CN114069999A - A parallel-shaft dual-rotor permanent magnet synchronous motor structure - Google Patents
A parallel-shaft dual-rotor permanent magnet synchronous motor structure Download PDFInfo
- Publication number
- CN114069999A CN114069999A CN202111541130.2A CN202111541130A CN114069999A CN 114069999 A CN114069999 A CN 114069999A CN 202111541130 A CN202111541130 A CN 202111541130A CN 114069999 A CN114069999 A CN 114069999A
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- Prior art keywords
- rotor
- parallel
- permanent magnet
- motor
- magnet synchronous
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 23
- 239000002356 single layer Substances 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
-
- 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
-
- 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
- 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
- H02K1/278—Surface mounted magnets; Inset magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
本发明提供了一种并轴式双转子永磁同步电机结构，属于电机结构技术领域。并轴式双转子电机由定子部分、转子部分构成。定子部分包括：定子铁心、左侧定子绕组、右侧定子绕组；转子部分包括：永磁体、左侧转子铁心、右侧转子铁心、左侧转轴、右侧转轴。所述电机采用双转子结构，定子绕组采用单层绕组，两侧绕组排布以并接区中心轴线对称分布，两转子上永磁体极性以并接区中心轴线相反分布。左右两侧两转子产生大小相同但方向相反的转矩和转速，可在并行对驱设备中替代齿轮传动结构实现并行对驱功能。
The invention provides a parallel-shaft dual-rotor permanent magnet synchronous motor structure, which belongs to the technical field of motor structures. The parallel-shaft dual-rotor motor consists of a stator part and a rotor part. The stator part includes: stator core, left stator winding, and right stator winding; the rotor part includes: permanent magnet, left rotor core, right rotor core, left shaft, and right shaft. The motor adopts a double rotor structure, the stator winding adopts a single-layer winding, the windings on both sides are arranged symmetrically with the central axis of the parallel connection area, and the polarities of the permanent magnets on the two rotors are oppositely distributed along the central axis of the parallel connection area. The two rotors on the left and right sides generate torque and rotational speed of the same magnitude but opposite directions, which can replace the gear transmission structure in the parallel drive equipment to realize the parallel drive function.
Description
Technical Field
The invention relates to a parallel shaft type double-rotor permanent magnet synchronous motor structure, and belongs to the technical field of motor structures.
Background
Since the appearance of motors, people find a mutually efficient matched bridge in the interconversion between electric energy and mechanical energy, but different requirements are provided for motor structures in different application occasions, and a motor is frequently used in traditional parallel counter-driving equipment such as a double-screw compressor and the like to drive double shafts to rotate in a mutually matched mode through a gear transmission structure so as to realize a parallel counter-driving function.
Disclosure of Invention
The invention aims to provide a parallel shaft type double-rotor permanent magnet synchronous motor structure, so as to save a gear transmission structure in the traditional parallel counter drive equipment, reduce the volume and weight of the equipment and reduce the maintenance cost of the equipment.
In order to achieve the purpose, the invention adopts the following technical scheme: a shaft-combining type double-rotor permanent magnet synchronous motor structure is provided, and a stator part comprises: stator core, left side stator winding, right side stator winding. The stator core used by the motor is different from the traditional motor core structure and is in an infinity shape; the windings on the two sides are symmetrically distributed about the central axis of the parallel connection area, the windings on the two sides are arranged in a consistent manner, but in order to reduce the mutual influence of magnetic fields generated by the windings on the two sides, the windings on the left side and the right side independently supply power.
As an improvement of the technical scheme, rotor structures on the left side and the right side are arranged in a stator core cavity, the rotor structures on the two sides are respectively 8 permanent magnets which are 9mm thick and occupy 34 degrees of circumferential angle and are attached to the rotor core, and the polarities of the permanent magnets on the rotors on the two sides are oppositely distributed relative to the central axis of the splicing region. .
The parallel-shaft type double-rotor permanent magnet synchronous motor structure can replace the gear transmission and structure in the traditional parallel counter-drive equipment, reduce the volume and weight of the equipment and reduce the maintenance cost of the equipment.
Drawings
Fig. 1 is a schematic diagram of a structure of a parallel shaft type dual-rotor permanent magnet synchronous motor of the invention.
Fig. 2 is a schematic view of a stator structure.
FIG. 3 is a schematic diagram of a parallel connection region.
Fig. 4 is a schematic structural view of the left and right rotors.
Shown in the figure: 1. a stator core; 2. a left rotating shaft; 3. a left rotor core; 4. a right rotating shaft; 5. a right rotor core; 6. and a splicing region central axis.
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 the attached drawing 1, the invention provides a parallel shaft type dual-rotor permanent magnet synchronous motor, which is characterized in that: an infinite stator structure, a parallel connection zone structure and a left and right double-rotor structure.
The structure of the stator is shown in figure 2, a stator core is in an infinity shape, a stator winding is divided into a left part and a right part, the left side winding and the right side winding both adopt single-layer windings, the windings are arranged in a consistent manner, and the left side winding and the right side winding independently supply power.
The splicing region structure is shown in figure 3, and the splicing region structure exists in the central area of the motor, and the motor is symmetrical about the central axis of the splicing region.
The left and right double-rotor structures refer to the attached figure 4, the left and right sides are respectively provided with 8 permanent magnet bodies with the thickness of 9mm and the occupied central angle of 34 degrees, the permanent magnet bodies are attached to the iron cores of the rotors with the same size, and the polarities of the permanent magnet bodies on the rotors at the two sides are distributed in an opposite way by the central axis of the parallel connection area.
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 (4)
1. The utility model provides a shaft formula birotor PMSM structure which characterized in that: the motor adopts a special stator core structure, a parallel connection area structure exists in the central area of the motor, and rotor structures on the left side and the right side exist in a stator core cavity.
2. The parallel-shaft type dual-rotor permanent magnet synchronous motor structure of claim 1, wherein: the infinity-shaped stator core structure is adopted, the left side winding and the right side winding adopt single-layer windings and are symmetrically distributed along the central axis of the parallel connection region, and the left side winding and the right side winding independently supply power.
3. The parallel-shaft type dual-rotor permanent magnet synchronous motor structure of claim 1, wherein: and a splicing area structure exists in the central area of the motor, and the motor structure is symmetrical about the central axis of the splicing area.
4. The parallel-shaft type dual-rotor permanent magnet synchronous motor structure of claim 1, wherein: the rotors on the left side and the right side are respectively pasted on the rotor iron core by 8 permanent magnet bodies with the thickness of 9mm and the occupied central angle of 34 degrees, and the polarities of the permanent magnets on the rotors on the two sides are oppositely distributed relative to the central axis of the splicing region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111541130.2A CN114069999A (en) | 2021-12-16 | 2021-12-16 | A parallel-shaft dual-rotor permanent magnet synchronous motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111541130.2A CN114069999A (en) | 2021-12-16 | 2021-12-16 | A parallel-shaft dual-rotor permanent magnet synchronous motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114069999A true CN114069999A (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111541130.2A Pending CN114069999A (en) | 2021-12-16 | 2021-12-16 | A parallel-shaft dual-rotor permanent magnet synchronous motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114069999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313789A (en) * | 2022-08-31 | 2022-11-08 | 哈尔滨理工大学 | Stator coupling area structure of radial double-parallel rotor motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04178143A (en) * | 1990-11-07 | 1992-06-25 | Sumitomo Special Metals Co Ltd | Integral type two-shaft synchronous driving motor |
| CN106712419A (en) * | 2017-03-02 | 2017-05-24 | 沈阳工业大学 | Horizontal 8-shaped conjoined permanent magnet motor stator |
| CN106849486A (en) * | 2017-03-02 | 2017-06-13 | 沈阳工业大学 | It is a kind of parallel to driving Contiuum type magneto double screw pump system |
| CN106849580A (en) * | 2017-03-02 | 2017-06-13 | 沈阳工业大学 | It is a kind of parallel to driving Contiuum type magneto |
| CN110571988A (en) * | 2019-09-25 | 2019-12-13 | 南京理工大学 | A Design Method of Modular Combination Embedded Permanent Magnet Synchronous Motor |
-
2021
- 2021-12-16 CN CN202111541130.2A patent/CN114069999A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04178143A (en) * | 1990-11-07 | 1992-06-25 | Sumitomo Special Metals Co Ltd | Integral type two-shaft synchronous driving motor |
| CN106712419A (en) * | 2017-03-02 | 2017-05-24 | 沈阳工业大学 | Horizontal 8-shaped conjoined permanent magnet motor stator |
| CN106849486A (en) * | 2017-03-02 | 2017-06-13 | 沈阳工业大学 | It is a kind of parallel to driving Contiuum type magneto double screw pump system |
| CN106849580A (en) * | 2017-03-02 | 2017-06-13 | 沈阳工业大学 | It is a kind of parallel to driving Contiuum type magneto |
| CN110571988A (en) * | 2019-09-25 | 2019-12-13 | 南京理工大学 | A Design Method of Modular Combination Embedded Permanent Magnet Synchronous Motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313789A (en) * | 2022-08-31 | 2022-11-08 | 哈尔滨理工大学 | Stator coupling area structure of radial double-parallel rotor motor |
| CN115313789B (en) * | 2022-08-31 | 2024-04-30 | 哈尔滨理工大学 | Stator coupling area structure of radial double-parallel rotor motor |
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