JPS6194534A - Electric motor for automobile - Google Patents
Electric motor for automobileInfo
- Publication number
- JPS6194534A JPS6194534A JP21703884A JP21703884A JPS6194534A JP S6194534 A JPS6194534 A JP S6194534A JP 21703884 A JP21703884 A JP 21703884A JP 21703884 A JP21703884 A JP 21703884A JP S6194534 A JPS6194534 A JP S6194534A
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- pipe
- air
- automobile
- suction pipe
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (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〕
本発明は自動車用電動モータに関するもので、例えば自
動車用ラジェータ冷却ファンを駆動する電動モータとし
て用いて有効である。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electric motor for an automobile, and is effective for use as an electric motor for driving a radiator cooling fan for an automobile, for example.
モータの寿命、劣化特性はモータ内部の温度に依存する
所が大きい。従って、モータ内部の雰囲気温度の上昇を
抑える為に、設計時モータの要、求寿命によりモータ体
格、すなわちモータ外殻の容積を大きくとる必要がある
。特に使用雰囲気温度の高い自動車エンジンルーム内に
て使用されるモータについては以上の考慮が必要である
。そこで、モータの体格を縮小しなからモータを冷却す
る方法が種々考え出されており、例えば実行５１−３０
５６２号公報に示されるように冷却風を正圧により強制
的に送り込む方法や、モータ内部のファンにより冷却風
を吸い込む方法が考案されている。The lifespan and deterioration characteristics of a motor largely depend on the temperature inside the motor. Therefore, in order to suppress the rise in the ambient temperature inside the motor, it is necessary to increase the motor size, that is, the volume of the motor outer shell, depending on the requirements and life expectancy of the motor at the time of design. The above considerations are especially necessary for motors used in automobile engine compartments where the ambient temperature is high. Therefore, various methods have been devised to cool the motor without reducing the size of the motor.
As shown in Japanese Patent No. 562, a method of forcibly sending cooling air using positive pressure and a method of sucking cooling air with a fan inside the motor have been devised.
しかし、前者の強制風を送り込む方法においては、送風
用のファンによる冷却風、もしくは車速風による冷却風
を送り込む際に、モータ寿命、モータ性能に悪影響を与
える水の侵入を防止する機構を必要とする場合が多い為
、ニス上アンプとなる問題がある。また後者のモータ内
部のファンによる方法においては、モータ体格が大きく
なるという問題、モータ効率の低下、及び前者の方法と
同様防水機構を必要とし、コストアンプとなる問題があ
る。However, the former method of sending forced air requires a mechanism to prevent water from entering, which would adversely affect motor life and motor performance, when sending cooling air using a fan for blowing air or cooling air from vehicle speed. Since there are many cases where the amplifier is Furthermore, the latter method using a fan inside the motor has the problem of increasing the size of the motor, reducing motor efficiency, and requiring a waterproof mechanism as in the former method, which increases costs.
本発明は上記問題点を解決することを目的とし、次の様
な構成とした。つまり、自動車に設置される電動モータ
において、この電動モータ内の空気を吸引するための空
気吸引管と、この電動モータ内を大気に開放する大気開
放管とを備え、前記空気吸引パイプは自動車の負圧源に
接続されている自動車用電動モータとした。The present invention aims to solve the above problems and has the following configuration. In other words, an electric motor installed in a car includes an air suction pipe for sucking air inside the electric motor, and an atmosphere release pipe for opening the inside of the electric motor to the atmosphere. An electric motor for an automobile is connected to a negative pressure source.
次に本発明を自動車用ラジェータ冷却ファンの駆動用電
動モータとして用いた場合の実施例を図に基づいて説明
する。第１図はその概略を示す図である。図中符号１は
自動車走行用エンジンで、このエンジン１には燃焼室内
に空気を導く吸気管２が接続されている。この吸気管２
には吸入空気中の不純物を取り除くためのエアフィルタ
が設置されており、エアフィルタ３より上流側において
分岐管４が分岐している。この分岐管４第１連結管５を
介して電動モータ７の空気吸引管６に接続されている。Next, an embodiment in which the present invention is used as an electric motor for driving a radiator cooling fan for an automobile will be described based on the drawings. FIG. 1 is a diagram showing the outline thereof. Reference numeral 1 in the figure is an engine for driving a car, and an intake pipe 2 that guides air into a combustion chamber is connected to this engine 1. This intake pipe 2
An air filter is installed to remove impurities from the intake air, and a branch pipe 4 branches off at the upstream side of the air filter 3. This branch pipe 4 is connected to an air suction pipe 6 of an electric motor 7 via a first connecting pipe 5 .
前記電動モータ７の出力軸７１には自動車用ラジェータ
（省図示）に冷却風を送る送風ファン８が固定されてい
る。また、電動モータ７の内部を大気に開放する大気開
放孔（後述する）には大気開放管９が接続され、さらに
この大気開放管９には第２連結管１０が接続されている
。前記第２連結管１０の端部はエンジンルーム内の水等
が侵入してこない位置に開口している。A blower fan 8 is fixed to the output shaft 71 of the electric motor 7 to send cooling air to an automobile radiator (not shown). Further, an atmosphere release pipe 9 is connected to an atmosphere release hole (described later) that opens the inside of the electric motor 7 to the atmosphere, and a second connecting pipe 10 is further connected to the atmosphere release pipe 9. The end of the second connecting pipe 10 is opened at a position where water and the like in the engine room do not enter.
第２図は前記電動モータ７の内部を示す断面図である。FIG. 2 is a sectional view showing the inside of the electric motor 7. As shown in FIG.
この電動キータは従来周知のもので、カバー７２には軸
受７３．７４を介して出力軸７１が軸支されている。出
力軸７１にはコイルを巻装したアーマチャ７５が固定さ
れ、このアーマチャ７５にはコシミテータ７６、ブラシ
７７を介して電流が供給される。前記アーマチャの外周
に対向するカバー７２の内壁には永久磁石７８が固定さ
れている。前記カバー７２には前述した空気吸引管６が
接続されており、さらにカバー７２に穿設した大気開放
１１には大気開放管９が接続されている。This electric keyer is conventionally known, and an output shaft 71 is pivotally supported by a cover 72 via bearings 73 and 74. An armature 75 having a coil wound thereon is fixed to the output shaft 71, and a current is supplied to the armature 75 via a cocimitator 76 and a brush 77. A permanent magnet 78 is fixed to the inner wall of the cover 72 facing the outer periphery of the armature. The air suction pipe 6 mentioned above is connected to the cover 72, and the air release pipe 9 is connected to the air release 11 bored in the cover 72.
このように構成された本実施例は次の様に作動する。エ
ンジン１を始動させるとエンジン１内に負圧が生じ、空
気が吸気管３を通ってエンジン１内に吸入される。この
時、吸気管３内も負圧になるため、この負圧が分岐管４
、第１連結管５、空気吸引管６を介して電動モータ７内
に伝わる。つまり、第２連結管５、大気開放管９を介し
て電動モータ７内に伝わる。つまり、第２連結管５、大
気開放管９を介して電動モータ７内に空気が吸入され、
電動モータ７のケース７２内を冷却した後、空気吸引管
６、第１連結管５、分岐管４を介して吸気管２へと吸引
されてゆ（。つまり、電動モータ７内は常にこの吸引空
気によって冷却されているのである。This embodiment thus configured operates as follows. When the engine 1 is started, negative pressure is generated within the engine 1, and air is drawn into the engine 1 through the intake pipe 3. At this time, the inside of the intake pipe 3 also becomes negative pressure, so this negative pressure is transferred to the branch pipe 4.
, the first connecting pipe 5, and the air suction pipe 6 into the electric motor 7. That is, it is transmitted into the electric motor 7 via the second connecting pipe 5 and the atmosphere opening pipe 9. In other words, air is sucked into the electric motor 7 via the second connecting pipe 5 and the atmosphere opening pipe 9,
After cooling the inside of the case 72 of the electric motor 7, air is sucked into the intake pipe 2 via the suction pipe 6, the first connecting pipe 5, and the branch pipe 4. It is cooled by air.
第３図は本発明の他の実施例を示す概略図である。本実
施例ではエンジン１の排気管１２に絞り部１３を設け、
この絞り部１３に分岐管４を分岐させて、空気吸引管６
と第１連結管５によって連結させた。FIG. 3 is a schematic diagram showing another embodiment of the present invention. In this embodiment, a throttle part 13 is provided in the exhaust pipe 12 of the engine 1,
The branch pipe 4 is branched to this constriction part 13, and the air suction pipe 6
and were connected by a first connecting pipe 5.
エンジン１を始動させ排気管１２より排気ガスを排出さ
せると、絞り部１３にはベンチュリ効果により負圧が生
じ、この負圧によって前述の実施例と同様、冷却空気が
電動モータ７に吸引される。When the engine 1 is started and exhaust gas is discharged from the exhaust pipe 12, negative pressure is generated in the throttle part 13 due to the venturi effect, and this negative pressure causes cooling air to be drawn into the electric motor 7, as in the previous embodiment. .
面、その他の構成、作動は前述の実施例と同様である。The surface, other configurations, and operations are the same as those of the previous embodiments.
本発明の自動車用電動モータを用いれば、電動モータ内
の空気を負圧源により吸引することにより大気開放管か
ら冷却風を電動モータ内に吸引させているので、大気開
放管の開口端を水等の侵入しない適所に配すれば、水等
の侵入の心配な（電動モータの冷却を行なうことができ
る。If the electric motor for an automobile of the present invention is used, cooling air is drawn into the electric motor from the air vent pipe by sucking the air inside the electric motor using a negative pressure source, so the open end of the air vent pipe is If you place it in a suitable place where it will not be infiltrated by water, etc., you can cool the electric motor without worrying about intrusion of water, etc.
また、従来の様に複雑な構造を要することはなく１、簡
単な構成で冷却を行なうことができる。Further, unlike the conventional method, a complicated structure is not required, and cooling can be performed with a simple structure.
第１図は本発明の実施例を示す概略図、第２図は実施例
電動モータの断面図、第３図は他の実施例を示す概略図
である。
１・・・エンジン、２・・・吸気管、６・・・空気吸引
管、７・・・電動モータ、９・・・大気開放管、１２・
・・排気管、１３・・・絞り部。FIG. 1 is a schematic diagram showing an embodiment of the present invention, FIG. 2 is a sectional view of an electric motor according to the embodiment, and FIG. 3 is a schematic diagram showing another embodiment. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake pipe, 6... Air suction pipe, 7... Electric motor, 9... Atmospheric release pipe, 12...
... Exhaust pipe, 13... Throttle section.
Claims (3)
電動モータ内の空気を吸引するための空気吸引管と、こ
の電動モータ内を大気に開放する大気開放管とを備え、
前記空気吸引パイプは自動車の負圧源に接続されている
自動車用電動モータ。(1) An electric motor installed in an automobile includes an air suction pipe for sucking air inside the electric motor and an atmosphere release pipe for opening the inside of the electric motor to the atmosphere,
The air suction pipe is connected to a negative pressure source of an automobile electric motor.
導く吸気管に接続されている特許請求の範囲第１項記載
の自動車用電動モータ。(2) The electric motor for an automobile according to claim 1, wherein the air suction pipe is connected to an intake pipe that introduces fresh air to the internal combustion engine of the automobile.
設けた絞り部に接続されている特許請求の範囲第１項記
載の自動車用電動モータ。(3) The electric motor for an automobile according to claim 1, wherein the air suction pipe is connected to a constriction portion provided in an exhaust pipe of an internal combustion engine of the automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21703884A JPS6194534A (en) | 1984-10-15 | 1984-10-15 | Electric motor for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21703884A JPS6194534A (en) | 1984-10-15 | 1984-10-15 | Electric motor for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194534A true JPS6194534A (en) | 1986-05-13 |
Family
ID=16697863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21703884A Pending JPS6194534A (en) | 1984-10-15 | 1984-10-15 | Electric motor for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416237A (en) * | 1987-07-10 | 1989-01-19 | Hitachi Ltd | Starting motor for internal combustion engine |
| JP2014180179A (en) * | 2013-03-15 | 2014-09-25 | Iai Corp | Actuator and moisture absorbing device |
-
1984
- 1984-10-15 JP JP21703884A patent/JPS6194534A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416237A (en) * | 1987-07-10 | 1989-01-19 | Hitachi Ltd | Starting motor for internal combustion engine |
| JP2014180179A (en) * | 2013-03-15 | 2014-09-25 | Iai Corp | Actuator and moisture absorbing device |
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