CN105958775B - Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor - Google Patents

Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor Download PDF

Info

Publication number
CN105958775B
CN105958775B CN201610306606.7A CN201610306606A CN105958775B CN 105958775 B CN105958775 B CN 105958775B CN 201610306606 A CN201610306606 A CN 201610306606A CN 105958775 B CN105958775 B CN 105958775B
Authority
CN
China
Prior art keywords
permanent
rectangular channel
magnet steel
rotor core
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610306606.7A
Other languages
Chinese (zh)
Other versions
CN105958775A (en
Inventor
张学义
马清芝
李波
杨坤
马超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University of Technology
Original Assignee
Shandong University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University of Technology filed Critical Shandong University of Technology
Priority to CN201610306606.7A priority Critical patent/CN105958775B/en
Publication of CN105958775A publication Critical patent/CN105958775A/en
Application granted granted Critical
Publication of CN105958775B publication Critical patent/CN105958775B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
    • H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating
    • H02K21/044—Rotor of the claw pole type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The present invention provides a kind of permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor, belongs to motor in electric automobile technical field of electric appliances.It is made of drive end bearing bracket, rear end cap, casing, rotor, stator, rectangle permanent-magnet steel is separately mounted in tangential rectangular channel and radial direction rectangular channel, permanent-magnet steel can be effectively prevent to generate irreversible demagnetization under the armature-reaction effect of dash current, ensure permanent-magnet steel not loss of excitation, magnetic field in driving motor air gap is provided jointly by permanent-magnet steel and electrical excitation winding, magnetic field intensity is big, and output power is high.

Description

Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor
Technical field
The present invention provides a kind of permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor, belongs to motor in electric automobile electrical apparatus technology Field.
Background technology
The rotor of the permanent magnet drive motor used on electric vehicle at present is such as existing mostly using the outer damascene structures of permanent magnet There are technology, patent name：Brushless DC motor rotor, the patent No.：ZL200920116549.1 discloses following technical solution, Including rotor core, shaft and permanent magnet, rotor core is formed and is connected by punching superposition, and shaft is fixed with rotor core Connection, the outer surface of rotor core is evenly distributed with even number T shape voussoirs, slot, permanent magnet pair is formed between adjacent T shapes voussoir It should be embedded in slot, the permanent magnet of the construction rotor, may under the armature-reaction effect of dash current directly facing air gap Irreversible demagnetization is generated, irreversible demagnetization, driving motor efficiency reduce permanent magnet once being formed, and power, torque decline rapidly, Performance needs further improvement.
Invention content
Drawbacks described above can be overcome the object of the present invention is to provide a kind of, the magnetic field in driving motor air gap is by permanent-magnet steel and electricity Exciting Windings for Transverse Differential Protection provides jointly, and magnetic field intensity is big, the high permanent magnetism of power density and pawl pole electromagnetic hybrid excitation driving motor, technology Content is：
Permanent magnetism is with pawl pole electromagnetic hybrid excitation driving motor by drive end bearing bracket, rear end cap, casing, rotor with hybrid excitation, stator Composition, it is characterised in that：Rotor with hybrid excitation is by carrying the Lundell electrical excitation rotor and combination type permanent-magnet of carbon brush slip-ring structure Rotor forms；
Combination type permanent-magnet rotor by axis, the first rectangle permanent-magnet steel, rotor core, the second rectangle permanent-magnet steel, every magnetic air gap group Into being evenly equipped with the radial direction rectangular channel that even number runs through rotor core thickness, the outer end of radial direction rectangular channel and rotor on rotor core It does not connect between the outer circle of iron core, is equipped among the outer end of two neighboring radial direction rectangular channel through the tangential of rotor core thickness Rectangular channel, radial direction rectangular channel are not connected with tangential rectangular channel, are connected between the outer end of tangential rectangular channel and the outer circle of rotor core, Each tangential rectangular channel inner edge midpoint and the line at rotor core center are equal, and are equipped in the inner end of each radial direction rectangular channel It is adjacent not connected every magnetic air gap through rotor core thickness every magnetic air gap, by the first rectangle permanent-magnet steel according to adjacent two The N poles of piece the first rectangle permanent-magnet steel and N are extremely opposite, S poles are sequentially arranged at mode extremely opposite S in radial direction rectangular channel, then general Second rectangle permanent-magnet steel is led to by the identical mode of the polarity that the polarity of lateral surface the first rectangle permanent-magnet steel adjacent with two panels is formed It crosses pole shoe to be sequentially fixed in tangential rectangular channel by screw, rotor core is fitted on axis.
Operation principle：When driving motor is passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, driving motor Stator generates space rotating magnetic field, its magnetic field interaction caused by with rotor, rotor generates and stator winding rotating excitation field The consistent rotating torques in direction rotate driving motor rotor, and then drive electric vehicle operation.
Compared with prior art, the present invention rectangle permanent-magnet steel is separately mounted in tangential rectangular channel and radial direction rectangular channel, energy Permanent-magnet steel is enough effectively prevent to generate irreversible demagnetization under the armature-reaction effect of dash current, ensures permanent-magnet steel not loss of excitation, drives Magnetic field in dynamic motor gas-gap is provided jointly by permanent-magnet steel and electrical excitation winding, and magnetic field intensity is big, and output power is high.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention.
Fig. 2 is the p-m rotor sectional view of embodiment illustrated in fig. 1.
In figure：1st, rear end cap 2, axis 3, casing 4, stator 5, the second rectangle permanent-magnet steel 6, rotor core 7, First rectangle permanent-magnet steel 8, every magnetic air gap 9, drive end bearing bracket.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor are by drive end bearing bracket 9, rear end cap 1, casing 3, rotor with hybrid excitation, fixed Son 4 forms, it is characterised in that：Rotor with hybrid excitation by carry carbon brush slip-ring structure Lundell electrical excitation rotor and combined type forever Magnet rotor forms；
Combination type permanent-magnet rotor by axis 2, the first rectangle permanent-magnet steel 7, rotor core 6, the second rectangle permanent-magnet steel 5, every magnetism Gap 8 forms, and the radial direction rectangular channel that even number runs through 6 thickness of rotor core, the outer end of radial direction rectangular channel are evenly equipped on rotor core 6 It does not connect, is equipped among the outer end of two neighboring radial direction rectangular channel thick through rotor core 6 between the outer circle of rotor core 6 The tangential rectangular channel of degree, radial direction rectangular channel are not connected with tangential rectangular channel, the outer end of tangential rectangular channel and the outer circle of rotor core 6 Between connect, each tangential rectangular channel inner edge midpoint and the line at 6 center of rotor core are equal, in each radial direction rectangular channel Inner end be equipped with through 6 thickness of rotor core every magnetic air gap 8, it is adjacent not connected every magnetic air gap 8, by the first rectangle permanent-magnet steel 7 according to adjacent the first rectangle of two panels permanent-magnet steel 7 N poles and N be extremely opposite, S poles are sequentially arranged at radial direction with mode extremely opposite S In rectangular channel, then the pole that the second rectangle permanent-magnet steel 5 is formed by the polarity of lateral surface the first rectangle permanent-magnet steel 7 adjacent with two panels The identical mode of property is sequentially fixed at by screw in tangential rectangular channel by pole shoe, and rotor core 6 is fitted on axis 2.

Claims (1)

1. a kind of permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor, by drive end bearing bracket（9）, rear end cap（1）, casing（3）, mixing encourage Magnet rotor, stator（4）Composition, it is characterised in that：Rotor with hybrid excitation is turned by the Lundell electrical excitation for carrying carbon brush slip-ring structure Son and combination type permanent-magnet rotor composition；
Combination type permanent-magnet rotor is by axis（2）, the first rectangle permanent-magnet steel（7）, rotor core（6）, the second rectangle permanent-magnet steel（5）, every Magnetic air gap（8）Composition, rotor core（6）On be evenly equipped with even number through rotor core（6）The radial direction rectangular channel of thickness, radial direction square The outer end of shape slot and rotor core（6）Outer circle between do not connect, among the outer end of two neighboring radial direction rectangular channel be equipped with pass through Wear rotor core（6）The tangential rectangular channel of thickness, radial direction rectangular channel are not connected with tangential rectangular channel, the outer end of tangential rectangular channel with Rotor core（6）Outer circle between connect, each tangential rectangular channel inner edge midpoint and rotor core（6）The line at center is homogeneous Deng in the inner end of each radial direction rectangular channel equipped with through rotor core（6）Thickness every magnetic air gap（8）, it is adjacent every magnetic air gap （8）It does not connect, by the first rectangle permanent-magnet steel（7）According to adjacent two panels the first rectangle permanent-magnet steel（7）N poles and N be extremely opposite, S Pole and mode extremely opposite S are sequentially arranged in radial direction rectangular channel, then by the second rectangle permanent-magnet steel（5）By lateral surface polarity with The first adjacent rectangle permanent-magnet steel of two panels（7）The mode that the polarity of formation is identical is sequentially fixed at tangential square by pole shoe by screw In shape slot, rotor core（6）It is fitted in axis（2）On.
CN201610306606.7A 2016-05-11 2016-05-11 Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor Active CN105958775B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610306606.7A CN105958775B (en) 2016-05-11 2016-05-11 Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610306606.7A CN105958775B (en) 2016-05-11 2016-05-11 Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor

Publications (2)

Publication Number Publication Date
CN105958775A CN105958775A (en) 2016-09-21
CN105958775B true CN105958775B (en) 2018-07-06

Family

ID=56914932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610306606.7A Active CN105958775B (en) 2016-05-11 2016-05-11 Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor

Country Status (1)

Country Link
CN (1) CN105958775B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105915009A (en) * 2016-05-13 2016-08-31 山东理工大学 Brushless electromagnetic and combined permanent magnet mixed excitation driving motor
CN109995164A (en) * 2019-04-23 2019-07-09 山东理工大学 Asymmetric magnetic pole type permanent magnetism for electric vehicle and pawl pole electrical excitation driving motor
CN110098679B (en) * 2019-05-29 2024-04-30 河南全新机电设备有限公司 Permanent magnet synchronous motor transformation structure
CN112821620A (en) * 2021-03-16 2021-05-18 山东理工大学 Combined magnetic pole permanent magnet driving motor
CN112821619B (en) * 2021-03-16 2024-06-11 山东理工大学 Combined permanent magnet and brushless electromagnetic hybrid excitation generator for automobile
CN112910200A (en) * 2021-03-16 2021-06-04 山东理工大学 Production method of permanent magnet rotor of combined permanent magnet and brushless electromagnetic hybrid excitation generator for automobile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102647067A (en) * 2012-04-21 2012-08-22 山东理工大学 Radial-tangential permanent magnet and electromagnetism mixed excitation generator
CN202488240U (en) * 2012-01-09 2012-10-10 美的威灵电机技术（上海）有限公司 Tangential rotor of rotary motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202488240U (en) * 2012-01-09 2012-10-10 美的威灵电机技术（上海）有限公司 Tangential rotor of rotary motor
CN102647067A (en) * 2012-04-21 2012-08-22 山东理工大学 Radial-tangential permanent magnet and electromagnetism mixed excitation generator

Also Published As

Publication number Publication date
CN105958775A (en) 2016-09-21

Similar Documents

Publication Publication Date Title
CN105958775B (en) Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor
CN105958779A (en) Built-in double-radial permanent magnet steel drive motor for electric automobiles
CN105958772A (en) Salient electromagnetic and embedded permanent magnet hybrid excitation drive motor for electric automobiles
CN105871151A (en) Salient pole electromagnetic and permanent magnet invisible magnetic pole hybrid excitation drive motor
CN105811704A (en) Composite permanent-magnet invisible magnetic pole and brushless electromagnetic hybrid excitation driving motor
CN105811711A (en) Claw pole electromagnetic and permanent magnet invisible magnetic pole hybrid type excitation driving motor
CN105914995A (en) Combined permanent magnetic and electromagnetic mixed excitation driving motor
CN107276269A (en) Electromagnetism used for electric vehicle and permanent magnetism mixing excitation motor
CN105958774B (en) Surface Mount radial direction and embedded tangential permanent magnet steel driving motor
CN105846569A (en) Electric automobile electromagnetic and built-in permanent magnet combined magnetic pole hybrid excitation driving motor
CN105811712A (en) Permanent magnet driving motor equipped with built-in radial and tangential combined type magnetic poles and used for electric automobile
CN105914986A (en) Brushless electromagnetic and composite permanent magnet magnetic pole mixed excitation driving motor
CN105978279A (en) Rare-earth permanent magnetic driving motor embedded with tangential and radial synthesis magnetic field
CN105915002A (en) Tangential and radial resultant magnetic field permanent magnet generator with vacuum pump
CN105790476A (en) Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile
CN105958782A (en) Radial-tangential permanent magnet and brushless electromagnetism hybrid excitation driving motor
CN105811714A (en) Salient pole electromagnetic and built-in combined type permanent magnet hybrid excitation type driving motor for electric automobile
CN105871152A (en) Claw-pole electromagnetic and built-in biradial permanent magnet driving motor for electric automobile
CN209358309U (en) Compound rectifier excitation driving motor
CN105827039A (en) Composite permanent magnet and brushless electromagnetic hybrid excitation driving motor
CN105811623A (en) Permanent magnet driving motor with built-in combined type radial and tangential magnetic fields
CN105811708A (en) Dual-radial permanent magnet and salient pole electromagnetic hybrid type excitation driving motor
CN106026589A (en) Electromagnetic and built-in combined bi-radial permanent-magnetic drive motor for electric automobiles
CN105914992A (en) Embedded double radial permanent magnetic and electromagnetic mixing excitation driving motor
CN105811619A (en) Electromagnetic hybrid type excitation driving motor with permanent magnet invisible magnetic poles and salient poles

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant