JP2005259434A - 回路遮断器 - Google Patents
回路遮断器 Download PDFInfo
- Publication number
- JP2005259434A JP2005259434A JP2004067248A JP2004067248A JP2005259434A JP 2005259434 A JP2005259434 A JP 2005259434A JP 2004067248 A JP2004067248 A JP 2004067248A JP 2004067248 A JP2004067248 A JP 2004067248A JP 2005259434 A JP2005259434 A JP 2005259434A
- Authority
- JP
- Japan
- Prior art keywords
- movable contact
- contact
- circuit breaker
- side wall
- frame body
- 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.)
- Granted
Links
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- 239000012212 insulator Substances 0.000 claims description 10
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- 230000000903 blocking effect Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/341—Barrier plates carrying electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
【解決手段】固定接触子3と可動接触子5とからなる遮断部を囲むように消弧室6が配置された回路遮断器において、遮断部の固定・可動接点7,10近傍を可動接触子5との間に隙間を置いて左右から囲う絶縁物の枠体20を設ける。電磁反発力により可動接触子5が開離し、アークガスの発生により内圧が上昇した場合、枠体20による囲いにより可動接触子5の下側の圧力が急激に上昇し、可動接触子5は上下間の差圧により開離方向に駆動されて開離速度が高まる。
【選択図】 図1
Description
4 開閉機構
5 可動接触子
6 消弧室
7 固定接点
10 可動接点
11 可動接触子ホルダ
13 接触スプリング
14 支持体
15 グリッド
20 枠体
20a 側壁
20c 隔壁
20d 突起
21 過電流引外し装置
Claims (7)
- ケースに固定され、一端に固定接点を有し他端に端子が形成された固定接触子と、一端に前記固定接点と接触する可動接点を有し、他端が前記ケースに回動可能に支持された絶縁物の可動接触子ホルダに回動可能に連結され、前記可動接触子ホルダとの間に挿入された接触スプリングにより前記固定接触子に向かって付勢された可動接触子とからなる遮断部を備えるとともに、この遮断部を囲むように消弧室が配置され、この消弧室は絶縁物の支持体と、この支持体に積層支持された複数枚のグリッドとからなる回路遮断器において、
閉路状態の前記遮断部の固定・可動接点近傍を前記可動接触子との間に隙間を置いて左右から囲う側壁を有する絶縁物の枠体を設けたことを特徴とする回路遮断器。 - 前記枠体の側壁の上面を閉成状態の前記可動接触子の上面より高くしたことを特徴とする請求項1記載の回路遮断器。
- 前記枠体の側壁の上面を開離状態の前記可動接触子の下面より低くしたことを特徴とする請求項1又は請求項2記載の回路遮断器。
- 前記枠体に前記側壁の前記可動接触子ホルダ側の端部間を前記可動接触子の開閉運動範囲を除いて互いに連結する背壁を設けたことを特徴とする請求項1〜請求項3のいずれかに記載の回路遮断器。
- 前記枠体の側面を前記消弧室のグリッドに当接させたことを特徴とする請求項1〜請求項4のいずれかに記載の回路遮断器。
- 前記枠体に前記側壁の前記可動接触子ホルダ側の端部から左右側方に張り出す隔壁を形成するとともに、この隔壁に係合突起を設け、この係合突起を前記消弧室の支持体に係合させて、前記枠体の側壁の内側への倒れを防止するようにしたことを特徴とする請求項1〜請求項5のいずれかに記載の回路遮断器。
- 前記枠体をアークとの接触により蒸発ガスを生じる材料で構成したことを特徴とする請求項1〜請求項6のいずれかに記載の回路遮断器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004067248A JP4506212B2 (ja) | 2004-03-10 | 2004-03-10 | 回路遮断器 |
CNA2004100572613A CN1667779A (zh) | 2004-03-10 | 2004-08-26 | 电路断路器 |
KR1020040068384A KR20050091889A (ko) | 2004-03-10 | 2004-08-30 | 회로 차단기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004067248A JP4506212B2 (ja) | 2004-03-10 | 2004-03-10 | 回路遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005259434A true JP2005259434A (ja) | 2005-09-22 |
JP4506212B2 JP4506212B2 (ja) | 2010-07-21 |
Family
ID=35038786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004067248A Expired - Lifetime JP4506212B2 (ja) | 2004-03-10 | 2004-03-10 | 回路遮断器 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4506212B2 (ja) |
KR (1) | KR20050091889A (ja) |
CN (1) | CN1667779A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007280778A (ja) * | 2006-04-07 | 2007-10-25 | Fuji Electric Fa Components & Systems Co Ltd | 回路遮断器 |
JP2008066155A (ja) * | 2006-09-08 | 2008-03-21 | Hitachi Industrial Equipment Systems Co Ltd | 回路遮断器 |
JP2008066171A (ja) * | 2006-09-08 | 2008-03-21 | Fuji Electric Fa Components & Systems Co Ltd | 回路遮断器 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4957072B2 (ja) * | 2006-05-11 | 2012-06-20 | 富士電機機器制御株式会社 | 回路遮断器 |
JP2012248357A (ja) * | 2011-05-26 | 2012-12-13 | Fuji Electric Fa Components & Systems Co Ltd | 回路遮断器 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62208522A (ja) * | 1986-03-10 | 1987-09-12 | 株式会社東芝 | 回路しや断器用消弧装置 |
JPH05159658A (ja) * | 1991-12-03 | 1993-06-25 | Matsushita Electric Works Ltd | 消弧装置 |
JPH0845411A (ja) * | 1994-05-23 | 1996-02-16 | Mitsubishi Electric Corp | 発弧時に飛散する金属類の絶縁体化方法、それに用いるガス発生源材料およびそれを用いた開閉器 |
JPH08227648A (ja) * | 1994-06-14 | 1996-09-03 | Fuji Electric Co Ltd | 回路遮断器 |
JPH09129074A (ja) * | 1995-10-31 | 1997-05-16 | Fuji Electric Co Ltd | 回路遮断器の消弧装置 |
JPH10294036A (ja) * | 1997-04-16 | 1998-11-04 | Fuji Electric Co Ltd | 回路遮断器の消弧装置 |
JP2001160348A (ja) * | 1999-12-03 | 2001-06-12 | Mitsubishi Electric Corp | 回路遮断器 |
-
2004
- 2004-03-10 JP JP2004067248A patent/JP4506212B2/ja not_active Expired - Lifetime
- 2004-08-26 CN CNA2004100572613A patent/CN1667779A/zh active Pending
- 2004-08-30 KR KR1020040068384A patent/KR20050091889A/ko not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62208522A (ja) * | 1986-03-10 | 1987-09-12 | 株式会社東芝 | 回路しや断器用消弧装置 |
JPH05159658A (ja) * | 1991-12-03 | 1993-06-25 | Matsushita Electric Works Ltd | 消弧装置 |
JPH0845411A (ja) * | 1994-05-23 | 1996-02-16 | Mitsubishi Electric Corp | 発弧時に飛散する金属類の絶縁体化方法、それに用いるガス発生源材料およびそれを用いた開閉器 |
JPH08227648A (ja) * | 1994-06-14 | 1996-09-03 | Fuji Electric Co Ltd | 回路遮断器 |
JPH09129074A (ja) * | 1995-10-31 | 1997-05-16 | Fuji Electric Co Ltd | 回路遮断器の消弧装置 |
JPH10294036A (ja) * | 1997-04-16 | 1998-11-04 | Fuji Electric Co Ltd | 回路遮断器の消弧装置 |
JP2001160348A (ja) * | 1999-12-03 | 2001-06-12 | Mitsubishi Electric Corp | 回路遮断器 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007280778A (ja) * | 2006-04-07 | 2007-10-25 | Fuji Electric Fa Components & Systems Co Ltd | 回路遮断器 |
JP2008066155A (ja) * | 2006-09-08 | 2008-03-21 | Hitachi Industrial Equipment Systems Co Ltd | 回路遮断器 |
JP2008066171A (ja) * | 2006-09-08 | 2008-03-21 | Fuji Electric Fa Components & Systems Co Ltd | 回路遮断器 |
Also Published As
Publication number | Publication date |
---|---|
JP4506212B2 (ja) | 2010-07-21 |
CN1667779A (zh) | 2005-09-14 |
KR20050091889A (ko) | 2005-09-15 |
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