CN107666193A - A kind of new energy electric automobile motor rotor punching - Google Patents
A kind of new energy electric automobile motor rotor punching Download PDFInfo
- Publication number
- CN107666193A CN107666193A CN201710940431.XA CN201710940431A CN107666193A CN 107666193 A CN107666193 A CN 107666193A CN 201710940431 A CN201710940431 A CN 201710940431A CN 107666193 A CN107666193 A CN 107666193A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- steel groove
- punching
- groove
- new energy
- 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
- 238000004080 punching Methods 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 230000005291 magnetic effect Effects 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of new energy electric automobile motor rotor punching, include the punching body of circle, multigroup circumferentially equally distributed magnet steel groove is provided with the inside of the edge of the punching body, every group of magnet steel groove includes magnet steel groove one, magnet steel groove two and magnet steel groove three, the magnet steel groove one and magnet steel groove two are in the shape of the letter V symmetrical, the magnet steel three is between the magnet steel groove one and magnet steel groove two, three distribution triangular in shape of magnet steel groove one, magnet steel groove two and magnet steel groove, the middle part of the punching body is provided with axis hole, and multiple slotted eyes are additionally provided between axis hole and magnet steel groove.The present invention is calculated using electromagnetism classical theory and finite element fully optimizes this punching, reasonable in design, electric efficiency is improved 10%, motor weight reduces 25%.Using motor performance made of rotor punching provided by the invention is reliable, efficiency high, small volume, cost are low.
Description
Technical field
Patent of the present invention is related to a kind of motor part, and in particular to a kind of new energy electric automobile motor rotor punching.
Background technology
Motor is widely used in the various electric equipments of industrial production and life, existing motor have stator with
And rotor, armature spindle is installed in the rotor and rotated with the rotation of rotor, and thus exports power.The permanent magnet of rotor structure
Positioned at internal rotor, have between permanent magnetism external surface and stator core inner circle made of ferromagnetic material (being typically lamination silicon steel sheet)
Pole shoe, so as to help that the overload capacity and power density of motor are improved using reluctance torque, and it is easy to weak magnetism speed expansion.Cause
This such rotor is widely used by magneto institute.
Current Rare-earth PMSM Rotor Structure punching, because rotor punching structure designs not reasonable, electric motor starting
After can not smoothly pull in operating.Because rotor punching structure design is not reasonable, bring magnetic intensity is unreasonable to cause to block up
Square of walking around is bigger than normal, meanwhile, it can make counter electromotive force is unreasonable to cause not economize on electricity again.
The content of the invention
For deficiency of the prior art, the invention provides a kind of new energy electric automobile motor rotor punching.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of new energy electric automobile motor rotor punching, including circular punching body, the edge inner side of the punching body
Provided with multigroup circumferentially equally distributed magnet steel groove, every group of magnet steel groove includes magnet steel groove one, magnet steel groove two and magnet steel groove three, described
Magnet steel groove one and magnet steel groove two are in the shape of the letter V symmetrical, and the magnet steel three is between the magnet steel groove one and magnet steel groove two, magnetic
Three distribution triangular in shape of steel tank one, magnet steel groove two and magnet steel groove, the middle part of the punching body is provided with axis hole, in axis hole and magnet steel
Multiple slotted eyes are additionally provided between groove.
Preferably, the symmetry axis of the magnet steel groove one and magnet steel groove two passes through the center of circle of the punching body.
Preferably, the slotted eye is the sector that outside carries arc groove.
Preferably, the quantity of slotted eye and the group number of magnet steel groove are identical on the punching body, and on the outside of the slotted eye
Arc groove is located between two adjacent groups magnet steel groove.
Preferably, 12 groups of magnet steel grooves are provided with the punching body altogether.
Preferably, the angle between the magnet steel groove one and magnet steel groove two is 120-150 degree.
Preferably, it is additionally provided with multiple heat emission holes on the punching body.
Preferably, multiple positioning convex are additionally provided with the axis hole.
The beneficial effects of the invention are as follows：
The present invention is calculated using electromagnetism classical theory and finite element fully optimizes this punching, reasonable in design, improves electric efficiency
10%, motor weight reduces 25%.Using motor performance made of rotor punching provided by the invention is reliable, efficiency high, small volume,
Cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Reference numerals list：
1- rotor bodies；2- magnet steel groove one；3- magnet steel groove two；4- magnet steel groove three；5- axis holes；6- slotted eyes；7- arc grooves；8- dissipates
Hot hole；9- positioning convex.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description：
As shown in figure 1, a kind of new energy electric automobile motor rotor punching, including circular punching body, the punching body
Edge on the inside of be provided with multigroup circumferentially equally distributed magnet steel groove, every group of magnet steel groove includes magnet steel groove 1, the and of magnet steel groove 23
Magnet steel groove 34, the magnet steel groove 1 and magnet steel groove 23 are in the shape of the letter V symmetrical, and the magnet steel three is located at the magnet steel groove 1
Between magnet steel groove 23,34 distribution triangular in shape of magnet steel groove 1, magnet steel groove 23 and magnet steel groove, the middle part of the punching body
Provided with axis hole 5, multiple slotted eyes 6 are additionally provided between axis hole 5 and magnet steel groove.
Preferably, the symmetry axis of the magnet steel groove 1 and magnet steel groove 23 passes through the center of circle of the punching body.
Preferably, the slotted eye 6 is the sector that outside carries arc groove 7.
Preferably, the quantity of slotted eye 6 and the group number of magnet steel groove are identical on the punching body, and the outside of the slotted eye 6
Arc groove 7 be located between two adjacent groups magnet steel groove.
Preferably, 12 groups of magnet steel grooves are provided with the punching body altogether.
Preferably, the angle between the magnet steel groove 1 and magnet steel groove 23 is 120-150 degree.
Preferably, multiple heat emission holes 8 are additionally provided with the punching body.
Preferably, multiple positioning convex 9 are additionally provided with the axis hole 5.
The present invention is calculated using electromagnetism classical theory and finite element fully optimizes this punching, reasonable in design, makes electric efficiency
10% is improved, motor weight reduces 25%.Using motor performance made of rotor punching provided by the invention is reliable, efficiency high, body
Product is small, cost is low.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of new energy electric automobile motor rotor punching, it is characterised in that include the punching body of circle, the punching sheet
Multigroup circumferentially equally distributed magnet steel groove is provided with the inside of the edge of body, every group of magnet steel groove includes magnet steel groove one, the and of magnet steel groove two
Magnet steel groove three, the magnet steel groove one and magnet steel groove two are in the shape of the letter V symmetrical, and the magnet steel three is located at the magnet steel groove one and magnetic
Between steel tank two, three distribution triangular in shape of magnet steel groove one, magnet steel groove two and magnet steel groove, the middle part of the punching body is provided with axle
Hole, multiple slotted eyes are additionally provided between axis hole and magnet steel groove.
2. new energy electric automobile motor rotor punching as claimed in claim 1, it is characterised in that the magnet steel groove one and magnetic
The symmetry axis of steel tank two passes through the center of circle of the punching body.
3. new energy electric automobile motor rotor punching as claimed in claim 1, it is characterised in that the slotted eye is outer side band
There is the sector of arc groove.
4. new energy electric automobile motor rotor punching as claimed in claim 3, it is characterised in that groove on the punching body
The quantity in hole is identical with the group number of magnet steel groove, and the arc groove on the outside of the slotted eye is located between two adjacent groups magnet steel groove.
5. new energy electric automobile motor rotor punching as claimed in claim 1, it is characterised in that on the punching body altogether
Provided with 12 groups of magnet steel grooves.
6. new energy electric automobile motor rotor punching as claimed in claim 1, it is characterised in that the magnet steel groove one and magnetic
Angle between steel tank two is 120-150 degree.
7. new energy electric automobile motor rotor punching as claimed in claim 1, it is characterised in that on the punching body also
Provided with multiple heat emission holes.
8. new energy electric automobile motor rotor punching as claimed in claim 1, it is characterised in that be additionally provided with the axis hole
Multiple positioning convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940431.XA CN107666193A (en) | 2017-10-11 | 2017-10-11 | A kind of new energy electric automobile motor rotor punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940431.XA CN107666193A (en) | 2017-10-11 | 2017-10-11 | A kind of new energy electric automobile motor rotor punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107666193A true CN107666193A (en) | 2018-02-06 |
Family
ID=61097969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710940431.XA Pending CN107666193A (en) | 2017-10-11 | 2017-10-11 | A kind of new energy electric automobile motor rotor punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107666193A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019174328A1 (en) * | 2018-03-16 | 2019-09-19 | 珠海格力电器股份有限公司 | Rotor structure and motor having same |
| CN112953152A (en) * | 2021-03-23 | 2021-06-11 | 台铃科技(江苏)股份有限公司 | High salient pole ratio permanent magnet motor for electric motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025248A (en) * | 2009-09-18 | 2011-04-20 | 德昌电机(深圳)有限公司 | Motor used for power system of electric vehicle |
| CN204334147U (en) * | 2014-12-27 | 2015-05-13 | 江苏安捷机电技术有限公司 | The punching of in-line four groove Rare-earth PMSM Rotor Structure |
| CN204334146U (en) * | 2014-12-27 | 2015-05-13 | 无锡新启源电机技术有限公司 | The punching of V-arrangement eight groove Rare-earth PMSM Rotor Structure |
| CN104767305A (en) * | 2015-04-24 | 2015-07-08 | 永济新时速电机电器有限责任公司 | Novel rotor of permanent magnet motor |
| CN105186741A (en) * | 2014-05-27 | 2015-12-23 | 比亚迪股份有限公司 | Motor rotor and motor therewith |
| CN204992999U (en) * | 2015-07-24 | 2016-01-20 | 西安正麒电气有限公司 | Built -in permanent -magnet machine rotor punching |
| CN206283343U (en) * | 2016-12-22 | 2017-06-27 | 温岭市九洲电机制造有限公司 | A kind of punching of permanent magnet machine rotor |
| CN207819576U (en) * | 2017-10-11 | 2018-09-04 | 江苏一东航空机械有限公司 | A kind of new energy electric automobile motor rotor punching |
-
2017
- 2017-10-11 CN CN201710940431.XA patent/CN107666193A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025248A (en) * | 2009-09-18 | 2011-04-20 | 德昌电机(深圳)有限公司 | Motor used for power system of electric vehicle |
| CN105186741A (en) * | 2014-05-27 | 2015-12-23 | 比亚迪股份有限公司 | Motor rotor and motor therewith |
| CN204334147U (en) * | 2014-12-27 | 2015-05-13 | 江苏安捷机电技术有限公司 | The punching of in-line four groove Rare-earth PMSM Rotor Structure |
| CN204334146U (en) * | 2014-12-27 | 2015-05-13 | 无锡新启源电机技术有限公司 | The punching of V-arrangement eight groove Rare-earth PMSM Rotor Structure |
| CN104767305A (en) * | 2015-04-24 | 2015-07-08 | 永济新时速电机电器有限责任公司 | Novel rotor of permanent magnet motor |
| CN204992999U (en) * | 2015-07-24 | 2016-01-20 | 西安正麒电气有限公司 | Built -in permanent -magnet machine rotor punching |
| CN206283343U (en) * | 2016-12-22 | 2017-06-27 | 温岭市九洲电机制造有限公司 | A kind of punching of permanent magnet machine rotor |
| CN207819576U (en) * | 2017-10-11 | 2018-09-04 | 江苏一东航空机械有限公司 | A kind of new energy electric automobile motor rotor punching |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019174328A1 (en) * | 2018-03-16 | 2019-09-19 | 珠海格力电器股份有限公司 | Rotor structure and motor having same |
| CN112953152A (en) * | 2021-03-23 | 2021-06-11 | 台铃科技(江苏)股份有限公司 | High salient pole ratio permanent magnet motor for electric motor |
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