JPH0667161B2 - Rotating machine rotor - Google Patents
Rotating machine rotorInfo
- Publication number
- JPH0667161B2 JPH0667161B2 JP63227768A JP22776888A JPH0667161B2 JP H0667161 B2 JPH0667161 B2 JP H0667161B2 JP 63227768 A JP63227768 A JP 63227768A JP 22776888 A JP22776888 A JP 22776888A JP H0667161 B2 JPH0667161 B2 JP H0667161B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- slot
- coil end
- rotor
- end portion
- 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.)
- Expired - Fee Related
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、スタータモーヒ等の回転電機用ロータに関す
るものである。TECHNICAL FIELD The present invention relates to a rotor for a rotary electric machine such as a starter mohi.
［従来技術及び発明が解決しようとする問題点］ 一般に、この種の回転電機においては、コイルが巻装さ
れたロータ（アーマチユア）が回転自在に軸承されてい
る。そしてこの場合、出力アツプのためには、コイルを
太径にすると共に、コイルが巻装されるスロツト（溝）
数を可及的に多くすることが考えられる。[Problems to be Solved by Prior Art and Invention] Generally, in this type of rotating electric machine, a rotor (armature) around which a coil is wound is rotatably supported. In this case, in order to output the coil, the coil has a large diameter and the slot (groove) around which the coil is wound.
It is possible to increase the number as much as possible.
そこで従来、一本の太径のコイルを略Ｕ字形にし、これ
を二層巻き方式にしたものがあるが、このものは、同じ
スロツトに二本のコイルが挿通することになる。そこで
このものを、第６図に示す如く、全てのスロツト形状
を、二本のコイル脚部が径方向内外に隣接して挿入する
よう径方向に長い長孔状とすることが提唱される。しか
るにこのものでは、隣接スロツト同志の内径側部位間の
間隔が狭くなり、該部での磁束密度が高くなつて磁気抵
抗が増大し、磁気的に飽和してしまう惧れがあるととも
に機械的強度も低下してしまうという欠点が有る。しか
も任意に選択されるコイルＡは、そのコイルエンド部に
おいて隣接する両側のコイルＢ、Ｃに対してそれぞれ交
差する配線構造にならざるを得ないため、どうしてもコ
イルエンド部が軸方向に突出してしまうという欠点があ
つて問題となる。Therefore, conventionally, there is one in which one large-diameter coil is formed in a substantially U shape and is made into a two-layer winding system, but in this one, two coils are inserted into the same slot. Therefore, as shown in FIG. 6, it is proposed that all of the slots have a long hole shape that is long in the radial direction so that two coil leg portions are inserted inside and outside in the radial direction. However, in this case, the space between the inner diameter side parts of the adjacent slots becomes narrow, the magnetic flux density in that part becomes high, the magnetic resistance increases, and there is a risk of magnetic saturation and mechanical strength. However, there is a drawback that it also decreases. Moreover, the arbitrarily selected coil A has to have a wiring structure that intersects the coils B and C on both sides adjacent to each other at the coil end portion, so that the coil end portion inevitably projects in the axial direction. That is a problem.
［問題を解決するための手段］ 本発明は、上記の如き実情に鑑みこれらの欠点を一掃す
ることができる回転電機用ロータを提供することを目的
として創案されたものであつて、 ロータコア部（５）と、各単線の第一コイル（８）およ
び第二コイル（９）とを有する回転電機用ロータであつ
て、 ロータコア部（５）は、ロータ径方向に長い長孔形状の
第一スロツト（６）と、幅狭状の連結部（７ｃ）を有し
てロータ径方向に長いアレー形状の第二スロツト（７）
とが交互に形成され、 第一および第二コイル（８；９）は、それぞれ略Ｕ形状
に湾曲されて一対の脚部（８ａ：８ｂ；９ａ、９ｂ）
と、各両脚部（８ａ：８ｂ；９ａ、９ｂ）のあいだに位
置するコイルエンド部（８ｃ；９ｃ）とで構成されたも
のとし、 第一コイル（８）は、一方の脚部（８ａまたは８ｂ）が
第一または第二スロツト（６、７）の外径側挿入部（６
ａ、７ａ）に挿入され、他方の脚部（８ｂまたは８ａ）
が前記挿入した第一または第二スロツト（６、７）とは
適数個の間隔を存する第一スロツトの内径側挿入部（６
ｂ）に挿入され、コイルエンド部（８ｃ）が第二スロツ
トの連結部（７ｃ）に対向するよう配線され、 第二コイル（９）は、一方の脚部（９ａまたは９ｂ）が
第二または第一スロツトの外径側挿入部（７ａ、６ａ）
に挿入され、他方の脚部（９ｂまたは９ａ）が前記適数
個の間隔を存する第二スロツトの内径側挿入部（７ｂ）
に挿入され、コイルエンド部（９ｃ）が、両側に隣接す
る第一コイルのコイルエンド部（８ｃ）のうち一方のコ
イルエンド部（８ｃ）を乗り越え、他方のコイルエンド
部（８ｃ）に対してロータ軸芯側位置で並列して配線さ
れたことを特徴とするものである。[Means for Solving the Problem] The present invention has been devised with the object of providing a rotor for a rotating electric machine capable of eliminating these drawbacks in view of the above circumstances, and a rotor core portion ( 5) and a single coil first coil (8) and second coil (9), wherein the rotor core portion (5) has a first slot having a long hole shape elongated in the rotor radial direction. (6) and a second slot (7) having an array shape that has a narrow connecting portion (7c) and is long in the rotor radial direction.
Are alternately formed, and the first and second coils (8; 9) are each curved in a substantially U shape to form a pair of legs (8a: 8b; 9a, 9b).
And a coil end portion (8c; 9c) located between both leg portions (8a: 8b; 9a, 9b), and the first coil (8) includes one leg portion (8a or 8b) is the outer diameter side insertion portion (6) of the first or second slot (6, 7).
a, 7a) and the other leg (8b or 8a)
Is an inner diameter side insertion portion (6) of the first slot having a proper number of intervals from the inserted first or second slot (6, 7).
b), the coil end portion (8c) is wired so as to face the connecting portion (7c) of the second slot, and the second coil (9) has one leg portion (9a or 9b) of the second or Outer diameter side insertion part (7a, 6a) of the first slot
Inner side insertion portion (7b) of the second slot which is inserted into the second slot and the other leg portion (9b or 9a) has the appropriate number of intervals.
And the coil end portion (9c) rides over one coil end portion (8c) of the coil end portions (8c) of the first coil adjacent to both sides, and the other coil end portion (8c) It is characterized in that they are wired in parallel at the rotor shaft side position.
そして本発明は、この構成によつて、隣接スロツトの間
隔を大きく採ることができると共にコイルエンド部の突
出を小さくできる様にしたものである。Further, according to the present invention, the gap between the adjacent slots can be made large and the projection of the coil end portion can be made small by this configuration.
［実施例］ 次に、本発明の一実施例を図面に基づいて説明する。図
面において、１は回転電機であるモータのヨークであつ
て、該ヨーク１の内周には永久磁石２が一体的に固着さ
れている。一方、３はロータコアであつて、該ロータ３
のコア軸４は軸受４ａによつて軸芯回りに自由回動自在
に軸承され、かつコア軸４には、板材を複数積層形成し
た後述するロータコア５と、刷子１ａが弾圧状に摺接す
る整流子４ｂとが一体的に設けられていることなどは何
れも従来通りである。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings. In the drawing, reference numeral 1 denotes a yoke of a motor which is a rotary electric machine, and a permanent magnet 2 is integrally fixed to the inner circumference of the yoke 1. On the other hand, 3 is a rotor core,
The core shaft 4 is rotatably supported by a bearing 4a around the shaft center, and the core shaft 4 has a rotor core 5 formed by laminating a plurality of plate materials, which will be described later, and a brush 1a slidably contacting each other. The fact that the child 4b and the child 4b are integrally provided is the same as conventional ones.
前記ロータコア５には、コイル８が巻装される第一、第
二のスロツト６、７が交互に隣接するように形成されて
いる。即ち、各スロツト６、７には、実施例では断面略
円形をした単線のコイル線８が二層巻きになるよう都合
二本ずつ内外に一列状に配線されることになるが、本実
施例の場合、後ピツチ４、前ピツチ５の波巻き巻線が構
成されるようになつている。そしてまず、第一スロツト
６は、ロータ径方向に長い長孔形状をしていて、後述す
るように第一コイル８の脚部８ａ、８ｂがそれぞれ挿入
される外径側挿入部６ａ、内径側挿入部６ｂが径方向に
向け外内に隣接して形成されている。The rotor core 5 is formed with first and second slots 6 and 7 around which coils 8 are wound so as to be alternately adjacent to each other. That is, in each of the slots 6 and 7, the single wire coil wire 8 having a substantially circular cross section is wired in two rows inward and outward so as to form a two-layer winding. In this case, the wave windings of the rear pitch 4 and the front pitch 5 are constructed. First, the first slot 6 has an elongated hole shape that is long in the radial direction of the rotor. As will be described later, the outer diameter side insertion portion 6a and the inner diameter side into which the leg portions 8a and 8b of the first coil 8 are respectively inserted. The insertion portion 6b is formed adjacent to the outside in the radial direction.
一方、第二スロツト７は、前記第一スロツト６よりも略
コイル一本に相当する分だけロータ径方向に深い溝深さ
に設定され、かつアレー形状に形成されている。つま
り、後述するように第二コイル９の脚部９ａ、９ｂが挿
入する第二スロツト７には、前記第一スロツト外径側挿
入部６ａと対応する位置に位置する外径側挿入部７ａ
と、第一スロツト内径側挿入部６ｂに対応する位置より
も略コイル一本の太さ分だけ軸芯側に位置する内径側挿
入部７ｂと、両挿入部７ａ、７ｂ間を連結すべく第一ス
ロツト内径側挿入部６ｂに対応する位置に位置する幅狭
状の連絡部７ｃとが形成されている。On the other hand, the second slot 7 is set to a groove depth deeper in the rotor radial direction than the first slot 6 by an amount corresponding to approximately one coil, and is formed in an array shape. That is, as will be described later, the second slot 7 into which the leg portions 9a and 9b of the second coil 9 are inserted has an outer diameter side insertion portion 7a located at a position corresponding to the first slot outer diameter side insertion portion 6a.
In order to connect between the inner diameter side insertion portion 7b and the both insertion portions 7a, 7b, which are located on the axial core side by the thickness of one coil approximately from the position corresponding to the first slot inner diameter side insertion portion 6b. A narrow connecting portion 7c located at a position corresponding to one slot inner diameter side insertion portion 6b is formed.
また、前記第一、第二コイル８、９は、何れも略Ｕ形状
に湾曲したものであり、それぞれ一対の脚８ａ、８ｂ；
９ａ、９ｂと両脚部間に形成されるコイルエンド部８
ｃ；９ｃとを有するが、第一コイル８は、一方の脚部８
ａを第一スロツト６の外側挿入部６ａに、他方の脚部８
ｂを、前記挿入した第一スロツト６から四番目、つま
り、あいだに三個のスロツトを飛ばしたところに位置す
る第一スロツト６の内側挿入部６ｂにそれぞれ挿入して
組込むことになるが、この場合に、第一コイル８のコイ
ルエンド部８ｃは、前記第二スロツト７の連結部７ｃに
対応する位置を通るように配線されており、これによつ
て、第二スロツト７の両挿入部７ａ、７ｂは、第一コイ
ル８のコイルエンド部８ｃに塞がれることなく外内径側
にそれぞれ分けられるように位置してコイルエンド側か
らスロツト溝内を見通せるようになつている。Further, the first and second coils 8 and 9 are both curved in a substantially U shape, and each of the pair of legs 8a and 8b;
Coil end portion 8 formed between 9a and 9b and both legs
c; 9c, but the first coil 8 has one leg 8
a to the outer insertion portion 6a of the first slot 6 and the other leg 8
b is inserted into each of the first slot 6 from the inserted first slot 6, that is, the inner slot 6b of the first slot 6 located at a position where three slots are skipped between them. In this case, the coil end portion 8c of the first coil 8 is wired so as to pass through the position corresponding to the connecting portion 7c of the second slot 7, whereby both insertion portions 7a of the second slot 7 are inserted. , 7b are located so as not to be blocked by the coil end portion 8c of the first coil 8 but to be divided into the outer and inner diameter sides, respectively, so that the inside of the slot groove can be seen from the coil end side.
一方、第二コイル９は、第一コイル８が挿入組込みされ
た状態で挿入組込みされることになるが、その一方の脚
部９ａが第二スロツト７の外径側挿入部７ａに挿入さ
れ、他方の脚部９ｂがあいだに三個のスロツトを飛ばし
たところにある第二スロツト７の内径側挿入部７ｂに挿
入されることになる。そしてこの場合に、第二コイル９
のコイルエンド部９ｃは、第４図に示すように、該第二
コイル９の周方向両側に隣接する一対の第一コイル８−
１、８−２のうち、一方側の第一コイル８−１のコイル
エンド部８ｃ−１を乗り越えて交叉し、そして該乗り越
えたコイルエンド部８ｃ−１に対しロータ軸芯側に並列
するようにして配線されることになり、また、他方側の
第一コイル８−２のコイルエンド部８ｃ−２に対して
は、これを乗り越えることなく、ロータ軸芯側に位置し
てこれと並列するよう配線されている。On the other hand, the second coil 9 is inserted and incorporated with the first coil 8 inserted and incorporated, but one leg portion 9a thereof is inserted into the outer diameter side insertion portion 7a of the second slot 7, The other leg portion 9b is inserted into the inner diameter side insertion portion 7b of the second slot 7 at the position where the three slots are skipped. And in this case, the second coil 9
As shown in FIG. 4, the coil end portions 9c of the first coil 8a and the second coil 9 are adjacent to each other in the circumferential direction.
1 and 8-2, the coil end portion 8c-1 of the first coil 8-1 on one side is crossed over, and the coil end portion 8c-1 thus crossed over is parallel to the rotor axis side. In addition, the coil end portion 8c-2 of the first coil 8-2 on the other side is positioned on the rotor shaft core side and juxtaposed with the coil end portion 8c-2 on the other side. Is wired as follows.
叙述の如く構成された本発明の実施例において、ロータ
コア５に形成したスロツト６、７の各コイル挿入部に太
径のコイル８、９を内外に二本ずつ一列状に挿入巻き付
けすることになるが、その場合に隣接する第一、第二ス
ロツト６、７同志の内径側挿入部６ｂ、７ｂが、ロータ
径方向に交互に内外偏寄した構造になつており、そし
て、深溝に設定される第二スロツト７の両挿入部７ａ、
７ｂのあいだには、第一スロツト内径側挿入部６ｂ位置
に対応して幅狭な連結部７ｃが形成されている。この結
果、両スロツト６、７間のテイースの間隔（幅）を、従
来の内径側挿入部を同位置に設定したものに比して広く
確保できることになつて、両スロツト６、７間のテイー
ス間隔を狭くなつて出力アツプが果し得ないような不具
合もなく、かつ機械的強度も確実に確保できることにな
る。In the embodiment of the present invention configured as described above, the large-diameter coils 8 and 9 are inserted and wound in two rows inside and outside the respective coil insertion portions of the slots 6 and 7 formed in the rotor core 5. However, in that case, the inner diameter side insertion portions 6b, 7b of the first and second slots 6, 7 adjacent to each other are alternately biased inward and outward in the radial direction of the rotor, and are set as deep grooves. Both insertion parts 7a of the second slot 7,
A narrow connecting portion 7c is formed between 7b corresponding to the position of the first slot inner diameter side inserting portion 6b. As a result, the interval (width) of the teeth between the two slots 6 and 7 can be ensured wider than that of the conventional one in which the inner diameter side insertion portion is set at the same position. By narrowing the interval, there is no problem that the output up cannot be achieved, and the mechanical strength can be surely secured.
しかもこのものは、コイル組込み作業が、三個のスロツ
トを飛ぶ状態で対向する一対の第一スロツト６、６の外
径側挿入部６ａと内径側挿入部６ｂとに第一コイル８の
両脚部８ａ、８ｂを挿入組込みした状態で、さらに第二
コイル９を挿入組込みすることになるが、先行して組込
まれる第一コイル８のコイルエンド部８ｃは、第二スロ
ツト７の内外径側の両挿入部７ａ、７ｂのあいだの連結
部７ｃに対応する位置を通るように配線されるため、こ
れら両挿入部７ａ、７ｂが、第一コイル８のコイルエン
ド部８ｃによつて塞がれてしまうことが無く、コイルエ
ンド部８ｃの外内側にそれぞれ位置してコイルエンド側
からスロツト溝内に見通せることに成り、このため第二
コイル脚部９ａ、９ｂの挿入作業が容易になる。Moreover, this is a coil assembling work in which both legs of the first coil 8 are attached to the outer diameter side insertion portion 6a and the inner diameter side insertion portion 6b of the pair of first slots 6 and 6 which face each other in a state of flying three slots. Although the second coil 9 is further inserted and incorporated in the state where 8a and 8b are inserted and incorporated, the coil end portion 8c of the first coil 8 that is incorporated in advance has both the inner and outer diameter sides of the second slot 7. Since the wires are routed so as to pass through the position corresponding to the connecting portion 7c between the insertion portions 7a and 7b, both the insertion portions 7a and 7b are blocked by the coil end portion 8c of the first coil 8. Therefore, the coil end portions 8c can be located inside and outside of the coil end portion 8c and can be seen through the slot groove from the coil end side, which facilitates the insertion work of the second coil leg portions 9a and 9b.
そのうち、第二コイル９のコイルエンド部９ｃは、第４
図で示すように、隣接する一方の第一コイル８−１のコ
イルエンド部８ｃ−１については乗り越えて交叉し、ロ
ータ軸芯側に並列するよう配線されるため、他方の第一
コイル８−２のコイルエンド部８ｃ−２に対しては交叉
することがなく、このため、周方向に隣接する両第一コ
イル８との交差が、従来のように必ず両側のものになる
ことが無く一方の第一コイル８との交差のみとなつて、
その分、コイルエンド部での軸芯方向の突出量を小さく
できて、モータの性能アツプと共に小型軽量化を達成で
きるという利点がある。Among them, the coil end portion 9c of the second coil 9 is the fourth
As shown in the figure, since the coil end portions 8c-1 of the adjacent first coil 8-1 are crossed over and crossed and wired so as to be parallel to the rotor shaft core side, the other first coil 8- The second coil end portions 8c-2 do not cross each other, and therefore, the crossing with both the first coils 8 adjacent in the circumferential direction does not always occur on both sides unlike the conventional one. Only the intersection with the first coil 8 of
Therefore, there is an advantage that the amount of protrusion in the axial direction at the coil end portion can be reduced, and the performance of the motor can be improved and the size and weight can be reduced.
さらに、第二スロツト７は、両挿入部７ａ、７ｂが径方
向に離間しており、ここにコイル脚部９ａ、９ｂが挿入
されることになるが、これら離間して挿入されるコイル
脚部９ａ、９ｂのうち、内径側挿入部７ｂに挿入するコ
イル脚部９ｂは、幅狭な連結部７ｃがロータ径方向外側
にあることによつて不用意に移動することがないよう支
持されることになり、この結果、ロータコア３が高速回
転しても、コイル脚部９ｂが振れる不具合がなく、信頼
性の高いものにできる。Further, in the second slot 7, both insertion portions 7a and 7b are radially separated from each other, and the coil leg portions 9a and 9b are to be inserted therein. Of the 9a and 9b, the coil leg portion 9b to be inserted into the inner diameter side insertion portion 7b is supported so as not to inadvertently move due to the narrow connecting portion 7c being on the outer side in the radial direction of the rotor. As a result, even if the rotor core 3 rotates at a high speed, there is no problem that the coil leg portion 9b swings, and the reliability can be improved.
尚、本発明は前記実施例に限定されるものではなく、例
えば巻線方式としては波巻きでなく重ね巻き方式のもの
でも勿論良く、さらには、コイルピツチを換えたもので
もよく、またコイルの挿入組込みの手順として、第一コ
イルと第二コイルとをスロツトに挿入しない状態で予め
仮り組込みして配列せしめた後、これらを一度に纏めて
挿入組込みするようにしてもよいのである。さらに、特
許請求の範囲に括弧書きで記載される符号は、当該特許
請求の範囲に記載される本発明の内容の理解を助けるた
め便宜上付したものであつて、この符号に限定されるも
のではない。The present invention is not limited to the above-described embodiment, and for example, the winding method may be a lap winding method instead of a wave winding method, and further, a coil pitch may be changed, and a coil may be inserted. As a procedure of assembling, the first coil and the second coil may be temporarily assembled in advance in a state where they are not inserted into the slot and arranged, and then these may be collectively inserted and assembled at once. Further, the reference numerals written in parentheses in the claims are added for convenience of understanding the contents of the present invention described in the claims, and are not limited to these reference numerals. Absent.
［作用効果］ 以上要するに、本発明は叙述の如く構成されたものであ
るから、スロツトに一対の単線コイルをロータ径方向に
一列状に挿入するものでありながら、隣接する第一、第
二スロツト同志は、溝深状に形成される第二スロツトの
内径側挿入部が、第一スロツトの内径側挿入部に対して
ロータ径方向内側に偏寄していて、第二スロツトの外内
径側挿入部間には幅狭な連結部が形成されている。この
結果、両スロツト間のテイースの間隔（幅）を、従来の
内径側挿入部を同位置に設定したものに比して広く確保
でき、両スロツト間のテイース間隔が狭い磁束密度が飽
和して出力アツプが果し得ないような不具合や、機械的
強度が低下したりする不具合を確実に回避できる。[Advantages] In short, since the present invention is constructed as described above, a pair of single wire coils are inserted into the slot in a row in the radial direction of the rotor. As for the same, the inner diameter side insertion part of the second slot formed in the groove depth is biased to the inner side in the rotor radial direction with respect to the inner diameter side insertion part of the first slot, and the outer diameter side insertion part of the second slot is inserted. A narrow connecting portion is formed between the portions. As a result, the space (width) of the teeth between both slots can be secured wider than the conventional one where the inner diameter side insertion part was set at the same position, and the magnetic flux density with a narrow space between the teeth is saturated. It is possible to reliably avoid such a defect that the output up is not achieved or the mechanical strength is lowered.
しかもこのものは、第一コイル両脚部が挿入組込みされ
た状態で第二コイルが挿入組込みされることになるが、
第一コイルのコイルエンド部は、第二スロツトの内外径
側挿入部のあいだの連結部に対応する位置を通るように
配線されるため、第二コイルが挿入されるスロツトの内
外径側挿入部は、第一コイルのコイルエンド部によつて
塞がれてしまうことがなく、第二コイルのスロツトへの
挿入作業が容易になる。Moreover, in this product, the second coil is inserted and incorporated with both legs of the first coil inserted and incorporated,
Since the coil end portion of the first coil is wired so as to pass through the position corresponding to the connecting portion between the inner and outer diameter side insertion portions of the second slot, the inner and outer diameter side insertion portions of the slot into which the second coil is inserted. Does not become blocked by the coil end portion of the first coil, which facilitates the insertion work of the second coil into the slot.
さらに、第二コイルのコイルエンド部は、周方向に隣接
する一方の第一コイルのコイルエンド部を乗り越えて交
叉し、そして隣接する他方の第一コイルのコイルエンド
部に対しては交叉することがない。この結果、隣接する
両第一コイルのコイルエンド部に対する第二コイルのコ
イルエンド部の交叉が一方のみとなつて、従来の両方を
乗り越えるものに比し、その分、コイルエンド部での軸
芯方向の突出量を小さくできて、モータの性能アツプと
共に小型軽量化を達成できるという利点がある。Further, the coil end portion of the second coil should cross over the coil end portion of one of the first coils adjacent to each other in the circumferential direction, and cross the coil end portion of the other adjacent first coil. There is no. As a result, the coil end portions of the second coil have only one intersection with the coil end portions of the adjacent first coils. This has the advantage that the amount of protrusion in the direction can be reduced, and the performance of the motor can be improved and the size and weight can be reduced.
さらに、第二コイルの内径側挿入部に挿入したコイル脚
部が、ロータ径方向外側にある幅狭な連結部によつて外
方に不用意に移動することがないよう支持されることに
なり、この結果、ロータコアが高速回転しても、第二コ
イルのコイル脚部が振れてしまう不具合がなく、信頼性
の高いものにできる。Further, the coil leg portion inserted into the inner diameter side insertion portion of the second coil is supported by the narrow connecting portion on the outer side in the radial direction of the rotor so as not to be inadvertently moved outward. As a result, even if the rotor core rotates at a high speed, there is no problem that the coil leg portion of the second coil swings, and the reliability can be improved.
図面は、本発明に係る回転電機用ロータの実施例を示し
たものであつて、第１図はモータの側面断面図、第２図
はコア部の断面正面図、第３図は第一コイルを組込んだ
状態を示すコイルエンド部の正面図、第４図は第二コイ
ルを組込んだ状態を示すコイルエンド部の正面図、第５
図はコイルエンド部の配線状態を示す要部斜視図、第６
図は従来のコイルエンド部の正面図である。 図中、２は永久磁石、３はロータ、５はロータコア、６
は第一スロツト、６ａは外径側挿入部、６ｂは内径側挿
入部、７は第二スロツト、７ａは外径側挿入部、７ｂは
内径側挿入部、７ｃは連結部、８、８−１、８−２は第
一コイル、８ａ、８ｂは脚部、８ｃ、８ｃ−１、８ｃ−
２はコイルエンド部、９は第二コイル、９ａ、９ｂは脚
部、９ｃはコイルエンド部である。The drawings show an embodiment of a rotor for a rotary electric machine according to the present invention. FIG. 1 is a side sectional view of a motor, FIG. 2 is a sectional front view of a core portion, and FIG. 3 is a first coil. And FIG. 4 is a front view of the coil end portion showing a state in which the second coil is incorporated, FIG.
The figure is a perspective view of a main part showing a wiring state of the coil end part,
The figure is a front view of a conventional coil end portion. In the figure, 2 is a permanent magnet, 3 is a rotor, 5 is a rotor core, 6
Is a first slot, 6a is an outer diameter side insertion portion, 6b is an inner diameter side insertion portion, 7 is a second slot, 7a is an outer diameter side insertion portion, 7b is an inner diameter side insertion portion, 7c is a connecting portion, 8, 8- 1, 8-2 are first coils, 8a, 8b are leg portions, 8c, 8c-1, 8c-
Reference numeral 2 is a coil end portion, 9 is a second coil, 9a and 9b are leg portions, and 9c is a coil end portion.
Claims (1)
ル（８）および第二コイル（９）とを有する回転電機用
ロータであつて、 ロータコア部（５）は、ロータ径方向に長い長孔形状の
第一スロツト（６）と、幅狭状の連結部（７ｃ）を有し
てロータ径方向に長いアレー形状の第二スロツト（７）
とが交互に形成され、 第一および第二コイル（８；９）は、それぞれ略Ｕ形状
に湾曲されて一対の脚部（８ａ、８ｂ；９ａ、９ｂ）
と、各両脚部（８ａ、８ｂ；９ａ、９ｂ）のあいだに位
置するコイルエンド部（８ｃ；９ｃ）とで構成されたも
のとし、 第一コイル（８）は、一方の脚部（８ａまたは８ｂ）が
第一または第二スロツト（６、７）の外径側挿入部（６
ａ、７ａ）に挿入され、他方の脚部（８ｂまたは８ａ）
が前記挿入した第一または第二スロツト（６、７）とは
適数個の間隔を存する第一スロツトの内径側挿入部（６
ｂ）に挿入され、コイルエンド部（８ｃ）が第二スロツ
トの連結部（７ｃ）に対向するよう配線され、 第二コイル（９）は、一方の脚部（９ａまたは９ｂ）が
第二または第一スロツトの外径側挿入部（７ａ、６ａ）
に挿入され、他方の脚部（９ｂまたは９ａ）が前記適数
個の間隔を存する第二スロツトの内径側挿入部（７ｂ）
に挿入され、コイルエンド部（９ｃ）が、両側に隣接す
る第一コイルのコイルエンド部（８ｃ）のうち一方のコ
イルエンド部（８ｃ）を乗り越え、他方のコイルエンド
部（８ｃ）に対してロータ軸芯側位置で並列して配線さ
れた 回転電機用ロータ。1. A rotor for a rotary electric machine, comprising: a rotor core portion (5); and a first coil (8) and a second coil (9) of each single wire, wherein the rotor core portion (5) is arranged in a rotor radial direction. A long slot-shaped first slot (6) and an array-shaped second slot (7) having a narrow connecting portion (7c) and long in the rotor radial direction.
Are alternately formed, and the first and second coils (8; 9) are each curved in a substantially U shape to form a pair of legs (8a, 8b; 9a, 9b).
And a coil end portion (8c; 9c) located between both leg portions (8a, 8b; 9a, 9b), and the first coil (8) has one leg portion (8a or 8b) is the outer diameter side insertion portion (6) of the first or second slot (6, 7).
a, 7a) and the other leg (8b or 8a)
Is an inner diameter side insertion portion (6) of the first slot having a proper number of intervals from the inserted first or second slot (6, 7).
b), the coil end portion (8c) is wired so as to face the connecting portion (7c) of the second slot, and the second coil (9) has one leg portion (9a or 9b) of the second or Outer diameter side insertion part (7a, 6a) of the first slot
Inner side insertion portion (7b) of the second slot which is inserted into the second slot and the other leg portion (9b or 9a) has the appropriate number of intervals.
And the coil end portion (9c) rides over one coil end portion (8c) of the coil end portions (8c) of the first coil adjacent to both sides, and the other coil end portion (8c) A rotor for a rotary electric machine that is wired in parallel at the rotor shaft side.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63227768A JPH0667161B2 (en) | 1988-09-12 | 1988-09-12 | Rotating machine rotor |
| CA000609798A CA1312901C (en) | 1988-09-12 | 1989-08-30 | Dc motor with u-shaped rotor-coil wire having inclined intermediate portion |
| US07/404,213 US5191250A (en) | 1988-09-12 | 1989-09-07 | Dc motor with u-shaped rotor-coil wire having inclined intermediate portion |
| DE8989402462T DE68904716T2 (en) | 1988-09-12 | 1989-09-08 | DC MOTOR WITH U-SHAPED ROTOR WINDING BAR WITH ANGLED INTERMEDIATE PART. |
| EP89402462A EP0359641B1 (en) | 1988-09-12 | 1989-09-08 | Dc motor with u-shaped rotor-coil wire having inclined intermediate portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63227768A JPH0667161B2 (en) | 1988-09-12 | 1988-09-12 | Rotating machine rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0279758A JPH0279758A (en) | 1990-03-20 |
| JPH0667161B2 true JPH0667161B2 (en) | 1994-08-24 |
Family
ID=16866076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63227768A Expired - Fee Related JPH0667161B2 (en) | 1988-09-12 | 1988-09-12 | Rotating machine rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0667161B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5918943B2 (en) * | 1978-11-27 | 1984-05-01 | 三菱電機株式会社 | Armature winding method for rotating electrical machines |
| JPS58201550A (en) * | 1982-05-17 | 1983-11-24 | Mitsuba Denki Seisakusho:Kk | Rotor for dc rotary machine |
| JPS58215965A (en) * | 1982-06-10 | 1983-12-15 | Mitsuba Denki Seisakusho:Kk | Dc rotary electric machine |
-
1988
- 1988-09-12 JP JP63227768A patent/JPH0667161B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0279758A (en) | 1990-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |