KR970024471A - Surge Voltage Breaker Circuit - Google Patents

Surge Voltage Breaker Circuit Download PDF

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Publication number
KR970024471A
KR970024471A KR1019950034430A KR19950034430A KR970024471A KR 970024471 A KR970024471 A KR 970024471A KR 1019950034430 A KR1019950034430 A KR 1019950034430A KR 19950034430 A KR19950034430 A KR 19950034430A KR 970024471 A KR970024471 A KR 970024471A
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KR
South Korea
Prior art keywords
surge voltage
node
power supply
blocking
ground
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Application number
KR1019950034430A
Other languages
Korean (ko)
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KR100191621B1 (en
Inventor
서성일
Original Assignee
박정옥
한국안전시스템 주식회사
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Application filed by 박정옥, 한국안전시스템 주식회사 filed Critical 박정옥
Priority to KR1019950034430A priority Critical patent/KR100191621B1/en
Publication of KR970024471A publication Critical patent/KR970024471A/en
Application granted granted Critical
Publication of KR100191621B1 publication Critical patent/KR100191621B1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H03H2001/0092—Inductor filters, i.e. inductors whose parasitic capacitance is of relevance to consider it as filter

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  • Emergency Protection Circuit Devices (AREA)

Abstract

청구범위에 기재된 발명이 속한 기술분야는 서지전압에 의한 회로소손 방지회로, 발명이 해결하려고 하는 기술적 과제는 통신선이나 AC 전원선을 통해 기기로 유입되는 각종 외부의 서지 전압을 차단시켜 기기 소손을 방지하며, 통신선이나 AC 전원선의 서지전압이 기기로의 유입을 방지함에 있어 누전이나 접지점의 불완전성에 의해 서지전압이 유기되어 통신에 장애가 발생되는 경우를 방지하는 서지전압 차단회로를 제공한다. 발명의 해결방법의 요지는 전원공급장치와, 상기 전원공급장치으로부터 동작전원을 입력하는 통신기기에서 서지전압을 방지하는 회로는 접지노드 및 상기 접지노드와 연결된 어스를 구비한 접지부와, 임의의 한쌍의 교류전원선과 접속하여 상기 전원공급장치에 전원을 출력하고, 상기 서지전압을 구비하며, 상기 서지전압 검출시 상기 접지노드로 방전시키는 제1서지전압 차단부와, 상기 통신회선과 상기 접지부 및 상기 통신기기 사이에 위치하며, 상기 서지전압을 구비하며, 상기 서지전압 검출시 차단하는 제2서지전압 차단부로 구성한다. 발명의 중요한 용도는 전기, 전자기기에 서지전압이 유입되어 기기가 소손됨을 방지하기 위해 이를 구현한다.The technical field to which the invention described in the claims belongs is a circuit damage prevention circuit caused by a surge voltage, and the technical problem to be solved by the invention is to prevent the device burnout by blocking various external surge voltages flowing into the device through a communication line or an AC power line. In order to prevent the surge voltage of communication line or AC power line from flowing into the equipment, it provides a surge voltage blocking circuit that prevents the surge voltage induced by the short circuit or the incompleteness of the grounding point and the communication failure. SUMMARY OF THE INVENTION The present invention provides a circuit for preventing a surge voltage in a power supply device and a communication device for inputting operating power from the power supply device, the grounding part including a ground node and an earth connected to the ground node, and A first surge voltage cut-off unit connected to a pair of AC power lines to output power to the power supply device, having the surge voltage, and discharging to the ground node when the surge voltage is detected, the communication line and the ground unit And a second surge voltage blocking unit positioned between the communication device and having the surge voltage and blocking when the surge voltage is detected. An important use of the invention is to prevent surges from flowing into electrical and electronic devices to prevent damage to the device.

Description

서지전압 차단회로Surge Voltage Breaker Circuit

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

제1도는 일반적인 서지전압 차단회로의 개략적 블럭도,1 is a schematic block diagram of a general surge voltage blocking circuit,

제2도는 종래의 기술에 의한 서지전압 차단회로를 도시한 도면,2 is a view showing a surge voltage blocking circuit according to the prior art;

제3도는 본 발명에 의한 서지전압 차단회로를 도시한 도면.3 is a view showing a surge voltage blocking circuit according to the present invention.

Claims (5)

전원공급장치와, 상기 전원공급장치으로부터 동작전원을 입력하는 통신기기에서 서지전압을 방지하는 회로에 있어서, 접지노드 및 상기 접지노드와 연결된 어스를 구비한 접지수단과, 임의의 한쌍의 교류전원선과 접속하여 상기 전원공급장치에 전원을 출력하고, 상기 서지전압을 구비하며, 상기 서지전압 검출시 상기 접지노드로 방전시키는 제1서지전압 차단수단과, 상기 통신회선과 상기 접지수단 및 상기 통신기기 사이에 위치하며, 상기 서지전압을 구비하며, 상기 서지전압 검출시 차단하는 제2서지전압 차단수단으로 구성됨을 특징으로 하는 서지전압 차단회로.A circuit for preventing a surge voltage in a communication device for inputting operating power from the power supply, comprising: a grounding means having a ground node and an earth connected to the ground node, and any pair of AC power lines; A first surge voltage blocking means connected to output power to the power supply device, having the surge voltage, and discharging to the ground node when the surge voltage is detected, between the communication line, the ground means, and the communication device. And a surge voltage blocking means having the surge voltage and blocking the surge voltage when detecting the surge voltage. 제1항에 있어서, 상기 제1서지전압 차단수단이 제1교류전원전과 상기 전원공급장치 사이에 위치한 제1노드와, 제2교류전원선과 상기 전원공급장치 사이에 위치한 제2노드와, 상기 제1노드와 제3노드 사이에 위치하며, 상기 서지전압을 검출하는 제1검출수단과, 상기 제2노드와 상기 제3노드 사이에 위치하며, 상기 서지전압을 검출하는 제2검출수단과, 상기 제3노드와 상기 접지노드 사이에 위치하며, 상기 서지전압이 입력될 시 상기 접지노드로 방전하는 제1방전수단으로 구성됨을 특징으로 하는 서지전압 차단회로.The method of claim 1, wherein the first surge voltage blocking means comprises: a first node located between a first AC power supply and the power supply device, a second node located between a second AC power supply line and the power supply device, and the first node. First detection means positioned between one node and a third node and detecting the surge voltage, second detection means positioned between the second node and the third node and detecting the surge voltage; And a first discharge means disposed between a third node and the ground node and configured to discharge to the ground node when the surge voltage is input. 제2항에 있어서, 상기 제1노드와 상기 전원공급장치 사이에 위치하며, 고주파 성분을 제거하기 위한 제1코일과, 상기 제2노드와 상기 전원공급장치 사이에 위치하며, 고주파 성분을 제거하기 위한 제2코일이 더 포함됨을 특징으로 하는 서지전압 차단회로.3. The method of claim 2, wherein the first coil is positioned between the first node and the power supply, and the first coil is disposed between the second node and the power supply to remove the high frequency components. Surge voltage blocking circuit further comprises a second coil for. 제1항에 있어서, 상기 제2서지전압 차단수단이 제1통신회선과 연결된 제4노드 및 제2통신회선과 연결된 제5노드 및 상기 접지노드 사이에 위치하며, 상기 서지전압을 구비하여, 상기 서지전압 검출시 상기 접지노드로 방전하는 제2방전수단과, 상기 제4노드와 상기 통신기기 사이에 위치한 제6노드와, 상기 제5노드와 상기 통신기기 사이에 위치한 제7노드와, 상기 제5노드와 상기 제7노드 사이에 서지 전압 흡수용 저항인 부항 저항을 구비하며, 상기 제6노드와 상기 제7노드 사이에 위치하고, 상기 서지전압을 구비하여 상기 서지전압 검출시 상기 부하저항으로 재차 방전하는 제3방전수단으로 구성됨을 특징으로 하는 서지전압 차단회로.The method of claim 1, wherein the second surge voltage blocking means is located between the fourth node connected to the first communication line and the fifth node connected to the second communication line and the ground node, and the surge voltage is provided. Second discharge means for discharging to the ground node upon detection of a surge voltage, a sixth node located between the fourth node and the communication device, a seventh node located between the fifth node and the communication device, and A negative resistance, which is a resistor for absorbing a surge voltage, is provided between the fifth node and the seventh node, and is located between the sixth node and the seventh node, and provided with the surge voltage to detect the surge voltage again. A surge voltage interrupting circuit comprising: a third discharge means for discharging. 제4항에 있어서, 상기 제4노드와 상기 제6노드 사이에 위치하며, 고주파 성분을 제거하기 위한 제3코일과, 상기 제5노드와 상기 부하저항 사이에 위치하며, 고주파 성분을 제거하기 위한 제4코일이 더 포함됨을 특징으로 하는 서지전압 차단회로.The method of claim 4, wherein the third coil is positioned between the fourth node and the sixth node, and is disposed between the third coil and the fifth node to remove the high frequency component. Surge voltage blocking circuit further comprises a fourth coil. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950034430A 1995-10-07 1995-10-07 Surge voltage intercept circuit KR100191621B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950034430A KR100191621B1 (en) 1995-10-07 1995-10-07 Surge voltage intercept circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950034430A KR100191621B1 (en) 1995-10-07 1995-10-07 Surge voltage intercept circuit

Publications (2)

Publication Number Publication Date
KR970024471A true KR970024471A (en) 1997-05-30
KR100191621B1 KR100191621B1 (en) 1999-06-15

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Application Number Title Priority Date Filing Date
KR1019950034430A KR100191621B1 (en) 1995-10-07 1995-10-07 Surge voltage intercept circuit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010077119A (en) * 2000-01-31 2001-08-17 이종수 Surge Protection Circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101090127B1 (en) 2011-09-09 2011-12-07 주식회사 그라운드 Equipotential earthing device
KR101436512B1 (en) 2014-02-27 2014-09-02 주식회사 그라운드 Surge protection apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010077119A (en) * 2000-01-31 2001-08-17 이종수 Surge Protection Circuit

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