CN220527846U - Double-stator motor - Google Patents
Double-stator motor Download PDFInfo
- Publication number
- CN220527846U CN220527846U CN202322043892.0U CN202322043892U CN220527846U CN 220527846 U CN220527846 U CN 220527846U CN 202322043892 U CN202322043892 U CN 202322043892U CN 220527846 U CN220527846 U CN 220527846U
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- Prior art keywords
- stator
- rotor
- interior
- outer stator
- double
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000004804 winding Methods 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to the technical field of motors, in particular to a double-stator motor. The double-stator motor comprises an inner stator, an outer stator and a rotor, wherein the outer stator is coaxially arranged outside the inner stator, the rotor is arranged between the inner stator and the outer stator, the outer stator comprises an outer stator core and an outer stator winding, the inner stator comprises an inner stator core and an inner stator winding, the outer stator core, the inner stator core and the rotor are coaxially sleeved, the inner stator winding and the outer stator winding are identical in phase of space arrangement, the rotor comprises a magnetic steel ring and an air groove, the magnetic steel ring and the air groove are arranged between the inner stator and the outer stator, and the magnetic steel ring can rotate relative to the inner stator and the outer stator.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a double-stator motor.
Background
With the shortage of global energy, the trend of new energy automobiles gradually replacing traditional diesel locomotives is still unblockable. One of the core components of the new energy electric vehicle is a motor. With the development of motor technology and permanent magnet materials, permanent magnet motors are widely used with the advantages of high efficiency, high power density, high power factor and the like. At present, most of traditional permanent magnet motors are of single-stator structures, wherein the structures of outer stator and inner rotor are the most, and an air gap magnetic field of the structure is not easy to adjust, so that a double-stator motor is generated. The double-stator motor has an inner stator and an outer stator, and has the characteristics of high power density, strong overload capacity, high material utilization rate and the like.
At present, the most common double-stator motor has a concentric structure, the motor with the concentric structure adopts a cup-shaped rotor structure, however, the problem that the angle of the magnetic steel is deviated easily occurs in the pasting process of the magnetic steel on the inner wall and the outer wall, the service performance of the whole motor is affected, and meanwhile, an iron core formed by magnetic conductive materials is often arranged in the rotor to serve as a magnetic field passage, so that the mechanical inertia of the rotor is relatively large.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects in the prior art and provides a double-stator motor.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a double-stator motor includes interior stator, outer stator and rotor, outer stator coaxial arrangement is in the interior stator outside, the rotor sets up including between stator and outer stator, outer stator includes outer stator core and outer stator winding, the interior stator includes interior stator core and interior stator winding, outer stator core, interior stator core and rotor three cup joint the setting coaxially, interior stator winding is the same at the phase place of spatial arrangement with outer stator winding, the rotor includes magnetic steel ring and air groove, magnetic steel ring and air groove set up between interior stator and outer stator, the magnetic steel ring can rotate for interior stator and outer stator.
Further, the magnet steel on the magnet steel ring is evenly arranged at intervals along the circumferential direction of the magnet steel ring.
Further, the air groove penetrates through the rotor, is annularly arranged in the rotor, and is attached between the magnetic steel rings.
Further, the outer stator winding and the inner stator winding are two-phase, three-phase or multiple sets of multiple windings and are uniformly embedded in the outer stator and the inner stator.
Furthermore, the magnetic steel ring is made of rare earth permanent magnetic materials with high coercivity and high remanence density, and the outer layer of the air groove is made of high-strength non-magnetic conductive materials and is used for isolating a magnetic field.
The beneficial effects of the utility model are as follows:
1. according to the double-stator motor, the magnetic steel rings are arranged in a layered mode, so that the problem that angle deviation exists in the magnetic steel pasting process is avoided, and the service performance of the motor is improved;
2. according to the double-stator motor, the air grooves are formed, so that magnetic leakage can be effectively reduced;
3. according to the double-stator motor, the internal and external double-stator structure is adopted, so that the magnetic resistance is effectively reduced, the power factor and the linear load are improved, and the electromagnetic torque amplitude is further improved.
Drawings
The utility model will be further described with reference to the drawings and embodiments.
FIG. 1 is a schematic diagram of the structure of the utility model;
FIG. 2 is a schematic structural view of a rotor;
in the figure: 1. an inner stator; 2. an outer stator; 3. a rotor; 1-1, an inner stator iron core; 1-2, an inner stator winding; 2-1, an outer stator core; 2-2, an outer stator winding; 3-1, a magnetic steel ring; 3-2, an air groove.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
As shown in fig. 1-2, a double-stator motor includes an inner stator 1, an outer stator 2 and a rotor 3, the outer stator 2 is coaxially arranged outside the inner stator 1, the rotor 3 is arranged between the inner stator 1 and the outer stator 2, the outer stator 2 includes an outer stator core 2-1 and an outer stator winding 2-2, the inner stator 1 includes an inner stator core 1-1 and an inner stator winding 1-2, the outer stator core 2-1, the inner stator core 1-1 and the rotor 3 are coaxially sleeved, the phases of the inner stator winding 1-2 and the outer stator winding 2-2 in space arrangement are the same, the rotor 3 includes a magnetic steel ring 3-1 and an air slot 3-2, the magnetic steel ring 3-1 and the air slot 3-2 are arranged between the inner stator 1 and the outer stator 2, and the magnetic steel ring 3-1 can rotate relative to the inner stator 1 and the outer stator 2.
The two sides of the magnetic steel ring 3-1, which are attached to the air groove 3-2, are respectively provided with a magnetic steel on the magnetic steel ring 3-1, and the magnetic steels on the magnetic steel ring 3-1 are uniformly arranged at intervals along the circumferential direction of the magnetic steel ring 3-1.
The air groove 3-2 penetrates through the rotor 3, is annularly arranged in the rotor 3, and is arranged between the magnetic steel rings 3-1 in a fitting manner.
The outer stator winding 2-2 and the inner stator winding 1-2 are two-phase, three-phase or multiple sets of multiple windings and are uniformly embedded in the outer stator 2 and the inner stator 1.
The magnetic steel ring 3-1 is made of rare earth permanent magnetic material with high coercive force and high residual magnetism density, and the outer layer of the air groove 3-2 is made of high-strength non-magnetic conductive material for isolating a magnetic field.
According to the double-stator motor, the magnetic steel rings 3-1 on the two sides are separated by the air grooves 3-2, so that the problem that the magnetic steel has angle deviation in the pasting process is avoided, the service performance of the motor is improved, and the magnetic leakage is effectively reduced. The magnetic steel ring 3-1 and the air groove 3-2 in the rotor form a rotary whole through the connection between the magnetic steel ring and the air groove, and the rotary moment can be reliably and stably realized.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (5)
1. A double stator motor, characterized in that: including interior stator (1), outer stator (2) and rotor (3), outer stator (2) coaxial set up in the interior stator (1) outside, rotor (3) set up interior stator (1) with between outer stator (2), outer stator (2) include outer stator core (2-1) and outer stator winding (2-2), interior stator (1) include interior stator core (1-1) and interior stator winding (1-2), interior stator core (2-1), interior stator core (1-1) and rotor (3) three coaxial cup joint the setting, interior stator winding (1-2) with the phase place of outer stator winding (2-2) in spatial arrangement is the same, rotor (3) include magnet steel ring (3-1) interior stator and air tank (3-2), magnet steel ring (3-1) with air tank (3-2) set up in between interior stator (1) and outer stator (2), magnet steel ring (3-1) can rotate for interior stator (1) and outer stator (2).
2. A double stator motor as claimed in claim 1, wherein: the magnetic steel rings (3-1) are attached to the two sides of the air groove (3-2), and the magnetic steels on the magnetic steel rings (3-1) are evenly arranged at intervals along the circumferential direction of the magnetic steel rings (3-1).
3. A double stator motor as claimed in claim 1, wherein: the air groove (3-2) penetrates through the rotor (3), the air groove (3-2) is annularly arranged in the rotor (3), and the air groove (3-2) is attached between the magnetic steel rings (3-1).
4. A double stator motor as claimed in claim 1, wherein: the outer stator winding (2-2) and the inner stator winding (1-2) are two-phase, three-phase or multiple sets of multiple windings, and the outer stator winding (2-2) and the inner stator winding (1-2) are uniformly embedded in the outer stator (2) and the inner stator (1).
5. A double stator motor as claimed in claim 1, wherein: the magnetic steel ring (3-1) is made of rare earth permanent magnetic materials with high coercivity and high remanence density, and the outer layer of the air groove (3-2) is made of high-strength non-magnetic conductive materials and is used for isolating a magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322043892.0U CN220527846U (en) | 2023-07-31 | 2023-07-31 | Double-stator motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322043892.0U CN220527846U (en) | 2023-07-31 | 2023-07-31 | Double-stator motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527846U true CN220527846U (en) | 2024-02-23 |
Family
ID=89923825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322043892.0U Active CN220527846U (en) | 2023-07-31 | 2023-07-31 | Double-stator motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527846U (en) |
-
2023
- 2023-07-31 CN CN202322043892.0U patent/CN220527846U/en active Active
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