JPH0443836U - - Google Patents
Info
- Publication number
- JPH0443836U JPH0443836U JP8663790U JP8663790U JPH0443836U JP H0443836 U JPH0443836 U JP H0443836U JP 8663790 U JP8663790 U JP 8663790U JP 8663790 U JP8663790 U JP 8663790U JP H0443836 U JPH0443836 U JP H0443836U
- Authority
- JP
- Japan
- Prior art keywords
- contact
- gas
- movable contact
- fixed
- puffer
- 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
- Circuit Breakers (AREA)
Description
第１図、第３図および第５図はこの考案の互い
に異なる実施例にかかる消弧室の固定接触子の構
成を示す側面図、第２図は第１図の固定接触子の
端部拡大断面図、第４図は第３図の固定接触子の
端部拡大断面図、第６図は従来のパツフア形ガス
遮断器の要部構成例を示す縦断面図である。
１……金属容器、２……絶縁碍子、３……固定
接触子、４……可動接触子、５……パツフアシリ
ンダ、６……パツフア室、５Ａ……吹付け孔、７
……絶縁碍管、８……固定ピストン、９……開離
間隙部、１０……絶縁ノズル、１０Ａ……開口部
、１１……自由空間、１２……駆動ロツド、３Ａ
，１２Ａ……排気通路、１３……絶縁ロツド、１
４Ａ，１４Ｂ，１４Ｃ……ガス流、１５……アー
ク、１６……ギヤツプ、１７……螺旋部、１８，
２０……磁束、１９……磁性鉄心、２１……注型
絶縁物。
1, 3, and 5 are side views showing the configuration of a fixed contact of an arc extinguishing chamber according to different embodiments of this invention, and FIG. 2 is an enlarged view of the end of the fixed contact of FIG. 1. 4 is an enlarged sectional view of the end portion of the fixed contact shown in FIG. 3, and FIG. 6 is a vertical sectional view showing an example of the main part configuration of a conventional puffer type gas circuit breaker. 1...metal container, 2...insulator, 3...fixed contact, 4...movable contact, 5...puff cylinder, 6...puff chamber, 5A...blow hole, 7
... Insulating pipe, 8 ... Fixed piston, 9 ... Separation gap, 10 ... Insulating nozzle, 10A ... Opening, 11 ... Free space, 12 ... Drive rod, 3A
, 12A... Exhaust passage, 13... Insulating rod, 1
4A, 14B, 14C... Gas flow, 15... Arc, 16... Gap, 17... Spiral part, 18,
20... Magnetic flux, 19... Magnetic core, 21... Cast insulator.
Claims (1)
容器内に収納された固定接触子及びこの固定接触
子と接離可能な可動接触子と、この可動接触子と
連動するパツフアシリンダと、このパツフアシリ
ンダ内にパツフア室を形成する固定ピストンと、
前記可動接触子を包囲し前記パツフア室で圧縮さ
れたガスを前記パツフア室に設けられた吹付け孔
から前記固定と可動接触子との開離間隙部に導く
絶縁ノズルとにより構成され、前記固定接触子及
び可動接触子がその内部に前記開離間隙部から前
記金属容器の自由空間へ通ずるガスの排気通路を
備えたものにおいて、前記固定接触子が可動接触
子側の先端に軸方向にギヤツプを介在させながら
巻回して形成された螺旋部を備えるとともに、こ
の螺旋部の軸中心部が前記排気通路を形成してな
ることを特徴とするガス開閉機器の消弧室。 ２ 請求項１）記載のものにおいて、固定接触子
の螺旋部の内径側に中空円筒状の磁性鉄心を配し
、この磁性鉄心の中空部が排気通路を形成してな
ることを特徴とするガス開閉機器の消弧室。 ３ 請求項１）記載のものにおいて、固定接触子
の螺旋部に介在する軸方向のギヤツプに螺旋部と
接着する注型絶縁物を充填してなることを特徴と
するガス開閉機器の消弧室。[Claims for Utility Model Registration] 1. A metal container filled with arc-extinguishing gas, a fixed contact housed in the metal container, a movable contact that can come into contact with and separate from the fixed contact, and the movable contact. a puffer cylinder interlocked with the puffer cylinder, a fixed piston forming a puffer chamber in the puffer cylinder,
an insulating nozzle that surrounds the movable contact and guides gas compressed in the puffer chamber from a blowing hole provided in the puffer chamber to a separation gap between the fixed and movable contact; The contact and the movable contact are each provided with a gas exhaust passage leading from the separation gap to the free space of the metal container, and the fixed contact has a gap in the axial direction at the tip on the movable contact side. 1. An arc-extinguishing chamber for a gas switchgear device, comprising a spiral portion formed by winding the spiral portion with an intervening portion, and an axial center portion of the spiral portion forming the exhaust passage. 2. The gas according to claim 1), characterized in that a hollow cylindrical magnetic core is disposed on the inner diameter side of the spiral portion of the fixed contact, and the hollow portion of the magnetic core forms an exhaust passage. Arc extinguishing room for switchgear equipment. 3. The arc extinguishing chamber of a gas switchgear according to claim 1, characterized in that the axial gap interposed in the spiral part of the fixed contact is filled with a cast insulator that adheres to the spiral part. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8663790U JPH0443836U (en) | 1990-08-18 | 1990-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8663790U JPH0443836U (en) | 1990-08-18 | 1990-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443836U true JPH0443836U (en) | 1992-04-14 |
Family
ID=31636226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8663790U Pending JPH0443836U (en) | 1990-08-18 | 1990-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443836U (en) |
-
1990
- 1990-08-18 JP JP8663790U patent/JPH0443836U/ja active Pending
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