JPH0321831U - - Google Patents
Info
- Publication number
- JPH0321831U JPH0321831U JP8116889U JP8116889U JPH0321831U JP H0321831 U JPH0321831 U JP H0321831U JP 8116889 U JP8116889 U JP 8116889U JP 8116889 U JP8116889 U JP 8116889U JP H0321831 U JPH0321831 U JP H0321831U
- Authority
- JP
- Japan
- Prior art keywords
- inner cover
- case
- opening
- oil
- cover
- 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
- 230000002159 abnormal effect Effects 0.000 claims description 3
Landscapes
- Housings And Mounting Of Transformers (AREA)
Description
第１図はこの考案の一実施例による油入変圧器
の放圧装置の平常時の断面図、第２図は第１図の
異常時の断面図、第３図は従来の油入電気機器の
放圧装置の一例である油入変圧器の放圧装置の平
常時の断面図、第４図は第３図の異常時の断面図
である。
図において、２…ケース、２ａ…開口部、９…
カバー、９ａ…内カバー、９ｂ…外カバーである
。なお、各図中、同一符号は同一又は相当部分を
示す。
Fig. 1 is a cross-sectional view of a pressure relief device for an oil-immersed transformer according to an embodiment of this invention under normal conditions, Fig. 2 is a cross-sectional view of Fig. 1 during abnormal conditions, and Fig. 3 is a conventional oil-immersed electrical equipment. FIG. 4 is a cross-sectional view of a pressure relief device for an oil-immersed transformer, which is an example of a pressure relief device, in a normal state, and FIG. 4 is a cross-sectional view of FIG. 3 in an abnormal state. In the figure, 2...case, 2a...opening, 9...
Cover, 9a...inner cover, 9b...outer cover. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
とともに開口部を有するケースと、このケースに
前記開口部を閉塞するように設けられ、前記ケー
ス内の絶縁油の異常圧力上昇時に上動して前記開
口部を開放するカバーとを備えた油入電気機器の
放圧装置において、前記カバーは、前記開口部を
閉塞するための内カバーと、この内カバーの外方
に前記内カバーと一体に設けられているとともに
前記内カバーよりも下方に延長されている筒状の
外カバーとを有し、前記開口部の開放時に前記内
カバーと前記ケースとの間に生じる前記絶縁油の
出口を前記外カバーにより囲繞することを特徴と
する油入電気機器の放圧装置。 A case having an opening and an interior communicating with a tank of an oil-filled electrical device; and a case provided in the case so as to close the opening, and which moves upward when an abnormal pressure rises in the insulating oil in the case. In the pressure relief device for oil-filled electrical equipment, the cover includes an inner cover for closing the opening, and an inner cover integrated with the inner cover on the outside of the inner cover. and a cylindrical outer cover extending below the inner cover, and an outlet of the insulating oil generated between the inner cover and the case when the opening is opened. A pressure relief device for oil-filled electrical equipment characterized by being surrounded by an outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8116889U JPH0321831U (en) | 1989-07-12 | 1989-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8116889U JPH0321831U (en) | 1989-07-12 | 1989-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321831U true JPH0321831U (en) | 1991-03-05 |
Family
ID=31626865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8116889U Pending JPH0321831U (en) | 1989-07-12 | 1989-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011151158A (en) * | 2010-01-21 | 2011-08-04 | Tokyo Electric Power Co Inc:The | Oil-filled equipment |
-
1989
- 1989-07-12 JP JP8116889U patent/JPH0321831U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011151158A (en) * | 2010-01-21 | 2011-08-04 | Tokyo Electric Power Co Inc:The | Oil-filled equipment |
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