JPS60207219A - Rubber.plastic insulated power cable with metallic sheath - Google Patents
Rubber.plastic insulated power cable with metallic sheathInfo
- Publication number
- JPS60207219A JPS60207219A JP59064760A JP6476084A JPS60207219A JP S60207219 A JPS60207219 A JP S60207219A JP 59064760 A JP59064760 A JP 59064760A JP 6476084 A JP6476084 A JP 6476084A JP S60207219 A JPS60207219 A JP S60207219A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- metal sheath
- water
- insulated power
- power cable
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔技術分野〕
本発明は、金属シースを有するゴム・プラスチック絶縁
型カケーブルの改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an improvement in a rubber/plastic insulated power cable having a metal sheath.
ゴムプラスチック絶縁型カケーブルは浸水状態テ使用さ
れると著しく寿命が短縮される。そのために遮水層とし
てコルゲート金属シース（たとえばアルミ、ステンレス
等）を有するゴム・プラスチック絶縁型カケーブルが広
く実用されている。The lifespan of rubber-plastic insulated power cables is significantly shortened when used in submerged conditions. For this reason, rubber/plastic insulated power cables having a corrugated metal sheath (for example, aluminum, stainless steel, etc.) as a water-blocking layer are widely used.
当該金属シースは完全な遮水層であり、これが健全であ
る限り、何ら問題ないが、外傷等で当該金属シースに穴
があくと当該金属シースと絶縁体コアー間に空隙部があ
るためにこの空隙部に入った水はケーブル長さ方向にも
走ってしまいケーブル長さ方向全体が浸水状態となりケ
ーブル寿命の短縮を招くこととなる。特にコルゲート金
属シースのコルゲート加工はケーブルに可とう性を持た
せるために行うもので、一般にスパイラル状であり、ス
パイラル状の山部に大きな空隙があるため水はケーブル
長さ方向に容易に走ることになる。The metal sheath is a complete water-shielding layer, and as long as it is sound, there is no problem. However, if the metal sheath has a hole due to external injury, etc., there will be a gap between the metal sheath and the insulator core. The water that has entered the gap also runs along the length of the cable, causing the entire length of the cable to be flooded, resulting in a shortened cable life. Corrugated metal sheaths in particular are corrugated to give flexibility to the cables, which are generally spiral-shaped and have large voids in the crests of the spirals, making it easy for water to run along the length of the cables. become.
本発明は、上述の些題点を解消するために成されたもの
で、金属シースを有するゴム・プラスチック絶縁型カケ
ーブルにおいて、絶縁体コアー上に、水密性コンパウン
ド層、−一トｌからなる走水防止層を有し、当該走水防
止層上に、環状波付金属シースを、その波付谷部が上記
走水防止層と接して設けたことを特徴とする金属シース
を有するゴム・プラスチック絶縁型カケーブルを提供す
るものであり、その目的とするところは、外傷等により
、金属シースに穴があき侵入した水がケーブル長さ方向
に走ることを防止することにある。The present invention has been made to solve the above-mentioned problems, and is a rubber/plastic insulated cable having a metal sheath, which is made of a watertight compound layer on an insulator core. A rubber sheet having a metal sheath, characterized in that the metal sheath has an annular corrugated metal sheath, the corrugated troughs of which are in contact with the anti-water running layer. A plastic insulated power cable is provided, and its purpose is to prevent water from penetrating the metal sheath due to trauma or the like from running along the length of the cable.
以下本発明を図面に示す実施例により説明する。The present invention will be explained below with reference to embodiments shown in the drawings.
第１図は、従来のコルゲート金属シースを有するゴムプ
ラスチック絶縁型カケーブルの縦断面図を示すもので、
導体１の上にゴム・プラスチックから成る絶縁体２を施
こし絶縁体コアー６を形成する。更に絶縁体コアー６上
にコルゲート金属シース４を施し、この上にゴム・プラ
スチックから成る防食層を設けてなるものである。８は
絶縁体コアー６とコルゲート金属シース４との間にでき
る空隙を示す。FIG. 1 shows a longitudinal cross-sectional view of a conventional rubber-plastic insulated cable with a corrugated metal sheath.
An insulator 2 made of rubber or plastic is applied on the conductor 1 to form an insulator core 6. Further, a corrugated metal sheath 4 is provided on the insulator core 6, and an anti-corrosion layer made of rubber or plastic is provided on top of the corrugated metal sheath 4. 8 indicates a gap formed between the insulator core 6 and the corrugated metal sheath 4.
第２図は、第１図のコルゲート金属シース４の外観を示
すもので、コルゲートはスパイラル状となっている。従
って、スパイラル上の山部に大きな空隙ができ、外傷等
でコルゲート金属シース４に穴があくと空隙３に入った
水はケーブル長さ方向に容易に走ることになる。FIG. 2 shows the appearance of the corrugated metal sheath 4 shown in FIG. 1, and the corrugated metal sheath 4 has a spiral shape. Therefore, a large gap is formed at the peak of the spiral, and if a hole is made in the corrugated metal sheath 4 due to external injury or the like, water that has entered the gap 3 will easily run in the length direction of the cable.
第８図は本発明の環状波付金属シースを有するゴム・プ
ラスチック絶縁型カケーブルの縦断面図 ゛を示す。ま
た、第４図は第８図の環状波付金属シース８の外観を示
すものである。FIG. 8 shows a longitudinal sectional view of a rubber/plastic insulated cable having an annular corrugated metal sheath according to the present invention. Further, FIG. 4 shows the appearance of the annular corrugated metal sheath 8 of FIG. 8.
第１図および第２図に示す従来ケーブルとの構造上での
相違は次の通りである。The structural differences from the conventional cable shown in FIGS. 1 and 2 are as follows.
本発明では、絶縁体コアー上に水密性コンパウンド層か
らなる走水防止層７を有しており、当該走水防止層上に
環状波付金属シース８を、その波付谷部が前記走水防止
層７と接して設けたことである。環状波付金属シース８
の谷部９はケーブルの長さ方向のケーブル中心軸をはさ
んで互いに対向している。（山部１０も同様に対向して
いる）従って、環状波付金属シースの山部が外傷等で穴
があき、当該金属シース内に浸水しても、水は穴のあい
た山部内空隙部にとどまるだけでケーブル長さ方向に走
ることはない。In the present invention, a water running prevention layer 7 made of a watertight compound layer is provided on an insulator core, and an annular corrugated metal sheath 8 is provided on the water running prevention layer, and the corrugated troughs are formed in the water running prevention layer 7. This is because it is provided in contact with the prevention layer 7. Annular corrugated metal sheath 8
The troughs 9 face each other across the cable center axis in the length direction of the cable. (The ridges 10 are also facing each other in the same way.) Therefore, even if the ridges of the annular corrugated metal sheath have a hole due to external injury or the like and water floods into the metal sheath, the water will flow into the cavity inside the ridge with the hole. It just stays there and does not run along the length of the cable.
水蜜性コンパウンド層の材料としては、ポリブテン系ゴ
ムコンパウンドを、また吸水時に膨張性を有するアクリ
ル酸系の吸水ポリマーまたは該吸水ポリマーからなるコ
ンパウンドを塗布したテープ等の材料を用いるとより効
果的である。As the material for the water-retaining compound layer, it is more effective to use a polybutene-based rubber compound, an acrylic acid-based water-absorbing polymer that expands when water is absorbed, or a material such as a tape coated with a compound made of the water-absorbing polymer. .
本発明の効果は次の通りである。 The effects of the present invention are as follows.
（１）環状波付金属シースが外傷等で穴があき、ケーブ
ルが浸水状態にあっても水の侵入は前記外傷点だけにと
どまり、ケーブル長さ方向に走ることはないので、完全
な走水防止層付きケーブルとして機能することとなり、
浸水状態による寿命低減を確実に防止できる。。(1) Even if the annular corrugated metal sheath has a hole due to trauma or the like and the cable is submerged in water, the water will only enter at the trauma point and will not run along the length of the cable, ensuring complete water running. It functions as a cable with a prevention layer,
Reliably prevents life expectancy from being shortened due to flooding. .
（２）環状波付金属シースが外傷等で穴があき、ケ“
−プルが浸水状態にあっても、損傷部分のみを修復する
だけで良く、修復に要する費用の低減、期間の短縮が図
れる。(2) The annular corrugated metal sheath has a hole due to external injury, etc.
- Even if the pull is flooded, only the damaged part needs to be repaired, reducing the cost and time required for repair.
第１図は従来のコルゲート金属シースを有するプラスチ
ック絶縁型カケーブルの縦断面図である。
第２図は、第１図のコルゲート金属シース４の外観を示
す図である。第３図は、本発明の環状波付金属シースを
有するゴム・プラスチック絶縁型カケーブルの縦断面図
である。第４図は第３図の環状波付金属シース８の外観
を示す図である。
ｌ・・・導体、２・・・ゴム・プラスチックからなる絶
縁体、３・・・空隙、４・・・コルゲート金属シース、
５・・・ゴム・プラスチックから成る防食層、６・・・
絶縁体コアー、７・・・水密性コンパウンド層から成る
走水防止層、８・・・環状波付金属シース、９・・・谷
部、１０・・・山部。
代オ人 弁理オ よ 代 哲 司：：４’、：’Ｌ’／
（＋、゛Ｊ
智１図
賃２図
官３日
官４図FIG. 1 is a longitudinal sectional view of a conventional plastic insulated power cable having a corrugated metal sheath. FIG. 2 is a diagram showing the appearance of the corrugated metal sheath 4 of FIG. 1. FIG. 3 is a longitudinal sectional view of a rubber/plastic insulated power cable having an annular corrugated metal sheath according to the present invention. FIG. 4 is a diagram showing the appearance of the annular corrugated metal sheath 8 of FIG. 3. l...Conductor, 2...Insulator made of rubber or plastic, 3...Gap, 4...Corrugated metal sheath,
5...Anti-corrosion layer made of rubber/plastic, 6...
Insulator core, 7... Water running prevention layer consisting of a watertight compound layer, 8... Annular corrugated metal sheath, 9... Valley portion, 10... Peak portion. Attorney-at-law, Tetsu Tsukasa::4',:'L'/
(＋、゛J Tomochi 1 illustration fee 2 officer 3 day officer 4 illustration
Claims (2)
ケーブルにおいて、絶縁体コアー上に、水密性コンパウ
ンド層からなる走水防止層を有し、当２該走水防止層上
に、環状波付金属シースを、その波付谷部が上記走水防
止層と接して設けたことを特徴とする金属シースを有す
るゴム・プラスチック絶縁型カケーブル。(1) A rubber/plastic insulated power cable with a metal sheath, which has a water running prevention layer made of a watertight compound layer on the insulator core; A rubber/plastic insulated power cable having a metal sheath, characterized in that the sheath is provided with its corrugated troughs in contact with the water running prevention layer.
系の吸水性ポリマーからなるコンパウンドまたはこれを
塗布したテープまたはボリブデン系ゴムコンパウンド等
を用いた特許請求の範囲第（１）項記載の金属シースを
有するゴム・プラスチック絶縁型カケーブル。(2) A metal sheath according to claim (1) in which a compound made of an acrylic acid-based water-absorbing polymer, a tape coated with the same, a bolybdenum-based rubber compound, etc. are used as the material for the water-retaining compound layer. Rubber/plastic insulated power cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59064760A JPS60207219A (en) | 1984-03-30 | 1984-03-30 | Rubber.plastic insulated power cable with metallic sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59064760A JPS60207219A (en) | 1984-03-30 | 1984-03-30 | Rubber.plastic insulated power cable with metallic sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60207219A true JPS60207219A (en) | 1985-10-18 |
Family
ID=13267453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59064760A Pending JPS60207219A (en) | 1984-03-30 | 1984-03-30 | Rubber.plastic insulated power cable with metallic sheath |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60207219A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03182008A (en) * | 1989-12-08 | 1991-08-08 | Hitachi Cable Ltd | Water running preventive waved metal sheathed cable |
| WO2018056228A1 (en) * | 2016-09-22 | 2018-03-29 | 寛光 山岸 | Cable, device, and electricity supply method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4834872B1 (en) * | 1968-03-01 | 1973-10-24 | ||
| JPS55121212A (en) * | 1979-03-05 | 1980-09-18 | Kabel Metallwerke Ghh | Moistureeproof plastic insulated electric energy cable |
-
1984
- 1984-03-30 JP JP59064760A patent/JPS60207219A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4834872B1 (en) * | 1968-03-01 | 1973-10-24 | ||
| JPS55121212A (en) * | 1979-03-05 | 1980-09-18 | Kabel Metallwerke Ghh | Moistureeproof plastic insulated electric energy cable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03182008A (en) * | 1989-12-08 | 1991-08-08 | Hitachi Cable Ltd | Water running preventive waved metal sheathed cable |
| WO2018056228A1 (en) * | 2016-09-22 | 2018-03-29 | 寛光 山岸 | Cable, device, and electricity supply method |
| JP6312115B1 (en) * | 2016-09-22 | 2018-04-18 | 山岸寛光 | Cable, device, and power supply method |
| CN108369838A (en) * | 2016-09-22 | 2018-08-03 | 山岸宽光 | Cable, equipment and power supply method |
| US10600534B2 (en) | 2016-09-22 | 2020-03-24 | Hiromitsu YAMAGISHI | Cable, device and method of supplying power |
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