CN2617071Y - Axial excitation-mixed reluctance motor - Google Patents
Axial excitation-mixed reluctance motor Download PDFInfo
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- CN2617071Y CN2617071Y CN 03213381 CN03213381U CN2617071Y CN 2617071 Y CN2617071 Y CN 2617071Y CN 03213381 CN03213381 CN 03213381 CN 03213381 U CN03213381 U CN 03213381U CN 2617071 Y CN2617071 Y CN 2617071Y
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- excitation
- control winding
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Abstract
The utility model relates to an axial excitation hybrid reluctance motor, which has the functions of controlling and compensating the axial permanent magnetic potential. The utility model comprises a stator core, a radial field copper, a rotor core, and a permanent-magnet. An axial excitation compensate control winding core and an axial excitation compensate control winding are arranged in the magnetizing direction of the permanent-magnet, having the same axis with the rotor core; the two axial excitation compensate control winding cores are respectively arranged on the two axial sides of the rotor core, and an air gap is arranged between the axial excitation compensate control winding core and the rotor core; the axial excitation compensate control winding is arranged on the axial excitation compensate control winding core, and can generate a magnetic field in the same direction of the rotor axes. By reasonable magnetic system design and structure, the motor can obtain the magnetic potential compensability and controllability of the permanent-magnet, meanwhile the space of the motor can be utilized effectively, thus a bigger torque and good control characteristic can be achieved on the premise of the same physical dimension.
Description
Technical field: the utility model relates to a kind of axial excitation hybrid magnetoresistive motor that has axial permanent magnetic potential control and compensate function.
Background technology: there is following problem in present magneto, and the first, the size of motor torque is subjected to the restriction of motor size, wants to improve the torque of motor, must increase the size of motor; The second, can not be easily the magnetic potential of permanent magnet be compensated and controls.
The utility model content: for solving the problem that existing magneto exists, the utility model provides a kind of axial excitation hybrid magnetoresistive motor.First problem that the utility model solves is the problem that the size of motor torque is subjected to the motor size restriction; Second problem that the utility model solves is the problem that existing magneto can not be easily compensates and controls the magnetic potential of permanent magnet.Axial excitation hybrid magnetoresistive motor of the present utility model comprises stator core 2, be installed in the radially excitation winding 4 on the stator core 2, rotor core 1, be installed in the permanent magnet 5 on the rotor core 1, between rotor core 1 and the stator core 2 radial air gap 3 is arranged, the utility model also has axial excitation compensation control winding iron core 6 and axial excitation compensation control winding 7 in the magnetizing direction and rotor core 1 arranged coaxial of permanent magnet 5, two axial excitation compensation control winding iron cores 6 are separately positioned on the axial both sides of rotor core 1, axially between excitation compensation control winding iron core 6 and the rotor core 1 axial air-gap 10 is arranged, axially excitation compensation control winding 7 is installed on the axial excitation compensation control winding iron core 6, and axially excitation compensation control winding 7 produces and the identical magnetic field of rotor 1 axis direction.The utility model guarantees axial excitation compensation control winding 7 on magnetic structure, axially the excitation compensation is controlled winding iron core 6 by axial air-gap 10 and permanent magnet 5 arranged coaxial, Control Shaft is to the sense of current and the size of excitation compensation control winding 7, realization increases magnetic or degaussing, implement compensation and control, regulate air-gap field permanent magnet 5 magnetic potentials.In the magnetic system of axial excitation hybrid magnetoresistive motor, the magnetic flux of permanent magnet 5 is through left rotor iron core 1-1, radial air gap 3, stator core 2, radial air gap 3 and the sub-iron core 1-2 closure of turning right.Axially the magnetic flux of excitation compensation control winding 7 is through axial excitation compensation control winding iron core 6, axial air-gap 10, rotor core 1, radial air gap 3, stator core 2, magnetic conduction casing 9 and magnetic conduction end cap 8 closures.Radially the magnetic flux of multi-phase excitation winding 4 is through every phase pole body, radial air gap 3, rotor core 1, radial air gap 3, adjacent phase pole body and yoke closure.The magnetic potential of permanent magnet 5, axially excitation compensation control winding 7 magnetic potential and radially the magnetic potential of multi-phase excitation winding 4 constitute the space mixed magnetic circuit with the magnetic system that separately magnetic flux path forms.1 of stator core 2 and mover iron core utilize magnetic bearing, air-bearing or other bearing to connect, and form radial air gap 3.The utility model effectively disposes with the permanent magnet magnetic potential with the axial excitation compensation control winding iron core of the coaxial setting of permanent magnet, axial excitation compensation control winding and multiloop radially electric excitation magnetic potential and combines, and realizes driving.The utility model is by appropriate design and construct magnetic system to obtain the compensatory and controllability to the permanent magnet magnetic potential, can effectively utilize the space of motor simultaneously, thereby under same structure size prerequisite, obtain big torque and good control characteristic.
Description of drawings: Fig. 1 is the structural representation of embodiment one, and Fig. 2 is the structural representation of embodiment two, and Fig. 3 is the structural representation of embodiment three.
Embodiment one: consult Fig. 1, present embodiment by rotor core 1, stator core 2, radially excitation winding 4, permanent magnet 5, axially excitation compensation control winding 7, magnetic conduction end cap 8, magnetic conduction casing 9 and non-magnetic conductive axis 11 are formed.Magnetic conduction casing 9 covers on the outside of stator core 2, and rotor core 1 is arranged on the inside of stator core 2, and rotor changes between the heart 1 and the stator core 2 radial air gap 3.The number of phases by motor on the stator core 2 is provided with some big utmost points, and every phase iron core is big to have some little teeth on extremely, and the tooth center line of the little tooth of adjacent mutually big interpolar differs 1/m tooth pitch (m is the number of phases), disposes radially multi-phase excitation winding 4 on the pole body.Rotor core 1 is set on the non-magnetic conductive axis 11, and rotor core 1 is divided into left rotor iron core 1-1 and the sub-iron core 1-2 that turns right in the center of axis, and the permanent magnet 5 of sheet shape is clipped in the middle of left rotor iron core 1-1 and the sub-iron core 1-2 of right-hand rotation.Also have some little teeth on rotor core 1, the tooth pitch of the rotor core 1 and the little tooth of stator core 2 can be identical, can also be different.The two-stage rotor iron core teeth center line half tooth distance that staggers respectively.Two axial excitation compensation control winding iron cores 6 are separately positioned on the axial both sides of rotor core 1, axially between excitation compensation control winding iron core 6 and the rotor core 1 axial air-gap 10 is arranged, axially excitation compensation control winding 7 is installed on the axial excitation compensation control winding iron core 6, and axially excitation compensation control winding 7 produces and the identical magnetic field of rotor 1 axis direction.The outside of two axial excitation compensation control winding iron cores 6 is respectively equipped with magnetic conduction end cap 8, and magnetic conduction end cap 8 is fixedlyed connected with magnetic conduction casing 9 by screw 8-1.In the magnetic system of axial excitation hybrid magnetoresistive motor, the magnetic flux of permanent magnet 5 is through left rotor iron core 1-1, radial air gap 3, stator core 2, radial air gap 3 and the sub-iron core 1-2 closure of turning right.Axially the magnetic flux of excitation compensation control winding 7 is through axial excitation compensation control winding iron core 6, axial air-gap 10, rotor core 1, radial air gap 3, stator core 2, magnetic conduction casing 9 and magnetic conduction end cap 8 closures.Radially the magnetic flux of multi-phase excitation winding 4 is through every phase pole body, radial air gap 3, rotor core 2, radial air gap 3, adjacent phase pole body and yoke closure.The magnetic potential of permanent magnet 5, axially excitation compensation control winding 7 magnetic potential and radially the magnetic potential of multi-phase excitation winding 4 constitute the space mixed magnetic circuit with the magnetic system that separately magnetic flux path forms.The bearing 11-1 that supports non-magnetic conductive axis 11 is magnetic bearing or air-bearing, so that form radial air gap 3.
Embodiment two: consult Fig. 2, what present embodiment and embodiment one were different is: be provided with non-magnetizer 12 between magnetic conduction casing 9 and stator core 2.In the magnetic system of the axial excitation hybrid magnetoresistive motor of present embodiment, the magnetic flux of permanent magnet 5 is through left rotor iron core 1-1, radial air gap 3, stator core 2, air gap 3 and the sub-iron core 1-2 closure of turning right.Axially the magnetic flux of excitation compensation control winding 7 is through axial excitation compensation control winding iron core 6, axial air-gap 10, left rotor iron core 1-1, radial air gap 3, stator core 2, radial air gap 3, turn right sub-iron core 1-2, axial air-gap 10, magnetic conduction end cap 8, magnetic conduction casing 9 and magnetic conduction end cap 8 closures.Radially the magnetic flux of multi-phase excitation winding 4 is through every phase pole body, radial air gap 3, rotor core 2, radial air gap 3, adjacent phase pole body and yoke closure.The magnetic potential of permanent magnet 5, axially excitation compensation control winding 7 magnetic potential and radially the magnetic potential of multi-phase excitation winding 4 constitute the space mixed magnetic circuit with the magnetic system that separately magnetic flux path forms.
Embodiment three: consult Fig. 3, what present embodiment and embodiment one were different is: be fixed with successively respectively in the outside of the left rotor iron core 1-1 and the sub-iron core 1-2 that turns right axially every magnetic patch 13 and axial iron core 14, axially iron core 14 is controlled between the winding iron core 6 with axial excitation compensation axial air-gap 10.Axially in the magnetic system of excitation hybrid magnetoresistive motor, the magnetic flux of permanent magnet 5 is through rotor core 1-1, radial air gap 3, stator core 2, air gap 3 and rotor core 1-2 closure.Axially the magnetic flux of excitation compensation control winding 7 is through axial excitation compensation control winding iron core 6, axial air-gap 10, rotor core 14, radial air gap 3, stator core 2, magnetic conduction casing 9 and magnetic conduction end cap 8 closures.Radially the magnetic flux of multi-phase excitation winding 4 is through every phase pole body, radial air gap 3, rotor core 2 and axial iron core 14, radial air gap 3, adjacent phase pole body and yoke closure.The magnetic potential of permanent magnet 5, axially excitation compensation control winding 7 magnetic potential and radially the magnetic potential of multi-phase excitation winding 4 constitute the space mixed magnetic circuit with the magnetic system that separately magnetic flux path forms.
Claims (5)
1, axial excitation hybrid magnetoresistive motor, it comprises stator core (2), be installed in the radially excitation winding (4) on the stator core (2), rotor core (1), be installed in the permanent magnet (5) on the rotor core (1), between rotor core (1) and the stator core (2) radial air gap (3) is arranged, it is characterized in that also the magnetizing direction of permanent magnet (5) and rotor core (1) arranged coaxial have axial excitation compensation control winding iron core (6) and axially the excitation compensation control winding (7), two axial excitation compensation control winding iron cores (6) are separately positioned on the axial both sides of rotor core (1), axially between excitation compensation control winding iron core (6) and the rotor core (1) axial air-gap (10) is arranged, axially excitation compensation control winding (7) is installed on the axial excitation compensation control winding iron core (6), and axially excitation compensation control winding (7) produces and the identical magnetic field of rotor (1) axis direction.
2, axial excitation hybrid magnetoresistive motor according to claim 1, it is characterized in that rotor core (1) is set on the non-magnetic conductive axis (11), rotor core (1) is divided into left rotor iron core (1-1) and the sub-iron core (1-2) of turning right in the center of axis, the permanent magnet of sheet shape (5) is clipped in the middle of left rotor iron core (1-1) and the sub-iron core of right-hand rotation (1-2).
3, axial excitation hybrid magnetoresistive motor according to claim 2, the bearing (11-1) that it is characterized in that supporting non-magnetic conductive axis (11) is magnetic bearing or air-bearing.
4, according to claim 1,2 or 3 described axial excitation hybrid magnetoresistive motors, it is characterized in that between magnetic conduction casing (9) and stator core (2), being provided with non-magnetizer (12).
5, according to claim 1,2 or 3 described axial excitation hybrid magnetoresistive motors, it is characterized in that being fixed with successively respectively in the outside of the left rotor iron core (1-1) and the sub-iron core (1-2) of turning right axially every magnetic patch (13) and axial iron core (14), axially iron core (14) compensates to control between the winding iron core (6) with axial excitation axial air-gap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03213381 CN2617071Y (en) | 2003-05-21 | 2003-05-21 | Axial excitation-mixed reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03213381 CN2617071Y (en) | 2003-05-21 | 2003-05-21 | Axial excitation-mixed reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2617071Y true CN2617071Y (en) | 2004-05-19 |
Family
ID=34242341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03213381 Expired - Lifetime CN2617071Y (en) | 2003-05-21 | 2003-05-21 | Axial excitation-mixed reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2617071Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969242A (en) * | 2010-09-21 | 2011-02-09 | 哈尔滨工业大学 | Permanent magnet fluid treating device |
| CN102290892A (en) * | 2010-06-18 | 2011-12-21 | 顾愈宝 | Permanent magnet motor with low braking loss |
| CN108988534A (en) * | 2018-08-20 | 2018-12-11 | 中车永济电机有限公司 | A kind of high speed permanent magnet motor rotor and its processing method |
-
2003
- 2003-05-21 CN CN 03213381 patent/CN2617071Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290892A (en) * | 2010-06-18 | 2011-12-21 | 顾愈宝 | Permanent magnet motor with low braking loss |
| CN101969242A (en) * | 2010-09-21 | 2011-02-09 | 哈尔滨工业大学 | Permanent magnet fluid treating device |
| CN108988534A (en) * | 2018-08-20 | 2018-12-11 | 中车永济电机有限公司 | A kind of high speed permanent magnet motor rotor and its processing method |
| CN108988534B (en) * | 2018-08-20 | 2020-06-19 | 中车永济电机有限公司 | High-speed permanent magnet motor rotor and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |