JPH073769Y2 - Bypass cable with ground wire - Google Patents
Bypass cable with ground wireInfo
- Publication number
- JPH073769Y2 JPH073769Y2 JP1989011316U JP1131689U JPH073769Y2 JP H073769 Y2 JPH073769 Y2 JP H073769Y2 JP 1989011316 U JP1989011316 U JP 1989011316U JP 1131689 U JP1131689 U JP 1131689U JP H073769 Y2 JPH073769 Y2 JP H073769Y2
- Authority
- JP
- Japan
- Prior art keywords
- ground wire
- cable
- bypass cable
- bypass
- shield
- 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 - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims description 9
- 230000005684 electric field Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 12
- 229920001971 elastomer Polymers 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
Landscapes
- Cable Accessories (AREA)
- Processing Of Terminals (AREA)
Description
【考案の詳細な説明】 ［考案の目的］ （産業上の利用分野） 本考案は接地線付バイパス用ケーブルの改良に係わり、
特にバイパス用ケーブルの終端部の沿面特性の向上を図
る場合に有用な接地線付バイパス用ケーブルに関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to improvement of a bypass cable with a ground wire,
In particular, the present invention relates to a bypass cable with a ground wire, which is useful when improving the creepage characteristics of the terminal portion of the bypass cable.
（従来の技術） 一般に、高圧架空配電線の各種工事を行うに際しては、
停電区間の縮少または無停電化を図るためにバイパス用
ケーブルが使用されている。(Prior Art) Generally, when performing various works for high voltage overhead distribution lines,
Bypass cables are used to reduce the number of power outages or make them uninterruptible.
しかして、かかるバイパス用ケーブルとしては、第４図
および第５図に示すように、ケーブルコア１上に遮蔽層
２を設け、この上にシース３を設けて成る遮蔽付きのバ
イパス用ケーブルが使用されている。As such a bypass cable, as shown in FIGS. 4 and 5, a shielded bypass cable having a shield layer 2 provided on a cable core 1 and a sheath 3 provided thereon is used. Has been done.
ところで、かかる構成のバイパス用ケーブルにおいて
は、いずれか一方のケーブル終端部４の遮蔽層２上に、
コーン状部５を有する筒状の遮蔽金具６を、コーン状部
５を一方のケーブル端部に向けて嵌着し、この遮蔽金具
６に形成されたタップ７に図示しない接地線の端子がビ
ス止めされ、この接地線を介して遮蔽層２がケーブル終
端部外に引き出されている。By the way, in the bypass cable having such a configuration, on one of the cable terminating portions 4 on the shielding layer 2,
A tubular shield metal fitting 6 having a cone-shaped portion 5 is fitted with the cone-shaped portion 5 facing one cable end, and a terminal of a ground wire (not shown) is attached to a tap 7 formed on the shield metal fitting 6. It is stopped and the shield layer 2 is pulled out to the outside of the cable end portion through this ground wire.
（考案が解決しようとする問題点） しかしながら、このような従来の接地線付バイパス用ケ
ーブルにおいては、接地線引出部、すなわち接地線を接
続するため遮蔽金具６が露出しているので、圧縮端子８
と遮蔽金具６間の沿面特性が雨天時あるいは塩害地域等
の外部環境に大きく左右されるという難点があった。(Problems to be solved by the invention) However, in such a conventional bypass cable with a ground wire, since the shield metal 6 is exposed for connecting the ground wire lead-out portion, that is, the ground wire, the compression terminal 8
There is a drawback in that the creepage characteristics between the shield metal 6 and the shield metal 6 are greatly influenced by the external environment such as a rainy day or a salt damage area.
そこで本考案はこのような難点を解消しようとするもの
で、ケーブル終端部の沿面特性を著しく向上でき、また
工事現場における作業性を向上し得る接地線付バイパス
用ケーブルを提供する。Therefore, the present invention is intended to solve such a problem, and provides a bypass cable with a grounding wire that can significantly improve the creeping characteristics of the cable end portion and can improve the workability at the construction site.
［考案の構成］ （問題点を解決するための手段） 本考案の接地線付バイパス用ケーブルは、ケーブルコア
の外周に遮蔽層及びシースを備えるバイパス用ケーブル
と、導体の外周に絶縁体を備える接地線とから成り、前
記バイパス用ケーブルの端部を段剥して露出させた遮蔽
層端には電界緩和処理手段が配設され、前記バイパス用
ケーブルの略中央部の前記シースを切除して露出させた
前記遮蔽層には前記接地線の導体が電気的に接続されて
おり、この接地線の引出部の電極部分及び前記電界緩和
手段の配設部の電極部分には、これらの電極部分の外表
面を覆う如くそれぞれ絶縁物が設けられていることを特
徴としている。[Configuration of Device] (Means for Solving Problems) A bypass cable with a ground wire of the present invention includes a bypass cable having a shield layer and a sheath on the outer periphery of a cable core, and an insulator on the outer periphery of a conductor. An electric field mitigating means is provided at the end of the shielding layer, which is composed of a ground wire and is exposed by stripping off the end of the bypass cable, and the sheath is cut off at the approximately central portion of the bypass cable to be exposed. The conductor of the grounding wire is electrically connected to the shield layer, and the electrode portion of the lead-out portion of the grounding wire and the electrode portion of the disposing portion of the electric field relaxation means are connected to the electrode portion of these electrode portions. It is characterized in that an insulating material is provided so as to cover the outer surface.
（作用） 本考案の接地線付バイパス用ケーブルにおいては、接地
線の引出しをバイパス用ケーブルの略中央部で行い且つ
遮蔽金具の外表面を露出させていないので、ケーブル終
端部の沿面特性の向上を図ることができ、また接地線が
工場において予めバイパス用ケーブルに接続されている
ので、現地における作業性を著しく向上させることがで
きる。(Operation) In the bypass cable with a ground wire of the present invention, the ground wire is drawn out at approximately the center of the bypass cable and the outer surface of the shielding metal is not exposed. In addition, since the ground wire is connected to the bypass cable in advance at the factory, the workability at the site can be significantly improved.
（実施例） 以下本考案を、図面に示す一実施例について説明する。(Embodiment) The present invention will be described below with reference to an embodiment shown in the drawings.
第１図は、本考案の一実施例における接地線付バイパス
用ケーブルを示す説明図で、第４図および第５図と共通
する部分には同一符号を付してある。FIG. 1 is an explanatory view showing a bypass cable with a ground wire according to an embodiment of the present invention, and the portions common to FIGS. 4 and 5 are designated by the same reference numerals.
第１図において、本考案に係わる接地線付バイパス用ケ
ーブルは、全長約5mの6600V級のエチレンプロピレンゴ
ム絶縁クロロプレンゴムシースケーブル等から成るバイ
パス用ケーブル９と、バイパス用ケーブルの略中央部に
形成された接地線モールド部10に接続された全長約1.2m
のゴム絶縁電線等から成る接地線11とから成り、バイパ
ス用ケーブル９の両終端部には遮蔽層端の電界緩和のた
めのケーブル終端モールド部12、12が形成されている。In FIG. 1, a bypass cable with a grounding wire according to the present invention is formed in a substantially central portion of the bypass cable 9 and a bypass cable 9 made of 6600V class ethylene propylene rubber insulated chloroprene rubber sheath cable having a total length of about 5 m. Connected to the ground wire molded part 10 that is about 1.2m long
And a ground wire 11 made of a rubber insulated wire or the like, and cable terminating mold portions 12, 12 are formed at both end portions of the bypass cable 9 for alleviating an electric field at the end of the shielding layer.
接地線モールド部10は第２図に示すように、バイパス用
ケーブル９の略中央部のシース３を切除して露出された
編組等の遮蔽層２の外周に、接地線11の導体13を巻き付
けて半田等で固着し、この接地線11の導体13の接続部の
全体すなわち露出している遮蔽層２および接地線11の導
体13の全体をゴム等の絶縁モールド体14で水密に包被
し、これによって接地線引出部の電極部分が埋め込み型
とされている。As shown in FIG. 2, the ground wire molded portion 10 has the conductor 13 of the ground wire 11 wound around the outer periphery of the shield layer 2 such as a braid exposed by cutting off the sheath 3 at the substantially central portion of the bypass cable 9. Then, the entire connecting portion of the conductor 13 of the ground wire 11, that is, the exposed shield layer 2 and the entire conductor 13 of the ground wire 11 is watertightly covered with an insulating mold body 14 such as rubber. As a result, the electrode portion of the ground wire lead-out portion is embedded.
一方、ケーブル終端モールド部12、12も第３図に示すよ
うに、段剥して露出された遮蔽層２に、コーン状部５を
有する筒状の遮蔽金具６をコーン状部５をそれぞれのケ
ーブル端部側に向けて嵌着し、この遮蔽金具６の外周に
シース３およびケーブルコア１間に跨がってゴム等の絶
縁モールド体15を設け、これによって遮蔽金具６がケー
ブル外表面に露出しないようにされている。On the other hand, as shown in FIG. 3, the cable terminating mold portions 12 and 12 also have a cylindrical shielding metal member 6 having a cone-shaped portion 5 on the shield layer 2 exposed by stepwise peeling and the cone-shaped portion 5 on each cable. An insulating mold body 15 made of rubber or the like is provided on the outer periphery of the shield metal fitting 6 so as to straddle between the sheath 3 and the cable core 1, so that the shield metal fitting 6 is exposed on the outer surface of the cable. It is supposed not to.
なお、図中16は、バイパス用ケーブル９の導体17に圧縮
接続した圧縮端子８とケーブルコア１間に跨がって設け
られたゴム等の絶縁モールド体、18はワニ口クリップを
それぞれ示している。In the figure, reference numeral 16 denotes an insulating molded body made of rubber or the like provided between the compression terminal 8 compressed and connected to the conductor 17 of the bypass cable 9 and the cable core 1, and 18 denotes an alligator clip. There is.
このように構成された接地線付バイパス用ケーブルにお
いては、ケーブル終端部の遮蔽金具および接地線引出部
の電極部を絶縁モールド体で包被しているので、すなわ
ち、遮蔽金具および接地線引出部の電極部が露出してい
ないので、ケーブル終端部の沿面特性を著しく向上で
き、ひいては雨天時あるいは塩害地域等の外部環境に左
右されない接地線付バイパス用ケーブルを提供すること
ができる。In the bypass cable with a grounding wire thus configured, the shielding metal fitting at the cable terminating end and the electrode portion of the grounding wire lead-out portion are covered with the insulating molded body. Since the electrode part is not exposed, it is possible to remarkably improve the creeping characteristics of the cable end part, and thus it is possible to provide a bypass cable with a grounding wire that is not affected by the external environment such as in rainy weather or in a salt damage area.
また、本考案においては接地線が工場において予めバイ
パス用ケーブルに接続されているので、現地における作
業時間を大巾に短縮できる。Further, in the present invention, since the ground wire is connected to the bypass cable in advance at the factory, the working time at the site can be greatly shortened.
［考案の効果］ 以上説明したように、本考案の接地線付バイパス用ケー
ブルによれば接地線引出部の電極部およびケーブル終端
部の遮蔽金具が外部に露出していないのでケーブル終端
部の沿面特性を著しく向上でき、また接地線が工場にお
いて予めバイパス用ケーブルに取着されているので、現
地における作業性を向上させることができる。[Effects of the Invention] As described above, according to the bypass cable with a ground wire of the present invention, the electrode part of the ground wire lead-out portion and the shield metal fitting of the cable end portion are not exposed to the outside, so that the creeping surface of the cable end portion is not exposed. The characteristics can be remarkably improved and the workability at the site can be improved because the ground wire is attached to the bypass cable in advance at the factory.
第１図は本考案の接地線付バイパス用ケーブル一実施例
を示す説明図、第２図は接地線モールド部の縦断面図、
第３図はケーブル終端モールド部の縦断面図、第４図は
従来の接地線付バイパス用ケーブルの説明図、第５図は
従来の接地線付バイパス用ケーブルの接地線引出部の縦
断面図である。 ２……遮蔽層 ３……シース ６……遮蔽金具 ９……バイパス用ケーブル 10……接地線モールド部 11……接地線 12……ケーブル終端モールド部 13、17……導体 14、17……絶縁モールド体FIG. 1 is an explanatory view showing an embodiment of a bypass cable with a grounding wire according to the present invention, and FIG. 2 is a vertical cross-sectional view of a grounding wire mold part,
FIG. 3 is a vertical cross-sectional view of a cable terminating mold portion, FIG. 4 is an explanatory view of a conventional bypass cable with a ground wire, and FIG. 5 is a vertical cross-sectional view of a ground wire lead-out portion of a conventional bypass cable with a ground wire. Is. 2 ... Shielding layer 3 ... Sheath 6 ... Shielding metal 9 ... Bypass cable 10 ... Ground wire molded part 11 ... Ground wire 12 ... Cable end molded part 13, 17 ... Conductor 14, 17 ... Insulation mold body
───────────────────────────────────────────────────── フロントページの続き (72)考案者 木村 一朗 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 (72)考案者 小林 裕 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 (56)参考文献 実開 昭55−146614（ＪＰ，Ｕ) 実公 昭44−11805（ＪＰ，Ｙ１) 実公 昭47−16819（ＪＰ，Ｙ１) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Ichiro Kimura, Inventor Ichiro Kimura 2-1-1 Oda Sakae, Kawasaki-ku, Kanagawa Prefecture, Showa Electric Wire & Cable Co., Ltd. (72) Yutaka Kobayashi 2 Sakae Oda, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture No. 1-1 No. 1 Showa Densen Denki Co., Ltd. (56) References Actual Development Sho 55-146614 (JP, U) Actual Public Sho 44-11805 (JP, Y1) Actual Public Sho 47-16819 (JP, Y1)
Claims (1)
備えるバイパス用ケーブルと、導体の外周に絶縁体を備
える接地線とから成り、前記バイパス用ケーブルの端部
を段剥して露出させた遮蔽層端には電界緩和処理手段が
配設され、前記バイパス用ケーブルの略中央部の前記シ
ースを切除して露出させた前記遮蔽層には前記接地線の
導体が電気的に接続されており、この接地線の引出部の
電極部分及び前記電界緩和手段の配設部の電極部分に
は、これらの電極部分の外表面を覆う如くそれぞれ絶縁
物が設けられていることを特徴とする接地線付バイパス
用ケーブル。1. A shield comprising a bypass cable having a shield layer and a sheath on the outer periphery of a cable core, and a ground wire having an insulator on the outer periphery of a conductor, the shield being exposed by stripping off an end of the bypass cable. An electric field relaxation processing means is disposed at the layer end, and the conductor of the ground wire is electrically connected to the shielding layer exposed by cutting off the sheath in the substantially central portion of the bypass cable, An insulating material is provided on the electrode portion of the lead-out portion of the ground wire and the electrode portion of the arrangement portion of the electric field relaxation means, respectively, so as to cover the outer surfaces of these electrode portions. Bypass cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989011316U JPH073769Y2 (en) | 1989-02-01 | 1989-02-01 | Bypass cable with ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989011316U JPH073769Y2 (en) | 1989-02-01 | 1989-02-01 | Bypass cable with ground wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02104709U JPH02104709U (en) | 1990-08-21 |
| JPH073769Y2 true JPH073769Y2 (en) | 1995-01-30 |
Family
ID=31219764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989011316U Expired - Lifetime JPH073769Y2 (en) | 1989-02-01 | 1989-02-01 | Bypass cable with ground wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073769Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6784940B2 (en) | 2017-07-26 | 2020-11-18 | 住友電装株式会社 | Conductive path |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4411805Y1 (en) * | 1966-05-07 | 1969-05-16 | ||
| JPS4716819U (en) * | 1971-03-29 | 1972-10-27 | ||
| JPS55146614U (en) * | 1979-04-09 | 1980-10-21 |
-
1989
- 1989-02-01 JP JP1989011316U patent/JPH073769Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02104709U (en) | 1990-08-21 |
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