CN112865452B - Winding method of three-phase motor winding and motor applying winding method - Google Patents
Winding method of three-phase motor winding and motor applying winding method Download PDFInfo
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- CN112865452B CN112865452B CN202110044677.5A CN202110044677A CN112865452B CN 112865452 B CN112865452 B CN 112865452B CN 202110044677 A CN202110044677 A CN 202110044677A CN 112865452 B CN112865452 B CN 112865452B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods 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
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
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Abstract
The invention discloses a winding method of a three-phase motor winding and a motor applying the same, relates to the technical field of motors, and solves the technical problems that the winding method of the three-phase motor winding in the prior art is low in winding efficiency, a three-phase leading-out point is a tooth separation design, and the line end span of a common point winding is large. The winding method of the invention is characterized in that the three-phase wiring pins are arranged on three continuous teeth of the iron core assembly, the three-phase winding is wound by adopting a continuous winding mode, the wire ends of all phases close to the common point wiring pins are pulled to the common point wiring pins through the wire grooves to be wound in the winding process, and the wire tail of the last phase winding is cut off and the redundant winding among all phases of wiring pins is cut off after the winding is finished. The winding method of the invention not only can lead the three-phase wiring needle to be designed with concentrated teeth, but also does not need to break the wire in the winding process of the three-phase winding, and the common point wire end does not have long-distance wire crossing, thereby effectively reducing the design area of the control panel, improving the winding efficiency and reducing the reject ratio in the injection molding process.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a winding method of a three-phase motor winding and a motor using the winding method.
Background
The brushless direct current motor has the characteristics of high efficiency, stepless speed regulation and the like, thereby being widely accepted by the market. The brushless DC motor used by the motor plate for the air conditioner mainly comprises 12 slots, 8 poles and 12 slots, 10 poles.
As shown in fig. 1 to 3, in the 12-slot 10-pole concentrated winding method, the conventional 12-slot 10-pole three-phase winding is distributed at U, U, V, V, W, W, U, U, V, V, W, W, and the winding method is U, V, W three-phase separate winding. The method specifically comprises the following steps: winding the U phase firstly, wherein the winding of the U phase is carried out from the 1 st tooth, and the first shutdown wire breakage treatment is carried out after the 8 th tooth is wound according to the sequence of 1 → 2 → 7 → 8; winding the V phase again, wherein the V phase is advanced from the 3 rd tooth, and the second shutdown wire breakage treatment is carried out after the 10 th tooth is wound according to the sequence of 3 → 4 → 9 → 10; and finally, winding the W phase, wherein the W phase is wound by the 5 th tooth, and the third stop line breaking treatment is carried out after the 12 th tooth is wound according to the sequence of 5 → 6 → 11 → 12, and the specific line routing process can be seen in fig. 2. As shown in fig. 1 or 3, an existing U-phase terminal pin 101 ', an existing V-phase terminal pin 102 ', and an existing W-phase terminal pin 103 ' are located at the 1 st tooth, the 3 rd tooth, and the 5 th tooth, respectively; as shown in fig. 2, the U, V, W winding ends after the three-phase winding are respectively U ', V', W ', and the U, V, W winding ends after the three-phase winding are respectively located at the 8 th tooth, the 10 th tooth and the 12 th tooth, while the existing common point terminal pin 104' is located at the 10 th tooth, and the winding ends of the three phases are directly pulled to the common point for welding in the prior art.
The applicant has found that the winding method of the prior art has at least the following drawbacks: (1) after winding of each phase of winding is finished, one wire breaking treatment is needed, and the other phase of winding is wound, so that the machine needs to be stopped twice in the winding process, and the winding efficiency is low; (2) the U-phase wiring pin, the V-phase wiring pin and the W-phase wiring pin are respectively positioned at the 1 st tooth, the 3 rd tooth and the 5 th tooth, and the three-phase wiring pin (leading-out point) is in a tooth separation design, so that the three-phase wiring pin is dispersed, the miniaturization design of a control panel is not facilitated, and unnecessary cost is increased; (3) the three-phase winding wire ends are directly pulled to the common point for welding, the wire end span is large, and the wire ends are easily damaged or broken by BMC in the injection molding process, so that the quality of the injection molding process is influenced.
Therefore, there is a need for an improved winding method for three-phase motor windings.
Disclosure of Invention
The invention aims to provide a winding method of a three-phase motor winding and a motor applying the winding method, and solves the technical problems that the winding method of the three-phase motor winding in the prior art is low in winding efficiency, a three-phase leading-out point is a tooth separation design, and the span of a common point winding end is large. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention discloses a winding method of a three-phase motor winding, which is characterized in that three-phase wiring pins are arranged on three continuous teeth of a core assembly, the three-phase winding is wound in a continuous winding mode, the wire ends of all phases close to a common point wiring pin are pulled to the common point wiring pin through a wire groove to be wound in the winding process, and the wire tail of the last phase winding is cut off and the redundant winding among all the phase wiring pins is cut off after the winding is finished.
According to a preferred embodiment, the winding method of the three-phase motor winding comprises the following steps:
winding a winding wire head on a first phase wiring needle, starting to wind a first phase of the winding from a first tooth of the first phase winding, and after finishing winding the last tooth of the first phase, pulling the winding wire head of the first phase to a common point wiring needle through a wire passing groove for winding;
drawing a winding wire end to the last tooth of the second phase through the wire slot, starting to wind the second phase of the winding from the last tooth of the second phase, winding the winding wire to the second phase wiring pin after the first tooth of the second phase is wound, and drawing the winding wire end to the third phase wiring pin for winding;
winding a third phase of the winding from the first tooth of the third phase winding, and after the last tooth of the third phase is wound, pulling a winding wire head of the third phase to a common point wiring needle through a wire passing groove for winding;
and shearing the tail of the third phase winding on the common point wiring needle, and simultaneously shearing redundant winding between the second phase wiring needle and the third phase wiring needle.
According to a preferred embodiment, the winding method of the three-phase motor winding starts to wind each phase of the winding in a direction from the a end → the B end → the a end → the B end of the core assembly; or winding is performed for each phase of the winding in a direction from the B end → a end → B end → a end of the core assembly.
According to a preferred embodiment, the winding is a 12-slot 10-pole structure, and the core assembly is a 12-tooth chain structure.
According to a preferred embodiment, the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, V, V, W, W, U, U, V, V, W, W, U, and the U-phase terminal pin is located at the 1 st tooth, the V-phase terminal pin is located at the 2 nd tooth, the W-phase terminal pin is located at the 3 rd tooth, and the common point terminal pin is located at the 11 th tooth.
Preferably, the three-phase winding is continuously wound in the following phase sequence: u → W → V, the three-phase winding is wound in the following order of tooth positions: 1 → 6 → 7 → 12 → 11 → 10 → 5 → 4 → 2 → 3 → 8 → 9, and the winding method comprises the steps of:
winding a winding wire end on a U-phase wiring needle of a 1 st tooth, winding the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core component, and after finishing winding the U-phase winding of a 12 th tooth, pulling the winding wire end to a 11 th tooth through a wire slot to enter and wind the winding wire end on a common point wiring needle;
winding the W phase from the 11 th tooth to the A end of the iron core assembly, winding the winding on the W phase wiring pin of the 3 rd tooth after winding the W phase winding of the 4 th tooth, pulling the winding wire end to the 2 nd tooth, and winding the winding on the V phase wiring pin of the 2 nd tooth;
winding the V-phase from the 2 nd tooth to the B end of the iron core assembly, after winding the V-phase winding of the 9 th tooth, pulling the winding wire end to the 11 th tooth through the wire groove, entering and winding the winding wire end on the common point wiring needle;
and (3) cutting off the tail of the V-phase winding on the common point wiring needle, and simultaneously cutting off redundant winding between the V-phase wiring needle on the 2 nd tooth and the W-phase wiring needle on the 3 rd tooth.
According to a preferred embodiment, the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, U, V, V, W, W, U, U, V, V, W, W, and the U-phase terminal pin is located at the 2 nd tooth, the V-phase terminal pin is located at the 3 rd tooth, the W-phase terminal pin is located at the 4 th tooth, and the common point terminal pin is located at the 10 th tooth.
Preferably, the three-phase winding is continuously wound in the following phase sequence: u → V → W, the three-phase winding is wound in the following order of tooth positions: 1 → 2 → 7 → 8 → 10 → 9 → 4 → 3 → 5 → 6 → 11 → 12, and the winding method comprises the steps of:
winding the winding wire end on the U-phase wiring needle of the 2 nd tooth, wherein the winding wire enters from the 2 nd tooth, then the winding wire is wound on the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core component, and after the U-phase winding of the 8 th tooth is wound, the winding wire end is pulled to the 10 th tooth through the wire passing groove to enter and be wound on the common point wiring needle;
winding a V-phase from the 10 th tooth to the A end of the iron core assembly, winding the winding on the V-phase wiring pin of the 3 rd tooth after winding the V-phase winding of the 3 rd tooth, pulling the winding to the 4 th tooth, and winding the winding on the W-phase wiring pin of the 4 th tooth;
winding the W phase from the 5 th tooth to the B end of the iron core assembly, and after winding the W phase winding of the 12 th tooth, pulling the winding wire end to the 10 th tooth through the wire passing groove to enter and wind the winding wire end on the common point wiring needle;
and (3) cutting off the tail of the W-phase winding on the common point wiring needle, and simultaneously cutting off redundant winding between the V-phase wiring needle on the 3 rd tooth and the W-phase wiring needle on the 4 th tooth.
Preferably, the three-phase winding is continuously wound in the following phase sequence: u → W → V, the three-phase winding is wound in the following order of tooth positions: 1 → 2 → 7 → 8 → 12 → 11 → 6 → 5 → 3 → 4 → 9 → 10, and the winding method comprises the steps of:
winding the winding wire end on the U-phase wiring needle of the 2 nd tooth, wherein the winding wire enters from the 2 nd tooth, then the winding wire is wound on the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core component, and after the U-phase winding of the 8 th tooth is wound, the winding wire end is pulled to the 10 th tooth through the wire passing groove to enter and be wound on the common point wiring needle;
pulling a winding wire to a 12 th tooth through a wire slot, starting winding the W phase from the 12 th tooth and starting winding the W phase in the direction of the A end of the iron core assembly, winding the winding wire to a W phase wiring pin of a 4 th tooth and pulling the winding wire to a 3 rd tooth after winding the W phase winding of the 5 th tooth, and winding the winding wire to a V phase wiring pin of the 3 rd tooth;
winding the V-phase from the 3 rd tooth to the B end of the iron core assembly, and winding the winding end to the common point wiring needle of the 10 th tooth after winding the V-phase winding of the 10 th tooth;
and (3) cutting off the tail of the V-phase winding on the common point wiring needle, and simultaneously cutting off redundant winding between the V-phase wiring needle on the 3 rd tooth and the W-phase wiring needle on the 4 th tooth.
The motor comprises a stator and a rotor, wherein the winding structure of the stator is wound by adopting the winding method in any technical scheme of the invention.
The winding method of the three-phase motor winding and the motor using the same provided by the invention at least have the following beneficial technical effects:
according to the winding method of the three-phase motor winding, the three-phase wiring pins are arranged on the three continuous teeth of the iron core assembly, the three-phase winding is wound in a continuous winding mode, the wire ends of all phases close to the common point wiring pins are pulled to the common point wiring pins through the wire grooves to be wound in the winding process, the wire tail of the last phase winding is cut off after the winding is finished, and redundant windings among all phases of wiring pins are cut off; secondly, the winding method is continuous winding, the machine is stopped for carrying out wire breaking treatment only after the winding is finished, and the machine is not required to be stopped for carrying out the wire breaking treatment in the winding process, so that the winding efficiency is improved; and then, the thread ends close to the common point wiring pins are pulled to the common point wiring pins through the thread grooves and wound, so that the span of the thread ends of the common point winding is small, the impact or the pull-off of BMC on the winding in the injection molding process can be reduced, and the reject ratio of the injection molding process is reduced. The winding method solves the technical problems that the winding method of the three-phase motor winding in the prior art is low in winding efficiency, the three-phase leading-out points are designed to be separated teeth, and the span of the common point winding wire ends is large.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a routing structure of a straight chained stator core assembly of a winding method in the prior art;
FIG. 2 is a schematic diagram of winding directions of windings of each phase in a winding method in the prior art;
FIG. 3 is a schematic view of a prior art wound stator core assembly being rounded after winding;
fig. 4 is a schematic view of a straight chain type stator core assembly routing structure of the winding method according to the first preferred embodiment of the present invention;
fig. 5 is a schematic diagram of winding directions of windings of phases in the winding method according to the first preferred embodiment of the present invention;
fig. 6 is a schematic view of a stator core assembly after winding and rounding in the winding method according to the first preferred embodiment of the present invention;
fig. 7 is a schematic view of a straight chain type stator core assembly routing structure of a winding method according to a second preferred embodiment of the present invention;
fig. 8 is a schematic diagram of winding directions of windings of respective phases in a winding method according to a second preferred embodiment of the present invention;
fig. 9 is a schematic view of a straight chain type stator core assembly routing structure of a winding method according to a third preferred embodiment of the present invention.
In the figure: 101', existing U-phase wiring pin; 102', existing V-phase connector pins; 103', existing W-phase connector pins; 104', existing common point patch pins; 101. a U-phase wiring pin; 102. a V-phase wiring pin; 103. a W-phase wiring pin; 104. a common point wiring pin; 105. an insulation system; 106. and a wire passing groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The following describes a winding method of a three-phase motor winding and a motor using the same in detail with reference to the accompanying drawings 1 to 9 and embodiments 1 to 2 of the specification.
Example 1
This embodiment describes a winding method of a three-phase motor winding according to the present invention in detail.
In the winding method of the three-phase motor winding, the three-phase wiring pins are arranged on three continuous teeth of the iron core assembly, the three-phase winding is wound in a continuous winding mode, the wire ends of all phases close to the common point wiring pin 104 are pulled to the common point wiring pin 104 through the wire grooves 106 to be wound in the winding process, and the wire tail of the last phase winding is cut off and the redundant winding among all the phase wiring pins is cut off after the winding is finished. The continuous winding in the embodiment means that the shutdown and disconnection treatment is not performed in the winding process. The extra winding between the phase pins in this embodiment refers to the winding between the V-phase pin 102 and the W-phase pin 103 in fig. 4, the winding between the V-phase pin 102 and the W-phase pin 103 in fig. 7, or the winding between the V-phase pin 102 and the W-phase pin 103 in fig. 9.
Firstly, the winding method of the embodiment arranges the three-phase wiring pin on three continuous teeth of the iron core assembly, namely, the three-phase leading-out point is designed as the continuous teeth, thereby being beneficial to the miniaturization design of the control panel and reducing the cost; secondly, the winding method of the embodiment is continuous winding, the machine is stopped for carrying out wire breaking treatment only after the winding is finished, and the machine is not required to be stopped for carrying out the wire breaking treatment in the winding process, so that the winding efficiency is improved; and then, the wire ends of the common point wiring pins 104 close to each phase are pulled to the common point wiring pins 104 through the wire grooves 106 to be wound, so that the span of the common point winding wire ends is small, the impact or the snapping of BMC on the winding in the injection molding process can be reduced, and the reject ratio of the injection molding process is reduced. The winding method of the embodiment solves the technical problems that the winding method of the three-phase motor winding in the prior art is low in winding efficiency, the three-phase leading-out point is a tooth separation design, and the span of the common point winding end is large.
According to a preferred embodiment, the winding method of a three-phase motor winding comprises the following steps:
s1: winding wire ends are wound on the first phase wiring needle, winding is carried out on the first phase of the winding from the first tooth of the first phase of the winding, and after the last tooth of the first phase is wound, the winding wire ends of the first phase are pulled to the common point wiring needle 104 through the wire grooves 106 to be wound.
S2: and pulling the winding wire end to the last tooth of the second phase through the wire slot 106, winding the second phase of the winding from the last tooth of the second phase, winding the winding on the second phase wiring pin after the first tooth of the second phase is wound, and pulling the winding wire end to the third phase wiring pin for winding.
S3: and starting to wind the third phase of the winding from the first tooth of the third phase winding, and after finishing winding the last tooth of the third phase, drawing the winding wire head of the third phase to the common point wiring needle 104 through the wire slot 106 for winding.
S4: the tail of the third phase winding on the common point wiring pin 104 is cut off, and simultaneously, the redundant winding between the second phase wiring pin and the third phase wiring pin is cut off.
For example, three-phase windings are defined as a U-phase, a V-phase, and a W-phase, respectively. The first phase in this embodiment may be any one of the U phase, the V phase, and the W phase, the second phase may be any one of the U phase, the V phase, and the W phase, and the third phase may be any one of the U phase, the V phase, and the W phase, and the first phase, the second phase, and the third phase do not overlap with each other. In the preferred technical scheme of this embodiment, the first tooth of each phase winding is the tooth position far away from one end of the common point wiring pin 104, and the last tooth of each phase winding is the tooth position near one end of the common point wiring pin 104; or the first tooth of each phase winding is the tooth position close to the end A, and the last tooth of each phase winding is the tooth position close to the end B; or the first tooth of each phase winding is the tooth position close to the wiring pin of each phase winding, and the last tooth of each phase winding is the tooth position far away from the wiring pin of each phase winding.
According to a preferred embodiment, the winding is performed for each phase of the winding starting in the direction from the a end → the B end → the a end → the B end of the core assembly; or winding is performed for each phase of the winding in a direction from the B end → a end → B end → a end of the core assembly. That is, the winding method according to the preferred embodiment of the present invention may perform winding on the three-phase winding in the positive order, or may perform winding on the three-phase winding in the reverse order.
According to a preferred embodiment, the winding is a 12 slot 10 pole structure and the core assembly is a 12 tooth chain structure. The winding method of the preferred technical scheme of the embodiment is suitable for the motor with a winding of a 12-slot 10-pole structure and an iron core component of a 12-tooth chain structure. It is understood that, without being limited thereto, the winding method according to the preferred embodiment of the present invention may be applied to motors with other structures.
Three preferable winding ways of the preferable technical scheme of the embodiment are described in detail below with reference to fig. 4 to 9 of the specification.
The first preferred embodiment is: as shown in fig. 4 to 6, the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, V, V, W, W, U, U, V, V, W, W, U, and the U-phase terminal pin 101 is located at the 1 st tooth, the V-phase terminal pin 102 is located at the 2 nd tooth, the W-phase terminal pin 103 is located at the 3 rd tooth, and the common point terminal pin 104 is located at the 11 th tooth. Preferably, the core assembly has an insulation system 105, and the insulation system 105 is provided with a wire passing groove 106. Preferably, the three-phase winding is continuously wound in the following phase sequence: u → W → V, the three-phase winding is wound in the following order of tooth positions: 1 → 6 → 7 → 12 → 11 → 10 → 5 → 4 → 2 → 3 → 8 → 9. More preferably, the winding method comprises the following steps:
s1-1: winding end of a winding is wound on the U-phase wiring needle 101 of the 1 st tooth, the winding end of the winding is wound from the 1 st tooth along the direction from the A end to the B end of the iron core assembly, and after the winding of the 12 th tooth of the U-phase winding is wound, the winding end of the winding is pulled to the 11 th tooth through the wire groove 106 to enter and be wound on the common point wiring needle 104.
S2-1: and starting winding the W-phase from the 11 th tooth and towards the A end of the iron core assembly, winding the winding on the W-phase wiring pin 103 of the 3 rd tooth after winding the W-phase winding of the 4 th tooth, pulling the winding wire end to the 2 nd tooth, and winding the winding on the V-phase wiring pin 102 of the 2 nd tooth.
S3-1: and winding the V-phase from the 2 nd tooth to the B end of the iron core assembly, and after the V-phase winding of the 9 th tooth is wound, pulling the winding wire end to the 11 th tooth through the wire slot 106 to enter and wind the winding wire end on the common point wiring needle 104.
S4-1: the tail of the V-phase winding on the common point wiring needle 104 is cut off, and simultaneously, the redundant winding between the V-phase wiring needle 102 on the 2 nd tooth and the W-phase wiring needle 103 on the 3 rd tooth is cut off.
Comparing fig. 4-6 with fig. 1-3, the end-of-line span at the common point is significantly reduced. Therefore, the stator wound by the winding method can not only realize the concentrated tooth connection design of the U-phase wiring needle 101, the V-phase wiring needle 102 and the W-phase wiring needle 103, but also avoid wire breakage in the winding process of the U-phase, V-phase and W-phase three-phase windings, and a common point wire end does not have long-distance wire crossing, so that the design area of a control panel can be effectively reduced, the winding efficiency is improved, and the reject ratio in the injection molding process is reduced.
The second preferred embodiment is: as shown in fig. 7 or 8, the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, U, V, V, W, W, U, U, V, V, W, W, and the U-phase terminal pin 101 is located at the 2 nd tooth, the V-phase terminal pin 102 is located at the 3 rd tooth, the W-phase terminal pin 103 is located at the 4 th tooth, and the common point terminal pin 104 is located at the 10 th tooth. Preferably, the core assembly has an insulation system 105, and the insulation system 105 is provided with a wire passing groove 106. Preferably, the three-phase winding is continuously wound in the following phase sequence: u → V → W, the three-phase winding is wound in the following order of tooth positions: 1 → 2 → 7 → 8 → 10 → 9 → 4 → 3 → 5 → 6 → 11 → 12. More preferably, the winding method comprises the following steps:
s1-2: winding end of a winding is wound on the U-phase wiring pin 101 of the 2 nd tooth, the winding is fed from the 2 nd tooth, then the winding is performed on the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core assembly, and after the U-phase winding of the 8 th tooth is wound, the winding end of the winding is pulled to the 10 th tooth through the wire groove 106 to enter and be wound on the common point wiring pin 104.
S2-2: and winding the V-phase from the 10 th tooth to the A end direction of the iron core assembly, winding the winding on the V-phase wiring pin 102 of the 3 rd tooth and pulling the winding to the 4 th tooth after the winding of the V-phase of the 3 rd tooth is finished, and winding the winding on the W-phase wiring pin 103 of the 4 th tooth.
S3-2: and starting winding the W-phase from the 5 th tooth and towards the end B of the iron core assembly, and after finishing winding the W-phase winding of the 12 th tooth, pulling the winding wire end to the 10 th tooth through the wire slot 106 to enter and wind the winding wire end on the common point wiring needle 104.
S4-2: the tail of the W-phase winding on the common point wiring pin 104 is cut off, and simultaneously, the redundant winding between the V-phase wiring pin 102 on the 3 rd tooth and the W-phase wiring pin 103 on the 4 th tooth is cut off.
Comparing fig. 7 and 8 with fig. 1 and 2, it can be seen that the thread end span at the common point is significantly reduced. Therefore, the stator wound by the winding method can not only realize the concentrated tooth connection design of the U-phase wiring needle 101, the V-phase wiring needle 102 and the W-phase wiring needle 103, but also avoid wire breakage in the winding process of the U-phase, V-phase and W-phase three-phase windings, and a common point wire end does not have long-distance wire crossing, so that the design area of a control panel can be effectively reduced, the winding efficiency is improved, and the reject ratio in the injection molding process is reduced.
The third preferred embodiment is: as shown in fig. 9, the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, U, V, V, W, W, U, U, V, V, W, W, and the U-phase terminal pin 101 is located at the 2 nd tooth, the V-phase terminal pin 102 is located at the 3 rd tooth, the W-phase terminal pin 103 is located at the 4 th tooth, and the common point terminal pin 104 is located at the 10 th tooth. Preferably, the core assembly has an insulation system 105, and the insulation system 105 is provided with a wire passing groove 106. Preferably, the three-phase winding is continuously wound in the following phase sequence: u → W → V, the three-phase winding is wound in the following order of tooth positions: 1 → 2 → 7 → 8 → 12 → 11 → 6 → 5 → 3 → 4 → 9 → 10. More preferably, the winding method comprises the following steps:
s1-3: winding end of a winding is wound on the U-phase wiring pin 101 of the 2 nd tooth, the winding is fed from the 2 nd tooth, then the winding is performed on the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core assembly, and after the U-phase winding of the 8 th tooth is wound, the winding end of the winding is pulled to the 10 th tooth through the wire groove 106 to enter and be wound on the common point wiring pin 104.
S2-3: and pulling the winding wire to the 12 th tooth through the wire slot 106, starting to wind the W phase from the 12 th tooth in the direction of the A end of the iron core assembly, winding the winding wire to the W-phase wiring pin 103 of the 4 th tooth and pulling the winding wire to the 3 rd tooth after the W-phase winding of the 5 th tooth is wound, and winding the winding wire to the V-phase wiring pin 102 of the 3 rd tooth.
S3-3: and winding the V-phase from the 3 rd tooth to the B end of the iron core assembly, and winding the winding wire end on the common point wiring pin 104 of the 10 th tooth after the V-phase winding of the 10 th tooth is wound.
S4-3: the tail of the V-phase winding on the common point wiring needle 104 is cut off, and simultaneously, the redundant winding between the V-phase wiring needle 102 on the 3 rd tooth and the W-phase wiring needle 103 on the 4 th tooth is cut off.
Comparing fig. 9 with fig. 1, it can be seen that the end-of-line span at the common point is significantly reduced. Therefore, the stator wound by the winding method can not only realize the concentrated tooth connection design of the U-phase wiring needle 101, the V-phase wiring needle 102 and the W-phase wiring needle 103, but also avoid wire breakage in the winding process of the U-phase, V-phase and W-phase three-phase windings, and a common point wire end does not have long-distance wire crossing, so that the design area of a control panel can be effectively reduced, the winding efficiency is improved, and the reject ratio in the injection molding process is reduced.
It should be noted that the winding method of the present embodiment is not limited to the above three preferred embodiments, and it is within the scope of the present invention to perform the sequence adjustment, winding in the reverse direction, etc., and change the three-phase winding definition, etc., based on the present embodiment.
Example 2
The motor of the embodiment comprises a stator and a rotor, wherein the winding structure of the stator adopts the winding method of any technical scheme in the embodiment 1 to perform winding. The motor of this embodiment, the winding structure of its stator adopts any one technical scheme's in embodiment 1 wire winding method to wind, not only can make three-phase wiring needle concentrate even tooth design, need not the broken string in the three-phase winding wire winding process moreover, and common point end of a thread also does not have long distance overline to can effectively reduce control panel design area, promote wire winding efficiency, reduce the process defective rate of moulding plastics.
The motor of this embodiment compares in prior art, can effectively reduce control panel design area, promotes motor production efficiency and quality promptly.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A winding method of a three-phase motor winding is characterized in that three-phase wiring pins are arranged on three continuous teeth of a core assembly, the three-phase winding is wound in a continuous winding mode, the wire ends of all phases close to a common point wiring pin are pulled to the common point wiring pin through a wire groove to be wound in the winding process, and the wire tail of the last phase winding is cut off and redundant winding among the wiring pins of all phases is cut off after the winding is finished;
the winding method comprises the following steps:
winding a winding wire head on a first phase wiring needle, starting to wind a first phase of the winding from a first tooth of the first phase winding, and after finishing winding the last tooth of the first phase, pulling the winding wire head of the first phase to a common point wiring needle through a wire passing groove for winding;
drawing a winding wire end to the last tooth of the second phase through the wire slot, starting to wind the second phase of the winding from the last tooth of the second phase, winding the winding wire to the second phase wiring pin after the first tooth of the second phase is wound, and drawing the winding wire end to the third phase wiring pin for winding;
winding a third phase of the winding from the first tooth of the third phase winding, and after the last tooth of the third phase is wound, pulling a winding wire head of the third phase to a common point wiring needle through a wire passing groove for winding;
and shearing the tail of the third phase winding on the common point wiring needle, and simultaneously shearing redundant winding between the second phase wiring needle and the third phase wiring needle.
2. A winding method of a three-phase motor winding according to claim 1, wherein the winding is performed for each phase of the winding in a direction from the a end → the B end → the a end → the B end of the core assembly; or winding is performed for each phase of the winding in a direction from the B end → a end → B end → a end of the core assembly.
3. A winding method for a three-phase motor winding according to claim 1 or 2, wherein the winding is in a 12-slot 10-pole structure, and the core assembly is in a 12-tooth chain structure.
4. A winding method of a three-phase motor winding according to claim 3, wherein the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, V, V, W, W, U, U, V, V, W, W, U, and the U-phase terminal pin is located at the 1 st tooth, the V-phase terminal pin is located at the 2 nd tooth, the W-phase terminal pin is located at the 3 rd tooth, and the common point terminal pin is located at the 11 th tooth.
5. The winding method of a three-phase motor winding according to claim 4, wherein the three-phase winding is continuously wound in the following phase order: u → W → V, the three-phase winding is wound in the following order of tooth positions: 1 → 6 → 7 → 12 → 11 → 10 → 5 → 4 → 2 → 3 → 8 → 9, and the winding method comprises the steps of:
winding a winding wire end on a U-phase wiring needle of a 1 st tooth, winding the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core component, and after finishing winding the U-phase winding of a 12 th tooth, pulling the winding wire end to a 11 th tooth through a wire slot to enter and wind the winding wire end on a common point wiring needle;
winding the W phase from the 11 th tooth to the A end of the iron core assembly, winding the winding on the W phase wiring pin of the 3 rd tooth after winding the W phase winding of the 4 th tooth, pulling the winding wire end to the 2 nd tooth, and winding the winding on the V phase wiring pin of the 2 nd tooth;
winding the V-phase from the 2 nd tooth to the B end of the iron core assembly, after winding the V-phase winding of the 9 th tooth, pulling the winding wire end to the 11 th tooth through the wire groove, entering and winding the winding wire end on the common point wiring needle;
and (3) cutting off the tail of the V-phase winding on the common point wiring needle, and simultaneously cutting off redundant winding between the V-phase wiring needle on the 2 nd tooth and the W-phase wiring needle on the 3 rd tooth.
6. A winding method of a three-phase motor winding according to claim 3, wherein the distribution of 12 teeth of the winding from the a end to the B end on the core assembly is U, U, V, V, W, W, U, U, V, V, W, W, and the U-phase terminal pin is located at the 2 nd tooth, the V-phase terminal pin is located at the 3 rd tooth, the W-phase terminal pin is located at the 4 th tooth, and the common point terminal pin is located at the 10 th tooth.
7. The winding method of a three-phase motor winding according to claim 6, wherein the three-phase winding is continuously wound in the following phase order: u → V → W, the three-phase winding is wound in the following order of tooth positions: 1 → 2 → 7 → 8 → 10 → 9 → 4 → 3 → 5 → 6 → 11 → 12, and the winding method comprises the steps of:
winding the winding wire end on the U-phase wiring needle of the 2 nd tooth, wherein the winding wire enters from the 2 nd tooth, then the winding wire is wound on the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core component, and after the U-phase winding of the 8 th tooth is wound, the winding wire end is pulled to the 10 th tooth through the wire passing groove to enter and be wound on the common point wiring needle;
winding a V-phase from the 10 th tooth to the A end of the iron core assembly, winding the winding on the V-phase wiring pin of the 3 rd tooth after winding the V-phase winding of the 3 rd tooth, pulling the winding to the 4 th tooth, and winding the winding on the W-phase wiring pin of the 4 th tooth;
winding the W phase from the 5 th tooth to the B end of the iron core assembly, and after winding the W phase winding of the 12 th tooth, pulling the winding wire end to the 10 th tooth through the wire passing groove to enter and wind the winding wire end on the common point wiring needle;
and (3) cutting off the tail of the W-phase winding on the common point wiring needle, and simultaneously cutting off redundant winding between the V-phase wiring needle on the 3 rd tooth and the W-phase wiring needle on the 4 th tooth.
8. The winding method of a three-phase motor winding according to claim 6, wherein the three-phase winding is continuously wound in the following phase order: u → W → V, the three-phase winding is wound in the following order of tooth positions: 1 → 2 → 7 → 8 → 12 → 11 → 6 → 5 → 3 → 4 → 9 → 10, and the winding method comprises the steps of:
winding the winding wire end on the U-phase wiring needle of the 2 nd tooth, wherein the winding wire enters from the 2 nd tooth, then the winding wire is wound on the U-phase of the winding from the 1 st tooth along the direction from the A end to the B end of the iron core component, and after the U-phase winding of the 8 th tooth is wound, the winding wire end is pulled to the 10 th tooth through the wire passing groove to enter and be wound on the common point wiring needle;
pulling a winding wire to a 12 th tooth through a wire slot, starting winding the W phase from the 12 th tooth and starting winding the W phase in the direction of the A end of the iron core assembly, winding the winding wire to a W phase wiring pin of a 4 th tooth and pulling the winding wire to a 3 rd tooth after winding the W phase winding of the 5 th tooth, and winding the winding wire to a V phase wiring pin of the 3 rd tooth;
winding the V-phase from the 3 rd tooth to the B end of the iron core assembly, and winding the winding end to the common point wiring needle of the 10 th tooth after winding the V-phase winding of the 10 th tooth;
and (3) cutting off the tail of the V-phase winding on the common point wiring needle, and simultaneously cutting off redundant winding between the V-phase wiring needle on the 3 rd tooth and the W-phase wiring needle on the 4 th tooth.
9. An electric motor comprising a stator and a rotor, wherein a winding structure of the stator is wound by the winding method according to any one of claims 1 to 8.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201712A (en) * | 2010-03-22 | 2011-09-28 | 珠海格力电器股份有限公司 | Motor and coil manufacturing method thereof |
| CN104852490A (en) * | 2015-05-28 | 2015-08-19 | 谢东桥 | Internal-winding stator structure and production method thereof |
| CN109274229A (en) * | 2017-07-18 | 2019-01-25 | 王文亮 | Method for preventing enameled wire between contact pin on stator insulator seat and winding groove of stator insulator seat from being broken |
| CN109904964A (en) * | 2019-04-19 | 2019-06-18 | 中山大洋电机股份有限公司 | A kind of stator module and its method for winding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102010052647A1 (en) * | 2010-11-29 | 2012-05-31 | Continental Automotive Gmbh | Stator for a three-phase electric motor |
| JP2015159629A (en) * | 2014-02-21 | 2015-09-03 | 株式会社日本自動車部品総合研究所 | Rotary electric machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201712A (en) * | 2010-03-22 | 2011-09-28 | 珠海格力电器股份有限公司 | Motor and coil manufacturing method thereof |
| CN104852490A (en) * | 2015-05-28 | 2015-08-19 | 谢东桥 | Internal-winding stator structure and production method thereof |
| CN109274229A (en) * | 2017-07-18 | 2019-01-25 | 王文亮 | Method for preventing enameled wire between contact pin on stator insulator seat and winding groove of stator insulator seat from being broken |
| CN109904964A (en) * | 2019-04-19 | 2019-06-18 | 中山大洋电机股份有限公司 | A kind of stator module and its method for winding |
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