KR100469367B1 - safety system for draw out type air circuit breaker - Google Patents

safety system for draw out type air circuit breaker Download PDF

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Publication number
KR100469367B1
KR100469367B1 KR10-2002-0014136A KR20020014136A KR100469367B1 KR 100469367 B1 KR100469367 B1 KR 100469367B1 KR 20020014136 A KR20020014136 A KR 20020014136A KR 100469367 B1 KR100469367 B1 KR 100469367B1
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KR
South Korea
Prior art keywords
circuit breaker
air circuit
cradle
type air
breaker
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Application number
KR10-2002-0014136A
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Korean (ko)
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KR20030075040A (en
Inventor
강대호
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엘지산전 주식회사
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Priority to KR10-2002-0014136A priority Critical patent/KR100469367B1/en
Publication of KR20030075040A publication Critical patent/KR20030075040A/en
Application granted granted Critical
Publication of KR100469367B1 publication Critical patent/KR100469367B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/52Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism

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  • Breakers (AREA)

Abstract

본 발명은 송,배전 선로상에 설치되어 사용되는 산업용 전기기기인 인출형 기중차단기의 안전장치에 관한 것으로, 보다 상세하게는 인출형 기중차단기가 운전위치(인입위치)에 있을 때 동작중의 충격에 의한 차단기의 유동을 방지하여 차단기의 안전사고를 사전에 예방할 수 있도록 한 것이다.The present invention relates to a safety device of a drawer type air circuit breaker, which is an industrial electric device installed and used on a transmission and distribution line, and more specifically, an impact during operation when the drawer type air circuit breaker is in an operating position (retraction position). By preventing the flow of the circuit breaker to prevent the safety accident of the circuit breaker in advance.

본 발명은 기중차단기를 크래들내에 이동 가능하게 설치한 것에 있어서, 상기 기중차단기가 운전위치에 있을 때 기중차단기의 상부 위치에서 기중차단기의 상방향 움직임을 구속하는 고정블럭을 상기 크래들에 설치하여서 된 것을 특징으로 하는 인출형 기중차단기의 안전장치이다.According to the present invention, the cradle is movable in the cradle, and the cradle is provided with a fixed block for restraining the upward movement of the crane at the upper position of the crane when the crane is in the operating position. It is a safety device of drawer type air circuit breaker.

Description

인출형 기중차단기의 안전장치{safety system for draw out type air circuit breaker}Safety system for draw out type air circuit breaker

본 발명은 송,배전 선로상에 설치되어 사용되는 산업용 전기기기인 인출형기중차단기의 안전장치에 관한 것으로, 보다 상세하게는 인출형 기중차단기가 운전위치(인입위치)에 있을 때 동작중의 충격에 의한 차단기의 유동을 방지하여 안전사고를 사전에 예방할 수 있도록 한 것이다.The present invention relates to a safety device of a draw-out type air circuit breaker, which is an industrial electric device installed and used on a transmission and distribution line, and more specifically, an impact during operation when the draw type air circuit breaker is in a driving position (retracted position). By preventing the flow of the breaker by the safety accident to be prevented in advance.

일반적으로 기중차단기는 배전반내에 수납되어 넓은 범위의 전압등급에서 사용되며, 정상부하시 정격전류를 통전시키고 선로상에 사고전류가 발생하면 전류의 흐름을 차단시킴과 동시에 아크(Arc)를 기중(氣中)에서 소호시켜 신속하게 회로를 분리시키는 역할을 수행한다.Generally, air circuit breakers are housed in switchboards and are used in a wide range of voltage classes.In case of a normal load, the air circuit breaker conducts rated current, and when an accident current occurs on the line, it blocks the flow of current and lifts the arc. ) To quickly disconnect the circuit.

또한 기중차단기는 크래들(Cradle)에 인입된 상태로 사용되며, 기중차단기를 크래들의 레일에 올려놓고 핸들을 회전시키면 기중차단기가 이동하여 운전위치(인입위치)나 시험위치 또는 인출위치에 위치된다.In addition, the air circuit breaker is used in the cradle (Cradle) in the state, put the air circuit breaker on the rail of the cradle and rotate the handle when the air circuit breaker is moved to the operating position (inlet position) or test position or withdrawal position.

도 1은 크래들(2)에 설치된 기중차단기(1)가 운전위치에 있는 상태로 도시한 측면도로서, 종래에는 기중차단기(1)가 운전위치에 있을 때 충격에 의해 기중차단기의 유동하는 것을 방지하기 위한 장치가 없었기 때믄에 동작중인 기중차단기(1)에 충격이 가해지면 도 1에 일점쇄선으로 도시한 바와 같이 기중차단기(1)에 유동이 발생하게 된다.1 is a side view showing the air circuit breaker 1 installed in the cradle 2 in a driving position, which is conventionally used to prevent the air circuit breaker from flowing by impact when the air circuit breaker 1 is in the operating position. When there is no device for the impact is applied to the air circuit breaker 1 in operation as shown by the dashed-dotted line in Figure 1 flow will occur in the air circuit breaker (1).

또한 상기와 같이 기중차단기에 유동이 발생하면 단락사고의 원인이 되어 안전사고를 유발하는 문제가 있다.In addition, if the flow occurs in the air circuit breaker as described above is a cause of a short circuit accident there is a problem causing a safety accident.

본 발명의 목적은 기중차단기가 운전위치에서 동작중일 때에는 차단기에 충격이 가해지는 경우에도 차단기가 유동하지 않도록 하는 인출형 기중차단기의 안전장치를 제공하기 위한 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a safety device of a pull-out type air circuit breaker such that the breaker does not flow even when an impact is applied to the breaker when the air circuit breaker is operating in the operating position.

상기와 같은 목적을 달성하기 위한 본 발명의 실시예에 따라 기중차단기를 크래들내에 이동 가능하게 설치한 것에 있어서, 상기 기중차단기가 운전위치에 있을 때 기중차단기의 상부 위치에서 기중차단기의 상방향 움직임을 구속하는 고정블럭을 상기 크래들에 설치하여서 된 것을 특징으로 하는 인출형 기중차단기의 안전장치가 제공된다.According to an embodiment of the present invention for achieving the above object, in the cradle movably installed in the cradle, when the air circuit breaker in the operating position, the upward movement of the air circuit breaker in the upper position of the air circuit breaker Provided is a safety device for a pull-out air circuit breaker, characterized in that the restraining fixed block is installed on the cradle.

도 1은 종래 인출형 차단기가 크래들내에 인입된 상태로 도시한 측면도1 is a side view showing a conventional pull-out circuit breaker retracted in the cradle;

도 2 내지 도 4는 본 발명을 나타낸 측면도로서2 to 4 are side views showing the present invention

도 2는 기중차단기가 인출위치에 있는 상태도2 is a state in which the air circuit breaker is in the withdrawal position

도 3은 기중차단기가 시험위치에 있는 상태도3 is a state diagram of the air circuit breaker in the test position

도 4는 기중차단기가 운전위치에 있는 상태도4 is a state diagram of the air circuit breaker in the operating position

도 5와 도 6은 본 발명을 나타낸 사시도로서5 and 6 are perspective views showing the present invention

도 5는 기중차단기가 고정블럭에서 벗어나 있는 상태도5 is a state in which the breaker is out of the fixed block

도 6은 기중차단기가 고정블럭에 의해 구속되어 있는 상태도6 is a state in which the air circuit breaker is restrained by the fixed block

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

1 : 기중차단기 2 : 크래들1: crane breaker 2: cradle

3 : 고정블럭3: fixed block

도 2 내지 도 4는 본 발명의 장치가 적용된 크래들에 기중차단기가 인입된 상태로 도시한 측면도로서, 기중차단기가 각각 인출위치, 시험위치, 운전위치에 있는 상태를 도시하였다.2 to 4 is a side view showing the air circuit breaker is retracted in the cradle to which the device of the present invention is applied, showing the state that the air circuit breaker is in the withdrawal position, test position, operating position, respectively.

기중차단기(1)를 인출위치에서 크래들(2)의 레일에 올려놓고 핸들을 회전시키면 기중차단기(1)가 시험위치 또는 운전위치로 이동된다.When the air circuit breaker 1 is placed on the rail of the cradle 2 at the withdrawal position and the handle is rotated, the air circuit breaker 1 is moved to the test position or the operation position.

상기 크래들(2)에는 고정블럭(3)이 고정되어 있으며, 상기 고정블럭(3)은 기중차단기(1)가 운전위치에 있을 때 기중차단기(1)의 상부에 위치하여 기중차단기(1)의 상방향 움직임을 구속하고 차단기가 시험위치나 인출위치에 있을 때는 기중차단기(1)의 상부로부터 벗어나는 위치에 설치되어 있다.A fixed block 3 is fixed to the cradle 2, and the fixed block 3 is positioned above the air circuit breaker 1 when the air circuit breaker 1 is in the operating position. It is installed at a position deviating from the top of the air circuit breaker (1) when restraining upward movement and the breaker is in the test position or the withdrawal position.

또한 상기 고정블럭(3)은 "ㄱ"자형의 절곡된 형상으로 되어 있고 차단기가 운전위치에 오면 고정블럭의 수평부가 차단기의 상면에 근접하여 기중차단기(1)의 상방향 움직임을 구속하게 된다.In addition, the fixed block (3) is a bent shape of the "b" shape and when the breaker is in the operating position the horizontal portion of the fixed block closes the upper surface of the breaker to restrain the upward movement of the air circuit breaker (1).

따라서 도 2와 같이 기중차단기(1)가 인출위치에 있을 때나 도 3과 같이 기중차단기(1)가 시험위치에 있을 때에는 고정블럭(3)이 기중차단기(1)의 상부로 부터 벗어나 기중차단기(1)가 유동가능한 상태로 되지만, 도 4와 같이 기중차단기(1)가 운전위치에 있을 때에는 크래들(1)에 설치된 고정블럭(3)이 기중차단기(1)의 상부에 위치하여 기중차단기(1)의 상방향 움직임을 구속하게 되므로 차단기에 충격이 가해지는 경우에도 차단기는 유동하지 않게 된다.Therefore, when the air circuit breaker 1 is in the withdrawal position as shown in FIG. 2 or when the air circuit breaker 1 is in the test position as shown in FIG. 3, the fixed block 3 moves away from the upper portion of the air circuit breaker 1. 1) is in a flowable state, but as shown in FIG. 4, when the air circuit breaker 1 is in the operating position, the fixed block 3 installed in the cradle 1 is positioned above the air circuit breaker 1 so that the air circuit breaker 1 Since the upward motion of the circuit breaker is restrained, the breaker does not flow even when the breaker is impacted.

본 발명은 기중차단기가 운전위치에 있을 때에는 차단기에 충격이 가해지는 경우에도 크래들에 설치된 고정블럭에 의해 차단기가 유동하지 않게 되므로 차단기의 유동으로 인한 단락사고를 사전에 예방할 수 있고 사용자에게 안전성을 제공할 수 있게 된다.According to the present invention, when the breaker is in the operating position, the breaker does not flow by the fixed block installed in the cradle even when an impact is applied to the breaker, thereby preventing a short circuit accident due to the flow of the breaker and providing safety to the user. You can do it.

Claims (1)

기중차단기를 크래들내에 이동 가능하게 설치한 것에 있어서,In the case where the air circuit breaker is movable in the cradle, 상기 기중차단기가 운전위치에 있을 때 기중차단기의 상부 위치에서 기중차단기의 상방향 움직임을 구속하는 고정블럭을 상기 크래들에 설치하여서 된 것을 특징으로 하는 인출형 기중차단기의 안전장치.And a fixed block on the cradle for restraining upward movement of the air circuit breaker at the upper position of the air circuit breaker when the air circuit breaker is in the operating position.
KR10-2002-0014136A 2002-03-15 2002-03-15 safety system for draw out type air circuit breaker KR100469367B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2002-0014136A KR100469367B1 (en) 2002-03-15 2002-03-15 safety system for draw out type air circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2002-0014136A KR100469367B1 (en) 2002-03-15 2002-03-15 safety system for draw out type air circuit breaker

Publications (2)

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KR20030075040A KR20030075040A (en) 2003-09-22
KR100469367B1 true KR100469367B1 (en) 2005-02-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06296310A (en) * 1993-02-09 1994-10-21 Fuji Electric Co Ltd Guide rail of draw-out type electric apparatus
KR19980056143U (en) * 1997-01-07 1998-10-15 이종수 Drawing device of high voltage breaker
KR200228467Y1 (en) * 2001-01-13 2001-06-15 엘지산전주식회사 safety device for withdrawal in air circuit breaker
JP2001218315A (en) * 2000-02-04 2001-08-10 Fuji Electric Co Ltd Drawing circuit-breaker
KR20010086636A (en) * 2000-02-19 2001-09-15 이종수 auto connector of a vacuum circuit breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06296310A (en) * 1993-02-09 1994-10-21 Fuji Electric Co Ltd Guide rail of draw-out type electric apparatus
KR19980056143U (en) * 1997-01-07 1998-10-15 이종수 Drawing device of high voltage breaker
JP2001218315A (en) * 2000-02-04 2001-08-10 Fuji Electric Co Ltd Drawing circuit-breaker
KR20010086636A (en) * 2000-02-19 2001-09-15 이종수 auto connector of a vacuum circuit breaker
KR200228467Y1 (en) * 2001-01-13 2001-06-15 엘지산전주식회사 safety device for withdrawal in air circuit breaker

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