JP2003153478A - Stator for rotating electric machine and its manufacturing method - Google Patents
Stator for rotating electric machine and its manufacturing methodInfo
- Publication number
- JP2003153478A JP2003153478A JP2001342604A JP2001342604A JP2003153478A JP 2003153478 A JP2003153478 A JP 2003153478A JP 2001342604 A JP2001342604 A JP 2001342604A JP 2001342604 A JP2001342604 A JP 2001342604A JP 2003153478 A JP2003153478 A JP 2003153478A
- Authority
- JP
- Japan
- Prior art keywords
- slots
- coil
- slot
- stator
- electric machine
- 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
- Windings For Motors And Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、スロット幅より
スロットの開口幅が狭く形成された鉄心のスロット内
に、コイルが占積率よく装着された回転電機の固定子お
よびその製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stator of a rotary electric machine in which a coil is mounted at a high space factor in a slot of an iron core having a slot opening width narrower than a slot width, and a manufacturing method thereof. is there.
【０００２】[0002]
【従来の技術】近年、省エネのため効率の良いモータが
市場から求められており、一般に鉄心のスロット内に装
着されるコイルの密度、すなわち占積率を向上させるこ
とでモータの効率の向上が図られている。そして、上記
のようなコイルの占積率を向上させるために、図示はし
ないが例えば特開平１０−２７１７３３号公報では、予
めスロット外でスロットの断面に応じた断面の束に整列
巻きされたコイルを、その形状を保持した状態でスロッ
トの幅と同じ幅の開口側から半径方向に挿入して装着す
ることが開示されている。2. Description of the Related Art In recent years, there has been a demand from the market for efficient motors for energy saving. Generally, the efficiency of motors can be improved by improving the density of coils installed in the slots of the iron core, that is, the space factor. Has been planned. In order to improve the space factor of the coil as described above, although not shown, for example, in Japanese Unexamined Patent Publication No. 10-271733, a coil which is preliminarily wound in a bundle outside the slot in a bundle having a cross section corresponding to the cross section of the slot. It is disclosed that, while keeping its shape, it is inserted by being radially inserted from the opening side having the same width as the width of the slot.
【０００３】[0003]
【発明が解決しようとする課題】従来の回転電機の固定
子は以上のように、予めスロット外でスロットの断面に
応じた断面の束に整列巻きされたコイルを、その形状を
保持した状態でスロットの幅と同じ幅の開口側から半径
方向に挿入して装着することにより、コイルの占積率の
向上が図られている。しかしながら、スロットの開口部
の幅が大きいと、空隙部における磁気抵抗が増大し、誘
導電動機等では励磁電流の増大、永久磁石式電動機では
有効磁束の減少を招き、さらに、磁気的な凹、凸が大き
くなることからスロット高調波が増大して、回転子、固
定子に発生する高調波損失が増大し、さらに加えて、サ
ーボモータ等においてはコギングの増大につながり、位
置決め時の制御性が低下する等、種々の問題点が生じ
る。As described above, the stator of the conventional rotary electric machine has the coil, which is preliminarily aligned and wound outside the slot in a bundle having a cross section corresponding to the cross section of the slot, in a state where the shape is maintained. The space factor of the coil is improved by inserting and mounting in the radial direction from the opening side having the same width as the slot width. However, if the width of the opening of the slot is large, the magnetic resistance in the air gap increases, which causes an increase in the exciting current in an induction motor or the like and a decrease in the effective magnetic flux in a permanent magnet type motor. As a result, the slot harmonics increase, the harmonic loss generated in the rotor and stator increases, and in addition, cogging increases in the servo motor, etc., and the controllability during positioning deteriorates. Various problems occur.
【０００４】このため、磁極テイース部の先端を周方向
両側に突出させることにより、スロットの開口部の幅を
スロットの幅より狭くした鉄心を用いることになるが、
この場合、上記のように予めスロット外でスロットの断
面に応じた断面の束に整列巻きされたコイルを、そのま
まスロットの開口部側から半径方向に挿入させることが
できなくなるため、コイルの占積率を高めてモータの効
率を向上させることが困難になるという問題点があっ
た。For this reason, an iron core is used in which the width of the opening of the slot is made narrower than that of the slot by projecting the tips of the magnetic pole teeth to both sides in the circumferential direction.
In this case, as described above, it is not possible to insert the coil, which is preliminarily aligned and wound into a bundle having a cross section corresponding to the cross section of the slot outside the slot, from the slot opening side in the radial direction as it is. There is a problem that it is difficult to increase the efficiency and improve the efficiency of the motor.
【０００５】この発明は上記のような問題点を解消する
ためになされたもので、スロットの開口部の幅がスロッ
トの幅より狭く形成された鉄心においても、コイルの占
積率を高めモータの効率を向上させることが可能な回転
電機の固定子およびその製造方法を提供することを目的
とするものである。The present invention has been made in order to solve the above-mentioned problems. Even in an iron core in which the width of the opening of the slot is narrower than the width of the slot, the space factor of the coil is increased to improve the motor space. An object of the present invention is to provide a stator of a rotating electric machine that can improve efficiency and a manufacturing method thereof.
【０００６】[0006]
【課題を解決するための手段】この発明の請求項１に係
る回転電機の固定子は、内周面に所定の間隔を介して形
成されるスロットの幅よりスロットの開口部の幅が狭く
形成された鉄心と、巻回され、少なくとも対応する一対
のスロットにそれぞれ装着される第１および第２の辺部
が、整列巻きされて両スロット内に嵌挿可能な厚さに積
層され、第１および第２の辺部の一端側に連なる第３の
辺部が、第１および第２の辺部の延在方向にずれて積層
方向の厚さがスロットの開口部の幅より小さく積層され
て形成された複数のコイル組合体を、第３の辺部をスロ
ットの開口部を通過させることにより第１および第２の
辺部を両スロット内に順次装着して形成されるコイルと
を備えたものである。According to a first aspect of the present invention, there is provided a stator for a rotary electric machine in which a width of an opening portion of a slot is narrower than a width of a slot formed on an inner peripheral surface with a predetermined interval. The wound iron core and the first and second side parts that are wound and are respectively mounted in at least a pair of corresponding slots are aligned-wound and laminated to a thickness that can be inserted into both slots, And the third side portion connected to the one end side of the second side portion is shifted in the extending direction of the first and second side portions so that the thickness in the stacking direction is smaller than the width of the opening of the slot. And a coil formed by sequentially mounting the first and second sides into both slots by passing the third side through the opening of the slot. It is a thing.
【０００７】又、この発明の請求項２に係る回転電機の
固定子は、請求項１において、線材の少なくともスロッ
トにそれぞれ装着される第１および第２の辺部に位置す
る部位の積層方向に隣接する当接面同士を偏平状に成形
したものである。According to a second aspect of the present invention, there is provided a stator for a rotary electric machine according to the first aspect, wherein a portion of the wire rod which is mounted on at least the slot is located in the first and second sides, respectively, in a laminating direction. Adjacent contact surfaces are formed into a flat shape.
【０００８】又、この発明の請求項３に係る回転電機の
固定子の製造方法は、矩形状に巻回し、内周面に所定の
間隔を介して形成されるスロットの幅よりスロットの開
口部の幅が狭く形成された鉄心の少なくとも対応する一
対のスロットにそれぞれ装着される第１および第２の辺
部を整列巻きして両スロット内に嵌挿可能な厚さに、第
１および第２の辺部の各一端側に連なる第３の辺部を第
１および第２の辺部の延在方向にずらして、積層方向の
厚さがスロットの開口部の幅より小さな厚さにそれぞれ
積層して複数のコイル組合体を形成する工程と、コイル
組合体の姿勢を保持する工程と、各コイル組合体を鉄心
の一端側から接近させて第３の辺部を両スロットの開口
部を通過させるとともに、鉄心の一端側から他端側に移
動させることにより第１および第２の辺部を両スロット
内に導きそれぞれ装着する工程とを包含するものであ
る。Further, according to a third aspect of the present invention, there is provided a method for manufacturing a stator of a rotating electric machine, wherein the stator is wound in a rectangular shape and the opening portion of the slot is formed from the width of the slot formed on the inner peripheral surface with a predetermined interval. Of the iron core having a narrow width, the first and second side portions that are respectively mounted in at least a pair of corresponding slots of the iron core are aligned and wound to have a thickness that can be inserted into both slots. The third side portion connected to each one end side of the side portion is shifted in the extending direction of the first and second side portions so that the thickness in the stacking direction is smaller than the width of the opening of the slot. Forming a plurality of coil combinations, maintaining the posture of the coil combinations, and bringing each coil combination close to one end of the iron core and passing the third side through the openings of both slots. And move the iron core from one end to the other. It is intended to include a step of mounting each guide the first and second side portions in both slots.
【０００９】又、この発明の請求項４に係る回転電機の
固定子の製造方法は、請求項３において、線材の少なく
ともスロットにそれぞれ装着される第１および第２の辺
部に位置する部位の積層方向に隣接する当接面同士を偏
平状に成形して整列巻きするようにしたものである。According to a fourth aspect of the present invention, there is provided a method of manufacturing a stator of a rotary electric machine according to the third aspect, wherein the portions located at the first and second side portions that are respectively attached to at least the slots of the wire rod. The contact surfaces that are adjacent to each other in the stacking direction are formed into a flat shape and are wound in an array.
【００１０】又、この発明の請求項５に係る回転電機の
固定子の製造方法は、請求項３または４において、コイ
ル組合体の姿勢を周囲を樹脂で固めることにより保持す
るようにしたものである。According to a fifth aspect of the present invention, there is provided a method for manufacturing a stator of a rotary electric machine according to the third or fourth aspect, wherein the posture of the coil combination is held by solidifying the periphery with resin. is there.
【００１１】又、この発明の請求項６に係る回転電機の
固定子の製造方法は、請求項３ないし５のいずれかにお
いて、各コイル組合体の第３の辺部を成形して出っ張り
を抑制する工程を包含したものである。According to a sixth aspect of the present invention, there is provided a method for manufacturing a stator of a rotary electric machine according to any one of the third to fifth aspects, wherein the third side portion of each coil assembly is formed to suppress protrusion. It includes the steps of:
【００１２】[0012]
【発明の実施の形態】以下、この発明の実施の形態を図
に基づいて説明する。
実施の形態１．図１はこの発明の実施の形態１における
回転電機の固定子の構成を示し、（Ａ）は正面断面図、
（Ｂ）は部分詳細図、図２は図１におけるコイル組合体
の構成を示す斜視図、図３は図２におけるコイル組合体
が鉄心に装着された状態を示す正面図、図４は図３にお
けるコイル組合体の鉄心への装着手順を示し、（Ａ）は
装着前の斜視図、（Ｂ）は装着後の斜視図、図５ないし
図１３は図１における回転電機の固定子の製造の各工程
を示す図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1. 1 shows a structure of a stator of a rotary electric machine according to Embodiment 1 of the present invention, (A) is a front sectional view,
(B) is a partial detailed view, FIG. 2 is a perspective view showing the configuration of the coil combination in FIG. 1, FIG. 3 is a front view showing a state in which the coil combination in FIG. 2 is mounted on an iron core, and FIG. 4 is FIG. Fig. 5 shows a procedure for mounting the coil combination on the iron core in Fig. 5, (A) is a perspective view before mounting, (B) is a perspective view after mounting, and Figs. 5 to 13 are views for manufacturing the stator of the rotating electric machine in Fig. 1. It is a figure which shows each process.
【００１３】図において、１は円筒状を有する鉄心で、
内周面に所定の間隔を介して突出し先端が両側に出っ張
った複数の磁極テイース部１ａが形成されており、これ
ら各磁極テイース部１ａ間には、開口部の幅ω１がその
幅ω２より狭いスロット１ｂがそれぞれ形成されてい
る。２は線材３が矩形状に巻回されたコイル組合体で、
所定のスロット１ｂとこれからｎ個離れた位置のスロッ
ト１ｂに装着される第１および第２の辺部２ａ、２ｂは
整列巻きされてスロット１ｂ内に嵌挿可能な厚さに積層
され、これら第１および第２の辺部２ａ、２ｂの一端側
に連なる第３の辺部２ｃは、各線材３が第１および第２
の辺部２ａ、２ｂの延在方向にずれて、積層方向の厚さ
ｔが鉄心１のスロット１ｂの開口部の幅ω１より小さく
積層され、第１および第２の辺部２ａ、２ｂの他端側に
連なる第４の辺部２ｄは、鉄心１の形状に沿った弧状に
積層されている。そして、このコイル組合体３が、ｎ個
ずつ離れた一対のスロット１ｂ内に、第１および第２の
辺部２ａ、２ｂが装着されコイル４が構成されている。In the drawing, 1 is a cylindrical iron core,
Projecting tip on the inner peripheral surface with a predetermined distance are formed a plurality of magnetic pole Teisu portion 1a which protrudes on both sides, between respective magnetic poles Teisu portion 1a, the width omega 1 is the width omega 2 of the opening The narrower slots 1b are each formed. 2 is a coil combination in which the wire 3 is wound in a rectangular shape,
The predetermined slot 1b and the first and second side portions 2a and 2b mounted in the slot 1b at a position n away from the predetermined slot 1b are aligned and wound to be laminated to a thickness that can be inserted into the slot 1b. In the third side portion 2c connected to one end side of the first and second side portions 2a and 2b, each wire rod 3 has the first and second sides.
Of the first and second side portions 2a and 2b are stacked such that the thickness t in the laminating direction is smaller than the width ω 1 of the opening of the slot 1b of the iron core 1 while being displaced in the extending direction of the side portions 2a and 2b. The fourth side portion 2d connected to the other end side is laminated in an arc shape following the shape of the iron core 1. The coil combination 3 has a pair of slots 1b separated by n pieces, and the first and second side portions 2a and 2b are attached to form a coil 4.
【００１４】次に、上記のように構成される実施の形態
１における回転電機の固定子の製造方法を図に基づいて
説明する。まず、図２に示すように線材３を矩形状に巻
回し、スロット１ｂに装着される第１および第２の辺部
２ａ、２ｂは、整列巻きとして、スロット１ｂ内に嵌挿
可能な厚さに積層し、第１および第２の辺部２ａ、２ｂ
の一端側に連なる第３の辺部２ｃは、各線材３を第１お
よび第２の辺部２ａ、２ｂの延在方向にずらして一列に
積層し、第１および第２の辺部２ａ、２ｂの他端側に連
なる第４の辺部２ｄは、鉄心１の形状に沿った弧状に積
層することにより複数のコイル組合体２を形成する。Next, a method of manufacturing the stator of the rotary electric machine according to the first embodiment having the above-described structure will be described with reference to the drawings. First, as shown in FIG. 2, the wire 3 is wound in a rectangular shape, and the first and second side portions 2a and 2b mounted in the slot 1b are aligned windings and have a thickness that can be fitted and inserted into the slot 1b. The first and second side portions 2a, 2b
The third side portion 2c connected to the one end side of the first side portion 2c is formed by stacking the respective wire rods 3 in a line by shifting the wire rods 3 in the extending direction of the first and second side portions 2a and 2b. The fourth side portion 2d connected to the other end side of 2b forms a plurality of coil combinations 2 by being stacked in an arc shape along the shape of the iron core 1.
【００１５】次に、図５に示すようにコイル組合体２の
第１および第２の辺部２ａ、２ｂの両端近傍を、一対の
コイル保持部材５、６で保持してコイル挿入治具７の上
方に位置させる。そして、図６に示すようにワイヤガイ
ドブレード７ａに沿って下降させストリッパ７ｂで受け
ることによりコイル挿入治具７に保持させる。次いで、
図７に示すようにコイル挿入治具７を鉄心１の下方に、
そのワイヤガイドブレード７ａの先端が鉄心１の内側と
対応するように位置させ、図８に示すようにコイル挿入
治具７を上昇させることにより、ワイヤガイドブレード
７ａを鉄心１の内周面に沿って移動させ内側を貫通させ
る。なお、この時、鉄心１とコイル組合体２との関係は
図４（Ａ）に示すような状態になっている。Next, as shown in FIG. 5, a pair of coil holding members 5 and 6 hold the vicinity of both ends of the first and second side portions 2a and 2b of the coil assembly 2 to hold the coil insertion jig 7. Position above. Then, as shown in FIG. 6, it is lowered along the wire guide blade 7a and received by the stripper 7b to be held by the coil insertion jig 7. Then
As shown in FIG. 7, place the coil insertion jig 7 below the iron core 1,
The tip of the wire guide blade 7a is positioned so as to correspond to the inside of the iron core 1, and the coil insertion jig 7 is raised as shown in FIG. 8 to move the wire guide blade 7a along the inner peripheral surface of the iron core 1. Move it to penetrate the inside. At this time, the relationship between the iron core 1 and the coil combination 2 is as shown in FIG. 4 (A).
【００１６】次に、図９に示すようにワイヤガイドブレ
ード７ａはそのままの状態で、ストリッパ７ｂを上昇さ
せることによりコイル組合体２をワイヤガイドブレード
７ａに沿って上方に移動させ、鉄心１の下部に配置され
コイル組合体２をスロット１ｂ内に導くコイル案内部材
８により、まず第３の辺部２ｃをスロット１ｂの開口部
を図４（Ａ）中矢印で示す方向に通過させ、さらにコイ
ル組合体２を上方に移動させることにより、図１０に示
すように第３の辺部２ｃに連なる第１および第２の辺部
２ａ、２ｂをスロット１ｂ内に導き、両辺部２ａ、２ｂ
の全領域がスロット１ｂ内に嵌挿される位置で、ストリ
ッパ７ｂの上昇を停止させることにより、鉄心１とコイ
ル組合体２との関係を図４（Ｂ）に示す状態とする。な
お、コイル保持部材５は図９に示す状態で、又、コイル
保持部材５およびコイル案内部材８は図１０に示す状態
で、それぞれコイル組合体２との係合を解いて図中矢印
で示すように外側へ移動して待機する。Next, as shown in FIG. 9, with the wire guide blade 7a kept as it is, the stripper 7b is moved up to move the coil assembly 2 upward along the wire guide blade 7a, so that the lower part of the iron core 1 is lowered. First, the third side portion 2c is passed through the opening of the slot 1b in the direction indicated by the arrow in FIG. 4 (A) by the coil guide member 8 disposed in the slot 1b and guiding the coil combination 2 into the slot 1b. By moving the body 2 upward, as shown in FIG. 10, the first and second side portions 2a and 2b connected to the third side portion 2c are guided into the slot 1b, and both side portions 2a and 2b are guided.
When the stripper 7b is stopped from moving upward at a position where the entire region of (1) is inserted into the slot 1b, the relationship between the iron core 1 and the coil assembly 2 is brought into the state shown in FIG. 4 (B). The coil holding member 5 is in the state shown in FIG. 9, and the coil holding member 5 and the coil guide member 8 are in the state shown in FIG. Move to the outside and wait.
【００１７】次に、図１１に示すような成形部材９を上
方に配置し、図示はしないがワイヤガイドブレード７ａ
をストリッパ７ｂの上面より下方に待避させた後、図１
２に示すように成形部材９を下降させ第３の辺部２ｃを
上方から押しつぶすことにより、図１３に示すように第
３の辺部２ｃを第４の辺部２ｄと同様の形状に成形す
る。以下、上記と同様の動作を繰り返すことにより、所
定の数のコイル組合体２をｎ個ずつ離れた一対のスロッ
ト１ｂ内に順次挿入し、全てのスロット１ｂ内にコイル
組合体２が装着されてコイル４が構成され、鉄心１と共
に回転電機の固定子１０が完成する。Next, a molding member 9 as shown in FIG. 11 is placed above, and although not shown, the wire guide blade 7a.
1 is retracted below the upper surface of the stripper 7b, and
As shown in FIG. 2, the molding member 9 is lowered and the third side portion 2c is crushed from above to form the third side portion 2c into the same shape as the fourth side portion 2d as shown in FIG. . Thereafter, by repeating the same operation as described above, a predetermined number of coil combinations 2 are sequentially inserted into a pair of slots 1b separated by n, and the coil combinations 2 are mounted in all the slots 1b. The coil 4 is configured, and the stator 10 of the rotating electric machine is completed together with the iron core 1.
【００１８】このように上記実施の形態１によれば、線
材３が矩形状に巻回され、所定のスロット１ｂとこれか
らｎ個離れた位置のスロット１ｂに装着される第１およ
び第２の辺部２ａ、２ｂを、整列巻きしてスロット１ｂ
内に嵌挿可能な厚さに積層し、これら第１および第２の
辺部２ａ、２ｂの一端側に連なる第３の辺部２ｃを、各
線材３が第１および第２の辺部２ａ、２ｂの延在方向に
ずれるように一列に積層し、第１および第２の辺部２
ａ、２ｂの他端側に連なる第４の辺部２ｄを、鉄心１の
形状に沿った弧状に形成することにより複数のコイル組
合体２を構成し、コイル組合体２の姿勢を保持して鉄心
１の一端側から接近させ、第３の辺部２ｃを両スロット
１ｂの開口部を通過させるとともに、さらに一端側から
他端側に移動させることにより、第１および第２の辺部
２ａ、２ｂを両スロット１ｂ内に導いて装着するように
しているので、開口部の幅がスロット１ｂの幅より狭く
形成された鉄心１においても、第１および第２の辺部２
ａ、２ｂが整列巻きされたコイル組合体２をスロット１
ｂ内に装着することができるため、コイル４の占積率を
高めモータの効率を向上させることが可能になる。As described above, according to the first embodiment, the wire 3 is wound in a rectangular shape, and the first and second sides are attached to the predetermined slot 1b and the slots 1b located n positions away from the predetermined slot 1b. The parts 2a and 2b are aligned and wound to form a slot 1b.
Each wire rod 3 has a third side portion 2c that is laminated to a thickness that can be inserted therein and that is connected to one end side of the first and second side portions 2a and 2b. 2b are stacked in a line so as to be displaced in the extending direction of 2b, and the first and second side portions 2 are formed.
By forming a fourth side portion 2d connected to the other end side of a and 2b in an arc shape along the shape of the iron core 1, a plurality of coil combinations 2 are configured, and the posture of the coil combinations 2 is maintained. By approaching the iron core 1 from one end side and passing the third side part 2c through the openings of both slots 1b, and further moving from the one end side to the other end side, the first and second side parts 2a, 2b is guided into both slots 1b to be mounted, so that even in the iron core 1 in which the width of the opening is narrower than the width of the slot 1b, the first and second side portions 2 are formed.
The coil assembly 2 in which a and 2b are aligned and wound is slot 1
Since it can be mounted inside b, the space factor of the coil 4 can be increased and the efficiency of the motor can be improved.
【００１９】なお、上記構成では、コイル組合体２の第
３の辺部２ｃを、各線材３が第１および第２の辺部２
ａ、２ｂの延在方向にずれるように一列に積層している
が、勿論これに限定されるものではなく、要するに図２
中ｔで示す部分をスロット１ｂの開口部の幅ω１より小
さな厚さに積層して、第３の辺部２ｃが開口部を通過で
きるようにすれば良く、上記と同様の効果を得ることが
できる。又、コイル組合体２の姿勢を両コイル保持部材
５、６で保持して、鉄心１に装着するようにしている
が、接着等で固定して姿勢を保持するようにしても良
く、さらに又、樹脂で固めて姿勢を保持するようにすれ
ば、別にスロット絶縁を施す必要がなく、コストの低減
を図ることができる。さらに又、コイル組合体２の第３
の辺部２ｃを、成形部材９により押しつぶして成形する
ことにより小形化が可能になる。In the above structure, the wire assembly 3 has the first and second side portions 2c of the third side portion 2c.
Although they are stacked in a line so as to be displaced in the extending direction of a and 2b, of course, the present invention is not limited to this and, in short, is shown in FIG.
It suffices to stack the portion indicated by middle t to a thickness smaller than the width ω 1 of the opening portion of the slot 1b so that the third side portion 2c can pass through the opening portion, and the same effect as the above can be obtained. You can Further, the coil combination 2 is held by the coil holding members 5 and 6 and mounted on the iron core 1, but the coil combination 2 may be fixed by adhesion or the like to hold the position. By solidifying with resin to maintain the posture, it is not necessary to separately provide slot insulation, and the cost can be reduced. Furthermore, the third of the coil combination 2
It is possible to reduce the size of the side portion 2c by crushing and molding the side portion 2c by the molding member 9.
【００２０】実施の形態２．図１４はこの発明の実施の
形態２における回転電機の固定子の要部の構成を示す断
面図である。図において、上記実施の形態１におけると
同様な部分は同一符号を付して説明を省略する。１１は
図示はしないが上記実施の形態１におけるコイル組合体
２と同様に第１ないし第３の辺部を有するコイル組合体
で、第１および第２の辺部１１ａ、１１ｂに位置する部
位が、少なくとも積層方向に隣接する当接面同士が偏平
状に成形されて整列巻きされている。Embodiment 2. FIG. 14 is a sectional view showing a configuration of a main part of a stator of a rotary electric machine according to Embodiment 2 of the present invention. In the figure, the same parts as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. Although not shown, 11 is a coil combination having first to third side portions similar to the coil combination 2 in the first embodiment, and the portions located on the first and second side portions 11a and 11b are At least contact surfaces adjacent to each other in the stacking direction are flatly formed and aligned and wound.
【００２１】このように上記実施の形態２によれば、コ
イル組合体１１の第１および第２の辺部１１ａ、１１ｂ
に位置する部位の少なくとも積層方向に隣接する当接面
同士を偏平状に成形して整列巻きするようにしているの
で、整列が容易となりさらに占積率を高め、モータの効
率を向上させることが可能になる。なお、上記構成で
は、偏平状に成形する部位を第１および第２の辺部１１
ａ、１１ｂとしたが、第１ないし第４の辺部全ての部位
を偏平状に成形しても良いことは言うまでもない。又、
上記各実施の形態１、２では、１つのスロットに１組の
コイル組合体が挿入された場合について説明したが、こ
れに限定されるものではなく、複数個のコイル組合体を
積重して挿入するものに適用しても、同様の効果を発揮
し得ることは言うまでもない。As described above, according to the second embodiment, the first and second side portions 11a and 11b of the coil assembly 11 are provided.
Since at least the contact surfaces adjacent to each other in the stacking direction of the portion located at are formed to be flat and wound in an aligned manner, the alignment can be facilitated and the space factor can be further increased to improve the motor efficiency. It will be possible. In addition, in the above-mentioned structure, the portion to be flattened is formed into the first and second side portions 11.
Although a and 11b are used, it goes without saying that all the first to fourth side portions may be formed into a flat shape. or,
In each of the first and second embodiments described above, the case where one set of coil combinations is inserted into one slot has been described, but the present invention is not limited to this, and a plurality of coil combinations may be stacked. It goes without saying that the same effect can be exerted even when applied to the one to be inserted.
【００２２】[0022]
【発明の効果】以上のように、この発明の請求項１によ
れば、内周面に所定の間隔を介して形成されるスロット
の幅よりスロットの開口部の幅が狭く形成された鉄心
と、巻回され、少なくとも対応する一対のスロットにそ
れぞれ装着される第１および第２の辺部が、整列巻きさ
れて両スロット内に嵌挿可能な厚さに積層され、第１お
よび第２の辺部の一端側に連なる第３の辺部が、第１お
よび第２の辺部の延在方向にずれて積層方向の厚さがス
ロットの開口部の幅より小さく積層されて形成された複
数のコイル組合体を、第３の辺部をスロットの開口部を
通過させることにより第１および第２の辺部を両スロッ
ト内に順次装着して形成されるコイルとを備えたので、
コイルの占積率を高め効率の向上を図ることが可能な回
転電機の固定子を提供することができる。As described above, according to claim 1 of the present invention, the iron core is formed such that the width of the slot opening is narrower than the width of the slot formed on the inner peripheral surface with a predetermined interval. The first and second side portions that are wound and are respectively attached to at least a pair of corresponding slots are alignedly wound and stacked to have a thickness that can be inserted into both the slots. A plurality of third side portions that are connected to one end side of the side portion are formed by being stacked with the thickness in the stacking direction being smaller than the width of the opening of the slot with a shift in the extending direction of the first and second side portions. And a coil formed by sequentially mounting the first and second sides in both slots by passing the third side through the opening of the slot.
It is possible to provide a stator of a rotary electric machine that can increase the space factor of the coil and improve efficiency.
【００２３】又、この発明の請求項２によれば、請求項
１において、線材の少なくともスロットにそれぞれ装着
される第１および第２の辺部に位置する部位の積層方向
に隣接する当接面同士を偏平状に成形したので、さらに
占積率を高め効率の向上を図ることが可能な回転電機の
固定子を提供することができる。According to a second aspect of the present invention, in the first aspect, the contact surfaces adjacent to each other in the stacking direction of the portions located at the first and second sides, which are respectively mounted in at least the slots of the wire. Since the flat members are molded with each other, it is possible to provide the stator of the rotating electric machine that can further increase the space factor and improve the efficiency.
【００２４】又、この発明の請求項３によれば、矩形状
に巻回し、内周面に所定の間隔を介して形成されるスロ
ットの幅よりスロットの開口部の幅が狭く形成された鉄
心の少なくとも対応する一対のスロットにそれぞれ装着
される第１および第２の辺部を整列巻きして両スロット
内に嵌挿可能な厚さに、第１および第２の辺部の各一端
側に連なる第３の辺部を第１および第２の辺部の延在方
向にずらして、積層方向の厚さがスロットの開口部の幅
より小さな厚さにそれぞれ積層して複数のコイル組合体
を形成する工程と、コイル組合体の姿勢を保持する工程
と、各コイル組合体を鉄心の一端側から接近させて第３
の辺部を両スロットの開口部を通過させるとともに、鉄
心の一端側から他端側に移動させることにより第１およ
び第２の辺部を両スロット内に導きそれぞれ装着する工
程とを包含するようにしたので、コイルの占積率を高め
効率の向上を図ることが可能な回転電機の固定子の製造
方法を提供することができる。According to the third aspect of the present invention, the iron core is wound in a rectangular shape, and the width of the slot opening is narrower than the width of the slot formed on the inner peripheral surface with a predetermined interval. Of the first and second side portions that are respectively mounted in the corresponding pair of slots of the first and second side portions are aligned and wound to have a thickness that can be inserted into both slots, and the first and second side portions are respectively attached to one end side of the first and second side portions. The plurality of coil combinations are stacked by shifting the third side portion that is continuous in the extending direction of the first and second side portions so that the thickness in the stacking direction is smaller than the width of the opening of the slot. The step of forming, the step of maintaining the posture of the coil combination, and the step of bringing each coil combination close to each other from one end side of the iron core
Of the first side and the second side of the iron core by moving them from the one end side to the other end side of the iron core while passing the side portions through the openings of both slots, and mounting them respectively. Therefore, it is possible to provide a method for manufacturing a stator of a rotary electric machine that can increase the space factor of the coil and improve efficiency.
【００２５】又、この発明の請求項４によれば、請求項
３において、線材の少なくともスロットにそれぞれ装着
される第１および第２の辺部に位置する部位の積層方向
に隣接する当接面同士を偏平状に成形して整列巻きする
ようにしたので、さらにコイルの占積率を高め効率の向
上を図ることが可能な回転電機の固定子の製造方法を提
供することができる。According to a fourth aspect of the present invention, in the third aspect, the contact surfaces adjacent to each other in the stacking direction of the portions located at the first and second sides, which are respectively mounted in at least the slots of the wire. Since they are flattened and aligned and wound, it is possible to provide a method for manufacturing a stator of a rotary electric machine that can further increase the space factor of the coil and improve efficiency.
【００２６】又、この発明の請求項５によれば、請求項
３または４において、コイル組合体の姿勢を周囲を樹脂
で固めることにより保持するようにしたので、コストの
低減を図ることが可能な回転電機の固定子の製造方法を
提供することができる。Further, according to claim 5 of the present invention, in claim 3 or 4, since the posture of the coil combination is held by hardening the periphery with resin, the cost can be reduced. It is possible to provide a method of manufacturing a stator of a rotating electric machine.
【００２７】又、この発明の請求項６によれば、請求項
３ないし５のいずれかにおいて、各コイル組合体の第３
の辺部を成形して出っ張りを抑制する工程を包含したの
で、小形化を図ることが可能な回転電機の固定子の製造
方法を提供することができる。According to a sixth aspect of the present invention, in any one of the third to fifth aspects, the third combination of the coil combinations is provided.
Since the step of molding the side portions of the above to suppress the protrusion is included, it is possible to provide a method of manufacturing a stator of a rotating electric machine that can be downsized.
【図１】 この発明の実施の形態１における回転電機の
固定子の構成を示し、（Ａ）は正面断面図、（Ｂ）は部
分詳細図である。FIG. 1 shows a structure of a stator of a rotary electric machine according to Embodiment 1 of the present invention, (A) is a front sectional view, and (B) is a partial detailed view.
【図２】 図１におけるコイル組合体の構成を示す斜視
図である。FIG. 2 is a perspective view showing a configuration of a coil assembly in FIG.
【図３】 図２におけるコイル組合体が鉄心に装着され
た状態を示す正面図である。FIG. 3 is a front view showing a state in which the coil combination in FIG. 2 is attached to an iron core.
【図４】 図３におけるコイル組合体の鉄心への装着手
順を示し、（Ａ）は装着前の斜視図、（Ｂ）は装着後の
斜視図である。4A and 4B show a procedure for mounting the coil combination on the iron core in FIG. 3, where FIG. 4A is a perspective view before mounting and FIG. 4B is a perspective view after mounting.
【図５】 図１における回転電機の固定子の製造の一工
程を示す図である。FIG. 5 is a diagram showing a step of manufacturing the stator of the rotary electric machine in FIG. 1.
【図６】 図１における回転電機の固定子の製造の一工
程を示す図である。FIG. 6 is a diagram showing a step of manufacturing the stator of the rotary electric machine in FIG. 1.
【図７】 図１における回転電機の固定子の製造の一工
程を示す図である。FIG. 7 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 1.
【図８】 図１における回転電機の固定子の製造の一工
程を示す図である。FIG. 8 is a diagram showing one step of manufacturing the stator of the rotary electric machine in FIG. 1.
【図９】 図１における回転電機の固定子の製造の一工
程を示す図である。FIG. 9 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 1.
【図１０】 図１における回転電機の固定子の製造の一
工程を示す図である。FIG. 10 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 1.
【図１１】 図１における回転電機の固定子の製造の一
工程を示す図である。FIG. 11 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 1.
【図１２】 図１における回転電機の固定子の製造の一
工程を示す図である。FIG. 12 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 1.
【図１３】 図１における回転電機の固定子の製造の一
工程を示す図である。FIG. 13 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 1.
【図１４】 この発明の実施の形態２における回転電機
の固定子の要部の構成を示す断面図である。FIG. 14 is a sectional view showing a configuration of a main part of a stator of a rotary electric machine according to a second embodiment of the present invention.
１ 鉄心、１ａ 磁極テイース部、１ｂ スロット、
２，１１ コイル組合体、２ａ，１１ａ 第１の辺部、
２ｂ，１１ｂ 第２の辺部、２ｃ 第３の辺部、２ｄ
第４の辺部、３ 線材、４ コイル、５，６ コイル保
持部材、７ コイル挿入治具、７ａ ワイヤガイドブレ
ード、７ｂ ストリッパ、８ コイル案内部材。1 iron core, 1a magnetic pole teeth, 1b slot,
2,11 coil combination, 2a, 11a first side,
2b, 11b second side, 2c third side, 2d
Fourth side portion, 3 wire rod, 4 coil, 5, 6 coil holding member, 7 coil insertion jig, 7a wire guide blade, 7b stripper, 8 coil guide member.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 三宅 展明 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 大田 順一 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 及川 智明 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 増本 浩二 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 荒井 利夫 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 Ｆターム(参考） 5H603 AA09 BB01 BB02 BB12 CA01 CB01 CC05 CC17 CD22 5H604 BB01 BB03 BB09 BB10 BB14 CC01 CC05 CC15 DB01 5H615 AA01 BB01 BB02 BB06 BB07 BB14 PP01 PP12 QQ03 QQ12 SS09 SS18 SS44 TT27 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Miyake Nobuaki 2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo Inside Ryo Electric Co., Ltd. (72) Inventor Junichi Ota 2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo Inside Ryo Electric Co., Ltd. (72) Inventor Tomoaki Oikawa 2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo Inside Ryo Electric Co., Ltd. (72) Inventor Koji Masumoto 2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo Inside Ryo Electric Co., Ltd. (72) Inventor Toshio Arai 2-3 2-3 Marunouchi, Chiyoda-ku, Tokyo Inside Ryo Electric Co., Ltd. F term (reference) 5H603 AA09 BB01 BB02 BB12 CA01 CB01 CC05 CC17 CD22 5H604 BB01 BB03 BB09 BB10 BB14 CC01 CC05 CC15 DB01 5H615 AA01 BB01 BB02 BB06 BB07 BB14 PP01 PP12 QQ03 QQ12 SS09 SS18 SS44 TT27
Claims (6)
スロットの幅より上記スロットの開口部の幅が狭く形成
された鉄心と、 巻回され、少なくとも対応する一対の上記スロットにそ
れぞれ装着される第１および第２の辺部が、整列巻きさ
れて上記両スロット内に嵌挿可能な厚さに積層され、上
記第１および第２の辺部の一端側に連なる第３の辺部
が、上記第１および第２の辺部の延在方向にずれて積層
方向の厚さが上記スロットの開口部の幅より小さく積層
されて形成された複数のコイル組合体を、上記第３の辺
部を上記スロットの開口部を通過させることにより上記
第１および第２の辺部を上記両スロット内に順次装着し
て形成されるコイルとを備えたことを特徴とする回転電
機の固定子。1. An iron core in which an opening width of the slot is formed narrower than a width of the slot formed on the inner peripheral surface with a predetermined interval, and the iron core is wound around at least a pair of the corresponding slots. A first side and a second side to be mounted are lined up in a line and stacked to have a thickness that can be inserted into the slots, and a third side continuous to one end side of the first and second sides. A plurality of coil combinations formed by stacking the parts in a direction in which the first and second sides extend so that the thickness in the stacking direction is smaller than the width of the opening of the slot. And a coil formed by sequentially mounting the first and second side portions in the slots by passing the side portions of the slots through the openings of the slots. Child.
着される第１および第２の辺部に位置する部位は、積層
方向に隣接する当接面同士が偏平状に成形されているこ
とを特徴とする請求項１記載の回転電機の固定子。2. A contact surface adjacent to each other in the stacking direction is formed into a flat shape at the portions of the wire rod which are located in at least the slots and are located on the first and second sides, respectively. The stator of the rotating electric machine according to claim 1.
成されるスロットの幅より上記スロットの開口部の幅が
狭く形成された鉄心の少なくとも対応する一対の上記ス
ロットにそれぞれ装着される第１および第２の辺部を整
列巻きして上記両スロット内に嵌挿可能な厚さに、上記
第１および第２の辺部の各一端側に連なる第３の辺部を
上記第１および第２の辺部の延在方向にずらして、積層
方向の厚さが上記スロットの開口部の幅より小さな厚さ
にそれぞれ積層して複数のコイル組合体を形成する工程
と、 上記コイル組合体の姿勢を保持する工程と、 上記各コイル組合体を上記鉄心の一端側から接近させて
上記第３の辺部を上記両スロットの開口部を通過させる
とともに、上記鉄心の一端側から他端側に移動させるこ
とにより第１および第２の辺部を上記両スロット内に導
きそれぞれ装着する工程とを包含したことを特徴とする
回転電機の固定子の製造方法。3. An iron core, which is wound and has a width of an opening of the slot narrower than a width of a slot formed on the inner peripheral surface with a predetermined interval, is attached to at least a pair of the corresponding slots. The first and second side portions are aligned and wound, and the third side portion connected to one end side of each of the first and second side portions has a thickness that allows the first and second side portions to be fitted and inserted into the slots. Forming a plurality of coil combinations by shifting the first and second side portions in the extending direction so as to have a thickness in the laminating direction smaller than the width of the opening of the slot to form a plurality of coil combinations; A step of maintaining the posture of the combined body, bringing the coil combined bodies closer to each other from one end side of the iron core to allow the third side portion to pass through the openings of the both slots, and By moving to the end side, the first and second Method for manufacturing a stator of a rotary electric machine, characterized in that the edge portions includes a step of mounting each guided in said two slots.
着される第１および第２の辺部に位置する部位は、積層
方向に隣接する当接面同士を偏平状に成形して整列巻き
するようにしていることを特徴とする請求項３記載の回
転電機の固定子の製造方法。4. The portions of the wire rod, which are respectively attached to at least the slots and located on the first and second sides, are formed such that the contact surfaces adjacent to each other in the stacking direction are formed into a flat shape and aligned and wound. The method of manufacturing a stator for a rotating electric machine according to claim 3, wherein
ることにより保持するようにしたことを特徴とする請求
項３または４記載の回転電機の固定子の製造方法。5. The method of manufacturing a stator of a rotating electric machine according to claim 3, wherein the posture of the coil assembly is held by hardening the periphery with resin.
出っ張りを抑制する工程を包含したことを特徴とする請
求項３ないし５のいずれかに記載の回転電機の固定子の
製造方法。6. The manufacturing of a stator for a rotary electric machine according to claim 3, further comprising a step of forming a third side portion of each coil combination to suppress a protrusion. Method.
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|---|---|---|---|
| JP2001342604A JP3798968B2 (en) | 2001-11-08 | 2001-11-08 | Manufacturing method of stator of rotating electric machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001342604A JP3798968B2 (en) | 2001-11-08 | 2001-11-08 | Manufacturing method of stator of rotating electric machine |
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| Publication Number | Publication Date |
|---|---|
| JP2003153478A true JP2003153478A (en) | 2003-05-23 |
| JP3798968B2 JP3798968B2 (en) | 2006-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001342604A Expired - Lifetime JP3798968B2 (en) | 2001-11-08 | 2001-11-08 | Manufacturing method of stator of rotating electric machine |
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