JP2003153478A - Stator for rotating electric machine and its manufacturing method - Google Patents

Stator for rotating electric machine and its manufacturing method

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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
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sides
coil
slots
stator
opening
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JP2001342604A
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JP3798968B2 (en )
Inventor
Hiroyuki Akita
Toshio Arai
Koji Masumoto
Nobuaki Miyake
Yuji Nakahara
Tomoaki Oikawa
Junichi Ota
展明 三宅
裕治 中原
智明 及川
浩二 増本
順一 大田
裕之 秋田
利夫 荒井
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Mitsubishi Electric Corp
三菱電機株式会社
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Abstract

PROBLEM TO BE SOLVED: To provide a stator for a rotating electric machine in which the occupying ratio of a coil is raised to improve its efficiency. SOLUTION: The stator for the rotating electric machine comprises a core 1 having slots 1b formed via a predetermined interval on an inner peripheral surface thereof and including a width smaller than that of the opening of the slit 1b, and a coil. In the coil, first and second sides 2a, 2b respectively mounted in a pair of at least corresponding slots 1b are wound in an alignment and laminated in a thickness connectibly inserted in both slots 1b; a third side 2c continued to one end sides of the first and second sides 2a, 2b is deviated in the extending direction of the first and second sides 2a, 2b, so that the thickness in the laminating direction is smaller than the width of the opening of the slit 1b and formed in a plurality of coil assembly 2; and the third side 2c is passed through the opening of the slit 1b so that the first and second sides 2a, 2b are sequentially mounted in both the slots 1b and formed.

Description

【発明の詳細な説明】 【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 [0001] [Technical Field of the Invention The present invention, in the slot of iron core opening width is formed narrower than the slot width slot rotary electric machine coils are mounted well space factor the stator and a manufacturing method thereof. 【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。 [0002] In recent years, a good motor efficiency for energy saving has been demanded from the market, in general the density of the coils is mounted in the core slots, i.e. the motor by improving the space factor efficiency It is achieved improvement of. 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。 Coils Then, in order to improve the space factor of the coil as described above, in the although not illustrated, for example, Japanese Unexamined 10-271733, JP-aligned wound into bundles of the cross-section corresponding to the cross section of the pre-slot outside the slot and it is mounted by inserting radially disclosed from the opening side of the same width as the width of the slot while maintaining its shape. 【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。 [0003] The stator of the invention is to solve the above conventional rotary electric machine as described above, the regular winding coils in bundles of the cross-section corresponding to the cross section of the pre-slot outside the slots, retain its shape by attaching inserted radially from the opening side of the same width as the width of the slot in a state, improvement of the space factor of the coil is achieved. 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。 However, if the width of the slot opening is large, magnetic resistance increases in the air gap portion, the increase in the excitation current in the induction motor or the like, leads to reduction of the effective magnetic flux by the permanent magnet motor, further, magnetic concave, convex increasing slot harmonics from the increase, rotor, increases the harmonic loss generated in the stator is, in addition, lead to cogging of increase in the servo motor or the like, reduction control at the time of positioning etc., various problems arise to. 【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、 [0004] Thus, by protruding the tip of the magnetic pole Teisu portion in the circumferential direction on both sides, but will be used narrow the iron core than the width of the width of the opening slot of the slot,
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。 In this case, the coils wound regularly in bundles of the cross-section corresponding to the cross section of the pre-slot outside the slots as described above, it is because it becomes impossible to insert radially from the opening side of the slot, occupying coil to improve the efficiency of the motor has a problem that it is difficult to increase the rate. 【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。 [0005] The present invention has been made to solve the above problems, even in the core width of the slot opening is narrower than the width of the slot, the motor increases the space factor of the coil it is an object of the present invention that the stator of the rotating electric machine capable of improving the efficiency and a manufacturing method thereof. 【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。 [0006] [Means for Solving the Problems] The stator of the rotary electric machine according to claim 1 of the present invention, the width of the opening than the width of the slot formed through a predetermined distance on the inner circumferential surface slot a core formed narrow, wound, first and second side portions each mounted to at least a corresponding pair of slots, are stacked in the fitting capable thickness is wound regularly in both slots , third side portion continuous to one end of the first and second side portions, the thickness of the laminating direction shifted in the extending direction of the first and second side portions is smaller than the width of the slot opening the stacked plurality of coils combined product thus formed, a coil is sequentially attached to form a third side portion first and second side portions by passing the opening of the slot in both slots it is those with a. 【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。 [0007] Further, the stator of a rotating electric machine according to claim 2 of the present invention resides in that in Claim 1, the stacking direction of the site located on the first and second side portions which are mounted respectively in at least the slot of the wire it is obtained by forming an abutment surface adjacent to flat. 【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 [0008] In the method of manufacturing the stator of the rotating electric machine according to claim 3 of this invention, wound in a rectangular shape, than the width of the slots formed on the inner peripheral surface with a predetermined distance of the slot opening at least the corresponding fitted possible thickness to the first and second sides aligned winding to the two slot mounted on a pair of slots in width is narrowly formed core, first and second by shifting the third side portion continuous to each one end of the side portion to the first and the extending direction of the second side portions, each layered thickness in the stacking direction to a smaller thickness than the width of the slot opening passage forming a plurality of coils combined product, the step of holding the posture of the coil combined product, the opening of the third side portion both slots to approximate the coils combined product from one end of the core and together is, to move from one end of the core to the other end 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。 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。 [0009] In the method of manufacturing the stator of the rotating electric machine according to claim 4 of the present invention, in claim 3, the site located on the first and second side portions which are mounted respectively in at least the slot of the wire an abutment surface adjacent to each other in the stacking direction molded to the flat is obtained so as to regular winding. 【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。 [0010] In the method of manufacturing the stator of the rotating electric machine according to claim 5 of the present invention, in claim 3 or 4, in the periphery of the posture of the coil combined product those to hold by solidifying a 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。 [0011] In the method of manufacturing the stator of the rotating electric machine according to claim 6 of the present invention, in any one of claims 3 to 5, the ledge by molding the third side portions of the coils combined product inhibition it is obtained by comprising the step of. 【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。 DETAILED DESCRIPTION OF THE INVENTION Hereinafter, will be explained based on the embodiment of the present invention in FIG. 実施の形態1. The first embodiment. 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、 Figure 1 shows the construction of a stator of the rotating electric machine according to Embodiment 1 of the present invention, (A) is a front sectional view,
(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。 (B) is a partial detailed view, FIG. 2 is a perspective view showing the configuration of a coil combined product in FIG. 1, FIG. 3 is a front view showing a state where the coil combined product is mounted on the core in FIG. 2, FIG. 4 3 shows the mounting procedure to the core of the coil combined product in, (a) is a perspective view before attachment, (B) is a perspective view after attachment, 5 to 13 of manufacturing the stator of the rotating electric machine in FIG. 1 it is a diagram illustrating each step. 【0013】図において、1は円筒状を有する鉄心で、 [0013] In FIG, 1 is a core having a cylindrical,
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ω がその幅ω より狭いスロット1bがそれぞれ形成されている。 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 narrower slot 1b are formed. 2は線材3が矩形状に巻回されたコイル組合体で、 2 is a coil combined product that wire 3 is wound in a rectangular shape,
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 First and second side portions 2a which is mounted in a predetermined slot 1b and the position of the slot 1b in which n pieces Apart from this, 2b are stacked in the fitting capable thickness regular winding has been the slot 1b, these first 1 and the second side portion 2a, the third side portion 2c contiguous to one end of the 2b is the wire rods 3 first and second
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ω 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。 Side portions 2a, displaced in the extending direction of 2b, the thickness t of the stacking direction are laminated smaller than the width omega 1 of the opening of the slot 1b of the core 1, first and second sides 2a, 2b of fourth side portion 2d leading to the other end, are stacked in an arc along the shape of the core 1. 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。 Then, this coil combined product 3, the n pieces by distant in a pair of slots 1b, first and second sides 2a, 2b is a coil 4 is mounted is constructed. 【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。 [0014] Next, will be described with reference to FIG manufacturing method of the stator of the rotary electric machine according to Embodiment 1 of which is constructed as mentioned above. 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 First, winding the wire 3 in a rectangular shape as shown in FIG. 2, the first and second side portions 2a which is mounted in the slot 1b, 2b, as a regular winding, the thickness can be fitted into the slot 1b of laminated to the first and second sides 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。 The third side portion 2c connected to the one end side, by shifting the respective wires 3 in the extending direction of the first and second sides 2a, 2b are stacked in a row, first and second sides 2a, fourth side portion 2d continuing to the other end of the 2b forms a plurality of coils union body 2 by laminating an arc along the shape of the 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。 Next, the coil insertion jig 7 first and second side portions 2a of the coil combined product 2 as shown in FIG. 5, the vicinity of both ends 2b, and held by a pair of coil holding members 5 and 6 is the position of the upper. 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。 Then, to hold the coil insertion jig 7 by receiving in stripper 7b is lowered along the wire guide blade 7a as shown in FIG. 次いで、 Then,
図7に示すようにコイル挿入治具7を鉄心1の下方に、 The coil insertion jig 7 as shown in Figure 7 to the lower core 1,
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。 The tip of the wire guide blade 7a is then positioned so as to correspond to the inside of the iron core 1, by raising the coil insertion jig 7 as shown in FIG. 8, along a wire guide blade 7a on the inner peripheral surface of the core 1 passing the inner moving Te. 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。 At this time, the relationship between the core 1 and the coil combined product 2 is in the state 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 Next, the wire guide blade 7a is neat state as shown in FIG. 9, the coil combined product 2 by raising the stripper 7b along the wire guide blade 7a is moved upward, the lower portion of the iron core 1 the coil guide member 8 for guiding the coil combined product 2 is located in the slot 1b, first, the opening of the third side portion 2c of the slot 1b is passed in the direction indicated in Figure 4 (a) in arrow, further coil unions by moving the body 2 upwardly, leading the first and second side portions 2a connecting to the third side portion 2c as shown in FIG. 10, the 2b into the slot 1b, both sides portions 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。 At a position where the entire area of ​​the is fitted into the slot 1b, by stopping the increase in the stripper 7b, the state showing the relationship between the core 1 and the coil combined product 2 in FIG. 4 (B). 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。 Incidentally, showing the coil holding member 5 in the state shown in FIG. 9, and the coil holding member 5 and the coil guide member 8 in the state shown in FIG. 10, by an arrow, respectively by solving the engagement of the coil combined product 2 to wait to move to the outside as. 【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 Next, place the molding member 9 as shown in FIG. 11 above, although not shown wire guide blade 7a
をストリッパ7bの上面より下方に待避させた後、図1 After the is retracted below the upper surface of the stripper 7b, Figure 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。 By squeezing the third side portion 2c from the upper molding member 9 is lowered as shown in 2, molded into the same shape as the third side portion 2c fourth side portion 2d as shown in FIG. 13 . 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。 Hereinafter, by repeating the same operation as described above, a predetermined number of the coils combined product 2 sequentially inserted into n pieces by distant in a pair of slots 1b, the coil combined product 2 in every slot 1b is mounted coil 4 is configured and the stator 10 of the rotary electric machine is completed with the 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 [0018] According to the first way above described, the wire 3 is wound in a rectangular shape, the first and second sides which is inserted into a slot 1b location remote therefrom of n and a predetermined slot 1b part 2a, a 2b, aligned winding to the slot 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 Laminated fitted possible thickness within, the first and second sides 2a, the third side portion 2c connected to one end of 2b, is each wire 3 first and second side portions 2a , stacked in a row so as to shift in the direction of extension of 2b, first and second side portions 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, a fourth side portion 2d continuing to the other end of 2b, constitutes a plurality of the coils combined product 2 by arcuately shaped along the shape of the core 1, to hold the posture of the coil combined product 2 is accessible from one end of the core 1, the third side portion 2c with passing openings of both the slot 1b, by further moving from one end to the other end, the first and second sides 2a, since the 2b are to be fitted being led into the both slots 1b, also in the iron core 1, the width of the opening is narrower than the width of the slot 1b, the first and second side portions 2
a、2bが整列巻きされたコイル組合体2をスロット1 a, 2b is a coil combined product 2 which is wound regularly slot 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。 It is possible to mount in b, it is possible to improve the efficiency of the motor increases the space factor of the coil 4. 【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 [0019] In the above configuration, the third side portion 2c of the coil combined product 2, the respective wires 3 first and second side portions 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 a, although stacked in a row so as to shift in the direction of extension of 2b, not of course limited to this, short 2
中tで示す部分をスロット1bの開口部の幅ω 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。 The portion indicated by the medium t are laminated in thickness smaller than the width omega 1 of the opening of the slot 1b, a third side portion 2c may be so can pass through the opening, to obtain the same effect as described above can. 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。 Further, to hold the posture of the coil combined product 2 in both coil holding members 5 and 6, but so as to mount the core 1, it may be held posture fixed with adhesive or the like, or if to hold the posture hardened with resin, it is not necessary to apply a separate slot insulation, it is possible to reduce the cost. さらに又、コイル組合体2の第3 Still further, a third coil combined product 2
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。 The side portions 2c, allowing miniaturization by molding crushed by the molding member 9. 【0020】実施の形態2. [0020] Embodiment 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。 Figure 14 is a sectional view showing a main portion of the stator of the rotating electric machine according to Embodiment 2 of the present invention. 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。 In the figures, like parts as in the first embodiment will be omitted with denoted by the same reference numerals. 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。 11 is although not shown coil combined product having a first to third side portion in the same manner as the coil combined product 2 in the first embodiment, first and second sides 11a, is site located 11b , abutment surfaces adjacent to each other in at least the stacking direction are aligned wound is formed into a flat shape. 【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 [0021] According to the second way above described, first and second side portions 11a of the coil combined product 11, 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。 Since molded to the contact surface adjacent to each other in at least the stacking direction of the site flat positioned are such that regular winding, the alignment increases the ease and become more space factor, to improve the efficiency of the motor possible to become. 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 In the above configuration, a portion formed into a flat-shaped first and second side portions 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。 a, it was an 11b, it is needless to say that the first to fourth side portions all sites may be formed into a flat shape. 又、 or,
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。 In Embodiments 1 and 2 above embodiments, although a pair of coil combined product has been described when inserted into one slot, it is not limited thereto, and stacking a plurality of coils combined product be applicable to the insertion, it is needless to say that can exhibit the same effect. 【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、 [0022] As is evident from the foregoing description, according to the first aspect of the invention, the width of the opening than the width of the slot formed through a predetermined distance on the inner circumferential surface slot is narrower and the iron core was, wound, first and second side portions each mounted to at least a corresponding pair of slots, are stacked in the fitting capable thickness is wound regularly in both slots, the first and third side portion continuous to one end of the second side portion, forming the thickness of the laminating direction shifted in the extending direction of the first and second side portions are stacked smaller than the width of the slot opening a plurality of coils union body that is, since a coil formed by sequentially attaching the third side portion first and second side portions by passing the opening of the slot in both slots ,
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。 It is possible to provide a stator for a rotary electric machine can be improved in efficiency enhances the space factor of the coil. 【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。 [0023] Further, according to the second aspect of the present invention, in claim 1, abutment surface adjacent to the stacking direction of the site located on the first and second side portions which are mounted respectively in at least the slot of the wire Having formed with each other into a flat shape, it is possible further to provide a stator for a rotary electric machine can be improved in efficiency enhanced space factor. 【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 [0024] According to a third aspect of the present invention, wound in a rectangular shape, the core width of the opening than the width of the slot formed through a predetermined distance on the inner circumferential surface slots are formed narrower at least corresponding to the fitted possible thickness to the first and second sides aligned winding to the two slot mounted on a pair of slots, each one end of the first and second sides of the the third side portion continuous shifted in the extending direction of the first and second side portions, the thickness in the stacking direction by stacking the respective thickness smaller than the width of the slot opening plurality of coils combined product forming, a step of holding the posture of the coil combined product, the third is brought closer to the coil combined product from one end of the core
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。 With passing openings of the side portions of both the slots, so it comprises a step of mounting each guide the first and second side portions by moving from one end of the core to the other side in both slots since, it is possible to provide a method for manufacturing a stator of a rotary electric machine can be improved in efficiency enhances the space factor of the coil. 【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。 [0025] According to a fourth aspect of the present invention, in claim 3, the contact surface adjacent to the stacking direction of the site located on the first and second side portions which are mounted respectively in at least the slot of the wire since so as to align wound by molding together the flat can further provide a manufacturing method of a stator of a rotary electric machine capable of improving the efficiency increases the space factor of the coil. 【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。 [0026] According to a fifth aspect of the present invention, in claim 3 or 4, since to hold by solidifying the orientation of the coil combined product around in the resin, can lower the cost method for manufacturing a stator of Do rotary electric machine can be provided. 【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 [0027] According to a sixth aspect of the present invention, in any one of claims 3 to 5, the third coils combined product
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。 Since encompasses the sides step of inhibiting the ledge by molding, it is possible to provide a manufacturing method of the stator of the rotary electric machine can be made compact.

【図面の簡単な説明】 【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。 BRIEF DESCRIPTION OF THE DRAWINGS [Figure 1] shows a configuration of a stator of the rotating electric machine according to Embodiment 1 of the present invention, (A) is a front sectional view, (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。 Is a perspective view showing the configuration of a coil combined product in FIG. 1; 【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。 [Figure 3] a coil combined product in FIG. 2 is a front view showing a state of being attached to the 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。 Figure 4 shows the mounting procedure to the core of the coil combined product in FIG. 3, (A) is a perspective view before attachment, (B) is a perspective view after attachment. 【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。 5 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 6 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 7 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 8 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 9 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 It is a diagram showing one step of manufacturing the stator of the rotating electric machine in FIG. 10 FIG. 【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。 11 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 12 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 13 is a diagram showing a step of manufacturing the stator of the rotating electric machine in FIG. 【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。 14 is a cross-sectional view showing a structure of a main portion of the stator of the rotating electric machine according to Embodiment 2 of the present invention. 【符号の説明】 1 鉄心、1a 磁極テイース部、1b スロット、 1 core [Description of symbols], 1a pole Teisu portion, 1b slots,
2,11 コイル組合体、2a,11a 第1の辺部、 2,11 coils combined product, 2a, 11a first side portion,
2b,11b 第2の辺部、2c 第3の辺部、2d 2b, 11b second side portion, 2c third side portion, 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。 Side portion of the fourth, 3 wire rod, 4 coil, 5, 6 the coil holding member, 7 coil insertion jig, 7a wire guide blades, 7b stripper 8 the 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 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Miyake TenAkira, Chiyoda-ku, tokyo Marunouchi 2-chome No. 2 No. 3 Mitsubishi electric in Co., Ltd. (72) inventor Junichi Ota, Chiyoda-ku, tokyo Marunouchi 2-chome No. 2 No. 3 Mitsubishi electric in Co., Ltd. (72) inventor Tomoaki Oikawa, Chiyoda-ku, tokyo Marunouchi 2-chome No. 2 No. 3 Mitsubishi electric in Co., Ltd. (72) inventor Koji Masumoto, Chiyoda-ku, tokyo Marunouchi 2-chome No. 2 No. 3 Mitsubishi electric Co., Ltd. in the (72) inventor Toshio Arai, Chiyoda-ku, tokyo Marunouchi 2-chome No. 2 No. 3 Mitsubishi electric Co., Ltd. in the 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 (1)

  1. 【特許請求の範囲】 【請求項1】 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。 And Claims width of the opening of the claims 1] inner peripheral surface above than the width of the slot formed through a predetermined gap slots are formed narrowly core, wound around at least the corresponding first and second side portions which are mounted on a pair of said slots, is wound regularly stacked in the fitting can be thick in the both slots, the first and one end of the second side portion third side portion, said first and second plurality of coils union thickness in the extending direction to the deviation stacking direction is formed by stacking smaller than the width of the opening of the slot of the side portion continuous to the characterized in that the body and the third side portion and a coil formed by the first and second side portions by passing the opening of the slot sequentially mounted in the both slots the stator of the rotating electric machine to be. 【請求項2】 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 wire portions located in the first and second side portions which are mounted respectively in at least the slot, characterized in that the abutment surface which are adjacent in the stacking direction are formed in the flat the stator of the rotating electric machine according to claim 1, wherein. 【請求項3】 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 3. A winding, each mounted to at least a corresponding pair of the slots of the core width of the opening is formed narrower of the inner peripheral surface above than the width of the slot formed through a predetermined distance into the slot the first and the second side portion wound aligned in the fitting can be thick in the both slots that, the first and third side portion continuous to each one end of said first and second sides Slide 1 and the extending direction of the second side portion, and forming a plurality of coils combined product thickness in the stacking direction by stacking the respective thickness smaller than the width of the opening of the slot, the coil a step of holding the posture of the combined product, the coils combined product is brought closer from one side of the core the third side portion with passing the opening of the two slots, the other from one side of the core the by moving the end side first and second 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。 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. 【請求項4】 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。 Site located in the first and second side portions, each in at least the slot of 4. A wire is attached, so as to align wound by forming a flat abutment surfaces adjacent to each other in the stacking direction method of manufacturing a stator according to claim 3 rotating electric machine, wherein the are. 【請求項5】 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 manufacturing method of a stator of a rotary electric machine according to claim 3 or 4, wherein the periphery of the posture of the coil combined product is characterized in that so as to hold by solidifying a resin. 【請求項6】 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 manufacture of the stator of the rotating electric machine according to any one of 5 the preceding claims 3, characterized in that includes a third side portion step of inhibiting the ledge by molding of each coil combined product Method.
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WO2005029682A1 (en) * 2003-09-24 2005-03-31 Aisin Aw Co., Ltd. Stator manufacturing device
WO2010109747A1 (en) * 2009-03-23 2010-09-30 アイシン・エィ・ダブリュ株式会社 Device for manufacturing stator
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JP2010239718A (en) * 2009-03-30 2010-10-21 Aisin Aw Co Ltd Method and apparatus for manufacturing stator
US8832925B2 (en) 2009-10-30 2014-09-16 Aisin Aw Co., Ltd. Stator manufacturing method
DE112010003245T5 (en) 2009-10-30 2012-08-16 Aisin Aw Co., Ltd. Production method and production apparatus for a stator
DE112011100868T5 (en) 2010-03-11 2012-12-27 Kabushiki Kaisha Toyota Jidoshokki A stator for a rotating electric machine, a stator manufacturing method and a manufacturing method for a stator winding
US9590479B2 (en) 2010-03-11 2017-03-07 Kabushiki Kaisha Toyota Jidoshokki Stator for rotating electrical machine, method for manufacturing stator, and method for manufacturing coil for stator
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EP2782219A3 (en) * 2013-03-19 2016-01-27 Kabushiki Kaisha Yaskawa Denki A wound component, a coil, a rotating electrical machine and manufacturing method of such a coil
EP2782220A3 (en) * 2013-03-19 2016-05-25 Kabushiki Kaisha Yaskawa Denki A wound component, a coil, a rotating electrical machine, and a manufacturing method of such a coil
CN106464052A (en) * 2014-05-26 2017-02-22 三菱电机株式会社 Rotating electrical machine and production method for rotating electrical machine

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