WO2024259801A1 - Stator assembly of axial flux motor, and axial flux motor - Google Patents

Stator assembly of axial flux motor, and axial flux motor Download PDF

Info

Publication number
WO2024259801A1
WO2024259801A1 PCT/CN2023/113669 CN2023113669W WO2024259801A1 WO 2024259801 A1 WO2024259801 A1 WO 2024259801A1 CN 2023113669 W CN2023113669 W CN 2023113669W WO 2024259801 A1 WO2024259801 A1 WO 2024259801A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulating
slot
insulation
axial flux
flux motor
Prior art date
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.)
Ceased
Application number
PCT/CN2023/113669
Other languages
French (fr)
Chinese (zh)
Inventor
杨志标
李铭杰
李超
程静远
肖锐
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.)
Broad Ocean Motor Wuhan Research Institute Co Ltd
Original Assignee
Broad Ocean Motor Wuhan Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Broad Ocean Motor Wuhan Research Institute Co Ltd filed Critical Broad Ocean Motor Wuhan Research Institute Co Ltd
Publication of WO2024259801A1 publication Critical patent/WO2024259801A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345—Windings 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator cores with slots for windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator cores with slots for windings
    • H02K1/165—Shape, form or location of the slots
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/12—Transversal flux machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the invention belongs to a stator assembly of an axial flux motor and an axial flux motor.
  • Patent number: 202121854202.4 patent name: A utility model patent for a stator skeleton coil assembly of a disc motor. Its main content provides a stator skeleton coil assembly of a disc motor, including a skeleton and a coil.
  • the skeleton includes a tube body and a first rib. One end of the tube body extends outward along the periphery to form the first rib. Two limit platforms are provided on the first rib. The limit platform is located on the side of the first baffle away from the tube body.
  • the coil has two outlet heads. The coil is wound outside the tube body, and the two outlet heads are positioned on the limit platform. It can be produced using automated equipment to avoid the defects of short time and poor consistency caused by manual assembly, and the outlet head is positioned by the limit platform so that the outlet head can be subsequently welded and fixed to the circuit board.
  • the patented structure is only suitable for the stator core of an open slot axial flux motor.
  • the so-called open slot means that the slot of the wire embedding slot is completely open and unobstructed.
  • the patent number is 200980137807.7 and the patent name is a winding insulation device for an axial flux motor, which also adopts a similar insulation structure.
  • the structure is only applicable to the stator core of the open slot axial flux motor.
  • the insulating frame with the coil is inserted into the teeth of the stator core from the air gap side. If the tooth top is wider than the other parts of the tooth, it cannot be inserted, that is, it is not suitable for the slot of the wire embedding slot to adopt the closed slot structure;
  • the insulating frame with the coil is inserted into the stator core, it is not fixed in the axial direction.
  • the insulating frame may fall off or enter the air gap, affecting reliability;
  • the insulating skeleton frame does not provide protection or other treatment for the yoke, and the insulation and withstand voltage of the bridge wire at the yoke are not processed, resulting in many problems.
  • the insulation scheme of the wire embedding slot of the stator core of the axial flux motor adopts a closed slot structure, which usually adopts the method of placing slot paper in the wire embedding slot.
  • the process is complicated and the installation is troublesome. It is not suitable for the needs of automated production, and the creepage distance is difficult to guarantee, and the reliability is low.
  • the purpose of the present invention is to provide a stator assembly of an axial flux motor and an axial flux motor, which solves the problem that the slots of the wire embedding slots of the stator core of the axial flux motor in the prior art adopt a closed slot structure.
  • the insulation solution usually adopts the method of placing slot paper in the wire trough, which has complex process and troublesome installation, is not suitable for the needs of automated production, and has technical problems such as difficult to ensure creepage distance and low reliability.
  • the stator assembly of an axial flux motor includes a stator core and an insulating frame.
  • the stator core includes an annular yoke and a plurality of teeth protruding axially from the top surface of the annular yoke.
  • the plurality of teeth are evenly distributed along the circumferential interval, and a wire embedding groove is formed between two adjacent teeth.
  • the teeth and the wire embedding groove are arranged to extend radially.
  • the invention is characterized in that the insulating frame includes an inner ring frame and a plurality of slot insulation reference frames.
  • the slot insulation reference frame includes a slot insulation portion and an outer insulation baffle located outside the slot insulation portion.
  • the inner ring frame covers the inner side surface of the stator core.
  • a locking strip extends from the inner side of the slot insulation portion.
  • the locking strip is snapped into the inner ring frame so that the inner ring frame and the plurality of slot insulation reference frames are buckled together.
  • the outer insulation baffle covers the outer side surface of the annular yoke.
  • the above-mentioned inner ring skeleton includes an inner annular insulating ring and a plurality of inner tooth insulations protruding axially from the top surface of the inner annular insulating ring.
  • the plurality of inner tooth insulations are evenly distributed along the circumferential direction, and the inner annular insulating ring covers the inner side surface of the annular yoke; each inner tooth insulation covers the inner side surface of a tooth.
  • the outer insulating baffle covers the outer side surface of the annular yoke portion and the outer side surface of the tooth portion.
  • the slot insulation part includes an insulating bottom plate and side wall insulating plates located on both sides of the insulating bottom plate.
  • the top of the side wall insulating plate is inclined toward the slot opening and extends out of the top wall insulating plate.
  • Baffles for shielding the slot opening of the wire embedding slot extend out from both sides of the top of the tooth portion.
  • the insulating bottom plate and the side wall insulating plates cover the slot bottom wall and side wall of the wire embedding slot respectively, and the top wall insulating plate is against the bottom surface of the baffle.
  • the above-mentioned external insulating baffle includes an external tooth insulation located at the top and an external yoke insulation located at the bottom, the external tooth insulation covers the outer side surface of a tooth; the external yoke insulation covers the outer side surface of the annular yoke.
  • the outer yoke parts of the above-mentioned several slot insulation reference frames are insulated and connected to form a ring.
  • the top of the outer yoke insulation protrudes outward with a plurality of partition strips to facilitate wiring.
  • An axial flux motor comprises a stator assembly and a rotor assembly, the stator assembly and the rotor assembly Axial magnetic coupling is characterized in that the stator assembly is the above-mentioned axial flux motor stator assembly.
  • the present invention has the following advantages:
  • the reverse buckle device on the slot insulation reference frame can fix the inner ring frame, and the two are interlocked to ensure that the frame as a whole cannot move.
  • the process is simple, the installation is convenient, and it meets the needs of automated production.
  • the creepage distance is easy to ensure, and the reliability is greatly improved.
  • Effect 2 Increasing the radial length of the slot insulation reference frame can increase the voltage resistance level of the contact part, control the risk point, and improve reliability.
  • the slot insulation reference frame can also ensure that the bridge wire does not contact the core yoke, thereby improving the withstand voltage level.
  • the wire separation structure set in the yoke of the slot insulation reference frame can ensure the phase-to-phase voltage withstand level and improve the safety factor.
  • FIG1 is a perspective view of a first embodiment of the present invention
  • FIG2 is a three-dimensional view from another angle of the first embodiment of the present invention.
  • FIG3 is an exploded view of a state of the first embodiment of the present invention.
  • FIG4 is an exploded view of another state of the first embodiment of the present invention.
  • FIG5 is a perspective view of a stator core according to Embodiment 1 of the present invention.
  • FIG6 is a perspective view of a slot insulation reference frame at one angle according to the first embodiment of the present invention.
  • FIG7 is a three-dimensional view of the slot insulation reference frame of the first embodiment of the present invention from another angle;
  • FIG8 is a top view of the first embodiment of the present invention.
  • Fig. 9 is a cross-sectional view taken along line A-A of Fig. 8;
  • FIG10 is a front view of Embodiment 1 of the present invention.
  • Fig. 11 is a cross-sectional view taken along line B-B of Fig. 10;
  • FIG. 12 is a partial enlarged view of portion C of FIG. 11 .
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the present embodiment provides a stator assembly of an axial flux motor, comprising a stator core 1 and an insulating frame 2 (coil windings are not shown in the figures), the stator core 1 comprising an annular yoke 11 and a plurality of teeth 12 protruding axially from the top surface of the annular yoke 11, the plurality of teeth 12 being evenly spaced and distributed along the circumferential direction, a wire embedding groove 13 being formed between two adjacent teeth 12, the teeth 12 and the wire embedding groove 13 extending radially, characterized in that: the insulating frame 2 comprises an inner ring frame 21 and a plurality of block grooves
  • the insulating reference frame 22 includes a slot insulating portion 221 and an outer insulating baffle 222 located outside the slot insulating portion 221.
  • the inner ring frame 21 covers the inner side of the stator core 1.
  • a locking strip 223 extends from the inner side of the slot insulating portion 221.
  • the locking strip 223 snaps into the inner ring frame 21 so that the inner ring frame 21 and several slot insulating reference frames 22 are buckled together.
  • the outer insulating baffle 222 covers the outer side of the annular yoke 11.
  • the buckle device (i.e., the locking strip 223) on the slot insulating reference frame 22 can fix the inner ring frame 21, and the two are interlocked to ensure that the frame as a whole cannot move.
  • the process is simple, the installation is convenient, and it meets the needs of automated production.
  • the creepage distance is easy to ensure, and the reliability is greatly improved.
  • the above-mentioned inner ring skeleton 21 includes an inner annular insulating ring 211 and a plurality of inner tooth insulations 212 protruding axially from the top surface of the inner annular insulating ring 211.
  • the plurality of inner tooth insulations 212 are evenly distributed along the circumferential direction.
  • the inner annular insulating ring 211 covers the inner side surface 111 of the annular yoke 11; each inner tooth insulation 212 covers the inner side surface 121 of a tooth 12, with a simple structure and good insulation.
  • the outer insulating baffle 222 covers the outer side surface 112 of the annular yoke 11 and the outer side surface 122 of the tooth portion 12, and has good insulation and a simple structure.
  • the slot insulating part 221 includes an insulating bottom plate 221a and side wall insulating plates 221b located on both sides of the insulating bottom plate 221a.
  • the top of the side wall insulating plate 221b is inclined toward the notch 131 and extends out of the top wall insulating plate 221c.
  • the top sides of the tooth part 12 extend out of the baffles 123 for shielding the notch 131 of the wire embedding groove 13.
  • the insulating bottom plate 221a and the side wall insulating plates 221b cover the bottom wall and side wall of the wire embedding groove 13 respectively.
  • the top wall insulating plate 221c is against the bottom surface of the baffle 123.
  • the slot insulating part 221 is covered by the wire embedding groove 13 and cannot move axially.
  • the reverse buckle device on the slot insulating reference frame 22 can fix the inner ring frame 21, and the two are interlocked and cannot move radially.
  • the process is simple, the installation is convenient, and it meets the needs of automated production.
  • the creepage distance is easy to ensure, and the reliability is greatly improved. .
  • the above-mentioned external insulating baffle 222 includes an external tooth insulation 222a located at the top and an external yoke insulation 222b located at the bottom.
  • the external tooth insulation 222a covers the outer side surface 122 of a tooth 12; the external yoke insulation 222b covers the outer side surface 112 of the annular yoke 11, with a simple structure and good insulation.
  • the outer yoke insulation 222b of the above-mentioned several slot insulation reference skeletons 22 are connected to form a ring, which ensures the insulation between the outer side surface 112 of the annular yoke 11 and the coil winding of the stator assembly and the creepage distance.
  • a plurality of partition bars 222b1 protrude outward from the top of the outer yoke insulation 222b, which facilitates the layered passage of the bridge wires of the coil windings of the stator assembly, improves insulation, and allows the bridge wires to be arranged more neatly without mutual interference.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • This embodiment provides an axial flux motor, including a stator assembly and a rotor assembly, the stator assembly and the rotor assembly are axially magnetically coupled, and is characterized in that: the stator assembly is the stator assembly of the axial flux motor described in Example 1.
  • the buckle device i.e., the buckle strip 223) on the slot insulation reference frame can fix the inner ring frame, and the two are interlocked to ensure that the frame as a whole cannot move, the process is simple, the installation is convenient, and it meets the needs of automated production, and the creepage distance is easy to ensure, and the reliability is greatly improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

Disclosed are a stator assembly of an axial flux motor, and an axial flux motor. The stator assembly comprises a stator core and an insulation bobbin; the stator core comprises an annular yoke part and a plurality of tooth parts, a wire slot is formed between every two adjacent tooth parts, and the tooth parts and the wire slots extend in the radial direction; the insulation bobbin comprises an inner annular bobbin and a plurality of slot insulation reference bobbins; each slot insulation reference bobbin comprises a slot insulation part and an outer insulation blocking plate located on the outer side of the slot insulation part; the inner annular bobbin covers the inner side surface of the stator core; a locking strip extends out from the inner side of the slot insulation part; when the slot insulation parts are embedded into the wire slots, the locking strips are fitted to the inner annular bobbin so that the inner annular bobbin and the plurality of slot insulation reference bobbins are fitted together. According to the present invention, it is ensured that the whole bobbin cannot move, the process is simple, it is convenient to mount, the requirement for automatic production is met, it is easy to guarantee the creepage, and the reliability is greatly improved.

Description

轴向磁通电机的定子组件及轴向磁通电机Stator assembly of axial flux motor and axial flux motor 技术领域Technical Field

本发明属于轴向磁通电机的定子组件及轴向磁通电机。The invention belongs to a stator assembly of an axial flux motor and an axial flux motor.

背景技术Background Art

专利号：202121854202.4,专利名称：一种盘式电机的定子骨架线圈组件的实用新型专利，其主要内容提供了一种盘式电机的定子骨架线圈组件，包括一骨架和一线圈，所述骨架包括一管体和一第一挡边，所述管体的一端沿周缘且向外延伸形成所述第一挡边，所述第一挡边上设置有两个限位台，所述限位台位于所述第一挡板远离所述管体的一侧，所述线圈具有两个出线头，所述线圈绕设于所述管体外，并将两个所述出线头定位于所述限位台上，可利用自动化设备生产，避免因人工装配造成的耗时短和一致性差的缺陷，并且通过所述限位台对所述出线头定位，以便后续将所述出线头焊接固定于电路板上。Patent number: 202121854202.4, patent name: A utility model patent for a stator skeleton coil assembly of a disc motor. Its main content provides a stator skeleton coil assembly of a disc motor, including a skeleton and a coil. The skeleton includes a tube body and a first rib. One end of the tube body extends outward along the periphery to form the first rib. Two limit platforms are provided on the first rib. The limit platform is located on the side of the first baffle away from the tube body. The coil has two outlet heads. The coil is wound outside the tube body, and the two outlet heads are positioned on the limit platform. It can be produced using automated equipment to avoid the defects of short time and poor consistency caused by manual assembly, and the outlet head is positioned by the limit platform so that the outlet head can be subsequently welded and fixed to the circuit board.

但该专利结构只能适合开口槽轴向磁通电机定子铁心，所谓开口槽即嵌线槽的槽口完全敞开，没有遮挡，专利号为200980137807.7、专利名称为用于轴向磁通电机的绕组绝缘装置也是采用类似的绝缘结构。However, the patented structure is only suitable for the stator core of an open slot axial flux motor. The so-called open slot means that the slot of the wire embedding slot is completely open and unobstructed. The patent number is 200980137807.7 and the patent name is a winding insulation device for an axial flux motor, which also adopts a similar insulation structure.

这种针对轴向磁通电机定子铁芯的嵌线槽的槽口采用开口槽配合绝缘骨架的结构存在如下的不足：The structure of the wire embedding slot of the stator core of the axial flux motor using an open slot and an insulating frame has the following disadvantages:

1.所述结构只能适用于开口槽轴向磁通电机定子铁芯，绕有线圈的绝缘骨架从气隙侧套入定子铁芯的齿部上，如果齿顶宽于齿部其它部分，则无法套入，即不适合嵌线槽的槽口采用闭口槽的结构；1. The structure is only applicable to the stator core of the open slot axial flux motor. The insulating frame with the coil is inserted into the teeth of the stator core from the air gap side. If the tooth top is wider than the other parts of the tooth, it cannot be inserted, that is, it is not suitable for the slot of the wire embedding slot to adopt the closed slot structure;

2.绕有线圈的绝缘骨架套入定子铁芯上之后，在轴向方向上无固定，绝缘骨架存在脱落的可能性，或进入气隙，影响可靠性；2. After the insulating frame with the coil is inserted into the stator core, it is not fixed in the axial direction. The insulating frame may fall off or enter the air gap, affecting reliability;

3.绝缘骨架架没有对轭部进行保护或其它处理，过桥线在轭部的绝缘、耐压等没有进行处理，存在较多问题。3. The insulating skeleton frame does not provide protection or other treatment for the yoke, and the insulation and withstand voltage of the bridge wire at the yoke are not processed, resulting in many problems.

而针对轴向磁通电机定子铁芯的嵌线槽的槽口采用闭口槽结构的绝缘方案，通常采用在嵌线槽里面放置槽纸的方式，工艺复杂，安装麻烦，不适应自动化生产的需求，且爬电距离难以保证，可靠性较低。The insulation scheme of the wire embedding slot of the stator core of the axial flux motor adopts a closed slot structure, which usually adopts the method of placing slot paper in the wire embedding slot. The process is complicated and the installation is troublesome. It is not suitable for the needs of automated production, and the creepage distance is difficult to guarantee, and the reliability is low.

发明内容Summary of the invention

本发明的目的是提供轴向磁通电机的定子组件及轴向磁通电机，解决现有技术中轴向磁通电机定子铁芯的嵌线槽的槽口采用闭口槽结构的绝 缘方案，通常采用在嵌线槽里面放置槽纸的方式，工艺复杂，安装麻烦，不适应自动化生产的需求，且爬电距离难以保证，可靠性较低的技术问题。The purpose of the present invention is to provide a stator assembly of an axial flux motor and an axial flux motor, which solves the problem that the slots of the wire embedding slots of the stator core of the axial flux motor in the prior art adopt a closed slot structure. The insulation solution usually adopts the method of placing slot paper in the wire trough, which has complex process and troublesome installation, is not suitable for the needs of automated production, and has technical problems such as difficult to ensure creepage distance and low reliability.

本发明的技术方案是这样实现的：The technical solution of the present invention is achieved in this way:

轴向磁通电机的定子组件，包括定子铁芯和绝缘骨架，定子铁芯包括环形轭部和从环形轭部顶面沿轴向凸出的若干个齿部，若干个齿部沿周向间隔均匀分布，相邻两个齿部之间形成嵌线槽，齿部和嵌线槽沿径向延伸布局，其特征在于：绝缘骨架包括内环骨架和若干块槽绝缘基准骨架，槽绝缘基准骨架包括槽绝缘部和位于槽绝缘部外侧的外绝缘挡板，内环骨架覆盖定子铁芯的内侧面，槽绝缘部的内侧伸出有锁扣条，当槽绝缘部嵌套在嵌线槽里面时，锁扣条卡扣在内环骨架使内环骨架和若干块槽绝缘基准骨架扣合在一起，外绝缘挡板覆盖在环形轭部的外侧面。The stator assembly of an axial flux motor includes a stator core and an insulating frame. The stator core includes an annular yoke and a plurality of teeth protruding axially from the top surface of the annular yoke. The plurality of teeth are evenly distributed along the circumferential interval, and a wire embedding groove is formed between two adjacent teeth. The teeth and the wire embedding groove are arranged to extend radially. The invention is characterized in that the insulating frame includes an inner ring frame and a plurality of slot insulation reference frames. The slot insulation reference frame includes a slot insulation portion and an outer insulation baffle located outside the slot insulation portion. The inner ring frame covers the inner side surface of the stator core. A locking strip extends from the inner side of the slot insulation portion. When the slot insulation portion is nested in the wire embedding groove, the locking strip is snapped into the inner ring frame so that the inner ring frame and the plurality of slot insulation reference frames are buckled together. The outer insulation baffle covers the outer side surface of the annular yoke.

上述的内环骨架包括内环形绝缘圈和从内环形绝缘圈顶面沿轴向凸出的若干个内齿部绝缘，若干个内齿部绝缘沿周向向间隔均匀分布，内环形绝缘圈覆盖环形轭部的内侧面；每个内齿部绝缘覆盖一个齿部的内侧面。The above-mentioned inner ring skeleton includes an inner annular insulating ring and a plurality of inner tooth insulations protruding axially from the top surface of the inner annular insulating ring. The plurality of inner tooth insulations are evenly distributed along the circumferential direction, and the inner annular insulating ring covers the inner side surface of the annular yoke; each inner tooth insulation covers the inner side surface of a tooth.

上述的外绝缘挡板覆盖在环形轭部的外侧面和齿部的外侧面。The outer insulating baffle covers the outer side surface of the annular yoke portion and the outer side surface of the tooth portion.

上述的槽绝缘部包括绝缘底板和位于绝缘底板两侧的侧壁绝缘板,侧壁绝缘板的顶部往槽口方向倾斜伸出顶壁绝缘板,所述的齿部的顶部两侧伸出用于遮挡嵌线槽的槽口的挡板，绝缘底板和侧壁绝缘板分别覆盖嵌线槽的槽底壁和侧壁，顶壁绝缘板抵在挡板的底面。The slot insulation part includes an insulating bottom plate and side wall insulating plates located on both sides of the insulating bottom plate. The top of the side wall insulating plate is inclined toward the slot opening and extends out of the top wall insulating plate. Baffles for shielding the slot opening of the wire embedding slot extend out from both sides of the top of the tooth portion. The insulating bottom plate and the side wall insulating plates cover the slot bottom wall and side wall of the wire embedding slot respectively, and the top wall insulating plate is against the bottom surface of the baffle.

上述的外绝缘挡板包括位于上方的外齿部绝缘和位于下方的外轭部绝缘,外齿部绝缘覆盖一个齿部的外侧面；外轭部绝缘覆盖环形轭部的外侧面上。The above-mentioned external insulating baffle includes an external tooth insulation located at the top and an external yoke insulation located at the bottom, the external tooth insulation covers the outer side surface of a tooth; the external yoke insulation covers the outer side surface of the annular yoke.

上述的若干块槽绝缘基准骨架的外轭部绝缘连接起来形成环形。The outer yoke parts of the above-mentioned several slot insulation reference frames are insulated and connected to form a ring.

上述的外轭部绝缘的顶往外凸出有若干个分隔条，便于走线。The top of the outer yoke insulation protrudes outward with a plurality of partition strips to facilitate wiring.

一种轴向磁通电机，包括定子组件和转子组件，定子组件和转子组件 轴向磁耦合，其特征在于：所述的定子组件为上述所述的轴向磁通电机定子组件。An axial flux motor comprises a stator assembly and a rotor assembly, the stator assembly and the rotor assembly Axial magnetic coupling is characterized in that the stator assembly is the above-mentioned axial flux motor stator assembly.

本发明与现有技术相比，有以下优点：Compared with the prior art, the present invention has the following advantages:

效果1：槽绝缘基准骨架上的反扣装置能够固定住内环骨架，且两者形成互锁，保证骨架整体无法移动，工艺简单，安装方便，适应自动化生产的需求，且爬电距容易保证，可靠性大幅提高。Effect 1: The reverse buckle device on the slot insulation reference frame can fix the inner ring frame, and the two are interlocked to ensure that the frame as a whole cannot move. The process is simple, the installation is convenient, and it meets the needs of automated production. The creepage distance is easy to ensure, and the reliability is greatly improved.

效果2：加高槽绝缘基准骨架径向上的长度能够提高接触部分的耐压等级，控制该风险点，提高可靠性。Effect 2: Increasing the radial length of the slot insulation reference frame can increase the voltage resistance level of the contact part, control the risk point, and improve reliability.

效果3：，槽绝缘基准骨架同时能够保证过桥线不与铁心轭部接触，提高耐压等级。Effect 3: The slot insulation reference frame can also ensure that the bridge wire does not contact the core yoke, thereby improving the withstand voltage level.

效果4：槽绝缘基准骨架在轭部除设置的隔线结构，能够保证相间耐压等级，提高安全系数。Effect 4: The wire separation structure set in the yoke of the slot insulation reference frame can ensure the phase-to-phase voltage withstand level and improve the safety factor.

效果5：该结构下能够很容易实现绕线机绕线方案，适应自动化生产的需求，提高该方案的可实施性和生产效率。Effect 5: Under this structure, the winding machine winding solution can be easily implemented, adapting to the needs of automated production and improving the feasibility and production efficiency of the solution.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

图1为本发明实施例一的一个角度立体图；FIG1 is a perspective view of a first embodiment of the present invention;

图2为本发明实施例一的另一个角度立体图；FIG2 is a three-dimensional view from another angle of the first embodiment of the present invention;

图3为本发明实施例一的一个状态的分解图；FIG3 is an exploded view of a state of the first embodiment of the present invention;

图4为本发明实施例一的另一个状态的分解图；FIG4 is an exploded view of another state of the first embodiment of the present invention;

图5为本发明实施例一的定子铁芯的立体图；FIG5 is a perspective view of a stator core according to Embodiment 1 of the present invention;

图6为本发明实施例一的槽绝缘基准骨架的一个角度的立体图；FIG6 is a perspective view of a slot insulation reference frame at one angle according to the first embodiment of the present invention;

图7为本发明实施例一的槽绝缘基准骨架的另一个角度的立体图；FIG7 is a three-dimensional view of the slot insulation reference frame of the first embodiment of the present invention from another angle;

图8是本发明实施例一的俯视图；FIG8 is a top view of the first embodiment of the present invention;

图9是图8的A-A剖视图；Fig. 9 is a cross-sectional view taken along line A-A of Fig. 8;

图10是本发明实施例一的主视图；FIG10 is a front view of Embodiment 1 of the present invention;

图11是图10的B-B剖视图；Fig. 11 is a cross-sectional view taken along line B-B of Fig. 10;

图12是图11的的C部分局部放大图。 FIG. 12 is a partial enlarged view of portion C of FIG. 11 .

具体实施方式DETAILED DESCRIPTION

为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

实施例一：Embodiment 1:

如图1至图12所示，本实施例提供了轴向磁通电机的定子组件，包括定子铁芯1和绝缘骨架2(图中没有画出线圈绕组)，定子铁芯1包括环形轭部11和从环形轭部11顶面沿轴向凸出的若干个齿部12，若干个齿部12沿周向间隔均匀分布，相邻两个齿部12之间形成嵌线槽13，齿部12和嵌线槽13沿径向延伸布局，其特征在于：绝缘骨架2包括内环骨架21和若干块槽绝缘基准骨架22，槽绝缘基准骨架22包括槽绝缘部221和位于槽绝缘部221外侧的外绝缘挡板222，内环骨架21覆盖定子铁芯1的内侧面，槽绝缘部221的内侧伸出有锁扣条223，当槽绝缘部221嵌套在嵌线槽13里面时，锁扣条223卡扣在内环骨架21使内环骨架21和若干块槽绝缘基准骨架22扣合在一起，外绝缘挡板222覆盖在环形轭部11的外侧面。槽绝缘基准骨架22上的反扣装置(即锁扣条223)能够固定住内环骨架21，且两者形成互锁，保证骨架整体无法移动，工艺简单，安装方便，适应自动化生产的需求，且爬电距容易保证，可靠性大幅提高。As shown in FIGS. 1 to 12 , the present embodiment provides a stator assembly of an axial flux motor, comprising a stator core 1 and an insulating frame 2 (coil windings are not shown in the figures), the stator core 1 comprising an annular yoke 11 and a plurality of teeth 12 protruding axially from the top surface of the annular yoke 11, the plurality of teeth 12 being evenly spaced and distributed along the circumferential direction, a wire embedding groove 13 being formed between two adjacent teeth 12, the teeth 12 and the wire embedding groove 13 extending radially, characterized in that: the insulating frame 2 comprises an inner ring frame 21 and a plurality of block grooves The insulating reference frame 22 includes a slot insulating portion 221 and an outer insulating baffle 222 located outside the slot insulating portion 221. The inner ring frame 21 covers the inner side of the stator core 1. A locking strip 223 extends from the inner side of the slot insulating portion 221. When the slot insulating portion 221 is nested in the wire embedding slot 13, the locking strip 223 snaps into the inner ring frame 21 so that the inner ring frame 21 and several slot insulating reference frames 22 are buckled together. The outer insulating baffle 222 covers the outer side of the annular yoke 11. The buckle device (i.e., the locking strip 223) on the slot insulating reference frame 22 can fix the inner ring frame 21, and the two are interlocked to ensure that the frame as a whole cannot move. The process is simple, the installation is convenient, and it meets the needs of automated production. The creepage distance is easy to ensure, and the reliability is greatly improved.

上述的内环骨架21包括内环形绝缘圈211和从内环形绝缘圈211顶面沿轴向凸出的若干个内齿部绝缘212，若干个内齿部绝缘212沿周向向间隔均匀分布，内环形绝缘圈211覆盖环形轭部11的内侧面111；每个内齿部绝缘212覆盖一个齿部12的内侧面121，结构简单，绝缘性好。The above-mentioned inner ring skeleton 21 includes an inner annular insulating ring 211 and a plurality of inner tooth insulations 212 protruding axially from the top surface of the inner annular insulating ring 211. The plurality of inner tooth insulations 212 are evenly distributed along the circumferential direction. The inner annular insulating ring 211 covers the inner side surface 111 of the annular yoke 11; each inner tooth insulation 212 covers the inner side surface 121 of a tooth 12, with a simple structure and good insulation.

外绝缘挡板222覆盖在环形轭部11的外侧面112和齿部12的外侧面122，绝缘性好。结构简单。 The outer insulating baffle 222 covers the outer side surface 112 of the annular yoke 11 and the outer side surface 122 of the tooth portion 12, and has good insulation and a simple structure.

所述的槽绝缘部221包括绝缘底板221a和位于绝缘底板221a两侧的侧壁绝缘板221b,侧壁绝缘板221b的顶部往槽口131方向倾斜伸出顶壁绝缘板221c,所述的齿部12的顶部两侧伸出用于遮挡嵌线槽13的槽口131的挡板123，绝缘底板221a和侧壁绝缘板221b分别覆盖嵌线槽13的槽底壁和侧壁，顶壁绝缘板221c抵在挡板123的底面，槽绝缘部221被嵌线槽13套住，不能轴向移动，且槽绝缘基准骨架22上的反扣装置能够固定住内环骨架21，且两者形成互锁，也不能径向移动，工艺简单，安装方便，适应自动化生产的需求，且爬电距容易保证，可靠性大幅提高。。The slot insulating part 221 includes an insulating bottom plate 221a and side wall insulating plates 221b located on both sides of the insulating bottom plate 221a. The top of the side wall insulating plate 221b is inclined toward the notch 131 and extends out of the top wall insulating plate 221c. The top sides of the tooth part 12 extend out of the baffles 123 for shielding the notch 131 of the wire embedding groove 13. The insulating bottom plate 221a and the side wall insulating plates 221b cover the bottom wall and side wall of the wire embedding groove 13 respectively. The top wall insulating plate 221c is against the bottom surface of the baffle 123. The slot insulating part 221 is covered by the wire embedding groove 13 and cannot move axially. The reverse buckle device on the slot insulating reference frame 22 can fix the inner ring frame 21, and the two are interlocked and cannot move radially. The process is simple, the installation is convenient, and it meets the needs of automated production. The creepage distance is easy to ensure, and the reliability is greatly improved. .

上述的外绝缘挡板222包括位于上方的外齿部绝缘222a和位于下方的外轭部绝缘222b,外齿部绝缘222a覆盖一个齿部12的外侧面122；外轭部绝缘222b覆盖环形轭部11的外侧面112上，结构简单，绝缘性好。The above-mentioned external insulating baffle 222 includes an external tooth insulation 222a located at the top and an external yoke insulation 222b located at the bottom. The external tooth insulation 222a covers the outer side surface 122 of a tooth 12; the external yoke insulation 222b covers the outer side surface 112 of the annular yoke 11, with a simple structure and good insulation.

上述的若干块槽绝缘基准骨架22的外轭部绝缘222b连接起来形成环形，保证环形轭部11的外侧面112与定子组件的线圈绕组的绝缘，保证爬电距离。The outer yoke insulation 222b of the above-mentioned several slot insulation reference skeletons 22 are connected to form a ring, which ensures the insulation between the outer side surface 112 of the annular yoke 11 and the coil winding of the stator assembly and the creepage distance.

上述的外轭部绝缘222b的顶往外凸出有若干个分隔条222b1，便于定子组件的线圈绕组的过桥线分层穿过，提高绝缘性，是过桥线更加整齐排布，不相互干涉影响。A plurality of partition bars 222b1 protrude outward from the top of the outer yoke insulation 222b, which facilitates the layered passage of the bridge wires of the coil windings of the stator assembly, improves insulation, and allows the bridge wires to be arranged more neatly without mutual interference.

实施例二：Embodiment 2:

本实施例提供一种轴向磁通电机，包括定子组件和转子组件，定子组件和转子组件轴向磁耦合，其特征在于：所述的定子组件为实施例一所述的轴向磁通电机的定子组件。它槽绝缘基准骨架上的反扣装置(即锁扣条223)能够固定住内环骨架，且两者形成互锁，保证骨架整体无法移动，工艺简单，安装方便，适应自动化生产的需求，且爬电距容易保证，可靠性大幅提高。 This embodiment provides an axial flux motor, including a stator assembly and a rotor assembly, the stator assembly and the rotor assembly are axially magnetically coupled, and is characterized in that: the stator assembly is the stator assembly of the axial flux motor described in Example 1. The buckle device (i.e., the buckle strip 223) on the slot insulation reference frame can fix the inner ring frame, and the two are interlocked to ensure that the frame as a whole cannot move, the process is simple, the installation is convenient, and it meets the needs of automated production, and the creepage distance is easy to ensure, and the reliability is greatly improved.

以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。 The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are all equivalent replacement methods and are included in the protection scope of the present invention.

Claims (8)

轴向磁通电机的定子组件，包括定子铁芯(1)和绝缘骨架(2)，定子铁芯(1)包括环形轭部(11)和从环形轭部(11)顶面沿轴向凸出的若干个齿部(12)，若干个齿部(12)沿周向间隔均匀分布，相邻两个齿部(12)之间形成嵌线槽(13)，齿部(12)和嵌线槽(13)沿径向延伸布局，其特征在于：绝缘骨架(2)包括内环骨架(21)和若干块槽绝缘基准骨架(22)，槽绝缘基准骨架(22)包括槽绝缘部(221)和位于槽绝缘部(221)外侧的外绝缘挡板(222)，内环骨架(21)覆盖定子铁芯(1)的内侧面，槽绝缘部(221)的内侧伸出有锁扣条(223)，当槽绝缘部(221)嵌套在嵌线槽(13)里面时，锁扣条(223)卡扣在内环骨架(21)使内环骨架(21)和若干块槽绝缘基准骨架(22)扣合在一起，外绝缘挡板(222)覆盖在环形轭部(11)的外侧面。The stator assembly of an axial flux motor comprises a stator core (1) and an insulating frame (2), wherein the stator core (1) comprises an annular yoke (11) and a plurality of teeth (12) protruding axially from the top surface of the annular yoke (11), wherein the plurality of teeth (12) are evenly distributed along the circumferential direction, and a wire embedding groove (13) is formed between two adjacent teeth (12), and the teeth (12) and the wire embedding groove (13) are arranged to extend radially. The insulating frame (2) comprises an inner ring frame (21) and a plurality of slot insulating reference frames (22), wherein the slot insulating reference frames ( The invention discloses a stator core (1) comprising a slot insulating portion (221) and an outer insulating baffle (222) located outside the slot insulating portion (221); the inner ring frame (21) covers the inner side surface of the stator core (1); a locking strip (223) extends from the inner side of the slot insulating portion (221); when the slot insulating portion (221) is nested in the wire embedding slot (13), the locking strip (223) is snapped into the inner ring frame (21) so that the inner ring frame (21) and a plurality of slot insulating reference frames (22) are snapped together; and the outer insulating baffle (222) covers the outer side surface of the annular yoke (11). 根据权利要求1所述的轴向磁通电机的定子组件，其特征在于：内环骨架(21)包括内环形绝缘圈(211)和从内环形绝缘圈(211)顶面沿轴向凸出的若干个内齿部绝缘(212)，若干个内齿部绝缘(212)沿周向向间隔均匀分布，内环形绝缘圈(211)覆盖环形轭部(11)的内侧面(111)；每个内齿部绝缘(212)覆盖一个齿部(12)的内侧面(121)。The stator assembly of the axial flux motor according to claim 1 is characterized in that: the inner ring skeleton (21) includes an inner annular insulating ring (211) and a plurality of inner tooth insulations (212) protruding axially from the top surface of the inner annular insulating ring (211), the plurality of inner tooth insulations (212) are evenly spaced and distributed along the circumferential direction, the inner annular insulating ring (211) covers the inner side surface (111) of the annular yoke (11); each inner tooth insulation (212) covers the inner side surface (121) of a tooth (12). 根据权利要求2所述的轴向磁通电机的定子组件，其特征在于：外绝缘挡板(222)覆盖在环形轭部(11)的外侧面(112)和齿部(12)的外侧面(122)。The stator assembly of the axial flux motor according to claim 2 is characterized in that the outer insulating baffle (222) covers the outer side surface (112) of the annular yoke portion (11) and the outer side surface (122) of the tooth portion (12). 根据权利要求1或2或3所述的轴向磁通电机的定子组件，其特征在于：槽绝缘部(221)包括绝缘底板(221a)和位于绝缘底板(221a)两侧的侧壁绝缘板(221b),侧壁绝缘板(221b)的顶部往槽口(131)方向倾斜伸出顶壁绝缘板(221c),所述的齿部(12)的顶部两侧伸出用于遮挡嵌线槽(13)的槽口(131)的挡板(123)，绝缘底板(221a)和侧壁绝缘板(221b)分别覆盖嵌线槽(13)的槽底壁和侧壁，顶壁绝缘板 (221c)抵在挡板(123)的底面。The stator assembly of the axial flux motor according to claim 1, 2 or 3 is characterized in that: the slot insulation portion (221) includes an insulating bottom plate (221a) and side wall insulating plates (221b) located on both sides of the insulating bottom plate (221a), the top of the side wall insulating plate (221b) is inclined toward the slot opening (131) and extends out of the top wall insulating plate (221c), and baffles (123) for shielding the slot opening (131) of the wire embedding slot (13) extend from both sides of the top of the tooth portion (12), the insulating bottom plate (221a) and the side wall insulating plates (221b) respectively cover the slot bottom wall and side wall of the wire embedding slot (13), and the top wall insulating plate (221c) abuts against the bottom surface of the baffle (123). 根据权利要求4所述的轴向磁通电机的定子组件，其特征在于：外绝缘挡板(222)包括位于上方的外齿部绝缘(222a)和位于下方的外轭部绝缘(222b),外齿部绝缘(222a)覆盖一个齿部(12)的外侧面(122)；外轭部绝缘(222b)覆盖环形轭部(11)的外侧面(112)上。The stator assembly of the axial flux motor according to claim 4 is characterized in that: the outer insulating baffle (222) includes an outer tooth insulation (222a) located at the top and an outer yoke insulation (222b) located at the bottom, the outer tooth insulation (222a) covers the outer side surface (122) of a tooth (12); the outer yoke insulation (222b) covers the outer side surface (112) of the annular yoke (11). 根据权利要求5所述的轴向磁通电机的定子组件，其特征在于：若干块槽绝缘基准骨架(22)的外轭部绝缘(222b)连接起来形成环形。The stator assembly of the axial flux motor according to claim 5 is characterized in that the outer yoke insulation (222b) of a plurality of slot insulation reference frames (22) are connected together to form a ring. 根据权利要求6所述的轴向磁通电机的定子组件，其特征在于：外轭部绝缘(222b)的顶往外凸出有若干个分隔条(222b1)。The stator assembly of the axial flux motor according to claim 6 is characterized in that a plurality of partition strips (222b1) protrude outward from the top of the outer yoke insulation (222b). 一种轴向磁通电机，包括定子组件和转子组件，定子组件和转子组件轴向磁耦合，其特征在于：所述的定子组件为权利要求1至7任一项所述的轴向磁通电机的定子组件。 An axial flux motor comprises a stator assembly and a rotor assembly, wherein the stator assembly and the rotor assembly are axially magnetically coupled, and is characterized in that the stator assembly is the stator assembly of the axial flux motor according to any one of claims 1 to 7.
PCT/CN2023/113669 2023-06-20 2023-08-18 Stator assembly of axial flux motor, and axial flux motor Ceased WO2024259801A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310738023.1 2023-06-20
CN202310738023.1A CN116722687A (en) 2023-06-20 2023-06-20 Stator assembly of axial flux motor and axial flux motor

Publications (1)

Publication Number Publication Date
WO2024259801A1 true WO2024259801A1 (en) 2024-12-26

Family

ID=87865846

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/113669 Ceased WO2024259801A1 (en) 2023-06-20 2023-08-18 Stator assembly of axial flux motor, and axial flux motor

Country Status (2)

Country Link
CN (1) CN116722687A (en)
WO (1) WO2024259801A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117895676B (en) * 2023-12-29 2024-12-10 比亚迪股份有限公司 Stator core assembly, stator assembly, linear motor, suspension device and vehicle

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203660698U (en) * 2013-12-27 2014-06-18 中山大洋电机制造有限公司 End part insulating structure on motor stator core and plastic packaged motor employing same
JP2017079553A (en) * 2015-10-21 2017-04-27 トヨタ自動車株式会社 Stator for electric motor
CN208209645U (en) * 2018-04-20 2018-12-07 嵊州市越风电器有限公司 Exchange plastic packaging motor
CN111404294A (en) * 2020-05-09 2020-07-10 横店集团英洛华电气有限公司 Stator assembly of external rotor motor
CN113300520A (en) * 2021-05-17 2021-08-24 安徽威灵汽车部件有限公司 Insulating skeleton, stator, motor, compressor and vehicle
CN113572282A (en) * 2021-08-09 2021-10-29 浙江盘毂动力科技有限公司 Winding stator structure, stator assembly and disc type motor
CN114785007A (en) * 2022-05-16 2022-07-22 苏州爱知科技有限公司 Spliced stator assembly and motor
CN218183088U (en) * 2022-09-19 2022-12-30 大洋电机(武汉)研究院有限公司 Stator core structure of axial flux motor and axial flux motor
WO2023087573A1 (en) * 2021-11-19 2023-05-25 广东美芝制冷设备有限公司 Insulating framework, stator, motor, compressor and refrigeration appliance

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203660698U (en) * 2013-12-27 2014-06-18 中山大洋电机制造有限公司 End part insulating structure on motor stator core and plastic packaged motor employing same
JP2017079553A (en) * 2015-10-21 2017-04-27 トヨタ自動車株式会社 Stator for electric motor
CN208209645U (en) * 2018-04-20 2018-12-07 嵊州市越风电器有限公司 Exchange plastic packaging motor
CN111404294A (en) * 2020-05-09 2020-07-10 横店集团英洛华电气有限公司 Stator assembly of external rotor motor
CN113300520A (en) * 2021-05-17 2021-08-24 安徽威灵汽车部件有限公司 Insulating skeleton, stator, motor, compressor and vehicle
CN113572282A (en) * 2021-08-09 2021-10-29 浙江盘毂动力科技有限公司 Winding stator structure, stator assembly and disc type motor
WO2023087573A1 (en) * 2021-11-19 2023-05-25 广东美芝制冷设备有限公司 Insulating framework, stator, motor, compressor and refrigeration appliance
CN114785007A (en) * 2022-05-16 2022-07-22 苏州爱知科技有限公司 Spliced stator assembly and motor
CN218183088U (en) * 2022-09-19 2022-12-30 大洋电机(武汉)研究院有限公司 Stator core structure of axial flux motor and axial flux motor

Also Published As

Publication number Publication date
CN116722687A (en) 2023-09-08

Similar Documents

Publication Publication Date Title
US8143753B2 (en) Motor stator and molded motor
JP2594305B2 (en) Transformer with lead wire isolation slot
JPH0514506B2 (en)
JP3664608B2 (en) Rotating electric machine
JP5515656B2 (en) Insulation structure of concentrated winding motor
WO2024259801A1 (en) Stator assembly of axial flux motor, and axial flux motor
JPH0638698B2 (en) Small electric motor
CN109995154A (en) Stator iron core, stator including the stator iron core and preparation method thereof
CN204271861U (en) Insulated thermoplastic end caps and centrally wound synchronous motors
JPH0828300B2 (en) Trance
JPH0412767Y2 (en)
JP4150774B2 (en) Electric motor stator
JP2000060083A (en) Low pressure induction motor
JP3537880B2 (en) Small transformer
US3664017A (en) Method of fastening coil leads
CN222953800U (en) Axial flux disc motor stator core with insulation structure and disc motor
JPS58110A (en) Manufacture of induction electrical apparatus
JP2000124039A (en) Trance
JPH05168204A (en) Manufacture of stator for induction motor
JP2008048491A (en) Structure for insulating motor windings
JP2004087778A (en) Trance
JP3130092B2 (en) Motor stator
JPS6216749Y2 (en)
CN222234530U (en) Stator assembly, motor and compressor
JPH02261028A (en) Motor

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23942069

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE