JPS62198634U - - Google Patents
Info
- Publication number
- JPS62198634U JPS62198634U JP8773886U JP8773886U JPS62198634U JP S62198634 U JPS62198634 U JP S62198634U JP 8773886 U JP8773886 U JP 8773886U JP 8773886 U JP8773886 U JP 8773886U JP S62198634 U JPS62198634 U JP S62198634U
- Authority
- JP
- Japan
- Prior art keywords
- bottom plate
- annular groove
- thin annular
- case
- relief device
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H2033/568—Gas reservoirs with overpressure release, e.g. rupture membranes
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
第１図ないし第３図はこの考案の密閉形開閉器
の放圧装置の１実施例を示し、第１図および第２
図はそれぞれ通常使用時および内部昇圧事故時の
断面図、第３図は底板の平面図、第４図および第
５図は従来の放圧装置の通常使用時および内部昇
圧事故時の断面図である。
８……ケース、１０……底板、１１，１１′…
…肉薄溝、１２……カバー。
Figures 1 to 3 show one embodiment of the pressure relief device for a sealed switch of this invention.
The figures are cross-sectional views during normal use and during an internal pressurization accident, Figure 3 is a plan view of the bottom plate, and Figures 4 and 5 are cross-sectional views of a conventional pressure relief device during normal use and during an internal pressurization accident. be. 8...Case, 10...Bottom plate, 11, 11'...
...Thin groove, 12...Cover.
Claims (1)
り破断する環状の肉薄溝を形成し、前記底板の下
方に通気性カバーを設けてなる密閉形開閉器の放
圧装置。 A pressure relief device for a closed type switch, in which a thin annular groove is formed in the bottom plate of a switch case, and a thin annular groove that ruptures when the pressure inside the case increases, and a breathable cover is provided below the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8773886U JPS62198634U (en) | 1986-06-09 | 1986-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8773886U JPS62198634U (en) | 1986-06-09 | 1986-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198634U true JPS62198634U (en) | 1987-12-17 |
Family
ID=30945220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8773886U Pending JPS62198634U (en) | 1986-06-09 | 1986-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198634U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280939U (en) * | 1988-12-09 | 1990-06-21 | ||
| JPH0291127U (en) * | 1988-12-28 | 1990-07-19 | ||
| WO2012169082A1 (en) * | 2011-06-07 | 2012-12-13 | 三菱電機株式会社 | Switchgear |
-
1986
- 1986-06-09 JP JP8773886U patent/JPS62198634U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280939U (en) * | 1988-12-09 | 1990-06-21 | ||
| JPH0291127U (en) * | 1988-12-28 | 1990-07-19 | ||
| WO2012169082A1 (en) * | 2011-06-07 | 2012-12-13 | 三菱電機株式会社 | Switchgear |