JPH06121490A - Water-cooled motor - Google Patents
Water-cooled motorInfo
- Publication number
- JPH06121490A JPH06121490A JP26453092A JP26453092A JPH06121490A JP H06121490 A JPH06121490 A JP H06121490A JP 26453092 A JP26453092 A JP 26453092A JP 26453092 A JP26453092 A JP 26453092A JP H06121490 A JPH06121490 A JP H06121490A
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- electric motor
- frame
- water
- 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
Landscapes
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は小形で高出力を得るため
に、冷却水路を備えた電動機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric motor having a cooling water passage in order to obtain a small size and high output.
【0002】[0002]
【従来の技術】従来、温度上昇を低く押えた高出力空冷
式電動機と比較して同出力で小形化がはかれる水冷式電
動機では、冷却のための水路を設ける際に、電動機の各
部に鋳造成形や加工によって水路を構成したり、特別の
部材で水路を設けたりするという方法で水冷式電動機を
構成していた。2. Description of the Related Art Conventionally, in a water-cooled electric motor, which has the same output as that of a high-power air-cooled electric motor that keeps the temperature rise low, a water-cooled electric motor can be cast-molded on each part of the electric motor when a water passage for cooling is provided. The water-cooled electric motor was constructed by a method of forming a water channel by machining or processing or providing a water channel with a special member.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、一般に
電動機は軸側の前方のブラケットを介して相手機械等に
取り付けられるため、電動機内に冷却水路を循環させて
から、電動機の後方に冷却水路の出入口を設けることに
なるが、従来の構成では電動機の各部に複雑な水路を形
成することになり、また流路長の割には冷却効果が少な
いという欠点を有していた。However, since the electric motor is generally attached to the other machine through the bracket on the front side of the shaft, the cooling water passage is circulated in the electric motor, and then the inlet / outlet of the cooling water passage is provided behind the electric motor. However, the conventional configuration has a drawback that a complicated water channel is formed in each part of the electric motor, and the cooling effect is small for the length of the channel.
【0004】本発明は上記課題を解決するもので、冷却
水路の形成を容易にすると共に、冷却効果の良好は水冷
式電動機を提供することを目的とする。SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and an object thereof is to provide a water-cooled electric motor which facilitates formation of a cooling water passage and has a good cooling effect.
【0005】[0005]
【課題を解決するための手段】本発明は上記目的を達成
するために、略矩形断面を有するフレームの角部とこの
フレームの両端面に、各々冷却水路と流路溝を設けて電
動機を構成するものであり、さらに冷却水路内の固定子
側の面部に複数の凹凸フィン部をも備えてなるものであ
る。In order to achieve the above object, the present invention constitutes an electric motor by providing a cooling water channel and a flow channel at each corner of a frame having a substantially rectangular cross section and both end faces of this frame. In addition, a plurality of concavo-convex fin portions are also provided on the surface portion on the stator side in the cooling water passage.
【0006】[0006]
【作用】本発明は上記した構成により、冷却水路と流路
溝をフレームのみに設けており、また上記冷却水路内に
は凹凸フィン部を形成しているので、水路形成を容易に
行うことができ、かつ冷却効果を上げることができる。According to the present invention, since the cooling water passage and the flow passage groove are provided only in the frame and the uneven fin portion is formed in the cooling water passage, the water passage can be easily formed. The cooling effect can be improved.
【0007】[0007]
【実施例】以下、本発明の一実施例について図1,図2
および図3を参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.
Also, description will be made with reference to FIG.
【0008】図に示すように、本発明による水冷式電動
機1は、2個のブラケット12,13間に介在する固定
子14を内蔵したフレーム10を有している。As shown in the figure, the water-cooled electric motor 1 according to the present invention has a frame 10 containing a stator 14 interposed between two brackets 12 and 13.
【0009】略矩形断面のフレーム10の角部には、偶
数の冷却水路21を設け、またフレーム10の両端面に
は、流路溝22,23を形成している。流路溝23は、
冷却水路21の往路(電動機の後方のブラケット13か
ら前方のブラケット12の方へ流す)から復路へ流れる
方向の流路溝であり、流路溝22は冷却水路21の復路
(前方のブラケット12から後方のブラケット13の方
へ流す)から往路へ流れる方向の流路溝である。11
a,11bは各々、流路溝22,23を端面に形成した
フレーム10と前後方のブラケット12,13とに挟持
されたゴムパッキンである。ゴムパッキン11bには、
電動機の後方つまり反軸側に冷却水路21の1対の出入
口に導く貫通孔が設けられ、ブラケット13に配設した
出入口18a,18bに通じている。Even-numbered cooling water passages 21 are provided at the corners of the frame 10 having a substantially rectangular cross section, and flow passage grooves 22 and 23 are formed at both end faces of the frame 10. The channel groove 23 is
The flow channel 22 is a flow channel in the direction from the outward route of the cooling water channel 21 (flowing from the rear bracket 13 of the electric motor to the front bracket 12) to the return channel. It is a flow channel groove in the direction of flowing from the rearward bracket 13) to the outward path. 11
Reference characters a and 11b denote rubber packings sandwiched between the frame 10 having the flow path grooves 22 and 23 formed on the end faces and the front and rear brackets 12 and 13, respectively. In the rubber packing 11b,
Through holes that lead to a pair of inlets and outlets of the cooling water passage 21 are provided on the rear side of the electric motor, that is, on the opposite shaft side, and communicate with the inlets and outlets 18a and 18b arranged in the bracket 13.
【0010】20は冷却水路21の固定子14側の面部
に形成した凹凸フィン部を示している。Reference numeral 20 denotes an uneven fin portion formed on the surface of the cooling water passage 21 on the side of the stator 14.
【0011】上記構成において、略矩形断面のフレーム
10の角部のスペースを利用して、偶数の冷却水路21
を設け、フレーム10の両端面に冷却水路21相互間の
流路溝を形成することで、電動機内の循環した冷却水路
と反軸側に1対の出入口18a,18bを構成できるの
で、ブラケット12,13やゴムパッキン11a,11
b等を冷却水路構成のために特別な形状にする必要はな
く、簡単な構造ですむ。In the above structure, the spaces at the corners of the frame 10 having a substantially rectangular cross section are utilized to make an even number of cooling water passages 21.
And the pair of inlets / outlets 18a and 18b can be formed on the opposite shaft side to the circulating cooling water passage in the electric motor by forming the passage grooves between the cooling water passages 21 on both end faces of the frame 10. , 13 and rubber packings 11a, 11
It is not necessary to make b etc. a special shape for the construction of the cooling water channel, and a simple structure is sufficient.
【0012】さらに、冷却水路21内に凹凸フィン部2
0を形成して放熱面積を増加させることで、限られた電
動機形状のもとで冷却効果を向上させることが容易な水
冷式電動機を提供できる。Further, the uneven fin portion 2 is provided in the cooling water passage 21.
By forming 0 to increase the heat dissipation area, it is possible to provide a water-cooled electric motor that can easily improve the cooling effect under a limited electric motor shape.
【0013】[0013]
【発明の効果】以上の実施例から明らかなように、本発
明によれば略矩形断面のフレームの角部とこのフレーム
の両端面を利用して、冷却水路と流路溝を構成できるの
で、極めて構造が簡単で低コストな水冷式電動機を提供
できる。As is apparent from the above embodiments, according to the present invention, the cooling water channel and the flow channel can be formed by utilizing the corners of the frame having the substantially rectangular cross section and the both end faces of the frame. It is possible to provide a water-cooled electric motor having an extremely simple structure and low cost.
【0014】さらに、冷却水路内に凹凸フィン部を設け
ることで限られた電動機体格で最大限の冷却効果を上げ
ることのできる水冷式電動機を構成できる。Further, by providing the concavo-convex fin portion in the cooling water passage, it is possible to construct a water-cooled electric motor capable of maximizing the cooling effect with a limited electric motor size.
【図1】本発明の一実施例における水冷式電動機の構成
を示す側面半断面図FIG. 1 is a side half-sectional view showing the configuration of a water-cooled electric motor according to an embodiment of the present invention.
【図2】図1のA−A矢視図(ゴムパッキン11bは除
く。固定子14の詳細は図示せず)2 is a view on arrow AA of FIG. 1 (excluding the rubber packing 11b. The details of the stator 14 are not shown).
【図3】同電動機の外観斜視図FIG. 3 is an external perspective view of the electric motor.
1 水冷式電動機 10 フレーム 11a,11b ゴムパッキン 12,13 ブラケット 14 固定子 15 軸 16 回転子 18a,18b 冷却水路の出入口 20 凹凸フィン部 21 冷却水路 22,23 流路溝 DESCRIPTION OF SYMBOLS 1 Water-cooled electric motor 10 Frame 11a, 11b Rubber packing 12, 13 Bracket 14 Stator 15 Shaft 16 Rotor 18a, 18b Cooling water channel entrance / exit 20 Uneven fin part 21 Cooling water channel 22,23 Flow channel groove
Claims (2)
蔵したフレームを有し、このフレーム内の軸方向に冷却
水路を設けた水冷式電動機において、前記フレームの略
矩形断面の角部に、偶数の冷却水路を設け、このフレー
ムの両端面に前記冷却水路相互間の流路溝を備え、前記
冷却水路の1対の出入口を反軸側に設けることを特徴と
する水冷式電動機。1. A water-cooled electric motor having a frame containing a stator interposed between two brackets, wherein a cooling water passage is provided in an axial direction in the frame, at a corner of a substantially rectangular cross section of the frame. A water-cooled electric motor, wherein an even number of cooling water passages are provided, flow passage grooves between the cooling water passages are provided on both end faces of the frame, and a pair of inlets and outlets of the cooling water passages are provided on the opposite shaft side.
内の固定子側の面部に複数の凹凸フィン部を設けること
を特徴とする請求項1記載の水冷式電動機。2. The water-cooled electric motor according to claim 1, wherein a plurality of concavo-convex fin portions are provided on a surface of the cooling water passage on the side of the stator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26453092A JPH06121490A (en) | 1992-10-02 | 1992-10-02 | Water-cooled motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26453092A JPH06121490A (en) | 1992-10-02 | 1992-10-02 | Water-cooled motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH06121490A true JPH06121490A (en) | 1994-04-28 |
Family
ID=17404543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26453092A Pending JPH06121490A (en) | 1992-10-02 | 1992-10-02 | Water-cooled motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH06121490A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19716758A1 (en) * | 1997-04-12 | 1998-10-22 | Struckmeier Gmbh Antriebstechn | Electrical machine with fluid cooling |
JP2003324900A (en) * | 2002-05-01 | 2003-11-14 | Denso Corp | Electric compressor |
KR100446791B1 (en) * | 1997-12-27 | 2004-11-10 | 발레오전장시스템스코리아 주식회사 | Water cooled motor eliminating necessity of communicating coolant inlet/outlet ports of packing and support rim |
JP2010093984A (en) * | 2008-10-09 | 2010-04-22 | Toshiba Mach Co Ltd | Liquid-cooling structure of servomotor, and liquid-cooled motor |
CN101826770A (en) * | 2010-05-17 | 2010-09-08 | 江苏航天动力机电有限公司 | High-efficiency energy-saving motor base |
JP2011193695A (en) * | 2010-03-16 | 2011-09-29 | Yaskawa Electric Corp | Rotating electric machine |
US8415864B2 (en) | 2010-03-16 | 2013-04-09 | Kabushiki Kaisha Yaskawa Denki | Rotating electrical machine |
CN104242537A (en) * | 2014-09-23 | 2014-12-24 | 中色(天津)特种材料有限公司 | Aluminum alloy motor shell and manufacturing method thereof |
CN110212678A (en) * | 2019-06-25 | 2019-09-06 | 上海珊泽精密金属制品有限公司 | A kind of combination manufacture formula motor case and its manufacturing process |
CN110707864A (en) * | 2019-10-30 | 2020-01-17 | 中车株洲电机有限公司 | New energy automobile motor frame |
-
1992
- 1992-10-02 JP JP26453092A patent/JPH06121490A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19716758A1 (en) * | 1997-04-12 | 1998-10-22 | Struckmeier Gmbh Antriebstechn | Electrical machine with fluid cooling |
DE19716758C2 (en) * | 1997-04-12 | 2002-01-10 | System Antriebstechnik Dresden | Housing-free electrical machine with several axial cooling channels with direct fluid flow |
KR100446791B1 (en) * | 1997-12-27 | 2004-11-10 | 발레오전장시스템스코리아 주식회사 | Water cooled motor eliminating necessity of communicating coolant inlet/outlet ports of packing and support rim |
JP2003324900A (en) * | 2002-05-01 | 2003-11-14 | Denso Corp | Electric compressor |
JP2010093984A (en) * | 2008-10-09 | 2010-04-22 | Toshiba Mach Co Ltd | Liquid-cooling structure of servomotor, and liquid-cooled motor |
JP2011193695A (en) * | 2010-03-16 | 2011-09-29 | Yaskawa Electric Corp | Rotating electric machine |
US8415864B2 (en) | 2010-03-16 | 2013-04-09 | Kabushiki Kaisha Yaskawa Denki | Rotating electrical machine |
CN101826770A (en) * | 2010-05-17 | 2010-09-08 | 江苏航天动力机电有限公司 | High-efficiency energy-saving motor base |
CN104242537A (en) * | 2014-09-23 | 2014-12-24 | 中色(天津)特种材料有限公司 | Aluminum alloy motor shell and manufacturing method thereof |
CN110212678A (en) * | 2019-06-25 | 2019-09-06 | 上海珊泽精密金属制品有限公司 | A kind of combination manufacture formula motor case and its manufacturing process |
CN110707864A (en) * | 2019-10-30 | 2020-01-17 | 中车株洲电机有限公司 | New energy automobile motor frame |
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