CN103023242B - Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller - Google Patents
Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller Download PDFInfo
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- CN103023242B CN103023242B CN201210581093.2A CN201210581093A CN103023242B CN 103023242 B CN103023242 B CN 103023242B CN 201210581093 A CN201210581093 A CN 201210581093A CN 103023242 B CN103023242 B CN 103023242B
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Abstract
The invention discloses a stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with a rotary controller. A first end of an outer rotary shaft is arranged in a first cavity of a chassis, an end portion of the first end of the outer rotary shaft extends out of an end wall of the first cavity, an inductor structure is arranged at a position, close to the end wall, on the outer rotary shaft, a second end of the outer rotary shaft is arranged in a second cavity of the chassis, an outer rotor iron core and an outer rotor winding embedded in the outer rotor iron core are arranged on the second end of the outer rotary shaft, a rectifier is arranged at a position, close to the first cavity, on the second end of the outer rotary shaft, an inverter is arranged between the rectifier and the outer rotor iron core, an end cap is arranged on an end portion of the second end of the outer rotary shaft, an end portion of one end of an inner rotary shaft extends out of an end wall of the second cavity, the rest is positioned in the second end of the outer rotary shaft, and an inner rotary shaft iron core and permanent magnets arranged on an outer side wall of the inner rotary shaft iron core in a staggered manner are arranged on the inner rotary shaft in the second cavity. The stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with the rotary controller is simple in structure, breaks through limiting that an existing motor only has one rotary shaft, omits the stator part and can be applied in various occasions.
Description
Technical field
The present invention relates to technical field of motors, specifically a kind of controller rotate without stator brushless birotor inner ring permanent magnet synchronous motor.
Background technology
Double-rotor machine has two rotating speed rotors independent of each other and rotating shaft, twin shaft drive can be realized, therefore have broad application prospects in multiple occasion, the electric buncher and modern machine numerical control rotating platform etc. of the power drive system of such as hybrid vehicle, automobile and wind-driven generator.
The public dual rotor permanent magnetic motor sent out is nested together by outer-rotor permanent magnet motor and an internal rotor permanent-magnetic motor and is shared the New-type electric machine of a stator both at home and abroad at present.But because it can regard two independently common electric machines as, so two controllers must be had, make controlling organization more complicated, and for motor body, because structure also exists stationary part, therefore volume is larger.Its inverter is at motor extenal fixation simultaneously, and the connection of inverter output end and input end of motor substantially all adopts the connected mode of three brushes, and the increase of brush number can cause the increase of wear-out failure probability.
Summary of the invention
The present invention is directed to above shortcomings in prior art, provide a kind of controller rotate without stator brushless birotor inner ring permanent magnet synchronous motor.
The present invention is achieved by the following technical solutions.
A kind of controller rotate without stator brushless birotor inner ring permanent magnet synchronous motor, comprise casing, external rotor and internal rotor, described casing comprises the first chamber and the second chamber, described external rotor comprises outer shaft, the first end of described outer shaft is arranged in the first chamber, the first end end of outer shaft is stretched out outside the end wall of the first chamber, in described first chamber outer shaft first end on be provided with sensor structure near end wall place; Second end of described outer shaft is arranged in the second chamber, second end of described outer shaft is provided with outer rotor iron core and embeds the external rotor winding of outer rotor iron core, second end of described outer shaft is provided with rectifier near the first chamber place, be provided with inverter between described rectifier and outer rotor iron core, the second end end of described outer shaft is provided with end cap; Described internal rotor comprises interior rotating shaft, the end, one end of described interior rotating shaft is stretched out outside the end wall of the second chamber, remainder is arranged in the second end of outer shaft, the permanent magnet in described second chamber, rotating shaft being provided with interior rotating shaft iron core with outer rotor iron core corresponding section and being along the circumferential direction crisscross arranged on interior rotating shaft iron core lateral wall.
Described sensor structure comprises the inductor housing and the induction coil be arranged in inductor housing and squirrel-cage aluminum strip structure that are arranged on close end wall place in the first chamber, also comprises storage battery, wherein:
-storage battery, is directly connected with induction coil;
-induction coil, is fixed on inductor housing, and after passing into direct current by storage battery, the magnetic direction that upper and lower two groups of coils produce is just in time contrary, and all spatially keeps vertical with the first end of outer shaft;
-squirrel-cage aluminum strip structure, its upper and lower two-part induced magnetism direction is consistent, and the first end on the first end being fixed on outer shaft and with outer shaft rotates, and constantly magnetic force is answered in the generation of cutting induction coil.Or,
Described sensor structure comprises the inductor housing and the induction permanent magnet be arranged in inductor housing and squirrel-cage aluminum strip structure that are arranged on close end wall place in the first chamber, wherein:
-induction permanent magnet, is fixed on inductor housing, and the magnetic direction of generation is just in time contrary, and all spatially keeps vertical with the first end of outer shaft;
-squirrel-cage aluminum strip structure, its upper and lower two-part induced magnetism direction is consistent, and the first end on the first end being fixed on outer shaft and with outer shaft rotates, constantly cutting induction permanent magnet generation induced magnetism.
The second end that described rectifier is fixed on outer shaft rotates together with the second end of outer shaft, and the induced magnetism of described sensor structure becomes direct current through rectifier, described direct current is consistent all the time by the voltage direction after rectifier rectification.
The induced magnetism crossed through rectifier rectification is transformed into required three-phase alternating current by described inverter, for the speed discrepancy of the electromagnetic torque and internal rotor and external rotor that regulate motor.
Described outer rotor iron core is annular, and its external peripheral surface has several grooves vertically, and the open centre line of several grooves described is uniformly distributed around interior rotating shaft, and external rotor winding embeds respectively in described groove and forms three-phase windings.
Described interior rotating shaft is rotationally connected by bearing and casing between internal rotor-casing, and described interior rotating shaft is rotationally connected by bearing and outer shaft between internal rotor-external rotor, forms internal rotor and independently rotates; Described outer shaft is rotationally connected by outer rotor bearing and casing, and its end cap is connected with interior axis of rotation by bearing with end cover, forms external rotor and independently rotates.
Described outer shaft is power shaft, is connected for turning with outer buttons and accepts driving, and correspondingly, described interior rotating shaft is output shaft.
Described inverter be fixedly connected with the second end of outer shaft and together with rotate, inverter output end is by three-phase cable and external rotor winding switching.
Air gap is provided with between described interior rotating shaft and outer shaft.
Controller provided by the invention rotate without stator brushless birotor inner ring permanent magnet synchronous motor, only be provided with external rotor and internal rotor, eliminate the stator be fixed on casing, therefore motor makes complexity and obtains very large reduction, and motor body volume energy is reduced simultaneously.
Inverter is placed in motor case by the present invention, fix with outer shaft, along with outer shaft rotates together, storage battery is connected with the induction coil in inductor, induced electromotive force is produced by squirrel-cage aluminum strip structure, be inverter input dc power through rectifier, therefore motor of the present invention does not need brush and slip ring, and the double-rotor machine not being present in general three brushes is at operation stability and Problems existing in useful life.
In addition, because the present invention only needs a controller, control more convenient.The induced electromotive force crossed by rectifier rectification is converted by controller, the three-phase alternating current control voltage needed for generation, directly gives the external rotor winding of motor of the present invention, reaches the object controlling motor output speeds and Driving Torque with the change of controlling magnetic field.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
In figure, 1 is casing; 2 is outer rotor bearing; 3 is outer shaft; 4 is interior rotating shaft; 5 is bearing between internal rotor-external rotor; 6 is permanent magnet; 7 is outer rotor iron core; 8 is external rotor winding; 9 is end cap; 10 is bearing with end cover; 11 is induction coil; 12 is rectifier; 13 is storage battery; 14 is inverter; 15 is bearing between internal rotor-casing; 16 is squirrel-cage aluminum strip structure; 17 is inductor housing.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: casing 1, external rotor and internal rotor, casing 1 comprises the first chamber and the second chamber, external rotor comprises outer shaft 3, the first end of outer shaft 3 is arranged in the first chamber, the first end end of outer shaft 3 is stretched out outside the end wall of the first chamber, in the first chamber outer shaft 3 first end on be provided with sensor structure near end wall place; Second end of outer shaft 3 is arranged in the second chamber, second end of outer shaft 3 is provided with outer rotor iron core 7 and embeds the external rotor winding 8 of outer rotor iron core 7, second end of outer shaft 3 is provided with rectifier 12 near the first chamber place, be provided with inverter 14 between rectifier 12 and outer rotor iron core 7, the second end end of outer shaft 3 is provided with end cap 9; Internal rotor comprises interior rotating shaft 4, the end, one end of interior rotating shaft 4 is stretched out outside the end wall of the second chamber, remainder is arranged in the second end of outer shaft 3, the permanent magnet 6 in the second chamber, rotating shaft 4 being provided with interior rotating shaft iron core with outer rotor iron core 7 corresponding section and being along the circumferential direction crisscross arranged on interior rotating shaft iron core lateral wall.
Further, sensor structure comprises the inductor housing 17 and the induction coil 11 be arranged in inductor housing 17 and squirrel-cage aluminum strip structure 16 that are arranged on close end wall place in the first chamber, also comprises storage battery 13, wherein:
-storage battery 13, is directly connected with induction coil 11;
-induction coil 11, is fixed on inductor housing 17, and after passing into direct current by storage battery 13, the magnetic direction that upper and lower two groups of coils produce is just in time contrary, and all spatially keeps vertical with the first end of outer shaft 3;
-squirrel-cage aluminum strip structure 16, its upper and lower two-part induced magnetism direction is consistent, and the first end on the first end being fixed on outer shaft 3 and with outer shaft 3 rotates, and constantly magnetic force is answered in the generation of cutting induction coil 11.
Further, the second end that rectifier 12 is fixed on outer shaft 3 rotates together with the second end of outer shaft 3, and the induced magnetism of sensor structure becomes direct current through rectifier 12, direct current is consistent all the time by the voltage direction after rectifier 12 rectification.
Further, the induced magnetism rectified through rectifier 12 is transformed into required three-phase alternating current by inverter 14, for the speed discrepancy of the electromagnetic torque and internal rotor and external rotor that regulate motor.
Further, outer rotor iron core 7 is annular, and its external peripheral surface has several grooves vertically, and the open centre line of these several grooves is uniformly distributed around interior rotating shaft, and external rotor winding 8 embeds respectively in above-mentioned groove and forms three-phase windings.
Further, interior rotating shaft 4 is rotationally connected by bearing between internal rotor-casing 15 and casing 1, and interior rotating shaft 4 is rotationally connected by bearing between internal rotor-external rotor 5 and outer shaft 3, thus formation internal rotor independently rotates; Outer shaft 3 is rotationally connected by outer rotor bearing 2 and casing 1, and its end cap 9 is rotationally connected by bearing with end cover 10 and interior rotating shaft 4, thus formation external rotor independently rotates.
Further, outer shaft 3 is power shaft, is connected for turning with outer buttons and accepts driving, and correspondingly, interior rotating shaft 4 is output shaft.
Further, inverter 14 be fixedly connected with the second end of outer shaft 3 and together with rotate, inverter 14 output is connected with external rotor winding 8 by three-phase cable.
Further, slight air gap is provided with between interior rotating shaft and outer shaft.
The operation principle of this enforcement is: storage battery 13 produces fixing magnetic field by induction coil 11, squirrel-cage aluminum strip structure 16 can produce induced electromotive force by cutting magnetic line along with outer shaft 4 rotates, through rectifier 12 for inverter 14 provides direct current, the motor running condition (Driving Torque or tachometer value) that the output information of inverter 14 needed for motor (load torque or tachometer value) and sensor feedback are returned and the direct voltage that rectifier 12 provides, three-phase alternating current needed for generation, deliver to external rotor winding 8, produce rotating magnetic field in the windings, with permanent magnet 6 magnetic field interaction, thus realize motor speedup (increasing square) or the control overflow of slow down (subtracting square).
The concrete control method of the present embodiment is as follows:
When requiring interior rotating shaft 4 rotating speed equal with outer shaft 3 rotating speed, by control inverter 14, the DC power conversion obtained by rectifier rectification becomes three-phase electricity, and make power frequency be 0, thus the frequency making external rotor winding 8 electric current is 0, the electromagnetic torque produced under regulating its size to make air-gap field effect and interior rotating shaft 4 torque balance.
When requiring interior rotating shaft 4 rotating speed to be greater than outer shaft 3 rotating speed, by control inverter 14, rectifier 12 rectification is obtained DC power conversion and becomes three-phase electricity, be applied to the current phasor of external rotor winding 8 one and the equidirectional rotation of outer shaft 3, control the size of this electric current, the electromagnetic torque produced under making the effect of air-gap field and interior rotating shaft 4 torque balance, the mechanical separator speed controlling current phasor corresponding equals the speed discrepancy inputting interior rotating shaft 4, and the rotating speed namely controlling excitation current vector corresponding is equal with interior rotating shaft 4 rotating speed with outer shaft 3 rotating speed sum.
When requiring interior rotating shaft 4 rotating speed to be less than outer shaft 3 rotating speed, by control inverter 14, rectifier 12 rectification is obtained DC power conversion and becomes three-phase electricity, be applied to the current phasor of external rotor winding 8 one and outer shaft 3 opposite spin, control the size of this electric current, the electromagnetic torque produced under making the effect of air-gap field and interior rotating shaft 4 torque balance, the mechanical separator speed controlling current phasor corresponding equals the speed discrepancy inputting interior rotating shaft 4, and the rotating speed namely controlling excitation current vector corresponding is equal with outer shaft 3 rotating speed with interior rotating shaft 4 rotating speed sum.
Embodiment 2
Embodiment 2 is the change case of embodiment 1.
As shown in Figure 2, the present embodiment is on the basis of the scheme of embodiment 1, the difference of itself and embodiment 1 is, sensor structure comprise be arranged in the first chamber near the inductor housing 17 at end wall place and be arranged in inductor housing 17 induction permanent magnet and squirrel-cage aluminum strip structure 16, wherein:
-induction permanent magnet, is fixed on inductor housing 17, and the magnetic direction of generation is just in time contrary, and all spatially keeps vertical with the first end of outer shaft 3;
-squirrel-cage aluminum strip structure 16, its upper and lower two-part induced magnetism direction is consistent, and the first end on the first end being fixed on outer shaft 3 and with outer shaft 3 rotates, constantly cutting induction permanent magnet generation induced magnetism.
The execution mode of other parts of the present embodiment, operation principle and control method are identical with embodiment 1.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (16)
1. a controller rotate without stator brushless birotor inner ring permanent magnet synchronous motor, comprise casing, external rotor and internal rotor, it is characterized in that, described casing comprises the first chamber and the second chamber, described external rotor comprises outer shaft, the first end of described outer shaft is arranged in the first chamber, and the first end end of outer shaft is stretched out outside the end wall of the first chamber, in described first chamber outer shaft first end on be provided with sensor structure near end wall place; Second end of described outer shaft is arranged in the second chamber, second end of described outer shaft is provided with outer rotor iron core and embeds the external rotor winding of outer rotor iron core, second end of described outer shaft is provided with rectifier near the first chamber place, be provided with inverter between described rectifier and outer rotor iron core, the second end end of described outer shaft is provided with end cap; Described internal rotor comprises interior rotating shaft, the end, one end of described interior rotating shaft is stretched out outside the end wall of the second chamber, remainder is arranged in the second end of outer shaft, the permanent magnet in described second chamber, rotating shaft being provided with interior rotating shaft iron core with outer rotor iron core corresponding section and being along the circumferential direction crisscross arranged on interior rotating shaft iron core lateral wall;
Described sensor structure comprises the inductor housing and the induction coil be arranged in inductor housing and squirrel-cage aluminum strip structure that are arranged on close end wall place in the first chamber, also comprises storage battery, wherein:
Storage battery, is directly connected with induction coil;
Induction coil, is fixed on inductor housing, and after passing into direct current by storage battery, the magnetic direction that upper and lower two groups of coils produce is just in time contrary, and all spatially keeps vertical with the first end of outer shaft;
Squirrel-cage aluminum strip structure, its upper and lower two-part induced magnetism direction is consistent, and the first end on the first end being fixed on outer shaft and with outer shaft rotates, constantly cutting induction coil generation induced magnetism.
2. controller according to claim 1 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, the second end that described rectifier is fixed on outer shaft rotates together with the second end of outer shaft, the induced magnetism of described sensor structure becomes direct current through rectifier, and described direct current is consistent all the time by the voltage direction after rectifier rectification.
3. controller according to claim 2 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, the induced magnetism crossed through rectifier rectification is transformed into required three-phase alternating current by described inverter, for the speed discrepancy of the electromagnetic torque and internal rotor and external rotor that regulate motor.
4. controller according to claim 1 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described outer rotor iron core is annular, its external peripheral surface has several grooves vertically, the open centre line of several grooves described is uniformly distributed around interior rotating shaft, and external rotor winding embeds respectively in described groove and forms three-phase windings.
5. controller according to claim 1 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described interior rotating shaft is rotationally connected by bearing and casing between internal rotor casing, described interior rotating shaft is rotationally connected by bearing and outer shaft between internal rotor external rotor, forms internal rotor and independently rotates; Described outer shaft is rotationally connected by outer rotor bearing and casing, and its end cap is connected with interior axis of rotation by bearing with end cover, forms external rotor and independently rotates.
6. controller according to claim 4 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described outer shaft is power shaft, is connected for turning with outer buttons and accepts driving, and correspondingly, described interior rotating shaft is output shaft.
7. controller according to claim 1 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described inverter be fixedly connected with the second end of outer shaft and together with rotate, inverter output end is by three-phase cable and external rotor winding switching.
8. controller according to claim 1 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, between described interior rotating shaft and outer shaft, be provided with air gap.
9. a controller rotate without stator brushless birotor inner ring permanent magnet synchronous motor, comprise casing, external rotor and internal rotor, it is characterized in that, described casing comprises the first chamber and the second chamber, described external rotor comprises outer shaft, the first end of described outer shaft is arranged in the first chamber, and the first end end of outer shaft is stretched out outside the end wall of the first chamber, in described first chamber outer shaft first end on be provided with sensor structure near end wall place; Second end of described outer shaft is arranged in the second chamber, second end of described outer shaft is provided with outer rotor iron core and embeds the external rotor winding of outer rotor iron core, second end of described outer shaft is provided with rectifier near the first chamber place, be provided with inverter between described rectifier and outer rotor iron core, the second end end of described outer shaft is provided with end cap; Described internal rotor comprises interior rotating shaft, the end, one end of described interior rotating shaft is stretched out outside the end wall of the second chamber, remainder is arranged in the second end of outer shaft, the permanent magnet in described second chamber, rotating shaft being provided with interior rotating shaft iron core with outer rotor iron core corresponding section and being along the circumferential direction crisscross arranged on interior rotating shaft iron core lateral wall;
Described sensor structure comprises the inductor housing and the induction permanent magnet be arranged in inductor housing and squirrel-cage aluminum strip structure that are arranged on close end wall place in the first chamber, wherein:
Induction permanent magnet, is fixed on inductor housing, and the magnetic direction of generation is just in time contrary, and all spatially keeps vertical with the first end of outer shaft;
Squirrel-cage aluminum strip structure, its upper and lower two-part induced magnetism direction is consistent, and the first end on the first end being fixed on outer shaft and with outer shaft rotates, constantly cutting induction permanent magnet generation induced magnetism.
10. controller according to claim 9 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, the second end that described rectifier is fixed on outer shaft rotates together with the second end of outer shaft, the induced magnetism of described sensor structure becomes direct current through rectifier, and described direct current is consistent all the time by the voltage direction after rectifier rectification.
11. controllers according to claim 10 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, the induced magnetism crossed through rectifier rectification is transformed into required three-phase alternating current by described inverter, for the speed discrepancy of the electromagnetic torque and internal rotor and external rotor that regulate motor.
12. controllers according to claim 9 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described outer rotor iron core is annular, its external peripheral surface has several grooves vertically, the open centre line of several grooves described is uniformly distributed around interior rotating shaft, and external rotor winding embeds respectively in described groove and forms three-phase windings.
13. controllers according to claim 9 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described interior rotating shaft is rotationally connected by bearing and casing between internal rotor casing, described interior rotating shaft is rotationally connected by bearing and outer shaft between internal rotor external rotor, forms internal rotor and independently rotates; Described outer shaft is rotationally connected by outer rotor bearing and casing, and its end cap is connected with interior axis of rotation by bearing with end cover, forms external rotor and independently rotates.
14. controllers according to claim 12 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described outer shaft is power shaft, is connected for turning with outer buttons and accepts driving, and correspondingly, described interior rotating shaft is output shaft.
15. controllers according to claim 9 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, described inverter be fixedly connected with the second end of outer shaft and together with rotate, inverter output end is by three-phase cable and external rotor winding switching.
16. controllers according to claim 9 rotate without stator brushless birotor inner ring permanent magnet synchronous motor, it is characterized in that, between described interior rotating shaft and outer shaft, be provided with air gap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210581093.2A CN103023242B (en) | 2012-12-27 | 2012-12-27 | Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210581093.2A CN103023242B (en) | 2012-12-27 | 2012-12-27 | Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller |
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| CN103023242A CN103023242A (en) | 2013-04-03 |
| CN103023242B true CN103023242B (en) | 2014-12-24 |
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| CN201210581093.2A Active CN103023242B (en) | 2012-12-27 | 2012-12-27 | Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104158345A (en) * | 2013-05-15 | 2014-11-19 | 罗才德 | Dual-driving hydroelectric generator |
| CN110355109B (en) * | 2019-07-11 | 2021-04-06 | 诺力智能装备股份有限公司 | Wireless motor drive rotary wheel type sorting machine |
| CN112018983B (en) * | 2020-09-05 | 2021-06-08 | 苏州讯如电子科技有限公司 | Permanent magnet auxiliary brushless alternating synchronous motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062921U (en) * | 1990-02-26 | 1990-09-26 | 江西抚州电机厂 | High-speed ac asynchronous motor |
| CN101242157A (en) * | 2008-01-25 | 2008-08-13 | 华南理工大学 | A cascaded speed shift frequency constant wind power generation system |
| CN102158026A (en) * | 2011-04-02 | 2011-08-17 | 浙江钱江摩托股份有限公司 | Dual-rotor motor and hybrid vehicle taking dual-rotor motor as power |
| CN202503405U (en) * | 2012-03-19 | 2012-10-24 | 陈维加 | AC generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3391750B2 (en) * | 1999-10-28 | 2003-03-31 | 株式会社デンソー | Vehicle accessory drive |
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2012
- 2012-12-27 CN CN201210581093.2A patent/CN103023242B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062921U (en) * | 1990-02-26 | 1990-09-26 | 江西抚州电机厂 | High-speed ac asynchronous motor |
| CN101242157A (en) * | 2008-01-25 | 2008-08-13 | 华南理工大学 | A cascaded speed shift frequency constant wind power generation system |
| CN102158026A (en) * | 2011-04-02 | 2011-08-17 | 浙江钱江摩托股份有限公司 | Dual-rotor motor and hybrid vehicle taking dual-rotor motor as power |
| CN202503405U (en) * | 2012-03-19 | 2012-10-24 | 陈维加 | AC generator |
Non-Patent Citations (1)
| Title |
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| JP特开2001-128308A 2001.05.11 * |
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