JP2001136613A - Main circuit disconnecting part of metal enclosed switchgear - Google Patents
Main circuit disconnecting part of metal enclosed switchgearInfo
- Publication number
- JP2001136613A JP2001136613A JP31794399A JP31794399A JP2001136613A JP 2001136613 A JP2001136613 A JP 2001136613A JP 31794399 A JP31794399 A JP 31794399A JP 31794399 A JP31794399 A JP 31794399A JP 2001136613 A JP2001136613 A JP 2001136613A
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- main circuit
- metal
- center conductor
- insulator
- 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
Landscapes
- Trip Switchboards (AREA)
- Contacts (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、金属閉鎖形スイッ
チギヤの主回路断路部に関する。The present invention relates to a main circuit disconnecting portion of a metal-closed switchgear.
【０００２】[0002]
【従来の技術】代表的な金属閉鎖形スイッチギヤについ
て、図４、図５を参照して説明する。図４は代表的な金
属閉鎖形スイッチギヤの側面図であって遮断器が接続状
態であるときの図、図５は代表的な金属閉鎖形スイッチ
ギヤの側面図であって遮断器が断路状態であるときの図
である。2. Description of the Related Art A typical metal-closed switchgear will be described with reference to FIGS. FIG. 4 is a side view of a typical metal-closed switchgear when the circuit breaker is in a connected state, and FIG. 5 is a side view of a typical metal-closed switchgear and the circuit breaker is in a disconnected state. FIG.
【０００３】これらの図において、１は箱体で、内部は
仕切板２により遮断器室１ａ、母線室１ｂ、ケ−ブル室
１ｃに構成される。３は遮断器で、遮断器室１ａに引出
し自在に収納される。４は主回路断路部で、遮断器室１
ａ側に突出するように仕切板２に取付けられ、遮断器３
の主回路端子５と接離可能に設けられている。[0003] In these figures, reference numeral 1 denotes a box body, which is internally formed by a partition plate 2 into a circuit breaker room 1a, a busbar room 1b, and a cable room 1c. Reference numeral 3 denotes a circuit breaker, which is housed in the circuit breaker room 1a so as to be freely drawn out. Reference numeral 4 denotes a main circuit disconnecting portion.
a is mounted on the partition plate 2 so as to protrude to the side a.
Are provided so as to be able to contact and separate from the main circuit terminal 5.
【０００４】また、６は接続導体で、主回路断路部４の
遮断器３と接離する側とは反対側の母線室１ｂに設けら
れると共に母線７と接続し、その外周は母線７と共に絶
縁カバ−８で覆われている。９は負荷ケ−ブルで、ケ−
ブル室１ｃに設けられ、図示しない負荷へ接続される。A connecting conductor 6 is provided in the bus chamber 1b of the main circuit disconnecting section 4 on the side opposite to the side contacting and separating from the circuit breaker 3 and is connected to the bus 7, and its outer periphery is insulated together with the bus 7. Covered with cover-8. 9 is a load cable.
The chamber 1c is connected to a load (not shown).
【０００５】一方、１０は金属隔離板で、遮断器３の引
出し状況に応じて連動するものであって、図４に示す遮
断器３が接続状態のときには遮断器３と主回路断路部４
が接続可能なように開放され、図５に示す遮断器３が断
路状態のときには遮断器３と主回路断路部４が接続され
ないように主回路断路部４の突出側前面を覆うように設
けられる。[0005] On the other hand, reference numeral 10 denotes a metal separator, which operates in accordance with the state of pulling out of the circuit breaker 3. When the circuit breaker 3 shown in FIG.
Is opened so as to be connectable, and is provided so as to cover the protruding side front surface of the main circuit disconnecting portion 4 so that the circuit breaker 3 and the main circuit disconnecting portion 4 are not connected when the circuit breaker 3 shown in FIG. .
【０００６】[0006]
【発明が解決しようとする課題】上述した金属閉鎖形ス
イッチギヤにおける主回路断路部４は、遮断器室１ａ側
に突出するようになっているので、金属隔離板１０は主
回路断路部４の突出側前面しか覆うことができず、例え
ばスイッチギヤの保守点検時に誤って主回路断路部に触
れてしまう可能性があった。The main circuit disconnecting portion 4 of the above-described metal-closed switchgear is designed to protrude toward the circuit breaker chamber 1a. Only the front surface on the protruding side can be covered, and for example, there is a possibility that the main circuit disconnection portion may be accidentally touched during maintenance and inspection of the switchgear.
【０００７】一方、例えば特公平４−５７０５２に記載
されているように、主回路断路部として有底筒状の絶縁
筒構造とし、更に絶縁筒の軸心に中心導体を埋込み絶縁
筒の筒内で遮断器の主回路端子と接続させるようにした
ものがある。On the other hand, as described in, for example, Japanese Patent Publication No. 4-57052, the main circuit disconnecting portion has a bottomed cylindrical insulating cylinder structure, and furthermore, a center conductor is embedded in the axis of the insulating cylinder and the inside of the cylinder of the insulating cylinder is formed. There is one that is connected to the main circuit terminal of the circuit breaker.
【０００８】しかしながら、このような主回路断路部で
は、中心導体が絶縁筒に埋込まれているので、将来おけ
るスイッチギヤの廃棄時の作業が大変であった。本発明
の目的は、スイッチギヤの廃棄時の作業性を容易とする
金属閉鎖形スイッチギヤの主回路断路部を提供すること
にある。However, in such a main circuit disconnecting portion, since the center conductor is embedded in the insulating cylinder, it is difficult to dispose of the switchgear in the future. SUMMARY OF THE INVENTION It is an object of the present invention to provide a main circuit disconnecting portion of a metal-closed switchgear which facilitates the workability of disposing the switchgear.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
に本発明は、箱体内を仕切る仕切板に設けられ、遮断器
室側を凹状とした絶縁物の凹状内で中心導体が遮断器室
に引出し自在に収納される遮断器の主回路端子と接離す
る金属閉鎖形スイッチギヤの主回路断路部において、中
心導体は絶縁物に取外し可能に組込まれたことを特徴と
する。このような構成において、絶縁物に対して中心導
体をボルト止め等により取外し可能に組込むようにした
ので、スイッチギヤの廃棄時の作業が容易になる。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a partition plate for partitioning a box body, wherein a center conductor is formed in a concave shape of an insulator having a concave shape on the circuit breaker chamber side. In a main circuit disconnecting portion of a metal-closed switchgear which comes into contact with and separates from a main circuit terminal of a circuit breaker which is housed so as to be able to be pulled out, a center conductor is detachably incorporated into an insulator. In such a configuration, since the center conductor is detachably incorporated into the insulator by bolting or the like, the operation of disposing the switchgear is facilitated.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態につい
て、図面を参照しながら詳細に説明する。なお、従来と
同等のものについては、同一番号を付して説明を省略す
る。図１は、本発明の金属閉鎖形スイッチギヤの主回路
断路部の第一の実施の形態を示す断面図である。同図に
おいて、１１はモ−ルド絶縁物で、中心導体挿入孔１１
ａと、ボルト挿入孔１１ｂを４ケ所に備え、外周にはひ
だ１１ｃが形成される。１２は中心導体で、モ−ルド絶
縁物１１のボルト挿入孔１１ｂに対応する位置にボルト
挿入孔１２ｂを備える。１３は押え板で、モ−ルド絶縁
物１１の中心導体挿入孔１１ａに対応する位置に中心導
体挿入孔１３ａと、モ−ルド絶縁物１１のボルト挿入孔
１１ｂ及び中心導体１２のボルト挿入孔１２ｂに対応す
る位置にメネジ１３ｂを備える。１４はボルトで、モ−
ルド絶縁物１１に中心導体１２を固定する。Embodiments of the present invention will be described below in detail with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals and description thereof is omitted. FIG. 1 is a sectional view showing a first embodiment of a main circuit disconnecting portion of a metal-closed switchgear of the present invention. In the figure, reference numeral 11 denotes a mold insulator, and a center conductor insertion hole 11 is provided.
a and bolt insertion holes 11b at four locations, and folds 11c are formed on the outer periphery. Reference numeral 12 denotes a center conductor having a bolt insertion hole 12b at a position corresponding to the bolt insertion hole 11b of the mold insulator 11. Reference numeral 13 denotes a holding plate, which is a center conductor insertion hole 13a at a position corresponding to the center conductor insertion hole 11a of the mold insulator 11, a bolt insertion hole 11b of the mold insulator 11, and a bolt insertion hole 12b of the center conductor 12. Is provided with a female screw 13b at a position corresponding to. 14 is a bolt,
The center conductor 12 is fixed to the field insulator 11.
【００１１】ここで、中心導体１２は、モ−ルド絶縁物
１１の中心導体挿入孔１１ａ及び押え板１３の中心導体
挿入孔１３ａに挿入され、ボルト１４を各々に４ケ所備
えられたモ−ルド絶縁物１１のボルト挿入孔１１ｂ及び
中心導体１２のボルト挿入孔１２ｂを介して押え板１３
のメネジ１３ｂに締込むことにより、モ−ルド絶縁物１
１に組込まれる。Here, the center conductor 12 is inserted into the center conductor insertion hole 11a of the mold insulator 11 and the center conductor insertion hole 13a of the holding plate 13, and the bolt 14 is provided at each of four locations. The holding plate 13 is inserted through the bolt insertion hole 11b of the insulator 11 and the bolt insertion hole 12b of the center conductor 12.
The mold insulator 1b.
Incorporated in 1.
【００１２】以上のように構成される本発明の第一の実
施の形態によれば、中心導体１２をボルト１４によりモ
−ルド絶縁物１１に組込む構造であるため、将来におけ
る金属閉鎖形スイッチギヤの廃棄時にモ−ルド絶縁物１
１と金属部である中心導体１２を容易に分解、解体する
ことができ、その作業性が大幅に改善されるばかりか、
注目されてきているリサイクル化を図ることにも有利で
ある。According to the first embodiment of the present invention configured as described above, since the center conductor 12 is incorporated into the mold insulator 11 by the bolts 14, a metal-closed switchgear in the future will be described. Insulation 1 at the time of disposal
1 and the central conductor 12, which is a metal part, can be easily disassembled and disassembled, and not only is the workability greatly improved,
It is also advantageous for recycling, which has been attracting attention.
【００１３】また、上述したような中心導体１２をモ−
ルド絶縁物１１に組込む構造を採用したことにより、取
合い部形状の異なる中心導体１２を利用することができ
るようになり、１つの金型で取合い部形状の異なる主回
路断路部を製造することが可能になり、製造上有利で低
コスト化を図ることができる。Further, the center conductor 12 as described above is
By adopting the structure to be incorporated in the solder insulator 11, the center conductor 12 having a different joint shape can be used, and the main circuit disconnecting portion having a different joint shape can be manufactured with one mold. This makes it possible to reduce the production cost because it is advantageous in manufacturing.
【００１４】次に、本発明の第２の実施の形態につい
て、図２、図３を参照しながら説明する。図２は本発明
に係る金属閉鎖形スイッチギヤにおける遮断器３が接続
状態であるときの側面図、図３は遮断器３が断路状態で
あるときの側面図である。これらの図において、主回路
断路部４は上述した図１のような構造であり、引出し形
の遮断器３が収納され接続状態となっており、遮断器３
は主回路断路部４を介して母線室１ｂの接続導体６と接
続する。ここで、主回路断路部４の遮断器３側には遮断
器３と連動して垂直方向に動作する金属隔離板１０が設
置されるが、遮断器３が接続状態であるため開放されて
いる。一方、図３に示す遮断器３が断路状態であると
き、金属隔離板１０は主回路断路部４を完全に覆うよう
に動作するようになっている。Next, a second embodiment of the present invention will be described with reference to FIGS. FIG. 2 is a side view when the circuit breaker 3 in the metal-closed switchgear according to the present invention is in a connected state, and FIG. 3 is a side view when the circuit breaker 3 is in a disconnected state. In these figures, the main circuit disconnecting portion 4 has the structure as shown in FIG. 1 described above, and the drawer-type circuit breaker 3 is housed in a connected state.
Is connected to the connection conductor 6 of the bus bar 1b via the main circuit disconnecting section 4. Here, a metal separator 10 that operates in the vertical direction in conjunction with the circuit breaker 3 is installed on the circuit breaker 3 side of the main circuit disconnecting section 4, but is open because the circuit breaker 3 is in a connected state. . On the other hand, when the circuit breaker 3 shown in FIG. 3 is in a disconnection state, the metal separator 10 operates so as to completely cover the main circuit disconnection portion 4.
【００１５】以上のように構成すれば、遮断器３が断路
状態であるとき、遮断器３に連動して動作する金属隔離
板１０が主回路断路部４の遮断器３側を完全に覆うの
で、スイッチギヤの保守点検時などに誤って主回路断路
部に触れてしまうことを防ぐことができ、安全性を向上
させることができる。With the above construction, when the circuit breaker 3 is in the disconnection state, the metal separator 10 operating in conjunction with the circuit breaker 3 completely covers the circuit breaker 3 side of the main circuit disconnecting section 4. In addition, it is possible to prevent the main circuit disconnecting portion from being accidentally touched during maintenance and inspection of the switchgear, and to improve safety.
【００１６】また、モ−ルド絶縁物１１の外周にひだ１
１ｃを形成させたことにより、このひだ１１ｃが絶縁隔
壁となり、上述した従来技術で示す図４、図５における
接続導体９、母線７を覆う絶縁カバ−１０を不要とする
ことができ、これに伴って低コスト化を図ることができ
る。A fold 1 is formed on the outer periphery of the mold insulator 11.
By forming 1c, the fold 11c becomes an insulating partition, and the insulating cover 10 covering the connecting conductor 9 and the bus bar 7 shown in FIGS. Accordingly, cost reduction can be achieved.
【００１７】[0017]
【発明の効果】以上のように、本発明によれば、箱体内
を仕切る仕切板に設けられ、遮断器室側を凹状とした絶
縁物の凹状内で中心導体が遮断器室に引出し自在に収納
される遮断器の主回路端子と接離する金属閉鎖形スイッ
チギヤの主回路断路部において、中心導体は絶縁物に取
外し可能に組込まれるので、スイッチギヤの廃棄時に絶
縁物と中心導体を容易に分解、解体することができ、作
業性を改善することができる。As described above, according to the present invention, the center conductor is provided on the partition plate for partitioning the inside of the box, and the center conductor is freely drawn into the circuit breaker chamber within the concave shape of the insulator having the circuit breaker chamber side concave. In the main circuit disconnecting part of the metal-closed switchgear that comes in contact with and separates from the main circuit terminal of the circuit breaker to be housed, the center conductor is detachably incorporated into the insulator so that the insulator and the center conductor can be easily removed when the switchgear is discarded. Can be disassembled and dismantled, and workability can be improved.
【図１】 本発明の金属閉鎖形スイッチギヤの主回路断
路部の第一の実施の形態を示す断面図。FIG. 1 is a sectional view showing a first embodiment of a main circuit disconnecting portion of a metal-closed switchgear of the present invention.
【図２】 本発明に係る金属閉鎖形スイッチギヤにおけ
る遮断器が接続状態であるときの側面図。FIG. 2 is a side view when the circuit breaker in the metal-closed switchgear according to the present invention is in a connected state.
【図３】 本発明に係る金属閉鎖形スイッチギヤにおけ
る遮断器が断路状態であるときの側面図。FIG. 3 is a side view when the circuit breaker in the metal-closed switchgear according to the present invention is in a disconnected state.
【図４】 従来の金属閉鎖形スイッチギヤにおける遮断
器が接続状態であるときの側面図。FIG. 4 is a side view of a conventional metal-closed switchgear when a breaker is in a connected state.
【図５】 従来の金属閉鎖形スイッチギヤにおける遮断
器が断路状態であるときの側面図。FIG. 5 is a side view of a conventional metal-closed switchgear when a circuit breaker is in a disconnected state.
３…遮断器、４…主回路断路部、１０…金属隔離板、１
１…モ−ルド絶縁物 １１ｃ…ひだ、１２…中心導体、１３…押え板3 breaker, 4 main circuit disconnection part, 10 metal separator, 1
DESCRIPTION OF SYMBOLS 1 ... Mold insulator 11c ... Fold, 12 ... Center conductor, 13 ... Holding plate
───────────────────────────────────────────────────── フロントページの続き (72)発明者 日野 隆志 東京都港区芝浦一丁目１番１号 株式会社 東芝本社事務所内 (72)発明者 福本 剛司 東京都港区芝浦一丁目１番１号 株式会社 東芝本社事務所内 Ｆターム(参考） 5G012 AA00 DD04 5G051 KA02 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takashi Hino 1-1-1, Shibaura, Minato-ku, Tokyo Inside Toshiba Corporation Head Office (72) Inventor Takeshi Fukumoto 1-1-1, Shibaura, Minato-ku, Tokyo Stock F-term in Toshiba head office (reference) 5G012 AA00 DD04 5G051 KA02
Claims (4)
器室側を凹状とした絶縁物の凹状内で中心導体が遮断器
室に引出し自在に収納される遮断器の主回路端子と接離
する金属閉鎖形スイッチギヤの主回路断路部において、
前記中心導体は前記絶縁物に取外し可能に組込まれたこ
とを特徴とする金属閉鎖形スイッチギヤの主回路断路
部。1. A main circuit terminal of a circuit breaker, which is provided on a partition plate for partitioning the inside of a box, and whose center conductor is housed in the circuit breaker chamber so as to be freely drawn out of the insulator having a concave shape on the circuit breaker chamber side. In the main circuit disconnecting part of the metal-closed switchgear to be released,
The main circuit disconnect portion of a metal-closed switchgear, wherein the center conductor is detachably incorporated in the insulator.
器室側を凹状とした絶縁物の凹状内で中心導体が遮断器
室に引出し自在に収納される遮断器の主回路端子と接離
する金属閉鎖形スイッチギヤの主回路断路部において、
前記中心導体は取合い部の形状が異なり、前記絶縁物に
取外し可能に組込まれたことを特徴とする金属閉鎖形ス
イッチギヤの主回路断路部。2. A main circuit terminal of a circuit breaker which is provided on a partition plate for partitioning the inside of the box and whose center conductor is housed in the circuit breaker chamber so as to be freely drawn out in a concave shape of an insulator having a concave shape on the circuit breaker chamber side. In the main circuit disconnecting part of the metal-closed switchgear to be released,
The main circuit disconnecting portion of a metal-closed switchgear, wherein the center conductor has a different shape of a fitting portion and is detachably incorporated in the insulator.
する請求項１又は請求項２記載の金属閉鎖形スイッチギ
ヤの主回路断路部。3. The main circuit disconnecting portion of a metal-closed switch gear according to claim 1, wherein said insulator is provided with a fold.
しに連動し、前記遮断器の断路位置で前記絶縁物の遮断
器室側の凹状部を塞ぐ金属隔離板を設けたことを特徴と
する金属閉鎖形スイッチギヤの主回路断路部。4. A metal separating plate is provided for closing a concave portion of the insulator on the circuit breaker chamber side at a disconnection position of the circuit breaker in conjunction with pulling out of the circuit breaker housed in the circuit breaker chamber. The main circuit disconnecting part of the metal-closed switchgear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31794399A JP2001136613A (en) | 1999-11-09 | 1999-11-09 | Main circuit disconnecting part of metal enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31794399A JP2001136613A (en) | 1999-11-09 | 1999-11-09 | Main circuit disconnecting part of metal enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001136613A true JP2001136613A (en) | 2001-05-18 |
Family
ID=18093761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31794399A Pending JP2001136613A (en) | 1999-11-09 | 1999-11-09 | Main circuit disconnecting part of metal enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001136613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032941A1 (en) * | 2012-08-28 | 2014-03-06 | Siemens Aktiengesellschaft | Leadthrough for a switchgear unit |
-
1999
- 1999-11-09 JP JP31794399A patent/JP2001136613A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032941A1 (en) * | 2012-08-28 | 2014-03-06 | Siemens Aktiengesellschaft | Leadthrough for a switchgear unit |
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