KR970002265B1 - 블로우 개방 접촉 아암을 갖는 회로 차단기 - Google Patents
블로우 개방 접촉 아암을 갖는 회로 차단기 Download PDFInfo
- Publication number
- KR970002265B1 KR970002265B1 KR1019860008191A KR860008191A KR970002265B1 KR 970002265 B1 KR970002265 B1 KR 970002265B1 KR 1019860008191 A KR1019860008191 A KR 1019860008191A KR 860008191 A KR860008191 A KR 860008191A KR 970002265 B1 KR970002265 B1 KR 970002265B1
- Authority
- KR
- South Korea
- Prior art keywords
- cam
- circuit breaker
- contact arm
- contact
- cam follower
- 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.)
- Expired - Fee Related
Links
Images
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
- H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
- H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
Description
Claims (2)
- 개방 위치와 폐쇄 위치사이에서 작동 가능하며 접촉부를 흐르는 전류의 제곱에 비례하고 소정의 과부한 전류 발생시 접촉부를 분리시키는 반발 자기력을 유지하고 있는 한쌍의 분리 가능한 접촉부(18,20)와, 이 접촉부중 하나를 이동시키기 위한 접촉 아암(26)과, 해제 가능 부재(54)를 구비하고 있는 회로 차단기 유니트와; 상기 과부하 전류 발생에 응답하여 상기 해제 가능 부재를 해제시키기 위해 가동하는 트립 기구(58)와; 상기 트립 기구의 작동시 피벗 이동을 위해 상기 접촉 아암을 장착하고 있는 장착 수단(108)을 포함하는데, 상기 장착 수단은 상기 접촉 아암을 개방 및 위치 중 어느 한위치에 유지시키기 위해 캠(112) 및 캠플로워 수단(118,120)중 어느 하나를 구비하고 있고, 상기 접촉 아암은 상기 캠 및 캠플로우 수단중 나머지 하나를 구비하고 있으며, 상기 캠 및 캠플로워 수단의 조립체는 상기 접촉부의 반대편에 배치되어 있고, 상기 캠플로워 수단은 상기 장착 수단에 제공된 슬롯(122)내에서 미끄러 이동 가능한 핀(120)형태의 캠플로워와 상기 캠에 대항해 사이 캠플로워를 유지시키기 위한 스프링 수단(118)을 구비하고 있고 부하 전류가 소정의 값을 초과할때 발생하는 반발 자기력에 응답하여 상기 접촉부가 개방 위치로 이동될 경우 제1캠위치로부터 제2캠위치로 이동하고, 상기 트립 기구는 상기 회로 차단 유니트를 개방 위치로작동시켜 상기 장착 수단을 회전시킴으로써 상기 캠플로워 수단으로 하여금 제2캠위치로부터 제1캠위치로 이동하게 되는 것을 특징으로 하는 블로우 개방 접촉 아암을 갖는 회로 차단기.
- 제1항에 있어서, 상기 캠은 접촉 아암 상에 있고, 상기 캠 플로워 수단은 상기 장착 수단상에 있는 것을 특징으로 하는 블로우 개방 접촉 아암을 갖는 회로 차단기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US782,669 | 1985-10-01 | ||
US06/782,669 US4638277A (en) | 1985-10-01 | 1985-10-01 | Circuit breaker with blow open latch |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870004481A KR870004481A (ko) | 1987-05-09 |
KR970002265B1 true KR970002265B1 (ko) | 1997-02-26 |
Family
ID=25126804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860008191A Expired - Fee Related KR970002265B1 (ko) | 1985-10-01 | 1986-09-30 | 블로우 개방 접촉 아암을 갖는 회로 차단기 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4638277A (ko) |
EP (1) | EP0218470B1 (ko) |
JP (1) | JPS6286632A (ko) |
KR (1) | KR970002265B1 (ko) |
AU (1) | AU598745B2 (ko) |
BR (1) | BR8604805A (ko) |
CA (1) | CA1251497A (ko) |
DE (1) | DE3688033T2 (ko) |
NZ (1) | NZ217548A (ko) |
PH (1) | PH23206A (ko) |
ZA (1) | ZA866662B (ko) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4635011A (en) * | 1985-05-01 | 1987-01-06 | Westinghouse Electric Corp. | Circuit breaker with arm latch for high interrupting capacity |
DE3536112A1 (de) * | 1985-10-07 | 1987-04-09 | Siemens Ag | Kontaktanordnung fuer niederspannungs-leistungsschalter mit einem biegsamen stromband |
DE3736013A1 (de) * | 1987-10-23 | 1989-05-11 | Kloeckner Moeller Elektrizit | Kontaktsystem fuer einen leistungsschalter |
US4891618A (en) * | 1988-08-01 | 1990-01-02 | Westinghouse Electric Corp. | Laminated copper assembly |
US4887055A (en) * | 1988-08-01 | 1989-12-12 | Westinghouse Electric Corp. | Modular option deck assembly |
US4939491A (en) * | 1988-08-01 | 1990-07-03 | Westinghouse Electric Corp. | Combination barrier and auxiliary CT board |
US4891617A (en) * | 1988-08-01 | 1990-01-02 | Westinghouse Electric Corp. | Rubber stops in outside poles |
US4887057A (en) * | 1988-08-01 | 1989-12-12 | Westinghouse Electric Corp. | Cam roll pin assembly |
US5057806A (en) * | 1988-08-01 | 1991-10-15 | Westinghouse Electric Corp. | Crossbar assembly |
US4996507A (en) * | 1988-08-01 | 1991-02-26 | Westinghouse Electric Corp. | CT quick change assembly and force transmitting spacer |
US4890081A (en) * | 1988-08-01 | 1989-12-26 | Westinghouse Electric Corp. | CT quick change assembly |
US4894747A (en) * | 1988-10-12 | 1990-01-16 | Westinghouse Electric Corp. | Side plate tapered twist tab fastening device for fastening side plates to the base |
US4950853A (en) * | 1988-10-12 | 1990-08-21 | Westinghouse Electric Corp. | Tapered stationary contact-line copper cross reference to related applications |
US5027096A (en) * | 1988-10-12 | 1991-06-25 | Westinghouse Electric Corp. | Key blocks for circuit breaker |
US4973927A (en) * | 1988-10-12 | 1990-11-27 | Westinghouse Electric Corp. | Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
US4951020A (en) * | 1988-10-21 | 1990-08-21 | Westinghouse Electric Corp. | Unriveted upper link securement cross-reference to related applications |
US5200724A (en) * | 1989-03-30 | 1993-04-06 | Westinghouse Electric Corp. | Electrical circuit breaker operating handle block |
US4990873A (en) * | 1989-06-30 | 1991-02-05 | Westinghouse Electric Corp. | Reverse switching means for motor operator |
US5032813A (en) * | 1990-03-09 | 1991-07-16 | Westinghouse Electric Corp. | Pinned shunt end expansion joint |
US5142112A (en) * | 1990-04-03 | 1992-08-25 | Westinghouse Electric Corp. | Circuit breaker positive off interlock |
US5193043A (en) * | 1990-06-26 | 1993-03-09 | Westinghouse Electric Corp. | Phase sensitivity |
US5119054A (en) * | 1990-08-30 | 1992-06-02 | Westinghouse Electric Corp. | "E" frame pancake design |
US5343174A (en) * | 1993-06-07 | 1994-08-30 | Eaton Corporation | Electrical circuit interrupting device with means to break welded contacts |
US5493084A (en) * | 1994-08-04 | 1996-02-20 | Eaton Corporation | Door release for circuit interrupter rotary handle mechanism |
US5493092A (en) * | 1994-10-12 | 1996-02-20 | Eaton Corporation | Shield for a line side of a circuit breaker for supporting cable and deflecting ionized gases |
US5508670A (en) * | 1994-11-28 | 1996-04-16 | Eaton Corporation | Trip interlock assembly for a circuit breaker |
US5548261A (en) * | 1995-03-03 | 1996-08-20 | Eaton Corporation | Trip device for a circuit breaker |
US5576677A (en) * | 1995-06-07 | 1996-11-19 | Eaton Corporation | Dual action armature |
US5994988A (en) * | 1997-09-23 | 1999-11-30 | Siemens Energy & Automation, Inc. | Movable contact structure for a circuit breaker, including crossbar and spring biased cam mechanism |
US5926081A (en) * | 1997-09-23 | 1999-07-20 | Siemens Energy & Automation, Inc. | Circuit breaker having a cam structure which aids blow open operation |
IT1314039B1 (it) * | 1999-10-08 | 2002-12-03 | Abb Ricerca Spa | Polo elettrico per interruttore di potenza di bassa tensione. |
US6407354B1 (en) | 2001-04-23 | 2002-06-18 | Eaton Corporation | Electrical switching apparatus including a baffle member having a deflectable flap |
DE102004020654A1 (de) * | 2004-04-22 | 2005-11-10 | Siemens Ag | Schaltkontaktanordnung |
ZA200506062B (en) * | 2004-10-04 | 2007-12-27 | Circuit Breaker Ind | Trip indicative rocker switch |
US9208962B2 (en) * | 2013-11-26 | 2015-12-08 | General Electric Company | Circuit breaker including an anti-rebound system, anti-rebound system for a circuit breaker and method |
US9842708B1 (en) | 2016-06-03 | 2017-12-12 | General Electric Company | Circuit breaker latch mechanism integrated into the rotor assembly |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3436710A (en) * | 1967-05-24 | 1969-04-01 | Gen Electric | Electric circuit breaker |
US3564184A (en) * | 1969-01-27 | 1971-02-16 | Gen Electric | Electric circuit breaker |
GB1564412A (en) * | 1977-09-15 | 1980-04-10 | Dorman Smith Switchgear Ltd | Electric circuit breakers |
US4259651A (en) * | 1978-10-16 | 1981-03-31 | Westinghouse Electric Corp. | Current limiting circuit interrupter with improved operating mechanism |
JPS594535U (ja) * | 1982-06-28 | 1984-01-12 | 福地 正夫 | ブレ−キ装置付きワイヤロ−プ式x線管連動機 |
US4480242A (en) * | 1983-03-28 | 1984-10-30 | General Electric Company | Variable torque contact arm for electric circuit breakers |
US4488133A (en) * | 1983-03-28 | 1984-12-11 | Siemens-Allis, Inc. | Contact assembly including spring loaded cam follower overcenter means |
US4554427A (en) * | 1983-12-19 | 1985-11-19 | Westinghouse Electric Corp. | Molded case circuit breaker with movable lower electrical contact |
US4528531A (en) * | 1983-12-19 | 1985-07-09 | Westinghouse Electric Corp. | Molded case circuit breaker with improved operating mechanism |
US4553116A (en) * | 1984-01-09 | 1985-11-12 | Westinghouse Electric Corp. | Molded case circuit breaker with resettable combined undervoltage and manual trip mechanism |
US4553119A (en) * | 1984-05-10 | 1985-11-12 | General Electric Company | Electric circuit breaker having reduced arc energy |
-
1985
- 1985-10-01 US US06/782,669 patent/US4638277A/en not_active Expired - Lifetime
-
1986
- 1986-09-02 ZA ZA866662A patent/ZA866662B/xx unknown
- 1986-09-02 AU AU62111/86A patent/AU598745B2/en not_active Ceased
- 1986-09-05 CA CA000517559A patent/CA1251497A/en not_active Expired
- 1986-09-11 NZ NZ217548A patent/NZ217548A/xx unknown
- 1986-09-26 PH PH34302A patent/PH23206A/en unknown
- 1986-09-30 KR KR1019860008191A patent/KR970002265B1/ko not_active Expired - Fee Related
- 1986-09-30 BR BR8604805A patent/BR8604805A/pt not_active IP Right Cessation
- 1986-10-01 DE DE8686307574T patent/DE3688033T2/de not_active Revoked
- 1986-10-01 JP JP61235455A patent/JPS6286632A/ja active Pending
- 1986-10-01 EP EP86307574A patent/EP0218470B1/en not_active Revoked
Also Published As
Publication number | Publication date |
---|---|
AU6211186A (en) | 1987-04-02 |
EP0218470A3 (en) | 1989-02-22 |
KR870004481A (ko) | 1987-05-09 |
NZ217548A (en) | 1988-08-30 |
JPS6286632A (ja) | 1987-04-21 |
US4638277A (en) | 1987-01-20 |
EP0218470A2 (en) | 1987-04-15 |
PH23206A (en) | 1989-06-06 |
DE3688033T2 (de) | 1993-07-01 |
EP0218470B1 (en) | 1993-03-17 |
CA1251497A (en) | 1989-03-21 |
AU598745B2 (en) | 1990-07-05 |
BR8604805A (pt) | 1987-06-30 |
DE3688033D1 (de) | 1993-04-22 |
ZA866662B (en) | 1987-04-29 |
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