CN105226859A - 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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- CN105226859A CN105226859A CN201510738036.4A CN201510738036A CN105226859A CN 105226859 A CN105226859 A CN 105226859A CN 201510738036 A CN201510738036 A CN 201510738036A CN 105226859 A CN105226859 A CN 105226859A
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Abstract
The invention discloses a kind of rotor structure of the oblique pole of magneto V-arrangement, comprise rotating shaft, disc, cylindrical shell and unit magnetic pole, barrel outer surface is round, has dovetail slot and screwed hole vertically; Unit magnetic pole is overrided to form by rotor punching, and V-shaped two sections symmetrically vertically on cylindrical shell, every section is assembled by multiple unit magnetic pole, and unit magnetic pole utilizes its dove stern construction to carry out distinguishing and locating.During fixed cell magnetic pole, utilize its dove stern construction, side is twisted tilted vertically to realize rotor first half, and latter half is to the design of the twisted tilted equal angular of opposite side.Because two-part oblique pole have employed different incline directions, counteract the axial counter-force because oblique pole produces, can cogging torque be eliminated simultaneously, reduce the vibration & noise of motor.
Description
Technical field
The present invention relates to the structure of the oblique pole of a kind of permanent magnet machine rotor, belong to magneto technical field.
Background technology
Cogging torque is a kind of additional pulsating torque, can cause the fluctuation of rotating speed, motor oscillating and noise.Especially when variable speed drives, if the frequency of cogging torque is close to the natural frequency of system, can resonance be caused, increase noise.
For the measure of reduction or elimination cogging torque has a variety of, oblique pole is wherein adopted to be one of modal method.For magneto, due to rotor being provided with permanent magnet, skewed-rotor structure can increase the fixing and sealing of permanent magnet installation difficulty and permanent magnet.
For oblique electrode structure, while elimination cogging torque, all additional axial force will be produced.In order to offset the axial force produced by oblique pole, rotor can design the oblique electrode structure of forming V-shape.For this structure, p-m rotor is by more difficult realization.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of rotor structure of the oblique pole of magneto V-arrangement, unit magnetic pole is adopted to form the V-shaped oblique pole of two parts, the oblique pole of two parts have employed different incline directions, offset the axial counter-force because oblique pole produces, eliminate cogging torque simultaneously, reduce the vibration & noise of motor.
Technical scheme of the present invention is as follows:
A rotor structure for the oblique pole of magneto V-arrangement, comprises rotating shaft, disc, cylindrical shell and unit magnetic pole; Welded by disc between cylindrical shell with rotating shaft, barrel outer surface is round, coaxial with rotating shaft; On unit magnetic pole fixed cylinder; Unit magnetic pole is V-shaped layout vertically, is made up of two sections of oblique poles of symmetry, and described two sections of oblique poles adopt contrary incline direction; Every section of oblique pole is formed by multiple unit pole combination.
Further, the locate mode of described unit magnetic pole on cylindrical shell is: the outer round surface of cylindrical shell is processed with dovetail slot vertically, and the intrados of unit magnetic pole is processed with dove stern construction; The dove stern construction of unit magnetic pole embeds in the dovetail slot of cylindrical shell, and the intrados of unit magnetic pole coordinates with the cylindrical of cylindrical shell.
Further, described unit magnetic pole comprises multiple different specification, and the difference of each specification unit magnetic pole is that the dove stern construction deflection angle circumferentially on unit magnetic pole is different; Each unit magnetic pole is deposited separately according to different size numbering; Two sections of unit magnetic poles tiltedly extremely gone up can be used mutually.
Further, the fixed form of described unit magnetic pole on cylindrical shell is: the outer round surface of cylindrical shell and both ends of the surface are all processed with bolt hole; Polylith unit magnetic pole press strip is pushed down two adjacent unit magnetic poles respectively and is arranged on the outer round surface of cylindrical shell with bolt, by unit magnetic pole press strip by unit magnetic pole and cylindrical shell fastening diametrically; Meanwhile, with bolt, polylith core ends fixed head is arranged in the both ends of the surface of cylindrical shell, by core ends fixed head from both sides by unit magnetic pole and cylindrical shell fastening in the axial direction.
Further, the structure of described unit magnetic pole is: unit magnetic pole is assembled by rotor punching, magnetic pole baffle plate, stainless steel rivet, magnet steel and pole end piece epoxy plate; Place magnetic pole baffle plate respectively at the rotor punching two ends laminated, the yoke portion of rotor punching and magnetic pole baffle plate and teeth portion are circumferentially distributed with through hole equably, rotor punching and magnetic pole baffle plate are fixed with stainless steel rivet; Magnet steel and pole end piece epoxy plate are fixed in the unit magnetic pole of having riveted, the iron core axial length being wherein positioned at the outermost unit magnetic pole in rotor axial both sides is greater than magnet steel length, and the iron core axial length of remaining element magnetic pole is equal with magnet steel length; Between the magnet steel of the outermost unit magnetic pole of core ends fixed head and rotor axial both sides, be placed with thermal expansivity glass felt, epoxy sealant pouring and sealing is carried out to magnet steel.
Advantageous Effects of the present invention is:
1, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, rotor is the oblique electrode structure of V-arrangement in reverse inclination direction, and the additional axial force of generation is cancelled out each other, and both eliminates cogging torque, also eliminates additional pulsation axial force, reduces noise and vibration.
2, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, unit magnetic pole independently makes, and easy to operate, improves reliability and the efficiency of production.
3, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, by the dove stern construction of unit magnetic pole, achieves the object of the oblique pole of segmentation of rotor.
4, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, utilizes core ends fixed head and unit magnetic pole press strip, is fixed unit magnetic pole.
Accompanying drawing explanation
Fig. 1 is rotor overall structure schematic diagram of the present invention.
Fig. 2 is rotating shaft of the present invention, disc and tube structure schematic diagram.
Fig. 3 is unit field structure schematic diagram of the present invention
Fig. 4 is rotor punching structure schematic diagram of the present invention.
Fig. 5 is core ends fixed plate structure schematic diagram of the present invention.
Description of reference numerals: 1, rotating shaft; 2, disc; 3, cylindrical shell; 3-1, dovetail slot; 3-2, screwed hole; 4, unit magnetic pole; 4-1, dove stern construction; 5, rotor punching; 6, magnetic pole baffle plate; 7, stainless steel rivet; 8, core ends fixed head; 9, magnet steel; 10, thermal expansivity glass felt; 11, pole end piece epoxy plate; 12, unit magnetic pole press strip.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, the rotor structure of the oblique pole of magneto V-arrangement of the present invention, mainly comprises rotating shaft 1, disc 2, cylindrical shell 3 and unit magnetic pole 4 four part.As shown in Figure 2, the internal layer of rotor is tube structure, is welded between cylindrical shell 3 with rotating shaft 1 by disc 2; Cylindrical shell 3 outer surface is circular, add the axiality that will ensure cylindrical shell 3 and rotating shaft 1 man-hour, process dovetail slot 3-1 and screwed hole 3-2 vertically on cylindrical shell 3 surface simultaneously, for fixed cell magnetic pole 4 and unit magnetic pole press strip 12, also screwed hole 3-2 is processed, for secured core end winding support plate 8 at cylindrical shell 3 end face.
As shown in Figure 1, unit magnetic pole 4 axially by core ends fixed head 8 be bolted on cylindrical shell 3, radial through unit magnetic pole press strip 12 be bolted on cylindrical shell 3.Unit magnetic pole 4 is V-shaped pattern vertically, and be made up of two sections of oblique poles of symmetry, two sections of oblique poles adopt contrary incline direction; Every section of oblique pole is made up of multiple unit magnetic pole 4, the angle that between unit magnetic pole 4, mutual skew is certain.Then rotor is divided into two parts of V-arrangement symmetry along pole center line, and every part is combined by multiple unit magnetic pole 4.
As shown in Figure 3, be the structure of unit magnetic pole 4, multiple different unit magnetic pole 4 structure has been shown in Fig. 3, the independent processing of each unit magnetic pole 4, independently laminates, rivets.Each unit magnetic pole 4 is assembled by a group rotor punching 5, two magnetic pole baffle plates 6, one group of stainless steel rivet 7, one group of magnet steel 9 and two pieces of pole end piece epoxy plates 11.Magnet steel 9 is built-in, and a unit magnetic pole is a pole, is overrided to form by identical segmental rotor punching 5.
As shown in Figure 4, be multiple different rotor punching 5 structure, rotor punching 5 is segmental structure, and rotor punching 5 internal diameter is arc surface.The external diameter of cylindrical shell 3 is identical with the internal diameter of rotor punching 5 simultaneously.
The yoke portion of rotor punching 5 and magnetic pole baffle plate 6 and teeth portion are circumferentially distributed with through hole equably; During assembling, two pieces of magnetic pole baffle plates 6 are placed on rotor punching 5 two ends laminated, lead to the hole site aligns, and magnetic pole baffle plate 6 and rotor punching 5 is riveted, to ensure the stacking factor of unit magnetic pole 4, avoid tooth to rise with stainless steel rivet 7.
The dove stern construction 4-1 that rotor punching 5 and magnetic pole baffle plate 6 intrados have, dove stern construction 4-1 axial location is designed to the specification of several deflection different angles, side is twisted tilted vertically to realize installing rear rotor first half, and latter half is to the object of the twisted tilted equal angular of opposite side.Also be that its dove stern construction 4-1 deflection angle is circumferentially different by rotor punching 5 with the specification difference of the unit magnetic pole 4 that magnetic pole baffle plate 6 forms.According to the different size of unit magnetic pole 4, numbering is deposited separately, is convenient to follow-up assembling.Two sections tiltedly extremely in unit magnetic pole 4 can use mutually, only need the v-shaped structure unit magnetic pole 4 of processing and fabricating one section, the other end is oppositely installed.
During installation, unit magnetic pole 4 is positioned by the dovetail slot 3-1 on its dove stern construction 4-1 and cylindrical shell 3; The intrados of unit magnetic pole 4 coordinates with the cylindrical of cylindrical shell 3 simultaneously, realizes the object of the oblique pole of rotor segment.Utilize core ends fixed head 8 as shown in Figure 5 and bolt, each segment unit magnetic pole 4 is pressed abd fixed on cylindrical shell 3.
Magnet steel 4 and pole end piece epoxy plate 11 be fixed in the unit magnetic pole 4 of having riveted with quick-drying paint.Be positioned at the length of axial length slightly larger than magnet steel 9 of rotor both sides outermost unit magnetic pole 4 core portion, ensure after staking, unit magnetic pole 4 core portion and magnet steel 9 have certain small―gap suture in the axial direction.Between magnet steel 9 end face and core ends fixed head 8 of said units magnetic pole 4, cover one group of thermal expansivity glass felt 10, play the corrective action to magnet steel 9 axial restraint.Epoxy sealing is carried out to the magnet steel 9 of unit magnetic pole 4.
When rotor assembling is produced, first install the core ends fixed head 8 of one end, then mounting end is bonded with the end unit magnetic pole 4 of thermal expansivity glass felt 10, ensures that thermal expansivity glass felt 10 side contacts with core ends fixed head 8; Each unit magnetic pole 4 is installed afterwards successively, when last layer unit magnetic pole 4 is installed, notes the side being bonded with thermal expansivity glass felt 10 to place outwardly.After unit magnetic pole 4 installs, by unit magnetic pole press strip 12 and bolt, unit magnetic pole 4 is fixed on cylindrical shell 3, then carries out epoxy sealing; The core ends fixed head 8 axial restraint unit magnetic pole 4 of the other end is installed afterwards.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive without departing from the basic idea of the present invention or associate, all should think and be included within protection scope of the present invention.
Claims (5)
1. a rotor structure for the oblique pole of magneto V-arrangement, is characterized in that: comprise rotating shaft, disc, cylindrical shell and unit magnetic pole; Welded by disc between cylindrical shell with rotating shaft, barrel outer surface is round, coaxial with rotating shaft; On unit magnetic pole fixed cylinder; Unit magnetic pole is V-shaped layout vertically, is made up of two sections of oblique poles of symmetry, and described two sections of oblique poles adopt contrary incline direction; Every section of oblique pole is formed by multiple unit pole combination.
2. the rotor structure of the oblique pole of magneto V-arrangement according to claim 1, is characterized in that, the locate mode of described unit magnetic pole on cylindrical shell is: the outer round surface of cylindrical shell is processed with dovetail slot vertically, and the intrados of unit magnetic pole is processed with dove stern construction; The dove stern construction of unit magnetic pole embeds in the dovetail slot of cylindrical shell, and the intrados of unit magnetic pole coordinates with the cylindrical of cylindrical shell.
3. the rotor structure of the oblique pole of magneto V-arrangement according to claim 1, is characterized in that: described unit magnetic pole comprises multiple different specification, and the difference of each specification unit magnetic pole is that the dove stern construction deflection angle circumferentially on unit magnetic pole is different; Each unit magnetic pole is deposited separately according to different size numbering; Two sections of unit magnetic poles tiltedly extremely gone up can be used mutually.
4. the rotor structure of the oblique pole of magneto V-arrangement according to claim 1, is characterized in that, the fixed form of described unit magnetic pole on cylindrical shell is: the outer round surface of cylindrical shell and both ends of the surface are all processed with bolt hole; Polylith unit magnetic pole press strip is pushed down two adjacent unit magnetic poles respectively and is arranged on the outer round surface of cylindrical shell with bolt, by unit magnetic pole press strip by unit magnetic pole and cylindrical shell fastening diametrically; Meanwhile, with bolt, polylith core ends fixed head is arranged in the both ends of the surface of cylindrical shell, by core ends fixed head from both sides by unit magnetic pole and cylindrical shell fastening in the axial direction.
5. the rotor structure of the oblique pole of magneto V-arrangement according to claim 1, is characterized in that, the structure of described unit magnetic pole is: unit magnetic pole is assembled by rotor punching, magnetic pole baffle plate, stainless steel rivet, magnet steel and pole end piece epoxy plate; Place magnetic pole baffle plate respectively at the rotor punching two ends laminated, the yoke portion of rotor punching and magnetic pole baffle plate and teeth portion are circumferentially distributed with through hole equably, rotor punching and magnetic pole baffle plate are fixed with stainless steel rivet; Magnet steel and pole end piece epoxy plate are fixed in the unit magnetic pole of having riveted, the iron core axial length being wherein positioned at the outermost unit magnetic pole in rotor axial both sides is greater than magnet steel length, and the iron core axial length of remaining element magnetic pole is equal with magnet steel length; Between the magnet steel of the outermost unit magnetic pole of core ends fixed head and rotor axial both sides, be placed with thermal expansivity glass felt, epoxy sealant pouring and sealing is carried out to magnet steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510738036.4A CN105226859B (en) | 2015-11-03 | 2015-11-03 | A kind of rotor structure of the oblique pole of magneto V-arrangement |
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| CN201510738036.4A CN105226859B (en) | 2015-11-03 | 2015-11-03 | A kind of rotor structure of the oblique pole of magneto V-arrangement |
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| CN105226859A true CN105226859A (en) | 2016-01-06 |
| CN105226859B CN105226859B (en) | 2018-08-07 |
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Cited By (8)
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| CN108808909A (en) * | 2018-05-23 | 2018-11-13 | 中车永济电机有限公司 | A kind of rotor structure with split type pressing 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 |
| 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 |
| WO2020197138A1 (en) * | 2019-03-28 | 2020-10-01 | 엘지이노텍 주식회사 | Motor |
| CN111884371A (en) * | 2020-07-21 | 2020-11-03 | 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 |
| CN112054614A (en) * | 2019-06-06 | 2020-12-08 | 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 |
| WO2022018363A2 (en) | 2020-07-23 | 2022-01-27 | Nidec Psa Emotors | Rotary electric machine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| 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 |
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| AU2020239647B2 (en) * | 2019-06-06 | 2021-09-30 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Magnetic pole module and rotor for permanent magnet generator |
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| 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 |
| US11888369B2 (en) | 2019-06-06 | 2024-01-30 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Magnetic pole module and rotor for permanent magnet generator |
| 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 |
| CN111884371A (en) * | 2020-07-21 | 2020-11-03 | 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 |
| WO2022018363A2 (en) | 2020-07-23 | 2022-01-27 | Nidec Psa Emotors | Rotary electric machine |
| FR3112906A1 (en) | 2020-07-23 | 2022-01-28 | Nidec Psa Emotors | Rotating electric machine |
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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. |