JP2001103699A - Stator for motor - Google Patents
Stator for motorInfo
- Publication number
- JP2001103699A JP2001103699A JP27658599A JP27658599A JP2001103699A JP 2001103699 A JP2001103699 A JP 2001103699A JP 27658599 A JP27658599 A JP 27658599A JP 27658599 A JP27658599 A JP 27658599A JP 2001103699 A JP2001103699 A JP 2001103699A
- Authority
- JP
- Japan
- Prior art keywords
- crossover
- stator
- notch
- wire
- winding
- 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.)
- Granted
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、多相巻線を形成す
る電動機の固定子に係り、特に、同相の巻線を相互に接
続する渡り線の引き入れ、引き出しを行う部分の改良に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stator for an electric motor forming a multi-phase winding, and more particularly to an improvement in a part for drawing in and pulling out a crossover for connecting windings of the same phase to each other.
【０００２】[0002]
【従来の技術】この種の固定子として、径方向内側に６
個の磁極を突出させ、これらの磁極に巻線を巻装すると
共に、これらの巻線を星形結線して三相交流電圧によっ
て回転磁界を発生させるものがある。図５はこの固定子
の巻線の結線図である。同図において、Ｕ相の巻線Ｕ
１，Ｕ２、Ｖ相の巻線Ｖ１，Ｖ２、Ｗ相の巻線Ｗ１，Ｗ
２がそれぞれ並列接続され、これら並列接続巻線の一端
が相互に接続されて中性点を形成し、他端が三相電圧の
入力端子Ｕ，Ｖ，Ｗに接続されている。以下、Ｕ相の巻
線Ｕ１，Ｕ２と入力端子Ｕとの接続線、Ｖ相の巻線Ｖ
１，Ｖ２と入力端子Ｖとの接続線及びＷ相の巻線Ｗ１，
Ｗ２と入力端子Ｗとの接続線をリード線と称し、Ｕ相の
巻線Ｕ１，Ｕ２の一端を相互に接続する接続線、Ｖ相の
巻線Ｖ１，Ｖ２を相互に接続する接続線及びＷ相の巻線
Ｗ１，Ｗ２の一端を相互に接続する接続線をそれぞれ渡
り線と称することとする。2. Description of the Related Art As a stator of this kind, a radially inward
Some magnetic poles are projected, windings are wound around these magnetic poles, and these windings are star-connected to generate a rotating magnetic field by a three-phase AC voltage. FIG. 5 is a connection diagram of the windings of the stator. In the figure, a U-phase winding U
1, U2, V-phase windings V1, V2, W-phase windings W1, W
2 are connected in parallel, one ends of these parallel connection windings are connected to each other to form a neutral point, and the other ends are connected to input terminals U, V, W of three-phase voltages. Hereinafter, a connection line between the U-phase windings U1 and U2 and the input terminal U, a V-phase winding V
1, V2 and the input terminal V and the W-phase winding W1,
A connection line between W2 and input terminal W is called a lead wire, a connection line connecting one end of U-phase windings U1 and U2, a connection line connecting V-phase windings V1 and V2, and W The connecting wires that connect one ends of the phase windings W1 and W2 to each other are referred to as crossovers.
【０００３】図６は上述した巻線Ｕ１，Ｕ２，Ｖ１，Ｖ
２，Ｗ１，Ｗ２の固定子鉄心１に対する巻回状態及びそ
の接続状態を説明するために、固定子鉄心１を軸方向か
ら見た平面図である。ここで、固定子鉄心１は径方向内
側に突出する６個の磁極２Ｕ，２Ｖ，２Ｗ，２Ｕ′，２
Ｖ′，２Ｗ′を備えている。これらの磁極にそれぞれ前
述した巻線Ｕ１，Ｖ１，Ｗ１，Ｕ２，Ｖ２，Ｗ２が巻装
されている。図面上、実線が固定子鉄心１の表側に配置
されていることを示し、破線が固定子鉄心１の裏側に配
置されていることを示している。FIG. 6 shows the above-mentioned windings U1, U2, V1, V
FIG. 2 is a plan view of the stator core 1 viewed from an axial direction for explaining a winding state and a connection state of W1, W2 and the stator core 1 with respect to the stator core 1; Here, the stator core 1 has six magnetic poles 2U, 2V, 2W, 2U ', 2 projecting radially inward.
V ', 2W'. The above-mentioned windings U1, V1, W1, U2, V2, W2 are wound around these magnetic poles, respectively. In the drawing, a solid line indicates that it is arranged on the front side of the stator core 1, and a broken line indicates that it is arranged on the back side of the stator core 1.
【０００４】このうち、一端がリード線として入力端子
Ｕに接続された導線は、磁極２Ｕ′に巻装されて巻線Ｕ
２となり、その他端は固定子鉄心１の裏側において径方
向外側に導出され、渡り線４Ｕとして略半周引き回され
てから磁極２Ｕに巻装されて巻線Ｕ１として固定子鉄心
１の表側に引き出され、リード線として入力端子Ｕに接
続される。また、一端がリード線として入力端子Ｖに接
続された導線は、磁極２Ｖに巻装されて巻線Ｖ１とな
り、その他端は固定子鉄心１の裏側において径方向外側
に導出され、渡り線４Ｖとして略半周引き回されてから
磁極２Ｖ′に巻装されて巻線Ｖ２として固定子鉄心１の
表側に引き出され、リード線として入力端子Ｖに接続さ
れる。同様にして、一端がリード線として入力端子Ｗに
接続された導線は、磁極２Ｗ′に巻装されて巻線Ｗ２と
なり、その他端は固定子鉄心１の裏側において径方向外
側に導出され、渡り線４Ｗとして略半周引き回されてか
ら磁極２Ｗに巻装されて巻線Ｗ１として固定子鉄心１の
表側に引き出され、リード線として入力端子Ｗに接続さ
れる。[0004] Among them, a conductor whose one end is connected to the input terminal U as a lead wire is wound around the magnetic pole 2U ', and
2 and the other end is drawn radially outward on the back side of the stator core 1, wound around the semi-circle as a crossover 4 U, wound around the magnetic pole 2 U, and drawn out to the front side of the stator core 1 as a winding U 1. And connected to the input terminal U as a lead wire. A lead wire having one end connected to the input terminal V as a lead wire is wound around a magnetic pole 2V to form a winding V1, and the other end is led out radially outward on the back side of the stator core 1 as a crossover wire 4V. The wire is wound around the magnetic pole 2V 'after being wound substantially half way, drawn out to the front side of the stator core 1 as a winding V2, and connected to the input terminal V as a lead wire. Similarly, a lead wire having one end connected to the input terminal W as a lead wire is wound around the magnetic pole 2W 'to form a winding W2, and the other end is led out radially outward on the back side of the stator core 1 and is The wire 4W is wound about half a turn, wound around the magnetic pole 2W, drawn out to the front side of the stator core 1 as a winding W1, and connected to the input terminal W as a lead wire.
【０００５】そして、渡り線４Ｕと４Ｖとが圧着端子８
により、渡り線４Ｕと４Ｗとが圧着端子８によりそれぞ
れ接続されて、図５に示す星形結線回路が形成される。The crossover wires 4U and 4V are connected to the crimp terminals 8
Thereby, the connecting wires 4U and 4W are connected by the crimp terminals 8, respectively, and the star-shaped connection circuit shown in FIG. 5 is formed.
【０００６】図７（ａ）は固定子鉄心１の両端に絶縁枠
３を嵌装し、この絶縁枠３を介して巻線Ｕ１，Ｕ２，Ｖ
１，Ｖ２，Ｗ１，Ｗ２を巻装した固定子の渡り線４Ｕ，
４Ｖ，４Ｗを配置した一端部の側面図であり、図７
（ｂ），（ｃ）は図７（ａ）中のＡ，Ｂ各部の拡大側面
図である。ここで、絶縁枠３は固定子鉄心１の各端部に
嵌装されている。この絶縁枠３は径方向の内、外側を仕
切るように軸方向に突出する円筒状の仕切壁９を有し、
周方向で見た磁極位置とその中間部分にそれぞれ切欠き
が形成されている。これらの切欠きのうち、図７（ｂ）
は渡り線４Ｗを引き入れる切欠き６の周辺の詳細を示し
たもので、配線の軸方向の移動を制限する一対の突起７
間に渡り線４Ｕが図面の上側に引き回され、この渡り線
４Ｕの下側で渡り線４Ｗが切欠き６を通して径方向内側
に引き入れられ、磁極２Ｗに巻装される。図７（ｃ）は
渡り線４Ｖを切欠き５から引き出す状態と併せて、渡り
線４Ｕと渡り線４Ｖとを圧着端子８で接続する状態を示
したものである。ここで、渡り線４Ｖは磁極２Ｖの位置
から切欠き５を通して引き出され、磁極間の切欠きに対
応する位置にて、圧着端子８により渡り線４Ｕに接続さ
れる。FIG. 7A shows an insulation frame 3 fitted at both ends of a stator core 1, and windings U 1, U 2, V
1, V2, W1, W2 wound stator winding 4U,
FIG. 7 is a side view of one end where 4V and 4W are arranged.
(B), (c) is an enlarged side view of each part of A and B in FIG. 7 (a). Here, the insulating frame 3 is fitted to each end of the stator core 1. The insulating frame 3 has a cylindrical partition wall 9 protruding in the axial direction so as to partition the inside and outside in the radial direction.
Notches are formed at the magnetic pole position as viewed in the circumferential direction and at an intermediate portion thereof. Among these notches, FIG.
Shows details around the notch 6 for drawing in the crossover 4W, and includes a pair of protrusions 7 for restricting the movement of the wiring in the axial direction.
The connecting wire 4U is routed upward in the drawing, and the connecting wire 4W is drawn inward in the radial direction through the notch 6 below the connecting wire 4U and wound around the magnetic pole 2W. FIG. 7C shows a state in which the connecting wire 4U and the connecting wire 4V are connected by the crimp terminal 8 together with the state in which the connecting wire 4V is pulled out from the notch 5. Here, the connecting wire 4V is pulled out from the position of the magnetic pole 2V through the notch 5, and is connected to the connecting wire 4U by the crimp terminal 8 at a position corresponding to the notch between the magnetic poles.
【０００７】なお、圧着端子８はその内側にギザギザの
歯が設けられており、電線にカシメることにより電線の
皮膜を突き破って芯線に達して渡り線４Ｕ，４Ｖ間の導
通が図られる。[0007] The crimp terminal 8 is provided with jagged teeth on the inner side thereof. By crimping the wire, the crimp terminal 8 breaks through the coating of the wire to reach the core wire, thereby achieving conduction between the crossover wires 4U and 4V.
【０００８】図８（ａ）はリード線配置端部を軸方向か
ら見た平面図であり、磁極２Ｕ，２Ｖ，２Ｗ，２Ｕ′，
２Ｖ′，２Ｗ′にそれぞれ巻線が施されて巻線Ｕ１，Ｖ
１，Ｗ１，Ｕ２，Ｖ２，Ｗ２が装着されている。FIG. 8 (a) is a plan view of the lead wire arrangement end viewed from the axial direction, and shows the magnetic poles 2U, 2V, 2W, 2U ',
2V 'and 2W' are respectively wound with windings U1 and V
1, W1, U2, V2, and W2 are mounted.
【０００９】このうち、磁極２Ｕ′に巻装された巻線Ｕ
２から仕切壁９の外側に引き出された渡り線４Ｕは、略
半周引き回されてから仕切壁９の内側に引き入れられ、
巻線Ｕ１として磁極２Ｕに巻装される。また、磁極２Ｖ
に巻装された巻線Ｖ１から仕切壁９の外側に引き出され
た渡り線４Ｖは、略半周引き回されてから仕切壁９の内
側に引き入れられ、巻線Ｖ２として磁極２Ｖ′に巻装さ
れる。さらに、磁極２Ｗ′に巻装された巻線Ｗ２から仕
切壁９の外側に引き出された渡り線４Ｗは、略半周引き
回されてから仕切壁９の内側に引き入れられ、巻線Ｗ１
として磁極２Ｗに巻装される。そして、磁極２Ｖと２Ｕ
との間で渡り線４Ｕと４Ｖとが圧着端子８によって接続
され、磁極２Ｕ′２Ｗととの間で渡り線４Ｕと４Ｗとが
圧着端子８によって接続されている。Of these, the winding U wound around the magnetic pole 2U '
The crossover 4U drawn out of the partition wall 9 from outside 2 is drawn around the semi-circumferential route and then inside the partition wall 9,
It is wound around the magnetic pole 2U as the winding U1. In addition, magnetic pole 2V
The crossover wire 4V drawn out of the partition wall 9 from the winding V1 wound around is wound around the partition wall 9 approximately half a turn, and then drawn inside the partition wall 9, and wound around the magnetic pole 2V 'as the winding V2. You. Further, the connecting wire 4W drawn out of the partition wall 9 from the winding W2 wound around the magnetic pole 2W 'is drawn around the semi-circumferential route and then drawn inside the partition wall 9 to form the winding W1.
Is wound around the magnetic pole 2W. And the magnetic poles 2V and 2U
The connecting wires 4U and 4V are connected by the crimp terminal 8 between them, and the connecting wires 4U and 4W are connected by the crimp terminal 8 to the magnetic pole 2U'2W.
【００１０】図８（ｂ）は渡り線４Ｕを仕切壁９に形成
した切欠き６から引き入れる状態を示したもので、渡り
線４Ｕは切欠き６の側縁に沿って内側に曲げられた後、
仕切壁９の内周面に接して下方斜めに引き入れられる。
これ以外の渡り線４Ｖ，４Ｗもこれと全く同様にして仕
切壁９の内部に引き入れられる。FIG. 8B shows a state in which the crossover 4U is drawn in from the notch 6 formed in the partition wall 9, and the crossover 4U is bent inward along the side edge of the notch 6. ,
The partition wall 9 is drawn in obliquely downward in contact with the inner peripheral surface of the partition wall 9.
The other crossovers 4V, 4W are drawn into the partition wall 9 in exactly the same manner.
【００１１】[0011]
【発明が解決しようとする課題】上述した従来の電動機
の固定子にあっては、図８（ｂ）に示した如く、渡り線
４Ｕが切欠き６を通して仕切壁９の内部に引き入れられ
て磁極２Ｕに巻装されたとき、その巻始め端部１３と巻
終わり端部１４とが接近して絶縁性能が不十分になる場
合があった。因みに、切欠き６の底部をより深く掘り下
げて、磁極２Ｕの上端面と同一にした場合、巻線の張力
が切欠き６の側端に直接作用することとなり、仕切壁９
の壁面が変形したり、場合によっては破損したりするこ
とが予測される。In the above-described conventional motor stator, as shown in FIG. 8 (b), the crossover wire 4U is drawn into the partition wall 9 through the notch 6 so that the magnetic pole is formed. When wound around 2U, the winding start end 13 and the winding end end 14 may approach each other, resulting in insufficient insulation performance. Incidentally, if the bottom of the notch 6 is dug deeper to make it the same as the upper end surface of the magnetic pole 2U, the tension of the winding directly acts on the side end of the notch 6, and the partition wall 9
It is expected that the wall surface of the will be deformed or damaged in some cases.
【００１２】一方、渡り線４Ｕ，４Ｖ，４Ｗは、順次上
下に規則正しく配線し難い場合があり、例えば、図７
（ｃ）に示すように、渡り線４Ｕと４Ｖとが交差する部
位を圧着端子８でカシメることがあり、このような場合
には渡り線が圧着部で断線する不良原因になることがあ
った。On the other hand, it may be difficult to wire the crossover lines 4U, 4V, 4W sequentially and vertically in some cases.
As shown in (c), a portion where the crossover wires 4U and 4V intersect may be caulked by the crimp terminal 8, and in such a case, the crossover wire may be a cause of disconnection at the crimp portion. Was.
【００１３】本発明は、上記の事情を考慮してなされた
もので、絶縁不良や断線等、電気的な不良要因を除去す
る構成により、信頼性を向上させることのできる電動機
の固定子を提供することを目的とする。The present invention has been made in view of the above circumstances, and provides a motor stator capable of improving reliability by removing an electrical failure factor such as insulation failure or disconnection. The purpose is to do.
【００１４】[0014]
【課題を解決するための手段】請求項１に係る発明は、
略円筒状に形成され、径方向内側に突出する複数の磁極
を有する固定子鉄心と、固定子鉄心の各端部に嵌装さ
れ、径方向の内、外側を仕切るように軸方向に突出する
円筒状の仕切壁を有し、周方向で見た仕切壁の少なくと
も一部の磁極位置に切欠きが形成された絶縁枠と、絶縁
枠を介して磁極にそれぞれ巻装された巻線を有し、切欠
きを通して給電用のリード線を導出すると共に、同相の
磁極に巻装された巻線どうしを接続する渡り線の引き出
し、引き入れを行う固定子巻線と、互いに異なる相の渡
り線を接続する圧着端子と、を備え、固定子鉄心の一方
の端部にリード線を配置し、固定子鉄心の他方の端部に
渡り線を配置し、かつ、一つの相の渡り線の巻回経路の
途中の切欠きから他の相の渡り線の引き入れ、引き出し
を行う電動機の固定子において、渡り線の引き入れが行
われる絶縁枠の切欠きの下底縁部の外側領域に、円筒状
外周面よりも径方向外側に張り出した張り出し部を設
け、かつ、切欠きの下底縁部を張り出し部の上端より所
定寸法だけ掘り下げたことを特徴とする。The invention according to claim 1 is
A stator core having a plurality of magnetic poles formed in a substantially cylindrical shape and protruding radially inward, and fitted at each end of the stator core, and protruding in the axial direction so as to partition the inside and outside in the radial direction. It has an insulating frame having a cylindrical partition wall and a notch formed in at least a part of the magnetic pole position of the partition wall viewed in the circumferential direction, and windings wound around the magnetic poles via the insulating frame. The lead wire for power supply is led out through the notch, and the connecting wire that connects the windings wound around the same-phase magnetic poles is pulled out and the stator winding that pulls in the connecting wire is connected to the connecting wires of different phases. And a crimp terminal to be connected, wherein a lead wire is arranged at one end of the stator core, a crossover wire is arranged at the other end of the stator core, and one phase of the crossover is wound. Fixing of the electric motor that pulls in and pulls out the crossover of another phase from the notch in the middle of the path In the region outside the lower bottom edge of the notch of the insulating frame in which the crossover wire is drawn in, a projection that projects radially outward from the cylindrical outer peripheral surface is provided, and the lower bottom edge of the notch Is dug down by a predetermined dimension from the upper end of the overhang portion.
【００１５】請求項２に係る発明は、請求項１に記載の
電動機の固定子において、張り出し部の上端の外周縁に
沿って、軸方向深さが略巻線の直径に等しい周方向切欠
きを設けたことを特徴とする。According to a second aspect of the present invention, in the electric motor stator according to the first aspect, a circumferential notch having an axial depth substantially equal to the diameter of the winding is formed along an outer peripheral edge of an upper end of the overhang portion. Is provided.
【００１６】請求項３に係る発明は、略円筒状に形成さ
れ、径方向内側に突出する複数の磁極を有する固定子鉄
心と、固定子鉄心の各端部に嵌装され、径方向の内、外
側を仕切るように軸方向に突出する円筒状の仕切壁を有
し、周方向で見た仕切壁の少なくとも一部の磁極位置に
切欠きが形成された絶縁枠と、絶縁枠を介して磁極にそ
れぞれ巻装された巻線を有し、切欠きを通して給電用の
リード線を導出すると共に、同相の磁極に巻装された巻
線どうしを接続する渡り線の引き出し、引き入れを行う
固定子巻線と、互いに異なる相の渡り線を接続する圧着
端子と、を備え、固定子鉄心の一方の端部にリード線を
配置し、固定子鉄心の他方の端部に渡り線を配置し、か
つ、一つの相の渡り線の巻回経路の途中の切欠きから他
の相の渡り線の引き入れ、引き出しを行う電動機の固定
子において、渡り線の引き出しが行われる絶縁枠の切欠
きの少なくとも側縁部の外側領域に、円筒状外周面より
も径方向外側に張り出し、上端面を渡り線の巻回経路と
する張り出し部を設けると共に、張り出し部を外れた周
方向端に、張り出し部の上端面よりも少なくとも巻線の
直径だけ深く掘り下げた径方向溝を設けたことを特徴と
する。According to a third aspect of the present invention, there is provided a stator core formed in a substantially cylindrical shape and having a plurality of magnetic poles projecting radially inward, and fitted at each end of the stator core to form a radially inner portion. An insulating frame having a cylindrical partition wall that protrudes in the axial direction so as to partition the outside, and a notch formed in at least a part of a magnetic pole position of the partition wall viewed in the circumferential direction, via the insulating frame. A stator having windings wound around magnetic poles, leading a power supply lead wire through a notch, and pulling out and pulling in a crossover connecting the windings wound around the magnetic poles of the same phase. A winding and a crimp terminal that connects the crossover wires of mutually different phases are provided, a lead wire is arranged at one end of the stator core, and a crossover wire is arranged at the other end of the stator core, In addition, the notch in the middle of the winding path of one phase In the stator of the motor for inserting and pulling out, in the outer region of at least the side edge of the cutout of the insulating frame from which the crossover is drawn out, project radially outward from the cylindrical outer peripheral surface, and cross the upper end surface. And a radial groove dug down at least by the diameter of the winding from the upper end surface of the overhang portion at the circumferential end off the overhang portion.
【００１７】請求項４に係る発明は、請求項３に記載の
電動機の固定子において、張り出し部の上端の渡り線の
巻回経路より外側の周縁をテーパ状に面取りしたことを
特徴とする。According to a fourth aspect of the present invention, in the electric motor stator according to the third aspect, the outer periphery of the winding path of the crossover wire at the upper end of the overhang portion is chamfered in a tapered shape.
【００１８】[0018]
【発明の実施の形態】以下、本発明を画面に示す好適な
実施形態に基づいて詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on a preferred embodiment shown on a screen.
【００１９】図１（ａ）は本発明に係る電動機の固定子
の一実施形態を構成する絶縁枠３の斜視図であり、図１
（ｂ）はこの絶縁枠３を軸方向から見た拡大平面図であ
る。この実施形態は渡り線を引き入れるための切欠き６
が形成されたＸ部と、渡り線を引き出すための切欠き５
が形成されたＹ部に改良を加えたものである。ここで、
絶縁枠３は径方向内側に突出した６個の巻枠３Ｕ，３
Ｖ，３Ｗ，３Ｕ′，３Ｖ′，３Ｗ′を備え、それぞれ図
６に示した磁極２Ｕ，２Ｖ，２Ｗ，２Ｕ′，２Ｖ′，２
Ｗ′に嵌装される。このうち、Ｘ部においては、渡り線
の引き入れが行われる切欠き６の下底縁部の外側領域
に、円筒状外周面すなわち絶縁枠壁面１０よりも径方向
外側に張り出した張り出し部１１を設け、かつ、切欠き
の下底縁部を張り出し部の上端より所定寸法だけ掘り下
げて凹んだ壁面６ａが形成されており、Ｙ部において
は、渡り線の引き出しが行われる切欠き５の側縁部の外
側領域に、絶縁枠壁面１０よりも径方向外側に突出し、
上端面を渡り線の巻回経路とする突起１７を設けると共
に、突起を外れた周方向端に、突起の上端面より少なく
とも巻線の直径だけ深く掘り下げた径方向溝１８を設け
ている。以下、Ｘ部及びＹ部の詳細な構成を図２及び図
３を参照して説明する。FIG. 1A is a perspective view of an insulating frame 3 constituting one embodiment of a motor stator according to the present invention.
(B) is an enlarged plan view of the insulating frame 3 as viewed from the axial direction. This embodiment has a notch 6 for drawing a crossover.
X part formed with a notch and notch 5 for drawing out the crossover
Are obtained by improving the Y portion in which is formed. here,
The insulating frame 3 includes six winding frames 3U, 3 projecting radially inward.
V, 3W, 3U ', 3V', 3W ', respectively, and the magnetic poles 2U, 2V, 2W, 2U', 2V ', 2 shown in FIG.
W 'is fitted. Of these, in the X portion, a projecting portion 11 projecting radially outward from the cylindrical outer peripheral surface, that is, the insulating frame wall surface 10 is provided in the outer region of the lower bottom edge of the notch 6 into which the crossover wire is drawn. In addition, a wall surface 6a is formed in which the lower bottom edge of the notch is dug down by a predetermined dimension from the upper end of the overhanging portion to form a recessed wall surface. Outside of the insulating frame wall surface 10 in the radial direction,
A projection 17 having an upper end surface as a winding wire winding path is provided, and a radial groove 18 dug deeper than the upper end surface of the projection by at least the diameter of the winding is provided at a circumferential end outside the projection. Hereinafter, the detailed configurations of the X section and the Y section will be described with reference to FIGS.
【００２０】図２（ａ），（ｂ）はＸ部の拡大平面図及
び側面図であり、図２（ｃ），（ｄ）はその部分断面図
である。これら各図において、仕切壁９は円筒状外周面
すなわち絶縁枠壁面１０を有し、この仕切壁９の磁極２
Ｕ，２Ｖ′，２Ｗに対応する部位にそれぞれ切欠き６が
設けられている。この切欠き６の下底縁部の径方向外側
領域に、絶縁枠壁面１０よりも張り出した張り出し部１
１が設けられている。この張り出し部１１の上端面１１
ａは図面の左側に隣接する突起７の下端面よりも略線径
の分だけ低くなっている。また、この張り出し部１１の
上端の外側縁に沿って、深さが略線径に等しい周方向切
欠き１２が形成されている。この周方向切欠き１２を形
成したことによって張り出し部１１の上端に絶縁壁上端
面１１ａが形成され、周方向切欠き１２の底部に絶縁縁
下底面１１ｂが形成される。2 (a) and 2 (b) are an enlarged plan view and a side view of a portion X, and FIGS. 2 (c) and 2 (d) are partial sectional views thereof. In each of these drawings, a partition wall 9 has a cylindrical outer peripheral surface, that is, an insulating frame wall surface 10.
Notches 6 are provided at portions corresponding to U, 2V ', and 2W, respectively. In the radially outer region of the lower bottom edge of the notch 6, the overhang portion 1 that extends beyond the insulating frame wall surface 10.
1 is provided. Upper end surface 11 of this overhang portion 11
“a” is lower than the lower end surface of the protrusion 7 adjacent to the left side of the drawing by approximately the wire diameter. A circumferential notch 12 having a depth substantially equal to the wire diameter is formed along the outer edge of the upper end of the overhang portion 11. By forming the circumferential notch 12, an insulating wall upper end surface 11a is formed at the upper end of the overhang portion 11, and a lower insulating edge bottom surface 11b is formed at the bottom of the circumferential notch 12.
【００２１】また、周方向切欠き１２の径方向内側の切
欠き６の縁部が絶縁壁上端面１１ａよりも深く掘り下げ
られて、ここに、凹んだ壁面６ａが形成されている。な
お、切欠き６に対して図面の右側に隣接する突起７は、
その下部にテーパ面１４を有し、渡り線の軸方向位置を
定める案内面になっている。The edge of the notch 6 on the radially inner side of the circumferential notch 12 is dug deeper than the upper end surface 11a of the insulating wall to form a concave wall surface 6a. The protrusion 7 adjacent to the notch 6 on the right side of the drawing is
It has a tapered surface 14 at its lower part, and serves as a guide surface for determining the axial position of the crossover.
【００２２】この構成により、例えば、図面の左から右
に向かって巻回された渡り線を切欠き６内に引き入れる
とき、この渡り線は突起７の下端面に沿って、さらに絶
縁壁上端面１１ａに乗り上げて切欠き６の図面の左側の
縁に沿って引き入れられる。また、切欠き６の部位を巻
回経路とする渡り線は絶縁縁下底面１１ｂに乗り上げた
状態にて図面の右側に位置する突起７のテーパ面１４に
案内されてその位置決めが行われる。With this configuration, for example, when a crossover wound from left to right in the drawing is drawn into the notch 6, the crossover extends along the lower end surface of the projection 7 and further along the upper end surface of the insulating wall. 11a is pulled in along the left edge of the notch 6 in the drawing. In addition, the crossover having the notch 6 as a winding path is guided by the tapered surface 14 of the projection 7 located on the right side of the drawing while positioning on the bottom surface 11b under the insulating edge and positioned there.
【００２３】図３（ａ），（ｂ）はＹ部の拡大平面図及
び側面図であり、図３（ｃ），（ｄ），（ｅ）はその部
分断面図である。これら各図において、仕切壁９は円筒
状の外周面すなわち絶縁枠壁面１０を有し、この仕切壁
９の磁極２Ｖ，２Ｕ′２Ｗ′に対応する部位にそれぞれ
切欠き５が設けられている。この切欠き５の下底縁部及
び側縁部の径方向外側領域に、絶縁枠壁面１０よりも張
り出した張り出し部１５が設けられている。この張り出
し部１５の側縁部の上端は図面の左側に隣接する突起７
の下端面よりも略線径の分だけ低くなっている。なお、
図面の左側の縁部の張り出し部１５の上端はテーパ面１
４になっているが、図面の右側の縁部の張り出し部１５
の上端は径方向内側に向かって切り欠かれて、ここに平
坦な上端面１５ａが形成されている。そして、この張り
出し部１５の図面の右側の突起７との間に、上端面１５
ａよりも線径の分だけ掘り下げた底面１６ａを有する径
方向溝１６が形成されている。FIGS. 3A and 3B are an enlarged plan view and a side view of a portion Y, and FIGS. 3C, 3D and 3E are partial sectional views thereof. In each of these drawings, the partition wall 9 has a cylindrical outer peripheral surface, that is, an insulating frame wall surface 10, and a notch 5 is provided at a portion of the partition wall 9 corresponding to the magnetic poles 2V, 2U'2W '. In a radially outer region of the lower bottom edge portion and the side edge portion of the notch 5, a projecting portion 15 projecting from the insulating frame wall surface 10 is provided. The upper end of the side edge of the overhang portion 15 is a protrusion 7 adjacent to the left side of the drawing.
Is lower than that of the lower end surface by an amount substantially corresponding to the wire diameter. In addition,
The upper end of the overhang 15 on the left edge of the drawing is the tapered surface 1
4, but the overhang 15 at the right edge of the drawing.
Is cut out radially inward, and a flat upper end surface 15a is formed here. The upper end surface 15 is located between the overhang 15 and the protrusion 7 on the right side in the drawing.
A radial groove 16 having a bottom surface 16a dug down by the wire diameter from a is formed.
【００２４】この構成により、例えば、図面の左から右
に向かって渡り線が巻回されたとき、この渡り線は図面
の左側の張り出し部１５のテーパ面１４に案内されて突
起７の下端面に沿うようにして図面の右側の張り出し部
１５の上端面１５ａに乗り上げ、さらにその右側の突起
７のテーパ面１４に案内されて軸方向の位置決めがおこ
なわれる。一方、径方向溝１６は渡り線を引き出すため
のもので、その底面１６ａが張り出し部１５の上端面１
５ａよりも線径の分だけ深くなっているので、この径方
向溝１６の部分を途中の経路とする渡り線の下から径方
向外側に導出されて、これ以降、並行に巻回される。With this configuration, for example, when the crossover is wound from left to right in the drawing, the crossover is guided by the tapered surface 14 of the projecting portion 15 on the left side in the drawing, and Along the upper end surface 15a of the overhanging portion 15 on the right side of the drawing, and is guided by the tapered surface 14 of the projection 7 on the right side thereof to perform positioning in the axial direction. On the other hand, the radial groove 16 is for drawing out the crossover, and the bottom surface 16 a
Since the wire is deeper than the wire 5a by the wire diameter, the wire is led radially outward from below the crossover having the radial groove 16 as an intermediate path, and thereafter wound in parallel.
【００２５】図４（ａ）は上記の各切欠き構造を持つ絶
縁枠３を固定子鉄心１の端部に嵌装し、この絶縁枠３を
介して巻線Ｕ１，Ｕ２，Ｖ１，Ｖ２，Ｗ１，Ｗ２を装着
した平面図であり、図中、図８と同一の要素には同一の
符号を付してその説明を省略する。また、図４（ｂ），
（ｃ）はその側面図であり、さらに、図４（ｄ）〜
（ｈ）はその部分断面図である。FIG. 4 (a) shows an insulation frame 3 having the above-mentioned notch structures fitted to the end of the stator core 1 and windings U1, U2, V1, V2, FIG. 9 is a plan view in which W1 and W2 are mounted. In the figure, the same elements as those in FIG. 8 are denoted by the same reference numerals, and description thereof will be omitted. In addition, FIG.
(C) is a side view thereof, and FIGS.
(H) is a partial sectional view thereof.
【００２６】ここで、Ｕ相の渡り線４Ｕを引き入れる矢
印Ｆに示す部分に着目すると、張り出し部１１の上端面
１１ａを乗り越えて渡り線４Ｕが仕切壁９の内部に引き
入れられ、さらに、斜め下方に折り曲げられて磁極２Ｕ
に巻装される。この場合、張り出し部１１の上端面１１
ａを乗り越えた直後に斜め下方に折り曲げられることか
ら、従来の円筒状仕切壁９に形成された切欠きの下底面
に乗り上げた直後に斜め下方に折り曲げる場合と比較し
て渡り線４Ｕが巻線Ｕ１の巻終わり端部から離隔せしめ
られるため、絶縁性能が不十分であった従来装置の問題
点が解消される。また、渡り線４Ｖが張り出し部１１の
周方向切欠き１２に位置決めされるため、渡り線４Ｕと
４Ｖとが平行に引き回される。Here, paying attention to a portion indicated by an arrow F for drawing in the U-phase crossover line 4U, the crossover line 4U is pulled into the inside of the partition wall 9 over the upper end surface 11a of the overhang portion 11, and further obliquely downward. Folded into 2U magnetic pole
Wound around. In this case, the upper end surface 11 of the overhang portion 11
a, the crossover wire 4U has a winding compared to the case where the crossover wire 4U is bent diagonally downward immediately after riding on the lower bottom surface of the notch formed in the conventional cylindrical partition wall 9 immediately after riding over the a. Since it is separated from the end of the winding end of U1, the problem of the conventional device having insufficient insulation performance is solved. Also, since the crossover 4V is positioned in the circumferential notch 12 of the overhang portion 11, the crossovers 4U and 4V are routed in parallel.
【００２７】一方、巻線Ｖ１から引き出される矢印Ｅに
示す部分に着目すると、渡り線４Ｕが張り出し部１５の
上端面に沿って巻回されるのに対して、渡り線４Ｖは径
方向溝１６を通して渡り線４Ｕの下部に引き出され、こ
れ以降、渡り線４Ｕと４Ｖとが平行に引き回される。On the other hand, paying attention to the portion indicated by the arrow E drawn from the winding V1, the crossover 4U is wound along the upper end surface of the overhang portion 15, while the crossover 4V is Through the lower part of the crossover 4U, and thereafter, the crossovers 4U and 4V are routed in parallel.
【００２８】上述した切欠き５及び切欠き６の構成によ
り、仕切壁９の内部に引き入れられる渡り線は、この部
分を巻回途中とする他の渡り線の上から引き入れられ、
逆に、仕切壁９の外部に引き出される渡り線は、この部
分を巻回途中とする他の渡り線の下から引き出されるこ
ととなり、これら渡り線の整列操作が絶縁枠３の全周に
亘って繰り返されるため、図７（ｃ）を用いて説明した
ように、渡り線が交差する部位を圧着端子でカシメると
いう事態を未然に防止することができ、これにより渡り
線が圧着部で断線するという不良原因が除去される。With the configuration of the notch 5 and the notch 6 described above, the crossover drawn into the interior of the partition wall 9 is drawn in from above another crossover in the middle of this winding.
Conversely, the crossovers drawn out of the partition wall 9 are drawn out from under the other crossovers that are in the middle of winding this portion, and the alignment operation of these crossovers is performed over the entire circumference of the insulating frame 3. As described with reference to FIG. 7C, it is possible to prevent a situation where the crossovers intersect with each other with a crimping terminal, thereby preventing the crossovers from breaking at the crimping portion. Is eliminated.
【００２９】かくして、本実施形態によれば、渡り線か
ら連なる巻始め端の、巻線の終端部に対する絶縁性能を
高めることができ、また、渡り線を突起間に確実に固定
することができ、さらに、２本の渡り線が上下に交差す
ることがないため、中性点の圧着端子接続時に断線する
こともなくなる。Thus, according to the present embodiment, it is possible to enhance the insulation performance of the winding start end connected to the crossover wire with respect to the terminal end portion of the winding, and to securely fix the crossover wire between the projections. Furthermore, since the two crossover wires do not cross vertically, there is no breakage when the crimp terminal at the neutral point is connected.
【００３０】なお、上記実施形態では６個の磁極を持つ
固定子を対象として説明したが、本発明はこれに適用を
限定されるものではなく、磁極がより少ないものであっ
ても、あるいは、より多いものにも適用することができ
る。Although the above embodiment has been described with reference to a stator having six magnetic poles, the present invention is not limited to this application. It can be applied to more.
【００３１】また、上記実施形態では固定子鉄心１及び
絶縁枠３の仕切壁９が円筒状に形成されるものについて
説明したが、本発明に言う円筒状とは、多角形の角を丸
く面取りして略円筒状に成形したものを含めた意味で用
いている。In the above embodiment, the stator core 1 and the partition wall 9 of the insulating frame 3 are formed in a cylindrical shape. However, the cylindrical shape in the present invention means that the polygonal corners are rounded. The term is used to include a material formed into a substantially cylindrical shape.
【００３２】[0032]
【発明の効果】以上の説明によって明らかなように、本
発明によれば、絶縁不良や断線等、電気的な不良要因を
除去する構成により、信頼性を向上させることのできる
電動機の固定子が得られる。As is apparent from the above description, according to the present invention, there is provided a motor stator capable of improving reliability by a configuration for eliminating an electrical failure factor such as insulation failure or disconnection. can get.
【図１】本発明に係る電動機の固定子の一実施形態を構
成する絶縁枠の斜視図及びこの絶縁枠を軸方向から見た
拡大平面図。FIG. 1 is a perspective view of an insulating frame constituting an embodiment of a stator of a motor according to the present invention, and an enlarged plan view of the insulating frame as viewed from an axial direction.
【図２】図１に示した絶縁枠の部分拡大平面図及び側面
図、並びにその部分断面図。2 is a partially enlarged plan view and a side view of the insulating frame shown in FIG. 1, and a partial cross-sectional view thereof.
【図３】図１に示した絶縁枠の部分拡大平面図及び側面
図、並びにその部分断面図。FIG. 3 is a partially enlarged plan view and a side view of the insulating frame shown in FIG. 1, and a partial cross-sectional view thereof.
【図４】図１に示した絶縁枠に巻線を装着した平面図及
び部分側面図、並びにその部分断面図。FIG. 4 is a plan view, a partial side view, and a partial cross-sectional view in which a winding is mounted on the insulating frame shown in FIG. 1;
【図５】多相巻線を形成する電動機の固定子の巻線の結
線図。FIG. 5 is a wiring diagram of windings of a stator of a motor forming a multi-phase winding.
【図６】図５に示した巻線の固定子鉄心に対する巻回状
態及びその接続状態を説明するために、固定子鉄心を軸
方向から見た平面図。FIG. 6 is a plan view of the stator core viewed from an axial direction for explaining a winding state of the windings shown in FIG. 5 around the stator core and a connection state thereof;
【図７】図６に示した固定子鉄心に巻線を巻装した側面
図及びその部分拡大側面図。FIG. 7 is a side view in which a winding is wound around the stator core shown in FIG. 6 and a partially enlarged side view thereof.
【図８】図７に示した固定子鉄心をリード線配置端部を
軸方向から見た平面図及びその部分拡大平面図。FIG. 8 is a plan view of the stator core shown in FIG. 7 when the lead wire arrangement end is viewed from the axial direction, and a partially enlarged plan view thereof.
１ 固定子鉄心 ２Ｕ，２Ｖ，２Ｗ，２Ｕ′，２Ｖ′，２Ｗ′ 磁極 ３ 絶縁枠 ４Ｕ，４Ｖ，４Ｗ 渡り線 ５，６ 切欠き ６ａ 凹んだ壁面 ７，１７ 突起 ８ 圧着端子 ９ 仕切壁 １０ 絶縁枠壁面 １１ 張り出し部 １２ 周方向切欠き １４ テーパ面 １５ 張り出し部 １６ 径方向溝 Ｕ，Ｖ，Ｗ 入力端子 DESCRIPTION OF SYMBOLS 1 Stator iron core 2U, 2V, 2W, 2U ', 2V', 2W 'Magnetic pole 3 Insulating frame 4U, 4V, 4W Crossover 5, 6 Notch 6a Depressed wall surface 7, 17 Projection 8 Crimp terminal 9 Partition wall 10 Insulation Frame wall surface 11 Overhang portion 12 Circumferential notch 14 Tapered surface 15 Overhang portion 16 Radial groove U, V, W Input terminal
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川 村 清 隆 静岡県富士市蓼原336 東芝キヤリア株式 会社内 Ｆターム(参考） 5H002 AA07 AB01 5H604 AA05 BB01 BB14 CC01 CC05 CC15 CC16 PB03 PC01 QA01 QA04 QB03 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kiyotaka Kawamura 336 Tatehara, Fuji-shi, Shizuoka Toshiba Carrier Co., Ltd. F-term (reference)
Claims (4)
る複数の磁極を有する固定子鉄心と、 前記固定子鉄心の各端部に嵌装され、径方向の内、外側
を仕切るように軸方向に突出する円筒状の仕切壁を有
し、周方向で見た前記仕切壁の少なくとも一部の磁極位
置に切欠きが形成された絶縁枠と、 前記絶縁枠を介して前記磁極にそれぞれ巻装された巻線
を有し、前記切欠きを通して給電用のリード線を導出す
ると共に、同相の磁極に巻装された巻線どうしを接続す
る渡り線の引き出し、引き入れを行う固定子巻線と、 互いに異なる相の前記渡り線を接続する圧着端子と、を
備え、前記固定子鉄心の一方の端部に前記リード線を配
置し、前記固定子鉄心の他方の端部に前記渡り線を配置
し、かつ、一つの相の前記渡り線の巻回経路の途中の前
記切欠きから他の相の前記渡り線の引き入れ、引き出し
を行う電動機の固定子において、 前記渡り線の引き入れが行われる前記絶縁枠の切欠きの
下底縁部の外側領域に、円筒状外周面よりも径方向外側
に張り出した張り出し部を設け、かつ、前記切欠きの下
底縁部を前記張り出し部の上端より所定寸法だけ掘り下
げたことを特徴とする電動機の固定子。1. A stator core formed in a substantially cylindrical shape and having a plurality of magnetic poles protruding radially inward, and fitted to each end of the stator core to partition radially inside and outside. An insulating frame having a cylindrical partition wall protruding in the axial direction, a notch formed in at least a part of a magnetic pole position of the partition wall as viewed in the circumferential direction, and the magnetic pole through the insulating frame. A stator winding that has windings wound therearound, leads out a power supply lead wire through the notch, and pulls out and pulls in a crossover connecting the windings wound on the same-phase magnetic pole. And a crimp terminal for connecting the crossover wires of different phases to each other, wherein the lead wire is arranged at one end of the stator core, and the crossover wire is connected to the other end of the stator core. And in the winding path of the crossover of one phase In the stator of the motor for drawing in and pulling out the crossover wires of the other phase from the notch, in the outer region of the lower bottom edge of the cutout of the insulating frame in which the crossover wire is drawn in, the cylindrical outer peripheral surface. A stator protruding radially outward, and a lower bottom edge of the notch being dug down by a predetermined dimension from an upper end of the protrusion.
軸方向深さが略巻線の直径に等しい周方向切欠きを設け
たことを特徴とする請求項１に記載の電動機の固定子。2. An outer peripheral edge of an upper end of the overhang portion,
The stator for an electric motor according to claim 1, wherein a circumferential notch having an axial depth substantially equal to the diameter of the winding is provided.
る複数の磁極を有する固定子鉄心と、 前記固定子鉄心の各端部に嵌装され、径方向の内、外側
を仕切るように軸方向に突出する円筒状の仕切壁を有
し、周方向で見た前記仕切壁の少なくとも一部の磁極位
置に切欠きが形成された絶縁枠と、 前記絶縁枠を介して前記磁極にそれぞれ巻装された巻線
を有し、前記切欠きを通して給電用のリード線を導出す
ると共に、同相の磁極に巻装された巻線どうしを接続す
る渡り線の引き出し、引き入れを行う固定子巻線と、 互いに異なる相の前記渡り線を接続する圧着端子と、を
備え、前記固定子鉄心の一方の端部に前記リード線を配
置し、前記固定子鉄心の他方の端部に前記渡り線を配置
し、かつ、一つの相の前記渡り線の巻回経路の途中の前
記切欠きから他の相の前記渡り線の引き入れ、引き出し
を行う電動機の固定子において、前記渡り線の引き出し
が行われる前記絶縁枠の切欠きの少なくとも側縁部の外
側領域に、円筒状外周面よりも径方向外側に張り出し、
上端面を前記渡り線の巻回経路とする張り出し部を設け
ると共に、前記張り出し部を外れた周方向端に、前記張
り出し部の上端面よりも少なくとも巻線の直径だけ深く
掘り下げた径方向溝を設けたことを特徴とする電動機の
固定子。3. A stator core formed in a substantially cylindrical shape and having a plurality of magnetic poles projecting radially inward, and fitted to each end of the stator core to partition radially inside and outside. An insulating frame having a cylindrical partition wall protruding in the axial direction, a notch formed in at least a part of a magnetic pole position of the partition wall as viewed in the circumferential direction, and the magnetic pole through the insulating frame. A stator winding that has windings wound therearound, leads out a power supply lead wire through the notch, and pulls out and pulls in a crossover connecting the windings wound on the same-phase magnetic pole. And a crimp terminal for connecting the crossover wires of different phases to each other, wherein the lead wire is arranged at one end of the stator core, and the crossover wire is connected to the other end of the stator core. And in the winding path of the crossover of one phase In the stator of the motor for drawing in and pulling out the crossover wires of the other phase from the notch, at least in the outer region of the side edge of the cutout of the insulating frame from which the crossover wire is drawn out, from the cylindrical outer peripheral surface. Also protrude radially outward,
A projecting portion having an upper end surface as a winding path of the crossover is provided, and a radial groove dug deeper by at least the diameter of the winding than the upper end surface of the projecting portion is provided at a circumferential end off the projecting portion. A stator for an electric motor, wherein the stator is provided.
経路より外側の周縁をテーパ状に面取りしたことを特徴
とする請求項３に記載の電動機の固定子。4. The stator for an electric motor according to claim 3, wherein an outer edge of the upper end of the overhang portion outside a winding path of the crossover wire is chamfered in a tapered shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27658599A JP4147291B2 (en) | 1999-09-29 | 1999-09-29 | Electric motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27658599A JP4147291B2 (en) | 1999-09-29 | 1999-09-29 | Electric motor stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001103699A true JP2001103699A (en) | 2001-04-13 |
| JP4147291B2 JP4147291B2 (en) | 2008-09-10 |
Family
ID=17571520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27658599A Expired - Lifetime JP4147291B2 (en) | 1999-09-29 | 1999-09-29 | Electric motor stator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4147291B2 (en) |
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|---|---|---|---|---|
| JP2002218689A (en) * | 2001-01-18 | 2002-08-02 | Denso Corp | Lead-out wire structure for phase parallel u-shape conductor sequentially connected y winding |
| WO2003021746A1 (en) * | 2001-08-31 | 2003-03-13 | Mitsubishi Denki Kabushiki Kaisha | Bobbin for motor |
| JP2003230257A (en) * | 2001-11-30 | 2003-08-15 | Sanko Kiki Co Ltd | Winding method for stator core |
| US7116023B2 (en) * | 2004-03-23 | 2006-10-03 | Emerson Electric Co. | End cap for interconnecting winding coils of a segmented stator to reduce phase-on-phase conditions and associated methods |
| US7382075B2 (en) | 2004-03-23 | 2008-06-03 | Emerson Electric Co. | End cap for segmented stator |
| JP2012125057A (en) * | 2010-12-08 | 2012-06-28 | Mitsubishi Electric Corp | Coil bobbin of stator of rotary electric machine, and winding method for stator of rotary electric machine using the coil bobbin |
| JP2015146689A (en) * | 2014-02-03 | 2015-08-13 | 株式会社安川電機 | Insulator and rotary electric machine |
| WO2019082667A1 (en) * | 2017-10-27 | 2019-05-02 | 日本電産株式会社 | Stator and motor |
| CN112117853A (en) * | 2019-06-19 | 2020-12-22 | 尼得科电机（青岛）有限公司 | Stator assembly of motor, manufacturing method thereof and stator of motor |
| WO2024140464A1 (en) * | 2022-12-30 | 2024-07-04 | 南京泉峰科技有限公司 | Electric tool and electric motor |
-
1999
- 1999-09-29 JP JP27658599A patent/JP4147291B2/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002218689A (en) * | 2001-01-18 | 2002-08-02 | Denso Corp | Lead-out wire structure for phase parallel u-shape conductor sequentially connected y winding |
| WO2003021746A1 (en) * | 2001-08-31 | 2003-03-13 | Mitsubishi Denki Kabushiki Kaisha | Bobbin for motor |
| JP2003230257A (en) * | 2001-11-30 | 2003-08-15 | Sanko Kiki Co Ltd | Winding method for stator core |
| US7116023B2 (en) * | 2004-03-23 | 2006-10-03 | Emerson Electric Co. | End cap for interconnecting winding coils of a segmented stator to reduce phase-on-phase conditions and associated methods |
| US7382075B2 (en) | 2004-03-23 | 2008-06-03 | Emerson Electric Co. | End cap for segmented stator |
| US7414347B2 (en) | 2004-03-23 | 2008-08-19 | Emerson Electric Co. | End cap for segmented stator |
| US7578047B2 (en) | 2004-03-23 | 2009-08-25 | Emerson Electric Co. | Methods of stitching interconnecting wires on a stator to reduce phase-on-phase conditions |
| US7586231B2 (en) | 2004-03-23 | 2009-09-08 | Emerson Electric Co. | End cap for segmented stator |
| JP2012125057A (en) * | 2010-12-08 | 2012-06-28 | Mitsubishi Electric Corp | Coil bobbin of stator of rotary electric machine, and winding method for stator of rotary electric machine using the coil bobbin |
| JP2015146689A (en) * | 2014-02-03 | 2015-08-13 | 株式会社安川電機 | Insulator and rotary electric machine |
| WO2019082667A1 (en) * | 2017-10-27 | 2019-05-02 | 日本電産株式会社 | Stator and motor |
| CN111247722A (en) * | 2017-10-27 | 2020-06-05 | 日本电产株式会社 | Stator and motor |
| CN111247722B (en) * | 2017-10-27 | 2022-07-01 | 日本电产株式会社 | Stator and motor |
| CN112117853A (en) * | 2019-06-19 | 2020-12-22 | 尼得科电机（青岛）有限公司 | Stator assembly of motor, manufacturing method thereof and stator of motor |
| CN112117853B (en) * | 2019-06-19 | 2022-05-06 | 尼得科电机（青岛）有限公司 | Stator assembly of motor, manufacturing method thereof and stator of motor |
| WO2024140464A1 (en) * | 2022-12-30 | 2024-07-04 | 南京泉峰科技有限公司 | Electric tool and electric motor |
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| JP4147291B2 (en) | 2008-09-10 |
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