CN102457119B - Structure for motor of electric vehicle - Google Patents
Structure for motor of electric vehicle Download PDFInfo
- Publication number
- CN102457119B CN102457119B CN2010105156573A CN201010515657A CN102457119B CN 102457119 B CN102457119 B CN 102457119B CN 2010105156573 A CN2010105156573 A CN 2010105156573A CN 201010515657 A CN201010515657 A CN 201010515657A CN 102457119 B CN102457119 B CN 102457119B
- Authority
- CN
- China
- Prior art keywords
- axle
- supporting plate
- shell
- stator core
- core coil
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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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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- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a structure for a motor of an electric vehicle. The structure comprises a shaft, a driving plate, a shell, a stator core coil winding, a bracket plate and a rotor, wherein the driving plate is fixedly sleeved on the shaft end of peripheral; one end of the shell is dynamic hermetically and rotatably sleeved on the periphery on one end of the shaft; the rotor is fixedly sleeved on the shaft; the stator core coil winding is located inside the inner circumference of the rotor; the stator core coil winding is fixedly arranged on the bracket plate; the inner side of the bracket plate along the circumference direction is dynamic hermetically and rotatably sleeved on the shaft; one end of the bracket plate on the outer side along the circumference direction is hermetically and fixedly connected with the other end of the shell; a circular sealing space is formed by the shaft, the bracket plate and the shell; and the rotor and the stator core coil winding are both located in the circular sealing space. The structure for the motor of the electric vehicle is high in continuous stability, the bracket plate is in direct contact with atmosphere, the heat generated by the stator core coil winding is directly emitted to the atmosphere and the radiating speed is high, so that the temperature of the stator core coil winding can be quickly reduced, the power loss of the motor is reduced and the efficiency of the motor is increased.
Description
Technical field
The present invention relates to a kind of electric machine structure, particularly a kind of motor structure of electric vehicle.
Background technology
Current electric vehicle motor is all that axle does not rotate, and only has rotor and drive plate to rotate, and the supporting plate of the stator of this kind structure all is placed in the space of sealing, electric machine temperature rise is high, easily overheated, and the iron core winding conducting wire of stator is drawn by perforate on axle, sealing effectiveness is undesirable, and connection reliability is low.
Summary of the invention
In order to make up above deficiency, the invention provides a kind of motor structure of electric vehicle, this motor structure of electric vehicle is simple, connection is reliable, the heat transmission is fast, cooling fully.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of motor structure of electric vehicle, comprise axle, drive plate, shell, the stator core coil windings, supporting plate and rotor, described drive plate fixed cover is located at axle one end periphery, shell one end movable sealing turning set is located at axle one end periphery, the rotor fixed cover is located on axle, the stator core coil windings is positioned at rotor inner peripheral surface inboard, the stator core coil windings is fixedly arranged on supporting plate, the inboard movable sealing turning set of supporting plate circumferencial direction is located on axle, the supporting plate circumferencial direction outside one end and the sealing of the shell other end are connected, axle, the common annular seal space that forms of supporting plate and shell, rotor and stator core coil windings all are positioned at the sealing space, during use, the chain stay of the axial other end of supporting plate and electric motor car is connected, between chain stay and axle, be connected by bearing, electric vehicle motor has just realized that axle and rotor rotate jointly like this, and shell, the fixed structure of stator core coil windings electric motor car chain stay relative to supporting plate, this kind structure connects reliable, the supporting plate other end of stator core coil windings directly contacts with atmosphere, the heat that the stator core coil windings is produced directly is dispersed in atmosphere, radiating rate is fast, can reduce rapidly the temperature of stator core coil windings, reduce the power of motor loss, improve electric efficiency.
As a further improvement on the present invention, the axial lateral wall of described supporting plate is provided with some fin, by increasing heat radiation area, increases radiating rate like this.
As a further improvement on the present invention, described supporting plate axial end wall is provided with the wire harness hole, and the wire harness sealing of stator core coil windings is placed through in this wire harness hole, wire harness is drawn on supporting plate, good sealing effect, insulation is reliable, has avoided occurring because of defective insulation the problem of short circuit.
As a further improvement on the present invention, the structure that the wire harness sealing of described stator core coil windings is placed through in this wire harness hole is: in the wire harness hole, be installed with a sealing shroud, the interior lateral wall of sealing shroud circumferencial direction elasticity respectively presses closer wire harness hole madial wall and wire harness lateral wall.
As a further improvement on the present invention, described fin is linear pattern and curved a kind of.
As a further improvement on the present invention, the structure that the rotor fixed cover is located on axle is: the axle lateral wall is provided with keyway, and the rotor madial wall is provided with key, and this key just can be inserted in keyway.
As a further improvement on the present invention, the structure that described shell one end movable sealing turning set is located at axle one end periphery is: be provided with an inner bearing, the inner bearing periphery is fixed in shell one end, in inner bearing, all fixed covers are located at axle one end periphery, be provided with again inner seal ring, inner seal ring position opposite shell is fixed, and rotate relative to axle one end periphery the inner seal ring position, and the inside and outside both sides of inner seal ring press closer respectively the axle outside and shell one end inboard.
As a further improvement on the present invention, the structure that the inboard movable sealing turning set of described supporting plate circumferencial direction is located on axle is: be provided with an outer bearing, the outer bearing periphery is fixed in the supporting plate inboard, in outer bearing, all fixed covers are located at the axle periphery, be provided with again exterior seal ring, the relative supporting plate in exterior seal ring position is fixed, and rotate relative to axle the exterior seal ring position, and the inside and outside both sides of exterior seal ring sealing press closer respectively the axle outside and supporting plate one end inboard.
Useful technique effect of the present invention is: axle of the present invention and rotor rotate together, connective stability is high, the common annular seal space that forms of axle, supporting plate and shell, come accommodating rotor and stator core coil windings, the supporting plate other end directly contacts with atmosphere, and the heat that the stator core coil windings is produced directly is dispersed in atmosphere, radiating rate is fast, can reduce rapidly the temperature of stator core coil windings, reduce the power of motor loss, improve electric efficiency.
The accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Embodiment
Embodiment: a kind of motor structure of electric vehicle, comprise axle 1, drive plate 2, shell 3, stator core coil windings 4, supporting plate 5 and rotor 6, described drive plate 2 fixed covers are located at axle 1 one end peripheries, shell 3 one end movable sealing turning sets are located at axle one end periphery, rotor 6 fixed covers are located on axle, stator core coil windings 4 is positioned at rotor 6 inner peripheral surface inboards, stator core coil windings 4 is fixedly arranged on supporting plate 5, the inboard movable sealing turning set of supporting plate 5 circumferencial directions is located on axle 1, the supporting plate 5 circumferencial direction outside one ends and shell 3 other end sealings are connected, axle 1, supporting plate 5 and the common annular seal space that forms of shell 3, rotor 6 and stator core coil windings all are positioned at the sealing space, during use, the chain stay 7 of the axial other end of supporting plate 5 and electric motor car is connected, between chain stay 7 and axle, be connected by bearing, electric vehicle motor has just realized that axle and rotor rotate jointly like this, and shell 3, stator core coil windings 4 electric motor car chain stay 7 fixed structures relative to supporting plate 5, this kind structure connects reliable, supporting plate 5 other ends of stator core coil windings directly contact with atmosphere, the heat that stator core coil windings 4 is produced directly is dispersed in atmosphere, radiating rate is fast, can reduce rapidly the temperature of stator core coil windings 4, reduce the power of motor loss, improve electric efficiency.
The axial lateral wall of described supporting plate 5 is provided with some fin 51, by increasing heat radiation area, increases radiating rate like this.
Described supporting plate 5 axial end walls are provided with wire harness hole 52, and wire harness 41 sealings of stator core coil windings 4 are placed through in this wire harness hole 52, and wire harness 41 is drawn on supporting plate, good sealing effect, and insulation is reliable, has avoided occurring because of defective insulation the problem of short circuit.
The structure that wire harness 41 sealings of described stator core coil windings 4 are placed through in this wire harness hole 52 is: in wire harness hole 52, be installed with a sealing shroud 54, the interior lateral wall of sealing shroud 54 circumferencial directions elasticity respectively presses closer wire harness hole 52 madial walls and wire harness 41 lateral walls.
Described fin 51 is linear pattern and curved a kind of.
The structure that described rotor fixed cover is located on axle 1 is: axle 1 lateral wall is provided with keyway 11, and the rotor madial wall is provided with key 53, and this key 53 just can be inserted in keyway 11.
The structure that described shell one end movable sealing turning set is located at axle 1 one end peripheries is: be provided with an inner bearing 12, inner bearing 12 peripheries are fixed in shell one end, the interior all fixed covers of inner bearing 12 are located at axle one end periphery, be provided with again inner seal ring 13, inner seal ring 13 position opposite shell are fixed, rotate relative to axle 1 one end peripheries inner seal ring 13 positions, and the inside and outside both sides of inner seal ring 13 press closer respectively the axle outside and shell one end inboard.
The structure that the inboard movable sealing turning set of described supporting plate 5 circumferencial directions is located on axle 1 is: be provided with an outer bearing 14, outer bearing 14 peripheries are fixed in the supporting plate inboard, the interior all fixed covers of outer bearing 14 are located at the axle periphery, be provided with again exterior seal ring 15, the exterior seal ring 15 relative supporting plates in position are fixed, rotate relative to axle exterior seal ring 15 positions, and the exterior seal ring 15 inside and outside both sides of sealing press closer respectively the axle outside and supporting plate one end inboard.
Claims (8)
1. motor structure of electric vehicle, it is characterized in that: comprise axle (1), drive plate (2), shell (3), stator core coil windings (4), supporting plate (5) and rotor (6), described drive plate (2) fixed cover is located at axle (1) one end periphery, shell (3) one end movable sealing turning sets are located at axle one end periphery, rotor (6) fixed cover is located on axle, stator core coil windings (4) is positioned at rotor (6) inner peripheral surface inboard, stator core coil windings (4) is fixedly arranged on supporting plate (5), the inboard movable sealing turning set of supporting plate (5) circumferencial direction is located on axle (1), supporting plate (5) the circumferencial direction outside one end and the sealing of shell (3) other end are connected, axle (1), supporting plate (5) forms an annular seal space jointly with shell (3), rotor (6) and stator core coil windings all are positioned at the sealing space.
2. motor structure of electric vehicle as claimed in claim 1 is characterized in that: described supporting plate (5) axially lateral wall is provided with some fin (51).
3. motor structure of electric vehicle as claimed in claim 1, it is characterized in that: described supporting plate (5) axial end wall is provided with wire harness hole (52), and wire harness (41) sealing of stator core coil windings (4) is placed through in this wire harness hole (52).
4. motor structure of electric vehicle as claimed in claim 3, it is characterized in that: the structure that wire harness (41) sealing of described stator core coil windings (4) is placed through in this wire harness hole (52) is: in wire harness hole (52), be installed with a sealing shroud (54), the interior lateral wall of sealing shroud (54) circumferencial direction elasticity respectively presses closer wire harness hole (52) madial wall and wire harness (41) lateral wall.
5. motor structure of electric vehicle as claimed in claim 2 is characterized in that: described fin (51) is linear pattern and curved a kind of.
6. motor structure of electric vehicle as claimed in claim 1, it is characterized in that: the structure that the rotor fixed cover is located on axle (1) is: axle (1) lateral wall is provided with keyway (11), the rotor madial wall is provided with key (53), and this key (53) just can be inserted in keyway (11).
7. motor structure of electric vehicle as claimed in claim 1, it is characterized in that: the structure that described shell one end movable sealing turning set is located at axle (1) one end periphery is: be provided with an inner bearing (12), inner bearing (12) periphery is fixed in shell one end, in inner bearing (12), all fixed covers are located at axle one end periphery, be provided with again inner seal ring (13), inner seal ring (13) position opposite shell is fixed, rotate relative to axle (1) one end periphery inner seal ring (13) position, and the inside and outside both sides of inner seal ring (13) press closer respectively the axle outside and shell one end inboard.
8. motor structure of electric vehicle as claimed in claim 1, it is characterized in that: the structure that the inboard movable sealing turning set of described supporting plate (5) circumferencial direction is located on axle (1) is: be provided with an outer bearing (14), outer bearing (14) periphery is fixed in the supporting plate inboard, in outer bearing (14), all fixed covers are located at the axle periphery, be provided with again exterior seal ring (15), the relative supporting plate in exterior seal ring (15) position is fixed, rotate relative to axle exterior seal ring (15) position, and the inside and outside both sides of exterior seal ring (15) sealing press closer respectively the axle outside and supporting plate one end inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105156573A CN102457119B (en) | 2010-10-21 | 2010-10-21 | Structure for motor of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105156573A CN102457119B (en) | 2010-10-21 | 2010-10-21 | Structure for motor of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102457119A CN102457119A (en) | 2012-05-16 |
| CN102457119B true CN102457119B (en) | 2013-11-27 |
Family
ID=46039921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105156573A Expired - Fee Related CN102457119B (en) | 2010-10-21 | 2010-10-21 | Structure for motor of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102457119B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3199438A3 (en) * | 2016-02-01 | 2017-10-25 | Junkai Zhang | An electric vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329789A (en) * | 2015-06-16 | 2017-01-11 | 天津美派电动科技有限公司 | High-efficiency and energy-saving electric vehicle motor mechanism |
| US11837985B2 (en) | 2018-07-19 | 2023-12-05 | Robert Bosch Gmbh | Motor and control method therefore |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146427Y (en) * | 2007-12-19 | 2008-11-05 | 徐德芳 | Wheel hub motor of electric car |
| CN201830052U (en) * | 2010-10-21 | 2011-05-11 | 付强 | Motor structure of electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4894215B2 (en) * | 2005-10-05 | 2012-03-14 | 日産自動車株式会社 | In-wheel drive unit |
| US7554241B2 (en) * | 2006-03-31 | 2009-06-30 | Rao Dantam K | Three-gapped motor with outer rotor and stationary shaft |
-
2010
- 2010-10-21 CN CN2010105156573A patent/CN102457119B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146427Y (en) * | 2007-12-19 | 2008-11-05 | 徐德芳 | Wheel hub motor of electric car |
| CN201830052U (en) * | 2010-10-21 | 2011-05-11 | 付强 | Motor structure of electric vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3199438A3 (en) * | 2016-02-01 | 2017-10-25 | Junkai Zhang | An electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102457119A (en) | 2012-05-16 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI YUGUIDE INFORMATION TECHNOLOGY SERVICE CE Free format text: FORMER OWNER: FU QIANG Effective date: 20140805 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215332 SUZHOU, JIANGSU PROVINCE TO: 201708 QINGPU, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140805 Address after: Qingpu District 201708 Shanghai City Huaxin Town No. 1288 1 Lu Huateng 1 storey building C room 194 Patentee after: Shanghai Yuguide Information Technology Service Center Address before: 215332 Jiangsu Province town Kunshan City Shun Yang Industrial Zone Patentee before: Fu Qiang |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190627 Address after: Room 439, 4-storey F District, 1288 Huateng Road, Huaxin Town, Qingpu District, Shanghai, 20108 Patentee after: Shanghai Miao Pai Information Technology Service Center Address before: Room 194, 1st floor C, Building 1288, Huatengliu, Huaxin Town, Qingpu District, Shanghai, 20108 Patentee before: Shanghai Yuguide Information Technology Service Center |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20211021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |