CN106992618A - 一种高能量密度的永磁转子 - Google Patents
一种高能量密度的永磁转子 Download PDFInfo
- Publication number
- CN106992618A CN106992618A CN201710250853.4A CN201710250853A CN106992618A CN 106992618 A CN106992618 A CN 106992618A CN 201710250853 A CN201710250853 A CN 201710250853A CN 106992618 A CN106992618 A CN 106992618A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rotor
- conductive core
- magnetic conductive
- rectangular
- 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.)
- Withdrawn
Links
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
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
本发明一种高能量密度的永磁转子,包括转轴(1),左压板(2),导磁芯体(3),永磁体,右压板(5),压紧螺母(6);其特征在于所述的永磁体为矩形永磁体(4),导磁芯体(3)是由矽钢片冲片叠压而成,在导磁芯体(3)内有多对极,每一极内都有互不相连的多边形槽,在多边形槽内有矩形槽,在矩形槽内安装矩形永磁体(4)。本发明的永磁转子,是利用切向转子结构,永磁体并联作用,由多个永磁体截面对电机气隙提供每极磁通,在一定转子直径下提高电机气隙磁密,具有结构简单,安装方便,电机效率高,比功率大等优点,特别适用于电动汽车用永磁同步电机。
Description
技术领域
本发明涉及一种高能量密度的永磁转子。
背景技术
近年来,永磁电机的应用得到广泛推广。特别是稀土永磁电机具有结构简单,运行可靠,体积小,质量轻,损耗小,效率高,电机的形状和尺寸可以灵活多样等显著优点。因而应用范围极为广泛,几乎遍及航空航天,国防,工农业生产和日常生活的各个领域。随着永磁电机及电力电子技术的发展,电机可采用高速永磁中频电机,以提高整个系统的性能,提高永磁转子的能量密度,减少电机体积,是一个重要课题,其中,转子结构形式的选取在高速永磁电机设计中占有重要地位。
发明内容
本发明的目是发明一种高能量密度的永磁转子,利用切向转子结构,永磁体并联作用,由多个永磁体截面对电机气隙提供每极磁通,在一定转子直径下提高电机气隙磁密,且结构简单,安装方便,电机效率高,比功率大。
本发明的一种高能量密度的永磁转子,包括转轴,左压板,导磁芯体,永磁体,右压板,压紧螺母;其特征在于所述的永磁体为矩形永磁体,导磁芯体是由矽钢片冲片叠压而成,在导磁芯体内有多对极,每一极内都有互不相连的多边形槽,在多边形槽内有矩形槽,在矩形槽内安装矩形永磁体。
本发明的一种高能量密度的永磁转子,是利用切向转子结构,永磁体并联作用,由多个永磁体截面对电机气隙提供每极磁通,在一定转子直径下提高电机气隙磁密,具有结构简单,安装方便,电机效率高,比功率大等优点,特别适用于电动汽车用永磁同步电机。
附图说明
附图1是本发明的一种高能量密度的永磁转子结构示意图;
附图2是本发明的一种高能量密度的永磁转子的截面示意图。
图中1是转轴,2是左压板,3是导磁芯体,4是矩形磁块,5是右压板,6是压紧螺母。
具体实施方式
本发明的一种高能量密度的永磁转子,包括转轴1,左压板2,导磁芯体3,永磁体,右压板5,压紧螺母6;所述的永磁体为矩形永磁体4,导磁芯体3是由矽钢片冲片叠压而成,在导磁芯体3内有多对极,每一极内都有互不相连的多边形槽,在多边形槽内有矩形槽,在矩形槽内安装矩形永磁体4。
装配永磁转子时,先将左压板2穿在转轴1内,按要求在导磁芯体3装好矩形永磁体4后,将其压入转轴1内,右压板2穿在转轴1内,用压紧螺母6上紧即得。
Claims (1)
1.一种高能量密度的永磁转子,包括转轴(1),左压板(2),导磁芯体(3),永磁体,右压板(5),压紧螺母(6);其特征在于所述的永磁体为矩形永磁体(4),导磁芯体(3)是由矽钢片冲片叠压而成,在导磁芯体(3)内有多对极,每一极内都有互不相连的多边形槽,在多边形槽内有矩形槽,在矩形槽内安装矩形永磁体(4)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710250853.4A CN106992618A (zh) | 2017-04-18 | 2017-04-18 | 一种高能量密度的永磁转子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710250853.4A CN106992618A (zh) | 2017-04-18 | 2017-04-18 | 一种高能量密度的永磁转子 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106992618A true CN106992618A (zh) | 2017-07-28 |
Family
ID=59415231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710250853.4A Withdrawn CN106992618A (zh) | 2017-04-18 | 2017-04-18 | 一种高能量密度的永磁转子 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106992618A (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102386701A (zh) * | 2011-12-19 | 2012-03-21 | 南车株洲电机有限公司 | 一种永磁同步电机及其u形转子结构 |
-
2017
- 2017-04-18 CN CN201710250853.4A patent/CN106992618A/zh not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102386701A (zh) * | 2011-12-19 | 2012-03-21 | 南车株洲电机有限公司 | 一种永磁同步电机及其u形转子结构 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105449968B (zh) | 组合磁极式表贴永磁同步电机 | |
CN103219814A (zh) | 基于不同剩磁密度永磁体的异步起动永磁同步电动机转子 | |
CN102891555A (zh) | 工频和变频控制两用的三相永磁同步电机转子结构 | |
CN202679099U (zh) | 一种稀土永磁发电机的转子 | |
CN202918080U (zh) | 工频和变频控制两用的三相永磁同步电机转子结构 | |
CN204089390U (zh) | 采用内置磁钢切向充磁的无刷电机转子结构 | |
CN105391264A (zh) | 组合磁极式内置切向永磁同步电机 | |
CN206650520U (zh) | 一种高能量密度的永磁转子 | |
CN201797386U (zh) | 一种永磁电机转子 | |
CN203896071U (zh) | 车用永磁同步发电机转子冲片 | |
CN106992618A (zh) | 一种高能量密度的永磁转子 | |
CN201639385U (zh) | 永磁同步直流电机转子 | |
CN110556946B (zh) | 一种永磁辅助同步磁阻电机转子装置 | |
CN208128016U (zh) | 一种消弱齿槽转矩的永磁电机转子 | |
CN203896072U (zh) | 一种4极车用永磁同步发电机转子冲片 | |
CN203896073U (zh) | 4极车用永磁同步发电机转子冲片 | |
CN201639457U (zh) | 永磁同步无刷直流电机转子 | |
CN203984112U (zh) | 一种用于稀土永磁无刷电机的内转子铁芯 | |
CN108365687A (zh) | 一种消弱齿槽转矩的永磁电机转子 | |
CN206004431U (zh) | 一种不均匀气隙表贴式永磁同步电机结构 | |
CN103973012A (zh) | 车用永磁同步发电机转子冲片 | |
CN103683602A (zh) | 低涡流损耗的永磁电机转子 | |
CN201726214U (zh) | 高气隙磁密永磁电机或发电机转子 | |
CN202978657U (zh) | 绞盘用电机 | |
CN203554106U (zh) | 低涡流损耗的永磁电机转子 |
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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170728 |