CN102075043A - Multi-phase annular winding birotor disc type induction motors - Google Patents
Multi-phase annular winding birotor disc type induction motors Download PDFInfo
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- CN102075043A CN102075043A CN 201110024336 CN201110024336A CN102075043A CN 102075043 A CN102075043 A CN 102075043A CN 201110024336 CN201110024336 CN 201110024336 CN 201110024336 A CN201110024336 A CN 201110024336A CN 102075043 A CN102075043 A CN 102075043A
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- 238000004804 winding Methods 0.000 title claims abstract description 75
- 230000006698 induction Effects 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000004323 axial length Effects 0.000 description 2
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses two multi-phase annular winding birotor disc type induction motors, which are provided with the same stator discs, annular windings and rotor discs, wherein the stator discs are disc type annular iron cores of which two surfaces are provided with slots; and the annular windings are wound in every two axial-corresponding stator slots. The two multi-phase annular winding birotor disc type induction motor has the advantages that the lengths of end parts of the windings are saved, the utilization rate of the winding is improved and pole changing can be realized by using the characteristics of the multi-phase windings, and the like; and each rotor disc consists of an inner end ring, an outer end ring and a conducting bar embedded between the inner end ring and the outer end ring. The two multi-phase annular winding birotor disc type induction motors are characterized in that the rotor disc of one rotor is connected with a fixed shaft by a bearing; the rotating speeds of two rotor discs can be different; the rotor disc of the other motor is fixed on a rotating shaft; and the rotating speed of the two rotor discs is the same as that of the rotating shaft. The multi-phase annular winding birotor disc type induction motors are suitably used as devices of an automobile differential driving bridge, and replace a driving shaft, a main reducing gear, a differential mechanism and the like of the conventional mechanical driving bridge, and the control performance of the automobile can be improved when the automobile turns or wheels slip.
Description
Technical field
The invention belongs to motor, is a kind of heterogeneous Circular Winding birotor disc type induction machine, has characteristics such as differential operation and fault-tolerant operation.
Background technology
Conventional motors adopts lap winding and radial structure mostly, and the shortcoming of lap winding is long end and winding connecting line, and this makes the axial length of motor increase, and volume increases.At the shortcoming of lap winding, last century end, people propose the notion of Circular Winding.Yet, use though Circular Winding is existing, be applied to the conventional motors of radial structure mostly, owing to can only utilize a side of winding, so utilance is lower.Although occurred birotor induction/magneto in recent years, because complex structure, control performance is not good, uses not extensive.In addition, adopt the three-phase drive system of this motor to exist and cost an arm and a leg, shortcoming such as reliability is low, as long as have one to break down mutually, system just can't operate as normal, reliability further reduces.
Summary of the invention
The purpose of this invention is to provide a kind of heterogeneous Circular Winding birotor disc type induction machine, it combines heterogeneous Circular Winding and disc type double-rotor machine, be suitable as the device of automobile differential drive axle, the members such as power transmission shaft, main reducing gear and differential mechanism that replace the conventional mechanical drive axle, the control performance of raising automobile when automobile turning or wheel-slip.
A kind of heterogeneous Circular Winding birotor disc type induction machine comprises stator discs, ring-like winding, rotor disk, bearing and fixed axis, wherein, stator discs is the disc type annular core of double surface grooving, and every stator slot is parallel slot and is evenly distributed on each anchor ring; Circular Winding is wrapped in per two axial corresponding stator slots, forms the coil of a ring-type, and every pair of stator slot all forms an independently coil, obtains the coil number identical with number of stator slots, forms polyphase windings; Left side rotor disk and right side rotor disk are the disc type annular core, each rotor disk is made up of the interior end ring of inside and outside different-diameter, outer end ring and some slivers respectively again, sliver adopts straight trough or skewed slot to distribute, in the end of sliver, respectively the two ends of all slivers are all coupled together with two end ring and to form the rotor winding; The left side rotor disk is connected with fixed axis with the right side bearing by the left side bearing respectively with the right side rotor disk, and left side rotor disk and right side rotor disk are around the fixed axis rotation, and the left side rotor disk has different rotating speeds respectively with the right side rotor disk.
Another kind of heterogeneous Circular Winding birotor disc type induction machine comprises stator discs, ring-like winding, rotor disk and rotating shaft, and wherein, stator discs is the disc type annular core of double surface grooving, and every stator slot is parallel slot and is evenly distributed on each anchor ring; Circular Winding forms the coil of a ring-type in per two axial corresponding stator slots, every pair of stator slot all forms an independently coil, obtains the coil number identical with number of stator slots, forms polyphase windings; Left side rotor disk and right side rotor disk are the disc type annular core, each rotor disk is made up of the interior end ring of inside and outside different-diameter, outer end ring and some slivers respectively again, sliver adopts straight trough or skewed slot to distribute, in the end of sliver, respectively the two ends of all slivers are all coupled together with two end ring and to form the rotor winding; Left side rotor disk and right side rotor disk are fixed in the rotating shaft, and the left side rotor disk rotates with identical speed with rotating shaft with the right side rotor disk.
Described sliver adopts the grooved of straight trough or skewed slot to adopt open slot, semi-enclosed slot or the groove of remaining silent.The material of described sliver is aluminium or copper.
Heterogeneous Circular Winding birotor disc type induction machine of the present invention adopts the stator discs and the Circular Winding of double surface grooving, and this structure makes two stator faces be working face, has improved winding utilization, is easy to rule; Utilize the characteristics of polyphase windings, can also realize electronic pole-changing, and have higher reliability.In addition, the heterogeneous Circular Winding birotor of structure I type disc type induction machine utilizes induction machine to have the characteristics of slippage, two rotors can be run under the different rotating speeds by regulating slippage, thereby make its differential drive system that can well be applied to automobile, improved the control performance of automobile.
Description of drawings
Fig. 1 is the stator discs and the Circular Winding (is example with 18 grooves) of heterogeneous Circular Winding birotor disc type induction machine;
Fig. 2 is the rotor disk (is example with the skewed slot) of heterogeneous Circular Winding birotor disc type induction machine;
Fig. 3 is the heterogeneous Circular Winding birotor of a structure I type disc type induction machine;
Fig. 4 is the heterogeneous Circular Winding birotor of a structure II type disc type induction machine;
Fig. 5 is to be 2 utmost points, the 9 phase stator discs expanded views of example with 18 grooves;
Fig. 6 is to be 2 utmost points, the 9 phase winding connection layouts of example with 18 grooves;
Fig. 7 is to be 6 utmost points, the 3 phase stator discs expanded views of example with 18 grooves;
Fig. 8 is to be 6 utmost points, the 3 phase winding connection layouts of example with 18 grooves.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing:
Shown in Fig. 1,4, a kind of heterogeneous Circular Winding birotor disc type induction machine comprises stator discs, ring-like winding, rotor disk, bearing and fixed axis, it is characterized in that: stator discs 2 is the disc type annular core of double surface grooving, and every stator slot is parallel slot and is evenly distributed on each anchor ring; Circular Winding 5) be wrapped in per two axial corresponding stator slots, form the coil of a ring-type, every pair of stator slot all forms an independently coil, obtains the coil number identical with number of stator slots, forms polyphase windings; Left side rotor disk 4 and right side rotor disk 3 are the disc type annular core, each rotor disk is made up of interior end ring 9, outer end ring 10 and some slivers 11 of inside and outside different-diameter respectively again, sliver 11 adopts straight trough or skewed slot to distribute, in the end of sliver, respectively the two ends of all slivers are all coupled together with two end ring and to form the rotor winding; Left side rotor disk 4 is connected with fixed axis 1 with right side bearing 6 by left side bearing 7 respectively with right side rotor disk 3, and left side rotor disk 4 and right side rotor disk 3 are around fixed axis 1 rotation, and left side rotor disk 4 has different rotating speeds respectively with right side rotor disk 3.
Shown in Fig. 2,4, another kind of heterogeneous Circular Winding birotor disc type induction machine comprises stator discs, ring-like winding, rotor disk and rotating shaft, it is characterized in that: stator discs 2 is the disc type annular core of double surface grooving, and every stator slot is parallel slot and is evenly distributed on each anchor ring; Circular Winding 5 is wrapped in per two axial corresponding stator slots, forms the coil of a ring-type, and every pair of stator slot all forms an independently coil, obtains the coil number identical with number of stator slots, forms polyphase windings; Left side rotor disk 4 and right side rotor disk 3 are the disc type annular core, each rotor disk is made up of interior end ring 9, outer end ring 10 and some slivers 11 of inside and outside different-diameter respectively again, sliver 11 adopts straight trough or skewed slot to distribute, in the end of sliver, respectively the two ends of all slivers are all coupled together with two end ring and to form the rotor winding; Left side rotor disk 4 and right side rotor disk 3 are fixed in the rotating shaft 8, and left side rotor disk 4 rotates with identical speed with rotating shaft 8 with right side rotor disk 3.
Described sliver 11 adopts the grooved of straight trough or skewed slot to adopt open slot, semi-enclosed slot or the groove of remaining silent.
The material of described sliver 11 is aluminium or copper.
As shown in Figure 3, the stator magnetic circuit characteristics of this kind structure make the required axial length of stator yoke portion shorter, are beneficial to improve power of motor density; Circular Winding makes two stator faces be working face, has improved winding utilization; Because this winding overhang is close to iron core, so that its winding overhang length will be lacked is many, it is many that leakage field will lack, so winding resistance and end leakage reactance are than little many of conventional motors; Because this winding overhang length does not change with motor diameter, thereby can utilize the method that increases the motor fineness ratio to improve motor torque density; Because each loop coil all is independently, can become a phase separately, also can form a phase by a plurality of coils.
Fig. 5-8 is that heterogeneous Circular Winding connects example, with 18 grooves is example, each stator anchor ring all has 18 grooves, 18 loop coils are then arranged, in Fig. 5,7, each coil groups has all occupied two grooves up and down, capitalization A, B, C among the figure ... the electric current of representing corresponding phase flows into paper, a, b, c ... the expression electric current flows out paper; A-a, B-b, C-c ... constitute A, B, C successively ... phase winding.In Fig. 6, the connected mode of A phase winding is: the last groove 10 of groove 10-under the groove 1-under the last groove 1-, and other are mutually similar with A, and this has just formed 2 utmost points, 9 phase motors; In Fig. 8, the connected mode of A phase winding is: the last groove 4/10/16 of groove 4/10/16-under the groove 1/7/13-under the last groove 1/7/13-, and with three groups of line parallel connections, other are mutually similar with A then, and this has just formed 6 utmost points, 3 phase motors.
Claims (4)
1. heterogeneous Circular Winding birotor disc type induction machine, comprise stator discs, ring-like winding, rotor disk, bearing and fixed axis, it is characterized in that: stator discs (2) is the disc type annular core of double surface grooving, and every stator slot is parallel slot and is evenly distributed on each anchor ring; Circular Winding (5) is wrapped in per two axial corresponding stator slots, forms the coil of a ring-type, and every pair of stator slot all forms an independently coil, obtains the coil number identical with number of stator slots, forms polyphase windings; Left side rotor disk (4) and right side rotor disk (3) are the disc type annular core, each rotor disk is made up of the interior end ring (9) of inside and outside different-diameter, outer end ring (10) and some slivers (11) respectively again, sliver (11) adopts straight trough or skewed slot to distribute, in the end of sliver, respectively the two ends of all slivers are all coupled together with two end ring and to form the rotor winding; Left side rotor disk (4) is connected with fixed axis (1) with right side bearing (6) by left side bearing (7) respectively with right side rotor disk (3), left side rotor disk (4) and right side rotor disk (3) are around fixed axis (1) rotation, and left side rotor disk (4) has different rotating speeds respectively with right side rotor disk (3).
2. heterogeneous Circular Winding birotor disc type induction machine, comprise stator discs, ring-like winding, rotor disk and rotating shaft, it is characterized in that: stator discs (2) is the disc type annular core of double surface grooving, and every stator slot is parallel slot and is evenly distributed on each anchor ring; Circular Winding (5) is wrapped in per two axial corresponding stator slots, forms the coil of a ring-type, and every pair of stator slot all forms an independently coil, obtains the coil number identical with number of stator slots, forms polyphase windings; Left side rotor disk (4) and right side rotor disk (3) are the disc type annular core, each rotor disk is made up of the interior end ring (9) of inside and outside different-diameter, outer end ring (10) and some slivers (11) respectively again, sliver (11) adopts straight trough or skewed slot to distribute, in the end of sliver, respectively the two ends of all slivers are all coupled together with two end ring and to form the rotor winding; Left side rotor disk (4) and right side rotor disk (3) are fixed in the rotating shaft (8), and left side rotor disk (4) rotates with identical speed with rotating shaft (8) with right side rotor disk (3).
3. a kind of heterogeneous Circular Winding birotor disc type induction machine according to claim 1 and 2 is characterized in that described sliver (11) adopts the grooved of straight trough or skewed slot to adopt open slot, semi-enclosed slot or the groove of remaining silent.
4. a kind of heterogeneous Circular Winding birotor disc type induction machine according to claim 1 and 2, the material that it is characterized in that described sliver (11) is aluminium or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110024336 CN102075043A (en) | 2011-01-23 | 2011-01-23 | Multi-phase annular winding birotor disc type induction motors |
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| CN 201110024336 CN102075043A (en) | 2011-01-23 | 2011-01-23 | Multi-phase annular winding birotor disc type induction motors |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412639A (en) * | 2011-12-29 | 2012-04-11 | 浙江双民科技有限公司 | Stator structure of disc-type motor with slots on double end faces |
| CN102916541A (en) * | 2012-10-22 | 2013-02-06 | 浙江省三门县飞达电器有限公司 | Double-rotor structure of disc-type double-rotor asynchronous motor |
| CN106887908A (en) * | 2016-11-16 | 2017-06-23 | 南方电机科技有限公司 | A kind of stator, motor, motor and control device, equipment |
| CN107516949A (en) * | 2016-06-16 | 2017-12-26 | 上海鸣志电器股份有限公司 | A kind of two-phase dish-style stepper motor |
| CN109742916A (en) * | 2019-02-21 | 2019-05-10 | 郑州大学 | A kind of permanent magnetism list stator and double-rotor disc type electric machine weakening cogging torque |
| CN109951036A (en) * | 2019-02-21 | 2019-06-28 | 郑州大学 | A kind of constant two-rotor axial magnetic flux Circular Winding magneto of rotating ratio |
| CN110545020A (en) * | 2019-09-24 | 2019-12-06 | 哈尔滨工业大学 | Axial magnetic field double-rotor AC motor |
| CN111009979A (en) * | 2019-11-26 | 2020-04-14 | 华北电力大学 | High-voltage high-power cage type motor rotor slot |
| CN112436697A (en) * | 2019-08-26 | 2021-03-02 | 美的威灵电机技术（上海）有限公司 | Motor and fan |
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| CN1135810A (en) * | 1994-09-20 | 1996-11-13 | 昆士兰铁路公司 | Open stator axial flux electric motor |
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| CN1858966A (en) * | 2006-03-27 | 2006-11-08 | 曾琼东 | Round disc type double rotor single turning DC brushless motor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412639A (en) * | 2011-12-29 | 2012-04-11 | 浙江双民科技有限公司 | Stator structure of disc-type motor with slots on double end faces |
| CN102916541A (en) * | 2012-10-22 | 2013-02-06 | 浙江省三门县飞达电器有限公司 | Double-rotor structure of disc-type double-rotor asynchronous motor |
| CN102916541B (en) * | 2012-10-22 | 2015-02-18 | 浙江省三门县飞达电器有限公司 | Double-rotor structure of disc-type double-rotor asynchronous motor |
| CN107516949A (en) * | 2016-06-16 | 2017-12-26 | 上海鸣志电器股份有限公司 | A kind of two-phase dish-style stepper motor |
| CN106887908A (en) * | 2016-11-16 | 2017-06-23 | 南方电机科技有限公司 | A kind of stator, motor, motor and control device, equipment |
| WO2018090935A1 (en) * | 2016-11-16 | 2018-05-24 | 南方电机科技有限公司 | Stator, motor, electric motor and control device, and device |
| CN106887908B (en) * | 2016-11-16 | 2019-03-29 | 南方电机科技有限公司 | A kind of stator, motor, motor and control equipment, equipment |
| CN109742916A (en) * | 2019-02-21 | 2019-05-10 | 郑州大学 | A kind of permanent magnetism list stator and double-rotor disc type electric machine weakening cogging torque |
| CN109951036A (en) * | 2019-02-21 | 2019-06-28 | 郑州大学 | A kind of constant two-rotor axial magnetic flux Circular Winding magneto of rotating ratio |
| CN112436697A (en) * | 2019-08-26 | 2021-03-02 | 美的威灵电机技术（上海）有限公司 | Motor and fan |
| CN110545020A (en) * | 2019-09-24 | 2019-12-06 | 哈尔滨工业大学 | Axial magnetic field double-rotor AC motor |
| CN111009979A (en) * | 2019-11-26 | 2020-04-14 | 华北电力大学 | High-voltage high-power cage type motor rotor slot |
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Application publication date: 20110525 |