CN102332779A - Motor cooling structure of electric vehicle - Google Patents
Motor cooling structure of electric vehicle Download PDFInfo
- Publication number
- CN102332779A CN102332779A CN2010102259489A CN201010225948A CN102332779A CN 102332779 A CN102332779 A CN 102332779A CN 2010102259489 A CN2010102259489 A CN 2010102259489A CN 201010225948 A CN201010225948 A CN 201010225948A CN 102332779 A CN102332779 A CN 102332779A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- sealing
- axle
- electric vehicle
- stator core
- 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
Links
Images
Classifications
-
- 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
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor cooling structure of an electric vehicle. The dynamic seal of the driving disc of the motor of the electric vehicle is rotatably sheathed on the outer periphery of one end of a shaft. A dynamic seal at one end of a shell is rotatably sheathed on the outer periphery of one end of the driving disc. A rotor is fixedly connected with the other end of the driving disc. A stator core coil winding is arranged in the inner circumference of the rotor and is fixedly arranged on a supporting plate. The internal side of the circumferential direction of the supporting plate is hermetically and fixedly arranged on the shaft. One end of the external side of the circumferential direction of the supporting plate is hermetically and fixedly connected with the other end of the shell. The shaft, the driving disc, the supporting plate and the shell jointly form an annular sealed space. Both the rotor and the stator core coil winding are arranged in the sealed space. The other end of the supporting plate of the motor cooling structure is in direct contact with atmosphere, heat generated by the stator core coil winding is directly dissipated into the atmosphere, the heat dissipation speed is fast, the temperature of the stator core coil winding can be rapidly reduced, the power loss of the motor is reduced and the efficiency of the motor is improved.
Description
Technical field
The present invention relates to a kind of motor cooling structure, particularly a kind of electric vehicle motor cooling structure.
Background technology
The iron-core coil winding of present electric vehicle motor stator and supporting plate all place a sealed space, and because of can not directly contacting with atmosphere, heat distributes indirectly; Heat radiation is slow; The iron-core coil winding temperature rise of stator is high, increases the power of motor loss, reduces electric efficiency.In addition, the wire harness of motor is to draw through motor axis hole, and production technology property is poor, occurs because of the defective insulation short circuit problem easily.
Summary of the invention
In order to remedy above deficiency, the invention provides a kind of electric vehicle motor cooling structure, this electric vehicle motor cooling structure is simple, heat transferred fast, cooling is abundant.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of electric vehicle motor cooling structure, electric vehicle motor comprise axle, drive plate, shell, stator core coil windings, supporting plate and rotor, and said drive plate movable sealing turning set is located at axle one an end periphery; Shell one end movable sealing turning set is located at drive plate one end periphery; The rotor and the drive plate other end are connected, and it is inboard that the stator core coil windings is positioned at the rotor inner peripheral surface, and the stator core coil windings is fixedly arranged on the supporting plate; Supporting plate circumferencial direction inner seal is fixedly arranged on the axle; The supporting plate circumferencial direction outside one end and the sealing of the shell other end are connected, the common annular seal space that forms of axle, drive plate, supporting plate and shell, and rotor and stator core coil windings all are positioned at the sealing space; 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 the atmosphere, and radiating rate is fast, can reduce the temperature of stator core coil windings apace; Reduce the power of motor loss, improve electric efficiency.
As further improvement of the present invention, the axial lateral wall of said supporting plate is provided with some fin, increases radiating rate through increasing area of dissipation like this.
As further improvement of the present invention, said 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 manufacturability, insulation is reliable, has avoided problem of short-circuit occurring because of defective insulation.
As further improvement of the present invention; The structure that the wire harness sealing of said stator core coil windings is placed through in this wire harness hole is: be installed with a sealing shroud in the wire harness hole, the interior lateral wall of sealing shroud circumferencial direction elasticity respectively presses closer wire harness hole madial wall and wire harness lateral wall.
As further improvement of the present invention, said fin is a linear pattern and curved a kind of.
As further improvement of the present invention; The structure that supporting plate circumferencial direction inner seal is fixedly arranged on the axle is: the axle lateral wall is provided with keyway; The supporting plate madial wall is provided with key; This key just can be inserted in the keyway, also is provided with sealing ring on the supporting plate madial wall, and sealing circle madial wall elasticity presses closer a lateral wall.
As further improvement of the present invention; The structure that said drive plate 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 the drive plate, and all fixed covers are located at axle one end periphery in the inner bearing; Be provided with inner seal ring again; The relative drive plate in inner seal ring position is fixed, and rotate inner seal ring position axle one end periphery relatively, inner seal ring sealing inner bearing.
As further improvement of the present invention; The structure that said shell one end movable sealing turning set is located at drive plate one end periphery is: be provided with an outer bearing, the outer bearing periphery is fixed in shell one end, and all fixed covers are located at drive plate one end periphery in the outer bearing; Be provided with exterior seal ring again; Exterior seal ring position opposite shell is fixed, and the relative drive plate in exterior seal ring position rotates, exterior seal ring sealing outer bearing.
Useful technique effect of the present invention is: the common annular seal space that forms of axle of the present invention, drive plate, supporting plate and shell; Come ccontaining 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 the atmosphere; Radiating rate is fast; Can reduce the temperature of stator core coil windings apace, reduce the power of motor loss, improve electric efficiency.
Description of drawings
Fig. 1 is a structural principle sketch map of the present invention.
Embodiment
Embodiment: a kind of electric vehicle motor cooling structure, electric vehicle motor comprise axle 1, drive plate 2, shell 3, stator core coil windings 4, supporting plate 5 and rotor 6, and said drive plate 2 movable sealing turning sets are located at axle 1 one end peripheries; Shell 3 one end movable sealing turning sets are located at drive plate 2 one end peripheries; Rotor 6 is connected with drive plate 2 other ends, and it is inboard that stator core coil windings 4 is positioned at rotor 6 inner peripheral surfaces, and stator core coil windings 4 is fixedly arranged on the supporting plate 5; Supporting plate 5 circumferencial direction inner seals are fixedly arranged on the axle 1; The supporting plate 5 circumferencial directions outside one end and the sealing of shell 3 other ends are connected, axle 1, drive plate 2, supporting plate 5 and the shell 3 common annular seal spaces that form, and rotor 6 all is positioned at the sealing space with the stator core coil windings; Supporting plate 5 other ends of stator core coil windings 4 directly contact with atmosphere; The heat that stator core coil windings 4 is produced directly is dispersed in the atmosphere, and radiating rate is fast, can reduce the temperature of stator core coil windings 4 apace; Reduce the power of motor loss, improve electric efficiency.
Said supporting plate 5 axial lateral walls are provided with some fin 51, increase radiating rate through increasing area of dissipation like this.
Said 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 is drawn on supporting plate 5, good manufacturability, and insulation is reliable, has avoided problem of short-circuit occurring because of defective insulation.
The structure that wire harness 41 sealings of said stator core coil windings 4 are placed through in this wire harness hole 52 is: be installed with a sealing shroud 55 in the wire harness hole 52, the interior lateral wall of sealing shroud 55 circumferencial directions elasticity respectively presses closer wire harness hole 52 madial walls and wire harness 41 lateral walls.
Said fin 51 is a linear pattern and curved a kind of.
The structure that said supporting plate 5 circumferencial direction inner seals are fixedly arranged on the axle 1 is: axle 1 lateral wall is provided with keyway 11; Supporting plate 5 madial walls are provided with key 53; This key 53 just can be inserted in the keyway 11; Also be provided with sealing ring 54 on supporting plate 5 madial walls, sealing circle 54 madial wall elasticity press closer axle 1 lateral wall.
The structure that said drive plate 2 movable sealing turning sets are located at axle 1 one end peripheries is: be provided with an inner bearing; The inner bearing periphery is fixed in the drive plate 2; All fixed covers are located at axle one end periphery in the inner bearing, are provided with inner seal ring again, and the relative drive plate in inner seal ring position is fixed; Rotate inner seal ring position axle 1 one end peripheries relatively, inner seal ring sealing inner bearing.
The structure that said shell 3 one end movable sealing turning sets are located at drive plate 2 one end peripheries is: be provided with an outer bearing; The outer bearing periphery is fixed in shell one end; All fixed covers are located at drive plate 2 one end peripheries in the outer bearing, are provided with exterior seal ring again, and exterior seal ring position opposite shell is fixed; The relative drive plate 2 in exterior seal ring position rotates, exterior seal ring sealing outer bearing.
Claims (8)
1. electric vehicle motor cooling structure; Electric vehicle motor comprises axle (1), drive plate (2), shell (3), stator core coil windings (4), supporting plate (5) and rotor (6); Said drive plate (2) movable sealing turning set is located at axle (1) one end periphery; Shell (3) one end movable sealing turning sets are located at drive plate (2) one end peripheries, and rotor (6) is connected with drive plate (2) other end, and it is inboard that stator core coil windings (4) is positioned at rotor (6) inner peripheral surface; Stator core coil windings (4) is fixedly arranged on the supporting plate (5); It is characterized in that: supporting plate (5) circumferencial direction inner seal is fixedly arranged on the axle (1), and supporting plate (5) the circumferencial direction outside one end and the sealing of shell (3) other end are connected, axle (1), drive plate (2), supporting plate (5) and shell
(3) form an annular seal space jointly, rotor (6) and stator core coil windings all are positioned at the sealing space.
2. electric vehicle motor cooling structure as claimed in claim 1 is characterized in that: said supporting plate (5) axially lateral wall is provided with some fin (51).
3. electric vehicle motor cooling structure as claimed in claim 1 is characterized in that: said 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. electric vehicle motor cooling structure as claimed in claim 3; It is characterized in that: the structure that wire harness (41) sealing of said stator core coil windings (4) is placed through in this wire harness hole (52) is: be installed with a sealing shroud (55) in wire harness hole (52), the interior lateral wall of sealing shroud (55) circumferencial direction elasticity respectively presses closer wire harness hole (52) madial wall and wire harness (41) lateral wall.
5. electric vehicle motor cooling structure as claimed in claim 2 is characterized in that: said fin (51) is a linear pattern and curved a kind of.
6. electric vehicle motor cooling structure as claimed in claim 1; It is characterized in that: the structure that supporting plate (5) circumferencial direction inner seal is fixedly arranged on the axle (1) is: axle (1) lateral wall is provided with keyway (11); Supporting plate (5) madial wall is provided with key (53); This key (53) just can be inserted in the keyway (11), also is provided with sealing ring (54) on supporting plate (5) madial wall, and sealing circle (54) madial wall elasticity presses closer axle (1) lateral wall.
7. electric vehicle motor cooling structure as claimed in claim 1; It is characterized in that: the structure that said drive plate (2) movable sealing turning set is located at axle (1) one end periphery is: be provided with an inner bearing, the inner bearing periphery is fixed in the drive plate (2), and all fixed covers are located at axle one end periphery in the inner bearing; Be provided with inner seal ring again; The relative drive plate in inner seal ring position is fixed, and rotate inner seal ring position axle (1) one end periphery relatively, inner seal ring sealing inner bearing.
8. electric vehicle motor cooling structure as claimed in claim 1; It is characterized in that: the structure that said shell (3) one end movable sealing turning sets are located at drive plate (2) one end peripheries is: be provided with an outer bearing, the outer bearing periphery is fixed in shell one end, and all fixed covers are located at drive plate (2) one end peripheries in the outer bearing; Be provided with exterior seal ring again; Exterior seal ring position opposite shell is fixed, and the relative drive plate in exterior seal ring position (2) rotates, exterior seal ring sealing outer bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102259489A CN102332779A (en) | 2010-07-12 | 2010-07-12 | Motor cooling structure of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102259489A CN102332779A (en) | 2010-07-12 | 2010-07-12 | Motor cooling structure of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102332779A true CN102332779A (en) | 2012-01-25 |
Family
ID=45484435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102259489A Pending CN102332779A (en) | 2010-07-12 | 2010-07-12 | Motor cooling structure of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102332779A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015109864A1 (en) * | 2014-01-23 | 2015-07-30 | 中山大洋电机股份有限公司 | External rotor motor |
| 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 |
| CN114499015A (en) * | 2022-01-29 | 2022-05-13 | 烟台东德实业有限公司 | Vortex type hydrogen circulating pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030184245A1 (en) * | 2002-04-01 | 2003-10-02 | Nissan Motor Co., Ltd. | Drive of rotary electric machine |
| CN2634716Y (en) * | 2003-06-10 | 2004-08-18 | 严安照 | Motor for electric car |
| JP2007099106A (en) * | 2005-10-05 | 2007-04-19 | Nissan Motor Co Ltd | In-wheel drive unit |
| CN201398111Y (en) * | 2009-03-31 | 2010-02-03 | 西南大学 | Combined type liquid oil lubrication motor |
| CN201726253U (en) * | 2010-07-12 | 2011-01-26 | 付强 | Electrocar motor cooling structure |
-
2010
- 2010-07-12 CN CN2010102259489A patent/CN102332779A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030184245A1 (en) * | 2002-04-01 | 2003-10-02 | Nissan Motor Co., Ltd. | Drive of rotary electric machine |
| CN2634716Y (en) * | 2003-06-10 | 2004-08-18 | 严安照 | Motor for electric car |
| JP2007099106A (en) * | 2005-10-05 | 2007-04-19 | Nissan Motor Co Ltd | In-wheel drive unit |
| CN201398111Y (en) * | 2009-03-31 | 2010-02-03 | 西南大学 | Combined type liquid oil lubrication motor |
| CN201726253U (en) * | 2010-07-12 | 2011-01-26 | 付强 | Electrocar motor cooling structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015109864A1 (en) * | 2014-01-23 | 2015-07-30 | 中山大洋电机股份有限公司 | External rotor motor |
| 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 |
| CN114499015A (en) * | 2022-01-29 | 2022-05-13 | 烟台东德实业有限公司 | Vortex type hydrogen circulating pump |
| CN114499015B (en) * | 2022-01-29 | 2022-10-28 | 烟台东德实业有限公司 | Vortex type hydrogen circulating pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2863516B1 (en) | Motor | |
| WO2013186813A1 (en) | Motor | |
| CN212649239U (en) | Wheel hub motor with waterproof function | |
| CN201830052U (en) | Motor structure of electric vehicle | |
| CN209402334U (en) | A kind of heat-insulated hub motor | |
| CN201234197Y (en) | Permanent magnet brushless direct driving motor for single side axis automobile hub | |
| CN102332779A (en) | Motor cooling structure of electric vehicle | |
| CN102457119B (en) | Structure for motor of electric vehicle | |
| CN103580422A (en) | Air-cooling heat dissipation structure of permanent magnet synchronous motor stator | |
| CN201726253U (en) | Electrocar motor cooling structure | |
| CN112510949A (en) | No yoke stator module and axial permanent magnetism wheel hub formula motor | |
| CN203261222U (en) | Air cooling structure of cylindrical permanent magnet speed regulator | |
| CN211239582U (en) | High-speed direct-current brushless motor for automobile brake system | |
| CN108448850B (en) | Motor and automobile | |
| CN103078445A (en) | Efficient radiating motor | |
| CN202798286U (en) | Efficient heat dissipation motor | |
| CN214124956U (en) | No yoke stator module and axial permanent magnetism wheel hub formula motor | |
| CN213521578U (en) | Novel hub motor integrated controller device | |
| CN201536279U (en) | Direct current motor | |
| CN102447349B (en) | Axial flow air cooled external rotor electric machine | |
| CN103580421A (en) | Permanent magnet synchronous motor with air-cooling heat-dissipating structure | |
| CN106329789A (en) | High-efficiency and energy-saving electric vehicle motor mechanism | |
| CN207595183U (en) | A kind of drive system of electric motor vehicle and electric motor car with two wheels | |
| CN215009958U (en) | Quick heat dissipation motor | |
| CN201937420U (en) | Speed-variable motor of high-speed train |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120125 |