CN203104235U - Low noise concentric double stator switched reluctance motor - Google Patents
Low noise concentric double stator switched reluctance motor Download PDFInfo
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- CN203104235U CN203104235U CN 201320090047 CN201320090047U CN203104235U CN 203104235 U CN203104235 U CN 203104235U CN 201320090047 CN201320090047 CN 201320090047 CN 201320090047 U CN201320090047 U CN 201320090047U CN 203104235 U CN203104235 U CN 203104235U
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- stator
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- switched reluctance
- motor
- reluctance motor
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- 238000004804 winding Methods 0.000 claims abstract description 13
- 230000010349 pulsation Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 241000239290 Araneae Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a low-noise concentric dual-stator switched reluctance motor which comprises an outer stator, an inner stator, a doubly-salient cup type rotor and a motor base, and is characterized in that both the inner stator and the outer stator comprise stator cores and windings; the same-phase windings of the inner stator and the outer stator are serially connected in the same direction; a magnetic path formed between the outer stator and the rotor is serially connected with that formed between the inner stator and the rotor; and the mechanical angle between the inner stator and the outer stator is 360/2/m/Nr degrees, wherein m is the phase number of the motor and Nr is the pole number of the rotor. When the switched reluctance motor serves as a motor, the vibration and noise of the switched reluctance motor can be reduced, and at the same time, the switched reluctance motor has the characteristics of low rotational inertia and quick response; and when the switched reluctance motor serves as a power generator, the output voltage pulsation can be reduced.
Description
Technical field
The utility model relates to the switched reluctance machines technical field, is specifically related to a kind of low noise concentric type magnetic resistant electric motor with double stator switch.
Background technology
That switched reluctance machines has is simple in structure, superior performance, reliability advantages of higher, this makes switched reluctance machines have many potential applications, all can be used widely in various speed governing and the high efficiency occasions of needing, as every field such as electric automobile, household electrical appliance, textile machine, power transmission systems.Along with growth in the living standard, people are more and more higher to the requirement that reduces ambient noise, but a problem of the maximum that common switched reluctance machines exists is exactly that torque pulsation is big, and vibration noise is big, and this has seriously restricted the development and application of switched reluctance machines.
Two stator motors have two stators, both can do the motor operation, also can make generator operation.Advantage such as this type of motor has that torque ripple is little, precision is high, response is fast, mechanical integrated level height, motor material utilance height and driving control system are versatile and flexible, under limited working space condition, can reduce the volume and weight of mechanical system greatly, improve utilization of space, the precision of raising system and dynamic property, thereby be with a wide range of applications in Digit Control Machine Tool, electric automobile, robot, field of wind power generation.
The advantage of two stator motors just in time can solve the shortcoming that the switched reluctance machines torque ripple is big, noise is big, therefore the two is combined and just produced a kind of low noise concentric type magnetic resistant electric motor with double stator switch, not only can solve the big shortcoming of switched reluctance machines torque ripple, it is little also to make motor have moment of inertia simultaneously, responds fast characteristics.
Summary of the invention
In order to overcome the existing big shortcoming of switched reluctance machines vibration noise, the utility model provides a kind of low noise concentric type magnetic resistant electric motor with double stator switch.
The technical scheme that its technical problem that solves the utility model adopts is: this low noise concentric type magnetic resistant electric motor with double stator switch primary structure comprises external stator, internal stator, cup type biconvex utmost point rotor, support.External stator is formed by stator core and winding in described, interior external stator homophase winding series aiding connection, and internal stator and rotor are connected with external stator and the formed interior external magnetic circuit of rotor.Interior external stator differs 360/2/m/N
rThe degree mechanical angle (when even motor is 3 phases, 6/4 utmost point, differs 15 degree mechanical angles; When if motor is 4 phases, 8/6 utmost point, differ 7.5 degree mechanical angles), wherein m is a number of motor phases, N
rBe the rotor number of poles.Like this by interior external stator to the torque phase shift stack that rotor produces, make total torque ripple reduce, to reach the purpose that reduces to vibrate with noise.
Described rotor is a biconvex electrode structure cup rotor.
External stator differs 360/2/m/N in described
rThe degree mechanical angle, the inside and outside salient pole of rotor differs 0 degree.
External stator homophase winding series aiding connection in described, internal stator and rotor are connected with external stator and the formed interior external magnetic circuit of rotor.
In sum, low noise concentric type magnetic resistant electric motor with double stator switch provided by the utility model has following advantage:
1, reduces vibration and the noise of motor torque ripple to reduce motor;
2, the motor moment of inertia is little, and response speed is fast;
During 3, as generator, can reduce the pulsation of output voltage;
4, can directly use original drive control apparatus, not as special transformation.
Description of drawings
Fig. 1 is the sectional view of low noise concentric type magnetic resistant electric motor with double stator switch provided by the utility model.
Fig. 2 is the installation diagram of low noise concentric type magnetic resistant electric motor with double stator switch provided by the utility model.
Wherein, 1. external stator iron core, 2. external stator winding, 3. outer air gap, 4. interior air gap, 5. internal stator winding, 6. rotor, 7. internal stator iron core, the 8. outer salient pole of rotor, 9. salient pole in the rotor, 10. support, 11. rotor field spiders, 12,13,14. bearings, 15. rotating shafts, 16. internal stator supports, 17. footing is the mechanical angle that is differed between the interior external stator.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
See also illustrated in figures 1 and 2: the primary structure of low noise concentric type magnetic resistant electric motor with double stator switch provided by the utility model comprises: external stator iron core 1, external stator winding 2, outer air gap 3, interior air gap 4, internal stator winding 5, rotor 6, internal stator iron core 7, the outer salient pole 8 of rotor, salient pole 9 in the rotor, support 10, rotor field spider 11, bearing 12,13,14, rotating shaft 15, internal stator support 16, footing 17.
Wherein, rotor 6 between external stator unshakable in one's determination 1 and internal stator iron core 7, external stator winding 2 and internal stator winding 5 homophase series aiding connections.
Between external stator unshakable in one's determination 1 and the rotor 6 is outer air gap 3, is interior air gap 4 between internal stator iron core 7 and the rotor 6.
As shown in Figure 1, this low noise concentric type magnetic resistant electric motor with double stator switch is 4 8/6 utmost point motors mutually, differs 7.5 degree mechanical angles between its external stator unshakable in one's determination 1 and the internal stator iron core 7, i.e. degree, and the inside and outside salient pole of rotor differs 0 degree.
As shown in Figure 2, internal stator iron core 7 links to each other with rotating shaft 15 by bearing 13,14, rotor 6 is fixed in the rotating shaft 15 by rotor field spider 11, and internal stator iron core 7 is fixed on the support 10 by internal stator support 16, and external stator iron core 1 directly is embedded in the interior circle of support 10.
In sum, the utility model has been made further detailed description by above its embodiment by the accompanying drawing illustrated embodiment, only limits to described example but should not be construed as protection range of the present utility model.
Claims (2)
1. a low noise concentric type magnetic resistant electric motor with double stator switch comprises external stator, internal stator, biconvex utmost point cup rotor and support, it is characterized in that: described internal stator and external stator are formed by stator core and winding; The same phase winding series aiding connection of described internal stator and external stator; Between described external stator and the rotor with internal stator and rotor between formed magnetic circuit connect; Differ 360/2/m/N between described internal stator and the external stator
rThe degree mechanical angle, wherein m is a number of motor phases, N
rBe the rotor number of poles.
2. low noise concentric type magnetic resistant electric motor with double stator switch according to claim 1 is characterized in that: the inside and outside salient pole of described biconvex utmost point cup rotor differs 0 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090047 CN203104235U (en) | 2013-02-28 | 2013-02-28 | Low noise concentric double stator switched reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090047 CN203104235U (en) | 2013-02-28 | 2013-02-28 | Low noise concentric double stator switched reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104235U true CN203104235U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320090047 Expired - Fee Related CN203104235U (en) | 2013-02-28 | 2013-02-28 | Low noise concentric double stator switched reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104235U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022608A (en) * | 2013-02-28 | 2014-09-03 | 哈尔滨理工大学 | Method reducing switch magnetic resistance motor noise, and switch magnetic resistance motor |
| CN104022609A (en) * | 2014-06-11 | 2014-09-03 | 嘉兴学院 | Novel double-stator low-pulsating-torque stepping motor |
| EP3128658A4 (en) * | 2014-04-02 | 2017-11-29 | IHI Corporation | Double-stator switched reluctance dynamo |
| CN118300355A (en) * | 2024-04-19 | 2024-07-05 | 中原工学院 | Double-stator magnetic field modulation permanent magnet motor with tangential excitation of stator notch |
-
2013
- 2013-02-28 CN CN 201320090047 patent/CN203104235U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022608A (en) * | 2013-02-28 | 2014-09-03 | 哈尔滨理工大学 | Method reducing switch magnetic resistance motor noise, and switch magnetic resistance motor |
| EP3128658A4 (en) * | 2014-04-02 | 2017-11-29 | IHI Corporation | Double-stator switched reluctance dynamo |
| US10367398B2 (en) | 2014-04-02 | 2019-07-30 | Ihi Corporation | Double-stator switched reluctance rotating machine |
| CN104022609A (en) * | 2014-06-11 | 2014-09-03 | 嘉兴学院 | Novel double-stator low-pulsating-torque stepping motor |
| CN104022609B (en) * | 2014-06-11 | 2016-08-10 | 嘉兴学院 | Novel double-stator lowripple torque stepping motor |
| CN118300355A (en) * | 2024-04-19 | 2024-07-05 | 中原工学院 | Double-stator magnetic field modulation permanent magnet motor with tangential excitation of stator notch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20180228 |