CN103904845A - Direct driving type motor suite and electromobile - Google Patents
Direct driving type motor suite and electromobile Download PDFInfo
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- CN103904845A CN103904845A CN201210587052.4A CN201210587052A CN103904845A CN 103904845 A CN103904845 A CN 103904845A CN 201210587052 A CN201210587052 A CN 201210587052A CN 103904845 A CN103904845 A CN 103904845A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a direct driving type motor suite and an electromobile. The direct driving type motor suite comprises a box body and two external rotor motors arranged in the box body. Motor shafts of the two external rotor motors are coaxial. A stator of each external rotor motor is fixed in the box body. Each stator transversely penetrates in the axial direction of the corresponding motor shaft. A rotor is arranged outside each stator in a sleeved mode and is fixed with the corresponding motor shaft. The motor shafts transversely penetrate through the stators and are matched with the stators in a rotating mode. According to the direct driving type motor suite, the two external rotor motors are initiatively combined into an integrated suite, so that the sizes of motors are reduced, the motors are made to be more compact in structure, consequently, a more exquisite and light electromobile can be designed, moreover, due to the motors are designed in a suite mode, the motors can be selected on the electromobile for utilization according requirements and are convenient to replace and maintain. Due to the fact that the external rotor motors directly drive driven wheels of the electromobile, energy consumption can be effectively reduced, and driving efficiency is improved.
Description
Technical field
The present invention relates to electric automobiles, especially about a kind of direct-drive motor that is applied to electric motor car.
Background technology
The electric motor car of selling on the market now or the drive system of hybrid electric vehicle, substantially be all with one or two original engines of motors replacement general-utility car, and coordinate decelerator or speed changer, by driving shaft, differential attachment, realize the transmission of power via constant velocity cardan joint (CVJ, Constant Velocity Joint).But, if motor coordinates power drive by decelerator or speed changer, differential attachment, just need to allow motor realize high speed rotating, so not only cause the loss of motor self, also can cause the loss in power transmission process, thereby reduce the course continuation mileage of automobile.
In addition, the motor of existing electric motor car is generally inner rotor motor, because the general rotating speed of inner rotor motor is higher, need to coordinate decelerator to use, thereby can take larger space, the volume of uncontrollable motor.
Therefore, be necessary to provide a kind of new electric vehicle motor.
Summary of the invention
The invention provides a kind of new direct-driving electric suite and electric motor car.
The invention provides a kind of direct-driving electric suite, comprise box body and be placed in two external rotor electric machines of described box body inside, the motor shaft coaxial line of two described external rotor electric machines.
The stator of each described external rotor electric machine is fixed on the inside of described box body, each described stator lateral direction penetrating on the axis direction of described motor shaft, described rotor is enclosed within the outside of described stator, described rotor and described motor shaft are fixed, and described motor shaft crosses described stator and coordinates with described stator rotation.
The mode that motor shaft coordinates with stator rotation comprises: motor shaft directly coordinates with stator rotation; Motor shaft and box body are rotatably assorted.
Because box body unit and stator are fixed, so the implementation that motor shaft is connected with box body unit rotational can comprise: motor shaft is directly connected with box body unit rotational, motor shaft is directly connected with stator rotation.
Described box body unit has relative first end and the second end on the axis direction of described motor shaft, and two described first ends are adjacent and fixing, and two described motor shafts stretch out respectively two described the second ends.
Described motor shaft and described box body unit are dynamically connected by bearing rotary.
Described motor shaft and described first and second end are all dynamically connected by described bearing rotary.
First end and the second end can all arrange end cap, and motor shaft is rotationally connected by bearing and two end caps.
A kind of electric motor car, comprises vehicle frame, driving wheel and described direct-driving electric suite, and described direct-driving electric suite is located at described vehicle frame, and two motor shafts of described direct-driving electric suite are direct-connected with corresponding described driving wheel respectively.
Each direct-driving electric suite drives the driving wheel of two coaxial lines, this direct-driving electric suite can be positioned at the middle part (being that direct-driving electric suite is symmetrical is arranged between two driving wheels) of two driving wheel lines, also can be partial to one of them driving wheel (be direct-driving electric suite left-right asymmetry be arranged between two driving wheels).
Described direct-driving electric suite has two, and described driving wheel comprises the pair of rear wheels that is positioned at anterior a pair of front-wheel and is positioned at rear portion, two described direct-driving electric suites directly drive respectively this to front-wheel with this to trailing wheel.
Actuating force, the model of the direct-driving electric suite of driving front-wheel and trailing wheel can be different.
Described direct-driving electric suite has one, and described driving wheel comprises the pair of rear wheels that is positioned at anterior a pair of front-wheel and is positioned at rear portion, described direct-driving electric suite directly drive this to front-wheel maybe this to trailing wheel.
The invention has the beneficial effects as follows: applicant is creationary is combined into an overall external member by two external rotor electric machines, not only can reduce the volume of motor, make the structure of motor compacter, and then be convenient to design smaller and more exquisite and light-weighted electric motor car, and due to external member, also be convenient to select as requested in electric motor car, be convenient to change and safeguard; Because external rotor electric machine directly drives the driving wheel of electric motor car, can effectively reduce energy loss, improve drive efficiency.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of present embodiment direct-driving electric suite;
Fig. 2 is the structural representation of the electric motor car of application present embodiment direct-driving electric suite.
Fig. 3 is the another kind of structural representation of the electric motor car of application present embodiment direct-driving electric suite.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
As shown in Figures 1 and 2, in one embodiment, direct-driving electric suite 1 comprises box body 8 and is placed in two external rotor electric machines 9 of these box body 8 inside.Each external rotor electric machine 9 includes stator 3, motor shaft 5 and rotor 4, this stator 3 is fixing, this motor shaft 5 is rotatably assorted with this stator 3, and this rotor 4 is enclosed within the outside of this stator 3 fixing with motor shaft 5, two motor shaft 5 coaxial lines direct-connected with two driving wheels 72 of electric motor car respectively.Two motor shafts 5 all cross this box body 8 on its axis direction, and stretch out from the both sides of box body 8 respectively, and this extension can be direct-connected with driving wheel 72.
When energising, rotor 4 synchronously rotates with motor shaft 5, and the driving wheel 72 of motor shaft 5 driving electric cars rotates.
As shown in Figures 1 and 2, in one embodiment, direct-driving electric suite 1 comprises box body 8 and is placed in two external rotor electric machines 9 in this box body 8.Box body 8 can comprise two box body unit 2 that are integrally connected by securing member, and each box body unit 2 all has inner space 21.External rotor electric machine 9 comprises stator 3, rotor 4 and motor shaft 5, stator 3 is fixed at the inner space 21 of box body unit 2, stator 3 is lateral direction penetrating on the axis direction of motor shaft 5, rotor 4 is located at the inner space 21 of box body unit and is positioned at the outside of stator 3, motor shaft 5 crosses stator 3, and motor shaft 5 is fixed and is rotationally connected with box body unit 2 with rotor 4.The motor shaft 5 of two motors can coaxial line.While switching on to stator 3, rotor 4 synchronously rotates with motor shaft 5.
Further, box body unit 2 has relative first end 22 and the second end 23 on the axis direction of motor shaft, the first end 22 of two box body unit is adjacent and be fixedly connected with, and make two external rotor electric machines 9 form overall external member, the second end 23 of two box body unit 2 away from, two motor shafts 5 cross out respectively the second end 23 of two box body unit.
Further, box body unit 2 can comprise housing 24, be located at the first end cap 25 of first end and be located at the second end cap 26 of the second end, this first end cap 25 and the second end cap 26 are all fixing with housing 24, between this first end cap 25, the second end cap 26 and housing 24, form inner space 21.The first end cap 25 and the second end cap 26 all can arrange bearing 6, and motor shaft 5 is arranged on the first end cap 25 and the second end cap 26 by this bearing 6, thereby this motor shaft 5 is rotationally connected with box body unit 2.
As shown in Figures 1 and 2, direct-driving electric suite 1 can be applied in electric motor car, and this electric motor car comprises automobile and the hybrid vehicle of simple use electric power.Electric motor car comprises vehicle frame 71, driving wheel 72 and direct-driving electric suite 1, and direct-driving electric suite 1 is arranged on vehicle frame 71, and two motor shaft 5 is direct-connected with two driving wheels 72 respectively.For the electric motor car of two-wheel drive formula, a direct-driving electric suite can be only set.For four-wheel driving type electric motor car, two direct-driving electric suites can be set.
As shown in Figure 3, for four-wheel driving type electric motor car, can only at front-wheel, a direct-driving electric suite be set; Certainly, also can only at trailing wheel, a direct-driving electric suite be set.
For electric motor car, due to motor shaft 5 and driving wheel 72 direct-connected, so motor shaft 5 and driving wheel 72 can constant speed be synchronized with the movement.Direct-connected concrete mode, as connected by constant velocity cardan joint.
Direct-driving electric suite adopts external rotor electric machine, in the situation that guaranteeing output torque, can effectively reduce the rotating speed of motor, thereby not need existing decelerator is set, and has reduced the volume of motor, effectively reduces the weight of motor; Again, the motor shaft of direct-driving electric suite directly drives the driving wheel of electric motor car, reduce the energy loss in energy loss and the power transmission of motor self, improve drive efficiency, the mileage that cruises that has effectively extended electric motor car, is equivalent to same distance, uses motor external member of the present invention, the battery of required loading can obtain a certain amount of minimizing, can reduce costs and reduce car body weight.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace.
Claims (8)
1. a direct-driving electric suite, is characterized in that, comprises box body and is placed in two external rotor electric machines of described box body inside, the motor shaft coaxial line of two described external rotor electric machines.
2. direct-driving electric suite as claimed in claim 1, it is characterized in that, the stator of each described external rotor electric machine is fixed on the inside of described box body, each described stator lateral direction penetrating on the axis direction of described motor shaft, described rotor is enclosed within the outside of described stator, described rotor and described motor shaft are fixed, and described motor shaft crosses described stator and coordinates with described stator rotation.
3. direct-driving electric suite as claimed in claim 2, it is characterized in that, described box body comprises two box body unit that are fixedly connected with, two described external rotor electric machines are placed in respectively the inside of two described box body unit, each described box body unit has relative first end and the second end on the axis direction of described motor shaft, two described first ends are adjacent and fixing, and two described motor shafts stretch out respectively two described the second ends.
4. direct-driving electric suite as claimed in claim 3, is characterized in that, described motor shaft and described box body unit are dynamically connected by bearing rotary.
5. direct-driving electric suite as claimed in claim 4, is characterized in that, described motor shaft and described first and second end are all dynamically connected by described bearing rotary.
6. an electric motor car, comprise vehicle frame and driving wheel, it is characterized in that, also comprise the direct-driving electric suite described in any one in claim 1-5, described direct-driving electric suite is located at described vehicle frame, and two motor shafts of described direct-driving electric suite are direct-connected with corresponding described driving wheel respectively.
7. electric motor car as claimed in claim 6, it is characterized in that, described direct-driving electric suite has two, and described driving wheel comprises the pair of rear wheels that is positioned at anterior a pair of front-wheel and is positioned at rear portion, two described direct-driving electric suites directly drive respectively this to front-wheel with this to trailing wheel.
8. electric motor car as claimed in claim 6, it is characterized in that, described direct-driving electric suite has one, and described driving wheel comprises the pair of rear wheels that is positioned at anterior a pair of front-wheel and is positioned at rear portion, described direct-driving electric suite directly drive this to front-wheel maybe this to trailing wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587052.4A CN103904845A (en) | 2012-12-28 | 2012-12-28 | Direct driving type motor suite and electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587052.4A CN103904845A (en) | 2012-12-28 | 2012-12-28 | Direct driving type motor suite and electromobile |
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| Publication Number | Publication Date |
|---|---|
| CN103904845A true CN103904845A (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210587052.4A Pending CN103904845A (en) | 2012-12-28 | 2012-12-28 | Direct driving type motor suite and electromobile |
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| CN (1) | CN103904845A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017033815A (en) * | 2015-08-04 | 2017-02-09 | 日特エンジニアリング株式会社 | Wire twisting device and manufacturing method of twisted wire |
| CN108081938A (en) * | 2016-11-21 | 2018-05-29 | 奥迪股份公司 | The dynamical system of the electricity of friction optimization |
| CN108116219A (en) * | 2017-11-17 | 2018-06-05 | 深圳先进技术研究院 | A kind of electric power device |
| CN109278551A (en) * | 2018-12-04 | 2019-01-29 | 山东奥德斯工业股份有限公司 | A kind of pure full-time synchronous four-driving-force mechanism of electricity |
| CN110029438A (en) * | 2019-03-29 | 2019-07-19 | 杭州之山智控技术有限公司 | Novel flat knitting traction device |
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| CN2331119Y (en) * | 1997-08-19 | 1999-07-28 | 廖菊生 | Electric power wheel |
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| CN201597468U (en) * | 2010-01-25 | 2010-10-06 | 王汝崎 | Rear axle assembly of electromobile |
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| CN102596617A (en) * | 2009-10-20 | 2012-07-18 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Electric machine for an electric axle of a motor vehicle |
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Patent Citations (9)
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| CN2331119Y (en) * | 1997-08-19 | 1999-07-28 | 廖菊生 | Electric power wheel |
| CN1392069A (en) * | 2002-08-16 | 2003-01-22 | 于耀庆 | Structure mode of electro-mobile power and driving device |
| CN2764646Y (en) * | 2004-12-24 | 2006-03-15 | 王明祥 | Combined driving and braking axle for electric vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017033815A (en) * | 2015-08-04 | 2017-02-09 | 日特エンジニアリング株式会社 | Wire twisting device and manufacturing method of twisted wire |
| CN107735192A (en) * | 2015-08-04 | 2018-02-23 | 日特机械工程株式会社 | The manufacture method of wire rod twisting device and twisted wire |
| CN108081938A (en) * | 2016-11-21 | 2018-05-29 | 奥迪股份公司 | The dynamical system of the electricity of friction optimization |
| CN108081938B (en) * | 2016-11-21 | 2020-10-09 | 奥迪股份公司 | Friction-optimized electric drive system |
| CN108116219A (en) * | 2017-11-17 | 2018-06-05 | 深圳先进技术研究院 | A kind of electric power device |
| CN109278551A (en) * | 2018-12-04 | 2019-01-29 | 山东奥德斯工业股份有限公司 | A kind of pure full-time synchronous four-driving-force mechanism of electricity |
| CN110029438A (en) * | 2019-03-29 | 2019-07-19 | 杭州之山智控技术有限公司 | Novel flat knitting traction device |
| CN110029438B (en) * | 2019-03-29 | 2024-05-03 | 杭州之山智控技术有限公司 | Novel flat knitting machine fabric traction device |
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Application publication date: 20140702 |
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| RJ01 | Rejection of invention patent application after publication |