CN101888129A - Waterproof high-power motor for electric vehicle - Google Patents
Waterproof high-power motor for electric vehicle Download PDFInfo
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- CN101888129A CN101888129A CN 201010228846 CN201010228846A CN101888129A CN 101888129 A CN101888129 A CN 101888129A CN 201010228846 CN201010228846 CN 201010228846 CN 201010228846 A CN201010228846 A CN 201010228846A CN 101888129 A CN101888129 A CN 101888129A
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- power
- electric vehicle
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Abstract
The invention relates to a waterproof high-power motor for an electric vehicle, which comprises a motor shaft and a rotor arranged around the motor shaft, and is characterized in that: the rotor is fixed on the motor shaft; a power module which is arranged corresponding to a magnet of the rotor is fixed on a supporting disc; the supporting disc is arranged on the motor shaft through a bearing; a power supply lead passes through the supporting disc to be connected with the power module; a waterproof cover is fixed on the supporting disc to form a shell; the rotor and the power module are positioned in the shell; and the center of the waterproof cover and the motor shaft or a component which is fixed on the motor shaft are sealed in a sliding mode. The waterproof high-power motor for the electric vehicle can prevent outside sand, rainwater and the like from entering a gap between the rotor and the power module, guarantees the normal work of a driving device, and avoids fault phenomena that the rotor is locked and the like. Meanwhile, the motor can rapidly dissipate heat, the power supply lead path is not limited, and the requirement on high-power input is met.
Description
Technical field
The present invention relates to a kind of waterproof high-power motor that is used for battery-operated motor cycle or electric bicycle.
Background technology
The drive motors that uses on conventional electric motorcycle or the electric bicycle mainly is made up of parts such as motor stator, rotor, housing and motor shafts, for example Chinese patent CN200973039Y is disclosed: the motor shaft middle part is fixed with stator, two of motor shaft connects housing by bearing, rotor is fixed on the housing, rotor is equipped with magnet steel, the stator of this traditional motor is owing to be closed in the housing fully, the inner hollow of motor shaft, and current supply line penetrates from motor shaft inside and is connected with stator.Traditional electrical motor-car drive unit has the following disadvantages: 1, stator is closed in the housing fully, between the housing of motor and rotation and the rotor air-gap is arranged, thereby the radiating effect of stator is bad, burns out easily; 2, current supply line penetrates from the inside of motor shaft, and the line of lead directly is restricted, and the power of being imported is also corresponding less, can't satisfy the designing requirement that makes of high-power electric motorcycle or electric bicycle.Thereby we need design a kind of good heat dissipation effect, can solve high-power input problem, the waterproof high-power motor that has good water resistance again simultaneously.
Summary of the invention
The invention provides and a kind ofly both had good heat dissipation effect, can high-powerly import, simultaneously the good waterproof high-power motor for electric vehicle of water resistance.
The technical solution adopted in the present invention is: a kind of waterproof high-power motor for electric vehicle, comprise motor shaft, and the rotor that centers on the motor shaft layout, on described motor shaft, fix described rotor, be fixed on the supporting disk with the power model of the corresponding setting of magnetic patch of described rotor, on motor shaft, current supply line passes supporting disk and is connected with power model supporting disk by Bearing Installation; Be fixed with bucker and the common housing that forms on described supporting disk, rotor and power model are positioned at this housing, the central part of bucker and motor shaft or be fixed in parts slipper seal on the motor shaft.
Further improvement of the present invention, described motor shaft passes the wheel rim of peviform, described bucker away from an end of supporting disk near at the bottom of the basin of described wheel rim.
Further improvement of the present invention, the openend of described bucker is fixed by bolt and supporting disk, and bucker and supporting disk are provided with the circumference auxiliary section, and seal by sealing ring in the circumference auxiliary section.
Further improvement of the present invention, the cross section of described supporting disk is T-shaped, comprises dish portion and middle shaft part, and its middle shaft part extends in described housing, is bearing on the motor shaft by forward and backward bearing.
Further improvement of the present invention, described rotor extends outside housing at the connecting portion place of motor shaft, is provided with the dubbin sealing assembly between bucker and this extension.
Further improvement of the present invention is pressed with seal between described rotor and the motor shaft.
Further improvement of the present invention, described bucker is bearing on the extension of motor shaft or rotor by bearing.
As one embodiment of the present invention, described rotor is basin shape and power model is covered, and magnetic patch is fixed on the annular inner basin wall of rotor, and magnetic patch is corresponding with the external cylindrical surface of power model.
As another embodiment of the invention, described rotor is disc, and magnetic patch is fixed on the rotor disk face and is corresponding with the end face of described power model.
Further, in such scheme, described supporting disk is provided with the transducer of monitoring magnet turned position.
The invention has the beneficial effects as follows:
1, on supporting disk, is fixed with bucker and forms waterproof case, rotor and power model are positioned at waterproof case, outside silt, rainwater etc. can't infiltrate housing, prevent that the space between rotor and the power model can be by obstructions such as silts, guarantee the operate as normal of drive unit, avoided the generation of phenomena of the failure such as rotor is stuck;
2, the present invention is provided with metal supporting disk, utilize supporting disk to fix power model, when work, the heat that motor produced can be by large-area metal support disk quick heat radiating, solve the technical problem of motor quick heat radiating, improved the useful life of drive unit;
3, because the contact area of supporting disk and power model is big, and supporting disk is connected with motor shaft by bearing, motor shaft rotates and the supporting disk transfixion, be convenient to current supply line and insert, when being used for heavy-duty motor, some groups of current supply lines can being set passing large-area supporting disk card easily and be connected with each unit of power model respectively, current supply line line footpath is unrestricted, input has improved input power greatly simultaneously, makes the power design space of vehicle bigger.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of another embodiment of the present invention.
Embodiment
With reference to shown in Figure 1, a kind of waterproof high-power motor for electric vehicle comprises motor shaft 1, and centers on the rotor 4 that motor shaft 1 is arranged.Motor shaft 1 passes wheel rim 7, and wheel rim 7 outsides are equipped with tire 8, are fixed with rotor 4 on motor shaft 1, are fixed with magnetic patch 41 on rotor 4, and magnetic patch 41 is magnet steel or permanent magnet.Be fixed on the supporting disk 2 with the power model 3 of the magnetic patch 41 corresponding settings of rotor 4, on motor shaft 1, current supply line 9 passes supporting disk 2 and is connected with power model 3 supporting disk 2 by Bearing Installation; Be fixed with bucker 5 and the common housing that forms on supporting disk 2, rotor 4 and power model 3 are positioned at this housing, center 41 slipper seals of the central part of bucker 5 and rotor 4.
When practical application, the design's motor shaft 1 passes the wheel rim 7 of peviform, wheel rim 7 is fixedlyed connected with motor shaft 1, bucker 5 away from an end of supporting disk 2 near at the bottom of the basin of wheel rim 7, bucker 5 is positioned at the basin shape cavity of this wheel rim 7, make the structure of product both compact, can take into account quick heat radiating and high-power input simultaneously again.
The cross section of supporting disk 2 is T-shaped, comprises dish portion and middle shaft part, and its middle shaft part extends in housing, is bearing on the motor shaft 1 by forward and backward bearing 11,12, realizes reliable and stable supporting, makes the dynamic structure of product more reasonable.
For making this electric machine structure reasonable, easy to assembly, possesses better sealing, rotor 4 is connected with motor shaft 1 by internal spline, rotor 4 extends outside housing at the connecting portion place of motor shaft 1, be provided with dubbin sealing assembly 42 between bucker 5 and this extension 44, be pressed with seal 43 between rotor 4 and the motor shaft 1.
Better for the dynamic structure that makes motor, bucker 5 also can be bearing on the extension 44 of motor shaft 1 or rotor 4 by bearing, and aforesaid rear bearing 12 is moved to bucker 5 places, has increased the span of front and back bearings, improves its power performance.
Because the design utilizes bucker 5 that rotor and power model are covered, therefore, the configuration mode of rotor and power model is also more flexible: rotor 4 can be a basin shape as shown in Figure 1, rotor 4 covers power model 3, magnetic patch 41 is fixed on the annular inner basin wall of rotor 4, and magnetic patch 41 is corresponding with the external cylindrical surface of power model 3.
In addition, as another kind of execution mode, rotor 4 can also be to be discoidal structure as shown in Figure 2, magnetic patch 41 is fixed on rotor 4 cards and is corresponding with the end face of power model 3, it can reach the purpose of drive unit equally, setting has the purpose that reduces the device radial dimension like this, is convenient to this device and is applicable to the minor diameter tire.
Above-mentioned two kinds of schemes as required flexible Application on various vehicles.During work, be loaded on power model 3 energising on the supporting disk 2 after, power model 3 produces the magnetic field of rotation, promotes magnet together with rotor 4 rotations, drives motor shafts 1 rotation by rotor 4, motor shaft 1 drives wheel rim 5 rotations again, thereby drive wheels.
In order accurately and timely to gather the motor operation information, the design's supporting disk 2 is provided with the transducer 6 of monitoring magnetic patch 41 turned positions, can feed back the movement position and the speed of service of motor real-time and accurately by the angle of calculating magnetic patch 41 rotations.
The above is the preferred embodiment of the present invention, and it does not constitute limiting the scope of the invention, so long as realize that with essentially identical means purpose of the present invention all should belong to protection scope of the present invention.
Claims (10)
1. waterproof high-power motor for electric vehicle, comprise motor shaft (1), and the rotor (4) that centers on motor shaft (1) layout, it is characterized in that: go up fixing described rotor (4) at described motor shaft (1), be fixed on the supporting disk (2) with the power model (3) of the corresponding setting of magnetic patch (41) of described rotor (4), on motor shaft (1), current supply line (9) passes supporting disk (2) and is connected with power model (3) supporting disk (2) by Bearing Installation; Be fixed with bucker (5) and the common housing that forms on described supporting disk (2), rotor (4) and power model (3) are positioned at this housing, the central part of bucker (5) and motor shaft (1) or be fixed in parts slipper seal on the motor shaft (1).
2. a kind of waterproof high-power motor for electric vehicle according to claim 1 is characterized in that: described motor shaft (1) passes the wheel rim (7) of peviform, described bucker (5) away from an end of supporting disk (2) near at the bottom of the basin of described wheel rim (7).
3. a kind of waterproof high-power motor for electric vehicle according to claim 1, it is characterized in that: the openend of described bucker (5) is fixing by bolt (51) and supporting disk (2), bucker (5) is provided with the circumference auxiliary section with supporting disk (2), and seals by sealing ring (52) in the circumference auxiliary section.
4. a kind of waterproof high-power motor for electric vehicle according to claim 1, it is characterized in that: the cross section of described supporting disk (2) is T-shaped, comprise dish portion and middle shaft part, its middle shaft part extends in described housing, is bearing on the motor shaft (1) by forward and backward bearing (11,12).
5. a kind of waterproof high-power motor for electric vehicle according to claim 1, it is characterized in that: described rotor (4) extends outside housing at the connecting portion place of motor shaft (1), is provided with dubbin sealing (42) between bucker (5) and this extension (44).
6. a kind of waterproof high-power motor for electric vehicle according to claim 5 is characterized in that: be pressed with seal (43) between described rotor (4) and the motor shaft (1).
7. a kind of waterproof high-power motor for electric vehicle according to claim 5 is characterized in that: described bucker (5) is bearing on the extension (44) of motor shaft (1) or rotor (4) by bearing.
8. according to described any waterproof high-power motor for electric vehicle of claim 1 to 7, it is characterized in that: described rotor (4) is basin shape and power model (3) is covered, magnetic patch (41) is fixed on the annular inner basin wall of rotor (4), and magnetic patch (41) is corresponding with the external cylindrical surface of power model (3).
9. according to described any waterproof high-power motor for electric vehicle of claim 1 to 7, it is characterized in that: described rotor (4) is disc, and magnetic patch (41) is fixed on rotor (4) card and is corresponding with the end face of described power model (3).
10. according to described any waterproof high-power motor for electric vehicle of claim 1 to 7, it is characterized in that: described supporting disk (2) is provided with the transducer (6) of monitoring magnet turned position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010228846 CN101888129B (en) | 2010-07-16 | 2010-07-16 | Waterproof high-power motor for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010228846 CN101888129B (en) | 2010-07-16 | 2010-07-16 | Waterproof high-power motor for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101888129A true CN101888129A (en) | 2010-11-17 |
| CN101888129B CN101888129B (en) | 2012-02-29 |
Family
ID=43073899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010228846 Expired - Fee Related CN101888129B (en) | 2010-07-16 | 2010-07-16 | Waterproof high-power motor for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101888129B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760575A (en) * | 2014-01-15 | 2014-04-30 | 北京北斗星通导航技术股份有限公司 | Anti-interference Beidou satellite navigation receiver board card and receiver terminal thereof |
| CN110588326A (en) * | 2019-08-21 | 2019-12-20 | 刘恩恒 | Self-generating system of electric automobile and electric automobile |
| CN113530839A (en) * | 2020-04-13 | 2021-10-22 | 比亚迪股份有限公司 | Water pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0759316A (en) * | 1993-08-18 | 1995-03-03 | Shibaura Eng Works Co Ltd | Motor |
| CN2667781Y (en) * | 2003-12-22 | 2004-12-29 | 董争峰 | Waterproof planar electric machine |
| US20090196773A1 (en) * | 2008-02-05 | 2009-08-06 | Delta Electronics, Inc | Fan and motor |
| CN201369663Y (en) * | 2009-03-16 | 2009-12-23 | 常州高尔登科技有限公司 | Disk-type brushless motor |
-
2010
- 2010-07-16 CN CN 201010228846 patent/CN101888129B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0759316A (en) * | 1993-08-18 | 1995-03-03 | Shibaura Eng Works Co Ltd | Motor |
| CN2667781Y (en) * | 2003-12-22 | 2004-12-29 | 董争峰 | Waterproof planar electric machine |
| US20090196773A1 (en) * | 2008-02-05 | 2009-08-06 | Delta Electronics, Inc | Fan and motor |
| CN201369663Y (en) * | 2009-03-16 | 2009-12-23 | 常州高尔登科技有限公司 | Disk-type brushless motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760575A (en) * | 2014-01-15 | 2014-04-30 | 北京北斗星通导航技术股份有限公司 | Anti-interference Beidou satellite navigation receiver board card and receiver terminal thereof |
| CN110588326A (en) * | 2019-08-21 | 2019-12-20 | 刘恩恒 | Self-generating system of electric automobile and electric automobile |
| CN113530839A (en) * | 2020-04-13 | 2021-10-22 | 比亚迪股份有限公司 | Water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101888129B (en) | 2012-02-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| 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: CHANGZHOU HAOJUE ELECTRIC BICYCLE CO., LTD. Free format text: FORMER OWNER: JIANGMEN DACHANGJIANG GROUP CO., LTD. Effective date: 20150814 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150814 Address after: 213000 No. 888 west the Yellow River Road, Jiangsu, Changzhou Patentee after: CHANGZHOU HAOJUE ELECTRIC VEHICLE CO., LTD. Address before: 529000 Guangdong City, Jiangmen province up to North Road, No. 5 Patentee before: Jiangmen Dachangjiang Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20180716 |