JP2010140818A5 - - Google Patents
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- Publication number
- JP2010140818A5 JP2010140818A5 JP2008317552A JP2008317552A JP2010140818A5 JP 2010140818 A5 JP2010140818 A5 JP 2010140818A5 JP 2008317552 A JP2008317552 A JP 2008317552A JP 2008317552 A JP2008317552 A JP 2008317552A JP 2010140818 A5 JP2010140818 A5 JP 2010140818A5
- Authority
- JP
- Japan
- Prior art keywords
- latch
- hole
- circuit breaker
- mechanism frame
- latch spring
- 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
- 238000005452 bending Methods 0.000 claims 2
- 238000010008 shearing Methods 0.000 claims 2
Claims (14)
前記電気回路に所定値以上の電流が流れたときに動作する引き外し装置と、
回動可能に設けられ、前記引き外し装置の動作に基づいて駆動され所定方向に回動するトリップバーと、
前記トリップバーに掛け金を介して係合可能に設けられると共にラッチばねにより常時所定方向に回動するように付勢され、前記係合しているときは前記回動が阻止され、前記トリップバーが前記回動したとき前記係合が解かれて前記所定方向に回動するラッチと、
前記ラッチに係合可能に設けられ、前記ラッチが前記所定方向に回動したとき前記ラッチとの係合が解かれて前記可動接触子を駆動して前記電気回路を遮断し又は閉じる開閉機構部と
を備えた回路遮断器であって、
前記ラッチばねは、コイル部と前記コイル部の両端部に夫々設けられた一対の足部とを備え、前記コイル部が前記開閉機構部を保持する機構フレームに設けられた孔部に挿入されることにより前記機構フレームに保持され、
前記ラッチばねの前記一対の足部は、前記機構フレームを挟んで前記機構フレームの両側部側に別々に配置され、前記一対の足部のうちの一方の足部が前記ラッチに当接して前記ラッチを付勢すると共に、他方の足部が前記掛け金に当接して前記掛け金を付勢することを特徴とする回路遮断器。 A movable contact provided with a movable contact facing the fixed contact, and when driven, the movable contact is separated or brought into contact with the fixed contact to interrupt or close an electric circuit;
A tripping device that operates when a current of a predetermined value or more flows through the electrical circuit;
A trip bar provided rotatably and driven in accordance with the operation of the tripping device to rotate in a predetermined direction;
The trip bar is provided so as to be engageable via a latch, and is always urged to rotate in a predetermined direction by a latch spring. When engaged, the rotation is prevented, and the trip bar A latch that, when rotated, disengages the engagement and rotates in the predetermined direction;
An opening / closing mechanism that is provided so as to be engageable with the latch, and is disengaged from the latch when the latch rotates in the predetermined direction to drive the movable contact to shut off or close the electric circuit. A circuit breaker comprising:
The latch spring includes a coil portion and a pair of feet provided at both ends of the coil portion, and the coil portion is inserted into a hole provided in a mechanism frame that holds the opening / closing mechanism portion. Held by the mechanism frame,
The pair of foot portions of the latch spring are separately disposed on both sides of the mechanism frame with the mechanism frame interposed therebetween, and one foot portion of the pair of foot portions abuts on the latch and A circuit breaker characterized in that the latch is energized and the other leg abuts the latch to bias the latch.
前記電気回路に所定値以上の電流が流れたときに動作する引きはずし装置と、
回動可能に設けられ、前記引き外し装置の動作に基づいて駆動され所定方向に回動するトリップバーと、
前記トリップバーに掛け金を介して係合可能に設けられると共にラッチばねにより常時所定方向に回動するように付勢され、前記係合しているときは前記回動が阻止され、前記トリップバーが前記回動したとき前記係合が解かれて前記所定方向に回動するラッチと、
前記掛け金を常時付勢する掛け金ばねと、前記ラッチに係合可能に設けられ、前記ラッチが前記所定方向に回動したとき前記ラッチとの係合が解かれて前記可動接触子を駆動して前記電気回路を遮断し又は閉じる開閉機構部と
を備えた回路遮断器であって、
前記ラッチばねは、コイル部と前記コイル部の両端部に夫々設けられた一対の足部とを備え、前記コイル部が前記開閉機構部を保持する機構フレームに設けられた第1の孔部に挿入されることにより前記機構フレームに保持され、前記一対の足部のうちの一方が前記ラッチに当接して前記ラッチを付勢し、
前記掛け金ばねは、コイル部と前記コイル部の両端部に夫々設けられた一対の足部とを備え、前記コイル部が前記開閉機構部を保持する機構フレームに設けられた第2の孔部に挿入されることにより前記機構フレームに保持され、前記一対の足部のうちの一方が前記掛け金に当接して前記掛け金を付勢することを特徴とする回路遮断器。 A movable contact provided with a movable contact facing the fixed contact, and when driven, the movable contact is separated or brought into contact with the fixed contact to interrupt or close an electric circuit;
A tripping device that operates when a current greater than or equal to a predetermined value flows in the electrical circuit;
A trip bar provided rotatably and driven in accordance with the operation of the tripping device to rotate in a predetermined direction;
The trip bar is provided so as to be engageable via a latch, and is always urged to rotate in a predetermined direction by a latch spring. When engaged, the rotation is prevented, and the trip bar A latch that, when rotated, disengages the engagement and rotates in the predetermined direction;
A latch spring that constantly urges the latch, and a latch spring that can be engaged with the latch. When the latch rotates in the predetermined direction, the latch is disengaged to drive the movable contact. A circuit breaker provided with an opening and closing mechanism for closing or closing the electric circuit,
The latch spring includes a coil part and a pair of legs provided at both ends of the coil part, and the coil part is provided in a first hole provided in a mechanism frame that holds the opening / closing mechanism part. Inserted into the mechanism frame, and one of the pair of feet abuts the latch to urge the latch;
The latch spring includes a coil part and a pair of legs provided at both ends of the coil part, and the coil part is provided in a second hole provided in a mechanism frame that holds the opening / closing mechanism part. A circuit breaker, wherein the circuit breaker is held by the mechanism frame by being inserted, and one of the pair of feet abuts the latch to bias the latch.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008317552A JP5054662B2 (en) | 2008-12-12 | 2008-12-12 | Circuit breaker |
CN 200910133311 CN101752149B (en) | 2008-12-12 | 2009-03-31 | Circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008317552A JP5054662B2 (en) | 2008-12-12 | 2008-12-12 | Circuit breaker |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010140818A JP2010140818A (en) | 2010-06-24 |
JP2010140818A5 true JP2010140818A5 (en) | 2011-08-04 |
JP5054662B2 JP5054662B2 (en) | 2012-10-24 |
Family
ID=42350766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008317552A Active JP5054662B2 (en) | 2008-12-12 | 2008-12-12 | Circuit breaker |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5054662B2 (en) |
CN (1) | CN101752149B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102347176A (en) * | 2011-09-19 | 2012-02-08 | 广东天富电气集团有限公司 | Working method of electromagnetic tripping device |
WO2014010040A1 (en) * | 2012-07-11 | 2014-01-16 | 三菱電機株式会社 | Circuit breaker |
KR101780888B1 (en) * | 2013-07-12 | 2017-09-21 | 미쓰비시덴키 가부시키가이샤 | Circuit breaker |
CN106098488B (en) * | 2015-04-30 | 2019-04-05 | 现代电力与能源***株式会社 | Breaker |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3558991A (en) * | 1968-08-30 | 1971-01-26 | Ite Imperial Corp | Circuit breaker with high speed tripping system |
JPS59132146U (en) * | 1983-02-25 | 1984-09-04 | 富士電機株式会社 | Overcurrent trip device for circuit breakers |
DE3340250A1 (en) * | 1983-11-08 | 1985-05-15 | Heinrich Kopp Gmbh & Co Kg, 8756 Kahl | Earth-leakage current protection circuit breaker (section) having a reduced-voltage trip device |
DE3515297A1 (en) * | 1985-04-27 | 1986-11-06 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Automatic switch with a magnetic and thermal trip device |
JPH02227929A (en) * | 1989-02-28 | 1990-09-11 | Toshiba Lighting & Technol Corp | Circuit breaker |
JPH03122936A (en) * | 1989-10-04 | 1991-05-24 | Mitsubishi Electric Corp | Circuit breaker |
JP3972232B2 (en) * | 1999-07-07 | 2007-09-05 | 富士電機機器制御株式会社 | Circuit breaker switching mechanism |
JP2001351496A (en) * | 2000-06-09 | 2001-12-21 | Mitsubishi Electric Corp | Trip mechanism of circuit breaker |
JP4155761B2 (en) * | 2002-05-30 | 2008-09-24 | 日東工業株式会社 | Circuit breaker for wiring |
DE102004055564B4 (en) * | 2004-11-18 | 2022-05-05 | Abb Ag | Electrical installation switching device |
-
2008
- 2008-12-12 JP JP2008317552A patent/JP5054662B2/en active Active
-
2009
- 2009-03-31 CN CN 200910133311 patent/CN101752149B/en active Active
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