CN106357053B - A kind of hub motor drive system using spray and air-cooled combination cooling mode - Google Patents
A kind of hub motor drive system using spray and air-cooled combination cooling mode Download PDFInfo
- Publication number
- CN106357053B CN106357053B CN201611064210.2A CN201611064210A CN106357053B CN 106357053 B CN106357053 B CN 106357053B CN 201611064210 A CN201611064210 A CN 201611064210A CN 106357053 B CN106357053 B CN 106357053B
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- Prior art keywords
- cooling
- motor
- oil
- motor housing
- field spider
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention discloses a kind of hub motor drive system using spray and air-cooled combination cooling mode, including wheel rim, hub motor, motor housing, rotor field spider, motor support axis, spray equipment etc., the wheel rim is connected with rotor field spider side wall, and through bearing support on motor housing.Motor housing is connected by stud with motor support axis, rotor field spider is by bearing support on motor support axis, design has oil input channel and back oil road on motor support axis, and design has spiral oil duct on motor housing, and spray equipment is equipped on motor housing oil duct and provides spraying cooling；There are vent passages in rotor field spider, and flabellum is installed to provide air flowing.The design of motor housing bottom has oil return opening to collect the cooling oil sprayed out, and enters filtering radiator through back oil road, enters recycle next time after cooling.The use of two kinds of types of cooling can achieve preferable cooling effect, be more advantageous to the promotion of hub motor drive system comprehensive performance.
Description
Technical field
The present invention relates to a kind of hub motor drive systems, more particularly to a kind of use to spray and air-cooled combination cooling mode
Hub motor drive system.
Background technique
Currently, various new-energy automobile technologies emerge one after another, distributed hub motor driven electric vehicle is because it is on chassis
Obvious technical advantage in terms of structure arrangement and active control, by the great attention of industry, In-wheel motor driving automobile will be driven
Dynamic motor is directly integrated in wheel, is the major impetus element of automobilism, stator coil etc. must in the process of running
A large amount of heat can be generated；Secondly because inside wheel space is limited, can not radiate well.This just needs us will be different
The type of cooling be used in hub motor to achieve the purpose that heat dissipation.But the current type of cooling has water cooling, oily cold, wind
Cold, spraying cooling etc., wherein especially best with spraying cooling effect.The different types of cooling can obtain in hub motor
It realizes, but cooling effect may not necessarily reach the performance requirement of hub drive system, so a variety of types of cooling are in hub motor
Upper different parts play the respective available preferably cooling effect of function.It is contemplated that the leakproofness and electromagnetism of motor are special
Property, it is necessary to the overall structure of hub motor is improved while selecting the type of cooling, heat dissipation can met
In the case of work normally.
Currently, the research work in terms of hub motor drive system is cooling is also extremely limited, after coordinate indexing,
Application No. is CN201310355901.8 to disclose a kind of powered wheel with refrigerating function, application No. is
CN201210154194.1 discloses a kind of water-cooled hub motor.Above-mentioned patent only carries out structure to single methods for cooling
A variety of methods for cooling are realized in a hub motor without reference to while without reference in hub motor in design jointly
Spraying cooling form.
Summary of the invention
For the weak link of the cooling aspect of current hub motor drive system, the object of the present invention is to provide one kind to be applicable in
In the cooling structure of internal rotor hub motor drive system, completed by comprehensive use of spray and air-cooled two kinds of types of cooling
Heat dissipation to hub motor drive system, to guarantee the normal work of hub motor drive system.
The purpose of the present invention is achieved through the following technical solutions:
The system is mainly by wheel rim, oil duct, motor housing, rotor field spider, stator, rotor, spray equipment, flabellum, braking
The composition such as device.
Hub motor of the invention is the structure of inner-rotor-type, the type of cooling of use have spraying cooling and it is air-cooled two kinds it is cold
But mode carries out combination cooling.One piece tyre and wheel hub are supported by rotor field spider side wall and motor housing, with rotor field spider
Sidewall sections are to be connected by screw to, and are attached with motor housing portion by bearing.Rotor field spider part is by two parts group
At.A part is connected directly with rotor, through bearing support on motor support axis；Another part, that is, rotor field spider side wall passes through
Screw is connect with wheel rim and last point respectively.The also motor housing of fixed stator and its winding being connected with motor support axis
Part, this part are attached with motor support axis by stud, are assembled for convenience, and motor housing side wall passes through screw and electricity
Machine shell is connected.Stator is fixed on motor housing by positioning pin.Stator winding and rotor are sealed in by motor housing
The confined space formed with rotor field spider, motor housing and rotor field spider are connected with each other by the bearing of good airproof performance.
Outside above structure, from back oil road come out cooling oil need by coarse filter, radiator, oil pump, fine cleaner,
Drier, and be transported in the oil input channel of cooling oil duct.Cooling oil duct is designed under above-mentioned hub motor structure,
In include oil input channel, back oil road, oil return opening, spray oil duct, spray equipment.Oil input channel and back oil road are all designed in motor support
On axis, then had respectively entered in spray oil duct and the cooling oil duct of screw type by the oil duct on motor housing.It sprays cold
It is that cooling oil is transported in spray equipment by the oil duct on motor housing.Spray equipment be distributed in motor housing and its
On the inner surface and circumferential inner surface of side wall.The combination of spray oil duct and spray equipment can be distributed with more on motor housing
It is a, to provide enough cooling effects.Spraying cooling enters oil return by being distributed in the oil return opening of motor housing bottom with oil
It goes in pipeline, and is finally convergeed in an oil circuit with by the cold cooling oil of spiral pipeline oil, from returning for motor support axis
Oil duct transfers out.
Air-cooled structure major design is on rotor field spider and motor housing, including flabellum and ventilation opening.Do not influencing oil duct
In the case where, ventilation opening is designed on the motor housing side wall close to spoke.Equally the inside of rotor field spider and its side wall is drawn
Sky, makes vent passages, and flabellum is mounted on vent passages in the biggish peripheral surface of its radius and rotor field spider axially may be used
With conducting, so that wind can enter from side, other side export.
Under the above constitution, brake is mounted on outside hub motor, and brake disc is designed in rotor field spider side-wall outer side
On.On the basis of meeting braking ability, make hub motor inner space simpler.
In conjunction with above structure, spraying cooling cools down stator and its winding, rotor etc., and air-cooled to stator support
To heat spreading function.Hub motor is comprehensively cooled down by both types of cooling, improves the heat radiation energy of hub motor
Power.
Compared with the existing technology, the invention has the advantages that and the utility model has the advantages that
(1) use of the spraying cooling in hub motor can significantly improve the heat-sinking capability of hub motor drive system.
(2) cooling oil duct of spraying cooling can radiate to motor housing while providing spraying cooling oil, mention
High heat-sinking capability.
The combination cooling of (3) two kinds of types of cooling, improves the heat-sinking capability of hub motor, can satisfy hub motor
Performance requirement.
(4) brake is mounted on outside hub motor, easy access while takes full advantage of hub interior space.
Detailed description of the invention
Figure is first is that overall structure diagram
Figure is second is that oil duct and motor housing schematic diagram
Scheme the front view third is that figure two
Scheme the right view fourth is that figure two
Figure is fifth is that stator support schematic diagram
Scheme the front view sixth is that figure five
Scheme the right view seventh is that figure five
Figure is eighth is that without flabellum rotor support schematic diagram
Figure ninth is that flabellum other positions rotor field spider schematic diagram
In figure: 1. tire, 2. wheel rim, 3. oil duct 3-1. oil input channel 3-2. back oil road 3-3. sprays oil duct 3-4. screw type oil duct
4. 7. rotor field spider 7-1. rotor field spider vent passages 7-2. rotor field spider side wall 8. of stator core and 5. magnet steel of winding, 6. rotor
Hexagonal cylindrical head in 9. deep groove ball bearing of snap ring, 10. motor support axis, the 11. motor housing 11-1. motor housing side wall 12. of hole
18. hexagon socket cap head screw of screw 13. positioning pin, 14. brake disc, 15. brake, 16. spray equipment, 17. sleeve, 19. oil return opening
20. 26. fine cleaner of studs 21. ventilation for enclosures mouth, 22. flabellum, 23. coarse filter, 24. radiator, 25. oil pump, 27. drier
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawing.
Embodiment 1
The invention will now be described in further detail with reference to the accompanying drawings, and embodiments of the present invention are not limited thereto.
Hub motor drive system using spraying cooling and air-cooled two kinds of types of cooling as shown in Figure 1, mainly takes turns
The composition such as tire 1, wheel rim 2, motor support axis 10, motor housing 11, stator 4, magnet steel 5, rotor 6, rotor field spider 7, brake 15.
Wheel rim 2 is directly connected with rotor 6 by rotor field spider side wall 7-2, rotor field spider 7.Wheel rim 2 is also by bearing support in motor
On shell 11.Stator core and winding 4 are to be connected by positioning pin 13 with motor housing 11.Motor housing 11 passes through studs
20 are connected with fixed motor support axis 10.Motor housing 11 and motor housing side wall 11-1 pass through bearing and rotor field spider
7 are connected with each other.Brake disc 14 is mounted on rotor field spider side wall 11-1.
By in schematic diagram Fig. 2 and its front view 3 and right view Fig. 4 it can be seen that oil duct 3 be distributed in motor support axis 10,
On motor housing 11 and motor housing side wall 11-1.Oil input channel 3-1 and back oil road 3-2 leads to from motor support axis 10
It crosses.Cooling oil is entered in the oil duct 3 on motor housing 11 by oil input channel 3-1, respectively enter the cold screw type oil duct 3-4 of oil and
It sprays in oil duct 3-3.Can carry out installing multiple spray equipments 16 on one spray oil duct 3-3, at the same in motor housing 11 and
There can be multiple spray oil duct 3-3 on motor housing side wall 11-1, as shown in schematic diagram two, only draw three spray oil duct 3-3.
Spray equipment 16 is mounted on the inner surface on motor housing 11 and motor housing side wall 11-1.The cooling oil of spray passes through spray
Device 16 sprays oil, cooling to stator core and winding 4, magnet steel 5 and rotor 6.The cold cooling oil of oil then passes through screw type
Oil duct 3-4 radiates to motor.The cooling oil that spray comes out is entered back by being located at the oil return opening 19 of 11 bottom of motor housing
In oil duct 3-2, the cooling oil in screw type oil duct 3-4 has also been eventually entered into back oil road 3-2.Oil into back oil road passes through slightly
Filter 23, radiator 24, oil pump 25, fine cleaner 26, drier 27, and enter in oil input channel 3-1, it is followed next time
Ring.Wherein coarse filter 23 and fine cleaner 26 are to filter cooling well cuts；Radiator 24, which can cool down, has absorbed heat
The cooling oil of amount；Drier 27 is to remove cooling water content in oil, to prevent influencing the performance of hub motor.
Air-cooled structure is from schematic diagram 2 and its front view 3 and right view Fig. 4, schematic diagram Fig. 5 and front view 6 and right view
It can be seen that ventilation for enclosures mouth 21 is distributed on motor housing 11 in figure Fig. 7, while also having on rotor field spider side wall 7-2 identical
The ventilation opening of size, and have vent passages 7-1 on rotor field spider 7 for ventilation, while being fixedly connected with rotor with rotor field spider 7
Also there is ventilation opening identical with vent passages 7-1 shape in rack side wall 7-2.Flabellum 22 is installed in vent passages 7-1, with
Accelerate the flowing of air.Vent passages 7-1 is the flowing for allowing rotor field spider 7 axially to have air, to complete the heat dissipation to it, in order to
It makes the ingress of air area of larger-size middle section bigger, biggish vent passages 7-1 can be designed wherein, such as shown
It is intended to dissipate in Fig. 5 and its front view 6 and right view Fig. 7 shown in the vent passages 7-1 of the cylinder of middle section to enhance
Thermal effect.
Embodiment 2
In the above-described embodiment, flabellum 22 is installed in the vent passages 7-1 of rotor field spider 7, but not limited to this, it can
To save flabellum 22, its natural air inlet is allowed, structure is as shown in Figure 8.
Embodiment 3
Flabellum 22 can be mounted in vent passages 7-1 on the side wall of motor support axis 10, be shown in the present embodiment
It is intended to as shown in Figure 9.The quantity of flabellum 22 can also be changed according to demand simultaneously.Other structures are identical as above structure,
It will not go into details.
Claims (6)
1. a kind of hub motor drive system using spraying cooling and air-cooled combination cooling mode, primary structure includes: spray
Device, oil duct, stator, rotor, motor housing, motor support axis, wheel rim and brake, it is characterized in that: wheel rim directly with turn
Submounts side wall is connected, while further through bearing support on motor housing, and motor housing is connected by bearing with rotor field spider
It connects, forms confined space, be the structure of external stator internal rotor in space, stator is connected on motor housing by positioning pin, is turned
Son is directly connected with rotor field spider, and rotor field spider is connected on motor support axis by bearing, and motor support axis passes through double end spiral shell
Column is connected with motor housing, and design has a spray oil duct on motor housing, and spray equipment is distributed in motor housing and its side wall
On inner surface and circumferential inner surface, it is equipped with oil return opening in motor housing bottom, disengaging oil duct all designs on motor support axis,
Cooling oil enters the cooling oil duct of spray oil duct and screw type, carries out spraying cooling respectively and oil is cold, eventually by oil return opening and
Back oil road carries out oil return, and the cooling oil after circulation passes through coarse filter, the radiator, oil pump, fine cleaner, drying outside hub motor
Device enters to be recycled next time, and air-cooled structure is designed in rotor field spider, is gone out vent passages in rotor field spider and its sidewall design, is being leaned on
Ventilation opening is designed on the motor housing side wall of nearly spoke, flabellum is mounted in the biggish peripheral surface of vent passages inside radius, is led to
Rotor field spider is connected axially can in wind channel, and brake is mounted on outside rotor field spider.
2. the hub motor drive system according to claim 1 using spraying cooling and air-cooled combination cooling mode,
Be characterized in that: the spray equipment is distributed on the two sides inner surface and peripheral surface of motor housing, the spray equipment number
Mesh can require specific determine according to cooling.
3. the hub motor drive system according to claim 1 using spraying cooling and air-cooled combination cooling mode,
Be characterized in that: the rotor field spider internal chamber is designed to be equipped with the vent passages of flabellum, and lobe numbers can be wanted according to cooling
Specific design is asked to determine.
4. the hub motor drive system according to claim 1 using spraying cooling and air-cooled combination cooling mode,
Be characterized in that: the cooling oil duct on the motor housing can be screw type or Z-shaped.
5. the hub motor drive system according to claim 1 using spraying cooling and air-cooled combination cooling mode,
Be characterized in that: the type of the hub motor is the motor of permanent-magnet synchronous, switching magnetic-resistance or alternating current impression excitation mode.
6. the hub motor drive system according to claim 1 using spraying cooling and air-cooled combination cooling mode,
Be characterized in that: the brake is electromagnetic type or fluid pressure type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064210.2A CN106357053B (en) | 2016-11-28 | 2016-11-28 | A kind of hub motor drive system using spray and air-cooled combination cooling mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064210.2A CN106357053B (en) | 2016-11-28 | 2016-11-28 | A kind of hub motor drive system using spray and air-cooled combination cooling mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106357053A CN106357053A (en) | 2017-01-25 |
| CN106357053B true CN106357053B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611064210.2A Active CN106357053B (en) | 2016-11-28 | 2016-11-28 | A kind of hub motor drive system using spray and air-cooled combination cooling mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023008762A1 (en) * | 2021-07-28 | 2023-02-02 | 씨스톤 테크놀로지스(주) | Power transmission device |
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| CN108128144B (en) * | 2017-12-10 | 2020-06-09 | 山东理工大学 | Wheel hub motor driving wheel with brake device |
| CN108075603A (en) * | 2017-12-26 | 2018-05-25 | 清华大学苏州汽车研究院（吴江） | Wheel hub motor |
| WO2019187021A1 (en) * | 2018-03-30 | 2019-10-03 | 本田技研工業株式会社 | Cooling structure for rotating electrical device |
| CN108397423A (en) * | 2018-03-31 | 2018-08-14 | 合肥合博机电有限公司 | A kind of air-cooled structure on water pump |
| CN109572388A (en) * | 2018-12-04 | 2019-04-05 | 山东理工大学 | A kind of integrated form is to turning dual rotor motor wheel integral structure |
| CN111987844B (en) * | 2020-08-28 | 2022-11-29 | 江苏科技大学 | Self-cooling hub motor heat dissipation mechanism |
| KR102622464B1 (en) * | 2021-12-06 | 2024-01-08 | 씨스톤 테크놀로지스(주) | Power transmission device |
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| CN106357053A (en) | 2017-01-25 |
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