JPH0789726B2 - Liquid cooling structure of stator - Google Patents
Liquid cooling structure of statorInfo
- Publication number
- JPH0789726B2 JPH0789726B2 JP2077111A JP7711190A JPH0789726B2 JP H0789726 B2 JPH0789726 B2 JP H0789726B2 JP 2077111 A JP2077111 A JP 2077111A JP 7711190 A JP7711190 A JP 7711190A JP H0789726 B2 JPH0789726 B2 JP H0789726B2
- Authority
- JP
- Japan
- Prior art keywords
- stator
- cooling
- liquid
- cooling structure
- liquid 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はモータにおけるステータを液体により直接に冷
却する冷却用構造に関する。従って、工作機械の主軸の
ビルトインモータの冷却に利用可能である。The present invention relates to a cooling structure for directly cooling a stator of a motor with a liquid. Therefore, it can be used for cooling the built-in motor of the spindle of a machine tool.
従来、ステータを液冷する場合には、ステータにスリー
ブを被せ、該スリーブを介して冷却する構造が一般的に
採用されている。Conventionally, when liquid-cooling a stator, a structure in which a sleeve is covered on the stator and cooling is performed via the sleeve is generally adopted.
然しながら、スリーブを介することは冷却効率を低下さ
せ、また、モータの外径寸法を大きくすることとなり、
特に、コンパクト化の要請されるビルトインモータにお
いては欠点となる。However, the use of the sleeve lowers the cooling efficiency and increases the outer diameter of the motor.
In particular, this is a drawback in a built-in motor that requires compactness.
依って本発明は冷却効率を向上させると共に、コンパク
トなステータの液冷構造の提供を目的とする。Therefore, it is an object of the present invention to improve cooling efficiency and provide a compact liquid cooling structure for a stator.
上記目的に鑑みて本発明は、ステータの冷却用構造であ
って、該ステータを両面に有機接着剤をコーティングし
た積層用要素板を複数枚積層、圧着させて形成し、該ス
テータの外表面にメッキ層を施し、該メッキ層の表面を
直接に液冷することを特徴とするステータの液冷構造を
提供する。In view of the above object, the present invention is a cooling structure for a stator, wherein the stator is formed by laminating and crimping a plurality of lamination element plates each having an organic adhesive coated on both sides thereof, and forming the lamination on the outer surface of the stator. A liquid cooling structure for a stator, wherein a plating layer is applied and the surface of the plating layer is directly liquid-cooled.
〔作 用〕 有機接着剤のみでは各積層用要素板間を密封する上で十
分な信頼性はないため、積層構成されたステータの外表
面にメッキ層を施し、これにより密封性を確保する。メ
ッキ層はその厚さ寸法が小さいため、モータの外径寸法
への影響はないといえる。[Operation] Since the organic adhesive alone does not have sufficient reliability for sealing between the lamination element plates, a plating layer is applied to the outer surface of the laminated stator to secure the airtightness. Since the thickness of the plated layer is small, it can be said that the outer diameter of the motor is not affected.
以下本発明を添付図面に示す実施例に基づき更に詳細に
説明する。Hereinafter, the present invention will be described in more detail with reference to the embodiments shown in the accompanying drawings.
モータ用のステータ10は一般に薄板12を互いに積層する
ことによってそのコア部を形成している。この積層用の
各薄板12の両面には、有機接着剤がコーティングされて
おり、各薄板12を積層した状態で加熱するとコーティン
グ接着剤が溶融し、各薄板12は互いに接着、結合するこ
ととなる。この場合、積層コアはその長手方向に押圧さ
れているため、各薄板12間は該ね密封される。然しなが
ら外表面の冷却液を漏洩させることのない完全な密封状
態を保証し得ないため、上記の圧着後のステータコアの
外表面14を研削した後、硬質クロームメッキを施す。こ
のメッキ層16の厚さは0.1〜0.5mm程度であり、メッキ後
にその表面を研摩して仕上げを行う。上記硬質クローム
メッキは機械的な研摩に適した特性を有している。The stator 10 for a motor generally forms its core by laminating thin plates 12 together. Both sides of each of the thin plates 12 for lamination are coated with an organic adhesive, and when the thin plates 12 are heated in a laminated state, the coating adhesive is melted, and the thin plates 12 are bonded and bonded to each other. . In this case, since the laminated core is pressed in its longitudinal direction, the thin plates 12 are sealed together. However, since it is not possible to guarantee a completely sealed state in which the cooling liquid on the outer surface does not leak, hard chrome plating is applied after grinding the outer surface 14 of the stator core after the above crimping. The plating layer 16 has a thickness of about 0.1 to 0.5 mm, and its surface is polished and finished after plating. The hard chrome plating has characteristics suitable for mechanical polishing.
こうして構成したコアに巻線を施してステータ10を完成
させ、内周に冷却後の流路20の設けられたジャケット18
にステータ10を挿入し、両端部をＯ−リング22によって
シールする。こうしてステータ10の液冷構造が完成し、
流路20内に冷却液を流すことにより、ステータ10は0.1m
mのオーダーの厚さのメッキ層16を介して外表面から冷
却されることとなり、冷却効率が向上すると共にコンパ
クトな液冷ステータの提供が可能となる。Winding is applied to the core thus constructed to complete the stator 10, and a jacket 18 provided with a flow path 20 after cooling is provided on the inner circumference.
The stator 10 is inserted into and the both ends are sealed by O-rings 22. In this way, the liquid cooling structure of the stator 10 is completed,
By flowing the cooling liquid into the flow path 20, the stator 10
Since it is cooled from the outer surface through the plating layer 16 having a thickness of the order of m, it is possible to improve the cooling efficiency and provide a compact liquid-cooled stator.
以上の説明から明らかな様に本発明によれば、冷却効率
が向上すると共に、コンパクトであって液漏れのない信
頼性の高い液冷ステータの提供が可能となる。延いては
コンパクトで、冷却効率の高いモータの提供が可能とな
る。As is clear from the above description, according to the present invention, it is possible to provide a liquid-cooled stator that is compact and has high reliability without liquid leakage while improving cooling efficiency. Furthermore, it is possible to provide a motor that is compact and has high cooling efficiency.
第１図は本発明に係るステータの液冷構造の縦断面図で
ある。 10……ステータ、12……積層用薄板、 16……メッキ層、18……ジャケット。FIG. 1 is a vertical sectional view of a liquid cooling structure for a stator according to the present invention. 10 …… stator, 12 …… lamination thin plate, 16 …… plated layer, 18 …… jacket.
Claims (1)
タを、両面に有機接着剤をコーティングした積層用要素
板を複数枚積層、圧着させて形成し、該ステータの外表
面にメッキ層を施し、該メッキ層の表面を直接に液冷す
ることを特徴とするステータの液冷構造。1. A structure for cooling a stator, wherein the stator is formed by laminating and crimping a plurality of lamination element plates, both surfaces of which are coated with an organic adhesive, and forming a plating layer on the outer surface of the stator. A liquid cooling structure for a stator, characterized in that the surface of the plated layer is directly liquid cooled.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2077111A JPH0789726B2 (en) | 1990-03-28 | 1990-03-28 | Liquid cooling structure of stator |
| PCT/JP1991/000388 WO1991015049A1 (en) | 1990-03-28 | 1991-03-26 | Structure for cooling stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2077111A JPH0789726B2 (en) | 1990-03-28 | 1990-03-28 | Liquid cooling structure of stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03284141A JPH03284141A (en) | 1991-12-13 |
| JPH0789726B2 true JPH0789726B2 (en) | 1995-09-27 |
Family
ID=13624678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2077111A Expired - Lifetime JPH0789726B2 (en) | 1990-03-28 | 1990-03-28 | Liquid cooling structure of stator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0789726B2 (en) |
| WO (1) | WO1991015049A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19950660B4 (en) * | 1999-04-19 | 2004-02-19 | Dietz-Motoren Gmbh & Co. Kg | Cooling arrangement for an engine |
| US20120267970A1 (en) * | 2011-04-21 | 2012-10-25 | Kollmorgen Corporation | Coolant Flow Channel Arrangement for a Fluid Cooled Electric Motor |
| KR20160023314A (en) | 2014-08-22 | 2016-03-03 | 현대모비스 주식회사 | Motor having housing with contact type cooling channel structure and Method for manufacturing the same |
| CN104967245A (en) * | 2015-07-20 | 2015-10-07 | 南车株洲电机有限公司 | Motor and water cooling base thereof |
| JP2019134567A (en) * | 2018-01-30 | 2019-08-08 | 本田技研工業株式会社 | Stator of rotary electric machine |
| JP6955096B2 (en) * | 2018-05-15 | 2021-10-27 | 三菱重工エンジン＆ターボチャージャ株式会社 | Rotating electric machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50103105U (en) * | 1974-01-28 | 1975-08-26 | ||
| JPS6036696B2 (en) * | 1976-03-24 | 1985-08-22 | 株式会社東芝 | rotating electric machine |
| JPS60102827A (en) * | 1983-11-09 | 1985-06-07 | Fanuc Ltd | Motor |
| JPS60121941A (en) * | 1983-12-05 | 1985-06-29 | Fanuc Ltd | Liquid-cooled motor |
| JPS61170254A (en) * | 1985-01-24 | 1986-07-31 | Fanuc Ltd | Liquid cooled motor |
-
1990
- 1990-03-28 JP JP2077111A patent/JPH0789726B2/en not_active Expired - Lifetime
-
1991
- 1991-03-26 WO PCT/JP1991/000388 patent/WO1991015049A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03284141A (en) | 1991-12-13 |
| WO1991015049A1 (en) | 1991-10-03 |
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