CN114421663B - Motor rotor, motor and equipment - Google Patents

Motor rotor, motor and equipment Download PDF

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Publication number
CN114421663B
CN114421663B CN202111356746.2A CN202111356746A CN114421663B CN 114421663 B CN114421663 B CN 114421663B CN 202111356746 A CN202111356746 A CN 202111356746A CN 114421663 B CN114421663 B CN 114421663B
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CN
China
Prior art keywords
rotor
winding
double
layer
motor
Prior art date
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Application number
CN202111356746.2A
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Chinese (zh)
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CN114421663A (en
Inventor
王文良
魏现东
韦福东
王建辉
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.)
Shanghai Electrical Apparatus Research Institute Group Co Ltd
Shanghai Motor System Energy Saving Engineering Technology Research Center Co Ltd
Original Assignee
Shanghai Electrical Apparatus Research Institute Group Co Ltd
Shanghai Motor System Energy Saving Engineering Technology Research Center Co Ltd
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Application filed by Shanghai Electrical Apparatus Research Institute Group Co Ltd, Shanghai Motor System Energy Saving Engineering Technology Research Center Co Ltd filed Critical Shanghai Electrical Apparatus Research Institute Group Co Ltd
Priority to CN202111356746.2A priority Critical patent/CN114421663B/en
Publication of CN114421663A publication Critical patent/CN114421663A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/26Rotor cores with slots for windings
    • H02K1/265Shape, form or location of the slots
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28Layout of windings or of connections between windings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/34Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/34Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/48Fastening of windings on the stator or rotor structure in slots
    • H02K3/487Slot-closing devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/50Fastening of winding heads, equalising connectors, or connections thereto
    • H02K3/51Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only

Abstract

The embodiment of the application provides a motor rotor, motor and equipment, this motor rotor includes pivot, rotor core, and rotor core overlaps in the pivot, and above-mentioned motor rotor still includes: the concentric winding and the double-layer lap winding are sequentially embedded in a rotor groove of the rotor core from bottom to top and are used for fixing the upper layer edge of the double-layer lap winding on the slot wedge on the rotor core; an interlayer insulating material is filled between the concentric winding and the lower layer side of the double-layer lap winding, an interlayer insulating material is filled between the upper layer side and the lower layer side, a coil starting head of the concentric winding is welded with a coil end head of the double-layer lap winding, and the coil end head of the concentric winding is welded with the coil starting head of the double-layer lap winding to form a closed loop winding. This application is at rotor inslot total three-layer winding, including double-deck lap winding and concentric winding, this structure is convenient for rotor rule, fixed and wiring, makes rotor structure more firm simultaneously, is applicable to the great high-power high-voltage motor of rotor diameter, rotational speed height, centrifugal force.

Description

Motor rotor, motor and equipment
Technical Field
The invention relates to the technical field of motors, in particular to a motor rotor, a motor and equipment.
Background
The existing wound brushless doubly-fed motor rotor in the industry is made of loose windings, the windings are mainly of double-layer lap winding, double-layer lap winding and single-layer lap winding or concentric winding structures, and the loose windings are softer and have unfixed shapes, so that the motor rotor can only be applied to small and medium-sized motors.
When applied to a medium-sized and large-sized motor, the insulation structure of the discrete winding cannot meet the requirement due to higher rotor voltage, and the formed rotor winding is needed. However, the double-layer lap winding, double-layer lap winding and single-layer lap winding or concentric winding structure used at present cannot form a formed winding due to the characteristics that the number of turns of the formed winding is not easy to control and the end part cannot be shaped randomly.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a motor rotor, a motor, and a motor apparatus, which can form a molded winding, and which can be effectively applied to a medium-sized and large-sized motor.
In a first aspect, an embodiment of the present invention provides a motor rotor, where the motor rotor includes a rotating shaft, a rotor core, and the rotor core is sleeved on the rotating shaft, where the motor rotor further includes: the concentric winding and the double-layer lap winding are sequentially embedded in a rotor groove of the rotor core from bottom to top and are used for fixing the upper layer edge of the double-layer lap winding on the slot wedge on the rotor core; an interlayer insulating material is filled between the concentric winding and the lower layer side of the double-layer lap winding, an interlayer insulating material is filled between the upper layer side and the lower layer side, a coil starting head of the concentric winding is welded with a coil end head of the double-layer lap winding, and the coil end head of the concentric winding is welded with the coil starting head of the double-layer lap winding to form a closed loop winding.
The rotor groove is an open groove.
The motor rotor also comprises a slot insulator, wherein the slot insulator is adhered to the inside of the slot body of the rotor slot and is used for insulating and separating the rotor slot from the concentric winding and the double-layer lap winding.
The motor rotor also comprises a rotor pressing ring on the rotor core and a coil supporting ring welded on the rotor pressing ring; the end parts of the concentric windings are tightly attached to the coil supporting rings and are bound and fixed.
The rotor pressing ring is connected with an iron core pressing plate of the rotor iron core, the coil supporting ring is a steel cylinder, and the surface of the coil supporting ring is covered with an insulating layer for separating the concentric winding from the coil supporting ring.
The end of the upper layer edge is welded with the end of the lower layer edge through a butt joint sleeve, and the end of the upper layer edge is fixed by a fixing belt.
The fixing belt is a weft-free belt.
The empty part in the rotor groove is filled with insulating materials.
In a second aspect, an embodiment of the present invention further provides an electric motor, where the electric motor includes the electric motor rotor described above.
In a third aspect, an embodiment of the present invention further provides an apparatus, where the apparatus includes the motor described above.
The embodiment of the invention has the following beneficial effects:
the embodiment of the application provides a motor rotor, motor and equipment, wherein, this motor rotor includes pivot, rotor core, and rotor core overlaps in the pivot, and above-mentioned motor rotor still includes: the concentric winding and the double-layer lap winding are sequentially embedded in a rotor groove of the rotor core from bottom to top and are used for fixing the upper layer edge of the double-layer lap winding on the slot wedge on the rotor core; an interlayer insulating material is filled between the concentric winding and the lower layer side of the double-layer lap winding, an interlayer insulating material is filled between the upper layer side and the lower layer side, a coil starting head of the concentric winding is welded with a coil end head of the double-layer lap winding, and the coil end head of the concentric winding is welded with the coil starting head of the double-layer lap winding to form a closed loop winding. This application is at rotor inslot total three-layer winding, including double-deck lap winding and concentric winding, this structure is convenient for rotor rule, fixed and wiring, makes rotor structure more firm simultaneously, is applicable to the great high-power high-voltage motor of rotor diameter, rotational speed height, centrifugal force.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a cross section of a rotor slot according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a concentric winding according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a double-layer lap winding according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a cross section of another rotor slot provided in an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a winding end according to an embodiment of the present invention.
Icon:
100-rotor slots; 101-concentric windings; 102-double lap winding; 103-upper layer edge; 104-slot wedge; 105-lower layer edge; 106-an interlayer insulating material; 1-starting a coil; 2-coil ends; 300-insulating material; 400-slot insulation; 500-rotor core; 501-rotor pressing ring; 502-coil support ring; 503-iron core pressing plate; 504 an insulating layer; 505-union sleeve; 506-fixing band.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Considering the existing double-layer lap winding, double-layer lap winding and single-layer lap winding or concentric winding structure, the formed winding cannot be formed due to the characteristics that the number of turns of the formed winding is not easy to control and the end part cannot be shaped randomly; based on the above, the embodiment of the invention provides a motor rotor, a motor and a motor device, wherein three layers of windings are shared in a rotor groove, and the three layers of windings comprise double-layer lap windings and concentric windings.
The present embodiment provides a motor rotor, wherein, referring to a schematic diagram of a cross section of a rotor groove shown in fig. 1, as shown in fig. 1, the motor rotor includes a rotating shaft (not shown in fig. 1), a rotor core, and the rotor core (not shown in fig. 1) is sleeved on the rotating shaft, wherein, the motor rotor further includes: concentric windings 101 and double-layer lap windings 102 embedded in the rotor slots 100 of the rotor core in sequence from bottom to top, slot wedges 104 for fixing the upper layer edges 103 of the double-layer lap windings 102 on the rotor core; an interlayer insulating material 106 is filled between the concentric winding 101 and the lower layer side 105 of the double-layer lap winding, an interlayer insulating material 106 is filled between the upper layer side 103 and the lower layer side 105, and a coil starting head of the concentric winding is welded with a coil end head of the double-layer lap winding, and the coil end head of the concentric winding is welded with the coil starting head of the double-layer lap winding to form a closed loop winding.
When the coil inserting of the concentric winding is completed, the double-layer lap winding is embedded after an interlayer insulating material is filled on the concentric winding, normally, one end of the double-layer lap winding is formed on a press, the other end of the double-layer lap winding is kept in a straight line state so that the winding is inserted into a rotor groove from the axial direction, the interlayer insulating material is filled between the upper layer and the lower layer of the double-layer lap winding, then the upper layer edge of the double-layer lap winding is inserted, and finally a slot wedge is inserted to fix the winding; the material of the interlayer insulating material may be selected according to the implementation requirements, and is not limited herein.
For ease of understanding, fig. 2 shows a schematic structure of a concentric winding, as shown in fig. 2, a formed concentric winding 101 may be reserved with a coil start 1 and a coil end 2, fig. 3 shows a schematic structure of a double-layered lap winding, as shown in fig. 3, a formed double-layered lap winding 102 may be reserved with a coil start 1 and a coil end 2, and a portion of the double-layered lap winding 102 connected is welded with a wrapping insulating material 300.
In practical use, the coil start 1 of the concentric winding 101 is welded with the coil end 2 of the double-layer lap winding 102, the coil end 2 of the concentric winding 101 is welded with the coil start 1 of the double-layer lap winding 102, and an insulating layer is wrapped at the welding position, and the concentric winding and the double-layer lap winding are connected through welding to form a closed loop winding so as to generate rotor current.
When the motor is particularly used, the whole motor rotor is provided with corresponding coil groups according to the pole pair number of the motor, and the winding can realize the adjustment of the number of turns in the rotor slot by adjusting the pitch and the relative position of the concentric winding and the double-layer lap winding.
The embodiment of the application provides a motor rotor, wherein, this motor rotor includes pivot, rotor core, and rotor core overlaps in the pivot, and above-mentioned motor rotor still includes: the concentric winding and the double-layer lap winding are sequentially embedded in a rotor groove of the rotor core from bottom to top and are used for fixing the upper layer edge of the double-layer lap winding on the slot wedge on the rotor core; an interlayer insulating material is filled between the concentric winding and the lower layer side of the double-layer lap winding, an interlayer insulating material is filled between the upper layer side and the lower layer side, a coil starting head of the concentric winding is welded with a coil end head of the double-layer lap winding, and the coil end head of the concentric winding is welded with the coil starting head of the double-layer lap winding to form a closed loop winding. This application is at rotor inslot total three-layer winding, including double-deck lap winding and concentric winding, this structure is convenient for rotor rule, fixed and wiring, makes rotor structure more firm simultaneously, is applicable to the great high-power high-voltage motor of rotor diameter, rotational speed height, centrifugal force.
In practical use, in order to facilitate embedding of the concentric windings and the double-layer lap windings into the rotor slots, the rotor slots are open slots, in this embodiment, the open slots may be half open slots, and in particular use, the opening size of the open slots may be set according to practical needs, which is not limited herein.
On the basis of fig. 1, fig. 4 shows a schematic view of another cross section of a rotor slot, and as shown in fig. 4, a slot insulator 400 is adhered inside the slot body of the rotor slot, and the slot insulator 400 is mainly used for insulating the rotor slot 100 from the concentric winding 101 and the double-layer lap winding 102.
Specifically, slot insulation is a solid that serves to isolate different electrical conductors. In this embodiment, insulating paper may be used as slot insulation, and during practical use, mica powder and mica products, glass fiber and products thereof, electroceramics, alumina film, cotton cloth, silk and other materials may be used as slot insulation, without limiting the slot insulation.
For convenience of description of the structure of the above-mentioned motor rotor, fig. 5 shows a schematic cross-sectional view of a winding head, and the cross-section shown in fig. 5 is understood to be half-sectioned along the diameter direction of a rotating shaft, and as shown in fig. 5, the above-mentioned motor rotor further includes a rotor pressing ring 501 on a rotor core 500, and a coil supporting ring 502 welded on the rotor pressing ring 501; the ends of the concentric windings 101 are abutted against the coil support rings 502 and secured in a binding manner.
As shown in fig. 5, the rotor pressing ring 501 is connected to a core pressing plate 503 of the rotor core 500, the coil support ring 502 is typically a steel cylinder, and the surface of the coil support ring 502 is covered with an insulating layer 504 for separating the concentric winding 101 from the coil support ring 502. The insulating material of the insulating layer 504 may be set according to actual needs, and is not limited herein.
As shown in fig. 5, the end of the upper layer edge 103 and the end of the lower layer edge 105 are welded by a union 505, and the end of the upper layer edge 103 is fixed by a fixing strap 506.
In particular, since one end of the double-layered lap winding is formed into a formed end and the other end is not formed into a straight end, in this embodiment, the end of the upper layer edge 103 and the end of the lower layer edge 105 of the double-layered lap winding formed end are welded, and the straight end is manually bent to align with the upper layer and the lower layer and then welded, and the insulating material 300 shown in fig. 3 is wrapped after the welding position is welded.
The fixing band is a weft-free band, and the end of the upper layer edge 103 is bound to a sufficient thickness by using the weft-free band in actual use. The thickness should be set as desired.
In general, after the rotor winding is arranged, a part of rotor slots with fewer turns can generate a part of empty space, and the empty space can be filled with insulating materials.
The embodiment of the invention also provides a motor, wherein the motor comprises the motor rotor. The embodiment of the invention also provides equipment, wherein the equipment comprises household equipment and/or industrial equipment provided with the motor.
In particular, the household and/or industrial equipment includes, but is not limited to, one or more of an air conditioner provided with a motor, an electric vehicle, an unmanned aerial vehicle, an automobile, a ship or a propeller.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the motor and the apparatus described above may refer to the corresponding process in the foregoing motor rotor embodiment, which is not described herein again.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood by those skilled in the art in specific cases.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention for illustrating the technical solution of the present invention, but not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present invention is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (9)

1. Motor rotor, motor rotor includes pivot, rotor core cover is in on the pivot, its characterized in that, motor rotor still includes: the concentric winding and the double-layer lap winding are sequentially embedded in a rotor groove of the rotor core from bottom to top and are used for fixing the upper layer edge of the double-layer lap winding on the slot wedge on the rotor core;
an interlayer insulating material is filled between the concentric winding and the lower layer side of the double-layer lap winding, the interlayer insulating material is filled between the upper layer side and the lower layer side, a coil starting head of the concentric winding is welded with a coil end head of the double-layer lap winding, and the coil end head of the concentric winding is welded with the coil starting head of the double-layer lap winding to form a closed loop winding;
the end part of the upper layer edge is welded with the end part of the lower layer edge through a butt joint sleeve, and the end part of the upper layer edge is fixed by a fixing belt;
one end of the double-layer lap winding is a molded end, the other end of the double-layer lap winding is an unshaped straight line end, the end part of the upper layer side of the molded end is welded with the end part of the lower layer side, and insulating materials are wrapped; and after being bent, the linear end is aligned and welded with the upper layer edge and the lower layer edge, and the insulating material is wrapped.
2. The electric machine rotor of claim 1, wherein the rotor slots are open slots.
3. The electric machine rotor of claim 1, further comprising slot insulation adhered to the inside of the rotor slot body for insulating the rotor slot from the concentric windings, the double lap winding.
4. The motor rotor of claim 1, further comprising a rotor clamping ring on the rotor core, and a coil support ring welded to the rotor clamping ring;
the end parts of the concentric windings are tightly attached to the coil supporting ring and are bound and fixed.
5. The motor rotor of claim 4, wherein the rotor pressing ring is connected to a core pressing plate of the rotor core, the coil support ring is a steel cylinder, and a surface of the coil support ring is covered with an insulating layer for separating the concentric winding from the coil support ring.
6. The motor rotor of claim 1, wherein the securing strap is a laid strap.
7. The motor rotor of claim 1, wherein the empty portion of the rotor slot is filled with an insulating material.
8. An electric machine, characterized in that it comprises an electric machine rotor according to any one of claims 1-7.
9. An apparatus comprising the motor of claim 8.
CN202111356746.2A 2021-11-16 2021-11-16 Motor rotor, motor and equipment Active CN114421663B (en)

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Application Number Priority Date Filing Date Title
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CN114421663B true CN114421663B (en) 2024-01-09

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09121491A (en) * 1995-08-18 1997-05-06 Toshiba Corp Armature winding of rotating electric machine and its manufacturing method
JPH1198743A (en) * 1997-09-19 1999-04-09 Fuji Electric Co Ltd Armature winding, and its insertion method into groove of iron core
CN2424574Y (en) * 2000-05-19 2001-03-21 李明玉 Electronic speed governing gear decelerating single phase asynchronous micro-dynamo
CN102035318A (en) * 2010-12-31 2011-04-27 兰州兰电电机有限公司 Method for manufacturing embedded rotor winding
CN202374077U (en) * 2011-12-27 2012-08-08 曹洪俊 Three-phase double-layer laminated multi-concentric-type motor winding
CN102801266A (en) * 2012-08-27 2012-11-28 华中科技大学 Brushless double-fed motor wound rotor winding and manufacturing method thereof
CN103633798A (en) * 2013-12-17 2014-03-12 江苏大中电机股份有限公司 Wire inserting process for odd-or-even concentric unequal-turn stator windings
CN204721191U (en) * 2015-05-15 2015-10-21 中国长江航运集团电机厂 A kind of more piece is apart from hard wound rotor brushless dual-feed motor and more piece apart from hard wound rotor
CN105958761A (en) * 2016-05-30 2016-09-21 上海电机系统节能工程技术研究中心有限公司 Double-layer concentric unequal-turn winding design calculation method
CN106160371A (en) * 2016-07-12 2016-11-23 中车株洲电机有限公司 A kind of motor stator entirety rule forming method
CN207490632U (en) * 2017-11-23 2018-06-12 天津同羽嘉禾节能科技有限公司 A kind of Wound rotor brushless double fed motor rotor structure
CN207782530U (en) * 2018-01-25 2018-08-28 博远机电(嘉兴)有限公司 Super high speed motor
CN108494200A (en) * 2018-05-21 2018-09-04 广东上水能源科技有限公司 A kind of brushless dual-feed motor wound rotor and its manufacture craft
CN207977802U (en) * 2018-01-17 2018-10-16 山东开元电机有限公司 Double folding quasi sine winding construction
CN109617284A (en) * 2019-01-25 2019-04-12 上海电力学院 A kind of multiple-Double Layer Winding structure of alternating current generator
CN113113980A (en) * 2021-04-13 2021-07-13 刘晓艳 Motor slot-staggering split-phase combined stator winding and winding harmonic slot-staggering coefficient calculation method
CN113572292A (en) * 2021-06-16 2021-10-29 华北电力大学扬中智能电气研究中心 Design method of low-harmonic winding of alternating current motor stator
JPWO2021220940A1 (en) * 2020-04-28 2021-11-04

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107534329B (en) * 2015-05-19 2019-06-07 三菱电机株式会社 Rotating electric machine

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09121491A (en) * 1995-08-18 1997-05-06 Toshiba Corp Armature winding of rotating electric machine and its manufacturing method
JPH1198743A (en) * 1997-09-19 1999-04-09 Fuji Electric Co Ltd Armature winding, and its insertion method into groove of iron core
CN2424574Y (en) * 2000-05-19 2001-03-21 李明玉 Electronic speed governing gear decelerating single phase asynchronous micro-dynamo
CN102035318A (en) * 2010-12-31 2011-04-27 兰州兰电电机有限公司 Method for manufacturing embedded rotor winding
CN202374077U (en) * 2011-12-27 2012-08-08 曹洪俊 Three-phase double-layer laminated multi-concentric-type motor winding
CN102801266A (en) * 2012-08-27 2012-11-28 华中科技大学 Brushless double-fed motor wound rotor winding and manufacturing method thereof
CN103633798A (en) * 2013-12-17 2014-03-12 江苏大中电机股份有限公司 Wire inserting process for odd-or-even concentric unequal-turn stator windings
CN204721191U (en) * 2015-05-15 2015-10-21 中国长江航运集团电机厂 A kind of more piece is apart from hard wound rotor brushless dual-feed motor and more piece apart from hard wound rotor
CN105958761A (en) * 2016-05-30 2016-09-21 上海电机系统节能工程技术研究中心有限公司 Double-layer concentric unequal-turn winding design calculation method
CN106160371A (en) * 2016-07-12 2016-11-23 中车株洲电机有限公司 A kind of motor stator entirety rule forming method
CN207490632U (en) * 2017-11-23 2018-06-12 天津同羽嘉禾节能科技有限公司 A kind of Wound rotor brushless double fed motor rotor structure
CN207977802U (en) * 2018-01-17 2018-10-16 山东开元电机有限公司 Double folding quasi sine winding construction
CN207782530U (en) * 2018-01-25 2018-08-28 博远机电(嘉兴)有限公司 Super high speed motor
CN108494200A (en) * 2018-05-21 2018-09-04 广东上水能源科技有限公司 A kind of brushless dual-feed motor wound rotor and its manufacture craft
CN109617284A (en) * 2019-01-25 2019-04-12 上海电力学院 A kind of multiple-Double Layer Winding structure of alternating current generator
JPWO2021220940A1 (en) * 2020-04-28 2021-11-04
CN113113980A (en) * 2021-04-13 2021-07-13 刘晓艳 Motor slot-staggering split-phase combined stator winding and winding harmonic slot-staggering coefficient calculation method
CN113572292A (en) * 2021-06-16 2021-10-29 华北电力大学扬中智能电气研究中心 Design method of low-harmonic winding of alternating current motor stator

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