WO2013177885A1 - Rotor assembly structure - Google Patents

Rotor assembly structure Download PDF

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Publication number
WO2013177885A1
WO2013177885A1 PCT/CN2012/082626 CN2012082626W WO2013177885A1 WO 2013177885 A1 WO2013177885 A1 WO 2013177885A1 CN 2012082626 W CN2012082626 W CN 2012082626W WO 2013177885 A1 WO2013177885 A1 WO 2013177885A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor core
groove
assembly structure
rotor
recess
Prior art date
Application number
PCT/CN2012/082626
Other languages
French (fr)
Chinese (zh)
Inventor
潘明攀
Original Assignee
中山大洋电机股份有限公司
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 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2013177885A1 publication Critical patent/WO2013177885A1/en
Priority to US14/192,779 priority Critical patent/US20140175957A1/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner 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
    • H02K1/276Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2201/00Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/06Magnetic cores, or permanent magnets characterised by their skew
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

Definitions

  • the present invention relates to a rotor assembly structure.
  • a conventional rotor assembly structure includes a rotor core and a plurality of permanent magnets.
  • a plurality of permanent magnets are divided into a plurality of rows and are attached to the outer side of the rotor core.
  • the adjacent permanent magnets are staggered by a certain angle, and the structure effectively suppresses electromagnetic noise.
  • the magnetic properties are poor, resulting in a large amount of stator windings, increasing the cost of the motor, and poor motor performance.
  • An object of the present invention is to provide a rotor assembly structure which is simple in structure, not only effective in suppressing electromagnetic noise, but also in magnetic properties, reducing the amount of stator windings, reducing motor cost, and improving motor performance.
  • a rotor assembly structure comprising a plurality of permanent magnets, a first rotor core and a second rotor core, the first rotor core and the second rotor core being superposed on each other, the first rotor core comprising a first annular ring of the first central shaft hole and a plurality of first magnetic conductive blocks protruding from the outer side of the first annular ring, forming a first groove between the adjacent two first magnetic conductive blocks, the second rotor iron
  • the core includes a second annular ring provided with a second central shaft hole and a plurality of second magnetic guiding blocks protruding from the outside of the second annular ring, and a second groove is formed between the adjacent two second magnetic guiding blocks, a right-hand hook protruding from a right side of the first opening of the first groove, and a right-hand hook on the first magnetic block, located on the left side of the second opening of the lower second groove, on the second magnetic block
  • the left retaining hook protrudes,
  • the first groove and the second groove described above are radial grooves.
  • the first groove and the second groove described above are the same size.
  • the first rotor core and the second rotor core described above are identical, and the bottom end surface of the first rotor core is abutted against the bottom end surface of the second rotor core.
  • the right stop hook of the first rotor core described above and the left stop hook of the second rotor core are asymmetrically distributed with respect to the intermediate plane.
  • the first opening portion and the second opening portion described above are asymmetrically distributed with respect to the center line of the permanent magnet.
  • the bottoms of the first groove and the second groove described above are respectively provided with bosses in the middle.
  • a through hole connecting the first rotor core and the second rotor core is disposed in the middle between the first magnetic conductive block and the second magnetic conductive block.
  • the utility model comprises a plurality of permanent magnets, a first rotor core and a second rotor core, and the first groove of the first rotor core is located above a right side of the opening portion, a right stop hook protruding from the first magnetic block, a left side of the second opening of the second groove of the lower second rotor core, and a left block of the second magnetic block a hook, a first groove and a second groove corresponding to each other, the permanent magnet is embedded in the first groove and the second groove, and the left stop and the right stop hook have a simple structure for limiting the permanent magnet, thereby effectively suppressing electromagnetic noise, and Strong magnetic performance, reduce the amount of stator windings, reduce the cost of the motor, improve the performance of the motor, realize the embedded diagonal structure of the rotor assembly, so that the rotor assembly has the advantages of embedded magnetic characteristics, and also has the advantages of the inclined pole rotor; 2) The rotor core and the second rotor core, and the first groove of the first rotor core
  • Figure 1 is a perspective view of the present invention.
  • Figure 2 is an exploded view of the present invention.
  • Figure 3 is a schematic view of the structure of the present invention.
  • FIG. 4 is a cross-sectional view taken along line A-A of Figure 3.
  • BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be further described in detail below by way of specific embodiments and with reference to the accompanying drawings.
  • Embodiment 1 As shown in FIG. 1 to FIG.
  • the utility model relates to a rotor assembly structure, which comprises a plurality of permanent magnets 1, a first rotor core 2 and a second rotor core 3, and a first rotor core 2 Mounted together with the second rotor core 3 on top and bottom, the first rotor core 2 includes a first annular ring 22 provided with a first central shaft hole 21 and a plurality of blocks protruding from the outside of the first annular ring 22
  • the magnetic conductive block 23 forms a first recess 24 between two adjacent first magnetic conductive blocks 23
  • the second rotor core 3 includes a second annular ring 32 provided with a second central shaft hole 31 and from the second a plurality of second magnetic blocks 33 projecting outside the annular ring 32, forming a second groove 34 between the adjacent two second magnetic blocks 33, and the first opening portion 240 of the first groove 24 located above
  • the first magnetic block 23 protrudes from the right stop hook 230, and the left side of the second opening portion 340 of the lower second groove
  • Embodiment 2 As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of Embodiment 1:
  • the first groove 24 and the second groove 34 are radial grooves.
  • Embodiment 3 As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the second embodiment: The first groove 24 and the second groove 34 are the same size.
  • Embodiment 4 As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the first embodiment or the second embodiment or the third embodiment: the first rotor core 2 and the second rotor core 3 are the same. The bottom end surface of the first rotor core 2 abuts against the bottom end surface of the second rotor core 3.
  • Embodiment 5 As shown in FIG. 3 and FIG. 4, the following technical features are added on the basis of Embodiment 1: The right stop hook 230 of the first rotor core 2 and the left stop hook 330 of the second rotor core 3 are asymmetrically distributed with respect to the intermediate plane MN.
  • Embodiment 6 On the basis of Embodiment 1, the following technical features are added: The first opening portion 240 and the second opening portion 340 are asymmetrically distributed with respect to the center line of the permanent magnet 1.
  • Embodiment 7 As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the first embodiment: the bottom portion of the first groove 24 and the second groove 34 are respectively provided with bosses 24, 341;
  • Embodiment 8 As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the first embodiment: the first magnetic conductive block 23 and the second magnetic conductive block 33 are respectively provided with the first rotor core 2 and The through holes 231, 331 of the second rotor core 3 are connected.
  • the utility model has the advantages of simple structure, not only effective suppression of electromagnetic noise, but also strong magnetic properties, reducing the amount of stator windings, reducing the cost of the motor, improving the performance of the motor, realizing the embedded diagonal structure of the rotor assembly, and the rotor assembly has the advantages of embedded magnetism characteristics. At the same time, it also has the advantage of a slant pole rotor.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

Disclosed is a rotor assembly structure, comprising several permanent magnets (1), a first rotor iron core (2), and a second rotor iron core (3). The first rotor iron core (2) comprises a first circular ring (22) and several first magnetic conductive blocks (23) protruding from the outside of the first circular ring (22), with a first groove (24) being formed between two adjacent first magnetic conductive blocks (23); the second rotor iron core (3) comprises a second circular ring (32) and several second magnetic conductive blocks (33) protruding from the outside of the second circular ring (32), with a second groove (34) being formed between two adjacent second magnetic conductive blocks (33); a right-hand stop hook (230) protrudes from the first magnetic conductive block (23) and is located at the right side of a first opening portion (240) of the upper first groove (24); a left-hand stop hook (330) protrudes from the second magnetic conductive block (33) and is located at the left side of a second opening portion (340) of the lower second groove (34); the first groove (24) and the second groove (34) being corresponded to each other with respect of the positions thereof; the permanent magnet (1) is embedded into the first groove (24) and the second groove (34); and the permanent magnet (1) is defined by the left-hand stop hook (330) and the right-hand stop hook (230). The rotor assembly structure has the advantages of not only efficiently inhibiting electromagnetic noises, but also having strong magnetic performance, such that the amount of the stator windings can be reduced, the costs of the motor are decreased, and the motor performance is improved.

Description

一种转子组件结构  Rotor assembly structure
技术领域- 本实用新型涉及一种转子组件结构。 TECHNICAL FIELD - The present invention relates to a rotor assembly structure.
背景技术- 传统的转子组件结构, 包括转子铁芯和若干永磁体, 若干永磁体分成若 干行粘贴在转子铁芯外侧面的, 相邻行的永磁体错开一定角度, 该结构有效 抑制电磁噪音, 但磁性性能较差, 导致定子绕组用量较多, 增加电机成本, 电机性能较差。 BACKGROUND OF THE INVENTION A conventional rotor assembly structure includes a rotor core and a plurality of permanent magnets. A plurality of permanent magnets are divided into a plurality of rows and are attached to the outer side of the rotor core. The adjacent permanent magnets are staggered by a certain angle, and the structure effectively suppresses electromagnetic noise. However, the magnetic properties are poor, resulting in a large amount of stator windings, increasing the cost of the motor, and poor motor performance.
发明内容- 本实用新型的目的是提供一种转子组件结构, 该结构简单, 不但有效抑 制电磁噪音, 而且磁性性能强, 减少定子绕组用量, 降低电机成本, 提高电 机性能。 SUMMARY OF THE INVENTION An object of the present invention is to provide a rotor assembly structure which is simple in structure, not only effective in suppressing electromagnetic noise, but also in magnetic properties, reducing the amount of stator windings, reducing motor cost, and improving motor performance.
本实用新型的目的是通过以下的技术方案予以实现的。  The object of the present invention is achieved by the following technical solutions.
一种转子组件结构,它包括若干永磁体、第一转子铁芯和第二转子铁芯, 第一转子铁芯和第二转子铁芯上下叠合安装在一起, 第一转子铁芯包括设置 有第一中心轴孔的第一环形圈和从第一环形圈外侧凸出的若干块第一导磁块, 在相邻两块第一导磁块之间形成第一凹槽, 第二转子铁芯包括设置有第二中 心轴孔的第二环形圈和从第二环形圈外侧凸出的若干块第二导磁块,在相邻 两块第二导磁块之间形成第二凹槽, 位于上方的第一凹槽的第一开口部的右 侧、 第一导磁块上凸出右挡钩, 位于下方的第二凹槽的第二开口部的左侧、 第二导磁块上凸出左挡钩,第一凹槽和第二凹槽位置对应,永磁体嵌入第一凹 槽和第二凹槽里, 左挡钩和右挡钩对永磁体限位。  A rotor assembly structure comprising a plurality of permanent magnets, a first rotor core and a second rotor core, the first rotor core and the second rotor core being superposed on each other, the first rotor core comprising a first annular ring of the first central shaft hole and a plurality of first magnetic conductive blocks protruding from the outer side of the first annular ring, forming a first groove between the adjacent two first magnetic conductive blocks, the second rotor iron The core includes a second annular ring provided with a second central shaft hole and a plurality of second magnetic guiding blocks protruding from the outside of the second annular ring, and a second groove is formed between the adjacent two second magnetic guiding blocks, a right-hand hook protruding from a right side of the first opening of the first groove, and a right-hand hook on the first magnetic block, located on the left side of the second opening of the lower second groove, on the second magnetic block The left retaining hook protrudes, the first recess and the second recess correspond to each other, the permanent magnet is embedded in the first recess and the second recess, and the left and right retaining hooks limit the permanent magnet.
上述所述的第一凹槽和第二凹槽是径向凹槽。 上述所述的第一凹槽和第二凹槽大小相同。 The first groove and the second groove described above are radial grooves. The first groove and the second groove described above are the same size.
上述所述的第一转子铁芯和第二转子铁芯是相同的, 第一转子铁芯的底 端面与第二转子铁芯的底端面靠在一起。  The first rotor core and the second rotor core described above are identical, and the bottom end surface of the first rotor core is abutted against the bottom end surface of the second rotor core.
上述所述的第一转子铁芯的右挡钩与第二转子铁芯的左挡钩关于中间平 面丽非对称分布的。 上述所述的第一开口部与第二开口部相对永磁体的中心线是非对称分布 的。  The right stop hook of the first rotor core described above and the left stop hook of the second rotor core are asymmetrically distributed with respect to the intermediate plane. The first opening portion and the second opening portion described above are asymmetrically distributed with respect to the center line of the permanent magnet.
上述所述的第一凹槽和第二凹槽的底部中间分别设置有凸台。  The bottoms of the first groove and the second groove described above are respectively provided with bosses in the middle.
上述所述的第一导磁块和第二导磁块中间分别设置有将第一转子铁芯与 第二转子铁芯连接起来的通孔。  A through hole connecting the first rotor core and the second rotor core is disposed in the middle between the first magnetic conductive block and the second magnetic conductive block.
本实用新型与现有技术相比具有如下效果是: 1 )本实用新型包括若干永 磁体、 第一转子铁芯和第二转子铁芯, 位于上方第一转子铁芯的第一凹槽的 第一开口部的右侧、 第一导磁块上凸出右挡钩, 位于下方第二转子铁芯的第 二凹槽的第二开口部的左侧、 第二导磁块上凸出左挡钩, 第一凹槽和第二凹 槽位置对应,永磁体嵌入第一凹槽和第二凹槽里,左挡钩和右挡钩对永磁体限 位结构简单, 不但有效抑制电磁噪音, 而且磁性性能强, 减少定子绕组用量, 降低电机成本, 提高电机性能, 实现转子组件内嵌斜极结构, 使得转子组件 具备内嵌聚磁特性优势的同时, 还具备斜极转子的优点; 2 )第一转子铁芯和 第二转子铁芯是相同的, 第一转子铁芯的底端面与第二转子铁芯的底端面靠 在一起, 结构设计合理, 简化工序, 有效保证设计工艺性。  Compared with the prior art, the utility model has the following effects: 1) The utility model comprises a plurality of permanent magnets, a first rotor core and a second rotor core, and the first groove of the first rotor core is located above a right side of the opening portion, a right stop hook protruding from the first magnetic block, a left side of the second opening of the second groove of the lower second rotor core, and a left block of the second magnetic block a hook, a first groove and a second groove corresponding to each other, the permanent magnet is embedded in the first groove and the second groove, and the left stop and the right stop hook have a simple structure for limiting the permanent magnet, thereby effectively suppressing electromagnetic noise, and Strong magnetic performance, reduce the amount of stator windings, reduce the cost of the motor, improve the performance of the motor, realize the embedded diagonal structure of the rotor assembly, so that the rotor assembly has the advantages of embedded magnetic characteristics, and also has the advantages of the inclined pole rotor; 2) The rotor core and the second rotor core are the same, and the bottom end surface of the first rotor core is close to the bottom end surface of the second rotor core, and the structural design is reasonable, the process is simplified, and the design process is effectively ensured.
附图说明: BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本实用新型的立体图。  Figure 1 is a perspective view of the present invention.
图 2 是本实用新型的分解图。 图 3 是本实用新型的结构示意图。 Figure 2 is an exploded view of the present invention. Figure 3 is a schematic view of the structure of the present invention.
图 4 是图 3的 A-A部分剖视图。 具体实施方式- 下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。 实施例一: 如图 1至图 4所示, 本实用新型是一种转子组件结构, 它包 括若干永磁体 1、第一转子铁芯 2和第二转子铁芯 3,第一转子铁芯 2和第二 转子铁芯 3上下叠合安装在一起, 第一转子铁芯 2包括设置有第一中心轴孔 21的第一环形圈 22和从第一环形圈 22外侧凸出的若干块第一导磁块 23,在 相邻两块第一导磁块 23之间形成第一凹槽 24, 第二转子铁芯 3包括设置有 第二中心轴孔 31的第二环形圈 32和从第二环形圈 32外侧凸出的若干块第二 导磁块 33,在相邻两块第二导磁块 33之间形成第二凹槽 34,位于上方的第一 凹槽 24的第一开口部 240的右侧、 第一导磁块 23上凸出右挡钩 230, 位于 下方的第二凹槽 34的第二开口部 340的左侧、 第二导磁块 33上凸出左挡钩 330,第一凹槽 24和第二凹槽 34位置对应,永磁体 1嵌入第一凹槽 24和第二 凹槽 34里, 左挡钩 330和右挡钩 230对永磁体 1限位。  Figure 4 is a cross-sectional view taken along line A-A of Figure 3. BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be further described in detail below by way of specific embodiments and with reference to the accompanying drawings. Embodiment 1 As shown in FIG. 1 to FIG. 4, the utility model relates to a rotor assembly structure, which comprises a plurality of permanent magnets 1, a first rotor core 2 and a second rotor core 3, and a first rotor core 2 Mounted together with the second rotor core 3 on top and bottom, the first rotor core 2 includes a first annular ring 22 provided with a first central shaft hole 21 and a plurality of blocks protruding from the outside of the first annular ring 22 The magnetic conductive block 23 forms a first recess 24 between two adjacent first magnetic conductive blocks 23, and the second rotor core 3 includes a second annular ring 32 provided with a second central shaft hole 31 and from the second a plurality of second magnetic blocks 33 projecting outside the annular ring 32, forming a second groove 34 between the adjacent two second magnetic blocks 33, and the first opening portion 240 of the first groove 24 located above On the right side, the first magnetic block 23 protrudes from the right stop hook 230, and the left side of the second opening portion 340 of the lower second groove 34 and the second magnetic block 33 protrude from the left stop block 330. The first groove 24 and the second groove 34 are correspondingly positioned, and the permanent magnet 1 is embedded in the first groove 24 and the second groove 34, and the left stop hook 330 Right door hook 230 pairs of permanent magnets 1 limit.
实施例二:如图 1和图 2所示,在实施例一的基础上增加如下技术特征: 所述的第一凹槽 24和第二凹槽 34是径向凹槽。  Embodiment 2: As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of Embodiment 1: The first groove 24 and the second groove 34 are radial grooves.
实施例三:如图 1和图 2所示,在实施例二的基础上增加如下技术特征: 所述的第一凹槽 24和第二凹槽 34大小相同。  Embodiment 3: As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the second embodiment: The first groove 24 and the second groove 34 are the same size.
实施例四: 如图 1和图 2所示, 在实施例一或实施例二或者实施例三的 基础上增加如下技术特征: 第一转子铁芯 2和第二转子铁芯 3是相同的, 第 一转子铁芯 2的底端面与第二转子铁芯 3的底端面靠在一起。  Embodiment 4: As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the first embodiment or the second embodiment or the third embodiment: the first rotor core 2 and the second rotor core 3 are the same. The bottom end surface of the first rotor core 2 abuts against the bottom end surface of the second rotor core 3.
实施例五:如图 3和图 4所示,在实施例一的基础上增加如下技术特征: 第一转子铁芯 2的右挡钩 230与第二转子铁芯 3的左挡钩 330关于中间平面 MN非对称分布的。 Embodiment 5: As shown in FIG. 3 and FIG. 4, the following technical features are added on the basis of Embodiment 1: The right stop hook 230 of the first rotor core 2 and the left stop hook 330 of the second rotor core 3 are asymmetrically distributed with respect to the intermediate plane MN.
实施例六: 在实施例一的基础上增加如下技术特征: 第一开口部 240与 第二开口部 340相对永磁体 1的中心线是非对称分布的。  Embodiment 6: On the basis of Embodiment 1, the following technical features are added: The first opening portion 240 and the second opening portion 340 are asymmetrically distributed with respect to the center line of the permanent magnet 1.
实施例七:如图 1和图 2所示,在实施例一的基础上增加如下技术特征: 第一凹槽 24和第二凹槽 34的底部中间分别设置有凸台 241、 341;  Embodiment 7: As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the first embodiment: the bottom portion of the first groove 24 and the second groove 34 are respectively provided with bosses 24, 341;
实施例八:如图 1和图 2所示,在实施例一的基础上增加如下技术特征: 第一导磁块 23和第二导磁块 33中间分别设置有将第一转子铁芯 2与第二转 子铁芯 3连接起来的通孔 231、 331。  Embodiment 8: As shown in FIG. 1 and FIG. 2, the following technical features are added on the basis of the first embodiment: the first magnetic conductive block 23 and the second magnetic conductive block 33 are respectively provided with the first rotor core 2 and The through holes 231, 331 of the second rotor core 3 are connected.
由于本申请是机械领域, 本领普通技术人员显而易见联想得到: 实施例 二、 实施例三、 实施例四、 实施例五、 实施例六、 实施例七、 实施例八提及 的增加的技术特征自由组合, 与实施例一的技术方案组合成新的技术方案。  Since the present application is in the field of mechanics, it will be obvious to those skilled in the art that: the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment, the seventh embodiment, the seventh embodiment, the added technical features are free. In combination, the technical solution of the first embodiment is combined into a new technical solution.
本实用新型结构简单, 不但有效抑制电磁噪音, 而且磁性性能强, 减少 定子绕组用量, 降低电机成本, 提高电机性能, 实现转子组件内嵌斜极结构, 使得转子组件具备内嵌聚磁特性优势的同时, 还具备斜极转子的优点。  The utility model has the advantages of simple structure, not only effective suppression of electromagnetic noise, but also strong magnetic properties, reducing the amount of stator windings, reducing the cost of the motor, improving the performance of the motor, realizing the embedded diagonal structure of the rotor assembly, and the rotor assembly has the advantages of embedded magnetism characteristics. At the same time, it also has the advantage of a slant pole rotor.

Claims

权利要求 Rights request
1. 一种转子组件结构, 它包括若干永磁体 (1)、 第一转子铁芯 (2) 和第二 转子铁芯 (3), 第一转子铁芯 (2) 和第二转子铁芯 (3) 上下叠合安装 在一起, 第一转子铁芯 (2) 包括设置有第一中心轴孔 (21) 的第一环形 圈 (22) 和从第一环形圈 (22) 外侧凸出的若干块第一导磁块 (23) ,在 相邻两块第一导磁块 (23) 之间形成第一凹槽 (24), 第二转子铁芯 (3) 包括设置有第二中心轴孔(31)的第二环形圈(32)和从第二环形圈(32) 外侧凸出的若干块第二导磁块 (33) ,在相邻两块第二导磁块 (33) 之间 形成第二凹槽 (34), 其特征在于: 位于上方的第一凹槽 (24) 的第一开 口部 (240) 的右侧、 第一导磁块 (23) 上凸出右挡钩 (230), 位于下方 的第二凹槽 (34) 的第二开口部 (340) 的左侧、 第二导磁块 (33) 上凸 出左挡钩(330), 第一凹槽(24)和第二凹槽(34)位置对应,永磁体(1) 嵌入第一凹槽(24)和第二凹槽(34)里, 左挡钩(330)和右挡钩(230) 对永磁体 (1) 限位。  A rotor assembly structure comprising a plurality of permanent magnets (1), a first rotor core (2) and a second rotor core (3), a first rotor core (2) and a second rotor core ( 3) Mounted together on top and bottom, the first rotor core (2) includes a first annular ring (22) provided with a first central shaft hole (21) and a plurality of protrusions from the outside of the first annular ring (22) a first magnetic block (23), a first groove (24) is formed between two adjacent first magnetic blocks (23), and the second rotor core (3) includes a second central axis hole a second annular ring (32) of (31) and a plurality of second magnetically conductive blocks (33) projecting from outside the second annular ring (32) between adjacent two second magnetically conductive blocks (33) Forming a second groove (34), characterized by: a right-hand hook protruding from a right side of the first opening portion (240) of the first first groove (24) and a first magnetic guiding block (23) 230), on the left side of the second opening portion (340) of the second recess (34) below, the second magnetic guiding block (33) protrudes from the left stopping hook (330), the first recess (24) And second concave The position of the groove (34) corresponds, the permanent magnet (1) is embedded in the first groove (24) and the second groove (34), and the left stop (330) and the right stop (230) are limited to the permanent magnet (1) Bit.
2. 根据权利要求 1 所述的一种转子组件结构, 其特征在于: 所述的第一凹 槽 (24) 和第二凹槽 (34) 是径向凹槽。  2. A rotor assembly structure according to claim 1, wherein: said first recess (24) and said second recess (34) are radial grooves.
3. 根据权利要求 2 所述的一种转子组件结构, 其特征在于: 所述的第一凹 槽 (24) 和第二凹槽 (34) 大小相同。  3. A rotor assembly structure according to claim 2, wherein: said first recess (24) and said second recess (34) are the same size.
4. 根据权利要求 1或 2或 3所述的一种转子组件结构, 其特征在于: 第一 转子铁芯 (2) 和第二转子铁芯 (3) 是相同的, 第一转子铁芯 (2) 的底 端面与第二转子铁芯 (3) 的底端面靠在一起。  4. A rotor assembly structure according to claim 1 or 2 or 3, wherein: the first rotor core (2) and the second rotor core (3) are identical, the first rotor core ( 2) The bottom end face is close to the bottom end face of the second rotor core (3).
5. 根据权利要求 1 所述的一种转子组件结构, 其特征在于: 第一转子铁芯 5. The rotor assembly structure according to claim 1, wherein: the first rotor core
(2) 的右挡钩 (230) 与第二转子铁芯 (3) 的左挡钩 (330) 关于中间 平面 MN非对称分布的。 The right stop hook (230) of (2) and the left stop hook (330) of the second rotor core (3) are asymmetrically distributed with respect to the intermediate plane MN.
6. 根据权利要求 1所述的一种转子组件结构,其特征在于:第一开口部 (240) 与第二开口部 (340) 相对永磁体 (1) 的中心线是非对称分布的。  6. A rotor assembly structure according to claim 1, wherein the first opening portion (240) and the second opening portion (340) are asymmetrically distributed with respect to a center line of the permanent magnet (1).
7. 根据权利要求 1所述的一种转子组件结构, 其特征在于: 第一凹槽 (24) 和第二凹槽 (34) 的底部中间分别设置有凸台 (241、 341)。 7. A rotor assembly structure according to claim 1 wherein: the first recess (24) Protrusions (241, 341) are respectively disposed in the middle of the bottom of the second groove (34).
8. 根据权利要求 1所述的一种转子组件结构,其特征在于:第一导磁块(23) 和第二导磁块 (33) 中间分别设置有将第一转子铁芯 (2) 与第二转子铁 芯 (3) 连接起来的通孔 (231、 331)。 8. The rotor assembly structure according to claim 1, wherein the first rotor core (2) and the second magnetic conductor block (33) are respectively provided with a first rotor core (2) and Through holes (231, 331) to which the second rotor core (3) is connected.
PCT/CN2012/082626 2012-05-30 2012-10-09 Rotor assembly structure WO2013177885A1 (en)

Priority Applications (1)

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US14/192,779 US20140175957A1 (en) 2012-05-30 2014-02-27 Rotor assembly and brushless dc motor comprising the same

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CN201220252856.4 2012-05-30
CN 201220252856 CN202634112U (en) 2012-05-30 2012-05-30 Rotor component structure

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ITMI20132126A1 (en) * 2013-12-18 2015-06-19 Wilic Sarl ROTORIC SEGMENT, ROTOR FOR ELECTRIC MACHINE AND ELECTRIC MACHINE INCLUDING THIS ROUND SEGMENT
KR20180069955A (en) * 2016-12-15 2018-06-26 전자부품연구원 Rotor having a skewed rotor core and motor of flux concentrate type comprising the same

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CN106612025B (en) * 2015-10-27 2020-01-07 Abb瑞士股份有限公司 Rotor and method for producing a rotor
CN107370265B (en) * 2017-07-04 2021-03-23 广东威灵电机制造有限公司 Oblique-pole rotor iron core and iron core punching sheet thereof, oblique-pole rotor and motor
KR20210036210A (en) * 2019-09-25 2021-04-02 삼성전자주식회사 A rotor and a motor including the same

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ITMI20132126A1 (en) * 2013-12-18 2015-06-19 Wilic Sarl ROTORIC SEGMENT, ROTOR FOR ELECTRIC MACHINE AND ELECTRIC MACHINE INCLUDING THIS ROUND SEGMENT
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KR102407352B1 (en) * 2016-12-15 2022-06-13 한국전자기술연구원 Rotor having a skewed rotor core and motor of flux concentrate type comprising the same

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