JPH08107646A - Coil end support structure of rotary electric machine - Google Patents
Coil end support structure of rotary electric machineInfo
- Publication number
- JPH08107646A JPH08107646A JP6239899A JP23989994A JPH08107646A JP H08107646 A JPH08107646 A JP H08107646A JP 6239899 A JP6239899 A JP 6239899A JP 23989994 A JP23989994 A JP 23989994A JP H08107646 A JPH08107646 A JP H08107646A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- coil end
- electric machine
- end support
- stator
- 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.)
- Withdrawn
Links
Landscapes
- Windings For Motors And Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は回転電機のコイルエンド
支持構造に関し、固定子コイルのコイル端を確実に支持
しつつ冷却能力が向上するように工夫したものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil end supporting structure for a rotary electric machine, and is devised so as to improve the cooling capacity while surely supporting the coil end of the stator coil.
【０００２】[0002]
【従来の技術】図５は回転電機の一例を示す。同図にお
いて、１はフレーム、２は固定子鉄心、３は固定子コイ
ル、４はブラケット、５は回転子、６はシャフト、７は
軸受である。このうち固定子コイル３のコイル端（固定
子鉄心の外に出ている部分）相互は、エンド駒と呼ばれ
るスペーサにより支持されている。2. Description of the Related Art FIG. 5 shows an example of a rotary electric machine. In the figure, 1 is a frame, 2 is a stator core, 3 is a stator coil, 4 is a bracket, 5 is a rotor, 6 is a shaft, and 7 is a bearing. Among them, the coil ends of the stator coil 3 (portions protruding outside the stator core) are supported by spacers called end pieces.
【０００３】即ち、固定子の端部を示す図６及び図７、
図７のＡ−Ｂ断面である図８に示すように、固定子コイ
ル３のコイル端３ａの相互間にはスペーサ８が打ち込ま
れ、スペーサ８及びコイル端３ａが紐９により一体に緊
縛されている。このような支持構造とすることにより、
コイル端３ａに働く電磁力に耐え、コイル端３ａに生じ
る振動を防いでいる。なお固定子鉄心２には冷却用の通
風ダクト２ａが形成されている。That is, FIGS. 6 and 7 showing the ends of the stator,
As shown in FIG. 8 which is a cross section taken along the line AB of FIG. 7, a spacer 8 is driven between the coil ends 3 a of the stator coil 3, and the spacer 8 and the coil end 3 a are tightly bound together by a string 9. There is. By having such a support structure,
It withstands the electromagnetic force acting on the coil end 3a and prevents the vibration generated at the coil end 3a. A ventilation duct 2a for cooling is formed in the stator core 2.
【０００４】固定子コイル３のうちコイル端３ａは固定
子鉄心２の外にあるので直接冷却され、また固定子３の
うち固定子鉄心２の中に納められたコイル辺は通風ダク
ト２ａを通る風により冷却される。Since the coil end 3a of the stator coil 3 is outside the stator core 2, it is directly cooled, and the coil side of the stator 3 accommodated in the stator core 2 passes through the ventilation duct 2a. Cooled by wind.
【０００５】[0005]
【発明が解決しようとする課題】ところで上記従来技術
では次のような問題があった。 スペーサ８により、コイル端３ａの間を通る風がさえ
ぎられ、冷却効果を損なっていた。 コイル端３ａの相互間にスペーサ８を１個づつ打ち込
まなければならず、製作するのに手間がかかった。 隣接するコイル端３ａの相互間にスペーサ８を入れて
いたため、コイル端３ａ間に反発力が働いた場合には、
スペーサ８が落下してスペーサの役割をなさなかった。However, the above-mentioned prior art has the following problems. The spacer 8 blocks the air passing between the coil ends 3a, impairing the cooling effect. It was necessary to drive the spacers 8 one by one between the coil ends 3a, which was troublesome to manufacture. Since the spacer 8 is inserted between the adjacent coil ends 3a, when a repulsive force acts between the coil ends 3a,
The spacer 8 fell and did not function as a spacer.
【０００６】本発明は、上記従来技術に鑑み、冷却効果
を向上させ、反発力にも耐え、しかも製作の容易な回転
電機のコイルエンド支持構造を提供することを目的とす
る。In view of the above-mentioned prior art, it is an object of the present invention to provide a coil end support structure for a rotary electric machine, which has an improved cooling effect, withstands repulsive force, and is easy to manufacture.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決する本発
明は、回転電機の固定鉄心に備えた固定子コイルのう
ち、固定子鉄心の外に出ているコイル端を支持する回転
電機のコイルエンド支持構造において、断面コ字形状を
なし、この形状のために形成された凹部に、隣接するコ
イル端をまたぎつつ納める状態で、隣接するコイル端に
コイル端支持部材を取り付け、しかも上述した状態で取
り付けたコイル端支持部材を周方向に並べて配置したこ
とを特徴とする。DISCLOSURE OF THE INVENTION The present invention for solving the above problems provides a coil of a rotary electric machine, which supports a coil end of the stator core provided on a fixed core of the rotary electric machine, the coil end extending outside the stator core. In the end support structure, the coil end support member is attached to the adjacent coil end in a state where the end support structure has a U-shaped cross section and is housed in the recess formed due to this shape while straddling the adjacent coil end It is characterized in that the coil end support members attached in step 1 are arranged side by side in the circumferential direction.
【０００８】また本発明は、前記コイル端支持部材とコ
イル端とを紐により緊縛したことを特徴とする。Further, the present invention is characterized in that the coil end supporting member and the coil end are tightly bound with a string.
【０００９】また本発明は、前記コイル端支持部材には
緊縛用の紐が入る溝が形成されていることを特徴とす
る。Further, the present invention is characterized in that the coil end supporting member is formed with a groove into which a binding string is inserted.
【００１０】[0010]
【作用】本発明ではコイル端支持部材が断面コ字状とな
っているため、冷却風がコイル端の間に入ることができ
る。またコイル端支持部材を隣接するコイル端をまたい
だ状態で取り付けるだけでよい。In the present invention, since the coil end supporting member has a U-shaped cross section, cooling air can enter between the coil ends. Further, it is only necessary to attach the coil end supporting member in a state of straddling the adjacent coil ends.
【００１１】[0011]
【実施例】以下の本発明の実施例を図面に基づき詳細に
説明する。なお従来技術と同一機能をはたす部分には同
一符号を付し、重複する説明は省略する。Embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that parts having the same functions as those of the conventional technique are denoted by the same reference numerals, and redundant description will be omitted.
【００１２】図１は本発明の実施例を示し、図２は図１
のＣ−Ｄ断面を示し、図３はコイル端支持部材１０を示
す。本実施例で用いるコイル端支持部材１０は、断面コ
字形状となっており、ガラス積層板にセミキュアを含浸
して熱硬化したものである。このコイル端支持部材１０
は、断面コ字形状となったために形成された凹部１０ａ
に、隣接する一対のコイル端３ａをまたぎつつ納めた状
態で、一対のコイル端３ａに取り付けられる。FIG. 1 shows an embodiment of the present invention, and FIG.
3 is a sectional view taken along line C-D of FIG. The coil end support member 10 used in this embodiment has a U-shaped cross section, and is obtained by impregnating a glass laminate with semi-cure and thermosetting. This coil end support member 10
Is a recess 10a formed because it has a U-shaped cross section.
Is attached to the pair of coil ends 3a while straddling the pair of adjacent coil ends 3a.
【００１３】コイル端支持部材１０は周方向に並んで配
列されており、本実施例では、コイル端支持部材１０を
並べた列は、軸方向に間隔をあけて２列形成されてい
る。The coil end supporting members 10 are arranged side by side in the circumferential direction, and in this embodiment, the rows in which the coil end supporting members 10 are arranged are formed in two rows at intervals in the axial direction.
【００１４】また図１では示していないが、紐によりコ
イル端支持部材１０とコイル端３ａとを緊縛するように
してもよい。更に紐を用いて緊縛するときには図４示す
ように、紐が入る溝１１をコイル端支持部材１０に形成
するようにしてもよい。Although not shown in FIG. 1, the coil end supporting member 10 and the coil end 3a may be tightly bound by a string. Further, when binding with a string, as shown in FIG. 4, a groove 11 into which the string is inserted may be formed in the coil end support member 10.
【００１５】本実施例では、コイル端支持部材１０がコ
字形状となっているため、コイル端支持部材１０を取り
付けた部分であってもコイル端３ａの間に風が入り、冷
却効果が高くなる。また、コイル端３ａをまたいだ状態
でコイル端支持部材１０を取り付けるだけでよいため、
製作が容易である。更にコイル端３ａ相互間に反発力が
生じても、コイル端支持部材１０は一対のコイル端３ａ
をまたいでいるめ、コイル端支持部材１０は落下するこ
とはない。また、溝１１を形成した場合には、紐による
緊縛を強化することができる。In this embodiment, since the coil end supporting member 10 has a U-shape, air is introduced between the coil ends 3a even at the portion where the coil end supporting member 10 is attached, and the cooling effect is high. Become. Further, since it is only necessary to attach the coil end support member 10 in a state of straddling the coil end 3a,
Easy to make. Further, even if a repulsive force is generated between the coil ends 3a, the coil end support member 10 is not affected by the pair of coil ends 3a.
The coil end support member 10 does not fall because it straddles the above. Further, when the groove 11 is formed, the tight binding by the string can be strengthened.
【００１６】[0016]
【発明の効果】以上実施例と共に具体的に説明したよう
に本発明によれば、コイル端支持部材の形状を断面コ字
形状としたので、コイル端における冷却効果が向上し、
反発力に対しても耐えることができる。また紐用の溝を
形成することにより紐による緊縛力を強化することがで
きる。According to the present invention as specifically described in connection with the above embodiments, the coil end supporting member has a U-shaped cross section, so that the cooling effect at the coil end is improved,
Can withstand repulsive force. Further, by forming the groove for the string, the binding force by the string can be strengthened.
【図１】本発明の実施例を示す構成図。FIG. 1 is a configuration diagram showing an embodiment of the present invention.
【図２】図１のＣ−Ｄ断面を示す断面図。FIG. 2 is a cross-sectional view showing a CD cross section of FIG.
【図３】コイル端支持部材を示す斜視図。FIG. 3 is a perspective view showing a coil end support member.
【図４】コイル端支持部材を示す斜視図。FIG. 4 is a perspective view showing a coil end support member.
【図５】回転電機を示す構成図。FIG. 5 is a configuration diagram showing a rotating electric machine.
【図６】回転電機の固定子の端部を示す構成図。FIG. 6 is a configuration diagram showing an end portion of a stator of a rotating electric machine.
【図７】回転電機の固定子の端部を示す構成図。FIG. 7 is a configuration diagram showing an end portion of a stator of a rotating electric machine.
【図８】図７のＡ−Ｂ断面を示す断面図。8 is a cross-sectional view showing a cross section taken along the line AB of FIG.
１ フレーム ２ 固定子鉄心 ２ａ 通風ダクト ３ 固定子コイル ３ａ コイル端 ４ ブラケット ５ 回転子 ６ シャフト ７ 軸受 ８ スペーサ ９ 紐 １０ コイル端支持部材 １０ａ 凹部 １１ 溝 1 frame 2 stator core 2a ventilation duct 3 stator coil 3a coil end 4 bracket 5 rotor 6 shaft 7 bearing 8 spacer 9 string 10 coil end support member 10a recess 11 groove
Claims (3)
ルのうち、固定子鉄心の外に出ているコイル端を支持す
る回転電機のコイルエンド支持構造において、 断面コ字形状をなし、この形状のために形成された凹部
に、隣接するコイル端をまたぎつつ納める状態で、隣接
するコイル端にコイル端支持部材を取り付け、 しかも上述した状態で取り付けたコイル端支持部材を周
方向に並べて配置したことを特徴とする回転電機のコイ
ルエンド支持構造。1. A coil end supporting structure of a rotating electric machine, which supports a coil end of a stator coil provided on a fixed iron core of the rotating electric machine, the coil end protruding outside the stator iron core. The coil end support members are attached to the adjacent coil ends in a state where they are housed in the recesses formed due to the shape while straddling the adjacent coil ends, and the coil end support members attached in the above-described state are arranged side by side in the circumferential direction. A coil end support structure for a rotating electric machine, characterized in that
により緊縛したことを特徴とする請求項１の回転電機の
コイルエンド支持構造。2. The coil end support structure for a rotating electric machine according to claim 1, wherein the coil end support member and the coil end are tightly bound with a string.
入る溝が形成されていることを特徴とする請求項２の回
転電機のコイルエンド支持構造。3. The coil end support structure for a rotating electric machine according to claim 2, wherein the coil end support member is formed with a groove into which a binding string is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6239899A JPH08107646A (en) | 1994-10-04 | 1994-10-04 | Coil end support structure of rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6239899A JPH08107646A (en) | 1994-10-04 | 1994-10-04 | Coil end support structure of rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08107646A true JPH08107646A (en) | 1996-04-23 |
Family
ID=17051517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6239899A Withdrawn JPH08107646A (en) | 1994-10-04 | 1994-10-04 | Coil end support structure of rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08107646A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016015797A (en) * | 2014-07-01 | 2016-01-28 | トヨタ自動車株式会社 | Dynamo-electric machine stator |
-
1994
- 1994-10-04 JP JP6239899A patent/JPH08107646A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016015797A (en) * | 2014-07-01 | 2016-01-28 | トヨタ自動車株式会社 | Dynamo-electric machine stator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020115 |