CN105262260B - A kind of brushless direct current motor of asymmetric winding - Google Patents
A kind of brushless direct current motor of asymmetric winding Download PDFInfo
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- CN105262260B CN105262260B CN201510673638.6A CN201510673638A CN105262260B CN 105262260 B CN105262260 B CN 105262260B CN 201510673638 A CN201510673638 A CN 201510673638A CN 105262260 B CN105262260 B CN 105262260B
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- 238000004804 winding Methods 0.000 title claims abstract description 64
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The invention discloses a kind of brushless direct current motor of asymmetric winding, the brushless direct current motor composition of the asymmetric winding is as follows：Shell, drive end bearing bracket, rear end cap, stator, rotor, circuit board assemblies, rotor sensor, sensor rear cover, connector base and electric connector；Stator is bonded in the inside of shell, and the stator includes stator core and winding；Stator slot structure is provided on stator core, winding is asymmetric to be embedded in stator slot structure, and the stator winding of the brushless direct current motor of the asymmetric winding significantly increases current of electric using more enameled wires and around form.Under the premise of realizing that motor volume is constant, power of motor is obviously improved.In order to realize that motor working speed adjusts by a small margin in a certain range, stator winding the number of turns in each slot is all different, and this Unsymmetrical Winding is equivalent to score the number of turns winding, realizes that motor speed is continuously adjustable, ensures that motor meets technology requirement.
Description
Technical field
The present invention relates to the structure design of motor and applied technical fields, specifically provide a kind of nothing of asymmetric winding
Brush dc motor.
Background technology
Existing brushless direct current motor is long-term work, and current density is relatively low, and stator winding generally uses single paint
Envelope curve (44) coiling, the output power of motor are restricted.Stator is per slot umber of turn all same, motor speed Adjustment precision ratio
It is relatively low.
People are highly desirable to obtain a kind of brushless direct current motor for the asymmetric winding that technique effect is excellent.
Invention content
The object of the present invention is to provide a kind of brushless direct current motors of the excellent asymmetric winding of technique effect.
The brushless direct current motor of the asymmetric winding constitutes as follows：Shell 1, rear end cap 3, stator 4, turns drive end bearing bracket 2
Son 5, circuit board assemblies 6, rotor sensor 7, sensor rear cover 8, connector base 9 and electric connector 10；Stator 4 is bonded in shell
The inside of body 1, the stator 4 include stator core 41 and winding 42；Stator slot structure 43, winding are provided on stator core 41
42 it is asymmetric be embedded in stator slot structure 43, winding 42 is formed by 44 coiling of enameled wire, and the drive end bearing bracket 2 and rear end cap 3 divide
Be not fixedly connected on the both ends of shell 1, rotor 5 is connected with drive end bearing bracket 2 and rear end cap 3, rotor assembly by bearing and drive end bearing bracket,
Rear end cap coordinates.Circuit board assemblies are fixed on rear end cap by screw, and rotor sensor 7 is connected by nut with rotor 5.Sensing
Device rear cover 8 covers on the outside of rotor sensor 7, and connector base 9 is fixedly connected on shell 1, and electric connector 10 is connected to
It connects on device pedestal 9.
1 circle winding 42 is by 2 enameled wires 44 and around forming.Winding area can be increased considerably, the motor of bigger is carried
Operating current increases power of motor.
12 stator slot structures 43 are provided on the stator core 41, wherein 42 circle of winding in 8 stator slot structures 43
It is 2 circles to count, and 42 the number of turns of winding is 3 circles in 4 stator slot structures 43.The brushless direct current motor of the asymmetric winding it is shared around
Group 28 circle of the number of turns, every slot mean turn areCircle is score the number of turns, and by adjusting the slot number of 3 circle windings, stator winding is flat per slot
Equal the number of turns can be different scores, and the variation of umber of turn is more small, realize that motor speed continuously adjusts.
Traditional stator winding is by single enameled wire coiling, and per slot the number of turns all same, umber of turn is the enamel-cover of coiling in slot
Line radical, referring to attached drawing 2.
The brushless direct current motor of the asymmetric winding has that small, rotating speed is high, efficient, easily controllable etc. numerous
Advantage is widely used in the fields such as space flight and aviation, rail traffic, electric locomotive, precision machine tool.When brushless direct current motor works,
External dc power supply, electric current and magnetic field interaction that permanent magnet generates in winding and generate electromagnetic torque, rotor is in the torque
Under the action of rotate, rotor rotation drives the rotation of sensor magnet ring, and Hall sensor converts rotor rotating excitation field to level position
Confidence number, driver are connected in a fixed order according to position signal control winding, realize electric motors function.
The stator winding of the brushless direct current motor of the asymmetric winding is using more enameled wires and around form, greatly
Increase current of electric.Under the premise of realizing that motor volume is constant, power of motor is obviously improved.In order to realize that motor work turns
Speed adjusts by a small margin in a certain range, and stator winding the number of turns in each slot is all different, and this Unsymmetrical Winding is equivalent to
Score the number of turns winding realizes that motor speed is continuously adjustable, ensures that motor meets technology requirement.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail：
Fig. 1 is the brushless DC motor configurations schematic diagram of asymmetric winding；
Fig. 2 is conventional motors stator structure figure；
Fig. 3 is stator structure figure of the present invention.
Specific implementation mode
Embodiment 1
The brushless direct current motor of the asymmetric winding constitutes as follows：Shell 1, rear end cap 3, stator 4, turns drive end bearing bracket 2
Son 5, circuit board assemblies 6, rotor sensor 7, sensor rear cover 8, connector base 9 and electric connector 10；Stator 4 is bonded in shell
The inside of body 1, the stator 4 include stator core 41 and winding 42；Stator slot structure 43, winding are provided on stator core 41
42 it is asymmetric be embedded in stator slot structure 43, winding 42 is formed by 44 coiling of enameled wire, and the drive end bearing bracket 2 and rear end cap 3 divide
Be not fixedly connected on the both ends of shell 1, rotor 5 is connected with drive end bearing bracket 2 and rear end cap 3, rotor assembly by bearing and drive end bearing bracket,
Rear end cap coordinates.Circuit board assemblies are fixed on rear end cap by screw, and rotor sensor 7 is connected by nut with rotor 5.Sensing
Device rear cover 8 covers on the outside of rotor sensor 7, and connector base 9 is fixedly connected on shell 1, and electric connector 10 is connected to
It connects on device pedestal 9.
1 circle winding 42 is by 2 enameled wires 44 and around forming.Winding area can be increased considerably, the motor of bigger is carried
Operating current increases power of motor.
12 stator slot structures 43 are provided on the stator core 41, wherein 42 circle of winding in 8 stator slot structures 43
It is 2 circles to count, and 42 the number of turns of winding is 3 circles in 4 stator slot structures 43.The brushless direct current motor of the asymmetric winding it is shared around
Group 28 circle of the number of turns, every slot mean turn areCircle is score the number of turns, and by adjusting the slot number of 3 circle windings, stator winding is flat per slot
Equal the number of turns can be different scores, and the variation of umber of turn is more small, realize that motor speed continuously adjusts.
Traditional stator winding is by single enameled wire coiling, and per slot the number of turns all same, umber of turn is the enamel-cover of coiling in slot
Line radical, referring to attached drawing 2.
The brushless direct current motor of the asymmetric winding has that small, rotating speed is high, efficient, easily controllable etc. numerous
Advantage is widely used in the fields such as space flight and aviation, rail traffic, electric locomotive, precision machine tool.When brushless direct current motor works,
External dc power supply, electric current and magnetic field interaction that permanent magnet generates in winding and generate electromagnetic torque, rotor is in the torque
Under the action of rotate, rotor rotation drives the rotation of sensor magnet ring, and Hall sensor converts rotor rotating excitation field to level position
Confidence number, driver are connected in a fixed order according to position signal control winding, realize electric motors function.
The stator winding of the brushless direct current motor of the asymmetric winding is using more enameled wires and around form, greatly
Increase current of electric.Under the premise of realizing that motor volume is constant, power of motor is obviously improved.In order to realize that motor work turns
Speed adjusts by a small margin in a certain range, and stator winding the number of turns in each slot is all different, and this Unsymmetrical Winding is equivalent to
Score the number of turns winding realizes that motor speed is continuously adjustable, ensures that motor meets technology requirement.
Claims (1)
1. a kind of brushless direct current motor of asymmetric winding, it is characterised in that：The brush-less Dc motor of the asymmetric winding
Mechanism is at as follows：Shell (1), drive end bearing bracket (2), rear end cap (3), stator (4), rotor (5), circuit board assemblies (6), sensor turn
Sub (7), sensor rear cover (8), connector base (9) and electric connector (10)；Stator (4) is bonded in the inside of shell (1), institute
It includes stator core (41) and winding (42) to state stator (4)；Stator slot structure (43), winding are provided on stator core (41)
(42) asymmetric to be embedded in stator slot structure (43), winding (42) is formed by enameled wire (44) coiling, the drive end bearing bracket (2) and
Rear end cap (3) is respectively fixedly connected at the both ends of shell (1), and rotor (5) is connected with drive end bearing bracket (2) and rear end cap (3), circuit board
Component is fixed on rear end cap (3), and rotor sensor (7) is connected with rotor (5), and sensor rear cover (8) covers on rotor sensor (7)
Outside, connector base (9) is fixedly connected on shell (1), and electric connector (10) is connected on connector base (9)；1 circle
Winding (42) is by 2 enameled wires (44) and around forming；12 stator slot structures (43) are provided on the stator core (41),
In 8 stator slot structure (43) interior winding (42) the number of turns be 2 circles, 4 stator slot structure (43) interior winding (42) the number of turns are 3 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673638.6A CN105262260B (en) | 2015-10-16 | 2015-10-16 | A kind of brushless direct current motor of asymmetric winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673638.6A CN105262260B (en) | 2015-10-16 | 2015-10-16 | A kind of brushless direct current motor of asymmetric winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105262260A CN105262260A (en) | 2016-01-20 |
| CN105262260B true CN105262260B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510673638.6A Active CN105262260B (en) | 2015-10-16 | 2015-10-16 | A kind of brushless direct current motor of asymmetric winding |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036971A (en) * | 2021-03-05 | 2021-06-25 | 江苏聚磁电驱动科技有限公司 | Single-wire multilayer winding distribution structure of motor and high-performance motor applying same |
| CN115051523A (en) * | 2022-05-24 | 2022-09-13 | 沈阳兴华航空电器有限责任公司 | Brushless DC motor |
| CN120768044A (en) * | 2025-08-01 | 2025-10-10 | 宁波狮球通风机电有限公司 | A shaded-pole motor with asymmetric winding and mutual induction rotor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130628A (en) * | 2003-10-24 | 2005-05-19 | Matsushita Electric Ind Co Ltd | DC brushless motor |
| CN201956863U (en) * | 2010-12-30 | 2011-08-31 | 张国华 | Brushless DC (direct current) disc type direct drive motor for washing machine |
| CN202978530U (en) * | 2012-11-29 | 2013-06-05 | 南阳防爆集团股份有限公司 | Low voltage anti-strong water spraying explosion proof marine motor |
| CN104167836A (en) * | 2013-12-30 | 2014-11-26 | 上海优积驱动技术有限公司 | Concentrated winding permanent magnet motor |
| CN204013016U (en) * | 2014-07-04 | 2014-12-10 | 沈阳兴华航空电器有限责任公司 | A kind of brushless DC motor of high-protection level |
| CN205051470U (en) * | 2015-10-16 | 2016-02-24 | 沈阳兴华航空电器有限责任公司 | Brushless DC motor of asymmetric winding |
-
2015
- 2015-10-16 CN CN201510673638.6A patent/CN105262260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130628A (en) * | 2003-10-24 | 2005-05-19 | Matsushita Electric Ind Co Ltd | DC brushless motor |
| CN201956863U (en) * | 2010-12-30 | 2011-08-31 | 张国华 | Brushless DC (direct current) disc type direct drive motor for washing machine |
| CN202978530U (en) * | 2012-11-29 | 2013-06-05 | 南阳防爆集团股份有限公司 | Low voltage anti-strong water spraying explosion proof marine motor |
| CN104167836A (en) * | 2013-12-30 | 2014-11-26 | 上海优积驱动技术有限公司 | Concentrated winding permanent magnet motor |
| CN204013016U (en) * | 2014-07-04 | 2014-12-10 | 沈阳兴华航空电器有限责任公司 | A kind of brushless DC motor of high-protection level |
| CN205051470U (en) * | 2015-10-16 | 2016-02-24 | 沈阳兴华航空电器有限责任公司 | Brushless DC motor of asymmetric winding |
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| CN105262260A (en) | 2016-01-20 |
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