JPS63206163A - Rectifier for ac generator for vehicle - Google Patents
Rectifier for ac generator for vehicleInfo
- Publication number
- JPS63206163A JPS63206163A JP3797387A JP3797387A JPS63206163A JP S63206163 A JPS63206163 A JP S63206163A JP 3797387 A JP3797387 A JP 3797387A JP 3797387 A JP3797387 A JP 3797387A JP S63206163 A JPS63206163 A JP S63206163A
- Authority
- JP
- Japan
- Prior art keywords
- cooling member
- positive
- rectifying
- rectifying device
- rectifying element
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001131 transforming effect Effects 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Synchronous Machinery (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は車両用交流発電機のように振動がはげしく、熱
的に厳しい条件で使用されるものに好適な半導体整流装
置の構造に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of a semiconductor rectifier device suitable for use in equipment such as a vehicle alternator that vibrates violently and is used under severe thermal conditions.
従来周知のこの種の整流装置は第６図〜第８図に示すよ
うに、正負の冷却部材１３．１４に整流素子保持部収納
用凹部を設け、該凹部にはんだ１２を介して正負の整流
素子保持部１５．１６を収納固定していた。As shown in FIGS. 6 to 8, this type of conventional rectifying device has a recess for accommodating a rectifier element holding part in the positive and negative cooling members 13 and 14, and the positive and negative rectifiers are connected to the recess through a solder 12. The element holding parts 15 and 16 were housed and fixed.
また、別の従来の装置では、実開昭５６−６６１８３号
に記載のように冷却部材の凹凸に形成された圧入溝のぬ
すみ部に、この凹凸に対応して整流素子保持部に凹凸を
設けて圧入していた。In addition, in another conventional device, as described in Utility Model Application Publication No. 56-66183, a rectifying element holding portion is provided with depressions and depressions corresponding to the depressions and depressions in the hollow parts of the press-fit grooves formed in the depressions and depressions of the cooling member. It was press-fitted.
従来周知であるはんだ使用の技術は車両用交流発電機等
に使用される整流装置としては高温、振動、冷熱サイク
ル等の厳しい環境条件下にさらされるため、冷却部材の
整流素子保持部収納用凹部がはんだの融点付近の温度に
なった場合、はんだが溶融流出する欠点があった。この
対策として考案された実開昭５６−６６１８３号に示す
圧入形の整流装置でも、整流素子の保持部の圧入が両側
のみとなるため圧入方向に対して脱落する可能性があり
信頼性に心配がある。The conventionally well-known technology of using solder is used in rectifying devices used in vehicle alternators, etc., which are exposed to severe environmental conditions such as high temperatures, vibrations, and cooling/heating cycles. When the temperature reaches around the melting point of the solder, the solder melts and flows out. Even with the press-fit type rectifier shown in Utility Model Application Publication No. 56-66183, which was devised as a countermeasure to this problem, since the holding part of the rectifier element is press-fitted only on both sides, there is a possibility that it will fall off in the press-fitting direction, and there are concerns about reliability. There is.
本発明は以上の問題を解決するため、はんだを使用せず
冷却部材の塑性変形による整流素子と冷却部材との接続
が確実にできる車両用交流発電機用の整流装置を提供す
ることを目的とすることにある。In order to solve the above problems, an object of the present invention is to provide a rectifying device for a vehicle alternator that can securely connect a rectifying element and a cooling member by plastic deformation of the cooling member without using solder. It's about doing.
上記目的は、冷却部材の整流素子保持部収納周囲部外局
部全周を加圧により塑性変形させ、該凹部に収納されて
いる整流素子保持部と冷却部材とを塑性結合で固定する
ことにより、達成される。The above purpose is to plastically deform the entire outer circumference of the surrounding area of the rectifying element holding part of the cooling member by applying pressure, and fixing the rectifying element holding part housed in the recessed part and the cooling member by plastic bonding. achieved.
冷却部材の整流素子保持部収納用凹部に整流素子保持部
を配置し、該凹部外周部全周を加圧し整流素子保持部と
の間に冷却部材を塑性流動させることにより、冷却部材
と整流素子保持部とが塑性結合により固定された結果、
整流素子保持部は、はんだを使用しないため高温になっ
た場合でも該凹部から脱落することなく電気的に接続さ
れる。The rectifying element holding part is placed in the rectifying element holding part storage recess of the cooling member, and the entire outer periphery of the recess is pressurized to cause the cooling member to plastically flow between the rectifying element holding part and the cooling member and the rectifying element. As a result of the holding part being fixed by plastic bonding,
Since the rectifying element holding part does not use solder, it is electrically connected without falling off from the recessed part even when the temperature becomes high.
以下図に示す本発明の一実施例を第１図〜第４図につい
て説明する０図において、アルミ等よりなる正側の冷却
部材ｌと負側の冷却部材４とは絶縁シート３により絶縁
され、正側の冷却部材１の上には絶縁材よりなる端子台
６を配置して重ね合わされ、これには、正側の整流素子
２と負側の整流素子５との対応し合うものどうしを相互
に結線する複数個の端子８が埋設されており、ボルト７
によって全体を固定している。また、複数個の正側整流
素子２が設けられている正側の整流素子保持部９を正側
の冷却部材１上の該凹部に配置し該凹部外周部全周を塑
性変形させることにより正側の整流素子保持部９と正側
の冷却部材１とが塑性結合で素子保持部９と正側の冷却
部材１とが塑性結合できる。同様に、複数個の負側整流
素子５が設けられている負側の整流素子保持部１０を負
側の冷却部材４上の該凹部に配置し、該凹部外周部全周
を塑性加工することにより負側の整流素子保持部１０と
負側の冷却部材４とを塑性結合することにより、はんだ
を不用とすることができる。In FIG. 0, which describes one embodiment of the present invention shown in FIGS. 1 to 4 below, a positive side cooling member l made of aluminum or the like and a negative side cooling member 4 are insulated by an insulating sheet 3. A terminal block 6 made of an insulating material is placed on top of the cooling member 1 on the positive side, and the terminal block 6 is stacked on top of the cooling member 1 on the positive side. A plurality of terminals 8 that are connected to each other are buried, and the bolts 7
The whole thing is fixed by. In addition, the positive rectifying element holding part 9 in which a plurality of positive rectifying elements 2 are provided is placed in the recess on the positive cooling member 1, and the entire outer periphery of the recess is plastically deformed. The rectifying element holding part 9 on the side and the cooling member 1 on the positive side can be plastically coupled, and the element holding part 9 and the cooling member 1 on the positive side can be plastically coupled. Similarly, a negative rectifying element holding part 10 in which a plurality of negative rectifying elements 5 are provided is placed in the recess on the negative cooling member 4, and the entire outer periphery of the recess is plastically worked. By plastically bonding the negative side rectifying element holding portion 10 and the negative side cooling member 4, it is possible to eliminate the need for solder.
また、別の実施例として第４図の如く、正負の整流素子
保持部９，１０と正負の整流素子２，５の間に金属部材
からなる平板１１を設けることにより塑性結合時の整流
素子２，５へ加わる応力を緩和し、整流素子２，５の割
れを防止することができる。この平板１１の材料として
、通電中の温度上昇による熱膨張の差による応力を小さ
くするため、熱膨張係数が整流素子２，５の材料とその
他構成材料との間で整合がとれるような目的で銅−鉄、
ニッケル合金−銅の３層構造のクラッド材を使用してい
る。As another example, as shown in FIG. 4, a flat plate 11 made of a metal member is provided between the positive and negative rectifying element holding parts 9 and 10 and the positive and negative rectifying elements 2 and 5, so that the rectifying element 2 during plastic coupling is provided. , 5 can be alleviated, and cracking of the rectifier elements 2 and 5 can be prevented. The material of this flat plate 11 is selected so that the coefficient of thermal expansion can be matched between the material of the rectifying elements 2 and 5 and the other constituent materials in order to reduce the stress caused by the difference in thermal expansion caused by the temperature rise during energization. copper-iron,
A cladding material with a three-layer structure of nickel alloy and copper is used.
また、別の実施例として第４図の如く、正負の整流素子
保持部９，１０にローレット部を設け、正負の冷却部材
１，４の整流素子保持部収納用凹部に圧入しさらに圧入
後、該凹部外周部全周を塑性加工することにより正負の
整流素子保持部９゜１０と正負の冷却部材１，４との接
続信頼性が向上することができる。As another example, as shown in FIG. 4, the positive and negative rectifying element holding parts 9 and 10 are provided with knurling parts, and the knurled parts are press-fitted into the rectifying element holding part storage recesses of the positive and negative cooling members 1 and 4, and after being press-fitted, By plastically working the entire outer periphery of the recess, the connection reliability between the positive and negative rectifier holding parts 9 and 10 and the positive and negative cooling members 1 and 4 can be improved.
以上のように本発明によれば、はんだを使用せず金属の
塑性結合により整流素子保持部と冷却部材との機械的、
電気的接続を図るために、冷却部材が高温になった場合
に起こるはんだの溶融流出による保持部の離脱を防止で
き、強度及び電気的な接続の信頼性も向上できる整流装
置を提供できるという効果が得られる。As described above, according to the present invention, the rectifying element holding part and the cooling member are mechanically connected by plastic bonding of metal without using solder.
The effect of providing a rectifying device that can prevent the holding part from coming off due to solder melting and flowing out when the cooling member reaches a high temperature for electrical connection, and can also improve the strength and reliability of electrical connection. is obtained.
第１図〜第５図は本発明の詳細な説明図、第６図〜第８
図は従来の整流装置の説明図である。
１．４・・・正側、負側の冷却部材、２，５・・・正側
。
負側の整流素子、７・・・端子台、９．１０・・・正側
。
負側の整流素子保持部。
菖１回Figures 1 to 5 are detailed explanatory diagrams of the present invention, and Figures 6 to 8.
The figure is an explanatory diagram of a conventional rectifier. 1.4... Positive side, negative side cooling member, 2,5... Positive side. Negative side rectifier, 7...Terminal block, 9.10...Positive side. Negative side rectifier holding part. Iris once
Claims (1)
この整流素子を支持した放熱用の冷却部材を備えた交流
発電機用整流装置において、上記整流素子は凹部を有す
る円形の保持部上に設けられると共に、上記冷却部材に
は上記保持部に対応して形成された凹部を有し、上記円
形保持部を凹部に挿入し凹部外周部を塑性変形させて固
定したことを特徴とする車両用交流発電機用整流装置。 ２、特許請求の範囲第１項において、円形保持部材の外
径側にローレットを有することを特徴とする車両用交流
発電機用整流装置。 ３、特許請求の範囲第１項、第２項において、整流素子
と円形保持部の間に熱伝導性の金属部材よりなる平板を
設けることを特徴とする車両用交流発電機用整流装置。 ４、特許請求の範囲第３項において、金属部材は銅−鉄
、ニッケル合金−銅のクラッド材よりなることを特徴と
する車両用交流発電機用整流装置。[Claims] 1. A rectifying element disposed on a bracket of an alternator;
In the rectifying device for an alternator including a cooling member for heat dissipation that supports a rectifying element, the rectifying element is provided on a circular holding part having a recessed part, and the cooling member has a shape corresponding to the holding part. 1. A rectifying device for an alternator for a vehicle, characterized in that the circular holding portion is inserted into the recess and the outer periphery of the recess is plastically deformed to be fixed. 2. A rectifier for a vehicle alternator according to claim 1, characterized in that the circular holding member has a knurling on the outer diameter side. 3. A rectifying device for a vehicle alternator according to claims 1 and 2, characterized in that a flat plate made of a thermally conductive metal member is provided between the rectifying element and the circular holding portion. 4. A rectifier for a vehicle alternator according to claim 3, wherein the metal member is made of a cladding material of copper-iron or nickel alloy-copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3797387A JPH0667194B2 (en) | 1987-02-23 | 1987-02-23 | Rectifier for AC generator for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3797387A JPH0667194B2 (en) | 1987-02-23 | 1987-02-23 | Rectifier for AC generator for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63206163A true JPS63206163A (en) | 1988-08-25 |
| JPH0667194B2 JPH0667194B2 (en) | 1994-08-24 |
Family
ID=12512507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3797387A Expired - Lifetime JPH0667194B2 (en) | 1987-02-23 | 1987-02-23 | Rectifier for AC generator for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0667194B2 (en) |
-
1987
- 1987-02-23 JP JP3797387A patent/JPH0667194B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0667194B2 (en) | 1994-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |