CN202856573U - Multivariant switch magnetic resistance motor - Google Patents
Multivariant switch magnetic resistance motor Download PDFInfo
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- CN202856573U CN202856573U CN 201220382592 CN201220382592U CN202856573U CN 202856573 U CN202856573 U CN 202856573U CN 201220382592 CN201220382592 CN 201220382592 CN 201220382592 U CN201220382592 U CN 201220382592U CN 202856573 U CN202856573 U CN 202856573U
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Abstract
The present utility model discloses a multivariant switch magnetic resistance motor. The motor comprises an internal rotor, a stator surrounding the internal rotor, and an external rotor surrounding the stator, gaps are formed between the two rotors and the stator; a salient pole tooth without a winding is respectively arranged on one sides of the internal rotor and the external rotor, which are faced to the stator, a salient pole tooth is respectively arranged on internal and external sides of the stator, the internal and external sides of the stator are respectively provided with an inner side winding and an outer side winding which are sleeved on the salient pole teeth, and a magnetic insulation ring is embedded on a yoke part of the stator. Two sets of motor systems are integrated inside the space of the prior switch magnetic resistance motor, an inner motor and an outer motor are mutually independent and can be respectively controlled, the motors can work in different states to satisfy load requirements, two power paths are provided, and system reliability and flexibility can be greatly enhanced.
Description
Technical field
The utility model belongs to the field of motor manufacturing and application thereof, relates to a kind of multivariant switched reluctance machines, is suitable for the switched reluctance machines of any number of phases, any rotor teeth groove number cooperation.
Background technology
Along with the development of power electronic technology and control technology, and the quick rise of rare earth permanent-magnetic material price, do not need the application of the switched reluctance motor system of permanent magnet to become more and more extensive.Switched reluctance machines is the double-salient-pole structure, and rotor is pressed by silicon steel sheet and folded into, on the rotor without permanent magnet also without winding, only have centralized winding on the stator, it is according to " magnetic resistance is minimum " principle work.Switched reluctance machines make and maintenance cost low, simple in structure firm, robustness good, electric current is little during starting, torque is large, speed-regulating range width, dynamic response is fast, and fault-tolerant ability is arranged, and on the rotor without permanent magnet and winding, be very suitable for high-speed cruising.The switched reluctance machines range of application is very extensive, has shown competitiveness at aspects such as industrial governing system, household electrical appliance, electric drive, and particularly it has inborn advantage in the electric automobile field, demonstrates powerful development potentiality.
The switched reluctance machines that proposes at present mainly all is the structure of a rotor of a stator, and wherein using is at most inner rotor core, and such structure can not produce enough power densities and regulation and control flexibility in some occasion.Therefore, the utility model proposes a kind of novel multivariant switched reluctance machines, by with two ingenious combinations of switched reluctance machines, form a multivariant switched reluctance machines that possesses multiple-working mode, further expand the range of application of switched reluctance machines.
The utility model content
Technical problem: the utility model provides a kind of have more high power density and the multivariant switched reluctance machines of regulating and control flexibility.
Technical scheme: multivariant switched reluctance machines of the present utility model, comprise internal rotor, around the stator of internal rotor, around the external rotor of stator, be provided with air gap between two rotors and the stator; Internal rotor and external rotor are provided with salient pole tooth without winding towards a side of stator, and the inside and outside both sides of stator are provided with the salient pole tooth, and the inside and outside both sides of stator are respectively arranged with inboard winding and the outside winding that is enclosed within on the salient pole tooth, and the yoke section of stator is embedded with magnetism-isolating loop.
In the utility model, inboard winding and outside winding are heterogeneous centralized armature winding.
Compare with common single stator, single rotor switched reluctance machines, multivariant switched reluctance machines of the present utility model can equivalence be the complex of two regular tap reluctance motors, the iron core of its internal rotor and stator inboard and armature winding consist of an interior motor, iron core and the armature winding in external rotor and the stator outside consist of an outer motor, and the magnetic circuit of the inboard winding of stator and the magnetic circuit of outside winding can be isolated by magnetism-isolating loop.Therefore, this novel multivariant switched reluctance machines can be seen as two be independent of each other, the motor of independent operating, only rely on stationary part to realize mechanically integrated, but without the coupling of magnetic circuit ﹠ circuit.
It is to be noted that the rotor teeth groove of the interior motor of the novel multivariant switched reluctance machines that the utility model proposes and outer motor cooperates and the parameter such as the number of phases all can require flexibly adjustment according to systematic function.
Beneficial effect: the present existing birotor switched reluctance machines that is formed by stator, center roller, internal rotor three parts, be wound with a cover armature winding on its stator inner tines, without winding, be wound with a cover armature winding on the internal rotor tooth on the center roller.This structures shape it must use brush and slip ring to finish the energising of internal rotor winding, and the use of brush and slip ring can reduce the reliability of motor greatly.Multivariant switched reluctance machines of the present utility model does not need brush and slip ring, has demonstrated advantage.The utility model compared with prior art has the following advantages:
1. motor does not need to use permanent magnet, and material and cost of manufacture are lower, can work in adverse circumstances.
2. the rotating part of motor does not all need winding, thereby has saved brush and slip ring, has greatly improved the reliability of motor, has reduced maintenance cost, has especially avoided the serious problem of common double-rotor machine internal rotor temperature rise.
3. both do not had winding on the internal rotor of motor and the external rotor, and also do not had permanent magnet, moment of inertia is little, and the speed governing response is fast, is suitable for high-speed cruising.
4. winding is centralized coil, and the coiling difficulty is low, and the end is shorter, has effectively reduced copper loss and has been beneficial to the heat radiation of motor.
5. motor has inside and outside two cover stator winding, and mutual inductance between the two can be ignored (circuit, magnetic circuit are isolated fully), realized the full decoupled of interior motor and outer motor, and interior motor and outer motor can independent flexible control, can also be redundant each other under failure condition.
6. motor has good fault freedom, and can the flexible choice inside and outside parameter of electric machine improves redundancy and reliability.
7. improved greatly the space availability ratio of motor, electric system efficient is compared the regular tap reluctance motor with power density higher, more compact structure.
8. flexible structure can select the number of phases of interior motor and outer motor and teeth groove number to cooperate as required, and the number of phases of interior motor and outer motor and teeth groove number can be the same or different.
9. inside and outside two electric systems are separate, have redundancy, and can control flexibly, adjust their operating state, can be operated in electronic-electronic, generating-electronic, electric-generating, the generating-various modes such as generating, satisfy the different needs of load.
10. can finish the function of electric stepless speed regulation, to replace planetary gear and brush motor speed regulating device, larger application prospect be arranged in hybrid vehicle and wind generator system.
Description of drawings
Fig. 1 is the horizontal sectional structure schematic diagram of multivariant switched reluctance machines of interior motor threephase stator 12 grooves/rotor 8 utmost points, outer motor threephase stator 12 grooves/rotor 8 utmost points of a playscript with stage directions utility model.
Wherein have: internal rotor 1, stator 2, external rotor 3, inboard winding 21, outside winding 22, magnetism-isolating loop 23.
Embodiment
Specify the technical solution of the utility model take interior motor threephase stator 12 grooves/rotor 8 utmost points as shown in Figure 1, the multivariant switched reluctance machines of outer motor threephase stator 12 grooves/rotor 8 utmost points as example.
Motor of the present utility model comprises internal rotor 1, around the stator 2 of internal rotor 1, around being provided with air gap between 3, two rotors of external rotor of stator 2 and the stator 2; Internal rotor 1 and external rotor 3 are provided with salient pole tooth without winding towards a side of stator 2, the inside and outside both sides of stator 2 are provided with the salient pole tooth, stator 2 inside and outside both sides are respectively arranged with inboard winding 21 and the outside winding 22 that is enclosed within on the salient pole tooth, and the yoke section of stator 2 is embedded with magnetism-isolating loop 23.In the present embodiment, the salient pole tooth of internal rotor 1 is 8, and stator 2 is the double-salient-pole structure, and stator 2 salient pole the teeth inboard and outside are 12, and the salient pole tooth of external rotor 3 is 8.It is pointed out that said towards all referring to diametrically here.
Cover has a coil on the salient pole tooth of stator inboard, and per four groups are composed in series one and concentrate mutually winding, thereby consist of the inboard winding 21 in the three-phase set.Cover has coil on the salient pole tooth in the stator outside, and per four groups are composed in series one and concentrate mutually winding, thereby consist of the outside winding 22 in the three-phase set.
Without electromagnetic coupled, can carry out independent control according to two regular tap reluctance motors between inside and outside two motor subsystems of this multivariant switched reluctance machines, controllable parameter is greatly more than the regular tap reluctance motor, and is very flexible.
When inside and outside two motor subsystems of this multivariant switched reluctance machines are all done electric operation, can export the mechanical energy of two groups of different capacities, different rotating speeds, different torques, to be applied to different loads.
When inside and outside two motor subsystems of this multivariant switched reluctance machines are all done generator operation, can export the electric energy of two groups of different capacities, different frequency, different amplitudes.
Even inside and outside two motor subsystems of this multivariant switched reluctance machines can one be done generator operation, and another does electric operation, to satisfy different needs.
The novel multivariant switched reluctance machines that the utility model proposes integrates two common switched reluctance machines in the space of a motor, and two flow of power paths are provided.Greatly improve the flexibility of system, expanded range of application.
Claims (2)
1. multivariant switched reluctance machines, it is characterized in that, this motor comprises internal rotor (1), around the stator (2) of described internal rotor (1), around the external rotor (3) of described stator (2), be provided with air gap between described two rotors and the stator (2);
Internal rotor (1) and external rotor (3) are provided with salient pole tooth without winding towards a side of stator (2), the inside and outside both sides of stator (2) are provided with the salient pole tooth, the inside and outside both sides of stator (2) are respectively arranged with inboard winding (21) and the outside winding (22) that is enclosed within on the salient pole tooth, and the yoke section of stator (2) is embedded with magnetism-isolating loop (23).
2. multivariant switched reluctance machines according to claim 1 is characterized in that, described inboard winding (21) and outside winding (22) are heterogeneous centralized armature winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382592 CN202856573U (en) | 2012-08-03 | 2012-08-03 | Multivariant switch magnetic resistance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382592 CN202856573U (en) | 2012-08-03 | 2012-08-03 | Multivariant switch magnetic resistance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202856573U true CN202856573U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220382592 Expired - Fee Related CN202856573U (en) | 2012-08-03 | 2012-08-03 | Multivariant switch magnetic resistance motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN202856573U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832770A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Combined-type switched reluctance motor |
| CN105515314A (en) * | 2016-02-29 | 2016-04-20 | 东南大学 | Hybrid excitation magnetic linkage parallel double-rotor combined motor |
| CN105515313A (en) * | 2016-02-29 | 2016-04-20 | 东南大学 | Magnetic chain paralleled double-rotor combined motor |
| CN108134494A (en) * | 2016-12-01 | 2018-06-08 | 丰田自动车株式会社 | Electric rotating machine |
| WO2021104123A1 (en) * | 2019-11-27 | 2021-06-03 | 南方电机科技有限公司 | Motor and device comprising said motor |
-
2012
- 2012-08-03 CN CN 201220382592 patent/CN202856573U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832770A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Combined-type switched reluctance motor |
| CN105515314A (en) * | 2016-02-29 | 2016-04-20 | 东南大学 | Hybrid excitation magnetic linkage parallel double-rotor combined motor |
| CN105515313A (en) * | 2016-02-29 | 2016-04-20 | 东南大学 | Magnetic chain paralleled double-rotor combined motor |
| CN105515314B (en) * | 2016-02-29 | 2017-10-31 | 东南大学 | A kind of composite excitation magnetic linkage birotor compound machine in parallel |
| CN108134494A (en) * | 2016-12-01 | 2018-06-08 | 丰田自动车株式会社 | Electric rotating machine |
| WO2021104123A1 (en) * | 2019-11-27 | 2021-06-03 | 南方电机科技有限公司 | Motor and device comprising said motor |
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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 |
Granted publication date: 20130403 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |