JPS6215979B2 - - Google Patents
Info
- Publication number
- JPS6215979B2 JPS6215979B2 JP55012757A JP1275780A JPS6215979B2 JP S6215979 B2 JPS6215979 B2 JP S6215979B2 JP 55012757 A JP55012757 A JP 55012757A JP 1275780 A JP1275780 A JP 1275780A JP S6215979 B2 JPS6215979 B2 JP S6215979B2
- Authority
- JP
- Japan
- Prior art keywords
- vacuum interrupter
- end plate
- insulating
- container
- metal container
- 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
Links
- 239000002184 metal Substances 0.000 claims description 20
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 9
- 210000005069 ears Anatomy 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 8
- 239000011810 insulating material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Description
【発明の詳細な説明】
この発明は有底筒状の金属容器と絶縁端板とを
用いて真空容器を形成した真空インタラプタに関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vacuum interrupter in which a vacuum container is formed using a bottomed cylindrical metal container and an insulating end plate.
一般に、真空インタラプタは、第１図に示すよ
うに、ガラスあるいはセラミツクスからなる絶縁
筒１の両端を端板２，３により閉塞して真空容器
４を構成し、この真空容器４内に接離自在の接点
５，６を内端部に備えた固定、可動リード棒７，
８を相対的に接近離反自在に導入して構成されて
いる。ところで、ガラスあるいはセラミツクスか
らなる絶縁筒をその内外径等の寸法精度を所定範
囲内に維持して製作するのは技術的に高度な技術
を要し、特に大径の絶縁筒となるとなおさら困難
を極めるとともにその材料が高価であることと加
えて真空インタラプタ自体を非常に高価なものと
している。 Generally, as shown in FIG. 1, a vacuum interrupter consists of a vacuum vessel 4 which is constructed by closing both ends of an insulating cylinder 1 made of glass or ceramics with end plates 2 and 3, and which can be moved into and out of the vacuum vessel 4. a fixed and movable lead rod 7, with contacts 5, 6 at its inner end;
8 are introduced so that they can be relatively approached and separated. By the way, manufacturing an insulating tube made of glass or ceramics while maintaining the dimensional accuracy of its inner and outer diameters within a predetermined range requires highly advanced technology, and it is even more difficult when the insulating tube has a particularly large diameter. In addition to the fact that the materials used are expensive, the vacuum interrupter itself is extremely expensive.
上述した問題を対処するために、第２図に示す
真空インタラプタが開発された。この真空インタ
ラプタはいわゆるメタルカツプ形真空インタラプ
タと称され、有底筒状のカツプ状金属容器１１
と、この容器１１の開口部を覆う円板状の絶縁端
板１２（セラミツクス端板）とから成り、絶縁端
板１２上に金属カツプを伏せた状態にて真空容器
１３を形成し、前記金属容器１１の天井部（容器
の底部）に気密に固定リード棒１４を設け、この
固定リード棒１４に相対する可動リード棒１５を
ベローズ１６を介して前記絶縁端板１２に気密に
貫通して構成されている。 To address the above-mentioned problems, a vacuum interrupter, shown in FIG. 2, was developed. This vacuum interrupter is called a metal cup type vacuum interrupter, and has a bottomed cylindrical cup-shaped metal container 11.
and a disc-shaped insulating end plate 12 (ceramic end plate) that covers the opening of the container 11. A vacuum container 13 is formed with the metal cup placed face down on the insulating end plate 12, and the metal A fixed lead rod 14 is airtightly provided on the ceiling of the container 11 (bottom of the container), and a movable lead rod 15 facing the fixed lead rod 14 is airtightly penetrated through the insulating end plate 12 via a bellows 16. has been done.
この第２図の真空インタラプタにおいて、金属
容器１１内には同軸的にシールド体１７が配装さ
れ、このシールド体１７は絶縁端板１２に固着さ
れる。なお、１８はベローズシールド、１９は固
定電極、２０は可動電極、２１は集電フランジで
ある。 In the vacuum interrupter shown in FIG. 2, a shield body 17 is disposed coaxially within the metal container 11, and this shield body 17 is fixed to the insulating end plate 12. In addition, 18 is a bellows shield, 19 is a fixed electrode, 20 is a movable electrode, and 21 is a current collection flange.
上述のように構成された真空インタラプタにお
いて絶縁距離、すなわち、絶縁強度は第２図に矢
印２２で示す長さより決定される。このため、第
２図の真空インタラプタは第１図の真空インタラ
プタに比較して絶縁端板１２を用いることによ
り、材料費の低減を図ることができる反面、第１
図の真空インタラプタが持つ絶縁強度を得るため
には絶縁端板１２の径を極めて大きくしなくては
ならない。この結果、第２図の真空インタラプタ
で高電圧用のものを構成すると大型化してしまう
欠点がある。このため、高電圧用とする場合には
絶縁端板１２の下面に絶縁パツキン（図示省略）
等を密着させて、前記絶縁距離を大きくし、絶縁
強度を高めることができるが、しかし、上記のよ
うに絶縁パツキン等を設けると構造が複雑とな
る。 In the vacuum interrupter constructed as described above, the insulation distance, that is, the insulation strength, is determined by the length shown by the arrow 22 in FIG. Therefore, compared to the vacuum interrupter shown in FIG. 1, the vacuum interrupter shown in FIG. 2 can reduce material costs by using the insulating end plate 12.
In order to obtain the insulation strength of the vacuum interrupter shown in the figure, the diameter of the insulating end plate 12 must be made extremely large. As a result, if the vacuum interrupter shown in FIG. 2 is constructed for high voltage use, there is a drawback that the vacuum interrupter becomes large in size. Therefore, when used for high voltage, an insulating gasket (not shown) is attached to the bottom surface of the insulating end plate 12.
It is possible to increase the insulation distance and increase the insulation strength by bringing the insulation packing and the like into close contact with each other. However, if the insulation packing and the like are provided as described above, the structure becomes complicated.
この発明は上記の事情に鑑みてなされたもの
で、絶縁端板から金属容器にかけて絶縁物を被覆
させることにより、簡単な構成でありながら小型
で高電圧の使用に耐え、しかも軽量で経済的に優
れた真空インタラプタを提供することにある。 This invention was made in view of the above circumstances, and by coating an insulating material from the insulating end plate to the metal container, it has a simple structure, is compact, can withstand high voltage use, and is lightweight and economical. Our goal is to provide an excellent vacuum interrupter.
以下図面を参照してこの発明の一実施例を説明
する。 An embodiment of the present invention will be described below with reference to the drawings.
第３図Ａ，Ｂにおいて、第２図と同一部分は同
一符号を付して示す。図において、金属容器１１
外周囲の上部から絶縁端板１２全体を絶縁モール
ド部材３１で被覆するとともに、この絶縁モール
ド部材３１の上部外周には180度異なる位置に埋
込金具３２を埋込んだ取付用の耳部３３ａ，３３
ｂが一体的に形成される。このように絶縁モール
ド部材３１により金属容器１１と絶縁端板１２を
被覆すると絶縁距離を大きくすることができる。
従つて、第２図に示す真空インタラプタでは
3.0KVを超えると絶縁端板１２が大きくなつてし
まうのが、小形で高電圧用の真空インタラプタが
簡単に製作できる。また、従来の絶縁円筒形の真
空インタラプタと同様な取扱いができる。 In FIGS. 3A and 3B, the same parts as in FIG. 2 are designated by the same reference numerals. In the figure, metal container 11
The entire insulating end plate 12 is covered with an insulating mold member 31 from the upper part of the outer periphery, and the upper outer periphery of this insulating mold member 31 is provided with mounting ears 33a, in which embedded fittings 32 are embedded at positions 180 degrees apart. 33
b is integrally formed. By covering the metal container 11 and the insulating end plate 12 with the insulating mold member 31 in this manner, the insulating distance can be increased.
Therefore, in the vacuum interrupter shown in Figure 2,
Although the insulating end plate 12 becomes large when the voltage exceeds 3.0 KV, a small vacuum interrupter for high voltage can be easily manufactured. Additionally, it can be handled in the same way as a conventional insulated cylindrical vacuum interrupter.
以上述べたようにこの発明によれば、金属容器
外周囲の上部から絶縁端板全体を絶縁物で被覆す
るとともに絶縁物の上部外周に一対の埋込金具を
埋込んだ耳部を絶縁物と一体的に形成したので、
真空インタラプタの組付時に他の取付手段を設け
る必要もなく、また金属容器はどの部分も同電位
であるから埋込金具が金属容器の近傍に埋設され
ていても真空インタラプタの絶縁耐力を低下させ
ることもない。さらに、この発明では絶縁距離を
大きくできるために高電圧の使用に耐え、かつ簡
単な構成で小形化を図ることができ、しかも軽量
化を図ることができる真空インタラプタが得られ
る。 As described above, according to the present invention, the entire insulating end plate is covered with an insulating material from the upper part of the outer periphery of the metal container, and the ear part in which a pair of embedded fittings are embedded in the upper outer periphery of the insulating material is covered with an insulating material. Since it is integrally formed,
There is no need to provide other attachment means when assembling the vacuum interrupter, and since all parts of the metal container have the same potential, even if the embedded metal fittings are buried near the metal container, it will not reduce the dielectric strength of the vacuum interrupter. Not at all. Further, according to the present invention, a vacuum interrupter can be obtained which can withstand use of high voltage because the insulation distance can be increased, can be made smaller with a simple structure, and can be made lighter in weight.
第１図は従来の真空インタラプタを示す概略構
成図、第２図はメタルカツプ真空インタラプタを
示す一部を断面した正面図、第３図Ａ，Ｂはこの
発明の一実施例を示すもので、第３図Ａは一部断
面正面図、第３図Ｂは第３図Ａの平面図である。
１１……金属容器、１２……絶縁端板、１３…
…真空容器、１４……固定リード棒、１５……可
動リード棒、１６……ベローズ、１７……シール
ド体、１８……ベローズシールド、１９……固定
電極、２０……可動電極、２１……集電フラン
ジ、３１……絶縁モールド部材、３２……埋込金
具、３３ａ，３３ｂ……取付用の耳部。
FIG. 1 is a schematic configuration diagram showing a conventional vacuum interrupter, FIG. 2 is a partially sectional front view showing a metal cup vacuum interrupter, and FIGS. 3A and 3B show an embodiment of the present invention. 3A is a partially sectional front view, and FIG. 3B is a plan view of FIG. 3A. 11...Metal container, 12...Insulating end plate, 13...
...Vacuum container, 14... Fixed lead rod, 15... Movable lead rod, 16... Bellows, 17... Shield body, 18... Bellows shield, 19... Fixed electrode, 20... Movable electrode, 21... Current collecting flange, 31... Insulating mold member, 32... Embedded metal fittings, 33a, 33b... Ear parts for mounting.
Claims (1)
１２で接合して覆うとともに金属容器底部に固定
リード棒１４を設け、この固定リード棒に相対す
る可動リード棒１５をベローズ１６を介して前記
絶縁端板１２に気密を保持して取付けることによ
り真空容器１３を構成し、金属容器外周囲の上部
から絶縁端板全体を絶縁物３１で被覆するととも
にその絶縁物３１の上部外周に一対の埋込金具３
２を埋込んだ取付用の耳部３３ａ，３３ｂを絶縁
物と一体的に形成したことを特徴とする真空イン
タラプタ。1. The opening of a bottomed cylindrical metal container 11 is joined and covered with an insulating end plate 12, and a fixed lead rod 14 is provided at the bottom of the metal container, and a movable lead rod 15 facing the fixed lead rod is connected via a bellows 16. The vacuum container 13 is constructed by attaching the metal container to the insulating end plate 12 in an airtight manner. Embedded metal fitting 3
1. A vacuum interrupter characterized in that mounting ears 33a and 33b in which 2 is embedded are integrally formed with an insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275780A JPS56109419A (en) | 1980-02-05 | 1980-02-05 | Vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275780A JPS56109419A (en) | 1980-02-05 | 1980-02-05 | Vacuum interrupter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56109419A JPS56109419A (en) | 1981-08-29 |
| JPS6215979B2 true JPS6215979B2 (en) | 1987-04-10 |
Family
ID=11814273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1275780A Granted JPS56109419A (en) | 1980-02-05 | 1980-02-05 | Vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56109419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62191467U (en) * | 1986-05-28 | 1987-12-05 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5955843U (en) * | 1982-10-04 | 1984-04-12 | 株式会社東芝 | Insulated pipe for insulation breakers |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53134567A (en) * | 1977-04-27 | 1978-11-24 | Ito Fusako | Device for drying bedding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4910047U (en) * | 1972-04-28 | 1974-01-28 | ||
| JPS4957858U (en) * | 1972-08-29 | 1974-05-22 |
-
1980
- 1980-02-05 JP JP1275780A patent/JPS56109419A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53134567A (en) * | 1977-04-27 | 1978-11-24 | Ito Fusako | Device for drying bedding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62191467U (en) * | 1986-05-28 | 1987-12-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56109419A (en) | 1981-08-29 |
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