CN105958750A - Method of producing double-radial composite magnetic field hub drive motor rotor - Google Patents
Method of producing double-radial composite magnetic field hub drive motor rotor Download PDFInfo
- Publication number
- CN105958750A CN105958750A CN201610306625.XA CN201610306625A CN105958750A CN 105958750 A CN105958750 A CN 105958750A CN 201610306625 A CN201610306625 A CN 201610306625A CN 105958750 A CN105958750 A CN 105958750A
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- China
- Prior art keywords
- rectangular
- rotor
- slot
- magnet steel
- outer end
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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
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- 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
Abstract
The invention provides a method of producing a double-radial composite magnetic field hub drive motor rotor, and belongs to the technical field of automobile motors and appliances. Rectangular permanent magnet steel pieces are respectively embedded into first rectangular slots and second rectangular slots of a rotor core. The magnetic field of the hub drive motor rotor is provided jointly by double-radial permanent magnet steel pieces. The magnetic field is strong, and the power density is high. The structure is a rotor magnetic bypass structure, which can effectively prevent the problem that the permanent magnet steel pieces generate irreversible demagnetization under the armature reaction effect of impact current and ensure that the permanent magnet steel pieces do not lose magnetism. The drive motor rotor has the characteristics of compact structure, high efficiency, reliable operation, and the like.
Description
Technical field
The present invention provides a kind of biradial resultant magnetic field hub to drive rotor production method, belongs to motor in electric automobile technical field of electric appliances.
Background technology
nullThe production method of the permanent magnet drive motor rotor used on electric automobile at present uses the outer damascene structures of permanent magnet mostly，Such as prior art，Patent name: brushless DC motor rotor，The patent No.: ZL200920116549.1，Disclose following technical scheme，Including rotor core、Rotating shaft and permanent magnet，Rotor core is made up of punching superposition and is connected，Rotating shaft is fixing with rotor core to be connected，The outer surface of rotor core is evenly distributed with even number T-shaped voussoir，Slot is constituted between adjacent T-shaped voussoir，Permanent magnet correspondence is embedded in slot，The permanent magnet of this construction rotor is directly facing air gap，Under the armature-reaction effect of dash current，Irreversible demagnetization may be produced，Permanent magnet once forms irreversible demagnetization，Driving electric efficiency reduces、Power、Moment of torsion declines rapidly，Its serviceability needs further improvement.
Summary of the invention
It is an object of the invention to provide one and can overcome drawbacks described above, rectangle permanent-magnet steel is embedded in the first rectangular slot and second rectangular slot of rotor core respectively, this structure is rotor magnetic bypass structure, can effectively prevent permanent-magnet steel from producing irreversible demagnetization problem under the armature-reaction effect of dash current, ensureing that the biradial resultant magnetic field hub of permanent-magnet steel not loss of excitation drives rotor production method, its technology contents is:
nullBiradial resultant magnetic field hub drives rotor production method，It is characterized in that: punching annular rotor punching，It is evenly equipped with even number on rotor punching and runs through rotor punching thickness and the positive "eight" shape groove formed by two the first rectangular slots，There is the not connected component of 1.5mm first rectangular slot the inner of two adjacent positive "eight" shape grooves of formation，It is provided with, in the middle of the outer end of the positive "eight" shape groove formed by two the first rectangular slots, the inverted "eight" shape groove running through rotor punching thickness and being formed by two the second rectangular slots，There is the not connected component of 1.5mm the inner of two the second rectangular slots forming inverted "eight" shape groove，The inner edge of the first rectangular slot is dome arc，The sagitta of dome arc is 1mm，The not connected component of 1.5mm is had between the inner and the inner circle of rotor punching of the first rectangular slot，The outside of each first rectangular slot is straight line，The first rectangular channel running through rotor punching thickness it is provided with in the outer end of each first rectangular slot，The inner of first rectangular channel connects with the outer end of the first rectangular slot，The length 0.6mm less than the width of the first rectangular slot of the first rectangular channel，The width of the first rectangular channel is 1mm，The inner edge of the second rectangular slot is dome arc，The sagitta of dome arc is 1mm，The outside of each second rectangular slot is straight line，The second rectangular channel running through rotor punching thickness it is provided with in the outer end of each second rectangular slot，The inner of second rectangular channel connects with the outer end of the second rectangular slot，The length 0.6mm less than the width of the second rectangular slot of the second rectangular channel，The width of the second rectangular channel is 1mm，The arc-shaped slot running through rotor punching thickness jointly it is provided with in the outer end of the outer end of each first rectangular channel and the second adjacent rectangular channel，The inner of arc-shaped slot all connects with the outer end of the first rectangular channel and the outer end of the second rectangular channel，The not connected component of 3mm is had between outer end and the cylindrical of rotor punching of arc-shaped slot，Adjacent arc-shaped slot does not connects，Arc-shaped slot as every magnetic air gap along the diametric width of rotor punching between 3mm～5mm，W type groove is had on rotor punching cylindrical，Rotor punching is laminated by burr mode in one direction，The mode using argon arc welding welds the mid portion laminating rear rotor punching W type groove，Form rotor core；
nullIn identical two panels the first rectangle permanent-magnet steel is respectively placed at the positive "eight" shape groove formed by two the first rectangular slots of rotor core and the inner side of positive "eight" shape that formed of two panels the first rectangle permanent-magnet steel is N pole，In the inverted "eight" shape groove formed by two the second rectangular slots be respectively placed at identical two panels the second rectangle permanent-magnet steel on rotor core and the outside of inverted "eight" shape that formed of two panels the second rectangle permanent-magnet steel is N pole，In more identical other two panels the first rectangle permanent-magnet steel being respectively placed at the positive "eight" shape groove formed by two other first rectangular slot that rotor core the is adjacent and inner side of positive "eight" shape that formed of two panels the first rectangle permanent-magnet steel is S pole，In the inverted "eight" shape groove formed by two other second rectangular slot that identical other two panels the second rectangle permanent-magnet steel is respectively placed on rotor core，And the outside of the inverted "eight" shape that two panels the second rectangle permanent-magnet steel is formed is S pole，The like，Form N pole、The most spaced p-m rotor of S，Rotor core is fixed in the inner circle of hub-type casing，Complete biradial resultant magnetic field hub and drive the assembling of rotor.
The present invention is compared with prior art, rectangle permanent-magnet steel is embedded in the first rectangular slot and second rectangular slot of rotor core respectively, hub driven motor rotor field is provided jointly by biradial permanent-magnet steel, magnetic field intensity is big, power density is high, and this structure is rotor magnetic bypass structure, it is possible to effectively prevent the problem that permanent-magnet steel produces irreversible demagnetization under the armature-reaction effect of dash current, ensure permanent-magnet steel not loss of excitation, there is the features such as efficiency height, compact conformation, reliable operation.
Accompanying drawing explanation
Fig. 1 is the production process flow chart of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
nullBiradial resultant magnetic field hub drives rotor production method，It is characterized in that: punching annular rotor punching，It is evenly equipped with even number on rotor punching and runs through rotor punching thickness and the positive "eight" shape groove formed by two the first rectangular slots，There is the not connected component of 1.5mm first rectangular slot the inner of two adjacent positive "eight" shape grooves of formation，It is provided with, in the middle of the outer end of the positive "eight" shape groove formed by two the first rectangular slots, the inverted "eight" shape groove running through rotor punching thickness and being formed by two the second rectangular slots，There is the not connected component of 1.5mm the inner of two the second rectangular slots forming inverted "eight" shape groove，The inner edge of the first rectangular slot is dome arc，The sagitta of dome arc is 1mm，The not connected component of 1.5mm is had between the inner and the inner circle of rotor punching of the first rectangular slot，The outside of each first rectangular slot is straight line，The first rectangular channel running through rotor punching thickness it is provided with in the outer end of each first rectangular slot，The inner of first rectangular channel connects with the outer end of the first rectangular slot，The length 0.6mm less than the width of the first rectangular slot of the first rectangular channel，The width of the first rectangular channel is 1mm，The inner edge of the second rectangular slot is dome arc，The sagitta of dome arc is 1mm，The outside of each second rectangular slot is straight line，The second rectangular channel running through rotor punching thickness it is provided with in the outer end of each second rectangular slot，The inner of second rectangular channel connects with the outer end of the second rectangular slot，The length 0.6mm less than the width of the second rectangular slot of the second rectangular channel，The width of the second rectangular channel is 1mm，The arc-shaped slot running through rotor punching thickness jointly it is provided with in the outer end of the outer end of each first rectangular channel and the second adjacent rectangular channel，The inner of arc-shaped slot all connects with the outer end of the first rectangular channel and the outer end of the second rectangular channel，The not connected component of 3mm is had between outer end and the cylindrical of rotor punching of arc-shaped slot，Adjacent arc-shaped slot does not connects，Arc-shaped slot as every magnetic air gap along the diametric width of rotor punching between 3mm～5mm，W type groove is had on rotor punching cylindrical，Rotor punching is laminated by burr mode in one direction，The mode using argon arc welding welds the mid portion laminating rear rotor punching W type groove，Form rotor core；
nullIn identical two panels the first rectangle permanent-magnet steel is respectively placed at the positive "eight" shape groove formed by two the first rectangular slots of rotor core and the inner side of positive "eight" shape that formed of two panels the first rectangle permanent-magnet steel is N pole，In the inverted "eight" shape groove formed by two the second rectangular slots be respectively placed at identical two panels the second rectangle permanent-magnet steel on rotor core and the outside of inverted "eight" shape that formed of two panels the second rectangle permanent-magnet steel is N pole，In more identical other two panels the first rectangle permanent-magnet steel being respectively placed at the positive "eight" shape groove formed by two other first rectangular slot that rotor core the is adjacent and inner side of positive "eight" shape that formed of two panels the first rectangle permanent-magnet steel is S pole，In the inverted "eight" shape groove formed by two other second rectangular slot that identical other two panels the second rectangle permanent-magnet steel is respectively placed on rotor core，And the outside of the inverted "eight" shape that two panels the second rectangle permanent-magnet steel is formed is S pole，The like，Form N pole、The most spaced p-m rotor of S，Rotor core is fixed in the inner circle of hub-type casing，Complete biradial resultant magnetic field hub and drive the assembling of rotor.
Claims (1)
- null1. a biradial resultant magnetic field hub drives rotor production method，It is characterized in that: punching annular rotor punching，It is evenly equipped with even number on rotor punching and runs through rotor punching thickness and the positive "eight" shape groove formed by two the first rectangular slots，There is the not connected component of 1.5mm first rectangular slot the inner of two adjacent positive "eight" shape grooves of formation，It is provided with, in the middle of the outer end of the positive "eight" shape groove formed by two the first rectangular slots, the inverted "eight" shape groove running through rotor punching thickness and being formed by two the second rectangular slots，There is the not connected component of 1.5mm the inner of two the second rectangular slots forming inverted "eight" shape groove，The inner edge of the first rectangular slot is dome arc，The sagitta of dome arc is 1mm，The not connected component of 1.5mm is had between the inner and the inner circle of rotor punching of the first rectangular slot，The outside of each first rectangular slot is straight line，The first rectangular channel running through rotor punching thickness it is provided with in the outer end of each first rectangular slot，The inner of first rectangular channel connects with the outer end of the first rectangular slot，The length 0.6mm less than the width of the first rectangular slot of the first rectangular channel，The width of the first rectangular channel is 1mm，The inner edge of the second rectangular slot is dome arc，The sagitta of dome arc is 1mm，The outside of each second rectangular slot is straight line，The second rectangular channel running through rotor punching thickness it is provided with in the outer end of each second rectangular slot，The inner of second rectangular channel connects with the outer end of the second rectangular slot，The length 0.6mm less than the width of the second rectangular slot of the second rectangular channel，The width of the second rectangular channel is 1mm，The arc-shaped slot running through rotor punching thickness jointly it is provided with in the outer end of the outer end of each first rectangular channel and the second adjacent rectangular channel，The inner of arc-shaped slot all connects with the outer end of the first rectangular channel and the outer end of the second rectangular channel，The not connected component of 3mm is had between outer end and the cylindrical of rotor punching of arc-shaped slot，Adjacent arc-shaped slot does not connects，Arc-shaped slot as every magnetic air gap along the diametric width of rotor punching between 3mm～5mm，W type groove is had on rotor punching cylindrical，Rotor punching is laminated by burr mode in one direction，The mode using argon arc welding welds the mid portion laminating rear rotor punching W type groove，Form rotor core；nullIn identical two panels the first rectangle permanent-magnet steel is respectively placed at the positive "eight" shape groove formed by two the first rectangular slots of rotor core and the inner side of positive "eight" shape that formed of two panels the first rectangle permanent-magnet steel is N pole，In the inverted "eight" shape groove formed by two the second rectangular slots be respectively placed at identical two panels the second rectangle permanent-magnet steel on rotor core and the outside of inverted "eight" shape that formed of two panels the second rectangle permanent-magnet steel is N pole，In more identical other two panels the first rectangle permanent-magnet steel being respectively placed at the positive "eight" shape groove formed by two other first rectangular slot that rotor core the is adjacent and inner side of positive "eight" shape that formed of two panels the first rectangle permanent-magnet steel is S pole，In the inverted "eight" shape groove formed by two other second rectangular slot that identical other two panels the second rectangle permanent-magnet steel is respectively placed on rotor core，And the outside of the inverted "eight" shape that two panels the second rectangle permanent-magnet steel is formed is S pole，The like，Form N pole、The most spaced p-m rotor of S，Rotor core is fixed in the inner circle of hub-type casing，Complete biradial resultant magnetic field hub and drive the assembling of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306625.XA CN105958750A (en) | 2016-05-11 | 2016-05-11 | Method of producing double-radial composite magnetic field hub drive motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306625.XA CN105958750A (en) | 2016-05-11 | 2016-05-11 | Method of producing double-radial composite magnetic field hub drive motor rotor |
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| Publication Number | Publication Date |
|---|---|
| CN105958750A true CN105958750A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610306625.XA Withdrawn CN105958750A (en) | 2016-05-11 | 2016-05-11 | Method of producing double-radial composite magnetic field hub drive motor rotor |
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| Country | Link |
|---|---|
| CN (1) | CN105958750A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921582A (en) * | 2019-04-23 | 2019-06-21 | 山东理工大学 | Radial and non-tangential magnetic field hybrid permanent magnet driving motor method for production of rotor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327113Y (en) * | 1997-10-17 | 1999-06-30 | 北京市石景山区京磁技术公司 | Rare-earth permanent magnet efficient synchronous electric motor |
-
2016
- 2016-05-11 CN CN201610306625.XA patent/CN105958750A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327113Y (en) * | 1997-10-17 | 1999-06-30 | 北京市石景山区京磁技术公司 | Rare-earth permanent magnet efficient synchronous electric motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921582A (en) * | 2019-04-23 | 2019-06-21 | 山东理工大学 | Radial and non-tangential magnetic field hybrid permanent magnet driving motor method for production of rotor |
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Inventor after: Zhang Xueyi Inventor after: Hu Wenjing Inventor after: Du Qinjun Inventor after: Shi Liwei Inventor after: Liu Congzhen Inventor after: Liu Ruijun Inventor before: Zhang Xueyi Inventor before: Du Qinjun Inventor before: Shi Liwei Inventor before: Liu Congzhen Inventor before: Liu Ruijun |
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Application publication date: 20160921 |