JPS6068521A - Insulating case for vacuum breaker - Google Patents
Insulating case for vacuum breakerInfo
- Publication number
- JPS6068521A JPS6068521A JP17539583A JP17539583A JPS6068521A JP S6068521 A JPS6068521 A JP S6068521A JP 17539583 A JP17539583 A JP 17539583A JP 17539583 A JP17539583 A JP 17539583A JP S6068521 A JPS6068521 A JP S6068521A
- Authority
- JP
- Japan
- Prior art keywords
- insulating case
- switch tube
- vacuum
- vacuum breaker
- vacuum switch
- 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
- High-Tension Arc-Extinguishing Switches Without Spraying Means (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】
〔発明の技術分野〕
この発明は、高圧および特別高圧用の真空しゃ断器に用
いる絶縁ケースに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an insulating case used in a vacuum breaker for high voltage and extra high voltage.
従来、真空しゃ断器として、真空スイッチ管を支持碍子
を介して操作機構に支持し、相関を絶縁バリヤで仕切っ
たものがある。この真空しゃ断器を改良して組立工数を
少なくすると共に、小形化するために、上記真空スイッ
チ管およびしゃ所用部品のほとんど全部を絶縁ケースに
収納したものを、この発明の出願人は提案している。Conventionally, as a vacuum breaker, there is one in which a vacuum switch tube is supported by an operating mechanism via a support insulator, and the relationship is separated by an insulating barrier. In order to improve this vacuum breaker and reduce the number of assembly steps and make it more compact, the applicant of the present invention has proposed a vacuum breaker in which almost all of the vacuum switch tube and breaker parts are housed in an insulating case. There is.
この真空しゃ断器を第１図から第３図について説明する
。これらの図中、１は真空スイッチ管、２は真空操作管
１内部の回路を開閉するための絶縁操作ロッド、３ａ、
３ｂはジャンクション、４は操作機構、５ａ、５ｂはジ
ャンクション３ａ、３ｂに連結されまた真空スイッチ管
１の固定側可動側の端子１ａ、ｌｂにそれぞれ接続され
る口出し導体、６は真空スイッチ管１を収納した絶縁ケ
ースであり、このケース６には埋金６ａ、６ｂ、６ｃが
埋設されている。７ａ、７ｂは埋金６ａ、６ｂに締付け
られたボルトにより絶縁ケース６に固定された取付金で
あり、取付金７ａには真空スイッチ管１の固定側の端子
１ａと口出し導体５ａが接続、固定され、取付金７ｂに
は可動側の端子１ｂと口出し導体５ｂが接続、支持され
ている。This vacuum breaker will be explained with reference to FIGS. 1 to 3. In these figures, 1 is a vacuum switch tube, 2 is an insulated operation rod for opening and closing the circuit inside the vacuum operation tube 1, 3a,
3b is a junction, 4 is an operating mechanism, 5a and 5b are lead conductors connected to the junctions 3a and 3b and also connected to terminals 1a and lb on the fixed and movable side of the vacuum switch tube 1, respectively; This case 6 is an insulating case in which the case 6 is housed, and fillers 6a, 6b, and 6c are embedded therein. 7a and 7b are fittings fixed to the insulating case 6 by bolts tightened to the fillers 6a and 6b, and the terminal 1a on the fixed side of the vacuum switch tube 1 and the lead conductor 5a are connected and fixed to the fittings 7a. The movable side terminal 1b and the lead conductor 5b are connected and supported by the mounting bracket 7b.
さらに、埋金６ａに締付けられたボルトで絶縁ケース６
は支持機構４に固定されていると共に、絶縁ケース６に
設けた貫通穴６ｄ、６ｅに口出し導体５ａ、５ｂが遊挿
されている。Furthermore, the insulating case 6 is tightened with the bolt tightened to the filler metal 6a.
are fixed to the support mechanism 4, and lead conductors 5a, 5b are loosely inserted into through holes 6d, 6e provided in the insulating case 6.
次に、以上のように構成された真空しゃ断器の動作につ
いて説明する。図示しない電源側回路から口出し導体５
ａに印加された電圧は真空スイッチ管１の内部を通り、
口出し導体５ｂから図示しない負荷回路に導かれる。こ
の場合に、電源側回路、負荷側回路と真空しゃ断器との
接続はそれぞれの回路の固宇端子と真空しや断器のジャ
ンクシヨア３ａ、３ｂが接続されていることで行われる
。Next, the operation of the vacuum breaker configured as above will be explained. Leading conductor 5 from the power supply side circuit (not shown)
The voltage applied to a passes through the inside of the vacuum switch tube 1,
The lead conductor 5b leads to a load circuit (not shown). In this case, the power supply side circuit, the load side circuit, and the vacuum breaker are connected by connecting the terminals of the respective circuits to the junctions 3a, 3b of the vacuum breaker.
また、回路をしゃ断するには、絶縁操作ロッド２を動作
させて、真空スイッチ管１の可動側の端子１ｂを引下げ
、真空スイッチ管１内部の回路を開いて電流をしゃ断す
る、さらに真空しゃ断器の全体を後退させることにより
、ジャックジョン３ａ、３ｂと電源側、負荷側回路との
切放しをを行う。To break the circuit, operate the insulating operation rod 2 to pull down the movable terminal 1b of the vacuum switch tube 1, open the circuit inside the vacuum switch tube 1, and cut off the current. By retracting the entire jacks 3a and 3b, the power supply side and load side circuits are disconnected.
しかし、このような小形に構成された真空しゃ断器では
、気中にある取例金のエッジの電界強度が厳しく、上記
エツジに部分放電が発生するという問題があった。However, in such a small vacuum breaker, there is a problem in that the electric field strength at the edge of the sample metal in the air is severe, and partial discharge occurs at the edge.
この発明は、上述した真空スイッチ管を収納した絶縁ケ
ースを有する真空しゃ断器において、上記問題を解決し
ようとするものであり、埋金と共にこれらの周囲に配置
した電界緩和利用電極を埋込んで一体成形することによ
り、取付全周辺の電界強度を緩和し、部分放電の発生を
防止することができる真空しゃ断器用絶縁ケースを提供
することを目的としている。This invention attempts to solve the above-mentioned problem in a vacuum breaker having an insulating case housing the vacuum switch tube described above. The object of the present invention is to provide an insulating case for a vacuum breaker that can be molded to reduce the electric field strength around the entire mounting area and prevent the occurrence of partial discharge.
以下、この発明の一実施例を第４図、第５図に基いて説
明する。An embodiment of the present invention will be described below with reference to FIGS. 4 and 5.
第４図、第５図において、１は真空スイッチ管、１ａは
真空スイッチ管１の固定側の端子、５ａは口出し導体、
６は絶縁ケース、６ａ，６ｃおよび６ｄは絶縁ケース６
の埋金および貫通穴、７ａは取付金、８は取付金７ａの
周囲にそれぞれ一体化して配置された電界緩和用電極で
あり、これらの電極８は埋金１ａなどと共に絶縁ケース
６に埋込まれて、このケース６が一体にモールド成形さ
れる。。4 and 5, 1 is a vacuum switch tube, 1a is a terminal on the fixed side of the vacuum switch tube 1, 5a is an outlet conductor,
6 is an insulating case, 6a, 6c and 6d are insulating cases 6
7a is a mounting metal, and 8 is an electrode for mitigating electric field which is arranged integrally around the mounting metal 7a.These electrodes 8 are embedded in the insulating case 6 together with the filling metal 1a etc. Then, the case 6 is integrally molded. .
なお、この実施例の上述した以外の構成および動作は第
１図から第３図に示すものと同様である。Note that the configuration and operation of this embodiment other than those described above are the same as those shown in FIGS. 1 to 3.
そして、この実施例のものは、取付金７ａのエツジから
部分放電を発生させようとする電界が電界緩和用電極８
で大きく絶縁ケース６の外側に曲げられることにより、
部分放電の発生を防止することができる。In this embodiment, the electric field that attempts to generate a partial discharge from the edge of the mounting bracket 7a is applied to the electric field relaxation electrode 8.
By being bent greatly outward of the insulating case 6,
Occurrence of partial discharge can be prevented.
なお、この発明において、芯空スイッチの可動側の端子
を支持する取付金の埋金の周囲にも、これらと電界緩和
用電極を一体化して絶縁ケースに埋込むものである。In the present invention, an electric field relaxing electrode is also integrated around the embedding metal of the mounting metal that supports the movable side terminal of the open-core switch, and is embedded in the insulating case.
以上説明したように、この発明は真空スイッチ管を収納
した絶縁ケースを有する真空しゃ断器において、真空ス
イッチ管およびこのスイッチ管の端子に接続された口出
し導体を取付金を介して取付けるための埋金と、これら
の周囲に配置した電界緩和用電極とを埋込んで絶縁ケー
スを一体成形したので、絶縁ケースに真空スイッチ管を
収納した。真空しゃ断器の小形化ができるなどの利点を
失うことなく、取付金のエッジからの部分放電の発生を
防止することができ、電気特性のよい絶縁ケースを提供
できるという効果がある。As explained above, the present invention provides a vacuum breaker having an insulating case housing a vacuum switch tube, which is a vacuum breaker for attaching a vacuum switch tube and an outlet conductor connected to a terminal of the switch tube via a mounting metal. The vacuum switch tube was housed in the insulating case because the insulating case was integrally molded by embedding the insulating case and the electric field relaxing electrode placed around them. It is possible to prevent the occurrence of partial discharge from the edge of the fitting without losing the advantages such as being able to downsize the vacuum breaker, and it is possible to provide an insulating case with good electrical characteristics.
第１図は真空スイッチ管を絶縁ケースに収納した真空し
ゃ断器を示す一部を断面した側面図、第２図は同絶縁ケ
ースの拡大平面図、第３図は第２図の部分測断面図、第
４図はこの発明の一実施例による絶縁ケースの拡大平面
図、第５図は第４図の部分側断面図である。
１…真空スイッチ管、１ａ、１ｂ…端子、４…操作機溝
、５ａ、５ｂ…口出し導体、６…絶縁ケース、６ａ、６
ｂ、６ｃ…埋金、７ａ、７ｂ…取付金７、８…電界緩和
用電極。
なお、図中同一符号は同一または相当部分を示ず。
代理人大岩僧雄（外２名）Figure 1 is a partially sectional side view showing a vacuum breaker with a vacuum switch tube housed in an insulating case, Figure 2 is an enlarged plan view of the insulating case, and Figure 3 is a partial cross-sectional view of Figure 2. , FIG. 4 is an enlarged plan view of an insulating case according to an embodiment of the present invention, and FIG. 5 is a partial side sectional view of FIG. 4. 1... Vacuum switch tube, 1a, 1b... Terminal, 4... Operator groove, 5a, 5b... Outlet conductor, 6... Insulating case, 6a, 6
b, 6c... Filling metal, 7a, 7b... Mounting metal 7, 8... Electrode for electric field relaxation. Note that the same reference numerals in the figures do not indicate the same or equivalent parts. Agent Soo Oiwa (2 others)
Claims (1)
断器において、上記真空スイッチ管およびこのスイッチ
管の固定側と可動側の端子に接続された口出し導体を取
付金を介して取付けるための埋金と、これらの周囲に配
置した電界緩和用電極とを埋込んで一体成形したことを
特徴とする真空しゃ断器用絶縁ケース。In a vacuum breaker having an insulating case housing a vacuum switch tube, a filler metal for attaching the vacuum switch tube and the lead conductor connected to the fixed side and movable side terminals of the switch tube via a metal fitting; An insulating case for a vacuum breaker characterized by being integrally molded with embedded electric field mitigation electrodes placed around these.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17539583A JPS6068521A (en) | 1983-09-22 | 1983-09-22 | Insulating case for vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17539583A JPS6068521A (en) | 1983-09-22 | 1983-09-22 | Insulating case for vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6068521A true JPS6068521A (en) | 1985-04-19 |
Family
ID=15995339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17539583A Pending JPS6068521A (en) | 1983-09-22 | 1983-09-22 | Insulating case for vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6068521A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62102235U (en) * | 1985-12-18 | 1987-06-29 |
-
1983
- 1983-09-22 JP JP17539583A patent/JPS6068521A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62102235U (en) * | 1985-12-18 | 1987-06-29 | ||
| JPH0448610Y2 (en) * | 1985-12-18 | 1992-11-16 |
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