JPH09107654A - Ac generator for car - Google Patents
Ac generator for carInfo
- Publication number
- JPH09107654A JPH09107654A JP7263854A JP26385495A JPH09107654A JP H09107654 A JPH09107654 A JP H09107654A JP 7263854 A JP7263854 A JP 7263854A JP 26385495 A JP26385495 A JP 26385495A JP H09107654 A JPH09107654 A JP H09107654A
- Authority
- JP
- Japan
- Prior art keywords
- output terminal
- generator
- cooling fin
- male screw
- fixed
- 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)
- Synchronous Machinery (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は車両用交流発電機に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle alternator.
【０００２】[0002]
【従来の技術】従来の車両用交流発電機では、出力端子
は通常整流装置を構成するダイオードを保持、冷却する
（＋）側冷却フィンに電気的，機械的に接続固定されて
おり、その固定方法は、出力端子を発電機の軸方向に取
り出す場合は、例えば、特開昭60−109748号公報では、
出力端子ボルトにローレットを設け、（＋）側冷却フィ
ンに設けられた貫通穴に圧入固定する方法を採ってい
る。2. Description of the Related Art In a conventional vehicle alternator, an output terminal is usually electrically and mechanically connected and fixed to a (+) side cooling fin that holds and cools a diode which constitutes a rectifier. The method, when taking out the output terminal in the axial direction of the generator, for example, in JP-A-60-109748,
A knurl is provided on the output terminal bolt, and it is press-fitted and fixed in a through hole provided in the (+) side cooling fin.
【０００３】[0003]
【発明が解決しようとする課題】発電機の出力端子は、
通常Ｍ５以上のボルトで構成され、車両側のハーネスに
電気的に接続された眼鏡端子を、発電機の出力端子ボル
トに挿入しナットで締め付け固定されているが、従来技
術によれば、発電機の出力端子ボルトが、冷却フィンに
ローレット圧入によって固定されているため、例えば、
出力端子の取り出し位置が同一で出力端子のサイズが異
なる場合に、ローレット径が異なり同一の整流装置が使
用できず、部品点数が多くなるという問題があった。ま
た、出力端子ボルトの反取り出し側に雄ねじ部を設け、
冷却フィンに雌ねじ部を設けて締め付け固定する方法も
考えられるが、冷却フィンの板厚から冷却フィンに設け
ることが可能な雌ねじのサイズが制約を受け、例えば、
厚さ４mmのアルミ製冷却フィンの場合、出力端子ボルト
はＭ６以下となってしまう。The output terminal of the generator is
The spectacle terminal, which is usually made up of M5 or more bolts and is electrically connected to the harness on the vehicle side, is inserted into the output terminal bolt of the generator and fastened with the nut. Since the output terminal bolt of is fixed to the cooling fin by knurling press fit, for example,
In the case where the output terminals are taken out at the same position and the output terminals have different sizes, there is a problem that the same rectifying device having different knurl diameters cannot be used and the number of parts increases. In addition, a male screw is provided on the side opposite to the output terminal bolt
A method of tightening and fixing an internal thread portion on the cooling fin is also conceivable, but the size of the internal thread that can be provided on the cooling fin is restricted due to the thickness of the cooling fin, and for example,
In the case of a 4 mm thick aluminum cooling fin, the output terminal bolt will be less than M6.
【０００４】本発明の目的は、サイズの異なる出力端子
ボルトを、同一の整流装置から容易に取り出すことが可
能な発電機の出力端子の構造を提供することにある。An object of the present invention is to provide a structure of an output terminal of a generator which allows output terminal bolts having different sizes to be easily taken out from the same rectifying device.
【０００５】[0005]
【課題を解決するための手段】前述の目的を達成するた
め、本発明は発電機の出力端子を、発電機の出力端子を
構成する出力端子ボルトの反取り出し側に、雄ねじ部を
設け、（＋）側冷却フィンに設けられた貫通穴に加締め
固定された片側締結ナットに、前記出力端子ボルトの雄
ねじ部を締結固定する構造とする。In order to achieve the above-mentioned object, the present invention provides an output terminal of a generator with a male screw portion on the side opposite to the output terminal bolt constituting the output terminal of the generator. The male screw portion of the output terminal bolt is fastened and fixed to a single-sided fastening nut that is crimped and fixed to the through hole provided in the (+) side cooling fin.
【０００６】発電機の出力端子を、発電機の出力端子ボ
ルトの反取り出し側に雄ねじ部を設け、（＋）側冷却フ
ィンに設けられた貫通穴に片側締結ナットを締結固定
し、片側締結ナットに出力端子ボルトの雄ねじ部を締結
固定する構造とすることにより、出力端子ボルトの最大
径に合わせた片側締結ナットを冷却フィンに装着できる
ので、冷却フィンの板厚の制約を受けることなく、同一
の整流装置から異なるサイズの出力端子を取り出すこと
が可能となる。The output terminal of the generator is provided with a male screw portion on the side opposite to the output terminal bolt of the generator, and the one-side fastening nut is fastened and fixed in the through hole provided in the (+) side cooling fin. With the structure in which the male thread of the output terminal bolt is fastened and fixed, the one-sided fastening nut that matches the maximum diameter of the output terminal bolt can be attached to the cooling fin, so that the same thickness can be achieved without being restricted by the thickness of the cooling fin. It is possible to take out output terminals of different sizes from the rectifier.
【０００７】[0007]
【発明の実施の形態】以下、本発明の一実施例を説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below.
【０００８】図１は本発明を適用した車両用交流発電機
の断面図を示す。この発電機は、界磁コイル１，ポール
コア２，３，スリップリング４を有する回転子５は、シ
ャフト６に固定されており、両端をベアリング７，８に
よって回転自由に支持されている。ポールコア２，３の
端面には、冷却ファン９，１０が機械的に固定されてお
り、回転子５の外周にはステータコイル１１を有するス
テータコア１２が、発電機のハウジングを構成する一対
の略椀状の金属製エンドフレーム１３，１４にインロー
方式によって挟持されている。ベアリング７はフロント
側エンドフレーム１３に、ベアリング８はリヤ側エンド
フレーム１４にそれぞれ支持されており、リヤ側エンド
フレーム１４の内壁には、電圧調整用のレギュレータ１
５，三相交流を全波整流する整流装置１６，ファンガイ
ド１７等の内部部品が装着されている。FIG. 1 is a sectional view of an automotive alternator to which the present invention is applied. In this generator, a rotor 5 having a field coil 1, a pole core 2, 3 and a slip ring 4 is fixed to a shaft 6, and both ends are rotatably supported by bearings 7 and 8. Cooling fans 9 and 10 are mechanically fixed to the end faces of the pole cores 2 and 3, and a stator core 12 having a stator coil 11 on the outer periphery of the rotor 5 is provided with a pair of substantially bowls that form a housing of a generator. It is sandwiched between metal-shaped end frames 13 and 14 by a spigot method. The bearing 7 is supported by the front end frame 13, and the bearing 8 is supported by the rear end frame 14. The inner wall of the rear end frame 14 has a regulator 1 for voltage adjustment.
5, internal components such as a rectifying device 16 for full-wave rectifying three-phase alternating current and a fan guide 17 are mounted.
【０００９】図２は車両用交流発電機の出力端子部を示
す。この発電機の整流装置１６は、三相交流を全波整流
する複数個の図示されてないダイオード素子と、ダイオ
ード素子を支持、冷却する金属製の（＋）側冷却フィン
１８，（−）側冷却フィン１９，絶縁シート２０，ダイ
オード素子を接続する端子をインサート成形した樹脂製
の図示されていない端子台から構成されている。（＋）
側冷却フィン１８には貫通穴が設けられており、片側締
結ナット２１が加締め固定されている。出力端子ボルト
２２の反取り出し側には、雄ねじ部２２ａが設けられて
おり、（＋）側冷却フィン１８に装着された片側締結ナ
ット２１に締め付け固定され、絶縁ブッシュ２３，リヤ
側エンドフレーム１４，絶縁ブッシュ２４を介してナッ
ト２５で締め付け固定されている。FIG. 2 shows the output terminal portion of the vehicle AC generator. The rectifier 16 of this generator includes a plurality of diode elements (not shown) for full-wave rectifying three-phase alternating current, and metal (+) side cooling fins 18, (-) side that support and cool the diode elements. It comprises a cooling fin 19, an insulating sheet 20, and a resin-made terminal block (not shown) in which terminals for connecting diode elements are insert-molded. (+)
The side cooling fin 18 is provided with a through hole, and the one-side fastening nut 21 is caulked and fixed. A male screw portion 22a is provided on the opposite side of the output terminal bolt 22 from the takeout side, and is tightened and fixed to the one-side fastening nut 21 mounted on the (+) side cooling fin 18, and the insulating bush 23, the rear end frame 14, It is fastened and fixed with a nut 25 via an insulating bush 24.
【００１０】[0010]
【発明の効果】本発明によれば、発電機の出力端子を、
発電機の出力端子ボルトの反取り出し側に雄ねじ部を設
け、（＋）側冷却フィンに設けられた貫通穴に片側締結
ナットを締結固定し、片側締結ナットに出力端子ボルト
の雄ねじ部を締結固定する構造とすることにより、出力
端子ボルトの最大径に合わせた片側締結ナットを冷却フ
ィンに装着できるので、冷却フィンの板厚の制約を受け
ることなく、同一の整流装置から異なるサイズの出力端
子を取り出すことが可能となり、部品点数の増加を防止
することができる。According to the present invention, the output terminal of the generator is
A male screw part is provided on the side opposite to the output terminal bolt of the generator, the one side fastening nut is fastened and fixed to the through hole provided in the (+) side cooling fin, and the male screw part of the output terminal bolt is fastened and fixed to the one side fastening nut. With this structure, it is possible to attach a single-sided fastening nut that matches the maximum diameter of the output terminal bolt to the cooling fin, so that you can use different output terminals from the same rectifier without being restricted by the thickness of the cooling fin. It can be taken out, and an increase in the number of parts can be prevented.
【図１】本発明の車両用交流発電機の断面図。FIG. 1 is a cross-sectional view of an automotive alternator of the present invention.
【図２】本発明の車両用交流発電機の出力端子部の断面
図。FIG. 2 is a sectional view of an output terminal portion of the vehicle AC generator of the present invention.
１４…エンドフレーム、１８…（＋）側冷却フィン、１
９…（−）側冷却フィン、２０…絶縁シート、２１…片
側締結ナット、２２…出力端子ボルト、２２ａ…雄ねじ
部、２３，２４…絶縁ブッシュ、２５…ナット。14 ... End frame, 18 ... (+) side cooling fins, 1
9 ... (-) side cooling fin, 20 ... Insulation sheet, 21 ... One side fastening nut, 22 ... Output terminal bolt, 22a ... Male screw part, 23, 24 ... Insulation bush, 25 ... Nut.
Claims (1)
オードを保持する薄い板状の（＋）側冷却フィンと、発
電機のハウジングを構成する金属製エンドフレームと、
前記金属製エンドフレームの外側に取り出される出力端
子を備えた車両用交流発電機において、前記出力端子の
反取り出し側には、雄ねじ部が設けられ、前記（＋）側
冷却フィンには、貫通孔が設けられ、前記（＋）側冷却
フィンの貫通穴に加締め固定された片側締結ナットに前
記出力端子の雄ねじ部が締め付け固定されたことを特徴
とする車両用交流発電機。1. A thin plate-shaped (+) side cooling fin that holds a plurality of diodes that form a rectifier of a generator, and a metal end frame that forms a housing of the generator.
In an automotive alternator having an output terminal taken out of the metal end frame, a male screw portion is provided on the opposite side of the output terminal, and a through hole is provided in the (+) side cooling fin. And a male screw portion of the output terminal is fastened and fixed to a one-side fastening nut that is swaged and fixed to the through hole of the (+) side cooling fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7263854A JPH09107654A (en) | 1995-10-12 | 1995-10-12 | Ac generator for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7263854A JPH09107654A (en) | 1995-10-12 | 1995-10-12 | Ac generator for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09107654A true JPH09107654A (en) | 1997-04-22 |
Family
ID=17395161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7263854A Pending JPH09107654A (en) | 1995-10-12 | 1995-10-12 | Ac generator for car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09107654A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2787943A1 (en) * | 1998-12-25 | 2000-06-30 | Denso Corp | AC GENERATOR FOR VEHICLES COMPRISING AN IMPROVED STRUCTURE FOR FIXING THE OUTPUT TERMINAL |
| KR20020076430A (en) * | 2001-03-28 | 2002-10-11 | 발레오만도전장시스템스코리아 주식회사 | Terminal of alternator for car |
| US6528912B2 (en) | 2000-10-20 | 2003-03-04 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| US6563241B2 (en) | 2000-06-27 | 2003-05-13 | Denso Corporation | A. C. generator for vehicles having loose-free terminal structure |
| US6657336B2 (en) | 2001-02-08 | 2003-12-02 | Mitsubishi Denki Kabushiki Kaisha | Modified output terminal structure of AC generator |
| WO2004038895A1 (en) | 2002-10-28 | 2004-05-06 | Mitsubishi Denki Kabushiki Kaisha | Rectifier of ac generator for vehicle and method for manufacturing the same |
| US6936941B2 (en) | 2003-06-19 | 2005-08-30 | Mitsubishi Denki Kabushiki Kaisha | Rotary electric machine |
| JP2006217739A (en) * | 2005-02-04 | 2006-08-17 | Hitachi Ltd | Ac generator for vehicle |
| US7456532B2 (en) | 2005-06-02 | 2008-11-25 | Mitsubishi Denki Kabushiki Kaisha | Dynamoelectric machine |
-
1995
- 1995-10-12 JP JP7263854A patent/JPH09107654A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6150741A (en) * | 1998-12-25 | 2000-11-21 | Denso Corporation | Alternating current generator for vehicles having improved output terminal fixing structure |
| FR2787943A1 (en) * | 1998-12-25 | 2000-06-30 | Denso Corp | AC GENERATOR FOR VEHICLES COMPRISING AN IMPROVED STRUCTURE FOR FIXING THE OUTPUT TERMINAL |
| DE19940780C2 (en) * | 1998-12-25 | 2003-10-30 | Denso Corp | AC generator for vehicles |
| US6563241B2 (en) | 2000-06-27 | 2003-05-13 | Denso Corporation | A. C. generator for vehicles having loose-free terminal structure |
| US6674193B2 (en) | 2000-10-20 | 2004-01-06 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| US6674194B2 (en) | 2000-10-20 | 2004-01-06 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| US6528912B2 (en) | 2000-10-20 | 2003-03-04 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| US6700243B2 (en) | 2000-10-20 | 2004-03-02 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| KR100449522B1 (en) * | 2001-02-08 | 2004-09-21 | 미츠비시덴키 가부시키가이샤 | Vehicle ac generator |
| US6657336B2 (en) | 2001-02-08 | 2003-12-02 | Mitsubishi Denki Kabushiki Kaisha | Modified output terminal structure of AC generator |
| KR20020076430A (en) * | 2001-03-28 | 2002-10-11 | 발레오만도전장시스템스코리아 주식회사 | Terminal of alternator for car |
| WO2004038895A1 (en) | 2002-10-28 | 2004-05-06 | Mitsubishi Denki Kabushiki Kaisha | Rectifier of ac generator for vehicle and method for manufacturing the same |
| EP1575151A1 (en) * | 2002-10-28 | 2005-09-14 | Mitsubishi Denki Kabushiki Kaisha | Rectifier of ac generator for vehicle and method for manufacturing the same |
| EP1575151A4 (en) * | 2002-10-28 | 2009-06-17 | Mitsubishi Electric Corp | Rectifier of ac generator for vehicle and method for manufacturing the same |
| US6936941B2 (en) | 2003-06-19 | 2005-08-30 | Mitsubishi Denki Kabushiki Kaisha | Rotary electric machine |
| JP2006217739A (en) * | 2005-02-04 | 2006-08-17 | Hitachi Ltd | Ac generator for vehicle |
| JP4585875B2 (en) * | 2005-02-04 | 2010-11-24 | 日立オートモティブシステムズ株式会社 | Vehicle alternator |
| US7456532B2 (en) | 2005-06-02 | 2008-11-25 | Mitsubishi Denki Kabushiki Kaisha | Dynamoelectric machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3543881B2 (en) | Alternator | |
| JP4593372B2 (en) | Rotating electric machine | |
| JPH0119584Y2 (en) | ||
| JP2002136077A (en) | Ac generator for vehicle | |
| US6198188B1 (en) | Rectifier cooling fin arrangement of vehicle AC generator | |
| US6657336B2 (en) | Modified output terminal structure of AC generator | |
| JP2000350426A (en) | Ac generator for vehicle | |
| US6563241B2 (en) | A. C. generator for vehicles having loose-free terminal structure | |
| US6034452A (en) | Rectifier arrangement of alternator for vehicle | |
| JP4506820B2 (en) | AC generator rectifier for vehicle | |
| JPH09107654A (en) | Ac generator for car | |
| JP3974560B2 (en) | Rotating electric machine | |
| US20020140300A1 (en) | Vehicle ac generator | |
| JP2002136076A (en) | Ac generator | |
| US7095144B2 (en) | Rectifying apparatus of AC generator for vehicle | |
| JPH0974727A (en) | Rectifier for ac generator | |
| JPH08298758A (en) | Ac generator for vehicle | |
| JPH07274433A (en) | Ac generator for vehicle | |
| JP3372222B2 (en) | AC generator for vehicles | |
| JP2002136075A (en) | Rectifier for rotating generator for vehicle | |
| US20080061642A1 (en) | Output terminal structure of alternator for vehicle | |
| KR200321845Y1 (en) | Automotive Alternator | |
| JPH07123663A (en) | Rectifier of vehicle ac generator | |
| JPH034146Y2 (en) | ||
| JPH0970159A (en) | Ac generator for car |