[특허]Self-testing ground fault circuit interrupter

Self-testing ground fault circuit interrupter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01R-031/02 G01R-031/327 H02H-003/33
출원번호	US-0807136 (2015-07-23)
등록번호	US-10001526 (2018-06-19)
발명자 / 주소	Salas, Luis F.
출원인 / 주소	EATON INTELLIGENT POWER LIMITED
대리인 / 주소	Eckert Seamans
인용정보	피인용 횟수 : 0 인용 특허 : 37

초록 ▼

A circuit interrupter including a ground fault circuit interrupter circuit structured to detect a ground fault based on current flowing in line and neutral conductors of the circuit interrupter, a ground fault circuit interrupter monitor circuit structured to perform a self-test on the circuit interrupter to determine the functional status of the ground fault circuit interrupter, and a bridge circuit structured to harvest power from the line and neutral conductors and supply said harvested power to the ground fault circuit interrupter circuit and the ground fault circuit interrupter monitor circuit.

대표청구항 ▼

1. A circuit interrupter comprising: a ground fault circuit interrupter circuit structured to detect a ground fault based on current flowing in line and neutral conductors of the circuit interrupter;a ground fault circuit interrupter monitor circuit structured to perform a self-test on the circuit interrupter to determine the functional status of the ground fault circuit interrupter; anda bridge circuit structured to harvest power from the line and neutral conductors and supply said harvested power to the ground fault circuit interrupter circuit and the ground fault circuit interrupter monitor circuit;wherein the bridge circuit further comprises: a ground point;a supply point electrically connected to the ground fault circuit interrupter circuit and the ground fault circuit interrupter monitor circuit, wherein the bridge circuit is structured to supply said harvested power to the ground fault circuit interrupter circuit and the ground fault circuit interrupter monitor circuit via the supply point;a first diode electrically connected between the neutral conductor and the ground point;a second diode electrically connected between the neutral conductor and the supply point;a third diode electrically connected between the line conductor and the supply point; anda fourth diode electrically connected between the line conductor and the ground point;a first redundant diode electrically connected in parallel with the first diode and not electrically connected in parallel with any other diodes of the bridge circuit; anda second redundant diode electrically connected in parallel with the third diode and not electrically connected in parallel with any other diodes of the bridge circuit. 2. The circuit interrupter of claim 1, wherein the bridge circuit is electrically connected to the line and neutral conductors on a load side of the ground fault circuit interrupter circuit. 3. The circuit interrupter of claim 1, wherein the bridge circuit is structured to provide said harvested power to the ground fault circuit interrupter circuit and the ground fault circuit interrupter monitor circuit via the first redundant diode when the first diode fails. 4. The circuit interrupter of claim 1, wherein the bridge circuit is structured to provide said harvested power to the ground fault circuit interrupter circuit and the ground fault circuit interrupter monitor circuit via the second redundant diode when the third diode fails. 5. The circuit interrupter of claim 1, wherein the bridge circuit further comprises: a first current limiting resistor;a second current limiting resistor electrically connected in parallel with the first current limiting resistor,wherein a parallel combination of the first and second current limiting resistors is electrically connected in series with the second diode. 6. The circuit interrupter of claim 1, wherein the bridge circuit further comprises: a third current limiting resistor;a fourth current limiting resistor electrically connected in parallel with the third current limiting resistor,wherein a parallel combination of the third and fourth current limiting resistors is electrically connected between line conductor and the third diode. 7. The circuit interrupter of claim 1, wherein the bridge circuit further comprises: a fuse electrically connected in series with the fourth diode. 8. The circuit interrupter of claim 7, wherein the fuse is one of a fusible resistor and a fusible printed circuit board trace. 9. The circuit interrupter of claim 1, wherein the ground fault circuit interrupter circuit further comprises: a dropping resistor bank structured to receive the harvested power from the bridge circuit, the dropping resistor bank comprising: a first resistor;a second resistor electrically connected in parallel with the first resistor; anda third resistor electrically connected in series with a parallel combination of the first and second resistors. 10. The circuit interrupter of claim 1, wherein the ground fault circuit interrupter circuit further comprises: sensing transformers structured to sense the current flowing in the line and neutral conductors; andan integrated circuit structured to determine whether a ground fault has occurred. 11. The circuit interrupter of claim 10, wherein ground fault circuit interrupter monitor circuit is structured to determine the functional status of the integrated circuit. 12. The circuit interrupter of claim 1, wherein the ground fault circuit interrupter circuit further comprises: a solenoid;a sense coil; anda silicon controlled rectifier,wherein the ground fault circuit interrupter monitor circuit is structured to determine the functional status of the solenoid, the sense coil, and the silicon controlled rectifier. 13. The circuit interrupter of claim 1, wherein the ground fault circuit interrupter monitor circuit is structured to periodically perform the self-test on the circuit interrupter.

이 특허에 인용된 특허 (37)

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Richards,Jeffrey C.; Finlay, Sr.,David A.; Macbeth,Bruce F., Circuit protection device with grounded neutral half cycle self test.
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Macbeth, Bruce F., Circuit protection device with half cycle self test.
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Macbeth, Bruce F., Circuit protection device with half cycle self test.
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Finlay, Sr., David A.; Richards, Jeffrey C., Circuit protection device with timed negative half-cycle self test.
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Huang,Huadao; Huayang,Lu, Circuits for circuit interrupting devices having automatic end of life testing function.
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Baldwin, John R., Digital fault interrupter with self-testing capabilities.
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Radosavljevic, Dejan; Vought, Kenneth D.; Savicki, Jr., Gerald R.; Weeks, Richard; Wilson, Gary O., Electrical device with circuit protection component and light.
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Nemir David C. ; Hirsh Stanley S. ; Rubio Edward, Fail safe fault interrupter.
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Bergsj Nils-Johan (Vsters SEX) Drugge Birger (Vsters SEX) Liljestrand Lars (Vsters SEX) Schreurs Emile (Vsters SEX), Fault current limiter.
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Baldwin, John Richard; Batko, Thomas James; Ellison, David Francis; McDonald, Thomas Michael, Fault interrupter using microcontroller for fault sensing and automatic self-testing.
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Zaretsky, Albert; Bradley, Roger M., GFCI with self-test and remote annunciation capabilities.
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Armstrong, Bruce, Ground fault circuit interrupter (GFCI) monitor.
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Batko, Thomas James; Bonilla, Nelson; Yu, Daming; Youle, Robert William; Baldwin, John R., Ground fault circuit interruptor (GFCI) device having safe contact end-of-life condition and method of detecting same in a GFCI device.
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Irwin Lawrence F. (12860 San Fernando Rd. Sylmar CA 91342), Ground line fault interrupter adapter unit.
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Neiger Benjamin (New York NY) Gershen Bernard (Centerport NY) Rosenbaum Saul (East Meadow NY), Intelligent ground fault circuit interrupter.
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Neiger Benjamin ; Gershen Bernard ; Rosenbaum Saul, Intelligent ground fault circuit interrupter.
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Neiger Benjamin ; Gershen Bernard ; Rosenbaum Saul, Intelligent ground fault circuit interrupter.
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Kinsel, Hugh T.; Endozo, Joselito, Method and apparatus for supervisory circuit for ground fault circuit interrupt device.
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Kinsel, Hugh T.; Endozo, Joselito, Method and apparatus for supervisory circuit for ground fault circuit interrupt device.
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Radosavljevic,Dejan; Packard,Thomas N.; Macbeth,Bruce F., Protection device with lockout test.
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Radosavljevic,Dejan; Packard,Thomas N.; Macbeth,Bruce F., Protection device with lockout test.
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Richards, Jeffrey C.; Finlay, Sr., David A.; Macbeth, Bruce F., Protective device with automated self-test.
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Finlay, Sr., David A.; Packard, Thomas N.; Macbeth, Bruce F., Protective device with end-of-life indication before power denial.
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Radosavljevic, Dejan; Richards, Jeffrey C.; Morgan, Kent; Finlay, Sr., David A., Protective device with separate end-of-life trip mechanism.
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Kevelos, Adam; Ostrovsky, Michael; Aronov, Jr., Aleksandr, Reset lockout with grounded neutral test.
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Baldwin, John R.; Mortun, Sorin I.; Yu, Daming, Self testing digital fault interrupter.
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Baldwin,John R.; Bonilla,Nelson; DeBartolo, Jr.,Joseph; Lutz,David; Mortun,Sorin I.; Yu,Daming, Self testing digital fault interrupter.
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Ostrovsky, Michael; Kevelos, Adam, Self testing fault circuit apparatus and method.
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Baldwin,John R.; Yu,David; Bonilla,Nelson, Self testing ground fault circuit interrupter (GFCI).
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Baldwin, John R.; Fanzutti, Robert; Yu, Daming, Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) detection that rejects false EOL information.
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Baldwin, John R.; Fanzutti, Robert; Yu, Daming, Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) detection that rejects false EOL information.
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Bonilla,Nelson; Baldwin,John R.; Fanzutti,Robert; Yu,Daming; Batko,Thomas; Youle,Robert, Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) indicator, secondary power supply for EOL and self test circuitry, and device for opening line hot when EOL occurs.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Self-testing ground fault circuit interrupter 원문보기

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Self-testing ground fault circuit interrupter 원문보기

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이 특허에 인용된 특허 (37)

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