CN206658113U - A kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle - Google Patents
A kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle Download PDFInfo
- Publication number
- CN206658113U CN206658113U CN201720376330.XU CN201720376330U CN206658113U CN 206658113 U CN206658113 U CN 206658113U CN 201720376330 U CN201720376330 U CN 201720376330U CN 206658113 U CN206658113 U CN 206658113U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- magnetic
- silicon steel
- rotating shaft
- magnetic shield
- 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.)
- Expired - Fee Related
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Classifications
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- 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
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle, including silicon steel sheet, ferrite magnetic steel, magnetic shield and rotating shaft；The silicon steel sheet is in cylindrical, is provided with multiple rectangular channels along radial direction on silicon steel sheet, rectangular channel is uniformly distributed on the outer peripheral face of silicon steel sheet；The ferrite magnetic steel is arranged in the rectangular channel of silicon steel sheet；The rotating shaft is arranged on the axial center of silicon steel sheet, and the cross section of rotating shaft is non-circular；The magnetic shield is cast between rotating shaft and silicon steel sheet.Magnetic shield direct pouring of the present utility model reduces leakage field in silicon steel sheet, simplifies assembly technology, and reduce cost；Meanwhile magnet steel uses ferrite magnetic steel, cost is further reduced.
Description
Technical field
It the utility model is related to a kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle.
Background technology
Traditional tangential magnetic field permanent-magnetic synchronous motor rotor includes rotating shaft, the silicon steel sheet that is sleeved in rotating shaft and in putting
Penetrate the magnet steel that shape is inlaid on silicon steel sheet.Relative to radial permanent magnet synchronous electric motor rotor, tangential magnetic field permanent magnetism used for electric vehicle is same
The air gap flux density that step rotor has is higher than radial permanent magnet synchronous electric motor rotor, can thus effectively improve going out for motor
Power, improve dynamic quality, therefore be more suitable for using on electric automobile.But tangential magnetic field permagnetic synchronous motor used for electric vehicle
Rotor assembling is complicated, and the leakage field of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle can increase with the increase of load
Greatly.In addition, the magnet steel that electric automobile uses at present is higher for alnico alloy magnet steel, cost.
Utility model content
The purpose of this utility model is to provide that a kind of cost is low, leakage field is small, the simple tangential magnetic field used for electric vehicle of assembling
Permanent-magnetic synchronous motor rotor,
Realizing the first technical scheme of the utility model purpose is：A kind of tangential magnetic field permanent magnet synchronous electric used for electric vehicle
Machine rotor, including silicon steel sheet, ferrite magnetic steel, magnetic shield and rotating shaft；The silicon steel sheet is in cylindrical, along radius side on silicon steel sheet
To multiple rectangular channels are provided with, rectangular channel is uniformly distributed on the outer peripheral face of silicon steel sheet；The ferrite magnetic steel is arranged on silicon steel sheet
Rectangular channel in；The rotating shaft is arranged on the axial center of silicon steel sheet, and the cross section of rotating shaft is non-circular；The magnetic shield pours
Casting is between rotating shaft and silicon steel sheet.
Multiple projections are evenly arranged with the outer peripheral face of the magnetic shield.
The material of the magnetic shield is aluminium.
Realizing second of technical scheme of the utility model purpose is：A kind of tangential magnetic field permanent magnet synchronous electric used for electric vehicle
Machine rotor, it is characterised in that：Including silicon steel sheet, ferrite magnetic steel, magnetic shield and rotating shaft；The silicon steel sheet is in cylinder, silicon steel
Multiple rectangular channels are provided with along radial direction on piece, rectangular channel is uniformly distributed on the outer peripheral face of silicon steel sheet；The ferrite magnetic steel
It is arranged in the rectangular channel of silicon steel sheet；The magnetic shield casts in the axial center of silicon steel sheet；The magnetic shield it is axial
Center is non-circular shaft mounting hole provided with cross section；The rotating shaft is arranged in the shaft mounting hole of magnetic shield.
Multiple projections are evenly arranged with the outer peripheral face of the magnetic shield.
The material of the magnetic shield is aluminium.
The first preferable technical scheme of the shaft mounting hole of the magnetic shield is：The shaft mounting hole of the magnetic shield
For through hole；The rotating shaft runs through the both ends end face of magnetic shield.
Second of preferable technical scheme of the shaft mounting hole of the magnetic shield be：The shaft mounting hole of the magnetic shield
Provided with two, two shaft mounting holes for respectively magnetic shield the upper shed of both ends end face blind hole；The rotating shaft is by two phases
Mutually independent part is formed, and two parts of rotating shaft are separately mounted in two shaft mounting holes.
Above-mentioned technical proposal is employed, the utility model has following beneficial effect：(1) magnetic shield of the present utility model
Direct pouring reduces leakage field in silicon steel sheet, simplifies assembly technology, and reduce cost；Meanwhile magnet steel uses ferrite
Magnet steel, cost is set further to reduce.
(2) multiple projections are evenly arranged with the outer peripheral face of magnetic shield of the present utility model, can effectively avoid magnetic shield with
Relatively rotated between silicon steel sheet.
(3) the utility model provides various structures, applied widely, can flexibly be selected according to actual conditions.
Brief description of the drawings
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail to the utility model, wherein
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is Fig. 1 right view.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle of the present embodiment, including silicon steel sheet 1,
Ferrite magnetic steel 2, magnetic shield 3 and rotating shaft 4.
Silicon steel sheet 1 is in cylindrical, is provided with multiple rectangular channels along radial direction on silicon steel sheet 1, rectangular channel is in the outer of silicon steel sheet 1
It is uniformly distributed on side face.Ferrite magnetic steel 2 is arranged in the rectangular channel of silicon steel sheet 1.Rotating shaft 4 is arranged on the axial of silicon steel sheet 1
Center, the cross section of rotating shaft 4 is non-circular.Magnetic shield 3 is cast between rotating shaft 4 and silicon steel sheet 1.On the outer peripheral face of magnetic shield 3
It is evenly arranged with multiple raised 31.The material of magnetic shield 3 is aluminium.
(embodiment 2)
The present embodiment is substantially the same manner as Example 1, and difference is：Magnetic shield 3 cast in silicon steel sheet 1 it is axial in
The heart.The axial center of magnetic shield 3 is non-circular shaft mounting hole provided with cross section.Shaft mounting hole is through hole.Rotating shaft 4 is pacified
In the shaft mounting hole of magnetic shield 3, and through the both ends end face of magnetic shield 3.
(embodiment 3)
The present embodiment is substantially the same manner as Example 2, and difference is：The shaft mounting hole of magnetic shield 3 is provided with two, two
Individual shaft mounting hole for respectively magnetic shield 3 the upper shed of both ends end face blind hole.Rotating shaft 4 is by two separate part structures
Into two parts of rotating shaft 4 are separately mounted in two shaft mounting holes.
Particular embodiments described above, the purpose of this utility model, technical scheme and beneficial effect are carried out to enter one
Step describes in detail, should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, it is all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc., it all should wrap
It is contained within the scope of protection of the utility model.
Claims (8)
- A kind of 1. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle, it is characterised in that：Including silicon steel sheet (1), ferrite Magnet steel (2), magnetic shield (3) and rotating shaft (4)；The silicon steel sheet (1) is in cylinder, is provided with silicon steel sheet (1) along radial direction more Individual rectangular channel, rectangular channel are uniformly distributed on the outer peripheral face of silicon steel sheet (1)；The ferrite magnetic steel (2) is arranged on silicon steel sheet (1) Rectangular channel in；The rotating shaft (4) is arranged on the axial center of silicon steel sheet (1), and the cross section of rotating shaft (4) is non-circular；Institute Magnetic shield (3) is stated to cast between rotating shaft (4) and silicon steel sheet (1).
- A kind of 2. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle according to claim 1, it is characterised in that：Institute State and be evenly arranged with the outer peripheral face of magnetic shield (3) multiple raised (31).
- A kind of 3. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle according to claim 1, it is characterised in that：Institute The material for stating magnetic shield (3) is aluminium.
- A kind of 4. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle, it is characterised in that：Including silicon steel sheet (1), ferrite Magnet steel (2), magnetic shield (3) and rotating shaft (4)；The silicon steel sheet (1) is in cylinder, is provided with silicon steel sheet (1) along radial direction more Individual rectangular channel, rectangular channel are uniformly distributed on the outer peripheral face of silicon steel sheet (1)；The ferrite magnetic steel (2) is arranged on silicon steel sheet (1) Rectangular channel in；The magnetic shield (3) casts in the axial center of silicon steel sheet (1)；The axial center of the magnetic shield (3) It is non-circular shaft mounting hole provided with cross section；The rotating shaft (4) is arranged in the shaft mounting hole of magnetic shield (3).
- A kind of 5. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle according to claim 4, it is characterised in that：Institute State and be evenly arranged with the outer peripheral face of magnetic shield (3) multiple raised (31).
- A kind of 6. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle according to claim 4, it is characterised in that：Institute The material for stating magnetic shield (3) is aluminium.
- A kind of 7. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle according to claim 4, it is characterised in that：Institute The shaft mounting hole for stating magnetic shield (3) is through hole；The rotating shaft (4) runs through the both ends end face of magnetic shield (3).
- A kind of 8. tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle according to claim 4, it is characterised in that：Institute The shaft mounting hole for stating magnetic shield (3) is provided with two, and two shaft mounting holes are to be opened respectively on the both ends end face of magnetic shield (3) The blind hole of mouth；The rotating shaft (4) is made up of two separate parts, and two parts of rotating shaft (4) are separately mounted to two and turned In shaft mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376330.XU CN206658113U (en) | 2017-04-11 | 2017-04-11 | A kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376330.XU CN206658113U (en) | 2017-04-11 | 2017-04-11 | A kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206658113U true CN206658113U (en) | 2017-11-21 |
Family
ID=60318672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720376330.XU Expired - Fee Related CN206658113U (en) | 2017-04-11 | 2017-04-11 | A kind of tangential magnetic field permanent-magnetic synchronous motor rotor used for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206658113U (en) |
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2017
- 2017-04-11 CN CN201720376330.XU patent/CN206658113U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20190411 |