CN109980875A - A kind of two-shipper electricity port electric motor based on not wide magnet steel distribution - Google Patents
A kind of two-shipper electricity port electric motor based on not wide magnet steel distribution Download PDFInfo
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- CN109980875A CN109980875A CN201910252540.1A CN201910252540A CN109980875A CN 109980875 A CN109980875 A CN 109980875A CN 201910252540 A CN201910252540 A CN 201910252540A CN 109980875 A CN109980875 A CN 109980875A
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- Prior art keywords
- magnet steel
- electric motor
- magnetic conductive
- conductive iron
- width
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Classifications
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
-
- 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
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of two-shipper electricity port electric motors based on not wide magnet steel distribution, including stator, center roller and internal rotor, and three is coaxially nested from outside to inside, and the internal rotor includes the second magnetic conductive iron and multiple magnet steel；The multiple magnet steel is not wide, and is distributed in the surface or inside of second magnetic conductive iron, structure annular in shape.The distribution of the multiple not wide magnet steel includes being interspersed for the magnet steel of b as unit as unit with using one or more width using one or more width for the magnet steel of a；Or the magnet steel random distribution that width is equal, remaining magnet steel are unequal；Or the magnet steel random distribution that width is equal, remaining magnet steel are unequal.The present invention places magnet steel using internal rotor, and the not wide distribution of setting magnet steel generates the mmf harmonics of multiple numbers of pole-pairs, realizes the function of two-shipper electricity port.
Description
Technical field
The invention belongs to magneto technical fields, more particularly, to a kind of two-shipper based on not wide magnet steel distribution
Electric port electric motor.
Background technique
In many industrial applications, especially hybrid vehicle, the revolving speed stepless change variable with torque transmission ratios
Fast device is concerned.Existing hybrid power automobile power system, using Toyota it is general it is sharp this as representative, mostly use planetary gear greatly
Complete the revolving speed decoupling between internal combustion engine and wheel-borne load；Internal combustion engine and vehicle are completed by the torque of additional motor/generator
Torque decoupler between wheel；After internal combustion engine and the revolving speed of load, torque decoupler, internal combustion engine can always work in maximal efficiency
Wheel-borne load operation is not influenced on point and.The system substantially increases the working efficiency of internal combustion engine, reduces vehicle oil consumption and tail
The discharge amount of gas.But this purely mechanic transmission device inevitably has vibration, noise and the mechanical wear of mechanical structure
The problems such as.
In order to make up drawbacks described above, there is invention to propose the Electrified Transmission scheme based on double mechanical port.Patent document
CN105375714A discloses a kind of double mechanical port, double electric ports magnetoes, by magnetic field modulation motor and common Permanent Magnet and Electric
Machine is coaxially nested into same motor, and outer stator and permanent magnet constitute a common magneto, internal stator, modulation ring
A magnetic field modulation motor is constituted with permanent magnet.Turn among the power frequency independent control that the structure passes through inside and outside stator winding
The revolving speed of son and internal rotor is applied additional torque on p-m rotor by common magneto and realizes center roller and internal rotor
Torque decoupler, thus utilize brushless structure realize double-mechanical-port motor function.But since the electric machine structure permanent magnet produces
Raw excitation field is needed across three layers of air gap, and magnetic circuit reluctance is larger, causes magnetic field weaker, weakens the torque output of motor
Ability.
Summary of the invention
In view of the drawbacks of the prior art, the purpose of the present invention is to provide a kind of two-shipper electricity based on not wide magnet steel distribution
Port electric motor, by the way that the magnetic field modulation motor that two decouple to be nested in same motor, it is intended to solve existing double-mechanical end
The motor of mouth leads to the problem of the torque output capability difference of motor because magnetic circuit reluctance is larger.
To achieve the above object, the present invention provides a kind of two-shipper electricity port electric motor based on not wide magnet steel distribution, packets
Include: stator, center roller and internal rotor, three are coaxially nested from outside to inside, wherein stator includes the first magnetic conductive iron and two sets
Winding, internal rotor include the second magnetic conductive iron and multiple magnet steel；
First magnetic conductive iron is tooth slot structure；
The double winding is set in the slot of the first magnetic conductive iron, and the number of pole-pairs of double winding is unequal, for electricity
The electric port of two of machine；
The multiple magnet steel is not wide, and is distributed in the surface or inside of second magnetic conductive iron, structure annular in shape, uses
In the different mmf harmonics of generation number of pole-pairs；
Preferably, the distribution of the multiple not wide magnet steel include using one or more width for a magnet steel as unit with
It is interspersed using one or more width for the magnet steel of b as unit, and width a and width b are unequal.
Preferably, the distribution of the multiple not wide magnet steel includes the equal magnet steel random distribution of width, and remaining magnet steel is equal
It is unequal.
Preferably, the width of the magnet steel is unequal.
The center roller includes the third magnetic conductive iron being equally spaced, the mechanical ports for motor；
First magnetic conductive iron of the stator, the second magnetic conductive iron of internal rotor and third magnetic conductive iron are coaxially arranged.
Preferably, the double winding can be Single-layer Windings or Double Layer Winding；Or a set of winding be it is double-deck around
Group, other set are Single-layer Windings；
Preferably, the double winding is three-phase windings or n phase winding, wherein n > 3.
Preferably, the internal rotor is built-in magnetic steel construction or surface-mount type magnetic steel structure.
Preferably, the motor center roller and internal rotor constitute double mechanical port.
Preferably, a set of winding of the internal rotor for being provided with magnet steel of the motor, center roller and stator constitutes first
Electric motor units；Another winding of the internal rotor for being provided with magnet steel, center roller and stator constitutes the second electric motor units；It is described
The decoupling control of first motor unit and the second electric motor units for the revolving speed and torque of center roller and internal rotor.
Preferably, the two-shipper electricity port electric motor is rotating electric machine or linear motor.
Preferably, two-shipper electricity port electric motor of the invention can be applied to electric car field.
Contemplated above technical scheme through the invention, compared with prior art, can obtain it is following the utility model has the advantages that
(1) two-shipper electricity port electric motor provided by the invention only has two layers of air gap, and magnetic circuit reluctance is smaller, and the present invention be by
Two magnetic field modulation motors with high torque density are embedded into a motor, further improve the torque output energy of motor
Power.
(2) the two-shipper electricity port electric motor provided by the invention based on not wide magnet steel distribution, passes through not wide magnet steel point
Cloth generates the mmf harmonics of different numbers of pole-pairs, generates by the modulation of center roller and match two kinds of stator winding are extremely right
Energy converting between mechanical is realized in several magnetic field, can be realized the revolving speed and torque decoupler of two mechanical ports, completes two-shipper electricity port
Function.
Detailed description of the invention
Fig. 1 is a kind of multiple magnetomotive force two-shipper electricity port electric motor structural schematic diagram that embodiment provides；
Fig. 2 is the stator structure schematic diagram that Fig. 1 corresponds to motor；
Fig. 3 is that Fig. 1 corresponds to a set of winding one of motor and is connected schematic diagram；
Fig. 4 is that Fig. 1 corresponds to the another set of winding one of motor and is connected schematic diagram；
Fig. 5 is the center roller structural schematic diagram that Fig. 1 corresponds to motor；
Fig. 6 is the inner rotor core schematic diagram that Fig. 1 corresponds to motor；
Fig. 7 is another internal rotor magnetic steel schematic diagram；
Fig. 8 is that Fig. 1 corresponds to motor port organization schematic diagram；
Detailed description of the invention:
1, stator, 11, the first magnetic conductive iron of stator, 12, stator winding；2, center roller；3, internal rotor, 31, interior turn
Second magnetic conductive iron of son, 32, magnet steel.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the present invention provides a kind of two-shipper electricity port electric motor based on not wide magnet steel distribution, including stator
1, center roller 3 and internal rotor 3, three are coaxially nested from outside to inside；The center roller 2 and internal rotor 3 are for the double of motor
Mechanical ports；Stator 1 is used to provide two electric ports of motor；
As shown in Fig. 2, stator includes the first magnetic conductive iron 11 and winding 12, wherein winding 12 includes the first winding and second
Winding；
First magnetic conductive iron 11 is tooth slot structure；
Such as Fig. 3 and the double winding 12 as shown in Figure 4 are set in the slot of the first magnetic conductive iron 11, for motor
Two electric ports；
As shown in figure 5, the center roller 2 includes the third magnetic conductive iron being equally spaced, the mechanical ports for motor；
The internal rotor 3 includes the second magnetic conductive iron 31 and multiple magnet steel 32；
The multiple magnet steel 32 is not wide, and is distributed in the surface or inside of second magnetic conductive iron, structure annular in shape,
For generating the different mmf harmonics of number of pole-pairs；
Preferably, the distribution of the multiple not wide magnet steel include with one or more width for a magnet steel 32 for unit
It is that unit is interspersed, and width a and width b are unequal with the magnet steel 32 with one or more width for b.
As shown in fig. 6, the magnet steel 32 that magnet steel 32 and width that width is a are b is interspersed, and width a and width b not phase
Deng.
It is that unit is handed over the magnet steel 32 with five width for b as shown in fig. 7, for the magnet steel 32 of a being unit with two width
Mistake distribution, and width a and width b are unequal.
Preferably, the distribution of the multiple not wide magnet steel includes the equal magnet steel random distribution of width, and remaining magnet steel is equal
It is unequal.
Preferably, the width of the magnet steel is unequal.
First magnetic conductive iron 11 of the stator, the second magnetic conductive iron 31 of internal rotor and third magnetic conductive iron coaxial sleeve
If improving the torque output capability of motor.
Two-shipper electricity port electric motor provided by the invention has two layers of air gap, and magnetic circuit reluctance is small.
Preferably, the double winding can be Single-layer Windings or Double Layer Winding；Or a set of winding be it is double-deck around
Group, other set are Single-layer Windings；
Preferably, the double winding is three-phase windings or n phase winding, wherein n > 3.
Preferably, the two-shipper electricity port electric motor is rotating electric machine or linear motor.
Preferably, the internal rotor is built-in magnetic steel construction or surface-mount type magnetic steel structure.
Preferably, the motor center roller and internal rotor constitute double mechanical port.
Preferably, a set of winding of the internal rotor for being provided with magnet steel of the motor, center roller and stator constitutes first
Electric motor units；Another winding of the internal rotor for being provided with magnet steel, center roller and stator constitutes the second electric motor units；It is described
The decoupling control of first motor unit and the second electric motor units for the revolving speed and torque of center roller and internal rotor.
Preferably, the two-shipper electricity port electric motor of the invention based on not wide magnet steel distribution can be applied to electric car neck
Domain.
As shown in Figure 1, the slot number Z=30 of the first magnetic conductive iron 11 of stator, the third magnetic conductive iron block number of center roller
Po=18；The mmf harmonics number of pole-pairs that the not wide distribution of the magnet steel of internal rotor generates is Pi1=14 and Pi2=13；
The corresponding P of internal rotor magnetic steeli1=14 pairs of pole mmf harmonics and Po=18 pairs of pole magnetic conductance harmonic waves are produced through magnetic field modulation
Raw Pw1=4 pairs of extremely main wave magnetic fields；First magnetic conductive iron of the stator has 30 slots, connection such as Fig. 3 institute of corresponding 8 pole windings
Show；Magnet steel, center roller and corresponding set winding of stator of the internal rotor of the motor constitute first motor unit；
The corresponding P of internal rotor magnetic steeli2=13 pairs of pole mmf harmonics and Po=18 pairs of pole magnetic conductance harmonic waves are produced through magnetic field modulation
Raw Pw2=5 pairs of extremely main wave magnetic fields；First magnetic conductive iron of the stator has 30 slots, connection such as Fig. 4 institute of corresponding 10 pole windings
Show；Magnet steel, center roller and corresponding set winding of stator of the internal rotor of the motor constitute the second electric motor units；
As shown in figure 8, the port organization schematic diagram of motor is corresponded to for Fig. 1, in conjunction with two electric motor units, by the work of the motor
It is described as follows as situation.It is I that two electric ports that stator double winding is constituted, which each lead into virtual value,1、I2, frequency f1、f2's
The torque rotary speed for two mechanical ports that alternating current, internal rotor and center roller are constituted is respectively Ti、ToAnd Ωi、Ωo.Its
In, there is the torque component provided by two electric motor units on internal rotor and center roller, i.e.,
Ti=Ti1+Ti2
To=To1+To2
For first motor unit, obtained according to magnetic field modulation Principle of Electric Engine
f1=PoΩo-Pi1Ωi
For the second electric motor units, obtained according to magnetic field modulation Principle of Electric Engine
f2=PoΩo-Pi2Ωi
Two above electric motor units are embedded into a motor, internal rotor, center roller respectively as input, output shaft, or
Respectively as input, output shaft, electric current, frequency parameter by adjusting two electric ports can be realized double for person's center roller, internal rotor
Electromechanical port electric motor function.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of two-shipper electricity port electric motor based on not wide magnet steel distribution, including stator, center roller and internal rotor, San Zhetong
Axis is nested from outside to inside, which is characterized in that the internal rotor includes the second magnetic conductive iron and multiple magnet steel；The multiple magnet steel is not
It is wide, and it is distributed in the surface or inside of second magnetic conductive iron, structure annular in shape.
2. two-shipper electricity port electric motor as described in claim 1, which is characterized in that the distribution of the multiple not wide magnet steel includes
It is interspersed for the magnet steel of b as unit as unit with using one or more width using one or more width for the magnet steel of a, and wide
It is unequal to spend a and width b.
3. two-shipper electricity port electric motor as described in claim 1, which is characterized in that the distribution of the multiple not wide magnet steel includes
The equal magnet steel random distribution of width, remaining magnet steel are unequal.
4. two-shipper electricity port electric motor as described in claim 1, which is characterized in that the width of the magnet steel is unequal.
5. two-shipper electricity port electric motor as described in claim 1, which is characterized in that the stator includes the first magnetic conductive iron and two
Winding is covered, the double winding is set in the slot of the first magnetic conductive iron of tooth slot structure, and number of pole-pairs is unequal；Described first
Magnetic conductive iron and the second magnetic conductive iron are coaxially nested.
6. two-shipper electricity port electric motor as claimed in claim 1 or 5, which is characterized in that the center roller is equally spaced
Third magnetic conductive iron；First magnetic conductive iron of the stator, the second magnetic conductive iron of internal rotor and third magnetic conductive iron coaxial sleeve
If.
7. two-shipper electricity port electric motor as claimed in claim 6, which is characterized in that interior turn for being provided with magnet steel of the motor
A set of winding of son, center roller and stator constitutes first motor unit；The internal rotor for being provided with magnet steel, center roller and
Another winding of stator constitutes the second electric motor units；The first motor unit and the second electric motor units for center roller with it is interior
The revolving speed of rotor and the decoupling control of torque.
8. two-shipper electricity port electric motor as claimed in claim 7, which is characterized in that the double winding is three-phase windings or n phase
Winding, wherein n > 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252540.1A CN109980875A (en) | 2019-03-29 | 2019-03-29 | A kind of two-shipper electricity port electric motor based on not wide magnet steel distribution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252540.1A CN109980875A (en) | 2019-03-29 | 2019-03-29 | A kind of two-shipper electricity port electric motor based on not wide magnet steel distribution |
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| Publication Number | Publication Date |
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| CN109980875A true CN109980875A (en) | 2019-07-05 |
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| CN201910252540.1A Pending CN109980875A (en) | 2019-03-29 | 2019-03-29 | A kind of two-shipper electricity port electric motor based on not wide magnet steel distribution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446830A (en) * | 2020-04-30 | 2020-07-24 | 华中科技大学 | Double-stator tangential excitation magnetic field modulation motor |
| CN113328597A (en) * | 2020-02-28 | 2021-08-31 | 日本电产株式会社 | Motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374704A (en) * | 2016-09-09 | 2017-02-01 | 华中科技大学 | Brushless dual-mechanical-port permanent magnet motor based on magnetic field modulation principle |
| CN107070031A (en) * | 2017-05-15 | 2017-08-18 | 华中科技大学 | A kind of rotor, stator and many work harmonic wave magnetoes |
-
2019
- 2019-03-29 CN CN201910252540.1A patent/CN109980875A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374704A (en) * | 2016-09-09 | 2017-02-01 | 华中科技大学 | Brushless dual-mechanical-port permanent magnet motor based on magnetic field modulation principle |
| CN107070031A (en) * | 2017-05-15 | 2017-08-18 | 华中科技大学 | A kind of rotor, stator and many work harmonic wave magnetoes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328597A (en) * | 2020-02-28 | 2021-08-31 | 日本电产株式会社 | Motor |
| CN111446830A (en) * | 2020-04-30 | 2020-07-24 | 华中科技大学 | Double-stator tangential excitation magnetic field modulation motor |
| CN111446830B (en) * | 2020-04-30 | 2021-07-02 | 华中科技大学 | Double-stator tangential excitation magnetic field modulation motor |
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Application publication date: 20190705 |