CN104354585A - Electric automobile rear driving device based on three-phase doubly salient external rotor permanent magnet motor - Google Patents
Electric automobile rear driving device based on three-phase doubly salient external rotor permanent magnet motor Download PDFInfo
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- CN104354585A CN104354585A CN201410638621.2A CN201410638621A CN104354585A CN 104354585 A CN104354585 A CN 104354585A CN 201410638621 A CN201410638621 A CN 201410638621A CN 104354585 A CN104354585 A CN 104354585A
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
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Abstract
The invention discloses an electric automobile rear driving device based on a three-phase doubly salient external rotor permanent magnet motor. The electric automobile rear driving device comprises the three-phase doubly salient external rotor permanent magnet motor composed of a center stator shaft and an external rotor; the front end face of the external rotor is fixedly connected with the hub of an automobile by use of a flange; a brake disc is mounted on the external rotor; a brake mechanism is mounted in the middle of the stator shaft; the rear end of the stator shaft is fixedly mounted on a rear overhang which is connected to the lower end of an axle connector; the upper end of the axle connector is connected with the side beam of the automobile. The electric automobile rear driving device based on the three-phase doubly salient external rotor permanent magnet motor has the beneficial effects that direct speed control on the motor is realized and the motor speed control accuracy is improved, the overall weight of the automobile is reduced so that the manufacturing cost and the post-maintenance cost of the automobile can be reduced, the design difficulty of the overall electric system is reduced and the design cost and the material cost of the electric automobile are saved; besides, the electric automobile rear driving device is reasonable in structural design, low in manufacturing cost and process cost, and favorable for improving the overall properties of the electric automobile.
Description
Technical field
The present invention relates to a kind of electronlmobil rear drive equipment, specifically a kind of electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor, belongs to new-energy automobile manufacturing technology field.
Background technology
In the driving pattern of new-energy automobile, most of producer substantially continues to use intrinsic automotive technology platform and carries out repacking design, adopts electrical motor or synchronous dynamo to realize centralized driving at automobile front axle by transmission shifting mechanism.This drive form is failed to give full play to motor and is driven due various technical advantage, has breakthrough raising to cause cost performance difficulty.Vehicle performance shows and adds automobile unsprung weight, cause automobile stability to reduce, vibrate and strengthen; In order to obtain moving velocity and mileages of continuation requirement expanded motor power and increase capacity of cell, energy consumption index and power cost is caused to increase; Mechanical drive speed change mechanism is complicated, and low, that hill climbing ability is poor and Turning radius is large, battery management is difficult etc. the relates to vehicle safety performance aspect index of moment booster response ability falls behind.
Summary of the invention
The technical matters that the present invention solves is to provide that a kind of structure is simple, powerful, reliable and electronlmobil operating efficiency can be improved, reduce the electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor of whole pure electric vehicle manufacturing cost.
In order to solve the problems of the technologies described above, electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor of the present invention, comprise the three phase external rotor double salient pole permanent magnet motor be made up of central stator axle and outer rotor, the front end face of outer rotor is fixedly connected with the wheel hub of vehicle by flange, described outer rotor installs brake disc, drag mechanism is installed in the middle part of stator axis, on stator axis rear end fixed installation rear suspension, rear suspension connects the lower end of an axle bridge adaptor union, and the upper end of axle bridge adaptor union is connected with the curb girder of automobile.
The above-mentioned electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor is arranged in pairs, two covers are arranged on automobile both sides respectively based on the electronlmobil rear drive equipment of three phase external rotor double salient pole permanent magnet motor, are connected between the electronlmobil rear drive equipment of two covers based on three phase external rotor double salient pole permanent magnet motor by vehicle bridge.
The present invention has following beneficial effect:
1, can direct output motor rotating speed, realize the direct speeds control to motor, improve the control accuracy of motor speed, this feature is particularly useful for the instantaneous acceleration and deceleration of differential management when electronlmobil turns to and vehicle travel process;
2, do not need other mechanical transmission mechanism and mechanical differential gear box, alleviate complete vehicle weight, reduce Automobile manufacturing cost and later maintenance cost;
3, owing to have employed dynamical three phase external rotor double salient pole motor, do not need other inverter and frequency-converter device, can realize controlling the operation of motor by electric machine controller, thus reduce car load electric system design difficulty, saved design cost and the material cost of electronlmobil;
4, achieve flexible combination owing to have employed front extensible axle bridge adaptor union and vehicle body, for the effect that urgency is accelerated, sudden stop has shock-absorbing of car running process, improve the crashproof shock-absorbing safety performance of forward direction of car load;
5, its reasonable in design, manufacturing cost and process costs low, be conducive to improving the vehicle performance of electronlmobil, be convenient to realize large-scale industry manufacture and realize automatic continuous production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor of the present invention is described in further detail.
As shown in the figure, electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor of the present invention, comprise the three phase external rotor double salient pole permanent magnet motor be made up of central stator axle 1 and outer rotor 2, and with two automobile back wheels that three phase external rotor double salient pole permanent magnet motor is power, the front end face of outer rotor 2 is fixedly connected with the wheel hub 3 of vehicle by flange, make it thus with three phase external rotor double salient pole permanent magnet motor for power, outer rotor 2 is installed brake disc 4, drag mechanism 5 is installed, to improve the deceleration and stopping performance of car load in the middle part of stator axis 1; On stator axis 1 rear end fixed installation rear suspension 6, rear suspension 6 connects the lower end of an axle bridge adaptor union 7, and the upper end of axle bridge adaptor union 7 is connected with the curb girder of automobile, forms an entirety with vehicle body; Axle bridge adaptor union has shock-absorbing arms of protracting.
Electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor of the present invention can completely be arranged, that is two the three phase external rotor double salient pole permanent magnet motors being positioned at automobile both sides are provided with, the front end face of the outer rotor 2 of two three phase external rotor double salient pole permanent magnet motors is all fixedly connected with the wheel hub 3 of vehicle by flange, two outer rotors 2 install brake disc 4 respectively, drag mechanism 5 is separately installed with in the middle part of stator axis 1, stator axis 1 rear end is installed with on rear suspension 6 respectively, two rear suspensions 6 connect the lower end of an axle bridge adaptor union 7 respectively, the upper end of two axle bridge adaptor unions 7 is connected with the curb girder of automobile respectively, vehicle bridge is connected between two axle bridge adaptor unions 7, electric wheel hub is made to be connected with back axle by axle bridge adaptor union thus, form a complete automobile axle.
Known by above-mentioned structure, the present invention adopts three phase external rotor double salient pole permanent magnet motor as the power of automotive hub, this high-efficiency motor is directly installed in the wheel rim of automobile back wheel, the trailing wheel installing this motor is connected with vehicle bridge by axle bridge adaptor union, consists of a complete back axle drive with power-handling capability; It DC supply directly can control motor speed and realizes vehicles speed, as can be seen here, it does not have the diff of mechanical drive speed change mechanism and any mechanical type, can direct-driving motor speed governing by electric machine controller, and then realizes the direct control of running velocity.
Claims (2)
1. the electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor, comprise the three phase external rotor double salient pole permanent magnet motor be made up of central stator axle (1) and outer rotor (2), it is characterized in that: the front end face of outer rotor (2) is fixedly connected with the wheel hub (3) of vehicle by flange, described outer rotor (2) is installed brake disc (4), stator axis (1) middle part is provided with drag mechanism (5), on described stator axis (1) rear end fixed installation rear suspension (6), described rear suspension (6) connects the lower end of an axle bridge adaptor union (7), the upper end of axle bridge adaptor union (7) is connected with the curb girder of automobile.
2. according to the electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor according to claim 1, it is characterized in that: the above-mentioned electronlmobil rear drive equipment based on three phase external rotor double salient pole permanent magnet motor is arranged in pairs, two covers are arranged on automobile both sides respectively based on the electronlmobil rear drive equipment of three phase external rotor double salient pole permanent magnet motor, are connected between the electronlmobil rear drive equipment of two covers based on three phase external rotor double salient pole permanent magnet motor by vehicle bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638621.2A CN104354585B (en) | 2014-11-13 | 2014-11-13 | Electric automobile rear drive equipment based on three-phase double-salient-pole outer-rotor permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638621.2A CN104354585B (en) | 2014-11-13 | 2014-11-13 | Electric automobile rear drive equipment based on three-phase double-salient-pole outer-rotor permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354585A true CN104354585A (en) | 2015-02-18 |
| CN104354585B CN104354585B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410638621.2A Active CN104354585B (en) | 2014-11-13 | 2014-11-13 | Electric automobile rear drive equipment based on three-phase double-salient-pole outer-rotor permanent magnet motor |
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| CN (1) | CN104354585B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1110787A2 (en) * | 1999-12-20 | 2001-06-27 | Voith Turbo GmbH & Co. KG | Wheel drive device and axle assembly for use in a wheel drive |
| CN201484168U (en) * | 2009-08-21 | 2010-05-26 | 山东大学 | Integrative wheel assembly with independent driving, steering, hanging and braking |
| KR20120022167A (en) * | 2010-09-01 | 2012-03-12 | 현대모비스 주식회사 | In wheel driven system |
| CN102582416A (en) * | 2012-02-16 | 2012-07-18 | 吉林大学 | Full line control electric vehicle with variable kinetic characteristics |
| WO2013085232A1 (en) * | 2011-12-07 | 2013-06-13 | 주식회사 센트랄 | Transmission, and driving system and in-wheel drive system for vehicle comprising same |
| CN103490557A (en) * | 2013-09-28 | 2014-01-01 | 东宁司机乐汽配工贸有限公司 | Wheel hub externally-attached outer rotor motor for hybrid electric vehicle |
| CN203522484U (en) * | 2013-09-11 | 2014-04-02 | 众泰控股集团有限公司 | Permanent-magnet wheel hub motor structure |
| CN204323032U (en) * | 2014-11-13 | 2015-05-13 | 江苏浩元动力科技有限公司 | Based on the electronlmobil rear drive equipment of three phase external rotor double salient pole permanent magnet motor |
-
2014
- 2014-11-13 CN CN201410638621.2A patent/CN104354585B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1110787A2 (en) * | 1999-12-20 | 2001-06-27 | Voith Turbo GmbH & Co. KG | Wheel drive device and axle assembly for use in a wheel drive |
| CN201484168U (en) * | 2009-08-21 | 2010-05-26 | 山东大学 | Integrative wheel assembly with independent driving, steering, hanging and braking |
| KR20120022167A (en) * | 2010-09-01 | 2012-03-12 | 현대모비스 주식회사 | In wheel driven system |
| WO2013085232A1 (en) * | 2011-12-07 | 2013-06-13 | 주식회사 센트랄 | Transmission, and driving system and in-wheel drive system for vehicle comprising same |
| CN102582416A (en) * | 2012-02-16 | 2012-07-18 | 吉林大学 | Full line control electric vehicle with variable kinetic characteristics |
| CN203522484U (en) * | 2013-09-11 | 2014-04-02 | 众泰控股集团有限公司 | Permanent-magnet wheel hub motor structure |
| CN103490557A (en) * | 2013-09-28 | 2014-01-01 | 东宁司机乐汽配工贸有限公司 | Wheel hub externally-attached outer rotor motor for hybrid electric vehicle |
| CN204323032U (en) * | 2014-11-13 | 2015-05-13 | 江苏浩元动力科技有限公司 | Based on the electronlmobil rear drive equipment of three phase external rotor double salient pole permanent magnet motor |
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|---|---|
| CN104354585B (en) | 2017-10-10 |
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Effective date of registration: 20201201 Address after: 215400 room 407, building 1, No. 309, Zhenghe Middle Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Fuqi Internet Technology Co.,Ltd. Address before: 212000 Zhenjiang province Jiangsu city Zhenjiang district two road, four road south latitude Dingmao Patentee before: JIANGSU HAOYUAN POWER TECHNOLOGY Co.,Ltd. |