JPH0674036U - Air termination junction box for power cables - Google Patents
Air termination junction box for power cablesInfo
- Publication number
- JPH0674036U JPH0674036U JP1849893U JP1849893U JPH0674036U JP H0674036 U JPH0674036 U JP H0674036U JP 1849893 U JP1849893 U JP 1849893U JP 1849893 U JP1849893 U JP 1849893U JP H0674036 U JPH0674036 U JP H0674036U
- Authority
- JP
- Japan
- Prior art keywords
- junction box
- insulator
- cable
- air termination
- termination junction
- 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
Abstract
(57)【要約】
【目的】 碍管内に侵入した水による絶縁劣化を防止し
た電力ケーブル用気中終端接続箱を提供する。
【構成】 電力ケーブル終端部のケーブル絶縁体２上に
形成したプレモールド絶縁体13の外周上に設けたエポキ
シ受座14の上方のケーブル絶縁体２の外周上に、下方が
拡大した円錐状のガイド18を取付けた電力ケーブル用気
中終端接続箱。
(57) [Abstract] [Purpose] To provide an air termination junction box for a power cable, which prevents insulation deterioration due to water that has entered the insulator. [Constitution] On the outer periphery of the cable insulator 2 above the epoxy seat 14 provided on the outer periphery of the pre-molded insulator 13 formed on the cable insulator 2 at the end of the power cable, the downwardly expanded cone shape is formed. Air termination junction box for power cable with guide 18.
Description
【０００１】[0001]
本考案はＣＶケーブル等の電力ケーブル用気中終端接続箱の改良に関するもの である。 The present invention relates to an improvement of an air termination junction box for a power cable such as a CV cable.
【０００２】[0002]
図２は従来の気中終端接続箱の左半分縦断面をあらわした正面図である。 図面において、１はケーブル導体、２は架橋ポリエチレン等のケーブル絶縁体 、３は半導電層、４はポリエチレン、塩化ビニル等のケーブルシースである。上 記ケーブル導体１には導体引出棒11が圧着、圧縮等により固着されており、その 端部には外部の導体接続用のコネクタ12が取付けられている。又ケーブル絶縁体 ２の下部外周にはストレスコーンを有するプレモールド絶縁体13が形成されてお り、その外周上にはエポキシ受座14が設けられている。このようなケーブルの終 端部を内包して碍管15があり、碍管15の内壁とケーブル絶縁体２のなす空間には 絶縁混和物16が充填されている。又上記エポキシ受座14は碍管15の下部金具17に 一体に取付けられており、この下部金具17にはコネクタ19が設けられている。 FIG. 2 is a front view showing a left half longitudinal section of a conventional air termination junction box. In the drawings, 1 is a cable conductor, 2 is a cable insulator such as crosslinked polyethylene, 3 is a semiconductive layer, and 4 is a cable sheath such as polyethylene or vinyl chloride. A conductor pull-out rod 11 is fixed to the cable conductor 1 by crimping, compression, etc., and a connector 12 for connecting an external conductor is attached to the end thereof. A premolded insulator 13 having a stress cone is formed on the outer periphery of the lower portion of the cable insulator 2, and an epoxy seat 14 is provided on the outer periphery thereof. There is a porcelain tube 15 enclosing the end portion of such a cable, and the space between the inner wall of the porcelain tube 15 and the cable insulator 2 is filled with an insulating mixture 16. The epoxy seat 14 is integrally attached to the lower metal fitting 17 of the porcelain bushing 15, and the lower metal fitting 17 is provided with a connector 19.
【０００３】[0003]
上述した従来の気中終端接続箱においては、導体引出棒11の端部に取付けたコ ネクタ12を通じて碍管15内部に水が侵入する。そして侵入した水はエポキシ受座 14とケーブル絶縁体２によって形成された凹所に溜まり、絶縁劣化の原因となる 。 In the conventional air termination junction box described above, water penetrates into the porcelain tube 15 through the connector 12 attached to the end of the conductor extraction rod 11. Then, the invading water accumulates in the recess formed by the epoxy seat 14 and the cable insulator 2, causing insulation deterioration.
【０００４】[0004]
本考案は上述の問題点を解消した気中終端接続箱を提供するもので、その特徴 は、電力ケーブル終端部のケーブル絶縁体上に形成したプレモールド絶縁の外周 上に設けたエポキシ受座の上方のケーブル絶縁体の外周上に、下方が拡大した円 錐状のガイドを取付けたことにある。 The present invention provides an air termination junction box which solves the above-mentioned problems, and is characterized by an epoxy seat provided on the outer periphery of a premolded insulation formed on the cable insulator of the power cable termination. This is because a conical guide with an enlarged lower part was attached to the outer circumference of the upper cable insulator.
【０００５】[0005]
図１は本考案の気中終端接続箱の左半分縦断面をあらわした正面図である。図 面において、図２と同一符号は同一部位をあらわしている。 本考案の気中終端接続箱は、図２に示す従来の気中終端接続箱において、エポ キシ受座14の上方のケーブル絶縁体２の外周上に、下方が拡大した円錐状のガイ ド18を取付けたものである。 このようなガイド18を取付けることにより、碍管15内部に侵入した雨水等は、 上記ガイド18の円錐状の外表面に沿って碍管15下方に進み、エポキシ受座14とケ ーブル絶縁体２のなす凹所に溜まることを防止できる。碍管15下部に溜まった水 は保守点検時に碍管15に設けたコネクタ19より水抜きする。 FIG. 1 is a front view showing a left half longitudinal section of an air termination junction box of the present invention. In the drawing, the same reference numerals as those in FIG. 2 represent the same parts. The air terminating junction box of the present invention is the same as the conventional air terminating junction box shown in FIG. 2, and has a downwardly enlarged conical guide 18 on the outer circumference of the cable insulator 2 above the epoxy seat 14. Is attached. By installing such a guide 18, rainwater and the like that have entered the porcelain pipe 15 travels below the porcelain pipe 15 along the conical outer surface of the guide 18 to form the epoxy seat 14 and the cable insulator 2. It can be prevented from accumulating in the recess. The water accumulated under the porcelain tube 15 is drained from the connector 19 provided on the porcelain tube 15 at the time of maintenance and inspection.
【０００６】[0006]
以上説明したように、本考案の気中終端接続部によれば、円錐状ガイドにより 、碍管内に侵入した水がエポキシ受座とケーブル絶縁体のなす凹所に溜まること を防止することができ、水による絶縁劣化の問題が解消され、信頼性が向上する 。 As described above, according to the air-termination terminal of the present invention, the conical guide can prevent water that has entered the insulator tube from accumulating in the recess formed by the epoxy seat and the cable insulator. , The problem of insulation deterioration due to water is solved and reliability is improved.
【図１】本考案の気中終端接続箱の具体例の左半分縦断
面をあらわした正面図である。FIG. 1 is a front view showing a left half longitudinal section of a specific example of an air termination junction box of the present invention.
【図２】従来の気中終端接続箱の左半分縦断面をあらわ
した正面図である。FIG. 2 is a front view showing a left half longitudinal section of a conventional air termination junction box.
【符号の説明】 １ ケーブル導体 ２ ケーブル絶縁体 11 導体引出棒 12 コネクタ 13 プレモールド絶縁体 14 エポキシ受座 15 碍管 16 絶縁混和物 17 碍管下部金具 18 円錐状ガイド 19 コネクタ[Explanation of symbols] 1 Cable conductor 2 Cable insulator 11 Conductor lead-out rod 12 Connector 13 Pre-molded insulator 14 Epoxy socket 15 Insulator pipe 16 Insulation mixture 17 Insulator pipe lower bracket 18 Conical guide 19 Connector
Claims (1)
に形成したプレモールド絶縁体の外周上に設けたエポキ
シ受座の上方のケーブル絶縁体の外周上に、下方が拡大
した円錐状のガイドを取付けたことを特徴とする電力ケ
ーブル用気中終端接続箱。1. A conical guide with an enlarged downward direction is provided on the outer periphery of the cable insulator above the epoxy seat provided on the outer periphery of the premolded insulator formed on the cable insulator at the end of the power cable. An air termination junction box for power cables, which is characterized by being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1849893U JPH0674036U (en) | 1993-03-19 | 1993-03-19 | Air termination junction box for power cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1849893U JPH0674036U (en) | 1993-03-19 | 1993-03-19 | Air termination junction box for power cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0674036U true JPH0674036U (en) | 1994-10-18 |
Family
ID=11973292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1849893U Pending JPH0674036U (en) | 1993-03-19 | 1993-03-19 | Air termination junction box for power cables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0674036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020100914A1 (en) * | 2018-11-13 | 2020-05-22 | 古河電気工業株式会社 | Power cable terminal connection part and power cable terminal connection method |
-
1993
- 1993-03-19 JP JP1849893U patent/JPH0674036U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020100914A1 (en) * | 2018-11-13 | 2020-05-22 | 古河電気工業株式会社 | Power cable terminal connection part and power cable terminal connection method |
| CN112913097A (en) * | 2018-11-13 | 2021-06-04 | 古河电气工业株式会社 | Power cable terminal connection part and power cable terminal connection method |
| CN112913097B (en) * | 2018-11-13 | 2023-01-10 | 古河电气工业株式会社 | Power cable terminal connection part and power cable terminal connection method |
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