CN106533041A - IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor - Google Patents
IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN106533041A CN106533041A CN201710012233.7A CN201710012233A CN106533041A CN 106533041 A CN106533041 A CN 106533041A CN 201710012233 A CN201710012233 A CN 201710012233A CN 106533041 A CN106533041 A CN 106533041A
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- China
- Prior art keywords
- water
- permanent magnet
- synchronous motor
- magnet synchronous
- energy automobile
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- 125000004122 cyclic group Chemical group 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 5
- 238000001727 in vivo Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a water-cooling permanent magnet synchronous motor of a new energy automobile with an IP67 protection level, which comprises a shell, a front end cover and a rear end cover which are respectively fixed at two ends of the shell, wherein a first sealing ring groove is arranged at a seam allowance at two ends of the shell, the first sealing ring groove is embedded in the first sealing ring groove and then is respectively fastened with the front end cover and the rear end cover, and a circulating water channel with a water inlet and a water outlet is arranged in the shell body along the shell axial direction. The motor is small in size, light in weight, high in power density, excellent in heat dissipation, high in protection level, capable of improving overall performance, improving safety due to protection upgrading, prolonging service life and further improving overall performance.
Description
Technical field
The invention belongs to carry the permagnetic synchronous motor technical field of the passage or conduit for cooling medium stream, specifically relate to
And a kind of new-energy automobile water-cooling permanent magnet synchronous motor of IP67 degree of protection.
Background technology
It is with the rise of domestic and international New-energy electric vehicle, more next as the permagnetic synchronous motor of energy-saving electric machine Typical Representative
More cause the attention of people.Permagnetic synchronous motor is widely used in New-energy electric vehicle, and it is the power output of electric automobile
Core component.On New-energy electric vehicle, motor weight is too heavy, power density is little, to take up room mostly be urgently to be resolved hurrily
Problem, and motor is arranged on underbody portion, and use environment is complicated, motor radiating cooling, security protection are required it is more strict,
The air blast cooling motor of existing degree of protection IP55 can not meet use environment demand.Therefore, it is necessary to provide it is a kind of it is lightweight,
Power density is high, excellent heat radiation performance, and the New-energy electric vehicle water-cooling permanent magnet synchronous motor with high-protection level, so as to be lifted
The combination property of motor and New-energy electric vehicle, degree of protection and service life.
China discloses a kind of high-power water-cooling permanent magnet synchronous electric casing in authorizing utility model patent CN201160245Y
Body cooling structure, as shown in Figure 1,4 body of electric machine casing is provided with several through holes 43 of insertion both sides, adjacent holes
Between side wall on be provided with the groove 44 of connection holes, groove 44 will be successively staggeredly located at the both sides of 4 body of electric machine casing with will
Each through hole 43 connect into one into the enclosed flume with water inlet 41 and outlet 42, although good cooling results, but
The enclosed flume insertion sealing surface of the patent and end face, enclosed flume can stability be poor with the aging of sealing surface sealing gasket,
And said structure installs complicated.
The content of the invention
According to the deficiencies in the prior art, the present invention provides a kind of new-energy automobile water-cooling permanent magnet synchronization of IP67 degree of protection
A kind of motor, it is desirable to provide the high New-energy electric vehicle of small volume, high lightweight, power density, excellent heat radiation performance, degree of protection
With water-cooling permanent magnet synchronous motor, lifted motor overall performance, protection upgrading improves safety, increases service life, Jin Erti
Rise vehicle performance.
For achieving the above object, the present invention adopts following technical proposals:
A kind of new-energy automobile water-cooling permanent magnet synchronous motor of IP67 degree of protection, including casing, are separately fixed at casing two ends
Drive end bearing bracket and rear end cap, the two ends stop portion of the casing be provided with after the first seal groove embedded first sealing ring respectively with
Drive end bearing bracket and rear end cap fastening, the sheet of casing is in vivo along the axially arranged cyclic water channel with water inlet and outlet of casing.
Further, the cyclic water channel is S type cyclic water channels.
Further, the water inlet and outlet have interior processing screw thread, and water inlet is threadedly coupled with admitting pipe joint,
Outlet is threadedly coupled with titting water outlet.
Further, water-cooling permanent magnet synchronous motor also includes axle, the external peripheral surface coarser level of the axle be Ra3.2 with
On, the outside framework oil seal for further improving tightness is provided between axle and drive end bearing bracket.
Further, water-cooling permanent magnet synchronous motor also includes rosette and connector cover, the rosette and connector cover
Faying face is provided with sealing gasket.
Further, after the rear end cap faying face near rosette is provided with the second seal groove embedded second sealing ring
Fastened with rosette by screw.
Further, casing is prepared from using aluminium alloy.
Further, the coolant in cyclic water channel selects the mixed liquor of ethylene glycol or ethylene glycol and water.
The present invention is had the advantage that compared with prior art：
In the present invention, the small volume of New-energy electric vehicle water-cooling permanent magnet synchronous motor, lightweight, power density be high, radiating is excellent
Good, degree of protection is high.Cyclic water channel is arranged on the sheet of casing in vivo, does not expose end face, without using sealing gasket, will not be because old
Change problem causes seal failure and installs simple.The present invention adopts cooling by water mode, coolant adopt ethylene glycol or ethylene glycol+
Water mixed liquid, cooling effect are good, effectively reduce motor volume and weight, improve the power density of motor, greatly promote electricity
Machine performance and stability.Meanwhile, motor internal has more junction and arranges sealing gasket or sealing ring to increase sealing property, simply may be used
Lean on, with IP67 degree of protection, manufacturing cost is low, efficiency high, seal durability is long, maintenance and replacing are convenient.Always
For motor overall performance it is excellent, it is adaptable to severe complex environment（Such as underbody portion）, long service life.
Description of the drawings
Structural representations of the Fig. 1 for background technology；
Fig. 2 is the axonometric chart of the present invention；
Fig. 3 is the structural representation of the present invention；
Fig. 4 is the left view of the present invention；
Expanded schematic diagrams of the Fig. 5 for cyclic water channel；
Structural representations of the Fig. 6 for rotor.
Specific embodiment
Following embodiments are further illustrating using as the explaination to the technology of the present invention content for present invention, but
The present invention flesh and blood be not limited in described in following embodiments, one of ordinary skill in the art can with and should know appoint
What simple change or replacement based on true spirit all should belong to protection domain of the presently claimed invention.
The new-energy automobile water-cooling permanent magnet synchronous motor of IP67 degree of protection as in Figure 2-4, including casing 7, drive end bearing bracket
10th, rear end cap 5, rosette 3, sealing gasket 2, connector cover 1, the first sealing ring 6, the second sealing ring 4, stator 8, rotor 9, skeleton
Oil sealing 11, axle 12, cover plate 13, titting water outlet 14, admitting pipe joint 17, Waterproof connector of cable 15 and 16, power cable 18, control
Cable processed 19, bearing and rotary transformer etc. are constituted, and drive end bearing bracket 10 and rear end cap 5 are separately fixed at 7 two ends of casing, the machine
The two ends stop portion of shell 7 is fixed with drive end bearing bracket 10 and rear end cap 5 after being provided with the first seal groove embedded first sealing ring 6 respectively
The composition surface uniform application fluid sealant of connection, drive end bearing bracket 10 and rear end cap 5, tightens trip bolt；Rotary transformer rotor is filled
In the reserved installation site of rear end cap and axle.Casing 7 is i.e. axially arranged with water inlet along casing 7 between surfaces externally and internally in vivo
The cyclic water channel 70 of mouth 71 and outlet 72, cyclic water channel 70 are S type cyclic water channels, are conducive to increasing contact area, improve cold
But effect, referring to Fig. 5, the coolant of cyclic water channel 70 adopts ethylene glycol or ethylene glycol+water mixed liquid, the water inlet 71 and goes out
There is interior processing screw thread at the mouth of a river 72, and water inlet 71 is threadedly coupled with admitting pipe joint 17, outlet 72 and 14 spiral shell of titting water outlet
Stricture of vagina connects.Stator 8 adopts hot jacket assembly technology, stator 8 to be included in water channel flow range with water-cooled casing 7, to ensure cooling
Effect；Matched somebody with somebody using shrink-on referring to Fig. 6, rotor 9, bearing and axle 12 by V-type rule arrangement permanent magnet inside rotor 9.
The external peripheral surface coarser level of the axle 12 is more than Ra3.2, is provided with for entering between axle 12 and drive end bearing bracket 10
One step improves the outside framework oil seal 11 of tightness, and outside framework oil seal 11 adopts TC type outsourcing outside framework oil seals, the sealing lip of outside framework oil seal 11
And axial plane smears grease, the outside capping plate 13 of outside framework oil seal 11 is simultaneously fastened by screw, is led between axle 12 and drive end bearing bracket 10
Cross and be arranged such the raising for being conducive to tightness.The rosette 3 and 1 faying face of connector cover are provided with sealing gasket 2, and composition surface is equal
It is even to smear fluid sealant, tighten trip bolt.5 faying face of rear end cap near rosette 3 is provided with the second seal groove and is embedded in
It is fixedly connected with rosette 3 by screw after second sealing ring 4, rosette 3 is sealed with the composition surface uniform application of rear end cap 5
Glue, tightens trip bolt.Power cable 18, control 19 outlet of cable are entered with the Waterproof connector of cable 15 and 16 of corresponding specification respectively
Row fixing seal.Meanwhile, casing 7 is prepared from using aluminium alloy, strong light-weight.
The water-cooling permanent magnet synchronous motor of the present invention is carried out into leakage test：Motor is submerged in into the 30min under water of depth of water 1m
After tear machine check open.Tear machine check open and find that inside reaches IP67 degree of protection without infiltration.
Claims (8)
1. a kind of new-energy automobile water-cooling permanent magnet synchronous motor of IP67 degree of protection, including casing（7）, it is separately fixed at casing
（7）The drive end bearing bracket at two ends（10）And rear end cap（5）, it is characterised in that the casing（7）Two ends stop portion be provided with the first sealing
Ring recess embedded first sealing ring（6）Afterwards respectively with drive end bearing bracket（10）And rear end cap（5）Fastening, along casing（7）Axially arranged band
There is water inlet（71）And outlet（72）Cyclic water channel（70）It is arranged on casing（7）This is in vivo.
2. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 1, its feature
It is, the cyclic water channel（70）For S type cyclic water channels.
3. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 1, its feature
It is, the water inlet（71）And outlet（72）There are interior processing screw thread, water inlet（71）With admitting pipe joint（17）Screw thread
Connection, outlet（72）With titting water outlet（14）Threaded connection.
4. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 1, water-cooled is forever
Magnetic-synchro motor also includes axle（12）, it is characterised in that the axle（12）External peripheral surface coarser level be more than Ra3.2,
Axle（12）And drive end bearing bracket（10）Between be provided with for further improve tightness outside framework oil seal（11）.
5. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 1, water-cooled is forever
Magnetic-synchro motor also includes rosette（3）And connector cover（1）, it is characterised in that the rosette（3）And connector cover（1）
Faying face is provided with sealing gasket（2）.
6. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 4, its feature
It is, near rosette（3）Rear end cap（5）Faying face is provided with the second seal groove embedded second sealing ring（4）After lead to
Cross screw and rosette（3）Fastening.
7. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 1, its feature
It is, casing（7）It is prepared from using aluminium alloy.
8. the new-energy automobile water-cooling permanent magnet synchronous motor of a kind of IP67 degree of protection according to claim 1, its feature
It is, cyclic water channel（70）Interior coolant selects the mixed liquor of ethylene glycol or ethylene glycol and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012233.7A CN106533041A (en) | 2017-01-08 | 2017-01-08 | IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012233.7A CN106533041A (en) | 2017-01-08 | 2017-01-08 | IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106533041A true CN106533041A (en) | 2017-03-22 |
Family
ID=58336789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012233.7A Pending CN106533041A (en) | 2017-01-08 | 2017-01-08 | IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533041A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768050A (en) * | 2018-05-24 | 2018-11-06 | 上海上涵自动化科技有限公司 | A kind of water pump water-cooling permanent magnet high efficiency motor |
| CN108768084A (en) * | 2018-08-01 | 2018-11-06 | 江西博致电子技术有限公司 | A kind of motor with electromagnetic shielding set |
| CN109104030A (en) * | 2018-09-06 | 2018-12-28 | 南京越博电驱动系统有限公司 | A kind of electric machine controller water cooling casing for electric car |
| CN109245396A (en) * | 2018-11-19 | 2019-01-18 | 中国船舶重工集团公司第七0四研究所 | underwater propulsion motor sealing structure |
| CN109412312A (en) * | 2018-12-19 | 2019-03-01 | 宁夏西北骏马电机制造股份有限公司 | Low seam mining machinery motor and the method for improving motor utilization rate |
| CN109861433A (en) * | 2019-04-02 | 2019-06-07 | 珠海凯邦电机制造有限公司 | Sealing structure of motor and motor |
| WO2020140585A1 (en) * | 2018-12-31 | 2020-07-09 | 卧龙电气集团股份有限公司 | Novel liquid-cooling permanent magnet motor having controller cooling function |
| CN111697737A (en) * | 2020-06-30 | 2020-09-22 | 重庆新登奇机电技术有限公司 | New energy automobile motor |
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| CN201118333Y (en) * | 2007-03-26 | 2008-09-17 | 深圳市金奇稀土电机有限公司 | Driving electromotor for water cooling electric car |
| CN102244447A (en) * | 2010-05-16 | 2011-11-16 | 襄阳宇清传动科技有限公司 | Three-phase AC (alternating current) PMSM (permanent magnet synchronous motor) for vehicle |
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| CN105262303A (en) * | 2015-11-25 | 2016-01-20 | 南京埃斯顿自动控制技术有限公司 | Permanent magnetic synchronous direct drive motor for rail transit |
| CN206332555U (en) * | 2017-01-08 | 2017-07-14 | 合肥国轩高科动力能源有限公司 | IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor |
-
2017
- 2017-01-08 CN CN201710012233.7A patent/CN106533041A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| CN201118333Y (en) * | 2007-03-26 | 2008-09-17 | 深圳市金奇稀土电机有限公司 | Driving electromotor for water cooling electric car |
| CN102244447A (en) * | 2010-05-16 | 2011-11-16 | 襄阳宇清传动科技有限公司 | Three-phase AC (alternating current) PMSM (permanent magnet synchronous motor) for vehicle |
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| CN206332555U (en) * | 2017-01-08 | 2017-07-14 | 合肥国轩高科动力能源有限公司 | IP67 protection-level new energy automobile water-cooling permanent magnet synchronous motor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768050A (en) * | 2018-05-24 | 2018-11-06 | 上海上涵自动化科技有限公司 | A kind of water pump water-cooling permanent magnet high efficiency motor |
| CN108768084A (en) * | 2018-08-01 | 2018-11-06 | 江西博致电子技术有限公司 | A kind of motor with electromagnetic shielding set |
| CN109104030A (en) * | 2018-09-06 | 2018-12-28 | 南京越博电驱动系统有限公司 | A kind of electric machine controller water cooling casing for electric car |
| CN109245396A (en) * | 2018-11-19 | 2019-01-18 | 中国船舶重工集团公司第七0四研究所 | underwater propulsion motor sealing structure |
| CN109245396B (en) * | 2018-11-19 | 2024-04-30 | 中国船舶重工集团公司第七0四研究所 | Sealing structure of underwater propulsion motor |
| CN109412312A (en) * | 2018-12-19 | 2019-03-01 | 宁夏西北骏马电机制造股份有限公司 | Low seam mining machinery motor and the method for improving motor utilization rate |
| WO2020140585A1 (en) * | 2018-12-31 | 2020-07-09 | 卧龙电气集团股份有限公司 | Novel liquid-cooling permanent magnet motor having controller cooling function |
| CN109861433A (en) * | 2019-04-02 | 2019-06-07 | 珠海凯邦电机制造有限公司 | Sealing structure of motor and motor |
| CN109861433B (en) * | 2019-04-02 | 2024-09-24 | 珠海凯邦电机制造有限公司 | Sealing structure of motor and motor |
| CN111697737A (en) * | 2020-06-30 | 2020-09-22 | 重庆新登奇机电技术有限公司 | New energy automobile motor |
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| PB01 | Publication | ||
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Application publication date: 20170322 |