CN102975614A - Switch magnetic flux motor for directly driven electric vehicle - Google Patents
Switch magnetic flux motor for directly driven electric vehicle Download PDFInfo
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- CN102975614A CN102975614A CN2012105327561A CN201210532756A CN102975614A CN 102975614 A CN102975614 A CN 102975614A CN 2012105327561 A CN2012105327561 A CN 2012105327561A CN 201210532756 A CN201210532756 A CN 201210532756A CN 102975614 A CN102975614 A CN 102975614A
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Abstract
The invention provides a switch magnetic flux motor for a directly driven electric vehicle, and the motor comprises a switch magnetic flux motor, a rotary transformer, a main reducing gear, a differential mechanism, a semi-axis, an axle housing and driving wheels. The speed of the output power end of the switch magnetic flux motor is reduced by the main reducing gear, the differential operation among the driving wheels is realized through the differential mechanism and transmitted to the driving wheels by the semi-axis so as to realize the power transmission of the whole vehicle; the device is of an integral rotor structure without any coil winding or permanent magnet body and realizes the direct driving of the motor and a driving axle with the rotary transformer as the monitoring and feedback device of the output rotating speed of the motor and the phase of a rotor, with the driving gear shaft of the main reducing gear of the vehicle as a motor shaft, and with the main reducing gear shell of the vehicle as part of the outer shell of the motor. According to the device, the whole structure is compact, particularly a motor rotor has the advantages of simple structure, convenience in use and maintenance, good capability in resisting impact and vibration, low production cost, large output torque, high output rotating speed and the like, and the requirements on the running of the vehicle under various complicated working conditions are met.
Description
Technical field
The invention belongs to the AE field, be specifically related to a kind of switch magnetic flow motor for the direct-driving type electronlmobil.
Background technology
According to China's " new-energy automobile industrial development planning " draft, will reach the whole world the first to the industrialization of the year two thousand twenty new-energy automobile and market scale, new-energy automobile (plug-in hybrid-power automobile, pure electric automobile, hydrogen cell automobile etc.) recoverable amount reaches 5,000,000.Therefore, the development of electronlmobil has broad prospects.
At present, be used for the drive motor kind of pure electric automobile and more with the array configuration of the driving system of electronlmobil.But various motors and drive system of electric automobile ubiquity: the AC induction motor moment of starting is little, the defectives such as the brushless permanent magnet motor power density is little, volume is large, efficient is low, complex structure, cost is high, reliability is low, noise is large.In addition, the performance requriements of Motor for Electric Automobile has particularity, namely requires motor speed to change fast, the frequent height of variation in the vehicle traveling process, and the vibratory impulse that is subject to is large, and environment for use is abominable.Therefore, invent dynamic property and crossing ability requirement that a kind of switch magnetic flow motor for electric-machine directly-driven type electronlmobil satisfies electronlmobil, realize that micro-miniaturisation and the high reliability of electric automobile driving apparatus has important practical significance.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of switch magnetic flow motor for the direct-driving type electronlmobil, can realize electronlmobil high speed, high reliability operation.
In order to achieve the above object, the present invention takes following technical scheme:
A kind of switch magnetic flow motor for the direct-driving type electronlmobil comprises switch magnetic flow motor 4, magslip 5, main reduction gear, diff 9, semiaxis 7, axle housing 8 and drives wheel 6; The back end cover for motor 4-6 of switch magnetic flow motor 4 is connected with the sub-5-1 of set that revolves of the magslip 5 that is configured in its rear end, and the front end of switch magnetic flow motor 4 is connected with main reduction gear; The driving gear shaft 2 of main reduction gear is one with the axle of switch magnetic flow motor 4, and the gear of driving gear shaft 2 ends is meshed with driven gear 10, and driven gear 10 links to each other with the housing of diff 9; The axle side gear of diff 9 and semiaxis 7 link to each other by spline, semiaxis 7 with drive wheel 6 and link to each other; The outputting power of switch magnetic flow motor 4 is delivered to through main reduction gear, diff 9 and semiaxis 7 and drives wheel 6.
Described switch magnetic flow motor 4 comprises that a rotor 4-1 reaches a with it stator core 4-2 of phase configuration, does not arrange coil winding and permanent magnet on the rotor 4-1; 12 stator winding 4-4 of stator core 4-2 disposed inboard and 12 permanent magnet 4-7.
The stator core 4-2 of described switch magnetic flow motor 4 adopts the annular arrangement silicon steel plate stack of 0.35mm or 0.5mm, the outside of every silicon steel plate is circular, the inboard is divided into zig-zag by 12 large fan grooves and 12 little fan grooves, and 12 large fan grooves and 12 little fan groove intervals are arranged.
The rotor 4-1 of described switch magnetic flow motor 4 is the cylindrical structure of hollow, and there are 10 uniform cylindrical structures of fan-shaped outer double wedge in the rotor 4-1 outside.
Described magslip (5) is by revolving set (5-1), revolving to become rotor (5-2) and revolve type transformer coil (5-6) and form; Revolve set (5-1) coaxial arrangement and become rotor (5-2) outside revolving, revolve type transformer coil (5-6) and be wound on and revolve on set (5-1); Revolving change rotor 5-2 is the cylinder that there are five arc double wedges an outer ring; Revolving 20 of the inboard of the sub-5-1 of set radially is furnished with in the sector grooves and revolves type transformer coil 5-6; Revolve the sub-5-1 of set and be installed in the endoporus that revolves change shell 5-5, be fixed on the back end cover for motor 4-6 by cover plate 5-3 and screw 5-4.
The present invention adopts without the coil winding, without the unitary rotor structure of permanent magnet, with the monitoring feedback device of magslip as motor output speed and rotor phase, take the driving gear shaft of automobile main reducer as motor shaft, part take the automobile main reducer shell as motor housing realizes the direct driving of motor and drive axle.The compact overall structure of this motor, rotor structure is simple, and working service is convenient, and the shock resistance vibrations are strong, and productive costs is low, and output torque and output speed advantages of higher are suitable for automobile and move under various complex working conditions.
Description of drawings
Fig. 1 is general arrangement of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the M-M cross-sectional view of Fig. 2.
Fig. 4 is that the end face of stator core 4-2 cuts type figure.
Fig. 5 is that the end face of rotor 4-1 cuts type figure.
Fig. 6 is the N-N cross-sectional view of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
With reference to Fig. 1, a kind of switch magnetic flow motor for the direct-driving type electronlmobil comprises switch magnetic flow motor 4, magslip 5, main reduction gear, diff 9, semiaxis 7, axle housing 8 and drives wheel 6.Electric automobile drive axle adopts the rigid axle structure, and main reduction gear, diff 9 and semiaxis 7 are arranged in the axle housing 8, and axle housing 8 two ends connect two driving wheels 6.The power supply of car load is provided by storage battery, is input to switch magnetic flow motor 4 after the direct supply via controller conversion that storage battery provides.The output torque of switch magnetic flow motor 4 passes to diff 9 after main reduction gear slows down, diff 9 carries out outputting power to two semiaxis 7 after the differential according to the driving cycle of automobile, is sent to through semiaxis 7 and drives wheel 6.Adopt the rigid axle form at electronlmobil, for simplifying suspension frame structure, optimize arrangement, the dynamic property and the braking ability that improve automobile have outstanding advantage; The output torque of switch magnetic flow motor 4 can obviously improve the dynamic property of car load through after the main reduction gear conversion.Adopt the connection mode of diff 9 and semiaxis 7 can well realize automobile cornering driveability and crossing ability, reduce the particularity of automobile running working condition to the control requirement of switch flux electric machine 4.
Main reduction gear adopts single-stage skew bevel wheel or spiral bevel form, and wherein driving gear adopts the version of gear wheel shaft, and driving gear shaft 2 is made into one with the rotor 4-1 of switch magnetic flow motor 4.Front end cover and the final drive casing of switch magnetic flow motor 4 are made into one, one end of final drive casing is designed to the outward flange structure, become the motor front end cover of switch magnetic flow motor 4, reduced like this number of parts of motor and main reduction gear, and saved connection original paper between switch magnetic flow motor 4 and the main reduction gear, reduce whole scantling of structure, realized electric-machine directly-driven.
Such as Fig. 2 and Fig. 3, switch magnetic flow motor 4 is by a rotor 4-1, and stator core 4-2, motor casing 4-3,12 stator winding 4-4, six bolt and nut component 4-5, back end cover for motor 4-6,12 permanent magnet 4-7 and final drive casing 1 form.The Outboard Sections of final drive casing 1 is the front end cover of motor, and the middle motor bearings 3 that passes through is connected with driving gear shaft 2, and rotor 4-1 is captiveed joint with driving gear shaft 2,12 stator winding 4-4 of stator core 4-2 disposed inboard and 12 permanent magnet 4-7; 12 stator winding 4-4 and 12 permanent magnet 4-7 intervals are arranged.The outside of motor housing 4-3 is furnished with radiating fin, because the motor housing inwall directly contacts with the lateral surface of the stator core 4-2 of motor.During machine operation, the heat that stator winding produces is lost in the air by the radiating fin of conduction pattern on motor housing.The entrance hole of switch magnetic flow motor 4 is arranged in motor rear end and covers, be beneficial to so on the one hand easy for installationly, on the other hand, the entrance hole of motor is arranged in motor rear end and covers, on motor housing, do not need to process entrance hole and installation site, simplified the structure of motor housing.
The back end cover for motor 4-6 of switch magnetic flow motor adopts the transparent cover form, and magslip 5 is installed in the outside of back end cover for motor 4-6.This mounting means is convenient to magslip 5 and the coaxial installation of motor 4 realizations, does not need other union pieces such as coupler between the two, simplifies the annexation between magslip 5 and the motor 4.
Such as Fig. 4, stator core 4-2 is to be that the silicon steel plate stack of 0.35mm or 0.5mm forms by thickness, and there are 12 large radially fan grooves and 12 paths in the monolithic silicon steel sheet cross section that forms stator core 4-2 to the circle of fan groove for middle.The outside of stator core 4-2 is fixedly mounted on the inner hole wall of motor casing.The gap of maintenance 0.5 to 1mm forms the magnetic gap between rotor and the stator core between the inboard smallest circle arc top of the double wedge top circular arc in the outside of rotor 4-1 and stator core 4-2.12 permanent magnet 4-7 are arranged in 12 large fan-shaped radial slots of stator core 4-2, and pole orientation is axial along stator core 4-2's, and the axial magnetic field of two adjacent permanent magnets 4-7 is reverse.12 motor stator winding 4-4 intervals alternately are arranged in 12 little fan-shaped radial slots of stator core 4-2.
Such as Fig. 5, rotor 4-1 rotor 4-1 is the cylindrical structure of hollow, and there are 10 uniform cylindrical structures of fan-shaped outer double wedge in the rotor 4-1 outside.Can adopt the bar of 5,10, No. 15 Steel materials directly to process, the tooth in the outside directly forms with Milling Process.Process keyway in the endoporus, be connected with driving gear shaft 2 by key, do not arrange coil winding and permanent magnet on the rotor (4-1), this one-piece construction has been simplified structure and the course of processing of rotor, reduce the rotor inertia of rotor, coil and permanent magnet obscission also can not occur.
Such as Fig. 6, magslip 5 is by revolving the sub-5-1 of set, revolving and become rotor 5-2, revolve type transformer coil 5-6 and form; Revolve the sub-5-1 coaxial arrangement of set and become the rotor 5-2 outside revolving, revolve type transformer coil 5-6 and be wound on and revolve on the sub-5-1 of set; Speed and the position of magslip 5 during for detection of the switch magnetic flow electric machine rotation.Revolving change rotor 5-2 is the cylinder that there are 5 arc double wedges an outer ring; Revolve inboard evenly distributed 20 sector grooves radially of the sub-5-1 of set, be furnished with in the groove and revolve type transformer coil 5-6; Revolve the sub-5-1 of set and be installed in the endoporus that revolves change shell 5-5, be connected to motor rear end by cover plate 5-3 and screw 5-4 and cover.Revolve change rotor 5-2 and be connected on the driving gear shaft 2, circumferentially fixing by key and driving gear shaft 2, by shaft end pressure plate and bolt and driving gear shaft 2 axial restraints.Driven rotary voltage transformer 5 moves together when the switch magnetic flow machine operation like this, realizes the rotating speed of switch magnetic flow motor 4 and the detection of motor rotor position.
Claims (5)
1. a switch magnetic flow motor that is used for the direct-driving type electronlmobil is characterized in that: comprise switch magnetic flow motor (4), magslip (5), main reduction gear, diff (9), semiaxis (7), axle housing (8) and drive wheel (6); The back end cover for motor (4-6) of switch magnetic flow motor (4) is connected with set (5-1) that revolves of the magslip that is configured in its rear end (5), and the front end of switch magnetic flow motor (4) is connected with main reduction gear; The driving gear shaft of main reduction gear (2) is one with the axle of switch magnetic flow motor (4), and the gear of driving gear shaft (2) end is meshed with driven gear (10), and driven gear (10) links to each other with the housing of diff (9); The axle side gear of diff (9) links to each other by spline with semiaxis (7), and semiaxis (7) links to each other with driving wheel (6); The outputting power of switch magnetic flow motor (4) is delivered to through main reduction gear, diff (9) and semiaxis (7) and drives wheel (6).
2. a kind of switch magnetic flow motor for the direct-driving type electronlmobil as claimed in claim 1, it is characterized in that: described switch magnetic flow motor (4) comprises that a rotor (4-1) reaches a with it stator core (4-2) of phase configuration, does not arrange coil winding and permanent magnet on the rotor (4-1); Stator core (4-2) 12 stator winding of disposed inboard (4-4) and 12 permanent magnets (4-7).
3. a kind of switch magnetic flow motor for the direct-driving type electronlmobil as claimed in claim 1, it is characterized in that: the stator core (4-2) of described switch magnetic flow motor (4) adopts the annular arrangement silicon steel plate stack of 0.35mm or 0.5mm, the outside of every silicon steel plate is circular, the inboard is divided into zig-zag by 12 large fan grooves and 12 little fan grooves, and 12 large fan grooves and 12 little fan groove intervals are arranged.
4. a kind of switch magnetic flow motor for the direct-driving type electronlmobil as claimed in claim 1, it is characterized in that: the rotor (4-1) of described switch magnetic flow motor (4) is the cylindrical structure of hollow, and there are 10 uniform cylindrical structures of fan-shaped outer double wedge in rotor (4-1) outside.
5. a kind of switch magnetic flow motor for the direct-driving type electronlmobil as claimed in claim 1 is characterized in that: described magslip (5) is by revolving set (5-1), revolving to become rotor (5-2) and revolve type transformer coil (5-6) and form; Revolve set (5-1) coaxial arrangement and become rotor (5-2) outside revolving, revolve type transformer coil (5-6) and be wound on and revolve on set (5-1); Revolving change rotor (5-2) is the cylinder that there are 5 arc double wedges an outer ring, does not have coil winding; Revolving 20 of the inboard of set (5-1) radially is furnished with in the sector grooves and revolves type transformer coil (5-6); Revolve set (5-1) and be installed in the endoporus that revolves change shell (5-5), be fixed on the back end cover for motor (4-6) by cover plate (5-3) and screw (5-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210532756.1A CN102975614B (en) | 2012-12-11 | 2012-12-11 | A kind of switch magnetic flow motor for direct-driving type electronlmobil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210532756.1A CN102975614B (en) | 2012-12-11 | 2012-12-11 | A kind of switch magnetic flow motor for direct-driving type electronlmobil |
Publications (2)
| Publication Number | Publication Date |
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| CN102975614A true CN102975614A (en) | 2013-03-20 |
| CN102975614B CN102975614B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210532756.1A Expired - Fee Related CN102975614B (en) | 2012-12-11 | 2012-12-11 | A kind of switch magnetic flow motor for direct-driving type electronlmobil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398332A (en) * | 2015-12-10 | 2016-03-16 | 浙江环电新能源汽车零部件有限公司 | Electric vehicle modular power integrated system |
| CN108365723A (en) * | 2018-05-03 | 2018-08-03 | 包头天工电机有限公司 | Disc type permanent magnet synchronous electric motor |
| JP2019122226A (en) * | 2017-12-28 | 2019-07-22 | 株式会社デンソー | Wheel driving device |
| CN110562025A (en) * | 2018-06-05 | 2019-12-13 | 陕西汽车集团有限责任公司 | Speed reducer assembly and vehicle with same |
| CN111114262A (en) * | 2018-10-30 | 2020-05-08 | 舍弗勒技术股份两合公司 | Electric bridge driving system and vehicle |
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| CN1825506A (en) * | 2006-03-31 | 2006-08-30 | 哈尔滨工业大学 | Magnetoresistance brushless multi-polar rotation transformer |
| CN101079557A (en) * | 2007-05-22 | 2007-11-28 | 东南大学 | Coil mutual-supplementary magnetic pass switching biconvex permanent magnetic motor |
| CN201125371Y (en) * | 2007-08-24 | 2008-10-01 | 洪建华 | Three wheels multifunctional dynamoelectric cleaning car |
| JP2010145299A (en) * | 2008-12-19 | 2010-07-01 | Toyota Motor Corp | Rotational angle detector |
| CN202067658U (en) * | 2011-04-02 | 2011-12-07 | 大洋电机新动力科技有限公司 | Rotary transformer |
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2012
- 2012-12-11 CN CN201210532756.1A patent/CN102975614B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825506A (en) * | 2006-03-31 | 2006-08-30 | 哈尔滨工业大学 | Magnetoresistance brushless multi-polar rotation transformer |
| CN101079557A (en) * | 2007-05-22 | 2007-11-28 | 东南大学 | Coil mutual-supplementary magnetic pass switching biconvex permanent magnetic motor |
| CN201125371Y (en) * | 2007-08-24 | 2008-10-01 | 洪建华 | Three wheels multifunctional dynamoelectric cleaning car |
| JP2010145299A (en) * | 2008-12-19 | 2010-07-01 | Toyota Motor Corp | Rotational angle detector |
| CN202067658U (en) * | 2011-04-02 | 2011-12-07 | 大洋电机新动力科技有限公司 | Rotary transformer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398332A (en) * | 2015-12-10 | 2016-03-16 | 浙江环电新能源汽车零部件有限公司 | Electric vehicle modular power integrated system |
| JP2019122226A (en) * | 2017-12-28 | 2019-07-22 | 株式会社デンソー | Wheel driving device |
| JP7052626B2 (en) | 2017-12-28 | 2022-04-12 | 株式会社デンソー | Wheel drive |
| CN108365723A (en) * | 2018-05-03 | 2018-08-03 | 包头天工电机有限公司 | Disc type permanent magnet synchronous electric motor |
| CN110562025A (en) * | 2018-06-05 | 2019-12-13 | 陕西汽车集团有限责任公司 | Speed reducer assembly and vehicle with same |
| CN111114262A (en) * | 2018-10-30 | 2020-05-08 | 舍弗勒技术股份两合公司 | Electric bridge driving system and vehicle |
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| Publication number | Publication date |
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| CN102975614B (en) | 2015-10-21 |
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