CN105743247A - Electric automobile combined-type permanent magnet pole wheel hub driving motor - Google Patents

Electric automobile combined-type permanent magnet pole wheel hub driving motor Download PDF

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Publication number
CN105743247A
CN105743247A CN201610311833.9A CN201610311833A CN105743247A CN 105743247 A CN105743247 A CN 105743247A CN 201610311833 A CN201610311833 A CN 201610311833A CN 105743247 A CN105743247 A CN 105743247A
Authority
CN
China
Prior art keywords
rotor
rectangular channel
rotor core
magnet steel
permanent
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.)
Pending
Application number
CN201610311833.9A
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Chinese (zh)
Inventor
张学义
马清芝
杨坤
李波
马超
Original Assignee
张学义
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 张学义 filed Critical 张学义
Priority to CN201610311833.9A priority Critical patent/CN105743247A/en
Publication of CN105743247A publication Critical patent/CN105743247A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02K1/26Rotor cores with slots for windings
    • 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
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner 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
    • H02K1/276Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices

Abstract

The invention provides an electric automobile combined-type permanent magnet pole wheel hub driving motor and belongs to the technical field of electric automobile motor devices. The electric automobile combined-type permanent magnet pole wheel hub driving motor is composed of a front end cover, a rear end cover, a hub-type housing, a rotor, a stator, a stator support and a shaft. The rotor of the wheel hub driving motor is an embedded permanent magnet rotor with a tangential and combined-type radial magnetic field, the magnetic field intensity is high, the power density is high, the structure is a rotor magnetic bypass structure, so that permanent magnet steel is effectively prevented against irreversible demagnetization under the effect of an armature reaction of an impact current, and the permanent magnet steel is prevented against excitation loss; in addition, electric exciting windings are not needed, less electric energy is consumed, no carbon brush and mechanical commutator are arranged, the failure rate is low, the structure is compact, and the working is reliable.

Description

Electric automobile combination type permanent-magnet pole hub driven motor
Technical field
The present invention provides a kind of electric automobile combination type permanent-magnet pole hub driven motor, belongs to motor in electric automobile technical field of electric appliances.
Background technology
Current and the matching used drive motor of electric automobile mostly adopts the direct current generator with carbon brush and mechanical commutator, although DC motor structure is simple, controllability is high, speed-regulating range width, control circuit is relatively easy, less costly, but owing to the magnetic field of direct current generator is produced by electricity Exciting Windings for Transverse Differential Protection, power consumption is many, output is little, additionally, due to there is carbon brush and mechanical commutator, not only limit the raising of direct current generator overload capacity and speed, if long-play, certainly will be required frequent maintenance and replacement carbon brush and diverter, therefore direct current generator energy consumption is big, fault rate is high, its serviceability needs further improvement.
Summary of the invention
It is an object of the invention to provide one and can overcome drawbacks described above, the magnetic field of hub driven motor is provided by permanent-magnet steel, few without electricity Exciting Windings for Transverse Differential Protection, power consumption, it does not have the electric automobile combination type permanent-magnet pole hub driven motor of carbon brush and mechanical commutator, failure rate is low, its technology contents is:
Electric automobile combination type permanent-magnet pole hub driven motor is made up of drive end bearing bracket, rear end cap, hub-type casing, rotor, stator, stator support, axle, it is characterised in that: hub driven motor rotor is tangential and modular radial magnetic field built-in permanent magnet rotor;
nullBuilt-in permanent magnet rotor is by rotor core、Hub-type casing、First rectangle permanent-magnet steel、Second rectangle permanent-magnet steel、Fan annular forms every magnetic air gap,Rotor core is evenly equipped with even number and runs through the first rectangular channel of rotor core thickness,First rectangular channel is radial structure,Do not connect between the inner and the inner circle of rotor core of the first rectangular channel,Inner middle at adjacent two first rectangular channels is provided with through rotor core thickness and the positive "eight" shape groove formed by two the second rectangular channels,First rectangular channel and the second rectangular channel do not connect,Do not connect between the inner and the inner circle of rotor core of the second rectangular channel,The outer end of two the second rectangular channels forming positive "eight" shape does not connect,The fan annular of rotor core thickness it is provided with through every magnetic air gap in the outer end of each first rectangular channel,Fan annular connects every the outer end of the inner of magnetic air gap with the first rectangular channel,Fan annular does not connect between the outer end and the cylindrical of rotor core of magnetic air gap,Adjacent fan annular does not connect every magnetic air gap,First rectangle permanent-magnet steel is extremely relative with N according to the N pole of adjacent two panels the first rectangle permanent-magnet steel、The S pole mode extremely relative with S is sequentially arranged in the first rectangular channel,Again the identical mode of polarity that the second rectangle permanent-magnet steel is formed by the first rectangle permanent-magnet steel that the polarity of the second rectangle permanent-magnet steel medial surface is adjacent with two panels is sequentially arranged in the second rectangular channel,Rotor core is fixed in the inner circle of hub-type casing.
Operation principle: when permanent magnetism hub driven motor passes into by three-phase inverter after the three-phase alternating current of pulsewidth modulation, hub driven motor armature winding produces a space rotating magnetic field, it is magnetic field interaction produced by with rotor permanent magnet steel, rotor produces the rotating torques consistent with armature winding rotating excitation field direction, make hub driven motor p-m rotor rotate, and then drive electric automobile to run.
The present invention is compared with prior art, rectangle permanent-magnet steel is embedded in the first rectangular channel and second rectangular channel of rotor core respectively, hub driven motor rotor field is provided jointly by tangential and modular radial resultant magnetic field, magnetic field intensity is big, power density is high, and few without electricity Exciting Windings for Transverse Differential Protection, power consumption, it does not have carbon brush and mechanical commutator, failure rate is low, there is the features such as efficiency height, compact conformation, reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the rotor profiles figure of embodiment illustrated in fig. 1.
In figure: 1, axle 2, drive end bearing bracket the 3, first rectangle permanent-magnet steel 4, rotor core 5, hub-type casing 6, stator 7, fan annular every magnetic air gap 8, rear end cap 9, stator support the 10, second rectangle permanent-magnet steel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Electric automobile combination type permanent-magnet pole hub driven motor is made up of drive end bearing bracket 2, rear end cap 8, hub-type casing 5, rotor, stator 6, stator support 9, axle 1, it is characterised in that: hub driven motor rotor is tangential and modular radial magnetic field built-in permanent magnet rotor;
nullBuilt-in permanent magnet rotor is by rotor core 4、Hub-type casing 5、First rectangle permanent-magnet steel 3、Second rectangle permanent-magnet steel 10、Fan annular forms every magnetic air gap 7,Rotor core 4 is evenly equipped with even number and runs through the first rectangular channel of rotor core 4 thickness,First rectangular channel is radial structure,Do not connect between the inner of first rectangular channel and the inner circle of rotor core 4,Inner middle at adjacent two first rectangular channels is provided with through rotor core 4 thickness and the positive "eight" shape groove formed by two the second rectangular channels,First rectangular channel and the second rectangular channel do not connect,Do not connect between the inner and the inner circle of rotor core of the second rectangular channel,The outer end of two the second rectangular channels forming positive "eight" shape does not connect,The fan annular of rotor core 4 thickness it is provided with through every magnetic air gap 7 in the outer end of each first rectangular channel,Fan annular connects every the outer end of the inner of magnetic air gap 7 with the first rectangular channel,Fan annular does not connect between the outer end of magnetic air gap 7 with the cylindrical of rotor core 4,Adjacent fan annular does not connect every magnetic air gap 7,First rectangle permanent-magnet steel 3 is extremely relative with N according to the N pole of adjacent two panels the first rectangle permanent-magnet steel 3、The S pole mode extremely relative with S is sequentially arranged in the first rectangular channel,The mode that the polarity that formed by the first rectangle permanent-magnet steel 3 that the polarity of the second rectangle permanent-magnet steel 10 medial surface is adjacent with two panels by second rectangle permanent-magnet steel 10 again is identical is sequentially arranged in the second rectangular channel,Rotor core 4 is fixed in the inner circle of hub-type casing 5.

Claims (1)

1. an electric automobile combination type permanent-magnet pole hub driven motor, it is made up of drive end bearing bracket (2), rear end cap (8), hub-type casing (5), rotor, stator (6), stator support (9), axle (1), it is characterised in that: hub driven motor rotor is tangential and modular radial magnetic field built-in permanent magnet rotor;
nullBuilt-in permanent magnet rotor is by rotor core (4)、Hub-type casing (5)、First rectangle permanent-magnet steel (3)、Second rectangle permanent-magnet steel (10)、Fan annular forms every magnetic air gap (7),Rotor core (4) is evenly equipped with even number and runs through the first rectangular channel of rotor core (4) thickness,First rectangular channel is radial structure,Do not connect between the inner of first rectangular channel and the inner circle of rotor core (4),Inner middle at adjacent two first rectangular channels is provided with through rotor core (4) thickness and the positive "eight" shape groove formed by two the second rectangular channels,First rectangular channel and the second rectangular channel do not connect,Do not connect between the inner and the inner circle of rotor core of the second rectangular channel,The outer end of two the second rectangular channels forming positive "eight" shape does not connect,The fan annular of rotor core (4) thickness it is provided with through every magnetic air gap (7) in the outer end of each first rectangular channel,Fan annular connects with the outer end of the first rectangular channel every the inner of magnetic air gap (7),Fan annular does not connect between the outer end and the cylindrical of rotor core (4) of magnetic air gap (7),Adjacent fan annular does not connect every magnetic air gap (7),First rectangle permanent-magnet steel (3) is extremely relative with N according to the N pole of adjacent two panels the first rectangle permanent-magnet steel (3)、The S pole mode extremely relative with S is sequentially arranged in the first rectangular channel,The mode that the polarity that formed by the first rectangle permanent-magnet steel (3) that the polarity of the second rectangle permanent-magnet steel (10) medial surface is adjacent with two panels by second rectangle permanent-magnet steel (10) again is identical is sequentially arranged in the second rectangular channel,Rotor core (4) is fixed in the inner circle of hub-type casing (5).
CN201610311833.9A 2016-05-12 2016-05-12 Electric automobile combined-type permanent magnet pole wheel hub driving motor Pending CN105743247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610311833.9A CN105743247A (en) 2016-05-12 2016-05-12 Electric automobile combined-type permanent magnet pole wheel hub driving motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610311833.9A CN105743247A (en) 2016-05-12 2016-05-12 Electric automobile combined-type permanent magnet pole wheel hub driving motor

Publications (1)

Publication Number Publication Date
CN105743247A true CN105743247A (en) 2016-07-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610311833.9A Pending CN105743247A (en) 2016-05-12 2016-05-12 Electric automobile combined-type permanent magnet pole wheel hub driving motor

Country Status (1)

Country Link
CN (1) CN105743247A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742877A (en) * 2019-01-18 2019-05-10 杭州琢源汽车科技有限公司 It is a kind of to generate the big hub generator of electric current

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136258A (en) * 1982-02-08 1983-08-13 Hitachi Ltd Permanent magnet rotor
JPH08256441A (en) * 1995-01-20 1996-10-01 Hitachi Metals Ltd Permanent magnet rotor
CN101295891A (en) * 2007-04-27 2008-10-29 阿斯莫有限公司 Embedded magnet type motor
US20090115280A1 (en) * 2007-02-13 2009-05-07 Asmo Co., Ltd. Embedded magnet type motor
CN103887948A (en) * 2014-04-10 2014-06-25 山东理工大学 Built-in permanent magnet steel hub driving motor of electric vehicle
CN103944336A (en) * 2014-04-10 2014-07-23 山东理工大学 Hub drive motor with radial and tangential permanent magnet steel embedded in rotor
CN104485762A (en) * 2014-11-18 2015-04-01 珠海格力节能环保制冷技术研究中心有限公司 Rotor of permanent magnet synchronous motor and permanent magnet synchronous motor provided with same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136258A (en) * 1982-02-08 1983-08-13 Hitachi Ltd Permanent magnet rotor
JPH08256441A (en) * 1995-01-20 1996-10-01 Hitachi Metals Ltd Permanent magnet rotor
US20090115280A1 (en) * 2007-02-13 2009-05-07 Asmo Co., Ltd. Embedded magnet type motor
CN101295891A (en) * 2007-04-27 2008-10-29 阿斯莫有限公司 Embedded magnet type motor
CN103887948A (en) * 2014-04-10 2014-06-25 山东理工大学 Built-in permanent magnet steel hub driving motor of electric vehicle
CN103944336A (en) * 2014-04-10 2014-07-23 山东理工大学 Hub drive motor with radial and tangential permanent magnet steel embedded in rotor
CN104485762A (en) * 2014-11-18 2015-04-01 珠海格力节能环保制冷技术研究中心有限公司 Rotor of permanent magnet synchronous motor and permanent magnet synchronous motor provided with same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742877A (en) * 2019-01-18 2019-05-10 杭州琢源汽车科技有限公司 It is a kind of to generate the big hub generator of electric current

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Application publication date: 20160706

RJ01 Rejection of invention patent application after publication