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KR880009406A - 자기 홀드백 회로를 갖는 회로차단기 - Google Patents

자기 홀드백 회로를 갖는 회로차단기 Download PDF

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Publication number
KR880009406A
KR880009406A KR1019880000249A KR880000249A KR880009406A KR 880009406 A KR880009406 A KR 880009406A KR 1019880000249 A KR1019880000249 A KR 1019880000249A KR 880000249 A KR880000249 A KR 880000249A KR 880009406 A KR880009406 A KR 880009406A
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KR
South Korea
Prior art keywords
core
circuit breaker
armature
latch portion
holdback
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Granted
Application number
KR1019880000249A
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English (en)
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KR0127766B1 (ko
Inventor
알버트 그러너트 컬트
알버트 므레나 스텝헨
파울 엘스워스 제임스
Original Assignee
에이. 미츠, 쥬니어
웨스팅하우스 일렉트릭 코오포레이숀
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Publication date
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Application filed by 에이. 미츠, 쥬니어, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 에이. 미츠, 쥬니어
Publication of KR880009406A publication Critical patent/KR880009406A/ko
Application granted granted Critical
Publication of KR0127766B1 publication Critical patent/KR0127766B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H73/48—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 having both electrothermal and electromagnetic automatic release
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H75/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/164—Heating elements
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2472—Electromagnetic mechanisms with rotatable armatures

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)

Abstract

내용 없음.

Description

자기 홀드백 회로를 갖는 회로차단기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명에 따른 다극회로 차단기의 종 단면도.
제 2 도는 제 1 도의 일부분을 도시한 확대 종 단면도.

Claims (8)

  1. 분리접점과 접점을 개방시키기 위해 래치부로 부터 비래치부로 이동하는 해제부재를 구비하는 회로차단기 메카니즘과 ; 해제부재의 래치부와 비래치부 사이로 이동하고 래치부에서 바이어스 되는 래치레버와 ; 래체레버를 비래치 하기 위해 이동하고 래치부에서 바이어스 되는 트립바와 ; 배전 시스템의 각 도체에 고정 자기 구조체를 구비하고 코어 및 제1코어 조립체와 아마튜어를 포함하는 트립 유니트와 ; 비래치부로 트립바를 이동시키기 위해 각각의 고정 자기 구조체와 결합하는 레버수단과 ; 아마튜어를 구비하고 적어도 하나의 도체내의 비정상 전류에 응답하여 코어로 이동하는 레버수단과 ; 코어의 일단부로 부터 연장하는 제1다리와 아마튜어의 운동방향에서 코어의 타단부로 부터 연장하고 코어와 아마튜어 사이에 자속밀도를 증가시키기 위해 아마튜어의 대항 측면의 제2다리를 포함하는 홀드백 브래킷과 ; 를 구비하는 홀드백 회로를 갖는 회로차단기에 있어서, 상기 코어는 아마튜어 길이만큼 이격된 제1 U형 다리를 갖는 U형 부재이고 소정의 과전류 상태에 응답하여 U형 다리로 이동하며, 홀드백 브래킷은 코어의 단부와 아마튜어를 지나 병행하게 연장하는 제2 U형 다리에 의해 코어에 설치되고 각각의 제2 U형 다리는 아마튜어에 인접한 굴곡진 플랜지를 가지며 자장선이 플랜지와 아마튜어를 통해서 순환하도록 서로 플랜지면에 굴곡진 것을 특징으로 하는 홀드백 회로를 갖는 회로차단기.
  2. 제1항에 있어서, 코어에 설치된 홀드백 브래킷은 코어로 부터 이격된 한쌍의 굴곡진 플랜지를 포함하고 아마튜어는 코어와 플랜지 사이에 배치된 것을 특징으로 하는 회로차단기.
  3. 제2항에 있어서, 플랜지 폭은 제2 U형 다리 폭의 약 1/2인 것을 특징으로 하는 회로차단기.
  4. 제3항에 있어서, 플랜지 혹은 제2 U형 다리폭의 3/8인 것을 특징으로 하는 회로차단기.
  5. 제4항에 있어서, 아마튜어는 약 0.020인치의 두께인 것을 특징으로 하는 회로차단기.
  6. 제1항에 있어서, 코어의 단면이 장방형인 것을 특징으로 하는 회로차단기.
  7. 제1항에 있어서, 각각의 코어와 아마튜어의 단면이 장방형인 것을 특징으로 하는 회로차단기.
  8. 제1항에 있어서, 아마튜어의 단면이 U형인 것을 특징으로 하는 회로차단기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880000349A 1987-01-15 1988-01-15 자기 홀드백 회로를 갖는 회로차단기 Expired - Lifetime KR0127766B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/003,531 US4725800A (en) 1987-01-15 1987-01-15 Circuit breaker with magnetic shunt hold back circuit
US003531 1987-01-15
US3531 1987-01-15

Publications (2)

Publication Number Publication Date
KR880009406A true KR880009406A (ko) 1988-09-15
KR0127766B1 KR0127766B1 (ko) 1998-04-02

Family

ID=21706305

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880000349A Expired - Lifetime KR0127766B1 (ko) 1987-01-15 1988-01-15 자기 홀드백 회로를 갖는 회로차단기

Country Status (12)

Country Link
US (1) US4725800A (ko)
EP (1) EP0276074B1 (ko)
JP (1) JP2759085B2 (ko)
KR (1) KR0127766B1 (ko)
AU (1) AU606369B2 (ko)
BR (1) BR8800064A (ko)
CA (1) CA1273039A (ko)
DE (1) DE3882240T2 (ko)
IN (1) IN169000B (ko)
MX (1) MX167490B (ko)
PH (1) PH24243A (ko)
ZA (1) ZA8821B (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963848A (en) * 1989-03-31 1990-10-16 Square D Company Non-jamming magnetic trip structure
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
US5414396A (en) * 1992-09-14 1995-05-09 Circuit Breaker Industries Limited Shunt trip device
US5294901A (en) * 1992-09-24 1994-03-15 General Electric Company Molded case circuit breaker insulated armature latch arrangement
US5381120A (en) * 1993-11-15 1995-01-10 General Electric Company Molded case circuit breaker thermal-magnetic trip unit
CN1041970C (zh) * 1994-02-28 1999-02-03 断路器工业有限公司 一种对脱扣电流敏感的分励脱扣装置
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
US6061217A (en) * 1997-12-16 2000-05-09 Eaton Corporation Electrical switching apparatus employing twice-energized trip actuator
US6157096A (en) * 1999-05-20 2000-12-05 Vinciguerra; John Neutral switched shunt trip emergency gas panel
US6744339B2 (en) * 2002-03-12 2004-06-01 General Electric Company Motor protection trip unit
US6972649B1 (en) * 2005-01-07 2005-12-06 General Electric Company Method and apparatus for shielding and armature from a magnetic flux

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2939929A (en) * 1957-08-22 1960-06-07 Gen Electric Electric circuit breaker
DE1886974U (de) * 1963-05-09 1964-02-06 Siemens Ag Elektromagnetisches relais.
FR2261615B1 (ko) * 1974-02-20 1978-12-01 Unelec
FR2452778A1 (fr) * 1979-03-30 1980-10-24 Telemecanique Electrique Percuteur a attraction et verrouillage magnetiques
US4719438A (en) * 1986-09-30 1988-01-12 Westinghouse Electric Corp. Circuit breaker with fast trip unit
JPH0815037A (ja) * 1994-06-27 1996-01-19 Sharp Corp 加熱調理器

Also Published As

Publication number Publication date
US4725800A (en) 1988-02-16
AU8290687A (en) 1988-07-21
KR0127766B1 (ko) 1998-04-02
EP0276074B1 (en) 1993-07-14
ZA8821B (en) 1988-08-31
DE3882240T2 (de) 1993-12-02
EP0276074A3 (en) 1988-11-02
MX167490B (es) 1993-03-25
IN169000B (ko) 1991-08-10
CA1273039A (en) 1990-08-21
JP2759085B2 (ja) 1998-05-28
DE3882240D1 (de) 1993-08-19
AU606369B2 (en) 1991-02-07
JPS63190227A (ja) 1988-08-05
BR8800064A (pt) 1988-08-09
PH24243A (en) 1990-05-04
EP0276074A2 (en) 1988-07-27

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