CN206004431U - A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure - Google Patents

A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure Download PDF

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Publication number
CN206004431U
CN206004431U CN201620822661.7U CN201620822661U CN206004431U CN 206004431 U CN206004431 U CN 206004431U CN 201620822661 U CN201620822661 U CN 201620822661U CN 206004431 U CN206004431 U CN 206004431U
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China
Prior art keywords
magnet steel
symmetrical
uniform gap
synchronous motor
asymmetric
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CN201620822661.7U
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Chinese (zh)
Inventor
徐小康
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Shanghai Faxi Drive Technology Co., Ltd.
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Shanghai Duge Driver Equipment Co Ltd
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Abstract

The utility model discloses a kind of non-uniform gap durface mounted permanent magnet synchronous motor structure, including rotor punching, symmetrical magnet steel, asymmetric magnet steel, circumferentially shape is uniformly fixedly mounted on the outside of rotor punching to described symmetrical magnet steel, and quantity is odd number, is reserved with magnet isolation tank between symmetrical magnet steel;It is provided with least one asymmetric magnet steel, the quantity of described asymmetric magnet steel is odd number between described symmetrical magnet steel.The utility model has the advantages that:The magnetic field of otherwise symmetrical is changed into non-uniform gap, from theoretical research and actual test, motor performance is held essentially constant, simultaneously in the case of not skewed slot, effectively weaken noise vibration and the cogging torque of motor, reduce the temperature rise of motor it is ensured that the high-performance of motor.

Description

A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure
Technical field
This utility model is related to a kind of motor rotor punching sheet, especially relates to a kind of non-uniform gap durface mounted permanent magnet synchronous Electric machine structure.
Background technology
For eliminating the noise vibration occurring in motor operation course, motor manufacturer generally adopts skewed slot technique.Will electricity The stator core of machine or rotor core, when laminating, tilt according to certain angle and then laminate.Motor can effectively be weakened originally The harmonic wave that body is deposited.Meanwhile, in permanent magnetic synchronous motor structure, because rotor punching can not tilt, so typically adopting stator Iron core chute.Moreover it is possible to substantially weaken cogging torque so that motor in addition to the noise vibration to motor significantly improves effect Rotate more steady.But in the case that some electric machine rotor iron cores are unsuitable for skewed slot process, using other solution party It is just necessary that method reaches harmonic carcellation purpose.
Utility model content
This utility model is directed to the deficiency of existing product, and provides a kind of non-uniform gap durface mounted permanent magnet synchronous motor knot Structure.
A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure of the present utility model, including rotor punching, symmetrical magnetic Steel, asymmetric magnet steel, circumferentially shape is uniformly fixedly mounted on the outside of rotor punching to described symmetrical magnet steel, and quantity is strange Number, is reserved with magnet isolation tank between symmetrical magnet steel;It is provided with least one asymmetric magnet steel between described symmetrical magnet steel, described not right The quantity of magnet steel is called odd number.
Further, the outer ring of described rotor punching has several installation notch, and in described installation notch, embedded installation is right Claim magnet steel and asymmetric magnet steel, the outer ring of described rotor punching has the equal number of magnet isolation tank with installation notch.
Further, the big 0.2-0.3mm of the symmetrical magnet thickness of the depth ratio of described installation notch.
Further, the depth of described asymmetric magnet steel is identical with symmetrical magnet steel, and the radian of asymmetric magnet steel is not equal to symmetrically Magnet steel.
Further, described symmetrical magnet steel is collectively constituted by one or more permanent magnet.
The beneficial effects of the utility model are:1st, this utility model adopts the permanent magnet of dissymmetrical structure, by otherwise symmetrical Magnetic field be changed into non-uniform gap, from theoretical research and actual test, motor performance is held essentially constant, simultaneously not oblique In the case of groove, effectively weaken noise vibration and the cogging torque of motor, reduce the temperature rise of motor it is ensured that motor High-performance.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure:Rotor punching 1, symmetrical magnet steel 2, asymmetric magnet steel 3.
Specific embodiment
With reference to embodiment, the utility model will be further described.
A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure of the present utility model is mainly by rotor punching 1, symmetrical Magnet steel 2, asymmetric magnet steel 3 form.
A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure, including rotor punching 1, symmetrical magnet steel 2, asymmetric magnetic Steel 3, circumferentially shape is uniformly fixedly mounted on the outside of rotor punching 1 to described symmetrical magnet steel 2, and quantity is odd number, symmetrical magnetic It is reserved with magnet isolation tank between steel 2;It is provided with least one asymmetric magnet steel 3, described asymmetric magnet steel between described symmetrical magnet steel 2 3 quantity is odd number.
The outer ring of described rotor punching 1 has several installation notch, the symmetrical magnet steel 2 of embedded installation in described installation notch With asymmetric magnet steel 3, the outer ring of described rotor punching 1 has the equal number of magnet isolation tank with installation notch.Magnet isolation tank is as far as possible Decrease leakage field passage, serve poly- magnetic effect well, improve air gap flux density.
The big 0.2-0.3mm of the symmetrical magnet steel of depth ratio 2 thickness of described installation notch.
The depth of described asymmetric magnet steel 3 is identical with symmetrical magnet steel 2, and the radian of asymmetric magnet steel 3 is not equal to symmetrical magnet steel 2.
Described symmetrical magnet steel 2 is collectively constituted by one or more permanent magnet.
A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure of the present utility model, using the permanent magnetism of dissymmetrical structure Body, the magnetic field of otherwise symmetrical is changed into non-uniform gap, and from theoretical research and actual test, motor performance keeps not substantially Become, simultaneously in the case of not skewed slot, effectively weaken noise vibration and the cogging torque of motor.This utility model has efficiently Rate, high-performance, low noise, the advantage of low cost.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every The equivalent structure made using this utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases The technical field closed, is all included in the same manner in scope of patent protection of the present utility model.

Claims (5)

1. a kind of non-uniform gap durface mounted permanent magnet synchronous motor structure, is characterized in that, including rotor punching(1), symmetrical magnet steel (2), asymmetric magnet steel(3), described symmetrical magnet steel(2)Circumferentially shape is uniformly fixedly mounted on rotor punching(1)Outside, and Quantity is odd number, symmetrical magnet steel(2)Between be reserved with magnet isolation tank;Described symmetrical magnet steel(2)Between to be provided with least one not right Claim magnet steel(3), described asymmetric magnet steel(3)Quantity be odd number.
2. a kind of non-uniform gap durface mounted permanent magnet synchronous motor structure according to claim 1, is characterized in that, described turn Sub- punching(1)Outer ring have several installation notch, embedded in described installation notch symmetrical magnet steel is installed(2)With asymmetric magnetic Steel(3), described rotor punching(1)Outer ring have the equal number of magnet isolation tank with installation notch.
3. a kind of non-uniform gap durface mounted permanent magnet synchronous motor structure according to claim 2, is characterized in that, described peace The symmetrical magnet steel of depth ratio of tankage mouth(2)The big 0.2-0.3mm of thickness.
4. a kind of non-uniform gap durface mounted permanent magnet synchronous motor structure according to claim 1, is characterized in that, described not Symmetrical magnet steel(3)Depth and symmetrical magnet steel(2)Identical, asymmetric magnet steel(3)Radian be not equal to symmetrical magnet steel(2).
5. a kind of non-uniform gap durface mounted permanent magnet synchronous motor structure according to claim 1, is characterized in that, described right Claim magnet steel(2)Collectively constituted by one or more permanent magnet.
CN201620822661.7U 2016-07-30 2016-07-30 A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure Active CN206004431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620822661.7U CN206004431U (en) 2016-07-30 2016-07-30 A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620822661.7U CN206004431U (en) 2016-07-30 2016-07-30 A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure

Publications (1)

Publication Number Publication Date
CN206004431U true CN206004431U (en) 2017-03-08

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CN201620822661.7U Active CN206004431U (en) 2016-07-30 2016-07-30 A kind of non-uniform gap durface mounted permanent magnet synchronous motor structure

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111614174A (en) * 2019-02-25 2020-09-01 中车株洲电力机车研究所有限公司 Surface-mounted motor rotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111614174A (en) * 2019-02-25 2020-09-01 中车株洲电力机车研究所有限公司 Surface-mounted motor rotor

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CP03 Change of name, title or address

Address after: 200233 Jinshan District Fengjing town Shanghai Wanfeng Road No. 2666 No. 69 No. 7

Patentee after: Shanghai Faxi Drive Technology Co., Ltd.

Address before: Wanfeng highway 200233 Shanghai city Jinshan District Fengjing Industrial Zone No. 2666

Patentee before: SHANGHAI DUGE DRIVER EQUIPMENT CO., LTD.