CN101327731A - Water-cooling electric driven hub - Google Patents
Water-cooling electric driven hub Download PDFInfo
- Publication number
- CN101327731A CN101327731A CNA2008100699152A CN200810069915A CN101327731A CN 101327731 A CN101327731 A CN 101327731A CN A2008100699152 A CNA2008100699152 A CN A2008100699152A CN 200810069915 A CN200810069915 A CN 200810069915A CN 101327731 A CN101327731 A CN 101327731A
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- end cap
- motor
- cooling water
- wheel hub
- water tank
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Abstract
The present invention discloses a water-cooled electric wheel hub, and comprises a left wheel hub frame, a right wheel hub frame, a box body, an external rotor motor, a shaft, a wheel and a brake; the left wheel hub frame and the right wheel hub frame are fixedly connected relatively to the box body; the hollow cavity between a motor stator and the shaft is provided with an internal cooling water tank; the internal cooling water tank is fixedly arranged in the box; the motor rotor tightly clings to and is fixedly sleeved on the shell of the internal cooling water tank; the structure also comprises an external cooling water tank which is arranged at the periphery of the motor; the external cooling water tank is communicated with the internal cooling water tank by at least one channel. The water-cooled electric wheel hub adopts the principle of cooling water convection, to effectively disperse the heat which is generated by the operating motor; and the heat can be effectively dispersed when the motor is operated for a long time; thus the motor has higher working efficiency. Therefore, the wheel hub saves the energy and prolongs the service life of the motor. The structure is simple and compact; the volume of the electric wheel hub is not increased; and the structure is suitable for light and flexible electric vehicles. The external cooling water tank forms the wall of the box body, which further simplifies the structure of the wheel hub.
Description
Technical field
The present invention relates to a kind of electric vehicle hub, particularly a kind of water-cooling electric driven hub.
Background technology
In the prior art, electronlmobil, battery-operated motor cycle, Electrical Bicycle all are by governor handle or acceleration pedal direct control current control speed basically, or adopt manual mechanical automatic transmission mode to realize speed change.The operation of navigating mate is depended in the operation of handle or acceleration pedal fully, usually can cause operation and garage's situation not to match, and causes the motor fluctuation of service, the stall phenomenon occurs.Particularly starting, when upward slope and heavy load, because resistance to motion increases, under the situation that does not have the self-adapting automatic gear shift device, forcing motor speed to descend works in the low efficiency district, cause battery to increase under the supply current operating mode, motor rotation blockage, heating, if the radiating condition of motor itself is bad, can cause that the motor feels hot, cause that motor internal each several part thermal expansion coefficient difference causes the variation of structural stress and the subtle change of internal air gap, can influence the normal operation of motor, cause degradation of energy, can burn out motor when serious, therefore should carry out necessary control the heating of the motor of elec. vehicle.For overcoming the above problems, corresponding coolant storage tank or the cooling water jecket of being provided with motor stator water-cooled machine appear,, but continue under the long situation of running time at elec. vehicle, cooling water temperature continues to raise, and the cooling measure that there is no need still foregoing problems can occur.
Therefore, need a kind of electric wheel hub, the heat that the motor rotation that can effectively scatter and disappear produces improves motor working efficiency, energy savings, and prolongation motor service life, and simple and compact for structure, be applicable to elec. vehicle.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of water-cooling electric driven hub, the heat that the motor rotation that can effectively scatter and disappear produces, and effective dissipated heat still when motor turns round for a long time guarantees that motor has higher work efficiency, thereby energy savings, prolong motor service life, simple and compact for structure, do not increase the volume of electric wheel hub, be suitable for elec. vehicle.
Water-cooling electric driven hub of the present invention, comprise the left wheel hub frame, right wheel hub frame, casing, motor, axle, wheel and drg, described left wheel hub frame is connected with the casing relative fixed with right wheel hub frame, motor is positioned at the excircle that casing is arranged on axle, left wheel hub frame and right wheel hub frame divide the Train Wheel left and right sides, rotor and wheel are in the circumferencial direction heavy keying fit during cruising, described motor is an external rotor electric machine, in the cavity between motor stator and the axle interior coolant storage tank is set, coolant storage tank is fixedly installed in the casing in described, and motor stator fits tightly fixed cover on the shell of interior coolant storage tank; Also comprise outer cooling water tank, described outer cooling water tank is arranged at the motor excircle; Pass through at least one channel connection between described outer cooling water tank and the interior coolant storage tank.
Further, described casing comprises that left end cap, right end cap and the box body wall of captiveing joint with left end cap and right end cap, described box body wall are made of outer cooling water tank;
Further, described outer cooling water tank excircle is provided with radiating gill;
Further, described passage is arranged in left end cap or the right end cap, and described interior coolant storage tank is fixedly installed on left end cap or the right end cap and is connected with passage;
Further, described outer cooling water tank and interior coolant storage tank and channel attached end face are provided with packing seal;
Further, described outer cooling water tank with right end cap is captiveed joint with left end cap by two screw rod I that are distributed on circumferencial direction at least, described passage is arranged in the right end cap, and interior coolant storage tank is captiveed joint with right end cap by two screw rod II that are distributed on circumferencial direction at least;
Further, described screw rod I passes the screw rod cover I that is arranged in the outer cooling water tank, described screw rod cover I two ends and the welding of outer cooling tank seal; Screw rod cover II in described screw rod II passes and is arranged in the coolant storage tank, described screw rod cover II two ends and interior coolant storage tank tight weld;
Further, described rotor with captive joint at the circuitous to the right gear frame of motor left end, gear frame by the cavity between interior coolant storage tank and the axle and wheel in the circumferencial direction heavy keying fit, a described gear frame and a normal-running fit;
Further, the passage in the described right end cap is two, and two passages radially are 180 ° of layouts;
Further, described drg is fixedly installed on the axle, and right wheel hub frame is captiveed joint with drg; Described left end cap is captiveed joint with the axle left end, and the left wheel hub frame is captiveed joint with left end cap; Described gear frame meshes at circumferencial direction by the drive sleeve and the wheel of captiveing joint with it, flexible mistake the 3rd annular bearing with rolling contact and axle normal-running fit in the drive sleeve, and cylindrical is by second radial bearing and right end cap normal-running fit; The gear frame left end is by first annular bearing with rolling contact and axle normal-running fit.
The invention has the beneficial effects as follows: water-cooling electric driven hub of the present invention, adopt the structure of inside and outside coolant storage tank, utilize the convective principles of cooling water expansion tank, the heat that the motor rotation that can effectively scatter and disappear produces, and when motor turns round for a long time effective dissipated heat still, guarantee that motor has higher work efficiency, thereby energy savings, prolong motor service life, simple and compact for structure, do not increase the volume of electric wheel hub; Outer cooling water tank is provided with radiating gill, further strengthens radiating effect; Outer cooling water tank plays the effect of box body wall simultaneously, makes volume of the present invention little, and compact conformation reduces manufacturing cost; Water stream channel is arranged on end cap inside, further reduces volume of the present invention, makes structure compact more, is suitable for battery-driven car light characteristics flexibly; Inside and outside coolant storage tank carries out captive joint by screw rod and the screw rod cover that is welded in the water tank respectively, easy accessibility, and good airproof performance reduces fault rate.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is an axial section structural representation of the present invention;
Fig. 2 be Fig. 1 along A-A to cutaway view;
Fig. 3 be Fig. 2 along B-B to cutaway view;
Fig. 4 is a right end cap internal channel scheme drawing.
The specific embodiment
Fig. 1 is an axial section structural representation of the present invention, Fig. 2 be Fig. 1 along A-A to cutaway view, Fig. 3 be Fig. 2 along B-B to cutaway view, Fig. 4 is a right end cap internal channel scheme drawing, as shown in the figure: the motor of present embodiment is an external rotor electric machine.
Water-cooling electric driven hub of the present invention, comprise left wheel hub frame 7, right wheel hub frame 15, casing 4, motor, axle 1, wheel 14 and drg 16, casing 4 comprises left end cap 6, right end cap 13 and the box body wall of captiveing joint with left end cap 6 and right end cap 13, left end cap 6 is connected by screw retention with axle 1 left end, left wheel hub frame 7 and left end cap 6 are connected by screw retention, drg 16 is arranged on the axle 1 by screw retention, and right wheel hub frame 15 is captiveed joint with drg 16; Motor is positioned at the excircle that casing 4 is arranged on axle 1,15 fens Train Wheel 14 left and right sides of left wheel hub frame 7 and right wheel hub frame, rotor 9 is captiveed joint with the gear frame 5 that makes a circulation to the right at the motor left end, gear frame 5 meshes at circumferencial direction by drive sleeve 20 and wheel 14, flexible mistake the 3rd annular bearing with rolling contact 18 and axle 1 normal-running fit in the drive sleeve 20, cylindrical cooperates with right end cap 13 by second radial bearing 23, gear frame 5 left ends are by first annular bearing with rolling contact 3 and axle 1 normal-running fit, this structure is beneficial to whole transmission device smooth operation, keeps balance; Coolant storage tank 22 in being provided with in the cavity between motor stator 8 and the gear frame 5, interior coolant storage tank 22 is captiveed joint with right end cap 13 by six screw rod II 17 that are distributed on circumferencial direction, this structure easy accessibility is simple, increase work efficiency, screw rod cover II 17a in screw rod II17 passes and is arranged in the coolant storage tank 22, screw rod cover II 17a two ends and interior coolant storage tank 22 tight welds, good airproof performance, and can improve the intensity of interior coolant storage tank 22; Motor stator 8 fits tightly fixed cover on the shell 21 of interior coolant storage tank 22, and gear frame 5 is by cavity between interior coolant storage tank 22 and the axle 1; Also comprise outer cooling water tank 10, outer cooling water tank 10 is arranged at the motor excircle and captives joint with right end cap 13 with left end cap 6 by the screw rod I 2 that is distributed on circumferencial direction and constitute box body wall, make wheel hub structure compactness of the present invention, easy accessibility is simple, increase work efficiency, screw rod I 2 passes the screw rod cover I 2a that is arranged in the outer cooling water tank 10, screw rod cover I 2a two ends and outer cooling water tank 10 tight welds, good airproof performance, and can improve the outer intensity of cooling off water tank 10; Outer cooling water tank 10 excircles are provided with radiating gill 11, strengthen radiating effect; Be communicated with by the passage 12 that is arranged in the right end cap 13 between outer cooling water tank 10 and the interior coolant storage tank 22, passage 12 in the right end cap 13 is two, two passages 12 radially are 180 ° of layouts, outer cooling water tank 10 and interior coolant storage tank 22 are provided with packing seal 24 with passage 12 bonded assembly end faces, adopt the structure of passage 12, when with interior coolant storage tank 22 that motor stator 8 contacts in the cooling water expansion tank adstante febre, by convection current, the outside coolant storage tank 10 of flow of hot water, coolant storage tank 22 in cold water in the outer cooling water tank 10 enters, simultaneously, the hot water that enters outer cooling water tank 10 quickens heat radiation by radiating gill 11, carry out the next round interchange of heat, finish effective cooling of motor; Two passages 12 in the right end cap 13 communicate with the external world, seal by plug 19, make things convenient for the cleaning of passage 12, prevent that passage 12 from stopping up.
Certainly, the present invention does not limit to the structure of present embodiment, can be used with the adaptive automatic gear shifting device, not only reaches environmental protection and energy saving effect preferably, can also reduce further that the motor feels hot, prolongs the service life of motor; When transmission system is installed, corresponding grease channel is set in the right end cap 13, make the present invention can reach compact conformation, volume is little, purpose easy to install.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. water-cooling electric driven hub, comprise left wheel hub frame (7), right wheel hub frame (15), casing (4), motor, axle (1), wheel (14) and drg (16), described left wheel hub frame (7) is connected with casing (4) relative fixed with right wheel hub frame (15), motor is positioned at the excircle that casing (4) is arranged on axle (1), left wheel hub frame (7) and right wheel hub frame (15) divide Train Wheel (14) left and right sides, rotor during cruising (9) and wheel (14) are in the circumferencial direction heavy keying fit, it is characterized in that: described motor is an external rotor electric machine, in the cavity between motor stator (8) and the axle (1) interior coolant storage tank (22) is set, coolant storage tank (22) is fixedly installed in the casing (4) in described, and motor stator (8) fits tightly fixed cover on the shell (21) of interior coolant storage tank (22); Also comprise outer cooling water tank (10), described outer cooling water tank (10) is arranged at the motor excircle; Be communicated with by at least one passage (12) between described outer cooling water tank (10) and the interior coolant storage tank (22).
2. water-cooling electric driven hub according to claim 1, it is characterized in that: described casing (4) comprises left end cap (6), right end cap (13) and the box body wall of captiveing joint with left end cap (6) and right end cap (13), and described box body wall is made of outer cooling water tank (10).
3. water-cooling electric driven hub according to claim 2 is characterized in that: described outer cooling water tank (10) excircle is provided with radiating gill (11).
4. water-cooling electric driven hub according to claim 3, it is characterized in that: described passage (12) is arranged in left end cap (6) or the right end cap (13), and described interior coolant storage tank (22) is fixedly installed on left end cap (6) or right end cap (13) upward is connected with passage (12).
5. water-cooling electric driven hub according to claim 4 is characterized in that: described outer cooling water tank (10) and interior coolant storage tank (22) are provided with packing seal (24) with passage (12) bonded assembly end face.
6. water-cooling electric driven hub according to claim 5, it is characterized in that: described outer cooling water tank (10) with right end cap (13) is captiveed joint with left end cap (6) by two the screw rod I (2) that are distributed on circumferencial direction at least, described passage (12) is arranged in the right end cap (13), and interior coolant storage tank (22) is captiveed joint with right end cap (13) by two the screw rod II (17) that are distributed on circumferencial direction at least.
7. water-cooling electric driven hub according to claim 6 is characterized in that: described screw rod I (2) passes the screw rod cover I (2a) that is arranged in the outer cooling water tank (10), described screw rod cover I (2a) two ends and outer cooling water tank (10) tight weld; Described screw rod II (17) passes the screw rod cover II (17a) that is arranged in the interior coolant storage tank (22), described screw rod cover II (17a) two ends and interior coolant storage tank (22) tight weld.
8. water-cooling electric driven hub according to claim 7, it is characterized in that: described rotor (9) is captiveed joint with the gear frame (5) that makes a circulation to the right at the motor left end, gear frame (5) by interior coolant storage tank (22) and axle the cavity between (1) and wheel (14) in the circumferencial direction heavy keying fit, described gear frame (5) and (1) normal-running fit.
9. water-cooling electric driven hub according to claim 8 is characterized in that: the passage (12) in the described right end cap (13) is two, and two passages (12) radially are 180 ° of layouts.
10. water-cooling electric driven hub according to claim 8 is characterized in that: described drg (16) is fixedly installed on the axle (1), and right wheel hub frame (15) is captiveed joint with drg (16); Described left end cap (6) is captiveed joint with axle (1) left end, and left wheel hub frame (7) is captiveed joint with left end cap (6); Described gear frame (5) meshes at circumferencial direction with wheel (14) by the drive sleeve (20) of captiveing joint with it, flexible mistake the 3rd annular bearing with rolling contact (18) and axle (1) normal-running fit in the drive sleeve (20), cylindrical is by second radial bearing (23) and right end cap (13) normal-running fit; Gear frame (5) left end is by first annular bearing with rolling contact (3) and axle (1) normal-running fit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100699152A CN101327731A (en) | 2008-07-01 | 2008-07-01 | Water-cooling electric driven hub |
| US12/863,951 US8789435B2 (en) | 2007-08-31 | 2008-08-29 | Cam self-adaptive automatic speed shift hub |
| EP08783679.7A EP2216241B1 (en) | 2007-08-31 | 2008-08-29 | A cam self-adapting automatic speed-varying hub |
| PCT/CN2008/001553 WO2009030115A1 (en) | 2007-08-31 | 2008-08-29 | A cam self-adapting automatic speed-varying hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100699152A CN101327731A (en) | 2008-07-01 | 2008-07-01 | Water-cooling electric driven hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101327731A true CN101327731A (en) | 2008-12-24 |
Family
ID=40203830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100699152A Pending CN101327731A (en) | 2007-08-31 | 2008-07-01 | Water-cooling electric driven hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101327731A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722958B (en) * | 2009-12-25 | 2011-07-20 | 新誉集团有限公司 | Independent hub traction device |
| CN105751814A (en) * | 2016-01-13 | 2016-07-13 | 宣建民 | Shaft-less wheel |
| CN106357053A (en) * | 2016-11-28 | 2017-01-25 | 山东理工大学 | In-wheel motor drive system adopting spraying-air cooling combined cooling method |
| WO2017177321A1 (en) * | 2016-04-12 | 2017-10-19 | Tm4 Inc. | Liquid cooled electric machine with enclosed stator |
| CN108397424A (en) * | 2018-05-07 | 2018-08-14 | 王连春 | A kind of water pump |
| CN113653664A (en) * | 2021-08-19 | 2021-11-16 | 鑫磊压缩机股份有限公司 | Motor rotor cooling air duct structure of magnetic suspension axial flow fan |
| CN115133713A (en) * | 2022-08-30 | 2022-09-30 | 中山市启胜电器有限公司 | Motor capable of cooling in self-circulation mode |
-
2008
- 2008-07-01 CN CNA2008100699152A patent/CN101327731A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722958B (en) * | 2009-12-25 | 2011-07-20 | 新誉集团有限公司 | Independent hub traction device |
| CN105751814A (en) * | 2016-01-13 | 2016-07-13 | 宣建民 | Shaft-less wheel |
| CN105751814B (en) * | 2016-01-13 | 2018-01-23 | 浙江宣又美科技有限公司 | A kind of shaftless wheel |
| WO2017177321A1 (en) * | 2016-04-12 | 2017-10-19 | Tm4 Inc. | Liquid cooled electric machine with enclosed stator |
| US10826353B2 (en) | 2016-04-12 | 2020-11-03 | Dana Tm4 Inc. | Liquid cooled electric machine with enclosed stator |
| CN106357053A (en) * | 2016-11-28 | 2017-01-25 | 山东理工大学 | In-wheel motor drive system adopting spraying-air cooling combined cooling method |
| CN106357053B (en) * | 2016-11-28 | 2019-05-07 | 山东理工大学 | A kind of hub motor drive system using spray and air-cooled combination cooling mode |
| CN108397424A (en) * | 2018-05-07 | 2018-08-14 | 王连春 | A kind of water pump |
| CN113653664A (en) * | 2021-08-19 | 2021-11-16 | 鑫磊压缩机股份有限公司 | Motor rotor cooling air duct structure of magnetic suspension axial flow fan |
| CN115133713A (en) * | 2022-08-30 | 2022-09-30 | 中山市启胜电器有限公司 | Motor capable of cooling in self-circulation mode |
| CN115133713B (en) * | 2022-08-30 | 2022-11-18 | 中山市启胜电器有限公司 | Motor capable of cooling in self-circulation mode |
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Open date: 20081224 |