WO2016124082A1 - Rotor de moteur à ajustement serré à haute résistance - Google Patents

Rotor de moteur à ajustement serré à haute résistance Download PDF

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Publication number
WO2016124082A1
WO2016124082A1 PCT/CN2016/071738 CN2016071738W WO2016124082A1 WO 2016124082 A1 WO2016124082 A1 WO 2016124082A1 CN 2016071738 W CN2016071738 W CN 2016071738W WO 2016124082 A1 WO2016124082 A1 WO 2016124082A1
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WO
WIPO (PCT)
Prior art keywords
magnetic
motor rotor
component
strength
inclusion
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Application number
PCT/CN2016/071738
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English (en)
Chinese (zh)
Inventor
张建生
Original Assignee
佛山市启正电气有限公司
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Application filed by 佛山市启正电气有限公司 filed Critical 佛山市启正电气有限公司
Publication of WO2016124082A1 publication Critical patent/WO2016124082A1/fr

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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 utility model relates to a high-strength welding motor rotor.
  • Adhesive fixing However, there is no difficulty in uniform application of glue, no environmental protection, long heat-solid time, low production efficiency, and there is a hidden danger of falling-off motor in later use.
  • the above installation method makes the outer diameter fluctuation range of the rotor larger, resulting in asymmetry of the air gap of the motor, which leads to large jitter and noise caused by the motor running, and high installation cost, poor precision and low production efficiency.
  • the object of the present invention is to provide a high-strength-fit motor rotor in which the rotor and the iron core are tightly combined, the performance stability and consistency are good, and the processing efficiency is high.
  • a high strength bonded motor rotor comprising a magnetic element, an element inclusion and an iron core, wherein the element inclusion formed by an injection molding process directly encloses the magnetic element and the core; the element The inclusions are annular structures, a plurality of the magnetic elements being evenly distributed within the component package, the core being wound around a plurality of the magnetic components.
  • the iron core is an open-shaped iron ring, and the diameter of the iron ring is smaller than the outer diameters of the plurality of magnetic elements, so that the open-shaped iron ring compresses a plurality of the magnetic elements by elastic force.
  • the magnetic element is a cuboid-like structure having a curvature, and five sides of the cuboid structure are completely fixed in the element package, and a sixth side is exposed on an inner side of the element inclusion; the core Wound around a number of the magnetic elements.
  • the magnetic element is a cuboid-like structure having two symmetrical curved faces, and one of the curved faces is exposed on an inner side of the element inclusion.
  • a sixth side of the magnetic element protrudes from an inner wall of the component inclusion.
  • the axial outer wall of the component inclusion body is provided with convex teeth, and the plurality of convex teeth are radially distributed on the circumference of the component inclusion body.
  • the convex teeth are hollow trough structures.
  • the end faces of the protruding teeth are higher than the end faces of the component inclusions.
  • the bottom end of the protruding tooth is fixedly connected to the component inclusion by a rounded corner.
  • the utility model has the beneficial effects that: a plurality of the magnetic elements are evenly distributed in the component package body, the iron core is wound around a plurality of the magnetic components; the iron core adopts a winding self-shielding design, is located on the outer wall of the magnetic component, and is tightly wound Magnetic components, the role is as follows:
  • the core-wound self-shielding design can greatly increase the magnetic flux density on the air gap side, improve the utilization rate of the permanent magnet material, and increase the power density of the motor, thereby reducing the weight of the motor rotor;
  • Figure 1 is a schematic structural view of an embodiment of the present invention
  • Figure 2 is a plan sectional view of the embodiment of Figure 1;
  • Figure 3 is a side cross-sectional view of the embodiment of Figure 1.
  • magnetic element 1 element inclusion 2
  • element inclusion 2 iron core 3
  • convex tooth 4 convex tooth 4.
  • a high-strength-fitted motor rotor includes a magnetic element 1, an element inclusion 2 and an iron core 3, and the component inclusion body 2 formed by an injection molding process is directly disposed.
  • the magnetic element 1 and the iron core 3 are wrapped therein; the element inclusion 2 is an annular structure, and a plurality of the magnetic elements 1 are evenly distributed in the element inclusion 2, and the core 3 is wound Around a number of said magnetic elements 1.
  • the magnetic element 1 and the iron core 3 are formed into an integral assembly by an injection molding process, and the element inclusion body 2 is an annular structure obtained by an injection molding process of an injection molding material, and the magnetic element 1 and the iron core 3 are disposed in the element inclusion body.
  • the gap size between the inner wall of the magnetic component 1 and the motor stator is effectively controlled, and the stability and consistency of the product performance are ensured.
  • the component inclusion 2 is a product obtained by injection molding.
  • the magnetic component 1 and the iron core 3 are first fixed at a set position, and then cast. After the molding is completed, the magnetic component 1 and the iron core 3 are fixed in a stable relative size.
  • the production efficiency is high, and it is suitable for mass production; from the viewpoint of product quality, the fixed dimensional accuracy of the magnetic component 1 and the iron core 3 is high, and the efficiency of installation of the entire component is high, and the efficiency is lowered. Production costs.
  • a plurality of magnetic components 1 are mounted on the corresponding positions of the plastic mold core, the wound core 3 is wound around the outer arc of the magnetic component 1, and then the mold clamping is performed; after the injection molding is completed, the magnetic ring is taken out by the mold opening.
  • Component The double-slide vertical injection molding machine used in the technical solution is processed, and one upper mold is equipped with two lower mold rotation continuous injection molding production. When one lower mold is produced, the other lower mold can simultaneously mount the magnetic component and the iron core, and the efficiency thereof is It is twice as large as ordinary injection molding machines.
  • the iron core 3 is an open-shaped iron ring, and the diameter of the iron ring is smaller than the outer diameters of the plurality of magnetic elements 1, so that the open-shaped iron ring presses a plurality of the magnetic elements 1 by elastic force.
  • the wound core is formed by vertically stacking open iron rings.
  • the inner diameter of the iron ring is slightly smaller than the outer diameter of the magnetic element, and the elastic element is designed to press the magnetic element 1 on the core of the plastic mold to ensure the core 3
  • the open-loop design facilitates the installation of the iron core, and the dimensional tolerance of the fitting is not high, which can improve the product qualification rate and facilitate the mass production of the rotor.
  • the magnetic element 1 is a rectangular parallelepiped structure with a curvature, and five sides of the rectangular parallelepiped structure are completely fixed in the element inclusion body 2, and the sixth side is exposed in the The inner side surface of the element package 2; the iron core 3 is wound around a plurality of the magnetic elements 1.
  • the five sides of the cuboid structure are completely fixed in the element inclusion 2 such that the magnetic element 1 is more stably engaged with the element inclusion 2; the sixth side Exposed to the inner side of the component package 2; the core 3 is wound around a plurality of the magnetic elements 1, and the plurality of magnetic elements 1 form a more stable magnetic field in the annular element inclusion 2 to ensure the rotor Performance of use.
  • the magnetic element 1 is a cuboid structure having two symmetrical curved faces, and one of the curved faces is exposed on the inner side of the element inclusion 2.
  • the magnetic element 1 having the circular arc surface is closely attached to the annular element inclusion 2, and the two are not easily separated during the high-speed rotation of the rotor; the stability of the product performance is ensured.
  • the sixth side of the magnetic element 1 protrudes from the inner wall of the element inclusion 2. Different from the structure in which the sixth side of the magnetic element 1 is flush with the inner wall of the element inclusion 2, the sixth side of the magnetic element 1 is protruded from the inner wall of the element inclusion 2, and injection molding is used.
  • the injection molding material flows to the intersection of the magnetic component 1 and the mold to stop, so that the interface between the component inclusion body 2 and the magnetic component 1 is clear at the time of final injection molding, and there is no problem that the burr and the like affect the stability of the magnetic field and the performance of the rotor. And improve processing efficiency.
  • the axial outer wall of the component inclusion 2 is provided with convex teeth 4, and a plurality of the convex teeth 4 are radially distributed on the circumference of the component inclusion 2.
  • the function of the convex tooth 4 is to fix the rotor magnetic ring assembly on the product casing, and the length of the convex tooth 4 can be adjusted on the mold according to different diameters of the motor casing, which can be used for various types of products, which can reduce the investment of the mold and can also reduce the investment of the mold. Increase productivity.
  • the protruding teeth 4 are hollow trough structures.
  • the hollow trough portion facilitates the installation of the rotor through the teeth 4 while also reducing the weight of the rotor.
  • the end faces of the male teeth 4 are higher than the end faces of the component inclusions 2. The friction of the component package 2 with other adjacent components at the time of high speed rotation is avoided, and the service life is prolonged.
  • the bottom end of the protruding tooth 4 is fixedly connected to the element inclusion 2 by a rounded corner.
  • the rounded connection enhances the stability of the connection between the two, and particularly ensures that the safety of the protruding teeth 4 from the component inclusion 2 can be avoided when the rotor rotates at a high speed.

Abstract

La présente invention concerne un rotor de moteur à ajustement serré à haute résistance comprenant un élément magnétique (1), un corps de confinement d'élément (2) et un noyau de fer (3) ; le corps de confinement d'élément est formé au moyen d'un procédé de moulage par injection, et renferme directement l'élément magnétique et le noyau de fer ; le corps de confinement d'élément présente une structure annulaire ; une pluralité d'éléments magnétiques sont agencés de manière uniforme dans le corps de confinement d'élément et le noyau de fer est enroulé autour de la pluralité d'éléments magnétiques. Une configuration d'autoprotection à noyau de fer enroulé augmente considérablement une densité de flux magnétique au niveau d'un côté d'un espace d'air, et augmente un taux d'utilisation d'un aimant permanent et une densité de puissance d'un moteur, permettant ainsi une réduction de poids d'un rotor de moteur, et améliorant une réactivité rapide d'un moteur et un rendement de produit.
PCT/CN2016/071738 2015-02-06 2016-01-22 Rotor de moteur à ajustement serré à haute résistance WO2016124082A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201520088789.0 2015-02-06
CN201520088789.0U CN204349625U (zh) 2015-02-06 2015-02-06 一种高强度贴合的电机转子

Publications (1)

Publication Number Publication Date
WO2016124082A1 true WO2016124082A1 (fr) 2016-08-11

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ID=53232867

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/071738 WO2016124082A1 (fr) 2015-02-06 2016-01-22 Rotor de moteur à ajustement serré à haute résistance

Country Status (2)

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CN (1) CN204349625U (fr)
WO (1) WO2016124082A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204349625U (zh) * 2015-02-06 2015-05-20 佛山市启正电气有限公司 一种高强度贴合的电机转子
CN106602831A (zh) * 2017-02-10 2017-04-26 许立新 直流无刷电机转子和直流无刷电机及风扇
US20190219060A1 (en) 2018-01-12 2019-07-18 Wangs Alliance Corporation Fan device controller

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001186701A (ja) * 1999-12-27 2001-07-06 Matsushita Electric Ind Co Ltd 電動機の永久磁石回転子およびこれを用いた密閉型圧縮機
CN201113592Y (zh) * 2007-09-26 2008-09-10 宁波菲仕电机技术有限公司 交流永磁伺服电机空心轴转子
CN201118297Y (zh) * 2007-09-26 2008-09-17 宁波菲仕电机技术有限公司 中,高速交流伺服电机转子磁性体的外套
CN102437665A (zh) * 2011-12-16 2012-05-02 铜陵浩岩节能科技有限公司 一种永磁电动机的转子
CN102545432A (zh) * 2011-12-31 2012-07-04 浙江大学 采用导电套的自起动永磁同步电机转子
CN204349625U (zh) * 2015-02-06 2015-05-20 佛山市启正电气有限公司 一种高强度贴合的电机转子

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001186701A (ja) * 1999-12-27 2001-07-06 Matsushita Electric Ind Co Ltd 電動機の永久磁石回転子およびこれを用いた密閉型圧縮機
CN201113592Y (zh) * 2007-09-26 2008-09-10 宁波菲仕电机技术有限公司 交流永磁伺服电机空心轴转子
CN201118297Y (zh) * 2007-09-26 2008-09-17 宁波菲仕电机技术有限公司 中,高速交流伺服电机转子磁性体的外套
CN102437665A (zh) * 2011-12-16 2012-05-02 铜陵浩岩节能科技有限公司 一种永磁电动机的转子
CN102545432A (zh) * 2011-12-31 2012-07-04 浙江大学 采用导电套的自起动永磁同步电机转子
CN204349625U (zh) * 2015-02-06 2015-05-20 佛山市启正电气有限公司 一种高强度贴合的电机转子

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