CN106100205A - A kind of motor lubricating and cooling - Google Patents
A kind of motor lubricating and cooling Download PDFInfo
- Publication number
- CN106100205A CN106100205A CN201610642845.XA CN201610642845A CN106100205A CN 106100205 A CN106100205 A CN 106100205A CN 201610642845 A CN201610642845 A CN 201610642845A CN 106100205 A CN106100205 A CN 106100205A
- Authority
- CN
- China
- Prior art keywords
- oil
- rotor
- central shaft
- motor
- decelerator
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
Abstract
The invention discloses a kind of motor lubricating and cooling, including central shaft, rotor, stator, decelerator, the oily passage arranged in central shaft is connected, described central shaft extends in the endoporus of output shaft, and and the endoporus inner face of output shaft between be provided with the first oil pocket, described first oil pocket is connected with the oily passage on central shaft, described between rotor and reducer shell, it is provided with the second oil pocket, described second oil pocket is connected with the oil duct being arranged on rotor, oil passage it was provided with between outer end and the motor housing inwall of described rotor, it is provided with oil back chamber in the bottom of motor housing, described oil passage of crossing is sequentially connected logical with oil back chamber.The present invention uses and oil leab and cooling oil duct is united two into one, while carrying out mechanism's lubrications such as motor internal bearing, decelerator, rotors, take away its heat produced, thus realize wheel hub motor being lubricated simultaneously and dispelling the heat, reduce cost of manufacture and save wheel hub motor space.
Description
Technical field
The present invention relates to electric automobile and field of motor manufacturing, particularly to a kind of motor lubricating and cooling.
Background technology
Wheel hub motor technology is also known as wheel inner electric machine technology, and it is that power, transmission and brake unit are all incorporated into wheel
In hub, it will simplify the frame for movement of electric vehicle and save space.Country greatly develops new-energy automobile at present, and high-power
Electric automobile cooling system is paid close attention to by many researcheres as an important technological problems, and produces in motor normal operation
Raw huge heat, if cooling motor is not in time, it is likely that cause motor damage notably to burn, so studying efficient wheel hub electricity
Machine cooling system has practical significance.
Wheel hub motor cooling system research development in recent years is rapid, and research worker proposed multiple design before this.Mesh
The type of cooling on new-energy automobile of applying of front proposition mainly has air-cooled, water-cooled and cold three kinds of oil.
Relating to one in number of patent application (201520983914.4) invention uses natural wind to come electronic vapour by pressure
Wheel hub motor carries out the system cooled down, and it is the quantity of the air vent by increasing protection set, and then utilizes pressure differential to increase
Flow velocity and the flow of the Nature wind dispel the heat.In this invention, wheel hub motor remains a need for increasing lubricating utensil, and wheel hub motor system is tied
Structure is more complicated, and natural wind heat radiation is difficult to accomplish uniform and stable heat radiation.
Number of patent application (201510767950.1) invention relates to a kind of water-cooled wheel hub motor system, uses Double helix
Circulating water passage strengthens the heat-sinking capability of motor.Motor is lowered the temperature by this invention by current, and it remains a need for individually moistening
Sliding system, whole system is complex.
Summary of the invention
The technical problem to be solved is the not enough offer a kind of structure letter existed for above-mentioned prior art
Singly, motor lubricating and cooling wheel hub motor being lubricated simultaneously and dispelling the heat can be realized.
The technical solution adopted in the present invention is: a kind of motor lubricating and cooling, including motor housing, motor inner shell,
The stator that central shaft, the rotor being connected with central shaft and rotor arrange mutually, described rotor is cantilever structure, in its one end shape
Concavity space, is installed on decelerator in concave shaped space, and described central shaft is connected with decelerator by bearing group, described center
Axle is as the input of decelerator, and the hub connection member being connected with decelerator rotating shaft is as outfan, it is characterised in that: at motor
The upper connection of shell has an oily interface, and described oil interface one end is connected with the oil pump being arranged on outside motor housing, the other end and in
The oily passage arranged in mandrel is connected, and described central shaft extends in the endoporus of output shaft, and inner with the endoporus of output shaft
Being provided with the first oil pocket between face, described first oil pocket is connected with the oily passage on central shaft, is provided with oil outlet on decelerator,
Described second oil pocket that is provided with between rotor and reducer shell, described first oil pocket and the second oil pocket are by bearing group and fuel-displaced
Hole is connected, and described second oil pocket is connected with the oil duct being arranged on rotor, the outer end of described rotor and motor housing inwall
Between be provided with oil passage, be provided with oil back chamber in the bottom of motor housing, described oil passage of crossing is sequentially connected logical with oil back chamber, institute
State oil back chamber to be connected with oil pump.
By technique scheme, described decelerator is cycloidal reducer, and it includes reducer shell, is set in outside central shaft
Eccentric bushing, two clutch shaft bearings, eccentric, rotating shafts, described central shaft and rotating shaft are by the second bearing and rotating shaft phase configuration, institute
State bearing group and include that two clutch shaft bearings, the second bearing, the first oil pocket are connected by three bearings successively with the oil outlet of decelerator
Logical.
By technique scheme, between the outer end of central shaft and oil interface, it is provided with the 3rd oil pocket, outside described central shaft
End is by the 3rd bearings on electric machine casing, and described oil passage of crossing is connected by the 3rd bearing and the 3rd oil pocket.
By technique scheme, the oil that described oil pump pumps out is hydraulic oil.
By technique scheme, it is provided with the shaft shoulder on center shaft, for the axial limiting to decelerator, described second oil pocket
Enclosed formed by the shaft shoulder of central shaft, the concave shaped space of rotor, reducer shell.
By technique scheme, described oil duct is provided at circumferentially spaced along rotor, and described oil duct axially penetrates through rotor, at rotor
It is provided with at least one circle passage.
Having the beneficial effect that the present invention uses and oil leab and cooling oil duct are united two into one acquired by the present invention, is entering
While row is to mechanism's lubrications such as motor internal bearing, decelerator, rotors, takes away its heat produced, thus realize same
Time wheel hub motor is lubricated and dispels the heat, reduce cost of manufacture and also save wheel hub motor space；The oil pump of the present invention independently sets
Putting on motor housing, it uses independent oil pump feed system, and motor cooling work is not limited by its operating mode, especially when electricity
Also can work efficiently during machine stall.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the present invention.
Fig. 2 is the main sectional view of the present invention.
Fig. 3 is the partial enlarged drawing in Fig. 2 at A.
Fig. 4 is the structural representation of central shaft in the present invention.
Fig. 5 is the front view of rotor of the present invention.
In figure: 1 oil pump, 2 motor housings, 3 rotors, 4 holding screws, 5 external pieces, 6 oil interfaces, 7 the 3rd bearings, 8
Second bearing, 9 eccentrics, 10 export trades, 11 reducer shells, 12 stators, 13 fix screw, 14 motor inner shells, 15 clutch shaft bearings,
16 central shafts, 17 rotating shafts, 18 hub connection member, 19 bearings, 20 eccentric bushings, 21 oil passages, 22 first oil pockets, 23 oil pockets, 24 go out
Oilhole, 25 second oil pockets, 26 shaft shoulders, 27 oil ducts, 28 the most oily passage, 29 the 3rd oil pockets, 30 oil back chambers.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As Figure 1-5, a kind of motor lubricating and cooling is present embodiments provided, including motor housing 2, motor inner shell
14, the stator 12 that central shaft 16, the rotor 3 being connected with central shaft and rotor arrange mutually, motor housing 2 leads to motor inner shell 14
Crossing fixing screw 13 to be connected, described rotor 3 is cantilever structure, forms concave shaped space in its one end, installs in concave shaped space
Having decelerator, described central shaft 16 is as the input of decelerator, hub connection member 18 conduct being connected with decelerator rotating shaft 17
Outfan, the central hole at motor housing 2 is fixed with external piece 5 by holding screw 4, has oily interface on external piece 5
6, described oil interface 6 one end is connected with the oil pump 1 being arranged on outside motor housing, the other end and the oily passage arranged in central shaft
21 are connected.Wherein, oil pump 1 is connected with controller, and the outer end of central shaft 16 is supported on electric machine casing 2 by the 3rd bearing 7,
Described central shaft extends in the endoporus of output shaft 17, and and the endoporus inner face of output shaft between be provided with the first oil pocket 22, institute
State the first oil pocket 22 to be connected with the oily passage 21 on central shaft, in decelerator, be provided with oil pocket 23, reducer shell sets
There is oil outlet 24, it is provided with the shaft shoulder 26 on center shaft, for axial limiting to decelerator, the shaft shoulder 26 of central shaft, rotor
Concave shaped space, reducer shell 11 enclose formation the second oil pocket 25, and described first oil pocket 22 and the second oil pocket 25 pass through bearing group
And oil outlet 24 is connected, being provided with oil duct 27 on rotor, described oil duct 27 is provided at circumferentially spaced along rotor, and described oil duct is axial
Run through rotor 3, rotor 3 is provided with at least two circle oil ducts, between outer end and the motor housing inwall of described rotor, was provided with oil
Passage 28, is provided with the 3rd oil pocket 29 between the outer end of central shaft and oil interface, described cross oil passage 28 by the 3rd bearing 7 with
3rd oil pocket 29 is connected, and is provided with spill port 30, described oil excessively passage the 28, the 3rd oil pocket 29, oil back chamber in the bottom of motor housing
30 are sequentially connected logical, and described oil back chamber 30 is connected with oil pump 1.
Described decelerator is cycloidal reducer, it eccentric bushing 20, two including reducer shell 11, being set in outside central shaft
Individual clutch shaft bearing 8, eccentric 9, export trade 10, rotating shaft 17, described central shaft 16 is connected with decelerator by bearing group, described bearing
Group includes that two clutch shaft bearings the 8, second bearing 15, the first oil pocket 22 are connected by three bearings successively with the oil outlet 24 of decelerator
Logical.
Its oil circuit cooling circuit is: the cooling oil exported by oil pump 1 flows into oil interface 6 by flexible pipe, and flows into central shaft
The oily passage 21 of 16 ensures that lubricating oil flows wherein and simultaneously works as lubrication and the function of heat radiation.Due to oil pump 1 pressure effect, from
The lubricating oil that oil passage 21 flows out flows to the second bearing 15 by the first oil pocket 22, takes away second while lubricating the second bearing 15
The heat that bearing 15 produces.Lubricating oil flows successively through two groups of clutch shaft bearings 8 after flowing through the second bearing 15, lubrication clutch shaft bearing 8 is also
Take away heat.After flowing through bearing group, lubricating oil is by entering rotor 3, rotor after oil outlet 24 and the second oil pocket 25
Two circle oil ducts 27 are had respectively, it is ensured that lubricating oil can take away the heat on rotor equably on 3.Flow through the profit after rotor 3
Lubricating oil, was on the one hand flowed to oil passage 28 due to action of gravity, and was re-entered in oil pump 1 by lower section oil back chamber 30；Separately
On the one hand part, enters the 3rd oil pocket 29 by the 3rd bearing 7, takes away what the 3rd bearing 7 produced while lubrication the 3rd bearing 7
Heat, then flow into oil back chamber 30 by the 3rd bearing 7 by crossing oil passage 28.
Claims (7)
1. a motor lubricating and cooling, including motor housing, motor inner shell, central shaft, the rotor being connected with central shaft and
The stator that rotor arranges mutually, described rotor is cantilever structure, forms concave shaped space in its one end, is installed in concave shaped space
Decelerator, described central shaft is connected with decelerator by bearing group, and described central shaft is as the input of decelerator, with decelerator
The hub connection member that rotating shaft is connected is as outfan, it is characterised in that: the upper connection at motor housing has oily interface, described oil to connect
Mouth one end is connected with the oil pump being arranged on outside motor housing, and the other end is connected with the oily passage arranged in central shaft, described
Central shaft extends in the endoporus of output shaft, and and the endoporus inner face of output shaft between be provided with the first oil pocket, described first oil
Chamber is connected with the oily passage on central shaft, is provided with oil outlet on decelerator, described sets between rotor and reducer shell
The second oil pocket, described first oil pocket and the second oil pocket is had to be connected by bearing group and oil outlet, described second oil pocket and setting
Oil duct on rotor is connected, and is provided with oil passage, at motor housing between outer end and the motor housing inwall of described rotor
Bottom be provided with oil back chamber, described oil passage of crossing is sequentially connected logical with oil back chamber, and described oil back chamber is connected with oil pump.
A kind of motor lubricating and cooling the most according to claim 1, it is characterised in that: described decelerator is cycloid reduction
Device, it includes reducer shell, the eccentric bushing being set in outside central shaft, two clutch shaft bearings, eccentric, rotating shafts, described center
Axle and rotating shaft are by the second bearing and rotating shaft phase configuration, and described bearing group includes two clutch shaft bearings, the second bearing, the first oil pocket
It is sequentially communicated by three bearings with the oil outlet of decelerator.
A kind of motor lubricating and cooling the most according to claim 1 and 2, it is characterised in that: the outer end of central shaft with
Oil interface between be provided with the 3rd oil pocket, the outer end of described central shaft by the 3rd bearings on electric machine casing, described the most oily
Passage is connected by the 3rd bearing and the 3rd oil pocket.
A kind of motor lubricating and cooling the most according to claim 1 and 2, it is characterised in that: the oil that described oil pump pumps out
For hydraulic oil.
A kind of motor lubricating and cooling the most according to claim 1 and 2, it is characterised in that: it is provided with axle on center shaft
Shoulder, for the axial limiting to decelerator, described second oil pocket is by the shaft shoulder of central shaft, the concave shaped space of rotor, reducing gearbox
Body encloses and forms.
A kind of motor lubricating and cooling the most according to claim 1 and 2, it is characterised in that: described oil duct is along rotor week
Arranging to interval, described oil duct axially penetrates through rotor, is provided with at least one circle passage on rotor.
A kind of motor lubricating and cooling the most according to claim 1 and 2, it is characterised in that: described oil pump is by controlling
Device controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642845.XA CN106100205A (en) | 2016-08-08 | 2016-08-08 | A kind of motor lubricating and cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642845.XA CN106100205A (en) | 2016-08-08 | 2016-08-08 | A kind of motor lubricating and cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106100205A true CN106100205A (en) | 2016-11-09 |
Family
ID=57453593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642845.XA Pending CN106100205A (en) | 2016-08-08 | 2016-08-08 | A kind of motor lubricating and cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106100205A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038951A (en) * | 2018-07-24 | 2018-12-18 | 上海大郡动力控制技术有限公司 | The cooling structure of new-energy automobile electrical drive power assembly |
| WO2019205694A1 (en) * | 2018-04-28 | 2019-10-31 | 合肥巨一动力系统有限公司 | Motor speed reducer integrated housing having cooling water channel |
| CN111033036A (en) * | 2017-06-30 | 2020-04-17 | 特斯拉公司 | Electric pump system and method |
| CN111049320A (en) * | 2019-12-18 | 2020-04-21 | 超音速智能科技(浙江)有限公司 | Single-phase permanent magnet motor |
| CN111480284A (en) * | 2017-12-18 | 2020-07-31 | 日本电产株式会社 | Motor unit and in-wheel motor |
| CN111512525A (en) * | 2017-12-28 | 2020-08-07 | 日本电产株式会社 | Motor unit |
| CN112383171A (en) * | 2020-10-13 | 2021-02-19 | 速珂智能科技（上海）有限公司 | Oil-cooling heat dissipation type electric vehicle motor |
| CN114982106A (en) * | 2020-01-16 | 2022-08-30 | 株式会社明电舍 | Rotary machine system |
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| US6329731B1 (en) * | 1999-08-10 | 2001-12-11 | The Swatch Group Management Services Ag | Driving unit including a liquid cooled electric motor and a planetary gear |
| US20030132673A1 (en) * | 2002-01-17 | 2003-07-17 | Shijian Zhou | Centrifugal liquid cooling system for an electric motor |
| JP2009209965A (en) * | 2008-02-29 | 2009-09-17 | Nissan Motor Co Ltd | Electromotive drive device |
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| CN102666172A (en) * | 2009-11-27 | 2012-09-12 | Ntn株式会社 | In-wheel motor drive device |
| CN102906969A (en) * | 2010-04-23 | 2013-01-30 | 株式会社Ihi | Rotating machine |
| CN105667296A (en) * | 2016-01-08 | 2016-06-15 | 武汉理工大学 | Integrated high-speed cycloidal wheel hub motor |
| CN205882943U (en) * | 2016-08-08 | 2017-01-11 | 武汉理工大学 | Motor lubrication and cooling device |
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2016
- 2016-08-08 CN CN201610642845.XA patent/CN106100205A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6329731B1 (en) * | 1999-08-10 | 2001-12-11 | The Swatch Group Management Services Ag | Driving unit including a liquid cooled electric motor and a planetary gear |
| US20030132673A1 (en) * | 2002-01-17 | 2003-07-17 | Shijian Zhou | Centrifugal liquid cooling system for an electric motor |
| JP2009209965A (en) * | 2008-02-29 | 2009-09-17 | Nissan Motor Co Ltd | Electromotive drive device |
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| CN102666172A (en) * | 2009-11-27 | 2012-09-12 | Ntn株式会社 | In-wheel motor drive device |
| CN102906969A (en) * | 2010-04-23 | 2013-01-30 | 株式会社Ihi | Rotating machine |
| CN105667296A (en) * | 2016-01-08 | 2016-06-15 | 武汉理工大学 | Integrated high-speed cycloidal wheel hub motor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111033036A (en) * | 2017-06-30 | 2020-04-17 | 特斯拉公司 | Electric pump system and method |
| CN111033036B (en) * | 2017-06-30 | 2022-08-09 | 特斯拉公司 | Electric pump system and method |
| CN111480284A (en) * | 2017-12-18 | 2020-07-31 | 日本电产株式会社 | Motor unit and in-wheel motor |
| CN111512525A (en) * | 2017-12-28 | 2020-08-07 | 日本电产株式会社 | Motor unit |
| WO2019205694A1 (en) * | 2018-04-28 | 2019-10-31 | 合肥巨一动力系统有限公司 | Motor speed reducer integrated housing having cooling water channel |
| CN109038951A (en) * | 2018-07-24 | 2018-12-18 | 上海大郡动力控制技术有限公司 | The cooling structure of new-energy automobile electrical drive power assembly |
| CN111049320A (en) * | 2019-12-18 | 2020-04-21 | 超音速智能科技(浙江)有限公司 | Single-phase permanent magnet motor |
| CN111049320B (en) * | 2019-12-18 | 2021-09-28 | 超音速智能科技(浙江)有限公司 | Single-phase permanent magnet motor |
| CN114982106A (en) * | 2020-01-16 | 2022-08-30 | 株式会社明电舍 | Rotary machine system |
| CN112383171A (en) * | 2020-10-13 | 2021-02-19 | 速珂智能科技（上海）有限公司 | Oil-cooling heat dissipation type electric vehicle motor |
| CN112383171B (en) * | 2020-10-13 | 2021-11-19 | 速珂智能科技（上海）有限公司 | Oil-cooling heat dissipation type electric vehicle motor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |