KR200461872Y1 - Conductor connecting structure for gas insulated switchgear - Google Patents

Conductor connecting structure for gas insulated switchgear Download PDF

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Publication number
KR200461872Y1
KR200461872Y1 KR2020110004725U KR20110004725U KR200461872Y1 KR 200461872 Y1 KR200461872 Y1 KR 200461872Y1 KR 2020110004725 U KR2020110004725 U KR 2020110004725U KR 20110004725 U KR20110004725 U KR 20110004725U KR 200461872 Y1 KR200461872 Y1 KR 200461872Y1
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South Korea
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conductor
insulated switchgear
gas insulated
connection
spacer
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KR2020110004725U
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Korean (ko)
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박기엽
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엘에스산전 주식회사
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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
    • 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
    • H02B13/0358—Connections to in or out conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/025—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

본 고안은 부품구성이 간단하여 조립 생산성이 향상되고 제조원가가 절감될 수 있으며 차폐판을 구성삭제한 가스절연개폐장치용 도체접속 구조를 제공하려는 것으로서, 본 고안에 따라서 가스절연개폐장치용 도체접속 구조에 있어서, 길이방향으로 돌출한 철부(凸部)로 구성된 접속단부를 갖는 제 1 도체; 접속단부를 갖는 제 2 도체; 상기 가스절연개폐장치의 외형을 형성하는 인접한 한 쌍의 금속 외함사이에 설치되어 상기 금속 외함내 절연가스 영역을 구획하는 스페이서(SPACER); 및 상기 제 1 도체의 철부가 삽입되는 요홈부를 일 측면에 구비하고, 제 2 도체와 맞닿게 접속되는 타 측면을 가지며, 상기 스페이서의 중심부에 삽입되어 결합되는 중앙접속도체;를 포함하는 가스절연개폐장치용 도체접속 구조가 개시된다.The present invention aims to provide a conductor connection structure for a gas insulated switchgear with a simple component configuration, which can improve assembly productivity, reduce manufacturing costs, and eliminate the shielding plate. The present invention provides a conductor connection structure for a gas insulated switchgear. A first conductor comprising: a first conductor having a connecting end formed of a convex portion projecting in a longitudinal direction; A second conductor having a connecting end; A spacer (SPACER) disposed between a pair of adjacent metal enclosures forming an outer shape of the gas insulated switchgear to partition an insulating gas region in the metal enclosure; And a central connection conductor having a concave portion into which the convex portion of the first conductor is inserted, and having the other side connected to be in contact with the second conductor, the central connection conductor being inserted into and coupled to the center of the spacer. A conductor connection structure for a device is disclosed.

Description

가스절연개폐장치용 도체접속 구조{CONDUCTOR CONNECTING STRUCTURE FOR GAS INSULATED SWITCHGEAR}CONDUCTOR CONNECTING STRUCTURE FOR GAS INSULATED SWITCHGEAR}

본 고안은 가스절연개폐장치에 관한 것으로서, 특히 가스절연개폐장치에 있어서 도체간 접속을 위한 접속구조의 개량에 관한 것이다.The present invention relates to a gas insulated switchgear, and more particularly, to an improvement in a connection structure for connection between conductors in a gas insulated switchgear.

먼저, 도 1을 참조하여 종래기술에 따른 가스절연개폐장치용 도체접속 구조에 대해서 설명하면 다음과 같다.First, the conductor connection structure for a gas insulated switchgear according to the prior art will be described with reference to FIG. 1.

도 1은 종래기술에 따른 가스절연개폐장치용 도체접속 구조를 보여주는 단면도이다.1 is a cross-sectional view showing a conductor connection structure for a gas insulated switchgear according to the prior art.

도 1에 있어서 부호 1a와 1b는 인접하여 결합되는 한 쌍의 금속 외함(탱크로 통칭됨)을 지시한다. 금속 외함(1a, 1b)의 각각은 서로간 결합을 위해 플랜지(flange)부를 가지는 내부가 비어있고 양 단부측이 개방된 금속관으로 구성되며, 도시된 바와 같이 금속 외함(1a, 1b)의 플랜지부를 맞대어 볼트와 너트를 이용하여 결합하게 된다.In Fig. 1, reference numerals 1a and 1b indicate a pair of metal enclosures (collectively referred to as tanks) which are coupled adjacently. Each of the metal enclosures 1a and 1b is constituted by a metal tube having a hollow inside and open at both end sides thereof with a flange portion for coupling to each other, and the flange portions of the metal enclosures 1a and 1b as shown. Are joined together using bolts and nuts.

금속 외함(1a, 1b)내에는 절연가스가 충진된다.Insulating gas is filled in the metal enclosures 1a and 1b.

금속 외함(1a, 1b)의 결합부 사이에는 통상 전기적 절연재로 구성되는 스페이서(SPACER)(4)가 설치되어 서로 인접하게 결합된 두 금속 외함(1a, 1b)내의 절연가스의 영역을 구획하는 동시에 후술하는 전기적 도체(2a, 2b)를 지지한다. 전기적 도체(2a, 2b)의 지지를 위해서 스페이서(4)는 중심부에 통공부(through hole portion)를 구비한다.Between the coupling portions of the metal enclosures 1a and 1b, spacers 4, which are usually made of an electrical insulation material, are provided to partition the area of insulating gas in the two metal enclosures 1a and 1b which are adjacently coupled to each other. The electrical conductors 2a and 2b described later are supported. In order to support the electrical conductors 2a and 2b, the spacer 4 has a through hole portion in the center thereof.

다음, 종래기술에 있어서 두 인접한 전기적 도체(2a, 2b)를 기계적 및 전기적으로 접속시키는 수단은 다음과 같이 구성된다.Next, in the prior art, the means for mechanically and electrically connecting two adjacent electrical conductors 2a and 2b are configured as follows.

즉, 종래기술에 있어서 두 인접한 전기적 도체(2a, 2b)를 기계적 및 전기적으로 접속시키는 수단은 복수의 핑거 접촉자(finger contactors)(5), 도체 접속단자(7), 중앙접속도체(3)을 포함한다. 도 1에 있어서 부호 6은 전계완화를 위한 차폐판을 지시한다.That is, in the prior art, the means for mechanically and electrically connecting two adjacent electrical conductors 2a, 2b comprises a plurality of finger contactors 5, a conductor connection terminal 7, and a central connection conductor 3; Include. In Fig. 1, reference numeral 6 designates a shielding plate for electric field relaxation.

복수의 핑거 접촉자(5)는 손가락 형상의 금속재 전기적 도체들로 구성되며, 부호 미지정한 원판형의 지지판의 원주면을 따라서 방사형태로 배치되고, 부호 미지정한 환형의 접압스프링에 의해서 상기 원판형의 지지판으로부터 이탈방지되게 지지됨과 동시에 도체 접속단자(7)에 접촉을 유지하도록 탄성접촉력을 부과받는다. 여기서 상기 지지판은 나사에 의해서 제 1 도체(2a)의 돌출 단부에 고정 설치된다.The plurality of finger contacts 5 are composed of finger-shaped metallic electrical conductors, and are arranged radially along the circumferential surface of the unsigned disc-shaped support plate, and the disc-shaped contact springs are formed by an unsigned annular contact spring. An elastic contact force is applied to maintain the contact to the conductor connecting terminal 7 while being supported to prevent the release from the support plate. Here, the support plate is fixed to the protruding end of the first conductor 2a by screws.

복수의 핑거 접촉자(5)의 일 단부들은 상기 환형의 접압스프링에 의해서 중심을 향한 반경방향으로 탄성력을 받으며, 전기적 도체(2a, 2b)중 제 1 도체(2a)의 외주면에 접촉함에 의해 제 1 도체(2a)와 전기적으로 접속된다.One end of the plurality of finger contacts 5 is subjected to an elastic force radially toward the center by the annular contact spring, and is contacted with the outer circumferential surface of the first conductor 2a of the electrical conductors 2a and 2b. It is electrically connected with the conductor 2a.

도체 접속단자(7)는 플랜지(flange)부가 구비된 원통형의 금속재와 같은 전기적 도체로 구성되고 상기 플랜지 부에 체결되는 나사에 의해서 중앙접속도체(3)와 결합될 수 있다. 도체 접속단자(7)는 복수의 핑거 접촉자(5)의 저면에 접촉함에 의해서 복수의 핑거 접촉자(5)와 전기적으로 접속될 수 있다.The conductor connecting terminal 7 is composed of an electrical conductor such as a cylindrical metal material having a flange portion, and can be coupled to the central connecting conductor 3 by a screw fastened to the flange portion. The conductor connecting terminal 7 can be electrically connected to the plurality of finger contacts 5 by contacting the bottom surfaces of the plurality of finger contacts 5.

중앙접속도체(3)는 전기적 도체로 구성되며 스페이서(4)의 중심 통공부에 끼워져 설치된다. 또한, 중앙접속도체(3)는 일측면이 도체 접속단자(7)에 나사 접속되고 타측면이 제 2 도체(2b)에 나사 접속된다.The central connection conductor 3 is composed of an electrical conductor and is fitted into the central through hole of the spacer 4. In addition, the central connection conductor 3 has one side screwed to the conductor connecting terminal 7 and the other side screwed to the second conductor 2b.

이와 같은 구성에 의해서 제 1 도체(2a)를 통해 흐르는 전류가 복수의 핑거 접촉자(5)와 도체 접속단자(7) 및 중앙접속도체(3)를 거쳐서 제 2 도체(2b)로 흐를 수 있게 된다.By such a configuration, the current flowing through the first conductor 2a can flow to the second conductor 2b via the plurality of finger contacts 5, the conductor connecting terminal 7 and the central connecting conductor 3. .

그러나 상술한 바와 같이 구성되고 작용하는 종래기술에 따른 가스절연개폐장치용 도체접속 구조는 복수의 핑거 접촉자(5)와 도체 접속단자(7), 중앙접속도체(3) 및 차폐판(6) 등 다수의 부품들로 구성되어 조립 생산성이 떨어지고 제조원가가 상승하는 문제점이 있으며, 조립시 차폐판(6)과의 접촉에 의해서 차폐판(6)이 손상되는 문제점이 있었다.
However, the conductor connection structure for a gas insulated switchgear according to the prior art constructed and acting as described above includes a plurality of finger contacts 5, a conductor connection terminal 7, a central connection conductor 3, a shield plate 6, and the like. It is composed of a plurality of parts, there is a problem that the assembly productivity is lowered and the manufacturing cost is increased, the shield plate 6 is damaged by contact with the shield plate 6 during assembly.

따라서 본 고안은 상기 종래기술의 문제점을 해소하는 것으로서, 본 고안의 목적은 부품구성이 간단하여 조립 생산성이 향상되고 제조원가가 절감될 수 있으며 차폐판을 구성삭제한 가스절연개폐장치용 도체접속 구조를 제공하는 것이다.Therefore, the present invention is to solve the problems of the prior art, the object of the present invention is to simplify the configuration of the components, the assembly productivity can be improved, the manufacturing cost can be reduced, and the conductor connection structure for the gas insulated switchgear configuration eliminating the shield plate To provide.

상기 본 고안의 목적은, 가스절연개폐장치용 도체접속 구조에 있어서,The object of the present invention, in the conductor connection structure for gas insulated switchgear,

길이방향으로 돌출한 철부(凸部)로 구성된 접속단부를 갖는 제 1 도체;A first conductor having a connecting end composed of a convex portion projecting in the longitudinal direction;

접속단부를 갖는 제 2 도체;A second conductor having a connecting end;

상기 가스절연개폐장치의 외형을 형성하는 인접한 한 쌍의 금속 외함사이에 설치되어 상기 금속 외함내 절연가스 영역을 구획하는 스페이서(SPACER); 및A spacer (SPACER) disposed between a pair of adjacent metal enclosures forming an outer shape of the gas insulated switchgear to partition an insulating gas region in the metal enclosure; And

상기 제 1 도체의 철부가 삽입되는 요홈부를 일 측면에 구비하고, 제 2 도체와 맞닿게 접속되는 타 측면을 가지며, 상기 스페이서의 중심부에 삽입되어 결합되는 중앙접속도체;를 포함하는 본 고안에 따른 가스절연개폐장치용 도체접속 구조를 제공함으로써 달성될 수 있다.
According to the present invention includes; a central connection conductor having a concave portion in which the convex portion of the first conductor is inserted, the other side is in contact with the second conductor, is inserted into the center of the spacer and coupled; It can be achieved by providing a conductor connecting structure for a gas insulated switchgear.

본 고안에 따른 가스절연개폐장치용 도체접속 구조는 제 1 도체의 철부가 삽입되는 요홈부를 일 측면에 구비하고, 제 2 도체와 맞닿게 접속되는 타 측면을 가지며, 스페이서의 중심부에 삽입되어 결합되는 중앙접속도체를 포함하여 구성되므로, 간단한 구성으로 가스절연개폐장치에 있어서 제 1 도체와 제 2 도체를 접속할 수 있고 따라서 제조 생산성이 향상되고 제조원가도 절감될 수 있는 효과가 있다.The conductor connection structure for the gas insulated switchgear according to the present invention has a recessed portion in which one side of the first conductor is inserted, and has the other side connected to abut the second conductor, and is inserted into and coupled to the center of the spacer. Since the central connection conductor is included, the first conductor and the second conductor can be connected to each other in the gas insulated switchgear with a simple configuration, thereby improving the manufacturing productivity and reducing the manufacturing cost.

본 고안에 따른 가스절연개폐장치용 도체접속 구조는, 상기 중앙접속도체의 요홈부에 고정되어, 상기 요홈부에 삽입되는 제 1 도체의 접속단부에 접촉하는 도체 스프링을 더 포함하므로, 제 1 도체와의 전기적 접촉유지력이 안정적으로 제공되는 효과를 얻을 수 있다.The conductor connecting structure for the gas insulated switchgear according to the present invention further includes a conductor spring fixed to the recessed portion of the central connecting conductor and contacting the connecting end of the first conductor inserted into the recessed portion. It is possible to obtain the effect that the electrical contact holding force with and stable.

본 고안에 따른 가스절연개폐장치용 도체접속 구조에 있어서, 상기 중앙접속도체는, 상기 요홈부의 내주면(inner circumferential surface)을 따라서 상기 도체 스프링이 끼워지는 오목홈부를 구비하므로, 해당 오목홈부에 도체 스프링을 압입하여 보유할 수 있는 효과를 얻을 수 있다.In the conductor connection structure for a gas insulated switchgear according to the present invention, the center connection conductor has a concave groove portion into which the conductor spring is fitted along an inner circumferential surface of the groove portion, so that the conductor spring portion is provided in the concave groove portion. It can be obtained by injecting to hold.

본 고안에 따른 가스절연개폐장치용 도체접속 구조에 있어서, 상기 도체 스프링은 환형 스프링이므로, 상기 요홈부에 삽입되는 제 1 도체의 접속단부에 고르게 접촉하여 넓은 통전면적을 가질 수 있는 효과가 있다.In the conductor connection structure for a gas insulated switchgear according to the present invention, since the conductor spring is an annular spring, there is an effect that it can have a wide conduction area by evenly contacting the connection end of the first conductor inserted into the groove.

본 고안에 따른 가스절연개폐장치용 도체접속 구조는 중앙접속도체에 결합되어 제 1 도체의 철부에 접촉하는 복수의 핑거 접촉자들을 포함하므로, 중앙접속도체에 결합된 복수의 핑거 접촉자에 의해서 제 1 도체와 중앙접속도체를 전기적으로 접속할 수 있는 효과가 있다.The conductor connection structure for the gas insulated switchgear according to the present invention includes a plurality of finger contacts coupled to the central connection conductor and contacting the convex portions of the first conductor, and thus the first conductor is connected by the plurality of finger contacts coupled to the central connection conductor. There is an effect that can be electrically connected to the central connection conductor.

본 고안에 따른 가스절연개폐장치용 도체접속 구조는, 중앙접속도체의 요홈부내에 고정되어, 핑거 접촉자들을 외주면에 끼워 지지하는 원형의 지지판을 더 포함하므로, 복수의 핑거 접촉자들을 중앙접속도체의 요홈부내에서 안정되게 지지할 수 있는 효과를 얻을 수 있다. The conductor connecting structure for the gas insulated switchgear according to the present invention further includes a circular support plate which is fixed in the recess of the center connecting conductor and supports the finger contacts on the outer circumferential surface, so that the plurality of finger contacts are recessed in the center connecting conductor. The effect which can support stably in the department can be obtained.

본 고안에 따른 가스절연개폐장치용 도체접속 구조는, 복수의 핑거 접촉자들의 상면에 설치되어, 복수의 핑거 접촉자들에 중심을 향한 반경방향으로 탄성력을 부과하는 적어도 하나의 환형 접압스프링을 더 포함하므로, 복수의 핑거 접촉자들이 제 1 도체와 접압스프링의 탄성력에 의해 고르게 접촉하여 넓은 통전면적을 가질 수 있는 효과가 있다.
The conductor connection structure for the gas insulated switchgear according to the present invention further includes at least one annular contact spring which is installed on the upper surface of the plurality of finger contacts and imparts elastic force in the radial direction toward the center of the plurality of finger contacts. In addition, there is an effect that the plurality of finger contacts evenly contact the first conductor by the elastic force of the contact spring to have a large conduction area.

도 1은 종래기술에 따른 가스절연개폐장치용 도체접속 구조를 보여주는 단면도이고,
도 2는 본 고안의 바람직한 제 1 실시 예에 따른 가스절연개폐장치용 도체접속 구조를 보여주는 단면도와 원내는 도체간 접속부위의 확대도이며,
도 3은 본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조를 보여주는 단면도이다.1 is a cross-sectional view showing a conductor connection structure for a gas insulated switchgear according to the prior art,
2 is a cross-sectional view showing a conductor connection structure for a gas insulated switchgear according to a first embodiment of the present invention and an enlarged view of a connection portion between conductors in a chamber;
3 is a cross-sectional view showing a conductor connection structure for a gas insulated switchgear according to a second embodiment of the present invention.

상술한 본 고안의 목적과 이를 달성하는 본 고안의 구성 및 그의 작용효과는 첨부한 도면을 참조한 본 고안의 바람직한 실시예에 대한 이하의 설명에 의해서 좀 더 명확히 이해될 수 있을 것이다.The object of the present invention and the constitution and effect of the present invention to achieve the same will be more clearly understood by the following description of the preferred embodiment of the present invention with reference to the accompanying drawings.

도 2는 본 고안의 바람직한 제 1 실시 예에 따른 가스절연개폐장치용 도체접속 구조를 보여주는 단면도와 원내는 도체간 접속부위의 확대도이며, 도 3은 본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조를 보여주는 단면도이다.2 is a cross-sectional view showing a conductor connection structure for a gas insulated switchgear according to a first embodiment of the present invention, and an enlarged view of a connection portion between conductors, and FIG. 3 is a gas according to a second embodiment of the present invention. Sectional drawing showing the conductor connection structure for the insulation switchgear.

도 2 내지 도 3을 참조하여 본 고안의 바람직한 실시예에 따른 가스절연개폐장치용 도체접속 구조의 구성과 작용을 설명한다.With reference to Figures 2 to 3 will be described the configuration and operation of the conductor connection structure for the gas insulated switchgear according to a preferred embodiment of the present invention.

도 2 내지 도 3에 있어서 종래기술과 비교가 용이하도록 종래기술과 동일 또는 대등한 기능부분은 종래기술의 도면과 같은 부호를 사용하여 지시하였음을 밝혀둔다.2 to 3, the same or equivalent functional parts as those of the prior art are indicated by using the same reference numerals as those of the prior art so as to facilitate comparison with the prior art.

먼저 도 2를 참조하여 본 고안의 바람직한 제 1 실시 예에 따른 가스절연개폐장치용 도체접속 구조의 구성과 작용을 설명한다.First, the configuration and operation of the conductor connection structure for the gas insulated switchgear according to the first embodiment of the present invention will be described with reference to FIG. 2.

도 2에 있어서 부호 1a와 1b는 종래기술과 마찬가지로 인접하여 결합되는 한 쌍의 금속 외함(탱크로 통칭됨)을 지시한다. 금속 외함(1a, 1b)의 각각은 서로간 결합을 위해 플랜지(flange)부를 가지는 내부가 비어있고 양 단부측이 개방된 금속관으로 구성되며, 도시된 바와 같이 금속 외함(1a, 1b)의 플랜지부를 맞대어 볼트와 너트를 이용하여 결합하게 된다.In Fig. 2, reference numerals 1a and 1b indicate a pair of metal enclosures (collectively referred to as tanks) which are adjacently coupled as in the prior art. Each of the metal enclosures 1a and 1b is constituted by a metal tube having a hollow inside and open at both end sides thereof with a flange portion for coupling to each other, and the flange portions of the metal enclosures 1a and 1b as shown. Are joined together using bolts and nuts.

금속 외함(1a, 1b)내에는 절연가스가 충진된다.Insulating gas is filled in the metal enclosures 1a and 1b.

본 고안의 바람직한 실시예에 따른 가스절연개폐장치용 도체접속 구조는 전기적 도체(2a, 2b)와, 스페이서(4)와, 중앙접속도체(30)를 포함하여 구성된다.A conductor connection structure for a gas insulated switchgear according to a preferred embodiment of the present invention includes an electrical conductor (2a, 2b), a spacer (4), and a central connection conductor (30).

전기적 도체(2a, 2b)는 길이방향으로 돌출한 철부(凸部)(2a1)로 구성된 접속단부를 갖는 제 1 도체(2a)와, 접속단부(2b1)를 갖는 제 2 도체(2b)를 포함한다.The electrical conductors 2a and 2b include a first conductor 2a having a connecting end composed of convex portions 2a1 protruding in the longitudinal direction, and a second conductor 2b having a connecting end 2b1. do.

스페이서(4)는 통상 전기적 절연재로 구성되며 가스절연개폐장치의 외형을 형성하는 인접한 한 쌍의 금속 외함(1a, 1b)의 결합부 사이에 설치되어 금속 외함(1a, 1b)내 절연가스 영역을 구획하는 동시에 후술하는 전기적 도체(2a, 2b)를 지지한다. 전기적 도체(2a, 2b)의 지지를 위해서 스페이서(4)는 중심부에 통공부(through hole portion)(부호 미부여)를 구비한다.The spacer 4 is usually composed of an electrically insulating material and is installed between the coupling portions of a pair of adjacent metal enclosures 1a and 1b that form the outline of the gas insulated switchgear to form an insulating gas region in the metal enclosures 1a and 1b. At the same time, the electrical conductors 2a and 2b described later are supported. In order to support the electrical conductors 2a and 2b, the spacer 4 has a through hole portion (unsigned) in the center portion.

중앙접속도체(30)는 제 1 도체(2a)의 철부(2a1)가 삽입되는 요홈부(30a)를 일 측면에 구비하고, 제 2 도체(2b)와 맞닿게 접속되는 타 측면(30d)을 가진다. 중앙접속도체(30)는 스페이서(4)의 중심부에 삽입(압입)되어 스페이서(4)와 결합된다. The central connection conductor 30 has a groove portion 30a in which one side of the convex portion 2a1 of the first conductor 2a is inserted, and the other side surface 30d which is in contact with the second conductor 2b. Have The central connection conductor 30 is inserted (pressed) in the center of the spacer 4 to be coupled to the spacer 4.

본 고안의 바람직한 실시예에 따른 가스절연개폐장치용 도체접속 구조는 중앙접속도체(30)의 요홈부(30a)에 고정되고, 요홈부(30a)에 삽입되는 제 1 도체(2a)의 접속단부에 접촉하는 도체 스프링(40)을 더 포함한다. 바람직하게 도체 스프링은 환형 스프링으로 구성된다.The conductor connection structure for the gas insulated switchgear according to the preferred embodiment of the present invention is fixed to the groove portion 30a of the central connection conductor 30, and the connection end portion of the first conductor 2a inserted into the groove portion 30a. It further comprises a conductor spring 40 in contact with the. Preferably the conductor spring consists of an annular spring.

중앙접속도체(30)는, 요홈부(30a)의 내주면(inner circumferential surface)(30b)을 따라서 도체 스프링(40)이 끼워지는 오목홈부(30c)를 구비한다.The center connection conductor 30 has a concave groove portion 30c into which the conductor spring 40 is fitted along an inner circumferential surface 30b of the groove portion 30a.

상술한 바와 같이 구성되는 본 고안의 바람직한 제 1 실시 예에 따른 가스절연개폐장치용 도체접속 구조에 의해서 인접한 한 쌍의 도체를 접속하는 동작을 설명한다.An operation of connecting a pair of adjacent conductors by a conductor connecting structure for a gas insulated switchgear according to the first embodiment of the present invention, which is configured as described above, will be described.

먼저, 중앙접속도체(30)의 요홈부(30a)내 오목홈부(30c)에 도체 스프링(40)을 끼워 조립함으로써 중앙접속도체(30)와 도체 스프링(40)의 조립체를 얻는다.First, the assembly of the center connecting conductor 30 and the conductor spring 40 is obtained by fitting the conductor spring 40 into the concave groove 30c in the recess 30a of the center connecting conductor 30.

다음, 스페이서(4)의 중심부에 형성된 상기 통공부에 중앙접속도체(30)와 도체 스프링(40)의 조립체를 압입하여 조립한다.Next, the assembly of the center connection conductor 30 and the conductor spring 40 is press-fitted to the through hole formed at the center of the spacer 4.

다음, 중앙접속도체(30)의 타 측면(30d)에 제 2 도체(2b)를 맞닿게 접촉한 후, 나사에 의해서 중앙접속도체(30)의 타 측면(30d)에 제 2 도체(2b)를 체결하여 결합한다.Next, the second conductor 2b is brought into contact with the other side 30d of the center connection conductor 30, and then the second conductor 2b is connected to the other side 30d of the center connection conductor 30 by a screw. Fasten by joining.

다음, 중앙접속도체(30)의 요홈부(30a)에 제 1 도체(2a)의 철부(2a1)를 삽입하면, 요홈부(30a)내의 도체 스프링(40)이 철부(2a1)의 표면에 탄성접촉하면서 인접한 한 쌍의 도체를 접속하는 동작이 완료된다.Next, when the concave portion 2a1 of the first conductor 2a is inserted into the concave portion 30a of the central connection conductor 30, the conductor spring 40 in the concave portion 30a is elastic to the surface of the concave portion 2a1. The operation of connecting adjacent pairs of conductors while contacting is completed.

이와 같이 접속 완료된 상태에서, 제 1 도체(2a)에 전류를 흘리면, 해당 전류는 도체 스프링(40)과 중앙접속도체(30)를 경유하여 제 2 도체(2b)로 흐르게 된다.When the current flows through the first conductor 2a in the state where the connection is completed as described above, the current flows to the second conductor 2b via the conductor spring 40 and the central connection conductor 30.

한편, 도 3을 참조하여 본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조의 구성과 작용을 설명한다.On the other hand, with reference to Figure 3 will be described the configuration and operation of the conductor connection structure for the gas insulated switchgear according to the second embodiment of the present invention.

도 3에 도시한 본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조는 제 1 실시예와 같은 구성과 작용을 갖는 전기적 도체(2a, 2b) 및 스페이서(4)외에 본 고안의 제 2 실시 예의 특징적 구성에 따른 복수의 핑거 접촉자(finger contactors)(50)와, 해당 핑거 접촉자(50)의 구성에 대응하는 구성을 가진 중앙접속도체(300)를 포함하게 구성된다.The conductor connection structure for the gas insulated switchgear according to the second preferred embodiment of the present invention shown in FIG. 3 is the present invention in addition to the electrical conductors 2a and 2b and the spacer 4 having the same configuration and function as those of the first embodiment. And a plurality of finger contactors 50 according to the characteristic configuration of the second embodiment of the present invention, and a central connection conductor 300 having a configuration corresponding to that of the finger contact 50.

전기적 도체(2a, 2b)는 제 1 실시예와 마찬가지로 길이방향으로 돌출한 철부(2a1)로 구성된 접속단부를 갖는 제 1 도체(2a)와, 접속단부(2b1)를 갖는 제 2 도체(2b)를 포함한다.The electrical conductors 2a and 2b have a first conductor 2a having a connection end composed of convex portions 2a1 protruding in the longitudinal direction as in the first embodiment, and a second conductor 2b having a connection end 2b1. It includes.

복수의 핑거 접촉자(50)는 중앙접속도체(300)에 결합되어 제 1 도체(2a)의 철부(2a1)에 접촉한다. 각각의 핑거 접촉자(50)는 손가락 형상의 금속재 전기적 도체로 구성되며, 상면에 후술하는 환형 접압스프링(51)을 끼울 수 있는 스프링 삽입 홈부를 적어도 하나 구비하고 하면에 후술하는 지지판(53)을 끼울수 있는 지지 홈부를 갖는다.The plurality of finger contacts 50 are coupled to the central connection conductor 300 to contact the convex portions 2a1 of the first conductor 2a. Each finger contact 50 is composed of a finger-shaped metal electrical conductor, and has at least one spring insertion groove for fitting an annular contact spring 51 to be described later on an upper surface thereof, and a support plate 53 to be described later on the lower surface thereof. It has a support groove that can be.

중앙접속도체(300)는 일 측면에 요홈부(300a)를 구비하며, 요홈부(300a)의 내부 중심부에는 중심 돌출부(300b)를 구비한다. 복수의 핑거 접촉자(50)의 후부위는 중앙접속도체(300)의 중심 돌출부(300b)에 접촉한다.The central connection conductor 300 has a recess 300a at one side thereof, and a central protrusion 300b at an inner center of the recess 300a. The rear portion of the plurality of finger contacts 50 contacts the central protrusion 300b of the central connection conductor 300.

본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조는 중앙접속도체(300)의 요홈부(300b)내에 고정되어, 핑거 접촉자(50)들을 외주면에 끼워 지지하는 원형의 지지판(53)을 더 포함한다. 고정 나사(52)를 관통하여 중앙접속도체(300)의 중심 돌출부(300a)에 체결함에 의해서, 해당 지지판(53)은 중앙접속도체(300)의 요홈부(300a)내 중심 돌출부(300b)상에 고정 설치된다.The conductor connection structure for the gas insulated switchgear according to the second embodiment of the present invention is fixed in the recess 300b of the central connection conductor 300 to support the finger contacts 50 on the outer circumferential surface thereof. 53) is further included. By passing through the set screw 52 and fastening to the central projection 300a of the central connection conductor 300, the supporting plate 53 is formed on the central projection 300b in the recess 300a of the central connection conductor 300. It is fixed to the installation.

본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조는 적어도 하나의 환형 접압스프링(ring shaped contact spring)(51)을 더 포함한다. 본 고안의 바람직한 실시예에 따라서 환형 접압스프링(51)은 4개가 설치되었다. 환형 접압스프링(51)은 복수의 핑거 접촉자(50)들의 상면에 설치되어, 복수의 핑거 접촉자(50)들에 중심을 향한 반경방향으로 탄성력을 부과한다. The conductor connection structure for the gas insulated switchgear according to the second embodiment of the present invention further includes at least one ring shaped contact spring (51). According to a preferred embodiment of the present invention, four annular contact springs 51 are installed. The annular contact spring 51 is installed on the upper surface of the plurality of finger contacts 50 to impart an elastic force in the radial direction toward the center of the plurality of finger contacts 50.

상술한 바와 같이 구성되는 본 고안의 바람직한 제 2 실시 예에 따른 가스절연개폐장치용 도체접속 구조에 의해서 인접한 한 쌍의 도체를 접속하는 동작을 설명한다.An operation of connecting a pair of adjacent conductors by a conductor connection structure for a gas insulated switchgear according to a second preferred embodiment of the present invention configured as described above will be described.

먼저, 지지판(53)의 외주면에 복수의 핑거 접촉자(50)들을 끼우고, 환형 접압스프링(51)들을 복수의 핑거 접촉자(50)상에 장착하여 지지판(53), 복수의 핑거 접촉자(50) 및 환형 접압스프링(51)의 조립체를 형성한다.First, the plurality of finger contacts 50 are inserted into the outer circumferential surface of the support plate 53, and the annular contact springs 51 are mounted on the plurality of finger contacts 50 to support the support plate 53 and the plurality of finger contacts 50. And an assembly of the annular pressure spring 51.

다음, 중앙접속도체(300)의 요홈부(300a)내 중심 돌출부(300b)에 고정 나사 (52)에 의해 원형의 지지판(53)을 체결하여 조립함으로써 중앙접속도체(300)와 지지판(53), 복수의 핑거 접촉자(50) 및 환형 접압스프링(51)의 조립체를 얻는다.Next, the center connection conductor 300 and the support plate 53 are assembled by fastening and assembling the circular support plate 53 by the fixing screw 52 to the central protrusion 300b in the recess 300a of the center connection conductor 300. , An assembly of the plurality of finger contacts 50 and the annular contact spring 51 is obtained.

다음, 스페이서(4)의 중심부에 형성된 상기 통공부에 중앙접속도체(300)와 지지판(53)과 복수의 핑거 접촉자(50)들과 환형 접압스프링(51)의 조립체를 압입하여 조립한다.Next, the assembly of the central connection conductor 300, the support plate 53, the plurality of finger contactors 50, and the annular contact spring 51 is assembled to the through hole formed at the center of the spacer 4.

다음, 중앙접속도체(300)의 타 측면(300d)에 제 2 도체(2b)를 맞닿게 접촉한 후, 나사에 의해서 중앙접속도체(300)의 타 측면(300d)에 제 2 도체(2b)를 체결하여 결합한다.Next, the second conductor 2b is brought into contact with the other side 300d of the central connection conductor 300, and then the second conductor 2b is connected to the other side 300d of the central connection conductor 300 by a screw. Fasten by joining.

다음, 중앙접속도체(300)의 복수의 핑거 접촉자(50)들내에 제 1 도체(2a)의 철부(2a1)를 삽입하면, 요홈부(300a)내의 도체 스프링(40)의 저면이 철부(2a1)의 표면에 탄성접촉하면서 인접한 한 쌍의 도체를 접속하는 동작이 완료된다.Next, when the convex portion 2a1 of the first conductor 2a is inserted into the plurality of finger contacts 50 of the central connection conductor 300, the bottom surface of the conductor spring 40 in the recess 300a is convex portion 2a1. The operation of connecting a pair of adjacent conductors while elastically contacting the surface of the c) is completed.

이와 같이 접속 완료된 상태에서, 제 1 도체(2a)에 전류를 흘리면, 해당 전류는 복수의 핑거 접촉자(50)와 중앙접속도체(300)를 경유하여 제 2 도체(2b)로 흐르게 된다.
When the current flows through the first conductor 2a in the state where the connection is completed in this manner, the current flows to the second conductor 2b via the plurality of finger contacts 50 and the central connection conductor 300.

1a, 1b: 금속 외함
2a: 제 1 도체 2a1: 철부
2b: 제 2 도체 2b1: 접속단부
3: 중앙접속도체 4: 스페이서(SPACER)
5: 핑거 접촉자(finger contactors) 6: 차폐판
7: 도체 접속단자 30: 중앙접속도체
30a: 요홈부 30b: 내주면
30c: 오목홈부 30d: 타 측면
40: 도체 스프링 50: 핑거 접촉자
51: 환형 접압스프링 52: 고정나사
53: 지지판 300: 중앙접속도체
300a: 요홈부 300b: 중심 돌출부
300d: 타 측면1a, 1b: metal enclosure
2a: first conductor 2a1: convex
2b: 2nd conductor 2b1: connection end part
3: center connection conductor 4: spacer
5: finger contactors 6: shielding plate
7: conductor connection terminal 30: center connection conductor
30a: groove 30b: inner peripheral surface
30c: concave groove 30d: other side
40: conductor spring 50: finger contact
51: annular pressure spring 52: set screw
53: support plate 300: center connection conductor
300a: groove 300b: center protrusion
300d: other side

Claims (7)

가스절연개폐장치용 도체접속 구조에 있어서,
길이방향으로 돌출한 철부(凸部)로 구성된 접속단부를 갖는 제 1 도체;
접속단부를 갖는 제 2 도체;
상기 가스절연개폐장치의 외형을 형성하는 인접한 한 쌍의 금속 외함사이에 설치되어 상기 금속 외함내 절연가스 영역을 구획하는 스페이서(SPACER);
상기 제 1 도체의 철부가 삽입되는 요홈부를 일 측면에 구비하고, 제 2 도체와 맞닿게 접속되는 타 측면을 가지며, 상기 스페이서의 중심부에 삽입되어 결합되는 중앙접속도체;
상기 중앙접속도체에 결합되어 상기 제 1 도체의 철부에 접촉하는 복수의 핑거 접촉자들; 및
상기 복수의 핑거 접촉자들의 상면에 설치되어, 상기 복수의 핑거 접촉자들에 중심을 향한 반경방향으로 탄성력을 부과하는 적어도 하나의 환형 접압스프링;
을 포함하는 가스절연개폐장치용 도체접속 구조.In the conductor connection structure for the gas insulated switchgear,
A first conductor having a connecting end composed of a convex portion projecting in the longitudinal direction;
A second conductor having a connecting end;
A spacer (SPACER) disposed between a pair of adjacent metal enclosures forming an outer shape of the gas insulated switchgear to partition an insulating gas region in the metal enclosure;
A central connection conductor having a concave portion into which the convex portion of the first conductor is inserted, and having the other side connected to be in contact with the second conductor, and inserted into and coupled to the center of the spacer;
A plurality of finger contacts coupled to the central connection conductor to contact the convex portion of the first conductor; And
At least one annular contact spring installed on an upper surface of the plurality of finger contacts to impart an elastic force in a radial direction toward the center of the plurality of finger contacts;
Conductor connection structure for a gas insulated switchgear comprising a. 제1항에 있어서,
상기 중앙접속도체의 요홈부에 고정되고, 상기 요홈부에 삽입되는 제 1 도체의 접속단부에 접촉하는 도체 스프링을 더 포함하는 것을 특징으로 하는 가스절연개폐장치용 도체접속 구조.The method of claim 1,
And a conductor spring fixed to the recessed portion of the central connecting conductor and contacting the connecting end of the first conductor inserted into the recessed portion. 제2항에 있어서,
상기 중앙접속도체는,
상기 요홈부의 내주면(inner circumferential surface)을 따라서 상기 도체 스프링이 끼워지는 오목홈부를 구비하는 것을 특징으로 하는 가스절연개폐장치용 도체접속 구조.The method of claim 2,
The central connection conductor,
And a concave groove portion into which the conductor spring is fitted along an inner circumferential surface of the groove portion. 제2항에 있어서,
상기 도체 스프링은 환형 스프링인 것을 특징으로 하는 가스절연개폐장치용 도체접속 구조.The method of claim 2,
The conductor spring is a conductor connection structure for the gas insulated switchgear, characterized in that the annular spring. 삭제delete 제1항에 있어서,
상기 중앙접속도체의 요홈부내에 고정되어, 상기 핑거 접촉자들을 외주면에 끼워 지지하는 원형의 지지판을 더 포함하는 것을 특징으로 하는 가스절연개폐장치용 도체접속 구조. The method of claim 1,
And a circular support plate which is fixed in the recess of the central connection conductor and supports the finger contacts on an outer circumferential surface of the center connection conductor. 삭제delete
KR2020110004725U 2011-05-30 2011-05-30 Conductor connecting structure for gas insulated switchgear KR200461872Y1 (en)

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WO2019164114A1 (en) * 2018-02-23 2019-08-29 엘에스산전 주식회사 Switchboard using bushing type current transformer applied thereto

Citations (2)

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Publication number Priority date Publication date Assignee Title
JPH11122734A (en) 1997-10-14 1999-04-30 Toshiba Corp Sealed gas insulated apparatus
JP2005176536A (en) 2003-12-12 2005-06-30 Japan Ae Power Systems Corp Gas-insulated switching device

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Publication number Priority date Publication date Assignee Title
JPH11122734A (en) 1997-10-14 1999-04-30 Toshiba Corp Sealed gas insulated apparatus
JP2005176536A (en) 2003-12-12 2005-06-30 Japan Ae Power Systems Corp Gas-insulated switching device

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Publication number Priority date Publication date Assignee Title
WO2019164114A1 (en) * 2018-02-23 2019-08-29 엘에스산전 주식회사 Switchboard using bushing type current transformer applied thereto
CN111602306A (en) * 2018-02-23 2020-08-28 Ls电气株式会社 Distribution board adopting sleeve type converter
CN111602306B (en) * 2018-02-23 2022-06-21 Ls电气株式会社 Distribution board adopting sleeve type converter
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