WO2022042366A1 - Micro integrated permanent magnet rotor - Google Patents

Micro integrated permanent magnet rotor Download PDF

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Publication number
WO2022042366A1
WO2022042366A1 PCT/CN2021/112944 CN2021112944W WO2022042366A1 WO 2022042366 A1 WO2022042366 A1 WO 2022042366A1 CN 2021112944 W CN2021112944 W CN 2021112944W WO 2022042366 A1 WO2022042366 A1 WO 2022042366A1
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WO
WIPO (PCT)
Prior art keywords
permanent magnet
sleeve portion
rotor
sleeve part
sleeve
Prior art date
Application number
PCT/CN2021/112944
Other languages
French (fr)
Chinese (zh)
Inventor
林发明
黄河
陈云军
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大福泵业有限公司
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 大福泵业有限公司 filed Critical 大福泵业有限公司
Publication of WO2022042366A1 publication Critical patent/WO2022042366A1/en

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    • 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

Definitions

  • the invention belongs to the technical field of machinery, and relates to a rotor, in particular to a miniature integrated permanent magnet rotor.
  • the permanent magnet rotor structure currently used in the electric pump has poor dynamic balance characteristics, emits noise, and the complex structure makes the assembly process difficult.
  • the purpose of the present invention is to solve the above problems existing in the prior art, and to provide a miniature integrated permanent magnet rotor with good dynamic balance characteristics, low noise and convenient assembly.
  • a miniature integrated permanent magnet rotor characterized in that it includes a rotor body and a permanent magnet adapted to the rotor body, and the rotor body consists of a first interconnected first A sleeve part, a second sleeve part and a third sleeve part are composed, the outer diameter of the first sleeve part is larger than that of the second sleeve part and the outer diameter of the third sleeve part is larger than that of the third sleeve part, and the permanent magnet is sleeved
  • an impeller assembly is installed in the first sleeve part
  • a ceramic bearing is installed in the interconnected second sleeve part and the third sleeve part
  • the third sleeve part A rotor injection part is arranged between the permanent magnet and the permanent magnet, and the permanent magnet, the impeller assembly, the ceramic shaft sle
  • the peripheral wall of the first sleeve portion is provided with a plurality of through holes in the circumferential direction.
  • a connecting plate is installed at the rear end of the third sleeve portion.
  • the impeller assembly is composed of a plurality of blades that are evenly spaced in the circumferential direction, each of the blades is curved, and one end of the blade is connected to the first sleeve portion The other end is connected to the end face of the inner wall of the second sleeve part at the position of the corresponding through hole.
  • the miniature integrated permanent magnet rotor Compared with the prior art, the miniature integrated permanent magnet rotor has the advantages of good dynamic balance, low noise and convenient assembly.
  • FIG. 1 is a schematic cross-sectional structure diagram of the miniature integrated permanent magnet rotor.
  • FIG. 2 is a schematic three-dimensional structure diagram of the miniature integrated permanent magnet rotor with the permanent magnet removed.
  • the miniature integrated permanent magnet rotor includes a rotor body 1 and a permanent magnet 2 adapted to the rotor body 1.
  • the rotor body 1 consists of a first sleeve part 3, a second The sleeve part 4 and the third sleeve part 5 are composed, the outer diameter of the first sleeve part 3 is larger than that of the second sleeve part 4 and the outer diameter of the third sleeve part 5 is larger than that of the third sleeve part 5, and the permanent magnet 2 is sleeved on the third sleeve On the part 5, an impeller assembly is installed in the first sleeve part 3; There is a rotor injection part 7 in between, the permanent magnet 2, the impeller assembly, the ceramic bushing, the rotor main body 1 and the rotor injection part 7 are integrally injection-molded, and the peripheral wall of the first sleeve part 3 is provided with a number of through holes 8 in the circumfer
  • the impeller assembly is composed of several blades 10 evenly spaced in the circumferential direction, each blade 10 is curved, and one end of the blade 10 is connected to the corresponding through hole 8 on the first sleeve part 3, and the other One end is connected to the end surface of the inner wall of the second sleeve part 4 .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to the technical field of machinery and provides a micro integrated permanent magnet rotor. The present invention solves the problem that existing permanent magnet rotors are difficult to assemble due to the poor dynamic balance properties, loud noise, and complex structure thereof. The micro integrated permanent magnet rotor comprises a rotor body and a permanent magnet matching the rotor body; the rotor body consists of a first sleeve portion, a second sleeve portion, and a third sleeve portion that are communicated with each other; the outer diameter of the first sleeve portion is greater than the outer diameter of the second sleeve portion, and the outer diameter of the second sleeve portion is greater than the outer diameter of the third sleeve portion; the permanent magnet is sleeved on the third sleeve portion; an impeller assembly is mounted inside the first sleeve portion; the second sleeve portion and the third sleeve portion that are communicated with each other are internally provided with a ceramic bearing; rotor injection molded pieces are disposed between the third sleeve portion and the permanent magnet; and the permanent magnet, the impeller assembly, the ceramic bearing, the rotor body, and the rotor injection molded pieces are integrally formed by means of injection molding. The present invention has the advantages of being good in dynamic balance properties, low in noise, and convenient in assembly.

Description

一种微型一体化永磁转子A miniature integrated permanent magnet rotor 技术领域technical field
本发明属于机械技术领域，涉及一种转子，特别涉及一种微型一体化永磁转子。The invention belongs to the technical field of machinery, and relates to a rotor, in particular to a miniature integrated permanent magnet rotor.
背景技术Background technique
现应用于电泵中永磁转子结构构造的动平衡特性差，发出的噪音响，且结构复杂导致组装过程困难的问题。The permanent magnet rotor structure currently used in the electric pump has poor dynamic balance characteristics, emits noise, and the complex structure makes the assembly process difficult.
发明内容SUMMARY OF THE INVENTION
本发明的目的是针对现有技术中存在的上述问题，提供了一种动平衡特性好，噪音小，组装便捷的微型一体化永磁转子。The purpose of the present invention is to solve the above problems existing in the prior art, and to provide a miniature integrated permanent magnet rotor with good dynamic balance characteristics, low noise and convenient assembly.
本发明的目的可通过下列技术方案来实现：一种微型一体化永磁转子，其特征在于，包括转子主体和与转子主体相适配的永磁体，所述的转子主体由相互连通的第一套筒部、第二套筒部和第三套筒部组成，所述第一套筒部外径大于第二套筒部外径大于第三套筒部外径，所述的永磁体套设于第三套筒部上，所述的第一套筒部内装有叶轮组件，相互连通的第二套筒部和第三套筒部内设有一个陶瓷轴承，所述的第三套筒部与永磁体之间设有转子注塑件，所述的永磁体、叶轮组件、陶瓷轴套、转子主体和转子注塑件为一体注塑成型。The object of the present invention can be achieved through the following technical solutions: a miniature integrated permanent magnet rotor, characterized in that it includes a rotor body and a permanent magnet adapted to the rotor body, and the rotor body consists of a first interconnected first A sleeve part, a second sleeve part and a third sleeve part are composed, the outer diameter of the first sleeve part is larger than that of the second sleeve part and the outer diameter of the third sleeve part is larger than that of the third sleeve part, and the permanent magnet is sleeved On the third sleeve part, an impeller assembly is installed in the first sleeve part, a ceramic bearing is installed in the interconnected second sleeve part and the third sleeve part, and the third sleeve part A rotor injection part is arranged between the permanent magnet and the permanent magnet, and the permanent magnet, the impeller assembly, the ceramic shaft sleeve, the rotor main body and the rotor injection part are integrally injection molded.
在上述的一种微型一体化永磁转子中，所述的第一套筒部周壁上周向开设有若干个通孔。In the above-mentioned miniature integrated permanent magnet rotor, the peripheral wall of the first sleeve portion is provided with a plurality of through holes in the circumferential direction.
在上述的一种微型一体化永磁转子中，所述的第三套筒部后端部安装有连接盘。In the above-mentioned miniature integrated permanent magnet rotor, a connecting plate is installed at the rear end of the third sleeve portion.
在上述的一种微型一体化永磁转子中，所述的叶轮组件由若干个周向均匀间隔排布的叶片组成，各所述叶片均弯曲设置，且该叶片一端连接于第一套筒部上相对应的通孔位置处，另一端连接于第二套筒部的内壁端面上。In the above-mentioned miniature integrated permanent magnet rotor, the impeller assembly is composed of a plurality of blades that are evenly spaced in the circumferential direction, each of the blades is curved, and one end of the blade is connected to the first sleeve portion The other end is connected to the end face of the inner wall of the second sleeve part at the position of the corresponding through hole.
与现有技术相比，本微型一体化永磁转子具有动平衡特性好，噪音小，组装便捷的优点。Compared with the prior art, the miniature integrated permanent magnet rotor has the advantages of good dynamic balance, low noise and convenient assembly.
附图说明Description of drawings
图1是本微型一体化永磁转子中的剖视结构示意图。FIG. 1 is a schematic cross-sectional structure diagram of the miniature integrated permanent magnet rotor.
图2是本微型一体化永磁转子中去掉永磁体的立体结构示意图。FIG. 2 is a schematic three-dimensional structure diagram of the miniature integrated permanent magnet rotor with the permanent magnet removed.
图中，1、转子主体；2、永磁体；3、第一套筒部；4、第二套筒部；5、第三套筒部；6、陶瓷轴承；7、转子注塑件；8、通孔；9、连接盘；10、叶片。In the figure, 1, the rotor body; 2, the permanent magnet; 3, the first sleeve part; 4, the second sleeve part; 5, the third sleeve part; 6, the ceramic bearing; 7, the rotor injection part; 8, Through hole; 9. connecting plate; 10. blade.
具体实施方式detailed description
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
如图1、图2所示，本微型一体化永磁转子，包括转子主体1和与转子主体1相适配的永磁体2，转子主体1由相互连通的第一套筒部3、第二套筒部4和第三套筒部5组成，第一套筒部3外径大于第二套筒部4外径大于第三套筒部5外径，永磁体2套设于第三套筒部5上，第一套筒部3内装有叶轮组件，相互连通的第二套筒部4和第三套筒部5内设有一个陶瓷轴承6，第三套筒部5与永磁体2之间设有转子注塑件7，永磁体2、叶轮组件、陶瓷轴套、转子主体1和转子注塑件7为一体注塑成型,第一套筒部3周壁上周向开设有若干个通孔8,第三套筒部5后端部安装有连接盘9。As shown in Figures 1 and 2, the miniature integrated permanent magnet rotor includes a rotor body 1 and a permanent magnet 2 adapted to the rotor body 1. The rotor body 1 consists of a first sleeve part 3, a second The sleeve part 4 and the third sleeve part 5 are composed, the outer diameter of the first sleeve part 3 is larger than that of the second sleeve part 4 and the outer diameter of the third sleeve part 5 is larger than that of the third sleeve part 5, and the permanent magnet 2 is sleeved on the third sleeve On the part 5, an impeller assembly is installed in the first sleeve part 3; There is a rotor injection part 7 in between, the permanent magnet 2, the impeller assembly, the ceramic bushing, the rotor main body 1 and the rotor injection part 7 are integrally injection-molded, and the peripheral wall of the first sleeve part 3 is provided with a number of through holes 8 in the circumferential direction. A connection plate 9 is attached to the rear end of the third sleeve portion 5 .
优选的，叶轮组件由若干个周向均匀间隔排布的叶片10组成，各叶片10均弯曲设置，且该叶片10一端连接于第一套筒部3上相对应的通孔8位置处，另一端连接于第二套筒部4的内壁端面上。Preferably, the impeller assembly is composed of several blades 10 evenly spaced in the circumferential direction, each blade 10 is curved, and one end of the blade 10 is connected to the corresponding through hole 8 on the first sleeve part 3, and the other One end is connected to the end surface of the inner wall of the second sleeve part 4 .
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (4)

  1. 一种微型一体化永磁转子，其特征在于，包括转子主体(1)和与转子主体(1)相适配的永磁体(2)，所述的转子主体(1)由相互连通的第一套筒部(3)、第二套筒部(4)和第三套筒部(5)组成，所述第一套筒部(3)外径大于第二套筒部(4)外径大于第三套筒部(5)外径，所述的永磁体(2)套设于第三套筒部(5)上，所述的第一套筒部(3)内装有叶轮组件，相互连通的第二套筒部(4)和第三套筒部(5)内设有一个陶瓷轴承(6)，所述的第三套筒部(5)与永磁体(2)之间设有转子注塑件(7)，所述的永磁体(2)、叶轮组件、陶瓷轴套、转子主体(1)和转子注塑件(7)为一体注塑成型。A miniature integrated permanent magnet rotor, characterized in that it comprises a rotor main body (1) and a permanent magnet (2) adapted to the rotor main body (1), wherein the rotor main body (1) is composed of first interconnected first A sleeve part (3), a second sleeve part (4) and a third sleeve part (5) are formed, and the outer diameter of the first sleeve part (3) is larger than that of the second sleeve part (4) The outer diameter of the third sleeve portion (5), the permanent magnet (2) is sleeved on the third sleeve portion (5), and the first sleeve portion (3) is equipped with an impeller assembly, which communicates with each other A ceramic bearing (6) is arranged in the second sleeve part (4) and the third sleeve part (5), and a rotor is arranged between the third sleeve part (5) and the permanent magnet (2). The injection molded part (7), the permanent magnet (2), the impeller assembly, the ceramic shaft sleeve, the rotor main body (1) and the rotor injection molded part (7) are integrally injection molded.
  2. 根据权利要求1所述的一种微型一体化永磁转子，其特征在于，所述的第一套筒部(3)周壁上周向开设有若干个通孔(8)。A miniature integrated permanent magnet rotor according to claim 1, characterized in that, a plurality of through holes (8) are provided in the circumferential direction of the peripheral wall of the first sleeve portion (3).
  3. 根据权利要求1所述的一种微型一体化永磁转子，其特征在于，所述的第三套筒部(5)后端部安装有连接盘(9)。A miniature integrated permanent magnet rotor according to claim 1, characterized in that, a connecting plate (9) is installed at the rear end of the third sleeve portion (5).
  4. 根据权利要求1所述的一种微型一体化永磁转子，其特征在于，所述的叶轮组件由若干个周向均匀间隔排布的叶片(10)组成，各所述叶片(10)均弯曲设置，且该叶片(10)一端连接于第一套筒部(3)上相对应的通孔(8)位置处，另一端连接于第二套筒部(4)的内壁端面上。The miniature integrated permanent magnet rotor according to claim 1, wherein the impeller assembly is composed of a plurality of blades (10) that are evenly spaced in the circumferential direction, and each of the blades (10) is curved One end of the blade (10) is connected to the position of the corresponding through hole (8) on the first sleeve part (3), and the other end is connected to the inner wall end surface of the second sleeve part (4).
PCT/CN2021/112944 2020-08-30 2021-08-17 Micro integrated permanent magnet rotor WO2022042366A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010897172.9 2020-08-30
CN202010897172.9A CN111917207B (en) 2020-08-31 2020-08-31 Miniature integrated permanent magnet rotor

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WO2022042366A1 true WO2022042366A1 (en) 2022-03-03

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111917207B (en) * 2020-08-31 2024-11-01 大福泵业有限公司 Miniature integrated permanent magnet rotor

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CN104061169A (en) * 2014-06-26 2014-09-24 常州市东南电器电机有限公司 Electronic water pump for vehicle and impeller rotor assembly thereof
CN109322851A (en) * 2018-11-27 2019-02-12 常州雷利电机科技有限公司 Impeller of rotor component, the pump motor including it and the method that manufactures it
CN111064336A (en) * 2020-01-17 2020-04-24 长沙佳浦泵业有限公司 Brushless DC water pump motor with 4-slot 4-pole centralized winding
CN111130230A (en) * 2020-01-17 2020-05-08 长沙多浦乐泵业科技有限公司 6-slot 4-pole centralized winding brushless direct-current water pump motor
CN111917207A (en) * 2020-08-31 2020-11-10 大福泵业有限公司 Miniature integrated permanent magnet rotor

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Publication number Priority date Publication date Assignee Title
EP1309070A2 (en) * 2001-10-24 2003-05-07 Pierburg GmbH Wet rotor motorpump with protection arrangement against corrosion
CN104061169A (en) * 2014-06-26 2014-09-24 常州市东南电器电机有限公司 Electronic water pump for vehicle and impeller rotor assembly thereof
CN109322851A (en) * 2018-11-27 2019-02-12 常州雷利电机科技有限公司 Impeller of rotor component, the pump motor including it and the method that manufactures it
CN111064336A (en) * 2020-01-17 2020-04-24 长沙佳浦泵业有限公司 Brushless DC water pump motor with 4-slot 4-pole centralized winding
CN111130230A (en) * 2020-01-17 2020-05-08 长沙多浦乐泵业科技有限公司 6-slot 4-pole centralized winding brushless direct-current water pump motor
CN111917207A (en) * 2020-08-31 2020-11-10 大福泵业有限公司 Miniature integrated permanent magnet rotor

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CN111917207A (en) 2020-11-10

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