CN105790525B - Combination type permanent-magnet pole driving motor method for production of rotor - Google Patents
Combination type permanent-magnet pole driving motor method for production of rotor Download PDFInfo
- Publication number
- CN105790525B CN105790525B CN201610306649.5A CN201610306649A CN105790525B CN 105790525 B CN105790525 B CN 105790525B CN 201610306649 A CN201610306649 A CN 201610306649A CN 105790525 B CN105790525 B CN 105790525B
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- China
- Prior art keywords
- rotor
- permanent
- rectangle
- arc
- slot
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- 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
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
Abstract
The present invention provides a kind of combination type permanent-magnet pole driving motor method for production of rotor, belong to motor in electric automobile technical field of electric appliances, permanent-magnet steel is embedded in respectively in the rectangle radial slot and arc-shaped slot of rotor core, the structure is rotor magnetic bypass structure, permanent-magnet steel can be effectively prevent to lead to the problem of irreversible demagnetization under the armature-reaction effect of dash current, ensure permanent-magnet steel not loss of excitation, the each magnetic pole and magnetic field of driving motor rotor is provided jointly by three pieces permanent-magnet steel simultaneously, magnetic field intensity is big, output power is high, has the characteristics that high efficiency, high power density, high reliability.
Description
Technical field
The present invention provides a kind of combination type permanent-magnet pole driving motor method for production of rotor, belongs to motor in electric automobile electric appliance skill
Art field.
Background technology
The production method of permanent magnet drive motor rotor used on electric vehicle at present is mostly using embedded outside permanent magnet
Structure, such as prior art, patent name：Brushless DC motor rotor, the patent No.：ZL200920116549.1 is disclosed as follows
Technical solution, including rotor core, shaft and permanent magnet, rotor core is formed and is connected by punching superposition, and shaft is with turning
Sub- iron core is fixedly connected, and the outer surface of rotor core is evenly distributed with even number T shape voussoirs, forms and inserts between adjacent T shapes voussoir
Slot, permanent magnet correspondence are embedded in slot, and the permanent magnet of the construction rotor is directly facing air gap, in the armature-reaction of dash current
Under effect, it is possible to create irreversible demagnetization, permanent magnet irreversible demagnetization once being formed, the reduction of driving motor efficiency, power, torque
Rapid to decline, performance needs further improvement.
Invention content
Drawbacks described above can be overcome the object of the present invention is to provide a kind of, permanent-magnet steel is embedded in the rectangle of rotor core respectively
In radial slot and arc-shaped slot, which is rotor magnetic bypass structure, can effectively prevent permanent-magnet steel in the armature of dash current
It leads to the problem of irreversible demagnetization under reagentia, ensures the combination type permanent-magnet pole driving motor rotor producer of permanent-magnet steel not loss of excitation
Method, technology contents are：
Combination type permanent-magnet pole driving motor method for production of rotor, it is characterised in that：Punching circular ring shape rotor punching, rotor punching
On piece is evenly equipped with the identical rectangle radial slot of shapes and sizes that even number runs through rotor punching thickness, and rectangle is radially
The outside of slot is dome arc, and the sagitta of dome arc is 1mm, has 1.5mm's between the top of dome arc and the outer circle of rotor punching
Not connected component, the Inner arc direction being equipped among the outer end of two neighboring rectangle radial slot through rotor punching thickness turn
The arc-shaped slot of sub- punching outer circle, arc-shaped slot are not connected with rectangle radial slot, the both ends of arc-shaped slot and rotor punching
There is the not connected component of 1.5mm between outer circle, the inner edge of each rectangle radial slot is straight line, in each rectangle radial slot
Inner end be equipped with tangential rectangular channel through rotor punching thickness, the outer end of the inner end of rectangle radial slot and tangential rectangular channel connects
Logical, the length of tangential rectangular channel is smaller 0.6mm than the width of rectangle radial slot, and the width of tangential rectangular channel is 1mm, tangential rectangle
The inner end of slot is equipped with the fan annular groove through rotor punching thickness, and the outer end for fanning annular groove is connected with the inner end of tangential rectangular channel,
The inner end of fan annular groove is not connected with the inner circle of circular ring shape rotor punching, and adjacent fan annular groove do not connect, not connected component
Minimum dimension is 1.5mm, and it is 3mm~5mm along the diametric width of rotor punching that fan annular groove, which is used as every magnetic air gap, and rotor rushes
Semi-circular groove is provided in piece outer circle, by rotor punching by burr direction in one direction in the way of laminate, using argon arc welding
Mode welds the middle section for laminating the semi-circular groove of rear rotor punching, rotor core is formed, by rectangle permanent-magnet steel according to adjacent
Two panels rectangle permanent-magnet steel N poles and N be extremely opposite, S poles and mode extremely opposite S are sequentially arranged in rectangle radial slot, then
Tile permanent-magnet steel is pacified successively by the polarity of the inner arc surface mode identical with the polarity that adjacent two panels rectangle permanent-magnet steel is formed
In arc-shaped slot, rotor core is fitted on axis, completes the assembling of combination type permanent-magnet pole driving motor rotor.
Compared with prior art, the present invention permanent-magnet steel is embedded in the rectangle radial slot and arc-shaped slot of rotor core respectively
Interior, which is rotor magnetic bypass structure, and permanent-magnet steel can be effectively prevent to be generated not under the armature-reaction effect of dash current
Reversible demagnetization problem ensures permanent-magnet steel not loss of excitation, while each magnetic pole and magnetic field of driving motor rotor is carried jointly by three pieces permanent-magnet steel
For magnetic field intensity is big, and output power is high, has the characteristics that high efficiency, high power density, high reliability.
Description of the drawings
Fig. 1 is the production process flow chart of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Combination type permanent-magnet pole driving motor method for production of rotor, it is characterised in that：Punching circular ring shape rotor punching, rotor punching
On piece is evenly equipped with the identical rectangle radial slot of shapes and sizes that even number runs through rotor punching thickness, and rectangle is radially
The outside of slot is dome arc, and the sagitta of dome arc is 1mm, has 1.5mm's between the top of dome arc and the outer circle of rotor punching
Not connected component, the Inner arc direction being equipped among the outer end of two neighboring rectangle radial slot through rotor punching thickness turn
The arc-shaped slot of sub- punching outer circle, arc-shaped slot are not connected with rectangle radial slot, the both ends of arc-shaped slot and rotor punching
There is the not connected component of 1.5mm between outer circle, the inner edge of each rectangle radial slot is straight line, in each rectangle radial slot
Inner end be equipped with tangential rectangular channel through rotor punching thickness, the outer end of the inner end of rectangle radial slot and tangential rectangular channel connects
Logical, the length of tangential rectangular channel is smaller 0.6mm than the width of rectangle radial slot, and the width of tangential rectangular channel is 1mm, tangential rectangle
The inner end of slot is equipped with the fan annular groove through rotor punching thickness, and the outer end for fanning annular groove is connected with the inner end of tangential rectangular channel,
The inner end of fan annular groove is not connected with the inner circle of circular ring shape rotor punching, and adjacent fan annular groove do not connect, not connected component
Minimum dimension is 1.5mm, and it is 3mm~5mm along the diametric width of rotor punching that fan annular groove, which is used as every magnetic air gap, and rotor rushes
Semi-circular groove is provided in piece outer circle, by rotor punching by burr direction in one direction in the way of laminate, using argon arc welding
Mode welds the middle section for laminating the semi-circular groove of rear rotor punching, rotor core is formed, by rectangle permanent-magnet steel according to adjacent
Two panels rectangle permanent-magnet steel N poles and N be extremely opposite, S poles and mode extremely opposite S are sequentially arranged in rectangle radial slot, then
Tile permanent-magnet steel is pacified successively by the polarity of the inner arc surface mode identical with the polarity that adjacent two panels rectangle permanent-magnet steel is formed
In arc-shaped slot, rotor core is fitted on axis, completes the assembling of combination type permanent-magnet pole driving motor rotor.
Claims (1)
1. a kind of combination type permanent-magnet pole driving motor method for production of rotor, it is characterised in that：Punching circular ring shape rotor punching, rotor
The identical rectangle radial slot of shapes and sizes that even number runs through rotor punching thickness, rectangle diameter are evenly equipped in punching
It is dome arc to the outside of slot, the sagitta of dome arc is 1mm, has 1.5mm between the top of dome arc and the outer circle of rotor punching
Not connected component, among the outer end of two neighboring rectangle radial slot be equipped with through rotor punching thickness Inner arc direction
The arc-shaped slot of rotor punching outer circle, arc-shaped slot are not connected with rectangle radial slot, the both ends of arc-shaped slot and rotor punching
Outer circle between have the not connected component of 1.5mm, the inner edge of each rectangle radial slot is straight line, in each rectangle radially
The inner end of slot is equipped with the tangential rectangular channel through rotor punching thickness, the inner end of rectangle radial slot and the outer end of tangential rectangular channel
Connection, the length of tangential rectangular channel is smaller 0.6mm than the width of rectangle radial slot, and the width of tangential rectangular channel is 1mm, tangential square
The inner end of shape slot is equipped with the fan annular groove through rotor punching thickness, fans the outer end of annular groove and connects with the inner end of tangential rectangular channel
Logical, the inner end for fanning annular groove is not connected with the inner circle of circular ring shape rotor punching, and adjacent fan annular groove does not connect, not connected component
Minimum dimension for 1.5mm, it is 3mm~5mm along the diametric width of rotor punching that fan annular groove, which is used as every magnetic air gap, rotor
Semi-circular groove is provided in punching outer circle, by rotor punching by burr direction in one direction in the way of laminate, using argon arc welding
Mode weld the middle section for laminating the semi-circular groove of rear rotor punching, rotor core is formed, by rectangle permanent-magnet steel according to phase
The N poles of adjacent two panels rectangle permanent-magnet steel and N are extremely opposite, S poles and mode extremely opposite S are sequentially arranged in rectangle radial slot,
Again by tile permanent-magnet steel by the polarity of the inner arc surface mode identical with the polarity of adjacent two panels rectangle permanent-magnet steel formation successively
In arc-shaped slot, rotor core is fitted on axis, completes the assembling of combination type permanent-magnet pole driving motor rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306649.5A CN105790525B (en) | 2016-05-11 | 2016-05-11 | Combination type permanent-magnet pole driving motor method for production of rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306649.5A CN105790525B (en) | 2016-05-11 | 2016-05-11 | Combination type permanent-magnet pole driving motor method for production of rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105790525A CN105790525A (en) | 2016-07-20 |
| CN105790525B true CN105790525B (en) | 2018-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610306649.5A Active CN105790525B (en) | 2016-05-11 | 2016-05-11 | Combination type permanent-magnet pole driving motor method for production of rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105790525B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488240U (en) * | 2012-01-09 | 2012-10-10 | 美的威灵电机技术（上海）有限公司 | Tangential rotor of rotary motor |
| CN103762765A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor |
-
2016
- 2016-05-11 CN CN201610306649.5A patent/CN105790525B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488240U (en) * | 2012-01-09 | 2012-10-10 | 美的威灵电机技术（上海）有限公司 | Tangential rotor of rotary motor |
| CN103762765A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor |
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| Publication number | Publication date |
|---|---|
| CN105790525A (en) | 2016-07-20 |
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