CN203850942U - Four-segmented inclined-pole permanent magnet motor rotor formed by single punching sheets - Google Patents

Four-segmented inclined-pole permanent magnet motor rotor formed by single punching sheets Download PDF

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Publication number
CN203850942U
CN203850942U CN201420277294.8U CN201420277294U CN203850942U CN 203850942 U CN203850942 U CN 203850942U CN 201420277294 U CN201420277294 U CN 201420277294U CN 203850942 U CN203850942 U CN 203850942U
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CN
China
Prior art keywords
punching
permanent magnet
magnet motor
sections
pole permanent
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Application number
CN201420277294.8U
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Chinese (zh)
Inventor
蒋卿正
张跃冬
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Huayu Automotive Systems Co Ltd
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Huayu Automotive Systems Co Ltd
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Priority to CN201420277294.8U priority Critical patent/CN203850942U/en
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    • 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]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent 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

Abstract

Provided is a four-segmented inclined-pole permanent magnet motor rotor formed by single punching sheets. The four-segmented inclined-pole permanent magnet motor rotor comprises a rotor core formed by four iron cores each of which is formed by laminating a same punching sheet. The rotor core is divided into four segments with same lengths in the axial direction. The second segment is rotated by a certain angle and then is laminated as well as the first segment. The third segment and the fourth segment are laminated in a reverse side manner and are respectively rotated by a fixed angle, wherein the rotated angle is determined by positioning holes on the punching sheets. The positioning holes or key slots are arranged on the punching sheets. The four-segmented inclined pole of the permanent magnet motor rotor is completed by one punching sheet such that cogging torque or torque ripple can be more effectively reduced. The four-segmented inclined-pole permanent magnet motor rotor has low production cost and good production manufacturability and provides a through hole in order to assemble a rivet.

Description

Minute four sections of oblique pole permanent magnet motor rotors that single punching forms
Technical field:
The utility model relates to electric field, relates in particular to magneto, particularly the permanent magnet machine rotor of a kind of minute four sections of oblique utmost points.
Background technology:
Compare with traditional asynchronous machine, magneto, particularly rare-earth permanent-magnet electric machine have simple in structure, reliable; Volume is little, and quality is light; Loss is little, and efficiency is high; The shape and size of motor can versatile and flexiblely wait remarkable advantage.Thereby the very wide model of range of application, almost spread all over the every field of Aero-Space, national defence, industrial and agricultural production and daily life.
In magneto, permanent magnet and grooved armature iron core interact, and produce cogging torque, cause torque ripple, cause vibration and noise, affect the control precision of system.In order to weaken cogging torque and torque ripple, can adopt the method for the oblique utmost point of rotor segmentation.
The oblique polar angle degree of rotor segmentation can calculate according to design of electrical motor theory.Generally, segments is more, tiltedly the effect of the utmost point is just better, often use and utilize a lamination structure at present, positive and negative laminates the method that iron core carries out two sections of oblique utmost points, and cogging torque or torque pulsation are being required harsh in the situation that, divide the oblique utmost point effect of two sections of oblique utmost points to meet the demands, because divide two sections of oblique utmost points can only eliminate first-harmonic and some high order harmonic component thereof of cogging torque, cannot weaken all the other high order harmonic components, and all the other higher harmonic content of cogging torque are also higher sometimes, at this moment can adopt two kinds of punchings to complete minute four sections of oblique utmost points, to obtain better tiltedly utmost point effect.But adopt two kinds of punchings to need two molds, can increase cost, and can strengthen the complexity of production technology.Also have and utilize a plurality of keyways interval one special angle to carry out the method for multi-section skewed pole, yet fewer and rotor segments is often etc. under particular case at motor pole number, the through hole of Gong the dummy rivet that this oblique utmost point method is difficult to provide more easily abundant, and sometimes need on rotor core, assemble abundant rivet to strengthen mechanical strength.
Summary of the invention:
Minute four sections of oblique pole permanent magnet motor rotors that provide a kind of single punching to form are provided the purpose of this utility model, and the permanent magnet machine rotor of this minute described four sections of oblique utmost points will solve the technical problem that in prior art, tiltedly utmost point electric machine iron core processing technology is complicated, cost is higher, mechanical strength is poor.
The permanent magnet machine rotor of this minute of the present utility model four sections of oblique utmost points, comprise a rotor core, wherein, described rotor core consists of four measure-alike iron leg cores, every iron leg core is overrided to form by same punching, rotor core is axially being divided into equal in length four sections, after a fixed angle of second segment rotation unshakable in one's determination, laminate with second segment iron core, then reverse side laminates the 3rd iron leg core and the 4th iron leg core and rotates respectively a fixed angle, and each described fixed angle is determined by the location hole in punching or keyway.
Further, described positioner is location hole, is along the circumferential direction provided with a plurality of location holes in described punching, after described iron core laminated, forms half through hole of location hole quantity in punching on iron core, can be for dummy rivet.
Further, in described punching, be along the circumferential direction provided with 8 location holes.
Further, if described positioner is key, at described punching endoporus, be along the circumferential direction provided with a plurality of keys, after four sections of described iron core laminatings, at the iron core endoporus circumferencial direction forming, form the key of more than two number, wherein there are two keys that connect each iron leg core, in order to coordinate with rotating shaft.
Further, at described punching endoporus, be along the circumferential direction provided with four keys.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model only adopts a kind of punching and completes minute four sections of oblique utmost points of rotor in permanent magnet machine rotor, can more effectively reduce cogging torque or torque pulsation, and there is lower production cost and good production technology, and can provide through hole with dummy rivet, improve the mechanical strength of iron core.
Accompanying drawing explanation:
Fig. 1 is the structural representation of the embodiment that divides four sections of oblique pole permanent magnet motor rotors of single punching formation of the present utility model.
Fig. 2 is the punching schematic diagram in Fig. 1.
Fig. 3 is the structural representation of another embodiment of the permanent magnet machine rotor of of the present utility model minute four sections of oblique utmost points.
Fig. 4 is the punching schematic diagram in Fig. 3.
Fig. 5 is the side schematic view of Fig. 3.
Fig. 6 is the structural representation of another embodiment of the permanent magnet machine rotor of of the present utility model minute four sections of oblique utmost points.
Fig. 7 is the punching schematic diagram in Fig. 6.
Fig. 8 is the profile of Fig. 6.
Embodiment:
Embodiment 1:
As shown in Figure 1, Figure 2 and Figure 3, minute four sections of oblique pole permanent magnet motor rotors that single punching of the present utility model forms, comprise rotor core, described rotor core consists of four sections of identical iron cores, and each iron leg core is overrided to form by same punching, rotor core is axially being divided into equal in length four sections, punching is provided with eight magnetic pole grooves 1, is along the circumferential direction uniformly distributed the corresponding center line 2 of magnetic pole groove, be provided with two groups of totally 8 location holes, the first location hole 3 is θ with the angle of corresponding pole center line 1, and on circumference uniform 4, the second location hole 4 is θ with the angle of corresponding magnetic pole center line 2, its value equals θ 1/ 3, and on circumference uniform 4.
During second segment iron core laminating, rotation to No. 4 location holes overlap with No. 3 location holes of first paragraph iron core; The 3rd iron leg heart reverse side is laminated, and rotation to its No. 4 location holes overlap with No. 4 location holes of second segment; The 4th iron leg heart reverse side is laminated, and rotation to its No. 3 location holes overlap with No. 3 location holes of the 3rd iron leg heart.After four sections of described iron core laminatings, form 4 through holes 7, the pole center wire clamp angle of adjacent two iron leg cores is θ 3., its value equals 2 θ 1/ 3.
Embodiment 2:
As shown in Fig. 3, Fig. 4 and Fig. 5, the difference of the present embodiment and embodiment 1 is, described positioner is key, at described punching endoporus, is along the circumferential direction provided with 4 keys, be key 1 and key 26, the center line of described key 1 is θ with corresponding pole center wire clamp angle 1, the center line of described key 26 is θ with corresponding pole center wire clamp angle 2, after four sections of described iron core laminateds, form six establishments, wherein key 8 has connected each iron leg core, and in order to coordinate with rotating shaft, the pole center wire clamp angle of adjacent two iron leg cores is θ 3.
Embodiment 3:
As shown in Fig. 6, Fig. 7 and Fig. 8, the present embodiment is the combination of the first two embodiment, adopt hole and positioning key simultaneously, at the first location hole correspondence position, be also provided with the first positioning key, at the second location hole correspondence position, be also provided with the second positioning key, after four sections of described iron core laminateds, utilize key 8 to carry out and the coordinating of axle, in the through hole 7 forming, can be provided with rivet.

Claims (5)

1. minute four sections of oblique pole permanent magnet motor rotors that single punching forms, comprise a rotor core, it is characterized in that: described rotor core consists of four measure-alike iron leg cores, every iron leg core is overrided to form by same punching, rotor core is axially being divided into equal in length four sections, after a fixed angle of second segment rotation unshakable in one's determination, laminate with second segment iron core, then the 3rd iron leg core and the 4th iron leg core reverse side laminate and rotate respectively a fixed angle, each described fixed angle is determined by the location hole in punching or keyway, each described fixed angle is all between 0~90 degree.
2. minute four sections of oblique pole permanent magnet motor rotors that single punching as claimed in claim 1 forms, it is characterized in that: described positioner is location hole, in described punching, be along the circumferential direction provided with a plurality of location holes, after described iron core laminated, on iron core, form half through hole of location hole quantity in punching.
3. minute four sections of oblique pole permanent magnet motor rotors that single punching as claimed in claim 1 forms, is characterized in that: in described punching, be along the circumferential direction provided with 8 location holes.
4. minute four sections of oblique pole permanent magnet motor rotors that single punching as claimed in claim 1 forms, it is characterized in that: described positioner is key, at described punching endoporus, be along the circumferential direction provided with a plurality of keys, after four sections of described iron core laminatings, the key that forms more than two number at the endoporus circumferencial direction unshakable in one's determination forming, wherein two keys connect each iron leg heart.
5. minute four sections of oblique pole permanent magnet motor rotors that single punching as claimed in claim 1 forms, is characterized in that: at described punching endoporus, be along the circumferential direction provided with four keys.
CN201420277294.8U 2014-05-28 2014-05-28 Four-segmented inclined-pole permanent magnet motor rotor formed by single punching sheets Active CN203850942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420277294.8U CN203850942U (en) 2014-05-28 2014-05-28 Four-segmented inclined-pole permanent magnet motor rotor formed by single punching sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420277294.8U CN203850942U (en) 2014-05-28 2014-05-28 Four-segmented inclined-pole permanent magnet motor rotor formed by single punching sheets

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333155A (en) * 2014-10-21 2015-02-04 杭州摩恩电机有限公司 Rotor iron core convenient to produce
CN104638849A (en) * 2015-02-16 2015-05-20 武汉华大新型电机科技股份有限公司 Method for processing stator and rotor punch sheets capable of reducing motor toothed groove torque and torque ripple
CN105262302A (en) * 2015-11-19 2016-01-20 迪百仕电机科技(苏州)有限公司 Rotor skewed pole structure for permanent magnet synchronous motor
CN105337436A (en) * 2015-12-14 2016-02-17 北京新能源汽车股份有限公司 Permanent-magnet synchronous motor and manufacturing method thereof and rotor sheet
CN106374657A (en) * 2016-11-14 2017-02-01 合普动力股份有限公司 Staggered pole permanent magnet rotor
CN106451988A (en) * 2016-12-16 2017-02-22 日本电产凯宇汽车电器(江苏)有限公司 Brushless electric machine rotor sheet of automobile brake system
CN106533104A (en) * 2016-12-28 2017-03-22 卧龙电气集团股份有限公司 Straight and oblique pole integrated rotor punching plate of permanent magnet synchronous motor and permanent magnet synchronous motor
CN106787567A (en) * 2017-03-09 2017-05-31 江苏久知电机技术有限公司 A kind of oblique pole structure of permasyn morot magnetic steel embedded rotor and manufacturing process
WO2017200312A1 (en) 2016-05-19 2017-11-23 삼성전자주식회사 Magnet-embedded motor and compressor using same
CN108092427A (en) * 2017-12-19 2018-05-29 宁波安信数控技术有限公司 A kind of rotor punching of magneto
CN109361280A (en) * 2018-04-18 2019-02-19 东风汽车电气有限公司 A kind of permanent-magnetic synchronous motor rotor
CN109617277A (en) * 2018-12-21 2019-04-12 重庆赛力盟电机有限责任公司 The oblique pole method of permanent magnet machine rotor
TWI684317B (en) * 2018-08-13 2020-02-01 國立中山大學 Drift-type electric rotor and iron core thereof
CN111245126A (en) * 2020-02-25 2020-06-05 合肥巨一动力系统有限公司 Permanent magnet motor oblique pole structure for new energy automobile
EP3442096B1 (en) * 2016-05-19 2021-01-27 Samsung Electronics Co., Ltd. Magnet-embedded motor and compressor using same
CN113489188A (en) * 2021-07-08 2021-10-08 珠海格力电器股份有限公司 Motor rotor, motor and air conditioner
CN113765312A (en) * 2021-09-28 2021-12-07 安徽威灵汽车部件有限公司 Rotor press-fitting method, rotor, electric power steering motor and vehicle
EP4124399A1 (en) 2021-07-28 2023-02-01 Volkswagen Ag Method for producing a rotor package
EP4125186A1 (en) 2021-07-28 2023-02-01 Volkswagen Ag Method for producing a rotor package
DE102022125718A1 (en) 2022-10-05 2023-12-14 Tk Elevator Innovation And Operations Gmbh Electric motor device with rotor plates arranged in multiple stages and a correspondingly equipped rotor and its use, in particular in elevator systems

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333155A (en) * 2014-10-21 2015-02-04 杭州摩恩电机有限公司 Rotor iron core convenient to produce
CN104638849A (en) * 2015-02-16 2015-05-20 武汉华大新型电机科技股份有限公司 Method for processing stator and rotor punch sheets capable of reducing motor toothed groove torque and torque ripple
CN105262302A (en) * 2015-11-19 2016-01-20 迪百仕电机科技(苏州)有限公司 Rotor skewed pole structure for permanent magnet synchronous motor
CN105337436B (en) * 2015-12-14 2018-09-18 北京新能源汽车股份有限公司 Permasyn morot and preparation method thereof and rotor punching
CN105337436A (en) * 2015-12-14 2016-02-17 北京新能源汽车股份有限公司 Permanent-magnet synchronous motor and manufacturing method thereof and rotor sheet
EP3442096B1 (en) * 2016-05-19 2021-01-27 Samsung Electronics Co., Ltd. Magnet-embedded motor and compressor using same
WO2017200312A1 (en) 2016-05-19 2017-11-23 삼성전자주식회사 Magnet-embedded motor and compressor using same
CN106374657A (en) * 2016-11-14 2017-02-01 合普动力股份有限公司 Staggered pole permanent magnet rotor
CN106451988A (en) * 2016-12-16 2017-02-22 日本电产凯宇汽车电器(江苏)有限公司 Brushless electric machine rotor sheet of automobile brake system
CN106533104A (en) * 2016-12-28 2017-03-22 卧龙电气集团股份有限公司 Straight and oblique pole integrated rotor punching plate of permanent magnet synchronous motor and permanent magnet synchronous motor
CN106787567A (en) * 2017-03-09 2017-05-31 江苏久知电机技术有限公司 A kind of oblique pole structure of permasyn morot magnetic steel embedded rotor and manufacturing process
CN106787567B (en) * 2017-03-09 2024-02-02 江苏久知电机股份有限公司 Oblique pole structure of magnetic steel embedded rotor of permanent magnet synchronous motor and manufacturing process
CN108092427A (en) * 2017-12-19 2018-05-29 宁波安信数控技术有限公司 A kind of rotor punching of magneto
CN109361280A (en) * 2018-04-18 2019-02-19 东风汽车电气有限公司 A kind of permanent-magnetic synchronous motor rotor
TWI684317B (en) * 2018-08-13 2020-02-01 國立中山大學 Drift-type electric rotor and iron core thereof
CN109617277A (en) * 2018-12-21 2019-04-12 重庆赛力盟电机有限责任公司 The oblique pole method of permanent magnet machine rotor
CN111245126A (en) * 2020-02-25 2020-06-05 合肥巨一动力系统有限公司 Permanent magnet motor oblique pole structure for new energy automobile
CN113489188A (en) * 2021-07-08 2021-10-08 珠海格力电器股份有限公司 Motor rotor, motor and air conditioner
EP4124399A1 (en) 2021-07-28 2023-02-01 Volkswagen Ag Method for producing a rotor package
EP4125186A1 (en) 2021-07-28 2023-02-01 Volkswagen Ag Method for producing a rotor package
DE102021208162A1 (en) 2021-07-28 2023-02-02 Volkswagen Aktiengesellschaft Process for manufacturing a rotor stack
DE102021208163A1 (en) 2021-07-28 2023-02-02 Volkswagen Aktiengesellschaft Process for manufacturing a rotor stack
CN113765312A (en) * 2021-09-28 2021-12-07 安徽威灵汽车部件有限公司 Rotor press-fitting method, rotor, electric power steering motor and vehicle
CN113765312B (en) * 2021-09-28 2022-08-02 安徽威灵汽车部件有限公司 Rotor press-fitting method, rotor, electric power steering motor and vehicle
DE102022125718A1 (en) 2022-10-05 2023-12-14 Tk Elevator Innovation And Operations Gmbh Electric motor device with rotor plates arranged in multiple stages and a correspondingly equipped rotor and its use, in particular in elevator systems

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