JPH03261077A - Connecting portion of (cv) cable - Google Patents
Connecting portion of (cv) cableInfo
- Publication number
- JPH03261077A JPH03261077A JP5800790A JP5800790A JPH03261077A JP H03261077 A JPH03261077 A JP H03261077A JP 5800790 A JP5800790 A JP 5800790A JP 5800790 A JP5800790 A JP 5800790A JP H03261077 A JPH03261077 A JP H03261077A
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- cable
- mold
- connecting portion
- internal
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 45
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000004698 Polyethylene Substances 0.000 claims description 15
- 229920000573 polyethylene Polymers 0.000 claims description 15
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 239000003431 cross linking reagent Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 3
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- 229920001780 ECTFE Polymers 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 2
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
- Cable Accessories (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は接続部にモールド絶縁体を形成してケーブルの
中間接続を行うＣＶケーブルの接続部に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connecting portion of a CV cable in which a molded insulator is formed at the connecting portion to perform an intermediate connection of the cable.
従来、直流ＣＶケーブルを中間部で接続するに際し、絶
縁材料としてはＸＬＰＥ （架橋ポリエチレン）や導電
性無機質材料入りＸＬＰＥ等が用いられていた。そして
、中間接続部はケーブル絶縁材料と同一の材料をテープ
巻き或いは押出成型により形成した後、加圧・加熱モー
ルドすることによって、ケーブル絶縁体と一体となるよ
うにしてモールド絶縁体を形成している。Conventionally, when connecting DC CV cables at the intermediate portion, XLPE (crosslinked polyethylene), XLPE containing a conductive inorganic material, or the like has been used as an insulating material. Then, the intermediate connection part is formed by tape-wrapping or extrusion molding the same material as the cable insulating material, and then pressurized and heated to form a molded insulator so as to be integrated with the cable insulator. There is.
しかしながら、上記従来技術にあっては、モールド絶縁
体とケーブル絶縁体との境界面、モールド絶縁体と内・
外部半導電層との境界面等に電気的な弱点が生じ、これ
が原因となり絶縁破壊に至ることが多く発生してしまう
問題点があった。However, in the above conventional technology, the interface between the molded insulator and the cable insulator, the inner
There is a problem in that electrical weaknesses occur at the interface with the external semiconducting layer, which often leads to dielectric breakdown.
そこで、本発明は上記事情を考慮してなされたもので、
その目的とするところは、モールド絶縁体とケーブル絶
縁体との境界面、モールド絶縁体と内・外部半導電層と
の境界面等に発生する電気的な弱点を克服することので
きるＣＶケーブルの接続部を提供することにある。Therefore, the present invention has been made in consideration of the above circumstances.
The objective is to develop CV cables that can overcome the electrical weaknesses that occur at the interface between the molded insulator and the cable insulator, and the interface between the molded insulator and the inner and outer semiconducting layers. The purpose is to provide a connection.
上記の目的を達成するために、本発明にあっては、接続
部にモールド絶縁体を形成してケーブルの中間接続を行
うＣＶケーブルの接続部において、上記モールド絶縁体
にフッ化ポリエチレン祠料を使用したことを特徴とする
。In order to achieve the above object, in the present invention, a fluorinated polyethylene abrasive is applied to the molded insulator at the connection part of a CV cable in which a molded insulator is formed at the joint part and intermediate connection of the cable is made. Characterized by its use.
上記フッ化ポリエチレン材料はポリエチレン中のフッ素
モル濃度を０．００５〜１に設定することが望ましい。In the above-mentioned fluorinated polyethylene material, it is desirable that the fluorine molar concentration in the polyethylene is set to 0.005 to 1.
上記の構成を有する本発明においては、ＣＶケーブルを
中間部で接続するに際し、モールド絶縁体にフッ化ポリ
エチレン材料を使用したので、モールド絶縁体とケーブ
ル絶縁体との境界面、モールド絶縁体と内・外部半導電
層との境界面等に発生する電気的な弱点を克服すること
ができる。In the present invention having the above configuration, when connecting the CV cable at the intermediate portion, a fluorinated polyethylene material is used for the mold insulator, so the interface between the mold insulator and the cable insulator, the mold insulator and the inner・It is possible to overcome electrical weaknesses that occur at the interface with the external semiconducting layer.
以下、本発明の実施例を図面に基づいて説明する。第１
図に本発明の一実施例による直流ＣＶケーブルの接続部
を示す。同図において、直流ＣＶケーブル１はケーブル
導体２に内部半導電層３、ケーブル絶縁体４および外部
半導電層５が順次設けられている。そして、同径の直流
ＣＶケーブル１を中間部で接続するに際し、直流ＣＶケ
ーブル１の中間接続部はモールド絶縁体６を内部半導電
層３およびケーブル絶縁体４の外周上にテープ巻きまた
は押出成型により形成した後、加圧・加熱モールドする
ことによって絶縁体を形成している。Embodiments of the present invention will be described below based on the drawings. 1st
The figure shows a connecting portion of a DC CV cable according to an embodiment of the present invention. In the figure, a DC CV cable 1 has a cable conductor 2 provided with an inner semiconducting layer 3, a cable insulator 4, and an outer semiconducting layer 5 in this order. When connecting the DC CV cables 1 of the same diameter at the intermediate portion, the intermediate connection portion of the DC CV cable 1 is formed by wrapping a molded insulator 6 on the outer periphery of the internal semiconductive layer 3 and the cable insulator 4 with tape or by extrusion molding. The insulator is formed by pressurizing and heating molding.
ここで、モールド絶縁体６は架橋剤入りのフッ化ポリエ
チレン材料が使用され、このフッ化ポリエチレン材料は
ポリエチレン中のフッ素モル濃度を０．００５〜１に設
定してあって、誘電率が３〜９（第２図示）である。Here, a fluorinated polyethylene material containing a crosslinking agent is used for the mold insulator 6, and this fluorinated polyethylene material has a fluorine molar concentration in polyethylene set to 0.005 to 1, and a dielectric constant of 3 to 1. 9 (as shown in the second diagram).
また、フッ化ポリエチレン材料としては、例えばポリテ
トラフルオロエチレン（ＰＴＦＥ）、 テトラフルオロ
エチレン−ヘキサフルオロプロピレン共重合体（ＦＥＰ
） テトラフルオロエチレンパーフルオロアルキルビ
ニルエーテル共重合体（ＰＦＡ）、ポリクロロトリフル
オロエチレン（ＰＣＴＦＥ）、 クロロトリフルオロ
エチレン−エチレン共重合体（ＥＣＴＦＥ）、テトラフ
ルオロエチレン−エチレン共重合体（ＥＴＦＥ）および
ポリビニリデンフルオライド（ＰＶＤＦ）が挙げられる
。In addition, examples of fluorinated polyethylene materials include polytetrafluoroethylene (PTFE), tetrafluoroethylene-hexafluoropropylene copolymer (FEP),
) Tetrafluoroethylene perfluoroalkyl vinyl ether copolymer (PFA), polychlorotrifluoroethylene (PCTFE), chlorotrifluoroethylene-ethylene copolymer (ECTFE), tetrafluoroethylene-ethylene copolymer (ETFE) and poly Examples include vinylidene fluoride (PVDF).
このように本実施例によれば、ポリエチレンを（１，０
０５〜１モルフッ化させ、誘電率が３〜９のフッ化ポリ
エチレン材料（架橋剤入り）を同径中間接続部のモール
ド絶縁体飼料として用いることによって、第３囚に示す
ように電気絶縁特性を向上させることができ、その結果
直流ＣＶケーブル１を中間部で接続するに際し、モール
ド絶縁体６とケーブル絶縁体４との境界面、モールド絶
縁体６と内・外部半導電層３，５との境界面等に発生す
る電気的な弱点を克服することができる。As described above, according to this example, polyethylene (1,0
By using a fluorinated polyethylene material (containing a cross-linking agent) with a dielectric constant of 3 to 9 as a mold insulator feed for the intermediate connection part of the same diameter, the electrical insulation properties can be improved as shown in the third example. As a result, when connecting the DC CV cable 1 at the intermediate portion, the interface between the molded insulator 6 and the cable insulator 4, and the interface between the molded insulator 6 and the inner and outer semiconducting layers 3 and 5 can be improved. It is possible to overcome electrical weaknesses that occur at interfaces, etc.
以上説明したように、本発明によれば、モールド絶縁体
にフッ化ポリエチレン材料を使用したことにより、中間
接続部における電気絶縁特性を向上させることができ、
モールド絶縁体とケーブル絶縁体との境界面、モールド
絶縁体と内・外部半導電層との境界面等に発生する電気
的な弱点を克服することができる。加えて、中間接続部
のモルト絶縁体の厚さをケーブル絶縁体の厚さとほぼ等
しく形成できるという効果を奏する。As explained above, according to the present invention, by using a fluorinated polyethylene material for the mold insulator, it is possible to improve the electrical insulation properties at the intermediate connection part,
It is possible to overcome electrical weaknesses that occur at the interface between the mold insulator and the cable insulator, the interface between the mold insulator and the inner and outer semiconducting layers, and the like. In addition, there is an effect that the thickness of the malt insulator of the intermediate connection portion can be formed to be approximately equal to the thickness of the cable insulator.
第１図は本発明に係るＣＶケーブルの接続部の一実施例
を示す説明図、
第２図はポリエチレン中のフッ素モル濃度と誘電率との
関係を示すグラフ図、
第３図はポリエチレン中のフッ素モル濃度と破壊電圧と
の関係を示すグラフ図である。
１・・・直流ＣＶケーブル、２・・・ケーブル導体、３
・・・内部半導電層、４・・・ケーブル絶縁体、５・・
・外部半導電層、６・・・モールド絶縁体。FIG. 1 is an explanatory diagram showing an example of the connection part of a CV cable according to the present invention, FIG. 2 is a graph diagram showing the relationship between the fluorine molar concentration and dielectric constant in polyethylene, and FIG. FIG. 2 is a graph diagram showing the relationship between fluorine molar concentration and breakdown voltage. 1... DC CV cable, 2... Cable conductor, 3
...Internal semiconducting layer, 4...Cable insulator, 5...
- External semiconductive layer, 6... mold insulator.
Claims (2)
接続を行うＣＶケーブルの接続部において、上記モール
ド絶縁体にフッ化ポリエチレン材料を使用したことを特
徴とするＣＶケーブルの接続部。1. A CV cable connection part in which a molded insulator is formed at the connection part to perform an intermediate connection of the cable, characterized in that a fluorinated polyethylene material is used for the molded insulator.
モル濃度を０．００５〜１に設定した材料である請求項
１記載のＣＶケーブルの接続部。2. 2. The CV cable connection part according to claim 1, wherein the fluorinated polyethylene material is a material in which the molar concentration of fluorine in polyethylene is set to 0.005 to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5800790A JPH03261077A (en) | 1990-03-12 | 1990-03-12 | Connecting portion of (cv) cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5800790A JPH03261077A (en) | 1990-03-12 | 1990-03-12 | Connecting portion of (cv) cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03261077A true JPH03261077A (en) | 1991-11-20 |
Family
ID=13071918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5800790A Pending JPH03261077A (en) | 1990-03-12 | 1990-03-12 | Connecting portion of (cv) cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03261077A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100866590B1 (en) * | 2006-12-28 | 2008-11-10 | 부영산전주식회사 | Connector and connecting method of detection line |
-
1990
- 1990-03-12 JP JP5800790A patent/JPH03261077A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100866590B1 (en) * | 2006-12-28 | 2008-11-10 | 부영산전주식회사 | Connector and connecting method of detection line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4634615A (en) | Heat recoverable coextruded articles | |
| US3777048A (en) | Molding process for splicing cable and product formed thereby | |
| GB2261668A (en) | Electrical insulating material | |
| JPH03261077A (en) | Connecting portion of (cv) cable | |
| CA2473332A1 (en) | Method for coating and/or partial extrusion-coating of flexible, elongated products | |
| JPH1141779A (en) | Connection part for cross-linked polyethylene insulated power cable | |
| JPS6031124Y2 (en) | Rubber/plastic insulated power cable | |
| JPS6054727B2 (en) | High voltage resistance wire for noise prevention | |
| JP2580841B2 (en) | coaxial cable | |
| JPH0621118U (en) | Insulated wire and coaxial cable | |
| JPH04347519A (en) | Stress cone | |
| JPH0234733Y2 (en) | ||
| JPS6029136Y2 (en) | Insulated wire | |
| JPH0613581Y2 (en) | Silicone rubber composite heat-shrinkable tube | |
| JP2789583B2 (en) | Forming method of cable connection | |
| JP3154643B2 (en) | Method for manufacturing solid insulator coated conductor | |
| JPH0393115A (en) | Production of cable for high voltage electric appliance | |
| JPS6116753Y2 (en) | ||
| JPH03159008A (en) | Insulated electric cable | |
| JPH02270210A (en) | Insulated wire | |
| JPH0648683Y2 (en) | Varnish resistant insulated wire | |
| JPS6322616Y2 (en) | ||
| JPH0510012B2 (en) | ||
| JPH0332009Y2 (en) | ||
| JPH02237418A (en) | Mold joint technique of cable |