CN112865451A - Parallel winding method for permanent magnet brushless direct current motor - Google Patents
Parallel winding method for permanent magnet brushless direct current motor Download PDFInfo
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- CN112865451A CN112865451A CN202110020024.3A CN202110020024A CN112865451A CN 112865451 A CN112865451 A CN 112865451A CN 202110020024 A CN202110020024 A CN 202110020024A CN 112865451 A CN112865451 A CN 112865451A
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- 238000000034 method Methods 0.000 title claims abstract description 26
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
A permanent magnet brushless direct current motor parallel winding method is characterized in that a wire end A, a wire end B and a wire end C of the motor are respectively used as ABC three phase wires, any one of nine teeth is a first tooth, and each phase wire adopts double Y-junction winding. Compared with the conventional parallel winding and winding method of the motor, the double-Y-junction winding method has the advantages that the gap bridge line between the winding units can be reduced, the wire arranging time is shortened, the tail line is formed by connecting 3 phase lines of Y junctions in number and 6 phase lines of Y junctions in number, compared with the conventional tail line, the rule is reduced by 1 time, the process is simplified, the production efficiency is improved, the production cost is reduced, and the efficiency of the motor is improved by about 10%.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a parallel winding method of a permanent magnet brushless direct current motor.
Background
The existing motor is wound and wound by adopting Y-shaped knots with 6 tail wires, and the winding is generally carried out twice or simultaneously by two phases of wires. The two processes are complex, the winding time is long, the working efficiency is low, the Y-shaped knot formed by connecting 6 tail lines is large in volume, and the production cost is increased.
Disclosure of Invention
The application provides a parallel winding method of a permanent magnet brushless direct current motor, which improves the winding speed of a motor, improves the production efficiency and reduces the production cost.
A permanent magnet brushless direct current motor and winding method, tap A, tap B, tap C of the said motor are regarded as ABC three-phase line separately, characterized by that, choose a tooth as the first tooth in nine teeth, A thread end, B thread end, C thread end of every group of winding are connected together and formed a Y knot, every phase line adopts the winding of double Y knots, these two Y knots can be independent, can also connect these two Y knots together.
In some embodiments, the method comprises:
s11, reversely winding a wire on the first tooth, leading a wire head A to be led in from A1 to be led out from A2, wherein the number of turns of the winding is 2N, and the tail of the A2 wire extends to a fourth tooth A3;
s12, winding wire of the fourth tooth in a reverse direction, wherein the wire is led from A3 to A4 and is led out, the number of turns of the winding wire is N, the winding wire is knotted to be led out, the lead wire at the other end of the wire end is wound to the fourth tooth in a forward direction, the wire is led from A4 to A3 and is led out, the number of turns of the winding wire is N, and the tail of A3 extends to A6 of the seventh tooth;
s13, forward winding of the seventh tooth, leading the wire from A6 to A5 for outgoing, wherein the number of turns of the winding is 2N, and the winding extends to an outgoing wire tail A;
s21, winding wires of the second tooth in the reverse direction, leading a wire head B from a B1 to a B2 to be led out, wherein the number of turns of the winding wires is 2N, and the tail of a B2 wire extends to a fifth tooth B3;
s22, winding the wire in the reverse direction of the fifth tooth, leading the wire from B3 to a B4 outlet wire, wherein the number of winding turns is N, the wire is knotted to a wire outlet end, the lead wire at the other end of the wire end is wound towards the forward direction of the fifth tooth, the wire is led from B4 to the B3 outlet wire, the number of winding turns is N, and the tail of B3 extends to an eighth tooth B6;
s23, forward winding of the eighth tooth, leading the wire from B6 to B5 and leading the wire out, wherein the number of turns of the winding is 2N, and the winding extends to a wire outlet tail B;
s31, winding wires of the third tooth in a reverse direction, leading a wire head C to be led in from a C1 to a C2 to be led out, wherein the number of turns of the winding wires is 2N, and a wire tail of the C2 extends to a sixth tooth C3;
s32, winding wires of the sixth tooth in a reverse direction, wherein the wires are led in from the C3 to the C4 and are led out, the number of winding turns is N, the wire is knotted and led out, the lead wire at the other end of the wire end is wound towards the sixth tooth in a forward direction, the wires are led in from the C4 to the C3 and are led out, the number of winding turns is N, and the tail of the C3 extends to the C6 of the ninth tooth;
s33, forward winding of the ninth tooth, leading the wire from the C6 to the C5 to be outgoing, wherein the number of turns of the winding is 2N, and the winding extends to the outgoing tail C.
The winding direction can be reversed.
In some embodiments, the method further comprises: connecting A, B, C three ends of three-phase line; the three lines of the A, B, C three-phase line are terminated together.
According to the embodiment, the double-Y-junction winding method is adopted, compared with a conventional motor parallel winding method, the double-Y-junction winding method can reduce the gap between winding units and shorten the wire arranging time, wherein the tail wire is formed by connecting 3 phase wires with the Y junctions in number which are 1 time less than 6 phase wires with the Y junctions which are connected with the conventional tail wire, the specification is reduced by 1 time, the process is simplified, the production efficiency is improved, the production cost is reduced, and the motor efficiency is improved by about 10%.
Drawings
FIG. 1 is a schematic view of a conventional winding diagram of the prior art;
FIG. 2 is a schematic winding diagram of an embodiment of the present application;
fig. 3 is a schematic wiring diagram according to an embodiment of the present application.
Reference numerals:
1. a first tooth of the motor; 2. a motor second tooth; 3. a third tooth of the motor; 4. a fourth tooth of the motor; 5. a fifth tooth of the motor; 6. a sixth tooth of the motor; 7. a seventh tooth of the motor; 8. the eighth tooth of the motor; 9. a ninth tooth of the motor; a1, a first tooth feed line position of the motor; a2, a first tooth outgoing line position of the motor; a3, a fourth tooth wire inlet/outlet position of the motor; a4, a fourth tooth wire inlet/outlet position of the motor; a5, a seventh tooth outgoing line position of the motor; a6, a seventh tooth lead-in position of the motor; b1, a second motor gear lead position; b2, a second gear output line of the motor; b3, the wire inlet/outlet position of the fifth tooth of the motor; b4, the wire inlet/outlet position of the fifth tooth of the motor; b5, the eighth tooth of the motor is in an outgoing line position; b6, an eighth tooth incoming line position of the motor; c1, a third tooth feed line position of the motor; c2, a third tooth wire outlet position of the motor; c3, the wire inlet/outlet position of the sixth tooth of the motor; c4, the wire inlet/outlet position of the sixth tooth of the motor; c5, a ninth tooth lead-out position of the motor; c6, and the ninth tooth lead-in position of the motor.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The conventional winding is shown in fig. 1 and takes three phases and is connected in parallel. The AA ' thread ends are screwed together, the BB ' thread ends are screwed together, and the CC ' thread ends are screwed together. Twisting the wire ends into a phase wire is called as follows: phase lines A, B and C. The conventional winding and tying method is as follows:
the method comprises the following steps: a is the first phase line
1. The forward winding of the first tooth is from A2 to A1, the number of turns of the winding is N, and a wire tail A1 extends to a fourth tooth A4;
2. the forward winding of the fourth tooth is from A4 to A3, the number of turns of the winding is N, and a wire tail A3 extends to a seventh tooth A6;
3. the forward winding of the seventh tooth is from the A6 to the A5, the number of turns of the winding is N, and the winding extends to the A wire tail;
step two: b is a second phase line
1. The second tooth positive winding is wound from the B2 to the B1, the number of turns of the winding is N, and a wire tail B1 extends to the fifth tooth B4;
2. the forward winding of the fifth tooth is from the B4 to the B3, the number of turns of the winding is N, and the tail B3 extends to the eighth tooth B6;
3. the eighth tooth is wound in a forward direction, the wire is led from the B6 to the B5, the number of turns of the winding is N, and the winding extends to the tail of the B wire;
step three: c is a third phase line
1. The forward winding of the third tooth is from C2 to C1, the number of turns of the winding is N, and a wire tail C1 extends to a sixth tooth C4;
2. the forward winding of the sixth tooth is from C4 to C3, the number of turns of the winding is N, and a wire tail C3 extends to the ninth tooth C6;
3. and the forward winding of the ninth tooth is led from the C6 to the C5, the number of turns of the winding is N, and the winding extends to the tail of the outgoing C wire.
The wiring method comprises the following steps: and the A5, the B5 and the C5 are connected together in a tail mode to form a Y-shaped knot, and then the A2, the B2 and the C2 form A, B, C three-phase lines.
In an embodiment of the present invention, referring to fig. 2, the winding method of the present application includes the following steps:
the number of turns N is the number of turns to be wound, and 2N is 2 times N. All of the one to nine teeth may be the first tooth, and any one of the nine teeth may be the first tooth. A tap, B tap and C tap are respectively used as A, B and C phases.
Step S1: a is the first phase line
S11, reversely winding a wire on the first tooth, leading a wire head A to be led in from A1 to be led out from A2, wherein the number of turns of the winding is 2N, and the tail of the A2 wire extends to a fourth tooth A3;
s12, winding wire of the fourth tooth in a reverse direction, wherein the wire is led from A3 to A4 and is led out, the number of turns of the winding wire is N, the winding wire is knotted to be led out, the lead wire at the other end of the wire end is wound to the fourth tooth in a forward direction, the wire is led from A4 to A3 and is led out, the number of turns of the winding wire is N, and the tail of A3 extends to A6 of the seventh tooth;
s13, forward winding of the seventh tooth, leading the wire from A6 to A5 for outgoing, wherein the number of turns of the winding is 2N, and the winding extends to an outgoing tail A.
Step S2: b is a second phase line
S21, winding wires of the second tooth in the reverse direction, leading a wire head B from a B1 to a B2 to be led out, wherein the number of turns of the winding wires is 2N, and the tail of a B2 wire extends to a fifth tooth B3;
s22, winding the wire in the reverse direction of the fifth tooth, leading the wire from B3 to a B4 outlet wire, wherein the number of winding turns is N, the wire is knotted to a wire outlet end, the lead wire at the other end of the wire end is wound towards the forward direction of the fifth tooth, the wire is led from B4 to the B3 outlet wire, the number of winding turns is N, and the tail of B3 extends to an eighth tooth B6;
and S23, winding the eighth tooth in the forward direction, leading the wire from the B6 to the B5, wherein the winding number is 2N, and extending to the wire outlet tail B.
Step S3: c is a third phase line
S31, winding wires of the third tooth in a reverse direction, leading a wire head C to be led in from a C1 to a C2 to be led out, wherein the number of turns of the winding wires is 2N, and a wire tail of the C2 extends to a sixth tooth C3;
s32, winding wires of the sixth tooth in a reverse direction, wherein the wires are led in from the C3 to the C4 and are led out, the number of winding turns is N, the wire is knotted and led out, the lead wire at the other end of the wire end is wound towards the sixth tooth in a forward direction, the wires are led in from the C4 to the C3 and are led out, the number of winding turns is N, and the tail of the C3 extends to the C6 of the ninth tooth;
s33, forward winding of the ninth tooth, leading the wire from the C6 to the C5 to be outgoing, wherein the number of turns of the winding is 2N, and the winding extends to the outgoing tail C.
The winding direction can be reversed.
Referring to fig. 3, the wiring method of the present application is to connect the three ends of A, B, C three-phase wires together; the three lines of the A, B, C three-phase line are terminated together. Therefore, the head of the line A, the head of the line B and the head of the line C of each winding group are connected together to form a Y-junction, the tail of the line A, the tail of the line B and the tail of the line C of each winding group are connected together to form a Y-junction, each phase line adopts double Y-junction winding, and the two Y-junctions can be independent or connected together.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (3)
1. A permanent magnet brushless direct current motor and winding method, tap A, tap B, tap C of the said motor are regarded as ABC three-phase line separately, characterized by that, choose a tooth as the first tooth in nine teeth, A thread end, B thread end, C thread end of every group of winding are connected together and formed a Y knot, every phase line adopts the winding of double Y knots, these two Y knots can be independent, can also connect these two Y knots together.
2. The method of claim 1, comprising:
s11, reversely winding a wire on the first tooth, leading a wire head A to be led in from A1 to be led out from A2, wherein the number of turns of the winding is 2N, and the tail of the A2 wire extends to a fourth tooth A3;
s12, winding wire of the fourth tooth in a reverse direction, wherein the wire is led from A3 to A4 and is led out, the number of turns of the winding wire is N, the winding wire is knotted to be led out, the lead wire at the other end of the wire end is wound to the fourth tooth in a forward direction, the wire is led from A4 to A3 and is led out, the number of turns of the winding wire is N, and the tail of A3 extends to A6 of the seventh tooth;
s13, forward winding of the seventh tooth, leading the wire from A6 to A5 for outgoing, wherein the number of turns of the winding is 2N, and the winding extends to an outgoing wire tail A;
s21, winding wires of the second tooth in the reverse direction, leading a wire head B from a B1 to a B2 to be led out, wherein the number of turns of the winding wires is 2N, and the tail of a B2 wire extends to a fifth tooth B3;
s22, winding the wire in the reverse direction of the fifth tooth, leading the wire from B3 to a B4 outlet wire, wherein the number of winding turns is N, the wire is knotted to a wire outlet end, the lead wire at the other end of the wire end is wound towards the forward direction of the fifth tooth, the wire is led from B4 to the B3 outlet wire, the number of winding turns is N, and the tail of B3 extends to an eighth tooth B6;
s23, forward winding of the eighth tooth, leading the wire from B6 to B5 and leading the wire out, wherein the number of turns of the winding is 2N, and the winding extends to a wire outlet tail B;
s31, winding wires of the third tooth in a reverse direction, leading a wire head C to be led in from a C1 to a C2 to be led out, wherein the number of turns of the winding wires is 2N, and a wire tail of the C2 extends to a sixth tooth C3;
s32, winding wires of the sixth tooth in a reverse direction, wherein the wires are led in from the C3 to the C4 and are led out, the number of winding turns is N, the wire is knotted and led out, the lead wire at the other end of the wire end is wound towards the sixth tooth in a forward direction, the wires are led in from the C4 to the C3 and are led out, the number of winding turns is N, and the tail of the C3 extends to the C6 of the ninth tooth;
s33, forward winding of the ninth tooth, leading the wire from the C6 to the C5, wherein the number of turns of the winding is 2N, and the winding extends to the wire outlet tail C;
alternatively, the winding direction may be reversed.
3. The method of claim 1, further comprising: connecting the three ends of the A, B, C three-phase line together to form a Y-junction; the three lines of the A, B, C three-phase line are terminated together to form another Y-junction. The two Y junctions may be independent or may be connected together.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110020024.3A CN112865451B (en) | 2021-01-07 | 2021-01-07 | Parallel winding method for permanent magnet brushless direct current motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110020024.3A CN112865451B (en) | 2021-01-07 | 2021-01-07 | Parallel winding method for permanent magnet brushless direct current motor |
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| CN112865451A true CN112865451A (en) | 2021-05-28 |
| CN112865451B CN112865451B (en) | 2022-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489206A (en) * | 2021-07-27 | 2021-10-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator winding structure, winding method thereof, motor, compressor and air conditioner |
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| JP2005012974A (en) * | 2003-06-20 | 2005-01-13 | Toyota Motor Corp | Stator, motor, method for manufacturing stator, winding device for stator core, and method of using the same |
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| CN104185941A (en) * | 2012-03-29 | 2014-12-03 | 爱信艾达株式会社 | Coil |
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| CN113489206A (en) * | 2021-07-27 | 2021-10-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator winding structure, winding method thereof, motor, compressor and air conditioner |
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| CN112865451B (en) | 2022-08-16 |
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Address after: 518000 701, No. 301-401,71-7, No. 71-1, Xintian Avenue, Xintian Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen Hengdrive Motor Co.,Ltd. Address before: 518000 Guangdong Shenzhen Baoan District Fuyong street Xintian community Xintian road 71-1 A 3 3 story -4 layer. Patentee before: SHENZHEN HENGDRIVE ELECTRIC CO.,LTD. |