KR960043407A - Inrush current blocking resistance protection circuit - Google Patents

Inrush current blocking resistance protection circuit Download PDF

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Publication number
KR960043407A
KR960043407A KR1019950013610A KR19950013610A KR960043407A KR 960043407 A KR960043407 A KR 960043407A KR 1019950013610 A KR1019950013610 A KR 1019950013610A KR 19950013610 A KR19950013610 A KR 19950013610A KR 960043407 A KR960043407 A KR 960043407A
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KR
South Korea
Prior art keywords
power
inrush current
plug
relay
rectifier
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Application number
KR1019950013610A
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Korean (ko)
Inventor
송영식
Original Assignee
배순훈
대우전자 주식회사
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950013610A priority Critical patent/KR960043407A/en
Publication of KR960043407A publication Critical patent/KR960043407A/en

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  • Direct Current Feeding And Distribution (AREA)

Abstract

본 발명은 릴레이 및 시간지연형 릴레이구동수단을 이용하여 돌입전류차단용 저항의 사용시간이 소정시간경과되면 릴레이에 의해 전원공급동작이 행해지도록 하므로써 돌입전류차단용 저항을 보호함과 더불어 그 저항에 의한 전원손실을 방지하도록 된 돌입전류차단용 저항 보호회로를 제공하기 위한 것이다.The present invention protects the inrush current blocking resistance by providing a power supply operation by the relay when the use time of the inrush current blocking resistor has elapsed using a relay and a time delay type relay driving means. It is to provide a resistance protection circuit for inrush current blocking to prevent power loss caused by.

이를 위해 본 발명은, AC플러그(1)로부터 인가되는 교류전원을 직류전원으로 정류하는 정류부(10)와, 캐패시터(CI)를 통해 평활화된 상기 정류부(10)로부터의 직류전원을 입력받아 후단의 각 부하회로의 소정의 동작 전원을 출력하는 SMPS회로부(12)를 구비하고, 상기 AC플로그(1)와 정류부(10) 사이에는 상기 AC플러그(1)로부터 입력되는 전원중의 돌입전류를 차단하기 위한 저항(R1)이 접속되어 있는 전기기기의 전원공급회로에서, 상기 저항(R1)에 대해 병렬로 접속된 릴레이(RYC,RYS)와, 상기 AC플러그(1)로부터의 교류전원입력시간이 소정시간을 경과하게 되면 상기 릴레이(RYC,RYS)를 통해 소정의 교류전원이 상기 정류부(10)로 인가되도록 하는 릴레이구동부(18)로 구성되고, 상기 릴레이구동부(18)는 스텐바이전원생성용 정류기(16)로부터의 직류전원을 소정의 충전시정수를 기초로 충전하게 되는 충전시정수소자(R3,C2)와, 상기 충전시정수 소자(R3,C2)에 충전되는 충전량을 기초로 온/오프스위칭하는 스위칭소자로 구성된 것이다.To this end, the present invention, the rectifying unit 10 for rectifying the AC power applied from the AC plug (1) and the DC power from the rectifying unit (10) smoothed through the capacitor (CI) is received in the rear stage An SMPS circuit portion 12 for outputting predetermined operating power of each load circuit is provided, and the inrush current in the power input from the AC plug 1 is interrupted between the AC plug 1 and the rectifier 10. In the power supply circuit of the electric machine to which the resistor R1 is connected, a relay RRY and RYS connected in parallel with the resistor R1 and an AC power input time from the AC plug 1 are predetermined. When time passes, the relay driving unit 18 is configured to allow a predetermined AC power to be applied to the rectifying unit 10 through the relays RIC and RYS, and the relay driving unit 18 is a standby power generation rectifier. At the time of predetermined charge the DC power supply from (16) The charging time constant elements R3 and C2 to be charged based on an integer and a switching element to be switched on / off based on the charge amount charged to the charging time constant elements R3 and C2.

Description

돌입전류차단용 저항 보호회로Inrush current blocking resistance protection circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 따른 돌입전류차단용 저항 보호회로를 설명하기 위한 회로도이다.2 is a circuit diagram illustrating a resistance protection circuit for inrush current blocking according to the present invention.

Claims (3)

AC플러그(1)로부터 인가되는 교류전원을 직류전원으로 정류하는 정류부(10)와, 캐패시터(C1)를 통해 평활화된 상기 정류부(10)로부터의 직류전원을 입력받아 후단의 각 부하회로에 소정의 동작전원을 출력하는 SMPS회로부(12)를 구비하고, 상기 AC플러그(1)와 상기 정류부(10)사이에는 상기 AC플러그(1)로부터 입력되는 전원중의 돌입전류를 차단하기 위한 저항(R1)이 접속되어 있는 전기기기의 전원공급회로에 있어서, 상기 저항(R1)에 대해 병렬로 접속된 릴레이(RYC,RYS)와, 상기 AC플러그(1)로부터의 교류전원입력시간이 소정시간을 경과하게 되면 상기 릴레이(RYC,RYS)를 통해 소정의 교류전원이 상기 정류부(10)로 인가되도록 하는 릴레이구동부(18)로 구성된 것을 특징으로 하는 돌입전류차단용 저항보호회로.The rectifier 10 rectifies the AC power applied from the AC plug 1 into the DC power, and the DC power from the rectifier 10 smoothed through the capacitor C1 is input to each load circuit of the subsequent stage. A resistor (R1) for blocking an inrush current in the power input from the AC plug (1) between the AC plug (1) and the rectifier (10), and having an SMPS circuit portion (12) for outputting an operating power source. In the power supply circuit of the connected electric device, the relays RRY and RYS connected in parallel to the resistor R1 and the AC power input time from the AC plug 1 pass a predetermined time. And a relay driver 18 for applying a predetermined AC power to the rectifier 10 through the relay (RYC, RYS). 제1항에 있어서, 상기 릴레이구동부(18)는 스탠바이전원생성용 정류기(16)로부터의 직류전원을 소정의 충전시정수를 기초로 충전하게 되는 충전시정수소자(R3,C2)와, 상기 충전시정수소자(R3,C2)에 충전되는 충전량을 기초로 온/오프스위칭하는 스위칭소자로 구성된 것을 특징으로 하는 돌입전류차단용 저항 보호회로.The method of claim 1, wherein the relay driver 18 charges the DC power from the standby power generating rectifier 16 based on a predetermined charging time constant and the charging time constant device (R3, C2), Inrush current blocking resistance protection circuit, characterized in that consisting of a switching element on / off switching based on the charge amount charged in the time constant element (R3, C2). 제2항에 있어서, 상기 스위칭소자는 사이리스터(SCR)로 이루어진 것을 특징으로 하는 돌입전류차단용 저항 보호회로.The inrush current blocking resistance protection circuit according to claim 2, wherein the switching element is made of a thyristor (SCR). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950013610A 1995-05-29 1995-05-29 Inrush current blocking resistance protection circuit KR960043407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950013610A KR960043407A (en) 1995-05-29 1995-05-29 Inrush current blocking resistance protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950013610A KR960043407A (en) 1995-05-29 1995-05-29 Inrush current blocking resistance protection circuit

Publications (1)

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KR960043407A true KR960043407A (en) 1996-12-23

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KR1019950013610A KR960043407A (en) 1995-05-29 1995-05-29 Inrush current blocking resistance protection circuit

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100509477B1 (en) * 2002-09-19 2005-08-22 삼성전자주식회사 Arrangement and method for protecting circuit of switching mode power supply
US7619903B2 (en) 2005-10-28 2009-11-17 Samsung Electronics Co., Ltd. Switching mode power supply and a method of operating the power supply in a power save mode
KR100971890B1 (en) * 2008-02-25 2010-07-23 한국해양대학교 산학협력단 Low impedance arc discharge detection apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100509477B1 (en) * 2002-09-19 2005-08-22 삼성전자주식회사 Arrangement and method for protecting circuit of switching mode power supply
US7619903B2 (en) 2005-10-28 2009-11-17 Samsung Electronics Co., Ltd. Switching mode power supply and a method of operating the power supply in a power save mode
US7948777B2 (en) 2005-10-28 2011-05-24 Samsung Electronics Co., Ltd. Switching mode power supply and a method of operating the power supply in a power save mode
US8223510B2 (en) 2005-10-28 2012-07-17 Samsung Electronics Co., Ltd. Switching mode power supply and a method of operating the power supply in a power save mode
KR100971890B1 (en) * 2008-02-25 2010-07-23 한국해양대학교 산학협력단 Low impedance arc discharge detection apparatus

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