CN108258850A - The double cooling systems of motor grease - Google Patents
The double cooling systems of motor grease Download PDFInfo
- Publication number
- CN108258850A CN108258850A CN201810219930.4A CN201810219930A CN108258850A CN 108258850 A CN108258850 A CN 108258850A CN 201810219930 A CN201810219930 A CN 201810219930A CN 108258850 A CN108258850 A CN 108258850A
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- CN
- China
- Prior art keywords
- motor
- inner cavity
- gear
- oil
- box
- 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.)
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Classifications
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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
Abstract
The present invention provides a kind of double cooling systems of motor grease, including motor, gear-box, water cooling subsystem and oil cooling subsystem；The water cooling subsystem is set on the surface of the motor；The motor is equipped with inner cavity, the gear-box is equipped with inner cavity, the inner cavity of the motor and the inner cavity of gear-box are communicated with pipeline road and oil return line, and the lubricating oil in the inner cavity of the motor and the inner cavity of gear-box is formed circulation loop by the pipeline road and oil return line.The present invention passes through the water cooling subsystem on motor casing, the heat that the heat and electric machine iron core that motor stator winding is generated generate is taken away, in oil cooling subsystem, there is lubricating oil in gear-box, lubricating oil iterative cycles between the inner cavity of gear-box and the inner cavity of motor, the heat of motor stator winding end is transmitted to inside gear-box, improves the heat dissipation effect of motor.
Description
Technical field
The present invention relates to a kind of electromotor cooling systems, refer in particular to a kind of double cooling systems of motor grease.
Background technology
At present, the motor of conventional new energy electric motor vehicle only has water-cooling system, winding and the electric machine iron core generation of motor
Heat is transmitted to the casing of motor, the cold water in casing water cooled pipeline, under the action of water pump, realizes heat exchange, and motor
For stator winding end due to not being in direct contact with motor casing, the heat that electronics winding overhang generates can only pass through air transmitted to machine
Shell, but the effect of air conduction is poor, the temperature that cannot be exchanged to the external world in time, lead to machine winding of electric motor winding end
It is excessively high.Accordingly, it is desirable to provide a kind of cooling system that can improve the machine winding heat dissipation effect inside motor.
Invention content
The technical problems to be solved by the invention are：There is provided a kind of motor grease double cooling systems.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of double cooling systems of motor grease, including
Motor, gear-box, water cooling subsystem and oil cooling subsystem；
The water cooling subsystem is set on the surface of the motor；
The motor is equipped with inner cavity, and the gear-box is equipped with inner cavity, and the inner cavity of the motor is connected with the inner cavity of gear-box
There are pipeline road and oil return line, the pipeline road and oil return line will be in the inner cavities of the motor and the inner cavity of gear-box
Lubricating oil forms circulation loop.
Further, the pipeline road of the inner cavity of the motor is connected with atomizing fuel spray nozzle.
Further, the motor includes stator winding, and the atomizing fuel spray nozzle is set on the lower section of the stator winding.
Further, the oil outlet of the atomizing fuel spray nozzle is towards the end of the stator winding.
Further, the bottom of the motor cavity is equipped with oil return opening, and the oil return opening is connect with the oil return line, institute
Oil return opening is stated equipped with oil strain mouth.
Further, the inner cavity bottom side of the motor was equipped with oil groove, the slot radius for crossing oil groove 3~5mm it
Between.
Further, it is respectively equipped with oil pump on the pipeline road and oil return line.
Further, the motor is equipped with output shaft, and the output shaft is engaged with the gear-box.
Further, the output shaft is hollow shaft, and the output shaft is communicated with the inner cavity of the gear-box, the motor
Output sleeve be equipped with bearing, the position that is arranged of the output shaft and the bearing offers through-hole.
Further, the motor includes drive end bearing bracket, and the gear-box is installed on the drive end bearing bracket.
The beneficial effects of the present invention are：By the water-cooling system on motor casing, the heat that motor stator winding is generated
The heat generated with electric machine iron core is taken away, and in oil cooling system, has lubricating oil in gear-box, lubricating oil is in the inner cavity of gear-box and electricity
The heat of motor stator winding end is transmitted to inside gear-box by iterative cycles between the inner cavity of machine, improves the heat dissipation of motor
Effect.
Description of the drawings
The concrete structure of the present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is the internal structure chart of the present invention；
Fig. 3 is the overall perspective view of the present invention；
Fig. 4 crosses tank structure figure for the present invention's；
1- water cooling subsystems；2- oil cooling subsystems；3- motors；4- gear-boxes；5- atomizing fuel spray nozzles；6- water cooling water inlets；
The end of 7- stator winding；8- stator winding；9- pipeline roads；The end of 10- stator winding；11- atomizing fuel spray nozzles；12- oil
Pump；13- rear end caps；14- through-holes；15- rotors；The inner cavity bottom side of 16- motors；17- water cooling water outlets；18- motor casings；19- is filtered
Oil nozzle；20- crosses oil groove；21- oil return lines；22- output shafts；23- drive end bearing brackets；24- through-holes.
Specific embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is coordinated to be explained in detail.
With reference to figure 1, a kind of double cooling systems of motor grease, water cooling subsystem 1, flowing signal direction of the arrow for cold water, water
Refrigeration subsystem is located on the motor casing of motor；Oil cooling subsystem 2, arrow direction are illustrated for the loop direction of oil cooling, oil cooling system
Set on the inner cavity of motor, intermediate arrow represents output shaft of the lubricating oil by motor, and bearing is lubricated.
With reference to figure 2, the double cooling systems of a kind of motor grease, including motor 3, gear-box 4, water cooling subsystem 1 and oil cooling subsystem
System 2；The water cooling subsystem 1 is set on the surface of the motor 3；The motor 3 is equipped with inner cavity, and the gear-box 4 is equipped with inner cavity,
The inner cavity of the motor 3 is communicated with pipeline road 9 and oil return line 21, the pipeline road 9 and oil return with the inner cavity of gear-box 4
Lubricating oil in the inner cavity of the motor 3 and the inner cavity of gear-box 4 is formed circulation loop by pipeline 21.
The water circulating pipe of water cooling subsystem 1 is set on motor casing 18, and motor casing is equipped with water cooling water inlet 6 and water cooling goes out
The mouth of a river 17, water cooling subsystem 1 can be obtained effectively to cool down to motor casing 18, and motor 3 is equipped with output shaft 22, output shaft 22 and gear-box
4 are engaged, and gear set is equipped in gear-box 4, lubricating oil is housed in gear-box, will by pipeline road 9 and oil return line 21
Circulation loop is formed between the inner cavity of motor 3 and the inner cavity of gear-box 4, using the lubricating oil of gear-box 4, is delivered lubricating oil to
Inside motor 3, lubricating oil is sprayed onto the end of stator winding 8 or the end face of high-speed rotating rotor 15, and lubricating oil is in rotor 15
Centrifugal force effect under, be thrown to the end 7 of stator winding, be adequately cooled the end 7 of stator winding, lubricating oil is in gravity
Gather the inner cavity bottom side 16 of motor under effect, by oil return line 21, return to the inner cavity of gear-box 4, realize heat exchange, improve
The heat dissipation effect of electric motor winding end 7.
Embodiment one
With reference to figure 2, Fig. 3, the pipeline road 9 of the inner cavity of the motor 3 is connected with atomizing fuel spray nozzle 5, by being atomized oil spout
Lubricating oil atomization is ejected into stator winding 8 by mouth 5, on the end 7 of stator winding and rotor 15, increases the contact of lubricating oil
Area can improve heat dissipation effect.
Embodiment two
With reference to figure 2, motor 3 includes drive end bearing bracket 23 and rear end cap 13, and mist is mounted on drive end bearing bracket 23 and rear end cap 13
Change atomizer 5,11, the motor 3 includes stator winding 8, and the atomizing fuel spray nozzle 5 is set on the lower section of the stator winding 8,
Improve the heat dissipation effect of stator winding.
Embodiment three
With reference to figure 2, the oil outlet of the atomizing fuel spray nozzle 5 is towards the end 7 of the stator winding, a large amount of lubricating oil energy
It is enough to be contacted with the end 10 of stator winding, the heat of the end 7 of stator winding is taken away.
Example IV
With reference to figure 2, the bottom of the motor cavity is equipped with oil return opening, and the oil return opening is connect with the oil return line 21,
The oil return opening is equipped with oil strain mouth 19, and lubricating oil under the effect of gravity, is gathered in the inner cavity bottom side of motor, is returned by oil strain mouth 19
To the inner cavity of gear-box 4.
Embodiment five
With reference to figure 2, Fig. 3, the inner cavity bottom side 16 of the motor was equipped with oil groove 20, and the lubricating oil for being injected in motor cavity exists
After crossing the filtering of oil groove 3, the inner cavity bottom side 16 of motor is gathered in, the slot radius for crossing oil groove 20 is between 3~5mm.
Embodiment six
With reference to figure 2, oil pump 12 is respectively equipped on the pipeline road 9 and oil return line 21.
Embodiment seven
With reference to figure 2, the motor is equipped with output shaft 22, and the output shaft 22 is engaged with the gear-box 4, the output of motor
The power output that axis 22 generates motor 3, the gear in gear-box 4 are engaged with the output shaft 22 of motor 3.
Embodiment eight
With reference to figure 2, the output shaft 22 is hollow shaft, and the output shaft 22 is communicated with the inner cavity of the gear-box 4, described
The output shaft 22 of motor 3 is arranged with bearing, and the position that is arranged of the output shaft 22 and the bearing offers through-hole 14, output shaft
22 when rotated, and under the influence of centrifugal force, lubricating oil enters output shaft 22, and bearing, profit are reached by the through-hole 14 of output shaft
Lubricating oil is lubricated bearing, can improve the service life of bearing.
Embodiment nine
With reference to figure 2, the motor includes drive end bearing bracket 23, and the gear-box 4 is installed on the drive end bearing bracket 4, gear-box 4
With 3 compatible front-end lid 23 of motor, the oil pump of oil return line 21 and pipeline road 9 is mountable to the drive end bearing bracket 23, Huo Zhe electricity of motor
On casing 18.
In conclusion by the water cooling subsystem on motor casing, heat and electric machine iron core that motor stator winding is generated
The heat of generation is taken away, and in oil cooling subsystem, has lubricating oil in gear-box, lubricating oil is in the inner cavity of gear-box and the inner cavity of motor
Between iterative cycles, the heat of motor stator winding end is transmitted to inside gear-box, improves the heat dissipation effect of motor.
Herein first, second ... only represents the differentiation of its title, what significance level and the position for not representing them have
It is different.
Herein, up, down, left, right, before and after only represents its relative position and does not indicate that its absolute position
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of double cooling systems of motor grease, it is characterised in that：Including motor, gear-box, water cooling subsystem and oil cooling subsystem；
The water cooling subsystem is set on the surface of the motor；
The motor is equipped with inner cavity, and the gear-box is equipped with inner cavity, and the inner cavity of the motor and the inner cavity of gear-box are communicated with defeated
Oil pipe line and oil return line, the pipeline road and oil return line are by the lubrication in the inner cavity of the motor and the inner cavity of gear-box
Oil forms circulation loop.
2. the double cooling systems of motor grease as described in claim 1, it is characterised in that：The pipeline road of the inner cavity of the motor connects
It is connected to atomizing fuel spray nozzle.
3. the double cooling systems of motor grease as claimed in claim 2, it is characterised in that：The motor includes stator winding, institute
State the lower section that atomizing fuel spray nozzle is set on the stator winding.
4. the double cooling systems of motor grease as claimed in claim 3, it is characterised in that：The oil outlet direction of the atomizing fuel spray nozzle
The end of the stator winding.
5. the double cooling systems of motor grease as described in claim 1, it is characterised in that：The bottom of the motor cavity is equipped with oil return
Mouthful, the oil return opening is connect with the oil return line, and the oil return opening is equipped with oil strain mouth.
6. the double cooling systems of motor grease as described in claim 1, it is characterised in that：The inner cavity bottom side of the motor was equipped with oil
Slot, the slot radius for crossing oil groove is between 3~5mm.
7. the double cooling systems of motor grease as described in claim 1, it is characterised in that：The pipeline road on oil return line with dividing
It She You not oil pump.
8. the double cooling systems of motor grease as described in claim 1, it is characterised in that：The motor is equipped with output shaft, described defeated
Shaft is engaged with the gear-box.
9. the double cooling systems of motor grease as claimed in claim 8, it is characterised in that：The output shaft is hollow shaft, described defeated
Shaft is communicated with the inner cavity of the gear-box, and the output sleeve of the motor is equipped with bearing, the output shaft and the bearing
It is arranged position and offers through-hole.
10. the double cooling systems of motor grease as claimed in claim 9, it is characterised in that：The motor includes drive end bearing bracket, described
Gear-box is installed on the drive end bearing bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219930.4A CN108258850A (en) | 2018-03-16 | 2018-03-16 | The double cooling systems of motor grease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219930.4A CN108258850A (en) | 2018-03-16 | 2018-03-16 | The double cooling systems of motor grease |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108258850A true CN108258850A (en) | 2018-07-06 |
Family
ID=62747126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810219930.4A Pending CN108258850A (en) | 2018-03-16 | 2018-03-16 | The double cooling systems of motor grease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108258850A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762026A (en) * | 2019-11-04 | 2020-02-07 | 中国船舶工业集团公司第七0八研究所 | Power-driven shafting system |
| CN110798022A (en) * | 2018-08-01 | 2020-02-14 | 中车株洲电力机车研究所有限公司 | Cooling device |
| CN112092607A (en) * | 2020-09-18 | 2020-12-18 | 中国第一汽车股份有限公司 | Hybrid cooling system of electric drive system and vehicle |
| CN112234770A (en) * | 2019-07-15 | 2021-01-15 | 华为技术有限公司 | Oil-cooled motor control device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203119699U (en) * | 2013-01-22 | 2013-08-07 | 西安正麒电气有限公司 | A motor cooling system |
| CN203574501U (en) * | 2013-09-26 | 2014-04-30 | 比亚迪股份有限公司 | Cooling motor |
| CN106655632A (en) * | 2017-03-15 | 2017-05-10 | 北京新能源汽车股份有限公司 | Oil cooling loop system, driving motor, power system and automobile |
| CN207896812U (en) * | 2018-03-16 | 2018-09-21 | 深圳派赛科技有限公司 | The double cooling systems of motor grease |
-
2018
- 2018-03-16 CN CN201810219930.4A patent/CN108258850A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203119699U (en) * | 2013-01-22 | 2013-08-07 | 西安正麒电气有限公司 | A motor cooling system |
| CN203574501U (en) * | 2013-09-26 | 2014-04-30 | 比亚迪股份有限公司 | Cooling motor |
| CN106655632A (en) * | 2017-03-15 | 2017-05-10 | 北京新能源汽车股份有限公司 | Oil cooling loop system, driving motor, power system and automobile |
| CN207896812U (en) * | 2018-03-16 | 2018-09-21 | 深圳派赛科技有限公司 | The double cooling systems of motor grease |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798022A (en) * | 2018-08-01 | 2020-02-14 | 中车株洲电力机车研究所有限公司 | Cooling device |
| CN112234770A (en) * | 2019-07-15 | 2021-01-15 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN112234770B (en) * | 2019-07-15 | 2022-01-14 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN110762026A (en) * | 2019-11-04 | 2020-02-07 | 中国船舶工业集团公司第七0八研究所 | Power-driven shafting system |
| CN112092607A (en) * | 2020-09-18 | 2020-12-18 | 中国第一汽车股份有限公司 | Hybrid cooling system of electric drive system and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
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| RJ01 | Rejection of invention patent application after publication |