CN208971266U - A kind of permanent-magnetic synchronous motor rotor and motor - Google Patents

A kind of permanent-magnetic synchronous motor rotor and motor Download PDF

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Publication number
CN208971266U
CN208971266U CN201821993454.3U CN201821993454U CN208971266U CN 208971266 U CN208971266 U CN 208971266U CN 201821993454 U CN201821993454 U CN 201821993454U CN 208971266 U CN208971266 U CN 208971266U
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China
Prior art keywords
rotor
core unit
rotor core
permanent
magnet steel
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Active
Application number
CN201821993454.3U
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Chinese (zh)
Inventor
谭咸伟
徐卫东
毛勇
刘小军
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XIANGTAN LIYUAN ELECTRIC TOOLING CO Ltd
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XEMC LIGHT ELECTRIC CO Ltd
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Priority to CN201821993454.3U priority Critical patent/CN208971266U/en
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Abstract

The utility model relates to a kind of permanent-magnetic synchronous motor rotors, its rotor core components includes 2n sections or more rotor core unit, each rotor core unit is along the circumferential direction equipped with the magnet steel through slot of m symmetrical structure, the magnet steel through slot of the odd number section rotor core unit and the magnet steel through slot radial misalignments α angle of even number section rotor core unit, the α is skewed-rotor angle, the symmetrical line of the rotor punching bond structure and the symmetrical line dislocation angle of α/2 of magnet steel through slot.The utility model passes through the symmetrical line of rotor punching bond structure and the symmetrical line dislocation angle of α/2 of magnet steel through slot, then punching a positive and a negative of the rotor core unit of adjacent segment is laminated, to realize the magnet steel dislocation α angle of the rotor core unit of adjacent segment to realize the α angle of skewed-rotor, when manufacture, manufacture can be realized in identical a set of Lamination mould, saves manufacturing cost.The utility model further relates to a kind of permanent magnet synchronous motor comprising this rotor.

Description

A kind of permanent-magnetic synchronous motor rotor and motor
Technical field
The utility model relates to motor field more particularly to a kind of permanent-magnetic synchronous motor rotors and motor.
Background technique
Permanent magnet synchronous motor establishes main field using the permanent magnet being distributed according to certain rules in rotor, this makes permanent-magnet synchronous Motor has many advantages, such as that more efficient and power factor is high compared with traditional electro-magnetic motor.Permanent magnet can be adopted in rotor core With various arrangement mode, so permanent magnet motor structure is diversified, the permanent magnet motor structure of optimization can effectively improve motor performance Index.
The cost of permanent-magnet material accounts for a big chunk of entire motor manufacturing cost, in order to improve permanent-magnet material utilization rate, Magneto is often compact-sized, air gap is smaller, the distribution of air gap flux density influenced by stator tooth socket it is very big, to produce tooth Slot torque, so that motor output torque is pulsed.
Weaken slot effect using skewed stator slot, but skewed stator slot can reduce stator groove area, and influence winding inserting. Effect same as skewed stator slot can produce using skewed-rotor, be using skewed-rotor, at present generally every section of rotor Punching angled difference when causing manufacture punching, needs to cover the mold of punching, and the process is more complicated, higher cost more.
Utility model content
The purpose of this utility model is to provide utility model one kind, cost is relatively low, a kind of easily fabricated permanent magnet synchronous electric Machine rotor and motor.
The technical solution of the utility model, a kind of permanent-magnetic synchronous motor rotor comprising shaft, rotor core components, institute Stating rotor core components includes 2n sections or more rotor core unit, and n is natural number, after rotor core unit is laminated by rotor punching It being fixed together with matched magnet steel, each rotor core unit is along the circumferential direction equipped with the magnet steel through slot of m symmetrical structure, The permanent magnet to match is equipped in each magnet steel through slot, rotor core unit realizes radial positioning by key and shaft, The magnet steel through slot of the odd number section rotor core unit and the angle magnet steel through slot radial misalignments α of even number section rotor core unit Degree, the α are skewed-rotor angle, and the symmetrical line of the rotor punching bond structure and the symmetrical line of magnet steel through slot are wrong The position angle of α/2, when laminating, the rotor punching of the odd number section rotor core unit and turning for even number section rotor core unit Sub- punching it is contrary, i.e., the described odd number section rotor core unit is face-up laminated by rotor punching, described Even number section rotor core unit is laminated upward by rotor punching reverse side, the adjacent angle rotor core magnet steel through slot location dislocation α Degree is to realize skewed-rotor.
Preferably, the magnet steel through slot is V-shape.
Preferably, the rotor core unit realizes radial positioning by symmetrically arranged two keys and shaft.
Preferably, the rotor punching of the rotor core unit is equipped with reciprocal crosses labeling.
Preferably, the bond structure of the rotor punching of the rotor core unit is equipped with the reciprocal crosses labeling of rotor punching.
Preferably, the magnet steel is magnetized after the assembly of rotor core unit.
The utility model further relates to a kind of permanent magnet synchronous motor comprising permanent-magnetic synchronous motor rotor, the permanent-magnet synchronous Rotor is permanent-magnetic synchronous motor rotor described above.
The advantageous effects of the utility model are to pass through symmetrical line and the magnet steel through slot of rotor punching bond structure The symmetrical line dislocation angle of α/2, then punching a positive and a negative of the rotor core unit of adjacent segment is laminated, to realize The magnet steel dislocation α angle of the rotor core unit of adjacent segment realizes the α angle of skewed-rotor, when manufacture, identical a set of punching Manufacture can be realized in sheet mold, saves manufacturing cost.The program is suitable for batch production.
Detailed description of the invention
Fig. 1 is the rotor structure schematic diagram of the utility model embodiment;
Fig. 2 is the rotor punching structure schematic diagram of the utility model embodiment;
Fig. 3 is the structural schematic diagram of I 2-1 of rotor core unit of the utility model embodiment;
Fig. 4 is the structural schematic diagram of the rotor core unit II 2-2 of the utility model embodiment.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Referring to attached drawing, a kind of permanent-magnetic synchronous motor rotor comprising shaft 1, rotor core components 2, the rotor core Component 2 includes 2 sections of rotor core units I 2-1 and 2 section of rotor core unit II 2-2, I 2-1 of rotor core unit and rotor core Unit II 2-2 is fixed together with matched magnet steel 4 after being laminated by rotor punching 3 and constitutes, and rotor punching 3 is along the circumferential direction uniform Magnet steel through slot 3-1, the magnet steel through slot 3-1 equipped with 8 symmetrical structures are V-shape, embedding respectively in each magnet steel through slot 3-1 It is equipped with the permanent magnet 4 to match, the magnet steel 4 magnetizes after mounting, on a bond structure of the rotor punching 3 Equipped with reciprocal crosses labeling 3-4, rotor core unit I 2-1 and rotor core unit II 2-2 passes through symmetrically arranged two keys and shaft 1 realizes radial positioning, the magnet steel through slot 3-1 diameter of the magnet steel through slot 3-1 and rotor core unit II 2-2 of I 2-1 of iron core unit To dislocation α angle, the α is skewed-rotor angle, the symmetrical line 3-2 and magnet steel through slot of 3 bond structure of rotor punching The symmetrical line 3-3 dislocation angle of α/2 of 3-1, when laminating, the rotor punching 3 and rotor iron of I 2-1 of rotor core unit The rotor punching 3 of II 2-2 of core unit it is contrary, i.e., described I 2-1 of rotor core unit is just being faced by rotor punching 3 On laminate, the rotor core unit II 2-2 is laminated upward by 3 reverse side of rotor punching, to make adjacent rotor core The magnet steel through slot 3-1 location dislocation α angle of I 2-1 of unit and rotor core unit II 2-2 realizes skewed-rotor.
The utility model further relates to a kind of magneto comprising this permanent magnet machine rotor.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of permanent-magnetic synchronous motor rotor comprising shaft, rotor core components, which is characterized in that the rotor core portion Part includes 2n sections or more rotor core unit, and n is natural number, and rotor core unit laminates rear and matched magnet steel by rotor punching It is fixed together, each rotor core unit is along the circumferential direction equipped with the magnet steel through slot of m symmetrical structure, in each magnet steel through slot It is inside equipped with the permanent magnet to match, rotor core unit realizes radial positioning, odd number section rotor by key and shaft The magnet steel through slot of iron core unit and the magnet steel through slot radial misalignments α angle of even number section rotor core unit, the α are that rotor is oblique Polar angle degree, the symmetrical line of the rotor punching bond structure and the symmetrical line dislocation angle of α/2 of magnet steel through slot, laminate When, the direction phase of the rotor punching and the rotor punching of even number section rotor core unit of the odd number section rotor core unit Instead, i.e., the described odd number section rotor core unit is face-up laminated by rotor punching, the even number section rotor core Unit is laminated upward by rotor punching reverse side, and adjacent rotor core magnet steel through slot location dislocation α angle realizes that rotor is oblique Pole.
2. a kind of permanent-magnetic synchronous motor rotor according to claim 1, which is characterized in that the magnet steel through slot is V-shape.
3. according to claim 1 or a kind of permanent-magnetic synchronous motor rotor as claimed in claim 2, which is characterized in that the rotor Iron core unit realizes radial positioning by symmetrically arranged two keys and shaft.
Described in 4. according to claim 1 or a kind of permanent-magnetic synchronous motor rotor as claimed in claim 2, which is characterized in that rotor The rotor punching of iron core unit is equipped with reciprocal crosses labeling.
5. a kind of permanent-magnetic synchronous motor rotor according to claim 3, which is characterized in that rotor core unit turns Sub- punching is equipped with reciprocal crosses labeling.
6. a kind of permanent-magnetic synchronous motor rotor according to claim 5, which is characterized in that the rotor core unit turns The bond structure of sub- punching is equipped with the reciprocal crosses labeling of rotor punching.
7. according to claim 1 or a kind of permanent-magnetic synchronous motor rotor as claimed in claim 2, which is characterized in that the magnet steel It is to magnetize after the assembly of rotor core unit.
8. a kind of permanent-magnetic synchronous motor rotor according to claim 3, which is characterized in that the magnet steel is in rotor core It magnetizes after unit assembly.
9. a kind of permanent-magnetic synchronous motor rotor according to claim 6, which is characterized in that the magnet steel is in rotor core It magnetizes after unit assembly.
10. a kind of permanent magnet synchronous motor comprising permanent-magnetic synchronous motor rotor, which is characterized in that the permanent magnet synchronous motor turns Son is permanent-magnetic synchronous motor rotor described in 1 to 9 any claim of the claims.
CN201821993454.3U 2018-11-30 2018-11-30 A kind of permanent-magnetic synchronous motor rotor and motor Active CN208971266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821993454.3U CN208971266U (en) 2018-11-30 2018-11-30 A kind of permanent-magnetic synchronous motor rotor and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821993454.3U CN208971266U (en) 2018-11-30 2018-11-30 A kind of permanent-magnetic synchronous motor rotor and motor

Publications (1)

Publication Number Publication Date
CN208971266U true CN208971266U (en) 2019-06-11

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Application Number Title Priority Date Filing Date
CN201821993454.3U Active CN208971266U (en) 2018-11-30 2018-11-30 A kind of permanent-magnetic synchronous motor rotor and motor

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CN (1) CN208971266U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110365180A (en) * 2019-07-22 2019-10-22 宁波华表机械制造有限公司 A kind of oblique magnetic pole type permanent magnet synchronous motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110365180A (en) * 2019-07-22 2019-10-22 宁波华表机械制造有限公司 A kind of oblique magnetic pole type permanent magnet synchronous motor

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GR01 Patent grant
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20200522

Address after: 411101 No. 302, xiazhisi street, Tangqu, Xiangtan City, Hunan Province

Patentee after: Xiangtan Liyuan Electric Tooling Co.,Ltd.

Address before: 411101 Hunan Province, Xiangtan city Yuetang District College Road No. 38 Innovation Park

Patentee before: XEMC LIGHT ELECTRIC Co.,Ltd.