JPS6035882B2 - Method for removing oxide film from cable conductor ends - Google Patents
Method for removing oxide film from cable conductor endsInfo
- Publication number
- JPS6035882B2 JPS6035882B2 JP53096887A JP9688778A JPS6035882B2 JP S6035882 B2 JPS6035882 B2 JP S6035882B2 JP 53096887 A JP53096887 A JP 53096887A JP 9688778 A JP9688778 A JP 9688778A JP S6035882 B2 JPS6035882 B2 JP S6035882B2
- Authority
- JP
- Japan
- Prior art keywords
- oxide film
- cable conductor
- conductor ends
- removing oxide
- wire
- 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.)
- Expired
Links
Landscapes
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
- Processing Of Terminals (AREA)
Description
【発明の詳細な説明】 本発明はケーブル導体の接続法に関するものである。[Detailed description of the invention] The present invention relates to a method for connecting cable conductors.
近時送電容量の増大に伴って大導体の交流実効抵抗の低
減が要求されており、その対策として表皮効果、近接効
果の低減のため表面に酸化皮膜層を有する素線の複数条
を撚合わせた導体が開発されている。With the recent increase in power transmission capacity, there is a need to reduce the effective AC resistance of large conductors, and as a countermeasure to this, multiple strands of wire with an oxide film layer on the surface are twisted together to reduce the skin effect and proximity effect. conductors have been developed.
本発明は上記素線を撚り合わせたケーブル導体端部の酸
化皮膜除去法に関するものである。The present invention relates to a method for removing an oxide film from the end of a cable conductor made by twisting the above-mentioned wires together.
上記ケーブルの実際の接続においてまず、導体２を接続
するためには前記素線の酸化皮膜層を除去して導電性を
持たせなければならない。この方法として従来はいわゆ
る「酸洗縦→水洗→乾燥」の工程で素線の酸化皮膜層を
除去していたが、酸洗縦時に素線の撚合せ間隙にしみ込
んだ酸液（例えば塩酸、硫酸）が水洗で充分取り切れず
に残存し、濃度は薄まるものの素線の燃合せ方向に浸入
して行き、酸化皮膜の除去の必要のない部分をも除去す
る欠点があった。In the actual connection of the cable, first, in order to connect the conductor 2, the oxide film layer of the wire must be removed to make it conductive. Conventionally, the oxide film layer of the strands was removed in the so-called "vertical pickling → water washing → drying" process, but the acid solution (for example, hydrochloric acid, There was a drawback that sulfuric acid (sulfuric acid) could not be sufficiently removed by washing with water and remained, and although the concentration was diluted, it penetrated in the direction of combustion of the strands, and even parts of the oxide film that did not need to be removed were removed.
本発明は上記欠点に鑑みてなされたものである。The present invention has been made in view of the above drawbacks.
本発明の実施態様を説明すると、素線径２〜３帆の銅線
電秦線表面に酸化第二銅の皮膜を設けた素線を３００〜
８００本撚合わせてなる導体の必要長（例えば９ｃｍ）
を濃度５％の塩酸又は硫酸溶液中に５〜１Ｍ分間浸しそ
の後濃度５％のカセィソーダ又は炭酸ソーダ溶液中に約
５分間浸した後ホースで水をかけて水洗してその後熱風
を吹きつけて乾燥させる。なお実施にあたって撚合わせ
た導体の先端より一定長の位置をバィンドしておき、そ
れより端部をいわゆる笑わせてから上記工程を実施すれ
ば、塩酸溶液が各素線間の隙間によくしみ込んで酸化皮
膜は一そうよく除去できるし、アルカリ溶液による中和
その後の水洗も完全に行ない得る。To explain the embodiment of the present invention, a copper wire electric wire with a wire diameter of 2 to 3 mm is coated with a cupric oxide film on the surface of the wire.
Required length of a conductor made of 800 twisted wires (e.g. 9cm)
Soak it in a 5% concentration hydrochloric acid or sulfuric acid solution for 5 to 1M minutes, then soak it in a 5% concentration caustic soda or soda carbonate solution for about 5 minutes, then rinse it with water using a hose, and then dry it by blowing hot air. let In addition, if you bind a certain length from the ends of the twisted conductors and then bend the ends before carrying out the above process, the hydrochloric acid solution will penetrate well into the gaps between each wire and oxidize. The film can be easily removed, and neutralization with an alkaline solution followed by water washing can be carried out completely.
以上の工程が終った後通常の方法でスリーブ接続又はハ
ンダあげ接続によりケーブル導体の接続を完了する。以
上述べたごと〈本発明によれば表面に設けられた酸化皮
膜を除去するのに、酸洗液後アルカリ液に浸すだけで素
線間にしみ込んだ酸液を中和できるので酸化皮膜除去の
効果が顕著となる。After completing the above steps, the cable conductors are connected by sleeve connection or soldering in the usual manner. As stated above, according to the present invention, in order to remove the oxide film formed on the surface, the acid solution that has penetrated between the strands can be neutralized by simply dipping it in an alkaline solution after the pickling solution. The effect becomes noticeable.
Claims (1)
なる導体相互の接続に際し、導体の接続に要する端部を
酸洗滌、アルカリ洗滌、水洗、乾燥を順次行ない酸化皮
膜を除去することを特徴とするケーブル導体端部の酸化
皮膜除去法。1. When interconnecting conductors made by twisting together multiple strands of wire with an oxide film layer on the surface, the ends required for connection of the conductors are sequentially subjected to acid washing, alkali washing, water washing, and drying to remove the oxide film. A method for removing an oxide film from the end of a cable conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53096887A JPS6035882B2 (en) | 1978-08-09 | 1978-08-09 | Method for removing oxide film from cable conductor ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53096887A JPS6035882B2 (en) | 1978-08-09 | 1978-08-09 | Method for removing oxide film from cable conductor ends |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5523782A JPS5523782A (en) | 1980-02-20 |
| JPS6035882B2 true JPS6035882B2 (en) | 1985-08-17 |
Family
ID=14176895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53096887A Expired JPS6035882B2 (en) | 1978-08-09 | 1978-08-09 | Method for removing oxide film from cable conductor ends |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6035882B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62215848A (en) * | 1986-03-18 | 1987-09-22 | Hochiki Corp | Sensing apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831433A (en) * | 1971-08-30 | 1973-04-25 |
-
1978
- 1978-08-09 JP JP53096887A patent/JPS6035882B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62215848A (en) * | 1986-03-18 | 1987-09-22 | Hochiki Corp | Sensing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5523782A (en) | 1980-02-20 |
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