CN104753297A - Permanent magnetic synchronous motor and solid-like rotor structure thereof - Google Patents

Permanent magnetic synchronous motor and solid-like rotor structure thereof Download PDF

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Publication number
CN104753297A
CN104753297A CN201510166566.6A CN201510166566A CN104753297A CN 104753297 A CN104753297 A CN 104753297A CN 201510166566 A CN201510166566 A CN 201510166566A CN 104753297 A CN104753297 A CN 104753297A
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CN
China
Prior art keywords
polygon
punching
pole shoe
interpolar
axle sleeve
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CN201510166566.6A
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Chinese (zh)
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CN104753297B (en
Inventor
秦明
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BEIJING YINGFU LAITE POWER TECHNOLOGY Co.,Ltd.
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Beijing Jie Nuoruite Electromechanical Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/46Motors having additional short-circuited winding for starting as an asynchronous motor
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention discloses a permanent magnetic synchronous motor and a solid-like rotor structure thereof. The solid-like rotor structure comprises polygonal pole shoes, permanent magnets, a polygonal shaft sleeve, an inter-pole magnetic separating plate and a rotating shaft, the polygonal shaft sleeve is mounted on the rotating shaft in a sleeved manner, the polygonal pole shoes and the inter-pole magnetic separating plate are connected on the periphery of the polygonal shaft sleeve, permanent magnet grooves are formed between the polygonal pole shoes and the polygonal shaft sleeve, the permanent magnets are mounted in the permanent magnet groove, the inter-pole magnetic isolating plate is used for separating the polygonal pole shoes which are formed by stacking pole shoe punched pieces, the inter-pole magnetic separating plate is formed by stacking inter-pole punched pieces, and the polygonal shaft sleeve is formed by stacking polygonal punched pieces. The permanent magnetic synchronous motor adopting the rotor structure is simple and reliable in structure, low in cost and especially suitable for mass production, and an iron core of a rotor does not need to be machined. In addition, the solid-like rotor structure is used for the permanent magnetic synchronous motor asynchronous in starting and synchronous in running, so that the permanent magnetic synchronous motor has good starting performance like large starting torque and small starting current.

Description

A kind of permagnetic synchronous motor and class solid rotor structure thereof
Technical field
The present invention relates to machine field, particularly relate to a kind of permagnetic synchronous motor and class solid rotor structure thereof, be particularly useful for 2 pole permanent-magnet synchronous machines.
Background technology
Because the rotor structure of 2 pole permanent-magnet synchronous machines is arranged more difficult, general permagnetic synchronous motor, even if high-speed permanent magnet motor, is also designed to 4 electrode structures.
The same with Solid Rotor Asynchronous Motors, solid-rotor permanent-magnet motor has the remarkable advantage that starting torque is large, starting current is little, and especially asynchronous starting, synchronous operation and permagnetic synchronous motor not with frequency converter, be more suitable for being designed to solid-rotor permanent-magnet structure.Generally, 2 pole solid-rotor permanent-magnet synchronous motor rotor structures are complicated, and difficulty of processing is large, and processing technology is complicated and consuming time, and economy is poor, are especially not suitable for batch production.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of permagnetic synchronous motor and class solid rotor structure thereof, such solid rotor structure is applicable to permagnetic synchronous motor, particularly 2 pole permanent-magnet synchronous machines, make it have that structure is simple, cost is low, be applicable to the feature of batch production, there is the good starting performance that starting torque is large, starting current is little simultaneously.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
A kind of class solid rotor structure of permagnetic synchronous motor, comprise polygon pole shoe, permanent magnet, polygon axle sleeve, interpolar magnetic isolation plate, rotating shaft, wherein: described polygon axle sleeve is sleeved in rotating shaft, it is peripheral that polygon pole shoe and interpolar magnetic isolation plate are connected to polygon axle sleeve, permanent magnet trough is formed between polygon pole shoe and polygon axle sleeve, permanent magnet is arranged in permanent magnet trough, and interpolar magnetic isolation plate is used for polygon pole shoe to separate; Described polygon pole shoe is overrided to form by pole shoe punching; Interpolar magnetic isolation plate is overrided to form by interpolar punching; Polygon axle sleeve is overrided to form by polygon punching.
Further, described pole shoe punching periphery is provided with damping hole, and the damping hole of multiple pole shoe punching, through laminating formation damping slot, is provided with amortisseur bar in damping slot.
Further, described pole shoe punching is stamped to form by 10# or 20# picked sheet steel; Interpolar punching is stamped to form by non-magnetic corrosion resistant plate 1Cr18Ni9Ti; Polygon punching is stamped to form by ordinary silicon steel disc or common magnetic conduction sheet metal.
Further, the pole shoe punching forming polygon pole shoe is provided with lacing hole, seamed edge; The polygon punching of composition polygon axle sleeve is provided with lacing hole, seamed edge, wherein: the seamed edge of pole shoe punching and the seamed edge of polygon punching are through laminating the permanent magnet trough described in formation; The lacing hole of pole shoe punching and the lacing hole of polygon punching form lacing wire groove through laminating; Polygon pole shoe and polygon axle sleeve are fastenedly connected by the lacing wire be arranged in lacing wire groove.
Further, the interpolar punching forming interpolar magnetic isolation plate is provided with groove, projection; The polygon punching of composition polygon axle sleeve is provided with projection, groove, and wherein: the projection of interpolar punching laminates the projection forming interpolar magnetic isolation plate, the groove of interpolar punching is through laminating the groove forming interpolar magnetic isolation plate; The projection of polygon punching laminates the projection forming polygon axle sleeve, and the groove of polygon punching is through laminating the groove forming polygon axle sleeve; The projection of interpolar magnetic isolation plate and the groove of polygon axle sleeve, the groove of interpolar magnetic isolation plate and the projection of polygon axle sleeve closely cooperate and assemble.
Further, described polygon pole shoe and interpolar magnetic isolation plate are connected together.
Further, described polygon axle sleeve hot jacket in rotating shaft, key connecting between the two.
Further, described pole shoe punching, interpolar punching, polygon punching are provided with connecting hole, and pull bar all by being placed in respective connecting hole is fastening.
A kind of permagnetic synchronous motor, adopts above-mentioned class solid rotor structure.
Further, described motor is 2 pole permanent-magnet synchronous machines.
Owing to adopting technique scheme, the present invention at least has the following advantages:
1, the polygon pole shoe of class solid rotor iron core, polygon axle sleeve, interpolar magnetic isolation plate all adopt punching to be overrided to form, and do not need machine work, cost is low, are particularly suitable for batch production.
2, class solid rotor is coordinated by polygon pole shoe, permanent magnet, polygon axle sleeve, interpolar magnetic isolation plate etc. and forms, and between be connected by lacing wire connection, tongue and groove, have that structure is simple, feature reliably.
3, such solid rotor is used for the permagnetic synchronous motor of asynchronous starting, synchronous operation, the permagnetic synchronous motor with this structure is had starting torque is large, starting current is little good starting performance.
4, class solid rotor structure of the present invention is particularly useful for 2 pole permanent-magnet synchronous machines, and this structure is through using for reference conversion, can be widely used in the rotor structure of except 2 poles, to have other number of poles permagnetic synchronous motors.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is that a kind of class solid rotor structure of 2 pole permanent-magnet synchronous machines is always schemed;
Fig. 2 is a kind of pole shoe punching figure of class solid rotor of 2 pole permanent-magnet synchronous machines;
Fig. 3 is a kind of interpolar punching figure of class solid rotor of 2 pole permanent-magnet synchronous machines;
Fig. 4 is a kind of polygon punching figure of class solid rotor of 2 pole permanent-magnet synchronous machines.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The present embodiment is described for a kind of class solid rotor structure of 2 pole permanent-magnet synchronous machines.
Refer to shown in Fig. 1, the class solid rotor structure of a kind of 2 pole permanent-magnet synchronous machines of the present embodiment, rotor comprises: polygon pole shoe 1, amortisseur bar 2, lacing wire 3, permanent magnet 4, polygon axle sleeve 5, key 6, interpolar magnetic isolation plate 7, rotating shaft 8, wherein:
Polygon axle sleeve 5 is sleeved in rotating shaft 8, it is peripheral that polygon pole shoe 1 and interpolar magnetic isolation plate 7 are connected to polygon axle sleeve 5, form permanent magnet trough between polygon pole shoe 1 and polygon axle sleeve 5, permanent magnet 4 is arranged in permanent magnet trough, and interpolar magnetic isolation plate 7 is for separating two polygon pole shoes 1.
Polygon pole shoe 1 is overrided to form by pole shoe punching.
Interpolar magnetic isolation plate 7 is overrided to form by interpolar punching.
Polygon axle sleeve 5 is overrided to form by polygon punching.
Refer to shown in Fig. 2, the pole shoe punching of the class solid rotor of a kind of 2 pole permanent-magnet synchronous machines of the present embodiment, pole shoe punching is provided with: damping hole 11, connecting hole 12, lacing hole 13, seamed edge 14.
Refer to shown in Fig. 3, the interpolar punching of the class solid rotor of a kind of 2 pole permanent-magnet synchronous machines of the present embodiment, interpolar punching is provided with: connecting hole 71, groove 72, projection 73.
Refer to shown in Fig. 4, the polygon punching of the class solid rotor of a kind of 2 pole permanent-magnet synchronous machines of the present embodiment, polygon punching is provided with: connecting hole 51, lacing wire groove 52, keyway 53, seamed edge 54, projection 55, groove 56.
The damping hole 11 of pole shoe punching is through laminating formation damping slot.
The seamed edge 14 of pole shoe punching and the seamed edge 54 of polygon punching are through laminating formation permanent magnet trough.
The lacing hole 13 of pole shoe punching forms lacing wire groove with the lacing hole 52 of polygon punching through laminating.
Amortisseur bar 2 (copper bar) penetrates in the damping slot of the polygon pole shoe 1 be overrided to form by pole shoe punching.
The permanent magnet 4 of some quantity is arranged in the permanent magnet trough formed between polygon pole shoe 1 and polygon axle sleeve 5.
Lacing wire 3 penetrates in the lacing wire groove formed between polygon pole shoe 1 and polygon axle sleeve 5, is fastenedly connected polygon pole shoe 1 and polygon axle sleeve 5.
The projection 73 of interpolar punching laminates the projection forming interpolar magnetic isolation plate 7, and 72 grooves of interpolar punching are through laminating the groove forming interpolar magnetic isolation plate 7.
The projection 55 of polygon punching laminates the projection forming polygon axle sleeve 5, and the groove 56 of polygon punching is through laminating the groove forming polygon axle sleeve 5.
The interpolar magnetic isolation plate 7 be overrided to form by interpolar punching is arranged between two pieces of polygon pole shoes 1.The projection of interpolar magnetic isolation plate 7 and the groove of polygon axle sleeve 5, the groove of interpolar magnetic isolation plate 7 and the projection of polygon axle sleeve 5 closely cooperate and assemble.
Polygon pole shoe 1 and interpolar magnetic isolation plate 7 are connected together.
Polygon axle sleeve 5 hot jacket in rotating shaft 8, and forms key connecting relation by key 6.
The connecting hole 12 of pole shoe punching is fastening for the pull bar (not marking) of polygon pole shoe 1 body.
The connecting hole 71 of interpolar punching is fastening every the pull bar (not marking) of magnetic patch 7 body for interpolar.
The connecting hole 51 of polygon punching is fastening for the pull bar (not marking) of polygon axle sleeve 5 body.
Pole shoe punching is stamped to form by 10# or 20# picked sheet steel.
Interpolar punching is stamped to form by non-magnetic corrosion resistant plate 1Cr18Ni9Ti.
Polygon punching is stamped to form by ordinary silicon steel disc or common magnetic conduction sheet metal.
Above-mentioned class solid rotor is used for 2 pole permanent-magnet synchronous machines of asynchronous starting, synchronous operation, makes it have the good starting performance that starting torque is large, starting current is little.
Said structure, through using for reference conversion, can be widely used in the rotor structure of except 2 poles, to have other number of poles permagnetic synchronous motors.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a class solid rotor structure for permagnetic synchronous motor, is characterized in that, comprises polygon pole shoe, permanent magnet, polygon axle sleeve, interpolar magnetic isolation plate, rotating shaft, wherein:
Described polygon axle sleeve is sleeved in rotating shaft, it is peripheral that polygon pole shoe and interpolar magnetic isolation plate are connected to polygon axle sleeve, form permanent magnet trough between polygon pole shoe and polygon axle sleeve, permanent magnet is arranged in permanent magnet trough, and interpolar magnetic isolation plate is used for polygon pole shoe to separate;
Described polygon pole shoe is overrided to form by pole shoe punching; Interpolar magnetic isolation plate is overrided to form by interpolar punching; Polygon axle sleeve is overrided to form by polygon punching.
2. the class solid rotor structure of permagnetic synchronous motor according to claim 1, is characterized in that, described pole shoe punching periphery is provided with damping hole, and the damping hole of multiple pole shoe punching, through laminating formation damping slot, is provided with amortisseur bar in damping slot.
3. the class solid rotor structure of permagnetic synchronous motor according to claim 1 and 2, is characterized in that, described pole shoe punching is stamped to form by 10# or 20# picked sheet steel; Interpolar punching is stamped to form by non-magnetic corrosion resistant plate 1Cr18Ni9Ti; Polygon punching is stamped to form by ordinary silicon steel disc or common magnetic conduction sheet metal.
4. the class solid rotor structure of permagnetic synchronous motor according to claim 1 and 2, is characterized in that, the pole shoe punching of composition polygon pole shoe is provided with lacing hole, seamed edge; The polygon punching of composition polygon axle sleeve is provided with lacing hole, seamed edge, wherein:
The seamed edge of pole shoe punching and the seamed edge of polygon punching are through laminating the permanent magnet trough described in formation;
The lacing hole of pole shoe punching and the lacing hole of polygon punching form lacing wire groove through laminating; Polygon pole shoe and polygon axle sleeve are fastenedly connected by the lacing wire be arranged in lacing wire groove.
5. the class solid rotor structure of permagnetic synchronous motor according to claim 1 and 2, is characterized in that, the interpolar punching of composition interpolar magnetic isolation plate is provided with groove, projection; The polygon punching of composition polygon axle sleeve is provided with projection, groove, wherein:
The projection of interpolar punching laminates the projection forming interpolar magnetic isolation plate, and the groove of interpolar punching is through laminating the groove forming interpolar magnetic isolation plate; The projection of polygon punching laminates the projection forming polygon axle sleeve, and the groove of polygon punching is through laminating the groove forming polygon axle sleeve; The projection of interpolar magnetic isolation plate and the groove of polygon axle sleeve, the groove of interpolar magnetic isolation plate and the projection of polygon axle sleeve closely cooperate and assemble.
6. the class solid rotor structure of permagnetic synchronous motor according to claim 5, is characterized in that, described polygon pole shoe and interpolar magnetic isolation plate are connected together.
7. the class solid rotor structure of permagnetic synchronous motor according to claim 1 and 2, is characterized in that, described polygon axle sleeve hot jacket in rotating shaft, key connecting between the two.
8. the class solid rotor structure of permagnetic synchronous motor according to claim 1 and 2, is characterized in that, described pole shoe punching, interpolar punching, polygon punching are provided with connecting hole, and pull bar all by being placed in respective connecting hole is fastening.
9. a permagnetic synchronous motor, is characterized in that, adopts the class solid rotor structure described in any one of claim 1-8.
10. permagnetic synchronous motor according to claim 9, is characterized in that, described motor is 2 pole permanent-magnet synchronous machines.
CN201510166566.6A 2015-04-09 2015-04-09 A kind of permagnetic synchronous motor and its class solid rotor structure Active CN104753297B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576868A (en) * 2016-02-18 2016-05-11 华南理工大学 Spliced built-in permanent-magnet synchronous motor rotor
CN112653268A (en) * 2020-11-03 2021-04-13 安徽新沪屏蔽泵有限责任公司 Rotor core, asynchronous starting permanent magnet synchronous motor and canned motor pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003009477A (en) * 2001-06-25 2003-01-10 Nissan Motor Co Ltd Rotor structure of permanent magnet type dynamo- electric machine
CN102170200A (en) * 2010-11-19 2011-08-31 王乃兵 Method for manufacturing walking-connection arrow type rotor of PMSM (permanent magnet synchronous motor)
JP2012019623A (en) * 2010-07-08 2012-01-26 Toyota Boshoku Corp Rotor core
CN202713101U (en) * 2012-07-19 2013-01-30 浙江大学 Completely-closed permanent-magnet synchronous traction motor with unequal air gaps and skewed pole-shoe tangential magnetic circuit
CN204517615U (en) * 2015-04-09 2015-07-29 北京杰诺瑞特机电科技有限公司 A kind of permagnetic synchronous motor and class solid rotor structure thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003009477A (en) * 2001-06-25 2003-01-10 Nissan Motor Co Ltd Rotor structure of permanent magnet type dynamo- electric machine
JP2012019623A (en) * 2010-07-08 2012-01-26 Toyota Boshoku Corp Rotor core
CN102170200A (en) * 2010-11-19 2011-08-31 王乃兵 Method for manufacturing walking-connection arrow type rotor of PMSM (permanent magnet synchronous motor)
CN202713101U (en) * 2012-07-19 2013-01-30 浙江大学 Completely-closed permanent-magnet synchronous traction motor with unequal air gaps and skewed pole-shoe tangential magnetic circuit
CN204517615U (en) * 2015-04-09 2015-07-29 北京杰诺瑞特机电科技有限公司 A kind of permagnetic synchronous motor and class solid rotor structure thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576868A (en) * 2016-02-18 2016-05-11 华南理工大学 Spliced built-in permanent-magnet synchronous motor rotor
CN112653268A (en) * 2020-11-03 2021-04-13 安徽新沪屏蔽泵有限责任公司 Rotor core, asynchronous starting permanent magnet synchronous motor and canned motor pump

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Effective date of registration: 20200819

Address after: 300,000 Floor 3,330 Ziqiao Road, Haidian District, Beijing

Patentee after: BEIJING YINGFU LAITE POWER TECHNOLOGY Co.,Ltd.

Address before: 100000 Beijing city Fengtai District Xiaotun Road No. 9 Building No. 2 on the third floor of No. 8326

Patentee before: BEIJING GENERATOR MECHANICAL & ELECTRICAL TECHNOLOGY Co.,Ltd.