WO2013097766A1 - 一种永磁谐波电机 - Google Patents

一种永磁谐波电机 Download PDF

Info

Publication number
WO2013097766A1
WO2013097766A1 PCT/CN2012/087838 CN2012087838W WO2013097766A1 WO 2013097766 A1 WO2013097766 A1 WO 2013097766A1 CN 2012087838 W CN2012087838 W CN 2012087838W WO 2013097766 A1 WO2013097766 A1 WO 2013097766A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
permanent magnet
rotor
motor
harmonic motor
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.)
Ceased
Application number
PCT/CN2012/087838
Other languages
English (en)
French (fr)
Inventor
徐国卿
蹇林旎
武渊源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Institute of Advanced Technology of CAS
Original Assignee
Shenzhen Institute of Advanced Technology of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Institute of Advanced Technology of CAS filed Critical Shenzhen Institute of Advanced Technology of CAS
Priority to AU2012361425A priority Critical patent/AU2012361425B2/en
Publication of WO2013097766A1 publication Critical patent/WO2013097766A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
    • H02K21/046—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with rotating permanent magnets and stationary field winding
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
    • H02K3/18—Windings for salient poles
    • H02K3/20—Windings for salient poles for auxiliary purposes, e.g. damping or commutating
    • 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
    • H02K3/28—Layout of windings or of connections between windings
    • 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

Definitions

  • a permanent magnet harmonic motor TECHNICAL FIELD This invention relates to a permanent magnet harmonic motor.
  • BACKGROUND OF THE INVENTION In order to solve the problem of energy shortage and environmental pollution in the world, electric vehicles have become a research hotspot of automobile manufacturers and research institutions with their remarkable advantages of high efficiency and low emission, especially electric vehicles with efficient and high power density hub motor drive systems. Think it is the most advanced driving method.
  • the motor as the core component of the wheel drive car, high-performance motor determines the rapid development of electric vehicles.
  • the wheel drive electric vehicle mainly has two kinds of motor drives: an outer rotor motor and an inner rotor motor. In order to meet the actual rotational speed requirements of the wheel, the inner rotor motor needs to match a complex planetary gear reduction mechanism.
  • Patent Document No. CN101789667A discloses an electric vehicle outer rotor composite permanent magnet brushless hub motor, which comprises an outer rotor, a support shaft connected to the outer rotor, an outer rotor yoke portion disposed on the inner wall of the outer rotor, and uniformly embedded in the circumferential direction.
  • the motor cancels the inner rotor of the magnetic gear and the outer rotor portion of the motor, and directly uses the magnetic flux ring to modulate the magnetic field of the permanent magnet of the outer rotor of the magnetic gear and then perform energy conversion with the stator magnetic field.
  • the modulating ring and the stator of the motor are relatively stationary, the number of components is large, which makes the structure of the harmonic motor more complicated, and the production process and the assembly process are complicated. Summary of the invention
  • the technical problem to be solved by the present invention is to solve the problem of the number of harmonic motor components in the prior art.
  • a novel permanent magnet harmonic motor of the present invention includes: a rotor mechanism, the rotor mechanism is provided with a plurality of permanent magnets; a stator mechanism is engaged with the rotor mechanism; a support mechanism, the support The mechanism is provided with a bearing assembly, and the rotor mechanism is connected to the support mechanism through the bearing assembly; a part of the stator mechanism adjacent to the rotor mechanism is formed with a magnetic adjustment tooth, and the magnetic adjustment tooth is disposed on the magnetic mechanism There are distributed windings.
  • the stator mechanism is provided with a concentrated winding, and the concentrated winding and the distributed winding have the same pole pair number, which are equal to the pole pair number of the stator winding.
  • the stator mechanism is hooked with a stator slot, and the stator is divided into a plurality of stator teeth, and each of the stator teeth is provided with a plurality of magnetic teeth, and each stator tooth is provided with a stator Centralized windings.
  • the modulating teeth are projections formed in a circumferential direction of a portion of the stator mechanism close to the rotor mechanism and extending in a radial direction.
  • the number of the magnetic teeth is equal to the sum of the logarithm of the permanent magnet embedded in the rotor mechanism and the number of pole pairs of the winding of the stator mechanism.
  • the permanent magnet is embedded in the rotor mechanism.
  • the rotor mechanism is an outer rotor mechanism, and the stator mechanism is an inner stator mechanism; or the rotor mechanism is an inner rotor mechanism, and the stator mechanism is an outer stator mechanism.
  • the outer rotor mechanism includes an outer rotor and an end cover disposed outside the outer rotor, the end cover being coupled to the support mechanism by a bearing; the inner stator mechanism including the inner stator and the ground The shaft in which the inner stator is connected.
  • the permanent magnets are V-shaped and are rectangular permanent magnets, and the magnetic poles of each two adjacent V-type permanent magnets are opposite.
  • the stator mechanism and the rotor mechanism have a concentric topography, and an air gap is provided between the stator mechanism and the rotor mechanism.
  • an insulating magnetic non-magnetic filling member is disposed in the stator slot for spacing the distributed winding and the concentrated winding.
  • the permanent magnet is a neodymium iron boron permanent magnet.
  • the stator and the rotor are each formed by stacking silicon steel sheets.
  • the outer rotor support and the outer rotor end cover are fixed to the outer casing of the bearing mechanism.
  • the stator is fixed to the shaft.
  • the support mechanism is a cylinder.
  • the concentrated winding and the distributed winding are forward series or reverse series.
  • the permanent magnet harmonic motor of the present invention wherein a portion of the stator mechanism adjacent to the rotor mechanism is formed with a magnetic adjusting tooth in a circumferential direction, and the magnetic adjusting tooth is provided with a distributed winding, and the design is removed.
  • the magnetic ring structure makes the number of internal components of the harmonic motor less, and the structure is more simple, which makes the assembly process single, and saves the independent magnetic ring structure, which reduces the weight of the whole motor and reduces the weight.
  • the size of the motor helps to reduce the unsprung mass of the electric car, thereby improving the stability and smoothness of the car.
  • the stator mechanism is provided with a concentrated winding, and the concentrated winding is stacked with the distributed winding.
  • This design can maintain the high torque output capability of the motor during the weak magnetic speed increase control.
  • the number of the magnetic adjustment teeth is equal to the sum of the number of pairs of the permanent magnets embedded in the rotor mechanism and the number of pole pairs of the windings of the stator mechanism. This design allows a certain harmonic magnetic field to be generated and the stator pair of the motor The same number of energy transfer, so that the number of magnetic poles of the motor stator is reduced, the number of slots is reduced, and the processing difficulty of the stator slots is reduced.
  • Figure 1 is a structural diagram of the harmonic motor of the stator in the outer rotor
  • Figure 2 is a side view of the harmonic motor of the stator in the outer rotor
  • Figure 3 is a distributed winding distribution diagram
  • Figure 4 is a centralized winding distribution diagram
  • Figure 5 is a structural diagram of a harmonic motor of an outer stator inner rotor
  • Figure 6 is a cross-sectional view of the outer stator inner rotor harmonic motor; the reference numerals in the figure are: 1-rotor mechanism, 2- permanent magnet, 3-stator mechanism, 4-modulated magnetic teeth, 5-centralized winding, 6-distributed winding, 7-insulated non-magnetic filling component, 8-support mechanism, 9-end cover, 10-axis 7 assembly, 1 1-axis;
  • the permanent magnet harmonic motor shown in FIG. 1 includes: a rotor mechanism 1 , wherein the rotor mechanism 1 is provided with a plurality of permanent magnets 2; the shape of the permanent magnet 2 can be many kinds, wherein a rectangular shape is preferred; There are many kinds of connection relationship between the magnet 2 and the rotor mechanism, wherein it is preferably embedded in the rotor mechanism, and the permanent magnet is not easily dropped during the high-speed rotation of the rotor; in addition, the distribution of the permanent magnet 2 There may be a plurality of ways, wherein a V-shaped distribution is preferred, and the magnetic poles of each two adjacent V-type permanent magnets 2 are opposite; the harmonic motor further includes a stator mechanism 3 that cooperates with the rotor mechanism 1 Wherein the stator mechanism 3 and the rotor mechanism 1 have an air gap; further comprising a support mechanism 8, the support mechanism Description
  • the rotor mechanism 1 is an outer rotor mechanism
  • the stator mechanism 3 is an inner stator mechanism.
  • the outer rotor mechanism includes an outer rotor and an end cover 9 disposed outside the outer rotor.
  • the end cover 9 is coupled to the support mechanism 8 through the bearing assembly 10; the support mechanism may be a cylinder
  • the inner stator mechanism includes an inner stator and a shaft 11 coupled to the inner stator.
  • a concentrated winding 5 may be provided on the stator mechanism 3, and the concentrated winding is equal to the number of pole pairs of the distributed winding, and is equal to the number of pole pairs of the stator winding. The preferred connection of the distributed winding and the concentrated winding is shown in the manner shown in Figures 3 and 4.
  • the tuning type is a convex portion formed in a circumferential direction of the stator mechanism close to the rotor mechanism, and extending radially. .
  • the number of the magnetic adjusting teeth is preferably It is equal to the sum of the number of pairs of the permanent magnets embedded in the rotor mechanism and the number of pole pairs of the windings of the stator mechanism.
  • ⁇ is the number of pole pairs of the outer rotor permanent magnet, the number of the magnetic block, ⁇ is the number of winding pole pairs, ⁇ is the ratio of the rotor to the stator magnetic field.
  • Harmonic motors should meet the following basic conditions when working stably: Polar logarithmic conditions: (1) Instruction manual
  • Rotor stator magnetic field speed ratio r P s ( 2 )
  • the power supply frequency of the electric vehicle is 50 Hz
  • the rotational speed of the rotating magnetic field of the stator is 1500 rpm
  • the rotational speed of the outer rotor is 187.5 rpm, which basically satisfies the speed requirement of the electric vehicle.
  • the motor of this embodiment can be used in an electric vehicle as a hub drive motor.
  • the concentrated winding and the distributed winding may be forward series or reverse series according to the magnitude of the wind speed, and the connection manner of the two types of windings may be selected by a connection selecting device.
  • the forward series is selected to increase the energy output; when the wind speed is too large, the reverse series may be selected to provide the braking torque to ensure that the blade speed remains within the normal use range of the unit design.
  • the permanent magnet harmonic motor shown in Figs. 5 and 6 is different from the first embodiment in that the rotor mechanism is an inner rotor mechanism and the stator mechanism is an outer stator mechanism.
  • the outer stator, the support mechanism 8 and the end cover 9 are respectively fixed to the outer casing of the bearing assembly 10.
  • the rotor is fixed to the shaft 11, and the support mechanism may be a cylinder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

一种永磁谐波电机，包括其上设有若干永磁体（2）的转子机构（1）、与转子机构（1）配合的定子机构（3）和其上设有轴承组件（10）的支撑机构（8）。转子机构（1）通过轴承组件（10）与支撑机构（8）连接，定子机构（3）的靠近转子机构（1）的部分周向上成型有调磁齿（4），调磁齿（4）上设有分布式绕组（6）。该永磁谐波电机的内部部件数量较少，结构更加简单，装配过程简单，而且减轻了整个电机的重量，缩小了电机的尺寸，有利于减少电动汽车的非簧载质量，从而提高汽车的稳定性和平顺性。

Description

说 明 书 一种永磁谐波电机 技术领域 本发明涉及一种永磁谐波电机。 背景技术 为了解决世界能源紧张和环境污染问题，电动汽车以其高效率低排放的显 著优点成为汽车制造厂商和研究机构的研究热点， 尤其是高效、 高功率密度的 轮毂电机驱动系统的电动汽车被认为是最先进的驱动方式。 电机作为轮毂驱动汽车的核心部件，高性能的电机决定着电动汽车的快速 发展。目前轮毂驱动电动车主要有两种电动机驱动：外转子电机和内转子电机。 为了满足车轮实际转速的要求， 内转子电机需要匹配一套复杂的行星齿轮减速 机构， 整个传动系统的体积和重量大大增加， 投资成本相应增加。 除此之外， 噪声大、 效率低、 传输精度低、 响应慢也是其不足之处， 齿轮箱的磨损会减少 系统的寿命和可靠性。 而采用低转速范围高转矩特性的外转子型电机， 由于转 速范围复合车轮实际转速要求， 通常无须匹配减速机构， 由电机外转子直接驱 动车轮。 专利文献号为 CN101789667A公开了一种电动汽车外转子复合永磁无 刷轮毂电机， 其包括外转子、 与外转子相连的支撑轴、 设置在外转子内壁的外 转子轭部、 沿圓周方向均匀嵌放在外转子轭部上的永磁体、 与永磁体相连且固 定在支撑轴上的调磁环、 设置在调磁环和支撑轴之间且固定在支撑轴上的定 子、 缠绕在定子上的绕组、 设置在支撑轴上的轴承和转轴。 该电机取消了磁性 齿轮的内转子和电机的外转子部分，直接用调磁环将磁性齿轮的外转子的永磁 体的磁场调制之后与定子磁场进行能量转化而工作。 虽然， 该电机采用的调磁 环与定子是相对静止的， 但就部件数量较多， 导致谐波电机结构较为复杂， 同 时也使得生产工艺和装配过程较为复杂。 发明内容
为此， 本发明所要解决的技术问题是解决现有技术的谐波电机部件数量过 说 明 书
多， 结构复杂的技术问题， 从而提出一种部件数量较少， 结构简羊的新型永磁 i皆波电机。
为解决上述技术问题， 本发明的一种新型永磁谐波电机， 包括： 转子机构， 所述转子机构上设有若干永磁体； 定子机构， 与所述转子机构配合； 支撑机构， 所述支撑机构上设有轴承组件， 所述转子机构通过所述轴承组件与所述支撑机 构连接； 所述定子机构的靠近所述转子机构的部分周向上成型有调磁齿， 所述 调磁齿上设置有分布式绕组。
上述的永磁谐波电机， 所述定子机构上设有集中式绕组， 且所述集中式绕 组与所述分布式绕组的极对数相等， 都等于所述定子绕组的极对数。
上述的永磁谐波电机， 所述定子机构上均勾开设有定子槽， 将定子分隔成 若干定子齿， 每个定子齿上均勾分布若干个调磁齿， 每个定子齿上设有所述集 中式绕组。
上述的永磁谐波电机， 所述调磁齿为成型在所述定子机构的靠近所述转子 机构的部分周向上， 且径向延伸的凸起。
上述的永磁谐波电机， 所述调磁齿的个数等于转子机构内嵌所述永磁体的 对数与所述定子机构绕组极对数之和。
上述的永磁谐波电机， 所述永磁体内嵌于所述转子机构上。
上述的永磁谐波电机， 所述转子机构为外转子机构， 且所述定子机构为内 定子机构； 或， 所述转子机构为内转子机构， 且所述定子机构为外定子机构。
上述的永磁谐波电机， 所述外转子机构包括外转子和设于所述外转子外部 的端盖， 所述端盖通过轴承与支撑机构连接； 所述内定子机构包括内定子和与 所述内定子连接的轴。
上述的永磁谐波电机， 所述永磁体呈 V型分布， 且为矩形永磁体， 每两个 相邻所述 V型永磁体磁极相反。 说 明 书
上述的永磁谐波电机， 所述定子机构与所述转子机构为同心拓朴结构， 定 子机构与所述转子机构间具有气隙。
上述的永磁谐波电机， 所述定子槽中设有绝缘不导磁填充部件， 用于隔开 所述分布式绕组和所述集中式绕组。
上述的永磁谐波电机， 所述永磁体为钕铁硼永磁体。 上述的永磁谐波电机， 所述定子和所述转子均采用硅钢片叠成。 上述的永磁谐波电机， 所述外转子支撑体和外转子端盖固定于轴承机构的 外圏上。 所述定子固定在轴上。
上述的永磁谐波电机， 所述支撑机构为筒体。
一种具有轮毂驱动电机的电动汽车， 所述电机为任一上述的永磁谐波电机。 一种具有风力驱动电机的风力发电机， 所述风力驱动电机为任一上述的永 磁谐波电机。 上述的风力发电机， 所述集中式绕组和所述分布式绕组为正向串联或反向 串联。 本发明的上述技术方案相比现有技术具有以下优点：
1. 本发明的永磁谐波电机， 其中， 所述定子机构的靠近所述转子机构的 部分周向上成型有调磁齿， 所述的调磁齿上设置有分布式绕组， 这种设计 去除了调磁环结构， 使得谐波电机内部部件数量较少， 且结构更加筒单， 从而使得装配过程筒单， 另外， 省掉了独立的调磁环结构， 更加减轻了整 个电机的重量， 缩小了电机的尺寸， 有利于减少电动汽车的非簧载质量， 从而提高了汽车的稳定性和平顺性。
2. 所述定子机构上设有集中式绕组， 且所述集中式绕组与所述分布式绕 组层叠布置，这种设计可以使电机在弱磁升速控制时仍保持较高的转矩输 出能力， 满足电动汽车在高速路上时的高转速要求； 且在低速下提供比单 套绕组更大的转矩输出， 满足电动汽车在低速或者爬坡时对大转矩的要 说 明 书
3. 所述调磁齿的个数等于转子机构内嵌所述永磁体的对数与所述定子机 构绕组极对数之和， 这种设计让产生的某一次谐波磁场与电机定子极对 数相同而传递能量， 使得电机定子磁极数减少， 槽数减少， 减小了定子槽 的加工难度。 附图说明 为了使本发明的内容更容易被清楚的理解，下面根据本发明的具体实施例 并结合附图， 对本发明作进一步详细的说明， 其中
图 1 为外转子内定子的谐波电机结构图；
图 2 为外转子内定子的谐波电机的侧示图；
图 3为分布式绕组分布图；
图 4为集中式绕组分布图；
图 5为外定子内转子的谐波电机结构图；
图 6为外定子内转子谐波电机的剖示图； 图中附图标记表示为： 1-转子机构、 2-永磁体、 3-定子机构、 4-调磁齿、 5-集 中式绕组、 6-分布式绕组、 7-绝缘不导磁填充部件、 8-支撑机构、 9-端盖、 1 0-轴 7 组件、 1 1-轴； 具体实施方式 实施例 1
如图 1所示的永磁谐波电机， 包括： 转子机构 1 , 所述转子机构 1上设有 若干永磁体 2 ; 所述永磁体 2的形状可以为许多种， 其中， 优选为矩形； 永磁 体 2与所述转子机构的连接关系有许多种， 其中， 优选为内嵌于所述转子机构 上， 当转子在高速转动过程中， 永磁体不易掉落； 另外， 所述永磁体 2的分布 方式可以有许多种， 其中， 优选为呈 V型分布， 且每两个相邻所述 V型永磁体 2磁极相反； 所述谐波电机还包括定子机构 3 , 与所述转子机构 1配合， 其中 定子机构 3与所述转子机构 1间具有气隙； 又包括支撑机构 8 , 所述支撑机构 说 明 书
8上设有轴承组件 10 ,所述转子机构 1通过所述轴承组件 1 0与所述支撑机构 8 连接； 所述定子机构 3的靠近所述转子机构 1的部分周向上成型有调磁齿 4 , 所述的调磁齿 4上设置有分布式绕组 6。 在本实施例中， 所述转子机构 1为外 转子机构， 且所述定子机构 3为内定子机构。 如图 2所示， 所述外转子机构包 括外转子和设于所述外转子外部的端盖 9 ,所述端盖 9通过轴承组件 10与支撑 机构 8连接； 所述支撑机构可以为筒体， 所述内定子机构包括内定子和与所述 内定子连接的轴 11。
为了使电机在弱磁升速控制时仍保持较高的转矩输出能力， 满足电动汽车 在高速路上时的高转速要求； 且在低速下提供比单套绕组更大的转矩输出， 满 足电动汽车在低速或者爬坡时对大转矩的要求。 可以在所述定子机构 3上设置 集中式绕组 5 , 且所述集中式绕组与所述分布式绕组的极对数相等， 都等于所述 定子绕组的极对数。 分布式绕组和集中式绕组优选的连接方式见图 3和图 4所 表示的方式连接。 所述分布式绕组 6与所述集中式绕组 5 间设有绝缘不导磁填 充部件 7 , 用于隔开所述分布式绕组 6和所述集中式绕组 5 , 如图 1所示。 为了使调磁齿的结构更加筒单， 且获得较好的调磁效果， 所述调齿型为成 型在所述定子机构的靠近所述转子机构的部分周向上， 且径向延伸的凸起。 为了使产生的某一次谐波磁场与电机定子极对数相同而传递能量， 从而允 许减少电机定子磁极数、 槽数， 进而减小定子槽的加工难度， 所述调磁齿的个 数优选为等于转子机构内嵌所述永磁体的对数与所述定子机构绕组极对数之 和。
^为外转子永磁铁的磁极对数， 为调磁块的个数， ^为绕组极对数， ^为 转子与定子磁场的转速比。
谐波电机稳定工作时应满足以下基本条件： 极对数条件： ( 1 ) 说 明 书
G == P s― ns
转子定子磁场转速比： r P s ( 2 ) 本实施例中所述电机的极对数参数： 16对永磁体 2, 18个调磁齿 4。 由以 上式子 （1 )可以得出定子绕组磁极对数 =2, 因此本实施例中集中式绕组 5 和分布式绕组 6的极对数都是 2对，如图 3, 图 4绕组分布图所示。从式子（ 2 ) 可以得出转子与定子的磁场转速比 =_8,因此外转子的旋转速度只有相同转 子极对数传统电机转子旋转速度的 ^ , 定子磁场旋转的方向与转子旋转方向 相反。如果电动汽车供电频率为 50Hz,可知定子的旋转磁场的转速为 1500rpm, 则外转子的转速为 187.5rpm, 基本满足电动汽车运行的速度需求。 本实施例的电机可以用于电动汽车中， 作为轮毂驱动电机。
也可以用于风力发电机中， 作为风力发电机。 当用于风力发电机时， 可以 根据风速的大小，所述集中式绕组和所述分布式绕组可以为正向串联或反向串 联， 可以通过连接选择装置对两种绕组的连接方式进行选择， 其中， 当风速较 小时， 选择正向串联以提高能量输出； 当风速过大时， 可以选择反向串联以提 供制动转矩， 保证叶片转速保持在机组设计的正常使用范围内。
实施例 2
如图 5和图 6所示的永磁谐波电机， 本实施例的电机与实施例 1的区别在 于， 所述转子机构为内转子机构， 所述定子机构为外定子机构。
参见图 6, 本实施例中， 所述外定子、 支撑机构 8和端盖 9分别固定于轴 承组件 10的外圏上。 所述转子固定在轴 11上， 所述支撑机构可以为筒体。
显然， 上述实施例仅仅是为清楚地说明所作的举例， 而并非对实施方式的 限定。 对于所属领域的普通技术人员来说， 在上述说明的基础上还可以做出其 它不同形式的变化或变动。 这里无需也无法对所有的实施方式予以穷举。 而由 此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims

权利要求书
1. 一种永磁谐波电机， 包括： 转子机构， 所述转子机构上设有若干永磁体；
定子机构， 与所述转子机构配合；
支撑机构， 所述支撑机构上设有轴承组件， 所述转子机构通过所述轴承组 件与所述支撑机构连接；
其特征在于： 所述定子机构在靠近所述转子机构的部分周向上成型有调磁 齿， 所述调磁齿上设置有分布式绕组。
2. 根据权利要求 1所述的永磁谐波电机， 其特征在于： 所述定子机构上设有集中式绕组， 且所述集中式绕组与所述分布式绕组的 极对数相等， 都等于所述定子绕组的极对数。
3. 根据权利要求 1所述的永磁谐波电机， 其特征在于：
所述调磁齿为成型在所述定子机构的靠近所述转子机构的部分周向上， 且 径向延伸的凸起。
4. 根据权利要求 1-3任一所述的永磁谐波电机， 其特征在于：
所述调磁齿的个数等于转子机构内嵌所述永磁体的对数与所述定子机构 绕组极对数之和。
5. 根据权利要求 4所述的永磁谐波电机， 其特征在于： 所述永磁体内嵌于所述转子机构上。
6. 根据权利要求 5所述的永磁谐波电机， 其特征在于： 所述转子机构为外转子机构， 且所述定子机构为内定子机构；
或， 所述转子机构为内转子机构， 且所述定子机构为外定子机构。
7. 根据 权利要求 6所述的永磁谐波电机， 其特征在于： 权利要求书
所述外转子机构包括外转子和设于所述外转子外部的端盖， 所述端盖通过 轴承与支撑机构连接；
所述内定子机构包括内定子和与所述内定子连接的轴。
8. 根据权利要求 7所述的永磁谐波电机， 其特征在于：
所述永磁体呈 V型分布， 且为矩形永磁体， 每两个相邻所述 V型永磁体磁 极相反。
9. 一种具有轮毂驱动电机的电动汽车， 其特征在于： 所述电机为权利要 求 1 -8任一所述的永磁谐波电机。
1 0. 一种具有风力驱动电机的风力发电机， 其特征在于： 所述风力驱动电 机为权利要求 1-8任一所述的永磁谐波电机。
PCT/CN2012/087838 2011-12-29 2012-12-28 一种永磁谐波电机 Ceased WO2013097766A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2012361425A AU2012361425B2 (en) 2011-12-29 2012-12-28 Permanent magnet harmonic motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110452154.0 2011-12-29
CN201110452154.0A CN102570753B (zh) 2011-12-29 2011-12-29 一种永磁谐波电机

Publications (1)

Publication Number Publication Date
WO2013097766A1 true WO2013097766A1 (zh) 2013-07-04

Family

ID=46415415

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/087838 Ceased WO2013097766A1 (zh) 2011-12-29 2012-12-28 一种永磁谐波电机

Country Status (3)

Country Link
CN (1) CN102570753B (zh)
AU (1) AU2012361425B2 (zh)
WO (1) WO2013097766A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119921495A (zh) * 2025-04-02 2025-05-02 浙江大学 永磁电机

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102570753B (zh) * 2011-12-29 2015-01-28 中国科学院深圳先进技术研究院 一种永磁谐波电机
CN103887948A (zh) * 2014-04-10 2014-06-25 山东理工大学 电动汽车内嵌永磁钢轮毂驱动电机
CN105846568A (zh) * 2016-03-23 2016-08-10 东南大学 一种外转子轮毂电机的模块化转子
CN107404169A (zh) * 2017-09-05 2017-11-28 江苏航天动力机电有限公司 新能源汽车轮毂电机转子铁芯结构
CN108336837A (zh) * 2018-02-26 2018-07-27 江苏大学 一种混合励磁直驱电机
CN109768642A (zh) * 2018-11-29 2019-05-17 珠海格力电器股份有限公司 一种外转子电机及车辆
CN114598082A (zh) * 2022-03-05 2022-06-07 宁波恒帅股份有限公司 一种谐波磁场驱动电机
CN117277729A (zh) * 2022-09-20 2023-12-22 罗灿 轭绕组励磁并列调磁电机
CN117277625A (zh) * 2022-09-20 2023-12-22 罗灿 二部件双电枢调磁电机
CN116388499B (zh) * 2023-05-26 2023-08-11 山东科技大学 一种定子模块化双边永磁励磁型磁场调制风力发电机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101588099A (zh) * 2008-05-21 2009-11-25 富士电机系统株式会社 永磁式旋转电机
CN101682220A (zh) * 2007-06-13 2010-03-24 丰田自动车株式会社 旋转电机
CN101969257A (zh) * 2010-10-21 2011-02-09 清华大学 齿谐波励磁的混合励磁永磁电机
CN102570753A (zh) * 2011-12-29 2012-07-11 中国科学院深圳先进技术研究院 一种永磁谐波电机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4495802B2 (ja) * 1999-08-19 2010-07-07 日本電産シバウラ株式会社 永久磁石形回転子
CN2640102Y (zh) * 2003-08-18 2004-09-08 何石思 稀土两相发电机
CN101789667A (zh) * 2010-03-05 2010-07-28 东南大学 电动汽车外转子复合永磁无刷轮毂电机
CN201717764U (zh) * 2010-05-11 2011-01-19 唐山曹妃甸锂源电动汽车驱动总成有限公司 电动汽车永磁无刷电机
CN102055291A (zh) * 2011-01-07 2011-05-11 东南大学 一种磁场调制式Halbach永磁直驱式电机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101682220A (zh) * 2007-06-13 2010-03-24 丰田自动车株式会社 旋转电机
CN101588099A (zh) * 2008-05-21 2009-11-25 富士电机系统株式会社 永磁式旋转电机
CN101969257A (zh) * 2010-10-21 2011-02-09 清华大学 齿谐波励磁的混合励磁永磁电机
CN102570753A (zh) * 2011-12-29 2012-07-11 中国科学院深圳先进技术研究院 一种永磁谐波电机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119921495A (zh) * 2025-04-02 2025-05-02 浙江大学 永磁电机

Also Published As

Publication number Publication date
CN102570753B (zh) 2015-01-28
CN102570753A (zh) 2012-07-11
AU2012361425A1 (en) 2014-08-21
AU2012361425B2 (en) 2015-04-16

Similar Documents

Publication Publication Date Title
WO2013097766A1 (zh) 一种永磁谐波电机
CN101951048B (zh) 基于空间磁场调制的直驱式电机
CN101789667A (zh) 电动汽车外转子复合永磁无刷轮毂电机
CN103904846B (zh) 一种混合动力汽车用定子永磁型双转子电机结构
CN102055291A (zh) 一种磁场调制式Halbach永磁直驱式电机
CN103580410A (zh) 用于电动汽车的宽调速永磁同步电机
CN104201854A (zh) 车用外转子永磁同步轮毂径向磁场电机电磁结构
CN102545502A (zh) 双定子无刷双馈电机
CN202405976U (zh) 一种永磁直驱式游标电机
CN201298796Y (zh) 直驱式混励型风能发电机
CN107332419A (zh) 一种永磁复合直驱电机
CN205178681U (zh) 一种定子电励磁游标电机
CN202444390U (zh) 一种盘式低速大转矩永磁游标电机
CN201956858U (zh) 一种磁场调制式Halbach永磁直驱式电机
CN203859652U (zh) 一种新型轴向磁通双凸极永磁发电机
CN202565053U (zh) 磁场自增速永磁风力发电机
CN202172349U (zh) 混合励磁电机装置
CN101771309A (zh) 基于磁齿轮的低速大转矩直驱复合电机
CN201918877U (zh) 体积小重量轻的高效率直驱式电机
CN202679193U (zh) 用于电动汽车的宽调速永磁同步电机
CN202435218U (zh) 一种轴向无刷双馈电机
CN203104234U (zh) 双气隙混合励磁直驱开关磁阻风力发电机及其机组系统
CN102280968A (zh) 大型直驱盘式开关磁阻风力发电机及其系统
CN210416203U (zh) 一种混合电动汽车驱动装置
CN102684341A (zh) 磁场自增速永磁风力发电机

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12861388

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2012361425

Country of ref document: AU

Date of ref document: 20121228

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 12861388

Country of ref document: EP

Kind code of ref document: A1