CN205489867U - Radial permanent magnetism self -starting electric motor rotor - Google Patents
Radial permanent magnetism self -starting electric motor rotor Download PDFInfo
- Publication number
- CN205489867U CN205489867U CN201620254286.0U CN201620254286U CN205489867U CN 205489867 U CN205489867 U CN 205489867U CN 201620254286 U CN201620254286 U CN 201620254286U CN 205489867 U CN205489867 U CN 205489867U
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- rotor
- permanent magnet
- motor
- electric motor
- motor rotor
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Abstract
Radial permanent magnetism self -starting electric motor rotor, it is epaxial that electric motor rotor is located to the electric motor rotor cover, including rotor body, permanent magnet and rotor conducting bar, the last electric motor rotor groove that is equipped with its circumference distribution of a plurality of edges of rotor body, the electric motor rotor inslot is located to the rotor conducting bar, rotor body is last to be equipped with a plurality of permanent magnet grooves, and the permanent magnet inslot is located to the permanent magnet, rotor body comprises with coaxial pile of pressure of the same mode of putting the electric motor rotor lamination that the multilayer is the same, be equipped with many high strength steel silks in the rotor body, the high strength steel silk is located between the adjacent electric motor rotor lamination, and the high strength steel silk runs through the permanent magnet groove, and the distance on electric motor rotor axle axial direction between the adjacent high strength steel silk of every permanent magnet inslot is less than the thickness of 10 electric motor rotor laminations, and every permanent magnet groove is link up with two different electric motor rotor grooves respectively, and permanent magnet and rotor conducting bar contactless.
Description
Technical field
This utility model relates to machine field, particularly relates to rotor.
Background technology
Self-start permanent magnet synchronous has that power factor height, invariablenes turning speed, volume be little, lightweight, efficiency advantages of higher is with a wide range of applications.According to the mutual relation in permanent magnet magnetization direction Yu rotor direction of rotation, built-in rotor magnetic structure can be divided into again radial, tangential and hybrid three kinds.For the built-in radial formula rotor magnetic circuit structural that permanent magnet grooved is V-type, for limiting permanent magnet leakage magnetic flux, rotor is less every magnetic bridge width design, and the magnetic resistance increasing this position plays the effect limiting leakage magnetic flux.But, owing to permanent magnet machine rotor moment of torsion is relatively big, less every magnetic bridge width, easily cause the tear of permanent magnet machine rotor tooth yoke portion or torsional deformation, make self-starting permanent magnet motor rotor damage or scrap.
Utility model content
For defect present in prior art, this utility model provides radial permanent-magnet self-starting rotor, reduces permanent magnet leakage magnetic flux, improves electromagnetic performance, simultaneously good mechanical property, and service life is long.
Concrete technical scheme is: radial permanent-magnet self-starting rotor, rotor is sheathed on rotor axis of electric, including rotor body, permanent magnet and rotor bar, rotor body is provided with multiple along its circumferentially distributed motor rotor slot, and rotor bar is located in motor rotor slot；Rotor body is provided with multiple permanent magnet trough, and permanent magnet is located in permanent magnet trough；Rotor body by multi-layer phase with rotor lamination coaxially laminate with identical disposing way and to form, many high-tensile steel wires it are provided with in described rotor body, high-tensile steel wires are between adjacent rotor lamination, and high-tensile steel wires run through permanent magnet trough, on rotor axis of electric axial direction in each permanent magnet trough distance between adjacent high-tensile steel wires less than the thickness of 10 rotor laminations, the motor rotor slot that each permanent magnet trough is different from two respectively is through, and permanent magnet does not contacts with rotor bar.
Described rotor lamination includes the outer unit portion of motor and rotor yoke portion, the outer unit portion of motor is circumferentially distributed around rotor yoke portion, rotor yoke portion is sheathed on rotor axis of electric, permanent magnet trough, in the outer gap between unit portion and rotor yoke portion of motor, the outer unit portion of motor and rotor yoke portion is equipped with trip bolt hole.
The quantity fastening screw hole in the outer unit portion of described motor is two.
Described rotor body is made up of by running through the fastening bolt connection in trip bolt hole multilamellar rotor lamination.
The width of described permanent magnet trough is identical with the width of motor rotor slot bottom land.
This utility model simple in construction, low cost of manufacture.
The motor rotor slot that each permanent magnet trough is different from two respectively is through, and permanent magnet does not contacts with rotor bar, it is achieved that air is every magnetic, and its ability limiting leakage magnetic flux is far longer than the convention rotor restriction leakage magnetic flux ability every magnetic bridge, thus improves electromagnetic performance；nullMany high-tensile steel wires it are provided with in rotor body，High-tensile steel wires are between adjacent rotor lamination，And high-tensile steel wires run through permanent magnet trough，At multilamellar rotor lamination after forcing press carries out pressing mold process，High-tensile steel wires can play the effect of " spoke "，By the fixing connection in outer for motor unit portion and rotor yoke portion，High-tensile steel wires intensity is high，Good mechanical property，The processing method of permanent magnet is for injecting permanent magnet powder and being sintered in permanent magnet trough simultaneously，Then magnetizing，This processing method can make permanent magnet powder play the effect of " binding agent "，Connect fixing further to outer for motor unit portion and rotor yoke portion，By high-tensile steel wires and the common effect of permanent magnet，Outer for motor unit portion and rotor yoke portion are connected fastening，So that this device has good mechanical performance，Improve the service life of this device.
Accompanying drawing explanation
Fig. 1 is existing motor rotor construction schematic diagram；
Fig. 2 is this utility model structural representation；
Fig. 3 is this utility model rotor lamination schematic diagram.
Detailed description of the invention
As it is shown in figure 1, traditional motor is every magnetic bridge 1 the least (less than 1mm), permanent magnet leakage field, lifting motor performance can be reduced；But motor is the least every magnetic bridge 1, rotor mechanical strength is the lowest, even cannot meet electromechanics requirement of strength, the least every magnetic bridge 1, and rotor lamination processing percent defective rises.
As shown in Figures 2 and 3, radial permanent-magnet self-starting rotor, rotor is sheathed on rotor axis of electric 2, including rotor body 3, permanent magnet 4 and rotor bar 5, rotor body 3 is provided with multiple along its circumferentially distributed motor rotor slot 6, and rotor bar 5 is located in motor rotor slot 6；Rotor body 3 is provided with multiple permanent magnet trough 7, and permanent magnet 4 is located in permanent magnet trough 7；Rotor body 3 by multi-layer phase with rotor lamination coaxially laminate with identical disposing way and to form, many high-tensile steel wires 8 it are provided with in described rotor body 3, high-tensile steel wires 8 are between adjacent rotor lamination, and high-tensile steel wires 8 run through permanent magnet trough 7, high-tensile steel wires 8 are vertical with rotor axis of electric 2, on rotor axis of electric 2 axial direction in each permanent magnet trough 7 distance between adjacent high-tensile steel wires 8 less than the thickness of 10 rotor laminations, the motor rotor slot 6 that each permanent magnet trough 7 is different from two respectively is through, and permanent magnet 4 does not contacts with rotor bar 5.
Rotor lamination includes the outer unit portion 9 of motor and rotor yoke portion 10, the outer unit portion 9 of motor is circumferentially distributed around rotor yoke portion 10, rotor yoke portion 10 is sheathed on rotor axis of electric 2, permanent magnet trough 7, in the outer gap between unit portion 9 and rotor yoke portion 10 of motor, the outer unit portion 9 of motor and rotor yoke portion 10 is equipped with trip bolt hole 11.
Rotor body 3 is made up of by running through fastening bolt 12 connection in trip bolt hole 11 multilamellar rotor lamination, and the quantity that the outer unit portion 9 of motor fastens screw hole 11 is two, makes the connection between rotor lamination more fasten；The width of permanent magnet trough 7 is identical with the width of motor rotor slot 6 bottom land.
The processing method of radial permanent-magnet self-starting rotor, including the radial permanent-magnet self-starting rotor described in the claims, also includes following operation: by the specification of rotor lamination, stalloy is carried out punch die；Then the rotor lamination of mold forming is the most coaxially stacked with identical disposing way, till reaching to design the number of plies, high-tensile steel wires 8 are put between adjacent rotor lamination simultaneously, and make high-tensile steel wires 8 run through permanent magnet trough 7, on rotor axis of electric 2 axial direction in each permanent magnet trough 7 distance between adjacent high-tensile steel wires 8 less than the thickness of 10 rotor laminations；Then the multilamellar rotor lamination after stacking carries out pressing mold process with forcing press on rotor axis of electric 2 axial direction and forms rotor body 3, utilize fastening bolt 12 to run through trip bolt hole 11 to be connected by the multilamellar rotor lamination carrying out pressing mold process through forcing press, rotor axis of electric 2 is installed to rotor body 3 simultaneously；Permanent magnet 4 powder will be injected in the permanent magnet trough 7 of rotor body 3 and be sintered again；Then to carrying out cast aluminium formation rotor bar 5 in the motor rotor slot 6 of rotor body 3；Finally the permanent magnet 4 in rotor body 3 is magnetized.
The motor rotor slot 6 that each permanent magnet trough 7 is different from two respectively is through, and permanent magnet 4 does not contacts with rotor bar 5, achieve air to be far longer than the convention rotor restriction leakage magnetic flux ability every magnetic bridge every magnetic, ability of its restriction leakage magnetic flux, thus improve electromagnetic performance；nullMany high-tensile steel wires 8 it are provided with in rotor body 3，High-tensile steel wires 8 are between adjacent rotor lamination，And high-tensile steel wires 8 run through permanent magnet trough 7，At multilamellar rotor lamination after forcing press carries out pressing mold process，High-tensile steel wires 8 can play the effect of " spoke "，By the fixing connection in outer for motor unit portion 9 and rotor yoke portion 10，High-tensile steel wires Final 8 degree is high，Good mechanical property，The processing method of permanent magnet 4 is for injecting permanent magnet 4 powder and being sintered in permanent magnet trough 7 simultaneously，Then magnetizing，This processing method can make permanent magnet 4 powder play the effect of " binding agent "，Connect fixing further to outer for motor unit portion 9 and rotor yoke portion 10，By high-tensile steel wires 8 and the common effect of permanent magnet 4，Outer for motor unit portion 9 and rotor yoke portion 10 are connected fastening，So that this device has good mechanical performance，Improve the service life of this device.
Claims (5)
1.Radial permanent-magnet self-starting rotor, rotor is sheathed on rotor axis of electric, and including rotor body, permanent magnet and rotor bar, rotor body is provided with multiple along its circumferentially distributed motor rotor slot, and rotor bar is located in motor rotor slot；Rotor body is provided with multiple permanent magnet trough, and permanent magnet is located in permanent magnet trough；Rotor body by multi-layer phase with rotor lamination coaxially laminate with identical disposing way and to form, it is characterized in that: in described rotor body, be provided with many high-tensile steel wires, high-tensile steel wires are between adjacent rotor lamination, and high-tensile steel wires run through permanent magnet trough, on rotor axis of electric axial direction in each permanent magnet trough distance between adjacent high-tensile steel wires less than the thickness of 10 rotor laminations, the motor rotor slot that each permanent magnet trough is different from two respectively is through, and permanent magnet does not contacts with rotor bar.
2.Radial permanent-magnet self-starting rotor as claimed in claim 1, it is characterized in that: described rotor lamination includes the outer unit portion of motor and rotor yoke portion, the outer unit portion of motor is circumferentially distributed around rotor yoke portion, rotor yoke portion is sheathed on rotor axis of electric, permanent magnet trough, in the outer gap between unit portion and rotor yoke portion of motor, the outer unit portion of motor and rotor yoke portion is equipped with trip bolt hole.
3.Radial permanent-magnet self-starting rotor as claimed in claim 2, it is characterised in that: described rotor body is made up of by running through the fastening bolt connection in trip bolt hole multilamellar rotor lamination.
4.Radial permanent-magnet self-starting rotor as claimed in claim 2, it is characterised in that: the quantity fastening screw hole in the outer unit portion of described motor is two.
5.Radial permanent-magnet self-starting rotor as claimed in claim 1, it is characterised in that: the width of described permanent magnet trough is identical with the width of motor rotor slot bottom land.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254286.0U CN205489867U (en) | 2016-03-30 | 2016-03-30 | Radial permanent magnetism self -starting electric motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254286.0U CN205489867U (en) | 2016-03-30 | 2016-03-30 | Radial permanent magnetism self -starting electric motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489867U true CN205489867U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254286.0U Expired - Fee Related CN205489867U (en) | 2016-03-30 | 2016-03-30 | Radial permanent magnetism self -starting electric motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205489867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680591A (en) * | 2016-03-30 | 2016-06-15 | 郑州轻工业学院 | Spoke type permanent magnet self-starting motor rotor and processing method thereof |
| WO2021051451A1 (en) * | 2019-09-20 | 2021-03-25 | 中车永济电机有限公司 | Motor rotor and motor |
-
2016
- 2016-03-30 CN CN201620254286.0U patent/CN205489867U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680591A (en) * | 2016-03-30 | 2016-06-15 | 郑州轻工业学院 | Spoke type permanent magnet self-starting motor rotor and processing method thereof |
| CN105680591B (en) * | 2016-03-30 | 2017-12-19 | 郑州轻工业学院 | Radial permanent-magnet self-starting rotor and its processing method |
| WO2021051451A1 (en) * | 2019-09-20 | 2021-03-25 | 中车永济电机有限公司 | Motor rotor and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20210330 |