CN107528437A - A kind of composite electromagnetic motor used for electric vehicle - Google Patents
A kind of composite electromagnetic motor used for electric vehicle Download PDFInfo
- Publication number
- CN107528437A CN107528437A CN201711017813.1A CN201711017813A CN107528437A CN 107528437 A CN107528437 A CN 107528437A CN 201711017813 A CN201711017813 A CN 201711017813A CN 107528437 A CN107528437 A CN 107528437A
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- CN
- China
- Prior art keywords
- motor
- rotor
- stator
- stator winding
- core
- 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.)
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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
-
- 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
- H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a kind of driving motor for electric automobile, more particularly to a kind of composite electromagnetic motor used for electric vehicle, is made up of rotor, stator, drive end bearing bracket, rear end cap.Motor rotor is formed by lamination armature, every magnetic bushing, solid rotor, and motor is equipped with two sets of electromagnetic systems, and two sets of electromagnetic systems are separated every magnetic bushing, do not interfere with each other.Composite electromagnetic motor takes full advantage of motor material and motor internal space, improves power of motor density；Two sets of electromagnetic systems are in different working condition in motor different capacity demand, improve running reliability of motor and power of motor output area.
Description
Technical field
The present invention relates to a kind of driving motor for electric automobile, is driven more particularly to a kind of composite electromagnetic used for electric vehicle
Motor.
Background technology
Electric automobile refers to that using vehicle power as power it is every to meet road traffic, security legislation with power wheel
It is required that vehicle.As modern society increasingly strengthens the idea of environmental protection and energetically support of the country to new-energy automobile,
Electric automobile has been to be concerned by more and more people, but the continual mileage of electric automobile generally existing is short at present and electrical fault etc.
Problem seriously constrains the development of electric automobile, so developing the motor of a kind of high efficiency, high power density, high reliability
As industry focus.The present invention improves a kind of stock utilization height, the wide automobile using motor of output power range.
In existing motor technology, patent of invention " biradial permanent magnetism composite magnetic circuit generator " is authorized（The patent No.：
CN201210132235.7）, there is provided a kind of embedded radially generator with tangential permanent magnet body of rotor, pass through polylith set of permanent magnets
Close and improve motor-field intensity and then raising power density；" combination type permanent-magnet drives the patent of invention of bulletin with electromagnetic hybrid excitation
Dynamic motor "（Application number：CN201610311832.4）, there is provided a kind of electrical excitation and p-m rotor coaxially share one side by side and determined
The composite excitation motor of sub- winding, the adjustability of electrical excitation rotor improve the maximum power output of motor；Utility model
" driving motor for electric automobile "（The patent No.：CN201320323880.7）, there is provided a kind of multiple p-m rotors and more sets are fixed
Sub- winding coaxial motor arranged side by side, plurality of electromagnetic system effectively raise the reliability of system.Invention is to pass through above
More permanent magnets or multiple electromagnetic system parallel connections are embedded to improve motor performance, but these innovations, improved method have material
Expect low utilization rate, increase motor fixing body product, reduce the shortcomings that power density.
The content of the invention
The invention provides a kind of composite electromagnetic system drive motor used for electric vehicle, and first, motor is equipped with two sets
Electromagnetic system, two sets of electromagnetic systems are separated every magnetic bushing, not interfere with each other, and take full advantage of motor material and motor internal is empty
Between, improve power of motor density；Secondly, double winding is in different working condition under motor different capacity demand, improves
Running reliability of motor and power of motor output area.For prior art, technology disclosed by the invention is in motor
There is necessarily creative and innovative in drive device and control technology.Its technology contents is：
A kind of composite electromagnetic motor used for electric vehicle, is made up of rotor, stator, drive end bearing bracket, rear end cap, it is characterised in that：
Motor rotor forms by lamination armature, every magnetic bushing, solid rotor, and motor is equipped with two sets of stator winding；
Motor rotor by laminated core of rotor, the first rectangle permanent-magnet steel, every magnetic bushing, solid rotor iron core and the second rectangle
Permanent-magnet steel forms, and laminated core of rotor opens reeded annular silicon steel sheet stack by inner circle and is pressed into cylindrical shape, and 8 piece of first rectangle is forever
Magnet steel is along the circumferential direction uniformly embedded on laminated core of rotor, and solid rotor iron core is cylindrical to be provided with groove, solid rotor iron core
Circumferential direction inside direction is uniformly firm embedded with 8 piece of second rectangle permanent magnetism, and the first rectangle permanent magnetism has been just cutting orientation magnetizing, the second rectangle permanent magnetism
Steel is axial charging, laminated core of rotor and the first rectangle permanent-magnet steel composition lamination armature, solid rotor iron core and the second rectangle
Permanent-magnet steel forms solid rotor, is equipped between lamination armature and solid rotor every magnetic bushing；
Motor stator is made up of the first stator core, the first stator winding, the second stator core and the second stator winding, the
One stator core is fixed by screws between forward and backward end cap, and the first stator winding is wound on the first stator core, and first is fixed
Sub- iron core, the first stator winding and lamination armature form the first electromagnetic system, and the second stator core is fixed on front and back ends and covered,
On second the second stator core of stator winding coiling, the second stator core, the second stator winding and solid rotor form the second axle
To electromagnetic system；
The control process of the motor is as follows：
When motor demand power is less than default value, the conducting of the first stator winding of motor, the second stator around
Group open circuit, the work of the first electromagnetic system；
When motor demand power is more than or equal to default value, the stator winding of motor first and the second stator around
Group all turns on, and the first electromagnetic system and the second axial magnetic system all work；
When any stator winding failure, another stator winding in the first stator winding and the second stator winding of motor
Turn on immediately, maintain motor to run well.
Operation principle：Electric machine controller determines that double winding cut-offs state according to power demand of motors, when motor leads to
Enter by three-phase inverter after the three-phase alternating current of pulsewidth modulation, motor stator produce a space rotating magnetic field, it with
Rotor permanent magnet steel produces magnetic field interaction, rotor is produced the rotating torques consistent with stator winding rotating excitation field direction, makes
Motor rotor rotates, and then drives electric automobile operation.
Compared with prior art, the invention provides a kind of motor of composite electromagnetic system, motor by the present invention
Equipped with two sets of electromagnetic systems, and two sets of electromagnetic systems are separated every magnetic bushing, are not interfere with each other, are taken full advantage of motor material and electricity
Machine inner space, improve power of motor density；Double winding is in different working condition under motor different capacity demand, carries
High running reliability of motor and power of motor output area.The country not yet retrieves the technology similar to the present invention, phase at present
For prior art, technology disclosed by the invention have on motor driver and control technology certain creativeness and
It is innovative.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the rotor profiles figure of embodiment illustrated in fig. 1；
Fig. 3 is the motor three-dimensional explosive view of embodiment illustrated in fig. 1；
In figure：1st, axle 2, rear end cap 3, laminated core of rotor 4, the first rectangle permanent-magnet steel 5, every magnetic bushing 6, solid
Rotor core 7, the second rectangle permanent-magnet steel 8, the first stator core 9, the first stator winding 10, the second stator winding
11st, the second stator core 12, drive end bearing bracket
Embodiment
The invention will be further described below in conjunction with the accompanying drawings；
A kind of composite electromagnetic motor used for electric vehicle, is made up of, its feature exists rotor, stator, drive end bearing bracket 12, rear end cap 2
In：Motor rotor forms by lamination armature, every magnetic bushing 5, solid rotor, and motor is equipped with two sets of stator winding；
Motor rotor by laminated core of rotor 3, the first rectangle permanent-magnet steel 4, every magnetic bushing 5, solid rotor iron core 6 and second
Rectangle permanent-magnet steel 7 forms, and laminated core of rotor 3 opens reeded annular silicon steel sheet stack by inner circle and is pressed into cylindrical shape, 8 piece first
Rectangle permanent-magnet steel 4 is along the circumferential direction uniformly embedded on laminated core of rotor 3, and solid rotor iron core 6 is cylindrical to be provided with groove, solid
The circumferential direction inside direction of rotor core 6 is uniformly embedded with 8 piece of second rectangle permanent magnetism firm 7, and the first rectangle permanent magnetism firm 4 is cutting orientation magnetizing,
Second rectangle permanent-magnet steel is axial charging, and the rectangle permanent-magnet steel 4 of laminated core of rotor 3 and first forms lamination armature, solid rotor
The rectangle permanent-magnet steel 7 of iron core 6 and second forms solid rotor, is equipped between lamination armature and solid rotor every magnetic bushing；
Motor stator is by the first stator core 8, the first stator winding 9, the second stator core（11）With the second stator winding
10 compositions, the first stator core 8 are fixed by screws between forward and backward end cap, and the first stator winding 9 is wound on the first stator iron
On core 8, the first stator core 8, the first stator winding 9 and lamination armature form the first electromagnetic system, and the second stator core 11 is solid
Front and back ends are scheduled on to cover, on the second stator core of coiling 11 of the second stator winding 10, the second stator core 11, the second stator around
Group 10 and solid rotor form the second axial magnetic system；
The control process of the motor is as follows：
When motor demand power is less than default value, the first stator winding 9 of motor turns on, the second stator around
The open circuit of group 10, the work of the first electromagnetic system；
When motor demand power is more than or equal to default value, motor the first stator winding 9 and the second stator
Winding 10 all turns on, and the first electromagnetic system and the second axial magnetic system all work；
When any stator winding failure, another stator in the first stator winding 9 and the second stator winding 10 of motor
Winding turns on immediately, maintains motor to run well.
Claims (1)
- A kind of 1. composite electromagnetic motor used for electric vehicle, by rotor, stator, drive end bearing bracket（12）, rear end cap（2）Composition, its It is characterised by：Motor rotor by lamination armature, every magnetic bushing（5）, solid rotor composition, motor is equipped with two sets of stators Winding；Motor rotor is by laminated core of rotor（3）, the first rectangle permanent-magnet steel（4）, every magnetic bushing（5）, solid rotor iron core （6）With the second rectangle permanent-magnet steel（7）Composition, laminated core of rotor（3）Reeded annular silicon steel sheet stack is opened by inner circle to be pressed into Cylindrical shape, 8 piece of first rectangle permanent-magnet steel（4）Along the circumferential direction uniformly it is embedded in laminated core of rotor（3）On, solid rotor iron core （6）It is cylindrical to be provided with groove, solid rotor iron core（6）Circumferential direction inside direction is uniformly firm embedded with 8 piece of second rectangle permanent magnetism（7）, the One rectangle permanent magnetism is firm（4）For cutting orientation magnetizing, the second rectangle permanent-magnet steel is axial charging, laminated core of rotor（3）With the first rectangle Permanent-magnet steel（4）Form lamination armature, solid rotor iron core（6）With the second rectangle permanent-magnet steel（7）Form solid rotor, lamination armature It is equipped between solid rotor every magnetic bushing；Motor stator is by the first stator core（8）, the first stator winding（9）, the second stator core（11）With the second stator Winding（10）Composition, the first stator core（8）It is fixed by screws between forward and backward end cap, the first stator winding（9）It is wound on First stator core（8）On, the first stator core（8）, the first stator winding（9）The first electromagnetic system is formed with lamination armature, Second stator core（11）It is fixed on front and back ends to cover, the second stator winding（10）The stator core of coiling second（11）On, second Stator core（11）, the second stator winding（10）The second axial magnetic system is formed with solid rotor；The control process of the motor is as follows：When motor demand power is less than default value, the first stator winding of motor（9）Conducting, the second stator Winding（10）Open circuit, the work of the first electromagnetic system；When motor demand power is more than or equal to default value, the stator winding of motor first（9）It is fixed with second Sub- winding（10）All turn on, the first electromagnetic system and the second axial magnetic system all work；When the first stator winding of motor（9）With the second stator winding（10）In any stator winding break down, it is another Stator winding turns on immediately, maintains motor to run well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711017813.1A CN107528437A (en) | 2017-10-27 | 2017-10-27 | A kind of composite electromagnetic motor used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711017813.1A CN107528437A (en) | 2017-10-27 | 2017-10-27 | A kind of composite electromagnetic motor used for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107528437A true CN107528437A (en) | 2017-12-29 |
Family
ID=60685491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711017813.1A Pending CN107528437A (en) | 2017-10-27 | 2017-10-27 | A kind of composite electromagnetic motor used for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107528437A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149815A (en) * | 2018-09-14 | 2019-01-04 | 北京交通大学 | Solid and lamination mixed type permanent magnet rotor structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090001831A1 (en) * | 2007-06-26 | 2009-01-01 | Cho Chahee P | Axial Field Electric Motor and Method |
| CN203708044U (en) * | 2013-12-06 | 2014-07-09 | 李渊 | Novel stator magneto type magnetic flux switching motor |
| CN204517560U (en) * | 2015-04-25 | 2015-07-29 | 兰州交通大学 | A kind of electric rotating machine of combining structure |
-
2017
- 2017-10-27 CN CN201711017813.1A patent/CN107528437A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090001831A1 (en) * | 2007-06-26 | 2009-01-01 | Cho Chahee P | Axial Field Electric Motor and Method |
| CN203708044U (en) * | 2013-12-06 | 2014-07-09 | 李渊 | Novel stator magneto type magnetic flux switching motor |
| CN204517560U (en) * | 2015-04-25 | 2015-07-29 | 兰州交通大学 | A kind of electric rotating machine of combining structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149815A (en) * | 2018-09-14 | 2019-01-04 | 北京交通大学 | Solid and lamination mixed type permanent magnet rotor structure |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171229 |
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| WD01 | Invention patent application deemed withdrawn after publication |