JPS6341845U - - Google Patents
Info
- Publication number
- JPS6341845U JPS6341845U JP13570786U JP13570786U JPS6341845U JP S6341845 U JPS6341845 U JP S6341845U JP 13570786 U JP13570786 U JP 13570786U JP 13570786 U JP13570786 U JP 13570786U JP S6341845 U JPS6341845 U JP S6341845U
- Authority
- JP
- Japan
- Prior art keywords
- arc extinguishing
- arc
- fixed contact
- groove
- circuit breaker
- 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
- Breakers (AREA)
Description
第１図はこの考案の一実施例による消弧室周辺
の断面図、第２図は従来の消弧室を備えた回路し
や断器の部分断面側面図、第３図は消弧板の斜視
図である。
図において、２は可動接触子、３は固定接触子
、４は消弧室、４０１は消弧板、４０２は太溝、
４０３は細溝、４０４は細溝４０３の奥端である
。なお、各図中同一符号は同一または相当部を示
す。
Figure 1 is a cross-sectional view of the area around the arc extinguishing chamber according to an embodiment of this invention, Figure 2 is a partial cross-sectional side view of a conventional circuit and disconnector equipped with an arc extinguishing chamber, and Figure 3 is a cross-sectional view of the arc extinguishing plate. FIG. In the figure, 2 is a movable contact, 3 is a fixed contact, 4 is an arc extinguishing chamber, 401 is an arc extinguishing plate, 402 is a thick groove,
403 is a narrow groove, and 404 is the inner end of the narrow groove 403. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
対向して配設された固定接触子、およびこれら可
動接触子と固定接触子との間に生じるアークを消
弧する消弧室を備え、前記消弧室が前記可動およ
び固定接触子側に開口したほぼＵ字形の太溝とそ
の奥の細溝とを有する消弧板を複数枚互いに間隔
を置いて重積してなる回路しや断器において、前
記細溝の奥端を前記固定接触子側の消弧板ほど奥
深くしたことを特徴とする回路しや断器の消弧装
置。 (2) 太溝の深さは一定にし、細溝の深さを固定
接触子側の消弧板ほど深くしたことを特徴とする
実用新案登録請求の範囲第１項記載の回路しや断
器の消弧装置。[Claims for Utility Model Registration] (1) A movable contact connected to an opening/closing mechanism, a fixed contact disposed opposite thereto, and an arc generated between the movable contact and the fixed contact. A plurality of arc extinguishing plates are provided with an arc extinguishing chamber that extinguishes an arc, and the arc extinguishing chamber has a substantially U-shaped thick groove opening toward the movable and fixed contacts, and a thin groove at the back thereof, the arc extinguishing plates being spaced apart from each other. 1. An arc extinguishing device for a circuit breaker or breaker, characterized in that, in a stacked circuit breaker or breaker, the inner end of the narrow groove is made as deep as the arc extinguishing plate on the fixed contact side. (2) The circuit breaker according to claim 1 of the utility model registration claim, characterized in that the depth of the wide groove is constant, and the depth of the narrow groove is made deeper as the arc-extinguishing plate is closer to the fixed contact side. arc extinguishing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13570786U JPS6341845U (en) | 1986-09-03 | 1986-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13570786U JPS6341845U (en) | 1986-09-03 | 1986-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6341845U true JPS6341845U (en) | 1988-03-18 |
Family
ID=31038152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13570786U Pending JPS6341845U (en) | 1986-09-03 | 1986-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6341845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3598468A1 (en) * | 2018-07-18 | 2020-01-22 | LSIS Co., Ltd. | Arc extinguishing unit of molded case circuit breaker |
| JPWO2022124360A1 (en) * | 2020-12-10 | 2022-06-16 |
-
1986
- 1986-09-03 JP JP13570786U patent/JPS6341845U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3598468A1 (en) * | 2018-07-18 | 2020-01-22 | LSIS Co., Ltd. | Arc extinguishing unit of molded case circuit breaker |
| CN110739166A (en) * | 2018-07-18 | 2020-01-31 | Ls产电株式会社 | Arc extinguishing device of circuit breaker for wiring |
| US10811207B2 (en) | 2018-07-18 | 2020-10-20 | Lsis Co., Ltd. | Arc extinguishing unit of molded case circuit breaker |
| JPWO2022124360A1 (en) * | 2020-12-10 | 2022-06-16 | ||
| WO2022124360A1 (en) * | 2020-12-10 | 2022-06-16 | 三菱電機株式会社 | Arc-extinguishing device and manufacturing method for arc-extinguishing device |
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