CN105226859B - A kind of rotor structure of the oblique pole of magneto V-arrangement - Google Patents
A kind of rotor structure of the oblique pole of magneto V-arrangement Download PDFInfo
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- CN105226859B CN105226859B CN201510738036.4A CN201510738036A CN105226859B CN 105226859 B CN105226859 B CN 105226859B CN 201510738036 A CN201510738036 A CN 201510738036A CN 105226859 B CN105226859 B CN 105226859B
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Abstract
The invention discloses a kind of rotor structure of the oblique pole of magneto V-arrangement, including shaft, disc, cylinder and unit magnetic pole, barrel outer surface is round, is provided with dovetail slot and threaded hole in an axial direction；Unit magnetic pole is overrided to form by rotor punching, is in an axial direction two sections of symmetrical V-shaped on cylinder, every section is assembled by multiple unit magnetic poles, and unit magnetic pole is distinguished and positioned using its dovetail structure.When fixed cell magnetic pole, using its dovetail structure, realizing rotor first half, side is twisted tilted in an axial direction, design of the latter half to the twisted tilted equal angular of opposite side.Since two-part oblique pole uses different inclined directions, the axial counter-force generated by oblique pole is counteracted, while cogging torque can be eliminated, reduces vibration and the noise of motor.
Description
Technical field
The present invention relates to a kind of structures of the oblique pole of permanent magnet machine rotor, belong to magneto technical field.
Background technology
Cogging torque is a kind of additional pulsating torque, can cause fluctuation, motor oscillating and the noise of rotating speed.Especially becoming
When speed driving, if the frequency of cogging torque close to the intrinsic frequency of system, can cause to resonate, increase noise.
To reduce or eliminate there are many kinds of the measures of cogging torque, wherein being one of most common method using oblique pole.It is right
For magneto, due to being equipped with permanent magnet on rotor, skewed-rotor structure can increase permanent magnet installation difficulty and forever
The fixation of magnet and leakproofness.
Additional axial force will all will produce while eliminating cogging torque for oblique pole structure.In order to offset by oblique
The axial force that pole generates, rotor can design the oblique pole structure of forming V-shape.For this structure, p-m rotor is more difficult to realize.
Invention content
In order to solve the above technical problems, the present invention provides a kind of rotor structure of the oblique pole of magneto V-arrangement, using unit magnetic
Pole forms the V-shaped oblique pole of two parts, and the oblique pole of two parts uses different inclined directions, and counteracting is axial anti-because oblique pole generates
Power, while cogging torque is eliminated, reduce vibration and the noise of motor.
Technical scheme is as follows：
A kind of rotor structure of the oblique pole of magneto V-arrangement, including shaft, disc, cylinder and unit magnetic pole；Cylinder and shaft
Between welded by disc, barrel outer surface be it is round, it is coaxial with shaft；On unit magnetic pole fixed cylinder；Unit magnetic pole is along axis
It to V-shaped arrangement, is made of symmetrical two sections oblique poles, described two sections oblique poles use opposite inclined direction；Every section of oblique pole is by more
A unit pole combination forms.
Further, positioning method of the unit magnetic pole on cylinder is：The outer round surface of cylinder is machined in an axial direction
The intrados of dovetail slot, unit magnetic pole is machined with dovetail structure；In the dovetail slot of the dovetail structure insertion cylinder of unit magnetic pole, and
The intrados of unit magnetic pole and the outer circle of cylinder coordinate.
Further, the unit magnetic pole includes a variety of different specifications, and difference lies in units for each specification unit magnetic pole
The deflection angle of dovetail structure circumferentially on magnetic pole is different；Each unit magnetic pole numbers individually storage according to different size；Two sections
Tiltedly extremely on unit magnetic pole can mutually use.
Further, fixed form of the unit magnetic pole on cylinder is：On the outer round surface and both ends of the surface of cylinder
It is machined with bolt hole；Polylith unit magnetic pole press strip is pushed down into two adjacent unit magnetic pole blending bolts mounted on cylinder respectively
Outer round surface is fastened unit magnetic pole with cylinder by unit magnetic pole press strip radially；Meanwhile with bolt by polylith iron core end
Portion's fixed plate is mounted in the both ends of the surface of cylinder, by core ends fixed plate from both sides by unit magnetic pole and cylinder in the axial direction
Fastening.
Further, the structure of the unit magnetic pole is：Unit magnetic pole by rotor punching, magnetic pole baffle, stainless steel rivet,
Magnet steel and pole end piece epoxy plate assemble；Place magnetic pole baffle respectively at the rotor punching both ends laminated, rotor punching and
The yoke portion of magnetic pole baffle and teeth portion have circumferentially been evenly distributed through-hole, are consolidated rotor punching and magnetic pole baffle with stainless steel rivet
It is fixed；Magnet steel and pole end piece epoxy plate are fixed in the unit magnetic pole riveted, wherein being located at rotor axial both sides outermost layer
Unit magnetic pole iron core axial length be more than magnet steel length, iron core axial length and the magnet steel length phase of remaining element magnetic pole
Deng；It is placed with thermal expansivity glass between the magnet steel of the outermost unit magnetic pole of core ends fixed plate and rotor axial both sides
Felt carries out epoxy sealant pouring and sealing to magnet steel.
The method have the benefit that：
1, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, rotor are the oblique pole structure of V-arrangement in reverse inclination direction, production
Raw additional axial force is cancelled out each other, and cogging torque is both eliminated, and is also eliminated additional pulsation axial force, is reduced noise and vibration.
2, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, unit magnetic pole independently make, and easy to operate, improve
The reliability and efficiency of production.
3, the rotor structure of the oblique pole of magneto V-arrangement of the present invention realizes rotor by the dovetail structure of unit magnetic pole
The purpose of step skewed pole.
4, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, it is right using core ends fixed plate and unit magnetic pole press strip
Unit magnetic pole is fixed.
Description of the drawings
Fig. 1 is the rotor overall structure diagram of the present invention.
Fig. 2 is shaft, disc and the tube structure schematic diagram of the present invention.
Fig. 3 is the unit field structure schematic diagram of the present invention
Fig. 4 is the rotor punching structure schematic diagram of the present invention.
Fig. 5 is the core ends fixed plate structure schematic diagram of the present invention.
Reference sign：1, shaft；2, disc；3, cylinder；3-1, dovetail slot；3-2, threaded hole；4, unit magnetic pole；4-
1, dovetail structure；5, rotor punching；6, magnetic pole baffle；7, stainless steel rivet；8, core ends fixed plate；9, magnet steel；10, heat is swollen
Swollen property glass felt；11, pole end piece epoxy plate；12, unit magnetic pole press strip.
Specific implementation mode
The following further describes the specific embodiments of the present invention with reference to the drawings.
As shown in Figure 1, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, includes mainly shaft 1, disc 2,3 and of cylinder
4 four part of unit magnetic pole.As shown in Fig. 2, the internal layer of rotor is tube structure, carried out by disc 2 between cylinder 3 and shaft 1
Welding；3 outer surface of cylinder is circle, and when processing will ensure the concentricity of cylinder 3 and shaft 1, at the same 3 surface of cylinder in an axial direction
Dovetail slot 3-1 and threaded hole 3-2 are processed, fixed cell magnetic pole 4 and unit magnetic pole press strip 12 is used for, also adds in 3 end face of cylinder
Work goes out threaded hole 3-2, is used for secured core end fixed plate 8.
As shown in Figure 1, unit magnetic pole 4 is fixed on axially through core ends fixed plate 8 and bolt on cylinder 3, it is radial
It is fixed on cylinder 3 by unit magnetic pole press strip 12 and bolt.The V-shaped pattern in an axial direction of unit magnetic pole 4, tiltedly by symmetrical two sections
Pole forms, and two sections of oblique poles use opposite inclined direction；Every section of oblique pole is made of multiple unit magnetic poles 4, each unit magnetic pole 4 it
Between mutual skew certain angle.Then rotor is divided into the symmetrical two parts of V-arrangement along pole center line, per part by multiple unit magnetic
Pole 4 is composed.
As shown in figure 3, for the structure of unit magnetic pole 4, a variety of different 4 structures of unit magnetic pole, each unit are shown in Fig. 3
Magnetic pole 4 is separately machined, independently laminates, rivets.Each unit magnetic pole 4 by 6, one groups of the magnetic pole baffle of a group rotor punching 5, two not
Rust 7, one groups of magnet steel 9 of steel rivet and two pieces of pole end piece epoxy plates 11 assemble.Magnet steel 9 is built-in, a unit magnetic pole
For a pole, it is overrided to form by identical segmental rotor punching 5.
As shown in figure 4, being a variety of different 5 structures of rotor punching, rotor punching 5 is segmental structure, in rotor punching 5
Diameter is arc surface.The outer diameter of cylinder 3 is identical with the internal diameter of rotor punching 5 simultaneously.
The yoke portion and teeth portion of rotor punching 5 and magnetic pole baffle 6 have circumferentially been evenly distributed through-hole；When assembling, by two pieces
Magnetic pole baffle 6 is placed on 5 both ends of rotor punching laminated, and lead to the hole site alignment by magnetic pole baffle 6 and is turned with stainless steel rivet 7
Sub- punching 5 is riveted, and to ensure the stacking factor of unit magnetic pole 4, tooth is avoided to rise.
Dovetail structure 4-1 axial locations are designed to by the dovetail structure 4-1 that rotor punching 5 and 6 intrados of magnetic pole baffle have
The specifications of several deflection different angles, side is twisted tilted in an axial direction for rotor first half after realizing installation, and latter half is to phase
The purpose of the anti-twisted tilted equal angular in side.By the specification difference for the unit magnetic pole 4 that rotor punching 5 and magnetic pole baffle 6 form
It is different to lie also in the deflection angles of its dovetail structure 4-1 circumferentially.According to the different size of unit magnetic pole 4, individually storage is numbered,
Convenient for subsequent assembling.Two sections tiltedly extremely in unit magnetic pole 4 can mutually use, only need the v-shaped structure unit magnetic pole 4 of one section of processing and fabricating
, the other end reversely installs.
When installation, unit magnetic pole 4 is positioned by its dovetail structure 4-1 and the dovetail slot 3-1 on cylinder 3；It is single simultaneously
The intrados of first magnetic pole 4 and the outer circle of cylinder 3 are coordinated, and realize the purpose of the oblique pole of rotor segment.Utilize iron as shown in Figure 5
Each segment unit magnetic pole 4 is pressed abd fixed on cylinder 3 by core end fixed plate 8 and bolt.
Magnet steel 4 and pole end piece epoxy plate 11 are fixed in the unit magnetic pole 4 riveted with quick-drying paint.Positioned at rotor two
The axial length of outermost 4 core portion of unit magnetic pole in side is slightly larger than the length of magnet steel 9, ensures after staking, unit magnetic pole 4
Core portion has certain small―gap suture in the axial direction with magnet steel 9.It is solid in 9 end face of magnet steel of said units magnetic pole 4 and core ends
One group of thermal expansivity glass felt 10 is covered between fixed board 8, plays the corrective action to 9 axial restraint of magnet steel.To unit magnetic pole 4
Magnet steel 9 carries out epoxy sealing.
When rotor assembling production, the core ends fixed plate 8 of one end is first installed, then mounting end is bonded with thermal expansivity
The end unit magnetic pole 4 of glass felt 10 ensures that 10 side of thermal expansivity glass felt is contacted with core ends fixed plate 8；Later according to
Secondary installation each unit magnetic pole 4 when installing last layer unit magnetic pole 4, pays attention to that the side of thermal expansivity glass felt 10 will be bonded with
It places outwardly.After unit magnetic pole 4 installs, unit magnetic pole 4 is fixed on by cylinder 3 by unit magnetic pole press strip 12 and bolt
On, then carry out epoxy sealing；The 8 axial restraint unit magnetic pole 4 of core ends fixed plate of the other end is installed later.
What has been described above is only a preferred embodiment of the present invention, and present invention is not limited to the above embodiments.It is appreciated that this
The oher improvements and changes that field technology personnel directly export or associate without departing from the basic idea of the present invention,
It is considered as being included within protection scope of the present invention.
Claims (2)
1. a kind of rotor structure of the oblique pole of magneto V-arrangement, it is characterised in that：Including shaft, disc, cylinder and unit magnetic pole；
Welded by disc between cylinder and shaft, barrel outer surface be it is round, it is coaxial with shaft；The outer round surface of the cylinder is along axis
To dovetail slot is machined with, the intrados of unit magnetic pole is machined with dovetail structure；The dove of the dovetail structure insertion cylinder of unit magnetic pole
In stern notch, and the outer circle of the intrados of unit magnetic pole and cylinder coordinates, and the unit magnetic pole includes a variety of different specifications, each to advise
Difference lies in the deflection angle of the dovetail structure on unit magnetic pole circumferentially is different for lattice unit magnetic pole；Each unit magnetic pole is not according to
The individually storage of same specification number；Two sections tiltedly extremely on unit magnetic pole can mutually use；Unit magnetic pole V-shaped arrangement in an axial direction, by symmetrical
Two sections of oblique poles compositions, described two sections oblique poles are using opposite inclined direction；Every section of oblique pole is formed by multiple unit pole combinations；
The structure of the unit magnetic pole is：Unit magnetic pole is by rotor punching, magnetic pole baffle, stainless steel rivet, magnet steel and pole end piece ring
Oxygen plate assembles；Place magnetic pole baffle respectively at the rotor punching both ends laminated, the yoke portion of rotor punching and magnetic pole baffle and
Teeth portion has circumferentially been evenly distributed through-hole, is fixed rotor punching and magnetic pole baffle with stainless steel rivet；By magnet steel and magnetic pole
End epoxy plate is fixed in the unit magnetic pole riveted, wherein positioned at the iron core of the outermost unit magnetic pole in rotor axial both sides
Axial length is more than magnet steel length, iron core axial length and the magnet steel equal length of remaining element magnetic pole；It is fixed in core ends
It is placed with thermal expansivity glass felt between the magnet steel of the outermost unit magnetic pole of plate and rotor axial both sides, epoxy is carried out to magnet steel
Sealant pouring and sealing.
2. the rotor structure of the oblique pole of magneto V-arrangement according to claim 1, which is characterized in that the unit magnetic pole exists
Fixed form on cylinder is：It is machined with bolt hole on the outer round surface and both ends of the surface of cylinder；By polylith unit magnetic pole press strip
The outer round surface that two adjacent unit magnetic pole blending bolts are mounted on cylinder is pushed down respectively, by unit magnetic pole press strip by unit
Magnetic pole fastens radially with cylinder；Meanwhile polylith core ends fixed plate being mounted in the both ends of the surface of cylinder with bolt, lead to
Core ends fixed plate is crossed to fasten unit magnetic pole in the axial direction with cylinder from both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738036.4A CN105226859B (en) | 2015-11-03 | 2015-11-03 | A kind of rotor structure of the oblique pole of magneto V-arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738036.4A CN105226859B (en) | 2015-11-03 | 2015-11-03 | A kind of rotor structure of the oblique pole of magneto V-arrangement |
Publications (2)
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| CN105226859A CN105226859A (en) | 2016-01-06 |
| CN105226859B true CN105226859B (en) | 2018-08-07 |
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| CN108808909B (en) * | 2018-05-23 | 2021-03-26 | 中车永济电机有限公司 | Rotor structure with split type clamp plate |
| CN109742913A (en) * | 2018-12-20 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of permanent magnetism magnetic pole fixing means and rotor |
| KR20200114258A (en) | 2019-03-28 | 2020-10-07 | 엘지이노텍 주식회사 | Motor |
| CN112054614B (en) * | 2019-06-06 | 2022-12-27 | 北京金风科创风电设备有限公司 | Whole-pole magnetic pole module and rotor for permanent magnet motor |
| CN110429731A (en) * | 2019-07-31 | 2019-11-08 | 中车永济电机有限公司 | Large modular symmetrical inclined poles permanent magnetism wind power generator rotor |
| CN110535269A (en) * | 2019-10-10 | 2019-12-03 | 安徽安凯汽车股份有限公司 | A kind of permanent-magnetic synchronous motor rotor step skewed pole structure |
| CN111884371B (en) * | 2020-07-21 | 2021-08-10 | 江苏汇智高端工程机械创新中心有限公司 | Permanent magnet motor rotor and permanent magnet motor |
| FR3112906B1 (en) | 2020-07-23 | 2023-10-13 | Nidec Psa Emotors | rotating electric machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001251838A (en) * | 2000-03-06 | 2001-09-14 | Genesis:Kk | Rotating machine with basic factor |
| CN201282375Y (en) * | 2008-09-27 | 2009-07-29 | 沈阳工业大学 | Combined rotor structure of permanent magnet wind power generator |
| US20100277027A1 (en) * | 2009-04-30 | 2010-11-04 | Gm Global Technology Operations, Inc. | Skew pattern for a permanent magnet rotor |
| CN202550739U (en) * | 2012-03-20 | 2012-11-21 | 中科盛创（青岛）电气有限公司 | Magnetic steel end part fastening structure of permanent magnet motor rotor |
| CN202949297U (en) * | 2012-11-14 | 2013-05-22 | 北京三一电机系统有限责任公司 | Motor rotor and high-speed permanent magnet generator |
| CN103746529A (en) * | 2013-12-27 | 2014-04-23 | 联合汽车电子有限公司 | Permanent-magnet synchronous motor, stator and rotor |
| CN205081594U (en) * | 2015-11-03 | 2016-03-09 | 中科盛创（青岛）电气股份有限公司 | Permanent -magnet machine V shape is rotor structure of utmost point to one side |
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Effective date of registration: 20230419 Address after: 266000 1-23, D5 floor, LANWAN Pioneer Park, No.1 Jinhui Road, high tech Zone, Qingdao, Shandong Province Patentee after: Vision power Ltd. Address before: No. 18 Xinye Road, Qingdao, Shandong 266100 Patentee before: SINOPAL (QINGDAO) ELECTRIC CO.,LTD. |
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