WO2020149488A1 - Module de mise à la terre de tableau de distribution isolé par l'air - Google Patents

Module de mise à la terre de tableau de distribution isolé par l'air Download PDF

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Publication number
WO2020149488A1
WO2020149488A1 PCT/KR2019/011697 KR2019011697W WO2020149488A1 WO 2020149488 A1 WO2020149488 A1 WO 2020149488A1 KR 2019011697 W KR2019011697 W KR 2019011697W WO 2020149488 A1 WO2020149488 A1 WO 2020149488A1
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WO
WIPO (PCT)
Prior art keywords
state
unit
opening
door
ground
Prior art date
Application number
PCT/KR2019/011697
Other languages
English (en)
Korean (ko)
Inventor
신혁수
Original Assignee
엘에스일렉트릭(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘에스일렉트릭(주) filed Critical 엘에스일렉트릭(주)
Priority to CN201980088974.0A priority Critical patent/CN113302809B/zh
Publication of WO2020149488A1 publication Critical patent/WO2020149488A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/075—Earthing arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/16—Earthing arrangements

Definitions

  • the present invention relates to a grounding module of the air-insulated switchboard, and more particularly, to a grounding module of the air-insulated switchboard that prevents the door from being opened when the main circuit is in a live state and is not grounded.
  • the air insulated switchgear uses the air as a medium to open and close the load in a transmission and distribution facility.
  • the air insulated switchboard also serves to quickly cut off the circuit in the event of abnormal operation of the transmission and distribution equipment.
  • the air-insulated switchboard includes a load breaker switch (LBS) and a circuit breaker (CB) for inputting or disconnecting the main circuit in a live state.
  • the air-insulated switchboard further includes an earth switch (ES) for maintaining the potential of the air-insulated switchboard at zero through earth in a state in which the main circuit is disconnected.
  • LBS load breaker switch
  • CB circuit breaker
  • ES earth switch
  • the grounding switch is a device to ensure the safety of the operator when the operator approaches for maintenance or repair of the air-insulated switchboard in the state where the main circuit is blocked through the load switch and breaker.
  • the present invention is an invention devised to solve the above-mentioned problems of the prior art, which makes it impossible to operate the ground switch while the main circuit is live, and can operate the load switch when grounded through the ground switch.
  • the purpose is to provide a grounding module that has been prevented.
  • the ground module of the present invention for achieving the above object may include a door, a first opening and closing unit, a lifting plate, an interlocking plate and a grounding unit.
  • the first opening/closing unit is provided on the door. And it is converted to the first state or the second state by an external input.
  • the lifting plate is movable to the first position when the first opening/closing unit is in the first state, and fixed to the second position when the first opening/closing unit is in the second state.
  • the interlocking plate moves depending on the movement of the lifting plate.
  • the grounding unit may be in an unoperable state when the elevating plate is in the second position, and may be converted into an operable state when the elevating plate is in the first position.
  • the first opening/closing unit includes a key operation unit in which an input member is inserted and a first state or a second state is selected by operation of the input member, a first rotational shaft and a first rotational axis rotated according to the operation of the input member It may be rotated together with the rotating shaft and may include a first blocking portion that contacts the interlocking plate to fix the interlocking plate when in the second state.
  • the input member may not be separated from the key operation unit in the first state.
  • the grounding unit includes a handle operation part that is closed by the interlocking plate when the elevating plate is in the second position, and is opened in an operable state by removing the interlocking plate when the elevating plate is in the first position,
  • the grounded state or the non-grounded state can be selected through the operation of the handle control unit.
  • the first opening/closing unit may be fixed to the first state when the handle operation unit is in the ground state.
  • the door may not be opened when the handle manipulation unit is in a non-grounded state.
  • the ground unit is a second rotating shaft that is rotated in a predetermined angle and direction when the handle operation unit is converted from a non-grounded state to a grounded state or when converted from a grounded state to a non-grounded state. Combined by a member, it rotates along the circumference of the second axis of rotation, and the other end is formed on the other end of the driven link and the follower link that performs a linear reciprocating motion. It includes.
  • the ground unit is coupled to the second rotating shaft and rotates together according to the rotation of the second rotating shaft, so that the door is not opened when not in the grounded state, and the door opening and closing lever is separated from the door when in the grounded state. It may include.
  • the grounding module of the present invention for solving the above problems can access the grounding unit only by operating the key operation unit with the input member to perform grounding, and prevents safety accidents because the door does not open when grounding is not achieved. There is.
  • the input member for manipulating the load opening and closing module has an effect of preventing the load opening and closing module from being operated when the ground switch is turned on because the grounding is not carried out.
  • FIG. 1 illustrates a switchboard to which a ground module is applied according to an embodiment of the present invention.
  • FIG 4 and 5 show the operating state of the first opening and closing unit in the ground module according to an embodiment of the present invention.
  • FIG 6 and 7 show the operating state of the ground unit in the ground module according to an embodiment of the present invention.
  • FIG. 8 is a view showing a state of the driven lever ascending according to the rotation of the second rotation shaft in the ground module according to an embodiment of the present invention.
  • ground module according to some embodiments of the present invention will be described.
  • FIG. 1 illustrates a switchboard to which a ground module is applied according to an embodiment of the present invention.
  • the ground module 100 can be applied to the air-insulated switchboard 1.
  • the switchboard 1 includes a load switch module 10 for adjusting the main circuit to a live or shorted state.
  • the load switch module 10 may change the main circuit to a live or short circuit state through an input member inserted into the load switch switch 12.
  • the input member may be a key, but is not limited to a specific shape or method.
  • the load opening and closing module 10 may be set as a live line or a short circuit only when a predetermined input member is inserted into the load opening and closing switch 12.
  • the key opening/closing switch 12 and the key operation unit 112 of the first opening/closing unit 110 to be described later are operated as one input member.
  • the switchboard according to the present invention includes a door 20 on the outside.
  • the door 20 blocks the ground module according to the present invention from the outside.
  • the door 20 can be opened in a predetermined operation or state, and the ground module according to the present invention can be operated while the door 20 is open.
  • the door 20 includes a handle insertion hole 22 and a first guide opening 24.
  • the handle insertion hole 22 is an opening that is opened or blocked by the interlocking plate 130 to be described later.
  • the first guide opening 24 provides a path through which the second opening/closing switch 122 to be described later moves.
  • the handle insertion hole 22 and the first guide hole 24 are each organically coupled with adjacent components. The handle insertion hole 22 and the first guide hole 24 will be described later in more detail while describing configurations related to each other.
  • the ground module 100 includes a door 20 of the switchboard 1, a first opening/closing unit 110, a lifting plate 120, and an interlocking plate 130. And a grounding unit 140.
  • the door 20 is an opening and closing means that can open the inside of the switchboard 1 to open the inside.
  • the door 20 may be formed on at least a part of the enclosure of the switchboard 1.
  • the first opening/closing unit 110 is provided on the door 20 and is converted to a first state or a second state by an external input.
  • the lifting plate 120 is movable to the first position when the first opening and closing unit 110 is in the first state, and is fixed to the second position when the first opening and closing unit 110 is in the second state.
  • the interlocking plate 130 moves depending on the movement of the elevating plate 120.
  • the grounding unit 140 becomes inoperable when the elevating plate 120 is in the second position, and is converted into an operable state when the elevating plate 120 is in the first position.
  • the first opening/closing unit 110 is provided on the door 20 to manipulate the opening and closing of the door 20.
  • the first opening and closing unit 110 includes a key operation unit 112 that is partially exposed to the outside of the door 20.
  • the above-described input member may be inserted into the key operation unit 112, and when a predetermined input member is inserted, it is possible to select open or closed through rotation of the input member.
  • the external input for operating the first opening/closing unit 110 is an input member. After the input member is inserted into the key operation unit 112 and rotates in a predetermined direction, the first opening/closing unit 110 may be set to a first state or a second state.
  • the first state is defined as an open state and the second state is defined as a closed state.
  • the first rotation shaft 114 rotates together with the input member in the inner space of the door 20.
  • the first rotational shaft 114 includes a first blocking portion 116 and a second blocking portion 118 whose bending or folding, or its thickness is changed, in a direction away from the central axis based on the rotating central axis.
  • the first blocking portion 116 and the second blocking portion 118 operate in an organic relationship with the interlocking plate 130 and the driven link 152, which will be described later.
  • the first blocking portion 116 and the second blocking portion 118 will be described in detail again with the interlocking plate 130 and the driven link 152.
  • the lifting plate 120 is provided inside the door 20, but includes a second opening/closing switch 122 protruding toward the front of the door 20.
  • the door 20 is formed with a first guide opening 24 in the form of a long hole opened up and down, and the second opening/closing switch 122 protrudes toward the front of the door 20 through the first guide opening 24. .
  • the second opening/closing switch 122 may be moved by the operator along the first guide opening 24 by hand.
  • the first guide opening 24 is formed in the vertical direction of the door 20, and the second opening/closing switch 122 is positioned at the bottom of the first guide opening 24.
  • the lifting plate 120 coupled to the second opening/closing switch 122 rises in the inner space of the door 20. Then, when the operator releases the second opening and closing switch 122, the lifting plate 120 is lowered by its own weight.
  • the elevating plate 120 may rise to the first position when the first opening/closing unit 110 is in the first state.
  • the operator cannot raise the second opening/closing switch 122 and the lifting plate 120 is fixed at the bottom.
  • the lifting plate 120 cannot be lifted. Setting the first opening/closing unit 110 to the first state is possible by inserting the input member into the key operation unit 112 of the first opening/closing unit 110 and turning it in a predetermined direction.
  • the interlocking plate 130 is provided inside the door 20.
  • the interlocking plate 130 moves depending on the movement of the elevating plate 120.
  • the lifting plate 120 includes an interlocking member 124 extending toward the interlocking plate 130, and the interlocking member 124 passes through the interlocking tool 132 formed on the interlocking plate 130 to be coupled. do. Therefore, when the lifting plate 120 rises, the interlocking member 124 pushes up the interlocking plate 130, so that the interlocking plate 130 also rises. Conversely, when the external force lifting the lifting plate 120 is removed, the interlocking plate 130 descends together with the lifting plate 120.
  • a locking portion 134 is formed at the top of the interlocking plate 130.
  • the locking portion 134 may contact the first blocking portion 116 of the first opening and closing unit 110 described above.
  • the first blocking part 116 is disposed at a position outside the space where the locking part 134 moves up and down together with the rotation of the first rotating shaft 114. .
  • the first blocking portion 116 comes into contact with the upper end of the locking portion 134 with the rotation of the first rotating shaft 114, and the locking portion 134 Prevents it from moving upwards.
  • the locking portion 134 If the locking portion 134 is caught by the first blocking portion 116 and cannot move upward, the interlocking plate 130 formed integrally with the locking portion cannot be moved upward, and the interlocking plate 130 and the interlocking member 124 ), the lifting plate 120 connected through the same is also impossible to move upward.
  • FIGS 4 and 5 show the operating state of the first opening and closing unit in the ground module according to an embodiment of the present invention, Figure 4 shows the second state, Figure 5 shows the first state.
  • the first rotation shaft 114 rotates together.
  • the first blocking portion 116 also rotates, and the first blocking portion 116 and the upper end of the locking portion 134 of the interlocking plate 130 in the second state.
  • the interlocking plate 130 is prevented from moving upward.
  • the lifting plate 120 In the second state, the lifting plate 120 is located in the second position. When the lifting plate 120 is in the second position, the handle insertion hole 22 is blocked. Therefore, in the second state, since the handle manipulation unit 142 is not exposed to the outside, manipulation of the handle manipulation unit 142 is impossible.
  • the first blocking portion 116 is removed from the upper portion of the locking portion 134 so that the interlocking plate 130 and the lifting plate 120 may rise.
  • the lifting plate 120 rises and moves to the first position.
  • the interlocking plate 130 also rises.
  • the handle insertion hole 22 is provided on the door 20 and a handle operation part 142 capable of operating the grounding unit 140 is disposed inside.
  • the interlocking plate 130 is raised by the operator's operation, and the handle inserting hole 22 closed by the interlocking plate 130 is opened. Then, the handle manipulation portion 142 inside the handle insertion hole 22 is exposed.
  • the ground unit 140 may be operated by inserting a tool into the handle manipulation unit 142.
  • the grounding unit 140 performs grounding when the handle manipulation unit 142 is rotated at a predetermined angle.
  • FIG 6 and 7 show the operating state of the ground unit in the ground module according to an embodiment of the present invention.
  • the ground unit 140 further includes a handle manipulation unit 142, and further includes a second rotation shaft 144 that rotates together as the handle manipulation unit 142 is rotated.
  • the second rotation shaft 144 is a cam member 150 and the door opening and closing lever 146 is coupled.
  • the door opening and closing lever 146 is provided so that the door 20 is not opened by interfering with the door 20 in a state in which grounding is not performed through the handle manipulation unit 142.
  • the door 20 can be opened only when the handle manipulation unit 142 is opened in the closed state and then opened by first operating the handle manipulation unit 142.
  • FIG. 8 is a view showing a state of the driven lever ascending according to the rotation of the second rotation shaft in the ground module according to an embodiment of the present invention.
  • one end of the cam member 150 is fixed to the second rotational shaft 144 and the other end is positioned at a predetermined distance from the rotating central axis of the second rotational shaft 144. Therefore, the cam member 150 is rotated with a large radius of rotation of the other end.
  • the driven link 152 is rotatably coupled to the other end of the cam member 150.
  • follower link 152 has a predetermined length, the lower end is combined with the cam member 150 is rotated with the cam member 150.
  • a driven lever 154 is formed at an upper end of the driven link 152, and the driven lever 154 reciprocates in the vertical direction when the cam member 150 rotates.
  • the driven lever 154 when the second rotating shaft 144 rotates through the operation of the handle manipulation unit 142 to become a ground state, the driven lever 154 is located at the bottom dead center, and the ground unit 140 releases ground. When in the state, the driven lever 154 is located at the top dead point.
  • the driven lever 154 When the driven lever 154 is located at the bottom dead center, it is in contact with the second blocking portion 118 of the first rotating shaft 114 described above. The first rotation shaft 114 is not rotated in the state where the second blocking part 118 and the driven lever 154 are in contact, which prevents the operator from rotating the input member inserted into the key operation part 112 in the grounded state. . Therefore, when the grounding unit 140 is in the grounded state, the operator can not only operate the input member inserted into the key manipulation unit 112, but also cannot withdraw the input member from the key manipulation unit 112.
  • the above-described lifting plate 120 may include a second guide 126 that is a long hole formed in the vertical direction. A protrusion fixed to the door 20 or the housing of the second guide opening 126 may be inserted, which allows the lifting plate 120 to move up and down in a vertical direction.
  • the interlocking plate 130 may also include a third guide 136 which is a long hole formed in the vertical direction.
  • the third guide 136 also allows the interlocking plate 130 to be vertically elevated in the vertical direction.
  • At least one of the second guide hole 126 and the third guide hole 136 may be formed, and a plurality of guide holes may be provided.
  • the ground module 100 having the configuration as described above operates the load switch module 10 and the first switch unit 110 with the same input member.
  • the load opening/closing module 10 When the load opening/closing module 10 is in a live state, the operator cannot operate the first opening/closing unit 110 and cannot open the door 20.
  • the door opening and closing lever 146 of the grounding unit 140 is intervened and is not opened. Also, in the grounded state, the input member inserted into the key operation unit 112 cannot be withdrawn.

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

Abstract

Un module de mise à la terre de la présente invention peut comprendre : une porte ; une première unité d'ouverture/fermeture ; une plaque élévatrice ; une plaque de verrouillage ; et une unité de mise à la terre. La première unité d'ouverture/fermeture est disposée sur la porte. De plus, la première unité d'ouverture/fermeture passe d'un premier état à un second état par une entrée externe. La plaque élévatrice est mobile vers une première position lorsque la première unité d'ouverture/fermeture est dans le premier état, et est fixe à une seconde position lorsque la première unité d'ouverture/fermeture est dans le second état. La plaque de verrouillage se déplace en fonction du déplacement de la plaque élévatrice. De plus, l'unité de mise à la terre peut être dans un état de non-fonctionnement lorsque la plaque élévatrice est dans la seconde position, et peut passer à un état de fonctionnement lorsque la plaque élévatrice est dans la première position.
PCT/KR2019/011697 2019-01-17 2019-09-10 Module de mise à la terre de tableau de distribution isolé par l'air WO2020149488A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980088974.0A CN113302809B (zh) 2019-01-17 2019-09-10 空气绝缘配电盘的接地模块

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0006157 2019-01-17
KR1020190006157A KR102137770B1 (ko) 2019-01-17 2019-01-17 기중절연배전반의 접지모듈

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Publication Number Publication Date
WO2020149488A1 true WO2020149488A1 (fr) 2020-07-23

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Application Number Title Priority Date Filing Date
PCT/KR2019/011697 WO2020149488A1 (fr) 2019-01-17 2019-09-10 Module de mise à la terre de tableau de distribution isolé par l'air

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KR (1) KR102137770B1 (fr)
CN (1) CN113302809B (fr)
WO (1) WO2020149488A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003017867A (ja) * 2001-07-02 2003-01-17 Fuji Electric Co Ltd 電気機器盤のドアハンドル装置
KR100913217B1 (ko) * 2009-04-20 2009-08-24 문운하 배전반 도어의 개폐기구
KR101134933B1 (ko) * 2011-02-25 2012-04-17 엘에스산전 주식회사 배전반의 도어 잠금장치
KR20170036935A (ko) * 2015-09-24 2017-04-04 현대중공업 주식회사 배전반의 도어 인터록 장치
KR20180040422A (ko) * 2016-10-12 2018-04-20 엘에스산전 주식회사 링 메인 유닛의 인터록 장치

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Publication number Priority date Publication date Assignee Title
JPH1169517A (ja) * 1997-08-07 1999-03-09 Fuji Electric Co Ltd 電力用閉鎖配電盤
JP4436067B2 (ja) * 2003-04-25 2010-03-24 スガツネ工業株式会社 平面ハンドル装置
CN201608459U (zh) * 2009-11-03 2010-10-13 Abb技术有限公司 空气绝缘开关设备上柜门的联锁装置
CN106024453B (zh) * 2016-06-22 2018-06-26 四川电器集团股份有限公司 一种防止误操作的联锁装置
CN207319958U (zh) * 2017-10-29 2018-05-04 默飓电气有限公司 一种防止没接地状态时开门的联锁机构
CN207602430U (zh) * 2017-12-08 2018-07-10 西门子中压开关技术（无锡）有限公司 开关柜的联锁组件及开关柜
CN208385262U (zh) * 2018-05-24 2019-01-15 厦门华电开关有限公司 高压柜体的联锁装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003017867A (ja) * 2001-07-02 2003-01-17 Fuji Electric Co Ltd 電気機器盤のドアハンドル装置
KR100913217B1 (ko) * 2009-04-20 2009-08-24 문운하 배전반 도어의 개폐기구
KR101134933B1 (ko) * 2011-02-25 2012-04-17 엘에스산전 주식회사 배전반의 도어 잠금장치
KR20170036935A (ko) * 2015-09-24 2017-04-04 현대중공업 주식회사 배전반의 도어 인터록 장치
KR20180040422A (ko) * 2016-10-12 2018-04-20 엘에스산전 주식회사 링 메인 유닛의 인터록 장치

Also Published As

Publication number Publication date
CN113302809B (zh) 2023-09-19
KR102137770B1 (ko) 2020-07-24
CN113302809A (zh) 2021-08-24

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