CN102158026B - Dual-rotor motor and hybrid vehicle taking dual-rotor motor as power - Google Patents
Dual-rotor motor and hybrid vehicle taking dual-rotor motor as power Download PDFInfo
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- CN102158026B CN102158026B CN 201110083477 CN201110083477A CN102158026B CN 102158026 B CN102158026 B CN 102158026B CN 201110083477 CN201110083477 CN 201110083477 CN 201110083477 A CN201110083477 A CN 201110083477A CN 102158026 B CN102158026 B CN 102158026B
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Abstract
The invention provides a dual-rotor motor and a hybrid vehicle taking a dual-rotor motor as power, belongs to the technical field of motors and hybrid power, and solves the problems that the conventional dual-rotor motor has poor radiating performance and a common hybrid vehicle cannot realize stepless speed regulation. The dual-rotor motor comprises a shell and a stator, wherein an outer rotor is arranged in the shell; one part of the outer rotor is positioned in the stator and the outer peripheral surface of the part is provided with a permanent magnet; the other part of the outer rotor is a hollow body and is extended out of the stator; a permanent magnet is arranged on the inner peripheral surface of the hollow body; an inner rotor is arranged on the hollow body; and a rotor winding is arranged on the inner rotor. The hybrid vehicle comprises an engine, a drive mechanism and a drive wheel; the dual-rotor motor is connected between the engine and the drive mechanism; the input end of the dual-rotor motor is connected with the engine; the output end is connected with the drive mechanism; and the dual-rotor motor is also connected with an output control module. The dual-rotor motor has high radiating performance and the hybrid vehicle can realize the stepless speed regulation.
Description
Technical field
The invention belongs to motor and technical field of hybrid power, the hybrid vehicle that relates to a kind of double-rotor machine and be used as power with double-rotor machine.
Background technology
Through the development of more than ten years, the hybrid power system assembly develops to motor of engine and gearbox integral structure from original engine and motor discrete topology, i.e. integrated hybrid drive train.Hybrid power assembly is with power transmission route classification, can be divided into three kinds of tandem, parallel and series parallel types etc.Common combined hybrid system is will be divided into from the power of engine machinery and electric power two paths by special distributing means for power supply, can bring into play tandem and parallel advantage, but complex structure, cost is very high, and simultaneously too much gear rotation can lower efficiency.
Advanced deep hybrid power system in the art, planetary gears links together engine, generator and motor and consists of electric power infinitely variable speeds hybrid power system, no matter how the speed of a motor vehicle changes, engine is always operating at efficient region, improved the fuel economy of motor vehicle driven by mixed power, but this system also exists complex structure, problem that volume is larger.Existing people discloses a kind of dual rotors mixed power composite magnetoelectric machine, magneto by inside and outside two radial magnetic structures forms, comprise by power shaft, internal rotor armature winding, internal rotor is unshakable in one's determination, the interior electric machine assembly that external rotor is unshakable in one's determination and the external rotor permanent magnet magnet steel forms, with by stator winding, stator core, the outer electric machine assembly that external rotor is unshakable in one's determination and the external rotor permanent magnet magnet steel forms, wherein the internal rotor iron core is fixed on the power shaft and therewith rotation, stator core is fixed on the casing, external rotor iron core and external rotor permanent magnet magnet steel and output shaft are rigidly connected, and rotate with output shaft, wherein unshakable in one's determination the and external rotor permanent magnet magnet steel of external rotor is shared by inside and outside motor.In addition, this structure also comprises makes cooling fluid by the flow through cooling system of internal rotor iron core of casing and power shaft, but the power performance of this structure is good not, and bad and this cooling system operation of radiating effect is not very convenient.
Common motor vehicle driven by mixed power is to be realized by ISG motor, motor and storage battery now, can not realize stepless speed regulation.
Summary of the invention
The present invention is directed to existing technology and have the problems referred to above, proposed a kind of double-rotor machine, this double-rotor machine can cooperate engine to transmit hybrid power, and it is good to have power performance, the advantage that thermal diffusivity is good.
Second purpose of the present invention is for a kind of hybrid vehicle that is used as power with double-rotor machine is provided, the advantage such as this hybrid vehicle can realize stepless speed regulation, has and operates steadily, and performance is good.
The present invention realizes by following technical proposal: a kind of double-rotor machine, comprise housing and be arranged on the interior stator of housing, it is characterized in that, be provided with external rotor in the described housing, described external rotor two ends are connected in the housing and with housing and circumferentially are rotationally connected, the part of external rotor is positioned at stator and is provided with permanent magnet at the outer peripheral face of this part, another part of external rotor is hollow body and stretches out outside the described stator, be provided with permanent magnet at the hollow body inner peripheral surface, in hollow body, be provided with internal rotor, one end of internal rotor is input, this end stretches out housing and circumferentially is rotationally connected with housing, the other end and the hollow body of internal rotor circumferentially are rotationally connected, and internal rotor is provided with the rotor winding that is complementary with above-mentioned hollow body permanent magnet.
This double-rotor machine forms first electric machine structure by external rotor and stator, and external rotor and internal rotor form second electric machine structure.The input of internal rotor is the power shaft of this double-rotor machine, and the output of external rotor is the output shaft of this double-rotor machine.In first electric machine structure, the permanent magnet magnetic line of force on the external rotor is from the permanent magnet N utmost point, radially pass the air gap between external rotor and the stator, arrive another adjacent permanent magnet S body top and radially pass the S utmost point that air gap between external rotor and the stator reaches this permanent magnet along the yoke section of stator, get back to the original permanent magnet S utmost point from the N utmost point of this permanent magnet along the yoke section of rotor again, form a closed-loop path.In second electric machine structure that external rotor and internal rotor form, the magnetic force of external rotor elder generation distribution mode is identical with the distribution mode of first electric machine structure.And control respectively the size of exciting current by the DC excitation current phasor of control rotor winding and stator, thereby the output torque of control double-rotor machine.
In above-mentioned double-rotor machine, described external rotor is the integral type structure, comprises the body of cylinder-like structure, and its body one end is to stretch out the outer output of housing, and the other end of body is connected in the housing by bearing.
In above-mentioned double-rotor machine, described external rotor is split-type structural, comprises armature spindle and the cylindric hollow body that is connected with armature spindle, and armature spindle is positioned at stator, and an end of armature spindle is to stretch out the outer output of housing.This split-type structural is convenient to make, and common motor reconstruct can be become double-rotor machine, designs simplification, cost, and good heat dissipation effect.
In above-mentioned double-rotor machine, along axially having teeth groove, above-mentioned rotor winding is arranged in the teeth groove on the outer peripheral face of described internal rotor, and the permanent magnet in the described hollow body and internal rotor form the radial flux structure.
In above-mentioned double-rotor machine, offer teeth groove on the described stator, in teeth groove, be provided with stator winding, the permanent magnet on the described external rotor and stator form the radial flux structure.
The radial flux structure of external rotor and internal rotor is separated, can not only avoid the phase mutual interference of magnetic, can reduce the layout difficulty of permanent magnet simultaneously, be convenient to make.
A kind of hybrid vehicle that is used as power with double-rotor machine, comprise engine, transmission mechanism and the driving wheel that is connected with transmission mechanism, it is characterized in that, between engine and transmission mechanism, be connected with double-rotor machine, the input of double-rotor machine is connected with engine, output is connected with transmission mechanism, also is connected with the control double-rotor machine and rotates to cooperate engine to send the output control module of different capacity on double-rotor machine.
This hybrid vehicle can be used double-rotor machine as buncher.During startup, output control module control double-rotor machine rotates, and drives engine rotation.Behind the engine start, output control module control double-rotor machine during less than required drive, provides power by double-rotor machine at engine power; When engine equaled required drive, double-rotor machine was not exported; Perhaps directly provide power by double-rotor machine.
In the above-mentioned hybrid vehicle that is used as power with double-rotor machine, described output control module comprises the first sensor that detects the input rotating speed, detect the second transducer of output rotating speed, respectively with the stator winding power circuit that is connected with the rotor winding and the motor control unit of controlling power circuit, above-mentioned first sensor, the second transducer and power circuit all are connected with motor control unit, motor control unit can receive the signal of telecommunication of first sensor and the conveying of the second transducer and carry out analyzing and processing, and the control power circuit that transmits control signal is simultaneously exported the above-mentioned double-rotor machine work of corresponding Current Control.
First sensor and the second transducer send the signal of telecommunication to motor control unit, and output control signal control power circuit was exported the work of corresponding Current Control double-rotor machine after motor control unit obtained the signal of telecommunication.
In the above-mentioned hybrid vehicle that is used as power with double-rotor machine, described power circuit comprises the storage battery that DC power supply is provided and the DC converter that is connected with storage battery, on DC converter, be connected with respectively the first inverter and the second inverter, described the first inverter is connected with stator winding, and described the second inverter is connected with the rotor winding.
When motor torque equals driving torque, engine speed less than, when being equal to, or greater than the speed of a motor vehicle, control not output current of the first inverter, control the size of the exciting current of the second inverter output, make the torque that produces and the torque balance of engine output.When motor torque less than driving torque, engine speed equals, less than or during greater than the speed of a motor vehicle, control the leading homodromal current phasor of the first inverter output, control torque and engine output torque balance that the second inverter output excitation current vector produces it.When motor torque greater than driving torque, engine speed less than, when being equal to, or greater than the speed of a motor vehicle, control the homodromal current phasor of the first inverter lag output, control the second inverter output excitation current vector and make the difference of the torque of torque that it produces and engine output equal the required driving torque of automobile.
Prior art is compared, this double-rotor machine and have the following advantages with the hybrid vehicle that double-rotor machine is used as power:
1, this double-rotor machine is arranged at external rotor and internal rotor composition electric machine structure outside the electric machine structure of stator and external rotor composition, so that the radiating effect of this double-rotor machine improves, has simplified simultaneously the arrangement requirement of permanent magnet, is convenient to make cost.
2, this hybrid vehicle can be used double-rotor machine as buncher.Control the current phasor that the first inverter and the second inverter are carried to stator and rotor winding, power that can hybrid engine, it is good to have power performance, and thermal diffusivity is good.
Description of drawings
Fig. 1 is the structural representation with double-rotor machine of integral structure external rotor;
Fig. 2 is the structural representation with double-rotor machine of split-type structural external rotor;
Fig. 3 is double-rotor machine hybrid vehicle principle schematic;
Fig. 4 is the schematic diagram that external rotor and stator form electric machine structure;
Fig. 5 is the schematic diagram that external rotor and internal rotor form electric machine structure;
Fig. 6 is magnetic line of force distribution schematic diagram among Fig. 4;
Fig. 7 is magnetic line of force distribution schematic diagram among Fig. 5;
Among the figure, housing 1; Stator 2; Teeth groove 021; Stator winding 022; External rotor 3; Body 031; Hollow body 0312; Armature spindle 032; Output 033; Bearing 4; Permanent magnet 5; Internal rotor 6; Rotor winding 061; Teeth groove 062; Input 063; Driving wheel 7; First sensor 8; The second transducer 9; Power circuit 10; Storage battery 101; DC converter 102; The first inverter 103; The second inverter 104; Motor control unit 11; Engine 12.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, this double-rotor machine comprises housing 1 and the stator 2 that is arranged in the housing 1, offers teeth groove 021 on the stator 2, is provided with stator winding 022 in teeth groove 021, and the permanent magnet 5 on the external rotor 3 in the housing 1 and stator 2 form the radial flux structures.External rotor 3 is the integral type structure, two ends are connected in the housing 1 and with housing 1 and circumferentially are rotationally connected, specifically, external rotor 3 comprises the body 031 of cylinder-like structure, its body 031 1 ends are the output 033 that stretches out outside the housing 1, output 033 is connected on the housing 1 by bearing 4, and the other end of body 031 is connected in the housing 1 by bearing 4.The part of external rotor 3 is positioned at stator 2 and is provided with permanent magnet 5 at the outer peripheral face of this part, another part of external rotor 3 is hollow body 0312 and stretches out outside the stator 2, be provided with permanent magnet 5 at hollow body 0312 inner peripheral surface, in hollow body 0312, be provided with internal rotor 6, one end of internal rotor 6 is input 063, this end stretches out housing 1 and circumferentially is rotationally connected with housing 1, the other end of internal rotor 6 and hollow body 0312 circumferentially are rotationally connected, namely connect by bearing 4, internal rotor 6 is provided with the rotor winding 061 that is complementary with hollow body 0312 permanent magnet 5.Specifically, along axially having teeth groove 062, rotor winding 061 is arranged in the teeth groove 062 on the outer peripheral face of internal rotor 6, and the permanent magnet 5 in the hollow body 0312 and internal rotor 6 form the radial flux structure.
As shown in Figure 2, as another kind of double-rotor machine, the external rotor 3 of this double-rotor machine is split-type structural, comprise armature spindle 032 and cylindric hollow body 0312, cylindric hollow body 0312 is connected by shaft coupling 034 with armature spindle 032, armature spindle 032 is positioned at stator 2, and an end of armature spindle 032 is the output 033 that stretches out outside the housing 1.External rotor 3 two ends are connected in the housing 1 and with housing 1 and circumferentially are rotationally connected, namely connect by bearing 4, the part of external rotor 3 is positioned at stator 2 and is provided with permanent magnet 5 at the outer peripheral face of this part, another part of external rotor 3 is hollow body 0312 and stretches out outside the stator 2, be provided with permanent magnet 5 at hollow body 0312 inner peripheral surface, in hollow body 0312, be provided with internal rotor 6, one end of internal rotor 6 is input 063, this end stretches out housing 1 and circumferentially is rotationally connected with housing 1, the other end of internal rotor 6 and hollow body 0312 circumferentially are rotationally connected, and internal rotor 6 is provided with the rotor winding 061 that is complementary with hollow body 0312 permanent magnet 5.
The hybrid vehicle that is used as power of this double-rotor machine as shown in Figure 3, comprise engine 12, transmission mechanism and the driving wheel 7 that is connected with transmission mechanism, between engine 12 and transmission mechanism, be connected with double-rotor machine, the input 063 of double-rotor machine is connected with engine 12, output 033 is connected with transmission mechanism, also is connected with the control double-rotor machine and rotates to cooperate engine 12 to send the output control module of different capacity on double-rotor machine.Output control module comprises the first sensor 8 that detects input 063 rotating speed, detect the second transducer 9 of output 033 rotating speed, is connected the power circuit 10 that is connected and the motor control unit 11 of control power circuit 10 with the rotor winding with stator winding respectively, first sensor 8, the second transducer 9 is connected with power circuit and all is connected with motor control unit 11, motor control unit 11 can receive the signal of telecommunication of first sensor 8 and 9 conveyings of the second transducer and carry out analyzing and processing, the above-mentioned double-rotor machine work of the control power circuit 10 corresponding Current Control of output that transmit control signal simultaneously.Power circuit 10 comprises the storage battery 101 that DC power supply is provided and the DC converter 102 that is connected with storage battery 101, is connected with respectively the first inverter 103 that is connected with stator winding and the second inverter 104 that is connected with rotor winding 061 on DC converter 102.
Shown in Fig. 4,5, the air gap that forms between external rotor 3 and internal rotor 6 is interior air gap, i.e. interstice; Be by stator 2 yoke sections in the periphery of external rotor 3, axially be formed at stator 2 teeth groove 021 on stator 2 inner peripherys and be positioned at the stator 2 that the stator winding 022 of teeth groove 021 consists of, the air gap that forms between external rotor 3 and stator 2 is outer air gap, i.e. the first air gap.Axis coinciding between internal rotor 6, external rotor 3, the stator 2.Stator winding 022 can be three-phase or polyphase windings, consists of the first electrical port, is connected with the first inverter 103; Rotor winding 061 can be three-phase or polyphase windings, consists of the second electrical port, is connected with the second inverter 104.Input 063 is with mechanical energy input or output, and output 033 is inputted mechanical energy or output by axle.First and second transducer and measure respectively input 063 and position and the rotating speed of output 033.Internal rotor 6 windings are drawn by the slip ring on the axle 2.
The control method of hybrid vehicle drive control system of the present invention is as follows:
The operating condition one of double-rotor machine of the present invention, when engine 12 torques equal driving torque, when engine 12 rotating speeds equaled the speed of a motor vehicle, the first inverter 103 target currents were given as zero, namely do not control; The second inverter 104 applies an excitation current vector that is ahead of the direct current in external rotor 3 magnetic fields, controls the size of this exciting current, makes torque that it produces under the effect in interstice magnetic field and the torque balance of engine 12 outputs.
The operating condition two of double-rotor machine of the present invention, when engine 12 torques equal driving torque, engine 12 rotating speeds are during less than the speed of a motor vehicle, and the first inverter 103 target currents are given as zero, namely do not control; The second inverter 104 applies an excitation current vector with input 063 equidirectional rotation, control the size of this exciting current, torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances, the rotating speed of controlling it equals the speed discrepancy of input 063 rotating speed and output 033, rotating speed and the output 033 rotating speed sum of namely controlling excitation current vector equate with the rotating speed of input 063, and phase place is ahead of the magnetic field phase place of interior motor in the air gap.
The operating condition three of double-rotor machine of the present invention, when engine 12 torques equal driving torque, engine 12 rotating speeds are during greater than the speed of a motor vehicle, and the first inverter 103 target currents are given as zero, namely do not control; The second inverter 104 applies an excitation current vector with input 063 opposite spin, control the size of this exciting current, torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances, the rotating speed of controlling it equals the speed discrepancy of input 063 rotating speed and output 033, rotating speed and the input 063 rotating speed sum of namely controlling excitation current vector equate with the rotating speed of output 033, and phase place is ahead of the magnetic field phase place of interior motor in the air gap.
The operating condition four of double-rotor machine of the present invention, when engine 12 torques less than driving torque, when engine 12 rotating speeds equal the speed of a motor vehicle, the first inverter 103 applies one and input 063 homodromal current phasor, and the phase place of this current phasor is ahead of the phase place in the magnetic field of air gap China and foreign countries motor, control the size of this current phasor, make the torque that produces under the effect in it and the first air gap motor magnetic field and the torque sum of engine 12 outputs equal the required driving torque of automobile; The second inverter 104 applies an excitation current vector that is ahead of the direct current of interior motor-field, controls the size of this exciting current, and torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances.
The operating condition five of double-rotor machine of the present invention, when engine 12 torques less than driving torque, engine 12 rotating speeds are during less than the speed of a motor vehicle, the first inverter 103 applies one and input 063 homodromal current phasor, and the phase place of this current phasor is ahead of the phase place in the magnetic field of air gap China and foreign countries motor, control the size of this current phasor, make the torque that produces under the effect of it and the first air-gap field and the torque sum of engine 12 outputs equal the required driving torque of automobile; The second inverter 104 applies an excitation current vector with input 063 equidirectional rotation, control the size of this exciting current, torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances, the rotating speed of controlling it equals the speed discrepancy of input 063 rotating speed and output 033, rotating speed and the output 033 rotating speed sum of namely controlling excitation current vector equate with the rotating speed of input 063, and phase place is ahead of the magnetic field phase place of interior motor in the air gap.
The operating condition six of double-rotor machine of the present invention, when engine 12 torques less than driving torque, engine 12 rotating speeds are during greater than the speed of a motor vehicle, the first inverter 103 applies one and input 063 homodromal current phasor, and the phase place of this current phasor is ahead of the phase place in the magnetic field of air gap China and foreign countries motor, control the size of this current phasor, make the torque that produces under the effect of it and the first air-gap field and the torque sum of engine 12 outputs equal the required driving torque of automobile; The second inverter 104 applies an excitation current vector with input 063 opposite spin, control the size of this exciting current, torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances, the rotating speed of controlling it equals the speed discrepancy of input 063 rotating speed and output 033, rotating speed and a mechanical port rotating speed sum of namely controlling excitation current vector equate with the rotating speed of output 033, and phase place is ahead of the magnetic field phase place of interior motor in the air gap.
The operating condition seven of double-rotor machine of the present invention, when engine 12 torques greater than driving torque, when engine 12 rotating speeds equal the speed of a motor vehicle, the first inverter 103 applies one and input 063 homodromal current phasor, and the phase place of this current phasor lags behind the phase place in the magnetic field of air gap China and foreign countries motor, control the size of this current phasor, make the difference of the torque of the torque that produces under the effect of it and the first air-gap field and engine 12 outputs equal the required driving torque of automobile; The second inverter 104 applies the excitation current vector of the direct current in a magnetic field that is ahead of interior motor, controls the size of this exciting current, makes torque and engine 12 output torque balances that it produces under the effect in interstice magnetic field.
The operating condition eight of double-rotor machine of the present invention, when engine 12 torques greater than driving torque, engine 12 rotating speeds are during less than the speed of a motor vehicle, the first inverter 103 applies one and input 063 homodromal current phasor, and the phase place of this current phasor lags behind the phase place in the magnetic field of air gap China and foreign countries motor, control the size of this current phasor, make the difference of the torque of the torque that produces under the effect of it and the first air-gap field and engine 12 outputs equal the required driving torque of automobile; The second inverter 104 applies an excitation current vector with input 063 equidirectional rotation, control the size of this exciting current, torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances, the rotating speed of controlling it equals the speed discrepancy of input 063 rotating speed and output 033, rotating speed and the output 033 rotating speed sum of namely controlling excitation current vector equate with the rotating speed of input 063, and phase place is ahead of the magnetic field phase place of interior motor in the air gap.
The operating condition nine of double-rotor machine of the present invention, when engine 12 torques greater than driving torque, engine 12 rotating speeds are during greater than the speed of a motor vehicle, the first inverter 103 applies one and input 063 homodromal current phasor, and the phase place of this current phasor lags behind the phase place in the magnetic field of air gap China and foreign countries motor, control the size of this current phasor, make the difference of the torque of the torque that produces under the effect of it and the first air-gap field and engine 12 outputs equal the required driving torque of automobile; The second inverter 104 applies an excitation current vector with input 063 opposite spin, control the size of this exciting current, torque and engine 12 that it is produced under the effect in interstice magnetic field are exported torque balances, the rotating speed of controlling it equals the speed discrepancy of input 063 rotating speed and output 033, rotating speed and a mechanical port rotating speed sum of namely controlling excitation current vector equate with the rotating speed of output 033, and phase place is ahead of the magnetic field phase place of interior motor in the air gap.
Claims (5)
1. double-rotor machine, comprise housing (1) and be arranged on the interior stator (2) of housing (1), it is characterized in that, be provided with external rotor (3) in the described housing (1), described external rotor (3) two ends are connected in the housing (1) and with housing (1) and circumferentially are rotationally connected, the part of external rotor (3) is positioned at stator (2) and is provided with permanent magnet (5) at the outer peripheral face of this part, another part of external rotor (3) is hollow body (0312) and stretches out outside the described stator (2), be provided with permanent magnet (5) at hollow body (0312) inner peripheral surface, in hollow body (0312), be provided with internal rotor (6), one end of internal rotor (6) is input (063), this end stretches out housing (1) and circumferentially is rotationally connected with housing (1), the other end of internal rotor (6) and hollow body (0312) circumferentially are rotationally connected, and internal rotor (6) is provided with the rotor winding (061) that is complementary with above-mentioned hollow body (0312) permanent magnet (5).
2. double-rotor machine according to claim 1, it is characterized in that, described external rotor (3) is the integral type structure, the body (031) that comprises cylinder-like structure, its body (031) one end is for stretching out the output (033) outside the housing (1), and the other end of body (031) is connected in the housing (1) by bearing (4).
3. double-rotor machine according to claim 1, it is characterized in that, described external rotor (3) is split-type structural, comprise armature spindle (032) and the cylindric hollow body (0312) that is connected with armature spindle (032), armature spindle (032) is positioned at stator (2), and an end of armature spindle (032) is for stretching out the output (033) outside the housing (1).
4. according to claim 1 and 2 or 3 described double-rotor machines, it is characterized in that, on the outer peripheral face of described internal rotor (6) along axially having teeth groove (062), above-mentioned rotor winding (061) is arranged in the teeth groove (062), and the permanent magnet (5) in the described hollow body (0312) and internal rotor (6) form the radial flux structure.
5. double-rotor machine according to claim 4, it is characterized in that, offer teeth groove (021) on the described housing (1), be provided with stator winding (022) in teeth groove (021), the permanent magnet (5) on the described external rotor (3) and stator (2) form the radial flux structure.
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| CN 201110083477 CN102158026B (en) | 2011-04-02 | 2011-04-02 | Dual-rotor motor and hybrid vehicle taking dual-rotor motor as power |
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| CN103023242B (en) * | 2012-12-27 | 2014-12-24 | 上海交通大学 | Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller |
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| CN108462365A (en) * | 2018-03-26 | 2018-08-28 | 大连交通大学 | Based on energy feedback type permanent magnet speed regulation device |
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| GB2599592B (en) | 2021-01-29 | 2023-05-03 | Univ Jiangsu | Dual-rotor in-wheel motor based on axial magnetic field and control method therefor |
| CN113098162B (en) * | 2021-04-12 | 2023-07-18 | 北京航空航天大学 | Hollow cup structure motor with sunflower-shaped inner rotor |
| CN112865459B (en) * | 2021-04-12 | 2023-09-01 | 北京航空航天大学 | Hollow cup structure motor with bow-shaped permanent magnet |
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