CN1885687A - Transverse magnetic field permanent-magnet synchronous motor with rotor magnetic pole three-sided wall type structure - Google Patents

Transverse magnetic field permanent-magnet synchronous motor with rotor magnetic pole three-sided wall type structure Download PDF

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Publication number
CN1885687A
CN1885687A CN 200610089318 CN200610089318A CN1885687A CN 1885687 A CN1885687 A CN 1885687A CN 200610089318 CN200610089318 CN 200610089318 CN 200610089318 A CN200610089318 A CN 200610089318A CN 1885687 A CN1885687 A CN 1885687A
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CN
China
Prior art keywords
rotor
pole
stator
magnetic field
synchronous motor
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CN 200610089318
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Chinese (zh)
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CN100508335C (en
Inventor
邱阿瑞
陶果
李大雷
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Tsinghua University
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Tsinghua University
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Priority to CNB2006100893187A priority Critical patent/CN100508335C/en
Publication of CN1885687A publication Critical patent/CN1885687A/en
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Publication of CN100508335C publication Critical patent/CN100508335C/en
Expired - Fee Related legal-status Critical Current
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  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The disclosed horizontal magnetic-field permanent magnet synchronous motor comprises: the U-shaped stator with number same as motor pole pair fixed on shell, a ring stator coiling on bottom of U-shaped slot, every phase of rotor with two magnetic pole rings included 180deg electric angle to form main magnetic pole. This invention applies three-wall gather-magnetic structure for rotor to reduce iron core loss and increase magnetic air gap density.

Description

A kind of transverse magnetic field permanent-magnet synchronous motor of rotor magnetic pole three-sided wall type structure
Technical field
The invention belongs to the magneto field, particularly a kind of transverse magnetic field permanent-magnet synchronous motor of rotor magnetic pole three-sided wall type structure.
Background technology
Existing permanent-magnetic motor with transverse magnetic field mainly is divided into two kinds of flat and magneticfocusings, and plate armature is simple, but air-gap induction is lower, poor-performing.Magneticfocusing structure air-gap induction is higher, and performance is more excellent, adopts inside and outside double-stator structure but stator structure is general, or adopts three-dimensional stator core structure, and the structure more complicated has increased difficulty and the cost made.
Summary of the invention
The present invention seeks to solve in the existing focused transverse magnetic field magneto, stator structure is complicated problems comparatively, a kind of transverse magnetic field permanent-magnet synchronous motor of rotor magnetic pole three-sided wall type structure has been proposed, on the basis of realizing rotor magnetic pole magneticfocusing structure, simplify stator core structure, simplify manufacturing process, improved motor properties.
The transverse magnetic field permanent-magnet synchronous motor of the rotor magnetic pole three-sided wall type structure of the present invention's design, comprise U-shaped stator core, annular stator winding, three-sided wall type rotor permanent magnetism magnetic pole, rotor core, rotor field spider, rotating shaft, bearing, shell, it is characterized in that: stator forms for the U-shaped silicon steel plate packing, form the same number of U-iron heart of number of pole-pairs with motor, evenly distribute along circumference, be fixed on the shell; Stator winding is a toroidal coil structure, places the bottom of stator U-shaped core slots; Each has two pole rings mutually rotor, and the position of magnetic pole on two pole rings is interlaced, and mutual deviation 180 degree electrical degrees constitute main pole; Rotor magnetic pole and iron core are bonded on the non-magnetic conduction support of rotor, constitute whole rotor structure.
Separate between each phase of described motor, there is not the magnetic circuit coupling, its number of phases is m, and m can increase according to the needs of output torque, and the m value is 3~9 positive integer.
Stator tooth mutual deviation 2 π/m electrical degree between each phase of described motor.
Separate between each phase of described motor, there is not the magnetic circuit coupling, as long as the output torque that can improve motor by the number of phases m that increases motor is stator tooth mutual deviation 2 π/m electrical degree between each phase.
The invention has the advantages that stator can adopt simple U-shaped lamination, rotor has adopted the three-sided wall type magnetism-collected structure, is easy to make and reduce the stator core loss, improves air gap flux density, improves motor properties.
Description of drawings
Fig. 1 is the axial stator and the rotor structure schematic diagram of the permanent-magnetic motor with transverse magnetic field of rotor magnetic pole three-sided wall type structure of the present invention.
Fig. 2 is the rotor radial schematic diagram of the permanent-magnetic motor with transverse magnetic field of rotor magnetic pole three-sided wall type structure of the present invention.
Fig. 3 is the permanent-magnetic motor with transverse magnetic field stator U-shaped and the stator winding location diagram of rotor magnetic pole three-sided wall type structure of the present invention.
Fig. 4 is three-phase 30 utmost point radial structure schematic diagrames of the permanent-magnetic motor with transverse magnetic field of rotor magnetic pole three-sided wall type structure of the present invention.
Figure 5 shows that field structure schematic diagram of rotor.
Embodiment
The present invention proposes a kind of transverse magnetic field permanent-magnet synchronous motor of rotor magnetic pole three-sided wall type structure, stator structure is comparatively complicated in the existing focused transverse magnetic field magneto proposes in order to solve.Below in conjunction with accompanying drawing the present invention is illustrated.
Comprise U-shaped stator core 5 among Fig. 1, annular stator winding 7, three-sided wall type rotor permanent magnetism magnetic pole 6,10,11; Rotor core 3,4,12, rotor field spider 2, rotating shaft 9, bearing 1.Stator 5 forms for the U-shaped silicon steel plate packing, and the same number of U-iron heart of number of pole-pairs of formation and motor evenly distributes along circumference, is fixed on the shell 8; Stator winding 7 is a toroidal coil structure, places the bottom (as shown in Figure 3) of stator U-shaped core slots; Each has two pole rings mutually rotor, and the position of magnetic pole on two pole rings is interlaced, and mutual deviation 180 degree electrical degrees constitute main pole, and rotor magnetic pole and iron core are bonded on the non-magnetic conduction support 2 of rotor, constitute whole rotor structure.
Figure 2 shows that the rotor radial view of a phase, permanent magnet blocks 6,10,11 constitutes the poly-magnetic field structure of three-sided wall type, and rotor core is divided into 3,4,12 3 parts.
Figure 3 shows that the stator U-iron heart 5 of motor and the location diagram between the stator winding 7
Figure 4 shows that three-phase 30 utmost point radial structure schematic diagrames of the permanent-magnetic motor with transverse magnetic field of rotor magnetic pole three-sided wall type structure of the present invention.Stator winding 7 is a toroidal coil structure, places the bottom of stator U-shaped core slots; Each has two pole rings mutually rotor, and the position of magnetic pole on two pole rings is interlaced, and mutual deviation 180 degree electrical degrees constitute main pole, and the non-magnetic conduction support 2 of rotor is fixed in the rotating shaft 9.
Figure 5 shows that field structure schematic diagram of rotor, constitute by permanent magnet blocks 6,10,11.

Claims (4)

1. focused transverse magnetic field permagnetic synchronous motor, comprise shell, U-shaped stator core, annular stator winding, three-sided wall type rotor permanent magnetism magnetic pole, rotor core, rotor field spider, rotating shaft, bearing, it is characterized in that: stator forms for the U-shaped silicon steel plate packing, form the same number of U-iron heart of number of pole-pairs with motor, evenly distribute along circumference, be fixed on the shell; Stator winding is a toroidal coil structure, places the bottom of stator U-shaped core slots; Each has two pole rings mutually rotor, and the position of magnetic pole on two pole rings is interlaced, and mutual deviation 180 degree electrical degrees constitute main pole, and rotor magnetic pole and iron core are bonded on the non-magnetic conduction support of rotor, constitute whole rotor structure.
2. focused transverse magnetic field permagnetic synchronous motor according to claim 1 is characterized in that: the rotor permanent magnetism magnetic pole is the U-shaped three-sided wall type magnetism-collected structure that 3 permanent magnets constitute.
3. focused transverse magnetic field permagnetic synchronous motor according to claim 1 is characterized in that: separate between each phase of described motor, there is not the magnetic circuit coupling, and its number of phases is m, and m can increase according to the needs of output torque, and the m value is 3~9 positive integer.
4. focused transverse magnetic field permagnetic synchronous motor according to claim 1 is characterized in that: stator tooth mutual deviation 2 π/m electrical degree between each phase of described motor.
CNB2006100893187A 2006-06-19 2006-06-19 Transverse magnetic field permanent-magnet synchronous motor with rotor magnetic pole three-sided wall type structure Expired - Fee Related CN100508335C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100893187A CN100508335C (en) 2006-06-19 2006-06-19 Transverse magnetic field permanent-magnet synchronous motor with rotor magnetic pole three-sided wall type structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100893187A CN100508335C (en) 2006-06-19 2006-06-19 Transverse magnetic field permanent-magnet synchronous motor with rotor magnetic pole three-sided wall type structure

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CN1885687A true CN1885687A (en) 2006-12-27
CN100508335C CN100508335C (en) 2009-07-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101577449B (en) * 2009-03-18 2011-04-20 东南大学 Magnetic flux switching type transverse magnetic flux permanent magnetism wind mill generator
CN102518590A (en) * 2011-12-23 2012-06-27 上海电机学院 Transverse magnetic field magnetic pump
CN102118088B (en) * 2009-12-31 2013-01-23 上海特波电机有限公司 Magnetism-concentrated pole-shoe-shared permanent magnet motor
CN104836398A (en) * 2015-05-26 2015-08-12 哈尔滨工业大学 Rotor magnetic concentrating double-stator transverse magnetic field permanent magnet synchronous motor
CN105375726A (en) * 2015-12-21 2016-03-02 哈尔滨工业大学 Combined magnetic pole type built-in radial linear permanent magnet synchronous motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101577449B (en) * 2009-03-18 2011-04-20 东南大学 Magnetic flux switching type transverse magnetic flux permanent magnetism wind mill generator
CN102118088B (en) * 2009-12-31 2013-01-23 上海特波电机有限公司 Magnetism-concentrated pole-shoe-shared permanent magnet motor
CN102518590A (en) * 2011-12-23 2012-06-27 上海电机学院 Transverse magnetic field magnetic pump
CN104836398A (en) * 2015-05-26 2015-08-12 哈尔滨工业大学 Rotor magnetic concentrating double-stator transverse magnetic field permanent magnet synchronous motor
CN104836398B (en) * 2015-05-26 2017-03-29 哈尔滨工业大学 Rotor magneticfocusing bimorph transducer transverse magnetic field permanent-magnet synchronous motor
CN105375726A (en) * 2015-12-21 2016-03-02 哈尔滨工业大学 Combined magnetic pole type built-in radial linear permanent magnet synchronous motor

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Granted publication date: 20090701

Termination date: 20100619