JPS60176436A - Motor - Google Patents
MotorInfo
- Publication number
- JPS60176436A JPS60176436A JP59031596A JP3159684A JPS60176436A JP S60176436 A JPS60176436 A JP S60176436A JP 59031596 A JP59031596 A JP 59031596A JP 3159684 A JP3159684 A JP 3159684A JP S60176436 A JPS60176436 A JP S60176436A
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- bearing
- electric motor
- rotor
- hole
- 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
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は電動１浪に関するーｂのである。[Detailed description of the invention] Industrial applications The present invention relates to an electric motor.
従来例の構成とその問題点
従来の一般的な電ｅ機について第１図ｉ１３よびｕ１２
図を用いて説明する。固定子１に巻線２を巻いて成形し
たものをフレーム３で固定する。その中心には、回転軸
４に圧入された回転子５が配置されてＪ５す、その両側
に軸受６が同じく圧入され、固定子１と同じくフレーム
３で固定されている。Configuration of conventional example and its problems Regarding conventional general electric equipment Figure 1 i13 and u12
This will be explained using figures. A stator 1 is formed by winding a winding 2 and fixed with a frame 3. A rotor 5 press-fitted onto a rotating shaft 4 is placed in the center of the rotor 5, and bearings 6 are similarly press-fitted on both sides of the rotor 5, and are fixed by a frame 3 in the same way as the stator 1.
以上のような構造の電動機において、最近の傾向として
、特に電気器機に組み込まれて使用される電＃機は、そ
の器機の小型化に伴ない、電＊）ｒ ｌｌＩ自体も小型
化してきたため、回転子５と軸受６との間隔が狭くなり
、回転子５で発生した熱が軸受６に伝わり易くなり、軸
受６の温度が高くなることによりその寿命を茗しく低下
させるという問題があった。Regarding electric motors with the structure described above, there has been a recent trend that, as electric machines used in electrical equipment have become smaller, the electric motors themselves have also become smaller. There was a problem in that the distance between the rotor 5 and the bearing 6 became narrower, and the heat generated in the rotor 5 was easily transmitted to the bearing 6, and the temperature of the bearing 6 increased, which seriously shortened its life.
発明の目的
本発明は上記従来の欠点を解消づるもので回転子から軸
受けに伝わる熱を抑制でき、軸受けの寿命低下を防ぐこ
とのできる電動機を提供することを目的とする。OBJECTS OF THE INVENTION It is an object of the present invention to overcome the above-mentioned conventional drawbacks, and to provide an electric motor that can suppress the heat transmitted from the rotor to the bearings and prevent a reduction in the life of the bearings.
発明の構成
上記目的を達成するため、本発明の電動機は、表面積を
増加させるための加工が施された回転軸を備え、回転軸
の放熱面■ｆｊを増や”すことによりその回転軸に１■
るされた軸受【プの温疫上昇を抑制する４ｊ４成どした
ものである。Structure of the Invention In order to achieve the above object, the electric motor of the present invention includes a rotating shaft processed to increase the surface area, and by increasing the heat dissipation surface of the rotating shaft. 1■
This is a 4J4 product that suppresses the rise in temperature of the bearings.
実施例の説明
以下、本弁明の一実施例について、図面に基づいて説明
する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
第３図は本発明の一実施例におＩプる電動機の要部の半
断面図、第４図は第３図における八−へ線に沿う断面図
であり、第１図および第２図に示−り構成要素と同一の
構成要素には同一の符号をイ」シてそのｉｌＪ明を省略
りる。第３図Ｊ３よび第４図において、７は回転軸であ
り１口の回転軸７には、φ１１１方向に）１＞う貫通孔
７ａが形成されζいる。3 is a half-sectional view of the main parts of the electric motor according to an embodiment of the present invention, FIG. 4 is a sectional view taken along line 8-- in FIG. 3, and FIGS. Components that are the same as those shown in FIG. In FIG. 3 J3 and FIG. 4, 7 is a rotating shaft, and one rotating shaft 7 has a through hole 7a formed in the φ111 direction.
かかる４ｊへ成によれば、回転子５で発生した熱は、回
転軸７に形成された冷Ｊ、１１川の貫通孔７ａからｂ放
熱されるので、従来よりし放熱が促進され、軸受６に伝
わる熱も少なくなるので、出力を増加させることが出来
る。また、一般に回転軸７の一端部には負荷どしてブ［
」ベラ等のファンが付りられることが多い為、回転軸７
に形成された冷Ａｌｌ用の貫通孔７ａを川が流通し、予
想以上の効果が出ることも考えられる。According to this structure, the heat generated in the rotor 5 is radiated from the cold through hole 7a formed in the rotating shaft 7, so that heat radiation is promoted compared to the conventional case, and the heat generated in the rotor 5 is Since less heat is transferred to the engine, output can be increased. Generally, one end of the rotating shaft 7 is loaded with a load.
” Since a fan such as a bellows is often attached, the rotating shaft 7
It is also conceivable that a river flows through the cold All through hole 7a formed in the hole 7a, resulting in a more effective effect than expected.
第５図は別の実施例を示しており、この実施例では、貫
通孔７ａの壁面にねじ状の溝８を加工している。このよ
うな構成にづることにより、電動機回転性に冷却用の貫
通孔７’ａ内に風の流れが生じ、冷却が促進される。FIG. 5 shows another embodiment, in which a threaded groove 8 is formed in the wall surface of the through hole 7a. With such a configuration, a flow of air is generated in the cooling through hole 7'a as the motor rotates, and cooling is promoted.
なお、上記実施例においては、回転軸７の表面積を増加
させるＩこめに貫通孔７ａを設けたが、回転軸７の外周
面に例えば軸方向に沿う溝を形成するようにしてもよい
。またこの満ど上記各実施例とを組み合わせた構成とし
てもよい。In the above embodiment, the through hole 7a is provided to increase the surface area of the rotating shaft 7, but a groove may be formed on the outer circumferential surface of the rotating shaft 7, for example, along the axial direction. Further, a configuration may be adopted in which all of the above embodiments are combined.
発明の詳細
な説明したように本発明によれば、回転軸に表面積を増
加させるための加工を施したので、従来Ｊ、すし放熱が
促進され、軸受に伝わる熱も少なくなるので、出力を増
加させることが出来る。Detailed Description of the Invention As described in detail, according to the present invention, the rotating shaft is processed to increase its surface area, which promotes heat dissipation compared to conventional methods, and reduces heat transmitted to the bearings, increasing output. I can do it.
第１図は従来の一般的な電動機の構造を示す半断面図、
第２図は同電動機の回転部だ＆Ｊの半断面１ネ１、第３
ト１ｔよ本発明の一実施例における電動機の回転部の才
断面図、第４図は第３図におけるＡ−Ａ線に沿う断面図
、第５図は他の実施例における電動機の要部の半断面図
である。
６・・・軸受、７・・・回転軸、７ａ・・・ｎ通孔、８
・・・溝代理人 森 本 義 弘
に、％ １図
第２図
りFigure 1 is a half-sectional view showing the structure of a conventional general electric motor.
Figure 2 shows the rotating part of the motor.
Fig. 4 is a sectional view taken along the line A-A in Fig. 3, and Fig. 5 is a cross-sectional view of the main parts of the motor in another embodiment of the present invention. It is a half sectional view. 6...Bearing, 7...Rotating shaft, 7a...n through hole, 8
...To Mizo agent Yoshihiro Morimoto, % 1 figure 2 diagram
Claims (1)
備え、回転軸の放熱面積を増＼５すことによりその回転
軸に嵌着された軸受１ノの温度上弁を抑制する構成とし
た電動機。 ２、回転軸は、軸方向に沿う貫通孔が形成されｌこ特許
請求の範囲第１項記載の電動（幾。 ３′Ｓ０回転輔ｉよ、貫通孔の壁面にネジ加工が施され
た特許請求の範囲第２項記載の電動感。 ４、回転軸は、外周面にＵｉ加工が施され／ｊ特許請求
の範囲第１項記載の電動機。[Claims] 1. The temperature of the bearing 1 fitted to the rotating shaft is increased by providing a rotating shaft processed to increase the surface area and increasing the heat dissipation area of the rotating shaft. An electric motor configured to suppress the valve. 2. The rotating shaft has a through hole formed along the axial direction. An electric motor according to claim 2. 4. The electric motor according to claim 1, wherein the rotating shaft has Ui processing applied to its outer peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59031596A JPS60176436A (en) | 1984-02-22 | 1984-02-22 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59031596A JPS60176436A (en) | 1984-02-22 | 1984-02-22 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60176436A true JPS60176436A (en) | 1985-09-10 |
Family
ID=12335574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59031596A Pending JPS60176436A (en) | 1984-02-22 | 1984-02-22 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60176436A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006034922A1 (en) * | 2004-09-30 | 2006-04-06 | Robert Bosch Gmbh | Devices for dissipating heat from electrical machines |
| WO2017013144A1 (en) * | 2015-07-20 | 2017-01-26 | Avl List Gmbh | Electrical machine |
-
1984
- 1984-02-22 JP JP59031596A patent/JPS60176436A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006034922A1 (en) * | 2004-09-30 | 2006-04-06 | Robert Bosch Gmbh | Devices for dissipating heat from electrical machines |
| WO2017013144A1 (en) * | 2015-07-20 | 2017-01-26 | Avl List Gmbh | Electrical machine |
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