JP2000050574A - Fully sealed external fan induction motor - Google Patents
Fully sealed external fan induction motorInfo
- Publication number
- JP2000050574A JP2000050574A JP10208907A JP20890798A JP2000050574A JP 2000050574 A JP2000050574 A JP 2000050574A JP 10208907 A JP10208907 A JP 10208907A JP 20890798 A JP20890798 A JP 20890798A JP 2000050574 A JP2000050574 A JP 2000050574A
- Authority
- JP
- Japan
- Prior art keywords
- fan
- blades
- induction motor
- base
- cooling
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/287—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps with adjusting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、冷却性能を向上さ
せる全閉外扇形誘導電動機のファンに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fan of a fully enclosed fan-type induction motor for improving cooling performance.
【０００２】[0002]
【従来の技術】従来の全閉外扇形誘導電動機は、放射線
状に延びた羽根で外径方向に風を起こし、外扇カバーの
内壁に当て軸線方向に風向きを変えている。2. Description of the Related Art In a conventional fully enclosed fan-shaped induction motor, radially extending blades generate wind in the outer diameter direction, and the wind is changed in the axial direction against the inner wall of the outer fan cover.
【０００３】図３において、１１は電動機の軸、１２は
軸１１に固定されたロータ、１３はロータ１２に対向す
る位置に設けられたステータ、１４はロータ１２を保持
するブラケット、１５は軸１１に固定されたファン、１
６はブラケット１４にビスにて締め付け固定されている
ファンカバーで、ファン１５は放射線状に延びた複数枚
の固定された羽根を備えている。In FIG. 3, reference numeral 11 denotes a motor shaft, 12 denotes a rotor fixed to the shaft 11, 13 denotes a stator provided at a position facing the rotor 12, 14 denotes a bracket for holding the rotor 12, and 15 denotes a shaft 11 Fan fixed to 1
Reference numeral 6 denotes a fan cover which is fixed to the bracket 14 with screws, and the fan 15 has a plurality of fixed blades extending radially.
【０００４】このファン１５が回転して外周方向に発生
した冷却風は、ファンカバー１６の内周に当たり軸方向
に風向きを変えながら電動機に当たり冷却していた。The cooling air generated in the outer circumferential direction by the rotation of the fan 15 hits the inner circumference of the fan cover 16 and changes the air direction in the axial direction to cool the electric motor.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来の構成ではファンによって発生した冷却風はファンカ
バーの内周に直角方向に当たるため軸方向に風向きを変
えるには効率が悪く、スムーズに軸方向に流れる冷却風
を送ることが困難であった。このため、羽根に傾斜をつ
けてやると一方向の回転には良好でも逆回転させると風
向きも逆になり電動機の冷却ができなくなる問題があっ
た。However, in the above-described conventional configuration, the cooling air generated by the fan impinges on the inner periphery of the fan cover in a direction perpendicular to the fan cover, so that it is inefficient to change the wind direction in the axial direction, and the cooling air generated in the axial direction is not smooth. It was difficult to send flowing cooling air. For this reason, when the blades are inclined, there is a problem that even if the rotation is good in one direction, if the blade is rotated in the reverse direction, the wind direction is also reversed, and the motor cannot be cooled.
【０００６】本発明は、このような従来の課題を解決す
るもので、両回転方向に冷却性能を確保できる全閉外扇
形誘導電動機を提供することを目的とする。An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a totally enclosed fan-type induction motor capable of ensuring cooling performance in both rotation directions.
【０００７】[0007]
【課題を解決するための手段】上記の課題を解決するた
めに本発明は、ファンは放射線状に延びた複数枚の羽根
と、反出力軸に固定するボスを兼ねたベースとを備え、
前記複数枚のそれぞれの羽根と前記ベースとを複数のヒ
ンジにより結合し、前記羽根が任意の角度に係止可能か
つ自在に傾倒できるように構成したものである。According to the present invention, there is provided a fan comprising a plurality of radially extending blades, and a base serving also as a boss fixed to a non-output shaft.
The plurality of blades and the base are connected by a plurality of hinges so that the blades can be locked at an arbitrary angle and tilted freely.
【０００８】上記手段によって、回転方向に関係なくフ
ァンが発生する冷却風を電動機の外周面に当て冷却する
ことができる。[0008] By the above means, cooling air generated by the fan can be applied to the outer peripheral surface of the electric motor regardless of the rotation direction to cool the electric motor.
【０００９】[0009]
【発明の実施の形態】上記の課題を解決するために本発
明は、反出力軸側に固定されたファンと、前記ファンを
保護するファンカバーを具備した全閉外扇形誘導電動機
において、前記ファンは放射線状に延びた複数枚の羽根
と、反出力軸に固定するためのボスを兼ねたベースとを
備え、前記複数枚のそれぞれの羽根と前記ベースとを複
数のヒンジにより結合し、前記羽根が任意の角度に係止
可能かつ自在に傾倒できるようにしたことを特徴とする
全閉外扇形誘導電動機である。DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to solve the above-mentioned problems, the present invention relates to a fully enclosed fan-type induction motor having a fan fixed to a side opposite to an output shaft and a fan cover for protecting the fan. A plurality of radially extending blades and a base also serving as a boss for fixing to the counter-output shaft are provided, and each of the plurality of blades and the base are connected by a plurality of hinges, and the blades A fully enclosed fan-shaped induction motor characterized in that it can be locked at any angle and can be tilted freely.
【００１０】また、ファンは複数枚の羽根をさらに複数
枚に分割し、分割した前記羽根をヒンジにより結合し、
分割した前記複数枚の羽根が自在に傾倒できるようにし
た請求項１記載の全閉外扇形誘導電動機である。The fan further divides the plurality of blades into a plurality of blades, and connects the divided blades by hinges.
2. The fully enclosed fan-shaped induction motor according to claim 1, wherein the divided blades can be freely tilted.
【００１１】このように、ファンが回転すると羽根は空
気抵抗を受け、ヒンジにより任意の角度で係止され傾斜
の付いた羽根となるので、発生する冷却風の風向きは回
転方向に関係なく冷却風はファンカバーの内周に直角方
向に当たる外周方向からファンカバーの内周に沿ってス
ムーズに軸方向に流れ冷却効率の良い冷却風を電動機に
当てることができる。As described above, when the fan rotates, the blade receives the air resistance, and the blade is locked at an arbitrary angle by the hinge and becomes an inclined blade. Therefore, the direction of the generated cooling air is independent of the rotating direction. Can smoothly flow in the axial direction along the inner periphery of the fan cover from the outer peripheral direction which is perpendicular to the inner periphery of the fan cover, and can blow the cooling air with high cooling efficiency to the electric motor.
【００１２】また、羽根をさらに複数枚に分割すること
で、より複雑な羽根形状を両回転方向に実現し風量を増
やすことができるので、さらに冷却性能を向上させるこ
とができる。Further, by further dividing the blade into a plurality of blades, a more complicated blade shape can be realized in both rotation directions and the air volume can be increased, so that the cooling performance can be further improved.
【００１３】[0013]
【実施例】以下、本発明の実施例について図面を参照し
て説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１４】（実施例１）図１において、１は電動機の
軸、２は軸１に固定されたロータ、３はロータ２に対向
する位置に設けられたステータ、４はロータ２を保持す
るブラケット、５はファンで軸１に固定され、６はファ
ンカバーで、ファン５を覆いブラケット４にビス締め固
定されている。(Embodiment 1) In FIG. 1, 1 is a motor shaft, 2 is a rotor fixed to the shaft 1, 3 is a stator provided at a position facing the rotor 2, and 4 is a bracket for holding the rotor 2. Reference numeral 5 denotes a fan fixed to the shaft 1. Reference numeral 6 denotes a fan cover which covers the fan 5 and is fixed to the bracket 4 with screws.
【００１５】そしてファン５は、放射線状に延びた複数
枚の羽根５ａと反出力軸側に固定するボスを兼ねたベー
ス５ｂで構成され、さらに羽根５ａは個別のヒンジ７で
ベース５ｂに結合されている。The fan 5 is composed of a plurality of radially extending blades 5a and a base 5b which also serves as a boss fixed to the side opposite to the output shaft. ing.
【００１６】上記構成において、ファン５が回転すると
羽根５ａは、空気抵抗を受けヒンジ７で設定した角度ま
で傾斜した羽根となる。In the above configuration, when the fan 5 rotates, the blade 5a becomes a blade inclined to an angle set by the hinge 7 due to the air resistance.
【００１７】つまり羽根５ａはヒンジ７で設定する任意
の角度に傾倒させることができ、ファン５から発生する
冷却風は、両回転方向とも軸方向の風向きとなりファン
カバー６の内周に沿ってスムーズに電動機の外周面に当
たるので冷却性能を向上させることができる。That is, the blades 5a can be tilted at an arbitrary angle set by the hinges 7, so that the cooling air generated from the fan 5 has an axial direction in both directions of rotation, and smoothly flows along the inner periphery of the fan cover 6. As a result, the cooling performance can be improved.
【００１８】（実施例２）図２において、ファン８の複
数枚の羽根は、さらに羽根８ａ，羽根８ｂの２枚に分割
しており、それぞれヒンジ９ａ，９ｂと結合されてい
る。またヒンジ９ａはベース８ｃとヒンジ９ｂにそれぞ
れ連結させているので、ファン８が回転すると羽根８
ａ，羽根８ｂは、空気抵抗を受けそれぞれのヒンジ９
ａ，９ｂで設定した角度まで傾斜した羽根となる。(Embodiment 2) In FIG. 2, a plurality of blades of a fan 8 are further divided into two blades 8a and 8b, which are connected to hinges 9a and 9b, respectively. Also, since the hinge 9a is connected to the base 8c and the hinge 9b, when the fan 8 rotates, the blade 8
a, the blades 8b receive air resistance and each hinge 9
The blades are inclined to the angles set in a and 9b.
【００１９】つまり羽根８ａと羽根８ｂは、ヒンジ９ａ
とヒンジ９ｂとで微細な角度に傾倒させ複雑なファン形
状を実現でき、ファン８が発生する冷却風の風量を増加
させ冷却性能を向上させることができる。That is, the blade 8a and the blade 8b are connected to the hinge 9a.
And the hinge 9b can be tilted at a fine angle to realize a complicated fan shape, and the amount of cooling air generated by the fan 8 can be increased to improve the cooling performance.
【００２０】[0020]
【発明の効果】上記実施例の記載から明らかなように請
求項１記載の発明によれば、ファンの羽根とベースを複
数個所のヒンジにより結合したもので、ファンが回転し
て発生する冷却風は回転方向に関係なく軸方向の風向き
となり、ファンカバーの内周に沿ってスムーズに電動機
の外周面に当たり冷却性能を向上させることができる。As is apparent from the description of the above embodiment, according to the first aspect of the present invention, the fan blade and the base are connected by a plurality of hinges, and the cooling air generated by the rotation of the fan is generated. , The wind direction in the axial direction is irrespective of the direction of rotation, and can smoothly contact the outer peripheral surface of the electric motor along the inner periphery of the fan cover to improve the cooling performance.
【００２１】また請求項２記載の発明によれば、羽根を
さらに複数枚に分割しヒンジにより結合したもので、羽
根の傾斜をより微細に設定，変化させ風量を増加させて
冷却性能を向上することができる。According to the second aspect of the present invention, the blades are further divided into a plurality of blades and connected by hinges, and the inclination of the blades is set and changed more finely to increase the air volume, thereby improving the cooling performance. be able to.
【００２２】このように羽根の付け根にヒンジを用いた
ので両回転方向に冷却性能を確保した全閉外扇形誘導電
動機を得ることができる。Since the hinges are used at the roots of the blades as described above, it is possible to obtain a fully-closed fan-type induction motor in which cooling performance is ensured in both rotation directions.
【図１】（ａ）本発明の実施例を示す全閉外扇形誘導電
動機の半正断面図 （ｂ）同半側断面図FIG. 1 (a) is a semi-forward sectional view of a fully enclosed fan-shaped induction motor showing an embodiment of the present invention.
【図２】本発明の他の実施例を示す全閉外扇形誘導電動
機の断面図FIG. 2 is a cross-sectional view of a fully enclosed fan-shaped induction motor showing another embodiment of the present invention.
【図３】（ａ）従来の全閉外扇形誘導電動機の半正断面
図 （ｂ）同半側断面図FIG. 3 (a) is a semi-positive sectional view of a conventional fully enclosed fan-shaped induction motor, and FIG.
５，８ ファン ５ａ，８ａ，８ｂ 羽根 ５ｂ，８ｃ ベース ６ ファンカバー ７，９ａ，９ｂ ヒンジ 5,8 fan 5a, 8a, 8b blade 5b, 8c base 6 fan cover 7,9a, 9b hinge
Claims (2)
ファンを保護するファンカバーを具備した全閉外扇形誘
導電動機において、前記ファンは放射線状に延びた複数
枚の羽根と、反出力軸に固定するためのボスを兼ねたベ
ースとを備え、前記複数枚のそれぞれの羽根と前記ベー
スとを複数のヒンジにより結合し、前記羽根が任意の角
度に係止可能かつ自在に傾倒できるようにしたことを特
徴とする全閉外扇形誘導電動機。1. A fully-closed outer fan-shaped induction motor having a fan fixed to a non-output shaft side and a fan cover for protecting the fan, wherein the fan comprises a plurality of radially extending blades, and a non-output shaft. A base that also serves as a boss for fixing the blades to each other, the plurality of blades and the base are coupled by a plurality of hinges, and the blades can be locked at any angle and tilted freely. A fully enclosed fan-shaped induction motor.
分割し、分割した前記羽根をヒンジにより結合し、前記
分割した複数枚の羽根が自在に傾倒できるようにした請
求項１記載の全閉外扇形誘導電動機。2. The whole fan according to claim 1, wherein the fan further divides the plurality of blades into a plurality of blades, and connects the divided blades with a hinge so that the plurality of divided blades can be freely tilted. Closed fan-shaped induction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10208907A JP2000050574A (en) | 1998-07-24 | 1998-07-24 | Fully sealed external fan induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10208907A JP2000050574A (en) | 1998-07-24 | 1998-07-24 | Fully sealed external fan induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000050574A true JP2000050574A (en) | 2000-02-18 |
Family
ID=16564107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10208907A Pending JP2000050574A (en) | 1998-07-24 | 1998-07-24 | Fully sealed external fan induction motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000050574A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016096041A1 (en) * | 2014-12-19 | 2016-06-23 | Arçeli̇k Anoni̇m Şi̇rketi̇ | Fan for cooling an induction motor |
| CN106329799A (en) * | 2016-10-21 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor sealing structure and motor |
| CN113653669A (en) * | 2020-05-12 | 2021-11-16 | 三菱电机株式会社 | Centrifugal fan and rotating electric machine |
-
1998
- 1998-07-24 JP JP10208907A patent/JP2000050574A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016096041A1 (en) * | 2014-12-19 | 2016-06-23 | Arçeli̇k Anoni̇m Şi̇rketi̇ | Fan for cooling an induction motor |
| CN106329799A (en) * | 2016-10-21 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor sealing structure and motor |
| CN113653669A (en) * | 2020-05-12 | 2021-11-16 | 三菱电机株式会社 | Centrifugal fan and rotating electric machine |
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