KR20030068842A - interlock device of breaker and door in switch board - Google Patents

interlock device of breaker and door in switch board Download PDF

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Publication number
KR20030068842A
KR20030068842A KR1020020008492A KR20020008492A KR20030068842A KR 20030068842 A KR20030068842 A KR 20030068842A KR 1020020008492 A KR1020020008492 A KR 1020020008492A KR 20020008492 A KR20020008492 A KR 20020008492A KR 20030068842 A KR20030068842 A KR 20030068842A
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South Korea
Prior art keywords
breaker
door
interlock lever
interlock
door handle
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KR1020020008492A
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Korean (ko)
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KR100463609B1 (en
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박창용
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엘지산전 주식회사
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Priority to KR10-2002-0008492A priority Critical patent/KR100463609B1/en
Publication of KR20030068842A publication Critical patent/KR20030068842A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/127—Withdrawal mechanism
    • H02B11/133—Withdrawal mechanism with interlock
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Patch Boards (AREA)

Abstract

PURPOSE: An interlock device is provided to be capable of interlocking a breaker and a door by a mechanical structure. CONSTITUTION: A door handle(12) is installed at a door(11) of a breaker room, and a connection part(13) is fixed at a rear stage of the door handle. An interlock lever(15) is installed to be rotated in the breaker room. One end of the interlock lever is fitted in a groove of the connection part when a breaker is placed at an incoming position so as to control a rotation of the door handle. A curved part(15a) is formed at one side of the interlock lever so as to be fitted in the groove of the connection part, and a breaker contact part(15b) is formed at the other side thereof so that the interlock lever rotates in a locking direction when the breaker is placed at the incoming position.

Description

배전반의 차단기와 도어 인터록장치{interlock device of breaker and door in switch board}Interlock device of breaker and door in switch board

본 발명은 배전반 내에 수납된 차단기가 인입위치(동작 위치)에 있을 때 배전반의 도어가 열리지 않도록 하여 주는 안전장치인 차단기와 도어의 인터록(Interlock)장치에 관한 것으로, 보다 상세하게는 도어를 기계적인 구조에 의헤 인터록할 수 있는 장치에 관한 것이다.The present invention relates to an interlock device of a breaker and a door that is a safety device that prevents the door of the switchboard from being opened when the breaker housed in the switchboard is in a retracted position (operation position). A device can be interlocked by structure.

일반적으로 수,배전반은 산업용 전력을 사용자에게 안전하게 공급해주는 전기용 설비로서, 배전반 내에는 차단기를 포함한 각종 전기기기가 안전하게 절연처리 된 상태로 수납되어 있고 전면에는 도어가 설치되어 있다.In general, the male and female switchboards are electrical equipments that supply industrial power to users safely. In the switchboards, various electrical devices including breakers are stored in a state of being safely insulated, and doors are installed in the front.

또한 배전반 내에 설치된 차단기는 동작위치인 인입위치와 비동작위치(시험위치)인 인출위치 사이에서 인,입출 구동을 하게 되는데, 이러한 배전반에서 차단기가 인입위치에 있을 때 도어가 열리면 고압의 전류에 의해 사용자 등에게 위험이 초래되므로 배전반에는 차단기가 인입위치에 있을 때 도어가 열리지 못하도록 하는 안전장치가 구비되어 있다.In addition, the breaker installed in the switchboard is driven in and out between the pull-in position, which is the operating position and the pull-out position, which is the non-operating position (test position). When the breaker is in the pull-in position, the door is opened by a high voltage current. Since the danger to the user, the switchboard is equipped with a safety device to prevent the door from opening when the breaker is in the retracted position.

도 1과 도 2는 종래 배전반에 적용된 차단기와 도어 인터록장치를 나타낸 도면이다.1 and 2 are views illustrating a circuit breaker and a door interlock device applied to a conventional switchboard.

차단기실 도어(1)의 이면에 차단기(도시는 생략함)의 위치에 따라 접점이 연결되어 전기적으로 동작하는 솔레노이드 코일(5)이 설치되어 있고 도어 핸들(2)에는 걸림홈(4)이 있는 결합편(3)이 고정되어 있다.The solenoid coil 5 which is electrically operated by connecting the contact point according to the position of the breaker (not shown) is installed on the rear surface of the breaker chamber door 1, and the door handle 2 has a locking groove 4. The engaging piece 3 is fixed.

또한 솔레노이드 코일(5)과 결합편(3) 사이에는 솔레노이드 코일(5)의 동작에 따라 움직이면서 그 일단부가 결합편(3)의 걸림홈(4)으로 끼워져 결합되거나 걸림홈(4)과의 결합상태로 부터 해제되는 록킹레버(6)가 설치되어 있다.In addition, while the solenoid coil 5 and the engaging piece 3 moves in accordance with the operation of the solenoid coil 5, one end thereof is fitted into the engaging groove 4 of the engaging piece 3 or is engaged with the engaging groove 4. The locking lever 6 is released from the state.

상기와 같은 종래의 배전반은 차단기가 인입상태에 있을 때에는 솔레노이드 코일(5)의 접점이 연결되어 전원이 공급되고 도 1과 같이 록킹 레버(6)가 솔레노이드 코일(5)의 작동에 의해 도면상 하방으로 밀려나 록킹 레버(6)의 일측 끝단부가 결합편(3)의 걸림홈(4)으로 끼워져 결합편을 구속하게 되므로 사용자가 도어 핸들(2)을 돌려도 상기 도어 핸들(2)은 회전하지 않게 된다.In the conventional switchboard as described above, when the circuit breaker is in a retracted state, the contact of the solenoid coil 5 is connected to supply power, and as shown in FIG. 1, the locking lever 6 is lowered in the drawing by the operation of the solenoid coil 5. One side end of the locking lever 6 is inserted into the engaging groove 4 of the engaging piece 3 to restrain the engaging piece, so that the door handle 2 does not rotate even if the user turns the door handle 2. .

즉, 사용자는 도어(1)를 열 수 없게 된다.That is, the user cannot open the door 1.

한편 차단기가 인출위치로 이동하면 솔레노이드 코일(5)의 접점이 떨어져 전원공급이 중단되고 하방으로 밀려나 있던 록킹 레버(6)가 원위치로 상승하면서 그 일측 끝단부가 걸림홈(4)에서 빠져나와 도어핸들(2)이 회전 가능한 상태가 되므로 사용자는 도어핸들(2)을 회전시켜 도어(1)를 열 수 있게 된다.On the other hand, when the breaker moves to the withdrawal position, the contact of the solenoid coil 5 is cut off, the power supply is interrupted, and the locking lever 6 pushed downward is raised to its original position, and one end thereof is released from the locking groove 4, and the door handle Since the state (2) is rotatable, the user can open the door 1 by rotating the door handle 2.

그러나 상기와 같은 종래의 장치는 도어(1)의 인터록 동작이 솔레노이드 코일(5)의 전기적인 작동에 의해 이루어지는 구조이어서 수요자가 기계적 인터록장치를 요구할 때 이를 만족시킬 수 없었고, 그 구조가 복잡하여 유지 및 보수가 어려운 문제가 있다.However, the conventional apparatus as described above has a structure in which the interlock operation of the door 1 is performed by the electrical operation of the solenoid coil 5, so that it cannot satisfy the demand of the mechanical interlock device, and the structure remains complicated. And the problem is difficult to repair.

본 발명의 목적은 배전반의 차단기와 도어를 전기적으로 인터록시키는 종래장치와는 달리 차단기와 도어를 간단한 기계적 구조에 의해 인터록할 수 있는 장치를 제공하기 위한 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a device capable of interlocking a breaker and a door by a simple mechanical structure, unlike a conventional device which electrically interlocks a breaker and a door of a switchboard.

상기와 같은 목적을 달성하기 위한 본 발명의 실시예에 따라 차단기실 도어에 설치되고 후단에 결합편이 고정된 도어 핸들과, 상기 차단기실내에 회전가능하게 설치되고 차단기가 인입위치에 올 때 그 일측이 상기 결합편의 걸림홈으로 끼워져 도어 핸들의 회전을 구속하는 인터록 레버로 구성된 배전반의 차단기와 도어 인터록장치가 제공된다.According to an embodiment of the present invention for achieving the above object and the door handle is installed in the breaker chamber door and the engaging piece is fixed to the rear end, rotatably installed in the breaker chamber and the one side is when the breaker is in the retracted position There is provided a circuit breaker and a door interlock device of a switchboard comprising an interlock lever inserted into a locking groove of the coupling piece to restrict rotation of the door handle.

도 1은 종래 장치를 나타낸 도어핸들 부분의 배면도Figure 1 is a rear view of the door handle portion showing a conventional device

도 2는 종래 장치를 나타낸 도어핸들 부분의 측면도Figure 2 is a side view of the door handle portion showing a conventional device

도 3은 본 발명에 따른 차단기와 도어 인터록장치를 나타낸 배전반의 일부 평면도로서, 도어가 잠긴 상태도3 is a partial plan view of a switchboard showing a circuit breaker and a door interlock device according to the present invention, in which the door is locked.

도 4는 본 발명에 따른 차단기와 도어 인터록장치를 나타낸 배전반의 일부 평면도로서, 도어가 개방 가능한 상태도4 is a partial plan view of a switchboard showing a circuit breaker and a door interlock device according to the present invention.

도면의 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings

11 : 도어 12 : 도어 핸들11: door 12: door handle

13 : 결합편 14 : 브라켓13: combined piece 14: bracket

15 : 인터록 레버 15a : 절곡부15: interlock lever 15a: bent portion

15b : 차단기 접촉부 16 : 핀15b: breaker contact 16: pin

17 : 스프링17: spring

도 3과 도 4는 본 발명에 따른 차단기와 도어 인터록장치를 나타낸 배전반의 일부 평면도이다.3 and 4 are partial plan views of a switchgear showing a circuit breaker and a door interlock device according to the present invention.

도어(11)에 도어 핸들(12)이 설치되어 있고 상기 도어 핸들(12)의 후단에는 결합편(13)이 고정되어 있다.The door handle 12 is provided in the door 11, and the engaging piece 13 is fixed to the rear end of the door handle 12. As shown in FIG.

차단기실 내부의 브라켓(14)에는 인터록 레버(15)가 핀(16)으로 결합되어 상기 핀(16)을 중심으로 회전할 수 있게 되어 있으며, 인터록 레버(15)의 선단부에는 상기 인터록 레버(15)가 결합편의 걸림홈으로 끼워져 결합될 수 있도록 절곡부(15a)가 형성되어 있고 후단부에는 차단기(10)가 인입위치에 올 때 인터록 레버(15)가 잠금방향으로 회전될 수 있도록 차단기(10)와 접속하는 차단기 접촉부(15b)가 형성되어 있다.The interlock lever 15 is coupled to the pin 16 to the bracket 14 inside the breaker chamber so as to rotate about the pin 16, and the interlock lever 15 is provided at the front end of the interlock lever 15. Is bent (15a) is formed so that can be fitted into the engaging groove of the engaging piece and the rear end breaker 10 so that the interlock lever 15 can be rotated in the locking direction when the breaker 10 is in the retracted position. Is connected to the circuit breaker 15b.

그리고 상기 인터록 레버(15)의 일측에는 인터록 레버(15)에 항상 일방향(잠금 해제방향)의 회전력을 작용시키는 스프링(17)이 결합되어 있다.One side of the interlock lever 15 has a spring 17 coupled to the interlock lever 15 to exert a rotational force in one direction (lock release direction) at all times.

상기와 같이 된 본 발명 장치는 차단기(10)가 인입위치에 있을 때에는 도 1과 같이 인터록 레버(15)에 형성된 차단기 접촉부(15b)가 차단기(10)의 일측면에 접촉하여 있고 이와 같은 차단기(10)와의 접촉에 따라 인터록 레버(15)는 핀(16)을 중심으로 최대한 도면상 반시계방향으로 회전하여 일측 절곡부(15a)가 결합편(13)의 걸림홈으로 끼워져 있게 된다.In the device of the present invention as described above, when the breaker 10 is in the retracted position, the breaker contact portion 15b formed on the interlock lever 15 is in contact with one side of the breaker 10 as shown in FIG. 1. According to the contact with 10) the interlock lever 15 is rotated counterclockwise as much as possible about the pin 16 so that one side bent portion 15a is fitted into the engaging groove of the engaging piece 13.

따라서 결합편(13)은 인터록 레버(15)에 의해 구속되어 회전이 불가능하게 되고 결합편(13)과 일체형으로 된 도어 핸들(11)도 회전이 불가능하므로 도어(11)는 열리지 않게 된다.Therefore, the engaging piece 13 is constrained by the interlock lever 15 so that the rotation is impossible and the door handle 11 which is integral with the engaging piece 13 is also impossible to rotate so that the door 11 is not opened.

한편 상기와 같은 상태에서 도 2와 같이 차단기(10)가 인출위치로 이동되면 인터록 레버(15)의 일측에 형성된 차단기 접촉부(15b)가 차단기(10)와의 접촉상태로 부터 벗어남과 동시에 스프링(17)의 힘에 의해 인터록 레버(15)가 핀(16)을 중심으로 잠금 해제방향인 도면상 시계방향의 회전을 하여 일측 절곡부(15a)가 결합편(13)의 걸림홈에서 빠져나오게 되므로 사용자는 도어 핸들(12)을 돌려 도어(11)를 열 수 있게 되는 것이다.On the other hand, when the breaker 10 is moved to the withdrawal position as shown in FIG. 2 in the above state, the breaker contact portion 15b formed at one side of the interlock lever 15 is released from the contact state with the breaker 10 and the spring 17 Since the interlock lever 15 rotates clockwise in the drawing in the unlocking direction about the pin 16 by the force of), one side bent portion 15a is released from the engaging groove of the engaging piece 13. Will be able to open the door 11 by turning the door handle 12.

그리고 도 2와 같은 상태에서 차단기(10)를 인입위치로 이동시키면 전술한 바와 같이 인터록 레버(15)의 일측 차단기 접촉부(15b)가 차단기(10)와 접촉하게 되고 인터록 레버(15)는 스프링(17)을 인장시키면서 핀(16)을 중심으로 반시계방향의 회전을 하여 절곡부(15a)가 결합편(13)을 걸림홈으로 끼워지는 도 1의 상태로 환원되므로 도어(11)는 열리지 않게 된다.Then, when the breaker 10 is moved to the retracted position in the state as shown in FIG. 2, one side breaker contact part 15b of the interlock lever 15 comes into contact with the breaker 10, and the interlock lever 15 is a spring ( The door 11 is not opened because the bent portion 15a is returned to the state of FIG. 1 in which the bent portion 15a is fitted into the engaging groove 13 by rotating the counterclockwise rotation about the pin 16 while tensioning 17). do.

상기와 같이 본 발명은 기계적 구조에 의해 차단기와 도어를 인터록할 수 있으므로 솔레노이드 코일의 전기적 작동에 의해 도어를 인터록하는 종래의 장치에 비해 그 구조가 매우 간단해지고 유지 및 보수가 용이해지며, 기계적 장치를 원하는 다양한 고객의 요구에 대응할 수 있게 된다.As described above, the present invention can interlock the breaker and the door by the mechanical structure, and thus the structure is very simple and easy to maintain and repair, compared to the conventional device which interlocks the door by the electrical operation of the solenoid coil. Can respond to the needs of various customers who want to.

Claims (4)

차단기실 도어에 설치되고 후단에 결합편이 고정된 도어 핸들과,A door handle installed at the door of the breaker chamber and fixed at the rear end thereof; 상기 차단기실 내에 회전가능하게 설치되고 차단기가 인입위치에 올 때 그 일측이 상기 결합편의 걸림홈으로 끼워져 도어핸들의 회전을 구속하는 인터록 레버로 구성된 것을 특징으로 하는 배전반의 차단기와 도어 인터록장치.And an interlock lever rotatably installed in the breaker chamber, the interlock lever of which one side is inserted into the locking groove of the coupling piece to restrain the rotation of the door handle when the breaker is in the retracted position. 제 1 항에 있어서,The method of claim 1, 상기 인터록 레버의 일측에 결합편의 걸림홈으로 끼워지는 절곡부를 형성하고 다른 일측에는 차단기가 인입위치에 올 때 인터록 레버가 잠금방향으로 회전할 수 있도록 차단기 접촉부를 형성하여서 된 것을 특징으로 하는 배전반의 차단기와 도어 인터록장치.The breaker of the switchboard, characterized in that formed on the one side of the interlock lever is bent into the engaging groove of the engaging piece and the other side is formed a breaker contact to rotate the interlock lever in the locking direction when the breaker is in the inlet position And door interlocks. 제 1 항에 있어서,The method of claim 1, 상기 인터록 레버는 브라켓에 핀으로 회전가능하게 결합된 것을 특징으로 하는 배전반의 차단기와 도어 인터록장치.The interlock lever is a circuit breaker and door interlock device of the switchboard, characterized in that rotatably coupled to the bracket pin. 제 1 항에 있어서,The method of claim 1, 상기 인터록 레버에 인터록 레버를 잠금 해제방향으로 회전시키는 스프링을 연결하여서 된 것을 특징으로 하는 배전반의 차단기와 도어 인터록장치.And a spring interlocking device for connecting the interlock lever to a spring for rotating the interlock lever in the unlocking direction.
KR10-2002-0008492A 2002-02-18 2002-02-18 interlock device of breaker and door in switch board KR100463609B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100618568B1 (en) * 2004-09-03 2006-08-31 엘에스산전 주식회사 Rear door interlock apparatus of switchgear
CN102693864A (en) * 2011-03-22 2012-09-26 Ls产电株式会社 Door lock apparatus and circuit breaker
KR101699806B1 (en) * 2016-10-31 2017-01-25 주식회사 광명전기 door interlock apparatus preventing from electric shock accident by charging current or voltage when door of switchgear are open
KR20180026872A (en) * 2016-09-05 2018-03-14 현대일렉트릭앤에너지시스템(주) Interlock device of door of circuit breaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8603843A0 (en) * 1986-09-12 1988-03-13 Vyrmetoder Ab Process for purification of wastewater containing nitrate and / or nitrite
JP2601825B2 (en) * 1987-06-26 1997-04-16 株式会社東芝 Unit drawer for switchboard
US5963420A (en) * 1997-09-22 1999-10-05 Eaton Corporation Interlock bypass
DE19747987A1 (en) * 1997-10-30 1999-05-06 Asea Brown Boveri Security door locking system for control cabinets

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100618568B1 (en) * 2004-09-03 2006-08-31 엘에스산전 주식회사 Rear door interlock apparatus of switchgear
CN102693864A (en) * 2011-03-22 2012-09-26 Ls产电株式会社 Door lock apparatus and circuit breaker
KR20180026872A (en) * 2016-09-05 2018-03-14 현대일렉트릭앤에너지시스템(주) Interlock device of door of circuit breaker
KR101699806B1 (en) * 2016-10-31 2017-01-25 주식회사 광명전기 door interlock apparatus preventing from electric shock accident by charging current or voltage when door of switchgear are open

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