CN113328595A - Novel birotor vernier motor structure - Google Patents
Novel birotor vernier motor structure Download PDFInfo
- Publication number
- CN113328595A CN113328595A CN202110617999.4A CN202110617999A CN113328595A CN 113328595 A CN113328595 A CN 113328595A CN 202110617999 A CN202110617999 A CN 202110617999A CN 113328595 A CN113328595 A CN 113328595A
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- China
- Prior art keywords
- rotor
- stator
- speed
- magnetic
- torque
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
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- 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
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention provides a novel dual-rotor vernier motor structure, and belongs to the technical field of motor structures. The stator portion includes: a stator core, a stator winding; the rotor portion includes: a magnetic adjusting ring rotor, a high-speed rotor and a rotating shaft. The motor stator part adopts a split tooth structure, the stator tooth part is provided with a groove shape to form split teeth, and the stator winding adopts a centralized winding, so that the positioning torque is reduced, the groove filling rate is high, and the torque fluctuation is small; the skewed slot structure of the stator tooth part can reduce the cogging torque, and the split teeth of the stator tooth part can improve the back electromotive force and the torque density of the vernier motor. The motor rotor part is divided into a high-speed rotor and a magnetic adjusting ring rotor, and the high-speed rotor is of a surface-mounted permanent magnet structure; the magnetic regulating ring rotor is composed of 18 permanent magnet blocks and is arranged in a magnetic regulating ring rotor core, the magnetic regulating ring rotor can regulate magnetic field distribution, vibration noise is reduced, and the magnetic regulating ring rotor rotates at a speed lower than that of a high-speed rotor, so that the rotating speed can be reduced, and torque can be amplified.
Description
Technical Field
The invention relates to a novel dual-rotor vernier motor structure, and belongs to the technical field of motor structures.
Background
Since the advent of motors, people found efficient bridges for interconversion between electric energy and mechanical energy, but different requirements were put forward on the motors in different application occasions, and performance requirements of high torque density, low speed and large torque were put forward in the fields of ship driving, electric automobile hub motors and the like. The traditional motor generally adopts the mutual matching of a motor and a mechanical gear to realize low-speed and large-torque output, but the mechanical gear is easy to damage and has large vibration noise, and then a magnetic gear structure is provided.
Disclosure of Invention
The invention aims to provide a novel double-rotor vernier motor structure to solve the problems of cogging torque, high vibration noise, poor torque transmission capability and the like generated by low-speed and high-torque output.
In order to achieve the purpose, the invention adopts the following technical scheme: a novel dual-rotor vernier motor structure is provided. The stator includes: stator core, stator winding. The stator teeth are provided with groove-shaped split teeth, 1 stator tooth is provided with 3 grooves to form 4 split teeth, the middle part of the split teeth is of a straight groove structure, and the left side and the right side of the split teeth are of inclined groove structures; the skewed slot structure can reduce the cogging torque, split teeth can improve the back electromotive force and the torque density of the vernier motor, and the torque output capacity is enhanced.
As an improvement of the technical scheme, 18 permanent magnet blocks which are adjacent to each other by 20 degrees are arranged in a magnetic adjusting ring rotor iron core, the magnetic adjusting ring rotor can improve the magnetic field distribution and reduce the vibration noise of the motor, the magnetic adjusting ring rotor can rotate at a speed lower than that of a high-speed rotor, and the rotating speed can be reduced and the torque can be amplified like a mechanical gear.
As an improvement of the technical scheme, the high-speed rotor is composed of 4 permanent magnet blocks with the thickness of 37.58mm and the circumferential angle of 88 degrees, and the magnetic field generated by the high-speed rotor with the structure can be better coupled with the magnetic field of the stator, so that the output torque fluctuation is small.
Through foretell novel birotor vernier motor structure can effectively reduce the tooth's socket torque that appears when the big torque of low-speed, effectively improve vibration noise big, torque transmission ability subalternation problem.
Drawings
Fig. 1 is a schematic diagram of a novel dual-rotor vernier motor structure according to the present invention.
Fig. 2 is a stator tooth skewed slot and split tooth configuration.
Fig. 3 is a schematic structural diagram of a magnetic adjusting ring rotor.
Fig. 4 is a schematic view of a high speed rotor configuration.
Shown in the figure: 1. a stator core; 2. a magnetic adjusting ring rotor; 3. a magnetic flux regulating rotor permanent magnet; 4. a high-speed rotor; 5 high-speed rotor permanent magnets; 6. a rotating shaft.
Detailed Description
The present invention will be further described with reference to specific embodiments in order to achieve an understandable effect of technical means, creation features, effects and requirements of the present invention.
Referring to fig. 1, the present invention provides a novel dual-rotor vernier motor structure, which is characterized in that: the stator tooth part is provided with a skewed slot, a straight slot, split teeth, a magnetic adjusting ring rotor structure and a high-speed rotor structure.
The stator tooth part structure is shown in the attached figure 2, the stator tooth part is provided with groove-shaped split teeth, the middle part of the stator tooth part is provided with a straight groove structure, two sides of the stator tooth part are provided with chute structures, the inclination angle of each chute is 77 degrees, the chute structures can reduce the cogging torque, and the split tooth structures can improve the back electromotive force and the torque density of the vernier motor.
The structure of the magnetic regulating ring rotor is shown in figure 3, the magnetic regulating ring rotor is composed of 18 permanent magnet blocks which are adjacent to each other by 20 degrees, and the magnetic regulating ring rotor can reduce the rotating speed and realize large torque output.
The structure of the high-speed rotor is shown in the attached figure 4, the high-speed rotor adopts a surface-mounted permanent magnet structure, magnetic field generated by the high-speed rotor can be mutually coupled with a stator magnetic field, and torque output fluctuation is small.
The present embodiments are merely exemplary of the present patent and do not limit the scope of the patent, and those skilled in the art may make modifications to the parts thereof without departing from the spirit and scope of the patent.
Claims (1)
1. The utility model provides a novel birotor vernier motor structure which characterized in that: the stator tooth part is provided with a chute and a split tooth structure, and the rotor is divided into a magnetic adjusting ring rotor and a high-speed rotor; the stator tooth part is grooved to form 4 split teeth, the middle part of the stator tooth part is of a straight groove structure, the left part and the right part of the stator tooth part are of chute structures, and the inclination angle of each chute is 77 degrees; the magnetic adjusting ring rotor is formed by arranging 18 permanent magnets in a magnetic adjusting ring rotor core, the included angle of two adjacent permanent magnets is 20 degrees, and the thickness is 7.53 mm; the high-speed rotor is composed of four permanent magnets, the thickness of each permanent magnet is 37.58mm, and the circumferential angle occupied by each permanent magnet is 88 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617999.4A CN113328595A (en) | 2021-06-03 | 2021-06-03 | Novel birotor vernier motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617999.4A CN113328595A (en) | 2021-06-03 | 2021-06-03 | Novel birotor vernier motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113328595A true CN113328595A (en) | 2021-08-31 |
Family
ID=77419449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110617999.4A Pending CN113328595A (en) | 2021-06-03 | 2021-06-03 | Novel birotor vernier motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113328595A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011114897A (en) * | 2009-11-25 | 2011-06-09 | Nidec Servo Corp | Two-phase hybrid rotary electric machine |
| US20130057091A1 (en) * | 2011-09-01 | 2013-03-07 | Samsung Electro-Mechanics Co., Ltd. | Switched reluctance motor |
| WO2016001495A2 (en) * | 2014-07-04 | 2016-01-07 | Whylot Sas | Radial-flux electromagnetic motor comprising multiple air gaps and a rotor surrounded by two stators, with reduced cogging torque |
| CN108900055A (en) * | 2018-09-06 | 2018-11-27 | 无锡力必特自动化设备有限公司 | A kind of carnassial tooth stator/rotor permanent magnet vernier motor of uneven arrangement |
| CN112615525A (en) * | 2020-11-30 | 2021-04-06 | 珠海格力电器股份有限公司 | Magnetic gear and composite motor with same |
-
2021
- 2021-06-03 CN CN202110617999.4A patent/CN113328595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011114897A (en) * | 2009-11-25 | 2011-06-09 | Nidec Servo Corp | Two-phase hybrid rotary electric machine |
| US20130057091A1 (en) * | 2011-09-01 | 2013-03-07 | Samsung Electro-Mechanics Co., Ltd. | Switched reluctance motor |
| WO2016001495A2 (en) * | 2014-07-04 | 2016-01-07 | Whylot Sas | Radial-flux electromagnetic motor comprising multiple air gaps and a rotor surrounded by two stators, with reduced cogging torque |
| CN108900055A (en) * | 2018-09-06 | 2018-11-27 | 无锡力必特自动化设备有限公司 | A kind of carnassial tooth stator/rotor permanent magnet vernier motor of uneven arrangement |
| CN112615525A (en) * | 2020-11-30 | 2021-04-06 | 珠海格力电器股份有限公司 | Magnetic gear and composite motor with same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210831 |
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| WD01 | Invention patent application deemed withdrawn after publication |