JPS63160122A - Vacuum interruptor - Google Patents
Vacuum interruptorInfo
- Publication number
- JPS63160122A JPS63160122A JP30626986A JP30626986A JPS63160122A JP S63160122 A JPS63160122 A JP S63160122A JP 30626986 A JP30626986 A JP 30626986A JP 30626986 A JP30626986 A JP 30626986A JP S63160122 A JPS63160122 A JP S63160122A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electrode body
- arc
- shield member
- shaped
- 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000010949 copper Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 3
- 229910017813 Cu—Cr Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- -1 austenitic) Inorganic materials 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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】
−Ａ 産業上の利用分野
本発明は、カップ形状の電極、いわゆるコントレート電
極を備えた真空インタラプタに係り、特に、コントレー
ト電極の耐電圧特性（絶縁回復特性）の向上を図った真
空インタラプタに関する。Detailed Description of the Invention -A Field of Industrial Application The present invention relates to a vacuum interrupter equipped with a cup-shaped electrode, a so-called contrast electrode, and in particular, to a vacuum interrupter equipped with a cup-shaped electrode, a so-called contrast electrode. This article relates to an improved vacuum interrupter.
Ｂ、 発明の概要
本発明の真空インタラプタは、コントレート電極を囲っ
て、この電極より耐電圧特性、耐アーク性が良く且つ低
導電率の材料からなるカップ形状のシールド部材を設け
たものである。B. Summary of the Invention The vacuum interrupter of the present invention is provided with a cup-shaped shield member surrounding a contrate electrode and made of a material with better voltage resistance, arc resistance, and lower conductivity than the electrode. .
Ｃ１従来の技術
真空インタラプタはしゃ断性能、耐電圧特性ともに優れ
ているが、近年特に高耐電圧化の要求が強い。C1 Prior Art Vacuum interrupters are excellent in both interrupting performance and withstand voltage characteristics, but in recent years there has been a particularly strong demand for higher withstand voltages.
真空インタラプタの耐電圧特性は種々の要因に左右され
るが、アークを磁気回転駆動する方式の電極においては
、電極形状からいえば、コントレート電極を用いる方が
従来一般に用いられているスパイラル電極よりも耐電圧
特性が良いと言える。The withstand voltage characteristics of a vacuum interrupter depend on various factors, but in terms of electrode shape, it is better to use a contrast electrode than the generally used spiral electrode for electrodes that drive the arc magnetically. It can also be said that the withstand voltage characteristics are good.
すなわち、一般にスパイラル電極は、中央部に接点部を
備え、その周辺部にスパイラル溝を有するアーク部を備
え、アークを接点部からアーク部へ移動させると共に電
流のゼロ点を向えて消弧するものである。In other words, a spiral electrode generally has a contact part in the center and an arc part with a spiral groove around the center, and moves the arc from the contact part to the arc part and extinguishes the arc by pointing it to the zero point of the current. It is.
このためスパイラル電極にあっては、相手電極と対向す
る面上にスパイラル溝が存在するので、該溝のエツジ部
等に基因して耐電圧特性が悪化する傾向にある。For this reason, in a spiral electrode, since a spiral groove is present on the surface facing the mating electrode, the withstand voltage characteristics tend to deteriorate due to the edges of the groove.
一方、第４図に示すように、コントレート電極１では接
点部５の面（電極面）２は平滑面であり （磁気回転の
駆動力を発生する傾斜溝３ａは接点部５の背後に位置し
ている。）、アークの発弧と走行とが同じ面上で行われ
るものである。On the other hand, as shown in FIG. 4, in the contrast electrode 1, the surface (electrode surface) 2 of the contact portion 5 is a smooth surface (the inclined groove 3a that generates the magnetic rotation driving force is located behind the contact portion 5). ), the arc fires and travels on the same surface.
このため、一対の電極は平滑面２にて対向することにな
るので、スパイラル電極に比較して耐電圧特性は良好で
ある。Therefore, since the pair of electrodes face each other on the smooth surface 2, the withstand voltage characteristics are better than that of a spiral electrode.
第４図において、コントレート電極１は傾斜溝３ａを備
えたカップ形状の電極本体３と、そのリング状先端面４
に接合したリング状接点部５とで作られている。電極本
体３の基端は固定リード棒または可動リード棒６に一体
的に結合している。接１乞部５ばＣｕ−Ｃｒ系の材料が
使用されるが、電極本体３は一般に無酸素銅製であり、
そ９外面７は側部８、背部９ともに剥き出しである。In FIG. 4, the contrast electrode 1 includes a cup-shaped electrode body 3 with an inclined groove 3a and a ring-shaped tip surface 4.
The ring-shaped contact portion 5 is joined to the ring-shaped contact portion 5. The proximal end of the electrode body 3 is integrally connected to a fixed lead rod or a movable lead rod 6. Although a Cu-Cr based material is used for the contact portion 5, the electrode body 3 is generally made of oxygen-free copper.
Both the side parts 8 and the back part 9 of the outer surface 7 of the rear part 9 are exposed.
一方、最近ではコンデンサ回路など再起電圧が高い特殊
な回路を開閉する需要が急増しているため、一層の高ｍ
ｌ電圧化が必要になっている。On the other hand, recently there has been a rapid increase in demand for opening and closing special circuits with high re-EMF voltages, such as capacitor circuits, resulting in even higher m
1 voltage is required.
コントレート電極を備えた従来の真空インタラプタは、
コンデンサ開閉等価試験において、Ｃ−０開閉回数が成
る回数以上になると耐電圧特性が急に低下することが判
った。Conventional vacuum interrupters with contrast electrodes are
In the capacitor switching equivalent test, it was found that when the number of switchings of C-0 exceeds the number of switchings, the withstand voltage characteristics suddenly decrease.
即ち、第３図はコンデンサ開閉等価試験の結果を示すも
のであり、開閉回数（横軸）と再点弧回数（累積）（縦
軸）との関係を示す３第３図における特性ｉＡ、Ｂは各
々従来のコントレート電極１を備えた真空インクラブタ
の試験結果である。That is, Fig. 3 shows the results of the capacitor switching equivalent test, and the characteristics iA, B in Fig. are the test results of a vacuum incluctor equipped with a conventional contrast electrode 1, respectively.
この試験では、２本の真空インクラブタともに開閉回数
が２００回までは再点弧回数は累積で５〜６回であり、
再点弧確率としては５〜６回／２００回Ｘ１００−２〜
３％と低い。In this test, the cumulative number of re-ignitions for both vacuum incretors was 5 to 6 times until they were opened and closed 200 times.
Re-ignition probability is 5-6 times/200 times x 100-2~
It is as low as 3%.
しかし、開閉回数が３００〜５００回となると、累積２
０〜４０回の再点弧となり、確率としては
２０／３００〜４０／ ５ｏｏｘ １００ ＝ ６〜８
％表 １
Ｄ 発明が解決しようとする問題点
試験に供した真空インタラプタを分解して調査したとこ
ろ、２本ともアーク痕が電極本体３の外側面８にまで移
動していることが判った。However, when the number of openings and closings becomes 300 to 500, the cumulative
There will be 0 to 40 restrikes, and the probability is 20/300 to 40/5oox 100 = 6 to 8
% Table 1D Problems to be Solved by the Invention When the vacuum interrupters used in the test were disassembled and investigated, it was found that the arc traces of both had moved to the outer surface 8 of the electrode body 3.
つまり、Ｃ−Ｏコンデンサ開閉を多数回行うと、何かの
原因でアークの一部が接点部５から電極本体３の外側面
８へ移動することが判った。In other words, it has been found that when the C--O capacitor is opened and closed many times, a portion of the arc moves from the contact portion 5 to the outer surface 8 of the electrode body 3 for some reason.
しかし、電極本体３は接点部５と異なり、耐アーク性の
乏しい銅製であるため、電極本体３にアークが移動する
と、これによって急激にコントレート電極王の耐電圧特
性が低下して再点弧すると考えられる。However, unlike the contact part 5, the electrode body 3 is made of copper with poor arc resistance, so if the arc moves to the electrode body 3, the withstand voltage characteristics of the contrast electrode king will suddenly decrease and it will be re-ignited. It is thought that then.
乙の対策として、電極本体３を接点部５と同様なＣｕ
−Ｃｒ系合金等の耐電圧特性の優れた材料で形成するこ
とが考えられる。As a countermeasure for B, the electrode body 3 is made of Cu similar to the contact part 5.
It is conceivable to form it from a material with excellent withstand voltage characteristics, such as a -Cr alloy.
しかし、Ｃｕ−Ｃｒ系合金は導電率が銅に比較して低い
ことから、通電時において発熱の原因となり、好ましく
ない。However, since the Cu-Cr alloy has a lower electrical conductivity than copper, it causes heat generation when electricity is applied, which is not preferable.
しかして、電極本体３の外側面８にはアークを磁気回転
駆動するための傾斜溝３ａが開口していてエツジ部が存
在する。乙のようにエツジ部があるとそこ希止まりやす
く、一度アークの足が止まると局部的に加熱溶融してし
まうことから、電極本体３の材料とは別に、形状的要因
Ｃζよっても耐電圧特性が低下するものであった。Thus, the outer surface 8 of the electrode body 3 has an edge portion with an inclined groove 3a opening therein for magnetic rotational driving of the arc. If there is an edge part like B, it is easy to get stuck there, and once the arc stops, it will heat and melt locally, so apart from the material of the electrode body 3, the shape factor Cζ also affects the withstand voltage characteristics. was expected to decrease.
そこで、本発明はコントレート電極のカップ状電極本体
の材質及び形状に起因する耐電圧低下を防止した真空イ
ンタラプタを提供する。Therefore, the present invention provides a vacuum interrupter that prevents a drop in withstand voltage caused by the material and shape of the cup-shaped electrode body of the contrast electrode.
Ｅ、 問題点を解決するための手段
本発明による真空インクラブタは、カップ形状の電極本
体の先端ζζリング状の接点部を備えて形成したコント
レート電極を備える真空インタラプタにおいて、コント
レート電極が具備する電極本体側の接点部の一部とＳ極
本体とを空隙を介して囲むカップ形状のシールド部材を
リード棒に設け、前記シールド部材をコントレート電極
の材料よりも耐電圧特性及び耐アーク性が良く且つ低導
電率の材料で形成したことを特徴とするものである。E. Means for Solving the Problems The vacuum interrupter according to the present invention is a vacuum interrupter that includes a contrast electrode formed by having a ring-shaped contact portion at the tip of a cup-shaped electrode body. A cup-shaped shield member that surrounds a part of the contact portion on the electrode body side and the S pole body via a gap is provided on the lead rod, and the shield member has higher voltage resistance and arc resistance than the material of the contrast electrode. It is characterized by being made of a material with good and low conductivity.
シールド部材の材料としては、ステンレスｍ（例えばオ
ーステナイト系）、インコネル合金、Ｃｕ −Ｓ Ｕ
３複合金属等がある。Materials for the shield member include stainless steel (e.g. austenitic), Inconel alloy, Cu-SU
There are three composite metals.
２０作 用
本発明の真空インタラプタにおけるコントレート電極は
、シールド部材が空隙を介して接点部の一部を囲むと共
に電極本体の外側面全体を囲むので、アークが接点部か
ら電極本体の外側面に移動することはない。20 Effects In the contrast electrode in the vacuum interrupter of the present invention, the shield member surrounds a part of the contact portion through the gap and also surrounds the entire outer surface of the electrode body, so that the arc does not flow from the contact portion to the outer surface of the electrode body. It never moves.
これにより、電極本体の材料が銅など耐アーク性に乏し
いものであっても耐電圧特性が低下しない。As a result, even if the material of the electrode body is poor in arc resistance, such as copper, the withstand voltage characteristics will not deteriorate.
また、シールド部材にアークが触れても、シールド部材
は耐電圧特性及び耐アーク性に富む材料で作られている
から、銅の電極本体にアークが移動する場合に比べ、耐
電圧特性の低下が極めて小さい。In addition, even if the arc touches the shield member, the withstand voltage characteristics will not deteriorate as compared to when the arc moves to the copper electrode body, since the shield member is made of a material with high voltage and arc resistance. Extremely small.
更？ζ、シールド部材は導電率が小さいから、しゃ断時
にアークが触れても、シール下部材を通るリーク電流は
少なり、シゃ断性能を低下させる乙とがない。Further? ζ Since the shield member has low conductivity, even if the arc comes into contact with it during shutoff, the leakage current passing through the lower seal member will be small, and there will be no deterioration in the shutoff performance.
Ｇ、実施例
第１図、第２図に示す実施例により本発明の真空インタ
ラプタを説明する。G. Embodiment The vacuum interrupter of the present invention will be explained with reference to the embodiment shown in FIGS. 1 and 2.
まず、第２図に基づいて、真空インタラプタの全体の構
造を説明する。First, the overall structure of the vacuum interrupter will be explained based on FIG.
第２図において、相互に一直線状をなす一対のリード棒
６ａ、６ｂの対向内端面に、それぞれコントレート電［
１０，１０を一体的に設けである。また、各リード棒６
ａ、６ｂには、コントレート電極１０をす、シールド部
材１１，１１を固定しである。In FIG. 2, contrast electric currents [
10, 10 are integrally provided. In addition, each lead rod 6
A contrast electrode 10 and shield members 11 and 11 are fixed to a and 6b.
一方のり−ド棒６ａは固定リード棒であり絶縁筒１２の
一端に接合した金属端板１３に貫通して一体的に固定し
である。One of the lead rods 6a is a fixed lead rod, which penetrates the metal end plate 13 joined to one end of the insulating cylinder 12 and is fixed integrally therewith.
他方のり一ド棒６ｂは可動リード棒であり絶縁筒１２の
他端に接合した金属端板１４に金属ベローズ１５を介し
て連結しである。The other lead rod 6b is a movable lead rod and is connected via a metal bellows 15 to a metal end plate 14 joined to the other end of the insulating cylinder 12.
可動リード棒６ｂは図示省略の駆動装置によって軸方向
に往復動し、その結果、２つのシールド付コントレート
電極１０，１０が開閉する。The movable lead rod 6b is reciprocated in the axial direction by a drive device (not shown), and as a result, the two shielded contrast electrodes 10, 10 are opened and closed.
絶縁筒１２内の真空室１６には、一方の金属端板１３に
取付けた主シールド筒１７があり、電極間のアークによ
って発生する電極の金属蒸気が絶縁筒１２の内壁に付着
して絶縁不良を起すのを防止している。The vacuum chamber 16 inside the insulating tube 12 has a main shield tube 17 attached to one metal end plate 13, and metal vapor from the electrodes generated by the arc between the electrodes adheres to the inner wall of the insulating tube 12, resulting in poor insulation. It prevents this from happening.
次に第１図に基づいて、カップ形状のシールド部材１１
を備えたコントレート電極１０の構造例を説明する。Next, based on FIG. 1, the cup-shaped shield member 11
An example of the structure of the contrast electrode 10 will be described.
第１図において、コントレート電極１０はカップ形状の
電極本体３と、リング状の接点部５と、シールド部材１
１とからなる。電極本体３の外側面８にはアークを磁気
回転駆動するための傾斜溝３ａを形成しである。In FIG. 1, a contrast electrode 10 includes a cup-shaped electrode body 3, a ring-shaped contact portion 5, and a shield member 1.
Consists of 1. The outer surface 8 of the electrode body 3 is provided with an inclined groove 3a for driving the arc in magnetic rotation.
電極本体３は銅製、接点部５はＣｕ −Ｍ ｏ−Ｃｒ（
例えばＣｕ−３５Ｍｏ −５０ｒ ）の粉末複合金属製
であり、電極本体３のリング状先端面４に接点部５を接
合しである。The electrode body 3 is made of copper, and the contact part 5 is made of Cu-Mo-Cr (
For example, it is made of a powder composite metal such as Cu-35Mo-50r), and the contact portion 5 is bonded to the ring-shaped tip surface 4 of the electrode body 3.
シールド部材１１はオーステナイト系ステンレス鋼（Ｓ
ＵＳ３０４．）を用い、しぼり又はプレス加工等でカッ
プ形状に形成しである。その肉厚は機械強度を損わない
範囲で且つ抵抗が高くなるように薄（、例えば１〜２
ｉｎ程度である。The shield member 11 is made of austenitic stainless steel (S
US304. ) and formed into a cup shape by squeezing or pressing. The wall thickness should be as thin as possible (for example, 1 to 2
It is about in.
シールド部材１１はその底部をリード棒６に貫通して固
定し、電極本体３を隙間を介して囲んでいる。The shield member 11 has its bottom penetrated and fixed to the lead rod 6, and surrounds the electrode body 3 with a gap therebetween.
シールド部材１１の先端は接点部５の先端５ａと基端５
ｂとの間に位置させ、また電界集中を避けるために丸め
である。なお、接点部５はその厚さｔが２〜５ ｍｍで
ある。The tip of the shield member 11 is connected to the tip 5a of the contact portion 5 and the base end 5.
b, and is rounded to avoid electric field concentration. Note that the contact portion 5 has a thickness t of 2 to 5 mm.
シールド部材１１と接点部５間の隙間ｇは、２〜１０ｍ
＋ｎの範囲にしである。隙間ｇがこれより狭いと、大電
流しゃ断時にアークがシールド部材１１に触れやすり、
シゃ断性能を若干低下させる恐れがある。逆に隙間ｇが
これより広いと、シールド部材１１を設けた意味がなく
なり、電極本体３の外側面にアークが移動してしまうか
らである。The gap g between the shield member 11 and the contact part 5 is 2 to 10 m.
It is in the range of +n. If the gap g is narrower than this, the arc will touch the shield member 11 when the large current is cut off,
There is a possibility that the shearing performance will be slightly reduced. On the other hand, if the gap g is wider than this, there is no point in providing the shield member 11, and the arc will move to the outer surface of the electrode body 3.
以上説明したシールド付きコントレート電極１０のＣ−
０コンデンサ開閉試験を、表１に示した条件と同じ条件
で３本の真空インタラプタについて行った。C- of the shielded contrast electrode 10 explained above.
A zero capacitor switching test was conducted on three vacuum interrupters under the same conditions as shown in Table 1.
試験結果は第３図の特性線Ｃ，Ｄ、Ｅに示す通りであり
、３本の真空インクラブタともに開閉回数５００回まで
２〜３％の再点弧確率であり、低確率で且つ安定した耐
電圧特性が得られた。The test results are as shown in characteristic lines C, D, and E in Figure 3, and all three vacuum incretors have a 2 to 3% re-ignition probability up to 500 openings and closings, indicating a low probability and stable durability. Voltage characteristics were obtained.
Ｈｏ 発明の効果
本発明の真空インタラプタによれば、コントレート電極
における電極本体側の接点部の一部と電極本体の外側面
全体とをシールド部材で囲んｔ！ため、接点部から電極
本体の外側面にアークが移動するのをシールド部材が阻
止でき、電極本体の外側面にアークが移動することに起
因して生じていた耐電圧特性の低下がなくなし、多数回
開閉においても安定した耐電圧特性が得られる。Effects of the Invention According to the vacuum interrupter of the present invention, a part of the contact portion on the electrode body side of the contrast electrode and the entire outer surface of the electrode body are surrounded by a shielding member. Therefore, the shielding member can prevent the arc from moving from the contact part to the outer surface of the electrode body, eliminating the deterioration in withstand voltage characteristics caused by the arc moving to the outer surface of the electrode body. Stable withstand voltage characteristics can be obtained even after multiple openings and closings.
また、シールド、部材が接点部の先端よりも突出せず、
且つ、接点部から離れているから、シールド部材にアー
クが触れる可能性が小さく、万−触れてもシールド部材
は耐電圧特性及び耐アーク性が良く且つ低導電率の材料
で作っであるから、シールド部材がない場合に比べしゃ
断性能の低下は殆どない。In addition, the shield and the member do not protrude beyond the tip of the contact part,
In addition, since it is far from the contact part, there is a small possibility that the shield member will be touched by an arc, and even if it does touch the shield member, it is made of a material that has good withstand voltage characteristics and arc resistance, and has low conductivity. There is almost no deterioration in breaking performance compared to the case where there is no shield member.
第１図は本発明の真空インタラプタにおけるシールド付
コントレート電極の一実施例の断面図、第２図は本発明
の真空インタラプタの一実施例の断面図、第３図はコン
デンサ開閉等価試験におけるＣ−０開閉回数と再点弧回
数との試験結果を示すグラフ、第４図は従来のコントレ
ート電極の断面図である。
図面中、３は電極本体、３ａは傾斜溝、５は接点部、５
ａはその先端、５ｂは基端、６はリード棒、６ａは固定
リード棒、６ｂは可動り一ド棒、１０はコントレート電
極、１１はシールド部材である。Fig. 1 is a sectional view of an embodiment of the shielded contrate electrode in the vacuum interrupter of the present invention, Fig. 2 is a sectional view of an embodiment of the vacuum interrupter of the invention, and Fig. 3 is the C in a capacitor switching equivalence test. FIG. 4 is a graph showing the test results of -0 switching times and restriking times, and is a cross-sectional view of a conventional contrast electrode. In the drawing, 3 is the electrode body, 3a is the inclined groove, 5 is the contact part, 5
5b is a base end, 6 is a lead rod, 6a is a fixed lead rod, 6b is a movable lead rod, 10 is a contrast electrode, and 11 is a shield member.
Claims (1)
て形成したコントレート電極を備える真空インタラプタ
において、コントレート電極が具備する電極本体側の接
点部の一部と電極本体とを空隙を介して囲むカップ形状
のシールド部材をリード棒に設け、前記シールド部材を
コントレート電極の材料よりも耐電圧特性及び耐アーク
性が良く且つ低導電率の材料で形成したことを特徴とす
る真空インタラプタ。In a vacuum interrupter equipped with a contrast electrode formed by providing a ring-shaped contact part at the tip of a cup-shaped electrode body, a part of the contact part on the electrode body side of the contrast electrode and the electrode body are connected through a gap. A vacuum interrupter characterized in that a cup-shaped shield member surrounding the lead rod is provided on the lead rod, and the shield member is made of a material having better voltage resistance and arc resistance and lower conductivity than the material of the contrast electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30626986A JPS63160122A (en) | 1986-12-24 | 1986-12-24 | Vacuum interruptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30626986A JPS63160122A (en) | 1986-12-24 | 1986-12-24 | Vacuum interruptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63160122A true JPS63160122A (en) | 1988-07-02 |
Family
ID=17955048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30626986A Pending JPS63160122A (en) | 1986-12-24 | 1986-12-24 | Vacuum interruptor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63160122A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04101315A (en) * | 1990-08-17 | 1992-04-02 | Fuji Electric Co Ltd | Vacuum valve |
| EP1376634A1 (en) * | 2002-06-27 | 2004-01-02 | Schneider Electric Industries Sas | Vacuum tube for an electrical protection apparatus such as a switch or a circuit breaker |
| DE102018200450A1 (en) * | 2018-01-12 | 2019-07-18 | Siemens Aktiengesellschaft | Vacuum interrupter |
-
1986
- 1986-12-24 JP JP30626986A patent/JPS63160122A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04101315A (en) * | 1990-08-17 | 1992-04-02 | Fuji Electric Co Ltd | Vacuum valve |
| EP1376634A1 (en) * | 2002-06-27 | 2004-01-02 | Schneider Electric Industries Sas | Vacuum tube for an electrical protection apparatus such as a switch or a circuit breaker |
| FR2841682A1 (en) * | 2002-06-27 | 2004-01-02 | Schneider Electric Ind Sas | VACUUM BULB FOR AN ELECTRICAL PROTECTIVE APPARATUS SUCH AS A SWITCH OR A CIRCUIT BREAKER |
| US6762388B2 (en) | 2002-06-27 | 2004-07-13 | Schneider Electric Industries Sas | Vacuum cartridge for an electrical protection apparatus such as a switch or circuit breaker |
| DE102018200450A1 (en) * | 2018-01-12 | 2019-07-18 | Siemens Aktiengesellschaft | Vacuum interrupter |
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