permanent magnet motor |
| CN202856573U (en) * | 2012-08-03 | 2013-04-03 | 东南大学 | Multivariant switch magnetic resistance motor |
| CN104377922A (en) * | 2014-11-25 | 2015-02-25 | 东南大学 | Dual-rotor switched reluctance motor with flux adjustment winding |
| CN105281514A (en) * | 2015-11-09 | 2016-01-27 | 江苏大学 | Parallel type mixing-magnetic-material-based composite-rotor-contained magnetic flux switching motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217596A (en) * | 2018-11-30 | 2019-01-15 | 博众精工科技股份有限公司 | A kind of brushless, permanently double-rotor machine |
| WO2021104123A1 (en) * | 2019-11-27 | 2021-06-03 | 南方电机科技有限公司 | Motor and device comprising said motor |
| CN111082622A (en) * | 2020-01-10 | 2020-04-28 | 南京航空航天大学 | Decoupling type birotor alternating pole permanent magnet motor |
| CN111162614A (en) * | 2020-01-10 | 2020-05-15 | 南京航空航天大学 | Stator modularized hybrid dual-rotor motor |
| CN113285571A (en) * | 2021-07-26 | 2021-08-20 | 天津东凡科技股份有限公司 | Redundant excitation double-speed winding stator permanent magnet generator |
| CN114268204A (en) * | 2022-03-01 | 2022-04-01 | 天津滨海高新区河工电器科技有限公司 | Flux switching motor with double permanent magnets and double armature windings |
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| CN105515313B (en) | 2017-10-31 |
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