JPS59172953A - Ventillation cooler of rotary electric machine - Google Patents
Ventillation cooler of rotary electric machineInfo
- Publication number
- JPS59172953A JPS59172953A JP4677783A JP4677783A JPS59172953A JP S59172953 A JPS59172953 A JP S59172953A JP 4677783 A JP4677783 A JP 4677783A JP 4677783 A JP4677783 A JP 4677783A JP S59172953 A JPS59172953 A JP S59172953A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- cooler
- rotor
- communicates
- fan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は回転電機の通風冷却装置に係り、特に冷却器、
主ファンおよび補助ファン等を有している回転電機の通
風冷却装置に関するものである。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a ventilation cooling device for a rotating electrical machine, and particularly relates to a cooler,
The present invention relates to a ventilation cooling device for a rotating electrical machine that has a main fan, an auxiliary fan, and the like.
第１図には回転電機の通風冷却装置の従来例が示されて
いる。同図に示されているように通風冷却装置は固定子
１および回転子２からなっている回転電機の固定子１の
固定子枠３に設けられている冷却器４、この冷却器４で
冷却された冷ガスを固定子１および回転子２に送風する
回転子２の回転軸に設けられた主ファン５、この主ファ
ン５からの冷カスで回転子２のエンドコイル６を冷却す
る回転子２のエンドリング７に設けられだ補助ファン８
等から構成されている。なお同図において９は保持環、
１０．１１は絶縁物である。FIG. 1 shows a conventional example of a ventilation cooling device for a rotating electric machine. As shown in the figure, the ventilation cooling system includes a cooler 4 installed in a stator frame 3 of a stator 1 of a rotating electrical machine consisting of a stator 1 and a rotor 2. A main fan 5 installed on the rotating shaft of the rotor 2 blows the cooled gas to the stator 1 and the rotor 2, and a rotor that cools the end coil 6 of the rotor 2 with the cold waste from the main fan 5. Auxiliary fan 8 installed in the end ring 7 of 2
It is composed of etc. In addition, in the same figure, 9 is a retaining ring,
10.11 is an insulator.
す々わち図中に実線の矢印で示されているように冷却器
４から出た冷ガスは主ファン５によって回転子２および
固定子１に送られ、夫々を冷却して暖くなった温ガスは
冷却器４の入口から冷却器４に入り、冷却されて再び循
環するようになっている。That is, as shown by the solid arrow in the figure, the cold gas coming out of the cooler 4 is sent to the rotor 2 and stator 1 by the main fan 5, cooling them and making them warm. The hot gas enters the cooler 4 from the inlet of the cooler 4, is cooled and circulated again.
ところでとのように構成された通風冷却装置では補助フ
ァン８によって回転子２のエンドコイル６を冷却して暖
くなった温ガスが保持環９の端部（補助ファン８の出口
）より放出するため、主フ端
アン５から放出され、固定子１の鉄心部を冷却す八
るための冷ガスと混合して冷ガスの温度を上げてし捷い
、鉄心端部の冷却を不十分なものとし、鉄心端部の過熱
を惹起していた。By the way, in the ventilation cooling device configured as above, the end coil 6 of the rotor 2 is cooled by the auxiliary fan 8, and the warm gas is released from the end of the retaining ring 9 (the outlet of the auxiliary fan 8). Therefore, it is discharged from the main fan end 5, mixes with the cold gas for cooling the iron core of the stator 1, raises the temperature of the cold gas, and is not sufficiently cooled at the end of the iron core. This caused the end of the iron core to overheat.
〔発明の目的〕
本発明は以上の点に鑑みなされたものであり、固定子の
冷却効果を向上させた回転電機の通風冷却装置を提供す
ることを目的とするものである。[Object of the Invention] The present invention has been made in view of the above points, and an object of the present invention is to provide a ventilation cooling device for a rotating electrical machine that improves the cooling effect of a stator.
すなわち本発明は補助ファンに、その出口から冷却器の
入口捷で連通ずる通風路を設けたことを特徴とするもの
である。That is, the present invention is characterized in that the auxiliary fan is provided with a ventilation passage that communicates from the outlet of the auxiliary fan with the inlet of the cooler.
以下、図示した実施例に基づいて本発明を説明する。第
２図および第３図には本発明の一実施例が示されている
。なお従来と同じ部品には同じ符号を付したので説明を
省略する。本実施例では補助ファン８に、その出口から
冷却器４０入口まで連通ずる通風路１２を設けた。この
ようにするととにより固定子１の鉄心端部は冷ガスで冷
却されるようになって、固定子１の冷却効果を向上させ
た回転電機の通風冷却装置を得ることができる。The present invention will be explained below based on the illustrated embodiments. An embodiment of the invention is shown in FIGS. 2 and 3. Note that parts that are the same as those in the conventional system are given the same reference numerals, and therefore their explanations will be omitted. In this embodiment, the auxiliary fan 8 is provided with a ventilation passage 12 communicating from its outlet to the inlet of the cooler 40. By doing this, the core end of the stator 1 is cooled by the cold gas, and it is possible to obtain a ventilation cooling device for a rotating electric machine in which the cooling effect of the stator 1 is improved.
すなわち補助ファン８の出口と冷却器４の入口との間を
連通ずる通風路１２を設けた。そしてこの通風路１２を
補助ファン８の、出・口と連通し、かつ固定子枠３に固
定されたエンドカバー１３に設けた円環状の収納箱１４
と、この収納箱１４と連結管１５を介して連通し、かつ
エンドカバー１３に設けた円環状のガス収納箱１６と、
とのガス収納箱１６と穴１７を介して連通し、かつエン
ドカバー１３に設けたダクト１８と、このダクト１８と
連結穴１９を介して連通し、かつ冷却器４の入口に達す
るパイプ２０とで形成した。このようにすることにより
回転子２のエンドコイル６を冷却して暖くなった補助フ
ァン８の出口から出た淵ガスは円環状の収納箱１４から
連結管１５、円環状のガス収納箱１６、穴１７、ダクト
１８、連結穴１９およびパイプ２０を通って冷却器４め
入口に達するようになる。とのため従来のように補助フ
ァン８の出口から出た温ガスが、主ファン５から放出さ
れ、固定子１の鉄心端部を冷却するだめの冷ガスと混合
することがなくなって、固定子１の鉄心端部は冷ガスで
冷却されるようになり、固定子１の冷却効果を向上させ
るととができる。That is, a ventilation passage 12 is provided that communicates between the outlet of the auxiliary fan 8 and the inlet of the cooler 4. This ventilation passage 12 is communicated with the outlet/outlet of the auxiliary fan 8, and an annular storage box 14 is provided on an end cover 13 fixed to the stator frame 3.
and an annular gas storage box 16 that communicates with this storage box 14 via a connecting pipe 15 and is provided on the end cover 13.
A duct 18 provided in the end cover 13 that communicates with the gas storage box 16 through a hole 17, and a pipe 20 that communicates with the duct 18 through a connecting hole 19 and reaches the inlet of the cooler 4. It was formed with By doing this, the deep gas discharged from the outlet of the auxiliary fan 8 that cools the end coil 6 of the rotor 2 and becomes warm is transferred from the annular storage box 14 to the connecting pipe 15 and the annular gas storage box 16. , the hole 17, the duct 18, the connection hole 19 and the pipe 20 to reach the fourth inlet of the cooler. As a result, the hot gas coming out of the outlet of the auxiliary fan 8 is no longer emitted from the main fan 5 and mixed with the cold gas intended to cool the iron core end of the stator 1, as in the conventional case, and the stator The end of the iron core 1 is now cooled with cold gas, and the cooling effect of the stator 1 can be improved.
上述のように本発明は固定子の鉄心端部を冷ガスで冷却
するようにしたので、冷ガスで冷却されるようになって
、固定子の冷却効果を向上することができるようになり
、固定子の冷却効果を向上させた回転電機の通風冷却装
置を得ることができる。As described above, in the present invention, the iron core end of the stator is cooled with cold gas, so that it is possible to improve the cooling effect of the stator. It is possible to obtain a ventilation cooling device for a rotating electrical machine that improves the cooling effect of the stator.
第１図は従来の回転電機の通風冷却装置の縦断側面図、
第２図は本発明の回転電機の通風冷却装置の一実施例の
縦断側面図、第３図は本発明の回転電機の通風冷却装置
の一実施例の通風路の斜視図である。Figure 1 is a vertical side view of a conventional ventilation cooling system for rotating electric machines.
FIG. 2 is a longitudinal sectional side view of an embodiment of the ventilation cooling device for a rotating electrical machine according to the present invention, and FIG. 3 is a perspective view of a ventilation path of an embodiment of the ventilation cooling device for a rotating electrical machine according to the invention.
Claims (1)
の固定子枠に設けられている冷却器と、この冷却器で冷
却された冷ガスを前記固定子および回転子に送風する前
記回転子の回転軸に設けられた主ファンと、この主ファ
ンからの前記冷ガスで前記回転子のエンドコイルを冷却
する前記回転子のエンドリングに設けられた補助ファン
とを有している回転電機の通風冷却装置において、前記
補助ファンに、その出口から前記冷却器の入口まで連通
ずる通風路を設けたことを特徴とする回転電機の通風冷
却装置。 ２、前記通風路が、前記補助ファンの出口と連通し、か
つ前記固定子枠に固定されたエンドカバーに設けられた
円環状の収納箱と、この収納箱と連結管を介して連通し
、かつ前記エンドカバーに設けられた円環状のカス収納
箱と、このガス収納箱と穴を介して連通し、かつ前記エ
ンドカバーに設けられたダクトと、このダクトと連結穴
を介して連通し、かつ前記冷却器の入口に達するパイプ
とで形成されたものである特許請求の範囲第１項記載の
回転電機の通風冷却装置。[Claims] 1. A cooler provided in the stator frame of the stator of a rotating electrical machine consisting of a stator and a rotor, and a cooler that cools the cold gas to the stator and rotor. A main fan provided on the rotating shaft of the rotor that blows air to the rotor, and an auxiliary fan provided on the end ring of the rotor that cools the end coil of the rotor with the cold gas from the main fan. A ventilation cooling device for a rotating electrical machine, characterized in that the auxiliary fan is provided with a ventilation passage communicating from its outlet to the inlet of the cooler. 2. The ventilation passage communicates with the outlet of the auxiliary fan and communicates with an annular storage box provided on an end cover fixed to the stator frame via a connecting pipe, and communicates with an annular waste storage box provided on the end cover through a hole, and communicates with a duct provided on the end cover through a connection hole, The ventilation cooling device for a rotating electric machine according to claim 1, wherein the ventilation cooling device is formed of a pipe that reaches an inlet of the cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4677783A JPS59172953A (en) | 1983-03-17 | 1983-03-17 | Ventillation cooler of rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4677783A JPS59172953A (en) | 1983-03-17 | 1983-03-17 | Ventillation cooler of rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59172953A true JPS59172953A (en) | 1984-09-29 |
Family
ID=12756756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4677783A Pending JPS59172953A (en) | 1983-03-17 | 1983-03-17 | Ventillation cooler of rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59172953A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7071586B2 (en) * | 2001-03-07 | 2006-07-04 | Hitachi, Ltd. | Dynamo-electric machine |
| US7294943B2 (en) | 2001-03-07 | 2007-11-13 | Hitachi, Ltd. | Electric rotating machine |
| EP2383867A1 (en) * | 2010-04-28 | 2011-11-02 | Siemens Aktiengesellschaft | Electric machine |
| CN110718979A (en) * | 2019-09-25 | 2020-01-21 | 西安交通大学 | Motor rotor iron core heat dissipation structure based on gas-liquid phase change, motor and motor heat dissipation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5216610A (en) * | 1975-07-30 | 1977-02-08 | Hitachi Ltd | Rotors for rotary electric machines |
-
1983
- 1983-03-17 JP JP4677783A patent/JPS59172953A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5216610A (en) * | 1975-07-30 | 1977-02-08 | Hitachi Ltd | Rotors for rotary electric machines |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7071586B2 (en) * | 2001-03-07 | 2006-07-04 | Hitachi, Ltd. | Dynamo-electric machine |
| US7294943B2 (en) | 2001-03-07 | 2007-11-13 | Hitachi, Ltd. | Electric rotating machine |
| EP2383867A1 (en) * | 2010-04-28 | 2011-11-02 | Siemens Aktiengesellschaft | Electric machine |
| US8816547B2 (en) | 2010-04-28 | 2014-08-26 | Siemens Aktiengesellschaft | Electric machine with cooling arrangement |
| CN110718979A (en) * | 2019-09-25 | 2020-01-21 | 西安交通大学 | Motor rotor iron core heat dissipation structure based on gas-liquid phase change, motor and motor heat dissipation method |
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