JPS6377357A - Inductor type ac generator - Google Patents
Inductor type ac generatorInfo
- Publication number
- JPS6377357A JPS6377357A JP21946086A JP21946086A JPS6377357A JP S6377357 A JPS6377357 A JP S6377357A JP 21946086 A JP21946086 A JP 21946086A JP 21946086 A JP21946086 A JP 21946086A JP S6377357 A JPS6377357 A JP S6377357A
- Authority
- JP
- Japan
- Prior art keywords
- field coil
- claw
- shaped magnetic
- magnetic pole
- air
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000010248 power generation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Synchronous Machinery (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は誘導子型交流発電機に係り、特に自動車用内燃
機関に用いるのに好適な無刷子式の誘導子形交流発電機
に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an inductor type alternating current generator, and more particularly to a brushless inductor type alternating current generator suitable for use in an internal combustion engine for an automobile. be.
この種の誘導子形交流発電機に関しては、特開昭５９−
２５５５６号に記載の技術が公知である。Regarding this type of inductor type alternating current generator,
The technique described in No. 25556 is known.
この公知例の誘導子形交流発電機は、界磁コイルが固定
子鉄心に吊り下げられ、一対の爪形磁極間の空間に保持
され、該爪形磁極の側面にファンを設は発電コイルや界
磁コイルの冷却をする構造となっている。In this known example of an inductor type AC generator, a field coil is suspended from a stator core and held in a space between a pair of claw-shaped magnetic poles, and a fan is installed on the side of the claw-shaped magnetic poles. It has a structure that cools the field coil.
上記、従来技術は風の通路抵抗について配慮されておら
ず、界磁コイルの冷却が十分に行なわれないという問題
がある。The above-mentioned conventional technology does not take into account air passage resistance, and has a problem in that the field coil is not sufficiently cooled.
本発明の目的は、界磁コイル周囲の空気を積極的に外部
へ流出させて、充分に界磁コイルの冷却を行わせ得る誘
導子形交流発電機を提供するにある。SUMMARY OF THE INVENTION An object of the present invention is to provide an inductor-type alternating current generator in which air around a field coil can be actively discharged to the outside to sufficiently cool the field coil.
上記の目的を達成するために創作した本発明の誘導子形
交流発電機について、先ず、その基本的原理を略述する
と次の如くである。First, the basic principle of the inductor type alternating current generator of the present invention, which was created to achieve the above object, will be briefly described as follows.
前記の目的は、爪形磁極と界磁コイルとの間の空間部に
冷却風整流用のガイド片を配設するとともに、該ガイド
片を爪形磁極と一体連設することにより、界磁コイル周
囲の空気を積極的に外部へ流出させて界磁コイルの冷却
を図ることで達成される。The above purpose is to arrange a guide piece for rectifying cooling air in the space between the claw-shaped magnetic pole and the field coil, and to connect the guide piece integrally with the claw-shaped magnetic pole, so that the field coil This is achieved by actively causing surrounding air to flow outside to cool the field coil.
上述の原理を実用技術面に適用するための具体的構成と
して１本発明は、１対の発電機カバーに挾持された環状
の固定子と、上記固定子に捲装された発電コイルと、前
記環状の固定子の内周に対して空隙を介して配設された
１対の回転子鉄心と、上記回転子鉄心を固着した回転軸
と、該回転軸を前記１対の発電機カバーに対して支承す
る１対の軸受とを備え、かつ、前記１対の回転子鉄心は
それぞれ複数個の爪形磁極を有し、双方の爪形磁極は界
磁コイルを介して対向するものである誘導子形交流発電
機において、前記の界磁コイルと爪形磁極との間に冷却
風整流用のガイド片を配設するとともに、該ガイド片を
前記爪形磁極と一体に連設したことを特徴とする。As a specific configuration for applying the above-mentioned principle to a practical technical aspect, the present invention includes: an annular stator sandwiched between a pair of generator covers; a generating coil wound around the stator; a pair of rotor cores disposed with a gap in between the inner periphery of the annular stator; a rotating shaft to which the rotor core is fixed; and a rotating shaft connected to the pair of generator covers. and a pair of bearings supported by the rotor core, each of the pair of rotor cores having a plurality of claw-shaped magnetic poles, and both claw-shaped magnetic poles facing each other via a field coil. A sub-type alternating current generator, characterized in that a guide piece for rectifying cooling air is disposed between the field coil and the claw-shaped magnetic pole, and the guide piece is integrally connected to the claw-shaped magnetic pole. shall be.
上記のように構成した誘導子形交流発電機は、爪形磁極
と界磁コイルとの間の空間部に冷却風整流用のガイド片
を設けであるので、界磁コイル周囲の空気を積極的に外
部へ流出させ界磁コイルの冷却効果を大幅に向上させる
働きがある。又、冷却風整流用のガイド片を爪形磁極と
一体連設することにより部品点数の削減等が出来る。The inductor type AC generator configured as described above has a guide piece for rectifying the cooling air in the space between the claw-shaped magnetic pole and the field coil, so the air around the field coil can be actively diverted. It has the function of causing the water to flow out to the outside and greatly improving the cooling effect of the field coil. Further, by integrally connecting the guide piece for rectifying the cooling air with the claw-shaped magnetic pole, the number of parts can be reduced.
第１図は本発明の誘導子形交流発電機の１実施例におけ
る縦断面図である。FIG. 1 is a longitudinal sectional view of one embodiment of the inductor type AC generator of the present invention.
回転軸１は軸受４，４′によって発電機カバー２．３に
対して支承されている。The rotating shaft 1 is supported in the generator cover 2.3 by bearings 4, 4'.
それぞれ複数の爪形磁極５，５′を有する１対の回転子
鉄心６，６′が、前記回転軸１に固着されている。第２
図は１個の回転子鉄心６′の斜視図である。アルミ材等
の非磁性金属からなる椀状の発電機カバー２，３の内周
面には１発電コイル７を巻装した固定子鉄心８が同心状
に嵌合され。A pair of rotor cores 6, 6' each having a plurality of claw-shaped magnetic poles 5, 5' are fixed to the rotating shaft 1. Second
The figure is a perspective view of one rotor core 6'. A stator core 8 having one generator coil 7 wound thereon is fitted concentrically to the inner peripheral surface of bowl-shaped generator covers 2 and 3 made of non-magnetic metal such as aluminum.
ボルトにより発電機カバー２．３に締付は固定されてい
る。該固定子鉄心の内周部には界磁コイル９が吊り下げ
固定されている。The generator cover 2.3 is fastened to the generator cover 2.3 by bolts. A field coil 9 is suspended and fixed to the inner peripheral portion of the stator core.
１１は電子部品収納用のカバーであって、整流器１２お
よび電圧調整器１２′を収納固着し、樹脂１３を注入し
て密封されている。このカバー１１には取付脚部１４が
１体成形されていて、該取付脚部１４を発電機カバー３
に密着させ、ネジ１５で締付は固定されている。Reference numeral 11 denotes a cover for housing electronic components, which houses and secures a rectifier 12 and a voltage regulator 12', and is sealed by injecting resin 13. A mounting leg portion 14 is integrally molded on this cover 11, and the mounting leg portion 14 is attached to the generator cover 3.
The screws 15 are tightly tightened.
第２図に示すように、爪形磁極５′の内側に、導風部材
であるガイド片１８を一体に連設する。As shown in FIG. 2, a guide piece 18 serving as an air guiding member is integrally provided on the inside of the claw-shaped magnetic pole 5'.
第１図においては読図の便宜上ガイド片１８にクロスハ
ツチングを付して示す、このように、ガイド片１８は界
磁コイル９と爪形磁極５′との間に位置し、かつ、該爪
形磁極５′と一体に連設されている。In FIG. 1, the guide piece 18 is shown with cross hatching for ease of reading. As shown, the guide piece 18 is located between the field coil 9 and the claw-shaped magnetic pole 5', and It is integrally connected to the shaped magnetic pole 5'.
上記の爪形磁極５，５′にはファン１ｏが固着されてい
る。A fan 1o is fixed to the claw-shaped magnetic poles 5, 5'.
この様な構造の誘導子形交流発電機の風の流れは、爪形
磁極５，５′の側面に固定されているファン１ｏにより
、発電機カバー２，３の空気吸い込み窓１６．１７から
入り、一部の風は発電コイル７を冷却し、さらに爪形磁
極５′の内側に設けられた冷却風整流用のガイド片１８
で界磁コイル９の表面へ導かれて該界磁コイル９を冷却
する。The flow of air in the inductor-type alternating current generator having such a structure is carried out through the air suction windows 16 and 17 of the generator covers 2 and 3 by the fan 1o fixed to the sides of the claw-shaped magnetic poles 5 and 5'. A part of the wind cools the generating coil 7, and a guide piece 18 for rectifying the cooling air provided inside the claw-shaped magnetic pole 5'
is guided to the surface of the field coil 9 to cool the field coil 9.
本発明を実施する際、ガイド片１８は爪形磁極５又は同
５′の少なくとも何れか一方に設ける。When carrying out the present invention, the guide piece 18 is provided on at least one of the claw-shaped magnetic poles 5 and 5'.
本実施例においては、従来公知の誘導子形交流発電機と
比べ、１２Ｖ２ＯＡ出力の交流発電機の場合に、界磁コ
イル温度上昇を１０％低減することができた。これによ
って使用材料の耐熱性ランクを下げることが出来、大幅
なコストダウンが可能となった。また、冷却効率の向上
により１発電機の出力向上が可能となり、しかも信頼性
、耐久性の向上が充分に期待される。In this example, compared to a conventionally known inductor type alternating current generator, in the case of an alternating current generator with an output of 12V2OA, it was possible to reduce the field coil temperature rise by 10%. This made it possible to lower the heat resistance rank of the materials used, making it possible to significantly reduce costs. In addition, the improved cooling efficiency makes it possible to increase the output of a single generator, and is fully expected to improve reliability and durability.
以上詳述したように１本発明を適用すると、界磁コイル
周辺の空気流を界磁コイル表面に誘導して、その冷却効
果を著しく向上せしめることが出来る。As described in detail above, when the present invention is applied, the air flow around the field coil can be guided to the surface of the field coil, and its cooling effect can be significantly improved.
第１図は本発明の１実施例における誘導子形交流発電機
の縦断面図である。
第２図は上記実施例の爪形磁極の斜視図である６１・・
・回転軸、２，３・・・発電機カバー、４，４′・・・
軸受、５，５′・・・爪形磁極、６・・・回転子鉄心、
７・・・発電コイル、８・・・固定子鉄心、９・・・１
磁コイル。FIG. 1 is a longitudinal sectional view of an inductor type alternator according to one embodiment of the present invention. FIG. 2 is a perspective view of the claw-shaped magnetic pole of the above embodiment 61.
・Rotating shaft, 2, 3... Generator cover, 4, 4'...
Bearing, 5, 5'...claw-shaped magnetic pole, 6...rotor core,
7...Generating coil, 8...Stator core, 9...1
magnetic coil.
Claims (1)
上記固定子に捲装された発電コイルと、前記環状の固定
子の内周に対して空隙を介して配設された１対の回転子
鉄心と、上記回転子鉄心を固着した回転軸と、該回転軸
を前記１対の発電機カバーに対して支承する１対の軸受
とを備え、かつ、前記１対の回転子鉄心はそれぞれ複数
個の爪形磁極を有し、双方の爪形磁極は界磁コイルを介
して対向するものである誘導子形交流発電機において、
前記の界磁コイルと爪形磁極との間に冷却風整流用のガ
イド片を配設するとともに、該ガイド片を前記爪形磁極
と一体に連設したことを特徴とする誘導子形交流発電機
。1. An annular stator held between a pair of generator covers,
a power generation coil wrapped around the stator; a pair of rotor cores disposed with a gap between the inner periphery of the annular stator; and a rotating shaft to which the rotor core is fixed; a pair of bearings that support the rotating shaft with respect to the pair of generator covers, and each of the pair of rotor cores has a plurality of claw-shaped magnetic poles, and both claw-shaped magnetic poles have a plurality of claw-shaped magnetic poles. In an inductor type alternator, which is opposed to each other via a field coil,
An inductor-type AC power generator characterized in that a guide piece for rectifying cooling air is disposed between the field coil and the claw-shaped magnetic pole, and the guide piece is integrally connected to the claw-shaped magnetic pole. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21946086A JPS6377357A (en) | 1986-09-19 | 1986-09-19 | Inductor type ac generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21946086A JPS6377357A (en) | 1986-09-19 | 1986-09-19 | Inductor type ac generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6377357A true JPS6377357A (en) | 1988-04-07 |
Family
ID=16735774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21946086A Pending JPS6377357A (en) | 1986-09-19 | 1986-09-19 | Inductor type ac generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6377357A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6674188B2 (en) | 2002-03-01 | 2004-01-06 | Visteon Global Technologies, Inc. | Liquid cooled alternator |
| US6680552B2 (en) | 2002-01-24 | 2004-01-20 | Visteon Global Technologies, Inc. | Flow path for a liquid cooled alternator |
| CN100369696C (en) * | 2005-10-28 | 2008-02-20 | 庄龙兴 | Pawl pole of brush-less generator and its manufacture |
-
1986
- 1986-09-19 JP JP21946086A patent/JPS6377357A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6680552B2 (en) | 2002-01-24 | 2004-01-20 | Visteon Global Technologies, Inc. | Flow path for a liquid cooled alternator |
| US6674188B2 (en) | 2002-03-01 | 2004-01-06 | Visteon Global Technologies, Inc. | Liquid cooled alternator |
| CN100369696C (en) * | 2005-10-28 | 2008-02-20 | 庄龙兴 | Pawl pole of brush-less generator and its manufacture |
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