CN109905000A - Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor - Google Patents
Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor Download PDFInfo
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- CN109905000A CN109905000A CN201910328898.8A CN201910328898A CN109905000A CN 109905000 A CN109905000 A CN 109905000A CN 201910328898 A CN201910328898 A CN 201910328898A CN 109905000 A CN109905000 A CN 109905000A
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Abstract
The present invention discloses a kind of radial direction and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor, first rectangle permanent-magnet steel is diametrically disposed, the second rectangle permanent-magnet steel and magnet isolation tank is arranged in first rectangle permanent-magnet steel inner end, tile permanent-magnet steel is arranged in first rectangle permanent-magnet steel outer end, permanent magnet inboard portion space is occupied every magnetic air gap, and extend every two side of magnetic air gap to the middle part of the first rectangle permanent-magnet steel, in the case where equivalent motor volume, the length every magnetic air gap is improved, guarantees that leakage field ability does not reduce.Adjacent simultaneously there are spaces to place the second rectangle permanent-magnet steel between magnetic air gap, improves the air-gap field value of motor.
Description
Technical field
The present invention relates to motor in electric automobile technical field of electric appliances, more particularly, the present invention relates to a kind of radial direction with cut
To permanent magnetism magnetic pole mixed excitation electric machine method for production of rotor.
Background technique
The rotor leakage of the permanent magnet drive motor used on electric car at present mostly uses greatly every magnetism gap structure, such as existing
Technology, patent name: permanent magnet rotor type electric motor, application number: 98119408.7, disclose following technical solution, cutting orientation magnetizing
Permanent magnet inner end setting stop magnetic flux hole, cutting orientation magnetizing permanent magnet outer end setting radial magnetizing permanent magnet, interior end resistance
The hole of gear magnetic flux occupies the certain space of rotor, and increase a certain amount of permanent-magnet steel in outer end is needed to improve motor gas-gap magnetic field value,
Leading to motor rotor core unreasonable distribution, motor performance cannot be made to maximize, the output performances such as electric efficiency power reduce,
Service performance needs further improvement.
Summary of the invention
The present invention has designed and developed one kind and has overcome drawbacks described above, avoids occupying the more sky of rotor every the set-up mode of magnetic air gap
Between, air-gap field value is big, distribution is reasonable inside rotor core radial produces with tangential permanent magnet magnetic pole mixed excitation electric machine rotor
Method.
Technical solution provided by the invention are as follows:
Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor, it is characterised in that: punching circular ring shape rotor punching,
The identical rectangle radial slot of shapes and sizes that even number runs through rotor punching thickness is evenly equipped on rotor punching, it is rectangular
Be not connected between shape radial slot and the outer circle of rotor punching, among the outer end of two neighboring rectangle radial slot be equipped with through turn
The arc-shaped slot of sub- punching thickness, arc-shaped slot are not connected to rotor outer circle, and the distance between both ends of arc-shaped slot are adjacent
The 1/3 of distance between two rectangle radial slot outer ends is equipped in the inside of arc-shaped slot through the tangential of rotor punching thickness
Rectangular channel, the distance between the length of tangential rectangular channel longer sides and arc-shaped slot both ends are equal, the centre bit of tangential rectangular channel
The tangential rectangle between the inner end line of two neighboring rectangle radial slot and the line of centres of two neighboring rectangle radial slot
The left side of slot is dome arc, and the sagitta of dome arc is 1mm, is equipped in the inner end of rectangle radial slot through rotor punching thickness
Anchor slot is connect among anchor slot with rectangle radial slot, and anchor slot both ends extend to tangential rectangular channel two sides, anchor slot with cut
It is connected to one end of rectangular channel, anchor slot and the other end of tangential rectangular channel are not connected to, and anchor slot is used as every magnetic air gap, rotor punching
Piece is laminated using argon arc welding, welding, rotor core is formed, by the first rectangle permanent-magnet steel, the second rectangle permanent-magnet steel, tile permanent-magnet steel
Be sequentially arranged in rectangle radial slot, tangential rectangular channel and arc-shaped slot, it is pendant polar outside adjacent second rectangle permanent-magnet steel on the contrary,
Tile permanent-magnet steel is towards pendant polar identical, tile outside the second rectangle permanent-magnet steel under the pendant polar and same magnetic pole of rotor core outer circle
Permanent-magnet steel is pendant polar identical with the polarity of adjacent first rectangle permanent-magnet steel opposite face towards rotor core inner circle, and electrical excitation winding twines
It is wound on field spider iron core, p-m rotor iron core, field spider iron core are fitted on axis, complete radial and tangential permanent magnet magnetic pole
The assembly of mixed excitation electric machine rotor.
Working principle:
When driving motor is passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, the stator of driving motor generates space
Rotating excitation field, it and magnetic field interaction caused by rotor, rotor generate and the consistent rotation in stator winding rotating excitation field direction
It walks around square, rotates the rotor of driving motor, and then drive electric car operation.
It is of the present invention the utility model has the advantages that
The present invention has designed and developed a kind of radial direction and tangential permanent magnet magnetic pole mixed excitation electric machine rotor, and the first rectangle permanent-magnet steel is along straight
The setting of diameter direction, the second rectangle permanent-magnet steel is arranged in the first rectangle permanent-magnet steel inner end and magnet isolation tank, the first rectangle permanent-magnet steel outer end are set
Tile permanent-magnet steel is set, occupies permanent magnet inboard portion space every magnetic air gap, and every two side of magnetic air gap to the first rectangle permanent-magnet steel
Middle part extend, in the case where equivalent motor volume, improve the length every magnetic air gap, guarantee that leakage field ability does not reduce.Together
There are spaces to place the second rectangle permanent-magnet steel between magnetic air gap by Shi Xianglin, improves the air-gap field value of motor.
Detailed description of the invention
Fig. 1 is production method flow chart of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor, it is characterised in that: punching circular ring shape rotor
Punching, the identical rectangle of shapes and sizes that even number is evenly equipped on rotor punching through rotor punching thickness are radial
Slot is not connected between rectangle radial slot and the outer circle of rotor punching, is set among the outer end of two neighboring rectangle radial slot
Have the arc-shaped slot through rotor punching thickness, arc-shaped slot is not connected to rotor outer circle, between the both ends of arc-shaped slot away from
From be between two neighboring rectangle radial slot outer end with a distance from 1/3, be equipped in the inside of arc-shaped slot thick through rotor punching
The tangential rectangular channel of degree, the distance between the length of tangential rectangular channel longer sides and arc-shaped slot both ends are equal, tangential rectangular channel
Center be located between the inner end line of two neighboring rectangle radial slot and the line of centres of two neighboring rectangle radial slot
The left side of tangential rectangular channel is dome arc, and the sagitta of dome arc is 1mm, is equipped in the inner end of rectangle radial slot and rushes through rotor
The anchor slot of piece thickness, anchor slot centre are connect with rectangle radial slot, and anchor slot both ends extend to tangential rectangular channel two sides, anchor
Shape slot is connect with one end of tangential rectangular channel, and anchor slot and the other end of tangential rectangular channel are not connected to, and anchor slot is used as every magnetism
Gap, rotor punching using argon arc welding, welding laminate, formed rotor core, by the first rectangle permanent-magnet steel, the second rectangle permanent-magnet steel,
Tile permanent-magnet steel is sequentially arranged in rectangle radial slot, tangential rectangular channel and arc-shaped slot, outside adjacent second rectangle permanent-magnet steel
It is pendant polar on the contrary, tile permanent-magnet steel is towards side pole outside the second rectangle permanent-magnet steel under the pendant polar and same magnetic pole of rotor core outer circle
Property is identical, and tile permanent-magnet steel is pendant polar identical with the polarity of adjacent first rectangle permanent-magnet steel opposite face towards rotor core inner circle,
Electrical excitation winding is wrapped on field spider iron core, and p-m rotor iron core, field spider iron core are fitted on axis, complete it is radial with
The assembly of tangential permanent magnet magnetic pole mixed excitation electric machine rotor.
Claims (1)
1. a kind of radial direction and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor, it is characterised in that: punching circular ring shape turns
Sub- punching, the identical rectangle of shapes and sizes that even number is evenly equipped on rotor punching through rotor punching thickness are radial
Slot is not connected between rectangle radial slot and the outer circle of rotor punching, is set among the outer end of two neighboring rectangle radial slot
Have the arc-shaped slot through rotor punching thickness, arc-shaped slot is not connected to rotor outer circle, between the both ends of arc-shaped slot away from
From be between two neighboring rectangle radial slot outer end with a distance from 1/3, be equipped in the inside of arc-shaped slot thick through rotor punching
The tangential rectangular channel of degree, the distance between the length of tangential rectangular channel longer sides and arc-shaped slot both ends are equal, tangential rectangular channel
Center be located between the inner end line of two neighboring rectangle radial slot and the line of centres of two neighboring rectangle radial slot
The left side of tangential rectangular channel is dome arc, and the sagitta of dome arc is 1mm, is equipped in the inner end of rectangle radial slot and rushes through rotor
The anchor slot of piece thickness, anchor slot centre are connect with rectangle radial slot, and anchor slot both ends extend to tangential rectangular channel two sides, anchor
Shape slot is connect with one end of tangential rectangular channel, and anchor slot and the other end of tangential rectangular channel are not connected to, and anchor slot is used as every magnetism
Gap, rotor punching are laminated using argon arc welding, welding, p-m rotor iron core are formed, by the first rectangle permanent-magnet steel, the second rectangle permanent magnetism
Steel, tile permanent-magnet steel are sequentially arranged in rectangle radial slot, tangential rectangular channel and arc-shaped slot, adjacent second rectangle permanent-magnet steel
It is outer pendant polar on the contrary, tile permanent-magnet steel is towards the second rectangle permanent-magnet steel under the pendant polar and same magnetic pole of p-m rotor iron core outer circle
Outer pendant polar identical, tile permanent-magnet steel is towards the pendant polar and adjacent first rectangle permanent-magnet steel opposite face of p-m rotor iron core inner circle
Polarity is identical, and electrical excitation winding is wrapped on field spider iron core, and p-m rotor iron core, field spider iron core are fitted on axis,
Complete the radial assembly with tangential permanent magnet magnetic pole mixed excitation electric machine rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328898.8A CN109905000A (en) | 2019-04-23 | 2019-04-23 | Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328898.8A CN109905000A (en) | 2019-04-23 | 2019-04-23 | Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor |
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| CN109905000A true CN109905000A (en) | 2019-06-18 |
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| CN201910328898.8A Pending CN109905000A (en) | 2019-04-23 | 2019-04-23 | Radial and tangential permanent magnet magnetic pole mixed excitation electric machine method for production of rotor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436688A (en) * | 2020-12-18 | 2021-03-02 | 山东理工大学 | Production method of motor axial insertion salient pole type rotor for electric automobile |
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| CN112436688A (en) * | 2020-12-18 | 2021-03-02 | 山东理工大学 | Production method of motor axial insertion salient pole type rotor for electric automobile |
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