KR200342993Y1 - A sensing circuit Of circuit Breaker trip coil - Google Patents
A sensing circuit Of circuit Breaker trip coil Download PDFInfo
- Publication number
- KR200342993Y1 KR200342993Y1 KR20-2003-0036326U KR20030036326U KR200342993Y1 KR 200342993 Y1 KR200342993 Y1 KR 200342993Y1 KR 20030036326 U KR20030036326 U KR 20030036326U KR 200342993 Y1 KR200342993 Y1 KR 200342993Y1
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- KR
- South Korea
- Prior art keywords
- circuit
- disconnection
- circuit breaker
- operation coil
- breaker operation
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
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- 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
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
Abstract
본 고안은 전시설비에서 중대한 고장이 발생할 경우 고장 파급을 방지하기 위하여 고장 부분간에서 분리시키는 차단기의 동작코일 단선유무를 감지하여 차단기 동작코일이 단선된 경우 이를 외부로부터 표시할수 있도록 하는 차단기동작코일의 단선유무 감지회로에 관한 것으로, 본 발명으로 감지회로는 전원공급부, 차단기 동작스위치부 차단기 동작코일의 단선표시부로 구분되고 차단기 동작코일의 단선유무를 감지하여 동작코일이 단선되는 경우에 이를 사용자가 용이하게 확인할 수 있도록 표시하는 동작코일의 단선유무 감지회로를 제공하는데 목적이 있다.The present invention detects the presence of disconnection of the operation coil of the breaker that separates the failure parts in case of a major failure in the exhibition facility and detects the breaker operation coil from the outside when the breaker operation coil is disconnected. The present invention relates to a disconnection detection circuit, wherein the detection circuit is classified into a disconnection display unit of a power supply unit, a circuit breaker operation switch unit, and a circuit breaker operation coil, and detects the disconnection of the circuit breaker operation coil, thereby easily disconnecting the operation coil. It is an object of the present invention to provide a circuit for detecting the presence or absence of disconnection of an operation coil that can be displayed so that it can be confirmed.
Description
차단기는 전기설비의 안정적인 운영을 위하여 발전기와 전기설비와의 접속 또는 전시설비와 다른 전기설비와의 접속등을 수행하는 중요한 전기장치중의 하나이다. 따라서 상기 차단기는 전기설비에 중대한 고장이 발생하였을 경우 조작자의 조작 또는 보호 계전기신호에 의하여 고장구간을 분리하도록 하는 동작코일이 구비되어있다. 하지만 이러한 동작스위치를 통한 차단기의 정상동작 여부검사는 그동작 스위치를 조작하는 경우에만 확인할 수 있으므로 언제 어떻게 발생될지 모르는 차단기의 고장을 확인하기에는 문제점이 있었고 더욱이 이차단기가 정상적으로 동작되지 않은 경우에는 발생될 수 있는 전기적사고에 따른 파급 효과를 생각한다면 차단기의 신뢰도는 반드시 확보되어야 함에도 불구하고 종래의 차단기는 이를 효과적으로 확인할 수 있는 방법이 없었다.The breaker is one of the important electrical devices that performs the connection between the generator and the electrical equipment or the exhibition equipment and other electrical equipment for the stable operation of the electrical equipment. Therefore, the breaker is provided with an operation coil to separate the failure section by the operator's operation or the protective relay signal when a major failure occurs in the electrical equipment. However, the normal operation of the breaker through the operation switch can be checked only when the operation switch is operated. Therefore, there was a problem in confirming the breaker failure, which may or may not occur, and moreover, if the secondary breaker did not operate normally. Considering the ripple effect due to possible electrical accidents, although the reliability of the circuit breaker must be secured, the conventional circuit breaker has no method of verifying this effectively.
본 고안은 상기의 문제점을 해결하기 위하여 안출된 것으로 본 고안의 목적은 차단기 동작코일의 단선유무를 항상 감지하여 동작코일이 단선되는 경우에 이를 사용자가 용이하게 확인할 수 있도록 외부로 표시하는 차단기 동작코일의 단선유무 감지회로를 제공하는데 목적이 있으며, 외부전원으로부터 전원을 공급받아 차단기 동작코일 단선유무감지회로로 직류/교류 전원을 공급하는 전원공급부와 차단기 동작코일의 단선여부를 감지하기 위하여 차단기 동작코일 동작 스위치와 저항으로 이루어진 차단기 동작 스위치부 및 외부저항이 상기 차단기 동작 스위치부의 단선유무에 따라 외부로 통전 또는 부통전 상태를 나타내는 전류계로 이루어진 단선 표시부로 구성된 것을 특징으로 한다.The present invention was devised to solve the above problems, and the object of the present invention is to always detect the disconnection of the circuit breaker operation coil and to break the operation coil when the operation coil is disconnected so that the user can easily check the breaker operation coil It is to provide the disconnection detection circuit of circuit breaker, and the circuit breaker operation coil to detect the disconnection of the circuit breaker operation coil and the power supply that supplies DC / AC power to the circuit disconnection detection circuit. A breaker operation switch unit consisting of an operation switch and a resistor and an external resistance may be configured as a disconnection display unit including an ammeter indicating an energized or non-energized state to the outside depending on whether the breaker operation switch is disconnected.
도면1은 본 고안에 의한 차단기 동작코일의 단선유무 감지회로1 is a circuit breaker detection circuit of a circuit breaker operation coil according to the present invention.
도면2는 본고안에 의한 감지회로의 동작과정2 shows the operation of the sensing circuit according to the present invention.
※도면의 주요 부분에 대한 부호의 설명.※ Explanation of code for main part of drawing.
전원공급부(1), 차단기 동작 스위치부(5), 차단기 동작코일 동작스위치(2), 저항R1(3), 단선표시부(6)Power supply unit 1, circuit breaker operation switch unit 5, circuit breaker operation coil operation switch 2, resistor R1 (3), disconnection display unit 6
이하, 첨부된 도면을 참조하여 본 고안의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도면1은 본 고안의 실시예에 따른 차단기 동작코일의 단선유무 감지회로의 상세 회로도이다.1 is a detailed circuit diagram of a disconnection detection circuit of a circuit breaker operation coil according to an embodiment of the present invention.
도면1에 표시된 바와 같이, 본 고안에 따른 감지회로는 전원공급을 위한 전원공급부(1) AC/DC110V와, 자항R1과 병열로 연결하여 계통이상등으로 차단기 동작코일을 트립시킬 때 사용되는 차단기 동작코일 동작 스위치부로 구성된 차단기 동작 스위치부(5)와 상기 각부와 연결되어 차단기 동작코일의 단선유무를 외부로 나타내는 전류계로 이루어진 단선표시부(6)로 이루어진다.As shown in Figure 1, the sensing circuit according to the present invention is connected to the power supply unit (1) AC / DC110V, and self-resistance R1 for power supply circuit breaker operation used when tripping the circuit breaker operation coil due to a fault in the system A breaker operation switch unit 5 composed of a coil operation switch unit and a disconnection display unit 6 made of an ammeter connected to the respective parts to indicate the disconnection of the breaker operation coil to the outside.
상기전원공급부(1)는 외부의 전원공급장치로 부터 공급되는 전원을 AC/DC110V 로 차단기 동작코일 단선유무 감지회로의 각부에 공급하는 역할을 수행하는데, 본 고안에서의 상기 차단기 동작 스위치부(5)는 계통의 이상발생으로 필요시 차단기 동작코일을 트립시키고자 할 경우 사용되는 차단기 동작코일 동작스위치(2)와 차단기 동작코일 단선유무를 외부로 타나낼수 있도록 차단기 동작코일 단선유무 감지를 위하여 미세한 전류를 공급하기 위한 저항R1(3)로 구성되며 상기 단선표시부(6)는 전류계로 구성되어 상기차단기 동작스위치부(5)부터 유입되는 미세전류에 의해 전류계에 지시값을 나타내고 유입되는 전류가 없을 경우는 부통전에 따라 전류계의 지시값은 0mA로 지시하도록 구성되어 있는 것이다.The power supply unit 1 serves to supply power supplied from an external power supply device to each part of the circuit breaker operation coil disconnection detection circuit to AC / DC110V, the circuit breaker operation switch unit 5 of the present invention. ) Is a micro-current for detecting the breaker operation coil disconnection so that the breaker operation coil operation switch (2) and the breaker operation coil disconnection can be displayed to the outside due to abnormality of the system. Is composed of a resistor R1 (3) for supplying the circuit breaker, and the disconnection display unit 6 is configured as an ammeter to indicate an indication value to the ammeter by a micro current flowing from the breaker operation switch unit 5, and there is no current flowing therein. Is configured to indicate 0mA of reading of ammeter according to negative energization.
상기와 같이 구성된 본 고안의 구성요소에 의한 동작과정을 도면2에 의해 설명하면 다음과 같다.Referring to Figure 2 the operation process by the components of the present invention configured as described above are as follows.
먼저 차단기 동작코일(X1)이 정상적인 경우에는 전원공급부(1)가 외부전원으로부터 AC/DC110V로 변환시켜 차단기 동작 스위치부(5)등 회로에 공급하게 되면 상기 차단기 동작 스위치부(5)의 저항(3)과 차단기 동작코일의 저항이 직열로 연결되어 있기 때문에 차단기 동작코일 단선유무 감지회로에 약 10mA(측 오옴의 법칙에 의거)의 미세전류가 상기회로에 흐르게 되도록 되어 있다. 따라서 상기 미세전류에 의거 단선표시부(6)의 전류계는 항상 mA의 전류를 지시하고 있기 때문에 외부에서차단기 동작코일(X1)이 정상임을 확인할 수가 있게 되는 것이다. 그러나 차단기 동작코일 ((X1)이 단선되게 되면 전원공급부(1)로부터 공급되는 전원에 의해 차단기 동작스위치부(5)로 전류가 유입될 수 없는 회로가 개방상태로 되기 때문에 단선표시부(6)의 전류계가 부통전에 따라 0mA로 지시하여 외부에서 차단기 동작코일이 단선되었음을 알수 있게 되는 매우 간단하면서도 유용한 고안이라고 하겠다.First, when the breaker operation coil X1 is normal, when the power supply unit 1 converts AC / DC110V from an external power source and supplies it to a circuit such as the circuit breaker operation switch unit 5, the resistance of the circuit breaker operation switch unit 5 ( 3) and the resistance of the breaker operation coil are connected in series, so that a fine current of about 10 mA (based on the Ohm's law) flows in the circuit. Accordingly, since the ammeter of the disconnection display unit 6 always indicates a current of mA based on the microcurrent, it is possible to confirm that the circuit breaker operation coil X1 is normal. However, when the breaker operation coil (X1) is disconnected, the circuit which cannot flow current to the breaker operation switch part 5 by the power supplied from the power supply part 1 is in an open state. It is a very simple and useful design that indicates that the breaker operation coil is disconnected from the outside by indicating that the ammeter indicates 0 mA according to the negative current.
상술한 바와 같아, 본 고안에 따른 동작코일의 단선유뮤 감지회로는 차단기의 동작 스위치를 동작시키지 않고도 동작코일의 단선유무를 동작코일 단선표시부를 통하여 용이하게 확인하 수 있으며, 또한 종래의 차단기의 방법에 의한 차단 동작 스위치를 통하여도 차단기 동작코일의 단선유무를 확인할 수 있다.As described above, the disconnection existence detection circuit of the operation coil according to the present invention can easily check whether the operation coil is disconnected through the operation coil disconnection display unit without operating the operation switch of the circuit breaker, and also the conventional circuit breaker method. It is also possible to check whether the breaker operation coil is disconnected through the disconnection operation switch.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2003-0036326U KR200342993Y1 (en) | 2003-11-18 | 2003-11-18 | A sensing circuit Of circuit Breaker trip coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2003-0036326U KR200342993Y1 (en) | 2003-11-18 | 2003-11-18 | A sensing circuit Of circuit Breaker trip coil |
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| Publication Number | Publication Date |
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| KR200342993Y1 true KR200342993Y1 (en) | 2004-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR20-2003-0036326U KR200342993Y1 (en) | 2003-11-18 | 2003-11-18 | A sensing circuit Of circuit Breaker trip coil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100880443B1 (en) | 2005-01-13 | 2009-01-29 | 현대중공업 주식회사 | Solenoid coil supervision circuit for circuit breaker |
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2003
- 2003-11-18 KR KR20-2003-0036326U patent/KR200342993Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100880443B1 (en) | 2005-01-13 | 2009-01-29 | 현대중공업 주식회사 | Solenoid coil supervision circuit for circuit breaker |
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