JPS6166543A - Ventilated cooling device for rotary electric machine - Google Patents
Ventilated cooling device for rotary electric machineInfo
- Publication number
- JPS6166543A JPS6166543A JP18841984A JP18841984A JPS6166543A JP S6166543 A JPS6166543 A JP S6166543A JP 18841984 A JP18841984 A JP 18841984A JP 18841984 A JP18841984 A JP 18841984A JP S6166543 A JPS6166543 A JP S6166543A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- rotor
- core
- air
- ventilation
- 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
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は５回転電機の通風冷却装置に関するものであ
り、さらに詳しくいうと、回転子通風孔、固定子通風孔
１１よびコアパック通風路がそれぞれ回転子軸と平行に
形成され１回転子細に固定された冷却ファノにより通風
冷却する回ＩＦｘ？Ｉ！機の通風冷却装置に関するもの
である。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a ventilation cooling device for a five-rotation electric machine. IFx? A cooling fan that is formed parallel to the rotor axis and fixed to the rotor thinly is used to cool the rotor through ventilation. I! This relates to the ventilation cooling system for aircraft.
従来、この種の装置として第１図１ｗ４２図に示すもの
があツｔコ。図において、回転子軸（１２に固定された
回転子コア（２）に回転子軸（１］と平行な複数の回転
子通風孔（３）が貫通して形成されてＪＪす、エアギャ
ップ（４１を介して回転子コア（２）を囲む固定子コア
（５Ｊにも回転子軸（１）と平行な複数の固定子通風孔
（６）がｉ’ｆｉ＃Ｌ、て形成されている。また固定子
コア（５）とフレーム（力の間には仕切板（８）で仕切
られた回転子軸（１）と平行な複数のコアパック通風路
（９１が形成されている。フレーム（７）の両端面には
吸気人口Ｑｔｌと排気出口αｐが設けられ。Conventionally, a device of this type is shown in FIG. 1W42. In the figure, a plurality of rotor ventilation holes (3) parallel to the rotor shaft (1) are formed to penetrate through the rotor core (2) fixed to the rotor shaft (12). A plurality of stator ventilation holes (6) parallel to the rotor axis (1) are also formed in the stator core (5J) surrounding the rotor core (2) via the stator core (i'fi#L). In addition, a plurality of core pack ventilation passages (91) parallel to the rotor shaft (1), which are partitioned by partition plates (8), are formed between the stator core (5) and the frame (7). ) are provided with an intake population Qtl and an exhaust outlet αp on both end faces.
回転子軸（１）に冷却ファンａｚが固定されている。A cooling fan az is fixed to the rotor shaft (1).
口は固定子導体、α◆は回転子導体である。The opening is the stator conductor, and α◆ is the rotor conductor.
以上の構成により１回転子軸（１）が回転すると冷却フ
ァンｒｉｚにようて外気が吸気入口０１１から吸込まれ
、この空気は固定子通風孔（６）、コアパック通風路（
９）、エアギャップ（４）１回転子通風孔（３）を矢印
で示すように平行に流れ、冷却ファンａｚを経て排気出
口（２）から排出される。固定子通風孔（６１を流れる
空気は主に１１！ｉｌ定子導体（２）、固定子コア（５
）を冷却し、コアパック通風路（９）を通る空気は固定
子コア（５）を冷却し、エアギャップ（４）を流れる空
気は固定子導体υ、固定子コア（５Ｊ１回転子導体α◆
および回転子コア（２）を冷却し１回転子通風孔（３）
を通る空気は回転子導体−と回転子コア（２）を冷却す
る。しかし１以上の冷却効果は各部分で相違する。＠３
図、は各部分の軸方向位置の温度を定１・１．的に下し
たもので、実線ａは固定子通風孔（６１を辿る空気ｎ４
度、破線すは固定子導体αＪの温度、鎖線ｃ ＋、ｔコ
アパック通弘路（９）を通る空気温度を７１りす。With the above configuration, when the first rotor shaft (1) rotates, outside air is sucked in from the intake inlet 011 by the cooling fan riz, and this air flows through the stator ventilation holes (6) and the core pack ventilation path (
9) Air gap (4) 1 The air flows in parallel through the rotor ventilation hole (3) as shown by the arrow, passes through the cooling fan az, and is discharged from the exhaust outlet (2). The air flowing through the stator ventilation holes (61) mainly flows through the 11!il stator conductor (2), stator core (5
), the air passing through the core pack ventilation passage (9) cools the stator core (5), and the air flowing through the air gap (4) cools the stator conductor υ, the stator core (5J1 rotor conductor α◆
and one rotor ventilation hole (3) which cools the rotor core (2).
The air passing through cools the rotor conductors and the rotor core (2). However, the cooling effect of one or more is different for each part. @3
In the figure, the temperature at the axial position of each part is set to 1.1. The solid line a represents the air flowing through the stator ventilation hole (61).
The dashed line c is the temperature of the stator conductor αJ, and the dashed line c is the temperature of the air passing through the core pack passageway (9).
上記の従来装置にあっては、エアギャップ（４）を流Ｊ
する空気はきわめて少ｈｌであることから、固定子コア
（５）を冷却するために固定子通風孔（６）を設けてい
た。しかし、固定子通風孔（６１を通る空気の温度は、
＠３図に実線ａで示すように、出口付近でかなりｔ＆温
となり、固定子コア（５）も破線すで示すように妬温と
なり入口付吐と出口付近の固定子コイルＯＪの絶縁物の
寿命に対する影響が異なるという欠点があった。In the above conventional device, the air gap (4) is
Since the amount of air flowing through the stator is extremely small, stator ventilation holes (6) were provided to cool the stator core (5). However, the temperature of the air passing through the stator ventilation holes (61) is
@3 As shown by the solid line a in Figure 3, the temperature near the outlet becomes considerably t&temperature, and the stator core (5) also becomes very hot as shown by the broken line, and the insulation of the stator coil OJ near the inlet and outlet and the outlet. The drawback was that the effects on lifespan were different.
この発明は、以上の点酪ζｎ目してこなされたもので、
フレームに、固定子コアの背部に相対して吸気口を設け
、かつ固定子コアの端部から固定子通風孔に有効に空気
が流れるように導風板を設け、更に、固定子通風孔とエ
アギャップを連通ずる連通孔を固定子コアに、また、エ
アギヤ、プと回転子通風孔を連通ずる連通孔を回転子コ
アそれぞれに設け、固定子通風孔、及び回転子通風孔を
流れる空気をコアパック通風路を流れる空気によって冷
却し、固定子導体、固定子コアに対する冷却効果を向上
し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。This invention has been made in view of the above points,
The frame is provided with an intake port facing the back of the stator core, and an air guide plate is provided so that air can effectively flow from the end of the stator core to the stator ventilation hole. A communication hole is provided in the stator core to communicate the air gap, and a communication hole is provided in each rotor core to communicate the air gear, the rotor ventilation hole, and the rotor ventilation hole. It is an object of the present invention to provide a ventilation cooling device for a rotating electric machine that improves the cooling effect on stator conductors and stator cores by cooling them with air flowing through a core pack ventilation path.
以下、この発明の一実施例を第４図、第５図、＠６図、
１ｌｉ７図、第８図について説明する。図において、α
珍はフレーム（７）の両端に設けられた排気出口、ａ３
は回転子軸（１）に嵌着された冷却ファンで、回転子コ
ア（２）の両側−ζそれぞれ１個宛取付けられている。Hereinafter, one embodiment of this invention will be shown in Figs. 4, 5, and 6.
1li7 and FIG. 8 will be explained. In the figure, α
The unusual feature is the exhaust outlet provided at both ends of the frame (7), a3.
is a cooling fan fitted to the rotor shaft (1), one on each side of the rotor core (2).
（至）はエアギャップ（４）と回転子通風孔（３）を連
通する回転子連通孔で１回転子コア（２）の半径方向に
回転子コア（２）を貫通し設けられている。αθは固定
子通風孔（６）とエアギャップ（４）とを連通ずる固定
子連通孔で、固定子コア（５）の半径方向に固定子コア
（５１を貫通して設けられている。ａでは固定子コア（
５）の両端に設けられた導風板で、この導風板は固定子
通風孔（６）を流れる空気の向きを制御するものである
。すなわら、＠４図、Ｉｉ’！５図に示すように、すぐ
隣矢の固定子通風孔（６）の空気の流れとは逆になるよ
うにするため、＠６図に示すように、互い違いに取付け
られている。（ＩＩは固定子コア（５）の背部に相対し
て、フレーム（７１Ｉｒ−設けられた吸気口である。(to) is a rotor communication hole that communicates the air gap (4) and the rotor ventilation hole (3), and is provided to penetrate the rotor core (2) in the radial direction of the first rotor core (2). αθ is a stator communication hole that communicates the stator ventilation hole (6) and the air gap (4), and is provided to penetrate the stator core (51) in the radial direction of the stator core (5).a Now, the stator core (
5) are air guide plates provided at both ends of the stator, and these air guide plates control the direction of air flowing through the stator ventilation holes (6). In other words, @Figure 4, Ii'! As shown in Figure 5, the stator ventilation holes (6) are installed alternately as shown in Figure 6 to ensure that the air flow is opposite to that of the stator ventilation hole (6) immediately adjacent to it. (II is an inlet port provided in the frame (71Ir-) opposite the back of the stator core (5).
なお、その他の構成は従来と同様であるから説明を省略
する。Note that the other configurations are the same as those of the prior art, so explanations will be omitted.
次に作用、動作について説明する。回転子軸（１１が回
転すると冷却ファンｒｉｚによりて外気が吸気口０１１
から吸込まれ、この空気はコアパック通風路（９１，導
風板顛、固定子通風孔（６）％を矢印で示すように流れ
る。又一部の空気は、固定子遅遅孔αｅ、エアギャップ
（４）１回転子連通孔（２）を矢印で示すように流れ１
回転子通風孔（３）１冷却フアンａりを経て排気出口（
ロ）から排出される。固定子連通孔ａｅ、ＶＡ定子通風
孔（６）を流れる空気は主に固定子導体ｏＪ、固定子コ
ア（５）を冷却し、コアパック通風路（９）を通る空気
は固定子コア（５）を冷却し、エアギャップ（４１を流
れろ空気は固定子導体（２）、固定子コア（５）１回転
子導体α４および回転子コア（２）を冷却し、回転子連
通孔（２）１回転子通風孔（３）を通る空気は回転子導
体α◆と回転子コア（２）を冷却する。Next, the function and operation will be explained. When the rotor shaft (11) rotates, the outside air is drawn into the intake port 011 by the cooling fan riz.
This air flows through the core pack ventilation passage (91, air guide plate, stator ventilation hole (6)%) as shown by the arrow.Also, some air flows through the stator slow hole αe, the air gap (4) Flow 1 through the 1st rotor communication hole (2) as shown by the arrow.
Rotor ventilation hole (3) 1 Exhaust outlet (through cooling fan a)
(b) is discharged from The air flowing through the stator communication hole ae and the VA stator ventilation hole (6) mainly cools the stator conductor oJ and the stator core (5), and the air flowing through the core pack ventilation path (9) cools the stator core (5). ), the air flows through the air gap (41) and cools the stator conductor (2), stator core (5) 1, rotor conductor α4 and rotor core (2), and the air flows through the rotor communication hole (2) 1. The air passing through the rotor ventilation holes (3) cools the rotor conductors α◆ and the rotor core (2).
また、同峙暑こ低温の外気が吸気口（財）から、矢印で
示すように、コアパック通風路（９）に流れ込み第８図
に示すように、コアパック通風路（９）に流れる空気温
度Ｃを下げ、固定子通風孔（５）を流れる空気温変態も
下げる。これにより固定子導体（至）の１１度すを従来
に比べて大幅に下降させ、冷却効果を向上することがで
きる。In addition, the hot and low temperature outside air flows from the air intake into the core pack ventilation path (9) as shown by the arrow, and the air flows into the core pack ventilation path (9) as shown in Figure 8. The temperature C is lowered, and the temperature transformation of the air flowing through the stator ventilation holes (5) is also lowered. As a result, the height of the stator conductor (to) can be significantly lowered by 11 degrees compared to the conventional method, and the cooling effect can be improved.
なお、上記実施例では開放形誘導電動機について示した
が、開放形なら、同期電動機でも発電機でありてもよく
、また全閉形の場合でも同様の効果を実する。In the above embodiment, an open type induction motor is shown, but as long as the open type is used, it may be a synchronous motor or a generator, and even a completely closed type can achieve the same effect.
〔発明の効果］
以上のよう１ζ、この発明によれば、コアパック通風路
および固定子通風孔、回転子通風孔を流れる空気の温度
を１効に均一化させて固定子、及び回転子の冷却効果を
向上し、絶縁物の劣化を抑制できる効果をＨする。[Effects of the Invention] As described above, according to the present invention, the temperature of the air flowing through the core pack ventilation passage, the stator ventilation hole, and the rotor ventilation hole is made uniform to one effect, and the temperature of the stator and rotor is improved. H is the effect of improving the cooling effect and suppressing deterioration of insulators.
第１図は従来［ｆの側断面図、第２図は第１図の■−ｕ
線にｈう平面での断面図、＠３図はその温度分布線図、
第４図及び第５図はこの発明の一実施例で第６図のシー
Ｖ線及びｖ−ｖ線に６５側断面図、＠６図はこの発明の
一実施例をコア外周部から見た図、第７図は、第６因の
側面図％ｌｉｇ図はその温度分布線図である。
（１）・・・回転子軸、（２）・・・回転子コア、（３
）・・・回転子通風孔、（４１・・・エアギャップ、（
５）・・・固定子コア、（６）・・・固定子通風孔、
（７１・・・フレーム、（９１・・・コアパック通風路
、（ロ）・・・排気出口、（１３・・・冷却ファノ、（
２）・・・固定子導体、α棒・・・回転子導体、（至）
・・・回転子連通孔、翰・−・固定子連通孔、 ａｎ・
・・導風板、（財）・・・吸気口。
なお、各図中、同一符号は同一まｒこは相当部分を示す
。Figure 1 is a side sectional view of the conventional [f], Figure 2 is the ■-u of Figure 1.
A cross-sectional view on a plane parallel to the line, @Figure 3 is the temperature distribution diagram,
Figures 4 and 5 show an embodiment of this invention, and 65 side sectional views are taken along lines C-V and v-v in Figure 6, and Figure 6 shows an embodiment of this invention viewed from the outer periphery of the core. Figure 7 is a side view of the sixth factor, and the %lig diagram is its temperature distribution diagram. (1)...Rotor shaft, (2)...Rotor core, (3
)...Rotor ventilation hole, (41...Air gap, (
5)... Stator core, (6)... Stator ventilation hole,
(71... Frame, (91... Core pack ventilation path, (B)... Exhaust outlet, (13... Cooling fan, (
2)...Stator conductor, α rod...Rotor conductor, (to)
...Rotor communication hole, kiln...Stator communication hole, an...
...Air guide plate, (Foundation)...Intake port. In each figure, the same reference numerals and the same circles indicate corresponding parts.
Claims (1)
レーム間に形成されるコアパック通風路と、回転子コア
を貫通する回転子通風孔とがそれぞれ回転子軸と平行に
複数形成され、上記回転子軸に固定された冷却ファンに
より通風冷却する回転電機の通風冷却装置において、上
記固定子コアの背部に相対して上記フレームに形成され
、上記コアパック通風路に外気を導入する吸気口と、上
記固定子コアの両端面に固着され、上記コアパック通風
路からの外気を上記固定子コア端部から上記固定子通風
孔に導入するための導風板と、上記固定子コアを径方向
に貫通して形成され、上記固定子通風孔とエアギャップ
とを連通する固定子連通孔と、上記回転子コアを径方向
に貫通して形成され、上記回転子通風孔と上記エアギャ
ップとを連通する回転子連通孔と、上記同転子軸に嵌着
され、外気を誘引し、かつ軸方向の両端側に排出させる
一対の冷却ファンを備えてなることを特徴とする回転電
機の通風冷却装置。A plurality of stator ventilation holes penetrating the stator core, a core pack ventilation passage formed between the stator core and the frame, and a plurality of rotor ventilation holes penetrating the rotor core are each formed parallel to the rotor axis. , in a ventilation cooling device for a rotating electric machine that performs ventilation cooling by a cooling fan fixed to the rotor shaft, an air intake is formed on the frame opposite to the back of the stator core and introduces outside air into the core pack ventilation passage; the stator core; a stator communication hole that is formed to radially penetrate and communicate between the stator ventilation hole and the air gap; and a stator communication hole that is formed to radially penetrate the rotor core and communicate between the rotor ventilation hole and the air gap. A rotor communication hole that communicates with the rotor, and a pair of cooling fans that are fitted on the rotor shaft to attract outside air and exhaust it to both ends in the axial direction. Ventilation cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18841984A JPS6166543A (en) | 1984-09-07 | 1984-09-07 | Ventilated cooling device for rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18841984A JPS6166543A (en) | 1984-09-07 | 1984-09-07 | Ventilated cooling device for rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6166543A true JPS6166543A (en) | 1986-04-05 |
Family
ID=16223331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18841984A Pending JPS6166543A (en) | 1984-09-07 | 1984-09-07 | Ventilated cooling device for rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6166543A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2930381A1 (en) * | 2008-04-18 | 2009-10-23 | Leroy Somer Moteurs | ELECTRIC MACHINE WITH DOUBLE VENTILATION SEPARATE |
| JP2011193623A (en) * | 2010-03-15 | 2011-09-29 | Nippon Soken Inc | Rotary electric machine |
| CN102420498A (en) * | 2011-11-23 | 2012-04-18 | 中船重工电机科技股份有限公司 | Air course of jacket-cooled generator |
| CN103746484A (en) * | 2013-12-19 | 2014-04-23 | 重庆赛力盟电机有限责任公司 | Structure increasing cast aluminum rotor iron core ventilation area |
| WO2018233284A1 (en) * | 2017-06-19 | 2018-12-27 | 胡佳培 | Servo motor |
| WO2018233208A1 (en) * | 2017-06-19 | 2018-12-27 | 邝嘉豪 | Heat dissipation device for servo motor spindle |
-
1984
- 1984-09-07 JP JP18841984A patent/JPS6166543A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2930381A1 (en) * | 2008-04-18 | 2009-10-23 | Leroy Somer Moteurs | ELECTRIC MACHINE WITH DOUBLE VENTILATION SEPARATE |
| WO2009138636A1 (en) * | 2008-04-18 | 2009-11-19 | Moteurs Leroy-Somer | Electric machine with separate double ventilation |
| CN102007668A (en) * | 2008-04-18 | 2011-04-06 | 利莱森玛发电机有限公司 | Electric machine with separate double ventilation |
| JP2011193623A (en) * | 2010-03-15 | 2011-09-29 | Nippon Soken Inc | Rotary electric machine |
| CN102420498A (en) * | 2011-11-23 | 2012-04-18 | 中船重工电机科技股份有限公司 | Air course of jacket-cooled generator |
| CN103746484A (en) * | 2013-12-19 | 2014-04-23 | 重庆赛力盟电机有限责任公司 | Structure increasing cast aluminum rotor iron core ventilation area |
| WO2018233284A1 (en) * | 2017-06-19 | 2018-12-27 | 胡佳培 | Servo motor |
| WO2018233208A1 (en) * | 2017-06-19 | 2018-12-27 | 邝嘉豪 | Heat dissipation device for servo motor spindle |
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