CN102111054A - Wave winding multi-phase parallel high-power brushless direct current motor - Google Patents
Wave winding multi-phase parallel high-power brushless direct current motor Download PDFInfo
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- CN102111054A CN102111054A CN 201110085780 CN201110085780A CN102111054A CN 102111054 A CN102111054 A CN 102111054A CN 201110085780 CN201110085780 CN 201110085780 CN 201110085780 A CN201110085780 A CN 201110085780A CN 102111054 A CN102111054 A CN 102111054A
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Abstract
The invention discloses a wave winding multi-phase parallel high-power brushless direct current motor. A stator of the motor adopts a three-phase winding. During winding, each winding is disassembled into two or more sub-phase windings wound in an inserting winding groove of a stator core first, then two or more sub-phase windings of each winding are connected together end to end in parallel respectively, and all the sub-phase windings are connected with one another to form the three-phase winding. Compared with the conventional directly-wound three-phase winding, because one strand of wiring harness originally consisting of a plurality of enameled wires is disassembled into two or more strands of wire harnesses when the wave windings of the motor are in multi-phase parallel winding, and the wire harnesses are embedded and wound in the inserting winding groove of the stator, the sectional area and the hardness of each strand of the wire harnesses are reduced, the wire embedding difficulty of the windings is obviously reduced, the three-phase symmetry of the windings is improved, the end length of the windings is reduced, and the effective material consumption of the windings is reduced.
Description
Technical field
The present invention relates to a kind of high-power brushless direct current machine, particularly a kind of stator adopts the high-power brushless direct current machine of three phase windings.
Background technology
Brshless DC motor is made up of motor body and driver, is a kind of typical electromechanical integrated product.The advantage of brushless electric machine: electronic commutation replaces traditional mechanical commutation, dependable performance, do not have wearing and tearing forever, failure rate is low, the life-span has been improved about 6 times than brush motor, the efficient height, volume is little, has represented the developing direction of electric motor car.Widely used three-phase brushless dc motor, stator adopts the three-phase alternating current distributed winding, and three phase windings directly turn to star Y or triangle △, and star winding schematic diagram is as shown in Figure 1.But to the high-power brushless direct current machine, as high-power brushless direct current machine such as electric automobile, oil field, because electric current is very big, usually adopt and reach tens of leads and be compiled into wire harness and carry out rule, because the wire harness sectional area is big, flexible poor, traditional three-phase winding construction tends to cause the rule difficulty, and winding overhang is long, three-phase winding parameter imbalance, effectively degradation problem under the stock utilization.
Summary of the invention
The present invention proposes that a kind of that three phase windings are resolved into a plurality of subitem windings is in parallel again and adopt the wave winding Multiphase Parallel high-power brushless direct current machine of wave winding rule mode, and the winding configuration that is proposed has solved the problems referred to above of high-power brushless direct current machine tradition winding construction.
The present invention solves the problems of the technologies described above the concrete scheme of employing:
This wave winding Multiphase Parallel high-power brushless direct current machine, its stator adopts three phase windings, when winding, every winding resolves into two or more sub-phase windings earlier, in the line embedding groove of stator core, respectively the two or more sub-phase winding of every winding is connected in parallel from beginning to end then, is interconnected to constitute three phase windings again.Like this, originally every 1 strand bundle that winding is made up of many enamelled wires has just resolved into the wire harness more than two strands or two strands, and embedding is in the line embedding groove of stator respectively.Like this, just reduce the sectional area and the hardness of per share wire harness, obviously reduced winding rule difficulty, improved the three-phase symmetry of winding, reduced winding overhang length, reduced the effective material consumption of winding.The end refers to the stator core two ends not in inner winding part unshakable in one's determination (being invalid edges), stator winding form in the past is because the cross-sectional area of wire harness is bigger, flexible poor, relatively more difficult during rule, cause the invalid edges winding of end more, effectively stock utilization has just descended, and the present invention adopts the mode of Multiphase Parallel, make the wire harness cross-sectional area of stator winding diminish, better flexible, the invalid edges of end will correspondingly reduce simultaneously.
Each sub-phase winding short pitch, meropodium apart from embedding alternately around, make that the sub-phase winding phase place of each phase winding is identical.Like this, just do not have phase difference between each sub-phase winding, circulation can not occur.
Each sub-phase winding adopts the mode of wave winding to carry out coiling, and in the sub-phase winding number of turn greater than 2 o'clock, adopt clockwise and the mode coiling that replaces counterclockwise around stator circumference.Like this, just make winding overhang shorter more even.Stator circumference clockwise and the mode coiling that replaces counterclockwise make the position of circumferencial direction of each sub-phase winding not concentrate on the same groove, thereby make rule more succinct, it is shorter that the end can be done, and makes the utilance of effective material rise like this.To motor multipole, that the branch road sectional area of wire is bigger, for saving interpolar line copper, usually adopt wave winding, the characteristics of wave winding are that two single-turn circular coil wavinesses that are connected are advanced.The connection rule of wave winding is, all same polarity (as N
1.N
2) under belong to same phase coil be together in series successively by waveform, form one group, again all another polarity (S
1.S
2) under belong to same phase coil be together in series successively by waveform, form another group, at last this two big group coil is connected into series connection or in parallel as required, constitute a phase winding.
Three phase windings of Xing Chenging can be star connections at last, also can be delta connections, and rotor can manufacture internal rotor, also can manufacture external rotor.Like this, make this winding mode be able to extensive use.
Beneficial effect of the present invention: compare with traditional direct coiling three phase windings, because the 1 strand bundle of during wave winding Multiphase Parallel coiling of the present invention many enamelled wires of former cause being formed, resolve into wire harness more than two strands or two strands, embedding is in the line embedding groove of stator respectively, reduce the sectional area and the hardness of per share wire harness, obviously reduced winding rule difficulty, improved the three-phase symmetry of winding, reduce winding overhang length, reduced the effective material consumption of winding.
Description of drawings
Fig. 1 is the present invention's three phase winding Y-connection schematic diagrams;
Fig. 2 is the rule schematic diagram of specific embodiment of the invention A item winding;
Fig. 3 is that each phase winding of the specific embodiment of the invention is in parallel respectively, forms the structural representation of 3 phase windings;
Fig. 4 is 3 o'clock for the sub-phase winding number of turn of the present invention, adopts clockwise and the counterclockwise alternately winding schematic diagram of coiling;
The sub-phase winding number of turn of Fig. 5 the present invention is 3 o'clock, adopts clockwise and replace counterclockwise the perspective view of coiling.
Description of reference numerals: coil side 1, stator 2, line embedding groove 2-1, winding head 3, coil tail 4, the first circle coils 5, the second circle coils 6, the three circle coils 7, winding 8, sub-phase winding 8-1.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
With reference to accompanying drawing: present embodiment resolves into two subitem winding 8-1 with every winding 8, and each subitem winding 8-1 is an example around 3 circles.
This wave winding Multiphase Parallel high-power brushless direct current machine of the present invention is that with the difference of traditional brshless DC motor the stator winding structure is different.The technical solution of stator winding is: every winding 8 resolves into two sub-phase winding 8-1 earlier, in the line embedding groove 2-1 of stator 2, respectively two sub-phase winding 8-1 of every winding 8 are connected in parallel from beginning to end then, are interconnected to constitute three phase windings with other two windings again.Each sub-phase winding short pitch, meropodium apart from embedding alternately around, make that the sub-phase winding 8-1 phase place of each phase winding is identical.Each sub-phase winding 8-1 adopts the mode of wave winding to carry out coiling, adopts around stator 2 circumference clockwise and the mode coiling that replaces counterclockwise.
Referring to Fig. 2, when coiling A phase winding, the coil side 1 of 2 sub-phase winding 8-1 rolls off the production line respectively, and short pitch and meropodium form two sub-phase windings of A1-X1, A2-X2 apart from hocketing, again line first A1, A2 are linked together, line tail X1, X2 link together, thus the A phase winding A-X that forms in parallel, and B, C phase winding are with the quadrat method winding, make the winding of original coiled 6 phases, parallel connection becomes 3 phase windings.3 phase windings that obtained can be Y-connections, as Fig. 3, also can be that triangle connects.When the winding rule, must adopt short pitch, meropodium apart from embedding alternately around, and can not wait the pitch embedding around, otherwise can cause that phase difference is arranged between the sub-phase winding, circulation appears.When rule, can also be according to every coil turn requirement, adopt around stator circumference clockwise around a week, around the mode in week etc., make winding overhang shorter more even, counterclockwise as Fig. 4, shown in Figure 5.Among Fig. 4, mark 3 is the winding head (being first A1, A2 of previously described line) of two sub-phase windings, and mark 4 is the coil tail (being previously described line tail X1, X2) of two sub-phase windings, and mark 5 is the first circle coil, mark 6 second circle coils, mark 7 are the 3rd circle coil.
Description in conjunction with the above-mentioned exemplary type that the present invention is carried out; but specific implementation of the present invention is not limited by aforesaid way; adopt method of the present invention design and the various improvement of technical scheme, or directly apply to other occasions, all within protection scope of the present invention without improvement.
Claims (4)
1. wave winding Multiphase Parallel high-power brushless direct current machine, its stator adopts three phase windings, it is characterized in that: when winding, every winding resolves into two or more sub-phase windings earlier, in the line embedding groove of stator core, respectively the two or more sub-phase winding of every winding is connected in parallel from beginning to end then, is interconnected to constitute three phase windings again.
2. wave winding Multiphase Parallel high-power brushless direct current machine according to claim 1 is characterized in that: each sub-phase winding short pitch, meropodium apart from embedding alternately around, make that the sub-phase winding phase place of each phase winding is identical.
3. wave winding Multiphase Parallel high-power brushless direct current machine according to claim 1 and 2, it is characterized in that: described each sub-phase winding adopts the mode of wave winding to carry out coiling, and in the sub-phase winding number of turn greater than 2 o'clock, adopt clockwise and the mode coiling that replaces counterclockwise around stator circumference.
4. wave winding Multiphase Parallel high-power brushless direct current machine according to claim 1 and 2, it is characterized in that: three phase windings of Xing Chenging can be star connections at last, also can be delta connection, rotor can manufacture internal rotor, also can manufacture external rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085780 CN102111054A (en) | 2011-04-07 | 2011-04-07 | Wave winding multi-phase parallel high-power brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085780 CN102111054A (en) | 2011-04-07 | 2011-04-07 | Wave winding multi-phase parallel high-power brushless direct current motor |
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| Publication Number | Publication Date |
|---|---|
| CN102111054A true CN102111054A (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110085780 Pending CN102111054A (en) | 2011-04-07 | 2011-04-07 | Wave winding multi-phase parallel high-power brushless direct current motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957223A (en) * | 2011-08-24 | 2013-03-06 | 三菱电机株式会社 | Automotive alternating-current generator |
| CN103296797A (en) * | 2012-02-29 | 2013-09-11 | 株式会社丰田自动织机 | Stator of rotary electric machine |
| CN104052180A (en) * | 2014-07-09 | 2014-09-17 | 东南大学 | Multiple symmetrical winding magnetic flux switching motor and winding design method thereof |
| TWI808509B (en) * | 2021-07-23 | 2023-07-11 | 大陸商蔚然(南京)動力科技有限公司 | Flat-wire wave windings and multiphase motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147682Y (en) * | 1993-02-22 | 1993-11-24 | 文登市金龙电机厂 | Three-phase power-changing asynchronous motor |
| CN2452199Y (en) * | 2000-11-16 | 2001-10-03 | 沈阳工业大学 | Large low-speed torque permasyn motor |
| CN1445908A (en) * | 2002-03-15 | 2003-10-01 | 邓悌康 | winding of three-phase current motor with wet stator in four flat surface and dual single layers |
| CN2591843Y (en) * | 2002-12-30 | 2003-12-10 | 湖南工程学院 | Brushless double-feed motor |
| JP2006311716A (en) * | 2005-04-28 | 2006-11-09 | Toyota Motor Corp | Winding structure of rotary electric machine |
-
2011
- 2011-04-07 CN CN 201110085780 patent/CN102111054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147682Y (en) * | 1993-02-22 | 1993-11-24 | 文登市金龙电机厂 | Three-phase power-changing asynchronous motor |
| CN2452199Y (en) * | 2000-11-16 | 2001-10-03 | 沈阳工业大学 | Large low-speed torque permasyn motor |
| CN1445908A (en) * | 2002-03-15 | 2003-10-01 | 邓悌康 | winding of three-phase current motor with wet stator in four flat surface and dual single layers |
| CN2591843Y (en) * | 2002-12-30 | 2003-12-10 | 湖南工程学院 | Brushless double-feed motor |
| JP2006311716A (en) * | 2005-04-28 | 2006-11-09 | Toyota Motor Corp | Winding structure of rotary electric machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957223A (en) * | 2011-08-24 | 2013-03-06 | 三菱电机株式会社 | Automotive alternating-current generator |
| CN102957223B (en) * | 2011-08-24 | 2015-02-25 | 三菱电机株式会社 | Automotive alternating-current generator |
| CN103296797A (en) * | 2012-02-29 | 2013-09-11 | 株式会社丰田自动织机 | Stator of rotary electric machine |
| CN103296797B (en) * | 2012-02-29 | 2015-10-21 | 株式会社丰田自动织机 | The stator of electric rotating machine |
| US9203289B2 (en) | 2012-02-29 | 2015-12-01 | Kabushiki Kaisha Toyota Jidoshokki | Stator of rotary electric machine |
| CN104052180A (en) * | 2014-07-09 | 2014-09-17 | 东南大学 | Multiple symmetrical winding magnetic flux switching motor and winding design method thereof |
| CN104052180B (en) * | 2014-07-09 | 2016-06-01 | 东南大学 | A kind of multiple symmetric winding flux switch motor and design of Windings method thereof |
| TWI808509B (en) * | 2021-07-23 | 2023-07-11 | 大陸商蔚然(南京)動力科技有限公司 | Flat-wire wave windings and multiphase motor |
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Application publication date: 20110629 |