CN115425787A - Motor winding method and device, stator and motor - Google Patents

Motor winding method and device, stator and motor Download PDF

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Publication number
CN115425787A
CN115425787A CN202210886781.3A CN202210886781A CN115425787A CN 115425787 A CN115425787 A CN 115425787A CN 202210886781 A CN202210886781 A CN 202210886781A CN 115425787 A CN115425787 A CN 115425787A
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CN
China
Prior art keywords
winding
motor
layer
slots
wound
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210886781.3A
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Chinese (zh)
Inventor
戴正文
喻皓
王配
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAC Aion New Energy Automobile Co Ltd
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GAC Aion New Energy Automobile Co Ltd
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Publication date
Application filed by GAC Aion New Energy Automobile Co Ltd filed Critical GAC Aion New Energy Automobile Co Ltd
Priority to CN202210886781.3A priority Critical patent/CN115425787A/en
Publication of CN115425787A publication Critical patent/CN115425787A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The embodiment of the application provides a winding method and device for a motor winding, a stator and a motor, wherein the method comprises the following steps: alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all winding slots according to the polar distance of the motor until the winding is wound at all even layers of the winding slots, wherein N is an odd number; and winding the winding on the winding slot in odd layers without winding the winding. By implementing the embodiment, the motor can be compatible with different power torque requirements, the equipment investment utilization rate of a flat wire production line is improved, and support is provided for large-scale flexible production.

Description

Motor winding method and device, stator and motor
Technical Field
The application relates to the technical field of electric automobiles, in particular to a motor winding method, a motor winding device, a stator and a motor.
Background
With the development of electric automobile technology, the flat wire generator-card motor has high efficiency, high power density and wide application. The number of parallel winding of the hairpin motor is 1, and the number of parallel winding of the hairpin motor is single, so that the number of turns and the number of the parallel winding of the hairpin motor cannot perfectly match the power torque requirement of the conventional motor.
Disclosure of Invention
The embodiment of the application aims to provide a motor winding method, a motor winding device, a stator and a motor, which can enable the motor to be compatible with torque requirements of different powers, improve the equipment investment utilization rate of a flat wire production line, and provide support for large-scale flexible production.
In a first aspect, an embodiment of the present application provides a winding method for a motor winding, including:
alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all winding slots according to the pole pitch of the motor until the winding is wound at all even layers of the winding slots, wherein N is an odd number;
and winding the winding on the winding slot in odd layers without winding the winding.
In the implementation process, the motor can realize different parallel winding numbers of the motor, so that different numbers of turns of the motor are realized in series connection, the motor can be compatible with different power torque requirements, different platform electric drive performance requirements are covered, the equipment investment utilization rate of a flat wire production line is improved, and support is provided for large-scale flexible production.
Further, the step of winding the winding in the winding slot with an odd number of layers of the winding not yet wound includes:
and winding the winding flat layer in the winding slots in an odd layer without winding the winding according to the pole pitch of the motor.
In the implementation process, odd-layer jumper wire twisting heads are consistent, and production is facilitated.
Furthermore, the outlet end of the winding is at the card sending end.
In the implementation process, the wire outlet is convenient in the winding process of the winding, and the production is convenient.
Furthermore, the outgoing line of the winding is in a single I-shaped hairpin shape, and is different from a hairpin-shaped U-shaped hairpin, so that the outgoing line of the motor can be facilitated.
In the implementation process, the outgoing line of the winding is single, a hairpin shape is not formed, and the wiring among the parallel circuits, such as 5-layer 2 branches and 5-layer 1 branches, can be conveniently realized through different busbar link schemes.
Further, the motor is a 5-layer 48-slot motor.
In a second aspect, an embodiment of the present application provides a winding device for a motor winding, including:
the first winding module is used for alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all winding slots according to the polar distance of the motor until the winding is wound at all even layers of the winding slots, wherein N is an odd number;
and the second winding module is used for winding the winding on the odd layers of the winding which are not wound in the winding slots.
In the implementation process, the motor can be compatible with different power torque requirements, the investment utilization rate of flat wire production line equipment is improved, and support is provided for large-scale flexible production.
Further, the second winding module is also used for winding the winding flat layer in the odd layers of the winding slots, which are not wound with the winding, according to the pole pitch of the motor.
In the implementation process, odd-layer jumper wire twisting heads are consistent, and production is facilitated.
Further, the first winding module and the second winding module are also used for enabling the wire outlet end of the winding to be at the hair pin end.
In the implementation process, the wire outlet is convenient in the winding process of the winding, and the production is convenient.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the above-described technology disclosed herein.
In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 (a) is a partially wound circuit diagram of a single-phase winding of a motor provided by an embodiment of the present application;
fig. 1 (b) is a partially wound circuit diagram of a single-phase winding of a motor provided by an embodiment of the present application;
fig. 1 (c) is a partially wound circuit diagram of a single-phase winding of a motor provided by an embodiment of the present application;
fig. 1 (d) is a partially wound circuit diagram of a single-phase winding of a motor provided by an embodiment of the present application;
fig. 2 (a) is a partially wound circuit diagram of a three-phase winding of a motor provided by an embodiment of the present application;
fig. 2 (b) is a partially wound circuit diagram of a three-phase winding of a motor provided by an embodiment of the present application;
fig. 2 (c) is a partially wound circuit diagram of a three-phase winding of a motor provided in an embodiment of the present application;
fig. 2 (d) is a partially wound circuit diagram of a three-phase winding of a motor according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a winding device for a motor winding according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example 1
The embodiment of the application provides a winding method for a motor winding, in particular to a card-generating motor, which comprises the following steps:
alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all winding slots according to the pole pitch of the motor until the winding is wound at all even layers of the winding slots, wherein N is an odd number;
and winding the winding on the winding slot in odd layers without winding the winding.
Exemplarily, referring to fig. 1 (a), 1 (b), 1 (c), 1 (d), 2 (a), 2 (b), 2 (c), 2 (d), and 3, a 5-layer 48-slot motor is taken as an example, a pole pitch 6 is taken as an example, and in No. 1 slot and No. 48 slot, a flat copper wire is wound from N to N in one turn 1,1 Jump to N 7,2 Then from N 7,2 Jump to N 12,1 From N 12,1 Jump to N 18,2 From N to N 18,2 Jump to N 24,1 From N 24,1 Jump to N 30,2 From N to N 30,2 Jump to N 37,1 From N 37,1 Jump to N 43,2 Finally jumping from the first layer and the second layer to the third layer and the fourth layer from N 43,2 Jump to N 1,3 From N 1,3 Jump to N 7,4。。。。。。 And jumping the whole even layer all the time, and finally, performing parallel layer jumping on the odd layer.
The motor is divided into three phases of U phase, V phase and W phase, each phase is provided with two branches U1 and U2,
u1+ represents that the U-phase first branch current flows in, and U1-represents that the U-phase first branch current flows out.
It will be appreciated that the above method is applicable to the way in which the windings of each phase of a three-phase motor are wound.
It should be noted that the above embodiment is only a specific winding manner. Under the thought of the application, the method still belongs to the protection scope of the application by changing the winding sequence of the layer number.
In the implementation process, the motor can be compatible with different power torque requirements, the investment utilization rate of flat wire production line equipment is improved, and support is provided for large-scale flexible production.
In one possible embodiment, the step of winding the winding in the winding slots without winding an odd number of layers of the winding comprises:
and winding the winding flat layer in the winding slots in an odd layer without winding the winding according to the pole pitch of the motor.
Exemplarily, referring to fig. 1 (a), 1 (b), 1 (c), 1 (d), 2 (a), 2 (b), 2 (c), 2 (d), 3, taking a 5-layer 48-slot motor as an example, a pole pitch 6, in No. 1 slot and No. 48 slot, a flat copper wire is wound from N in one turn 1,1 Jump to N 7,2 Then from N 7,2 Jump to N 12,1 From N 12,1 Jump to N 18,2 From N 18,2 Jump to N 24,1 From N 24,1 Jump to N 30,2 From N 30,2 Jump to N 37,1 From N 37,1 Jump to N 43,2 Finally jumping from the first layer and the second layer to the third layer and the fourth layer from N 43,2 Jump to N 1,3 From N to N 1,3 Jump to N 7,4。。。。。。 And jumping the whole even layer all the time, and finally, performing parallel layer jumping on the odd layer. That is, the winding does not jump from the winding slot of the fifth layer to other layers and then back to the fifth layer during the winding process of the fifth layer.
In the implementation process, odd-layer jumper wire twisting heads are consistent, and production is facilitated.
In one possible embodiment, the outlet end of the winding is at the card-issuing end.
In the implementation process, in the winding process of the winding, the winding is wound into the winding slot from one end of the motor, and is led out from the other end of the motor, and when the winding penetrates out of the winding slot from the hair-pin end of the motor, the outgoing line in the winding process is more convenient, and the production is convenient.
In one possible embodiment, the outgoing lines of the winding are single-root shaped.
In the implementation process, the outgoing line of the winding is a single line, so that a hairpin shape is not formed, and the wiring among the parallel circuits is convenient.
In the implementation process, the motor is a 5-layer 48-slot motor.
Example 2
Referring to fig. 3, an embodiment of the present application provides a winding device for a motor winding, including:
the first winding module 1 is used for alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all winding slots according to the pole pitch of the motor until the winding is wound at all even layers of the winding slots, wherein N is an odd number;
and the second winding module 2 is used for winding the winding on the odd layers of the winding which are not wound in the winding slots.
In the implementation process, the motor can be compatible with different power torque requirements, the investment utilization rate of flat wire production line equipment is improved, and support is provided for large-scale flexible production.
In a possible embodiment, the first winding module 1 and the second winding module 2 are further configured to wind the winding flat layer in odd layers of the winding slots, in which the winding is not yet wound, according to the pole pitch of the motor during the winding process.
In a possible embodiment, the first winding module 1 and the second winding module 2 are further used for enabling the outlet end of the winding to be at the hairpin end in the winding process of the winding. .
In a possible embodiment, the first winding module 1 and the second winding module 2 are further configured to make the outgoing line of the winding single in the winding process of the winding.
In one possible embodiment, the motor is a 5-layer 48 slot motor.
Example 3
The application also provides a stator, wherein winding slots are uniformly arranged on the stator iron core; a winding; the winding is wound on the winding slot by adopting the winding method of the motor winding described in embodiment 1.
Example 4
Referring to fig. 3, an embodiment of the present application further provides an electric machine including the stator of embodiment 3.
The above description is only for the specific embodiments of the present application, but the scope of the present application 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 application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. A winding method of a motor winding is characterized in that the winding is an odd number layer; the method comprises the following steps:
alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all winding slots according to the pole pitch of the motor until the winding is wound at all even layers of the winding slots, wherein N is an odd number;
and winding the winding in the winding slot without winding the odd layers of the winding.
2. A winding method for a motor winding as recited in claim 1, wherein said step of winding said winding in winding slots in odd layers to which said winding has not been wound includes:
and winding the winding flat layer in the winding slots in an odd layer without winding the winding according to the pole pitch of the motor.
3. A method of winding a wire for an electrical machine according to claim 2, wherein the outlet end of the winding is at the hairpin end.
4. The winding method of an electric machine according to claim 2, wherein the outgoing line of the winding is single-root-shaped.
5. The method of winding a motor winding of claim 1, wherein the motor is a 5-layer 48 slot motor.
6. A winding device for a motor winding, comprising:
the first winding module is used for alternately winding the winding at the positions of the Nth layer and the (N + 1) th layer of all the winding slots according to the polar distance of the motor until the winding is wound at all the even layers of the winding slots, wherein N is an odd number;
and the second winding module is used for winding the winding on the odd layers of the winding which are not wound in the winding slots.
7. A winding device for an electric machine according to claim 6, wherein said second winding module is further adapted to wind said flat layers of windings in odd number of layers of windings in winding slots not yet wound with said windings, according to a pole pitch of said electric machine.
8. The winding device of claim 6, wherein the first winding module and the second winding module are further configured to have the outlet end of the winding at a hairpin end.
9. A stator is characterized in that a stator core is uniformly provided with winding slots; a winding; the winding is wound on the winding slot by using the winding method of the motor winding according to any one of claims 1 to 5.
10. An electrical machine comprising a stator according to claim 9.
CN202210886781.3A 2022-07-26 2022-07-26 Motor winding method and device, stator and motor Pending CN115425787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210886781.3A CN115425787A (en) 2022-07-26 2022-07-26 Motor winding method and device, stator and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210886781.3A CN115425787A (en) 2022-07-26 2022-07-26 Motor winding method and device, stator and motor

Publications (1)

Publication Number Publication Date
CN115425787A true CN115425787A (en) 2022-12-02

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Application Number Title Priority Date Filing Date
CN202210886781.3A Pending CN115425787A (en) 2022-07-26 2022-07-26 Motor winding method and device, stator and motor

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116599307A (en) * 2023-05-12 2023-08-15 跃科智能制造(无锡)有限公司 Flat wire motor stator copper wire former

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116599307A (en) * 2023-05-12 2023-08-15 跃科智能制造(无锡)有限公司 Flat wire motor stator copper wire former
CN116599307B (en) * 2023-05-12 2024-02-09 跃科智能制造(无锡)有限公司 Flat wire motor stator copper wire former

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