CN109067044A - A kind of rotor structure improving magneto weak magnetism speed expansion performance - Google Patents
A kind of rotor structure improving magneto weak magnetism speed expansion performance Download PDFInfo
- Publication number
- CN109067044A CN109067044A CN201811293000.XA CN201811293000A CN109067044A CN 109067044 A CN109067044 A CN 109067044A CN 201811293000 A CN201811293000 A CN 201811293000A CN 109067044 A CN109067044 A CN 109067044A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rotor core
- rotor
- type permanent
- weak magnetism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005389 magnetism Effects 0.000 title claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 9
- 239000010962 carbon steel Substances 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Classifications
-
- 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
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/2786—Outer 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The present invention relates to a kind of rotor structures for improving magneto weak magnetism speed expansion performance, and rotor body includes rotor core, ventilation hole and permanent magnet；The rotor core is high-intensitive carbon steel, the ventilation hole is uniformly distributed circumferentially in rotor core, the permanent magnet is made of V-type permanent magnet, a type permanent magnet and inversion V-type permanent magnet, three kinds of permanent magnets are radially successively embedded in rotor core, technical points are: rotor core is high-intensitive carbon steel, is conducive to motor high speed rotation and expansion speed；Ventilation hole is uniformly distributed circumferentially in rotor core, is conducive to heat dissipation, is prevented permanent magnet from demagnetizing, and weak magnetism speed expansion is convenient for；Permanent magnet is made of V-type permanent magnet, a type permanent magnet and inversion V-type permanent magnet, and three kinds of permanent magnets are radially successively embedded in rotor core, reduce leakage field, increase motor convex grey subset, improves weak magnetism speed expansion ability.The rotor structure good heat dissipation of magneto of the invention, compact-sized, motor weak magnetism speed expansion ability is strong.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of rotor knot for improving magneto weak magnetism speed expansion performance
Structure.
Background technique
As Chinese society industry, expanding economy and the progress of science and technology, miscellaneous automobile come into being.Automobile
Us have been spread each of to live corner, at the same automobile also become we live in the indispensable vehicles.
Car ownership and growth rate all over the world remains higher level.The whole world, which is averaged in every ten people, just a vapour
Vehicle.In China, Automobile Market is even more to increase year by year at an amazing speed, and China had begun into the automobile superpower epoch.
Under the increasingly serious background of global energy and environmental problem, it is imperative to develop new-energy automobile.Electric drive trains
System is the core of vehicle operation, and driving motor is used as the core component of power drive system, the operation conditions of electric car
It is fine or not main again by the performance influence of driving motor.Permasyn morot has small in size, high efficiency, high power density, low
The advantages that loss, is widely favored in driving motor for electric automobile.It is general that electric automobile motor system not only requires it to have
Other than the performance of logical Electrified Transmission, it is also required to adapt to the utilization of the specific specific use of electric car.In order to adapt to electric car
Starting, acceleration, climbing, start-stop etc. require, driving motor need base speed it is above can invariable power, wide-range-timing run with
Electric car speed etc. is adapted to require.In order to guarantee permasyn morot in invariable power area energy high-speed stable running and have
Wider speed adjustable range needs to realize by weak magnetism speed expansion mode, i.e., by increasing the convex grey subset of motor, realization weak magnetic expansion
Speed.Since the permanent magnet of magneto is fixed on rotor surface or the inside of motor, it is different from the adjustment electricity of electro-magnetic motor
The mode of stream carrys out weak magnetic, and the weak magnetism speed expansion of magneto is relatively difficult.Therefore it is same to can be improved permanent magnetism for rational design one
It is very necessary for walking the rotor structure of motor weak magnetism speed expansion ability.
Summary of the invention
It is an object of the present invention to provide a kind of rotor structures for improving magneto weak magnetism speed expansion performance, to solve existing permanent magnetism
In the process of running, flux control is difficult, and weak magnetic ability is poor, the lesser problem of speed adjustable range for motor.
The technical scheme adopted by the invention is that: a kind of rotor structure improving magneto weak magnetism speed expansion performance, it is special
Sign is that rotor body includes rotor core, ventilation hole and permanent magnet；The rotor core is high-intensitive carbon steel, institute
The ventilation hole stated is uniformly distributed circumferentially in rotor core, and the permanent magnet is by V-type permanent magnet, a type permanent magnet and inversion
V-type permanent magnet is constituted, and three kinds of permanent magnets are radially successively embedded in rotor core.
In above-mentioned technical proposal, the rotor core is high-intensitive carbon steel.
In above-mentioned technical proposal, the ventilation hole is uniformly distributed circumferentially in rotor core.
In above-mentioned technical proposal, the permanent magnet is made of V-type permanent magnet, a type permanent magnet and inversion V-type permanent magnet,
Three kinds of permanent magnets are radially successively embedded in rotor core.
Beneficial effects of the present invention: a kind of rotor structure for improving magneto weak magnetism speed expansion performance of the present invention, rotor sheet
Body includes rotor core, ventilation hole and permanent magnet, and rotor core is high-intensitive carbon steel, is conducive to motor high speed rotation and expansion
Speed；Ventilation hole is uniformly distributed circumferentially in rotor core, is conducive to heat dissipation, is prevented permanent magnet from demagnetizing, and weak magnetism speed expansion is convenient for；Permanent magnetism
Body is made of V-type permanent magnet, a type permanent magnet and inversion V-type permanent magnet, and three kinds of permanent magnets are radially successively embedded in rotor iron
It is intracardiac, reduce leakage field, increase motor convex grey subset, improves weak magnetism speed expansion ability.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram for the rotor structure for improving magneto weak magnetism speed expansion performance of the present invention.In figure:
1, rotor core, 2, ventilation hole, 3, permanent magnet, 4, V-type permanent magnet, 5, one type permanent magnet, 6, inversion V-type permanent magnet.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Referring to Figure of description 1, a kind of rotor structure improving magneto weak magnetism speed expansion performance, which is characterized in that turn
Sub- ontology includes rotor core (1), ventilation hole (2) and permanent magnet (3)；The rotor core (1) is high-intensitive carbon steel,
The ventilation hole (2) is uniformly distributed circumferentially in rotor core (1), and the permanent magnet (3) is by V-type permanent magnet (4), one
Type permanent magnet (5) and inversion V-type permanent magnet (6) are constituted, and three kinds of permanent magnets are radially successively embedded in rotor core (1).
The rotor core (1) is high-intensitive carbon steel.
The ventilation hole (2) is uniformly distributed circumferentially in rotor core (1).
The permanent magnet (3) is made of V-type permanent magnet (4), a type permanent magnet (5) and inversion V-type permanent magnet (6), and three
Kind permanent magnet is radially successively embedded in rotor core (1).
In rotor structure of the invention, rotor body includes rotor core, ventilation hole and permanent magnet；Rotor core is high-strength
The carbon steel of degree is conducive to motor high speed rotation and expansion speed；Ventilation hole is uniformly distributed circumferentially in rotor core, is conducive to heat dissipation,
It prevents permanent magnet from demagnetizing, is convenient for weak magnetism speed expansion；Permanent magnet is made of V-type permanent magnet, a type permanent magnet and inversion V-type permanent magnet,
Three kinds of permanent magnets are radially successively embedded in rotor core, reduce leakage field, increase motor convex grey subset, improve weak magnetism speed expansion energy
Power.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (1)
1. a kind of rotor structure for improving magneto weak magnetism speed expansion performance, which is characterized in that rotor body includes rotor core
(1), ventilation hole (2) and permanent magnet (3)；The rotor core (1) is high-intensitive carbon steel, the ventilation hole (2) edge
It is circumferentially evenly distributed in rotor core (1), the permanent magnet (3) is by V-type permanent magnet (4), a type permanent magnet (5) and is inverted
V-type permanent magnet (6) is constituted, and three kinds of permanent magnets are radially successively embedded in rotor core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811293000.XA CN109067044A (en) | 2018-11-01 | 2018-11-01 | A kind of rotor structure improving magneto weak magnetism speed expansion performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811293000.XA CN109067044A (en) | 2018-11-01 | 2018-11-01 | A kind of rotor structure improving magneto weak magnetism speed expansion performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109067044A true CN109067044A (en) | 2018-12-21 |
Family
ID=64767980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811293000.XA Pending CN109067044A (en) | 2018-11-01 | 2018-11-01 | A kind of rotor structure improving magneto weak magnetism speed expansion performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109067044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635596A (en) * | 2019-10-09 | 2019-12-31 | 苏州阿福机器人有限公司 | Permanent magnet component of permanent magnet motor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080129129A1 (en) * | 2006-11-24 | 2008-06-05 | Daisuke Kori | Permanent magnet electrical rotating machine, wind power generating system, and a method of magnetizing a permanent magnet |
| CN101752922A (en) * | 2010-02-11 | 2010-06-23 | 华北电力大学（保定） | Permanent magnet traction device with wider speed increasing range |
| CN202260721U (en) * | 2011-10-31 | 2012-05-30 | 上海中科深江电动车辆有限公司 | Internal rotor structure of permanent magnet motor |
| US20130113325A1 (en) * | 2010-07-14 | 2013-05-09 | Kabushiki Kaisha Toyota Jidoshokki | Rotating element with embedded permanent magnet and rotating electrical machine |
| CN204349754U (en) * | 2014-12-09 | 2015-05-20 | 江苏爱尔玛科技有限公司 | A kind of asynchronous starting and permanent magnet motor rotor |
| CN204442139U (en) * | 2015-03-10 | 2015-07-01 | 广东美芝制冷设备有限公司 | Permanent magnet type synchronous reluctance motor and compressor |
| CN106329774A (en) * | 2016-09-14 | 2017-01-11 | 南京航空航天大学 | Multilayer segmented built-in permanent magnet synchronous motor used for electric automobile driving |
| CN106451859A (en) * | 2016-12-21 | 2017-02-22 | 北京理工大学 | Hybrid magnetic circuit rotor of permanent magnet synchronous motor |
| CN108199544A (en) * | 2018-03-23 | 2018-06-22 | 沈阳工业大学 | The assembling device and assembly method of a kind of mono- type permanent magnet of permanent magnet motor of built-in V |
| CN208939695U (en) * | 2018-11-01 | 2019-06-04 | 哈尔滨理工大学 | A kind of rotor structure improving magneto weak magnetism speed expansion performance |
-
2018
- 2018-11-01 CN CN201811293000.XA patent/CN109067044A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080129129A1 (en) * | 2006-11-24 | 2008-06-05 | Daisuke Kori | Permanent magnet electrical rotating machine, wind power generating system, and a method of magnetizing a permanent magnet |
| CN101752922A (en) * | 2010-02-11 | 2010-06-23 | 华北电力大学（保定） | Permanent magnet traction device with wider speed increasing range |
| US20130113325A1 (en) * | 2010-07-14 | 2013-05-09 | Kabushiki Kaisha Toyota Jidoshokki | Rotating element with embedded permanent magnet and rotating electrical machine |
| CN202260721U (en) * | 2011-10-31 | 2012-05-30 | 上海中科深江电动车辆有限公司 | Internal rotor structure of permanent magnet motor |
| CN204349754U (en) * | 2014-12-09 | 2015-05-20 | 江苏爱尔玛科技有限公司 | A kind of asynchronous starting and permanent magnet motor rotor |
| CN204442139U (en) * | 2015-03-10 | 2015-07-01 | 广东美芝制冷设备有限公司 | Permanent magnet type synchronous reluctance motor and compressor |
| CN106329774A (en) * | 2016-09-14 | 2017-01-11 | 南京航空航天大学 | Multilayer segmented built-in permanent magnet synchronous motor used for electric automobile driving |
| CN106451859A (en) * | 2016-12-21 | 2017-02-22 | 北京理工大学 | Hybrid magnetic circuit rotor of permanent magnet synchronous motor |
| CN108199544A (en) * | 2018-03-23 | 2018-06-22 | 沈阳工业大学 | The assembling device and assembly method of a kind of mono- type permanent magnet of permanent magnet motor of built-in V |
| CN208939695U (en) * | 2018-11-01 | 2019-06-04 | 哈尔滨理工大学 | A kind of rotor structure improving magneto weak magnetism speed expansion performance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635596A (en) * | 2019-10-09 | 2019-12-31 | 苏州阿福机器人有限公司 | Permanent magnet component of permanent magnet motor |
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