JP5768741B2 - 漏電遮断器 - Google Patents
漏電遮断器 Download PDFInfo
- Publication number
- JP5768741B2 JP5768741B2 JP2012043677A JP2012043677A JP5768741B2 JP 5768741 B2 JP5768741 B2 JP 5768741B2 JP 2012043677 A JP2012043677 A JP 2012043677A JP 2012043677 A JP2012043677 A JP 2012043677A JP 5768741 B2 JP5768741 B2 JP 5768741B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- leakage
- power
- current
- phase
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 18
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 8
- 238000009499 grossing Methods 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000005669 field effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
図1において、漏電遮断器100は、交流電路を開閉する開閉接点2と、交流電路1中に挿入された零相変流器3に接続され、その検出信号に基づいて漏電を検出する漏電検出回路12と、この漏電検出回路12の出力信号によりスイッチング素子13及び14を介して付勢される引き外しコイル15aとこの引き外しコイル15aの付勢時に開閉接点2を開離駆動する引き外し機構15bとを有した電磁石装置15と、漏電検出回路12と電磁石装置15の両方に給電する電源回路11とを有している。なお、この給電は、交流電路1から入力される交流電圧を所定の直流電圧に変換して行われる。
Vd=Vc−電界効果トランジスタ8aのON電圧
となり、前述した通り、Vcはツェナーダイオード8bのツェナー電圧なので、
Vd≒8bのツェナー電圧−8aのON電圧
となる。ここで、ON電圧を3V程度とし、ツェナー電圧を24V程度とすると、出力電圧Vdは21V程度となる。
6 ツェナーダイオード、7 平滑コンデンサ、8 降圧回路、
9 ツェナーダイオード、10 平滑コンデンサ、11 電源回路、
12 漏電検出回路、13・14 スイッチング素子、15 電磁石装置、
15a 引き外しコイル、15b 引き外し機構、51 ヒューズ、52 ダイオード、100 漏電遮断器。
Claims (2)
- 三相電路の3本の電力線が挿通され、上記三相電路の漏洩電流を検出する零相変流器と、この零相変流器で検出された信号のレベル判定を行う漏電検出回路と、この漏電検出回路の出力に応動して開閉機構部を作動させる電磁石装置と、上記開閉機構部の作動により開離される電路接点と、上記電力線に接続されこの電力線の交流電力を直流電力に変換する整流回路、及びこの整流回路の直流出力端に接続され上記漏電検出回路及び電磁石装置に動作電力を供給する降圧回路からなる電源回路とを備えた漏電遮断器において、
上記整流回路と上記電磁石装置の間にヒューズとダイオードを設け、上記整流回路に異常電流が流れたときに、この異常電流により上記ヒューズが溶断することで、上記異常電流が上記ダイオードを介して上記電磁石装置に流れるようにしたことを特徴とする漏電遮断器。 - 上記電磁石装置の応動がスイッチング素子によってなされ、かつ、このスイッチング素子が上記電源回路の次段に配設されていることを特徴とする請求項1に記載の漏電遮断器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012043677A JP5768741B2 (ja) | 2012-02-29 | 2012-02-29 | 漏電遮断器 |
KR1020120081708A KR101384422B1 (ko) | 2012-02-29 | 2012-07-26 | 누전 차단기 |
CN201210320490.4A CN103295852B (zh) | 2012-02-29 | 2012-08-31 | 漏电断路器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012043677A JP5768741B2 (ja) | 2012-02-29 | 2012-02-29 | 漏電遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013182680A JP2013182680A (ja) | 2013-09-12 |
JP5768741B2 true JP5768741B2 (ja) | 2015-08-26 |
Family
ID=49096546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012043677A Active JP5768741B2 (ja) | 2012-02-29 | 2012-02-29 | 漏電遮断器 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5768741B2 (ja) |
KR (1) | KR101384422B1 (ja) |
CN (1) | CN103295852B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6221844B2 (ja) * | 2014-03-06 | 2017-11-01 | 三菱電機株式会社 | 漏電遮断器 |
JP6237533B2 (ja) * | 2014-08-22 | 2017-11-29 | 三菱電機株式会社 | 漏電遮断器 |
WO2016067378A1 (ja) * | 2014-10-29 | 2016-05-06 | 三菱電機株式会社 | 漏電遮断器 |
JP2017156312A (ja) * | 2016-03-04 | 2017-09-07 | セイコーエプソン株式会社 | 角速度検出回路、角速度検出装置、電子機器及び移動体 |
JP6839813B2 (ja) * | 2016-12-20 | 2021-03-10 | パナソニックIpマネジメント株式会社 | 電路異常検出装置、及びそれを備える開閉器 |
KR101879340B1 (ko) | 2017-01-05 | 2018-07-17 | 엘에스산전 주식회사 | 3상전원 부족전압 트립장치 |
JP6681938B2 (ja) * | 2018-05-10 | 2020-04-15 | 株式会社ウスイ電業 | 低圧動力三相用ブレーカ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910004126Y1 (ko) * | 1989-02-15 | 1991-06-15 | 주식회사 대 륙 | 과전류 및 누전차단기 |
JP2000222998A (ja) * | 1999-01-29 | 2000-08-11 | Fuji Electric Co Ltd | 漏電しゃ断器 |
JP3712886B2 (ja) | 1999-04-23 | 2005-11-02 | 三菱電機株式会社 | 漏電遮断器及び地絡の検出方法 |
JP2000357446A (ja) * | 1999-06-15 | 2000-12-26 | Fuji Electric Co Ltd | 漏電遮断器及びその電子回路部 |
JP3096445U (ja) * | 2003-03-13 | 2003-09-19 | 慕山 ▲たん▼ | 3ピン−2ピン変換アダプタを具えた漏電警告装置 |
JP2005137095A (ja) * | 2003-10-29 | 2005-05-26 | Fuji Electric Fa Components & Systems Co Ltd | 直流電源回路およびこの直流電源回路を用いた漏電遮断器 |
JP4935455B2 (ja) * | 2007-03-27 | 2012-05-23 | 富士電機機器制御株式会社 | 漏電検出装置 |
JP2008269921A (ja) * | 2007-04-19 | 2008-11-06 | Mitsubishi Electric Corp | 漏電遮断器 |
JP4845910B2 (ja) * | 2008-03-17 | 2011-12-28 | 三菱電機株式会社 | 漏電遮断器 |
KR101162252B1 (ko) * | 2010-05-10 | 2012-07-09 | 김대상 | 전기 선로 및 부하의 이상 상황을 감지하는 전원 차단 장치 |
-
2012
- 2012-02-29 JP JP2012043677A patent/JP5768741B2/ja active Active
- 2012-07-26 KR KR1020120081708A patent/KR101384422B1/ko active IP Right Grant
- 2012-08-31 CN CN201210320490.4A patent/CN103295852B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN103295852A (zh) | 2013-09-11 |
KR20130099787A (ko) | 2013-09-06 |
JP2013182680A (ja) | 2013-09-12 |
KR101384422B1 (ko) | 2014-04-10 |
CN103295852B (zh) | 2015-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5768741B2 (ja) | 漏電遮断器 | |
US9397494B2 (en) | Electrical monitoring device and method for safeguarding the protective function of a type A residual current device (RCD) | |
US7791850B2 (en) | Ground fault circuit interrupter control circuit | |
JP2006302601A (ja) | 漏電遮断器 | |
JP2009095125A (ja) | 電源回路及びこの電源回路を用いた漏電遮断器 | |
CN105814782B (zh) | 用于借助于专用运行方法紧急运行多相电压转换器的电路装置 | |
JP4935455B2 (ja) | 漏電検出装置 | |
JP2007141562A (ja) | 漏電遮断器 | |
KR101610484B1 (ko) | 누전 차단기 | |
JP5310501B2 (ja) | 電子式漏電遮断器 | |
JP4424318B2 (ja) | 漏電遮断器 | |
EP2079140B1 (en) | Time fuse link current transformer trip system for circuit breaker | |
KR100501419B1 (ko) | 동작테스트 기능을 갖는 저압 1상용 과전압 누전차단기 | |
JP2008269921A (ja) | 漏電遮断器 | |
KR200440531Y1 (ko) | 누전 차단기 | |
JP2009048864A (ja) | 単3中性線欠相保護付き遮断器 | |
KR101522955B1 (ko) | 결상 보호 차단기 | |
JP5275069B2 (ja) | 非接地系交流回路における直流・交流回路地絡検出方法 | |
JP6610173B2 (ja) | 漏電遮断器 | |
JP3554675B2 (ja) | 漏電警報機能付回路遮断器及び漏電遮断器 | |
JP4716412B2 (ja) | 直流電源装置の過電流保護回路 | |
JP2008166187A (ja) | 三相漏電遮断器 | |
KR200392661Y1 (ko) | 결상인식 및 보호회로를 포함한 누전차단기 | |
JP2001314031A (ja) | 漏電遮断器 | |
KR20100124898A (ko) | 3상 전동기용 결상 보호 릴레이 회로 및 결상 경보 회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20140326 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140513 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150128 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150210 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150220 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150526 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150608 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5768741 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |